TQt4 convert kdesdk

This enables compilation under both Qt3 and Qt4


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdesdk@1236185 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

74 files changed, 1258 insertions, 1249 deletions

diff --git a/kcachegrind/converters/hotshot2calltree b/kcachegrind/converters/hotshot2calltree
index 4eb8f7de..e5c886a2 100644
--- a/kcachegrind/converters/hotshot2calltree
+++ b/kcachegrind/converters/hotshot2calltree
@@ -136,7 +136,7 @@ def return_from_call(caller_stack, call_dict, cost_now):
     call_dict[called[0]] = per_file_dict
 
 
-def updateStatus(filecount):
+def updatetqStatus(filecount):
     sys.stdout.write("reading File #%d    \r" % filecount)
     sys.stdout.flush()
 def convertProfFiles(output, inputfilenames):
@@ -153,7 +153,7 @@ def convertProfFiles(output, inputfilenames):
     filecount = 1
     number_of_files = len(inputfilenames)
     for inputfilename in inputfilenames:
-        updateStatus(filecount)
+        updatetqStatus(filecount)
         cost, filecount = convertHandleFilename(inputfilename, caller_stack, call_dict, cost_per_pos, cost_per_function, filecount)
         total_cost += cost
         if (file_limit > 0) and (filecount > file_limit):
@@ -164,7 +164,7 @@ def convertProfFiles(output, inputfilenames):
     dumpResults(output, call_dict, total_cost, cost_per_pos, cost_per_function)
 
 def convertHandleFilename(inputfilename, caller_stack, call_dict, cost_per_pos, cost_per_function, filecount):
-    updateStatus(filecount)
+    updatetqStatus(filecount)
     if not ((file_limit > 0) and (filecount > file_limit)):
         if os.path.isdir(inputfilename):
             cost, filecount = convertProfDir(inputfilename, caller_stack, call_dict, cost_per_pos, cost_per_function, filecount)
diff --git a/kcachegrind/converters/memprof2calltree b/kcachegrind/converters/memprof2calltree
index e82d6e85..a04eaa38 100755
--- a/kcachegrind/converters/memprof2calltree
+++ b/kcachegrind/converters/memprof2calltree
@@ -13,8 +13,8 @@ while(<>) {
     print "\nfn=$1\n";
     next;
   }
-  if (/^  children:/) {
-    $next = 1; #children
+  if (/^  tqchildren:/) {
+    $next = 1; #tqchildren
     next;
   }
   if (/^  inherited:/) {
diff --git a/kcachegrind/kcachegrind.spec.in b/kcachegrind/kcachegrind.spec.in
index 060dd28e..5c786a47 100644
--- a/kcachegrind/kcachegrind.spec.in
+++ b/kcachegrind/kcachegrind.spec.in
@@ -42,9 +42,9 @@ make -j$numprocs
 make install-strip DESTDIR=$RPM_BUILD_ROOT
 
 cd $RPM_BUILD_ROOT
-find . -type d | sed '1,2d;s,^\.,\%attr(-\,root\,root) \%dir ,' > $RPM_BUILD_DIR/file.list.kcachegrind
-find . -type f | sed 's,^\.,\%attr(-\,root\,root) ,' >> $RPM_BUILD_DIR/file.list.kcachegrind
-find . -type l | sed 's,^\.,\%attr(-\,root\,root) ,' >> $RPM_BUILD_DIR/file.list.kcachegrind
+tqfind . -type d | sed '1,2d;s,^\.,\%attr(-\,root\,root) \%dir ,' > $RPM_BUILD_DIR/file.list.kcachegrind
+tqfind . -type f | sed 's,^\.,\%attr(-\,root\,root) ,' >> $RPM_BUILD_DIR/file.list.kcachegrind
+tqfind . -type l | sed 's,^\.,\%attr(-\,root\,root) ,' >> $RPM_BUILD_DIR/file.list.kcachegrind
 
 %clean
 rm -rf $RPM_BUILD_ROOT/*
diff --git a/kcachegrind/kcachegrind/cachegrindloader.cpp b/kcachegrind/kcachegrind/cachegrindloader.cpp
index 0a146de0..41bfa89e 100644
--- a/kcachegrind/kcachegrind/cachegrindloader.cpp
+++ b/kcachegrind/kcachegrind/cachegrindloader.cpp
@@ -149,7 +149,7 @@ bool CachegrindLoader::canLoadTrace(TQFile* file)
 
   if (!file->isOpen()) {
     if (!file->open( IO_ReadOnly ) ) {
-      kdDebug() << TQFile::encodeName(_filename) << ": "
+      kdDebug() << TQFile::encodeName(_filename).data() << ": "
 		<< strerror( errno ) << endl;
       return false;
     }
@@ -167,7 +167,7 @@ bool CachegrindLoader::canLoadTrace(TQFile* file)
 
   TQCString s;
   s.setRawData(buf, read+1);
-  int pos = s.find("events:");
+  int pos = s.tqfind("events:");
   if (pos>0 && buf[pos-1] != '\n') pos = -1;
   s.resetRawData(buf, read+1);
   return (pos>=0);
@@ -181,8 +181,8 @@ bool CachegrindLoader::loadTrace(TracePart* p)
   CachegrindLoader l;
 
   /* emit progress signals via the singleton loader */
-  connect(&l, TQT_SIGNAL(updateStatus(TQString, int)),
-	  this, TQT_SIGNAL(updateStatus(TQString, int)));
+  connect(&l, TQT_SIGNAL(updatetqStatus(TQString, int)),
+	  this, TQT_SIGNAL(updatetqStatus(TQString, int)));
 
   return l.loadTraceInternal(p);
 }
@@ -346,7 +346,7 @@ TraceObject* CachegrindLoader::compressedObject(const TQString& name)
   if ((name[0] != '(') || !name[1].isDigit()) return _data->object(checkUnknown(name));
 
   // compressed format using _objectVector
-  int p = name.find(')');
+  int p = name.tqfind(')');
   if (p<2) {
       kdError() << _filename << ":" << _lineNo
 		<< " - Invalid compressed ELF object ('" 
@@ -400,7 +400,7 @@ TraceFile* CachegrindLoader::compressedFile(const TQString& name)
   if ((name[0] != '(') || !name[1].isDigit()) return _data->file(checkUnknown(name));
 
   // compressed format using _fileVector
-  int p = name.find(')');
+  int p = name.tqfind(')');
   if (p<2) {
       kdError() << _filename << ":" << _lineNo
 		<< " - Invalid compressed file ('" 
@@ -457,7 +457,7 @@ TraceFunction* CachegrindLoader::compressedFunction(const TQString& name,
     return _data->function(checkUnknown(name), file, object);
 
   // compressed format using _functionVector
-  int p = name.find(')');
+  int p = name.tqfind(')');
   if (p<2) {
       kdError() << _filename << ":" << _lineNo
 		<< " - Invalid compressed function ('" 
@@ -735,9 +735,9 @@ bool CachegrindLoader::loadTraceInternal(TracePart* part)
     return false;
   }
   kdDebug() << "Loading " << _filename << " ..." << endl;
-  TQString statusMsg = i18n("Loading %1").arg(_filename);
+  TQString statusMsg = i18n("Loading %1").tqarg(_filename);
   int statusProgress = 0;
-  emit updateStatus(statusMsg,statusProgress);
+  emit updatetqStatus(statusMsg,statusProgress);
 
 
 #if USE_FIXCOST
@@ -815,7 +815,7 @@ bool CachegrindLoader::loadTraceInternal(TracePart* part)
 		 * "long operations" (like file loading) are in progress,
 		 * this can temporarly switch to another operation.
 		 */
-		emit updateStatus(statusMsg,statusProgress);
+		emit updatetqStatus(statusMsg,statusProgress);
 	      }
 
 	      continue;
@@ -1030,8 +1030,8 @@ bool CachegrindLoader::loadTraceInternal(TracePart* part)
 	    // positions:
 	    if (line.stripPrefix("ositions:")) {
 		TQString positions(line);
-		hasLineInfo = (positions.find("line")>=0);
-		hasAddrInfo = (positions.find("instr")>=0);
+		hasLineInfo = (positions.tqfind("line")>=0);
+		hasAddrInfo = (positions.tqfind("instr")>=0);
 		continue;
 	    }
 	    break;
@@ -1308,9 +1308,9 @@ bool CachegrindLoader::loadTraceInternal(TracePart* part)
   }
 
 
-  emit updateStatus(statusMsg,100);
+  emit updatetqStatus(statusMsg,100);
 
-  _part->invalidate();
+  _part->tqinvalidate();
   if (!totalsSet) {
     _part->totals()->clear();
     _part->totals()->addCost(_part);
diff --git a/kcachegrind/kcachegrind/callgraphview.cpp b/kcachegrind/kcachegrind/callgraphview.cpp
index 990d4014..c66c5809 100644
--- a/kcachegrind/kcachegrind/callgraphview.cpp
+++ b/kcachegrind/kcachegrind/callgraphview.cpp
@@ -174,13 +174,13 @@ TraceCall* GraphNode::visibleCalling()
 
 void GraphNode::setCalling(GraphEdge* e)
 {
-    _lastCallingIndex = callings.findRef(e);
+    _lastCallingIndex = callings.tqfindRef(e);
     _lastFromCaller = false;
 }
 
 void GraphNode::setCaller(GraphEdge* e)
 {
-    _lastCallerIndex = callers.findRef(e);
+    _lastCallerIndex = callers.tqfindRef(e);
     _lastFromCaller = true;
 }
 
@@ -303,8 +303,8 @@ GraphEdge::GraphEdge()
 TQString GraphEdge::prettyName()
 {
     if (_c) return _c->prettyName();
-    if (_from) return i18n("Call(s) from %1").arg(_from->prettyName());
-    if (_to) return i18n("Call(s) to %1").arg(_to->prettyName());
+    if (_from) return i18n("Call(s) from %1").tqarg(_from->prettyName());
+    if (_to) return i18n("Call(s) to %1").tqarg(_to->prettyName());
     return i18n("(unknown call)");
 }
 
@@ -369,14 +369,14 @@ TraceCall* GraphEdge::priorVisible()
 // GraphOptions
 //
 
-TQString GraphOptions::layoutString(Layout l)
+TQString GraphOptions::tqlayoutString(Layout l)
 {
     if (l == Circular) return TQString("Circular");
     if (l == LeftRight) return TQString("LeftRight");
     return TQString("TopDown");
 }
 
-GraphOptions::Layout GraphOptions::layout(TQString s)
+GraphOptions::Layout GraphOptions::tqlayout(TQString s)
 {
     if (s == TQString("Circular")) return Circular;
     if (s == TQString("LeftRight")) return LeftRight;
@@ -413,7 +413,7 @@ GraphExporter::GraphExporter()
     _go = this;
     _tmpFile = 0;
     _item = 0;
-    reset(0, 0, 0, TraceItem::NoCostType, TQString::null);
+    reset(0, 0, 0, TraceItem::NoCostType, TQString());
 }
 
 
@@ -467,7 +467,7 @@ void GraphExporter::reset(TraceData*, TraceItem* i, TraceCostType* ct,
   if (!i) return;
 
   if (filename.isEmpty()) {
-    _tmpFile = new KTempFile(TQString::null, ".dot");
+    _tmpFile = new KTempFile(TQString(), ".dot");
     _dotName = _tmpFile->name();
     _useBox = true;
   }
@@ -519,7 +519,7 @@ void GraphExporter::createGraph()
     TraceFunction *caller, *called;
     caller = c->caller(false);
     called = c->called(false);
-    QPair<TraceFunction*,TraceFunction*> p(caller, called);
+    TQPair<TraceFunction*,TraceFunction*> p(caller, called);
     GraphEdge& e = _edgeMap[p];
     e.setCall(c);
     e.setCaller(p.first);
@@ -562,10 +562,10 @@ void GraphExporter::writeDot()
 
   *stream << "digraph \"callgraph\" {\n";
 
-  if (_go->layout() == LeftRight) {
+  if (_go->tqlayout() == LeftRight) {
       *stream << TQString("  rankdir=LR;\n");
   }
-  else if (_go->layout() == Circular) {
+  else if (_go->tqlayout() == Circular) {
     TraceFunction *f = 0;
     switch(_item->type()) {
     case TraceItem::Function:
@@ -579,7 +579,7 @@ void GraphExporter::writeDot()
       break;
     }
     if (f)
-      *stream << TQString("  center=F%1;\n").arg((long)f, 0, 16);
+      *stream << TQString("  center=F%1;\n").tqarg((long)f, 0, 16);
     *stream << TQString("  overlap=false;\n  splines=true;\n");
   }
 
@@ -619,7 +619,7 @@ void GraphExporter::writeDot()
 	iabr = iabr.left(Configuration::maxSymbolLength()) + "...";
 
       *stream << TQString("subgraph \"cluster%1\" { label=\"%2\";\n")
-	.arg(cluster).arg(iabr);
+	.tqarg(cluster).tqarg(iabr);
     }
 
     GraphNode* np;
@@ -630,17 +630,17 @@ void GraphExporter::writeDot()
       if ((int)abr.length() > Configuration::maxSymbolLength())
 	abr = abr.left(Configuration::maxSymbolLength()) + "...";
       
-      *stream << TQString("  F%1 [").arg((long)f, 0, 16);
+      *stream << TQString("  F%1 [").tqarg((long)f, 0, 16);
       if (_useBox) {
 	// make label 3 lines for CallGraphView
-	*stream << TQString("shape=box,label=\"** %1 **\\n**\\n%2\"];\n")
-	  .arg(abr)
-	  .arg(SubCost(np->incl).pretty());
+	*stream << TQString("tqshape=box,label=\"** %1 **\\n**\\n%2\"];\n")
+	  .tqarg(abr)
+	  .tqarg(SubCost(np->incl).pretty());
       }
       else
 	*stream << TQString("label=\"%1\\n%2\"];\n")
-	  .arg(abr)
-	  .arg(SubCost(np->incl).pretty());
+	  .tqarg(abr)
+	  .tqarg(SubCost(np->incl).pretty());
     }
 
     if (_go->clusterGroups() && i)
@@ -675,17 +675,17 @@ void GraphExporter::writeDot()
     to.callerSet.remove(&e);
 
     *stream << TQString("  F%1 -> F%2 [weight=%3")
-      .arg((long)e.from(), 0, 16)
-      .arg((long)e.to(), 0, 16)
-      .arg((long)log(log(e.cost)));
+      .tqarg((long)e.from(), 0, 16)
+      .tqarg((long)e.to(), 0, 16)
+      .tqarg((long)log(log(e.cost)));
 
     if (_go->detailLevel() ==1)
 	*stream << TQString(",label=\"%1\"")
-	    .arg(SubCost(e.cost).pretty());
+	    .tqarg(SubCost(e.cost).pretty());
     else if (_go->detailLevel() ==2)
 	*stream << TQString(",label=\"%3\\n%4 x\"")
-	    .arg(SubCost(e.cost).pretty())
-	    .arg(SubCost(e.count).pretty());
+	    .tqarg(SubCost(e.cost).pretty())
+	    .tqarg(SubCost(e.count).pretty());
 
     *stream << TQString("];\n");
   }
@@ -707,20 +707,20 @@ void GraphExporter::writeDot()
 	  }
 	  if (costSum > _realCallLimit) {
 
-	      QPair<TraceFunction*,TraceFunction*> p(0, n.function());
+	      TQPair<TraceFunction*,TraceFunction*> p(0, n.function());
 	      e = &(_edgeMap[p]);
 	      e->setCalling(p.second);
 	      e->cost = costSum;
 	      e->count = countSum;
 
-	      *stream << TQString("  R%1 [shape=point,label=\"\"];\n")
-		  .arg((long)n.function(), 0, 16);
+	      *stream << TQString("  R%1 [tqshape=point,label=\"\"];\n")
+		  .tqarg((long)n.function(), 0, 16);
 	      *stream << TQString("  R%1 -> F%2 [label=\"%3\\n%4 x\",weight=%5];\n")
-		  .arg((long)n.function(), 0, 16)
-		  .arg((long)n.function(), 0, 16)
-		  .arg(SubCost(costSum).pretty())
-		  .arg(SubCost(countSum).pretty())
-		  .arg((int)log(costSum));
+		  .tqarg((long)n.function(), 0, 16)
+		  .tqarg((long)n.function(), 0, 16)
+		  .tqarg(SubCost(costSum).pretty())
+		  .tqarg(SubCost(countSum).pretty())
+		  .tqarg((int)log(costSum));
 	  }
 
 	  costSum = countSum = 0.0;
@@ -730,20 +730,20 @@ void GraphExporter::writeDot()
 	  }
 	  if (costSum > _realCallLimit) {
 
-	      QPair<TraceFunction*,TraceFunction*> p(n.function(), 0);
+	      TQPair<TraceFunction*,TraceFunction*> p(n.function(), 0);
 	      e = &(_edgeMap[p]);
 	      e->setCaller(p.first);
 	      e->cost = costSum;
 	      e->count = countSum;
 
-	      *stream << TQString("  S%1 [shape=point,label=\"\"];\n")
-		  .arg((long)n.function(), 0, 16);
+	      *stream << TQString("  S%1 [tqshape=point,label=\"\"];\n")
+		  .tqarg((long)n.function(), 0, 16);
 	      *stream << TQString("  F%1 -> S%2 [label=\"%3\\n%4 x\",weight=%5];\n")
-		  .arg((long)n.function(), 0, 16)
-		  .arg((long)n.function(), 0, 16)
-		  .arg(SubCost(costSum).pretty())
-		  .arg(SubCost(countSum).pretty())
-		  .arg((int)log(costSum));
+		  .tqarg((long)n.function(), 0, 16)
+		  .tqarg((long)n.function(), 0, 16)
+		  .tqarg(SubCost(costSum).pretty())
+		  .tqarg(SubCost(countSum).pretty())
+		  .tqarg((int)log(costSum));
 	  }
       }
   }
@@ -797,7 +797,7 @@ GraphNode* GraphExporter::node(TraceFunction* f)
 {
   if (!f) return 0;
 
-  GraphNodeMap::Iterator it = _nodeMap.find(f);
+  GraphNodeMap::Iterator it = _nodeMap.tqfind(f);
   if (it == _nodeMap.end()) return 0;
 
   return &(*it);
@@ -805,7 +805,7 @@ GraphNode* GraphExporter::node(TraceFunction* f)
 
 GraphEdge* GraphExporter::edge(TraceFunction* f1, TraceFunction* f2)
 {
-  GraphEdgeMap::Iterator it = _edgeMap.find(qMakePair(f1, f2));
+  GraphEdgeMap::Iterator it = _edgeMap.tqfind(tqMakePair(f1, f2));
   if (it == _edgeMap.end()) return 0;
 
   return &(*it);
@@ -890,7 +890,7 @@ void GraphExporter::buildGraph(TraceFunction* f, int d,
     // if (count>0.0 && (cost/count < 3)) continue;
 
     double oldCost = 0.0;
-    QPair<TraceFunction*,TraceFunction*> p(toCallings ? f:f2,
+    TQPair<TraceFunction*,TraceFunction*> p(toCallings ? f:f2,
 					   toCallings ? f2:f);
     GraphEdge& e = _edgeMap[p];
     if (e.call() == 0) {
@@ -910,7 +910,7 @@ void GraphExporter::buildGraph(TraceFunction* f, int d,
     if (f2->cycle() == f2) {
       TraceFunction* realF;
       realF = toCallings ? call->called(true) : call->caller(true);
-      QPair<TraceFunction*,TraceFunction*> realP(toCallings ? f:realF,
+      TQPair<TraceFunction*,TraceFunction*> realP(toCallings ? f:realF,
 						 toCallings ? realF:f);
       GraphEdge& e = _edgeMap[realP];
       if (e.call() == 0) {
@@ -927,14 +927,14 @@ void GraphExporter::buildGraph(TraceFunction* f, int d,
     if (call->isRecursion()) continue;
 
     if (toCallings) {
-	GraphEdgeSet::Iterator it = n.callingSet.find(&e);
+	GraphEdgeSet::Iterator it = n.callingSet.tqfind(&e);
 	if (it == n.callingSet.end()) {
 	    n.callings.append(&e);
 	    n.callingSet.insert(&e, 1 );
 	}
     }
     else {
-	GraphEdgeSet::Iterator it = n.callerSet.find(&e);
+	GraphEdgeSet::Iterator it = n.callerSet.tqfind(&e);
 	if (it == n.callerSet.end()) {
 	    n.callers.append(&e);
 	    n.callerSet.insert(&e, 1 );
@@ -963,14 +963,14 @@ void GraphExporter::buildGraph(TraceFunction* f, int d,
 //
 // PannerView
 //
-PannerView::PannerView(TQWidget * parent, const char * name)
-  : TQCanvasView(parent, name, WNoAutoErase | WStaticContents)
+PannerView::PannerView(TQWidget * tqparent, const char * name)
+  : TQCanvasView(tqparent, name, WNoAutoErase | WStaticContents)
 {
   _movingZoomRect = false;
 
   // why doesn't this avoid flicker ?
-  viewport()->setBackgroundMode(Qt::NoBackground);
-  setBackgroundMode(Qt::NoBackground);
+  viewport()->setBackgroundMode(TQt::NoBackground);
+  setBackgroundMode(TQt::NoBackground);
 }
 
 void PannerView::setZoomRect(TQRect r)
@@ -1000,7 +1000,7 @@ void PannerView::drawContents(TQPainter * p, int clipx, int clipy, int clipw, in
 void PannerView::contentsMousePressEvent(TQMouseEvent* e)
 {
   if (_zoomRect.isValid()) {
-    if (!_zoomRect.contains(e->pos()))
+    if (!_zoomRect.tqcontains(e->pos()))
       emit zoomRectMoved(e->pos().x() - _zoomRect.center().x(),
                          e->pos().y() - _zoomRect.center().y());
 
@@ -1057,15 +1057,15 @@ CanvasNode::CanvasNode(CallGraphView* v, GraphNode* n,
         totalCost = (TraceCost*) _view->activeItem();
     }
     else
-	totalCost = _view->data();
+	totalCost = _view->TraceItemView::data();
     double total = totalCost->subCost(_view->costType());
     double inclP  = 100.0 * n->incl / total;
     if (_view->topLevel()->showPercentage())
 	setText(1, TQString("%1 %")
-		.arg(inclP, 0, 'f', Configuration::percentPrecision()));
+		.tqarg(inclP, 0, 'f', Configuration::percentPrecision()));
     else
 	setText(1, SubCost(n->incl).pretty());
-    setPixmap(1, percentagePixmap(25,10,(int)(inclP+.5), Qt::blue, true));
+    setPixmap(1, percentagePixmap(25,10,(int)(inclP+.5), TQt::blue, true));
 }
 
 void CanvasNode::setSelected(bool s)
@@ -1095,8 +1095,8 @@ void CanvasNode::drawShape(TQPainter& p)
   r.setRect(r.x()+2, r.y()+2, r.width()-4, r.height()-4);
 
   if (StoredDrawParams::selected() && _view->hasFocus()) {
-    _view->style().drawPrimitive( TQStyle::PE_FocusRect, &p, r,
-				  _view->colorGroup());
+    _view->tqstyle().tqdrawPrimitive( TQStyle::PE_FocusRect, &p, r,
+				  _view->tqcolorGroup());
   }
 
   // draw afterwards to always get a frame even when zoomed
@@ -1121,7 +1121,7 @@ CanvasEdgeLabel::CanvasEdgeLabel(CallGraphView* v, CanvasEdge* ce,
     if (!e) return;
 
     setPosition(1, DrawParams::TopCenter);
-    setText(1, TQString("%1 x").arg(SubCost(e->count).pretty()));
+    setText(1, TQString("%1 x").tqarg(SubCost(e->count).pretty()));
 
     setPosition(0, DrawParams::BottomCenter);
 
@@ -1137,15 +1137,15 @@ CanvasEdgeLabel::CanvasEdgeLabel(CallGraphView* v, CanvasEdge* ce,
         totalCost = (TraceCost*) _view->activeItem();
     }
     else
-        totalCost = _view->data();
+        totalCost = _view->TraceItemView::data();
     double total = totalCost->subCost(_view->costType());
     double inclP  = 100.0 * e->cost / total;
     if (_view->topLevel()->showPercentage())
         setText(0, TQString("%1 %")
-		.arg(inclP, 0, 'f', Configuration::percentPrecision()));
+		.tqarg(inclP, 0, 'f', Configuration::percentPrecision()));
     else
         setText(0, SubCost(e->cost).pretty());
-    setPixmap(0, percentagePixmap(25,10,(int)(inclP+.5), Qt::blue, true));
+    setPixmap(0, percentagePixmap(25,10,(int)(inclP+.5), TQt::blue, true));
 
     if (e->call() && (e->call()->isRecursion() || e->call()->inCycle())) {
 	TQString icon = "undo";
@@ -1175,7 +1175,7 @@ CanvasEdgeArrow::CanvasEdgeArrow(CanvasEdge* ce, TQCanvas* c)
 
 void CanvasEdgeArrow::drawShape(TQPainter& p)
 {
-    if (_ce->isSelected()) p.setBrush(Qt::red);
+    if (_ce->isSelected()) p.setBrush(TQt::red);
 
     TQCanvasPolygon::drawShape(p);
 }
@@ -1237,7 +1237,7 @@ TQPointArray CanvasEdge::areaPoints() const
 
 void CanvasEdge::drawShape(TQPainter& p)
 {
-    if (isSelected()) p.setPen(Qt::red);
+    if (isSelected()) p.setPen(TQt::red);
 
     p.drawPolyline(poly);
 }
@@ -1265,9 +1265,9 @@ CanvasFrame::CanvasFrame(CanvasNode* n, TQCanvas* c)
     }
 
     _p = new TQPixmap(r.size());
-    _p->fill(Qt::white);
+    _p->fill(TQt::white);
     TQPainter p(_p);
-    p.setPen(Qt::NoPen);
+    p.setPen(TQt::NoPen);
 
     r.moveBy(-r.x(), -r.y());
 
@@ -1302,7 +1302,7 @@ void CanvasFrame::drawShape(TQPainter& p)
 // Tooltips for CallGraphView
 //
 
-class CallGraphTip: public QToolTip
+class CallGraphTip: public TQToolTip
 {
 public:
   CallGraphTip( TQWidget* p ):TQToolTip(p) {}
@@ -1313,8 +1313,8 @@ protected:
 
 void CallGraphTip::maybeTip( const TQPoint& pos )
 {
-  if (!parentWidget()->inherits( "CallGraphView" )) return;
-  CallGraphView* cgv = (CallGraphView*)parentWidget();
+  if (!tqparentWidget()->inherits( "CallGraphView" )) return;
+  CallGraphView* cgv = (CallGraphView*)tqparentWidget();
 
   TQPoint cPos = cgv->viewportToContents(pos);
 
@@ -1331,7 +1331,7 @@ void CallGraphTip::maybeTip( const TQPoint& pos )
       if (0) qDebug("CallGraphTip: Mouse on Node '%s'",
 		    n->function()->prettyName().ascii());
 
-      TQString tipStr = TQString("%1 (%2)").arg(cn->text(0)).arg(cn->text(1));
+      TQString tipStr = TQString("%1 (%2)").tqarg(cn->text(0)).tqarg(cn->text(1));
       TQPoint vPosTL = cgv->contentsToViewport(i->boundingRect().topLeft());
       TQPoint vPosBR = cgv->contentsToViewport(i->boundingRect().bottomRight());
       tip(TQRect(vPosTL, vPosBR), tipStr);
@@ -1356,7 +1356,7 @@ void CallGraphTip::maybeTip( const TQPoint& pos )
 	  tipStr = e->prettyName();
       else
 	  tipStr = TQString("%1 (%2)")
-	      .arg(ce->label()->text(0)).arg(ce->label()->text(1));
+	      .tqarg(ce->label()->text(0)).tqarg(ce->label()->text(1));
       tip(TQRect(pos.x()-5,pos.y()-5,pos.x()+5,pos.y()+5), tipStr);
   }
 }
@@ -1367,9 +1367,9 @@ void CallGraphTip::maybeTip( const TQPoint& pos )
 //
 // CallGraphView
 //
-CallGraphView::CallGraphView(TraceItemView* parentView,
-                             TQWidget* parent, const char* name)
-  : TQCanvasView(parent, name), TraceItemView(parentView)
+CallGraphView::CallGraphView(TraceItemView* tqparentView,
+                             TQWidget* tqparent, const char* name)
+  : TQCanvasView(tqparent, name), TraceItemView(tqparentView)
 {
     _zoomPosition = DEFAULT_ZOOMPOS;
     _lastAutoPosition = TopLeft;
@@ -1388,8 +1388,8 @@ CallGraphView::CallGraphView(TraceItemView* parentView,
   _completeView->raise();
   _completeView->hide();
 
-  setFocusPolicy(TQWidget::StrongFocus);
-  setBackgroundMode(Qt::NoBackground);
+  setFocusPolicy(TQ_StrongFocus);
+  setBackgroundMode(TQt::NoBackground);
 
   connect(this, TQT_SIGNAL(contentsMoving(int,int)),
           this, TQT_SLOT(contentsMovingSlot(int,int)));
@@ -1589,7 +1589,7 @@ void CallGraphView::keyPressEvent(TQKeyEvent* e)
 	TraceFunction* f = 0;
 	TraceCall* c = 0;
 
-	// rotate arrow key meaning for LeftRight layout
+	// rotate arrow key meaning for LeftRight tqlayout
 	int key = e->key();
 	if (_layout == LeftRight) {
 	    switch(key) {
@@ -1745,7 +1745,7 @@ void CallGraphView::doUpdate(int changeType)
   }
 
   if (changeType & dataChanged) {
-      // invalidate old selection and graph part
+      // tqinvalidate old selection and graph part
     _exporter.reset(_data, _activeItem, _costType, _groupType);
       _selectedNode = 0;
       _selectedEdge = 0;
@@ -1786,14 +1786,14 @@ void CallGraphView::showRenderWarning()
   TQString s;
 
   if (_renderProcess)
-    s =i18n("Warning: a long lasting graph layouting is in progress.\n"
+    s =i18n("Warning: a long lasting graph tqlayouting is in progress.\n"
 	    "Reduce node/edge limits for speedup.\n");
   else
     s = i18n("Layouting stopped.\n");
   
   s.append(i18n("The call graph has %1 nodes and %2 edges.\n")
-	   .arg(_exporter.nodeCount())
-	   .arg(_exporter.edgeCount()));
+	   .tqarg(_exporter.nodeCount())
+	   .tqarg(_exporter.edgeCount()));
 
   showText(s);
 }
@@ -1805,7 +1805,7 @@ void CallGraphView::stopRendering()
   _renderProcess->kill();
   delete _renderProcess;
   _renderProcess = 0;
-  _unparsedOutput = TQString::null;
+  _unparsedOutput = TQString();
 
   _renderTimer.start(200, true);
 }
@@ -1846,7 +1846,7 @@ void CallGraphView::refresh()
   _exporter.reset(_data, _activeItem, _costType, _groupType);
   _exporter.writeDot();
 
-  _renderProcess = new TQProcess(this);
+  _renderProcess = new TQProcess(TQT_TQOBJECT(this));
   if (_layout == GraphOptions::Circular)
     _renderProcess->addArgument( "twopi" );
   else
@@ -1866,7 +1866,7 @@ void CallGraphView::refresh()
   if ( !_renderProcess->start() ) {
     TQString e = i18n("No call graph is available because the following\n"
 		     "command cannot be run:\n'%1'\n")
-      .arg(_renderProcess->arguments().join(" "));
+      .tqarg(_renderProcess->arguments().join(" "));
     e += i18n("Please check that 'dot' is installed (package GraphViz).");
     showText(e);
 
@@ -1876,9 +1876,9 @@ void CallGraphView::refresh()
     return;
   }
 
-  _unparsedOutput = TQString::null;
+  _unparsedOutput = TQString();
 
-  // layouting of more than seconds is dubious
+  // tqlayouting of more than seconds is dubious
   _renderTimer.start(1000, true);  
 }
 
@@ -2003,7 +2003,7 @@ void CallGraphView::dotExited()
 	  w = 10, h = 10;
         eItem = new TQCanvasEllipse(w, h, _canvas);
         eItem->move(xx, yy);
-        eItem->setBrush(Qt::gray);
+        eItem->setBrush(TQt::gray);
         eItem->setZ(1.0);
         eItem->show();
         continue;
@@ -2074,11 +2074,11 @@ void CallGraphView::dotExited()
     }
 
     // calls into/out of cycles are special: make them blue
-    TQColor arrowColor = Qt::black;
+    TQColor arrowColor = TQt::black;
     TraceFunction* caller = e->fromNode() ? e->fromNode()->function() : 0;
     TraceFunction* called = e->toNode() ? e->toNode()->function() : 0;
     if ( (caller && (caller->cycle() == caller)) ||
-         (called && (called->cycle() == called)) ) arrowColor = Qt::blue;
+         (called && (called->cycle() == called)) ) arrowColor = TQt::blue;
 
     sItem = new CanvasEdge(e, _canvas);
     e->setCanvasEdge(sItem);
@@ -2195,7 +2195,7 @@ void CallGraphView::dotExited()
 
   if (!_canvas) {
     _canvas = new TQCanvas(size().width(),size().height());
-    TQString s = i18n("Error running the graph layouting tool.\n");
+    TQString s = i18n("Error running the graph tqlayouting tool.\n");
     s += i18n("Please check that 'dot' is installed (package GraphViz).");
     TQCanvasText* t = new TQCanvasText(s, _canvas);
     t->move(5, 5);
@@ -2206,8 +2206,8 @@ void CallGraphView::dotExited()
     TQString s = i18n("There is no call graph available for function\n"
 		     "\t'%1'\n"
 		     "because it has no cost of the selected event type.");
-    TQCanvasText* t = new TQCanvasText(s.arg(_activeItem->name()), _canvas);
-    //    t->setTextFlags(Qt::AlignHCenter | Qt::AlignVCenter);
+    TQCanvasText* t = new TQCanvasText(s.tqarg(_activeItem->name()), _canvas);
+    //    t->setTextFlags(TQt::AlignHCenter | TQt::AlignVCenter);
     t->move(5,5);
     t->show();
     center(0,0);
@@ -2394,10 +2394,10 @@ void CallGraphView::contentsContextMenuEvent(TQContextMenuEvent* e)
 
       TQString name = f->prettyName();
       popup.insertItem(i18n("Go to '%1'")
-		     .arg(Configuration::shortenSymbol(name)), 93);
+		     .tqarg(Configuration::shortenSymbol(name)), 93);
       if (cycle && (cycle != f)) {
 	name = Configuration::shortenSymbol(cycle->prettyName());
-	popup.insertItem(i18n("Go to '%1'").arg(name), 94);
+	popup.insertItem(i18n("Go to '%1'").tqarg(name), 94);
       }
       popup.insertSeparator();
     }
@@ -2416,7 +2416,7 @@ void CallGraphView::contentsContextMenuEvent(TQContextMenuEvent* e)
       if (c) {
 	  TQString name = c->prettyName();
 	  popup.insertItem(i18n("Go to '%1'")
-			   .arg(Configuration::shortenSymbol(name)), 95);
+			   .tqarg(Configuration::shortenSymbol(name)), 95);
 
 	  popup.insertSeparator();
       }
@@ -2457,7 +2457,7 @@ void CallGraphView::contentsContextMenuEvent(TQContextMenuEvent* e)
   case 10: gpopup1.setItemChecked(104,true); break;
   case 15: gpopup1.setItemChecked(105,true); break;
   default:
-    gpopup1.insertItem(i18n("< %1").arg(_maxCallerDepth), 106);
+    gpopup1.insertItem(i18n("< %1").tqarg(_maxCallerDepth), 106);
     gpopup1.setItemChecked(106,true); break;
   }
 
@@ -2480,7 +2480,7 @@ void CallGraphView::contentsContextMenuEvent(TQContextMenuEvent* e)
   case 10: gpopup2.setItemChecked(114,true); break;
   case 15: gpopup2.setItemChecked(115,true); break;
   default:
-    gpopup2.insertItem(i18n("< %1").arg(_maxCallingDepth), 116);
+    gpopup2.insertItem(i18n("< %1").tqarg(_maxCallingDepth), 116);
     gpopup2.setItemChecked(116,true); break;
   }
 
@@ -2584,7 +2584,7 @@ void CallGraphView::contentsContextMenuEvent(TQContextMenuEvent* e)
 	  TraceFunction* f = activeFunction();
 	  if (!f) break;
 
-	  GraphExporter ge(data(), f, costType(), groupType(),
+	  GraphExporter ge(TraceItemView::data(), f, costType(), groupType(),
 			   TQString("callgraph.dot"));
 	  ge.setGraphOptions(this);
 	  ge.writeDot();
@@ -2701,8 +2701,8 @@ void CallGraphView::readViewConfig(KConfig* c,
     _clusterGroups   = g->readBoolEntry("ClusterGroups",
 					DEFAULT_CLUSTERGROUPS);
     _detailLevel     = g->readNumEntry("DetailLevel", DEFAULT_DETAILLEVEL);
-    _layout          = GraphOptions::layout(g->readEntry("Layout",
-					   layoutString(DEFAULT_LAYOUT)));
+    _layout          = GraphOptions::tqlayout(g->readEntry("Layout",
+					   tqlayoutString(DEFAULT_LAYOUT)));
     _zoomPosition    = zoomPos(g->readEntry("ZoomPosition",
 					    zoomPosString(DEFAULT_ZOOMPOS)));
 
@@ -2724,7 +2724,7 @@ void CallGraphView::saveViewConfig(KConfig* c,
 		     DEFAULT_CLUSTERGROUPS);
     writeConfigEntry(&g, "DetailLevel", _detailLevel, DEFAULT_DETAILLEVEL);
     writeConfigEntry(&g, "Layout",
-		     layoutString(_layout), layoutString(DEFAULT_LAYOUT).utf8().data());
+		     tqlayoutString(_layout), tqlayoutString(DEFAULT_LAYOUT).utf8().data());
     writeConfigEntry(&g, "ZoomPosition",
 		     zoomPosString(_zoomPosition),
 		     zoomPosString(DEFAULT_ZOOMPOS).utf8().data());
diff --git a/kcachegrind/kcachegrind/callgraphview.h b/kcachegrind/kcachegrind/callgraphview.h
index 47fee79b..2e15022d 100644
--- a/kcachegrind/kcachegrind/callgraphview.h
+++ b/kcachegrind/kcachegrind/callgraphview.h
@@ -150,7 +150,7 @@ public:
 
 
 typedef TQMap<TraceFunction*, GraphNode> GraphNodeMap;
-typedef TQMap<QPair<TraceFunction*, TraceFunction*>, GraphEdge> GraphEdgeMap;
+typedef TQMap<TQPair<TraceFunction*, TraceFunction*>, GraphEdge> GraphEdgeMap;
 
 
 /* Abstract Interface for graph options */
@@ -167,10 +167,10 @@ class GraphOptions
     virtual bool expandCycles() = 0;
     virtual bool clusterGroups() = 0;
     virtual int detailLevel() = 0;
-    virtual Layout layout() = 0;
+    virtual Layout tqlayout() = 0;
 
-    static TQString layoutString(Layout);
-    static Layout layout(TQString);
+    static TQString tqlayoutString(Layout);
+    static Layout tqlayout(TQString);
 };
 
 /* Graph Options Storage */
@@ -188,7 +188,7 @@ class StorableGraphOptions: public GraphOptions
     virtual bool expandCycles() { return _expandCycles; }
     virtual bool clusterGroups() { return _clusterGroups; }
     virtual int detailLevel() { return _detailLevel; }
-    virtual Layout layout() { return _layout; }
+    virtual Layout tqlayout() { return _layout; }
 
     // setters
     void setMaxCallerDepth(int d) { _maxCallerDepth = d; }
@@ -220,11 +220,11 @@ class GraphExporter: public StorableGraphOptions
 public:
   GraphExporter();
   GraphExporter(TraceData*, TraceFunction*, TraceCostType*,
-		TraceItem::CostType, TQString filename = TQString::null);
+		TraceItem::CostType, TQString filename = TQString());
   virtual ~GraphExporter();
 
   void reset(TraceData*, TraceItem*, TraceCostType*,
-	     TraceItem::CostType, TQString filename = TQString::null);
+	     TraceItem::CostType, TQString filename = TQString());
 
   TQString filename() { return _dotName; }
   int edgeCount() { return _edgeMap.count(); }
@@ -240,7 +240,7 @@ public:
   // calls createGraph before dumping of not already created
   void writeDot();
 
-  // to map back to structures when parsing a layouted graph
+  // to map back to structures when parsing a tqlayouted graph
 
   /* <toFunc> is a helper for node() and edge().
    * Don't use the returned pointer directly, but only with
@@ -279,14 +279,15 @@ private:
 };
 
 /**
- * A panner layed over a QCanvas
+ * A panner layed over a TQCanvas
  */
-class PannerView: public QCanvasView
+class PannerView: public TQCanvasView
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  PannerView(TQWidget * parent = 0, const char * name = 0);
+  PannerView(TQWidget * tqparent = 0, const char * name = 0);
 
   void setZoomRect(TQRect r);
 
@@ -353,7 +354,7 @@ private:
   CallGraphView* _view;
 };
 
-class CanvasEdgeArrow: public QCanvasPolygon
+class CanvasEdgeArrow: public TQCanvasPolygon
 {
 public:
   CanvasEdgeArrow(CanvasEdge*, TQCanvas*);
@@ -368,7 +369,7 @@ private:
 };
 
 
-class CanvasEdge: public QCanvasSpline
+class CanvasEdge: public TQCanvasSpline
 {
 public:
   CanvasEdge(GraphEdge*, TQCanvas*);
@@ -392,7 +393,7 @@ private:
 };
 
 
-class CanvasFrame: public QCanvasRectangle
+class CanvasFrame: public TQCanvasRectangle
 {
 public:
   CanvasFrame( CanvasNode*, TQCanvas *canvas );
@@ -416,12 +417,13 @@ class CallGraphView: public TQCanvasView,  public TraceItemView,
 		     public StorableGraphOptions
 {
  Q_OBJECT
+  TQ_OBJECT
 
 public:
  enum ZoomPosition { TopLeft, TopRight, BottomLeft, BottomRight, Auto };
 
-  CallGraphView(TraceItemView* parentView,
-                TQWidget* parent=0, const char* name=0);
+  CallGraphView(TraceItemView* tqparentView,
+                TQWidget* tqparent=0, const char* name=0);
   ~CallGraphView();
 
   void readViewConfig(KConfig*, TQString prefix, TQString postfix, bool);
diff --git a/kcachegrind/kcachegrind/callitem.cpp b/kcachegrind/kcachegrind/callitem.cpp
index ebca4903..3667f668 100644
--- a/kcachegrind/kcachegrind/callitem.cpp
+++ b/kcachegrind/kcachegrind/callitem.cpp
@@ -34,8 +34,8 @@
 // CallItem
 
 
-CallItem::CallItem(CallView* view, TQListView* parent, TraceCall* c)
-    : TQListViewItem(parent)
+CallItem::CallItem(CallView* view, TQListView* tqparent, TraceCall* c)
+    : TQListViewItem(tqparent)
 {
   _call = c;
   _view = view;
@@ -110,7 +110,7 @@ void CallItem::updateCost()
 
 	if (_view->topLevel()->showPercentage())
 	    setText(0, TQString("%1")
-		    .arg(sum, 0, 'f', Configuration::percentPrecision()));
+		    .tqarg(sum, 0, 'f', Configuration::percentPrecision()));
 	else
 	    setText(0, _call->prettySubCost(ct));
 
@@ -134,7 +134,7 @@ void CallItem::updateCost()
 	
 	if (_view->topLevel()->showPercentage())
 	  setText(1, TQString("%1")
-		  .arg(sum, 0, 'f', Configuration::percentPrecision()));
+		  .tqarg(sum, 0, 'f', Configuration::percentPrecision()));
 	else
 	  setText(1, _call->prettySubCost(ct2));
 
diff --git a/kcachegrind/kcachegrind/callitem.h b/kcachegrind/kcachegrind/callitem.h
index 4eb0ebb0..94191b8f 100644
--- a/kcachegrind/kcachegrind/callitem.h
+++ b/kcachegrind/kcachegrind/callitem.h
@@ -28,7 +28,7 @@
 
 class CallView;
 
-class CallItem: public QListViewItem
+class CallItem: public TQListViewItem
 {
 public:
     CallItem(CallView*, TQListView*, TraceCall* c);
diff --git a/kcachegrind/kcachegrind/callmapview.cpp b/kcachegrind/kcachegrind/callmapview.cpp
index 95930afe..53727a2d 100644
--- a/kcachegrind/kcachegrind/callmapview.cpp
+++ b/kcachegrind/kcachegrind/callmapview.cpp
@@ -50,9 +50,9 @@
 #define DEFAULT_MAXAREA      100
 
 
-CallMapView::CallMapView(bool showCallers, TraceItemView* parentView,
-                         TQWidget* parent, const char* name)
-  : TreeMapWidget(new CallMapBaseItem(), parent, name),  TraceItemView(parentView)
+CallMapView::CallMapView(bool showCallers, TraceItemView* tqparentView,
+                         TQWidget* tqparent, const char* name)
+  : TreeMapWidget(new CallMapBaseItem(), tqparent, name),  TraceItemView(tqparentView)
 {
   _showCallers = showCallers;
 
@@ -115,12 +115,12 @@ TQString CallMapView::whatsThis() const
              "choose 'Hide incorrect borders'. As this mode can be "
              "<em>very</em> time consuming, you may want to limit "
              "the maximum drawn nesting level before. "
-             "'Best' determinates the split direction for children "
-             "from the aspect ratio of the parent. "
+             "'Best' determinates the split direction for tqchildren "
+             "from the aspect ratio of the tqparent. "
              "'Always Best' decides on remaining space for each "
              "sibling. "
              "'Ignore Proportions' takes space for function name "
-             "drawing <em>before</em> drawing children. Note that "
+             "drawing <em>before</em> drawing tqchildren. Note that "
              "size proportions can get <em>heavily</em> wrong.</p>"
 
              "<p>This is a <em>TreeMap</em> widget. "
@@ -171,7 +171,7 @@ void CallMapView::context(TreeMapItem* i,const TQPoint & p)
       if ((int)name.length()>Configuration::maxSymbolLength())
         name = name.left(Configuration::maxSymbolLength()) + "...";
       fpopup.insertItem(name, 101+count);
-      item = item->parent();
+      item = item->tqparent();
       count++;
     }
     popup.insertSeparator();
@@ -196,13 +196,13 @@ void CallMapView::context(TreeMapItem* i,const TQPoint & p)
   if (i) {
     l1popup.insertSeparator();
     l1popup.insertItem(i18n("Depth of '%1' (%2)")
-                       .arg(shortCurrentName).arg(i->depth()), 55);
+                       .tqarg(shortCurrentName).tqarg(i->depth()), 55);
     l1popup.setItemChecked(55, maxDepth == i->depth());
   }
   if (maxDepth>0) {
     l1popup.insertSeparator();
-    l1popup.insertItem(i18n("Decrement Depth (to %1)").arg(maxDepth-1), 56);
-    l1popup.insertItem(i18n("Increment Depth (to %1)").arg(maxDepth+1), 57);
+    l1popup.insertItem(i18n("Decrement Depth (to %1)").tqarg(maxDepth-1), 56);
+    l1popup.insertItem(i18n("Increment Depth (to %1)").tqarg(maxDepth+1), 57);
   }
 
   l2popup.setCheckable(true);
@@ -223,7 +223,7 @@ void CallMapView::context(TreeMapItem* i,const TQPoint & p)
         l2popup.setItemChecked(201+count, true);
         foundStopName = true;
       }
-      item = item->parent();
+      item = item->tqparent();
       count++;
     }
   }
@@ -256,15 +256,15 @@ void CallMapView::context(TreeMapItem* i,const TQPoint & p)
     currentArea = i->width() * i->height();
     l3popup.insertSeparator();
     l3popup.insertItem(i18n("Area of '%1' (%2)")
-                       .arg(shortCurrentName).arg(currentArea), 67);
+                       .tqarg(shortCurrentName).tqarg(currentArea), 67);
     l3popup.setItemChecked(67, mArea == currentArea);
   }
   if (mArea>0) {
     l3popup.insertSeparator();
     l3popup.insertItem(i18n("Double Area Limit (to %1)")
-                       .arg(mArea*2), 68);
+                       .tqarg(mArea*2), 68);
     l3popup.insertItem(i18n("Half Area Limit (to %1)")
-                       .arg(mArea/2), 69);
+                       .tqarg(mArea/2), 69);
   }
 
   popup.insertSeparator();
@@ -326,7 +326,7 @@ void CallMapView::context(TreeMapItem* i,const TQPoint & p)
   if (r>100 && r<150) {
     r -= 100;
     while (i && (r>1)) {
-      i=i->parent();
+      i=i->tqparent();
       r--;
     }
     activatedSlot(i);
@@ -336,7 +336,7 @@ void CallMapView::context(TreeMapItem* i,const TQPoint & p)
   if (r>200 && r<250) {
     r -= 200;
     while (i && (r>1)) {
-      i=i->parent();
+      i=i->tqparent();
       r--;
     }
     if (i)
@@ -389,7 +389,7 @@ void CallMapView::context(TreeMapItem* i,const TQPoint & p)
   case 56: setMaxDrawingDepth(maxDepth-1); break;
   case 57: setMaxDrawingDepth(maxDepth+1); break;
 
-  case 200: setFieldStop(0, TQString::null); break;
+  case 200: setFieldStop(0, TQString()); break;
 
   case 60: setMinimalArea(-1); break;
   case 61: setMinimalArea(10); break;
@@ -428,7 +428,7 @@ void CallMapView::selectedSlot(TreeMapItem* item, bool kbd)
   if (item->text(0).isEmpty()) return;
 
   if (kbd) {
-      TQString msg = i18n("Call Map: Current is '%1'").arg(item->text(0));
+      TQString msg = i18n("Call Map: Current is '%1'").tqarg(item->text(0));
       if (_topLevel)
 	  _topLevel->showMessage(msg, 5000);
   }
@@ -531,7 +531,7 @@ void CallMapView::doUpdate(int changeType)
 TQColor CallMapView::groupColor(TraceFunction* f) const
 {
   if (!f)
-    return colorGroup().button();
+    return tqcolorGroup().button();
 
   return Configuration::functionColor(_groupType, f);
 }
@@ -556,7 +556,7 @@ TQString CallMapView::tipString(TreeMapItem* i) const
     if (!tip.isEmpty()) tip += "\n";
 
     tip += itemTip;
-    i = i->parent();
+    i = i->tqparent();
     count++;
   }
   if (count == Configuration::maxSymbolCount()) tip += "\n...";
@@ -601,11 +601,11 @@ TQString CallMapBaseItem::text(int textNo) const
     return _f->prettyName();
   }
 
-  if (!_f) return TQString::null;
+  if (!_f) return TQString();
 
   if (textNo == 2) return _f->prettyLocation();
   if (textNo == 3) return _f->calledCount().pretty();
-  if (textNo != 1) return TQString::null;
+  if (textNo != 1) return TQString();
 
   TraceCostType* ct = ((CallMapView*)widget())->costType();
   TraceCost* t      = ((CallMapView*)widget())->totalCost();
@@ -618,7 +618,7 @@ TQString CallMapBaseItem::text(int textNo) const
 	  sum = 100.0 * _f->inclusive()->subCost(ct) / total;
 
       return TQString("%1 %")
-	  .arg(sum, 0, 'f', Configuration::percentPrecision());
+	  .tqarg(sum, 0, 'f', Configuration::percentPrecision());
   }
   return _f->inclusive()->prettySubCost(ct);
 }
@@ -663,7 +663,7 @@ bool CallMapBaseItem::isMarked(int) const
     return ((CallMapView*)widget())->selectedItem() == _f;
 }
 
-TreeMapItemList* CallMapBaseItem::children()
+TreeMapItemList* CallMapBaseItem::tqchildren()
 {
   if (_f && !initialized()) {
     CallMapView* w = (CallMapView*)widget();
@@ -706,7 +706,7 @@ TreeMapItemList* CallMapBaseItem::children()
     setSorting(-2, false);
   }
 
-  return _children;
+  return _tqchildren;
 }
 
 TQColor CallMapBaseItem::backColor() const
@@ -745,7 +745,7 @@ TQString CallMapCallingItem::text(int textNo) const
 
   if (textNo == 2) return _c->called()->prettyLocation();
   if (textNo == 3) return SubCost(_factor * _c->callCount()).pretty();
-  if (textNo != 1) return TQString::null;
+  if (textNo != 1) return TQString();
 
   TraceCostType* ct;
   ct = ((CallMapView*)widget())->costType();
@@ -756,7 +756,7 @@ TQString CallMapCallingItem::text(int textNo) const
     TraceCost* t = ((CallMapView*)widget())->totalCost();
     double p  = 100.0 * _factor * _c->subCost(ct) / t->subCost(ct);
     return TQString("%1 %")
-      .arg(p, 0, 'f', Configuration::percentPrecision());
+      .tqarg(p, 0, 'f', Configuration::percentPrecision());
   }
   return val.pretty();
 }
@@ -792,7 +792,7 @@ bool CallMapCallingItem::isMarked(int) const
 }
 
 
-TreeMapItemList* CallMapCallingItem::children()
+TreeMapItemList* CallMapCallingItem::tqchildren()
 {
   if (!initialized()) {
     if (0) qDebug("Create Calling subitems (%s)", path(0).join("/").ascii());
@@ -832,7 +832,7 @@ TreeMapItemList* CallMapCallingItem::children()
     setSorting(-2, false);
   }
 
-  return _children;
+  return _tqchildren;
 }
 
 
@@ -862,7 +862,7 @@ TQString CallMapCallerItem::text(int textNo) const
 
   if (textNo == 2) return _c->caller()->prettyLocation();
   if (textNo == 3) return SubCost(_factor * _c->callCount()).pretty();
-  if (textNo != 1) return TQString::null;
+  if (textNo != 1) return TQString();
 
   TraceCostType* ct;
   ct = ((CallMapView*)widget())->costType();
@@ -872,7 +872,7 @@ TQString CallMapCallerItem::text(int textNo) const
     TraceCost* t = ((CallMapView*)widget())->totalCost();
     double p  = 100.0 * _factor * _c->subCost(ct) / t->subCost(ct);
     return TQString("%1 %")
-      .arg(p, 0, 'f', Configuration::percentPrecision());
+      .tqarg(p, 0, 'f', Configuration::percentPrecision());
   }
   return val.pretty();
 }
@@ -904,7 +904,7 @@ bool CallMapCallerItem::isMarked(int) const
 }
 
 
-TreeMapItemList* CallMapCallerItem::children()
+TreeMapItemList* CallMapCallerItem::tqchildren()
 {
   if (!initialized()) {
     //qDebug("Create Caller subitems (%s)", name().ascii());
@@ -939,7 +939,7 @@ TreeMapItemList* CallMapCallerItem::children()
     setSorting(-2, false);
   }
 
-  return _children;
+  return _tqchildren;
 }
 
 TQColor CallMapCallerItem::backColor() const
diff --git a/kcachegrind/kcachegrind/callmapview.h b/kcachegrind/kcachegrind/callmapview.h
index e0af71f4..4bff8857 100644
--- a/kcachegrind/kcachegrind/callmapview.h
+++ b/kcachegrind/kcachegrind/callmapview.h
@@ -30,11 +30,12 @@
 class CallMapView: public TreeMapWidget, public TraceItemView
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
 
-  CallMapView(bool showCallers, TraceItemView* parentView,
-              TQWidget* parent=0, const char* name=0);
+  CallMapView(bool showCallers, TraceItemView* tqparentView,
+              TQWidget* tqparent=0, const char* name=0);
 
   TQWidget* widget() { return this; }
   TQString whatsThis() const;
@@ -77,7 +78,7 @@ public:
   bool isMarked(int) const;
   TQString text(int) const;
   TQPixmap pixmap(int) const;
-  TreeMapItemList* children();
+  TreeMapItemList* tqchildren();
   TQColor backColor() const;
 
 private:
@@ -98,7 +99,7 @@ public:
   bool isMarked(int) const;
   TQString text(int) const;
   TQPixmap pixmap(int) const;
-  TreeMapItemList* children();
+  TreeMapItemList* tqchildren();
   TQColor backColor() const;
 
 private:
@@ -117,7 +118,7 @@ public:
   bool isMarked(int) const;
   TQString text(int) const;
   TQPixmap pixmap(int) const;
-  TreeMapItemList* children();
+  TreeMapItemList* tqchildren();
   TQColor backColor() const;
 
 private:
diff --git a/kcachegrind/kcachegrind/callview.cpp b/kcachegrind/kcachegrind/callview.cpp
index 4f22b4e9..0329fefe 100644
--- a/kcachegrind/kcachegrind/callview.cpp
+++ b/kcachegrind/kcachegrind/callview.cpp
@@ -35,9 +35,9 @@
 //
 
 
-CallView::CallView(bool showCallers, TraceItemView* parentView,
-		   TQWidget* parent, const char* name)
-  : TQListView(parent, name), TraceItemView(parentView)
+CallView::CallView(bool showCallers, TraceItemView* tqparentView,
+		   TQWidget* tqparent, const char* name)
+  : TQListView(tqparent, name), TraceItemView(tqparentView)
 {
     _showCallers = showCallers;
 
@@ -53,9 +53,9 @@ CallView::CallView(bool showCallers, TraceItemView* parentView,
     }
 
     setSorting(0,false);
-    setColumnAlignment(0, Qt::AlignRight);
-    setColumnAlignment(1, Qt::AlignRight);
-    setColumnAlignment(2, Qt::AlignRight);
+    setColumnAlignment(0, TQt::AlignRight);
+    setColumnAlignment(1, TQt::AlignRight);
+    setColumnAlignment(2, TQt::AlignRight);
     setAllColumnsShowFocus(true);
     setResizeMode(TQListView::LastColumn);
     setMinimumHeight(50);
@@ -121,11 +121,11 @@ void CallView::context(TQListViewItem* i, const TQPoint & p, int col)
     cycle = f->cycle();
 
     popup.insertItem(i18n("Go to '%1'")
-		     .arg(Configuration::shortenSymbol(name)), 93);
+		     .tqarg(Configuration::shortenSymbol(name)), 93);
 
     if (cycle) {
 	name = Configuration::shortenSymbol(cycle->prettyName());
-	popup.insertItem(i18n("Go to '%1'").arg(name), 94);
+	popup.insertItem(i18n("Go to '%1'").tqarg(name), 94);
     }
 
     popup.insertSeparator();
diff --git a/kcachegrind/kcachegrind/callview.h b/kcachegrind/kcachegrind/callview.h
index e8d09050..9d20d95f 100644
--- a/kcachegrind/kcachegrind/callview.h
+++ b/kcachegrind/kcachegrind/callview.h
@@ -30,10 +30,11 @@
 class CallView: public TQListView, public TraceItemView
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  CallView(bool showCallers, TraceItemView* parentView,
-	   TQWidget* parent=0, const char* name=0);
+  CallView(bool showCallers, TraceItemView* tqparentView,
+	   TQWidget* tqparent=0, const char* name=0);
 
   virtual TQWidget* widget() { return this; }
   TQString whatsThis() const;
diff --git a/kcachegrind/kcachegrind/configdlg.cpp b/kcachegrind/kcachegrind/configdlg.cpp
index 79b8b79c..b401c8be 100644
--- a/kcachegrind/kcachegrind/configdlg.cpp
+++ b/kcachegrind/kcachegrind/configdlg.cpp
@@ -38,8 +38,8 @@
 
 
 ConfigDlg::ConfigDlg(Configuration* c, TraceData* data,
-                     TQWidget* parent, const char* name)
-  :ConfigDlgBase(parent, name)
+                     TQWidget* tqparent, const char* name)
+  :ConfigDlgBase(tqparent, name)
 {
   _config = c;
   _data = data;
@@ -127,15 +127,15 @@ ConfigDlg::ConfigDlg(Configuration* c, TraceData* data,
     TQString n = it.currentKey();
     if (n.startsWith(objectPrefix)) {
       n = n.remove(0, objectPrefix.length()+1);
-      if (oList.findIndex(n) == -1) oList.append(n);
+      if (oList.tqfindIndex(n) == -1) oList.append(n);
     }
     else if (n.startsWith(classPrefix)) {
       n = n.remove(0, classPrefix.length()+1);
-      if (cList.findIndex(n) == -1) cList.append(n);
+      if (cList.tqfindIndex(n) == -1) cList.append(n);
     }
     else if (n.startsWith(filePrefix)) {
       n = n.remove(0, filePrefix.length()+1);
-      if (fList.findIndex(n) == -1) fList.append(n);
+      if (fList.tqfindIndex(n) == -1) fList.append(n);
     }
   }
 
@@ -210,7 +210,7 @@ bool ConfigDlg::configure(Configuration* c, TraceData* d, TQWidget* p)
       TQMessageBox::warning(p, i18n("KCachegrind Configuration"),
                            i18n("The Maximum Number of List Items should be below 500."
                                 "The previous set value (%1) will still be used.")
-                           .arg(TQString::number(c->_maxListCount)),
+                           .tqarg(TQString::number(c->_maxListCount)),
                            TQMessageBox::Ok, 0);
 
     c->_maxSymbolCount = dlg.symbolCount->text().toInt();
@@ -340,7 +340,7 @@ void ConfigDlg::dirsItemChanged(TQListViewItem* i)
 void ConfigDlg::dirsDeletePressed()
 {
   if (!_dirItem || (_dirItem->depth() == 0)) return;
-  TQListViewItem* p = _dirItem->parent();
+  TQListViewItem* p = _dirItem->tqparent();
   if (!p) return;
 
   Configuration* c = Configuration::config();
@@ -379,7 +379,7 @@ void ConfigDlg::dirsAddPressed()
   }
 
   TQString newDir;
-  newDir = KFileDialog::getExistingDirectory(TQString::null,
+  newDir = KFileDialog::getExistingDirectory(TQString(),
                                              this,
                                              i18n("Choose Source Folder"));
   if (newDir.isEmpty()) return;
@@ -388,7 +388,7 @@ void ConfigDlg::dirsAddPressed()
   if (newDir.endsWith("/"))
     newDir = newDir.left(newDir.length()-1);
 
-  if (dirs->findIndex(newDir)>=0) return;
+  if (dirs->tqfindIndex(newDir)>=0) return;
 
   dirs->append(newDir);
   if (newDir.isEmpty()) newDir = TQString("/");
diff --git a/kcachegrind/kcachegrind/configdlg.h b/kcachegrind/kcachegrind/configdlg.h
index 521caf15..58c9b80d 100644
--- a/kcachegrind/kcachegrind/configdlg.h
+++ b/kcachegrind/kcachegrind/configdlg.h
@@ -31,10 +31,11 @@ class TraceData;
 class ConfigDlg : public ConfigDlgBase
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
   ConfigDlg(Configuration*, TraceData*,
-            TQWidget* parent = 0, const char* name = 0);
+            TQWidget* tqparent = 0, const char* name = 0);
   ~ConfigDlg();
 
   static bool configure(Configuration*, TraceData*, TQWidget*);
diff --git a/kcachegrind/kcachegrind/configdlgbase.ui b/kcachegrind/kcachegrind/configdlgbase.ui
index bf2c1bd8..d6546b28 100644
--- a/kcachegrind/kcachegrind/configdlgbase.ui
+++ b/kcachegrind/kcachegrind/configdlgbase.ui
@@ -1,10 +1,10 @@
 <!DOCTYPE UI><UI version="3.1" stdsetdef="1">
 <class>ConfigDlgBase</class>
-<widget class="QDialog">
+<widget class="TQDialog">
     <property name="name">
         <cstring>configDlgBase</cstring>
     </property>
-    <property name="geometry">
+    <property name="tqgeometry">
         <rect>
             <x>0</x>
             <y>0</y>
@@ -25,11 +25,11 @@
         <property name="spacing">
             <number>6</number>
         </property>
-        <widget class="QTabWidget">
+        <widget class="TQTabWidget">
             <property name="name">
                 <cstring>tabWidget2</cstring>
             </property>
-            <widget class="QWidget">
+            <widget class="TQWidget">
                 <property name="name">
                     <cstring>tab</cstring>
                 </property>
@@ -40,15 +40,15 @@
                     <property name="name">
                         <cstring>unnamed</cstring>
                     </property>
-                    <widget class="QLayoutWidget">
+                    <widget class="TQLayoutWidget">
                         <property name="name">
-                            <cstring>layout10</cstring>
+                            <cstring>tqlayout10</cstring>
                         </property>
                         <grid>
                             <property name="name">
                                 <cstring>unnamed</cstring>
                             </property>
-                            <widget class="QLineEdit" row="3" column="2" rowspan="1" colspan="2">
+                            <widget class="TQLineEdit" row="3" column="2" rowspan="1" colspan="2">
                                 <property name="name">
                                     <cstring>precisionEdit</cstring>
                                 </property>
@@ -61,7 +61,7 @@
                                     </sizepolicy>
                                 </property>
                             </widget>
-                            <widget class="QLabel" row="2" column="1">
+                            <widget class="TQLabel" row="2" column="1">
                                 <property name="name">
                                     <cstring>TextLabel2</cstring>
                                 </property>
@@ -69,7 +69,7 @@
                                     <string>Truncated when more/longer than:</string>
                                 </property>
                             </widget>
-                            <widget class="QLabel" row="3" column="0" rowspan="1" colspan="2">
+                            <widget class="TQLabel" row="3" column="0" rowspan="1" colspan="2">
                                 <property name="name">
                                     <cstring>TextLabel4_3</cstring>
                                 </property>
@@ -77,7 +77,7 @@
                                     <string>Precision of percentage values:</string>
                                 </property>
                             </widget>
-                            <widget class="QLabel" row="1" column="0" rowspan="1" colspan="3">
+                            <widget class="TQLabel" row="1" column="0" rowspan="1" colspan="3">
                                 <property name="name">
                                     <cstring>TextLabel3</cstring>
                                 </property>
@@ -85,7 +85,7 @@
                                     <string>Symbols in tooltips and context menus</string>
                                 </property>
                             </widget>
-                            <widget class="QLineEdit" row="2" column="3">
+                            <widget class="TQLineEdit" row="2" column="3">
                                 <property name="name">
                                     <cstring>symbolLength</cstring>
                                 </property>
@@ -108,19 +108,19 @@
                                 <property name="sizeType">
                                     <enum>Fixed</enum>
                                 </property>
-                                <property name="sizeHint">
+                                <property name="tqsizeHint">
                                     <size>
                                         <width>16</width>
                                         <height>20</height>
                                     </size>
                                 </property>
                             </spacer>
-                            <widget class="QLineEdit" row="0" column="2" rowspan="1" colspan="2">
+                            <widget class="TQLineEdit" row="0" column="2" rowspan="1" colspan="2">
                                 <property name="name">
                                     <cstring>maxListEdit</cstring>
                                 </property>
                             </widget>
-                            <widget class="QLineEdit" row="2" column="2">
+                            <widget class="TQLineEdit" row="2" column="2">
                                 <property name="name">
                                     <cstring>symbolCount</cstring>
                                 </property>
@@ -133,7 +133,7 @@
                                     </sizepolicy>
                                 </property>
                             </widget>
-                            <widget class="QLabel" row="0" column="0" rowspan="1" colspan="2">
+                            <widget class="TQLabel" row="0" column="0" rowspan="1" colspan="2">
                                 <property name="name">
                                     <cstring>TextLabel5</cstring>
                                 </property>
@@ -143,7 +143,7 @@
                             </widget>
                         </grid>
                     </widget>
-                    <widget class="QLabel">
+                    <widget class="TQLabel">
                         <property name="name">
                             <cstring>TextLabel1</cstring>
                         </property>
@@ -162,7 +162,7 @@
                             <string>Cost Item Colors</string>
                         </property>
                     </widget>
-                    <widget class="QLayoutWidget">
+                    <widget class="TQLayoutWidget">
                         <property name="name">
                             <cstring>Layout9</cstring>
                         </property>
@@ -186,7 +186,7 @@
                                 <property name="sizeType">
                                     <enum>Fixed</enum>
                                 </property>
-                                <property name="sizeHint">
+                                <property name="tqsizeHint">
                                     <size>
                                         <width>20</width>
                                         <height>16</height>
@@ -203,14 +203,14 @@
                                 <property name="sizeType">
                                     <enum>Fixed</enum>
                                 </property>
-                                <property name="sizeHint">
+                                <property name="tqsizeHint">
                                     <size>
                                         <width>16</width>
                                         <height>20</height>
                                     </size>
                                 </property>
                             </spacer>
-                            <widget class="QLayoutWidget" row="0" column="1">
+                            <widget class="TQLayoutWidget" row="0" column="1">
                                 <property name="name">
                                     <cstring>Layout9</cstring>
                                 </property>
@@ -224,11 +224,11 @@
                                     <property name="spacing">
                                         <number>6</number>
                                     </property>
-                                    <widget class="QComboBox" row="1" column="1">
+                                    <widget class="TQComboBox" row="1" column="1">
                                         <property name="name">
                                             <cstring>classCombo</cstring>
                                         </property>
-                                        <property name="maximumSize">
+                                        <property name="tqmaximumSize">
                                             <size>
                                                 <width>300</width>
                                                 <height>32767</height>
@@ -238,7 +238,7 @@
                                             <bool>true</bool>
                                         </property>
                                     </widget>
-                                    <widget class="QCheckBox" row="2" column="2">
+                                    <widget class="TQCheckBox" row="2" column="2">
                                         <property name="name">
                                             <cstring>fileCheck</cstring>
                                         </property>
@@ -246,7 +246,7 @@
                                             <string>Automatic</string>
                                         </property>
                                     </widget>
-                                    <widget class="QLabel" row="0" column="0">
+                                    <widget class="TQLabel" row="0" column="0">
                                         <property name="name">
                                             <cstring>TextLabel4</cstring>
                                         </property>
@@ -254,7 +254,7 @@
                                             <string>Object:</string>
                                         </property>
                                     </widget>
-                                    <widget class="QLabel" row="1" column="0">
+                                    <widget class="TQLabel" row="1" column="0">
                                         <property name="name">
                                             <cstring>TextLabel4_2_2</cstring>
                                         </property>
@@ -278,7 +278,7 @@
                                             <string></string>
                                         </property>
                                     </widget>
-                                    <widget class="QCheckBox" row="1" column="2">
+                                    <widget class="TQCheckBox" row="1" column="2">
                                         <property name="name">
                                             <cstring>classCheck</cstring>
                                         </property>
@@ -294,7 +294,7 @@
                                             <string></string>
                                         </property>
                                     </widget>
-                                    <widget class="QCheckBox" row="0" column="2">
+                                    <widget class="TQCheckBox" row="0" column="2">
                                         <property name="name">
                                             <cstring>objectCheck</cstring>
                                         </property>
@@ -302,7 +302,7 @@
                                             <string>Automatic</string>
                                         </property>
                                     </widget>
-                                    <widget class="QLabel" row="2" column="0">
+                                    <widget class="TQLabel" row="2" column="0">
                                         <property name="name">
                                             <cstring>TextLabel4_2</cstring>
                                         </property>
@@ -326,11 +326,11 @@
                                             <string></string>
                                         </property>
                                     </widget>
-                                    <widget class="QComboBox" row="2" column="1">
+                                    <widget class="TQComboBox" row="2" column="1">
                                         <property name="name">
                                             <cstring>fileCombo</cstring>
                                         </property>
-                                        <property name="maximumSize">
+                                        <property name="tqmaximumSize">
                                             <size>
                                                 <width>300</width>
                                                 <height>32767</height>
@@ -340,7 +340,7 @@
                                             <bool>true</bool>
                                         </property>
                                     </widget>
-                                    <widget class="QComboBox" row="0" column="1">
+                                    <widget class="TQComboBox" row="0" column="1">
                                         <property name="name">
                                             <cstring>objectCombo</cstring>
                                         </property>
@@ -352,7 +352,7 @@
                                                 <verstretch>0</verstretch>
                                             </sizepolicy>
                                         </property>
-                                        <property name="maximumSize">
+                                        <property name="tqmaximumSize">
                                             <size>
                                                 <width>300</width>
                                                 <height>32767</height>
@@ -368,7 +368,7 @@
                     </widget>
                 </vbox>
             </widget>
-            <widget class="QWidget">
+            <widget class="TQWidget">
                 <property name="name">
                     <cstring>tab</cstring>
                 </property>
@@ -379,15 +379,15 @@
                     <property name="name">
                         <cstring>unnamed</cstring>
                     </property>
-                    <widget class="QLayoutWidget">
+                    <widget class="TQLayoutWidget">
                         <property name="name">
-                            <cstring>layout8</cstring>
+                            <cstring>tqlayout8</cstring>
                         </property>
                         <hbox>
                             <property name="name">
                                 <cstring>unnamed</cstring>
                             </property>
-                            <widget class="QLabel">
+                            <widget class="TQLabel">
                                 <property name="name">
                                     <cstring>TextLabel4_3_2</cstring>
                                 </property>
@@ -395,7 +395,7 @@
                                     <string>Context lines in annotations:</string>
                                 </property>
                             </widget>
-                            <widget class="QLineEdit">
+                            <widget class="TQLineEdit">
                                 <property name="name">
                                     <cstring>contextEdit</cstring>
                                 </property>
@@ -410,7 +410,7 @@
                             </widget>
                         </hbox>
                     </widget>
-                    <widget class="QLabel">
+                    <widget class="TQLabel">
                         <property name="name">
                             <cstring>TextLabel1_2</cstring>
                         </property>
@@ -423,9 +423,9 @@
                             <string>Source Folders</string>
                         </property>
                     </widget>
-                    <widget class="QLayoutWidget">
+                    <widget class="TQLayoutWidget">
                         <property name="name">
-                            <cstring>layout11</cstring>
+                            <cstring>tqlayout11</cstring>
                         </property>
                         <grid>
                             <property name="name">
@@ -441,14 +441,14 @@
                                 <property name="sizeType">
                                     <enum>Fixed</enum>
                                 </property>
-                                <property name="sizeHint">
+                                <property name="tqsizeHint">
                                     <size>
                                         <width>16</width>
                                         <height>20</height>
                                     </size>
                                 </property>
                             </spacer>
-                            <widget class="QListView" row="0" column="1">
+                            <widget class="TQListView" row="0" column="1">
                                 <column>
                                     <property name="text">
                                         <string>Object / Related Source Base</string>
@@ -467,15 +467,15 @@
                                     <bool>true</bool>
                                 </property>
                             </widget>
-                            <widget class="QLayoutWidget" row="0" column="2">
+                            <widget class="TQLayoutWidget" row="0" column="2">
                                 <property name="name">
-                                    <cstring>layout10</cstring>
+                                    <cstring>tqlayout10</cstring>
                                 </property>
                                 <vbox>
                                     <property name="name">
                                         <cstring>unnamed</cstring>
                                     </property>
-                                    <widget class="QPushButton">
+                                    <widget class="TQPushButton">
                                         <property name="name">
                                             <cstring>addDirButton</cstring>
                                         </property>
@@ -493,14 +493,14 @@
                                         <property name="sizeType">
                                             <enum>Expanding</enum>
                                         </property>
-                                        <property name="sizeHint">
+                                        <property name="tqsizeHint">
                                             <size>
                                                 <width>16</width>
                                                 <height>49</height>
                                             </size>
                                         </property>
                                     </spacer>
-                                    <widget class="QPushButton">
+                                    <widget class="TQPushButton">
                                         <property name="name">
                                             <cstring>deleteDirButton</cstring>
                                         </property>
@@ -520,7 +520,7 @@
                                 <property name="sizeType">
                                     <enum>Fixed</enum>
                                 </property>
-                                <property name="sizeHint">
+                                <property name="tqsizeHint">
                                     <size>
                                         <width>20</width>
                                         <height>16</height>
@@ -546,7 +546,7 @@
                 <enum>Horizontal</enum>
             </property>
         </widget>
-        <widget class="QLayoutWidget">
+        <widget class="TQLayoutWidget">
             <property name="name">
                 <cstring>Layout4</cstring>
             </property>
@@ -570,14 +570,14 @@
                     <property name="sizeType">
                         <enum>Expanding</enum>
                     </property>
-                    <property name="sizeHint">
+                    <property name="tqsizeHint">
                         <size>
                             <width>210</width>
                             <height>0</height>
                         </size>
                     </property>
                 </spacer>
-                <widget class="QPushButton">
+                <widget class="TQPushButton">
                     <property name="name">
                         <cstring>PushButton2</cstring>
                     </property>
@@ -588,7 +588,7 @@
                         <bool>true</bool>
                     </property>
                 </widget>
-                <widget class="QPushButton">
+                <widget class="TQPushButton">
                     <property name="name">
                         <cstring>PushButton1</cstring>
                     </property>
@@ -649,5 +649,5 @@
     <include location="global" impldecl="in implementation">kcolorbutton.h</include>
 </includes>
 <pixmapinproject/>
-<layoutdefaults spacing="6" margin="11"/>
+<tqlayoutdefaults spacing="6" margin="11"/>
 </UI>
diff --git a/kcachegrind/kcachegrind/configuration.cpp b/kcachegrind/kcachegrind/configuration.cpp
index 1a6c4d58..66abd563 100644
--- a/kcachegrind/kcachegrind/configuration.cpp
+++ b/kcachegrind/kcachegrind/configuration.cpp
@@ -55,7 +55,7 @@ static TQString knownFormula(TQString name)
   if (name =="L2m") return TQString("I2mr + D2mr + D2mw");
   if (name =="CEst") return TQString("Ir + 10 L1m + 100 L2m");
 
-  return TQString::null;
+  return TQString();
 }
 
 static TQString knownLongName(TQString name)
@@ -76,7 +76,7 @@ static TQString knownLongName(TQString name)
     if (name =="L2m") return i18n("L2 Miss Sum");
     if (name =="CEst") return i18n("Cycle Estimation");
 
-    return TQString::null;
+    return TQString();
 }
 
 
@@ -132,9 +132,9 @@ void Configuration::saveOptions(KConfig* kconfig)
   int count = 1;
   for( ; it.current(); ++it ) {
     if ( !(*it)->automatic ) {
-      colorConfig.writeEntry( TQString("Name%1").arg(count),
+      colorConfig.writeEntry( TQString("Name%1").tqarg(count),
                               it.currentKey());
-      colorConfig.writeEntry( TQString("Color%1").arg(count),
+      colorConfig.writeEntry( TQString("Color%1").tqarg(count),
                               (*it)->color);
       //qDebug("Written Color %s (%d)", it.currentKey().ascii(), count);
 
@@ -149,9 +149,9 @@ void Configuration::saveOptions(KConfig* kconfig)
   TQDictIterator<TQStringList> it2( c->_objectSourceDirs );
   count = 1;
   for( ; it2.current(); ++it2 ) {
-    sourceConfig.writeEntry( TQString("Object%1").arg(count),
+    sourceConfig.writeEntry( TQString("Object%1").tqarg(count),
 			     it2.currentKey());
-    sourceConfig.writeEntry( TQString("Dirs%1").arg(count),
+    sourceConfig.writeEntry( TQString("Dirs%1").tqarg(count),
 			     *(*it2), ':');
     count++;
   }
@@ -176,15 +176,15 @@ void Configuration::saveOptions(KConfig* kconfig)
   ctConfig.writeEntry( "Count", ctCount);
   for (int i=0; i<ctCount; i++) {
     TraceCostType* t = TraceCostType::knownType(i);
-    ctConfig.writeEntry( TQString("Name%1").arg(i+1), t->name());
+    ctConfig.writeEntry( TQString("Name%1").tqarg(i+1), t->name());
 
     // Use localized key
     TraceItemView::writeConfigEntry(&ctConfig,
-                                    TQString("Longname%1").arg(i+1).ascii(),
+                                    TQString("Longname%1").tqarg(i+1).ascii(),
                                     t->longName(),
                                     knownLongName(t->name()).utf8().data() /*, true */ );
     TraceItemView::writeConfigEntry(&ctConfig,
-                                    TQString("Formula%1").arg(i+1).ascii(),
+                                    TQString("Formula%1").tqarg(i+1).ascii(),
                                     t->formula(), knownFormula(t->name()).utf8().data());
   }
 }
@@ -217,8 +217,8 @@ void Configuration::readOptions(KConfig* kconfig)
   KConfigGroup colorConfig(kconfig, TQCString("CostColors"));
   count = colorConfig.readNumEntry("Count", 0);
   for (i=1;i<=count;i++) {
-    TQString n = colorConfig.readEntry(TQString("Name%1").arg(i));
-    TQColor color = colorConfig.readColorEntry(TQString("Color%1").arg(i));
+    TQString n = colorConfig.readEntry(TQString("Name%1").tqarg(i));
+    TQColor color = colorConfig.readColorEntry(TQString("Color%1").tqarg(i));
 
     if (n.isEmpty()) continue;
 
@@ -241,8 +241,8 @@ void Configuration::readOptions(KConfig* kconfig)
   c->_objectSourceDirs.clear();
   if (count>17) c->_objectSourceDirs.resize(count);
   for (i=1;i<=count;i++) {
-    TQString n = sourceConfig.readEntry(TQString("Object%1").arg(i));
-    dirs = sourceConfig.readListEntry(TQString("Dirs%1").arg(i), ':');
+    TQString n = sourceConfig.readEntry(TQString("Object%1").tqarg(i));
+    dirs = sourceConfig.readListEntry(TQString("Dirs%1").tqarg(i), ':');
 
     if (n.isEmpty() || (dirs.count()==0)) continue;
 
@@ -271,10 +271,10 @@ void Configuration::readOptions(KConfig* kconfig)
     int ctCount = ctConfig.readNumEntry("Count", 0);
     if (ctCount>0) {
       for (int i=1;i<=ctCount;i++) {
-        TQString n = ctConfig.readEntry(TQString("Name%1").arg(i));
-        TQString l = ctConfig.readEntry(TQString("Longname%1").arg(i));
+        TQString n = ctConfig.readEntry(TQString("Name%1").tqarg(i));
+        TQString l = ctConfig.readEntry(TQString("Longname%1").tqarg(i));
 	if (l.isEmpty()) l = knownLongName(n);
-        TQString f = ctConfig.readEntry(TQString("Formula%1").arg(i));
+        TQString f = ctConfig.readEntry(TQString("Formula%1").tqarg(i));
 	if (f.isEmpty()) f = knownFormula(n);
 
         TraceCostType::add(new TraceCostType(n, l, f));
@@ -316,7 +316,7 @@ TQColor Configuration::costTypeColor(TraceCostType* t)
    if (!t)
      n = TQString("CostType-default");
    else
-     n = TQString("CostType-%1").arg(t->name());
+     n = TQString("CostType-%1").tqarg(t->name());
 
    return color(n)->color;
 }
diff --git a/kcachegrind/kcachegrind/costlistitem.cpp b/kcachegrind/kcachegrind/costlistitem.cpp
index 1e777b05..91caea4b 100644
--- a/kcachegrind/kcachegrind/costlistitem.cpp
+++ b/kcachegrind/kcachegrind/costlistitem.cpp
@@ -33,9 +33,9 @@
 // CostListItem
 
 
-CostListItem::CostListItem(TQListView* parent, TraceCostItem* costItem,
+CostListItem::CostListItem(TQListView* tqparent, TraceCostItem* costItem,
                            TraceCostType* ct, int size)
-  :TQListViewItem(parent)
+  :TQListViewItem(tqparent)
 {
   _groupSize = size;
   _skipped = 0;
@@ -49,9 +49,9 @@ CostListItem::CostListItem(TQListView* parent, TraceCostItem* costItem,
   }
 }
 
-CostListItem::CostListItem(TQListView* parent, int skipped,
+CostListItem::CostListItem(TQListView* tqparent, int skipped,
 			   TraceCostItem* costItem, TraceCostType* ct)
-  :TQListViewItem(parent)
+  :TQListViewItem(tqparent)
 {
   _skipped = skipped;
   _costItem = costItem;
@@ -71,7 +71,7 @@ void CostListItem::updateName()
   if (!_costItem) return;
 
   TQString n = _costItem->prettyName();
-  if (_groupSize>=0) n += TQString(" (%1)").arg(_groupSize);
+  if (_groupSize>=0) n += TQString(" (%1)").tqarg(_groupSize);
 
   setText(1, n);
 }
@@ -98,13 +98,13 @@ void CostListItem::update()
   double pure  = 100.0 * _pure / total;
   TQString str;
   if (Configuration::showPercentage())
-    str = TQString("%1").arg(pure, 0, 'f', Configuration::percentPrecision());
+    str = TQString("%1").tqarg(pure, 0, 'f', Configuration::percentPrecision());
   else
     str = _costItem->prettySubCost(_costType);
 
   if (_skipped) {
     // special handling for skip entries...
-    setText(0, TQString("< %1").arg(str));
+    setText(0, TQString("< %1").tqarg(str));
     return;
   }
 
diff --git a/kcachegrind/kcachegrind/costlistitem.h b/kcachegrind/kcachegrind/costlistitem.h
index 6c1ccbc8..b5607ce6 100644
--- a/kcachegrind/kcachegrind/costlistitem.h
+++ b/kcachegrind/kcachegrind/costlistitem.h
@@ -22,13 +22,13 @@
 #include <tqlistview.h>
 #include "tracedata.h"
 
-class CostListItem: public QListViewItem
+class CostListItem: public TQListViewItem
 {
 public:
-  CostListItem(TQListView* parent, TraceCostItem* cost,
+  CostListItem(TQListView* tqparent, TraceCostItem* cost,
                TraceCostType* ct, int size = -1);
   // entry with multiple skipped items
-  CostListItem(TQListView* parent, int skipped, TraceCostItem* cost,
+  CostListItem(TQListView* tqparent, int skipped, TraceCostItem* cost,
                TraceCostType* ct);
 
   int compare(TQListViewItem * i, int col, bool ascending ) const;
@@ -45,7 +45,7 @@ private:
   TraceCostItem* _costItem;
   // >0 only for last item in list, if items are skipped 
   int _skipped;
-  // number of items in group, is put in parenthesis after name
+  // number of items in group, is put in tqparenthesis after name
   int _groupSize;
 };
 
diff --git a/kcachegrind/kcachegrind/costtypeitem.cpp b/kcachegrind/kcachegrind/costtypeitem.cpp
index dc35cb2b..cf71a3a9 100644
--- a/kcachegrind/kcachegrind/costtypeitem.cpp
+++ b/kcachegrind/kcachegrind/costtypeitem.cpp
@@ -31,9 +31,9 @@
 // CostTypeItem
 
 
-CostTypeItem::CostTypeItem(TQListView* parent, TraceCostItem* costItem,
+CostTypeItem::CostTypeItem(TQListView* tqparent, TraceCostItem* costItem,
                            TraceCostType* ct, TraceCost::CostType gt)
-  :TQListViewItem(parent)
+  :TQListViewItem(tqparent)
 {
   _costItem = costItem;
   _costType = ct;
@@ -104,7 +104,7 @@ void CostTypeItem::update()
   double pure  = 100.0 * _pure / selfTotal;
   if (Configuration::showPercentage()) {
     setText(2, TQString("%1")
-            .arg(pure, 0, 'f', Configuration::percentPrecision()));
+            .tqarg(pure, 0, 'f', Configuration::percentPrecision()));
   }
   else
     setText(2, _costItem->prettySubCost(_costType));
@@ -121,7 +121,7 @@ void CostTypeItem::update()
   double sum  = 100.0 * _sum / total;
   if (Configuration::showPercentage()) {
     setText(1, TQString("%1")
-            .arg(sum, 0, 'f', Configuration::percentPrecision()));
+            .tqarg(sum, 0, 'f', Configuration::percentPrecision()));
   }
   else
     setText(1, _sum.pretty());
diff --git a/kcachegrind/kcachegrind/costtypeitem.h b/kcachegrind/kcachegrind/costtypeitem.h
index 7593151e..6bf60fa8 100644
--- a/kcachegrind/kcachegrind/costtypeitem.h
+++ b/kcachegrind/kcachegrind/costtypeitem.h
@@ -27,10 +27,10 @@
 #include "tracedata.h"
 
 
-class CostTypeItem: public QListViewItem
+class CostTypeItem: public TQListViewItem
 {
 public:
-  CostTypeItem(TQListView* parent, TraceCostItem* costItem,
+  CostTypeItem(TQListView* tqparent, TraceCostItem* costItem,
                TraceCostType* ct, TraceCost::CostType gt);
 
   int compare(TQListViewItem * i, int col, bool ascending ) const;
diff --git a/kcachegrind/kcachegrind/costtypeview.cpp b/kcachegrind/kcachegrind/costtypeview.cpp
index 6642e7af..28558f6c 100644
--- a/kcachegrind/kcachegrind/costtypeview.cpp
+++ b/kcachegrind/kcachegrind/costtypeview.cpp
@@ -35,22 +35,22 @@
 //
 
 
-CostTypeView::CostTypeView(TraceItemView* parentView,
-			   TQWidget* parent, const char* name)
-  : TQListView(parent, name), TraceItemView(parentView)
+CostTypeView::CostTypeView(TraceItemView* tqparentView,
+			   TQWidget* tqparent, const char* name)
+  : TQListView(tqparent, name), TraceItemView(tqparentView)
 {
     addColumn( i18n( "Event Type" ) );
     addColumn( i18n( "Incl." ) );
     addColumn( i18n( "Self" ) );
     addColumn( i18n( "Short" ) );
-    addColumn( TQString::null );
+    addColumn( TQString() );
     addColumn( i18n( "Formula" ) );
 
     setSorting(-1);
     setAllColumnsShowFocus(true);
-    setColumnAlignment(1, Qt::AlignRight);
-    setColumnAlignment(2, Qt::AlignRight);
-    setColumnAlignment(3, Qt::AlignRight);
+    setColumnAlignment(1, TQt::AlignRight);
+    setColumnAlignment(2, TQt::AlignRight);
+    setColumnAlignment(3, TQt::AlignRight);
     setMinimumHeight(50);
 
     connect( this,
@@ -146,13 +146,13 @@ void CostTypeView::context(TQListViewItem* i, const TQPoint & p, int)
   else if (r == 97) {
     int i = 1;
     while(1) {
-      if (!TraceCostType::knownVirtualType(i18n("New%1").arg(i)))
+      if (!TraceCostType::knownVirtualType(i18n("New%1").tqarg(i)))
 	break;
       i++;
     }
     // add same new cost type to this mapping and to known types
-    TQString shortName = i18n("New%1").arg(i);
-    TQString longName  = i18n("New Cost Type %1").arg(i);
+    TQString shortName = i18n("New%1").tqarg(i);
+    TQString longName  = i18n("New Cost Type %1").tqarg(i);
     TraceCostType::add(new TraceCostType(shortName, longName, "0"));
     _data->mapping()->add(new TraceCostType(shortName, longName, "0"));
     refresh();
diff --git a/kcachegrind/kcachegrind/costtypeview.h b/kcachegrind/kcachegrind/costtypeview.h
index 63d95ea7..3a68a6c7 100644
--- a/kcachegrind/kcachegrind/costtypeview.h
+++ b/kcachegrind/kcachegrind/costtypeview.h
@@ -30,10 +30,11 @@
 class CostTypeView: public TQListView, public TraceItemView
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  CostTypeView(TraceItemView* parentView,
-	       TQWidget* parent=0, const char* name=0);
+  CostTypeView(TraceItemView* tqparentView,
+	       TQWidget* tqparent=0, const char* name=0);
 
   virtual TQWidget* widget() { return this; }
   TQString whatsThis() const;
diff --git a/kcachegrind/kcachegrind/coverage.cpp b/kcachegrind/kcachegrind/coverage.cpp
index 86e6f7ff..dc4a9764 100644
--- a/kcachegrind/kcachegrind/coverage.cpp
+++ b/kcachegrind/kcachegrind/coverage.cpp
@@ -81,7 +81,7 @@ int Coverage::selfMedian()
 TraceFunctionList Coverage::coverage(TraceFunction* f, CoverageMode m,
                                       TraceCostType* ct)
 {
-  invalidate(f->data(), Coverage::Rtti);
+  tqinvalidate(f->data(), Coverage::Rtti);
 
   _costType = ct;
 
diff --git a/kcachegrind/kcachegrind/coverageitem.cpp b/kcachegrind/kcachegrind/coverageitem.cpp
index 3c93a88e..ab872f71 100644
--- a/kcachegrind/kcachegrind/coverageitem.cpp
+++ b/kcachegrind/kcachegrind/coverageitem.cpp
@@ -32,11 +32,11 @@
 // CallerCoverageItem
 
 
-CallerCoverageItem::CallerCoverageItem(TQListView* parent, Coverage* c,
+CallerCoverageItem::CallerCoverageItem(TQListView* tqparent, Coverage* c,
                                        TraceFunction* base,
                                        TraceCostType* ct,
                                        TraceCost::CostType gt)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _skipped = 0;
   _coverage = c;
@@ -50,11 +50,11 @@ CallerCoverageItem::CallerCoverageItem(TQListView* parent, Coverage* c,
   setGroupType(gt);
 }
 
-CallerCoverageItem::CallerCoverageItem(TQListView* parent, int skipped, Coverage* c,
+CallerCoverageItem::CallerCoverageItem(TQListView* tqparent, int skipped, Coverage* c,
                                        TraceFunction* base,
                                        TraceCostType* ct,
                                        TraceCost::CostType gt)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _skipped = skipped;
   _coverage = c;
@@ -87,8 +87,8 @@ void CallerCoverageItem::setCostType(TraceCostType* ct)
 void CallerCoverageItem::update()
 {
   if (!_coverage) {
-    setText(0, TQString::null);
-    setText(1, TQString::null);
+    setText(0, TQString());
+    setText(1, TQString());
     return;
   }
 
@@ -97,12 +97,12 @@ void CallerCoverageItem::update()
   _sum = SubCost(realSum * _coverage->inclusive());
   TQString str;
   if (Configuration::showPercentage())
-    str = TQString("%1").arg(_pSum, 0, 'f', Configuration::percentPrecision());
+    str = TQString("%1").tqarg(_pSum, 0, 'f', Configuration::percentPrecision());
   else
     str = _sum.pretty();
 
   if (_skipped) {
-    setText(0, TQString("< %1").arg(str));
+    setText(0, TQString("< %1").tqarg(str));
     return;
   }
 
@@ -121,9 +121,9 @@ void CallerCoverageItem::update()
     distString = TQString::number(_distance);
   else
     distString = TQString("%1-%2 (%3)")
-                 .arg(_coverage->minDistance())
-                 .arg(_coverage->maxDistance())
-                 .arg(_distance);
+                 .tqarg(_coverage->minDistance())
+                 .tqarg(_coverage->maxDistance())
+                 .tqarg(_distance);
   setText(1, distString);
 }
 
@@ -172,11 +172,11 @@ int CallerCoverageItem::compare(TQListViewItem * i,
 // CalleeCoverageItem
 
 
-CalleeCoverageItem::CalleeCoverageItem(TQListView* parent, Coverage* c,
+CalleeCoverageItem::CalleeCoverageItem(TQListView* tqparent, Coverage* c,
                                        TraceFunction* base,
                                        TraceCostType* ct,
                                        TraceCost::CostType gt)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _skipped = 0;
   _coverage = c;
@@ -190,11 +190,11 @@ CalleeCoverageItem::CalleeCoverageItem(TQListView* parent, Coverage* c,
   setGroupType(gt);
 }
 
-CalleeCoverageItem::CalleeCoverageItem(TQListView* parent, int skipped, Coverage* c,
+CalleeCoverageItem::CalleeCoverageItem(TQListView* tqparent, int skipped, Coverage* c,
                                        TraceFunction* base,
                                        TraceCostType* ct,
                                        TraceCost::CostType gt)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _skipped = skipped;
   _coverage = c;
@@ -227,9 +227,9 @@ void CalleeCoverageItem::setCostType(TraceCostType* ct)
 void CalleeCoverageItem::update()
 {
   if (!_coverage) {
-    setText(0, TQString::null);
-    setText(1, TQString::null);
-    setText(2, TQString::null);
+    setText(0, TQString());
+    setText(1, TQString());
+    setText(2, TQString());
     return;
   }
 
@@ -242,12 +242,12 @@ void CalleeCoverageItem::update()
 
   TQString str;
   if (Configuration::showPercentage())
-    str = TQString("%1").arg(_pSum, 0, 'f', Configuration::percentPrecision());
+    str = TQString("%1").tqarg(_pSum, 0, 'f', Configuration::percentPrecision());
   else
     str = _sum.pretty();
 
   if (_skipped) {
-    str = TQString("< %1").arg(str);
+    str = TQString("< %1").tqarg(str);
     setText(0, str);
     setText(1, str);
     return;
@@ -259,7 +259,7 @@ void CalleeCoverageItem::update()
 
  if (Configuration::showPercentage()) {
     setText(1, TQString("%1")
-            .arg(_pSelf, 0, 'f', Configuration::percentPrecision()));
+            .tqarg(_pSelf, 0, 'f', Configuration::percentPrecision()));
   }
   else {
     setText(1, _self.pretty());
@@ -285,12 +285,12 @@ void CalleeCoverageItem::update()
     if (_distance == sMed)
       med = TQString::number(_distance);
     else
-      med = TQString("%1/%2").arg(_distance).arg(sMed);
+      med = TQString("%1/%2").tqarg(_distance).tqarg(sMed);
 
     distString = TQString("%1-%2 (%3)")
-                 .arg(_coverage->minDistance())
-                 .arg(_coverage->maxDistance())
-                 .arg(med);
+                 .tqarg(_coverage->minDistance())
+                 .tqarg(_coverage->maxDistance())
+                 .tqarg(med);
   }
   setText(2, distString);
 }
diff --git a/kcachegrind/kcachegrind/coverageitem.h b/kcachegrind/kcachegrind/coverageitem.h
index 29666890..04da4305 100644
--- a/kcachegrind/kcachegrind/coverageitem.h
+++ b/kcachegrind/kcachegrind/coverageitem.h
@@ -28,12 +28,12 @@
 
 class Coverage;
 
-class CallerCoverageItem: public QListViewItem
+class CallerCoverageItem: public TQListViewItem
 {
 public:
-  CallerCoverageItem(TQListView* parent, Coverage* c, TraceFunction* base,
+  CallerCoverageItem(TQListView* tqparent, Coverage* c, TraceFunction* base,
                      TraceCostType* ct, TraceCost::CostType gt);
-  CallerCoverageItem(TQListView* parent, int skipped, Coverage* c, TraceFunction* base,
+  CallerCoverageItem(TQListView* tqparent, int skipped, Coverage* c, TraceFunction* base,
                      TraceCostType* ct, TraceCost::CostType gt);
 
   int compare(TQListViewItem * i, int col, bool ascending ) const;
@@ -54,12 +54,12 @@ private:
 };
 
 
-class CalleeCoverageItem: public QListViewItem
+class CalleeCoverageItem: public TQListViewItem
 {
 public:
-  CalleeCoverageItem(TQListView* parent, Coverage* c, TraceFunction* base,
+  CalleeCoverageItem(TQListView* tqparent, Coverage* c, TraceFunction* base,
                      TraceCostType* ct, TraceCost::CostType gt);
-  CalleeCoverageItem(TQListView* parent, int skipped, Coverage* c, TraceFunction* base,
+  CalleeCoverageItem(TQListView* tqparent, int skipped, Coverage* c, TraceFunction* base,
                      TraceCostType* ct, TraceCost::CostType gt);
 
   int compare(TQListViewItem * i, int col, bool ascending ) const;
diff --git a/kcachegrind/kcachegrind/coverageview.cpp b/kcachegrind/kcachegrind/coverageview.cpp
index 4452efca..460a4969 100644
--- a/kcachegrind/kcachegrind/coverageview.cpp
+++ b/kcachegrind/kcachegrind/coverageview.cpp
@@ -36,9 +36,9 @@
 //
 
 
-CoverageView::CoverageView(bool showCallers, TraceItemView* parentView,
-			   TQWidget* parent, const char* name)
-  : TQListView(parent, name), TraceItemView(parentView)
+CoverageView::CoverageView(bool showCallers, TraceItemView* tqparentView,
+			   TQWidget* tqparent, const char* name)
+  : TQListView(tqparent, name), TraceItemView(tqparentView)
 {
     _showCallers = showCallers;
 
@@ -54,13 +54,13 @@ CoverageView::CoverageView(bool showCallers, TraceItemView* parentView,
 	addColumn( i18n( "Distance" ) );
 	addColumn( i18n( "Calling" ) );
 	addColumn( i18n( "Callee" ) );
-	setColumnAlignment(3, Qt::AlignRight);
+	setColumnAlignment(3, TQt::AlignRight);
     }
 
     setSorting(0,false);
-    setColumnAlignment(0, Qt::AlignRight);
-    setColumnAlignment(1, Qt::AlignRight);
-    setColumnAlignment(2, Qt::AlignRight);
+    setColumnAlignment(0, TQt::AlignRight);
+    setColumnAlignment(1, TQt::AlignRight);
+    setColumnAlignment(2, TQt::AlignRight);
     setAllColumnsShowFocus(true);
     setResizeMode(TQListView::LastColumn);
     setMinimumHeight(50);
@@ -108,7 +108,7 @@ TQString CoverageView::whatsThis() const
 	      "<p>As there can be many calls from the same function, "
 	      "the distance column sometimes shows "
 	      "the range of distances for all "
-	      "calls happening; then, in parentheses, there is the "
+	      "calls happening; then, in tqparentheses, there is the "
 	      "medium distance, i.e. the distance where most of the "
 	      "call costs happened.</p>"
 
@@ -138,7 +138,7 @@ TQString CoverageView::whatsThis() const
 	      "<p>As there can be many calls to the same function, "
 	      "the distance column sometimes shows "
 	      "the range of distances for all "
-	      "calls happening; then, in parentheses, there is the "
+	      "calls happening; then, in tqparentheses, there is the "
 	      "medium distance, i.e. the distance where most of the "
 	      "call costs happened.</p>"
 
@@ -163,7 +163,7 @@ void CoverageView::context(TQListViewItem* i, const TQPoint & p, int c)
     TQString name = f->name();
     if ((int)name.length()>Configuration::maxSymbolLength())
 	name = name.left(Configuration::maxSymbolLength()) + "...";
-    popup.insertItem(i18n("Go to '%1'").arg(name), 93);
+    popup.insertItem(i18n("Go to '%1'").tqarg(name), 93);
     popup.insertSeparator();
   }
 
diff --git a/kcachegrind/kcachegrind/coverageview.h b/kcachegrind/kcachegrind/coverageview.h
index e0edeea5..64b56c4a 100644
--- a/kcachegrind/kcachegrind/coverageview.h
+++ b/kcachegrind/kcachegrind/coverageview.h
@@ -31,10 +31,11 @@
 class CoverageView: public TQListView, public TraceItemView
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  CoverageView(bool showCallers, TraceItemView* parentView,
-	       TQWidget* parent=0, const char* name=0);
+  CoverageView(bool showCallers, TraceItemView* tqparentView,
+	       TQWidget* tqparent=0, const char* name=0);
 
   virtual TQWidget* widget() { return this; }
   TQString whatsThis() const;
diff --git a/kcachegrind/kcachegrind/dumpselection.cpp b/kcachegrind/kcachegrind/dumpselection.cpp
index 4d812ef9..15027325 100644
--- a/kcachegrind/kcachegrind/dumpselection.cpp
+++ b/kcachegrind/kcachegrind/dumpselection.cpp
@@ -20,8 +20,8 @@
 
 
 DumpSelection::DumpSelection( TopLevel* top,
-                              TQWidget* parent, const char* name)
-    : DumpSelectionBase(parent, name), TraceItemView(0, top)
+                              TQWidget* tqparent, const char* name)
+    : DumpSelectionBase(tqparent, name), TraceItemView(0, top)
 {
 }
 
diff --git a/kcachegrind/kcachegrind/dumpselection.h b/kcachegrind/kcachegrind/dumpselection.h
index 3bec46ae..b6bcddce 100644
--- a/kcachegrind/kcachegrind/dumpselection.h
+++ b/kcachegrind/kcachegrind/dumpselection.h
@@ -18,9 +18,10 @@
 class DumpSelection : public DumpSelectionBase, public TraceItemView
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  DumpSelection( TopLevel*, TQWidget* parent = 0, const char* name = 0);
+  DumpSelection( TopLevel*, TQWidget* tqparent = 0, const char* name = 0);
   virtual ~DumpSelection();
 
   TQWidget* widget() { return this; }
diff --git a/kcachegrind/kcachegrind/dumpselectionbase.ui b/kcachegrind/kcachegrind/dumpselectionbase.ui
index 37bc1c46..a78b52ce 100644
--- a/kcachegrind/kcachegrind/dumpselectionbase.ui
+++ b/kcachegrind/kcachegrind/dumpselectionbase.ui
@@ -1,10 +1,10 @@
 <!DOCTYPE UI><UI version="3.2" stdsetdef="1">
 <class>DumpSelectionBase</class>
-<widget class="QWidget">
+<widget class="TQWidget">
     <property name="name">
         <cstring>DumpSelectionBase</cstring>
     </property>
-    <property name="geometry">
+    <property name="tqgeometry">
         <rect>
             <x>0</x>
             <y>0</y>
@@ -19,14 +19,14 @@
         <property name="name">
             <cstring>unnamed</cstring>
         </property>
-        <widget class="QSplitter">
+        <widget class="TQSplitter">
             <property name="name">
                 <cstring>splitter1</cstring>
             </property>
             <property name="orientation">
                 <enum>Vertical</enum>
             </property>
-            <widget class="QListView">
+            <widget class="TQListView">
                 <column>
                     <property name="text">
                         <string>Target</string>
@@ -75,11 +75,11 @@
                     <cstring>listView1</cstring>
                 </property>
             </widget>
-            <widget class="QTabWidget">
+            <widget class="TQTabWidget">
                 <property name="name">
                     <cstring>tabWidget2</cstring>
                 </property>
-                <widget class="QWidget">
+                <widget class="TQWidget">
                     <property name="name">
                         <cstring>tab</cstring>
                     </property>
@@ -90,7 +90,7 @@
                         <property name="name">
                             <cstring>unnamed</cstring>
                         </property>
-                        <widget class="QLabel">
+                        <widget class="TQLabel">
                             <property name="name">
                                 <cstring>textLabel1</cstring>
                             </property>
@@ -106,12 +106,12 @@
                                 <string>Target command:</string>
                             </property>
                         </widget>
-                        <widget class="QLineEdit">
+                        <widget class="TQLineEdit">
                             <property name="name">
                                 <cstring>lineEdit1</cstring>
                             </property>
                         </widget>
-                        <widget class="QLabel">
+                        <widget class="TQLabel">
                             <property name="name">
                                 <cstring>textLabel2</cstring>
                             </property>
@@ -119,7 +119,7 @@
                                 <string>Profiler options:</string>
                             </property>
                         </widget>
-                        <widget class="QListView">
+                        <widget class="TQListView">
                             <column>
                                 <property name="text">
                                     <string>Option</string>
@@ -454,7 +454,7 @@
                                 <cstring>listView3</cstring>
                             </property>
                         </widget>
-                        <widget class="QLabel">
+                        <widget class="TQLabel">
                             <property name="name">
                                 <cstring>textLabel1_2</cstring>
                             </property>
@@ -470,14 +470,14 @@
                                 <string>Custom profiler options:</string>
                             </property>
                         </widget>
-                        <widget class="QLineEdit">
+                        <widget class="TQLineEdit">
                             <property name="name">
                                 <cstring>lineEdit1_2</cstring>
                             </property>
                         </widget>
-                        <widget class="QLayoutWidget">
+                        <widget class="TQLayoutWidget">
                             <property name="name">
-                                <cstring>layout3</cstring>
+                                <cstring>tqlayout3</cstring>
                             </property>
                             <hbox>
                                 <property name="name">
@@ -493,14 +493,14 @@
                                     <property name="sizeType">
                                         <enum>Expanding</enum>
                                     </property>
-                                    <property name="sizeHint">
+                                    <property name="tqsizeHint">
                                         <size>
                                             <width>21</width>
                                             <height>20</height>
                                         </size>
                                     </property>
                                 </spacer>
-                                <widget class="QPushButton">
+                                <widget class="TQPushButton">
                                     <property name="name">
                                         <cstring>pushButton2</cstring>
                                     </property>
@@ -512,7 +512,7 @@
                         </widget>
                     </vbox>
                 </widget>
-                <widget class="QWidget">
+                <widget class="TQWidget">
                     <property name="name">
                         <cstring>tab</cstring>
                     </property>
@@ -523,7 +523,7 @@
                         <property name="name">
                             <cstring>unnamed</cstring>
                         </property>
-                        <widget class="QLabel">
+                        <widget class="TQLabel">
                             <property name="name">
                                 <cstring>textLabel8</cstring>
                             </property>
@@ -531,12 +531,12 @@
                                 <string>Dump reason:</string>
                             </property>
                         </widget>
-                        <widget class="QLineEdit">
+                        <widget class="TQLineEdit">
                             <property name="name">
                                 <cstring>lineEdit3</cstring>
                             </property>
                         </widget>
-                        <widget class="QLabel">
+                        <widget class="TQLabel">
                             <property name="name">
                                 <cstring>textLabel6</cstring>
                             </property>
@@ -544,7 +544,7 @@
                                 <string>Event summary:</string>
                             </property>
                         </widget>
-                        <widget class="QListView">
+                        <widget class="TQListView">
                             <column>
                                 <property name="text">
                                     <string>Name</string>
@@ -571,7 +571,7 @@
                                 <cstring>listView4</cstring>
                             </property>
                         </widget>
-                        <widget class="QLabel">
+                        <widget class="TQLabel">
                             <property name="name">
                                 <cstring>textLabel7</cstring>
                             </property>
@@ -579,14 +579,14 @@
                                 <string>Miscellaneous:</string>
                             </property>
                         </widget>
-                        <widget class="QTextEdit">
+                        <widget class="TQTextEdit">
                             <property name="name">
                                 <cstring>textEdit2</cstring>
                             </property>
                         </widget>
-                        <widget class="QLayoutWidget">
+                        <widget class="TQLayoutWidget">
                             <property name="name">
-                                <cstring>layout7</cstring>
+                                <cstring>tqlayout7</cstring>
                             </property>
                             <hbox>
                                 <property name="name">
@@ -602,14 +602,14 @@
                                     <property name="sizeType">
                                         <enum>Expanding</enum>
                                     </property>
-                                    <property name="sizeHint">
+                                    <property name="tqsizeHint">
                                         <size>
                                             <width>50</width>
                                             <height>20</height>
                                         </size>
                                     </property>
                                 </spacer>
-                                <widget class="QPushButton">
+                                <widget class="TQPushButton">
                                     <property name="name">
                                         <cstring>pushButton6</cstring>
                                     </property>
@@ -617,7 +617,7 @@
                                         <string>Show</string>
                                     </property>
                                 </widget>
-                                <widget class="QPushButton">
+                                <widget class="TQPushButton">
                                     <property name="name">
                                         <cstring>pushButton5</cstring>
                                     </property>
@@ -629,7 +629,7 @@
                         </widget>
                     </vbox>
                 </widget>
-                <widget class="QWidget">
+                <widget class="TQWidget">
                     <property name="name">
                         <cstring>tab</cstring>
                     </property>
@@ -640,15 +640,15 @@
                         <property name="name">
                             <cstring>unnamed</cstring>
                         </property>
-                        <widget class="QLayoutWidget">
+                        <widget class="TQLayoutWidget">
                             <property name="name">
-                                <cstring>layout2</cstring>
+                                <cstring>tqlayout2</cstring>
                             </property>
                             <hbox>
                                 <property name="name">
                                     <cstring>unnamed</cstring>
                                 </property>
-                                <widget class="QPushButton">
+                                <widget class="TQPushButton">
                                     <property name="name">
                                         <cstring>pushButton1</cstring>
                                     </property>
@@ -656,7 +656,7 @@
                                         <string>Update</string>
                                     </property>
                                 </widget>
-                                <widget class="QCheckBox">
+                                <widget class="TQCheckBox">
                                     <property name="name">
                                         <cstring>checkBox1</cstring>
                                     </property>
@@ -664,14 +664,14 @@
                                         <string>Every [s]:</string>
                                     </property>
                                 </widget>
-                                <widget class="QLineEdit">
+                                <widget class="TQLineEdit">
                                     <property name="name">
                                         <cstring>lineEdit3_2</cstring>
                                     </property>
                                 </widget>
                             </hbox>
                         </widget>
-                        <widget class="QListView">
+                        <widget class="TQListView">
                             <column>
                                 <property name="text">
                                     <string>Counter</string>
@@ -866,15 +866,15 @@
                                 <cstring>listView4_3</cstring>
                             </property>
                         </widget>
-                        <widget class="QLayoutWidget">
+                        <widget class="TQLayoutWidget">
                             <property name="name">
-                                <cstring>layout4</cstring>
+                                <cstring>tqlayout4</cstring>
                             </property>
                             <hbox>
                                 <property name="name">
                                     <cstring>unnamed</cstring>
                                 </property>
-                                <widget class="QLabel">
+                                <widget class="TQLabel">
                                     <property name="name">
                                         <cstring>textLabel4</cstring>
                                     </property>
@@ -890,7 +890,7 @@
                                         <string>Stack trace:</string>
                                     </property>
                                 </widget>
-                                <widget class="QCheckBox">
+                                <widget class="TQCheckBox">
                                     <property name="name">
                                         <cstring>checkBox2</cstring>
                                     </property>
@@ -900,7 +900,7 @@
                                 </widget>
                             </hbox>
                         </widget>
-                        <widget class="QListView">
+                        <widget class="TQListView">
                             <column>
                                 <property name="text">
                                     <string>#</string>
@@ -960,15 +960,15 @@
                                 <cstring>listView7</cstring>
                             </property>
                         </widget>
-                        <widget class="QLayoutWidget">
+                        <widget class="TQLayoutWidget">
                             <property name="name">
-                                <cstring>layout6</cstring>
+                                <cstring>tqlayout6</cstring>
                             </property>
                             <hbox>
                                 <property name="name">
                                     <cstring>unnamed</cstring>
                                 </property>
-                                <widget class="QPushButton">
+                                <widget class="TQPushButton">
                                     <property name="name">
                                         <cstring>pushButton7</cstring>
                                     </property>
@@ -986,14 +986,14 @@
                                     <property name="sizeType">
                                         <enum>Expanding</enum>
                                     </property>
-                                    <property name="sizeHint">
+                                    <property name="tqsizeHint">
                                         <size>
                                             <width>20</width>
                                             <height>20</height>
                                         </size>
                                     </property>
                                 </spacer>
-                                <widget class="QPushButton">
+                                <widget class="TQPushButton">
                                     <property name="name">
                                         <cstring>pushButton6_2</cstring>
                                     </property>
@@ -1001,7 +1001,7 @@
                                         <string>Zero</string>
                                     </property>
                                 </widget>
-                                <widget class="QPushButton">
+                                <widget class="TQPushButton">
                                     <property name="name">
                                         <cstring>pushButton4</cstring>
                                     </property>
@@ -1013,7 +1013,7 @@
                         </widget>
                     </vbox>
                 </widget>
-                <widget class="QWidget">
+                <widget class="TQWidget">
                     <property name="name">
                         <cstring>tab</cstring>
                     </property>
@@ -1024,20 +1024,20 @@
                         <property name="name">
                             <cstring>unnamed</cstring>
                         </property>
-                        <widget class="QTextEdit">
+                        <widget class="TQTextEdit">
                             <property name="name">
                                 <cstring>textEdit2_2</cstring>
                             </property>
                         </widget>
-                        <widget class="QLayoutWidget">
+                        <widget class="TQLayoutWidget">
                             <property name="name">
-                                <cstring>layout6</cstring>
+                                <cstring>tqlayout6</cstring>
                             </property>
                             <hbox>
                                 <property name="name">
                                     <cstring>unnamed</cstring>
                                 </property>
-                                <widget class="QPushButton">
+                                <widget class="TQPushButton">
                                     <property name="name">
                                         <cstring>pushButton9</cstring>
                                     </property>
@@ -1055,14 +1055,14 @@
                                     <property name="sizeType">
                                         <enum>Expanding</enum>
                                     </property>
-                                    <property name="sizeHint">
+                                    <property name="tqsizeHint">
                                         <size>
                                             <width>21</width>
                                             <height>20</height>
                                         </size>
                                     </property>
                                 </spacer>
-                                <widget class="QPushButton">
+                                <widget class="TQPushButton">
                                     <property name="name">
                                         <cstring>pushButton8</cstring>
                                     </property>
@@ -1078,5 +1078,5 @@
         </widget>
     </vbox>
 </widget>
-<layoutdefaults spacing="6" margin="11"/>
+<tqlayoutdefaults spacing="6" margin="11"/>
 </UI>
diff --git a/kcachegrind/kcachegrind/functionitem.cpp b/kcachegrind/kcachegrind/functionitem.cpp
index 3b694ddf..5b70fd2e 100644
--- a/kcachegrind/kcachegrind/functionitem.cpp
+++ b/kcachegrind/kcachegrind/functionitem.cpp
@@ -37,9 +37,9 @@
 
 // FunctionItem
 
-FunctionItem::FunctionItem(TQListView* parent, TraceFunction* f,
+FunctionItem::FunctionItem(TQListView* tqparent, TraceFunction* f,
                            TraceCostType* ct, TraceCost::CostType gt)
-  :TQListViewItem(parent)
+  :TQListViewItem(tqparent)
 {
 #if 0
     _costPixValid = false;
@@ -56,9 +56,9 @@ FunctionItem::FunctionItem(TQListView* parent, TraceFunction* f,
     setText(4, f->prettyLocation());
 }
 
-FunctionItem::FunctionItem(TQListView* parent, int skipped,
+FunctionItem::FunctionItem(TQListView* tqparent, int skipped,
 			   TraceFunction* f, TraceCostType* ct)
-  :TQListViewItem(parent)
+  :TQListViewItem(tqparent)
 {
 #if 0
     _costPixValid = false;
@@ -103,7 +103,7 @@ void  FunctionItem::setGroupType(TraceCost::CostType gt)
 
 #if 0
   _groupPixValid = false;
-  viewList()->repaint();
+  viewList()->tqrepaint();
 #else
   TQColor c = Configuration::functionColor(_groupType, _function);
   setPixmap(3, colorPixmap(10, 10, c));
@@ -141,7 +141,7 @@ void FunctionItem::update()
     _sum  = _function->inclusive()->subCost(_costType);
     double incl  = 100.0 * _sum / inclTotal;
     if (Configuration::showPercentage())
-      str = TQString("%1").arg(incl, 0, 'f', Configuration::percentPrecision());
+      str = TQString("%1").tqarg(incl, 0, 'f', Configuration::percentPrecision());
     else
       str = _function->inclusive()->prettySubCost(_costType);
     str = "< " + str;
@@ -171,7 +171,7 @@ void FunctionItem::update()
       double incl  = 100.0 * _sum / inclTotal;
       if (Configuration::showPercentage())
 	  setText(0, TQString("%1")
-		  .arg(incl, 0, 'f', Configuration::percentPrecision()));
+		  .tqarg(incl, 0, 'f', Configuration::percentPrecision()));
       else
 	  setText(0, _function->inclusive()->prettySubCost(_costType));
 
@@ -189,7 +189,7 @@ void FunctionItem::update()
 
       if (Configuration::showPercentage())
 	  setText(1, TQString("%1")
-		  .arg(self, 0, 'f', Configuration::percentPrecision()));
+		  .tqarg(self, 0, 'f', Configuration::percentPrecision()));
       else
 	  setText(1, _function->prettySubCost(_costType));
 
diff --git a/kcachegrind/kcachegrind/functionitem.h b/kcachegrind/kcachegrind/functionitem.h
index 1c49e1be..fcf24123 100644
--- a/kcachegrind/kcachegrind/functionitem.h
+++ b/kcachegrind/kcachegrind/functionitem.h
@@ -26,13 +26,13 @@
 #include <tqlistview.h>
 #include "tracedata.h"
 
-class FunctionItem: public QListViewItem
+class FunctionItem: public TQListViewItem
 {
 public:    
-  FunctionItem(TQListView* parent, TraceFunction* function,
+  FunctionItem(TQListView* tqparent, TraceFunction* function,
 	       TraceCostType* ct, TraceCost::CostType gt);
   // constructor for a "Skipped ... " entry
-  FunctionItem(TQListView* parent, int skipped,
+  FunctionItem(TQListView* tqparent, int skipped,
 	       TraceFunction* function, TraceCostType* ct);
 
   int compare(TQListViewItem * i, int col, bool ascending ) const;
@@ -44,7 +44,7 @@ public:
 #if 0
   const TQPixmap* pixmap (int column) const;
   bool _costPixValid, _groupPixValid;
-  QPixMap _costPix, _groupPix;
+  TQPixMap _costPix, _groupPix;
 #endif
 
 private:
diff --git a/kcachegrind/kcachegrind/functionselection.cpp b/kcachegrind/kcachegrind/functionselection.cpp
index 212637ec..41390248 100644
--- a/kcachegrind/kcachegrind/functionselection.cpp
+++ b/kcachegrind/kcachegrind/functionselection.cpp
@@ -17,7 +17,7 @@
 */
 
 /*
- * For function selection, to be put into a QDockWindow
+ * For function selection, to be put into a TQDockWindow
  */
 
 #include <tqtimer.h>
@@ -41,8 +41,8 @@
 #include "toplevel.h"
 
 FunctionSelection::FunctionSelection( TopLevel* top,
-				      TQWidget* parent, const char* name)
-    : FunctionSelectionBase(parent, name), TraceItemView(0, top)
+				      TQWidget* tqparent, const char* name)
+    : FunctionSelectionBase(tqparent, name), TraceItemView(0, top)
 {
   _group = 0;
   _inSetGroup = false;
@@ -72,9 +72,9 @@ FunctionSelection::FunctionSelection( TopLevel* top,
 
   // we start with desending cost sorting
   functionList->setSorting(0,false);
-  functionList->setColumnAlignment(0, Qt::AlignRight);
-  functionList->setColumnAlignment(1, Qt::AlignRight);
-  functionList->setColumnAlignment(2, Qt::AlignRight);
+  functionList->setColumnAlignment(0, TQt::AlignRight);
+  functionList->setColumnAlignment(1, TQt::AlignRight);
+  functionList->setColumnAlignment(2, TQt::AlignRight);
   functionList->setAllColumnsShowFocus(true);
   // functionList->setShowSortIndicator(true);
   // we can have very long function and location names
@@ -84,7 +84,7 @@ FunctionSelection::FunctionSelection( TopLevel* top,
   functionList->setColumnWidth(4, 200);
 
   groupList->setSorting(0,false);
-  groupList->setColumnAlignment(0, Qt::AlignRight);
+  groupList->setColumnAlignment(0, TQt::AlignRight);
   groupList->setAllColumnsShowFocus(true);
   // groupList->setShowSortIndicator(true);
   groupList->setResizeMode(TQListView::LastColumn);
@@ -173,7 +173,7 @@ void FunctionSelection::functionContext(TQListViewItem* i,
   if (i) {
       f = ((FunctionItem*) i)->function();
       if (f) {
-	  popup.insertItem(i18n("Go to %1").arg(f->prettyName()), 93);
+	  popup.insertItem(i18n("Go to %1").tqarg(f->prettyName()), 93);
 	  popup.insertSeparator();
       }
   }
@@ -305,8 +305,8 @@ void FunctionSelection::doUpdate(int changeType)
 	}
 
 	// reset searchEdit (as not activated from this view)
-	_searchString = TQString::null;
-	query(TQString::null);
+	_searchString = TQString();
+	query(TQString());
 
 	// select cost item group of function
 	switch(_groupType) {
@@ -368,8 +368,8 @@ void FunctionSelection::doUpdate(int changeType)
     }
 
     // reset searchEdit
-    _searchString = TQString::null;
-    query(TQString::null);
+    _searchString = TQString();
+    query(TQString());
 
     refresh();
 }
@@ -417,7 +417,7 @@ void FunctionSelection::refresh()
     if (!_data || _data->parts().count()==0) {
 	functionList->clear();
 	groupList->setUpdatesEnabled(true);
-	groupList->repaint();
+	groupList->tqrepaint();
 
 	// this clears all other lists
 	functionList->setSelected(functionList->firstChild(), true);
@@ -547,9 +547,9 @@ void FunctionSelection::refresh()
 	functionList->clearSelection();
 
       //functionList->setUpdatesEnabled(true);
-      //functionList->repaint();
+      //functionList->tqrepaint();
       groupList->setUpdatesEnabled(true);
-      groupList->repaint();
+      groupList->tqrepaint();
       return;
     }
   }
@@ -581,7 +581,7 @@ void FunctionSelection::refresh()
     groupList->clearSelection();
 
   groupList->setUpdatesEnabled(true);
-  groupList->repaint();
+  groupList->tqrepaint();
 }
 
 
@@ -628,7 +628,7 @@ void FunctionSelection::groupSelected(TQListViewItem* i)
 #if 0
   if (total == 0.0) {
       functionList->setUpdatesEnabled(true);
-      functionList->repaint();
+      functionList->tqrepaint();
       return;
   }
 #endif
@@ -668,7 +668,7 @@ void FunctionSelection::groupSelected(TQListViewItem* i)
   }
 
   //functionList->setUpdatesEnabled(true);
-  //functionList->repaint();
+  //functionList->tqrepaint();
 
   // Don't emit signal if cost item was changed programatically
   if (!_inSetGroup) {
@@ -738,7 +738,7 @@ void FunctionSelection::updateGroupSizes(bool hideEmpty)
   TQListViewItem* item  = groupList->firstChild();
   for (;item;item = item->nextSibling()) {
     CostListItem* i = (CostListItem*)item;
-    int size = (_groupSize.contains(i->costItem())) ?
+    int size = (_groupSize.tqcontains(i->costItem())) ?
 	_groupSize[i->costItem()] : -1;    
     i->setSize(size);
     i->setVisible(!hideEmpty || (size>0));
@@ -774,28 +774,28 @@ void FunctionSelection::query(TQString query)
     if (re.search(f->prettyName())>=0) {
       if (_group) {
 	if (_groupType==TraceItem::Object) {
-	  if (_groupSize.contains(f->object()))
+	  if (_groupSize.tqcontains(f->object()))
 	    _groupSize[f->object()]++;
 	  else
 	    _groupSize[f->object()] = 1;
 	  if (f->object() != _group) continue;
 	}
 	else if (_groupType==TraceItem::Class) {
-	  if (_groupSize.contains(f->cls()))
+	  if (_groupSize.tqcontains(f->cls()))
 	    _groupSize[f->cls()]++;
 	  else
 	    _groupSize[f->cls()] = 1;
 	  if (f->cls() != _group) continue;
 	}
 	else if (_groupType==TraceItem::File) {
-	  if (_groupSize.contains(f->file()))
+	  if (_groupSize.tqcontains(f->file()))
 	    _groupSize[f->file()]++;
 	  else
 	    _groupSize[f->file()] = 1;
 	  if (f->file() != _group) continue;
 	}
 	else if (_groupType==TraceItem::FunctionCycle) {
-	  if (_groupSize.contains(f->cycle()))
+	  if (_groupSize.tqcontains(f->cycle()))
 	    _groupSize[f->cycle()]++;
 	  else
 	    _groupSize[f->cycle()] = 1;
diff --git a/kcachegrind/kcachegrind/functionselection.h b/kcachegrind/kcachegrind/functionselection.h
index c1c815d6..2aacbeba 100644
--- a/kcachegrind/kcachegrind/functionselection.h
+++ b/kcachegrind/kcachegrind/functionselection.h
@@ -17,7 +17,7 @@
 */
 
 /*
- * For function selection, to be put into a QDockWindow
+ * For function selection, to be put into a TQDockWindow
  */
 
 #ifndef FUNCTIONSELECTION_H
@@ -38,9 +38,10 @@ class NestedAreaItem;
 class FunctionSelection : public FunctionSelectionBase, public TraceItemView
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  FunctionSelection( TopLevel*, TQWidget* parent = 0, const char* name = 0);
+  FunctionSelection( TopLevel*, TQWidget* tqparent = 0, const char* name = 0);
   ~FunctionSelection();
 
   TraceCostItem* group(TQString);
diff --git a/kcachegrind/kcachegrind/functionselectionbase.ui b/kcachegrind/kcachegrind/functionselectionbase.ui
index e59dc26c..5fbc7f96 100644
--- a/kcachegrind/kcachegrind/functionselectionbase.ui
+++ b/kcachegrind/kcachegrind/functionselectionbase.ui
@@ -1,10 +1,10 @@
 <!DOCTYPE UI><UI version="3.1" stdsetdef="1">
 <class>FunctionSelectionBase</class>
-<widget class="QWidget">
+<widget class="TQWidget">
     <property name="name">
         <cstring>FunctionSelectionBase</cstring>
     </property>
-    <property name="geometry">
+    <property name="tqgeometry">
         <rect>
             <x>0</x>
             <y>0</y>
@@ -25,15 +25,15 @@
         <property name="spacing">
             <number>6</number>
         </property>
-        <widget class="QLayoutWidget">
+        <widget class="TQLayoutWidget">
             <property name="name">
-                <cstring>layout1</cstring>
+                <cstring>tqlayout1</cstring>
             </property>
             <hbox>
                 <property name="name">
                     <cstring>unnamed</cstring>
                 </property>
-                <widget class="QLabel">
+                <widget class="TQLabel">
                     <property name="name">
                         <cstring>searchLabel</cstring>
                     </property>
@@ -44,19 +44,19 @@
                         <cstring>searchEdit</cstring>
                     </property>
                 </widget>
-                <widget class="QLineEdit">
+                <widget class="TQLineEdit">
                     <property name="name">
                         <cstring>searchEdit</cstring>
                     </property>
                 </widget>
-                <widget class="QComboBox">
+                <widget class="TQComboBox">
                     <property name="name">
                         <cstring>groupBox</cstring>
                     </property>
                 </widget>
             </hbox>
         </widget>
-        <widget class="QListView">
+        <widget class="TQListView">
             <column>
                 <property name="text">
                     <string>Self</string>
@@ -90,14 +90,14 @@
                     <verstretch>0</verstretch>
                 </sizepolicy>
             </property>
-            <property name="maximumSize">
+            <property name="tqmaximumSize">
                 <size>
                     <width>32767</width>
                     <height>150</height>
                 </size>
             </property>
         </widget>
-        <widget class="QListView">
+        <widget class="TQListView">
             <column>
                 <property name="text">
                     <string>Incl.</string>
@@ -159,5 +159,5 @@
         </widget>
     </vbox>
 </widget>
-<layoutdefaults spacing="6" margin="11"/>
+<tqlayoutdefaults spacing="6" margin="11"/>
 </UI>
diff --git a/kcachegrind/kcachegrind/instritem.cpp b/kcachegrind/kcachegrind/instritem.cpp
index 97c09661..3aa7d22d 100644
--- a/kcachegrind/kcachegrind/instritem.cpp
+++ b/kcachegrind/kcachegrind/instritem.cpp
@@ -37,9 +37,9 @@
 // InstrItem
 
 // for messages
-InstrItem::InstrItem(InstrView* iv, TQListView* parent,
+InstrItem::InstrItem(InstrView* iv, TQListView* tqparent,
 		     Addr addr, const TQString& msg)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _view = iv;
   _addr = addr;
@@ -56,11 +56,11 @@ InstrItem::InstrItem(InstrView* iv, TQListView* parent,
 }
 
 // for code lines
-InstrItem::InstrItem(InstrView* iv, TQListView* parent,
+InstrItem::InstrItem(InstrView* iv, TQListView* tqparent,
 		     Addr addr, bool inside,
 		     const TQString& code, const TQString& cmd,
 		     const TQString& args, TraceInstr* instr)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _view = iv;
   _addr = addr;
@@ -86,9 +86,9 @@ InstrItem::InstrItem(InstrView* iv, TQListView* parent,
 }
 
 // for call lines
-InstrItem::InstrItem(InstrView* iv, TQListViewItem* parent, Addr addr,
+InstrItem::InstrItem(InstrView* iv, TQListViewItem* tqparent, Addr addr,
 		     TraceInstr* instr, TraceInstrCall* instrCall)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _view = iv;
   _addr = addr;
@@ -107,7 +107,7 @@ InstrItem::InstrItem(InstrView* iv, TQListViewItem* parent, Addr addr,
   else
     templ += i18n("%n call to '%1'", "%n calls to '%1'", cc);
 
-  TQString callStr = templ.arg(_instrCall->call()->calledName());
+  TQString callStr = templ.tqarg(_instrCall->call()->calledName());
   TraceFunction* calledF = _instrCall->call()->called();
   calledF->addPrettyLocation(callStr);
 
@@ -118,9 +118,9 @@ InstrItem::InstrItem(InstrView* iv, TQListViewItem* parent, Addr addr,
 }
 
 // for jump lines
-InstrItem::InstrItem(InstrView* iv, TQListViewItem* parent, Addr addr,
+InstrItem::InstrItem(InstrView* iv, TQListViewItem* tqparent, Addr addr,
 		     TraceInstr* instr, TraceInstrJump* instrJump)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _view = iv;
   _addr = addr;
@@ -135,13 +135,13 @@ InstrItem::InstrItem(InstrView* iv, TQListViewItem* parent, Addr addr,
   TQString jStr;
   if (_instrJump->isCondJump())
       jStr = i18n("Jump %1 of %2 times to 0x%3")
-	  .arg(_instrJump->followedCount().pretty())
-	  .arg(_instrJump->executedCount().pretty())
-	  .arg(_instrJump->instrTo()->addr().toString());
+	  .tqarg(_instrJump->followedCount().pretty())
+	  .tqarg(_instrJump->executedCount().pretty())
+	  .tqarg(_instrJump->instrTo()->addr().toString());
   else
       jStr = i18n("Jump %1 times to 0x%2")
-	  .arg(_instrJump->executedCount().pretty())
-	  .arg(_instrJump->instrTo()->addr().toString());
+	  .tqarg(_instrJump->executedCount().pretty())
+	  .tqarg(_instrJump->instrTo()->addr().toString());
 
   setText(6, jStr);
 
@@ -200,7 +200,7 @@ void InstrItem::updateCost()
   TraceCostType *ct = _view->costType();
   _pure = ct ? instrCost->subCost(ct) : SubCost(0);
   if (_pure == 0) {
-    setText(1, TQString::null);
+    setText(1, TQString());
     setPixmap(1, TQPixmap());
   }
   else {
@@ -209,7 +209,7 @@ void InstrItem::updateCost()
 
     if (Configuration::showPercentage())
       setText(1, TQString("%1")
-	      .arg(pure, 0, 'f', Configuration::percentPrecision()));
+	      .tqarg(pure, 0, 'f', Configuration::percentPrecision()));
     else
       setText(1, _pure.pretty());
     
@@ -219,7 +219,7 @@ void InstrItem::updateCost()
   TraceCostType *ct2 = _view->costType2();
   _pure2 = ct2 ? instrCost->subCost(ct2) : SubCost(0);
   if (_pure2 == 0) {
-    setText(2, TQString::null);
+    setText(2, TQString());
     setPixmap(2, TQPixmap());
   }
   else {
@@ -228,7 +228,7 @@ void InstrItem::updateCost()
 
     if (Configuration::showPercentage())
       setText(2, TQString("%1")
-	      .arg(pure, 0, 'f', Configuration::percentPrecision()));
+	      .tqarg(pure, 0, 'f', Configuration::percentPrecision()));
     else
       setText(2, _pure2.pretty());
     
@@ -297,7 +297,7 @@ int InstrItem::compare(TQListViewItem * i, int col, bool ascending ) const
 }
 
 void InstrItem::paintCell( TQPainter *p, const TQColorGroup &cg,
-			   int column, int width, int alignment )
+			   int column, int width, int tqalignment )
 {
   TQColorGroup _cg( cg );
 
@@ -309,7 +309,7 @@ void InstrItem::paintCell( TQPainter *p, const TQColorGroup &cg,
   if (column == 3)
     paintArrows(p, _cg, width);
   else
-    TQListViewItem::paintCell( p, _cg, column, width, alignment );
+    TQListViewItem::paintCell( p, _cg, column, width, tqalignment );
 }
 
 void InstrItem::setJumpArray(const TQMemArray<TraceInstrJump*>& a)
@@ -326,7 +326,7 @@ void InstrItem::paintArrows(TQPainter *p, const TQColorGroup &cg, int width)
   const BackgroundMode bgmode = lv->viewport()->backgroundMode();
   const TQColorGroup::ColorRole crole
     = TQPalette::backgroundRoleFromMode( bgmode );
-  if ( cg.brush( crole ) != lv->colorGroup().brush( crole ) )
+  if ( cg.brush( crole ) != lv->tqcolorGroup().brush( crole ) )
     p->fillRect( 0, 0, width, height(), cg.brush( crole ) );
   else
     iv->paintEmptyArea( p, TQRect( 0, 0, width, height() ) );
@@ -373,7 +373,7 @@ void InstrItem::paintArrows(TQPainter *p, const TQColorGroup &cg, int width)
 	  p->fillRect( marg + 6*i-2, (y1==0) ? y1: y1-2,
 		       8, (y2-y1==height())? y2:y2+2,
 		       cg.brush( TQColorGroup::Highlight ) );
-	  c = lv->colorGroup().highlightedText();
+	  c = lv->tqcolorGroup().highlightedText();
       }
 #endif
       p->fillRect( marg + 6*i, y1, 4, y2, c);
@@ -388,7 +388,7 @@ void InstrItem::paintArrows(TQPainter *p, const TQColorGroup &cg, int width)
   if (start >= 0) {
 #if 0
       if (_jump[start] == ((TraceItemView*)_view)->selectedItem()) {	  
-	  c = lv->colorGroup().highlightedText();
+	  c = lv->tqcolorGroup().highlightedText();
       }
 #endif
       c = _jump[start]->isCondJump() ? red : blue;
@@ -416,13 +416,13 @@ void InstrItem::paintArrows(TQPainter *p, const TQColorGroup &cg, int width)
       p->drawConvexPolygon(a);
 
       p->setPen(c.light());
-      p->drawPolyline(a, 0, 5);
+      p->tqdrawPolyline(a, 0, 5);
       p->setPen(c.dark());
-      p->drawPolyline(a, 4, 2);
+      p->tqdrawPolyline(a, 4, 2);
       p->setPen(c.light());
-      p->drawPolyline(a, 5, 2);
+      p->tqdrawPolyline(a, 5, 2);
       p->setPen(c.dark());
-      p->drawPolyline(a, 6, 2);
+      p->tqdrawPolyline(a, 6, 2);
   }
 
   // draw inner vertical line for start/stop
diff --git a/kcachegrind/kcachegrind/instritem.h b/kcachegrind/kcachegrind/instritem.h
index 8f04b47a..ab5467d9 100644
--- a/kcachegrind/kcachegrind/instritem.h
+++ b/kcachegrind/kcachegrind/instritem.h
@@ -28,26 +28,26 @@
 
 class InstrView;
 
-class InstrItem: public QListViewItem
+class InstrItem: public TQListViewItem
 {
 
 public:
   // for messages
-  InstrItem(InstrView* iv, TQListView* parent,
+  InstrItem(InstrView* iv, TQListView* tqparent,
 	    Addr addr, const TQString&);
 
   // for instruction lines
-  InstrItem(InstrView* iv, TQListView* parent,
+  InstrItem(InstrView* iv, TQListView* tqparent,
 	    Addr addr, bool inside,
 	    const TQString&, const TQString&, const TQString&,
 	    TraceInstr* instr);
 
   // for call instr
-  InstrItem(InstrView* iv, TQListViewItem* parent, Addr addr,
+  InstrItem(InstrView* iv, TQListViewItem* tqparent, Addr addr,
 	    TraceInstr* instr, TraceInstrCall* instrCall);
 
   // for jump lines
-  InstrItem(InstrView* iv, TQListViewItem* parent, Addr addr,
+  InstrItem(InstrView* iv, TQListViewItem* tqparent, Addr addr,
 	    TraceInstr* instr, TraceInstrJump* instrJump);
 
   Addr addr() const { return _addr; }
@@ -58,7 +58,7 @@ public:
   int compare(TQListViewItem * i, int col, bool ascending ) const;
 
   void paintCell(TQPainter *p, const TQColorGroup &cg,
-                 int column, int width, int alignment );
+                 int column, int width, int tqalignment );
   int width( const TQFontMetrics& fm,
              const TQListView* lv, int c ) const;
 
diff --git a/kcachegrind/kcachegrind/instrview.cpp b/kcachegrind/kcachegrind/instrview.cpp
index 8a67296e..24e83cf6 100644
--- a/kcachegrind/kcachegrind/instrview.cpp
+++ b/kcachegrind/kcachegrind/instrview.cpp
@@ -110,9 +110,9 @@ static bool parseLine(char* buf, Addr& addr,
 //
 
 
-InstrView::InstrView(TraceItemView* parentView,
-                     TQWidget* parent, const char* name)
-  : TQListView(parent, name), TraceItemView(parentView)
+InstrView::InstrView(TraceItemView* tqparentView,
+                     TQWidget* tqparent, const char* name)
+  : TQListView(tqparent, name), TraceItemView(tqparentView)
 {
   _showHexCode = DEFAULT_SHOWHEXCODE;
   _lastHexCodeWidth = 50;
@@ -132,8 +132,8 @@ InstrView::InstrView(TraceItemView* parentView,
   addColumn( i18n( "Source Position" ) );
 
   setAllColumnsShowFocus(true);
-  setColumnAlignment(1, Qt::AlignRight);
-  setColumnAlignment(2, Qt::AlignRight);
+  setColumnAlignment(1, TQt::AlignRight);
+  setColumnAlignment(2, TQt::AlignRight);
 
   connect(this,
           TQT_SIGNAL(contextMenuRequested(TQListViewItem*, const TQPoint &, int)),
@@ -188,11 +188,11 @@ void InstrView::context(TQListViewItem* i, const TQPoint & p, int c)
     TQString name = f->name();
     if ((int)name.length()>Configuration::maxSymbolLength())
       name = name.left(Configuration::maxSymbolLength()) + "...";
-    popup.insertItem(i18n("Go to '%1'").arg(name), 93);
+    popup.insertItem(i18n("Go to '%1'").tqarg(name), 93);
     popup.insertSeparator();
   }
   else if (instr) {
-    popup.insertItem(i18n("Go to Address %1").arg(instr->name()), 93);
+    popup.insertItem(i18n("Go to Address %1").tqarg(instr->name()), 93);
     popup.insertSeparator();
   }
 
@@ -615,11 +615,11 @@ bool InstrView::fillInstrRange(TraceFunction* function,
     // generate command
     TQString popencmd, objfile;
     objfile = function->object()->name();
-    objfile = objfile.replace(TQRegExp("[\"']"), ""); // security...
+    objfile = objfile.tqreplace(TQRegExp("[\"']"), ""); // security...
     popencmd = TQString("objdump -C -d "
                        "--start-address=0x%1 --stop-address=0x%2 \"%3\"")
-	.arg(dumpStartAddr.toString()).arg(dumpEndAddr.toString())
-	.arg(objfile);
+	.tqarg(dumpStartAddr.toString()).tqarg(dumpEndAddr.toString())
+	.tqarg(objfile);
     if (1) qDebug("Running '%s'...", popencmd.ascii());
 
     // and run...
@@ -875,7 +875,7 @@ bool InstrView::fillInstrRange(TraceFunction* function,
                            "There are %n cost lines without assembler code.", noAssLines));
 	new InstrItem(this, this, 2,
 		      i18n("This happens because the code of"));
-	new InstrItem(this, this, 3, TQString("        %1").arg(objfile));
+	new InstrItem(this, this, 3, TQString("        %1").tqarg(objfile));
 	new InstrItem(this, this, 4,
 		      i18n("does not seem to match the profile data file."));
 	new InstrItem(this, this, 5, "");
diff --git a/kcachegrind/kcachegrind/instrview.h b/kcachegrind/kcachegrind/instrview.h
index c807a0a4..fa175ae4 100644
--- a/kcachegrind/kcachegrind/instrview.h
+++ b/kcachegrind/kcachegrind/instrview.h
@@ -33,10 +33,11 @@ class InstrView : public TQListView, public TraceItemView
   friend class InstrItem;
 
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  InstrView(TraceItemView* parentView,
-            TQWidget* parent = 0, const char* name = 0);
+  InstrView(TraceItemView* tqparentView,
+            TQWidget* tqparent = 0, const char* name = 0);
 
   virtual TQWidget* widget() { return this; }
   TQString whatsThis() const;
diff --git a/kcachegrind/kcachegrind/listutils.cpp b/kcachegrind/kcachegrind/listutils.cpp
index 5c4a838c..0053646d 100644
--- a/kcachegrind/kcachegrind/listutils.cpp
+++ b/kcachegrind/kcachegrind/listutils.cpp
@@ -85,14 +85,14 @@ TQPixmap percentagePixmap(int w, int h, int percent, TQColor c, bool framed)
   if (w<3) return TQPixmap();
 
   TQPixmap pix(w, h);
-  pix.fill(Qt::white);
+  pix.fill(TQt::white);
   TQPainter p(&pix);
-  p.setPen(Qt::black);
+  p.setPen(TQt::black);
   if (framed)
     p.drawRect(0, 0, w, h);
 
   // inside
-  p.setPen(Qt::NoPen);
+  p.setPen(TQt::NoPen);
   p.setBrush(c);
   p.drawRect(ix1, iy1, filled-1,ih);
 
@@ -144,9 +144,9 @@ TQPixmap partitionPixmap(int w, int h,
   if (w<3) return TQPixmap();
 
   TQPixmap pix(w, h);
-  pix.fill(Qt::white);
+  pix.fill(TQt::white);
   TQPainter p(&pix);
-  p.setPen(Qt::black);
+  p.setPen(TQt::black);
   if (framed)
     p.drawRect(0, 0, w, h);
 
@@ -173,7 +173,7 @@ TQPixmap partitionPixmap(int w, int h,
     if (x2>=iw) x2=iw-1;
 
     // inside
-    p.setPen(Qt::NoPen);
+    p.setPen(TQt::NoPen);
     p.setBrush(c);
     p.drawRect(x1, iy1, x2-x1+1, ih);
 
diff --git a/kcachegrind/kcachegrind/loader.h b/kcachegrind/kcachegrind/loader.h
index 2c9937b9..ee374054 100644
--- a/kcachegrind/kcachegrind/loader.h
+++ b/kcachegrind/kcachegrind/loader.h
@@ -46,9 +46,10 @@ typedef TQPtrList<Loader> LoaderList;
  * KCachegrind will use the first matching loader.
  */
 
-class Loader: public QObject
+class Loader: public TQObject
 {
     Q_OBJECT
+  TQ_OBJECT
 
 public:
   Loader(TQString name, TQString desc);
@@ -66,7 +67,7 @@ public:
   TQString description() const { return _description; }
 
 signals:
-  void updateStatus(TQString, int);
+  void updatetqStatus(TQString, int);
 
 private:
   TQString _name, _description;
diff --git a/kcachegrind/kcachegrind/multiview.cpp b/kcachegrind/kcachegrind/multiview.cpp
index 4288e2df..014276df 100644
--- a/kcachegrind/kcachegrind/multiview.cpp
+++ b/kcachegrind/kcachegrind/multiview.cpp
@@ -34,8 +34,8 @@
 // MultiView
 //
 
-MultiView::MultiView(TopLevel* top, TQWidget* parent, const char* name)
-    : TQSplitter(parent, name), TraceItemView(0, top)
+MultiView::MultiView(TopLevel* top, TQWidget* tqparent, const char* name)
+    : TQSplitter(tqparent, name), TraceItemView(0, top)
 {
   // default
   setOrientation(Qt::Horizontal);
@@ -65,7 +65,7 @@ void MultiView::appendView()
     int n = _views.count()+1;
 
     TabView* tv = new TabView(this, this,
-			      TQString("TabView-%1").arg(n).ascii());
+			      TQString("TabView-%1").tqarg(n).ascii());
     connect(tv, TQT_SIGNAL(activated(TabView*)),
 	    this, TQT_SLOT(tabActivated(TabView*)) );
     _views.append(tv);
@@ -128,7 +128,7 @@ void MultiView::selected(TraceItemView* sender, TraceItem* i)
      // we react only on selection changes of the active TabView
     if (sender != (TraceItemView*)_active) return;
 
-    _views.findRef(_active);
+    _views.tqfindRef(_active);
     TabView* next = _views.next();
     if (!next) next = _views.first();
 
@@ -176,7 +176,7 @@ void MultiView::readViewConfig(KConfig* c,
   KConfigGroup* g = configGroup(c, prefix, postfix);
   int n = g->readNumEntry("Panels", 1);
   setChildCount(n);
-  setOrientation( (g->readEntry("Orientation") == TQString("Horizontal")) ?
+  setOrientation( (g->readEntry("Qt::Orientation") == TQString("Horizontal")) ?
 		  Qt::Horizontal : Qt::Vertical );
   
   setSizes(g->readIntListEntry("PanelSizes"));
@@ -187,7 +187,7 @@ void MultiView::readViewConfig(KConfig* c,
   TabView* tv, *activeTV = 0;
   for(tv=_views.first();tv;tv=_views.next()) {
     if (tv->name() == active) activeTV=tv;
-    tv->readViewConfig(c, TQString("%1-%2").arg(prefix).arg(tv->name()),
+    tv->readViewConfig(c, TQString("%1-%2").tqarg(prefix).tqarg(tv->name()),
 		       postfix, withOptions);
   }
 
@@ -207,7 +207,7 @@ void MultiView::saveViewConfig(KConfig* c,
   KConfigGroup g(c, (prefix+postfix).ascii());
   
   g.writeEntry("Panels", childCount());
-  g.writeEntry("Orientation",
+  g.writeEntry("Qt::Orientation",
 	       (orientation() == Qt::Horizontal) ?
 	       "Horizontal" : "Vertical");
   
@@ -216,7 +216,7 @@ void MultiView::saveViewConfig(KConfig* c,
 
   TabView* tv;
   for(tv=_views.first();tv;tv=_views.next())
-    tv->saveViewConfig(c, TQString("%1-%2").arg(prefix).arg(tv->name()),
+    tv->saveViewConfig(c, TQString("%1-%2").tqarg(prefix).tqarg(tv->name()),
 		       postfix, withOptions);
 }
 
diff --git a/kcachegrind/kcachegrind/multiview.h b/kcachegrind/kcachegrind/multiview.h
index b4b53928..393638ba 100644
--- a/kcachegrind/kcachegrind/multiview.h
+++ b/kcachegrind/kcachegrind/multiview.h
@@ -34,9 +34,10 @@
 class MultiView : public TQSplitter, public TraceItemView
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  MultiView(TopLevel* top, TQWidget* parent = 0, const char* name = 0);
+  MultiView(TopLevel* top, TQWidget* tqparent = 0, const char* name = 0);
 
   TQWidget* widget() { return this; }
   TabView* activeTabView() const { return _active; }
diff --git a/kcachegrind/kcachegrind/partgraph.cpp b/kcachegrind/kcachegrind/partgraph.cpp
index 11f4cd29..a7fd746a 100644
--- a/kcachegrind/kcachegrind/partgraph.cpp
+++ b/kcachegrind/kcachegrind/partgraph.cpp
@@ -29,8 +29,8 @@
 
 // PartAreaWidget
 
-PartAreaWidget::PartAreaWidget(TQWidget* parent, const char* name)
-    : TreeMapWidget(new BasePartItem(), parent, name)
+PartAreaWidget::PartAreaWidget(TQWidget* tqparent, const char* name)
+    : TreeMapWidget(new BasePartItem(), tqparent, name)
 {
   _data = 0;
   _function = 0;
@@ -90,7 +90,7 @@ void PartAreaWidget::refreshParts()
 {
   // rebuild only subparts to keep part selection state
   TreeMapItem* i;
-  TreeMapItemList* l = base()->children();
+  TreeMapItemList* l = base()->tqchildren();
   if (l)
     for (i=l->first();i;i=l->next())
       i->refresh();
@@ -115,7 +115,7 @@ void PartAreaWidget::setGroupType(TraceCost::CostType gt)
   // rebuild hierarchy below parts.
   // thus, selected parts stay selected
   TreeMapItem* i;
-  TreeMapItemList* l = base()->children();
+  TreeMapItemList* l = base()->tqchildren();
   if (l)
     for (i=l->first();i;i=l->next())
       i->refresh();
@@ -125,13 +125,13 @@ void PartAreaWidget::setGroupType(TraceCost::CostType gt)
 
 bool PartAreaWidget::isHidden(TracePart* part) const
 {
-  return (_hiddenParts.containsRef(part)>0);
+  return (_hiddenParts.tqcontainsRef(part)>0);
 }
 
 TQColor PartAreaWidget::groupColor(TraceFunction* f) const
 {
   if (!f)
-    return colorGroup().button();
+    return tqcolorGroup().button();
 
   return Configuration::functionColor(_groupType, f);
 }
@@ -156,15 +156,15 @@ TQString PartAreaWidget::tipString(TreeMapItem* i) const
       itemTip += "\n";
 
     tip = itemTip + tip;
-    i = i->parent();
+    i = i->tqparent();
     count++;
   }
 
   // skip to part
-  while (i && i->rtti()==3) i = i->parent();
+  while (i && i->rtti()==3) i = i->tqparent();
 
   if (i && i->rtti()==2) {
-    itemTip = i18n("Profile Part %1").arg(i->text(0));
+    itemTip = i18n("Profile Part %1").tqarg(i->text(0));
     if (!i->text(1).isEmpty())
         itemTip += " (" + i->text(1) + ")";
 
@@ -201,9 +201,9 @@ void BasePartItem::setData(TraceData* data)
   refresh();
 }
 
-TreeMapItemList* BasePartItem::children()
+TreeMapItemList* BasePartItem::tqchildren()
 {
-  if (!_data) return _children;
+  if (!_data) return _tqchildren;
 
   if (!initialized()) {
 //    qDebug("Create Parts (%s)", name().ascii());
@@ -216,7 +216,7 @@ TreeMapItemList* BasePartItem::children()
         addItem(new PartItem(part));
   }
 
-  return _children;
+  return _tqchildren;
 }
 
 TQString BasePartItem::text(int textNo) const
@@ -228,13 +228,13 @@ TQString BasePartItem::text(int textNo) const
     if (_data->parts().count() == 0)
       return i18n("(no part)");
   }
-  return TQString::null;
+  return TQString();
 }
 
 
 TQColor BasePartItem::backColor() const
 {
-  return widget()->colorGroup().base();
+  return widget()->tqcolorGroup().base();
 }
 
 double BasePartItem::value() const
@@ -263,7 +263,7 @@ TQString PartItem::text(int textNo) const
     return _p->prettyName();
 
   if (textNo != 1)
-    return TQString::null;
+    return TQString();
 
   TraceCostType* ct;
   PartAreaWidget* w = (PartAreaWidget*)widget();
@@ -276,7 +276,7 @@ TQString PartItem::text(int textNo) const
     TraceCost* t = _p->data()->totals();
     double p  = 100.0 * v / t->subCost(ct);
     return TQString("%1 %")
-      .arg(p, 0, 'f', Configuration::percentPrecision());
+      .tqarg(p, 0, 'f', Configuration::percentPrecision());
   }
   return v.pretty();
 }
@@ -324,9 +324,9 @@ double PartItem::sum() const
   return 0.0;
 }
 
-TreeMapItemList* PartItem::children()
+TreeMapItemList* PartItem::tqchildren()
 {
-  if (initialized()) return _children;
+  if (initialized()) return _tqchildren;
 
   TraceCost* c;
 //    qDebug("Create Part subitems (%s)", name().ascii());
@@ -339,7 +339,7 @@ TreeMapItemList* PartItem::children()
       if (c) addItem(new SubPartItem(c));
     }
 
-    return _children;
+    return _tqchildren;
   }
 
 
@@ -397,7 +397,7 @@ TreeMapItemList* PartItem::children()
     break;
   }
 
-  return _children;
+  return _tqchildren;
 }
 
 
@@ -426,7 +426,7 @@ TQString SubPartItem::text(int textNo) const
   }
 
   if (textNo != 1)
-    return TQString::null;
+    return TQString();
 
   TraceCostType* ct;
   PartAreaWidget* w = (PartAreaWidget*)widget();
@@ -443,7 +443,7 @@ TQString SubPartItem::text(int textNo) const
 	_partCostItem->part() : _partCostItem->part()->data()->totals();
     double p  = 100.0 * v / t->subCost(ct);
     return TQString("%1 %")
-      .arg(p, 0, 'f', Configuration::percentPrecision());
+      .tqarg(p, 0, 'f', Configuration::percentPrecision());
   }
   return v.pretty();
 }
@@ -491,7 +491,7 @@ double SubPartItem::sum() const
   return 0.0;
 }
 
-TreeMapItemList* SubPartItem::children()
+TreeMapItemList* SubPartItem::tqchildren()
 {
   if (!initialized()) {
 //    qDebug("Create Part sub-subitems (%s)", name().ascii());
@@ -499,7 +499,7 @@ TreeMapItemList* SubPartItem::children()
     PartAreaWidget* w = (PartAreaWidget*)widget();
 
     if (depth()-2 > w->callLevels())
-      return _children;
+      return _tqchildren;
 
     if (w->visualisation() == PartAreaWidget::Inclusive) {
       TracePartCall* call;
@@ -517,7 +517,7 @@ TreeMapItemList* SubPartItem::children()
     }
   }
 
-  return _children;
+  return _tqchildren;
 }
 
 
diff --git a/kcachegrind/kcachegrind/partgraph.h b/kcachegrind/kcachegrind/partgraph.h
index 7b8056a7..1477382e 100644
--- a/kcachegrind/kcachegrind/partgraph.h
+++ b/kcachegrind/kcachegrind/partgraph.h
@@ -29,12 +29,13 @@
 class PartAreaWidget: public TreeMapWidget
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
   // Visualisation inside of trace parts
   enum VisualisationMode { NoVisualisation, Partitioning, Inclusive };
 
-  PartAreaWidget(TQWidget* parent=0, const char* name=0);
+  PartAreaWidget(TQWidget* tqparent=0, const char* name=0);
 
   void setData(TraceData* d);
   void setCostType(TraceCostType* ct);
@@ -82,7 +83,7 @@ public:
   double value() const;
   TQString text(int) const;
   int borderWidth() const { return 0; }
-  TreeMapItemList* children();
+  TreeMapItemList* tqchildren();
   TQColor backColor() const;
 
 private:
@@ -100,7 +101,7 @@ public:
   int borderWidth() const { return 0; }
   TQString text(int) const;
   TQPixmap pixmap(int) const;
-  TreeMapItemList* children();
+  TreeMapItemList* tqchildren();
   TQColor backColor() const;
 
 private:
@@ -119,7 +120,7 @@ public:
   SplitMode splitMode() const { return Vertical; }
   TQString text(int) const;
   TQPixmap pixmap(int) const;
-  TreeMapItemList* children();
+  TreeMapItemList* tqchildren();
   TQColor backColor() const;
 
 private:
diff --git a/kcachegrind/kcachegrind/partlistitem.cpp b/kcachegrind/kcachegrind/partlistitem.cpp
index 40c2db36..f23db9a4 100644
--- a/kcachegrind/kcachegrind/partlistitem.cpp
+++ b/kcachegrind/kcachegrind/partlistitem.cpp
@@ -33,10 +33,10 @@
 
 // PartListItem
 
-PartListItem::PartListItem(TQListView* parent, TraceCostItem* costItem,
+PartListItem::PartListItem(TQListView* tqparent, TraceCostItem* costItem,
                            TraceCostType* ct, TraceCost::CostType gt,
 			   TracePart* part)
-  :TQListViewItem(parent)
+  :TQListViewItem(tqparent)
 {
   _partCostItem = costItem->findDepFromPart(part);
   _part = part;
@@ -46,7 +46,7 @@ PartListItem::PartListItem(TQListView* parent, TraceCostItem* costItem,
 #if 0
   TQString partName = TQString::number(part->partNumber());
   if (part->data()->maxThreadID() >1)
-      partName += i18n(" (Thread %1)").arg(part->threadID());
+      partName += i18n(" (Thread %1)").tqarg(part->threadID());
   setText(0, partName);
 #else
   setText(0, _part->prettyName());
@@ -107,7 +107,7 @@ void PartListItem::update()
     double pure  = 100.0 * _pure / selfTotal;
     if (Configuration::showPercentage()) {
       setText(2, TQString("%1")
-              .arg(pure, 0, 'f', Configuration::percentPrecision()));
+              .tqarg(pure, 0, 'f', Configuration::percentPrecision()));
     }
     else
       setText(2, _partCostItem->prettySubCost(_costType));
@@ -123,7 +123,7 @@ void PartListItem::update()
     double sum  = 100.0 * _sum / total;
     if (Configuration::showPercentage()) {
       setText(1, TQString("%1")
-              .arg(sum, 0, 'f', Configuration::percentPrecision()));
+              .tqarg(sum, 0, 'f', Configuration::percentPrecision()));
     }
     else
       setText(1, _sum.pretty());
diff --git a/kcachegrind/kcachegrind/partlistitem.h b/kcachegrind/kcachegrind/partlistitem.h
index 6704f51e..c395b239 100644
--- a/kcachegrind/kcachegrind/partlistitem.h
+++ b/kcachegrind/kcachegrind/partlistitem.h
@@ -29,10 +29,10 @@
  *
  * Note: on a cost item / percentage change, the list is rebuild
  */
-class PartListItem: public QListViewItem
+class PartListItem: public TQListViewItem
 {
 public:
-  PartListItem(TQListView* parent, TraceCostItem* costItem,
+  PartListItem(TQListView* tqparent, TraceCostItem* costItem,
                TraceCostType* ct, TraceCost::CostType gt, TracePart* part);
 
   int compare(TQListViewItem * i, int col, bool ascending ) const;
diff --git a/kcachegrind/kcachegrind/partselection.cpp b/kcachegrind/kcachegrind/partselection.cpp
index dfd1b096..3b1e6063 100644
--- a/kcachegrind/kcachegrind/partselection.cpp
+++ b/kcachegrind/kcachegrind/partselection.cpp
@@ -17,7 +17,7 @@
 */
 
 /*
- * For part file selection, to be put into a QDockWindow
+ * For part file selection, to be put into a TQDockWindow
  */
 
 #include <tqtimer.h>
@@ -36,8 +36,8 @@
 #include "partselection.h"
 #include "partgraph.h"
 
-PartSelection::PartSelection( TQWidget* parent, const char* name)
-  : PartSelectionBase(parent, name)
+PartSelection::PartSelection( TQWidget* tqparent, const char* name)
+  : PartSelectionBase(tqparent, name)
 {
   _data = 0;
   _costType = 0;
@@ -148,7 +148,7 @@ void PartSelection::currentChangedSlot(TreeMapItem* i, bool kbd)
   TQString str = i->text(0);
   if (!i->text(1).isEmpty())
     str += " (" + i->text(1) + ")";
-  TQString msg = i18n("Profile Part Overview: Current is '%1'").arg(str);
+  TQString msg = i18n("Profile Part Overview: Current is '%1'").tqarg(str);
   emit showMessage(msg, 5000);
 
   if (_showInfo) fillInfo();
@@ -203,7 +203,7 @@ void PartSelection::selectionChanged()
   TracePart* part;
 
   // if nothing is selected, activate all parts
-  TreeMapItemList* list = partAreaWidget->base()->children();
+  TreeMapItemList* list = partAreaWidget->base()->tqchildren();
   if (!list) return;
 
   for (i=list->first();i;i=list->next())
@@ -235,11 +235,11 @@ void PartSelection::activePartsChangedSlot(const TracePartList& list)
   kdDebug() << "Entering PartSelection::activePartsChangedSlot" << endl;
 
   TreeMapItem* i;
-  TreeMapItemList l = *partAreaWidget->base()->children();
+  TreeMapItemList l = *partAreaWidget->base()->tqchildren();
   // first deselect inactive, then select active (makes current active)
   for (i=l.first();i;i=l.next()) {
     TracePart* part = ((PartItem*)i)->part();
-    bool active = (list.containsRef(part)>0);
+    bool active = (list.tqcontainsRef(part)>0);
     if (!active && partAreaWidget->isSelected(i)) {
 #if 0
       qDebug("PartSelection::partsChangedSlot: Part %s changed to unselected.",
@@ -251,7 +251,7 @@ void PartSelection::activePartsChangedSlot(const TracePartList& list)
   }
   for (i=l.first();i;i=l.next()) {
     TracePart* part = ((PartItem*)i)->part();
-    bool active = (list.containsRef(part)>0);
+    bool active = (list.tqcontainsRef(part)>0);
     if (active && !partAreaWidget->isSelected(i)) {
 #if 0
       qDebug("PartSelection::partsChangedSlot: Part %s changed to selected.",
@@ -310,7 +310,7 @@ void PartSelection::contextMenuRequested(TreeMapItem* i,
 
       str = i18n("Select") + " '" + ni->text(0) + "'";
       popup.insertItem(str, id);
-      ni = ni->parent();
+      ni = ni->tqparent();
       id++;
     }
   }
@@ -365,7 +365,7 @@ void PartSelection::contextMenuRequested(TreeMapItem* i,
   if (r>=100) {
     TreeMapItem* ci = i;
     while (ci && r>100) {
-      ci = ci->parent();
+      ci = ci->tqparent();
       r--;
     }
     doubleClicked(ci);
@@ -381,7 +381,7 @@ void PartSelection::contextMenuRequested(TreeMapItem* i,
   case 2:
     // select all parts
   {
-    TreeMapItemList list = *partAreaWidget->base()->children();
+    TreeMapItemList list = *partAreaWidget->base()->tqchildren();
     partAreaWidget->setRangeSelection(list.first(), list.last(), true);
   }
   break;
@@ -545,7 +545,7 @@ void PartSelection::fillInfo()
   TQString info = _data->activePartRange();
 
   TreeMapItem* i = partAreaWidget->current();
-  while (i && i->rtti()!=2) i = i->parent();
+  while (i && i->rtti()!=2) i = i->tqparent();
   if (i) {
     TracePart* part = ((PartItem*)i)->part();
 
diff --git a/kcachegrind/kcachegrind/partselection.h b/kcachegrind/kcachegrind/partselection.h
index b3ea10ba..dfdeff17 100644
--- a/kcachegrind/kcachegrind/partselection.h
+++ b/kcachegrind/kcachegrind/partselection.h
@@ -18,7 +18,7 @@
 
 /*
  * PartSelection for KCachegrind
- * For part file selection, to be put into a QDockWindow
+ * For part file selection, to be put into a TQDockWindow
  */
 
 #ifndef PARTSELECTION_H
@@ -38,9 +38,10 @@ class TreeMapItem;
 class PartSelection: public PartSelectionBase
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  PartSelection( TQWidget* parent = 0, const char* name = 0);
+  PartSelection( TQWidget* tqparent = 0, const char* name = 0);
   ~PartSelection();
 
   TraceData* data() { return _data; }
diff --git a/kcachegrind/kcachegrind/partselectionbase.ui b/kcachegrind/kcachegrind/partselectionbase.ui
index 3267f49a..f3505368 100644
--- a/kcachegrind/kcachegrind/partselectionbase.ui
+++ b/kcachegrind/kcachegrind/partselectionbase.ui
@@ -1,10 +1,10 @@
 <!DOCTYPE UI><UI version="3.0" stdsetdef="1">
 <class>PartSelectionBase</class>
-<widget class="QWidget">
+<widget class="TQWidget">
     <property name="name">
         <cstring>PartSelectionBase</cstring>
     </property>
-    <property name="geometry">
+    <property name="tqgeometry">
         <rect>
             <x>0</x>
             <y>0</y>
@@ -37,14 +37,14 @@
                     <verstretch>0</verstretch>
                 </sizepolicy>
             </property>
-            <property name="minimumSize">
+            <property name="tqminimumSize">
                 <size>
                     <width>0</width>
                     <height>50</height>
                 </size>
             </property>
         </widget>
-        <widget class="QLabel">
+        <widget class="TQLabel">
             <property name="name">
                 <cstring>rangeLabel</cstring>
             </property>
@@ -85,5 +85,5 @@
         <data format="XPM.GZ" length="5230">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</data>
     </image>
 </images>
-<layoutdefaults spacing="6" margin="11"/>
+<tqlayoutdefaults spacing="6" margin="11"/>
 </UI>
diff --git a/kcachegrind/kcachegrind/partview.cpp b/kcachegrind/kcachegrind/partview.cpp
index 470a8dea..24262885 100644
--- a/kcachegrind/kcachegrind/partview.cpp
+++ b/kcachegrind/kcachegrind/partview.cpp
@@ -37,9 +37,9 @@
 //
 
 
-PartView::PartView(TraceItemView* parentView,
-		   TQWidget* parent, const char* name)
-  : TQListView(parent, name), TraceItemView(parentView)
+PartView::PartView(TraceItemView* tqparentView,
+		   TQWidget* tqparent, const char* name)
+  : TQListView(tqparent, name), TraceItemView(tqparentView)
 {
     _inSelectionUpdate = false;
 
@@ -51,9 +51,9 @@ PartView::PartView(TraceItemView* parentView,
     addColumn( i18n( "Comment" ) );
 
     setAllColumnsShowFocus(true);
-    setColumnAlignment(1, Qt::AlignRight);
-    setColumnAlignment(2, Qt::AlignRight);
-    setColumnAlignment(3, Qt::AlignRight);
+    setColumnAlignment(1, TQt::AlignRight);
+    setColumnAlignment(2, TQt::AlignRight);
+    setColumnAlignment(3, TQt::AlignRight);
     setMinimumHeight(50);
     setSelectionMode(Extended);
 
@@ -103,8 +103,8 @@ void PartView::context(TQListViewItem* i, const TQPoint & pos, int)
   TracePart* p = i ? ((PartListItem*) i)->part() : 0;
 
   if (p) {
-    popup.insertItem(i18n("Select '%1'").arg(p->name()), 93);
-    popup.insertItem(i18n("Hide '%1'").arg(p->name()), 94);
+    popup.insertItem(i18n("Select '%1'").tqarg(p->name()), 93);
+    popup.insertItem(i18n("Hide '%1'").tqarg(p->name()), 94);
     popup.insertSeparator();
   }
 
@@ -138,8 +138,8 @@ void PartView::selectionChangedSlot()
 
 TraceItem* PartView::canShow(TraceItem* i)
 {
-  if (!data()) return 0;
-  if (data()->parts().count()>1) return i;
+  if (!TraceItemView::data()) return 0;
+  if (TraceItemView::data()->parts().count()>1) return i;
   return 0;
 }
 
@@ -175,7 +175,7 @@ void PartView::doUpdate(int changeType)
       for(;item;item = item->nextSibling()) {
         part = ((PartListItem*)item)->part();
 
-        if (_partList.containsRef(part)>0) {
+        if (_partList.tqcontainsRef(part)>0) {
           setSelected(item, true);
           ensureItemVisible(item);
         }
@@ -214,7 +214,7 @@ void PartView::refresh()
 
     TQListViewItem* item = 0;
     for (part = allParts.first(); part; part = allParts.next()) {
-	if (hidden.findRef(part)>=0) continue;
+	if (hidden.tqfindRef(part)>=0) continue;
 	item = new PartListItem(this, f, _costType, _groupType, part);
 
 	if (part->isActive()) {
diff --git a/kcachegrind/kcachegrind/partview.h b/kcachegrind/kcachegrind/partview.h
index 03793e36..0d4e882c 100644
--- a/kcachegrind/kcachegrind/partview.h
+++ b/kcachegrind/kcachegrind/partview.h
@@ -30,10 +30,11 @@
 class PartView: public TQListView, public TraceItemView
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  PartView(TraceItemView* parentView,
-	   TQWidget* parent=0, const char* name=0);
+  PartView(TraceItemView* tqparentView,
+	   TQWidget* tqparent=0, const char* name=0);
 
   virtual TQWidget* widget() { return this; }
   TQString whatsThis() const;
diff --git a/kcachegrind/kcachegrind/sourceitem.cpp b/kcachegrind/kcachegrind/sourceitem.cpp
index 40a97ca3..1da4dafb 100644
--- a/kcachegrind/kcachegrind/sourceitem.cpp
+++ b/kcachegrind/kcachegrind/sourceitem.cpp
@@ -37,11 +37,11 @@
 // SourceItem
 
 // for source lines
-SourceItem::SourceItem(SourceView* sv, TQListView* parent,
+SourceItem::SourceItem(SourceView* sv, TQListView* tqparent,
 		       int fileno, unsigned int lineno,
                        bool inside, const TQString& src,
                        TraceLine* line)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _view = sv;
   _lineno = lineno;
@@ -57,17 +57,17 @@ SourceItem::SourceItem(SourceView* sv, TQListView* parent,
       setText(0, TQString::number(lineno));
 
   TQString s = src;
-  setText(4, s.replace( TQRegExp("\t"), "        " ));
+  setText(4, s.tqreplace( TQRegExp("\t"), "        " ));
 
   updateGroup();
   updateCost();
 }
 
 // for call lines
-SourceItem::SourceItem(SourceView* sv, TQListViewItem* parent,
+SourceItem::SourceItem(SourceView* sv, TQListViewItem* tqparent,
 		       int fileno, unsigned int lineno,
                        TraceLine* line, TraceLineCall* lineCall)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _view = sv;
   _lineno = lineno;
@@ -87,7 +87,7 @@ SourceItem::SourceItem(SourceView* sv, TQListViewItem* parent,
   else
     templ += i18n("%n call to '%1'", "%n calls to '%1'", cc);
 
-  TQString callStr = templ.arg(_lineCall->call()->calledName());
+  TQString callStr = templ.tqarg(_lineCall->call()->calledName());
   TraceFunction* calledF = _lineCall->call()->called();
   calledF->addPrettyLocation(callStr);
 
@@ -98,10 +98,10 @@ SourceItem::SourceItem(SourceView* sv, TQListViewItem* parent,
 }
 
 // for jump lines
-SourceItem::SourceItem(SourceView* sv, TQListViewItem* parent,
+SourceItem::SourceItem(SourceView* sv, TQListViewItem* tqparent,
 		       int fileno, unsigned int lineno,
                        TraceLine* line, TraceLineJump* lineJump)
-    : TQListViewItem(parent)
+    : TQListViewItem(tqparent)
 {
   _view = sv;
   _lineno = lineno;
@@ -123,13 +123,13 @@ SourceItem::SourceItem(SourceView* sv, TQListViewItem* parent,
   TQString jStr;
   if (_lineJump->isCondJump())
       jStr = i18n("Jump %1 of %2 times to %3")
-	  .arg(_lineJump->followedCount().pretty())
-	  .arg(_lineJump->executedCount().pretty())
-	  .arg(to);
+	  .tqarg(_lineJump->followedCount().pretty())
+	  .tqarg(_lineJump->executedCount().pretty())
+	  .tqarg(to);
   else
       jStr = i18n("Jump %1 times to %2")
-	  .arg(_lineJump->executedCount().pretty())
-	  .arg(to);
+	  .tqarg(_lineJump->executedCount().pretty())
+	  .tqarg(to);
 
   setText(4, jStr);
 }
@@ -184,7 +184,7 @@ void SourceItem::updateCost()
   TraceCostType* ct = _view->costType();
   _pure = ct ? lineCost->subCost(ct) : SubCost(0);
   if (_pure == 0) {
-    setText(1, TQString::null);
+    setText(1, TQString());
     setPixmap(1, TQPixmap());
   }
   else {
@@ -193,7 +193,7 @@ void SourceItem::updateCost()
 
     if (Configuration::showPercentage())
       setText(1, TQString("%1")
-	      .arg(pure, 0, 'f', Configuration::percentPrecision()));
+	      .tqarg(pure, 0, 'f', Configuration::percentPrecision()));
     else
       setText(1, _pure.pretty());
 
@@ -203,7 +203,7 @@ void SourceItem::updateCost()
   TraceCostType* ct2 = _view->costType2();
   _pure2 = ct2 ? lineCost->subCost(ct2) : SubCost(0);
   if (_pure2 == 0) {
-    setText(2, TQString::null);
+    setText(2, TQString());
     setPixmap(2, TQPixmap());
   }
   else {
@@ -212,7 +212,7 @@ void SourceItem::updateCost()
 
     if (Configuration::showPercentage())
       setText(2, TQString("%1")
-	      .arg(pure2, 0, 'f', Configuration::percentPrecision()));
+	      .tqarg(pure2, 0, 'f', Configuration::percentPrecision()));
     else
       setText(2, _pure2.pretty());
 
@@ -285,7 +285,7 @@ int SourceItem::compare(TQListViewItem * i, int col, bool ascending ) const
 }
 
 void SourceItem::paintCell( TQPainter *p, const TQColorGroup &cg,
-                            int column, int width, int alignment )
+                            int column, int width, int tqalignment )
 {
   TQColorGroup _cg( cg );
 
@@ -297,7 +297,7 @@ void SourceItem::paintCell( TQPainter *p, const TQColorGroup &cg,
   if (column == 3)
       paintArrows(p, _cg, width);
   else
-      TQListViewItem::paintCell( p, _cg, column, width, alignment );
+      TQListViewItem::paintCell( p, _cg, column, width, tqalignment );
 }
 
 void SourceItem::setJumpArray(const TQMemArray<TraceLineJump*>& a)
@@ -314,7 +314,7 @@ void SourceItem::paintArrows(TQPainter *p, const TQColorGroup &cg, int width)
   const BackgroundMode bgmode = lv->viewport()->backgroundMode();
   const TQColorGroup::ColorRole crole
     = TQPalette::backgroundRoleFromMode( bgmode );
-  if ( cg.brush( crole ) != lv->colorGroup().brush( crole ) )
+  if ( cg.brush( crole ) != lv->tqcolorGroup().brush( crole ) )
     p->fillRect( 0, 0, width, height(), cg.brush( crole ) );
   else
     sv->paintEmptyArea( p, TQRect( 0, 0, width, height() ) );
@@ -391,13 +391,13 @@ void SourceItem::paintArrows(TQPainter *p, const TQColorGroup &cg, int width)
       p->drawConvexPolygon(a);
 
       p->setPen(c.light());
-      p->drawPolyline(a, 0, 5);
+      p->tqdrawPolyline(a, 0, 5);
       p->setPen(c.dark());
-      p->drawPolyline(a, 4, 2);
+      p->tqdrawPolyline(a, 4, 2);
       p->setPen(c.light());
-      p->drawPolyline(a, 5, 2);
+      p->tqdrawPolyline(a, 5, 2);
       p->setPen(c.dark());
-      p->drawPolyline(a, 6, 2);
+      p->tqdrawPolyline(a, 6, 2);
   }
 
   // draw inner vertical line for start/stop
diff --git a/kcachegrind/kcachegrind/sourceitem.h b/kcachegrind/kcachegrind/sourceitem.h
index 5f32da4c..532811e0 100644
--- a/kcachegrind/kcachegrind/sourceitem.h
+++ b/kcachegrind/kcachegrind/sourceitem.h
@@ -28,22 +28,22 @@
 
 class SourceView;
 
-class SourceItem: public QListViewItem
+class SourceItem: public TQListViewItem
 {
 public:
   // for source lines
-  SourceItem(SourceView* sv, TQListView* parent, 
+  SourceItem(SourceView* sv, TQListView* tqparent, 
 	     int fileno, unsigned int lineno,
 	     bool inside, const TQString& src,
              TraceLine* line = 0);
 
   // for call lines
-  SourceItem(SourceView* sv, TQListViewItem* parent, 
+  SourceItem(SourceView* sv, TQListViewItem* tqparent, 
 	     int fileno, unsigned int lineno,
              TraceLine* line, TraceLineCall* lineCall);
 
   // for jump lines
-  SourceItem(SourceView* sv, TQListViewItem* parent, 
+  SourceItem(SourceView* sv, TQListViewItem* tqparent, 
 	     int fileno, unsigned int lineno,
              TraceLine* line, TraceLineJump* lineJump);
 
@@ -57,7 +57,7 @@ public:
   int compare(TQListViewItem * i, int col, bool ascending ) const;
 
   void paintCell( TQPainter *p, const TQColorGroup &cg,
-                  int column, int width, int alignment );
+                  int column, int width, int tqalignment );
   int width( const TQFontMetrics& fm,
              const TQListView* lv, int c ) const;
   void updateGroup();
diff --git a/kcachegrind/kcachegrind/sourceview.cpp b/kcachegrind/kcachegrind/sourceview.cpp
index a3a301c6..cdd3589c 100644
--- a/kcachegrind/kcachegrind/sourceview.cpp
+++ b/kcachegrind/kcachegrind/sourceview.cpp
@@ -37,9 +37,9 @@
 //
 
 
-SourceView::SourceView(TraceItemView* parentView,
-                       TQWidget* parent, const char* name)
-  : TQListView(parent, name), TraceItemView(parentView)
+SourceView::SourceView(TraceItemView* tqparentView,
+                       TQWidget* tqparent, const char* name)
+  : TQListView(tqparent, name), TraceItemView(tqparentView)
 {
   _inSelectionUpdate = false;
 
@@ -54,9 +54,9 @@ SourceView::SourceView(TraceItemView* parentView,
   addColumn( i18n( "Source (unknown)" ) );
 
   setAllColumnsShowFocus(true);
-  setColumnAlignment(0, Qt::AlignRight);
-  setColumnAlignment(1, Qt::AlignRight);
-  setColumnAlignment(2, Qt::AlignRight);
+  setColumnAlignment(0, TQt::AlignRight);
+  setColumnAlignment(1, TQt::AlignRight);
+  setColumnAlignment(2, TQt::AlignRight);
   setResizeMode(TQListView::LastColumn);
 
   connect(this,
@@ -113,11 +113,11 @@ void SourceView::context(TQListViewItem* i, const TQPoint & p, int c)
     TQString name = f->name();
     if ((int)name.length()>Configuration::maxSymbolLength())
       name = name.left(Configuration::maxSymbolLength()) + "...";
-    popup.insertItem(i18n("Go to '%1'").arg(name), 93);
+    popup.insertItem(i18n("Go to '%1'").tqarg(name), 93);
     popup.insertSeparator();
   }
   else if (line) {
-    popup.insertItem(i18n("Go to Line %1").arg(line->name()), 93);
+    popup.insertItem(i18n("Go to Line %1").tqarg(line->name()), 93);
     popup.insertSeparator();
   }
 
@@ -513,7 +513,7 @@ void SourceView::fillSourceFile(TraceFunctionSource* sf, int fileno)
 	  new SourceItem(this, this, fileno, 1, false,
 			 i18n("with any source line of this function in file"));
 	  new SourceItem(this, this, fileno, 2, false,
-			 TQString("    '%1'").arg(sf->function()->prettyName()));
+			 TQString("    '%1'").tqarg(sf->function()->prettyName()));
 	  new SourceItem(this, this, fileno, 3, false,
 			 i18n("Thus, no annotated source can be shown."));
 	  return;
@@ -550,13 +550,13 @@ void SourceView::fillSourceFile(TraceFunctionSource* sf, int fileno)
   // do it here, because the source directory could have been set before
   if (childCount()==0) {
     setColumnText(4, validSourceFile ?
-                  i18n("Source ('%1')").arg(filename) :
+                  i18n("Source ('%1')").tqarg(filename) :
                   i18n("Source (unknown)"));
   }
   else {
     new SourceItem(this, this, fileno, 0, true,
                    validSourceFile ?
-                   i18n("--- Inlined from '%1' ---").arg(filename) :
+                   i18n("--- Inlined from '%1' ---").tqarg(filename) :
                    i18n("--- Inlined from unknown source ---"));
   }
 
@@ -564,7 +564,7 @@ void SourceView::fillSourceFile(TraceFunctionSource* sf, int fileno)
     new SourceItem(this, this, fileno, 0, false,
                    i18n("There is no source available for the following function:"));
     new SourceItem(this, this, fileno, 1, false,
-                   TQString("    '%1'").arg(sf->function()->prettyName()));
+                   TQString("    '%1'").tqarg(sf->function()->prettyName()));
     if (sf->file()->name().isEmpty()) {
       new SourceItem(this, this, fileno, 2, false,
                      i18n("This is because no debug information is present."));
@@ -575,14 +575,14 @@ void SourceView::fillSourceFile(TraceFunctionSource* sf, int fileno)
                        i18n("The function is located in this ELF object:"));
         new SourceItem(this, this, fileno, 5, false,
                        TQString("    '%1'")
-                       .arg(sf->function()->object()->prettyName()));
+                       .tqarg(sf->function()->object()->prettyName()));
       }
     }
     else {
       new SourceItem(this, this, fileno, 2, false,
                      i18n("This is because its source file cannot be found:"));
       new SourceItem(this, this, fileno, 3, false,
-                     TQString("    '%1'").arg(sf->file()->name()));
+                     TQString("    '%1'").tqarg(sf->file()->name()));
       new SourceItem(this, this, fileno, 4, false,
                      i18n("Add the folder of this file to the source folder list."));
       new SourceItem(this, this, fileno, 5, false,
diff --git a/kcachegrind/kcachegrind/sourceview.h b/kcachegrind/kcachegrind/sourceview.h
index 6856eddb..4c40b13d 100644
--- a/kcachegrind/kcachegrind/sourceview.h
+++ b/kcachegrind/kcachegrind/sourceview.h
@@ -33,10 +33,11 @@ class SourceView : public TQListView, public TraceItemView
   friend class SourceItem;
 
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  SourceView(TraceItemView* parentView,
-            TQWidget* parent = 0, const char* name = 0);
+  SourceView(TraceItemView* tqparentView,
+            TQWidget* tqparent = 0, const char* name = 0);
 
   TQWidget* widget() { return this; }
   TQString whatsThis() const;
diff --git a/kcachegrind/kcachegrind/stackbrowser.cpp b/kcachegrind/kcachegrind/stackbrowser.cpp
index 78095eb2..843714a9 100644
--- a/kcachegrind/kcachegrind/stackbrowser.cpp
+++ b/kcachegrind/kcachegrind/stackbrowser.cpp
@@ -172,7 +172,7 @@ TraceFunction* Stack::called(TraceFunction* fn, bool extend)
   return 0;
 }
 
-bool Stack::contains(TraceFunction* fn)
+bool Stack::tqcontains(TraceFunction* fn)
 {
     // cycles are listed on there own
     if (fn->cycle() == fn) return false;
@@ -337,7 +337,7 @@ HistoryItem* StackBrowser::select(TraceFunction* f)
     }
 
     Stack* s = _current->stack();
-    if (!s->contains(f)) {
+    if (!s->tqcontains(f)) {
       s = s->split(f);
       if (!s)
         s = new Stack(f);
diff --git a/kcachegrind/kcachegrind/stackbrowser.h b/kcachegrind/kcachegrind/stackbrowser.h
index e7d6b802..7e7677fe 100644
--- a/kcachegrind/kcachegrind/stackbrowser.h
+++ b/kcachegrind/kcachegrind/stackbrowser.h
@@ -29,7 +29,7 @@ public:
   Stack(TraceFunction*);
 
   // extend the stack at top/bottom if possible
-  bool contains(TraceFunction*);
+  bool tqcontains(TraceFunction*);
 
   void extendBottom();
   void extendTop();
diff --git a/kcachegrind/kcachegrind/stackitem.cpp b/kcachegrind/kcachegrind/stackitem.cpp
index e3763ab4..3b41740a 100644
--- a/kcachegrind/kcachegrind/stackitem.cpp
+++ b/kcachegrind/kcachegrind/stackitem.cpp
@@ -31,8 +31,8 @@
 // StackItem
 
 StackItem::StackItem(StackSelection* ss, 
-		     TQListView* parent, TraceFunction* f)
-  :TQListViewItem(parent)
+		     TQListView* tqparent, TraceFunction* f)
+  :TQListViewItem(tqparent)
 {
   _view = ss;
   _function = f;
@@ -46,8 +46,8 @@ StackItem::StackItem(StackSelection* ss,
 }
 
 StackItem::StackItem(StackSelection* ss,
-		     TQListView* parent, TraceCall* call)
-  :TQListViewItem(parent)
+		     TQListView* tqparent, TraceCall* call)
+  :TQListViewItem(tqparent)
 {
   _view = ss;
   _call = call;
@@ -85,7 +85,7 @@ void StackItem::updateCost()
 
     if (Configuration::showPercentage())
       setText(0, TQString("%1")
-	      .arg(sum, 0, 'f', Configuration::percentPrecision()));
+	      .tqarg(sum, 0, 'f', Configuration::percentPrecision()));
     else
       setText(0, _call->prettySubCost(ct));
     
@@ -107,7 +107,7 @@ void StackItem::updateCost()
 
     if (Configuration::showPercentage())
       setText(1, TQString("%1")
-	      .arg(sum, 0, 'f', Configuration::percentPrecision()));
+	      .tqarg(sum, 0, 'f', Configuration::percentPrecision()));
     else
       setText(1, _call->prettySubCost(ct2));
     
diff --git a/kcachegrind/kcachegrind/stackitem.h b/kcachegrind/kcachegrind/stackitem.h
index 1701f010..31e24b75 100644
--- a/kcachegrind/kcachegrind/stackitem.h
+++ b/kcachegrind/kcachegrind/stackitem.h
@@ -32,12 +32,12 @@ class StackSelection;
 
 // for the stack browser
 
-class StackItem: public QListViewItem
+class StackItem: public TQListViewItem
 {
 public:
   // for top
-  StackItem(StackSelection* ss, TQListView* parent, TraceFunction* f);
-  StackItem(StackSelection* ss, TQListView* parent, TraceCall* c);
+  StackItem(StackSelection* ss, TQListView* tqparent, TraceFunction* f);
+  StackItem(StackSelection* ss, TQListView* tqparent, TraceCall* c);
 
   TraceFunction* function() { return _function; }
   TraceCall* call() { return _call; }
diff --git a/kcachegrind/kcachegrind/stackselection.cpp b/kcachegrind/kcachegrind/stackselection.cpp
index 1080b860..fcba2ab9 100644
--- a/kcachegrind/kcachegrind/stackselection.cpp
+++ b/kcachegrind/kcachegrind/stackselection.cpp
@@ -19,7 +19,7 @@
 /*
  * StackSelection for KCachegrind
  * For function selection of a most expected stack,
- *  to be put into a QDockWindow
+ *  to be put into a TQDockWindow
  */
 
 #include <tqtimer.h>
@@ -35,8 +35,8 @@
 #include "stackselection.h"
 #include "stackitem.h"
 
-StackSelection::StackSelection( TQWidget* parent, const char* name)
-  : StackSelectionBase(parent, name)
+StackSelection::StackSelection( TQWidget* tqparent, const char* name)
+  : StackSelectionBase(tqparent, name)
 {
   _data = 0;
   _browser = new StackBrowser();
@@ -49,9 +49,9 @@ StackSelection::StackSelection( TQWidget* parent, const char* name)
   stackList->setSorting(-1);
   stackList->setAllColumnsShowFocus(true);
   stackList->setResizeMode(TQListView::LastColumn);
-  stackList->setColumnAlignment(0, Qt::AlignRight);
-  stackList->setColumnAlignment(1, Qt::AlignRight);
-  stackList->setColumnAlignment(2, Qt::AlignRight);
+  stackList->setColumnAlignment(0, TQt::AlignRight);
+  stackList->setColumnAlignment(1, TQt::AlignRight);
+  stackList->setColumnAlignment(2, TQt::AlignRight);
   stackList->setColumnWidth(0, 50);
   // 2nd cost column hidden at first (_costType2 == 0)
   stackList->setColumnWidth(1, 0);
diff --git a/kcachegrind/kcachegrind/stackselection.h b/kcachegrind/kcachegrind/stackselection.h
index 5d34c7ac..6b71c2b8 100644
--- a/kcachegrind/kcachegrind/stackselection.h
+++ b/kcachegrind/kcachegrind/stackselection.h
@@ -19,7 +19,7 @@
 /*
  * StackSelection for KCachegrind
  * For function selection of a most expected stack,
- *  to be put into a QDockWindow
+ *  to be put into a TQDockWindow
  */
 
 #ifndef STACKSELECTION_H
@@ -36,9 +36,10 @@ class NestedAreaItem;
 class StackSelection : public StackSelectionBase
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  StackSelection( TQWidget* parent = 0, const char* name = 0);
+  StackSelection( TQWidget* tqparent = 0, const char* name = 0);
   ~StackSelection();
 
   TraceData* data() const { return _data; }
diff --git a/kcachegrind/kcachegrind/stackselectionbase.ui b/kcachegrind/kcachegrind/stackselectionbase.ui
index 291153bc..b034c85f 100644
--- a/kcachegrind/kcachegrind/stackselectionbase.ui
+++ b/kcachegrind/kcachegrind/stackselectionbase.ui
@@ -1,10 +1,10 @@
 <!DOCTYPE UI><UI version="3.0" stdsetdef="1">
 <class>StackSelectionBase</class>
-<widget class="QWidget">
+<widget class="TQWidget">
     <property name="name">
         <cstring>StackSelectionBase</cstring>
     </property>
-    <property name="geometry">
+    <property name="tqgeometry">
         <rect>
             <x>0</x>
             <y>0</y>
@@ -25,7 +25,7 @@
         <property name="spacing">
             <number>6</number>
         </property>
-        <widget class="QListView">
+        <widget class="TQListView">
             <column>
                 <property name="text">
                     <string>Cost</string>
@@ -76,5 +76,5 @@
         </widget>
     </vbox>
 </widget>
-<layoutdefaults spacing="6" margin="11"/>
+<tqlayoutdefaults spacing="6" margin="11"/>
 </UI>
diff --git a/kcachegrind/kcachegrind/tabview.cpp b/kcachegrind/kcachegrind/tabview.cpp
index 13ec85d4..d40b284e 100644
--- a/kcachegrind/kcachegrind/tabview.cpp
+++ b/kcachegrind/kcachegrind/tabview.cpp
@@ -43,16 +43,16 @@
 
 // TabBar
 
-TabBar::TabBar(TabView* v, TQTabWidget* parent, const char *name)
-    : TQTabBar(parent, name)
+TabBar::TabBar(TabView* v, TQTabWidget* tqparent, const char *name)
+    : TQTabBar(tqparent, name)
 {
-    _tabWidget = parent;
+    _tabWidget = tqparent;
     _tabView = v;
 }
 
 void TabBar::mousePressEvent(TQMouseEvent *e)
 {
-  if (e->button() == RightButton) {
+  if (e->button() == Qt::RightButton) {
       TQTab *tab = selectTab( e->pos() );
       TQWidget* page;
       page = tab ? _tabWidget->page( indexOf( tab->identifier() ) ) :0;
@@ -114,8 +114,8 @@ void TabBar::mousePressEvent(TQMouseEvent *e)
 // Splitter
 //
 
-Splitter::Splitter(Orientation o, TQWidget* parent, const char* name)
-  : TQSplitter(o, parent, name)
+Splitter::Splitter(Qt::Orientation o, TQWidget* tqparent, const char* name)
+  : TQSplitter(o, tqparent, name)
 {}
 
 void Splitter::moveEvent(TQMoveEvent* e)
@@ -128,8 +128,8 @@ void Splitter::moveEvent(TQMoveEvent* e)
 
 void Splitter::checkVisiblity()
 {
-  const TQObjectList *l = children();
-  TQObjectListIt it( *l );
+  const TQObjectList l = childrenListObject();
+  TQObjectListIt it( l );
   TQObject *obj;
   while ( (obj = it.current()) != 0 ) {
     ++it;
@@ -145,9 +145,9 @@ void Splitter::checkVisiblity()
 // TabWidget
 //
 
-TabWidget::TabWidget(TabView* v, TQWidget* parent,
+TabWidget::TabWidget(TabView* v, TQWidget* tqparent,
                      const char* name, WFlags f)
-    : TQTabWidget(parent, name, f)
+    : TQTabWidget(tqparent, name, f)
 {
     _hasVisibleRect = false;
     setTabBar(new TabBar(v, this));
@@ -228,11 +228,11 @@ void TabWidget::moveEvent(TQMoveEvent* e)
  *      bottomSplitter    mainSplitter
  */
 
-TabView::TabView(TraceItemView* parentView,
-                 TQWidget* parent, const char* name)
-  : TQWidget(parent, name), TraceItemView(parentView)
+TabView::TabView(TraceItemView* tqparentView,
+                 TQWidget* tqparent, const char* name)
+  : TQWidget(tqparent, name), TraceItemView(tqparentView)
 {
-    setFocusPolicy(TQWidget::StrongFocus);
+    setFocusPolicy(TQ_StrongFocus);
 
   _isCollapsed = true;
 
@@ -419,7 +419,7 @@ void TabView::updateVisibility()
   s.append(100);
 
 
-  // children of mainSplitter
+  // tqchildren of mainSplitter
   if (_rightTW->isHidden() != (r == 0)) {
     if (r == 0) {
       _rightTW->hide();
@@ -441,7 +441,7 @@ void TabView::updateVisibility()
       _leftSplitter->show();
   }
 
-  // children of leftSplitter
+  // tqchildren of leftSplitter
   if (_topTW->isHidden() != (t == 0)) {
     if (t == 0) {
       _topTW->hide();
@@ -463,7 +463,7 @@ void TabView::updateVisibility()
       _bottomSplitter->show();
   }
 
-  // children of bottomSplitter
+  // tqchildren of bottomSplitter
   if (_bottomTW->isHidden() != (b == 0)) {
     if (b == 0) {
       _bottomTW->hide();
@@ -700,11 +700,11 @@ void TabView::resizeEvent(TQResizeEvent* e)
 
 void TabView::selected(TraceItemView*, TraceItem* s)
 {
-    // we set selected item for our own children
+    // we set selected item for our own tqchildren
     select(s);
     updateView();
 
-    // still forward to parent
+    // still forward to tqparent
     if (_parentView) _parentView->selected(this, s);
 }
 
@@ -751,19 +751,19 @@ void TabView::readViewConfig(KConfig* c,
       ++it;
 
       TQString n = TQString(v->widget()->name());
-      if (topTabs.contains(n)) {
+      if (topTabs.tqcontains(n)) {
         moveTab(v->widget(), TraceItemView::Top);
         if (n == activeT) activeTop = v;
       }
-      else if (bottomTabs.contains(n)) {
+      else if (bottomTabs.tqcontains(n)) {
         moveTab(v->widget(), TraceItemView::Bottom);
         if (n == activeB) activeBottom = v;
       }
-      else if (leftTabs.contains(n)) {
+      else if (leftTabs.tqcontains(n)) {
         moveTab(v->widget(), TraceItemView::Left);
         if (n == activeL) activeLeft = v;
       }
-      else if (rightTabs.contains(n)) {
+      else if (rightTabs.tqcontains(n)) {
         moveTab(v->widget(), TraceItemView::Right);
         if (n == activeR) activeRight = v;
       }
@@ -771,7 +771,7 @@ void TabView::readViewConfig(KConfig* c,
 
       if (withOptions)
 	v->readViewConfig(c, TQString("%1-%2")
-			  .arg(prefix).arg(v->widget()->name()),
+			  .tqarg(prefix).tqarg(v->widget()->name()),
 			  postfix, true);
     }
     if (activeTop)   _topTW->showPage(activeTop->widget());
@@ -883,8 +883,8 @@ void TabView::saveViewConfig(KConfig* c,
 
     if (withOptions)
       for (v=_tabs.first();v;v=_tabs.next())
-	v->saveViewConfig(c, TQString("%1-%2").arg(prefix)
-			  .arg(v->widget()->name()), postfix, true);
+	v->saveViewConfig(c, TQString("%1-%2").tqarg(prefix)
+			  .tqarg(v->widget()->name()), postfix, true);
 }
 
 #include "tabview.moc"
diff --git a/kcachegrind/kcachegrind/tabview.h b/kcachegrind/kcachegrind/tabview.h
index b312c03c..323464e9 100644
--- a/kcachegrind/kcachegrind/tabview.h
+++ b/kcachegrind/kcachegrind/tabview.h
@@ -37,12 +37,13 @@ class TabView;
 /**
  * Subclass of TQTabBar to enable context menu on tabs
  */
-class TabBar : public QTabBar
+class TabBar : public TQTabBar
 {
   Q_OBJECT
+  TQ_OBJECT
 
  public:
-  TabBar(TabView*, TQTabWidget* parent, const char *name = 0);
+  TabBar(TabView*, TQTabWidget* tqparent, const char *name = 0);
  protected:
   void mousePressEvent(TQMouseEvent *e);
 
@@ -54,16 +55,17 @@ class TabBar : public QTabBar
 
 /**
  * Own Splitter:
- * Call checkVisiblity for all TabWidget children of the splitter
+ * Call checkVisiblity for all TabWidget tqchildren of the splitter
  * on a MoveEvent. This typically is produced when collapsing the widget
  * inside of another splitter.
  */
-class Splitter: public QSplitter
+class Splitter: public TQSplitter
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
-  Splitter(Orientation o, TQWidget* parent = 0, const char* name = 0);
+  Splitter(Qt::Orientation o, TQWidget* tqparent = 0, const char* name = 0);
   void checkVisiblity();
 
 protected:
@@ -77,13 +79,14 @@ protected:
  *   This is needed to track if this widget is collapsed in a TQSplitter.
  * - Use own TabBar for context menu
  */
-class TabWidget: public QTabWidget
+class TabWidget: public TQTabWidget
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
 
-  TabWidget(TabView*, TQWidget* parent = 0,
+  TabWidget(TabView*, TQWidget* tqparent = 0,
             const char* name = 0, WFlags f = 0);
 
   bool hasVisibleRect() { return _hasVisibleRect; }
@@ -107,11 +110,12 @@ private:
 class TabView : public TQWidget, public TraceItemView
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
 
-  TabView(TraceItemView* parentView,
-          TQWidget* parent = 0, const char* name = 0);
+  TabView(TraceItemView* tqparentView,
+          TQWidget* tqparent = 0, const char* name = 0);
 
   virtual TQWidget* widget() { return this; }
   TQString whatsThis() const ;
diff --git a/kcachegrind/kcachegrind/toplevel.cpp b/kcachegrind/kcachegrind/toplevel.cpp
index 4749f604..cf06a75d 100644
--- a/kcachegrind/kcachegrind/toplevel.cpp
+++ b/kcachegrind/kcachegrind/toplevel.cpp
@@ -33,12 +33,7 @@
 #include <tqsizepolicy.h>
 #include <tqprogressbar.h>
 #include <tqfile.h>
-
-// With Qt 3.1, we can disallow user interaction with long tasks.
-// This needs TQEventLoop. Otherwise, TQApplication::processEvents is used.
-#if (QT_VERSION-0 >= 0x030100)
 #include <tqeventloop.h>
-#endif
 
 #include <kapplication.h>
 #include <klocale.h>
@@ -88,16 +83,16 @@ TopLevel::TopLevel(const char *name)
   _functionDockShown->setChecked(!_functionDock->isHidden());
 
   connect(_partDock, TQT_SIGNAL(visibilityChanged(bool)),
-          this, TQT_SLOT(partVisibilityChanged(bool)));
+          TQT_TQOBJECT(this), TQT_SLOT(partVisibilityChanged(bool)));
   connect(_stackDock, TQT_SIGNAL(visibilityChanged(bool)),
-          this, TQT_SLOT(stackVisibilityChanged(bool)));
+          TQT_TQOBJECT(this), TQT_SLOT(stackVisibilityChanged(bool)));
   connect(_functionDock, TQT_SIGNAL(visibilityChanged(bool)),
-          this, TQT_SLOT(functionVisibilityChanged(bool)));
+          TQT_TQOBJECT(this), TQT_SLOT(functionVisibilityChanged(bool)));
 
 #if ENABLE_DUMPDOCK
   _dumpDockShown->setChecked(!_dumpDock->isHidden());
   connect(_dumpDock, TQT_SIGNAL(visibilityChanged(bool)),
-          this, TQT_SLOT(dumpVisibilityChanged(bool)));
+          TQT_TQOBJECT(this), TQT_SLOT(dumpVisibilityChanged(bool)));
 #endif
 
   _statusbar = statusBar();
@@ -105,8 +100,8 @@ TopLevel::TopLevel(const char *name)
 #if 0
   // how to do avoid main window resizing on large statusbar label?
   TQSizePolicy p(TQSizePolicy::Fixed, TQSizePolicy::Expanding);
-  _statusLabel->setSizePolicy(p);
-  _statusbar->setSizePolicy(p);
+  _statusLabel->tqsetSizePolicy(p);
+  _statusbar->tqsetSizePolicy(p);
 #endif
   _statusbar->addWidget(_statusLabel, 1);
 
@@ -135,11 +130,11 @@ TopLevel::TopLevel(const char *name)
   setAutoSaveSettings();
 
   // restore current state settings (not configuration options)
-  restoreCurrentState(TQString::null);
+  restoreCurrentState(TQString());
 
   // if this is the first toplevel, show tip of day
   if (memberList->count() == 1)
-    TQTimer::singleShot( 200, this, TQT_SLOT(slotShowTipOnStart()) );
+    TQTimer::singleShot( 200, TQT_TQOBJECT(this), TQT_SLOT(slotShowTipOnStart()) );
 }
 
 void TopLevel::init()
@@ -179,19 +174,19 @@ void TopLevel::setupPartSelection(PartSelection* ps)
   // setup connections from the part selection widget
 
   connect(ps, TQT_SIGNAL(activePartsChanged(const TracePartList&)),
-          this, TQT_SLOT(activePartsChangedSlot(const TracePartList&)));
+          TQT_TQOBJECT(this), TQT_SLOT(activePartsChangedSlot(const TracePartList&)));
   connect(ps, TQT_SIGNAL(groupChanged(TraceCostItem*)),
-          this, TQT_SLOT(setGroupDelayed(TraceCostItem*)));
+          TQT_TQOBJECT(this), TQT_SLOT(setGroupDelayed(TraceCostItem*)));
   connect(ps, TQT_SIGNAL(functionChanged(TraceItem*)),
-          this, TQT_SLOT(setTraceItemDelayed(TraceItem*)));
+          TQT_TQOBJECT(this), TQT_SLOT(setTraceItemDelayed(TraceItem*)));
 
   connect(ps, TQT_SIGNAL(goBack()),
           _stackSelection, TQT_SLOT(browserBack()));
 
   connect(ps, TQT_SIGNAL(partsHideSelected()),
-          this, TQT_SLOT(partsHideSelectedSlotDelayed()));
+          TQT_TQOBJECT(this), TQT_SLOT(partsHideSelectedSlotDelayed()));
   connect(ps, TQT_SIGNAL(partsUnhideAll()),
-          this, TQT_SLOT(partsUnhideAllSlotDelayed()));
+          TQT_TQOBJECT(this), TQT_SLOT(partsUnhideAllSlotDelayed()));
 
   connect(ps, TQT_SIGNAL(showMessage(const TQString&, int)),
           _statusbar, TQT_SLOT(message(const TQString&, int)));
@@ -231,22 +226,22 @@ void TopLevel::saveTraceSettings()
   TQString key = traceKey();
 
   KConfigGroup pConfig(KGlobal::config(), TQCString("TracePositions"));
-  pConfig.writeEntry(TQString("CostType%1").arg(key),
+  pConfig.writeEntry(TQString("CostType%1").tqarg(key),
                      _costType ? _costType->name() : TQString("?"));
-  pConfig.writeEntry(TQString("CostType2%1").arg(key),
+  pConfig.writeEntry(TQString("CostType2%1").tqarg(key),
                      _costType2 ? _costType2->name() : TQString("?"));
-  pConfig.writeEntry(TQString("GroupType%1").arg(key),
+  pConfig.writeEntry(TQString("GroupType%1").tqarg(key),
                      TraceItem::typeName(_groupType));
 
   if (!_data) return;
 
   KConfigGroup aConfig(KGlobal::config(), TQCString("Layouts"));
-  aConfig.writeEntry(TQString("Count%1").arg(key), _layoutCount);
-  aConfig.writeEntry(TQString("Current%1").arg(key), _layoutCurrent);
+  aConfig.writeEntry(TQString("Count%1").tqarg(key), _layoutCount);
+  aConfig.writeEntry(TQString("Current%1").tqarg(key), _layoutCurrent);
 
   saveCurrentState(key);
-  pConfig.writeEntry(TQString("Group%1").arg(key),
-                     _group ? _group->name() : TQString::null);
+  pConfig.writeEntry(TQString("Group%1").tqarg(key),
+                     _group ? _group->name() : TQString());
 }
 
 /**
@@ -264,7 +259,7 @@ void TopLevel::restoreCurrentState(TQString postfix)
 
   // dock properties (not position, this should be have done before)
   TQCString group = TQCString("PartOverview");
-  if (gList.contains(group+pf)) group += pf;
+  if (gList.tqcontains(group+pf)) group += pf;
   KConfigGroup psConfig(kconfig, group);
   _partSelection->readVisualisationConfig(&psConfig);
 
@@ -327,7 +322,7 @@ void TopLevel::createDocks()
                    "above.</p>"));
 
   connect(_stackSelection, TQT_SIGNAL(functionSelected(TraceItem*)),
-          this, TQT_SLOT(setTraceItemDelayed(TraceItem*)));
+          TQT_TQOBJECT(this), TQT_SLOT(setTraceItemDelayed(TraceItem*)));
 
   _functionDock = new TQDockWindow(TQDockWindow::InDock, this);
   _functionDock->setCaption(i18n("Flat Profile"));
@@ -394,7 +389,7 @@ void TopLevel::createDocks()
 
   // Restore QT Dock positions...
   KConfigGroup dockConfig(KGlobal::config(), TQCString("Docks"));
-  TQString str = dockConfig.readEntry("Position", TQString::null);
+  TQString str = dockConfig.readEntry("Position", TQString());
   if (0) qDebug("Docks/Position: '%s'", str.ascii());
   if (str.isEmpty()) {
     // default positions
@@ -421,7 +416,7 @@ void TopLevel::createDocks()
   setAppropriate(_functionDock, true);
 
   connect( _partDock, TQT_SIGNAL(contextMenuRequested(const TQPoint &)),
-           this, TQT_SLOT(showDockMenu(const TQPoint &)));
+           TQT_TQOBJECT(this), TQT_SLOT(showDockMenu(const TQPoint &)));
 #endif
 }
 
@@ -454,42 +449,42 @@ void TopLevel::createLayoutActions()
 
   action = new KAction( i18n( "&Duplicate" ),
 			KShortcut(KKey("Ctrl+Plus")),
-                        this, TQT_SLOT(layoutDuplicate()),
-                        actionCollection(), "layout_duplicate" );
+                        TQT_TQOBJECT(this), TQT_SLOT(tqlayoutDuplicate()),
+                        actionCollection(), "tqlayout_duplicate" );
   hint = i18n("<b>Duplicate Current Layout</b>"
-              "<p>Make a copy of the current layout.</p>");
+              "<p>Make a copy of the current tqlayout.</p>");
   action->setWhatsThis( hint );
 
   action = new KAction( i18n( "&Remove" ), KShortcut(),
-                        this, TQT_SLOT(layoutRemove()),
-                        actionCollection(), "layout_remove" );
+                        TQT_TQOBJECT(this), TQT_SLOT(tqlayoutRemove()),
+                        actionCollection(), "tqlayout_remove" );
   hint = i18n("<b>Remove Current Layout</b>"
-              "<p>Delete current layout and make the previous active.</p>");
+              "<p>Delete current tqlayout and make the previous active.</p>");
   action->setWhatsThis( hint );
 
   action = new KAction( i18n( "&Go to Next" ),
 			KShortcut(KKey("Ctrl+Right")),
-                        this, TQT_SLOT(layoutNext()),
-                        actionCollection(), "layout_next" );
+                        TQT_TQOBJECT(this), TQT_SLOT(tqlayoutNext()),
+                        actionCollection(), "tqlayout_next" );
   hint = i18n("Go to Next Layout");
   action->setWhatsThis( hint );
 
   action = new KAction( i18n( "&Go to Previous" ),
 			KShortcut(KKey("Ctrl+Left")),
-                        this, TQT_SLOT(layoutPrevious()),
-                        actionCollection(), "layout_previous" );
+                        TQT_TQOBJECT(this), TQT_SLOT(tqlayoutPrevious()),
+                        actionCollection(), "tqlayout_previous" );
   hint = i18n("Go to Previous Layout");
   action->setWhatsThis( hint );
 
   action = new KAction( i18n( "&Restore to Default" ), KShortcut(),
-                        this, TQT_SLOT(layoutRestore()),
-                        actionCollection(), "layout_restore" );
+                        TQT_TQOBJECT(this), TQT_SLOT(tqlayoutRestore()),
+                        actionCollection(), "tqlayout_restore" );
   hint = i18n("Restore Layouts to Default");
   action->setWhatsThis( hint );
 
   action = new KAction( i18n( "&Save as Default" ), KShortcut(),
-                        this, TQT_SLOT(layoutSave()),
-                        actionCollection(), "layout_save" );
+                        TQT_TQOBJECT(this), TQT_SLOT(tqlayoutSave()),
+                        actionCollection(), "tqlayout_save" );
   hint = i18n("Save Layouts as Default");
   action->setWhatsThis( hint );
 }
@@ -500,12 +495,12 @@ void TopLevel::createMiscActions()
   TQString hint;
   KAction* action;
 
-  action = KStdAction::openNew(this, TQT_SLOT(newWindow()), actionCollection());
+  action = KStdAction::openNew(TQT_TQOBJECT(this), TQT_SLOT(newWindow()), actionCollection());
   hint = i18n("<b>New</b><p>Open new empty KCachegrind window.</p>");
   action->setWhatsThis( hint );
 
   action = new KAction( i18n( "&Add..." ), KShortcut(),
-                        this, TQT_SLOT(addTrace()),
+                        TQT_TQOBJECT(this), TQT_SLOT(addTrace()),
                         actionCollection(), "file_add" );
   hint = i18n("<b>Add Profile Data</b>"
               "<p>This opens an additional profile data file in the current window.</p>");
@@ -518,13 +513,13 @@ void TopLevel::createMiscActions()
 #else
                         KStdAccel::key(KStdAccel::Reload),
 #endif
-                        this, TQT_SLOT( reload() ), actionCollection(), "reload" );
+                        TQT_TQOBJECT(this), TQT_SLOT( reload() ), actionCollection(), "reload" );
   hint = i18n("<b>Reload Profile Data</b>"
               "<p>This loads any new created parts, too.</p>");
   action->setWhatsThis( hint );
 
   action = new KAction( i18n( "&Export Graph" ), KShortcut(),
-                        this, TQT_SLOT(exportGraph()),
+                        TQT_TQOBJECT(this), TQT_SLOT(exportGraph()),
                         actionCollection(), "export" );
 
   hint = i18n("<b>Export Call Graph</b>"
@@ -540,7 +535,7 @@ void TopLevel::createMiscActions()
 #else
                                KStdAccel::key(KStdAccel::Redo),
 #endif
-                               this, TQT_SLOT( forceTrace() ),
+                               TQT_TQOBJECT(this), TQT_SLOT( forceTrace() ),
                                actionCollection(), "dump" );
   hint = i18n("<b>Force Dump</b>"
               "<p>This forces a dump for a Callgrind profile run "
@@ -566,20 +561,20 @@ void TopLevel::createMiscActions()
               "of the program.</p>");
   _taDump->setWhatsThis( hint );
 
-  action = KStdAction::open(this, TQT_SLOT(loadTrace()), actionCollection());
+  action = KStdAction::open(TQT_TQOBJECT(this), TQT_SLOT(loadTrace()), actionCollection());
   hint = i18n("<b>Open Profile Data</b>"
               "<p>This opens a profile data file, with possible multiple parts</p>");
   action->setToolTip( hint );
   action->setWhatsThis( hint );
 
-  _openRecent = KStdAction::openRecent(this, TQT_SLOT(loadTrace(const KURL&)),
+  _openRecent = KStdAction::openRecent(TQT_TQOBJECT(this), TQT_SLOT(loadTrace(const KURL&)),
                                        actionCollection());
 
-  KStdAction::showStatusbar(this,
+  KStdAction::showStatusbar(TQT_TQOBJECT(this),
                             TQT_SLOT(toggleStatusBar()), actionCollection());
 
   _partDockShown = new KToggleAction(i18n("Parts Overview"), KShortcut(),
-                                     this, TQT_SLOT(togglePartDock()),
+                                     TQT_TQOBJECT(this), TQT_SLOT(togglePartDock()),
                                      actionCollection(),
                                      "settings_show_partdock");
 
@@ -588,7 +583,7 @@ void TopLevel::createMiscActions()
   _partDockShown->setWhatsThis( hint );
 
   _stackDockShown = new KToggleAction(i18n("Call Stack"), KShortcut(),
-                                     this, TQT_SLOT(toggleStackDock()),
+                                     TQT_TQOBJECT(this), TQT_SLOT(toggleStackDock()),
                                      actionCollection(),
                                      "settings_show_stackdock");
 
@@ -597,7 +592,7 @@ void TopLevel::createMiscActions()
   _stackDockShown->setWhatsThis( hint );
 
   _functionDockShown = new KToggleAction(i18n("Function Profile"), KShortcut(),
-                                         this, TQT_SLOT(toggleFunctionDock()),
+                                         TQT_TQOBJECT(this), TQT_SLOT(toggleFunctionDock()),
                                          actionCollection(),
                                          "settings_show_profiledock");
 
@@ -607,7 +602,7 @@ void TopLevel::createMiscActions()
 
 #if ENABLE_DUMPDOCK
   _dumpDockShown = new KToggleAction(i18n("Profile Dumps"), KShortcut(),
-                                     this, TQT_SLOT(toggleDumpDock()),
+                                     TQT_TQOBJECT(this), TQT_SLOT(toggleDumpDock()),
                                      actionCollection(),
                                      "settings_show_dumpdock");
 
@@ -618,7 +613,7 @@ void TopLevel::createMiscActions()
 
   _taPercentage = new KToggleAction(i18n("Show Relative Costs"), "percent",
 				    KShortcut(),
-				    this, TQT_SLOT(togglePercentage()),
+				    TQT_TQOBJECT(this), TQT_SLOT(togglePercentage()),
 				    actionCollection(),
 				    "view_percentage");
 #if KDE_VERSION >= 0x030290
@@ -632,19 +627,19 @@ void TopLevel::createMiscActions()
 
   _taExpanded = new KToggleAction(i18n("Percentage Relative to Parent"), "move",
 				  KShortcut(),
-				  this, TQT_SLOT(toggleExpanded()),
+				  TQT_TQOBJECT(this), TQT_SLOT(toggleExpanded()),
 				  actionCollection(),
 				  "view_expanded");
 
-  hint = i18n("Show percentage costs relative to parent");
+  hint = i18n("Show percentage costs relative to tqparent");
   _taExpanded->setToolTip( hint );
   _taExpanded->setWhatsThis( hint );
 
-  hint = i18n("<b>Show percentage costs relative to parent</b>"
+  hint = i18n("<b>Show percentage costs relative to tqparent</b>"
               "<p>If this is switched off, percentage costs are always shown "
 	      "relative to the total cost of the profile part(s) that are "
 	      "currently browsed. By turning on this option, percentage cost "
-	      "of shown cost items will be relative to the parent cost item."
+	      "of shown cost items will be relative to the tqparent cost item."
 	      "<ul><table>"
 	      "<tr><td><b>Cost Type</td><td><b>Parent Cost</td></tr>"
 	      "<tr><td>Function Cumulative</td><td>Total</td></tr>"
@@ -657,7 +652,7 @@ void TopLevel::createMiscActions()
 
   _taCycles = new KToggleAction( i18n( "Do Cycle Detection" ), "undo",
 				 KShortcut(),
-				 this, TQT_SLOT( toggleCycles() ), actionCollection(),
+				 TQT_TQOBJECT(this), TQT_SLOT( toggleCycles() ), actionCollection(),
 				 "view_cycles" );
 #if KDE_VERSION >= 0x030290
   // for KDE 3.3: show another text instead of a checkmark
@@ -678,10 +673,10 @@ void TopLevel::createMiscActions()
               "is the option to switch this off.");
   _taCycles->setWhatsThis( hint );
 
-  KStdAction::quit(this, TQT_SLOT(close()), actionCollection());
-  KStdAction::preferences(this, TQT_SLOT(configure()), actionCollection());
-  KStdAction::keyBindings(this, TQT_SLOT(configureKeys()), actionCollection());
-  KStdAction::configureToolbars(this,TQT_SLOT(configureToolbars()),
+  KStdAction::quit(TQT_TQOBJECT(this), TQT_SLOT(close()), actionCollection());
+  KStdAction::preferences(TQT_TQOBJECT(this), TQT_SLOT(configure()), actionCollection());
+  KStdAction::keyBindings(TQT_TQOBJECT(this), TQT_SLOT(configureKeys()), actionCollection());
+  KStdAction::configureToolbars(TQT_TQOBJECT(this),TQT_SLOT(configureToolbars()),
                                 actionCollection());
 #if 0
   action = KStdAction::back(_stackSelection, TQT_SLOT(browserBack()),
@@ -706,32 +701,32 @@ void TopLevel::createMiscActions()
 #else
   _paUp = new KToolBarPopupAction( i18n( "&Up" ), "up",
                                    ALT+Key_Up,
-                                   _stackSelection, TQT_SLOT( browserUp() ),
+                                   TQT_TQOBJECT(_stackSelection), TQT_SLOT( browserUp() ),
                                    actionCollection(), "go_up" );
   connect( _paUp->popupMenu(), TQT_SIGNAL( aboutToShow() ),
-           this, TQT_SLOT( upAboutToShow() ) );
+           TQT_TQOBJECT(this), TQT_SLOT( upAboutToShow() ) );
   connect( _paUp->popupMenu(), TQT_SIGNAL( activated( int ) ),
-           this, TQT_SLOT( upActivated( int ) ) );
+           TQT_TQOBJECT(this), TQT_SLOT( upActivated( int ) ) );
   hint = i18n("<b>Go Up</b>"
               "<p>Go to last selected caller of current function. "
               "If no caller was visited, use that with highest cost.</p>");
   _paUp->setToolTip( hint );
   _paUp->setWhatsThis( hint );
 
-  QPair< KGuiItem, KGuiItem > backForward = KStdGuiItem::backAndForward();
+  TQPair< KGuiItem, KGuiItem > backForward = KStdGuiItem::backAndForward();
   _paBack = new KToolBarPopupAction( backForward.first, ALT+Key_Left,
-                                     _stackSelection, TQT_SLOT(browserBack()),
+                                     TQT_TQOBJECT(_stackSelection), TQT_SLOT(browserBack()),
                                      actionCollection(), "go_back" );
   connect( _paBack->popupMenu(), TQT_SIGNAL( aboutToShow() ),
-           this, TQT_SLOT( backAboutToShow() ) );
+           TQT_TQOBJECT(this), TQT_SLOT( backAboutToShow() ) );
   connect( _paBack->popupMenu(), TQT_SIGNAL( activated( int ) ),
-           this, TQT_SLOT( backActivated( int ) ) );
+           TQT_TQOBJECT(this), TQT_SLOT( backActivated( int ) ) );
   hint = i18n("Go back in function selection history");
   _paBack->setToolTip( hint );
   _paBack->setWhatsThis( hint );
 
   _paForward = new KToolBarPopupAction( backForward.second, ALT+Key_Right,
-                                        _stackSelection,
+                                        TQT_TQOBJECT(_stackSelection),
                                         TQT_SLOT(browserForward()),
                                         actionCollection(), "go_forward" );
   connect( _paForward->popupMenu(), TQT_SIGNAL( aboutToShow() ),
@@ -753,7 +748,7 @@ void TopLevel::createMiscActions()
   // cost types are dependent on loaded data, thus KSelectAction
   // is filled in setData()
   connect( _saCost, TQT_SIGNAL(activated(const TQString&)),
-           this, TQT_SLOT(costTypeSelected(const TQString&)));
+           TQT_TQOBJECT(this), TQT_SLOT(costTypeSelected(const TQString&)));
 
   _saCost2 = new KSelectAction( i18n("Secondary Event Type"), KShortcut(),
 				actionCollection(), "view_cost_type2");
@@ -763,7 +758,7 @@ void TopLevel::createMiscActions()
   _saCost2->setWhatsThis( hint );
 
   connect( _saCost2, TQT_SIGNAL(activated(const TQString&)),
-           this, TQT_SLOT(costType2Selected(const TQString&)));
+           TQT_TQOBJECT(this), TQT_SLOT(costType2Selected(const TQString&)));
 
   saGroup = new KSelectAction( i18n("Grouping"), KShortcut(),
                                actionCollection(), "view_group_type");
@@ -782,32 +777,32 @@ void TopLevel::createMiscActions()
 
   saGroup->setItems(args);
   connect( saGroup, TQT_SIGNAL(activated(int)),
-           this, TQT_SLOT(groupTypeSelected(int)));
+           TQT_TQOBJECT(this), TQT_SLOT(groupTypeSelected(int)));
 
   _taSplit = new KToggleAction(i18n("Split"), "view_left_right", KShortcut(),
-                               this, TQT_SLOT(splitSlot()),
+                               TQT_TQOBJECT(this), TQT_SLOT(splitSlot()),
                                actionCollection(), "view_split");
 
   hint = i18n("Show two information panels");
   _taSplit->setToolTip( hint );
   _taSplit->setWhatsThis( hint );
 
- _taSplitDir = new KToggleAction(i18n("Split Horizontal"),
+ _taSplitDir = new KToggleAction(i18n("SplitQt::Horizontal"),
                                   "view_left_right", KShortcut(),
-                                  this, TQT_SLOT(splitDirSlot()),
+                                  TQT_TQOBJECT(this), TQT_SLOT(splitDirSlot()),
                                   actionCollection(), "view_split_dir");
 
-  hint = i18n("Change Split Orientation when main window is split.");
+  hint = i18n("Change Split Qt::Orientation when main window is split.");
   _taSplitDir->setToolTip( hint );
   _taSplitDir->setWhatsThis( hint );
 
   // copied from KMail...
 #if KDE_VERSION >= 308 // KDE 3.1
-  KStdAction::tipOfDay( this, TQT_SLOT( slotShowTip() ), actionCollection() );
+  KStdAction::tipOfDay( TQT_TQOBJECT(this), TQT_SLOT( slotShowTip() ), actionCollection() );
 #else
   (void) new KAction( KGuiItem( i18n("Tip of the &Day..."), "idea",
                                 i18n("Show \"Tip of the Day\"") ),
-                      0, this, TQT_SLOT(slotShowTip()),
+                      0, TQT_TQOBJECT(this), TQT_SLOT(slotShowTip()),
                       actionCollection(), "help_show_tip" );
 #endif
 }
@@ -925,7 +920,7 @@ void TopLevel::toggleCycles()
 
   if (!_data) return;
 
-  _data->invalidateDynamicCost();
+  _data->tqinvalidateDynamicCost();
   _data->updateFunctionCycles();
 
   _partSelection->refresh();
@@ -1057,7 +1052,7 @@ void TopLevel::loadTrace(TQString file)
 
 void TopLevel::addTrace()
 {
-    KURL url = KFileDialog::getOpenURL(TQString::null,
+    KURL url = KFileDialog::getOpenURL(TQString(),
                                        i18n("cachegrind.out* callgrind.out*|Callgrind Profile Data\n*|All Files"),
                                        this,
                                        i18n("Add Callgrind Profile Data"));
@@ -1107,7 +1102,7 @@ void TopLevel::addTrace(TQString file)
 void TopLevel::loadDelayed(TQString file)
 {
   _loadTraceDelayed = file;
-  TQTimer::singleShot(0, this, TQT_SLOT(loadTraceDelayed()));
+  TQTimer::singleShot(0, TQT_TQOBJECT(this), TQT_SLOT(loadTraceDelayed()));
 }
 
 void TopLevel::loadTraceDelayed()
@@ -1115,7 +1110,7 @@ void TopLevel::loadTraceDelayed()
   if (_loadTraceDelayed.isEmpty()) return;
 
   loadTrace(_loadTraceDelayed);
-  _loadTraceDelayed = TQString::null;
+  _loadTraceDelayed = TQString();
 }
 
 
@@ -1142,7 +1137,7 @@ void TopLevel::exportGraph()
   ge.writeDot();
 
   TQString cmd = TQString("(dot %1 -Tps > %2.ps; kghostview %3.ps)&")
-                .arg(n).arg(n).arg(n);
+                .tqarg(n).tqarg(n).tqarg(n);
   system(TQFile::encodeName( cmd ));
 }
 
@@ -1386,13 +1381,13 @@ bool TopLevel::setFunction(TraceFunction* f)
 void TopLevel::setCostTypeDelayed(TraceCostType* ct)
 {
   _costTypeDelayed = ct;
-  TQTimer::singleShot (0, this, TQT_SLOT(setCostTypeDelayed()));
+  TQTimer::singleShot (0, TQT_TQOBJECT(this), TQT_SLOT(setCostTypeDelayed()));
 }
 
 void TopLevel::setCostType2Delayed(TraceCostType* ct)
 {
   _costType2Delayed = ct;
-  TQTimer::singleShot (0, this, TQT_SLOT(setCostType2Delayed()));
+  TQTimer::singleShot (0, TQT_TQOBJECT(this), TQT_SLOT(setCostType2Delayed()));
 }
 
 void TopLevel::setCostTypeDelayed()
@@ -1408,7 +1403,7 @@ void TopLevel::setCostType2Delayed()
 void TopLevel::setGroupTypeDelayed(TraceItem::CostType gt)
 {
   _groupTypeDelayed = gt;
-  TQTimer::singleShot (0, this, TQT_SLOT(setGroupTypeDelayed()));
+  TQTimer::singleShot (0, TQT_TQOBJECT(this), TQT_SLOT(setGroupTypeDelayed()));
 }
 
 void TopLevel::setGroupTypeDelayed()
@@ -1425,7 +1420,7 @@ void TopLevel::setGroupDelayed(TraceCostItem* g)
 #endif
 
   _groupDelayed = g;
-  TQTimer::singleShot (0, this, TQT_SLOT(setGroupDelayed()));
+  TQTimer::singleShot (0, TQT_TQOBJECT(this), TQT_SLOT(setGroupDelayed()));
 }
 
 void TopLevel::setGroupDelayed()
@@ -1436,7 +1431,7 @@ void TopLevel::setGroupDelayed()
 void TopLevel::setDirectionDelayed(TraceItemView::Direction d)
 {
   _directionDelayed = d;
-  TQTimer::singleShot (0, this, TQT_SLOT(setDirectionDelayed()));
+  TQTimer::singleShot (0, TQT_TQOBJECT(this), TQT_SLOT(setDirectionDelayed()));
 }
 
 void TopLevel::setDirectionDelayed()
@@ -1474,7 +1469,7 @@ void TopLevel::setTraceItemDelayed(TraceItem* i)
   // no need to select same item a 2nd time...
   if (_traceItemDelayed == i) return;
   _traceItemDelayed = i;
-  _lastSender = sender();
+  _lastSender = TQT_TQOBJECT(const_cast<TQT_BASE_OBJECT_NAME*>(sender()));
 
   kdDebug() << "Selected " << (i ? i->prettyName() : "(none)") << endl;
 
@@ -1484,7 +1479,7 @@ void TopLevel::setTraceItemDelayed(TraceItem* i)
          _lastSender ? _lastSender->name() :"0" );
 #endif
 
-  TQTimer::singleShot (0, this, TQT_SLOT(setTraceItemDelayed()));
+  TQTimer::singleShot (0, TQT_TQOBJECT(this), TQT_SLOT(setTraceItemDelayed()));
 }
 
 void TopLevel::setTraceItemDelayed()
@@ -1657,10 +1652,10 @@ void TopLevel::addCostMenu(TQPopupMenu* popup, bool withCost2)
   }
   if (_showPercentage)
     popup->insertItem(i18n("Show Absolute Cost"),
-		      this, TQT_SLOT(setAbsoluteCost()));
+		      TQT_TQOBJECT(this), TQT_SLOT(setAbsoluteCost()));
   else
     popup->insertItem(i18n("Show Relative Cost"),
-		      this, TQT_SLOT(setRelativeCost()));
+		      TQT_TQOBJECT(this), TQT_SLOT(setRelativeCost()));
 }
 
 bool TopLevel::setCostType(int id)
@@ -1689,9 +1684,9 @@ bool TopLevel::setCostType2(int id)
 
 void TopLevel::addGoMenu(TQPopupMenu* popup)
 {
-  popup->insertItem(i18n("Go Back"), this, TQT_SLOT(goBack()));
-  popup->insertItem(i18n("Go Forward"), this, TQT_SLOT(goForward()));
-  popup->insertItem(i18n("Go Up"), this, TQT_SLOT(goUp()));
+  popup->insertItem(i18n("Go Back"), TQT_TQOBJECT(this), TQT_SLOT(goBack()));
+  popup->insertItem(i18n("Go Forward"), TQT_TQOBJECT(this), TQT_SLOT(goForward()));
+  popup->insertItem(i18n("Go Up"), TQT_TQOBJECT(this), TQT_SLOT(goUp()));
 }
 
 void TopLevel::goBack()
@@ -1711,7 +1706,7 @@ void TopLevel::goUp()
 
 TQString TopLevel::traceKey()
 {
-  if (!_data || _data->command().isEmpty()) return TQString::null;
+  if (!_data || _data->command().isEmpty()) return TQString();
 
   TQString name = _data->command();
   TQString key;
@@ -1730,9 +1725,9 @@ void TopLevel::restoreTraceTypes()
   KConfigGroup pConfig(KGlobal::config(), TQCString("TracePositions"));
 
   TQString groupType, costType, costType2;
-  groupType =  pConfig.readEntry(TQString("GroupType%1").arg(key));
-  costType  =  pConfig.readEntry(TQString("CostType%1").arg(key));
-  costType2 =  pConfig.readEntry(TQString("CostType2%1").arg(key));
+  groupType =  pConfig.readEntry(TQString("GroupType%1").tqarg(key));
+  costType  =  pConfig.readEntry(TQString("CostType%1").tqarg(key));
+  costType2 =  pConfig.readEntry(TQString("CostType2%1").tqarg(key));
 
   if (groupType.isEmpty()) groupType = cConfig.readEntry("GroupType");
   if (costType.isEmpty()) costType = cConfig.readEntry("CostType");
@@ -1747,9 +1742,9 @@ void TopLevel::restoreTraceTypes()
       costTypeSelected(_saCost->items().first());
 
   KConfigGroup aConfig(KGlobal::config(), TQCString("Layouts"));
-  _layoutCount = aConfig.readNumEntry(TQString("Count%1").arg(key), 0);
-  _layoutCurrent = aConfig.readNumEntry(TQString("Current%1").arg(key), 0);
-  if (_layoutCount == 0) layoutRestore();
+  _layoutCount = aConfig.readNumEntry(TQString("Count%1").tqarg(key), 0);
+  _layoutCurrent = aConfig.readNumEntry(TQString("Current%1").tqarg(key), 0);
+  if (_layoutCount == 0) tqlayoutRestore();
   updateLayoutActions();
 }
 
@@ -1766,7 +1761,7 @@ void TopLevel::restoreTraceSettings()
   TQString key = traceKey();
 
   KConfigGroup pConfig(KGlobal::config(), TQCString("TracePositions"));
-  TQString group = pConfig.readEntry(TQString("Group%1").arg(key));
+  TQString group = pConfig.readEntry(TQString("Group%1").tqarg(key));
   if (!group.isEmpty()) setGroup(group);
 
   restoreCurrentState(key);
@@ -1783,21 +1778,21 @@ void TopLevel::restoreTraceSettings()
 
 /* Layout */
 
-void TopLevel::layoutDuplicate()
+void TopLevel::tqlayoutDuplicate()
 {
   // save current and allocate a new slot
   _multiView->saveViewConfig(KGlobal::config(),
-			     TQString("Layout%1-MainView").arg(_layoutCurrent),
+			     TQString("Layout%1-MainView").tqarg(_layoutCurrent),
 			     traceKey(), false);
   _layoutCurrent = _layoutCount;
   _layoutCount++;
 
   updateLayoutActions();
 
-  kdDebug() << "TopLevel::layoutDuplicate: count " << _layoutCount << endl;
+  kdDebug() << "TopLevel::tqlayoutDuplicate: count " << _layoutCount << endl;
 }
 
-void TopLevel::layoutRemove()
+void TopLevel::tqlayoutRemove()
 {
   if (_layoutCount <2) return;
 
@@ -1805,14 +1800,14 @@ void TopLevel::layoutRemove()
   if (_layoutCurrent == from) { _layoutCurrent--; from--; }
   // restore from last and decrement count
   _multiView->readViewConfig(KGlobal::config(),
-			     TQString("Layout%1-MainView").arg(from),
+			     TQString("Layout%1-MainView").tqarg(from),
 			     traceKey(), false);
   _layoutCount--;
 
   updateLayoutActions();
 }
 
-void TopLevel::layoutNext()
+void TopLevel::tqlayoutNext()
 {
   if (_layoutCount <2) return;
 
@@ -1820,20 +1815,20 @@ void TopLevel::layoutNext()
   TQString key = traceKey();
 
   _multiView->saveViewConfig(config,
-			     TQString("Layout%1-MainView").arg(_layoutCurrent),
+			     TQString("Layout%1-MainView").tqarg(_layoutCurrent),
 			     key, false);
   _layoutCurrent++;
   if (_layoutCurrent == _layoutCount) _layoutCurrent = 0;
 
   _multiView->readViewConfig(config,
-			     TQString("Layout%1-MainView").arg(_layoutCurrent),
+			     TQString("Layout%1-MainView").tqarg(_layoutCurrent),
 			     key, false);
 
-  if (0) kdDebug() << "TopLevel::layoutNext: current "
+  if (0) kdDebug() << "TopLevel::tqlayoutNext: current "
 		   << _layoutCurrent << endl;
 }
 
-void TopLevel::layoutPrevious()
+void TopLevel::tqlayoutPrevious()
 {
   if (_layoutCount <2) return;
 
@@ -1841,39 +1836,39 @@ void TopLevel::layoutPrevious()
   TQString key = traceKey();
 
   _multiView->saveViewConfig(config,
-			     TQString("Layout%1-MainView").arg(_layoutCurrent),
+			     TQString("Layout%1-MainView").tqarg(_layoutCurrent),
 			     key, false);
   _layoutCurrent--;
   if (_layoutCurrent <0) _layoutCurrent = _layoutCount-1;
 
   _multiView->readViewConfig(config,
-			     TQString("Layout%1-MainView").arg(_layoutCurrent),
+			     TQString("Layout%1-MainView").tqarg(_layoutCurrent),
 			     key, false);
 
-  if (0) kdDebug() << "TopLevel::layoutPrevious: current "
+  if (0) kdDebug() << "TopLevel::tqlayoutPrevious: current "
 		   << _layoutCurrent << endl;
 }
 
-void TopLevel::layoutSave()
+void TopLevel::tqlayoutSave()
 {
   KConfig* config = KGlobal::config();
   TQString key = traceKey();
 
   _multiView->saveViewConfig(config,
-			     TQString("Layout%1-MainView").arg(_layoutCurrent),
+			     TQString("Layout%1-MainView").tqarg(_layoutCurrent),
 			     key, false);
 
   for(int i=0;i<_layoutCount;i++) {
     _multiView->readViewConfig(config,
-			       TQString("Layout%1-MainView").arg(i),
+			       TQString("Layout%1-MainView").tqarg(i),
 			       key, false);
     _multiView->saveViewConfig(config,
-			       TQString("Layout%1-MainView").arg(i),
+			       TQString("Layout%1-MainView").tqarg(i),
 			       TQString(), false);
   }
 
   _multiView->readViewConfig(config,
-			     TQString("Layout%1-MainView").arg(_layoutCurrent),
+			     TQString("Layout%1-MainView").tqarg(_layoutCurrent),
 			     key, false);
 
   KConfigGroup aConfig(config, TQCString("Layouts"));
@@ -1881,7 +1876,7 @@ void TopLevel::layoutSave()
   aConfig.writeEntry("DefaultCurrent", _layoutCurrent);
 }
 
-void TopLevel::layoutRestore()
+void TopLevel::tqlayoutRestore()
 {
   KConfig* config = KGlobal::config();
   KConfigGroup aConfig(config, TQCString("Layouts"));
@@ -1895,15 +1890,15 @@ void TopLevel::layoutRestore()
   TQString key = traceKey();
   for(int i=0;i<_layoutCount;i++) {
     _multiView->readViewConfig(config,
-			       TQString("Layout%1-MainView").arg(i),
+			       TQString("Layout%1-MainView").tqarg(i),
 			       TQString(), false);
     _multiView->saveViewConfig(config,
-			       TQString("Layout%1-MainView").arg(i),
+			       TQString("Layout%1-MainView").tqarg(i),
 			       key, false);
   }
 
   _multiView->readViewConfig(config,
-			     TQString("Layout%1-MainView").arg(_layoutCurrent),
+			     TQString("Layout%1-MainView").tqarg(_layoutCurrent),
 			     key, false);
 
   updateLayoutActions();
@@ -1914,16 +1909,16 @@ void TopLevel::updateLayoutActions()
 {
   KAction* ka;
 
-  ka = actionCollection()->action("layout_next");
+  ka = actionCollection()->action("tqlayout_next");
   if (ka) ka->setEnabled(_layoutCount>1);
 
-  ka = actionCollection()->action("layout_previous");
+  ka = actionCollection()->action("tqlayout_previous");
   if (ka) ka->setEnabled(_layoutCount>1);
 
-  ka = actionCollection()->action("layout_remove");
+  ka = actionCollection()->action("tqlayout_remove");
   if (ka) ka->setEnabled(_layoutCount>1);
 
-  _statusbar->message(i18n("Layout Count: %1").arg(_layoutCount), 1000);
+  _statusbar->message(i18n("Layout Count: %1").tqarg(_layoutCount), 1000);
 }
 
 
@@ -1935,19 +1930,19 @@ void TopLevel::updateStatusBar()
   }
 
   TQString status = TQString("%1 [%2] - ")
-                   .arg(_data->shortTraceName())
-                   .arg(_data->activePartRange());
+                   .tqarg(_data->shortTraceName())
+                   .tqarg(_data->activePartRange());
 
   if (_costType) {
     status += i18n("Total %1 Cost: %2")
-      .arg(_costType->longName())
-      .arg(_data->prettySubCost(_costType));
+      .tqarg(_costType->longName())
+      .tqarg(_data->prettySubCost(_costType));
 
     /* this gets too long...
     if (_costType2 && (_costType2 != _costType))
       status += i18n(", %1 Cost: %2")
-	.arg(_costType2->longName())
-	.arg(_data->prettySubCost(_costType2));
+	.tqarg(_costType2->longName())
+	.tqarg(_data->prettySubCost(_costType2));
     */
   }
   else
@@ -1957,8 +1952,8 @@ void TopLevel::updateStatusBar()
   
   if (_groupType != TraceItem::Function) {
     status += TQString(" - %1 '%2'")
-              .arg(TraceItem::i18nTypeName(_groupType))
-              .arg(_group ? _group->prettyName() : i18n("(None)"));
+              .tqarg(TraceItem::i18nTypeName(_groupType))
+              .tqarg(_group ? _group->prettyName() : i18n("(None)"));
   }
   */
 
@@ -1991,7 +1986,7 @@ bool TopLevel::queryExit()
     Configuration::setShowCycles(_showCycles);
     Configuration::saveOptions(KGlobal::config());
 
-    saveCurrentState(TQString::null);
+    saveCurrentState(TQString());
 
   // save QT dock positions...
 
@@ -2053,7 +2048,7 @@ void TopLevel::configChanged()
   //qDebug("TopLevel::configChanged");
   //_showPercentage->setChecked(Configuration::showPercentage());
 
-  // invalidate found/cached dirs of source files
+  // tqinvalidate found/cached dirs of source files
   _data->resetSourceDirs();
 
   _partSelection->refresh();
@@ -2071,7 +2066,7 @@ void TopLevel::slotShowTipOnStart() {
 }
 
 void TopLevel::slotShowTip() {
-  KTipDialog::showTip( this, TQString::null, true );
+  KTipDialog::showTip( this, TQString(), true );
 }
 
 void TopLevel::dummySlot()
@@ -2103,7 +2098,7 @@ void TopLevel::activePartsChangedSlot(const TracePartList& list)
 
 void TopLevel::partsHideSelectedSlotDelayed()
 {
-  TQTimer::singleShot( 0, this, TQT_SLOT(partsHideSelectedSlot()) );
+  TQTimer::singleShot( 0, TQT_TQOBJECT(this), TQT_SLOT(partsHideSelectedSlot()) );
 }
 
 // this puts selected parts into hidden list,
@@ -2116,8 +2111,8 @@ void TopLevel::partsHideSelectedSlot()
   TracePartList newHidden, newActive;
   TracePartList l = _data->parts();
   for (part=l.first();part;part=l.next()) {
-    if ((_activeParts.findRef(part)>=0) ||
-        (_hiddenParts.findRef(part)>=0))
+    if ((_activeParts.tqfindRef(part)>=0) ||
+        (_hiddenParts.tqfindRef(part)>=0))
       newHidden.append(part);
     else
       newActive.append(part);
@@ -2136,7 +2131,7 @@ void TopLevel::partsHideSelectedSlot()
 
 void TopLevel::partsUnhideAllSlotDelayed()
 {
-  TQTimer::singleShot( 0, this, TQT_SLOT(partsUnhideAllSlot()) );
+  TQTimer::singleShot( 0, TQT_TQOBJECT(this), TQT_SLOT(partsUnhideAllSlot()) );
 }
 
 // this unhides all hidden parts. Does NOT change selection
@@ -2164,7 +2159,7 @@ void TopLevel::forceTrace()
     cmd.close();
   }
   if (_taDump->isChecked())
-    TQTimer::singleShot( 1000, this, TQT_SLOT(forceTraceReload()) );
+    TQTimer::singleShot( 1000, TQT_TQOBJECT(this), TQT_SLOT(forceTraceReload()) );
   else {
     // cancel request
     cmd.remove();
@@ -2179,7 +2174,7 @@ void TopLevel::forceTraceReload()
   TQFile cmd("callgrind.cmd");
   if (cmd.exists()) {
     if (_taDump->isChecked())
-      TQTimer::singleShot( 1000, this, TQT_SLOT(forceTraceReload()) );
+      TQTimer::singleShot( 1000, TQT_TQOBJECT(this), TQT_SLOT(forceTraceReload()) );
     return;
   }
   _taDump->setChecked(false);
@@ -2345,7 +2340,7 @@ void TopLevel::showMessage(const TQString& msg, int ms)
     _statusbar->message(msg, ms);
 }
 
-void TopLevel::showStatus(TQString msg, int progress)
+void TopLevel::showtqStatus(TQString msg, int progress)
 {
     static bool msgUpdateNeeded = true;
 
@@ -2387,13 +2382,8 @@ void TopLevel::showStatus(TQString msg, int progress)
     _progressBar->setProgress(progress);
 
     // let the progress bar update itself
-#if (QT_VERSION-0 >= 0x030100)
-    TQEventLoop* l = qApp->eventLoop();
+    TQEventLoop* l = tqApp->eventLoop();
     if (l) l->processEvents(TQEventLoop::ExcludeUserInput);
-#else
-    // for Qt 3.0.x. This allows user input and thus potentially races
-    qApp->processEvents();
-#endif
 }
 
 #include "toplevel.moc"
diff --git a/kcachegrind/kcachegrind/toplevel.h b/kcachegrind/kcachegrind/toplevel.h
index c12fe773..c24b27d3 100644
--- a/kcachegrind/kcachegrind/toplevel.h
+++ b/kcachegrind/kcachegrind/toplevel.h
@@ -33,7 +33,7 @@
 
 class MultiView;
 class TQLineEdit;
-class QDockWidget;
+class TQDockWidget;
 class TQLabel;
 class TQProgressBar;
 class TQPopupMenu;
@@ -55,6 +55,7 @@ class TraceFunction;
 class TopLevel : public KMainWindow, public DCOPObject
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
   TopLevel(const char *name = 0);
@@ -103,13 +104,13 @@ public slots:
   void querySlot();
   void dummySlot();
 
-  // layouts
-  void layoutDuplicate();
-  void layoutRemove();
-  void layoutNext();
-  void layoutPrevious();
-  void layoutSave();
-  void layoutRestore();
+  // tqlayouts
+  void tqlayoutDuplicate();
+  void tqlayoutRemove();
+  void tqlayoutNext();
+  void tqlayoutPrevious();
+  void tqlayoutSave();
+  void tqlayoutRestore();
   void updateLayoutActions();
 
   void updateStatusBar();
@@ -195,7 +196,7 @@ public slots:
   void slotShowTip();
 
   // progress in status bar, empty message disables progress display
-  void showStatus(TQString msg, int progress);
+  void showtqStatus(TQString msg, int progress);
   void showMessage(const TQString&, int msec);
 
 private:
@@ -215,7 +216,7 @@ private:
   TQLabel* _statusLabel;
   KRecentFilesAction* _openRecent;
   bool _twoMainWidgets;
-  Orientation _spOrientation;
+  Qt::Orientation _spOrientation;
 
   MultiView* _multiView;
   FunctionSelection* _functionSelection;
@@ -250,7 +251,7 @@ private:
   TracePartList _activeParts;
   // hidden parts
   TracePartList _hiddenParts;
-  // layouts
+  // tqlayouts
   int _layoutCurrent, _layoutCount;
 
   // for delayed slots
diff --git a/kcachegrind/kcachegrind/tracedata.cpp b/kcachegrind/kcachegrind/tracedata.cpp
index 4e6a625c..83cc1488 100644
--- a/kcachegrind/kcachegrind/tracedata.cpp
+++ b/kcachegrind/kcachegrind/tracedata.cpp
@@ -76,9 +76,7 @@ TQString Addr::toString() const
 
   uint64 n = _v;
   TQString hex;
-#if (QT_VERSION-0 >= 0x030200)
   hex.reserve(16);
-#endif
 
   while(n>0) {
     int d = (n & 15);
@@ -96,9 +94,7 @@ TQString Addr::pretty() const
   uint64 n = _v;
   int p = 0;
   TQString hex;
-#if (QT_VERSION-0 >= 0x030200)
   hex.reserve(20);
-#endif
 
   while(n>0) {
     int d = (n & 15);
@@ -230,7 +226,7 @@ TraceItem::CostType TraceItem::i18nCostType(TQString s)
 
 void TraceItem::clear()
 {
-    invalidate();
+    tqinvalidate();
 }
 
 
@@ -243,8 +239,8 @@ TQString TraceItem::name() const
 {
   if (part()) {
     return i18n("%1 from %2")
-      .arg(_dep->name())
-      .arg(part()->name());
+      .tqarg(_dep->name())
+      .tqarg(part()->name());
   }
 
   if (_dep)
@@ -263,21 +259,21 @@ TQString TraceItem::prettyName() const
 TQString TraceItem::fullName() const
 {
   return TQString("%1 %2")
-    .arg(typeName(type())).arg(prettyName());
+    .tqarg(typeName(type())).tqarg(prettyName());
 }
 
 TQString TraceItem::toString()
 {
-  return TQString("%1\n  [%3]").arg(fullName()).arg(costString(0));
+  return TQString("%1\n  [%3]").tqarg(fullName()).tqarg(costString(0));
 }
 
-void TraceItem::invalidate()
+void TraceItem::tqinvalidate()
 {
   if (_dirty) return;
   _dirty = true;
 
   if (_dep)
-    _dep->invalidate();
+    _dep->tqinvalidate();
 }
 
 void TraceItem::update()
@@ -364,7 +360,7 @@ void TraceCost::set(TraceSubMapping* sm, const char* s)
 	_count = maxIndex;
     }
     // a cost change has to be propagated (esp. in subclasses)
-    invalidate();
+    tqinvalidate();
 }
 
 void TraceCost::set(TraceSubMapping* sm, FixString & s)
@@ -395,7 +391,7 @@ void TraceCost::set(TraceSubMapping* sm, FixString & s)
 	    _cost[i] = 0;
 	_count = maxIndex+1;
     }
-    invalidate();
+    tqinvalidate();
 }
 
 
@@ -440,13 +436,13 @@ void TraceCost::addCost(TraceSubMapping* sm, const char* s)
     }
 
     // a cost change has to be propagated (esp. in subclasses)
-    invalidate();
+    tqinvalidate();
 
 #if TRACE_DEBUG
     _dirty = false; // don't recurse !
     qDebug("%s\n now %s", fullName().ascii(),
 	   TraceCost::costString(0).ascii());
-    _dirty = true; // because of invalidate()
+    _dirty = true; // because of tqinvalidate()
 #endif
 }
 
@@ -492,13 +488,13 @@ void TraceCost::addCost(TraceSubMapping* sm, FixString & s)
 	}
     }
 
-    invalidate();
+    tqinvalidate();
 
 #if TRACE_DEBUG
     _dirty = false; // don't recurse !
     qDebug("%s\n now %s", fullName().ascii(),
 	   TraceCost::costString(0).ascii());
-    _dirty = true; // because of invalidate()
+    _dirty = true; // because of tqinvalidate()
 #endif
 }
 
@@ -548,13 +544,13 @@ void TraceCost::maxCost(TraceSubMapping* sm, FixString & s)
 	}
     }
 
-    invalidate();
+    tqinvalidate();
 
 #if TRACE_DEBUG
     _dirty = false; // don't recurse !
     qDebug("%s\n now %s", fullName().ascii(),
 	   TraceCost::costString(0).ascii());
-    _dirty = true; // because of invalidate()
+    _dirty = true; // because of tqinvalidate()
 #endif
 }
 
@@ -582,14 +578,14 @@ void TraceCost::addCost(TraceCost* item)
     }
 
     // a cost change has to be propagated (esp. in subclasses)
-    invalidate();
+    tqinvalidate();
 
 #if TRACE_DEBUG
     _dirty = false; // don't recurse !
     qDebug("%s added cost item\n %s\n  now %s",
 	   fullName().ascii(), item->fullName().ascii(),
 	   TraceCost::costString(0).ascii());
-    _dirty = true; // because of invalidate()
+    _dirty = true; // because of tqinvalidate()
 #endif
 }
 
@@ -616,14 +612,14 @@ void TraceCost::maxCost(TraceCost* item)
     }
 
     // a cost change has to be propagated (esp. in subclasses)
-    invalidate();
+    tqinvalidate();
 
 #if TRACE_DEBUG
     _dirty = false; // don't recurse !
     qDebug("%s added cost item\n %s\n  now %s",
 	   fullName().ascii(), item->fullName().ascii(),
 	   TraceCost::costString(0).ascii());
-    _dirty = true; // because of invalidate()
+    _dirty = true; // because of tqinvalidate()
 #endif
 }
 
@@ -640,7 +636,7 @@ void TraceCost::addCost(int type, SubCost value)
     }
 
     // a cost change has to be propagated (esp. in subclasses)
-    invalidate();
+    tqinvalidate();
 }
 
 void TraceCost::maxCost(int type, SubCost value)
@@ -657,7 +653,7 @@ void TraceCost::maxCost(int type, SubCost value)
     }
 
     // a cost change has to be propagated (esp. in subclasses)
-    invalidate();
+    tqinvalidate();
 }
 
 
@@ -695,14 +691,14 @@ TQString TraceCost::costString(TraceCostMapping* m)
 }
 
 
-void TraceCost::invalidate()
+void TraceCost::tqinvalidate()
 {
   if (_dirty) return;
   _dirty = true;
   _cachedType = 0; // cached value is invalid, too
 
   if (_dep)
-    _dep->invalidate();
+    _dep->tqinvalidate();
 }
 
 void TraceCost::update()
@@ -771,8 +767,8 @@ TQString TraceJumpCost::costString(TraceCostMapping*)
   if (_dirty) update();
 
   return TQString("%1/%2")
-      .arg(_followedCount.pretty())
-      .arg(_executedCount.pretty());
+      .tqarg(_followedCount.pretty())
+      .tqarg(_executedCount.pretty());
 }
 
 void TraceJumpCost::clear()
@@ -830,7 +826,7 @@ void TraceCostType::setRealIndex(int i)
     i=TraceCost::InvalidIndex;
 
   _realIndex = i;
-  _formula = TQString::null;
+  _formula = TQString();
 }
 
 // checks for existing types and sets coefficients
@@ -917,7 +913,7 @@ TQString TraceCostType::parsedFormula()
     if (!t) continue;
 
     if (!t->name().isEmpty())
-      res += TQString(" * %1").arg(t->name());
+      res += TQString(" * %1").tqarg(t->name());
   }
 
   return res;
@@ -1366,8 +1362,8 @@ TraceCallCost::~TraceCallCost()
 TQString TraceCallCost::costString(TraceCostMapping* m)
 {
   return TQString("%1, Calls %2")
-      .arg(TraceCost::costString(m))
-      .arg(_callCount.pretty());
+      .tqarg(TraceCost::costString(m))
+      .tqarg(_callCount.pretty());
 }
 
 TQString TraceCallCost::prettyCallCount()
@@ -1392,7 +1388,7 @@ void TraceCallCost::addCallCount(SubCost c)
 {
   _callCount += c;
 
-  invalidate();
+  tqinvalidate();
 }
 
 
@@ -1408,8 +1404,8 @@ TraceInclusiveCost::~TraceInclusiveCost()
 TQString TraceInclusiveCost::costString(TraceCostMapping* m)
 {
   return TQString("%1, Inclusive %2")
-    .arg(TraceCost::costString(m))
-    .arg(_inclusive.costString(m));
+    .tqarg(TraceCost::costString(m))
+    .tqarg(_inclusive.costString(m));
 }
 
 void TraceInclusiveCost::clear()
@@ -1429,7 +1425,7 @@ void TraceInclusiveCost::addInclusive(TraceCost* c)
 {
   _inclusive.addCost(c);
 
-  invalidate();
+  tqinvalidate();
 }
 
 
@@ -1447,7 +1443,7 @@ TraceListCost::~TraceListCost()
 void TraceListCost::addDep(TraceCost* dep)
 {
 #if TRACE_ASSERTIONS
-  if (_deps.findRef(dep)>=0) {
+  if (_deps.tqfindRef(dep)>=0) {
     qDebug("addDep: %s already in list!",
            dep->fullName().ascii());
     return;
@@ -1456,7 +1452,7 @@ void TraceListCost::addDep(TraceCost* dep)
 
   _deps.append(dep);
   _lastDep = dep;
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -1521,7 +1517,7 @@ TraceJumpListCost::~TraceJumpListCost()
 void TraceJumpListCost::addDep(TraceJumpCost* dep)
 {
 #if TRACE_ASSERTIONS
-  if (_deps.findRef(dep)>=0) {
+  if (_deps.tqfindRef(dep)>=0) {
     qDebug("addDep: %s already in list!",
            dep->fullName().ascii());
     return;
@@ -1530,7 +1526,7 @@ void TraceJumpListCost::addDep(TraceJumpCost* dep)
 
   _deps.append(dep);
   _lastDep = dep;
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -1595,7 +1591,7 @@ TraceCallListCost::~TraceCallListCost()
 void TraceCallListCost::addDep(TraceCallCost* dep)
 {
 #if TRACE_ASSERTIONS
-  if (_deps.findRef(dep)>=0) {
+  if (_deps.tqfindRef(dep)>=0) {
     qDebug("addDep: %s already in list!",
            dep->fullName().ascii());
     return;
@@ -1604,7 +1600,7 @@ void TraceCallListCost::addDep(TraceCallCost* dep)
 
   _deps.append(dep);
   _lastDep = dep;
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -1674,7 +1670,7 @@ TraceInclusiveListCost::~TraceInclusiveListCost()
 void TraceInclusiveListCost::addDep(TraceInclusiveCost* dep)
 {
 #if TRACE_ASSERTIONS
-  if (_deps.findRef(dep)>=0) {
+  if (_deps.tqfindRef(dep)>=0) {
     qDebug("addDep: %s already in list!",
            dep->fullName().ascii());
     return;
@@ -1683,7 +1679,7 @@ void TraceInclusiveListCost::addDep(TraceInclusiveCost* dep)
 
   _deps.append(dep);
   _lastDep = dep;
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -1901,9 +1897,9 @@ TQString TracePartFunction::costString(TraceCostMapping* m)
 
   TQString res = TraceInclusiveCost::costString(m);
   res += TQString(", called from %1: %2")
-         .arg(_calledContexts).arg(prettyCalledCount());
+         .tqarg(_calledContexts).tqarg(prettyCalledCount());
   res += TQString(", calling from %1: %2")
-         .arg(_callingContexts).arg(prettyCallingCount());
+         .tqarg(_callingContexts).tqarg(prettyCallingCount());
 
   return res;
 }
@@ -1912,7 +1908,7 @@ TQString TracePartFunction::costString(TraceCostMapping* m)
 void TracePartFunction::addPartInstr(TracePartInstr* ref)
 {
 #if TRACE_ASSERTIONS
-  if (_partInstr.findRef(ref)>=0) {
+  if (_partInstr.tqfindRef(ref)>=0) {
     qDebug("TracePartFunction::addPartInstr: %s already in list!",
            ref->name().ascii());
     return;
@@ -1920,7 +1916,7 @@ void TracePartFunction::addPartInstr(TracePartInstr* ref)
 #endif
 
   _partInstr.append(ref);
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -1933,7 +1929,7 @@ void TracePartFunction::addPartInstr(TracePartInstr* ref)
 void TracePartFunction::addPartLine(TracePartLine* ref)
 {
 #if TRACE_ASSERTIONS
-  if (_partLines.findRef(ref)>=0) {
+  if (_partLines.tqfindRef(ref)>=0) {
     qDebug("TracePartFunction::addPartLine: %s already in list!",
            ref->name().ascii());
     return;
@@ -1941,7 +1937,7 @@ void TracePartFunction::addPartLine(TracePartLine* ref)
 #endif
 
   _partLines.append(ref);
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -1954,7 +1950,7 @@ void TracePartFunction::addPartLine(TracePartLine* ref)
 void TracePartFunction::addPartCaller(TracePartCall* ref)
 {
 #if TRACE_ASSERTIONS
-  if (_partCallers.findRef(ref)>=0) {
+  if (_partCallers.tqfindRef(ref)>=0) {
     qDebug("TracePartFunction::addPartCaller: %s already in list!",
            ref->name().ascii());
     return;
@@ -1962,7 +1958,7 @@ void TracePartFunction::addPartCaller(TracePartCall* ref)
 #endif
 
   _partCallers.append(ref);
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added Caller\n %s (now %d)",
@@ -1975,7 +1971,7 @@ void TracePartFunction::addPartCaller(TracePartCall* ref)
 void TracePartFunction::addPartCalling(TracePartCall* ref)
 {
 #if TRACE_ASSERTIONS
-  if (_partCallings.findRef(ref)>=0) {
+  if (_partCallings.tqfindRef(ref)>=0) {
     qDebug("TracePartFunction::addPartCalling: %s already in list!",
            ref->name().ascii());
     return;
@@ -1983,7 +1979,7 @@ void TracePartFunction::addPartCalling(TracePartCall* ref)
 #endif
 
   _partCallings.append(ref);
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added Calling\n %s (now %d)",
@@ -2140,8 +2136,8 @@ TracePartClass::~TracePartClass()
 TQString TracePartClass::prettyName() const
 {
   return TQString("%1 from %2")
-    .arg( _dep->name().isEmpty() ? TQString("(global)") : _dep->name())
-    .arg(part()->name());
+    .tqarg( _dep->name().isEmpty() ? TQString("(global)") : _dep->name())
+    .tqarg(part()->name());
 }
 
 //---------------------------------------------------
@@ -2237,8 +2233,8 @@ void TraceInstrJump::update()
 TQString TraceInstrJump::name() const
 {
   return TQString("jump at 0x%1 to 0x%2")
-    .arg(_instrFrom->addr().toString())
-    .arg(_instrTo->addr().toString());
+    .tqarg(_instrFrom->addr().toString())
+    .tqarg(_instrTo->addr().toString());
 }
 
 
@@ -2320,8 +2316,8 @@ TracePartLineJump* TraceLineJump::partLineJump(TracePart* part)
 TQString TraceLineJump::name() const
 {
   return TQString("jump at %1 to %2")
-      .arg(_lineFrom->prettyName())
-      .arg(_lineTo->prettyName());
+      .tqarg(_lineFrom->prettyName())
+      .tqarg(_lineTo->prettyName());
 }
 
 
@@ -2399,7 +2395,7 @@ TracePartInstrCall* TraceInstrCall::partInstrCall(TracePart* part,
 
 TQString TraceInstrCall::name() const
 {
-  return TQString("%1 at %2").arg(_call->name()).arg(_instr->name());
+  return TQString("%1 at %2").tqarg(_call->name()).tqarg(_instr->name());
 }
 
 
@@ -2435,7 +2431,7 @@ TracePartLineCall* TraceLineCall::partLineCall(TracePart* part,
 
 TQString TraceLineCall::name() const
 {
-  return TQString("%1 at %2").arg(_call->name()).arg(_line->name());
+  return TQString("%1 at %2").tqarg(_call->name()).tqarg(_line->name());
 }
 
 
@@ -2482,7 +2478,7 @@ TraceInstrCall* TraceCall::instrCall(TraceInstr* i)
     icall = new TraceInstrCall(this, i);
 
     _instrCalls.append(icall);
-    invalidate();
+    tqinvalidate();
 
 #if TRACE_DEBUG
     qDebug("Created %s [TraceCall::instrCall]", icall->fullName().ascii());
@@ -2504,7 +2500,7 @@ TraceLineCall* TraceCall::lineCall(TraceLine* l)
     lcall = new TraceLineCall(this, l);
 
     _lineCalls.append(lcall);
-    invalidate();
+    tqinvalidate();
 
 #if TRACE_DEBUG
     qDebug("Created %s [TraceCall::lineCall]", lcall->fullName().ascii());
@@ -2515,25 +2511,25 @@ TraceLineCall* TraceCall::lineCall(TraceLine* l)
 }
 
 
-void TraceCall::invalidateDynamicCost()
+void TraceCall::tqinvalidateDynamicCost()
 {
   TraceLineCall* lc;
   for (lc=_lineCalls.first();lc;lc=_lineCalls.next())
-    lc->invalidate();
+    lc->tqinvalidate();
 
   TraceInstrCall* ic;
   for (ic=_instrCalls.first();ic;ic=_instrCalls.next())
-    ic->invalidate();
+    ic->tqinvalidate();
 
-  invalidate();
+  tqinvalidate();
 }
 
 
 TQString TraceCall::name() const
 {
   return TQString("%1 => %2")
-    .arg(_caller->name())
-    .arg(_called->name());
+    .tqarg(_caller->name())
+    .tqarg(_called->name());
 }
 
 int TraceCall::inCycle()
@@ -2591,7 +2587,7 @@ TQString TraceCall::callerName(bool skipCycle) const
       TraceFunctionCycle* c = _called->cycle();
       if (c && _caller && (_caller->cycle() != c)) {
 	  TQString via = _called->prettyName();
-	  return i18n("%1 via %2").arg(_caller->prettyName()).arg(via);
+	  return i18n("%1 via %2").tqarg(_caller->prettyName()).tqarg(via);
       }
   }
 
@@ -2610,7 +2606,7 @@ TQString TraceCall::calledName(bool skipCycle) const
 	  _called->setCycle(0);
 	  TQString via = _called->prettyName();
 	  _called->setCycle(c);
-	  return i18n("%1 via %2").arg(c->name()).arg(via);
+	  return i18n("%1 via %2").tqarg(c->name()).tqarg(via);
       }
   }
   return _called->prettyName();
@@ -2687,7 +2683,7 @@ TraceInstrJump* TraceInstr::instrJump(TraceInstr* to, bool isJmpCond)
 void TraceInstr::addInstrCall(TraceInstrCall* instrCall)
 {
 #if TRACE_ASSERTIONS
-  if (_instrCalls.findRef(instrCall)>=0) return;
+  if (_instrCalls.tqfindRef(instrCall)>=0) return;
 
   if (instrCall->instr() != this) {
     qDebug("Can't add instruction call to another instruction!");
@@ -2696,7 +2692,7 @@ void TraceInstr::addInstrCall(TraceInstrCall* instrCall)
 #endif
 
   _instrCalls.append(instrCall);
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -2708,12 +2704,12 @@ void TraceInstr::addInstrCall(TraceInstrCall* instrCall)
 
 TQString TraceInstr::name() const
 {
-    return TQString("0x%1").arg(_addr.toString());
+    return TQString("0x%1").tqarg(_addr.toString());
 }
 
 TQString TraceInstr::prettyName() const
 {
-    return TQString("0x%1").arg(_addr.toString());
+    return TQString("0x%1").tqarg(_addr.toString());
 }
 
 
@@ -2787,7 +2783,7 @@ TraceLineJump* TraceLine::lineJump(TraceLine* to, bool isJmpCond)
 void TraceLine::addLineCall(TraceLineCall* lineCall)
 {
 #if TRACE_ASSERTIONS
-  if (_lineCalls.findRef(lineCall)>=0) return;
+  if (_lineCalls.tqfindRef(lineCall)>=0) return;
 
   if (lineCall->line() != this) {
     qDebug("Can't add line call to another line!");
@@ -2811,7 +2807,7 @@ void TraceLine::addLineCall(TraceLineCall* lineCall)
   }
 
   _lineCalls.append(lineCall);
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -2828,13 +2824,13 @@ TQString TraceLine::name() const
 	return i18n("(unknown)");
 
     return TQString("%1:%2")
-	.arg(fileShortName).arg(_lineno);
+	.tqarg(fileShortName).tqarg(_lineno);
 }
 
 TQString TraceLine::prettyName() const
 {
   return TQString("%1 [%2]")
-    .arg(name()).arg(_sourceFile->function()->prettyName());
+    .tqarg(name()).tqarg(_sourceFile->function()->prettyName());
 }
 
 //---------------------------------------------------
@@ -2873,7 +2869,7 @@ TraceFunctionSource::~TraceFunctionSource()
 
 TQString TraceFunctionSource::name() const
 {
-  return TQString("%1 for %2").arg(_file->name()).arg(_function->name());
+  return TQString("%1 for %2").tqarg(_file->name()).tqarg(_function->name());
 }
 
 uint TraceFunctionSource::firstLineno()
@@ -2912,7 +2908,7 @@ TraceLine* TraceFunctionSource::line(uint lineno, bool createNew)
 
   if (!createNew) {
     if (!_lineMap) return 0;
-    TraceLineMap::Iterator it = _lineMap->find(lineno);
+    TraceLineMap::Iterator it = _lineMap->tqfind(lineno);
     if (it == _lineMap->end()) return 0;
     return &(it.data());
   }
@@ -2949,17 +2945,17 @@ void TraceFunctionSource::update()
   _dirty = false;
 }
 
-void TraceFunctionSource::invalidateDynamicCost()
+void TraceFunctionSource::tqinvalidateDynamicCost()
 {
   // no need to create lineMap if not already created
   if (_lineMap) {
     TraceLineMap::Iterator lit;
     for ( lit = _lineMap->begin();
           lit != _lineMap->end(); ++lit )
-      (*lit).invalidate();
+      (*lit).tqinvalidate();
   }
 
-  invalidate();
+  tqinvalidate();
 }
 
 TraceLineMap* TraceFunctionSource::lineMap()
@@ -3129,12 +3125,12 @@ void TraceAssoziation::clear(TraceData* d, int rtti)
     (*it).removeAssoziation(rtti);
 }
 
-void TraceAssoziation::invalidate(TraceData* d, int rtti)
+void TraceAssoziation::tqinvalidate(TraceData* d, int rtti)
 {
   TraceFunctionMap::Iterator it;
   for ( it = d->functionMap().begin();
         it != d->functionMap().end(); ++it )
-    (*it).invalidateAssoziation(rtti);
+    (*it).tqinvalidateAssoziation(rtti);
 }
 
 
@@ -3202,12 +3198,12 @@ void TraceFunction::removeAssoziation(int rtti, bool reallyDelete)
     }
 }
 
-void TraceFunction::invalidateAssoziation(int rtti)
+void TraceFunction::tqinvalidateAssoziation(int rtti)
 {
   TraceAssoziation* a;
   for (a=_assoziations.first();a;a=_assoziations.next())
     if ((rtti==0) || (a->rtti() == rtti))
-      a->invalidate();
+      a->tqinvalidate();
 }
 
 TraceAssoziation* TraceFunction::assoziation(int rtti)
@@ -3244,7 +3240,7 @@ TQString TraceFunction::prettyName() const
   if (_name.isEmpty())
       return i18n("(unknown)");
 
-  int p = _name.find('(');
+  int p = _name.tqfind('(');
   if (p>0) {
     // handle C++ "operator()" correct
     if ((_name[p+1] == ')') && (_name[p+2] == '(')) p+=2;
@@ -3258,9 +3254,9 @@ TQString TraceFunction::prettyName() const
   // cycle members
   if (_cycle) {
     if (_cycle != this)
-      res = TQString("%1 <cycle %2>").arg(res).arg(_cycle->cycleNo());
+      res = TQString("%1 <cycle %2>").tqarg(res).tqarg(_cycle->cycleNo());
     else
-      res = TQString("<cycle %2>").arg(_cycle->cycleNo());
+      res = TQString("<cycle %2>").tqarg(_cycle->cycleNo());
   }
 
 
@@ -3283,9 +3279,9 @@ TQString TraceFunction::location(int maxFiles) const
     uint to = lastAddress();
     if (from != 0 && to != 0) {
       if (from == to)
-        loc += TQString(" (0x%1)").arg(to, 0, 16);
+        loc += TQString(" (0x%1)").tqarg(to, 0, 16);
       else
-        loc += TQString(" (0x%1-0x%2)").arg(from, 0, 16).arg(to, 0, 16);
+        loc += TQString(" (0x%1-0x%2)").tqarg(from, 0, 16).tqarg(to, 0, 16);
     }
 #endif   
   }
@@ -3314,9 +3310,9 @@ TQString TraceFunction::location(int maxFiles) const
     to = sourceFile->lastLineno();
     if (from != 0 && to != 0) {
       if (from == to)
-        loc += TQString(" (%1)").arg(to);
+        loc += TQString(" (%1)").tqarg(to);
       else
-        loc += TQString(" (%1-%2)").arg(from).arg(to);
+        loc += TQString(" (%1-%2)").tqarg(from).tqarg(to);
     }
 #endif
   }
@@ -3338,7 +3334,7 @@ void TraceFunction::addPrettyLocation(TQString& s, int maxFiles) const
     TQString l = location(maxFiles);
     if (l.isEmpty()) return;
 
-    s += TQString(" (%1)").arg(l);
+    s += TQString(" (%1)").tqarg(l);
 }
 
 TQString TraceFunction::prettyNameWithLocation(int maxFiles) const
@@ -3346,17 +3342,17 @@ TQString TraceFunction::prettyNameWithLocation(int maxFiles) const
     TQString l = location(maxFiles);
     if (l.isEmpty()) return prettyName();
 
-    return TQString("%1 (%2)").arg(prettyName()).arg(l);
+    return TQString("%1 (%2)").tqarg(prettyName()).tqarg(l);
 }
 
 TQString TraceFunction::info() const
 {
     TQString l = location();
     if (l.isEmpty())
-	return TQString("Function %1").arg(name());
+	return TQString("Function %1").tqarg(name());
 
     return TQString("Function %1 (location %2)")
-	.arg(name()).arg(l);
+	.tqarg(name()).tqarg(l);
 }
 
 
@@ -3385,7 +3381,7 @@ TraceInstr* TraceFunction::instr(Addr addr, bool createNew)
 
   if (!createNew) {
       if (!_instrMap) return 0;
-      TraceInstrMap::Iterator it = _instrMap->find(addr);
+      TraceInstrMap::Iterator it = _instrMap->tqfind(addr);
       if (it == _instrMap->end())
 	  return 0;
       return &(it.data());
@@ -3414,11 +3410,11 @@ void TraceFunction::addCaller(TraceCall* caller)
     return;
   }
 
-  if (_callers.findRef(caller)>=0) return;
+  if (_callers.tqfindRef(caller)>=0) return;
 #endif
 
   _callers.append(caller);
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added Caller\n %s (now %d)",
@@ -3430,7 +3426,7 @@ void TraceFunction::addCaller(TraceCall* caller)
 
 TraceCall* TraceFunction::calling(TraceFunction* called)
 {
-  TraceCallMap::Iterator it = _callingMap.find(called);
+  TraceCallMap::Iterator it = _callingMap.tqfind(called);
   TraceCall* calling = (it == _callingMap.end()) ? 0 : it.data();
 
   if (!calling) {
@@ -3439,8 +3435,8 @@ TraceCall* TraceFunction::calling(TraceFunction* called)
     _callingMap.insert(called, calling);
     _callings.append(calling);
 
-    // we have to invalidate ourself so invalidations from item propagate up
-    invalidate();
+    // we have to tqinvalidate ourself so invalidations from item propagate up
+    tqinvalidate();
 
 #if TRACE_DEBUG
     qDebug("Created %s [TraceFunction::calling]", calling->fullName().ascii());
@@ -3464,8 +3460,8 @@ TraceFunctionSource* TraceFunction::sourceFile(TraceFile* file,
 
     _sourceFiles.append(sourceFile);
 
-    // we have to invalidate ourself so invalidations from item propagate up
-    invalidate();
+    // we have to tqinvalidate ourself so invalidations from item propagate up
+    tqinvalidate();
 
 #if TRACE_DEBUG
     qDebug("Created SourceFile %s [TraceFunction::line]",
@@ -3591,24 +3587,24 @@ const TraceCallList& TraceFunction::callings(bool /* skipCycle */) const
   return _callings;
 }
 
-void TraceFunction::invalidateDynamicCost()
+void TraceFunction::tqinvalidateDynamicCost()
 {
   TraceCall* c;
   for (c=_callings.first();c;c=_callings.next())
-    c->invalidateDynamicCost();
+    c->tqinvalidateDynamicCost();
 
   TraceFunctionSource* sf;
   for (sf=_sourceFiles.first();sf;sf=_sourceFiles.next())
-    sf->invalidateDynamicCost();
+    sf->tqinvalidateDynamicCost();
 
   if (_instrMap) {
     TraceInstrMap::Iterator iit;
     for ( iit = _instrMap->begin();
           iit != _instrMap->end(); ++iit )
-      (*iit).invalidate();
+      (*iit).tqinvalidate();
   }
 
-  invalidate();
+  tqinvalidate();
 }
 
 void TraceFunction::update()
@@ -3955,7 +3951,7 @@ TraceFunctionCycle::TraceFunctionCycle(TraceFunction* f, int n)
   _cycle = this;
 
   setPosition(f->data());
-  setName(TQString("<cycle %1>").arg(n));
+  setName(TQString("<cycle %1>").tqarg(n));
 
   // reset to attributes of base function
   setFile(_base->file());
@@ -3971,7 +3967,7 @@ void TraceFunctionCycle::init()
   // this deletes all TraceCall's to members
   _callings.clear();
 
-  invalidate();
+  tqinvalidate();
 }
 
 void TraceFunctionCycle::add(TraceFunction* f)
@@ -3991,19 +3987,19 @@ void TraceFunctionCycle::setup()
     TraceCall *call;
     TraceCallList l = f->callers();
     for (call=l.first();call;call=l.next()) {
-      if ( _memberSet.contains(call->caller()) ) continue;
+      if ( _memberSet.tqcontains(call->caller()) ) continue;
       _callers.append(call);
     }
 
     // the cycle has a call to each member
     call = new TraceCall(this, f);
-    call->invalidate();
+    call->tqinvalidate();
     _callings.append(call);
 
     // now do some faking...
     f->setCycle(this);
   }
-  invalidate();
+  tqinvalidate();
 }
 
 
@@ -4045,12 +4041,12 @@ void TraceClass::addFunction(TraceFunction* function)
     return;
   }
 
-  if (_functions.findRef(function)>=0) return;
+  if (_functions.tqfindRef(function)>=0) return;
 #endif
 
   _functions.append(function);
 
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -4092,12 +4088,12 @@ void TraceFile::addFunction(TraceFunction* function)
     return;
   }
 
-  if (_functions.findRef(function)>=0) return;
+  if (_functions.tqfindRef(function)>=0) return;
 #endif
 
   _functions.append(function);
 
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -4118,7 +4114,7 @@ void TraceFile::addSourceFile(TraceFunctionSource* sourceFile)
 
   _sourceFiles.append(sourceFile);
   // not truely needed, as we don't use the sourceFiles for cost update
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s \n added SourceFile %s (now %d)",
@@ -4142,10 +4138,10 @@ TQString TraceFile::directory()
   if (!_dir.isEmpty()) return _dir;
 
   int lastIndex = 0, index;
-  while ( (index=_name.find("/", lastIndex)) >=0)
+  while ( (index=_name.tqfind("/", lastIndex)) >=0)
     lastIndex = index+1;
 
-  if (lastIndex==0) return TQString::null;
+  if (lastIndex==0) return TQString();
 
   // without ending "/"
   return _name.left(lastIndex-1);
@@ -4155,7 +4151,7 @@ TQString TraceFile::directory()
 TQString TraceFile::shortName() const
 {
   int lastIndex = 0, index;
-  while ( (index=_name.find("/", lastIndex)) >=0)
+  while ( (index=_name.tqfind("/", lastIndex)) >=0)
     lastIndex = index+1;
 
   return _name.mid(lastIndex);
@@ -4210,12 +4206,12 @@ void TraceObject::addFunction(TraceFunction* function)
     return;
   }
 
-  if (_functions.findRef(function)>=0) return;
+  if (_functions.tqfindRef(function)>=0) return;
 #endif
 
   _functions.append(function);
 
-  invalidate();
+  tqinvalidate();
 
 #if TRACE_DEBUG
   qDebug("%s added\n %s (now %d)",
@@ -4230,7 +4226,7 @@ void TraceObject::setName(const TQString& name)
   _name = name;
 
   int lastIndex = 0, index;
-  while ( (index=_name.find("/", lastIndex)) >=0)
+  while ( (index=_name.tqfind("/", lastIndex)) >=0)
     lastIndex = index+1;
 
   _shortName = _name.mid(lastIndex);
@@ -4294,7 +4290,7 @@ void TracePart::setProcessID(int pid)
 TQString TracePart::shortName() const
 {
   int lastIndex = 0, index;
-  while ( (index=_name.find("/", lastIndex)) >=0)
+  while ( (index=_name.tqfind("/", lastIndex)) >=0)
     lastIndex = index+1;
 
   return _name.mid(lastIndex);
@@ -4302,9 +4298,9 @@ TQString TracePart::shortName() const
 
 TQString TracePart::prettyName() const
 {
-    TQString name = TQString("%1.%2").arg(_pid).arg(_number);
+    TQString name = TQString("%1.%2").tqarg(_pid).tqarg(_number);
     if (data()->maxThreadID()>1)
-	name += TQString("-%3").arg(_tid);
+	name += TQString("-%3").tqarg(_tid);
     return name;
 }
 
@@ -4314,7 +4310,7 @@ bool TracePart::activate(bool active)
   _active = active;
 
   // to be done by the client of this function
-  //  data()->invalidateDynamicCost();
+  //  data()->tqinvalidateDynamicCost();
   // So better use the TraceData functions...
 
   return true;
@@ -4393,7 +4389,7 @@ TraceData::~TraceData()
 TQString TraceData::shortTraceName() const
 {
   int lastIndex = 0, index;
-  while ( (index=_traceName.find("/", lastIndex)) >=0)
+  while ( (index=_traceName.tqfind("/", lastIndex)) >=0)
     lastIndex = index+1;
 
   return _traceName.mid(lastIndex);
@@ -4502,7 +4498,7 @@ void TraceData::load(const TQString& base)
     if ((str.length() > pos) && (str[pos] == '.')) {
 	pos++;
 	while(str.length()>pos) {
-	    if (str[pos] < '0' || str[pos] > '9') break;
+	    if ((int)str.tqat(pos) < '0' || (int)str.tqat(pos) > '9') break;
 	    n = 10*n + (str[pos++] - '0');
 	}
     }
@@ -4512,7 +4508,7 @@ void TraceData::load(const TQString& base)
     if ((str.length() > pos) && (str[pos] == '-')) {
 	pos++;
 	while(str.length()>pos) {
-	    if (str[pos] < '0' || str[pos] > '9') break;
+	    if ((int)str.tqat(pos) < '0' || (int)str.tqat(pos) > '9') break;
 	    t = 10*t + (str[pos++] - '0');
 	}
     }
@@ -4531,16 +4527,16 @@ void TraceData::load(const TQString& base)
   }
   _parts.sort();
 
-  invalidateDynamicCost();
+  tqinvalidateDynamicCost();
   updateFunctionCycles();
 
   // clear loading messages from status bar
-  if (_topLevel) _topLevel->showStatus(TQString::null, 0);
+  if (_topLevel) _topLevel->showtqStatus(TQString(), 0);
 }
 
 TracePart* TraceData::addPart(const TQString& dir, const TQString& name)
 {
-    TQString filename = TQString("%1/%2").arg(dir).arg(name);
+    TQString filename = TQString("%1/%2").tqarg(dir).tqarg(name);
 #if TRACE_DEBUG
   qDebug("TraceData::addPart('%s')", filename.ascii());
 #endif
@@ -4551,8 +4547,8 @@ TracePart* TraceData::addPart(const TQString& dir, const TQString& name)
   if (!l) return 0;
 
   if (_topLevel)
-      _topLevel->connect(l, TQT_SIGNAL(updateStatus(TQString, int)),
-			 TQT_SLOT(showStatus(TQString, int)));
+      _topLevel->connect(l, TQT_SIGNAL(updatetqStatus(TQString, int)),
+			 TQT_SLOT(showtqStatus(TQString, int)));
 
   TracePart* part = new TracePart(this, file);
 
@@ -4572,13 +4568,13 @@ bool TraceData::activateParts(const TracePartList& l)
 
   TracePart* part;
   for (part=_parts.first();part;part=_parts.next())
-    if (part->activate(l.containsRef(part)>0))
+    if (part->activate(l.tqcontainsRef(part)>0))
         changed = true;
 
   if (changed) {
       // because active parts have changed, throw away calculated
       // costs...
-      invalidateDynamicCost();
+      tqinvalidateDynamicCost();
       updateFunctionCycles();
   }
 
@@ -4592,12 +4588,12 @@ bool TraceData::activateParts(TracePartList l, bool active)
 
   TracePart* part;
   for (part=l.first();part;part=l.next())
-    if (_parts.findRef(part)>=0)
+    if (_parts.tqfindRef(part)>=0)
       if (part->activate(active))
         changed = true;
 
   if (changed) {
-      invalidateDynamicCost();
+      tqinvalidateDynamicCost();
       updateFunctionCycles();
   }
 
@@ -4636,45 +4632,45 @@ TQString TraceData::activePartRange()
       else {
         if (!res.isEmpty()) res += ";";
         if (r1==r2) res += TQString::number(r1);
-        else res += TQString("%1-%2").arg(r1).arg(r2);
+        else res += TQString("%1-%2").tqarg(r1).tqarg(r2);
         r1 = r2 = count;
       }
     }
   if (r1>=0) {
     if (!res.isEmpty()) res += ";";
     if (r1==r2) res += TQString::number(r1);
-    else res += TQString("%1-%2").arg(r1).arg(r2);
+    else res += TQString("%1-%2").tqarg(r1).tqarg(r2);
   }
 
   return res;
 }
 
-void TraceData::invalidateDynamicCost()
+void TraceData::tqinvalidateDynamicCost()
 {
-  // invalidate all dynamic costs
+  // tqinvalidate all dynamic costs
 
   TraceObjectMap::Iterator oit;
   for ( oit = _objectMap.begin();
         oit != _objectMap.end(); ++oit )
-    (*oit).invalidate();
+    (*oit).tqinvalidate();
 
   TraceClassMap::Iterator cit;
   for ( cit = _classMap.begin();
         cit != _classMap.end(); ++cit )
-    (*cit).invalidate();
+    (*cit).tqinvalidate();
 
   TraceFileMap::Iterator fit;
   for ( fit = _fileMap.begin();
         fit != _fileMap.end(); ++fit )
-    (*fit).invalidate();
+    (*fit).tqinvalidate();
 
   TraceFunctionMap::Iterator it;
   for ( it = _functionMap.begin();
         it != _functionMap.end(); ++it ) {
-    (*it).invalidateDynamicCost();
+    (*it).tqinvalidateDynamicCost();
   }
 
-  invalidate();
+  tqinvalidate();
 
 }
 
@@ -4719,21 +4715,21 @@ TraceClass* TraceData::cls(const TQString& fnName, TQString& shortName)
   int lastIndex = 0, index, pIndex;
 
   // we ignore any "::" after a '(' or a space
-  pIndex=fnName.find("(", 0);
+  pIndex=fnName.tqfind("(", 0);
 
 #if 0
-  int sIndex=fnName.find(" ", 0);
+  int sIndex=fnName.tqfind(" ", 0);
   if (sIndex>=0)
     if ((pIndex == -1) || (sIndex < pIndex))
       pIndex = sIndex;
 #endif
 
-  while ((index=fnName.find("::", lastIndex)) >=0) {
+  while ((index=fnName.tqfind("::", lastIndex)) >=0) {
     if (pIndex>=0 && pIndex<index) break;
     lastIndex = index+2;
   }
 
-  TQString clsName = (lastIndex < 3) ? TQString::null :
+  TQString clsName = (lastIndex < 3) ? TQString() :
                     fnName.left(lastIndex-2);
   shortName = fnName.mid(lastIndex);
 
@@ -4770,7 +4766,7 @@ TraceFunction* TraceData::function(const TQString& name,
   TQString key = name + object->shortName();
 
   TraceFunctionMap::Iterator it;
-  it = _functionMap.find(key);
+  it = _functionMap.tqfind(key);
   if (it == _functionMap.end()) {
       it = _functionMap.insert(key, TraceFunction());
       TraceFunction& f = it.data();
@@ -4807,7 +4803,7 @@ TraceFunctionMap::Iterator TraceData::functionIterator(TraceFunction* f)
   key += f->name();
   key += f->object()->shortName();
 
-  return _functionMap.find(key);
+  return _functionMap.tqfind(key);
 }
 
 TraceFunctionMap::ConstIterator TraceData::functionBeginIterator() const
@@ -4847,10 +4843,10 @@ void TraceData::update()
 }
 
 TraceCost* TraceData::search(TraceItem::CostType t, TQString name,
-			     TraceCostType* ct, TraceCost* parent)
+			     TraceCostType* ct, TraceCost* tqparent)
 {
     TraceCost* result = 0;
-    TraceItem::CostType pt = parent ? parent->type() : NoCostType;
+    TraceItem::CostType pt = tqparent ? tqparent->type() : NoCostType;
     SubCost sc, scTop = 0;
 
     switch(t) {
@@ -4864,9 +4860,9 @@ TraceCost* TraceData::search(TraceItem::CostType t, TQString name,
 
 		if (f->name() != name) continue;
 
-		if ((pt == Class) && (parent != f->cls())) continue;
-		if ((pt == File) && (parent != f->file())) continue;
-		if ((pt == Object) && (parent != f->object())) continue;
+		if ((pt == Class) && (tqparent != f->cls())) continue;
+		if ((pt == File) && (tqparent != f->file())) continue;
+		if ((pt == Object) && (tqparent != f->object())) continue;
 
 		if (ct) {
 		    sc = f->inclusive()->subCost(ct);
@@ -4935,7 +4931,7 @@ TraceCost* TraceData::search(TraceItem::CostType t, TQString name,
 
     case Instr:
 	if (pt == Function) {
-	    TraceInstrMap* instrMap = ((TraceFunction*)parent)->instrMap();
+	    TraceInstrMap* instrMap = ((TraceFunction*)tqparent)->instrMap();
 	    if (!instrMap) break;
 
 	    TraceInstr *instr;
@@ -4953,9 +4949,9 @@ TraceCost* TraceData::search(TraceItem::CostType t, TQString name,
 	{
 	    TraceFunctionSourceList sList;
 	    if (pt == Function)
-		sList = ((TraceFunction*)parent)->sourceFiles();
+		sList = ((TraceFunction*)tqparent)->sourceFiles();
 	    else if (pt == FunctionSource)
-		sList.append((TraceFunctionSource*) parent);
+		sList.append((TraceFunctionSource*) tqparent);
 	    else break;
 
 	    TraceLineMap* lineMap;
@@ -5019,7 +5015,7 @@ void TraceData::updateFunctionCycles()
 #if 0
   int fCount = _functionMap.size(), fNo = 0, progress=0, p;
   TQString msg = i18n("Recalculating Function Cycles...");
-  if (_topLevel) _topLevel->showStatus(msg,0);
+  if (_topLevel) _topLevel->showtqStatus(msg,0);
 #endif
 
   // DFS and collapse strong connected components (Tarjan)
@@ -5033,7 +5029,7 @@ void TraceData::updateFunctionCycles()
 	  p = 100*fNo/fCount;
 	  if (p> progress) {
 	      progress = p;
-	      _topLevel->showStatus(msg, p);
+	      _topLevel->showtqStatus(msg, p);
 	  }
       }
 #endif
@@ -5047,11 +5043,11 @@ void TraceData::updateFunctionCycles()
     cycle->setup();
 
   _inFunctionCycleUpdate = false;
-  // we have to invalidate costs because cycles are now taken into account
-  invalidateDynamicCost();
+  // we have to tqinvalidate costs because cycles are now taken into account
+  tqinvalidateDynamicCost();
 
 #if 0
-  if (0) if (_topLevel) _topLevel->showStatus(TQString::null,0);
+  if (0) if (_topLevel) _topLevel->showtqStatus(TQString(),0);
 #endif
 }
 
diff --git a/kcachegrind/kcachegrind/tracedata.h b/kcachegrind/kcachegrind/tracedata.h
index 3ebe1310..1b57d297 100644
--- a/kcachegrind/kcachegrind/tracedata.h
+++ b/kcachegrind/kcachegrind/tracedata.h
@@ -64,7 +64,7 @@ class TQFile;
  *
  * For cost items, which are sums over all trace files read in, the
  * summed cost metrics change when e.g. a new trace file is read.
- * Thus, their cached costs are invalidated, and again recalculated
+ * Thus, their cached costs are tqinvalidated, and again recalculated
  * only on demand. In the following list, theses cost items are called
  * "dynamic", the other "fixed" (but neverless calculated lazy).
  *
@@ -301,16 +301,16 @@ public:
   virtual void clear();
 
   /** Invalidate the cost attributes.
-   * An invalidated object needs to be recalculated when a cost
+   * An tqinvalidated object needs to be recalculated when a cost
    * attribute is requested (e.g. by subCost()).
    * Has to be overwritten by subclasses when the cost influences costs of
    * other cost items. If only one item depends on the cost of this item,
    * it can by set with setDependant() without a need for overwriting.
    */
-  virtual void invalidate();
+  virtual void tqinvalidate();
 
   /**
-   * Sets a dependant to be invalidated when this cost is invalidated.
+   * Sets a dependant to be tqinvalidated when this cost is tqinvalidated.
    * Call this function directly after the constructor.
    */
   void setDependant(TraceItem* d) { _dep = d; }
@@ -388,7 +388,7 @@ public:
   void maxCost(int index, SubCost value);
   TraceCost diff(TraceCost* item);
 
-  virtual void invalidate();
+  virtual void tqinvalidate();
 
   /** Returns a sub cost. This automatically triggers
    * a call to update() if needed.
@@ -443,8 +443,8 @@ public:
    * <formula> uses short names to reference other types
    */
   TraceCostType(TQString name,
-                TQString longName = TQString::null,
-                TQString formula = TQString::null);
+                TQString longName = TQString(),
+                TQString formula = TQString());
 
   void setName(TQString n) { _name = n; }
   void setLongName(TQString n) { _longName = n; }
@@ -1303,7 +1303,7 @@ class TraceCall: public TraceCallListCost
   // we need some special handling for cycle calls
   void update();
 
-  void invalidateDynamicCost();
+  void tqinvalidateDynamicCost();
 
   // factories
   TracePartCall* partCall(TracePart*,
@@ -1502,7 +1502,7 @@ public:
   uint lastLineno();
   TraceLineMap* lineMap();
 
-  void invalidateDynamicCost();
+  void tqinvalidateDynamicCost();
 
   /* factories */
   TraceLine* line(uint lineno, bool createNew = true);
@@ -1549,7 +1549,7 @@ class TraceAssoziation
   bool setFunction(TraceFunction*);
   TraceFunction* function() { return _function; }
 
-  void invalidate() { _valid = false; }
+  void tqinvalidate() { _valid = false; }
   bool isValid() { return _valid; }
 
   /**
@@ -1562,7 +1562,7 @@ class TraceAssoziation
    * Invalidate all assoziations in TraceFunctions of data with
    * rtti runtime info. rtti = 0: Invalidate ALL assoziations.
    */
-  static void invalidate(TraceData* data, int rtti);
+  static void tqinvalidate(TraceData* data, int rtti);
 
  protected:
   TraceFunction* _function;
@@ -1590,9 +1590,9 @@ class TraceFunction: public TraceCostItem
   virtual CostType type() const { return Function; }
   virtual void update();
 
-  // this invalidate all subcosts of function depending on
+  // this tqinvalidate all subcosts of function depending on
   // active status of parts
-  void invalidateDynamicCost();
+  void tqinvalidateDynamicCost();
 
   void addCaller(TraceCall*);
 
@@ -1651,7 +1651,7 @@ class TraceFunction: public TraceCostItem
   void addAssoziation(TraceAssoziation* a);
   void removeAssoziation(TraceAssoziation* a);
   void removeAssoziation(int rtti, bool reallyDelete = true);
-  void invalidateAssoziation(int rtti);
+  void tqinvalidateAssoziation(int rtti);
   TraceAssoziation* assoziation(int rtti);
 
   // cycles
@@ -1764,7 +1764,7 @@ class TraceFile: public TraceCostItem
 
   virtual CostType type() const { return File; }
   void setDirectory(const TQString& dir);
-  void resetDirectory() { _dir = TQString::null; }
+  void resetDirectory() { _dir = TQString(); }
   TQString directory();
 
   void addFunction(TraceFunction*);
@@ -1841,10 +1841,10 @@ class TraceData: public TraceCost
   void load(const TQString&);
 
   /** returns true if something changed. These do NOT
-   * invalidate the dynamic costs on a activation change,
+   * tqinvalidate the dynamic costs on a activation change,
    * i.e. all cost items dependend on active parts.
    * This has to be done by the caller when true is returned by
-   * calling invalidateDynamicCost().
+   * calling tqinvalidateDynamicCost().
    */
   bool activateParts(const TracePartList&);
   bool activateParts(TracePartList, bool active);
@@ -1879,13 +1879,13 @@ class TraceData: public TraceCost
   /**
    * Search for item with given name and highest subcost of given cost type.
    *
-   * For some items, they will only be found if the parent cost is given:
-   *  Instr, Line, Call  => need parent of type Function
-   * For Function, a parent of type Obj/File/Class can be given, but
+   * For some items, they will only be found if the tqparent cost is given:
+   *  Instr, Line, Call  => need tqparent of type Function
+   * For Function, a tqparent of type Obj/File/Class can be given, but
    * isn't needed.
    */
   TraceCost* search(TraceItem::CostType, TQString,
-		    TraceCostType* ct = 0, TraceCost* parent = 0);
+		    TraceCostType* ct = 0, TraceCost* tqparent = 0);
 
   // for pretty function names without signature if unique...
   TraceFunctionMap::Iterator functionIterator(TraceFunction*);
@@ -1914,8 +1914,8 @@ class TraceData: public TraceCost
 
   virtual void update();
 
-  // invalidates all cost items dependant on active state of parts
-  void invalidateDynamicCost();
+  // tqinvalidates all cost items dependant on active state of parts
+  void tqinvalidateDynamicCost();
 
   // cycle detection
   void updateFunctionCycles();
diff --git a/kcachegrind/kcachegrind/traceitemview.cpp b/kcachegrind/kcachegrind/traceitemview.cpp
index d11f02b6..1d612ac3 100644
--- a/kcachegrind/kcachegrind/traceitemview.cpp
+++ b/kcachegrind/kcachegrind/traceitemview.cpp
@@ -30,10 +30,10 @@
 
 #define TRACE_UPDATES 0
 
-TraceItemView::TraceItemView(TraceItemView* parentView, TopLevel* top)
+TraceItemView::TraceItemView(TraceItemView* tqparentView, TopLevel* top)
 {
-  _parentView = parentView;
-  _topLevel = top ? top : parentView->topLevel();
+  _parentView = tqparentView;
+  _topLevel = top ? top : tqparentView->topLevel();
 
   _data = _newData = 0;
   // _partList and _newPartList is empty
@@ -62,7 +62,7 @@ KConfigGroup* TraceItemView::configGroup(KConfig* c,
 					 TQString group, TQString post)
 {
     TQStringList gList = c->groupList();
-    if (gList.contains((group+post).ascii()) ) group += post;
+    if (gList.tqcontains((group+post).ascii()) ) group += post;
     return new KConfigGroup(c, group);
 }
 
@@ -178,7 +178,7 @@ void TraceItemView::setData(TraceData* d)
 {
   _newData = d;
 
-  // invalidate all pointers to old data
+  // tqinvalidate all pointers to old data
   _activeItem = _newActiveItem = 0;
   _selectedItem = _newSelectedItem = 0;
   _costType = _newCostType = 0;
diff --git a/kcachegrind/kcachegrind/traceitemview.h b/kcachegrind/kcachegrind/traceitemview.h
index f83aa896..a842a1d2 100644
--- a/kcachegrind/kcachegrind/traceitemview.h
+++ b/kcachegrind/kcachegrind/traceitemview.h
@@ -66,10 +66,10 @@ public:
 
   enum Direction { None, Back, Forward, Up };
 
-  // a TraceItemView can have a position in a parent container
+  // a TraceItemView can have a position in a tqparent container
   enum Position { Hidden, Top, Right, Left, Bottom };
 
-  TraceItemView(TraceItemView* parentView, TopLevel* top = 0);
+  TraceItemView(TraceItemView* tqparentView, TopLevel* top = 0);
   virtual ~TraceItemView() {}
 
   virtual TQString whatsThis() const;
@@ -94,7 +94,7 @@ public:
   // Overwrite in container views to also set new data for all members.
   virtual void setData(TraceData* d);
 
-  // change from parent, call updateView() to update lazily (only if visible)
+  // change from tqparent, call updateView() to update lazily (only if visible)
   void setCostType(TraceCostType* t) { _newCostType = t; }
   void setCostType2(TraceCostType* t) { _newCostType2 = t; }
   void set(TraceItem::CostType g) { _newGroupType = g; }
@@ -113,7 +113,7 @@ public:
 
   /**
    * Notification from child views.
-   * Default implementation notifies parent
+   * Default implementation notifies tqparent
    */
   virtual void selected(TraceItemView* sender, TraceItem*);
   virtual void selected(TraceItemView* sender, const TracePartList&);
@@ -165,7 +165,7 @@ public:
   void addGoMenu(TQPopupMenu*);
 
 protected:
-  // helpers to call selected()/activated() of parentView
+  // helpers to call selected()/activated() of tqparentView
   void selected(TraceItem*);
   void selected(const TracePartList&);
   void activated(TraceItem*);
diff --git a/kcachegrind/kcachegrind/treemap.cpp b/kcachegrind/kcachegrind/treemap.cpp
index fe01c796..cdc48cc8 100644
--- a/kcachegrind/kcachegrind/treemap.cpp
+++ b/kcachegrind/kcachegrind/treemap.cpp
@@ -51,7 +51,7 @@ StoredDrawParams::StoredDrawParams()
   _shaded = true;
   _rotated = false;
 
-  _backColor = Qt::white;
+  _backColor = TQt::white;
 
   // field array has size 0
 }
@@ -73,7 +73,7 @@ StoredDrawParams::StoredDrawParams(TQColor c,
 TQString StoredDrawParams::text(int f) const
 {
   if ((f<0) || (f >= (int)_field.size()))
-    return TQString::null;
+    return TQString();
 
   return _field[f].text;
 }
@@ -269,7 +269,7 @@ void RectDrawing::drawBack(TQPainter* p, DrawParams* dp)
 
   if (dp->shaded()) {
     // some shading
-    bool goDark = qGray(normal.rgb())>128;
+    bool goDark = tqGray(normal.rgb())>128;
     int rBase, gBase, bBase;
     normal.rgb(&rBase, &gBase, &bBase);
     p->setBrush(TQBrush::NoBrush);
@@ -528,7 +528,7 @@ bool RectDrawing::drawField(TQPainter* p, int f, DrawParams* dp)
   }
 
   p->save();
-  p->setPen( (qGray(dp->backColor().rgb())>100) ? Qt::black : Qt::white);
+  p->setPen( (tqGray(dp->backColor().rgb())>100) ? TQt::black : TQt::white);
   p->setFont(dp->font());
   if (rotate) {
     //p->translate(r.x()+2, r.y()+r.height());
@@ -619,7 +619,7 @@ bool RectDrawing::drawField(TQPainter* p, int f, DrawParams* dp)
       }
     }
     else
-      remaining = TQString::null;
+      remaining = TQString();
 
     /* truncate and add ... if needed */
     if (w>width) {
@@ -658,7 +658,7 @@ bool RectDrawing::drawField(TQPainter* p, int f, DrawParams* dp)
 
     p->drawText( x+pixW, y,
 		 width - pixW, h,
-		 Qt::AlignLeft, name);
+		 TQt::AlignLeft, name);
     y = isBottom ? (y-h) : (y+h);
     lines--;
 
@@ -720,11 +720,11 @@ int TreeMapItemList::compareItems ( Item item1, Item item2 )
   bool ascending;
   int result;
 
-  TreeMapItem* parent = ((TreeMapItem*)item1)->parent();
+  TreeMapItem* tqparent = ((TreeMapItem*)item1)->tqparent();
   // shouldn't happen
-  if (!parent) return 0;
+  if (!tqparent) return 0;
 
-  int textNo = parent->sorting(&ascending);
+  int textNo = tqparent->sorting(&ascending);
 
   if (textNo < 0) {
     double diff = ((TreeMapItem*)item1)->value() -
@@ -741,25 +741,25 @@ int TreeMapItemList::compareItems ( Item item1, Item item2 )
 
 TreeMapItem* TreeMapItemList::commonParent()
 {
-  TreeMapItem* parent, *item;
-  parent = first();
-  if (parent)
+  TreeMapItem* tqparent, *item;
+  tqparent = first();
+  if (tqparent)
     while( (item = next()) != 0)
-      parent = parent->commonParent(item);
+      tqparent = tqparent->commonParent(item);
 
-  return parent;
+  return tqparent;
 }
 
 
 // TreeMapItem
 
-TreeMapItem::TreeMapItem(TreeMapItem* parent, double value)
+TreeMapItem::TreeMapItem(TreeMapItem* tqparent, double value)
 {
   _value = value;
-  _parent = parent;
+  _parent = tqparent;
 
   _sum = 0;
-  _children = 0;
+  _tqchildren = 0;
   _widget = 0;
   _index = -1;
   _depth = -1; // not set
@@ -767,7 +767,7 @@ TreeMapItem::TreeMapItem(TreeMapItem* parent, double value)
   _freeRects = 0;
 
   if (_parent) {
-    // take sorting from parent
+    // take sorting from tqparent
     _sortTextNo = _parent->sorting(&_sortAscending);
     _parent->addItem(this);
   }
@@ -778,12 +778,12 @@ TreeMapItem::TreeMapItem(TreeMapItem* parent, double value)
 }
 
 
-TreeMapItem::TreeMapItem(TreeMapItem* parent, double value,
+TreeMapItem::TreeMapItem(TreeMapItem* tqparent, double value,
                          TQString text1, TQString text2,
                          TQString text3, TQString text4)
 {
   _value = value;
-  _parent = parent;
+  _parent = tqparent;
 
   // this resizes the text vector only if needed
   if (!text4.isEmpty()) setText(3, text4);
@@ -792,7 +792,7 @@ TreeMapItem::TreeMapItem(TreeMapItem* parent, double value,
   setText(0, text1);
 
   _sum = 0;
-  _children = 0;
+  _tqchildren = 0;
   _widget = 0;
   _index = -1;
   _depth = -1; // not set
@@ -804,7 +804,7 @@ TreeMapItem::TreeMapItem(TreeMapItem* parent, double value,
 
 TreeMapItem::~TreeMapItem()
 {
-  if (_children) delete _children;
+  if (_tqchildren) delete _tqchildren;
   if (_freeRects) delete _freeRects;
 
   // finally, notify widget about deletion
@@ -832,7 +832,7 @@ bool TreeMapItem::isChildOf(TreeMapItem* item)
 TreeMapItem* TreeMapItem::commonParent(TreeMapItem* item)
 {
   while (item && !isChildOf(item)) {
-    item = item->parent();
+    item = item->tqparent();
   }
   return item;
 }
@@ -845,18 +845,18 @@ void TreeMapItem::redraw()
 
 void TreeMapItem::clear()
 {
-  if (_children) {
+  if (_tqchildren) {
     // delete selected items below this item from selection
     if (_widget) _widget->clearSelection(this);
 
-    delete _children;
-    _children = 0;
+    delete _tqchildren;
+    _tqchildren = 0;
   }
 }
 
 
-// invalidates current children and forces redraw
-// this is only usefull when children are created on demand in items()
+// tqinvalidates current tqchildren and forces redraw
+// this is only usefull when tqchildren are created on demand in items()
 void TreeMapItem::refresh()
 {
   clear();
@@ -890,9 +890,9 @@ int TreeMapItem::depth() const
 
 bool TreeMapItem::initialized()
 {
-  if (!_children) {
-    _children = new TreeMapItemList;
-    _children->setAutoDelete(true);
+  if (!_tqchildren) {
+    _tqchildren = new TreeMapItemList;
+    _tqchildren->setAutoDelete(true);
     return false;
   }
   return true;
@@ -902,16 +902,16 @@ void TreeMapItem::addItem(TreeMapItem* i)
 {
   if (!i) return;
 
-  if (!_children) {
-    _children = new TreeMapItemList;
-    _children->setAutoDelete(true);
+  if (!_tqchildren) {
+    _tqchildren = new TreeMapItemList;
+    _tqchildren->setAutoDelete(true);
   }
   i->setParent(this);
 
   if (sorting(0) == -1)
-    _children->append(i); // preserve insertion order
+    _tqchildren->append(i); // preserve insertion order
   else
-    _children->inSort(i);
+    _tqchildren->inSort(i);
 }
 
 
@@ -977,17 +977,17 @@ void TreeMapItem::setSorting(int textNo, bool ascending)
     _sortAscending = ascending;
     _sortTextNo = textNo;
 
-    if (_children && _sortTextNo != -1) _children->sort();
+    if (_tqchildren && _sortTextNo != -1) _tqchildren->sort();
 }
 
 void TreeMapItem::resort(bool recursive)
 {
-  if (!_children) return;
+  if (!_tqchildren) return;
 
-  if (_sortTextNo != -1) _children->sort();
+  if (_sortTextNo != -1) _tqchildren->sort();
 
   if (recursive)
-    for (TreeMapItem* i=_children->first(); i; i=_children->next())
+    for (TreeMapItem* i=_tqchildren->first(); i; i=_tqchildren->next())
       i->resort(recursive);
 }
 
@@ -1005,13 +1005,13 @@ int TreeMapItem::rtti() const
   return 0;
 }
 
-TreeMapItemList* TreeMapItem::children()
+TreeMapItemList* TreeMapItem::tqchildren()
 {
-  if (!_children) {
-    _children = new TreeMapItemList;
-    _children->setAutoDelete(true);
+  if (!_tqchildren) {
+    _tqchildren = new TreeMapItemList;
+    _tqchildren->setAutoDelete(true);
   }
-  return _children;
+  return _tqchildren;
 }
 
 void TreeMapItem::clearItemRect()
@@ -1075,7 +1075,7 @@ void TreeMapItem::addFreeRect(const TQRect& r)
 
 // Tooltips for TreeMapWidget
 
-class TreeMapTip: public QToolTip
+class TreeMapTip: public TQToolTip
 {
 public:
   TreeMapTip( TQWidget* p ):TQToolTip(p) {}
@@ -1086,17 +1086,17 @@ protected:
 
 void TreeMapTip::maybeTip( const TQPoint& pos )
 {
-  if ( !parentWidget()->inherits( "TreeMapWidget" ) )
+  if ( !tqparentWidget()->inherits( "TreeMapWidget" ) )
         return;
 
-  TreeMapWidget* p = (TreeMapWidget*)parentWidget();
+  TreeMapWidget* p = (TreeMapWidget*)tqparentWidget();
   TreeMapItem* i;
   i = p->item(pos.x(), pos.y());
   TQPtrList<TQRect>* rList = i ? i->freeRects() : 0;
   if (rList) {
       TQRect* r;
       for(r=rList->first();r;r=rList->next())
-	  if (r->contains(pos))
+	  if (r->tqcontains(pos))
 	      tip(*r, p->tipString(i));
   }
 }
@@ -1106,8 +1106,8 @@ void TreeMapTip::maybeTip( const TQPoint& pos )
 // TreeMapWidget
 
 TreeMapWidget::TreeMapWidget(TreeMapItem* base,
-			     TQWidget* parent, const char* name)
-    : TQWidget(parent, name)
+			     TQWidget* tqparent, const char* name)
+    : TQWidget(tqparent, name)
 {
     _base = base;
     _base->setWidget(this);
@@ -1147,8 +1147,8 @@ TreeMapWidget::TreeMapWidget(TreeMapItem* base,
   _lastOver = 0;
   _needsRefresh = _base;
 
-  setBackgroundMode(Qt::NoBackground);
-  setFocusPolicy(TQWidget::StrongFocus);
+  setBackgroundMode(TQt::NoBackground);
+  setFocusPolicy(TQ_StrongFocus);
   _tip = new TreeMapTip(this);
 }
 
@@ -1278,7 +1278,7 @@ void TreeMapWidget::setMaxDrawingDepth(int d)
 
 TQString TreeMapWidget::defaultFieldType(int f) const
 {
-  return i18n("Text %1").arg(f+1);
+  return i18n("Text %1").tqarg(f+1);
 }
 
 TQString TreeMapWidget::defaultFieldStop(int) const
@@ -1459,10 +1459,10 @@ void TreeMapWidget::setMinimalArea(int area)
 void TreeMapWidget::deletingItem(TreeMapItem* i)
 {
   // remove any references to the item to be deleted
-  while(_selection.findRef(i) > -1)
+  while(_selection.tqfindRef(i) > -1)
     _selection.remove();
 
-  while(_tmpSelection.findRef(i) > -1)
+  while(_tmpSelection.tqfindRef(i) > -1)
     _tmpSelection.remove();
 
   if (_current == i) _current = 0;
@@ -1472,9 +1472,9 @@ void TreeMapWidget::deletingItem(TreeMapItem* i)
 
   // don't redraw a deleted item
   if (_needsRefresh == i) {
-    // we can savely redraw the parent, as deleting order is
-    // from child to parent; i.e. i->parent() is existing. 
-    _needsRefresh = i->parent();
+    // we can savely redraw the tqparent, as deleting order is
+    // from child to tqparent; i.e. i->tqparent() is existing. 
+    _needsRefresh = i->tqparent();
   }
 }
 
@@ -1494,7 +1494,7 @@ TQString TreeMapWidget::tipString(TreeMapItem* i) const
 
       tip += itemTip;
     }
-    i = i->parent();
+    i = i->tqparent();
   }
   return tip;
 }
@@ -1504,11 +1504,11 @@ TreeMapItem* TreeMapWidget::item(int x, int y) const
   TreeMapItem* p = _base;
   TreeMapItem* i;
 
-  if (!rect().contains(x, y)) return 0;
+  if (!TQT_TQRECT_OBJECT(rect()).tqcontains(x, y)) return 0;
   if (DEBUG_DRAWING) kdDebug(90100) << "item(" << x << "," << y << "):" << endl;
 
   while (1) {
-    TreeMapItemList* list = p->children();
+    TreeMapItemList* list = p->tqchildren();
     if (!list)
       i = 0;
     else {
@@ -1517,11 +1517,11 @@ TreeMapItem* TreeMapWidget::item(int x, int y) const
 
         if (DEBUG_DRAWING)
 	    kdDebug(90100) << "  Checking " << i->path(0).join("/") << " ("
-		      << i->itemRect().x() << "/" << i->itemRect().y()
-		      << "-" << i->itemRect().width() 
-		      << "x" << i->itemRect().height() << ")" << endl;
+		      << i->tqitemRect().x() << "/" << i->tqitemRect().y()
+		      << "-" << i->tqitemRect().width() 
+		      << "x" << i->tqitemRect().height() << ")" << endl;
 
-        if (i->itemRect().contains(x, y)) {
+        if (i->tqitemRect().tqcontains(x, y)) {
 
 	    if (DEBUG_DRAWING) kdDebug(90100) << "  .. Got. Index " << idx << endl;
 
@@ -1539,7 +1539,7 @@ TreeMapItem* TreeMapWidget::item(int x, int y) const
         if (DEBUG_DRAWING)
 	    kdDebug(90100) << "item(" << x << "," << y << "): Got " 
 		      << p->path(0).join("/") << " (Size " 
-		      << p->itemRect().width() << "x" << p->itemRect().height()
+		      << p->tqitemRect().width() << "x" << p->tqitemRect().height()
 		      << ", Val " << p->value() << ")" << endl;
       }
 
@@ -1556,7 +1556,7 @@ TreeMapItem* TreeMapWidget::possibleSelection(TreeMapItem* i) const
     if (_maxSelectDepth>=0) {
       int depth = i->depth();
       while(i && depth > _maxSelectDepth) {
-        i = i->parent();
+        i = i->tqparent();
         depth--;
       }
     }
@@ -1568,16 +1568,16 @@ TreeMapItem* TreeMapWidget::visibleItem(TreeMapItem* i) const
 {
   if (i) {
     /* Must have a visible area */
-    while(i && ((i->itemRect().width() <1) ||
-                (i->itemRect().height() <1))) {
-      TreeMapItem* p = i->parent();
+    while(i && ((i->tqitemRect().width() <1) ||
+                (i->tqitemRect().height() <1))) {
+      TreeMapItem* p = i->tqparent();
       if (!p) break;
-      int idx = p->children()->findRef(i);
+      int idx = p->tqchildren()->tqfindRef(i);
       idx--;
       if (idx<0)
         i = p;
       else
-        i = p->children()->at(idx);
+        i = p->tqchildren()->at(idx);
     }
   }
   return i;
@@ -1622,12 +1622,12 @@ TreeMapItemList TreeMapWidget::diff(TreeMapItemList& l1,
   TreeMapItem* item;
   while ( (item = it1.current()) != 0 ) {
     ++it1;
-    if (l2.containsRef(item) > 0) continue;
+    if (l2.tqcontainsRef(item) > 0) continue;
     l.append(item);
   }
   while ( (item = it2.current()) != 0 ) {
     ++it2;
-    if (l1.containsRef(item) > 0) continue;
+    if (l1.tqcontainsRef(item) > 0) continue;
     l.append(item);
   }
 
@@ -1670,13 +1670,13 @@ TreeMapItem* TreeMapWidget::setTmpSelected(TreeMapItem* item, bool selected)
 }
 
 
-bool TreeMapWidget::clearSelection(TreeMapItem* parent)
+bool TreeMapWidget::clearSelection(TreeMapItem* tqparent)
 {
   TreeMapItemList old = _selection;
 
   TreeMapItem* i=_selection.first();
   while (i) {
-    if (i->isChildOf(parent)) {
+    if (i->isChildOf(tqparent)) {
       _selection.remove();
       i = _selection.current();
     }
@@ -1694,12 +1694,12 @@ bool TreeMapWidget::clearSelection(TreeMapItem* parent)
 
 bool TreeMapWidget::isSelected(TreeMapItem* i) const
 {
-  return _selection.containsRef(i)>0;
+  return _selection.tqcontainsRef(i)>0;
 }
 
 bool TreeMapWidget::isTmpSelected(TreeMapItem* i)
 {
-  return _tmpSelection.containsRef(i)>0;
+  return _tmpSelection.tqcontainsRef(i)>0;
 }
 
 
@@ -1764,14 +1764,14 @@ TreeMapItem* TreeMapWidget::setTmpRangeSelection(TreeMapItem* i1,
   TreeMapItem* commonParent = i1;
   while (commonParent && !i2->isChildOf(commonParent)) {
     i1 = commonParent;
-    commonParent = commonParent->parent();
+    commonParent = commonParent->tqparent();
   }
   if (!commonParent) return changed;
-  while (i2 && i2->parent() != commonParent)
-    i2 = i2->parent();
+  while (i2 && i2->tqparent() != commonParent)
+    i2 = i2->tqparent();
   if (!i2) return changed;
 
-  TreeMapItemList* list = commonParent->children();
+  TreeMapItemList* list = commonParent->tqchildren();
   if (!list) return changed;
 
   TreeMapItem* i = list->first();
@@ -1794,11 +1794,11 @@ void TreeMapWidget::contextMenuEvent( TQContextMenuEvent* e )
 {
   //kdDebug(90100) << "TreeMapWidget::contextMenuEvent" << endl;
 
-  if ( receivers( TQT_SIGNAL(contextMenuRequested(TreeMapItem*, const TQPoint &)) ) )
+  if ( tqreceivers( TQT_SIGNAL(contextMenuRequested(TreeMapItem*, const TQPoint &)) ) )
     e->accept();
 
   if ( e->reason() == TQContextMenuEvent::Keyboard ) {
-    TQRect r = (_current) ? _current->itemRect() : _base->itemRect();
+    TQRect r = (_current) ? _current->tqitemRect() : _base->tqitemRect();
     TQPoint p = TQPoint(r.left() + r.width()/2, r.top() + r.height()/2);
     emit contextMenuRequested(_current, p);
   }
@@ -1852,7 +1852,7 @@ void TreeMapWidget::mousePressEvent( TQMouseEvent* e )
   }
 
   // item under mouse always selected on right button press
-  if (e->button() == RightButton) {
+  if (e->button() == Qt::RightButton) {
     TreeMapItem* changed2 = setTmpSelected(item, true);
     if (changed2) changed = changed2->commonParent(changed);
   }
@@ -1862,7 +1862,7 @@ void TreeMapWidget::mousePressEvent( TQMouseEvent* e )
   if (changed)
     redraw(changed);
 
-  if (e->button() == RightButton) {    
+  if (e->button() == Qt::RightButton) {
 
     // emit selection change
     if (! (_tmpSelection == _selection)) {
@@ -1961,15 +1961,15 @@ void TreeMapWidget::mouseDoubleClickEvent( TQMouseEvent* e )
 /* returns -1 if nothing visible found */
 int nextVisible(TreeMapItem* i)
 {
-  TreeMapItem* p = i->parent();
-  if (!p || p->itemRect().isEmpty()) return -1;
+  TreeMapItem* p = i->tqparent();
+  if (!p || p->tqitemRect().isEmpty()) return -1;
 
-  int idx = p->children()->findRef(i);
+  int idx = p->tqchildren()->tqfindRef(i);
   if (idx<0) return -1;
 
-  while (idx < (int)p->children()->count()-1) {
+  while (idx < (int)p->tqchildren()->count()-1) {
     idx++;
-    TQRect r = p->children()->at(idx)->itemRect();
+    TQRect r = p->tqchildren()->at(idx)->tqitemRect();
     if (r.width()>1 && r.height()>1)
       return idx;
   }
@@ -1979,15 +1979,15 @@ int nextVisible(TreeMapItem* i)
 /* returns -1 if nothing visible found */
 int prevVisible(TreeMapItem* i)
 {
-  TreeMapItem* p = i->parent();
-  if (!p || p->itemRect().isEmpty()) return -1;
+  TreeMapItem* p = i->tqparent();
+  if (!p || p->tqitemRect().isEmpty()) return -1;
 
-  int idx = p->children()->findRef(i);
+  int idx = p->tqchildren()->tqfindRef(i);
   if (idx<0) return -1;
 
   while (idx > 0) {
     idx--;
-    TQRect r = p->children()->at(idx)->itemRect();
+    TQRect r = p->tqchildren()->at(idx)->tqitemRect();
     if (r.width()>1 && r.height()>1)
       return idx;
   }
@@ -2050,7 +2050,7 @@ void TreeMapWidget::keyPressEvent( TQKeyEvent* e )
   }
 
   TreeMapItem* old = _current,  *newItem;
-  TreeMapItem* p = _current->parent();
+  TreeMapItem* p = _current->tqparent();
 
   bool goBack;
   if (_current->sorting(&goBack) == -1) {
@@ -2068,24 +2068,24 @@ void TreeMapWidget::keyPressEvent( TQKeyEvent* e )
     int newIdx = goBack ? nextVisible(_current) : prevVisible(_current);
     if (p && newIdx>=0) {
       p->setIndex(newIdx);
-      setCurrent(p->children()->at(newIdx), true);
+      setCurrent(p->tqchildren()->at(newIdx), true);
     }
   }
   else if (e->key() == Key_Right) {
     int newIdx = goBack ? prevVisible(_current) : nextVisible(_current);
     if (p && newIdx>=0) {
       p->setIndex(newIdx);
-      setCurrent(p->children()->at(newIdx), true);
+      setCurrent(p->tqchildren()->at(newIdx), true);
     }
   }
   else if (e->key() == Key_Down) {
-    if (_current->children() && _current->children()->count()>0) {
+    if (_current->tqchildren() && _current->tqchildren()->count()>0) {
       int newIdx = _current->index();
       if (newIdx<0)
-        newIdx = goBack ? (_current->children()->count()-1) : 0;
-      if (newIdx>=(int)_current->children()->count())
-        newIdx = _current->children()->count()-1;
-      newItem = visibleItem(_current->children()->at(newIdx));
+        newIdx = goBack ? (_current->tqchildren()->count()-1) : 0;
+      if (newIdx>=(int)_current->tqchildren()->count())
+        newIdx = _current->tqchildren()->count()-1;
+      newItem = visibleItem(_current->tqchildren()->at(newIdx));
       setCurrent(newItem, true);
     }
   }
@@ -2162,7 +2162,7 @@ void TreeMapWidget::drawTreeMap()
     }
     else {
       // only subitem
-      if (!_needsRefresh->itemRect().isValid()) return;
+      if (!_needsRefresh->tqitemRect().isValid()) return;
     }
 
     // reset cached font object; it could have been changed
@@ -2173,14 +2173,14 @@ void TreeMapWidget::drawTreeMap()
     _needsRefresh = 0;
   }
 
-  bitBlt( this, 0, 0, &_pixmap, 0, 0,
+  bitBlt( TQT_TQPAINTDEVICE(this), 0, 0, TQT_TQPAINTDEVICE(&_pixmap), 0, 0,
           TQWidget::width(), TQWidget::height(), CopyROP, true);
 
   if (hasFocus()) {
     TQPainter p(this);
-    style().drawPrimitive( TQStyle::PE_FocusRect, &p,
+    tqstyle().tqdrawPrimitive( TQStyle::PE_FocusRect, &p,
                            TQRect(0, 0, TQWidget::width(), TQWidget::height()),
-                           colorGroup() );
+                           tqcolorGroup() );
   }
 }
 
@@ -2210,7 +2210,7 @@ void TreeMapWidget::drawItem(TQPainter* p,
   TreeMapItem* i;
 
   if (_markNo>0) {
-      for(i = item;i;i=i->parent())
+      for(i = item;i;i=i->tqparent())
 	  if (i->isMarked(_markNo)) break;
 
       isSelected = (i!=0);
@@ -2226,7 +2226,7 @@ void TreeMapWidget::drawItem(TQPainter* p,
   int dd = item->depth();
   if (isTransparent(dd)) return;
 
-  RectDrawing d(item->itemRect());
+  RectDrawing d(item->tqitemRect());
   item->setSelected(isSelected);
   item->setCurrent(isCurrent);
   item->setShaded(_shading);
@@ -2261,25 +2261,25 @@ void TreeMapWidget::drawItems(TQPainter* p,
 {
     if (DEBUG_DRAWING)
 	kdDebug(90100) << "+drawItems(" << item->path(0).join("/") << ", "
-		  << item->itemRect().x() << "/" << item->itemRect().y()
-		  << "-" << item->itemRect().width() << "x"
-		  << item->itemRect().height() << "), Val " << item->value()
+		  << item->tqitemRect().x() << "/" << item->tqitemRect().y()
+		  << "-" << item->tqitemRect().width() << "x"
+		  << item->tqitemRect().height() << "), Val " << item->value()
 		  << ", Sum " << item->sum() << endl;
 
   drawItem(p, item);
   item->clearFreeRects();
 
-  TQRect origRect = item->itemRect();
+  TQRect origRect = item->tqitemRect();
   int bw = item->borderWidth();
   TQRect r = TQRect(origRect.x()+bw, origRect.y()+bw,
                   origRect.width()-2*bw, origRect.height()-2*bw);
 
-  TreeMapItemList* list = item->children();
+  TreeMapItemList* list = item->tqchildren();
   TreeMapItem* i;
 
   bool stopDrawing = false;
 
-  // only subdivide if there are children
+  // only subdivide if there are tqchildren
   if (!list || list->count()==0)
     stopDrawing = true;
 
@@ -2312,12 +2312,12 @@ void TreeMapWidget::drawItems(TQPainter* p,
 
   if (stopDrawing) {
     if (list) {
-      // invalidate rects
+      // tqinvalidate rects
       for (i=list->first();i;i=list->next())
         i->clearItemRect();
     }
     // tooltip apears on whole item rect
-    item->addFreeRect(item->itemRect());
+    item->addFreeRect(item->tqitemRect());
 
     // if we have space for text...
     if ((r.height() < _fontHeight) || (r.width() < _fontHeight)) return;
@@ -2428,7 +2428,7 @@ void TreeMapWidget::drawItems(TQPainter* p,
       r.setRect(r.x(), r.y()+sr.height(), r.width(), r.height()-sr.height());
     }
 
-    // set selfRect (not occupied by children) for tooltip
+    // set selfRect (not occupied by tqchildren) for tooltip
     item->addFreeRect(sr);
 
     if (0) kdDebug(90100) << "Item " << item->path(0).join("/") << ": SelfR "
@@ -2566,16 +2566,16 @@ void TreeMapWidget::drawItems(TQPainter* p,
       kdDebug(90100) << "-drawItems(" << item->path(0).join("/") << ")" << endl;
 }
 
-// fills area with a pattern if to small to draw children
+// fills area with a pattern if to small to draw tqchildren
 void TreeMapWidget::drawFill(TreeMapItem* i, TQPainter* p, TQRect& r)
 {
-  p->setBrush(Qt::Dense4Pattern);
-  p->setPen(Qt::NoPen);
+  p->setBrush(TQt::Dense4Pattern);
+  p->setPen(TQt::NoPen);
   p->drawRect(r);
   i->addFreeRect(r);
 }
 
-// fills area with a pattern if to small to draw children
+// fills area with a pattern if to small to draw tqchildren
 void TreeMapWidget::drawFill(TreeMapItem* i, TQPainter* p, TQRect& r,
                              TreeMapItemListIterator it, int len, bool goBack)
 {
@@ -2584,8 +2584,8 @@ void TreeMapWidget::drawFill(TreeMapItem* i, TQPainter* p, TQRect& r,
 		<< "-" << r.width() << "x" << r.height()
 		<< ", len " << len << ")" << endl;
 
-  p->setBrush(Qt::Dense4Pattern);
-  p->setPen(Qt::NoPen);
+  p->setBrush(TQt::Dense4Pattern);
+  p->setPen(TQt::NoPen);
   p->drawRect(r);
   i->addFreeRect(r);
 
@@ -2874,10 +2874,10 @@ void TreeMapWidget::addVisualizationItems(TQPopupMenu* popup, int id)
   popup->insertItem(i18n("Border"), bpopup, id+1);
   bpopup->insertItem(i18n("Correct Borders Only"), id+2);
   bpopup->insertSeparator();
-  bpopup->insertItem(i18n("Width %1").arg(0), id+3);
-  bpopup->insertItem(i18n("Width %1").arg(1), id+4);
-  bpopup->insertItem(i18n("Width %1").arg(2), id+5);
-  bpopup->insertItem(i18n("Width %1").arg(3), id+6);
+  bpopup->insertItem(i18n("Width %1").tqarg(0), id+3);
+  bpopup->insertItem(i18n("Width %1").tqarg(1), id+4);
+  bpopup->insertItem(i18n("Width %1").tqarg(2), id+5);
+  bpopup->insertItem(i18n("Width %1").tqarg(3), id+6);
   bpopup->setItemChecked(id+2, skipIncorrectBorder());
   bpopup->setItemChecked(id+3, borderWidth()==0);
   bpopup->setItemChecked(id+4, borderWidth()==1);
@@ -2935,7 +2935,7 @@ void TreeMapWidget::selectionActivated(int id)
   TreeMapItem* i = _menuItem;
   id -= _selectionID;
   while (id>0 && i) {
-    i=i->parent();
+    i=i->tqparent();
     id--;
   }
   if (i)
@@ -2957,18 +2957,18 @@ void TreeMapWidget::addSelectionItems(TQPopupMenu* popup,
     TQString name = i->text(0);
     if (name.isEmpty()) break;
     popup->insertItem(i->text(0), id++);
-    i = i->parent();
+    i = i->tqparent();
   }
 }
 
 void TreeMapWidget::fieldStopActivated(int id)
 {
-  if (id == _fieldStopID) setFieldStop(0, TQString::null);
+  if (id == _fieldStopID) setFieldStop(0, TQString());
   else {
     TreeMapItem* i = _menuItem;
     id -= _fieldStopID+1;
     while (id>0 && i) {
-      i=i->parent();
+      i=i->tqparent();
       id--;
     }
     if (i)
@@ -2984,7 +2984,7 @@ void TreeMapWidget::addFieldStopItems(TQPopupMenu* popup,
   connect(popup, TQT_SIGNAL(activated(int)),
           this, TQT_SLOT(fieldStopActivated(int)));
 
-  popup->insertItem(i18n("No %1 Limit").arg(fieldType(0)), id);
+  popup->insertItem(i18n("No %1 Limit").tqarg(fieldType(0)), id);
   popup->setItemChecked(id, fieldStop(0).isEmpty());
   _menuItem = i;
   bool foundFieldStop = false;
@@ -3000,7 +3000,7 @@ void TreeMapWidget::addFieldStopItems(TQPopupMenu* popup,
         popup->setItemChecked(id, true);
         foundFieldStop = true;
       }
-      i = i->parent();
+      i = i->tqparent();
     }
   }
 
@@ -3043,7 +3043,7 @@ void TreeMapWidget::addAreaStopItems(TQPopupMenu* popup,
     int area = i->width() * i->height();
     popup->insertSeparator();
     popup->insertItem(i18n("Area of '%1' (%2)")
-                       .arg(i->text(0)).arg(area), id+1);
+                       .tqarg(i->text(0)).tqarg(area), id+1);
     if (area == minimalArea()) {
       popup->setItemChecked(id+1, true);
       foundArea = true;
@@ -3069,9 +3069,9 @@ void TreeMapWidget::addAreaStopItems(TQPopupMenu* popup,
     }
 
     popup->insertItem(i18n("Double Area Limit (to %1)")
-                       .arg(minimalArea()*2), id+5);
+                       .tqarg(minimalArea()*2), id+5);
     popup->insertItem(i18n("Halve Area Limit (to %1)")
-                       .arg(minimalArea()/2), id+6);
+                       .tqarg(minimalArea()/2), id+6);
   }
 }
 
@@ -3105,7 +3105,7 @@ void TreeMapWidget::addDepthStopItems(TQPopupMenu* popup,
     int d = i->depth();
     popup->insertSeparator();
     popup->insertItem(i18n("Depth of '%1' (%2)")
-                       .arg(i->text(0)).arg(d), id+1);
+                       .tqarg(i->text(0)).tqarg(d), id+1);
     if (d == maxDrawingDepth()) {
       popup->setItemChecked(id+1, true);
       foundDepth = true;
@@ -3115,14 +3115,14 @@ void TreeMapWidget::addDepthStopItems(TQPopupMenu* popup,
   if (maxDrawingDepth()>1) {
     popup->insertSeparator();
     if (!foundDepth) {
-      popup->insertItem(i18n("Depth %1").arg(maxDrawingDepth()), id+10);
+      popup->insertItem(i18n("Depth %1").tqarg(maxDrawingDepth()), id+10);
       popup->setItemChecked(id+10, true);
     }
 
     popup->insertItem(i18n("Decrement (to %1)")
-                       .arg(maxDrawingDepth()-1), id+2);
+                       .tqarg(maxDrawingDepth()-1), id+2);
     popup->insertItem(i18n("Increment (to %1)")
-                       .arg(maxDrawingDepth()+1), id+3);
+                       .tqarg(maxDrawingDepth()+1), id+3);
   }
 }
 
@@ -3145,13 +3145,13 @@ void TreeMapWidget::saveOptions(KConfigGroup* config, TQString prefix)
   int f, fCount = _attr.size();
   config->writeEntry(prefix+"FieldCount", fCount);
   for (f=0;f<fCount;f++) {
-    config->writeEntry(TQString(prefix+"FieldVisible%1").arg(f),
+    config->writeEntry(TQString(prefix+"FieldVisible%1").tqarg(f),
                        _attr[f].visible);
-    config->writeEntry(TQString(prefix+"FieldForced%1").arg(f),
+    config->writeEntry(TQString(prefix+"FieldForced%1").tqarg(f),
                        _attr[f].forced);
-    config->writeEntry(TQString(prefix+"FieldStop%1").arg(f),
+    config->writeEntry(TQString(prefix+"FieldStop%1").tqarg(f),
                        _attr[f].stop);
-    config->writeEntry(TQString(prefix+"FieldPosition%1").arg(f),
+    config->writeEntry(TQString(prefix+"FieldPosition%1").tqarg(f),
                        fieldPositionString(f));
   }
 }
@@ -3195,18 +3195,18 @@ void TreeMapWidget::restoreOptions(KConfigGroup* config, TQString prefix)
 
   int f;
   for (f=0;f<num;f++) {
-    str = TQString(prefix+"FieldVisible%1").arg(f);
+    str = TQString(prefix+"FieldVisible%1").tqarg(f);
     if (config->hasKey(str))
       setFieldVisible(f, config->readBoolEntry(str));
 
-    str = TQString(prefix+"FieldForced%1").arg(f);
+    str = TQString(prefix+"FieldForced%1").tqarg(f);
     if (config->hasKey(str))
       setFieldForced(f, config->readBoolEntry(str));
 
-    str = config->readEntry(TQString(prefix+"FieldStop%1").arg(f));
+    str = config->readEntry(TQString(prefix+"FieldStop%1").tqarg(f));
     setFieldStop(f, str);
 
-    str = config->readEntry(TQString(prefix+"FieldPosition%1").arg(f));
+    str = config->readEntry(TQString(prefix+"FieldPosition%1").tqarg(f));
     if (!str.isEmpty()) setFieldPosition(f, str);
   }
 }
diff --git a/kcachegrind/kcachegrind/treemap.h b/kcachegrind/kcachegrind/treemap.h
index 289610bb..9c936cbd 100644
--- a/kcachegrind/kcachegrind/treemap.h
+++ b/kcachegrind/kcachegrind/treemap.h
@@ -81,7 +81,7 @@ public:
   virtual int      maxLines(int) const { return 0; }
   virtual int      fieldCount() const { return 0; }
 
-  virtual TQColor   backColor() const { return Qt::white; }
+  virtual TQColor   backColor() const { return TQt::white; }
   virtual const TQFont& font() const = 0;
 
   virtual bool selected() const { return false; }
@@ -222,7 +222,7 @@ typedef TQPtrListIterator<TreeMapItem> TreeMapItemListIterator;
  *
  * If you want more flexibility, reimplement TreeMapItem and
  * override the corresponding methods. For dynamic creation of child
- * items on demand, reimplement children().
+ * items on demand, reimplement tqchildren().
  */
 class TreeMapItem: public StoredDrawParams
 {
@@ -234,20 +234,20 @@ public:
    *              longest side of rectangle left for drawing
    *  Best:       Choose split direction for all subitems of an area
    *              depending on longest side
-   *  HAlternate: Horizontal at top;  alternate direction on depth step
-   *  VAlternate: Vertical at top; alternate direction on depth step
-   *  Horizontal: Always horizontal split direction
-   *  Vertical:   Always vertical split direction
+   *  HAlternate:Qt::Horizontal at top;  alternate direction on depth step
+   *  VAlternate:Qt::Vertical at top; alternate direction on depth step
+   * Qt::Horizontal: Always horizontal split direction
+   * Qt::Vertical:   Always vertical split direction
    */
   enum SplitMode { Bisection, Columns, Rows,
                    AlwaysBest, Best,
                    HAlternate, VAlternate,
                    Horizontal, Vertical };
 
-  TreeMapItem(TreeMapItem* parent = 0, double value = 1.0 );
-  TreeMapItem(TreeMapItem* parent, double value,
-              TQString text1, TQString text2 = TQString::null,
-              TQString text3 = TQString::null, TQString text4 = TQString::null);
+  TreeMapItem(TreeMapItem* tqparent = 0, double value = 1.0 );
+  TreeMapItem(TreeMapItem* tqparent, double value,
+              TQString text1, TQString text2 = TQString(),
+              TQString text3 = TQString(), TQString text4 = TQString());
   virtual ~TreeMapItem();
 
   bool isChildOf(TreeMapItem*);
@@ -257,7 +257,7 @@ public:
   // force a redraw of this item
   void redraw();
 
-  // delete all children
+  // delete all tqchildren
   void clear();
 
   // force new child generation & refresh
@@ -268,9 +268,9 @@ public:
   bool initialized();
 
   /**
-   * Adds an item to a parent.
+   * Adds an item to a tqparent.
    * When no sorting is used, the item is appended (drawn at bottom).
-   * This is only needed if the parent was not already specified in the
+   * This is only needed if the tqparent was not already specified in the
    * construction of the item.
    */
   void addItem(TreeMapItem*);
@@ -289,7 +289,7 @@ public:
   /**
    * Parent Item
    */
-  TreeMapItem* parent() const { return _parent; }
+  TreeMapItem* tqparent() const { return _parent; }
 
   /**
    * Temporary rectangle used for drawing this item the last time.
@@ -297,7 +297,7 @@ public:
    */
   void setItemRect(const TQRect& r) { _rect = r; }
   void clearItemRect();
-  const TQRect& itemRect() const { return _rect; }
+  const TQRect& tqitemRect() const { return _rect; }
   int width() const { return _rect.width(); }
   int height() const { return _rect.height(); }
 
@@ -328,7 +328,7 @@ public:
 
   virtual double sum() const;
   virtual double value() const;
-  // replace "Default" position with setting from TreeMapWidget
+  // tqreplace "Default" position with setting from TreeMapWidget
   virtual Position position(int) const;
   virtual const TQFont& font() const;
   virtual bool isMarked(int) const;
@@ -350,7 +350,7 @@ public:
    * For value() sorting, use <textNo> = -2
    *
    * For fast sorting, set this to -1 before child insertions and call
-   * again after inserting all children.
+   * again after inserting all tqchildren.
    */
   void setSorting(int textNo, bool ascending = true);
 
@@ -358,18 +358,18 @@ public:
    * Resort according to the already set sorting.
    *
    * This has to be done if the sorting base changes (e.g. text or values
-   * change). If this is only true for the children of this item, you can
+   * change). If this is only true for the tqchildren of this item, you can
    * set the recursive parameter to false.
    */
   void resort(bool recursive = true);
 
   virtual SplitMode splitMode() const;
   virtual int rtti() const;
-  // not const as this can create children on demand
-  virtual TreeMapItemList* children();
+  // not const as this can create tqchildren on demand
+  virtual TreeMapItemList* tqchildren();
 
 protected:
-  TreeMapItemList* _children;
+  TreeMapItemList* _tqchildren;
   double _sum, _value;
 
 private:
@@ -379,7 +379,7 @@ private:
   int _sortTextNo;
   bool _sortAscending;
 
-  // temporary layout
+  // temporary tqlayout
   TQRect _rect;
   TQPtrList<TQRect>* _freeRects;
   int _depth;
@@ -396,19 +396,20 @@ private:
  * Class for visualization of a metric of hierarchically
  * nested items as 2D areas.
  */
-class TreeMapWidget: public QWidget
+class TreeMapWidget: public TQWidget
 {
   Q_OBJECT
+  TQ_OBJECT
 
 public:
 
   /**
-   * Same as in QListBox/QListView
+   * Same as in TQListBox/TQListView
    */
   enum SelectionMode { Single, Multi, Extended, NoSelection };
 
   /* The widget becomes owner of the base item */
-  TreeMapWidget(TreeMapItem* base, TQWidget* parent=0, const char* name=0);
+  TreeMapWidget(TreeMapItem* base, TQWidget* tqparent=0, const char* name=0);
   ~TreeMapWidget();
 
   /**
@@ -435,7 +436,7 @@ public:
 
   /**
    * Returns the item possible for selection. this returns the
-   * given item itself or a parent thereof,
+   * given item itself or a tqparent thereof,
    * depending on setting of maxSelectDepth().
    */
   TreeMapItem* possibleSelection(TreeMapItem*) const;
@@ -443,7 +444,7 @@ public:
   /**
    * Selects or unselects an item.
    * In multiselection mode, the constrain that a selected item
-   * has no selected children or parents stays true.
+   * has no selected tqchildren or tqparents stays true.
    */
   void setSelected(TreeMapItem*, bool selected = true);
 
@@ -459,19 +460,19 @@ public:
   void setMarked(int markNo = 1, bool redraw = true);
 
   /**
-   * Clear selection of all selected items which are children of
-   * parent. When parent == 0, clears whole selection
+   * Clear selection of all selected items which are tqchildren of
+   * tqparent. When tqparent == 0, clears whole selection
    * Returns true if selection changed.
    */
-  bool clearSelection(TreeMapItem* parent = 0);
+  bool clearSelection(TreeMapItem* tqparent = 0);
 
   /**
    * Selects or unselects items in a range.
    * This is needed internally for Shift-Click in Extented mode.
    * Range means for a hierarchical widget:
    * - select/unselect i1 and i2 according selected
-   * - search common parent of i1 and i2, and select/unselect the
-   *   range of direct children between but excluding the child
+   * - search common tqparent of i1 and i2, and select/unselect the
+   *   range of direct tqchildren between but excluding the child
    *   leading to i1 and the child leading to i2.
    */
   void setRangeSelection(TreeMapItem* i1,
@@ -531,15 +532,15 @@ public:
   void setVisibleWidth(int width, bool reuseSpace = false);
 
   /**
-   * If a children value() is almost the parents sum(),
+   * If a tqchildren value() is almost the tqparents sum(),
    * it can happen that the border to be drawn for visibilty of
    * nesting relations takes to much space, and the
-   * parent/child size relation can not be mapped to a correct
+   * tqparent/child size relation can not be mapped to a correct
    * area size relation.
    *
    * Either
    * (1) Ignore the incorrect drawing, or
-   * (2) Skip drawing of the parent level alltogether.
+   * (2) Skip drawing of the tqparent level alltogether.
    */
   void setSkipIncorrectBorder(bool enable = true);
   bool skipIncorrectBorder() const { return _skipIncorrectBorder; }
@@ -613,8 +614,8 @@ public:
   /**
    * Save/restore options.
    */
-  void saveOptions(KConfigGroup*, TQString prefix = TQString::null);
-  void restoreOptions(KConfigGroup*, TQString prefix = TQString::null);
+  void saveOptions(KConfigGroup*, TQString prefix = TQString());
+  void restoreOptions(KConfigGroup*, TQString prefix = TQString());
 
   /**
    * These functions populate given popup menus.
@@ -643,7 +644,7 @@ public:
   virtual TQString tipString(TreeMapItem* i) const;
 
   /**
-   * Redraws an item with all children.
+   * Redraws an item with all tqchildren.
    * This takes changed values(), sums(), colors() and text() into account.
    */
   void redraw(TreeMapItem*);
diff --git a/kcachegrind/kcachegrind/utils.h b/kcachegrind/kcachegrind/utils.h
index 7256f054..06052a61 100644
--- a/kcachegrind/kcachegrind/utils.h
+++ b/kcachegrind/kcachegrind/utils.h
@@ -86,7 +86,7 @@ class FixString {
     bool stripInt64(int64&, bool stripSpaces = true);
 
     operator TQString() const
-	{ return TQString::fromLatin1(_str,_len); }
+	{ return TQString::tqfromLatin1(_str,_len); }
 
  private:
     const char* _str;