Remove additional unneeded tq method conversions

(cherry picked from commit 1fc61c6e1d0a2b34f7b1d0de181bb4e6f954a8c2)

82 files changed, 321 insertions, 321 deletions

diff --git a/microbe/btreebase.cpp b/microbe/btreebase.cpp
index b45f983..02d6b6d 100644
--- a/microbe/btreebase.cpp
+++ b/microbe/btreebase.cpp
@@ -155,7 +155,7 @@ void BTreeBase::pruneTree(BTreeNode *root, bool /*conditionalRoot*/)
 	{
 		
 		// since we can't call compileError from in this class, we have a special way of handling it:
-		// Leave the tqchildren as they are, and set childOp to divbyzero
+		// Leave the children as they are, and set childOp to divbyzero
 		if( t.current()->childOp() == Expression::division )
 		{
 			t.current()->setChildOp(Expression::divbyzero);
diff --git a/microbe/btreenode.cpp b/microbe/btreenode.cpp
index 063dce2..27d49cc 100644
--- a/microbe/btreenode.cpp
+++ b/microbe/btreenode.cpp
@@ -38,7 +38,7 @@ BTreeNode::BTreeNode(BTreeNode *p, BTreeNode *l, BTreeNode *r)
 
 BTreeNode::~BTreeNode()
 {
-	// Must not delete tqchildren as might be unlinking!!! deleteChildren();
+	// Must not delete children as might be unlinking!!! deleteChildren();
 }
 
 void BTreeNode::deleteChildren()
diff --git a/microbe/btreenode.h b/microbe/btreenode.h
index ceed185..ea39050 100644
--- a/microbe/btreenode.h
+++ b/microbe/btreenode.h
@@ -46,7 +46,7 @@ class BTreeNode
 		 */
 // 		void printTree();
 		/**
-		 * Recursively delete all tqchildren of a node.
+		 * Recursively delete all children of a node.
 		 */
 		void deleteChildren();
 		/**
diff --git a/microbe/expression.cpp b/microbe/expression.cpp
index cfa2d95..629a4f2 100644
--- a/microbe/expression.cpp
+++ b/microbe/expression.cpp
@@ -462,7 +462,7 @@ void Expression::buildTree( const TQString & unstrippedExpression, BTreeBase *tr
 void Expression::doUnaryOp(Operation op, BTreeNode *node)
 {
 	/* Note that this isn't for unary operations as such,
-	 rather for things that are operations that have no direct tqchildren,
+	 rather for things that are operations that have no direct children,
 	 e.g. portx.n is high, and functionname(args)*/
 	
 	if ( op == pin || op == notpin )
diff --git a/microbe/instruction.cpp b/microbe/instruction.cpp
index 80a63cc..26332c0 100644
--- a/microbe/instruction.cpp
+++ b/microbe/instruction.cpp
@@ -971,14 +971,14 @@ TQString Code::generateCode( PIC14 * pic ) const
 		uchar reg = pic->gprStart();
 		TQStringList::const_iterator end = variables.end();
 		for ( TQStringList::const_iterator it = variables.begin(); it != end; ++it )
-			code += TQString("%1\tequ\t0x%2\n").tqarg( *it ).tqarg( TQString::number( reg++, 16 ) );
+			code += TQString("%1\tequ\t0x%2\n").arg( *it ).arg( TQString::number( reg++, 16 ) );
 		
 		code += "\n";
 	}
 	
 	TQString picString = pic->minimalTypeString();
-	code += TQString("list p=%1\n").tqarg( picString );
-	code += TQString("include \"p%2.inc\"\n\n").tqarg( picString.lower() );
+	code += TQString("list p=%1\n").arg( picString );
+	code += TQString("include \"p%2.inc\"\n\n").arg( picString.lower() );
 	
 	code += "; Config options\n";
 	code += "  __config _WDT_OFF\n\n";
@@ -1347,7 +1347,7 @@ void Instruction::clearLinks()
 //BEGIN Byte-Oriented File Register Operations
 TQString Instr_addwf::code() const
 {
-	return TQString("addwf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("addwf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_addwf::generateLinksAndStates( Code::iterator current )
@@ -1400,7 +1400,7 @@ ProcessorBehaviour Instr_addwf::behaviour() const
 
 TQString Instr_andwf::code() const
 {
-	return TQString("andwf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("andwf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_andwf::generateLinksAndStates( Code::iterator current )
@@ -1434,7 +1434,7 @@ ProcessorBehaviour Instr_andwf::behaviour() const
 
 TQString Instr_clrf::code() const
 {
-	return TQString("clrf\t%1").tqarg( m_file.name() );
+	return TQString("clrf\t%1").arg( m_file.name() );
 }
 
 void Instr_clrf::generateLinksAndStates( Code::iterator current )
@@ -1468,7 +1468,7 @@ ProcessorBehaviour Instr_clrf::behaviour() const
 
 TQString Instr_decf::code() const
 {
-	return TQString("decf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("decf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_decf::generateLinksAndStates( Code::iterator current )
@@ -1496,7 +1496,7 @@ ProcessorBehaviour Instr_decf::behaviour() const
 
 TQString Instr_decfsz::code() const
 {
-	return TQString("decfsz\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("decfsz\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_decfsz::generateLinksAndStates( Code::iterator current )
@@ -1520,7 +1520,7 @@ ProcessorBehaviour Instr_decfsz::behaviour() const
 
 TQString Instr_incf::code() const
 {
-	return TQString("incf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("incf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_incf::generateLinksAndStates( Code::iterator current )
@@ -1550,7 +1550,7 @@ ProcessorBehaviour Instr_incf::behaviour() const
 
 TQString Instr_iorwf::code() const
 {
-	return TQString("iorwf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("iorwf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_iorwf::generateLinksAndStates( Code::iterator current )
@@ -1579,7 +1579,7 @@ ProcessorBehaviour Instr_iorwf::behaviour() const
 
 TQString Instr_movf::code() const
 {
-	return TQString("movf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("movf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_movf::generateLinksAndStates( Code::iterator current )
@@ -1625,7 +1625,7 @@ ProcessorBehaviour Instr_movf::behaviour() const
 
 TQString Instr_movwf::code() const
 {
-	return TQString("movwf\t%1").tqarg( m_file.name() );
+	return TQString("movwf\t%1").arg( m_file.name() );
 }
 
 void Instr_movwf::generateLinksAndStates( Code::iterator current )
@@ -1655,7 +1655,7 @@ ProcessorBehaviour Instr_movwf::behaviour() const
 
 TQString Instr_rlf::code() const
 {
-	return TQString("rlf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("rlf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_rlf::generateLinksAndStates( Code::iterator current )
@@ -1686,7 +1686,7 @@ ProcessorBehaviour Instr_rlf::behaviour() const
 
 TQString Instr_rrf::code() const
 {
-	return TQString("rrf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("rrf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_rrf::generateLinksAndStates( Code::iterator current )
@@ -1716,7 +1716,7 @@ ProcessorBehaviour Instr_rrf::behaviour() const
 
 TQString Instr_subwf::code() const
 {
-	return TQString("subwf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("subwf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_subwf::generateLinksAndStates( Code::iterator current )
@@ -1774,7 +1774,7 @@ ProcessorBehaviour Instr_subwf::behaviour() const
 
 TQString Instr_swapf::code() const
 {
-	return TQString("swapf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("swapf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_swapf::generateLinksAndStates( Code::iterator current )
@@ -1801,7 +1801,7 @@ ProcessorBehaviour Instr_swapf::behaviour() const
 
 TQString Instr_xorwf::code() const
 {
-	return TQString("xorwf\t%1,%2").tqarg( m_file.name() ).tqarg( m_dest );
+	return TQString("xorwf\t%1,%2").arg( m_file.name() ).arg( m_dest );
 }
 
 void Instr_xorwf::generateLinksAndStates( Code::iterator current )
@@ -1833,7 +1833,7 @@ ProcessorBehaviour Instr_xorwf::behaviour() const
 //BEGIN Bit-Oriented File Register Operations
 TQString Instr_bcf::code() const
 {
-	return TQString("bcf\t\t%1,%2").tqarg( m_file.name() ).tqarg( m_bit.name() );
+	return TQString("bcf\t\t%1,%2").arg( m_file.name() ).arg( m_bit.name() );
 }
 
 void Instr_bcf::generateLinksAndStates( Code::iterator current )
@@ -1857,7 +1857,7 @@ ProcessorBehaviour Instr_bcf::behaviour() const
 
 TQString Instr_bsf::code() const
 {
-	return TQString("bsf\t\t%1,%2").tqarg( m_file.name() ).tqarg( m_bit.name() );
+	return TQString("bsf\t\t%1,%2").arg( m_file.name() ).arg( m_bit.name() );
 }
 
 void Instr_bsf::generateLinksAndStates( Code::iterator current )
@@ -1880,7 +1880,7 @@ ProcessorBehaviour Instr_bsf::behaviour() const
 
 TQString Instr_btfsc::code() const
 {
-	return TQString("btfsc\t%1,%2").tqarg( m_file.name() ).tqarg( m_bit.name() );
+	return TQString("btfsc\t%1,%2").arg( m_file.name() ).arg( m_bit.name() );
 }
 
 void Instr_btfsc::generateLinksAndStates( Code::iterator current )
@@ -1907,7 +1907,7 @@ ProcessorBehaviour Instr_btfsc::behaviour() const
 
 TQString Instr_btfss::code() const
 {
-	return TQString("btfss\t%1,%2").tqarg( m_file.name() ).tqarg( m_bit.name() );
+	return TQString("btfss\t%1,%2").arg( m_file.name() ).arg( m_bit.name() );
 }
 
 void Instr_btfss::generateLinksAndStates( Code::iterator current )
@@ -1937,7 +1937,7 @@ ProcessorBehaviour Instr_btfss::behaviour() const
 //BEGIN Literal and Control Operations
 TQString Instr_addlw::code() const
 {
-	return TQString("addlw\t%1").tqarg( m_literal );
+	return TQString("addlw\t%1").arg( m_literal );
 }
 
 void Instr_addlw::generateLinksAndStates( Code::iterator current )
@@ -1964,7 +1964,7 @@ ProcessorBehaviour Instr_addlw::behaviour() const
 
 TQString Instr_andlw::code() const
 {
-	return TQString("andlw\t%1").tqarg( m_literal );
+	return TQString("andlw\t%1").arg( m_literal );
 }
 
 void Instr_andlw::generateLinksAndStates( Code::iterator current )
@@ -1991,7 +1991,7 @@ ProcessorBehaviour Instr_andlw::behaviour() const
 
 TQString Instr_call::code() const
 {
-	return TQString("call\t%1").tqarg( m_label );
+	return TQString("call\t%1").arg( m_label );
 }
 
 void Instr_call::generateLinksAndStates( Code::iterator current )
@@ -2064,7 +2064,7 @@ void Instr_call::linkReturns( Instruction * current, Instruction * returnPoint )
 
 TQString Instr_goto::code() const
 {
-	return TQString("goto\t%1").tqarg( m_label );
+	return TQString("goto\t%1").arg( m_label );
 }
 
 void Instr_goto::generateLinksAndStates( Code::iterator current )
@@ -2085,7 +2085,7 @@ ProcessorBehaviour Instr_goto::behaviour() const
 
 TQString Instr_iorlw::code() const
 {
-	return TQString("iorlw\t%1").tqarg( m_literal );
+	return TQString("iorlw\t%1").arg( m_literal );
 }
 
 void Instr_iorlw::generateLinksAndStates( Code::iterator current )
@@ -2112,7 +2112,7 @@ ProcessorBehaviour Instr_iorlw::behaviour() const
 
 TQString Instr_movlw::code() const
 {	
-	return TQString("movlw\t%1").tqarg( m_literal );
+	return TQString("movlw\t%1").arg( m_literal );
 }
 
 void Instr_movlw::generateLinksAndStates( Code::iterator current )
@@ -2153,7 +2153,7 @@ ProcessorBehaviour Instr_retfie::behaviour() const
 
 TQString Instr_retlw::code() const
 {
-	return TQString("retlw\t%1").tqarg( m_literal );
+	return TQString("retlw\t%1").arg( m_literal );
 }
 
 void Instr_retlw::generateLinksAndStates( Code::iterator current )
@@ -2219,7 +2219,7 @@ ProcessorBehaviour Instr_sleep::behaviour() const
 
 TQString Instr_sublw::code() const
 {
-	return TQString("sublw\t%1").tqarg( m_literal );
+	return TQString("sublw\t%1").arg( m_literal );
 }
 
 void Instr_sublw::generateLinksAndStates( Code::iterator current )
@@ -2264,7 +2264,7 @@ ProcessorBehaviour Instr_sublw::behaviour() const
 
 TQString Instr_xorlw::code() const
 {
-	return TQString("xorlw\t%1").tqarg( m_literal );
+	return TQString("xorlw\t%1").arg( m_literal );
 }
 
 void Instr_xorlw::generateLinksAndStates( Code::iterator current )
diff --git a/microbe/microbe.cpp b/microbe/microbe.cpp
index 3c7dbef..8a01cc1 100644
--- a/microbe/microbe.cpp
+++ b/microbe/microbe.cpp
@@ -56,7 +56,7 @@ Microbe::Microbe()
 	{
 		for ( unsigned col = 0; col < 6; ++col )
 		{
-			m_aliasList[ TQString("Keypad_%1_%2").tqarg(row+1).tqarg(col+1) ] = TQString::number( bv[row][col] );
+			m_aliasList[ TQString("Keypad_%1_%2").arg(row+1).arg(col+1) ] = TQString::number( bv[row][col] );
 		}
 	}
 	
@@ -84,7 +84,7 @@ TQString Microbe::compile( const TQString & url, bool showSource, bool optimize
 	}
 	else
 	{
-		m_errorReport += i18n("Could not open file '%1'\n").tqarg(url);
+		m_errorReport += i18n("Could not open file '%1'\n").arg(url);
 		return 0;
 	}
 	
@@ -216,7 +216,7 @@ void Microbe::compileError( MistakeType type, const TQString & context, const So
 			message = i18n("Unknown statement");
 			break;
 		case InvalidPort:
-			message = i18n("Port '%1' is not supported by target PIC").tqarg(context);
+			message = i18n("Port '%1' is not supported by target PIC").arg(context);
 			break;
 		case UnassignedPin:
 			message = i18n("Pin identifier was not followed by '='");
@@ -225,19 +225,19 @@ void Microbe::compileError( MistakeType type, const TQString & context, const So
 			message = i18n("Pin state can only be 'high' or 'low'");
 			break;
 		case UnassignedPort:
-			message = i18n("Invalid token '%1'. Port identifier should be followed by '='").tqarg(context);
+			message = i18n("Invalid token '%1'. Port identifier should be followed by '='").arg(context);
 			break;
 		case UnexpectedStatementBeforeBracket:
 			message = i18n("Unexpected statement before '{'");
 			break;
 		case MismatchedBrackets:
-			message = i18n("Mismatched brackets in expression '%1'").tqarg(context);
+			message = i18n("Mismatched brackets in expression '%1'").arg(context);
 			break;
 		case InvalidEquals:
 			message = i18n("Invalid '=' found in expression");
 			break;
 		case ReservedKeyword:
-			message = i18n("Reserved keyword '%1' cannot be a variable name.").tqarg(context);
+			message = i18n("Reserved keyword '%1' cannot be a variable name.").arg(context);
 			break;
 		case ConsecutiveOperators:
 			message = i18n("Nothing between operators");
@@ -249,10 +249,10 @@ void Microbe::compileError( MistakeType type, const TQString & context, const So
 			if ( context.isEmpty() )
 				message = i18n("Unknown variable");
 			else
-				message = i18n("Unknown variable '%1'").tqarg(context);
+				message = i18n("Unknown variable '%1'").arg(context);
 			break;
 		case UnopenableInclude:
-			message = i18n("Could not open include file '%1'").tqarg(context);
+			message = i18n("Could not open include file '%1'").arg(context);
 			break;
 		case DivisionByZero:
 			message = i18n("Division by zero");
@@ -267,7 +267,7 @@ void Microbe::compileError( MistakeType type, const TQString & context, const So
 			message = i18n("Delay must be a positive constant value");
 			break;
 		case HighLowExpected:
-			message = i18n("'high' or 'low' expected after pin expression '%1'").tqarg(context);
+			message = i18n("'high' or 'low' expected after pin expression '%1'").arg(context);
 			break;
 		case InvalidComparison:
 			message = i18n("Comparison operator in '%1' is not recognized");
@@ -285,7 +285,7 @@ void Microbe::compileError( MistakeType type, const TQString & context, const So
 			message = i18n("Extra tokens at end of line");
 			break;
 		case FixedStringExpected:
-			message = i18n("Expected '%1'").tqarg(context);
+			message = i18n("Expected '%1'").arg(context);
 			break;
 		case PinListExpected:
 			message = i18n("Pin list expected");
@@ -300,19 +300,19 @@ void Microbe::compileError( MistakeType type, const TQString & context, const So
 			message = i18n("Interrupt already definied");
 			break;
 		case ReadOnlyVariable:
-			message = i18n("Variable '%1' is read only").tqarg(context);
+			message = i18n("Variable '%1' is read only").arg(context);
 			break;
 		case WriteOnlyVariable:
-			message = i18n("Variable '%1' is write only").tqarg(context);
+			message = i18n("Variable '%1' is write only").arg(context);
 			break;
 		case InvalidPinMapSize:
 			message = i18n("Invalid pin list size");
 			break;
 		case VariableRedefined:
-			message = i18n("Variable '%1' is already defined").tqarg(context);
+			message = i18n("Variable '%1' is already defined").arg(context);
 			break;
 		case InvalidVariableName:
-			message = i18n("'%1' is not a valid variable name").tqarg(context);
+			message = i18n("'%1' is not a valid variable name").arg(context);
 			break;
 		case VariableExpected:
 			message = i18n("Variable expected");
@@ -324,10 +324,10 @@ void Microbe::compileError( MistakeType type, const TQString & context, const So
 	
 	
 	m_errorReport += TQString("%1:%2:Error [%3] %4\n")
-			.tqarg( sourceLine.url() )
-			.tqarg( sourceLine.line()+1 )
-			.tqarg( type )
-			.tqarg( message );
+			.arg( sourceLine.url() )
+			.arg( sourceLine.line()+1 )
+			.arg( type )
+			.arg( message );
 }
 
 
@@ -418,7 +418,7 @@ bool Microbe::isInterruptUsed( const TQString & interruptName )
 
 TQString Microbe::dest() const
 {
-	return TQString("__op%1").tqarg(m_dest);
+	return TQString("__op%1").arg(m_dest);
 }
 
 
diff --git a/microbe/microbe.h b/microbe/microbe.h
index c97417a..59d0bb9 100644
--- a/microbe/microbe.h
+++ b/microbe/microbe.h
@@ -156,7 +156,7 @@ class Microbe
 		/**
 		 * This is for generating unique numbers for computer generated labels.
 		 */
-		TQString uniqueLabel() { return TQString("__%1").tqarg(m_uniqueLabel++); }
+		TQString uniqueLabel() { return TQString("__%1").arg(m_uniqueLabel++); }
 		/**
 		 * If alias is an alias for something then it returns that something,
 		 * otherwise it just returns alias (which in that case is not an alias!)
diff --git a/microbe/parser.cpp b/microbe/parser.cpp
index 0e5545d..9505f58 100644
--- a/microbe/parser.cpp
+++ b/microbe/parser.cpp
@@ -212,7 +212,7 @@ Code * Parser::parse( const SourceLineList & lines )
 		OutputFieldMap fieldMap;
 		
 		if ( (*sit).content.line() >= 0 )
-			m_code->append( new Instr_sourceCode( TQString("#MSRC\t%1; %2\t%3").tqarg( (*sit).content.line() + 1 ).tqarg( (*sit).content.url() ).tqarg( (*sit).content.text() ) ));
+			m_code->append( new Instr_sourceCode( TQString("#MSRC\t%1; %2\t%3").arg( (*sit).content.line() + 1 ).arg( (*sit).content.url() ).arg( (*sit).content.text() ) ));
 		bool showBracesInSource = (*sit).hasBracedCode();
 		if ( showBracesInSource )
 			m_code->append(new Instr_sourceCode("{"));
diff --git a/microbe/pic14.cpp b/microbe/pic14.cpp
index c9dcf24..fc92932 100644
--- a/microbe/pic14.cpp
+++ b/microbe/pic14.cpp
@@ -70,7 +70,7 @@ PortPin PIC14::toPortPin( const TQString & portPinString )
 	// In form e.g. RB3
 	if ( portPinString.length() == 3 )
 	{
-		port = TQString("PORT%1").tqarg( portPinString[1].upper() );
+		port = TQString("PORT%1").arg( portPinString[1].upper() );
 		pin = TQString( portPinString[2] ).toInt();
 	}
 	else
@@ -135,7 +135,7 @@ PIC14::Type PIC14::toType( const TQString & _text )
 	if ( text == "16F628" )
 		return P16F628;
 	
-	cerr << TQString("%1 is not a known PIC identifier\n").tqarg(_text);
+	cerr << TQString("%1 is not a known PIC identifier\n").arg(_text);
 	return unknown;
 }
 
@@ -897,7 +897,7 @@ void PIC14::SsevenSegment( const Variable & pinMap )
 	assert( pinMap.type() == Variable::sevenSegmentType );
 	assert( pinMap.portPinList().size() == 7 );
 	
-	TQString subName = TQString("__output_seven_segment_%1").tqarg( pinMap.name() );
+	TQString subName = TQString("__output_seven_segment_%1").arg( pinMap.name() );
 	
 	m_pCode->append( new Instr_call( subName ) );
 	
@@ -967,7 +967,7 @@ void PIC14::SsevenSegment( const Variable & pinMap )
 		if ( !portOutput[port].used )
 			continue;
 		
-		TQString portName = TQString("PORT%1").tqarg( char('A'+port) );
+		TQString portName = TQString("PORT%1").arg( char('A'+port) );
 		
 		// Save the current value of the port pins that we should not be writing to
 		m_pCode->append( new Instr_movf( portName, 0 ), Code::Subroutine );
@@ -977,7 +977,7 @@ void PIC14::SsevenSegment( const Variable & pinMap )
 		if ( overwrittenW )
 			m_pCode->append( new Instr_movf("__i",0), Code::Subroutine );
 		
-		m_pCode->append( new Instr_call( subName + TQString("_lookup_%1").tqarg(port) ), Code::Subroutine );
+		m_pCode->append( new Instr_call( subName + TQString("_lookup_%1").arg(port) ), Code::Subroutine );
 		overwrittenW = true;
 		
 		// Restore the state of the pins which aren't used
@@ -996,7 +996,7 @@ void PIC14::SsevenSegment( const Variable & pinMap )
 		if ( !portOutput[port].used )
 			continue;
 		
-		m_pCode->queueLabel( subName + TQString("_lookup_%1").tqarg(port), Code::LookupTable );
+		m_pCode->queueLabel( subName + TQString("_lookup_%1").arg(port), Code::LookupTable );
 		m_pCode->append( new Instr_andlw(15), Code::LookupTable );
 	
 		// Generate the lookup table
@@ -1020,9 +1020,9 @@ void PIC14::Skeypad( const Variable & pinMap )
 	assert( pinMap.type() == Variable::keypadType );
 	assert( pinMap.portPinList().size() >= 7 ); // 4 rows, at least 3 columns
 	
-	TQString subName = TQString("__wait_read_keypad_%1").tqarg( pinMap.name() );
-	TQString waitName = TQString("__wait_keypad_%1").tqarg( pinMap.name() );
-	TQString readName = TQString("__read_keypad_%1").tqarg( pinMap.name() );
+	TQString subName = TQString("__wait_read_keypad_%1").arg( pinMap.name() );
+	TQString waitName = TQString("__wait_keypad_%1").arg( pinMap.name() );
+	TQString readName = TQString("__read_keypad_%1").arg( pinMap.name() );
 	
 	m_pCode->append( new Instr_call( subName ) );
 	
@@ -1084,7 +1084,7 @@ void PIC14::Skeypad( const Variable & pinMap )
 		{
 			PortPin colPin = pinMap.portPinList()[4+col];
 			m_pCode->append( new Instr_btfsc( colPin.port(), TQString::number( colPin.pin() ) ), Code::Subroutine );
-			m_pCode->append( new Instr_retlw( mb->alias( TQString("Keypad_%1_%2").tqarg(row+1).tqarg(col+1) ).toInt( 0, 0 ) ), Code::Subroutine );
+			m_pCode->append( new Instr_retlw( mb->alias( TQString("Keypad_%1_%2").arg(row+1).arg(col+1) ).toInt( 0, 0 ) ), Code::Subroutine );
 		}
 		
 		// Make the low again
diff --git a/microbe/traverser.cpp b/microbe/traverser.cpp
index eb6a924..e066381 100644
--- a/microbe/traverser.cpp
+++ b/microbe/traverser.cpp
@@ -34,8 +34,8 @@ Traverser::~Traverser()
 BTreeNode * Traverser::start()
 {
 	/* To find the start we will iterate, or possibly recurse
-	down the tree, each time turning down the node that has tqchildren,
-	if they both have no tqchildren we have reached the end and it shouldn't
+	down the tree, each time turning down the node that has children,
+	if they both have no children we have reached the end and it shouldn't
 	really matter which we pick (check this algorithm) */
 	
 	BTreeNode *n = m_root;
diff --git a/src/cnitem.cpp b/src/cnitem.cpp
index 91a7e88..b6d75c9 100644
--- a/src/cnitem.cpp
+++ b/src/cnitem.cpp
@@ -133,8 +133,8 @@ void CNItem::updateNodeLevels()
 		it.data().node->setLevel(l);
 	}
 	
-	const ItemList::iterator end = m_tqchildren.end();
-	for ( ItemList::iterator it = m_tqchildren.begin(); it != end; ++it )
+	const ItemList::iterator end = m_children.end();
+	for ( ItemList::iterator it = m_children.begin(); it != end; ++it )
 	{
 		if ( CNItem *cnItem = dynamic_cast<CNItem*>((Item*)*it) )
 			cnItem->updateNodeLevels();
diff --git a/src/cnitem.h b/src/cnitem.h
index eb8f80a..04fcc62 100644
--- a/src/cnitem.h
+++ b/src/cnitem.h
@@ -165,7 +165,7 @@ protected:
 	 * @param pos is the position that the text occupies relative to the top left corner of the CNItem.
 	 * @param display is the actual text to be displayed.
 	 * @param internal is used to determine the z-level of the text - whether it should be below or above the item
-	 * @param flags Text tqalignment flags - TQt::AlignmentFlags and TQt::TextFlags OR'd together.
+	 * @param flags Text alignment flags - TQt::AlignmentFlags and TQt::TextFlags OR'd together.
 	 */
 	Text* addDisplayText( const TQString &id, const TQRect & pos, const TQString &display, bool internal = true, int flags = TQt::AlignHCenter | TQt::AlignVCenter );
 	void setDisplayText( const TQString &id, const TQString &display );
diff --git a/src/cnitemgroup.h b/src/cnitemgroup.h
index 25dc3ae..18c65e6 100644
--- a/src/cnitemgroup.h
+++ b/src/cnitemgroup.h
@@ -138,13 +138,13 @@ public:
 	/**
 	 * Returns a list of all the Nodes in the group.
 	 * @param excludeParented if false, then nodes that are fully contained
-	 * within item tqchildren will also be returned.
+	 * within item children will also be returned.
 	 */
 	NodeList nodes( bool excludeParented = true ) const;
 	/**
 	 * Returns a list of all the Connectors in the group.
 	 * @param excludeParented if false, then connectors that are fully contained
-	 * within item tqchildren will also be returned.
+	 * within item children will also be returned.
 	 */
 	ConnectorList connectors( bool excludeParented = true ) const;
 	/**
diff --git a/src/docmanager.cpp b/src/docmanager.cpp
index 35b1c5a..7112a6e 100644
--- a/src/docmanager.cpp
+++ b/src/docmanager.cpp
@@ -99,7 +99,7 @@ Document* DocManager::openURL( const KURL &url, ViewArea *viewArea )
 		TQFile file(url.path());
 		if ( file.open(IO_ReadOnly) == false )
 		{
-			KMessageBox::sorry( 0l, i18n("Could not open '%1'").tqarg( url.prettyURL() ) );
+			KMessageBox::sorry( 0l, i18n("Could not open '%1'").arg( url.prettyURL() ) );
 			return 0l;
 		}
 		file.close();
@@ -166,7 +166,7 @@ TQString DocManager::untitledName( int type )
 		case Document::dt_circuit:
 		{
 			if ( m_countCircuit>1 )
-				name = i18n("Untitled (Circuit %1)").tqarg(TQString::number(m_countCircuit));
+				name = i18n("Untitled (Circuit %1)").arg(TQString::number(m_countCircuit));
 			else
 				name = i18n("Untitled (Circuit)");
 			m_countCircuit++;
@@ -175,7 +175,7 @@ TQString DocManager::untitledName( int type )
 		case Document::dt_flowcode:
 		{
 			if ( m_countFlowCode>1 )
-				name = i18n("Untitled (FlowCode %1)").tqarg(TQString::number(m_countFlowCode));
+				name = i18n("Untitled (FlowCode %1)").arg(TQString::number(m_countFlowCode));
 			else
 				name = i18n("Untitled (FlowCode)");
 			m_countFlowCode++;
@@ -184,7 +184,7 @@ TQString DocManager::untitledName( int type )
 		case Document::dt_mechanics:
 		{
 			if ( m_countMechanics>1 )
-				name = i18n("Untitled (Mechanics %1)").tqarg(TQString::number(m_countMechanics));
+				name = i18n("Untitled (Mechanics %1)").arg(TQString::number(m_countMechanics));
 			else
 				name = i18n("Untitled (Mechanics)");
 			m_countMechanics++;
@@ -193,7 +193,7 @@ TQString DocManager::untitledName( int type )
 		default:
 		{
 			if ( m_countOther>1 )
-				name = i18n("Untitled (%1)").tqarg(TQString::number(m_countOther));
+				name = i18n("Untitled (%1)").arg(TQString::number(m_countOther));
 			else
 				name = i18n("Untitled");
 			m_countOther++;
@@ -431,7 +431,7 @@ CircuitDocument *DocManager::openCircuitFile( const KURL &url, ViewArea *viewAre
 	
 	if ( !document->openURL(url) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open Circuit file \"%1\"").tqarg(url.prettyURL()) );
+		KMessageBox::sorry( 0l, i18n("Could not open Circuit file \"%1\"").arg(url.prettyURL()) );
 		document->deleteLater();
 		return 0l;
 	}
@@ -448,7 +448,7 @@ FlowCodeDocument *DocManager::openFlowCodeFile( const KURL &url, ViewArea *viewA
 	
 	if ( !document->openURL(url) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open FlowCode file \"%1\"").tqarg(url.prettyURL()) );
+		KMessageBox::sorry( 0l, i18n("Could not open FlowCode file \"%1\"").arg(url.prettyURL()) );
 		document->deleteLater();
 		return 0l;
 	}
@@ -465,7 +465,7 @@ MechanicsDocument *DocManager::openMechanicsFile( const KURL &url, ViewArea *vie
 	
 	if ( !document->openURL(url) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open Mechanics file \"%1\"").tqarg(url.prettyURL()) );
+		KMessageBox::sorry( 0l, i18n("Could not open Mechanics file \"%1\"").arg(url.prettyURL()) );
 		document->deleteLater();
 		return 0l;
 	}
@@ -486,7 +486,7 @@ TextDocument *DocManager::openTextFile( const KURL &url, ViewArea *viewArea )
 	
 	if ( !document->openURL(url) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open text file \"%1\"").tqarg(url.prettyURL()) );
+		KMessageBox::sorry( 0l, i18n("Could not open text file \"%1\"").arg(url.prettyURL()) );
 		document->deleteLater();
 		return 0l;
 	}
diff --git a/src/document.cpp b/src/document.cpp
index 4cd0e6e..d27ecfc 100644
--- a/src/document.cpp
+++ b/src/document.cpp
@@ -110,7 +110,7 @@ bool Document::getURL( const TQString &types )
 	if ( TQFile::exists( url.path() ) )
 	{
 		int query = KMessageBox::warningYesNo( p_ktechlab,
-											   i18n( "A file named \"%1\" already exists. Are you sure you want to overwrite it?" ).tqarg( url.fileName() ),
+											   i18n( "A file named \"%1\" already exists. Are you sure you want to overwrite it?" ).arg( url.fileName() ),
 											   i18n( "Overwrite File?" ),
 											   i18n( "Overwrite" ),
 											   KStdGuiItem::cancel() );
@@ -135,7 +135,7 @@ bool Document::fileClose()
 			p_ktechlab->tabWidget()->setCurrentPage( p_ktechlab->tabWidget()->indexOf(viewContainer) );
 		
 		int choice = KMessageBox::warningYesNoCancel( p_ktechlab,
-				i18n("The document \'%1\' has been modified.\nDo you want to save it?").tqarg(name),
+				i18n("The document \'%1\' has been modified.\nDo you want to save it?").arg(name),
 				i18n("Save Document?"),
 				i18n("Save"),
 				i18n("Discard") );
diff --git a/src/electronics/component.cpp b/src/electronics/component.cpp
index c05993d..4c8b797 100644
--- a/src/electronics/component.cpp
+++ b/src/electronics/component.cpp
@@ -482,7 +482,7 @@ void Component::initDIPSymbol( const TQStringList & pins, int _width )
 }
 
 
-// 	TQString createNode( double _x, double _y, int tqshape, int orientation, const TQString &name, int type, bool isInput = true );
+// 	TQString createNode( double _x, double _y, int shape, int orientation, const TQString &name, int type, bool isInput = true );
 
 void Component::init1PinLeft( int h1 )
 {
diff --git a/src/electronics/component.h b/src/electronics/component.h
index 8a30315..a2b215f 100644
--- a/src/electronics/component.h
+++ b/src/electronics/component.h
@@ -244,7 +244,7 @@ class Component : public CNItem
 	
 	protected:
 		/**
-		 * Convenience functionality provided for components in a port tqshape
+		 * Convenience functionality provided for components in a port shape
 		 * (such as ParallelPortComponent and SerialPortComponent).
 		 */
 		void drawPortShape( TQPainter & p );
@@ -263,7 +263,7 @@ class Component : public CNItem
 		void initDIP( const TQStringList & pins );
 		/**
 		 * Creates the DIP symbol:
-		 * @li constructs rectangular tqshape
+		 * @li constructs rectangular shape
 		 * @li puts on text labels in appropriate positions from TQStringList pins
 		 */
 		void initDIPSymbol( const TQStringList & pins, int width );
diff --git a/src/electronics/components/bussplitter.cpp b/src/electronics/components/bussplitter.cpp
index 85619a4..6eb58e8 100644
--- a/src/electronics/components/bussplitter.cpp
+++ b/src/electronics/components/bussplitter.cpp
@@ -107,7 +107,7 @@ void BusSplitter::dataChanged()
 
 TQString BusSplitter::outNodeID( unsigned node ) const
 {
-	return TQString("out_%1").tqarg(TQString::number(node));
+	return TQString("out_%1").arg(TQString::number(node));
 }
 
 
diff --git a/src/electronics/components/eckeypad.cpp b/src/electronics/components/eckeypad.cpp
index c92a562..4a0ec7b 100644
--- a/src/electronics/components/eckeypad.cpp
+++ b/src/electronics/components/eckeypad.cpp
@@ -66,7 +66,7 @@ ECKeyPad::ECKeyPad( ICNDocument *icnDocument, bool newItem, const char *id )
 	v->setValue(5e-3);
 	
 	for ( int i = 0; i < 4; i++ )
-		createPin( 0, -32+i*24, 0, TQString("row_%1").tqarg(TQString::number(i)) );
+		createPin( 0, -32+i*24, 0, TQString("row_%1").arg(TQString::number(i)) );
 	
 	m_numCols = 0;
 }
@@ -79,7 +79,7 @@ ECKeyPad::~ECKeyPad()
 
 TQString ECKeyPad::buttonID( int row, int col ) const
 {
-	return TQString("b_%1_%2").tqarg(TQString::number(row)).tqarg(TQString::number(col));
+	return TQString("b_%1_%2").arg(TQString::number(row)).arg(TQString::number(col));
 }
 
 
diff --git a/src/electronics/components/magnitudecomparator.cpp b/src/electronics/components/magnitudecomparator.cpp
index 3e1f8f9..bae9b12 100644
--- a/src/electronics/components/magnitudecomparator.cpp
+++ b/src/electronics/components/magnitudecomparator.cpp
@@ -119,9 +119,9 @@ void MagnitudeComparator::initPins()
 	for ( int i = 0; i < space; i++ )
 		leftPins << "";
 	for ( int i = 0; i < newABLogicCount; i++ )
-		leftPins << TQString("A%1").tqarg( TQString::number(i) );
+		leftPins << TQString("A%1").arg( TQString::number(i) );
 	for ( int i = 0; i < newABLogicCount; i++ )
-		leftPins << TQString("B%1").tqarg( TQString::number(i) );
+		leftPins << TQString("B%1").arg( TQString::number(i) );
 	for ( int i = 0; i < space; i++ )
 		leftPins << "";
 	
diff --git a/src/electronics/components/matrixdisplay.cpp b/src/electronics/components/matrixdisplay.cpp
index c2a271d..4ba3dc6 100644
--- a/src/electronics/components/matrixdisplay.cpp
+++ b/src/electronics/components/matrixdisplay.cpp
@@ -223,11 +223,11 @@ void MatrixDisplay::initPins( unsigned numRows, unsigned numCols )
 
 TQString MatrixDisplay::colPinID( int col ) const
 {
-	return TQString("col_%1").tqarg(TQString::number(col));
+	return TQString("col_%1").arg(TQString::number(col));
 }
 TQString MatrixDisplay::rowPinID( int row ) const
 {
-	return TQString("row_%1").tqarg(TQString::number(row));
+	return TQString("row_%1").arg(TQString::number(row));
 }
 
 
diff --git a/src/electronics/components/parallelportcomponent.cpp b/src/electronics/components/parallelportcomponent.cpp
index 22f1584..6126c1e 100644
--- a/src/electronics/components/parallelportcomponent.cpp
+++ b/src/electronics/components/parallelportcomponent.cpp
@@ -87,7 +87,7 @@ ParallelPortComponent::ParallelPortComponent( ICNDocument *icnDocument, bool new
 	//BEGIN Data register
 	for ( int i = 0; i < 8; ++i )
 	{
-		TQString id = TQString("D%1").tqarg(i);
+		TQString id = TQString("D%1").arg(i);
 		TQString name = id;
 		
 		pin = createPin( -40, -80 + 16*i, 0, id );
@@ -167,7 +167,7 @@ ParallelPortComponent::ParallelPortComponent( ICNDocument *icnDocument, bool new
 	// And make the rest of the pins ground
 	for ( int i = 0; i < 8; ++i )
 	{
-		pin = createPin( 40, -24 + i*16, 180, TQString("GND%1").tqarg( i ) );
+		pin = createPin( 40, -24 + i*16, 180, TQString("GND%1").arg( i ) );
 		pin->pin()->setGroundType( Pin::gt_always );
 	}
 #endif
@@ -200,7 +200,7 @@ void ParallelPortComponent::initPort( const TQString & port )
 	
 	if ( ! m_pParallelPort->openPort( port ) )
 	{
-		p_itemDocument->canvas()->setMessage( i18n("Could not open port %1").tqarg( port ) );
+		p_itemDocument->canvas()->setMessage( i18n("Could not open port %1").arg( port ) );
 		return;
 	}
 }
diff --git a/src/electronics/components/piccomponent.cpp b/src/electronics/components/piccomponent.cpp
index b1d39bc..00a32c3 100644
--- a/src/electronics/components/piccomponent.cpp
+++ b/src/electronics/components/piccomponent.cpp
@@ -159,14 +159,14 @@ void PICComponent::initPIC( bool forceReload )
 		case GpsimProcessor::DoesntExist:
 			if ( newProgram == _def_PICComponent_fileName && !newProgram.isEmpty() )
 				break;
-			KMessageBox::sorry( 0l, i18n("The file \"%1\" does not exist.").tqarg( newProgram ) );
+			KMessageBox::sorry( 0l, i18n("The file \"%1\" does not exist.").arg( newProgram ) );
 			m_picFile = TQString();
 			break;
 			
 		case GpsimProcessor::IncorrectType:
 			if ( newProgram == _def_PICComponent_fileName && !newProgram.isEmpty() )
 				break;
-			KMessageBox::sorry( 0L, i18n("\"%1\" is not a valid PIC program.\nThe file must exist, and the extension should be \".cod\", \".asm\", \".flowcode\", \".basic\", \".microbe\" or \".c\".\n\".hex\" is allowed, provided that there is a corresponding \".cod\" file.").tqarg(newProgram) );
+			KMessageBox::sorry( 0L, i18n("\"%1\" is not a valid PIC program.\nThe file must exist, and the extension should be \".cod\", \".asm\", \".flowcode\", \".basic\", \".microbe\" or \".c\".\n\".hex\" is allowed, provided that there is a corresponding \".cod\" file.").arg(newProgram) );
 			m_picFile = TQString();
 			break;
 			
diff --git a/src/electronics/components/ram.cpp b/src/electronics/components/ram.cpp
index a8b259e..d0ac2b1 100644
--- a/src/electronics/components/ram.cpp
+++ b/src/electronics/components/ram.cpp
@@ -128,13 +128,13 @@ void RAM::initPins()
 	TQStringList leftPins; // Pins on left of IC
 	leftPins << "CS" << "OE" << "WE";
 	for ( int i = 0; i < newAddressSize; ++i )
-		leftPins << TQString("A%1").tqarg( TQString::number(i) );
+		leftPins << TQString("A%1").arg( TQString::number(i) );
 	
 	TQStringList rightPins; // Pins on right of IC
 	for ( unsigned i = newWordSize; i > 0; --i )
-		rightPins << TQString("DI%1").tqarg( TQString::number(i-1) );
+		rightPins << TQString("DI%1").arg( TQString::number(i-1) );
 	for ( unsigned i = newWordSize; i > 0; --i )
-		rightPins << TQString("DO%1").tqarg( TQString::number(i-1) );
+		rightPins << TQString("DO%1").arg( TQString::number(i-1) );
 	
 	// Make pin lists of consistent sizes
 	for ( unsigned i = leftPins.size(); i < rightPins.size(); ++i )
@@ -177,11 +177,11 @@ void RAM::initPins()
 		
 		for ( int i = oldWordSize; i < newWordSize; ++i )
 		{
-			node = ecNodeWithID( TQString("DI%1").tqarg( TQString::number(i) ) );
+			node = ecNodeWithID( TQString("DI%1").arg( TQString::number(i) ) );
 			m_dataIn.insert( i, createLogicIn(node) );
 			m_dataIn[i]->setCallback( this, (CallbackPtr)(&RAM::inStateChanged) ); 
 			
-			node = ecNodeWithID( TQString("DO%1").tqarg( TQString::number(i) ) );
+			node = ecNodeWithID( TQString("DO%1").arg( TQString::number(i) ) );
 			m_dataOut.insert( i, createLogicOut(node, false) );
 		}
 	}
@@ -189,12 +189,12 @@ void RAM::initPins()
 	{
 		for ( int i = newWordSize; i < oldWordSize; ++i )
 		{
-			TQString id = TQString("DO%1").tqarg( TQString::number(i) );
+			TQString id = TQString("DO%1").arg( TQString::number(i) );
 			removeDisplayText(id);
 			removeElement( m_dataIn[i], false );
 			removeNode(id);
 			
-			id = TQString("DI%1").tqarg( TQString::number(i) );
+			id = TQString("DI%1").arg( TQString::number(i) );
 			removeDisplayText(id);
 			removeElement( m_dataOut[i], false );
 			removeNode(id);
@@ -210,7 +210,7 @@ void RAM::initPins()
 		
 		for ( int i = oldAddressSize; i < newAddressSize; ++i )
 		{
-			node = ecNodeWithID( TQString("A%1").tqarg( TQString::number(i) ) );
+			node = ecNodeWithID( TQString("A%1").arg( TQString::number(i) ) );
 			m_address.insert( i, createLogicIn(node) );
 			m_address[i]->setCallback( this, (CallbackPtr)(&RAM::inStateChanged) );
 		}
@@ -219,7 +219,7 @@ void RAM::initPins()
 	{
 		for ( int i = newAddressSize; i < oldAddressSize; ++i )
 		{
-			TQString id = TQString("A%1").tqarg( TQString::number(i) );
+			TQString id = TQString("A%1").arg( TQString::number(i) );
 			removeDisplayText(id);
 			removeElement( m_address[i], false );
 			removeNode(id);
diff --git a/src/electronics/components/rotoswitch.cpp b/src/electronics/components/rotoswitch.cpp
index ac7f1a0..738942b 100644
--- a/src/electronics/components/rotoswitch.cpp
+++ b/src/electronics/components/rotoswitch.cpp
@@ -245,7 +245,7 @@ void ECRotoSwitch::setUpSwitches()
     for(int i=0; i<m_numPositions; i++)
     {
         SwitchPosition& sp = m_positions[i];
-        TQString pinName = TQString("pin_%1").tqarg(i);
+        TQString pinName = TQString("pin_%1").arg(i);
         removeNode(pinName);
         removeSwitch(sp.posSwitch);
     }
@@ -284,7 +284,7 @@ void ECRotoSwitch::setUpSwitches()
         // kdDebug() << contactX <<", "<< contactY <<endl;
         
         
-        sp.node = createPin(contactX,-contactY,sp.pinAngle,TQString("pin_%1").tqarg(i));
+        sp.node = createPin(contactX,-contactY,sp.pinAngle,TQString("pin_%1").arg(i));
         sp.posSwitch = createSwitch(m_inNode, sp.node, true);
         sp.isMomentary = false;//(map[i] == 'M');
         m_positions.push_back(sp);
diff --git a/src/electronics/components/serialportcomponent.cpp b/src/electronics/components/serialportcomponent.cpp
index 6e6bfed..4e3a221 100644
--- a/src/electronics/components/serialportcomponent.cpp
+++ b/src/electronics/components/serialportcomponent.cpp
@@ -197,7 +197,7 @@ void SerialPortComponent::initPort( const TQString & port, unsigned baudRate )
 	
 	if ( ! m_pSerialPort->openPort( port, baudRate ) )
 	{
-		p_itemDocument->canvas()->setMessage( i18n("Could not open port %1").tqarg( port ) );
+		p_itemDocument->canvas()->setMessage( i18n("Could not open port %1").arg( port ) );
 		return;
 	}
 }
diff --git a/src/electronics/gpsimprocessor.cpp b/src/electronics/gpsimprocessor.cpp
index 8e2ccfa..76fc20b 100644
--- a/src/electronics/gpsimprocessor.cpp
+++ b/src/electronics/gpsimprocessor.cpp
@@ -161,26 +161,26 @@ void GpsimProcessor::displayCodLoadStatus( )
 		case CodSuccess:
 			break;
 		case CodFileNotFound:
-			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" was not found.").tqarg(m_symbolFile), i18n("File Not Found") );
+			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" was not found.").arg(m_symbolFile), i18n("File Not Found") );
 			break;
 		case CodUnrecognizedProcessor:
-			KMessageBox::sorry( 0l, i18n("The processor for cod file \"%1\" is unrecognized.").tqarg(m_symbolFile), i18n("Unrecognized Processor") );
+			KMessageBox::sorry( 0l, i18n("The processor for cod file \"%1\" is unrecognized.").arg(m_symbolFile), i18n("Unrecognized Processor") );
 			break;
 		case CodFileNameTooLong:
-			KMessageBox::sorry( 0l, i18n("The file name \"%1\" is too long.").tqarg(m_symbolFile), i18n("Filename Too Long") );
+			KMessageBox::sorry( 0l, i18n("The file name \"%1\" is too long.").arg(m_symbolFile), i18n("Filename Too Long") );
 			break;
 		case CodLstNotFound:
-			KMessageBox::sorry( 0l, i18n("The lst file associated with the cod file \"%1\" was not found.").tqarg(m_symbolFile), i18n("LST File Not Found") );
+			KMessageBox::sorry( 0l, i18n("The lst file associated with the cod file \"%1\" was not found.").arg(m_symbolFile), i18n("LST File Not Found") );
 			break;
 		case CodBadFile:
-			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" is bad.").tqarg(m_symbolFile), i18n("Bad File") );
+			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" is bad.").arg(m_symbolFile), i18n("Bad File") );
 			break;
 		case CodFileUnreadable:
-			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" could not be read from.").tqarg(m_symbolFile), i18n("Unreadable File") );
+			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" could not be read from.").arg(m_symbolFile), i18n("Unreadable File") );
 			break;
 		case CodFailure:
 		case CodUnknown:
-			KMessageBox::sorry( 0l, i18n("An error occured with the cod file \"%1\".").tqarg(m_symbolFile), i18n("Error") );
+			KMessageBox::sorry( 0l, i18n("An error occured with the cod file \"%1\".").arg(m_symbolFile), i18n("Error") );
 			break;
 	}
 }
diff --git a/src/electronics/port.cpp b/src/electronics/port.cpp
index 124fe1d..8a92402 100644
--- a/src/electronics/port.cpp
+++ b/src/electronics/port.cpp
@@ -207,28 +207,28 @@ TQStringList SerialPort::ports( unsigned probeResult )
 	
 	for ( int i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/ttyS%1").tqarg(i);
+		TQString dev = TQString("/dev/ttyS%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
 	
 	for ( unsigned i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/tts/%1").tqarg(i);
+		TQString dev = TQString("/dev/tts/%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
 	
 	for ( unsigned i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/ttyUSB%1").tqarg(i);
+		TQString dev = TQString("/dev/ttyUSB%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
 	
 	for ( unsigned i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/usb/tts/%1").tqarg(i);
+		TQString dev = TQString("/dev/usb/tts/%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
@@ -453,14 +453,14 @@ TQStringList ParallelPort::ports( unsigned probeResult )
 	
 	for ( unsigned i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/parport%1").tqarg(i);
+		TQString dev = TQString("/dev/parport%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
 	
 	for ( unsigned i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/parports/%1").tqarg(i);
+		TQString dev = TQString("/dev/parports/%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
diff --git a/src/flowcontainer.cpp b/src/flowcontainer.cpp
index d9291d6..22c2db8 100644
--- a/src/flowcontainer.cpp
+++ b/src/flowcontainer.cpp
@@ -374,8 +374,8 @@ void FlowContainer::updateContainedVisibility()
 	if (m_ext_out)
 		m_ext_out->setVisible( isVisible() );
 	
-	const ItemList::iterator cEnd = m_tqchildren.end();
-	for ( ItemList::iterator it = m_tqchildren.begin(); it != cEnd; ++it )
+	const ItemList::iterator cEnd = m_children.end();
+	for ( ItemList::iterator it = m_children.begin(); it != cEnd; ++it )
 	{
 		if (*it)
 			(*it)->setVisible( isVisible() && b_expanded );
@@ -384,7 +384,7 @@ void FlowContainer::updateContainedVisibility()
 	m_rectangularOverlay->setVisible( isVisible() && b_expanded );
 	
 	NodeGroupList hidableNodeGroups;
-	p_icnDocument->getTranslatable( tqchildren(true) += GuardedItem(this), 0, 0, &hidableNodeGroups );
+	p_icnDocument->getTranslatable( children(true) += GuardedItem(this), 0, 0, &hidableNodeGroups );
 	
 	NodeGroupList::iterator hngEnd = hidableNodeGroups.end();
 	for ( NodeGroupList::iterator it = hidableNodeGroups.begin(); it != hngEnd; ++it )
diff --git a/src/flowparts/callsub.cpp b/src/flowparts/callsub.cpp
index 09687e2..2b2d30b 100644
--- a/src/flowparts/callsub.cpp
+++ b/src/flowparts/callsub.cpp
@@ -51,7 +51,7 @@ CallSub::~CallSub()
 
 void CallSub::dataChanged()
 {
-	setCaption( i18n("Call %1").tqarg(dataString("sub")) );
+	setCaption( i18n("Call %1").arg(dataString("sub")) );
 }
 
 void CallSub::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/count.cpp b/src/flowparts/count.cpp
index 2357fb8..e4bbdc3 100644
--- a/src/flowparts/count.cpp
+++ b/src/flowparts/count.cpp
@@ -58,7 +58,7 @@ Count::~Count()
 void Count::dataChanged()
 {
 	double count = dataDouble("1-length");
-	setCaption( i18n("Count %1 for %2 sec").tqarg(dataString("0-trigger")).tqarg(TQString::number( count / getMultiplier(count), 'g', 3 ) + getNumberMag(count)) );
+	setCaption( i18n("Count %1 for %2 sec").arg(dataString("0-trigger")).arg(TQString::number( count / getMultiplier(count), 'g', 3 ) + getNumberMag(count)) );
 }
 
 void Count::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/delay.cpp b/src/flowparts/delay.cpp
index f31a0e9..ae85595 100644
--- a/src/flowparts/delay.cpp
+++ b/src/flowparts/delay.cpp
@@ -53,7 +53,7 @@ Delay::~Delay()
 void Delay::dataChanged()
 {
 	double delay = dataDouble("delay_length");
-	setCaption( i18n("Delay for %1 sec").tqarg(TQString::number( delay / getMultiplier(delay), 'g', 3 )+getNumberMag(delay)) );
+	setCaption( i18n("Delay for %1 sec").arg(TQString::number( delay / getMultiplier(delay), 'g', 3 )+getNumberMag(delay)) );
 }
 
 void Delay::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/embed.cpp b/src/flowparts/embed.cpp
index f6bb3b2..7e5f3a3 100644
--- a/src/flowparts/embed.cpp
+++ b/src/flowparts/embed.cpp
@@ -59,7 +59,7 @@ Embed::~Embed()
 void Embed::dataChanged()
 {
 	const TQString sample = dataString("code").left(10).replace("\n"," ");
-	setCaption( i18n("%1: %2...").tqarg(dataString("type")).tqarg(sample) );
+	setCaption( i18n("%1: %2...").arg(dataString("type")).arg(sample) );
 }
 
 
diff --git a/src/flowparts/flowpart.cpp b/src/flowparts/flowpart.cpp
index 1ec4a6e..d19ce45 100644
--- a/src/flowparts/flowpart.cpp
+++ b/src/flowparts/flowpart.cpp
@@ -186,7 +186,7 @@ void FlowPart::initSymbol( FlowPart::FlowSymbol symbol, int width )
 		
 		case FlowPart::ps_io:
 		{
-			// define parallelogram tqshape
+			// define parallelogram shape
 			TQPointArray pa(4);
 			pa[0] = TQPoint( -(width-10)/2, -16 );
 			pa[1] = TQPoint( width/2, -16 );
@@ -292,7 +292,7 @@ void FlowPart::drawShape( TQPainter &p )
 		
 		case FlowPart::ps_decision:
 		{
-			// TODO Make the tqshape nice and pretty with rounded corners
+			// TODO Make the shape nice and pretty with rounded corners
 			CNItem::drawShape(p);
 			break;
 		}
diff --git a/src/flowparts/flowpart.h b/src/flowparts/flowpart.h
index afa20c8..9cd2553 100644
--- a/src/flowparts/flowpart.h
+++ b/src/flowparts/flowpart.h
@@ -42,8 +42,8 @@ public:
 		ps_call, // Call - Rectangular box with double vertical lines at either end
 		ps_io, // I/O - Slanter rectangular box
 		ps_round, // Start/End - Rounded rectangular box
-		ps_decision, // Decision - Diamond tqshape
-		ps_other // Custom tqshape, which is ignored by FlowPart
+		ps_decision, // Decision - Diamond shape
+		ps_other // Custom shape, which is ignored by FlowPart
 	};
 	FlowPart( ICNDocument *icnDocument, bool newItem, const TQString &id );
 	virtual ~FlowPart();
@@ -167,7 +167,7 @@ protected:
 	 */
 	void createAltOutput();
 	/**
-	 * Initialises a symbol, by calling setItemPoints with the tqshape
+	 * Initialises a symbol, by calling setItemPoints with the shape
 	 */
 	void initSymbol( FlowPart::FlowSymbol symbol, int width = 48 );
 	
diff --git a/src/flowparts/inputbutton.cpp b/src/flowparts/inputbutton.cpp
index a140a2a..d7c2a98 100644
--- a/src/flowparts/inputbutton.cpp
+++ b/src/flowparts/inputbutton.cpp
@@ -59,7 +59,7 @@ InputButton::~InputButton()
 
 void InputButton::dataChanged()
 {
-	setCaption( i18n("Continue on %1 %2").tqarg(dataString("0-trigger")).tqarg(dataString("1-pin")) );
+	setCaption( i18n("Continue on %1 %2").arg(dataString("0-trigger")).arg(dataString("1-pin")) );
 }
 
 
diff --git a/src/flowparts/interrupt.cpp b/src/flowparts/interrupt.cpp
index 14a783f..9325c33 100644
--- a/src/flowparts/interrupt.cpp
+++ b/src/flowparts/interrupt.cpp
@@ -55,7 +55,7 @@ Interrupt::~Interrupt()
 
 void Interrupt::dataChanged()
 {
-	setCaption( i18n("Interrupt %1").tqarg(dataString("interrupt")) );
+	setCaption( i18n("Interrupt %1").arg(dataString("interrupt")) );
 }
 
 void Interrupt::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/keypad.cpp b/src/flowparts/keypad.cpp
index 8e49e29..47e6f30 100644
--- a/src/flowparts/keypad.cpp
+++ b/src/flowparts/keypad.cpp
@@ -55,12 +55,12 @@ Keypad::~Keypad()
 
 void Keypad::dataChanged()
 {
-	setCaption( i18n("Read %1 to %2").tqarg( dataString( "keypad" ) ).tqarg( dataString( "variable" ) ) );
+	setCaption( i18n("Read %1 to %2").arg( dataString( "keypad" ) ).arg( dataString( "variable" ) ) );
 }
 
 void Keypad::generateMicrobe( FlowCode *code )
 {
-	code->addCode( TQString("%1 = %2").tqarg( dataString("variable") ).tqarg( dataString("keypad") ) );
+	code->addCode( TQString("%1 = %2").arg( dataString("variable") ).arg( dataString("keypad") ) );
 	code->addCodeBranch( outputPart("stdoutput") );
 }
 
diff --git a/src/flowparts/pinmapping.cpp b/src/flowparts/pinmapping.cpp
index 289cbc4..5b9675d 100644
--- a/src/flowparts/pinmapping.cpp
+++ b/src/flowparts/pinmapping.cpp
@@ -186,10 +186,10 @@ void PinMapDocument::init( const PinMapping & pinMapping, MicroInfo * microInfo
 	{
 		TQStringList::const_iterator it = pins.begin();
 		for ( unsigned row = 0; (row < 4) && (it != end); ++row, ++it )
-			createConnector( m_pKeypad->childNode( TQString("row_%1").tqarg( row ) ), m_pPicComponent->childNode( *it ) );
+			createConnector( m_pKeypad->childNode( TQString("row_%1").arg( row ) ), m_pPicComponent->childNode( *it ) );
 		
 		for ( unsigned col = 0; (col < keypadCols) && (it != end); ++col, ++it )
-			createConnector( m_pKeypad->childNode( TQString("col_%1").tqarg( col ) ), m_pPicComponent->childNode( *it ) );
+			createConnector( m_pKeypad->childNode( TQString("col_%1").arg( col ) ), m_pPicComponent->childNode( *it ) );
 	}
 	
 	clearHistory(); // Don't allow undoing of initial creation of stuff
@@ -255,17 +255,17 @@ PinMapping PinMapDocument::pinMapping() const
 			
 		case PinMapping::Keypad_4x3:
 			for ( unsigned i = 0; i < 4; ++i )
-				attachedIDs << TQString("row_%1").tqarg(i);
+				attachedIDs << TQString("row_%1").arg(i);
 			for ( unsigned i = 0; i < 3; ++i )
-				attachedIDs << TQString("col_%1").tqarg(i);
+				attachedIDs << TQString("col_%1").arg(i);
 			attached = m_pKeypad;
 			break;
 			
 		case PinMapping::Keypad_4x4:
 			for ( unsigned i = 0; i < 4; ++i )
-				attachedIDs << TQString("row_%1").tqarg(i);
+				attachedIDs << TQString("row_%1").arg(i);
 			for ( unsigned i = 0; i < 4; ++i )
-				attachedIDs << TQString("col_%1").tqarg(i);
+				attachedIDs << TQString("col_%1").arg(i);
 			attached = m_pKeypad;
 			break;
 			
diff --git a/src/flowparts/pulse.cpp b/src/flowparts/pulse.cpp
index 86e2239..77f9dd0 100644
--- a/src/flowparts/pulse.cpp
+++ b/src/flowparts/pulse.cpp
@@ -68,7 +68,7 @@ Pulse::~Pulse()
 void Pulse::dataChanged()
 {
 	double pulse = dataDouble("0-duration");
-	setCaption( i18n("Pulse %1 for %2 sec").tqarg(dataString("3-pin")).tqarg(TQString::number( pulse / getMultiplier(pulse), 'f', 1 ) + getNumberMag(pulse)) );
+	setCaption( i18n("Pulse %1 for %2 sec").arg(dataString("3-pin")).arg(TQString::number( pulse / getMultiplier(pulse), 'f', 1 ) + getNumberMag(pulse)) );
 }
 
 void Pulse::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/readport.cpp b/src/flowparts/readport.cpp
index 45623be..4385c58 100644
--- a/src/flowparts/readport.cpp
+++ b/src/flowparts/readport.cpp
@@ -58,7 +58,7 @@ ReadPort::~ReadPort()
 
 void ReadPort::dataChanged()
 {
-	setCaption( i18n("Read %1 to %2").tqarg(dataString("0-port")).tqarg(dataString("1-var")) );
+	setCaption( i18n("Read %1 to %2").arg(dataString("0-port")).arg(dataString("1-var")) );
 }
 
 void ReadPort::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/repeat.cpp b/src/flowparts/repeat.cpp
index 53529ac..3dda0ae 100644
--- a/src/flowparts/repeat.cpp
+++ b/src/flowparts/repeat.cpp
@@ -62,7 +62,7 @@ Repeat::~Repeat()
 
 void Repeat::dataChanged()
 {
-	setCaption( i18n("repeat until %1 %2 %3").tqarg(dataString("0var1")).tqarg(dataString("1op")).tqarg(dataString("2var2")) );
+	setCaption( i18n("repeat until %1 %2 %3").arg(dataString("0var1")).arg(dataString("1op")).arg(dataString("2var2")) );
 }
 
 void Repeat::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/setpin.cpp b/src/flowparts/setpin.cpp
index 81c29ca..be826da 100644
--- a/src/flowparts/setpin.cpp
+++ b/src/flowparts/setpin.cpp
@@ -59,7 +59,7 @@ SetPin::~SetPin()
 
 void SetPin::dataChanged()
 {
-	setCaption( i18n("Set %1 %2").tqarg(dataString("pin")).tqarg(dataString("state")) );
+	setCaption( i18n("Set %1 %2").arg(dataString("pin")).arg(dataString("state")) );
 }
 
 void SetPin::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/sevenseg.cpp b/src/flowparts/sevenseg.cpp
index 1f85e19..90a4e7e 100644
--- a/src/flowparts/sevenseg.cpp
+++ b/src/flowparts/sevenseg.cpp
@@ -59,13 +59,13 @@ SevenSeg::~SevenSeg()
 
 void SevenSeg::dataChanged()
 {
-	setCaption( i18n("Display %1 on %2").tqarg( dataString("expression") ).tqarg( dataString("sevenseg") ) );
+	setCaption( i18n("Display %1 on %2").arg( dataString("expression") ).arg( dataString("sevenseg") ) );
 }
 
 
 void SevenSeg::generateMicrobe( FlowCode *code )
 {
-	code->addCode( TQString("%1 = %2").tqarg( dataString("sevenseg") ).tqarg( dataString("expression") ) );
+	code->addCode( TQString("%1 = %2").arg( dataString("sevenseg") ).arg( dataString("expression") ) );
 	code->addCodeBranch( outputPart("stdoutput") );
 }
 
diff --git a/src/flowparts/while.cpp b/src/flowparts/while.cpp
index ddcf981..be2189d 100644
--- a/src/flowparts/while.cpp
+++ b/src/flowparts/while.cpp
@@ -62,7 +62,7 @@ While::~While()
 
 void While::dataChanged()
 {
-	setCaption( i18n("while %1 %2 %3").tqarg(dataString("0var1")).tqarg(dataString("1op")).tqarg(dataString("2var2")) );
+	setCaption( i18n("while %1 %2 %3").arg(dataString("0var1")).arg(dataString("1op")).arg(dataString("2var2")) );
 }
 
 void While::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/writeport.cpp b/src/flowparts/writeport.cpp
index 312ea01..9816f69 100644
--- a/src/flowparts/writeport.cpp
+++ b/src/flowparts/writeport.cpp
@@ -59,7 +59,7 @@ WritePort::~WritePort()
 
 void WritePort::dataChanged()
 {
-	setCaption(  i18n("Write %1 to %2").tqarg(dataString("0-var")).tqarg(dataString("1-port")) );
+	setCaption(  i18n("Write %1 to %2").arg(dataString("0-var")).arg(dataString("1-port")) );
 }
 
 
diff --git a/src/gui/generaloptionswidget.ui b/src/gui/generaloptionswidget.ui
index 201a567..08c1de2 100644
--- a/src/gui/generaloptionswidget.ui
+++ b/src/gui/generaloptionswidget.ui
@@ -217,7 +217,7 @@
                     <property name="scaledContents">
                         <bool>false</bool>
                     </property>
-                    <property name="tqalignment">
+                    <property name="alignment">
                         <set>WordBreak|AlignVCenter</set>
                     </property>
                 </widget>
diff --git a/src/gui/itemselector.cpp b/src/gui/itemselector.cpp
index 539bc40..89f5bb2 100644
--- a/src/gui/itemselector.cpp
+++ b/src/gui/itemselector.cpp
@@ -163,7 +163,7 @@ void ItemSelector::slotContextMenuRequested( TQListViewItem* item, const TQPoint
 	}
 	
 	TQPopupMenu *menu = new TQPopupMenu(this);
-	menu->insertItem( i18n("Remove %1").tqarg(item->text(0)), this, TQT_SLOT(slotRemoveSelectedItem()), TQt::Key_Delete );
+	menu->insertItem( i18n("Remove %1").arg(item->text(0)), this, TQT_SLOT(slotRemoveSelectedItem()), TQt::Key_Delete );
 	menu->popup(pos);
 }
 
@@ -177,7 +177,7 @@ void ItemSelector::slotRemoveSelectedItem()
 	emit itemRemoved( item->key( 0, 0 ) );
 	ILVItem *parent = dynamic_cast<ILVItem*>(item->TQListViewItem::parent());
 	delete item;
-	// Get rid of the category as well if it has no tqchildren
+	// Get rid of the category as well if it has no children
 	if ( parent && !parent->firstChild() )
 	{
 		m_categories.remove(parent->text(0));
diff --git a/src/gui/logicwidget.ui b/src/gui/logicwidget.ui
index 99ef045..e57feab 100644
--- a/src/gui/logicwidget.ui
+++ b/src/gui/logicwidget.ui
@@ -239,7 +239,7 @@
 
 These values will apply to all components, apart from the PIC, whose pins' impedances depend on the pin in use.</string>
             </property>
-            <property name="tqalignment">
+            <property name="alignment">
                 <set>WordBreak|AlignVCenter</set>
             </property>
         </widget>
diff --git a/src/gui/logview.cpp b/src/gui/logview.cpp
index 574d967..2da75a2 100644
--- a/src/gui/logview.cpp
+++ b/src/gui/logview.cpp
@@ -49,23 +49,23 @@ void LogView::addOutput( TQString text, OutputType outputType, MessageInfo messa
 	switch(outputType)
 	{
 		case LogView::ot_important:
-			append( TQString("<font color=\"#000000\"><b>%1</b></font>").tqarg(text) );
+			append( TQString("<font color=\"#000000\"><b>%1</b></font>").arg(text) );
 			break;
 			
 		case LogView::ot_info:
-			append( TQString("<font color=\"#000000\"><i>%1</i></font>").tqarg(text) );
+			append( TQString("<font color=\"#000000\"><i>%1</i></font>").arg(text) );
 			break;
 			
 		case LogView::ot_message:
-			append( TQString("<font color=\"#000000\">%1</font>").tqarg(text) );
+			append( TQString("<font color=\"#000000\">%1</font>").arg(text) );
 			break;
 			
 		case LogView::ot_warning:
-			append( TQString("<font color=\"#666666\">%1</font>").tqarg(text) );
+			append( TQString("<font color=\"#666666\">%1</font>").arg(text) );
 			break;
 			
 		case LogView::ot_error:
-			append( TQString("<font color=\"#800000\">%1</font>").tqarg(text) );
+			append( TQString("<font color=\"#800000\">%1</font>").arg(text) );
 			break;
 	}
 	
diff --git a/src/gui/microsettingsdlg.cpp b/src/gui/microsettingsdlg.cpp
index 55ef185..318c3ea 100644
--- a/src/gui/microsettingsdlg.cpp
+++ b/src/gui/microsettingsdlg.cpp
@@ -376,7 +376,7 @@ void MicroSettingsDlg::savePort( int row )
 	
 	if ( !typeOk )
 	{
-// 		KMessageBox::sorry( this, i18n("Unregnised Port Type: %1").tqarg(typeText) );
+// 		KMessageBox::sorry( this, i18n("Unregnised Port Type: %1").arg(typeText) );
 		return;
 	}
 	
@@ -389,7 +389,7 @@ void MicroSettingsDlg::savePort( int row )
 	
 	if ( !stateOk )
 	{
-// 		KMessageBox::sorry( this, i18n("Unregnised Port State: %1").tqarg(stateText) );
+// 		KMessageBox::sorry( this, i18n("Unregnised Port State: %1").arg(stateText) );
 		return;
 	}
 	
@@ -411,7 +411,7 @@ void MicroSettingsDlg::saveVariable( int row )
 
 	if (!ok)
 	{
-		KMessageBox::sorry( this, i18n("Invalid variable value: %1").tqarg(valueText) );
+		KMessageBox::sorry( this, i18n("Invalid variable value: %1").arg(valueText) );
 		return;
 	}
 	
diff --git a/src/gui/newfilewidget.ui b/src/gui/newfilewidget.ui
index 94df077..4f0b4dc 100644
--- a/src/gui/newfilewidget.ui
+++ b/src/gui/newfilewidget.ui
@@ -59,7 +59,7 @@ Creates a new circuit, with drag and drop editor. Real time simulation of the ci
             <property name="text">
                 <string>File Type:</string>
             </property>
-            <property name="tqalignment">
+            <property name="alignment">
                 <set>AlignVCenter</set>
             </property>
         </widget>
diff --git a/src/gui/oscilloscopeview.cpp b/src/gui/oscilloscopeview.cpp
index f74a822..e42af21 100644
--- a/src/gui/oscilloscopeview.cpp
+++ b/src/gui/oscilloscopeview.cpp
@@ -77,7 +77,7 @@ void OscilloscopeView::updateView()
 void OscilloscopeView::updateViewTimeout()
 {
 	b_needRedraw = true;
-	tqrepaint(false);
+	repaint(false);
 	updateTimeLabel();
 }
 
@@ -130,7 +130,7 @@ void OscilloscopeView::mousePressEvent( TQMouseEvent *event )
 			for ( uint i=0; i<5; ++i )
 			{
 				const int num = fps[i];
-				fpsMenu.insertItem( i18n("%1 fps").tqarg(num), num );
+				fpsMenu.insertItem( i18n("%1 fps").arg(num), num );
 				fpsMenu.setItemChecked( num, num == m_fps );
 			}
 	
diff --git a/src/gui/oscilloscopeview.h b/src/gui/oscilloscopeview.h
index b4e6a10..533c92e 100644
--- a/src/gui/oscilloscopeview.h
+++ b/src/gui/oscilloscopeview.h
@@ -33,7 +33,7 @@ class OscilloscopeView : public TQFrame
 		
 	public slots:
 		/**
-		 * Sets the needRedraw flag to true, and then class tqrepaint
+		 * Sets the needRedraw flag to true, and then class repaint
 		 */
 		void updateView();
 		void slotSetFrameRate( int fps );
diff --git a/src/gui/oscilloscopewidget.ui b/src/gui/oscilloscopewidget.ui
index 199b070..d422136 100644
--- a/src/gui/oscilloscopewidget.ui
+++ b/src/gui/oscilloscopewidget.ui
@@ -111,7 +111,7 @@
                     <property name="text">
                         <string>Zoom</string>
                     </property>
-                    <property name="tqalignment">
+                    <property name="alignment">
                         <set>AlignCenter</set>
                     </property>
                 </widget>
@@ -164,7 +164,7 @@
                     <property name="text">
                         <string></string>
                     </property>
-                    <property name="tqalignment">
+                    <property name="alignment">
                         <set>AlignCenter</set>
                     </property>
                 </widget>
diff --git a/src/gui/probepositioner.cpp b/src/gui/probepositioner.cpp
index 481612c..25f7119 100644
--- a/src/gui/probepositioner.cpp
+++ b/src/gui/probepositioner.cpp
@@ -41,7 +41,7 @@ ProbePositioner::~ProbePositioner()
 void ProbePositioner::forceRepaint()
 {
 	b_needRedraw = true;
-	tqrepaint(false);
+	repaint(false);
 }
 
 
diff --git a/src/gui/propertieslistview.cpp b/src/gui/propertieslistview.cpp
index a620621..e647997 100644
--- a/src/gui/propertieslistview.cpp
+++ b/src/gui/propertieslistview.cpp
@@ -271,7 +271,7 @@ void PropertiesListView::headerSizeChanged(int section, int /*oldSize*/, int new
 	
 	// Resize the editor to the new column width
 	// and move it to the right place.
-	TQRect rect = m_editor->tqgeometry();
+	TQRect rect = m_editor->geometry();
 	rect.setWidth(newSize);
 	rect.setX( columnWidth(0) );
 	m_editor->setGeometry(rect);
diff --git a/src/gui/settingsdlg.cpp b/src/gui/settingsdlg.cpp
index 72a7a07..3fd5a28 100644
--- a/src/gui/settingsdlg.cpp
+++ b/src/gui/settingsdlg.cpp
@@ -104,19 +104,19 @@ void SettingsDlg::slotUpdateRefreshRateLabel( int sliderValue )
 	switch(sliderValue)
 	{
 		case 0:
-			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Lowest (%1 FPS)").tqarg(number) );
+			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Lowest (%1 FPS)").arg(number) );
 			break;
 		case 1:
-			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Low (%1 FPS)").tqarg(number) );
+			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Low (%1 FPS)").arg(number) );
 			break;
 		case 2:
-			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Medium (%1 FPS)").tqarg(number) );
+			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Medium (%1 FPS)").arg(number) );
 			break;
 		case 3:
-			m_generalOptionsWidget->refreshRateLabel->setText( i18n("High (%1 FPS)").tqarg(number) );
+			m_generalOptionsWidget->refreshRateLabel->setText( i18n("High (%1 FPS)").arg(number) );
 			break;
 		case 4:
-			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Highest (%1 FPS)").tqarg(number) );
+			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Highest (%1 FPS)").arg(number) );
 			break;
 		default:
 			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Unknown value") );
@@ -141,9 +141,9 @@ void SettingsDlg::slotUpdatePicProgrammerDescription()
 	
 	TQString programLocation = KStandardDirs::findExe( executable );
 	if ( programLocation.isNull() )
-		description.prepend( i18n("<b>%1</b> cannot be found.<br>").tqarg( executable ) );
+		description.prepend( i18n("<b>%1</b> cannot be found.<br>").arg( executable ) );
 	else
-		description.prepend( i18n("<b>%1</b> found: %2<br>").tqarg( executable ).tqarg(programLocation) );
+		description.prepend( i18n("<b>%1</b> found: %2<br>").arg( executable ).arg(programLocation) );
 	
 	m_picProgrammerConfigWidget->m_pProgrammerDescription->setText( description );
 	m_picProgrammerConfigWidget->removeButton->setEnabled( customProgrammer );
@@ -193,7 +193,7 @@ void SettingsDlg::slotRemoveProgrammerConfig()
 	
 	TQString program = combo->currentText();
 	
-	KMessageBox::ButtonCode confirm = (KMessageBox::ButtonCode)KMessageBox::warningContinueCancel( this, i18n("Remove programmer configuration \"%1\"?").tqarg(program), i18n("Remove \"%1\"").tqarg(program), i18n("Remove") );
+	KMessageBox::ButtonCode confirm = (KMessageBox::ButtonCode)KMessageBox::warningContinueCancel( this, i18n("Remove programmer configuration \"%1\"?").arg(program), i18n("Remove \"%1\"").arg(program), i18n("Remove") );
 	if ( confirm == KMessageBox::Cancel )
 		return;
 	
diff --git a/src/item.cpp b/src/item.cpp
index 884ee17..2a59719 100644
--- a/src/item.cpp
+++ b/src/item.cpp
@@ -381,22 +381,22 @@ int Item::level() const
 }
 
 
-ItemList Item::tqchildren( bool includeGrandChildren ) const
+ItemList Item::children( bool includeGrandChildren ) const
 {
 	if (!includeGrandChildren)
-		return m_tqchildren;
+		return m_children;
 	
-	ItemList tqchildren = m_tqchildren;
-	ItemList::const_iterator end = m_tqchildren.end();
-	for ( ItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	ItemList children = m_children;
+	ItemList::const_iterator end = m_children.end();
+	for ( ItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if (!*it)
 			continue;
 		
-		tqchildren += (*it)->tqchildren(true);
+		children += (*it)->children(true);
 	}
 	
-	return tqchildren;
+	return children;
 }
 
 
@@ -417,7 +417,7 @@ void Item::addChild( Item *child )
 		return;
 	}
 	
-	m_tqchildren.append(child);
+	m_children.append(child);
 	connect( child, TQT_SIGNAL(removed(Item* )), this, TQT_SLOT(removeChild(Item* )) );
 	
 	child->setParentItem(this);
@@ -428,10 +428,10 @@ void Item::addChild( Item *child )
 
 void Item::removeChild( Item *child )
 {
-	if ( !child || !m_tqchildren.contains(child) )
+	if ( !child || !m_children.contains(child) )
 		return;
 	
-	m_tqchildren.remove(child);
+	m_children.remove(child);
 	disconnect( child, TQT_SIGNAL(removed(Item* )), this, TQT_SLOT(removeChild(Item* )) );
 	
 	childRemoved(child);
@@ -441,8 +441,8 @@ void Item::removeChild( Item *child )
 
 bool Item::contains( Item *item, bool direct ) const
 {
-	const ItemList::const_iterator end = m_tqchildren.end();
-	for ( ItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	const ItemList::const_iterator end = m_children.end();
+	for ( ItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if ( (Item*)*it == item || ( !direct && (*it)->contains( item, false ) ) )
 			return true;
@@ -468,8 +468,8 @@ void Item::updateZ( int baseZ )
 	
 	setZ(z);
 	
-	const ItemList::const_iterator end = m_tqchildren.end();
-	for ( ItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	const ItemList::const_iterator end = m_children.end();
+	for ( ItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if (*it)
 			(*it)->updateZ(baseZ+1);
diff --git a/src/item.h b/src/item.h
index af438f7..56cf426 100644
--- a/src/item.h
+++ b/src/item.h
@@ -130,7 +130,7 @@ public:
 	bool isRaised() const { return m_bIsRaised; }
 	/**
 	 * Sets this item to the given baseZ level, and calls this function for the
-	 * tqchildren with baseZ incremented by one. Reinherit this function to set
+	 * children with baseZ incremented by one. Reinherit this function to set
 	 * the Z of attached stuff (such as nodes).
 	 */
 	virtual void updateZ( int baseZ );
@@ -143,12 +143,12 @@ public:
 	 */
 	void addChild( Item *child );
 	/**
-	 * Returns the list of tqchildren.
+	 * Returns the list of children.
 	 * @param if includeGrandChildren is true then this list will also contain
-	 * the tqchildren's tqchildren, and so on recursively, instead of just the
-	 * immediate tqchildren.
+	 * the children's children, and so on recursively, instead of just the
+	 * immediate children.
 	 */
-	ItemList tqchildren( bool includeGrandChildren = false ) const;
+	ItemList children( bool includeGrandChildren = false ) const;
 	/**
 	 * Returns whether we have the given child as either a direct child, or as
 	 * either a direct or indirect child
@@ -259,17 +259,17 @@ protected slots:
 	
 protected:
 	/**
-	 * Reinherit this function if you want to do anything with tqchildren. Called
+	 * Reinherit this function if you want to do anything with children. Called
 	 * after the parent is changed, with the old parent and the new parent.
 	 */
 	virtual void reparented( Item */*oldParent*/, Item */*newParent*/ ) {};
 	/**
-	 * Reinherit this function if you want to do anything with tqchildren. Called
+	 * Reinherit this function if you want to do anything with children. Called
 	 * after a child has been added.
 	 */
 	virtual void childAdded( Item * ) {};
 	/**
-	 * Reinherit this function if you want to do anything with tqchildren. Called
+	 * Reinherit this function if you want to do anything with children. Called
 	 * after a child has been removed.
 	 */
 	virtual void childRemoved( Item * ) {};
@@ -290,7 +290,7 @@ protected:
 	TQString m_name, m_desc; // Name and description
 	TQString m_type;
 	GuardedItem p_parentItem; // If attached to a parent item
-	ItemList m_tqchildren;
+	ItemList m_children;
 	TQGuardedPtr<ItemDocument> p_itemDocument;
 	TQPointArray m_itemPoints; // The unorientated and unsized item points
 	
diff --git a/src/itemdocument.cpp b/src/itemdocument.cpp
index 7aded9b..ec20d43 100644
--- a/src/itemdocument.cpp
+++ b/src/itemdocument.cpp
@@ -820,7 +820,7 @@ void ItemDocument::exportToImage()
 	
 	if ( TQFile::exists( url.path() ) )
 	{
-		int query = KMessageBox::warningYesNo( p_ktechlab, i18n( "A file named \"%1\" already exists. " "Are you sure you want to overwrite it?" ).tqarg( url.fileName() ), i18n( "Overwrite File?" ), i18n( "Overwrite" ), KStdGuiItem::cancel() );
+		int query = KMessageBox::warningYesNo( p_ktechlab, i18n( "A file named \"%1\" already exists. " "Are you sure you want to overwrite it?" ).arg( url.fileName() ), i18n( "Overwrite File?" ), i18n( "Overwrite" ), KStdGuiItem::cancel() );
 		if ( query == KMessageBox::No ) return;
 	}
 	
@@ -924,7 +924,7 @@ void ItemDocument::exportToImage()
 			saveResult = dynamic_cast<TQPixmap*>(outputImage)->save( url.path(), type );
 	}
 	
-	//if(saveResult == true)	KMessageBox::information( this, i18n("Sucessfully exported to \"%1\"").tqarg( url.filename() ), i18n("Image Export") );
+	//if(saveResult == true)	KMessageBox::information( this, i18n("Sucessfully exported to \"%1\"").arg( url.filename() ), i18n("Image Export") );
 	//else KMessageBox::information( this, i18n("Export failed"), i18n("Image Export") );
 	
 	if ( type == "SVG" )
@@ -1170,7 +1170,7 @@ void CanvasTip::display( const TQPoint &pos )
 	{
 		TQString text;
 		for ( unsigned i = 0; i < num; i++ )
-			text += TQString(" %1: %2\n").tqarg( TQString::number(i) ).tqarg( displayText(i) );
+			text += TQString(" %1: %2\n").arg( TQString::number(i) ).arg( displayText(i) );
 		setText(text);
 	}
 }
@@ -1182,10 +1182,10 @@ TQString CanvasTip::displayText( unsigned num ) const
 		return TQString();
 	
 	return TQString(" %1%2V  %3%4A ")
-			.tqarg( TQString::number( m_v[num] / CNItem::getMultiplier(m_v[num]), 'g', 3 ) )
-			.tqarg( CNItem::getNumberMag( m_v[num] ) )
-			.tqarg( TQString::number( m_i[num] / CNItem::getMultiplier(m_i[num]), 'g', 3 ) )
-			.tqarg( CNItem::getNumberMag( m_i[num] ) );
+			.arg( TQString::number( m_v[num] / CNItem::getMultiplier(m_v[num]), 'g', 3 ) )
+			.arg( CNItem::getNumberMag( m_v[num] ) )
+			.arg( TQString::number( m_i[num] / CNItem::getMultiplier(m_i[num]), 'g', 3 ) )
+			.arg( CNItem::getNumberMag( m_i[num] ) );
 }
 
 
diff --git a/src/itemdocumentdata.cpp b/src/itemdocumentdata.cpp
index f9085b8..61271f0 100644
--- a/src/itemdocumentdata.cpp
+++ b/src/itemdocumentdata.cpp
@@ -110,7 +110,7 @@ bool ItemDocumentData::loadData( const KURL &url )
 	TQFile file(target);
 	if ( !file.open( IO_ReadOnly ) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open %1 for reading").tqarg(target) );
+		KMessageBox::sorry( 0l, i18n("Could not open %1 for reading").arg(target) );
 		return false;
 	}
 	
@@ -132,7 +132,7 @@ bool ItemDocumentData::fromXML( const TQString &xml )
 	TQString errorMessage;
 	if ( !doc.setContent( xml, &errorMessage ) )
 	{
-		KMessageBox::sorry( 0l, i18n("Couldn't parse xml:\n%1").tqarg(errorMessage) );
+		KMessageBox::sorry( 0l, i18n("Couldn't parse xml:\n%1").arg(errorMessage) );
 		return false;
 	}
 	
@@ -180,7 +180,7 @@ bool ItemDocumentData::saveData( const KURL &url )
 		TQFile file( url.path() );
 		if ( !file.open(IO_WriteOnly) )
 		{
-			KMessageBox::sorry( 0l, i18n("Could not open '%1' for writing. Check that you have write permissions").tqarg(url.path()), i18n("Saving File") );
+			KMessageBox::sorry( 0l, i18n("Could not open '%1' for writing. Check that you have write permissions").arg(url.path()), i18n("Saving File") );
 			return false;
 		}
 		
@@ -1001,7 +1001,7 @@ void ItemDocumentData::mergeWithDocument( ItemDocument *itemDocument, bool selec
 			if (item)
 			{
 				//HACK We move the item now before restoreFromItemData is called later, in case it is to be parented
-				//(as we don't want to move tqchildren)...
+				//(as we don't want to move children)...
 				item->move( it.data().x, it.data().y );
 			}
 		}
diff --git a/src/itemgroup.cpp b/src/itemgroup.cpp
index ee6816c..c1ab4da 100644
--- a/src/itemgroup.cpp
+++ b/src/itemgroup.cpp
@@ -52,22 +52,22 @@ ItemList ItemGroup::items( bool excludeParentedItems ) const
 	do
 	{
 		oldSize = items.size();
-		ItemList tqchildren;
+		ItemList children;
 		
 		ItemList::iterator end = parents.end();
 		for ( ItemList::iterator it = parents.begin(); it != end; ++it )
-			tqchildren += (*it)->tqchildren();
+			children += (*it)->children();
 		
-		end = tqchildren.end();
-		for ( ItemList::iterator it = tqchildren.begin(); it != end; ++it )
+		end = children.end();
+		for ( ItemList::iterator it = children.begin(); it != end; ++it )
 		{
-			if ( tqchildren.contains(*it) > 1 )
+			if ( children.contains(*it) > 1 )
 				*it = 0l;
 		}
-		tqchildren.remove((Item*)0l);
+		children.remove((Item*)0l);
 		
-		items += tqchildren;
-		parents = tqchildren;
+		items += children;
+		parents = children;
 	}
 	while ( oldSize != items.size() );
 	
diff --git a/src/itemlibrary.cpp b/src/itemlibrary.cpp
index 4d955d2..720c5c7 100644
--- a/src/itemlibrary.cpp
+++ b/src/itemlibrary.cpp
@@ -381,7 +381,7 @@ TQImage ItemLibrary::itemImage( Item *item, const uint maxSize )
 	p.setPen( item->pen() );
 	p.setBrush( item->brush() );
 	
-	// Now draw the tqshape :-)
+	// Now draw the shape :-)
 	const bool sel = item->isSelected();
 	if (sel)
 	{
diff --git a/src/katemdi.cpp b/src/katemdi.cpp
index 5378396..5f62d95 100644
--- a/src/katemdi.cpp
+++ b/src/katemdi.cpp
@@ -478,7 +478,7 @@ void Sidebar::restoreSession (KConfig *config)
   {
     ToolView *tv = m_toolviews[firstWrong];
 
-    unsigned int pos = config->readUnsignedNumEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").tqarg(tv->id), firstWrong);
+    unsigned int pos = config->readUnsignedNumEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").arg(tv->id), firstWrong);
 
     if (pos != firstWrong)
       break;
@@ -493,7 +493,7 @@ void Sidebar::restoreSession (KConfig *config)
     {
       TmpToolViewSorter s;
       s.tv = m_toolviews[i];
-      s.pos = config->readUnsignedNumEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").tqarg(m_toolviews[i]->id), i);
+      s.pos = config->readUnsignedNumEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").arg(m_toolviews[i]->id), i);
       toSort.push_back (s);
     }
 
@@ -536,7 +536,7 @@ void Sidebar::restoreSession (KConfig *config)
   updateLastSize ();
 
   // restore the own splitter sizes
-  TQValueList<int> s = config->readIntListEntry (TQString ("Kate-MDI-Sidebar-%1-Splitter").tqarg(sidebarPosition()));
+  TQValueList<int> s = config->readIntListEntry (TQString ("Kate-MDI-Sidebar-%1-Splitter").arg(sidebarPosition()));
   m_ownSplit->setSizes (s);
 
   // show only correct toolviews, remember persistent values ;)
@@ -545,8 +545,8 @@ void Sidebar::restoreSession (KConfig *config)
   {
     ToolView *tv = m_toolviews[i];
 
-    tv->persistent = config->readBoolEntry (TQString ("Kate-MDI-ToolView-%1-Persistent").tqarg(tv->id), false);
-    tv->setVisible (config->readBoolEntry (TQString ("Kate-MDI-ToolView-%1-Visible").tqarg(tv->id), false));
+    tv->persistent = config->readBoolEntry (TQString ("Kate-MDI-ToolView-%1-Persistent").arg(tv->id), false);
+    tv->setVisible (config->readBoolEntry (TQString ("Kate-MDI-ToolView-%1-Visible").arg(tv->id), false));
 
     if (!anyVis)
       anyVis = tv->visible();
@@ -569,17 +569,17 @@ void Sidebar::saveSession (KConfig *config)
 {
   // store the own splitter sizes
   TQValueList<int> s = m_ownSplit->sizes();
-  config->writeEntry (TQString ("Kate-MDI-Sidebar-%1-Splitter").tqarg(sidebarPosition()), s);
+  config->writeEntry (TQString ("Kate-MDI-Sidebar-%1-Splitter").arg(sidebarPosition()), s);
 
   // store the data about all toolviews in this sidebar ;)
   for ( unsigned int i=0; i < m_toolviews.size(); ++i )
   {
     ToolView *tv = m_toolviews[i];
 
-	config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Position").tqarg(tv->id), tv->sidebar()->sidebarPosition());
-    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").tqarg(tv->id), i);
-    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Visible").tqarg(tv->id), tv->visible());
-    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Persistent").tqarg(tv->id), tv->persistent);
+	config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Position").arg(tv->id), tv->sidebar()->sidebarPosition());
+    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").arg(tv->id), i);
+    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Visible").arg(tv->id), tv->visible());
+    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Persistent").arg(tv->id), tv->persistent);
   }
 }
 
@@ -651,7 +651,7 @@ ToolView *MainWindow::createToolView (const TQString &identifier, KMultiTabBar::
   if (m_restoreConfig && m_restoreConfig->hasGroup (m_restoreGroup))
   {
     m_restoreConfig->setGroup (m_restoreGroup);
-    pos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").tqarg(identifier), pos);
+    pos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").arg(identifier), pos);
   }
 
   ToolView *v  = m_sidebars[pos]->addWidget (icon, text, 0);
@@ -710,7 +710,7 @@ bool MainWindow::moveToolView (ToolView *widget, KMultiTabBar::KMultiTabBarPosit
   if (m_restoreConfig && m_restoreConfig->hasGroup (m_restoreGroup))
   {
     m_restoreConfig->setGroup (m_restoreGroup);
-    pos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").tqarg(widget->id), pos);
+    pos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").arg(widget->id), pos);
   }
 
   m_sidebars[pos]->addWidget (widget->icon, widget->text, widget);
@@ -803,7 +803,7 @@ void MainWindow::finishRestore ()
     m_restoreConfig->setGroup (m_restoreGroup);
     for ( unsigned int i=0; i < m_toolviews.size(); ++i )
     {
-		KMultiTabBar::KMultiTabBarPosition newPos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").tqarg(m_toolviews[i]->id), m_toolviews[i]->sidebar()->sidebarPosition());
+		KMultiTabBar::KMultiTabBarPosition newPos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").arg(m_toolviews[i]->id), m_toolviews[i]->sidebar()->sidebarPosition());
 
 		if (m_toolviews[i]->sidebar()->sidebarPosition() != newPos)
       {
diff --git a/src/ktechlab.cpp b/src/ktechlab.cpp
index 2a2c249..c8c188e 100644
--- a/src/ktechlab.cpp
+++ b/src/ktechlab.cpp
@@ -293,9 +293,9 @@ void KTechlab::overlayToolBarScreenshot()
 	// 128 is a sanity check (widget can do strange things when being destroyed)
 	
 	if ( toolsWidget && toolsWidget->height() <= 128 )
-		grabRect |= toolsWidget->tqgeometry();
+		grabRect |= toolsWidget->geometry();
 	if ( debugWidget && debugWidget->height() <= 128 )
-		grabRect |= debugWidget->tqgeometry();
+		grabRect |= debugWidget->geometry();
 	
 	if ( !grabRect.isValid() )
 		return;
@@ -647,8 +647,8 @@ void KTechlab::saveProperties( KConfig *conf )
 	conf->setGroup("KateMDI");
 	int scnum = TQApplication::desktop()->screenNumber(parentWidget());
 	TQRect desk = TQApplication::desktop()->screenGeometry(scnum);
-	conf->deleteEntry( TQString::fromLatin1("Width %1").tqarg(desk.width()) );
-	conf->deleteEntry( TQString::fromLatin1("Height %1").tqarg(desk.height()) );
+	conf->deleteEntry( TQString::fromLatin1("Width %1").arg(desk.width()) );
+	conf->deleteEntry( TQString::fromLatin1("Height %1").arg(desk.height()) );
 	
 	conf->sync();
 }
diff --git a/src/languages/flowcode.cpp b/src/languages/flowcode.cpp
index 5356eab..fe575f9 100644
--- a/src/languages/flowcode.cpp
+++ b/src/languages/flowcode.cpp
@@ -173,7 +173,7 @@ TQString FlowCode::generateMicrobe( const ItemList &itemList, MicroSettings *set
 				continue;
 			
 			if ( !startPart->outputPart( nodeMapIt.key() ) )
-				outputWarning( i18n("Warning: Floating connection for %1").tqarg( startPart->id() ) );
+				outputWarning( i18n("Warning: Floating connection for %1").arg( startPart->id() ) );
 		}
 		
 		FlowContainer * fc = dynamic_cast<FlowContainer*>((Item*)*it);
@@ -259,7 +259,7 @@ TQString FlowCode::generateMicrobe( const ItemList &itemList, MicroSettings *set
 			if ( type.isEmpty() )
 				continue;
 			
-			addCode( TQString("%1 %2 %3").tqarg( type ).tqarg( it.key() ).tqarg( it.data().pins().join(" ") ) );
+			addCode( TQString("%1 %2 %3").arg( type ).arg( it.key() ).arg( it.data().pins().join(" ") ) );
 		}
 	}
 	
diff --git a/src/languages/picprogrammer.cpp b/src/languages/picprogrammer.cpp
index 5ef37dd..837a937 100644
--- a/src/languages/picprogrammer.cpp
+++ b/src/languages/picprogrammer.cpp
@@ -63,7 +63,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_bDoneStaticConfigsInit = true;
 	ProgrammerConfig config;
 	
-	config.description = i18n("Supported programmers: %1").tqarg("JuPic, PICStart Plus, Warp-13");
+	config.description = i18n("Supported programmers: %1").arg("JuPic, PICStart Plus, Warp-13");
 	config.description += i18n("<br>Interface: Serial Port");
 	config.initCommand = "";
 	config.readCommand = "picp %port %device -rp %file";
@@ -75,7 +75,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "PICP" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("Epic Plus");
+	config.description = i18n("Supported programmers: %1").arg("Epic Plus");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "odyssey init";
 	config.readCommand = "odyssey %device read %file";
@@ -87,7 +87,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "Odyssey" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("JDM PIC-Programmer 2, PIC-PG2C");
+	config.description = i18n("Supported programmers: %1").arg("JDM PIC-Programmer 2, PIC-PG2C");
 	config.description += i18n("<br>Interface: Serial Port");
 	config.initCommand = "";
 	config.readCommand = "picprog --output %file --pic %port";
@@ -98,7 +98,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "PICProg" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("Epic Plus");
+	config.description = i18n("Supported programmers: %1").arg("Epic Plus");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "dump84 --dump-all --output=%file";
@@ -109,7 +109,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "prog84" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("Kit 149, Kit 150");
+	config.description = i18n("Supported programmers: %1").arg("Kit 149, Kit 150");
 	config.description += i18n("<br>Interface: USB Port");
 	config.initCommand = "";
 	config.readCommand = "pp -d %device -r %file";
@@ -120,7 +120,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "PP" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("Wisp628");
+	config.description = i18n("Supported programmers: %1").arg("Wisp628");
 	config.description += i18n("<br>Interface: Serial Port");
 	config.initCommand = "";
 	config.readCommand = "xwisp ID %device PORT %device DUMP";
@@ -132,7 +132,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	
 	
 #if 0
-	config.description = i18n("Supported programmers: %1").tqarg("Epic Plus, JDM PIC-Programmer 2, PICCOLO, PICCOLO Grande, Trivial HVP Programmer");
+	config.description = i18n("Supported programmers: %1").arg("Epic Plus, JDM PIC-Programmer 2, PICCOLO, PICCOLO Grande, Trivial HVP Programmer");
 	config.description += i18n("<br>Interface: Serial Port and Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "";
@@ -145,7 +145,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	config.executable = "";
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("Trivial LVP programmer, Trivial HVP Programmer");
+	config.description = i18n("Supported programmers: %1").arg("Trivial LVP programmer, Trivial HVP Programmer");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "";
@@ -156,7 +156,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "PicPrg2" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("El Cheapo");
+	config.description = i18n("Supported programmers: %1").arg("El Cheapo");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "";
@@ -167,7 +167,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "PP06" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("NOPPP");
+	config.description = i18n("Supported programmers: %1").arg("NOPPP");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "";
@@ -178,7 +178,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "NOPPP" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("SNOPPP");
+	config.description = i18n("Supported programmers: %1").arg("SNOPPP");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "";
@@ -232,7 +232,7 @@ void PicProgrammerSettings::save( KConfig * config )
 	ProgrammerConfigMap::iterator end = m_customConfigs.end();
 	for ( ProgrammerConfigMap::iterator it = m_customConfigs.begin(); it != end; ++it )
 	{
-		config->setGroup( TQString("CustomProgrammer_%1").tqarg(at++) );
+		config->setGroup( TQString("CustomProgrammer_%1").arg(at++) );
 		
 		config->writeEntry( "Name", it.key() );
 		config->writeEntry( "InitCommand", it.data().initCommand );
diff --git a/src/languages/processchain.cpp b/src/languages/processchain.cpp
index 6f5c95a..00edbb8 100644
--- a/src/languages/processchain.cpp
+++ b/src/languages/processchain.cpp
@@ -56,7 +56,7 @@ ProcessChain::ProcessChain( ProcessOptions options, KTechlab * ktechlab, const c
 	else
 		target = options.targetFile();
 	
-	LanguageManager::self()->logView()->addOutput( i18n("Building: %1").tqarg( target ), LogView::ot_important );
+	LanguageManager::self()->logView()->addOutput( i18n("Building: %1").arg( target ), LogView::ot_important );
 	TQTimer::singleShot( 0, this, TQT_SLOT(compile()) );
 }
 
diff --git a/src/languages/sdcc.cpp b/src/languages/sdcc.cpp
index ea1845d..96cf54c 100644
--- a/src/languages/sdcc.cpp
+++ b/src/languages/sdcc.cpp
@@ -40,7 +40,7 @@ void SDCC::processInput( ProcessOptions options )
 	MicroInfo * info = MicroLibrary::self()->microInfoWithID( options.m_picID );
 	if (!info)
 	{
-		outputError( i18n("Could not find PIC with ID \"%1\".").tqarg(options.m_picID) );
+		outputError( i18n("Could not find PIC with ID \"%1\".").arg(options.m_picID) );
 		return;
 	}
 	
@@ -50,7 +50,7 @@ void SDCC::processInput( ProcessOptions options )
 	
 	
 	//BEGIN Pass custom sdcc options
-#define ARG(text,option) if ( KTLConfig::text() ) *m_languageProcess << ( TQString("--%1").tqarg(option) );
+#define ARG(text,option) if ( KTLConfig::text() ) *m_languageProcess << ( TQString("--%1").arg(option) );
 	// General
 	ARG( sDCC_nostdlib,				"nostdlib" )
 	ARG( sDCC_nostdinc,				"nostdinc" )
diff --git a/src/mechanics/mechanicsgroup.cpp b/src/mechanics/mechanicsgroup.cpp
index 900eb92..2c577c8 100644
--- a/src/mechanics/mechanicsgroup.cpp
+++ b/src/mechanics/mechanicsgroup.cpp
@@ -71,9 +71,9 @@ void MechanicsGroup::removeChildren( Item *item )
 	if (!item)
 		return;
 	
-	const ItemList tqchildren = item->tqchildren();
-	const ItemList::const_iterator end = tqchildren.end();
-	for ( ItemList::const_iterator it = tqchildren.begin(); it != end; ++it )
+	const ItemList children = item->children();
+	const ItemList::const_iterator end = children.end();
+	for ( ItemList::const_iterator it = children.begin(); it != end; ++it )
 	{
 		removeChildren(*it);
 		removeItem(*it);
diff --git a/src/mechanics/mechanicsgroup.h b/src/mechanics/mechanicsgroup.h
index 0908d66..1ea2dc5 100644
--- a/src/mechanics/mechanicsgroup.h
+++ b/src/mechanics/mechanicsgroup.h
@@ -42,7 +42,7 @@ public:
 	 */
 	void setRaised( bool isRaised );
 	/**
-	 * Removes all the tqchildren of the given item from the group
+	 * Removes all the children of the given item from the group
 	 */
 	void removeChildren( Item *item );
 	bool addItem( Item *item );
diff --git a/src/mechanics/mechanicsitem.cpp b/src/mechanics/mechanicsitem.cpp
index 96c4adf..81340b4 100644
--- a/src/mechanics/mechanicsitem.cpp
+++ b/src/mechanics/mechanicsitem.cpp
@@ -206,8 +206,8 @@ void MechanicsItem::updateMechanicsInfoCombined()
 	double mass_x = 0.;
 	double mass_y = 0.;
 	
-	const ItemList::const_iterator end = m_tqchildren.end();
-	for ( ItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	const ItemList::const_iterator end = m_children.end();
+	for ( ItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		MechanicsItem *child = dynamic_cast<MechanicsItem*>((Item*)*it);
 		if (child)
diff --git a/src/mechanics/mechanicsitem.h b/src/mechanics/mechanicsitem.h
index 3c8f7a1..712ff3c 100644
--- a/src/mechanics/mechanicsitem.h
+++ b/src/mechanics/mechanicsitem.h
@@ -158,12 +158,12 @@ public:
 	PositionInfo relativePosition() const { return m_relativePosition; }
 	/**
 	 * Returns the mechanics info for this item (so not taking into account that
-	 * of attached tqchildren)
+	 * of attached children)
 	 */
 	MechanicsInfo *mechanicsInfo() { return &m_mechanicsInfo; }
 	/**
 	 * Returns the combined mechanics info for this item (which takes into
-	 * account that of attached tqchildren).
+	 * account that of attached children).
 	 */
 	CombinedMechanicsInfo *mechanicsInfoCombined() { return &m_mechanicsInfoCombined; }
 	/**
diff --git a/src/node.h b/src/node.h
index f5e5f0b..271fdf1 100644
--- a/src/node.h
+++ b/src/node.h
@@ -177,7 +177,7 @@ public:
 	
 	void removeNullConnectors();
 	/**
-	 * Draw tqshape. Note that this has to remain public.
+	 * Draw shape. Note that this has to remain public.
 	 */
 	virtual void drawShape( TQPainter &p ) = 0;
 	
diff --git a/src/projectmanager.cpp b/src/projectmanager.cpp
index 3a6565c..2bdca82 100644
--- a/src/projectmanager.cpp
+++ b/src/projectmanager.cpp
@@ -192,11 +192,11 @@ ProjectItem::ProjectItem( ProjectItem * parent, Type type, ProjectManager * proj
 
 ProjectItem::~ProjectItem()
 {
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::iterator end = m_tqchildren.end();
-	for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != end; ++it )
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::iterator end = m_children.end();
+	for ( ProjectItemList::iterator it = m_children.begin(); it != end; ++it )
 		(*it)->deleteLater();
-	m_tqchildren.clear();
+	m_children.clear();
 	
 	delete m_pILVItem;
 	m_pILVItem = 0l;
@@ -254,10 +254,10 @@ void ProjectItem::updateILVItemPixmap()
 
 void ProjectItem::addChild( ProjectItem * child )
 {
-	if ( !child || m_tqchildren.contains(child) )
+	if ( !child || m_children.contains(child) )
 		return;
 	
-	m_tqchildren << child;
+	m_children << child;
 	
 	child->setILVItem( m_pILVItem ?
 			new ILVItem( m_pILVItem, child->name() ) :
@@ -283,9 +283,9 @@ void ProjectItem::updateControlChildMicroIDs()
 			break;
 	}
 	
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::iterator end = m_tqchildren.end();
-	for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != end; ++it )
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::iterator end = m_children.end();
+	for ( ProjectItemList::iterator it = m_children.begin(); it != end; ++it )
 		(*it)->setUseParentMicroID( control );
 }
 
@@ -420,7 +420,7 @@ bool ProjectItem::build( ProcessOptionsList * pol )
 	
 	if ( outputURL().isEmpty() )
 	{
-		KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (output url is empty).").tqarg(name()) );
+		KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (output url is empty).").arg(name()) );
 		return false;
 	}
 	
@@ -431,7 +431,7 @@ bool ProjectItem::build( ProcessOptionsList * pol )
 		ProjectItem * lib = projectInfo->findItem( projectInfo->directory() + *it );
 		if ( !lib )
 		{
-			KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (library does not exist in project).").tqarg(*it) );
+			KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (library does not exist in project).").arg(*it) );
 			return false;
 		}
 		
@@ -440,10 +440,10 @@ bool ProjectItem::build( ProcessOptionsList * pol )
 	}
 	
 	
-	// Build all tqchildren
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::iterator cend = m_tqchildren.end();
-	for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != cend; ++it )
+	// Build all children
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::iterator cend = m_children.end();
+	for ( ProjectItemList::iterator it = m_children.begin(); it != cend; ++it )
 	{
 		if ( ! (*it)->build(pol) )
 			return false;
@@ -461,7 +461,7 @@ bool ProjectItem::build( ProcessOptionsList * pol )
 	switch ( outputType() )
 	{
 		case UnknownOutput:
-			KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (unknown output type).").tqarg(name()) );
+			KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (unknown output type).").arg(name()) );
 			return false;
 			
 		case ProgramOutput:
@@ -494,9 +494,9 @@ bool ProjectItem::build( ProcessOptionsList * pol )
 			TQStringList inputFiles;
 			
 			// Link child objects
-			m_tqchildren.remove( (ProjectItem*)0l );
-			ProjectItemList::iterator cend = m_tqchildren.end();
-			for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != cend; ++it )
+			m_children.remove( (ProjectItem*)0l );
+			ProjectItemList::iterator cend = m_children.end();
+			for ( ProjectItemList::iterator it = m_children.begin(); it != cend; ++it )
 				inputFiles << (*it)->outputURL().path();
 			
 			po.setInputFiles(inputFiles);
@@ -565,8 +565,8 @@ TQDomElement ProjectItem::toDomElement( TQDomDocument & doc, const KURL & baseUR
 	node.appendChild( ProcessingOptions::toDomElement( doc, baseURL ) );
 	
 	
-	ProjectItemList::const_iterator end = m_tqchildren.end();
-	for ( ProjectItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	ProjectItemList::const_iterator end = m_children.end();
+	for ( ProjectItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if (*it)
 			node.appendChild( (*it)->toDomElement( doc, baseURL ) );
@@ -580,8 +580,8 @@ KURL::List ProjectItem::childOutputURLs( unsigned types, unsigned outputTypes )
 {
 	KURL::List urls;
 	
-	ProjectItemList::const_iterator end = m_tqchildren.end();
-	for ( ProjectItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	ProjectItemList::const_iterator end = m_children.end();
+	for ( ProjectItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if (!*it)
 			continue;
@@ -601,8 +601,8 @@ ProjectItem * ProjectItem::findItem( const KURL & url )
 	if ( this->url() == url )
 		return this;
 	
-	ProjectItemList::const_iterator end = m_tqchildren.end();
-	for ( ProjectItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	ProjectItemList::const_iterator end = m_children.end();
+	for ( ProjectItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if (!*it)
 			continue;
@@ -622,9 +622,9 @@ bool ProjectItem::closeOpenFiles()
 	if ( doc && !doc->fileClose() )
 		return false;
 	
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::iterator end = m_tqchildren.end();
-	for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != end; ++it )
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::iterator end = m_children.end();
+	for ( ProjectItemList::iterator it = m_children.begin(); it != end; ++it )
 	{
 		if ( !(*it)->closeOpenFiles() )
 			return false;
@@ -668,9 +668,9 @@ void ProjectItem::addFile( const KURL & url )
 	if ( url.isEmpty() )
 		return;
 	
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::iterator end = m_tqchildren.end();
-	for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != end; ++it )
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::iterator end = m_children.end();
+	for ( ProjectItemList::iterator it = m_children.begin(); it != end; ++it )
 	{
 		if ( (*it)->type() == FileType && (*it)->url() == url )
 			return;
@@ -788,7 +788,7 @@ bool ProjectInfo::open( const KURL & url )
 	TQFile file(target);
 	if ( !file.open( IO_ReadOnly ) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open %1 for reading").tqarg(target) );
+		KMessageBox::sorry( 0l, i18n("Could not open %1 for reading").arg(target) );
 		return false;
 	}
 	
@@ -805,7 +805,7 @@ bool ProjectInfo::open( const KURL & url )
 	TQString errorMessage;
 	if ( !doc.setContent( xml, &errorMessage ) )
 	{
-		KMessageBox::sorry( 0l, i18n("Couldn't parse xml:\n%1").tqarg(errorMessage) );
+		KMessageBox::sorry( 0l, i18n("Couldn't parse xml:\n%1").arg(errorMessage) );
 		return false;
 	}
 	
@@ -845,7 +845,7 @@ bool ProjectInfo::save()
 	TQFile file( m_url.path() );
 	if ( file.open(IO_WriteOnly) == false )
 	{
-		KMessageBox::sorry( NULL, i18n("Project could not be saved to \"%1\"").tqarg(m_url.path()), i18n("Saving Project") );
+		KMessageBox::sorry( NULL, i18n("Project could not be saved to \"%1\"").arg(m_url.path()), i18n("Saving Project") );
 		return false;
 	}
 	
@@ -857,9 +857,9 @@ bool ProjectInfo::save()
 // 	root.appendChild( LinkerOptions::toDomElement(doc) );
 // 	root.appendChild( ProcessingOptions::toDomElement(doc) );
 	
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::const_iterator end = m_tqchildren.end();
-	for ( ProjectItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::const_iterator end = m_children.end();
+	for ( ProjectItemList::const_iterator it = m_children.begin(); it != end; ++it )
 		root.appendChild( (*it)->toDomElement( doc, m_url ) );
 	
 	TQTextStream stream(&file);
@@ -1130,7 +1130,7 @@ void ProjectManager::slotRemoveSelected()
 	if ( !currentItem )
 		return;
 	
-	int choice = KMessageBox::questionYesNo( this, i18n("Do you really want to remove \"%1\"?").tqarg( currentItem->text(0) ), i18n("Remove Project File?"), KGuiItem(i18n("Remove")), KGuiItem(i18n("Cancel")) );
+	int choice = KMessageBox::questionYesNo( this, i18n("Do you really want to remove \"%1\"?").arg( currentItem->text(0) ), i18n("Remove Project File?"), KGuiItem(i18n("Remove")), KGuiItem(i18n("Cancel")) );
 	
 	if ( choice == KMessageBox::No )
 		return;
diff --git a/src/projectmanager.h b/src/projectmanager.h
index 33d239b..54f873f 100644
--- a/src/projectmanager.h
+++ b/src/projectmanager.h
@@ -160,11 +160,11 @@ class ProjectItem : public TQObject, public LinkerOptions, public ProcessingOpti
 		void setILVItem( ILVItem * ilvItem );
 		
 		/**
-		 * Adds the child to the list of tqchildren, and creates an ILVItem for it
+		 * Adds the child to the list of children, and creates an ILVItem for it
 		 * in the project tree view.
 		 */
 		void addChild( ProjectItem * child );
-		ProjectItemList tqchildren() const { return m_tqchildren; }
+		ProjectItemList children() const { return m_children; }
 		
 		void setName( const TQString & name );
 		TQString name() const { return m_name; }
@@ -180,12 +180,12 @@ class ProjectItem : public TQObject, public LinkerOptions, public ProcessingOpti
 		OutputType outputType() const;
 		
 		/**
-		 * Returns a list of output urls of the tqchildren and their recursively
-		 * contained tqchildren (does not include the url for this project item).
+		 * Returns a list of output urls of the children and their recursively
+		 * contained children (does not include the url for this project item).
 		 * @param types An OR'ed list of ProjectItem::Type values for the
-		 * tqchildren.
+		 * children.
 		 * @param outputTypes An OR'ed list of ProjectItem::OutputType values
-		 * for the tqchildren.
+		 * for the children.
 		 */
 		KURL::List childOutputURLs( unsigned types = AllTypes, unsigned outputTypes = AllOutputs ) const;
 		
@@ -210,7 +210,7 @@ class ProjectItem : public TQObject, public LinkerOptions, public ProcessingOpti
 		virtual TQString microID() const;
 		
 		/**
-		 * Searches this item and the tqchildren for an item for the given url,
+		 * Searches this item and the children for an item for the given url,
 		 * return null if no such item could be found.
 		 */
 		ProjectItem * findItem( const KURL & url );
@@ -222,7 +222,7 @@ class ProjectItem : public TQObject, public LinkerOptions, public ProcessingOpti
 		
 		KURL m_url;
 		TQString m_name;
-		ProjectItemList m_tqchildren;
+		ProjectItemList m_children;
 		Type m_type;
 		
 		KTechlab * p_ktechlab;
diff --git a/src/recentfilesaction.cpp b/src/recentfilesaction.cpp
index deba448..22f0d24 100644
--- a/src/recentfilesaction.cpp
+++ b/src/recentfilesaction.cpp
@@ -86,7 +86,7 @@ void RecentFilesAction::loadEntries()
     // read file list
 	for( unsigned int i = 1 ; i <= m_maxItems ; i++ )
 	{
-		key = TQString( "File%1" ).tqarg( i );
+		key = TQString( "File%1" ).arg( i );
 		value = config->readPathEntry( key );
 
 		if (!value.isNull())
@@ -116,7 +116,7 @@ void RecentFilesAction::saveEntries()
     // write file list
 	for( unsigned int i = 1 ; i <= lst.count() ; i++ )
 	{
-		key = TQString( "File%1" ).tqarg( i );
+		key = TQString( "File%1" ).arg( i );
 		value = lst[ i - 1 ];
 		config->writePathEntry( key, value );
 	}
diff --git a/src/textdocument.cpp b/src/textdocument.cpp
index 77cfb30..53d98e4 100644
--- a/src/textdocument.cpp
+++ b/src/textdocument.cpp
@@ -603,9 +603,9 @@ void TextDocument::slotUpdateMarksInfo()
 	{
 		if ( mark->type & Bookmark )
 		{
-			KAction * a = new KAction( i18n("%1 - %2").tqarg( TQString::number( mark->line+1 ) ).tqarg( m_doc->textLine(mark->line) ),
+			KAction * a = new KAction( i18n("%1 - %2").arg( TQString::number( mark->line+1 ) ).arg( m_doc->textLine(mark->line) ),
 									   0, this, TQT_SLOT(slotBookmarkRequested()), this,
-									   TQString("bookmark_%1").tqarg(TQString::number(mark->line).ascii()) );
+									   TQString("bookmark_%1").arg(TQString::number(mark->line).ascii()) );
 			m_bookmarkActions.append(a);
 		}
 	}
diff --git a/src/textview.cpp b/src/textview.cpp
index 0d7f639..e5c4648 100644
--- a/src/textview.cpp
+++ b/src/textview.cpp
@@ -262,7 +262,7 @@ void TextView::slotCursorPositionChanged()
 	uint line, column;
 	m_view->cursorPosition( &line, &column );
 	
-	m_statusBar->changeItem( i18n(" Line: %1 Col: %2 ").tqarg(TQString::number(line+1)).tqarg(TQString::number(column+1)), ViewStatusBar::LineCol );
+	m_statusBar->changeItem( i18n(" Line: %1 Col: %2 ").arg(TQString::number(line+1)).arg(TQString::number(column+1)), ViewStatusBar::LineCol );
 	
 	slotUpdateMarksInfo();
 }
diff --git a/src/variablelabel.cpp b/src/variablelabel.cpp
index 10e0a2a..0d0472c 100644
--- a/src/variablelabel.cpp
+++ b/src/variablelabel.cpp
@@ -77,7 +77,7 @@ void VariableLabel::setValue( unsigned value )
 void VariableLabel::updateText()
 {
 	if ( m_pRegisterInfo )
-		setText( TQString("%1 = %2").tqarg( m_registerName ).tqarg( SymbolViewer::self()->toDisplayString( m_pRegisterInfo->value() ) ) );
+		setText( TQString("%1 = %2").arg( m_registerName ).arg( SymbolViewer::self()->toDisplayString( m_pRegisterInfo->value() ) ) );
 	
 	else if ( m_value != -1 )
 		setText( TQString::number( m_value ) );
diff --git a/src/viewcontainer.h b/src/viewcontainer.h
index 50458b6..1d09db1 100644
--- a/src/viewcontainer.h
+++ b/src/viewcontainer.h
@@ -82,7 +82,7 @@ public:
 	void restoreState( KConfig *config, int id, const TQString &groupName );
 	/**
 	 * Returns true if this ViewArea can save useful information as to its state
-	 * (i.e. it's tqchildren can save useful information about their state, or has
+	 * (i.e. it's children can save useful information about their state, or has
 	 * a view with a url in it)
 	 */
 	bool canSaveUsefulStateInfo() const;
@@ -218,7 +218,7 @@ public:
 	int uniqueNewId();
 	/**
 	 * Returns true if this ViewArea can save useful information as to its state
-	 * (i.e. it's tqchildren can save useful information about their state, or has
+	 * (i.e. it's children can save useful information about their state, or has
 	 * a view with a url in it)
 	 */
 	bool canSaveUsefulStateInfo() const;