Initial TQt4 port of Rosegarden

This enables compilation under both Qt3 and Qt4


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/rosegarden@1230242 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

38 files changed, 278 insertions, 266 deletions

diff --git a/src/gui/studio/AudioMixerWindow.cpp b/src/gui/studio/AudioMixerWindow.cpp
index 2b7ad0e..e95a6b1 100644
--- a/src/gui/studio/AudioMixerWindow.cpp
+++ b/src/gui/studio/AudioMixerWindow.cpp
@@ -89,90 +89,90 @@ static const unsigned int MIXER_SHOW_UNASSIGNED_FADERS = 1 << 3;
 static const unsigned int MIXER_OMIT_SYNTH_FADERS      = 1 << 4;
 
 
-AudioMixerWindow::AudioMixerWindow(TQWidget *parent,
+AudioMixerWindow::AudioMixerWindow(TQWidget *tqparent,
                                    RosegardenGUIDoc *document):
-        MixerWindow(parent, document),
+        MixerWindow(tqparent, document),
         m_mainBox (0)
 {
     populate();
 
-    KStdAction::close(this,
+    KStdAction::close(TQT_TQOBJECT(this),
                       TQT_SLOT(slotClose()),
                       actionCollection());
 
-    TQIconSet icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    TQIconSet icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                              ("transport-play")));
-    KAction *play = new KAction(i18n("&Play"), icon, Key_Enter, this,
+    KAction *play = new KAction(i18n("&Play"), icon, Key_Enter, TQT_TQOBJECT(this),
                 TQT_SIGNAL(play()), actionCollection(), "play");
     // Alternative shortcut for Play
     KShortcut playShortcut = play->shortcut();
     playShortcut.append( KKey(Key_Return + CTRL) );
     play->setShortcut(playShortcut);
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-stop")));
-    new KAction(i18n("&Stop"), icon, Key_Insert, this,
+    new KAction(i18n("&Stop"), icon, Key_Insert, TQT_TQOBJECT(this),
                 TQT_SIGNAL(stop()), actionCollection(), "stop");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-rewind")));
-    new KAction(i18n("Re&wind"), icon, Key_End, this,
+    new KAction(i18n("Re&wind"), icon, Key_End, TQT_TQOBJECT(this),
                 TQT_SIGNAL(rewindPlayback()), actionCollection(),
                 "playback_pointer_back_bar");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-ffwd")));
-    new KAction(i18n("&Fast Forward"), icon, Key_PageDown, this,
+    new KAction(i18n("&Fast Forward"), icon, Key_PageDown, TQT_TQOBJECT(this),
                 TQT_SIGNAL(fastForwardPlayback()), actionCollection(),
                 "playback_pointer_forward_bar");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-rewind-end")));
-    new KAction(i18n("Rewind to &Beginning"), icon, 0, this,
+    new KAction(i18n("Rewind to &Beginning"), icon, 0, TQT_TQOBJECT(this),
                 TQT_SIGNAL(rewindPlaybackToBeginning()), actionCollection(),
                 "playback_pointer_start");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-ffwd-end")));
-    new KAction(i18n("Fast Forward to &End"), icon, 0, this,
+    new KAction(i18n("Fast Forward to &End"), icon, 0, TQT_TQOBJECT(this),
                 TQT_SIGNAL(fastForwardPlaybackToEnd()), actionCollection(),
                 "playback_pointer_end");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-record")));
-    new KAction(i18n("&Record"), icon, 0, this,
+    new KAction(i18n("&Record"), icon, 0, TQT_TQOBJECT(this),
                 TQT_SIGNAL(record()), actionCollection(),
                 "record");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-panic")));
-    new KAction(i18n("Panic"), icon, Key_P + CTRL + ALT, this,
+    new KAction(i18n("Panic"), icon, Key_P + CTRL + ALT, TQT_TQOBJECT(this),
                 TQT_SIGNAL(panic()), actionCollection(),
                 "panic");
 
     unsigned int mixerOptions = m_studio->getMixerDisplayOptions();
 
-    (new KToggleAction(i18n("Show Audio &Faders"), 0, this,
+    (new KToggleAction(i18n("Show Audio &Faders"), 0, TQT_TQOBJECT(this),
                        TQT_SLOT(slotToggleFaders()), actionCollection(),
                        "show_audio_faders"))->setChecked
     (!(mixerOptions & MIXER_OMIT_FADERS));
 
-    (new KToggleAction(i18n("Show Synth &Faders"), 0, this,
+    (new KToggleAction(i18n("Show Synth &Faders"), 0, TQT_TQOBJECT(this),
                        TQT_SLOT(slotToggleSynthFaders()), actionCollection(),
                        "show_synth_faders"))->setChecked
     (!(mixerOptions & MIXER_OMIT_SYNTH_FADERS));
 
-    (new KToggleAction(i18n("Show &Submasters"), 0, this,
+    (new KToggleAction(i18n("Show &Submasters"), 0, TQT_TQOBJECT(this),
                        TQT_SLOT(slotToggleSubmasters()), actionCollection(),
                        "show_audio_submasters"))->setChecked
     (!(mixerOptions & MIXER_OMIT_SUBMASTERS));
 
-    (new KToggleAction(i18n("Show &Plugin Buttons"), 0, this,
+    (new KToggleAction(i18n("Show &Plugin Buttons"), 0, TQT_TQOBJECT(this),
                        TQT_SLOT(slotTogglePluginButtons()), actionCollection(),
                        "show_plugin_buttons"))->setChecked
     (!(mixerOptions & MIXER_OMIT_PLUGINS));
 
-    (new KToggleAction(i18n("Show &Unassigned Faders"), 0, this,
+    (new KToggleAction(i18n("Show &Unassigned Faders"), 0, TQT_TQOBJECT(this),
                        TQT_SLOT(slotToggleUnassignedFaders()), actionCollection(),
                        "show_unassigned_faders"))->setChecked
     (mixerOptions & MIXER_SHOW_UNASSIGNED_FADERS);
@@ -182,9 +182,9 @@ AudioMixerWindow::AudioMixerWindow(TQWidget *parent,
     for (int i = 1; i <= 16; i *= 2) {
         action =
             new KRadioAction(i18n("1 Input", "%n Inputs", i),
-                             0, this,
+                             0, TQT_TQOBJECT(this),
                              TQT_SLOT(slotSetInputCountFromAction()), actionCollection(),
-                             TQString("inputs_%1").arg(i));
+                             TQString("inputs_%1").tqarg(i));
         action->setExclusiveGroup("inputs");
         if (i == int(m_studio->getRecordIns().size()))
             action->setChecked(true);
@@ -192,7 +192,7 @@ AudioMixerWindow::AudioMixerWindow(TQWidget *parent,
 
     action = new KRadioAction
              (i18n("No Submasters"),
-              0, this,
+              0, TQT_TQOBJECT(this),
               TQT_SLOT(slotSetSubmasterCountFromAction()), actionCollection(),
               TQString("submasters_0"));
     action->setExclusiveGroup("submasters");
@@ -201,9 +201,9 @@ AudioMixerWindow::AudioMixerWindow(TQWidget *parent,
     for (int i = 2; i <= 8; i *= 2) {
         action = new KRadioAction
                  (i18n("1 Submaster", "%n Submasters", i),
-                  0, this,
+                  0, TQT_TQOBJECT(this),
                   TQT_SLOT(slotSetSubmasterCountFromAction()), actionCollection(),
-                  TQString("submasters_%1").arg(i));
+                  TQString("submasters_%1").tqarg(i));
         action->setExclusiveGroup("submasters");
         if (i == int(m_studio->getBusses().size()) - 1)
             action->setChecked(true);
@@ -268,12 +268,12 @@ AudioMixerWindow::populate()
     BussList busses = m_studio->getBusses();
 
     TQString pixmapDir = KGlobal::dirs()->findResource("appdata", "pixmaps/");
-    m_monoPixmap.load(TQString("%1/misc/mono.xpm").arg(pixmapDir));
-    m_stereoPixmap.load(TQString("%1/misc/stereo.xpm").arg(pixmapDir));
+    m_monoPixmap.load(TQString("%1/misc/mono.xpm").tqarg(pixmapDir));
+    m_stereoPixmap.load(TQString("%1/misc/stereo.xpm").tqarg(pixmapDir));
 
     // Total cols: is 2 for each fader, submaster or master, plus 1
     // for each spacer.
-    TQGridLayout *mainLayout = new QGridLayout
+    TQGridLayout *mainLayout = new TQGridLayout
                               (m_mainBox, (instruments.size() + busses.size()) * 3, 7);
 
     setCaption(i18n("Audio Mixer"));
@@ -397,11 +397,11 @@ AudioMixerWindow::populate()
         TQLabel *idLabel;
         TQString idString;
         if ((*i)->getType() == Instrument::Audio) {
-            idString = i18n("Audio %1").arg((*i)->getId() -
+            idString = i18n("Audio %1").tqarg((*i)->getId() -
                                             AudioInstrumentBase + 1);
             idLabel = new TQLabel(idString, m_mainBox, "audioIdLabel");
         } else {
-            idString = i18n("Synth %1").arg((*i)->getId() -
+            idString = i18n("Synth %1").tqarg((*i)->getId() -
                                             SoftSynthInstrumentBase + 1);
             idLabel = new TQLabel(idString, m_mainBox, "synthIdLabel");
         }
@@ -411,14 +411,14 @@ AudioMixerWindow::populate()
             mainLayout->addMultiCellWidget(rec.m_input->getWidget(), 1, 1, col, col + 1);
         }
         mainLayout->addMultiCellWidget(rec.m_output->getWidget(), 2, 2, col, col + 1);
-        //	mainLayout->addWidget(idLabel, 2, col, Qt::AlignCenter);
-        //	mainLayout->addWidget(rec.m_pan, 2, col+1, Qt::AlignLeft);
+        //	mainLayout->addWidget(idLabel, 2, col, TQt::AlignCenter);
+        //	mainLayout->addWidget(rec.m_pan, 2, col+1, TQt::AlignLeft);
 
-        mainLayout->addMultiCellWidget(idLabel, 0, 0, col, col + 1, Qt::AlignCenter);
-        mainLayout->addWidget(rec.m_pan, 5, col, Qt::AlignCenter);
+        mainLayout->addMultiCellWidget(idLabel, 0, 0, col, col + 1, TQt::AlignCenter);
+        mainLayout->addWidget(rec.m_pan, 5, col, TQt::AlignCenter);
 
-        mainLayout->addWidget(rec.m_fader, 3, col, Qt::AlignCenter);
-        mainLayout->addWidget(rec.m_meter, 3, col + 1, Qt::AlignCenter);
+        mainLayout->addWidget(rec.m_fader, 3, col, TQt::AlignCenter);
+        mainLayout->addWidget(rec.m_meter, 3, col + 1, TQt::AlignCenter);
 
         // commented out until implemented
         //	mainLayout->addWidget(rec.m_muteButton, 4, col);
@@ -525,17 +525,17 @@ AudioMixerWindow::populate()
                     this, TQT_SLOT(slotSelectPlugin()));
         }
 
-        TQLabel *idLabel = new TQLabel(i18n("Sub %1").arg(count), m_mainBox, "subMaster");
+        TQLabel *idLabel = new TQLabel(i18n("Sub %1").tqarg(count), m_mainBox, "subMaster");
         idLabel->setFont(boldFont);
 
-        //	mainLayout->addWidget(idLabel, 2, col, Qt::AlignCenter);
-        mainLayout->addMultiCellWidget(idLabel, 0, 0, col, col + 1, Qt::AlignCenter);
+        //	mainLayout->addWidget(idLabel, 2, col, TQt::AlignCenter);
+        mainLayout->addMultiCellWidget(idLabel, 0, 0, col, col + 1, TQt::AlignCenter);
 
-        //	mainLayout->addWidget(rec.m_pan, 2, col+1, Qt::AlignLeft);
-        mainLayout->addMultiCellWidget(rec.m_pan, 5, 5, col, col + 1, Qt::AlignCenter);
+        //	mainLayout->addWidget(rec.m_pan, 2, col+1, TQt::AlignLeft);
+        mainLayout->addMultiCellWidget(rec.m_pan, 5, 5, col, col + 1, TQt::AlignCenter);
 
-        mainLayout->addWidget(rec.m_fader, 3, col, Qt::AlignCenter);
-        mainLayout->addWidget(rec.m_meter, 3, col + 1, Qt::AlignCenter);
+        mainLayout->addWidget(rec.m_fader, 3, col, TQt::AlignCenter);
+        mainLayout->addWidget(rec.m_meter, 3, col + 1, TQt::AlignCenter);
 
         //	mainLayout->addMultiCellWidget(rec.m_muteButton, 4, 4, col, col+1);
         rec.m_muteButton->hide();
@@ -587,9 +587,9 @@ AudioMixerWindow::populate()
         TQLabel *idLabel = new TQLabel(i18n("Master"), m_mainBox);
         idLabel->setFont(boldFont);
 
-        mainLayout->addMultiCellWidget(idLabel, 0, 0, col, col + 1, Qt::AlignCenter);
-        mainLayout->addWidget(rec.m_fader, 3, col, Qt::AlignCenter);
-        mainLayout->addWidget(rec.m_meter, 3, col + 1, Qt::AlignCenter);
+        mainLayout->addMultiCellWidget(idLabel, 0, 0, col, col + 1, TQt::AlignCenter);
+        mainLayout->addWidget(rec.m_fader, 3, col, TQt::AlignCenter);
+        mainLayout->addWidget(rec.m_meter, 3, col + 1, TQt::AlignCenter);
 
         //	mainLayout->addMultiCellWidget(rec.m_muteButton, 4, 4, col, col+1);
         rec.m_muteButton->hide();
@@ -706,7 +706,7 @@ AudioMixerWindow::slotPluginSelected(InstrumentId id,
             }
 
 
-            rec.m_plugins[index]->setPaletteForegroundColor(Qt::white);
+            rec.m_plugins[index]->setPaletteForegroundColor(TQt::white);
             rec.m_plugins[index]->setPaletteBackgroundColor(pluginBgColour);
         }
     } else if (id > 0 && id <= m_submasters.size()) {
@@ -745,7 +745,7 @@ AudioMixerWindow::slotPluginSelected(InstrumentId id,
             }
 
 
-            rec.m_plugins[index]->setPaletteForegroundColor(Qt::white);
+            rec.m_plugins[index]->setPaletteForegroundColor(TQt::white);
             rec.m_plugins[index]->setPaletteBackgroundColor(pluginBgColour);
         }
     }
@@ -921,7 +921,7 @@ AudioMixerWindow::updatePluginButtons(int id)
 
             } else if (used) {
 
-                rec->m_plugins[i]->setPaletteForegroundColor(Qt::white);
+                rec->m_plugins[i]->setPaletteForegroundColor(TQt::white);
                 rec->m_plugins[i]->setPaletteBackgroundColor(pluginBgColour);
 
 
@@ -942,7 +942,7 @@ AudioMixerWindow::updatePluginButtons(int id)
 void
 AudioMixerWindow::slotSelectPlugin()
 {
-    const TQObject *s = sender();
+    const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
 
     for (FaderMap::iterator i = m_faders.begin();
             i != m_faders.end(); ++i) {
@@ -954,7 +954,7 @@ AudioMixerWindow::slotSelectPlugin()
         for (std::vector<TQPushButton *>::iterator pli = i->second.m_plugins.begin();
                 pli != i->second.m_plugins.end(); ++pli) {
 
-            if (*pli == s) {
+            if (TQT_BASE_OBJECT(*pli) == TQT_BASE_OBJECT_CONST(s)) {
 
                 emit selectPlugin(this, i->first, index);
                 return ;
@@ -977,7 +977,7 @@ AudioMixerWindow::slotSelectPlugin()
         for (std::vector<TQPushButton *>::iterator pli = i->m_plugins.begin();
                 pli != i->m_plugins.end(); ++pli) {
 
-            if (*pli == s) {
+            if (TQT_BASE_OBJECT(*pli) == TQT_BASE_OBJECT_CONST(s)) {
 
                 emit selectPlugin(this, b, index);
                 return ;
@@ -993,7 +993,7 @@ AudioMixerWindow::slotSelectPlugin()
 void
 AudioMixerWindow::slotInputChanged()
 {
-    const TQObject *s = sender();
+    const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
 
     for (FaderMap::iterator i = m_faders.begin();
             i != m_faders.end(); ++i) {
@@ -1006,7 +1006,7 @@ AudioMixerWindow::slotInputChanged()
 void
 AudioMixerWindow::slotOutputChanged()
 {
-    const TQObject *s = sender();
+    const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
 
     for (FaderMap::iterator i = m_faders.begin();
             i != m_faders.end(); ++i) {
@@ -1060,11 +1060,11 @@ AudioMixerWindow::sendControllerRefresh()
 void
 AudioMixerWindow::slotFaderLevelChanged(float dB)
 {
-    const TQObject *s = sender();
+    const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
 
     BussList busses = m_studio->getBusses();
 
-    if (m_master.m_fader == s) {
+    if (TQT_BASE_OBJECT(m_master.m_fader) == TQT_BASE_OBJECT_CONST(s)) {
 
         if (busses.size() > 0) {
             StudioControl::setStudioObjectProperty
@@ -1082,7 +1082,7 @@ AudioMixerWindow::slotFaderLevelChanged(float dB)
     for (FaderVector::iterator i = m_submasters.begin();
             i != m_submasters.end(); ++i) {
 
-        if (i->m_fader == s) {
+        if (TQT_BASE_OBJECT(i->m_fader) == TQT_BASE_OBJECT_CONST(s)) {
             if ((int)busses.size() > index) {
                 StudioControl::setStudioObjectProperty
                 (MappedObjectId(busses[index]->getMappedId()),
@@ -1102,7 +1102,7 @@ AudioMixerWindow::slotFaderLevelChanged(float dB)
     for (FaderMap::iterator i = m_faders.begin();
             i != m_faders.end(); ++i) {
 
-        if (i->second.m_fader == s) {
+        if (TQT_BASE_OBJECT(i->second.m_fader) == TQT_BASE_OBJECT_CONST(s)) {
 
             Instrument *instrument =
                 m_studio->getInstrumentById(i->first);
@@ -1140,7 +1140,7 @@ AudioMixerWindow::slotFaderLevelChanged(float dB)
 void
 AudioMixerWindow::slotPanChanged(float pan)
 {
-    const TQObject *s = sender();
+    const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
 
     BussList busses = m_studio->getBusses();
 
@@ -1149,7 +1149,7 @@ AudioMixerWindow::slotPanChanged(float pan)
     for (FaderVector::iterator i = m_submasters.begin();
             i != m_submasters.end(); ++i) {
 
-        if (i->m_pan == s) {
+        if (TQT_BASE_OBJECT(i->m_pan) == TQT_BASE_OBJECT_CONST(s)) {
             if ((int)busses.size() > index) {
                 StudioControl::setStudioObjectProperty
                 (MappedObjectId(busses[index]->getMappedId()),
@@ -1168,7 +1168,7 @@ AudioMixerWindow::slotPanChanged(float pan)
     for (FaderMap::iterator i = m_faders.begin();
             i != m_faders.end(); ++i) {
 
-        if (i->second.m_pan == s) {
+        if (TQT_BASE_OBJECT(i->second.m_pan) == TQT_BASE_OBJECT_CONST(s)) {
 
             Instrument *instrument =
                 m_studio->getInstrumentById(i->first);
@@ -1208,7 +1208,7 @@ AudioMixerWindow::slotPanChanged(float pan)
 void
 AudioMixerWindow::slotChannelsChanged()
 {
-    const TQObject *s = sender();
+    const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
 
     // channels are only switchable on instruments
 
@@ -1218,7 +1218,7 @@ AudioMixerWindow::slotChannelsChanged()
     for (FaderMap::iterator i = m_faders.begin();
             i != m_faders.end(); ++i) {
 
-        if (s == i->second.m_stereoButton) {
+        if (TQT_BASE_OBJECT_CONST(s) == TQT_BASE_OBJECT(i->second.m_stereoButton)) {
 
             Instrument *instrument =
                 m_studio->getInstrumentById(i->first);
@@ -1322,7 +1322,7 @@ AudioMixerWindow::updateMonitorMeters(SequencerMapper *mapper)
     // only show monitor levels when quiescent or when recording (as
     // record levels)
     if (m_document->getSequenceManager() &&
-            m_document->getSequenceManager()->getTransportStatus() == PLAYING) {
+            m_document->getSequenceManager()->getTransporttqStatus() == PLAYING) {
         return ;
     }
 
@@ -1444,7 +1444,7 @@ AudioMixerWindow::slotControllerDeviceEventReceived(MappedEvent *e,
 void
 AudioMixerWindow::slotSetInputCountFromAction()
 {
-    const TQObject *s = sender();
+    const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
     TQString name = s->name();
 
     if (name.left(7) == "inputs_") {
@@ -1475,7 +1475,7 @@ AudioMixerWindow::slotSetInputCountFromAction()
 void
 AudioMixerWindow::slotSetSubmasterCountFromAction()
 {
-    const TQObject *s = sender();
+    const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
     TQString name = s->name();
 
     if (name.left(11) == "submasters_") {
@@ -1714,7 +1714,7 @@ AudioMixerWindow::slotToggleUnassignedFaders()
 void
 AudioMixerWindow::toggleNamedWidgets(bool show, const char* const name)
 {
-    TQLayoutIterator it = m_mainBox->layout()->iterator();
+    TQLayoutIterator it = m_mainBox->tqlayout()->iterator();
     TQLayoutItem *child;
     while ( (child = it.current()) != 0 ) {
         TQWidget * widget = child->widget();
diff --git a/src/gui/studio/AudioMixerWindow.h b/src/gui/studio/AudioMixerWindow.h
index cc3cd77..e5ec815 100644
--- a/src/gui/studio/AudioMixerWindow.h
+++ b/src/gui/studio/AudioMixerWindow.h
@@ -55,9 +55,10 @@ class AudioRouteMenu;
 class AudioMixerWindow : public MixerWindow
 {
     Q_OBJECT
+  TQ_OBJECT
 
 public:
-    AudioMixerWindow(TQWidget *parent, RosegardenGUIDoc *document);
+    AudioMixerWindow(TQWidget *tqparent, RosegardenGUIDoc *document);
     ~AudioMixerWindow();
 
     void updateMeters(SequencerMapper *mapper);
diff --git a/src/gui/studio/AudioPlugin.cpp b/src/gui/studio/AudioPlugin.cpp
index dd30472..c837fd7 100644
--- a/src/gui/studio/AudioPlugin.cpp
+++ b/src/gui/studio/AudioPlugin.cpp
@@ -52,7 +52,7 @@ AudioPlugin::AudioPlugin(const TQString &identifier,
         m_isSynth(isSynth),
         m_isGrouped(isGrouped),
         m_category(category),
-        m_colour(Qt::darkRed)
+        m_colour(TQt::darkRed)
 {}
 
 void
diff --git a/src/gui/studio/AudioPluginManager.h b/src/gui/studio/AudioPluginManager.h
index 9150f69..540f388 100644
--- a/src/gui/studio/AudioPluginManager.h
+++ b/src/gui/studio/AudioPluginManager.h
@@ -89,7 +89,7 @@ protected:
 
     bool removePlugin(const TQString &identifier);
 
-    class Enumerator : public QThread
+    class Enumerator : public TQThread
     {
     public:
         Enumerator(AudioPluginManager *);
diff --git a/src/gui/studio/AudioPluginOSCGUI.cpp b/src/gui/studio/AudioPluginOSCGUI.cpp
index d443acd..3fd2ffb 100644
--- a/src/gui/studio/AudioPluginOSCGUI.cpp
+++ b/src/gui/studio/AudioPluginOSCGUI.cpp
@@ -86,7 +86,7 @@ AudioPluginOSCGUI::~AudioPluginOSCGUI()
     quit();
 }
 
-QString
+TQString
 AudioPluginOSCGUI::getGUIFilePath(TQString identifier)
 {
     TQString type, soName, label;
diff --git a/src/gui/studio/AudioPluginOSCGUIManager.cpp b/src/gui/studio/AudioPluginOSCGUIManager.cpp
index e3d61d7..6662a53 100644
--- a/src/gui/studio/AudioPluginOSCGUIManager.cpp
+++ b/src/gui/studio/AudioPluginOSCGUIManager.cpp
@@ -329,7 +329,7 @@ AudioPluginOSCGUIManager::updateConfiguration(InstrumentId instrument, int posit
     m_guis[instrument][position]->sendConfiguration(key, value);
 }
 
-QString
+TQString
 AudioPluginOSCGUIManager::getOSCUrl(InstrumentId instrument, int position,
                                     TQString identifier)
 {
@@ -345,18 +345,18 @@ AudioPluginOSCGUIManager::getOSCUrl(InstrumentId instrument, int position,
         baseUrl += '/';
 
     TQString url = TQString("%1%2/%3/%4/%5/%6")
-                  .arg(baseUrl)
-                  .arg("plugin")
-                  .arg(type)
-                  .arg(instrument);
+                  .tqarg(baseUrl)
+                  .tqarg("plugin")
+                  .tqarg(type)
+                  .tqarg(instrument);
 
     if (position == int(Instrument::SYNTH_PLUGIN_POSITION)) {
-        url = url.arg("synth");
+        url = url.tqarg("synth");
     } else {
-        url = url.arg(position);
+        url = url.tqarg(position);
     }
 
-    url = url.arg(label);
+    url = url.tqarg(label);
 
     return url;
 }
@@ -435,7 +435,7 @@ AudioPluginOSCGUIManager::parseOSCPath(TQString path, InstrumentId &instrument,
     return true;
 }
 
-QString
+TQString
 AudioPluginOSCGUIManager::getFriendlyName(InstrumentId instrument, int position,
         TQString)
 {
@@ -444,10 +444,10 @@ AudioPluginOSCGUIManager::getFriendlyName(InstrumentId instrument, int position,
         return i18n("Rosegarden Plugin");
     else {
         if (position == int(Instrument::SYNTH_PLUGIN_POSITION)) {
-            return i18n("Rosegarden: %1").arg(strtoqstr(container->getPresentationName()));
+            return i18n("Rosegarden: %1").tqarg(strtoqstr(container->getPresentationName()));
         } else {
-            return i18n("Rosegarden: %1: %2").arg(strtoqstr(container->getPresentationName()))
-                   .arg(i18n("Plugin slot %1").arg(position));
+            return i18n("Rosegarden: %1: %2").tqarg(strtoqstr(container->getPresentationName()))
+                   .tqarg(i18n("Plugin slot %1").tqarg(position));
         }
     }
 }
diff --git a/src/gui/studio/BankEditorDialog.cpp b/src/gui/studio/BankEditorDialog.cpp
index 5c5c3d2..6103652 100644
--- a/src/gui/studio/BankEditorDialog.cpp
+++ b/src/gui/studio/BankEditorDialog.cpp
@@ -78,10 +78,10 @@
 namespace Rosegarden
 {
 
-BankEditorDialog::BankEditorDialog(TQWidget *parent,
+BankEditorDialog::BankEditorDialog(TQWidget *tqparent,
                                    RosegardenGUIDoc *doc,
                                    DeviceId defaultDevice):
-        KMainWindow(parent, "bankeditordialog"),
+        KMainWindow(tqparent, "bankeditordialog"),
         m_studio(&doc->getStudio()),
         m_doc(doc),
         m_copyBank(Device::NO_DEVICE, -1),
@@ -100,20 +100,20 @@ BankEditorDialog::BankEditorDialog(TQWidget *parent,
 
     TQFrame* btnBox = new TQFrame(mainFrame);
 
-    btnBox->setSizePolicy(TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Fixed));
+    btnBox->tqsetSizePolicy(TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Fixed));
 
-    TQHBoxLayout* layout = new TQHBoxLayout(btnBox, 4, 10);
+    TQHBoxLayout* tqlayout = new TQHBoxLayout(btnBox, 4, 10);
 
     m_closeButton = new TQPushButton(btnBox);
     m_applyButton = new TQPushButton(i18n("Apply"), btnBox);
     m_resetButton = new TQPushButton(i18n("Reset"), btnBox);
 
-    layout->addStretch(10);
-    layout->addWidget(m_applyButton);
-    layout->addWidget(m_resetButton);
-    layout->addSpacing(15);
-    layout->addWidget(m_closeButton);
-    layout->addSpacing(5);
+    tqlayout->addStretch(10);
+    tqlayout->addWidget(m_applyButton);
+    tqlayout->addWidget(m_resetButton);
+    tqlayout->addSpacing(15);
+    tqlayout->addWidget(m_closeButton);
+    tqlayout->addSpacing(5);
 
     connect(m_applyButton, TQT_SIGNAL(clicked()),
             this, TQT_SLOT(slotApply()));
@@ -206,8 +206,8 @@ BankEditorDialog::BankEditorDialog(TQWidget *parent,
     vboxLayout->addWidget(m_keyMappingEditor);
     m_keyMappingEditor->hide();
 
-    m_programEditor->setSizePolicy(TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Preferred));
-    m_keyMappingEditor->setSizePolicy(TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Preferred));
+    m_programEditor->tqsetSizePolicy(TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Preferred));
+    m_keyMappingEditor->tqsetSizePolicy(TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Preferred));
 
     m_optionBox = new TQVGroupBox(i18n("Options"), vbox);
     vboxLayout->addWidget(m_optionBox);
@@ -303,14 +303,14 @@ BankEditorDialog::~BankEditorDialog()
 void
 BankEditorDialog::setupActions()
 {
-    KAction* close = KStdAction::close (this, TQT_SLOT(slotFileClose()), actionCollection());
+    KAction* close = KStdAction::close (TQT_TQOBJECT(this), TQT_SLOT(slotFileClose()), actionCollection());
 
     m_closeButton->setText(close->text());
     connect(m_closeButton, TQT_SIGNAL(clicked()),
-            this, TQT_SLOT(slotFileClose()));
+            TQT_TQOBJECT(this), TQT_SLOT(slotFileClose()));
 
-    KStdAction::copy (this, TQT_SLOT(slotEditCopy()), actionCollection());
-    KStdAction::paste (this, TQT_SLOT(slotEditPaste()), actionCollection());
+    KStdAction::copy (TQT_TQOBJECT(this), TQT_SLOT(slotEditCopy()), actionCollection());
+    KStdAction::paste (TQT_TQOBJECT(this), TQT_SLOT(slotEditPaste()), actionCollection());
 
     // some adjustments
 
@@ -593,7 +593,7 @@ BankEditorDialog::updateDeviceItem(MidiDeviceListViewItem* deviceItem)
 
     // delete banks which are no longer present
     //
-    std::vector<TQListViewItem*> childrenToDelete;
+    std::vector<TQListViewItem*> tqchildrenToDelete;
 
     TQListViewItem* child = deviceItem->firstChild();
 
@@ -603,7 +603,7 @@ BankEditorDialog::updateDeviceItem(MidiDeviceListViewItem* deviceItem)
             dynamic_cast<MidiBankListViewItem *>(child);
         if (bankItem) {
             if (bankItem->getBank() >= int(banks.size()))
-                childrenToDelete.push_back(child);
+                tqchildrenToDelete.push_back(child);
             else { // update the banks MSB/LSB which might have changed
                 bankItem->setPercussion(banks[bankItem->getBank()].isPercussion());
                 bankItem->setMSB(banks[bankItem->getBank()].getMSB());
@@ -615,15 +615,15 @@ BankEditorDialog::updateDeviceItem(MidiDeviceListViewItem* deviceItem)
             dynamic_cast<MidiKeyMapListViewItem *>(child);
         if (keyItem) {
             if (!midiDevice->getKeyMappingByName(qstrtostr(keyItem->getName()))) {
-                childrenToDelete.push_back(child);
+                tqchildrenToDelete.push_back(child);
             }
         }
 
         child = child->nextSibling();
     }
 
-    for (unsigned int i = 0; i < childrenToDelete.size(); ++i)
-        delete childrenToDelete[i];
+    for (unsigned int i = 0; i < tqchildrenToDelete.size(); ++i)
+        delete tqchildrenToDelete[i];
 }
 
 bool
@@ -968,15 +968,15 @@ BankEditorDialog::getParentDeviceItem(TQListViewItem* item)
         return 0;
 
     if (dynamic_cast<MidiBankListViewItem*>(item))
-        // go up to the parent device item
-        item = item->parent();
+        // go up to the tqparent device item
+        item = item->tqparent();
 
     if (dynamic_cast<MidiKeyMapListViewItem*>(item))
-        // go up to the parent device item
-        item = item->parent();
+        // go up to the tqparent device item
+        item = item->tqparent();
 
     if (!item) {
-        RG_DEBUG << "BankEditorDialog::getParentDeviceItem : missing parent device item for bank item - this SHOULD NOT HAPPEN" << endl;
+        RG_DEBUG << "BankEditorDialog::getParentDeviceItem : missing tqparent device item for bank item - this SHOULD NOT HAPPEN" << endl;
         return 0;
     }
 
@@ -1045,7 +1045,7 @@ BankEditorDialog::slotAddKeyMapping()
             if (n == 1)
                 name = i18n("<new mapping>");
             else
-                name = i18n("<new mapping %1>").arg(n);
+                name = i18n("<new mapping %1>").tqarg(n);
         }
 
         MidiKeyMapping newKeyMapping(qstrtostr(name));
diff --git a/src/gui/studio/BankEditorDialog.h b/src/gui/studio/BankEditorDialog.h
index 6e36bef..4ab64ea 100644
--- a/src/gui/studio/BankEditorDialog.h
+++ b/src/gui/studio/BankEditorDialog.h
@@ -61,9 +61,10 @@ class MidiDevice;
 class BankEditorDialog : public KMainWindow
 {
     Q_OBJECT
+  TQ_OBJECT
 
 public:
-    BankEditorDialog(TQWidget *parent,
+    BankEditorDialog(TQWidget *tqparent,
                      RosegardenGUIDoc *doc,
                      DeviceId defaultDevice =
                      Device::NO_DEVICE);
diff --git a/src/gui/studio/ChangeRecordDeviceCommand.cpp b/src/gui/studio/ChangeRecordDeviceCommand.cpp
index 5f46eff..f596f1c 100644
--- a/src/gui/studio/ChangeRecordDeviceCommand.cpp
+++ b/src/gui/studio/ChangeRecordDeviceCommand.cpp
@@ -42,12 +42,12 @@ ChangeRecordDeviceCommand::swap()
         TQString sdevice = TQString::number(m_deviceId);
         if (m_action) 
         {
-            if(!devList.contains(sdevice))
+            if(!devList.tqcontains(sdevice))
                 devList.append(sdevice);
         }
         else
         {
-            if(devList.contains(sdevice))
+            if(devList.tqcontains(sdevice))
                 devList.remove(sdevice);
         }
         config->writeEntry("midirecorddevice", devList);
diff --git a/src/gui/studio/DeviceEditorDialog.cpp b/src/gui/studio/DeviceEditorDialog.cpp
index 9f45c31..66f371a 100644
--- a/src/gui/studio/DeviceEditorDialog.cpp
+++ b/src/gui/studio/DeviceEditorDialog.cpp
@@ -55,9 +55,9 @@
 namespace Rosegarden
 {
 
-DeviceEditorDialog::DeviceEditorDialog(TQWidget *parent,
+DeviceEditorDialog::DeviceEditorDialog(TQWidget *tqparent,
                                        RosegardenGUIDoc *document) :
-        KDialogBase(parent, "deviceeditordialog", true,
+        KDialogBase(tqparent, "deviceeditordialog", true,
                     i18n("Manage MIDI Devices"), Ok | Apply | Close, Ok, true),
         m_document(document),
         m_studio(&document->getStudio()),
@@ -145,7 +145,7 @@ DeviceEditorDialog::populate()
         MidiDevice *md = static_cast<MidiDevice *>(*it);
 
         // if you change this string ("Device %1"), change test in slotApply
-        TQString deviceName = i18n("Device %1").arg(md->getId() + 1);
+        TQString deviceName = i18n("Device %1").tqarg(md->getId() + 1);
         TQString deviceLabel = strtoqstr(md->getName());
         TQString connectionName = strtoqstr(md->getConnection());
 
@@ -221,7 +221,7 @@ DeviceEditorDialog::makeConnectionList(unsigned int direction,
 
         TQDataStream reply(replyData, IO_ReadOnly);
         TQString connection;
-        if (replyType == "TQString") {
+        if (replyType == TQSTRING_OBJECT_NAME_STRING) {
             reply >> connection;
             list.append(connection);
         }
diff --git a/src/gui/studio/DeviceEditorDialog.h b/src/gui/studio/DeviceEditorDialog.h
index 44247b3..7eea5a7 100644
--- a/src/gui/studio/DeviceEditorDialog.h
+++ b/src/gui/studio/DeviceEditorDialog.h
@@ -46,8 +46,9 @@ class RosegardenGUIDoc;
 class DeviceEditorDialog : public KDialogBase
 {
     Q_OBJECT
+  TQ_OBJECT
 public:
-    DeviceEditorDialog(TQWidget *parent, RosegardenGUIDoc *document);
+    DeviceEditorDialog(TQWidget *tqparent, RosegardenGUIDoc *document);
     ~DeviceEditorDialog();
 
     void setModified(bool value);
diff --git a/src/gui/studio/DeviceManagerDialog.cpp b/src/gui/studio/DeviceManagerDialog.cpp
index eb40c77..84aa0ca 100644
--- a/src/gui/studio/DeviceManagerDialog.cpp
+++ b/src/gui/studio/DeviceManagerDialog.cpp
@@ -83,9 +83,9 @@ static const int RECORD_CURRENT_COL = 1;
 static const int RECORD_CONNECTION_COL = 2;
 
 
-DeviceManagerDialog::DeviceManagerDialog(TQWidget *parent,
+DeviceManagerDialog::DeviceManagerDialog(TQWidget *tqparent,
             RosegardenGUIDoc *document) :
-            KMainWindow(parent, "deviceeditordialog"),
+            KMainWindow(tqparent, "deviceeditordialog"),
             m_document(document),
             m_studio(&document->getStudio())
     {
@@ -95,7 +95,7 @@ DeviceManagerDialog::DeviceManagerDialog(TQWidget *parent,
 
         setCaption(i18n("Manage MIDI Devices"));
 
-        TQGroupBox *groupBox = new TQGroupBox(2, Horizontal, i18n("Play devices"), mainBox);
+        TQGroupBox *groupBox = new TQGroupBox(2, Qt::Horizontal, i18n("Play devices"), mainBox);
 
         m_playTable = new TQTable(0, 2, groupBox);
         m_playTable->setSorting(false);
@@ -110,16 +110,16 @@ DeviceManagerDialog::DeviceManagerDialog(TQWidget *parent,
         m_playTable->setSelectionMode(TQTable::SingleRow);
 
         TQFrame *frame = new TQFrame(groupBox);
-        TQVBoxLayout *vlayout = new TQVBoxLayout(frame);
-        TQGrid *buttons = new TQGrid(2, Horizontal, frame);
+        TQVBoxLayout *vtqlayout = new TQVBoxLayout(frame);
+        TQGrid *buttons = new TQGrid(2, Qt::Horizontal, frame);
         TQPushButton *addButton = new TQPushButton(i18n("New"), buttons);
         m_deletePlayButton = new TQPushButton(i18n("Delete"), buttons);
         m_importButton = new TQPushButton(i18n("Import..."), buttons);
         m_exportButton = new TQPushButton(i18n("Export..."), buttons);
         m_banksButton = new TQPushButton(i18n("Banks..."), buttons);
         m_controllersButton = new TQPushButton(i18n("Control Events..."), buttons);
-        vlayout->addWidget(buttons);
-        vlayout->addStretch(10);
+        vtqlayout->addWidget(buttons);
+        vtqlayout->addStretch(10);
 
         TQToolTip::add
             (addButton,
@@ -153,7 +153,7 @@ DeviceManagerDialog::DeviceManagerDialog(TQWidget *parent,
                 this, TQT_SLOT(slotPlayDeviceSelected (int, int)));
 
         mainLayout->addWidget(groupBox);
-        groupBox = new TQGroupBox(2, Horizontal, i18n("Record devices"), mainBox);
+        groupBox = new TQGroupBox(2, Qt::Horizontal, i18n("Record devices"), mainBox);
 
         m_recordTable = new TQTable(0, 3, groupBox);
         m_recordTable->setSorting(false);
@@ -169,12 +169,12 @@ DeviceManagerDialog::DeviceManagerDialog(TQWidget *parent,
         m_recordTable->setSelectionMode(TQTable::SingleRow);
 
         frame = new TQFrame(groupBox);
-        vlayout = new TQVBoxLayout(frame);
-        buttons = new TQGrid(2, Horizontal, frame);
+        vtqlayout = new TQVBoxLayout(frame);
+        buttons = new TQGrid(2, Qt::Horizontal, frame);
         addButton = new TQPushButton(i18n("New"), buttons);
         m_deleteRecordButton = new TQPushButton(i18n("Delete"), buttons);
-        vlayout->addWidget(buttons);
-        vlayout->addStretch(10);
+        vtqlayout->addWidget(buttons);
+        vtqlayout->addStretch(10);
 
         TQToolTip::add
             (addButton,
@@ -204,17 +204,17 @@ DeviceManagerDialog::DeviceManagerDialog(TQWidget *parent,
 
         TQFrame* btnBox = new TQFrame(mainBox);
 
-        btnBox->setSizePolicy(
+        btnBox->tqsetSizePolicy(
             TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Fixed));
 
         TQPushButton *closeButton = new TQPushButton(i18n("Close"), btnBox);
 
-        TQHBoxLayout* layout = new TQHBoxLayout(btnBox, 0, 10);
-        layout->addStretch(10);
-        layout->addWidget(closeButton);
-        layout->addSpacing(5);
+        TQHBoxLayout* tqlayout = new TQHBoxLayout(btnBox, 0, 10);
+        tqlayout->addStretch(10);
+        tqlayout->addWidget(closeButton);
+        tqlayout->addSpacing(5);
 
-        KAction* close = KStdAction::close(this,
+        KAction* close = KStdAction::close(TQT_TQOBJECT(this),
                                            TQT_SLOT(slotClose()),
                                            actionCollection());
 
@@ -326,7 +326,7 @@ DeviceManagerDialog::DeviceManagerDialog(TQWidget *parent,
 
             m_playTable->insertRows(deviceCount, 1);
 
-            TQString deviceName = i18n("%1").arg(deviceCount + 1);
+            TQString deviceName = i18n("%1").tqarg(deviceCount + 1);
             TQString connectionName = strtoqstr((*it)->getConnection());
 
             m_playTable->setText(deviceCount, PLAY_NAME_COL,
@@ -360,7 +360,7 @@ DeviceManagerDialog::DeviceManagerDialog(TQWidget *parent,
 
             m_recordTable->insertRows(deviceCount, 1);
 
-            TQString deviceName = i18n("%1").arg(deviceCount + 1);
+            TQString deviceName = i18n("%1").tqarg(deviceCount + 1);
             TQString connectionName = strtoqstr((*it)->getConnection());
 
             m_recordTable->setText(deviceCount, RECORD_NAME_COL,
@@ -443,7 +443,7 @@ DeviceManagerDialog::DeviceManagerDialog(TQWidget *parent,
 
             TQDataStream reply(replyData, IO_ReadOnly);
             TQString connection;
-            if (replyType == "TQString") {
+            if (replyType == TQSTRING_OBJECT_NAME_STRING) {
                 reply >> connection;
                 list.append(connection);
             }
diff --git a/src/gui/studio/DeviceManagerDialog.h b/src/gui/studio/DeviceManagerDialog.h
index 84dceab..09e908d 100644
--- a/src/gui/studio/DeviceManagerDialog.h
+++ b/src/gui/studio/DeviceManagerDialog.h
@@ -50,8 +50,9 @@ class MidiDevice;
 class DeviceManagerDialog : public KMainWindow
 {
     Q_OBJECT
+  TQ_OBJECT
 public:
-    DeviceManagerDialog(TQWidget *parent, RosegardenGUIDoc *document);
+    DeviceManagerDialog(TQWidget *tqparent, RosegardenGUIDoc *document);
     ~DeviceManagerDialog();
 
     void setModified(bool value);
diff --git a/src/gui/studio/MidiBankListViewItem.cpp b/src/gui/studio/MidiBankListViewItem.cpp
index d3c9fb5..bb15ed4 100644
--- a/src/gui/studio/MidiBankListViewItem.cpp
+++ b/src/gui/studio/MidiBankListViewItem.cpp
@@ -37,10 +37,10 @@ namespace Rosegarden
 
 MidiBankListViewItem::MidiBankListViewItem(DeviceId deviceId,
         int bankNb,
-        TQListViewItem* parent,
+        TQListViewItem* tqparent,
         TQString name,
         bool percussion, int msb, int lsb)
-        : MidiDeviceListViewItem(deviceId, parent, name, percussion, msb, lsb),
+        : MidiDeviceListViewItem(deviceId, tqparent, name, percussion, msb, lsb),
         m_percussion(percussion),
         m_bankNb(bankNb)
 {}
@@ -86,7 +86,7 @@ int MidiBankListViewItem::compare(TQListViewItem *i, int col, bool ascending) co
         }
     }
 
-    // 'ascending' should be ignored according to Qt docs
+    // 'ascending' should be ignored according to TQt docs
     //
     return
         thisVal > otherVal ? 1 :
diff --git a/src/gui/studio/MidiBankListViewItem.h b/src/gui/studio/MidiBankListViewItem.h
index 5d42160..a160374 100644
--- a/src/gui/studio/MidiBankListViewItem.h
+++ b/src/gui/studio/MidiBankListViewItem.h
@@ -44,7 +44,7 @@ class MidiBankListViewItem : public MidiDeviceListViewItem
 public:
     MidiBankListViewItem(DeviceId deviceId,
                          int bankNb,
-                         TQListViewItem* parent, TQString name,
+                         TQListViewItem* tqparent, TQString name,
                          bool percussion,
                          int msb, int lsb);
 
diff --git a/src/gui/studio/MidiDeviceListViewItem.cpp b/src/gui/studio/MidiDeviceListViewItem.cpp
index 21a8cda..723e6fa 100644
--- a/src/gui/studio/MidiDeviceListViewItem.cpp
+++ b/src/gui/studio/MidiDeviceListViewItem.cpp
@@ -35,24 +35,24 @@ namespace Rosegarden
 {
 
 MidiDeviceListViewItem::MidiDeviceListViewItem(DeviceId deviceId,
-        TQListView* parent, TQString name)
-        : KListViewItem(parent, name),
+        TQListView* tqparent, TQString name)
+        : KListViewItem(tqparent, name),
         m_deviceId(deviceId)
 {}
 
 MidiDeviceListViewItem::MidiDeviceListViewItem(DeviceId deviceId,
-        TQListViewItem* parent, TQString name,
+        TQListViewItem* tqparent, TQString name,
         bool percussion,
         int msb, int lsb)
-        : KListViewItem(parent, name,
+        : KListViewItem(tqparent, name,
                         TQString(percussion ? i18n("Percussion Bank") : i18n("Bank")),
                         TQString().setNum(msb), TQString().setNum(lsb)),
         m_deviceId(deviceId)
 {}
 
 MidiDeviceListViewItem::MidiDeviceListViewItem(DeviceId deviceId,
-        TQListViewItem* parent, TQString name)
-: KListViewItem(parent, name, i18n("Key Mapping"), "", ""),
+        TQListViewItem* tqparent, TQString name)
+: KListViewItem(tqparent, name, i18n("Key Mapping"), "", ""),
 m_deviceId(deviceId)
 {}
 
@@ -78,7 +78,7 @@ int MidiDeviceListViewItem::compare(TQListViewItem *i, int col, bool ascending)
         }
     }
 
-    // 'ascending' should be ignored according to Qt docs
+    // 'ascending' should be ignored according to TQt docs
     //
     return (thisVal > otherVal) ? 1 : -1;
 
diff --git a/src/gui/studio/MidiDeviceListViewItem.h b/src/gui/studio/MidiDeviceListViewItem.h
index a17a46c..554c62e 100644
--- a/src/gui/studio/MidiDeviceListViewItem.h
+++ b/src/gui/studio/MidiDeviceListViewItem.h
@@ -41,17 +41,17 @@ class MidiDeviceListViewItem : public KListViewItem
 public:
     // Device
     MidiDeviceListViewItem(DeviceId id,
-                           TQListView* parent, TQString name);
+                           TQListView* tqparent, TQString name);
 
     // Bank
     MidiDeviceListViewItem(DeviceId id,
-                           TQListViewItem* parent, TQString name,
+                           TQListViewItem* tqparent, TQString name,
                            bool percussion,
                            int msb, int lsb);
 
     // Key Mapping
     MidiDeviceListViewItem(DeviceId id,
-                           TQListViewItem* parent, TQString name);
+                           TQListViewItem* tqparent, TQString name);
 
     DeviceId getDeviceId() const { return m_deviceId; }
 
diff --git a/src/gui/studio/MidiKeyMapListViewItem.cpp b/src/gui/studio/MidiKeyMapListViewItem.cpp
index dd77055..93c1532 100644
--- a/src/gui/studio/MidiKeyMapListViewItem.cpp
+++ b/src/gui/studio/MidiKeyMapListViewItem.cpp
@@ -36,9 +36,9 @@ namespace Rosegarden
 {
 
 MidiKeyMapListViewItem::MidiKeyMapListViewItem(DeviceId deviceId,
-        TQListViewItem* parent,
+        TQListViewItem* tqparent,
         TQString name)
-        : MidiDeviceListViewItem(deviceId, parent, name),
+        : MidiDeviceListViewItem(deviceId, tqparent, name),
         m_name(name)
 {
     setText(1, i18n("Key Mapping"));
diff --git a/src/gui/studio/MidiKeyMapListViewItem.h b/src/gui/studio/MidiKeyMapListViewItem.h
index d29b0a6..c658e73 100644
--- a/src/gui/studio/MidiKeyMapListViewItem.h
+++ b/src/gui/studio/MidiKeyMapListViewItem.h
@@ -43,7 +43,7 @@ class MidiKeyMapListViewItem : public MidiDeviceListViewItem
 {
 public:
     MidiKeyMapListViewItem(DeviceId deviceId,
-                           TQListViewItem* parent, TQString name);
+                           TQListViewItem* tqparent, TQString name);
 
     virtual int compare(TQListViewItem *i, int col, bool ascending) const;
 
diff --git a/src/gui/studio/MidiKeyMappingEditor.cpp b/src/gui/studio/MidiKeyMappingEditor.cpp
index a9e347c..93fd33f 100644
--- a/src/gui/studio/MidiKeyMappingEditor.cpp
+++ b/src/gui/studio/MidiKeyMappingEditor.cpp
@@ -51,11 +51,11 @@ namespace Rosegarden
 {
 
 MidiKeyMappingEditor::MidiKeyMappingEditor(BankEditorDialog* bankEditor,
-        TQWidget* parent,
+        TQWidget* tqparent,
         const char* name)
         : NameSetEditor(bankEditor,
                         i18n("Key Mapping details"),
-                        parent, name, i18n("Pitches"), false),
+                        tqparent, name, i18n("Pitches"), false),
         m_device(0)
 {
     TQWidget *additionalWidget = makeAdditionalWidget(m_mainFrame);
@@ -65,7 +65,7 @@ MidiKeyMappingEditor::MidiKeyMappingEditor(BankEditorDialog* bankEditor,
 }
 
 TQWidget *
-MidiKeyMappingEditor::makeAdditionalWidget(TQWidget *parent)
+MidiKeyMappingEditor::makeAdditionalWidget(TQWidget *tqparent)
 {
     return 0;
 }
@@ -162,7 +162,7 @@ MidiKeyMappingEditor::slotNameChanged(const TQString& name)
         return ;
     }
 
-    TQString senderName = sender()->name();
+    TQString senderName = TQT_TQOBJECT_CONST(sender())->name();
 
     // Adjust value back to zero rated
     //
diff --git a/src/gui/studio/MidiKeyMappingEditor.h b/src/gui/studio/MidiKeyMappingEditor.h
index 563501e..4f10ea6 100644
--- a/src/gui/studio/MidiKeyMappingEditor.h
+++ b/src/gui/studio/MidiKeyMappingEditor.h
@@ -46,10 +46,11 @@ class BankEditorDialog;
 class MidiKeyMappingEditor : public NameSetEditor
 {
     Q_OBJECT
+  TQ_OBJECT
 
 public:
     MidiKeyMappingEditor(BankEditorDialog *bankEditor,
-                         TQWidget *parent,
+                         TQWidget *tqparent,
                          const char *name = 0);
 
     void clearAll();
@@ -62,7 +63,7 @@ public slots:
     virtual void slotEntryButtonPressed();
 
 protected:
-    virtual TQWidget *makeAdditionalWidget(TQWidget *parent);
+    virtual TQWidget *makeAdditionalWidget(TQWidget *tqparent);
     void blockAllSignals(bool block);
 
     //--------------- Data members ---------------------------------
diff --git a/src/gui/studio/MidiMixerVUMeter.cpp b/src/gui/studio/MidiMixerVUMeter.cpp
index b882dec..8f1e1e5 100644
--- a/src/gui/studio/MidiMixerVUMeter.cpp
+++ b/src/gui/studio/MidiMixerVUMeter.cpp
@@ -32,14 +32,14 @@
 namespace Rosegarden
 {
 
-MidiMixerVUMeter::MidiMixerVUMeter(TQWidget *parent,
+MidiMixerVUMeter::MidiMixerVUMeter(TQWidget *tqparent,
                                    VUMeterType type,
                                    int width,
                                    int height,
                                    const char *name):
-        VUMeter(parent, type, false, false, width, height, VUMeter::Vertical, name)
+        VUMeter(tqparent, type, false, false, width, height, VUMeter::Vertical, name)
 {
-    setAlignment(AlignCenter);
+    tqsetAlignment(AlignCenter);
 }
 
 void
diff --git a/src/gui/studio/MidiMixerVUMeter.h b/src/gui/studio/MidiMixerVUMeter.h
index 70622b2..4af8e81 100644
--- a/src/gui/studio/MidiMixerVUMeter.h
+++ b/src/gui/studio/MidiMixerVUMeter.h
@@ -40,7 +40,7 @@ namespace Rosegarden
 class MidiMixerVUMeter : public VUMeter
 {
 public:
-    MidiMixerVUMeter(TQWidget *parent = 0,
+    MidiMixerVUMeter(TQWidget *tqparent = 0,
                      VUMeterType type = Plain,
                      int width = 0,
                      int height = 0,
diff --git a/src/gui/studio/MidiMixerWindow.cpp b/src/gui/studio/MidiMixerWindow.cpp
index 047ba39..cb65b09 100644
--- a/src/gui/studio/MidiMixerWindow.cpp
+++ b/src/gui/studio/MidiMixerWindow.cpp
@@ -63,66 +63,66 @@
 namespace Rosegarden
 {
 
-MidiMixerWindow::MidiMixerWindow(TQWidget *parent,
+MidiMixerWindow::MidiMixerWindow(TQWidget *tqparent,
                                  RosegardenGUIDoc *document):
-        MixerWindow(parent, document),
+        MixerWindow(tqparent, document),
         m_tabFrame(0)
 {
     // Initial setup
     //
     setupTabs();
 
-    KStdAction::close(this,
+    KStdAction::close(TQT_TQOBJECT(this),
                       TQT_SLOT(slotClose()),
                       actionCollection());
 
-    TQIconSet icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    TQIconSet icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                              ("transport-play")));
-    KAction *play = new KAction(i18n("&Play"), icon, Key_Enter, this,
+    KAction *play = new KAction(i18n("&Play"), icon, Key_Enter, TQT_TQOBJECT(this),
                 TQT_SIGNAL(play()), actionCollection(), "play");
     // Alternative shortcut for Play
     KShortcut playShortcut = play->shortcut();
     playShortcut.append( KKey(Key_Return + CTRL) );
     play->setShortcut(playShortcut);
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-stop")));
-    new KAction(i18n("&Stop"), icon, Key_Insert, this,
+    new KAction(i18n("&Stop"), icon, Key_Insert, TQT_TQOBJECT(this),
                 TQT_SIGNAL(stop()), actionCollection(), "stop");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-rewind")));
-    new KAction(i18n("Re&wind"), icon, Key_End, this,
+    new KAction(i18n("Re&wind"), icon, Key_End, TQT_TQOBJECT(this),
                 TQT_SIGNAL(rewindPlayback()), actionCollection(),
                 "playback_pointer_back_bar");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-ffwd")));
-    new KAction(i18n("&Fast Forward"), icon, Key_PageDown, this,
+    new KAction(i18n("&Fast Forward"), icon, Key_PageDown, TQT_TQOBJECT(this),
                 TQT_SIGNAL(fastForwardPlayback()), actionCollection(),
                 "playback_pointer_forward_bar");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-rewind-end")));
-    new KAction(i18n("Rewind to &Beginning"), icon, 0, this,
+    new KAction(i18n("Rewind to &Beginning"), icon, 0, TQT_TQOBJECT(this),
                 TQT_SIGNAL(rewindPlaybackToBeginning()), actionCollection(),
                 "playback_pointer_start");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-ffwd-end")));
-    new KAction(i18n("Fast Forward to &End"), icon, 0, this,
+    new KAction(i18n("Fast Forward to &End"), icon, 0, TQT_TQOBJECT(this),
                 TQT_SIGNAL(fastForwardPlaybackToEnd()), actionCollection(),
                 "playback_pointer_end");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-record")));
-    new KAction(i18n("&Record"), icon, 0, this,
+    new KAction(i18n("&Record"), icon, 0, TQT_TQOBJECT(this),
                 TQT_SIGNAL(record()), actionCollection(),
                 "record");
 
-    icon = TQIconSet(NotePixmapFactory::toQPixmap(NotePixmapFactory::makeToolbarPixmap
+    icon = TQIconSet(NotePixmapFactory::toTQPixmap(NotePixmapFactory::makeToolbarPixmap
                     ("transport-panic")));
-    new KAction(i18n("Panic"), icon, Key_P + CTRL + ALT, this,
+    new KAction(i18n("Panic"), icon, Key_P + CTRL + ALT, TQT_TQOBJECT(this),
                 TQT_SIGNAL(panic()), actionCollection(),
                 "panic");
 
@@ -171,39 +171,39 @@ MidiMixerWindow::setupTabs()
             m_tabFrame->setFrameStyle(TQFrame::TabWidgetPanel);
             m_tabFrame->setMargin(10);
 
-            TQGridLayout *mainLayout = new QGridLayout
+            TQGridLayout *mainLayout = new TQGridLayout
                                       (m_tabFrame, instruments.size() + 4, controls.size() + 4, 5);
 
             // MIDI Mixer label
             //
             //TQLabel *label = new TQLabel(TQString("%1 %2").
             //arg(strtoqstr(dev->getName()))
-            //.arg(i18n("MIDI Mixer")), m_tabFrame);
+            //.tqarg(i18n("MIDI Mixer")), m_tabFrame);
 
             TQLabel *label = new TQLabel("", m_tabFrame);
-            mainLayout->addMultiCellWidget(label, 0, 0, 0, 16, Qt::AlignCenter);
+            mainLayout->addMultiCellWidget(label, 0, 0, 0, 16, TQt::AlignCenter);
 
             // control labels
             for (unsigned int i = 0; i < controls.size(); ++i) {
                 label = new TQLabel(strtoqstr(controls[i].getName()), m_tabFrame);
-                mainLayout->addWidget(label, i + 1, 0, Qt::AlignCenter);
+                mainLayout->addWidget(label, i + 1, 0, TQt::AlignCenter);
             }
 
             // meter label
             //
             //label = new TQLabel(i18n("Meter"), m_tabFrame);
             //mainLayout->addWidget(label,
-            //controls.size() + 1, 0, Qt::AlignCenter);
+            //controls.size() + 1, 0, TQt::AlignCenter);
 
             // volume label
             label = new TQLabel(i18n("Volume"), m_tabFrame);
             mainLayout->addWidget(label, controls.size() + 2, 0,
-                                  Qt::AlignCenter);
+                                  TQt::AlignCenter);
 
             // instrument label
             label = new TQLabel(i18n("Instrument"), m_tabFrame);
             mainLayout->addWidget(label, controls.size() + 3, 0,
-                                  Qt::AlignCenter);
+                                  TQt::AlignCenter);
 
             int posCount = 1;
             int firstInstrument = -1;
@@ -223,7 +223,7 @@ MidiMixerWindow::setupTabs()
                 // Add the controls
                 //
                 for (unsigned int i = 0; i < controls.size(); ++i) {
-                    TQColor knobColour = Qt::white;
+                    TQColor knobColour = TQt::white;
 
                     if (controls[i].getColourIndex() > 0) {
                         Colour c =
@@ -252,7 +252,7 @@ MidiMixerWindow::setupTabs()
                             this, TQT_SLOT(slotControllerChanged(float)));
 
                     mainLayout->addWidget(controller, i + 1, posCount,
-                                          Qt::AlignCenter);
+                                          TQt::AlignCenter);
 
                     // Store the rotary
                     //
@@ -267,7 +267,7 @@ MidiMixerWindow::setupTabs()
                     new MidiMixerVUMeter(m_tabFrame,
                                          VUMeter::FixedHeightVisiblePeakHold, 6, 30);
                 mainLayout->addWidget(meter, controls.size() + 1,
-                                      posCount, Qt::AlignCenter);
+                                      posCount, TQt::AlignCenter);
                 m_faders[faderCount]->m_vuMeter = meter;
 
                 // Volume fader
@@ -275,7 +275,7 @@ MidiMixerWindow::setupTabs()
                 Fader *fader =
                     new Fader(0, 127, 100, 20, 80, m_tabFrame);
                 mainLayout->addWidget(fader, controls.size() + 2,
-                                      posCount, Qt::AlignCenter);
+                                      posCount, TQt::AlignCenter);
                 m_faders[faderCount]->m_volumeFader = fader;
                 //fader->setFader(float((*iIt)->getVolume()));
 
@@ -286,7 +286,7 @@ MidiMixerWindow::setupTabs()
                                              m_tabFrame, "idLabel");
 
                 mainLayout->addWidget(idLabel, controls.size() + 3,
-                                      posCount, Qt::AlignCenter);
+                                      posCount, TQt::AlignCenter);
 
                 // store id in struct
                 m_faders[faderCount]->m_id = (*iIt)->getId();
@@ -306,8 +306,8 @@ MidiMixerWindow::setupTabs()
                 faderCount++;
             }
 
-            TQString name = TQString("%1 (%2)").arg(strtoqstr(dev->getName()))
-                           .arg(deviceCount++);
+            TQString name = TQString("%1 (%2)").tqarg(strtoqstr(dev->getName()))
+                           .tqarg(deviceCount++);
 
             addTab(m_tabFrame, name);
         }
@@ -323,11 +323,11 @@ MidiMixerWindow::addTab(TQWidget *tab, const TQString &title)
 void
 MidiMixerWindow::slotFaderLevelChanged(float value)
 {
-    const TQObject *s = sender();
+    const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
 
     for (FaderVector::const_iterator it = m_faders.begin();
             it != m_faders.end(); ++it) {
-        if ((*it)->m_volumeFader == s) {
+        if (TQT_BASE_OBJECT((*it)->m_volumeFader) == TQT_BASE_OBJECT_CONST(s)) {
             Instrument *instr = m_studio->
                                 getInstrumentById((*it)->m_id);
 
@@ -376,12 +376,12 @@ MidiMixerWindow::slotFaderLevelChanged(float value)
 void
 MidiMixerWindow::slotControllerChanged(float value)
 {
-    const TQObject *s = sender();
+    const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
     unsigned int i = 0, j = 0;
 
     for (i = 0; i < m_faders.size(); ++i) {
         for (j = 0; j < m_faders[i]->m_controllerRotaries.size(); ++j) {
-            if (m_faders[i]->m_controllerRotaries[j].second == s)
+            if (TQT_BASE_OBJECT(m_faders[i]->m_controllerRotaries[j].second) == TQT_BASE_OBJECT_CONST(s))
                 break;
         }
 
diff --git a/src/gui/studio/MidiMixerWindow.h b/src/gui/studio/MidiMixerWindow.h
index 28ab9e3..8b98364 100644
--- a/src/gui/studio/MidiMixerWindow.h
+++ b/src/gui/studio/MidiMixerWindow.h
@@ -51,9 +51,10 @@ class Fader;
 class MidiMixerWindow : public MixerWindow
 {
     Q_OBJECT
+  TQ_OBJECT
 
 public:
-    MidiMixerWindow(TQWidget *parent, RosegardenGUIDoc *document);
+    MidiMixerWindow(TQWidget *tqparent, RosegardenGUIDoc *document);
 
     /**
      * Setup the tabs on the Mixer according to the Studio
diff --git a/src/gui/studio/MidiProgramsEditor.cpp b/src/gui/studio/MidiProgramsEditor.cpp
index e69b1a9..08c0114 100644
--- a/src/gui/studio/MidiProgramsEditor.cpp
+++ b/src/gui/studio/MidiProgramsEditor.cpp
@@ -60,11 +60,11 @@ namespace Rosegarden
 {
 
 MidiProgramsEditor::MidiProgramsEditor(BankEditorDialog* bankEditor,
-                                       TQWidget* parent,
+                                       TQWidget* tqparent,
                                        const char* name)
         : NameSetEditor(bankEditor,
                         i18n("Bank and Program details"),
-                        parent, name, i18n("Programs"), true),
+                        tqparent, name, i18n("Programs"), true),
         m_device(0),
         m_bankList(bankEditor->getBankList()),
         m_programList(bankEditor->getProgramList()),
@@ -77,9 +77,9 @@ MidiProgramsEditor::MidiProgramsEditor(BankEditorDialog* bankEditor,
 }
 
 TQWidget *
-MidiProgramsEditor::makeAdditionalWidget(TQWidget *parent)
+MidiProgramsEditor::makeAdditionalWidget(TQWidget *tqparent)
 {
-    TQFrame *frame = new TQFrame(parent);
+    TQFrame *frame = new TQFrame(tqparent);
 
     m_percussion = new TQCheckBox(frame);
     m_msb = new TQSpinBox(frame);
@@ -251,7 +251,7 @@ MidiProgramsEditor::populate(TQListViewItem* item)
                     getEntryButton(i)->setPixmap(keyPixmap);
                     TQToolTip::add
                         (getEntryButton(i),
-                                i18n("Key Mapping: %1").arg(
+                                i18n("Key Mapping: %1").tqarg(
                                     strtoqstr(m_device->getKeyMappingForProgram(*it)->getName())));
                 }
 
@@ -391,7 +391,7 @@ MidiProgramsEditor::slotNameChanged(const TQString& programName)
         return ;
     }
 
-    TQString senderName = sender()->name();
+    TQString senderName = TQT_TQOBJECT_CONST(sender())->name();
 
     // Adjust value back to zero rated
     //
@@ -444,9 +444,9 @@ MidiProgramsEditor::slotNameChanged(const TQString& programName)
 void
 MidiProgramsEditor::slotEntryButtonPressed()
 {
-    TQPushButton* button = dynamic_cast<TQPushButton*>(const_cast<TQObject *>(sender()));
+    TQPushButton* button = dynamic_cast<TQPushButton*>(TQT_TQWIDGET(const_cast<TQT_BASE_OBJECT_NAME*>(sender())));
     if (!button) {
-        RG_DEBUG << "MidiProgramsEditor::slotEntryButtonPressed() : %%% ERROR - signal sender is not a QPushButton\n";
+        RG_DEBUG << "MidiProgramsEditor::slotEntryButtonPressed() : %%% ERROR - signal sender is not a TQPushButton\n";
         return ;
     }
 
@@ -538,7 +538,7 @@ MidiProgramsEditor::slotEntryMenuItemSelected(int i)
             btn->setPixmap(TQPixmap(file));
         }
         TQToolTip::add
-            (btn, i18n("Key Mapping: %1").arg(strtoqstr(newMapping)));
+            (btn, i18n("Key Mapping: %1").tqarg(strtoqstr(newMapping)));
     }
     btn->setEnabled(haveKeyMappings);
 }
diff --git a/src/gui/studio/MidiProgramsEditor.h b/src/gui/studio/MidiProgramsEditor.h
index 64375cb..a71ca5a 100644
--- a/src/gui/studio/MidiProgramsEditor.h
+++ b/src/gui/studio/MidiProgramsEditor.h
@@ -49,9 +49,10 @@ class BankEditorDialog;
 class MidiProgramsEditor : public NameSetEditor
 {
     Q_OBJECT
+  TQ_OBJECT
 public:
     MidiProgramsEditor(BankEditorDialog *bankEditor,
-                       TQWidget *parent,
+                       TQWidget *tqparent,
                        const char *name = 0);
 
     void clearAll();
@@ -93,7 +94,7 @@ protected:
 
     void setBankName(const TQString& s);
 
-    virtual TQWidget *makeAdditionalWidget(TQWidget *parent);
+    virtual TQWidget *makeAdditionalWidget(TQWidget *tqparent);
 
     void blockAllSignals(bool block);
 
diff --git a/src/gui/studio/MixerWindow.cpp b/src/gui/studio/MixerWindow.cpp
index d0c233a..e27299d 100644
--- a/src/gui/studio/MixerWindow.cpp
+++ b/src/gui/studio/MixerWindow.cpp
@@ -37,9 +37,9 @@
 namespace Rosegarden
 {
 
-MixerWindow::MixerWindow(TQWidget *parent,
+MixerWindow::MixerWindow(TQWidget *tqparent,
                          RosegardenGUIDoc *document) :
-        KMainWindow(parent, "mixerwindow"),
+        KMainWindow(tqparent, "mixerwindow"),
         m_document(document),
         m_studio(&document->getStudio()),
         m_currentId(0)
diff --git a/src/gui/studio/MixerWindow.h b/src/gui/studio/MixerWindow.h
index 94d8bee..f4ff441 100644
--- a/src/gui/studio/MixerWindow.h
+++ b/src/gui/studio/MixerWindow.h
@@ -45,9 +45,10 @@ class RosegardenGUIDoc;
 class MixerWindow: public KMainWindow
 {
     Q_OBJECT
+  TQ_OBJECT
 
 public:
-    MixerWindow(TQWidget *parent, RosegardenGUIDoc *document);
+    MixerWindow(TQWidget *tqparent, RosegardenGUIDoc *document);
     TQAccel* getAccelerators() { return m_accelerators; }
 
 signals:
diff --git a/src/gui/studio/NameSetEditor.cpp b/src/gui/studio/NameSetEditor.cpp
index 6fa9bbe..396112d 100644
--- a/src/gui/studio/NameSetEditor.cpp
+++ b/src/gui/studio/NameSetEditor.cpp
@@ -48,11 +48,11 @@ namespace Rosegarden
 
 NameSetEditor::NameSetEditor(BankEditorDialog* bankEditor,
                              TQString title,
-                             TQWidget* parent,
+                             TQWidget* tqparent,
                              const char* name,
                              TQString headingPrefix,
                              bool showEntryButtons)
-        : TQVGroupBox(title, parent, name),
+        : TQVGroupBox(title, tqparent, name),
         m_bankEditor(bankEditor),
         m_mainFrame(new TQFrame(this))
 {
@@ -99,7 +99,7 @@ NameSetEditor::NameSetEditor(BankEditorDialog* bankEditor,
 
             for (unsigned int row = 0; row < 128 / (tabs*cols); ++row) {
                 numBox = new TQHBox(v);
-                TQString numberText = TQString("%1").arg(labelId + 1);
+                TQString numberText = TQString("%1").tqarg(labelId + 1);
 
                 if (tab == 0 && col == 0 && row == 0) {
                     // Initial label; button to adjust whether labels start at 0 or 1
@@ -111,7 +111,7 @@ NameSetEditor::NameSetEditor(BankEditorDialog* bankEditor,
                 } else {
                     TQLabel *label = new TQLabel(numberText, numBox);
                     label->setFixedWidth(40);
-                    label->setAlignment(AlignCenter);
+                    label->tqsetAlignment(AlignCenter);
                     m_labels.push_back(label);
                 }
 
@@ -178,11 +178,11 @@ NameSetEditor::slotToggleInitialLabel()
     else
         index = 0;
 
-    m_initialLabel->setText(TQString("%1").arg(index++));
+    m_initialLabel->setText(TQString("%1").tqarg(index++));
     for (std::vector<TQLabel*>::iterator it( m_labels.begin() );
             it != m_labels.end();
             ++it) {
-        (*it)->setText(TQString("%1").arg(index++));
+        (*it)->setText(TQString("%1").tqarg(index++));
     }
 }
 
diff --git a/src/gui/studio/NameSetEditor.h b/src/gui/studio/NameSetEditor.h
index 8fd33ef..cef94a2 100644
--- a/src/gui/studio/NameSetEditor.h
+++ b/src/gui/studio/NameSetEditor.h
@@ -47,9 +47,10 @@ namespace Rosegarden
 class BankEditorDialog;
 
 
-class NameSetEditor : public QVGroupBox
+class NameSetEditor : public TQVGroupBox
 {
     Q_OBJECT
+  TQ_OBJECT
 public:
     virtual void clearAll() = 0;
 
@@ -64,7 +65,7 @@ public slots:
 protected:
     NameSetEditor(BankEditorDialog *bankEditor,
                   TQString title,
-                  TQWidget *parent,
+                  TQWidget *tqparent,
                   const char *name,
                   TQString headingPrefix = "",
                   bool showEntryButtons = false);
diff --git a/src/gui/studio/RemapInstrumentDialog.cpp b/src/gui/studio/RemapInstrumentDialog.cpp
index a957650..b1aff98 100644
--- a/src/gui/studio/RemapInstrumentDialog.cpp
+++ b/src/gui/studio/RemapInstrumentDialog.cpp
@@ -50,9 +50,9 @@
 namespace Rosegarden
 {
 
-RemapInstrumentDialog::RemapInstrumentDialog(TQWidget *parent,
+RemapInstrumentDialog::RemapInstrumentDialog(TQWidget *tqparent,
         RosegardenGUIDoc *doc):
-        KDialogBase(parent, "", true, i18n("Remap Instrument assigments..."),
+        KDialogBase(tqparent, "", true, i18n("Remap Instrument assigments..."),
                     Ok | Apply | Cancel),
         m_doc(doc)
 {
diff --git a/src/gui/studio/RemapInstrumentDialog.h b/src/gui/studio/RemapInstrumentDialog.h
index c0cae3a..d5999f8 100644
--- a/src/gui/studio/RemapInstrumentDialog.h
+++ b/src/gui/studio/RemapInstrumentDialog.h
@@ -48,8 +48,9 @@ class MultiViewCommandHistory;
 class RemapInstrumentDialog : public KDialogBase
 {
     Q_OBJECT
+  TQ_OBJECT
 public:
-    RemapInstrumentDialog(TQWidget *parent,
+    RemapInstrumentDialog(TQWidget *tqparent,
                           RosegardenGUIDoc *doc);
 
     void populateCombo(int id);
diff --git a/src/gui/studio/StudioControl.cpp b/src/gui/studio/StudioControl.cpp
index 6a4d643..04a838c 100644
--- a/src/gui/studio/StudioControl.cpp
+++ b/src/gui/studio/StudioControl.cpp
@@ -60,7 +60,7 @@ streamOut << (int)type;
 if (!rgapp->sequencerCall("createMappedObject(int)",
                           replyType, replyData, data))
 {
-    SEQMAN_DEBUG << "createStudioObject - "
+    SETQMAN_DEBUG << "createStudioObject - "
     << "failed to contact Rosegarden sequencer"
     << endl;
 } else
@@ -87,7 +87,7 @@ StudioControl::destroyStudioObject(MappedObjectId id)
 
     if (!rgapp->sequencerCall("destroyMappedObject(int)",
                               replyType, replyData, data)) {
-        SEQMAN_DEBUG << "destroyStudioObject - "
+        SETQMAN_DEBUG << "destroyStudioObject - "
         << "failed to contact Rosegarden sequencer"
         << endl;
     } else {
@@ -119,7 +119,7 @@ StudioControl::getStudioObjectProperty(MappedObjectId id,
 
     if (!rgapp->sequencerCall("getPropertyList(int, TQString)",
                               replyType, replyData, data)) {
-        SEQMAN_DEBUG << "getStudioObjectProperty - "
+        SETQMAN_DEBUG << "getStudioObjectProperty - "
         << "failed to contact Rosegarden sequencer"
         << endl;
     } else {
@@ -224,7 +224,7 @@ StudioControl::getStudioObjectByType(MappedObject::MappedObjectType type)
 
     if (!rgapp->sequencerCall("getMappedObjectId(int)",
                               replyType, replyData, data)) {
-        SEQMAN_DEBUG << "getStudioObjectByType - "
+        SETQMAN_DEBUG << "getStudioObjectByType - "
         << "failed to contact Rosegarden sequencer"
         << endl;
     } else {
@@ -271,7 +271,7 @@ StudioControl::getStudioPluginPort(MappedObjectId pluginId,
 
     if (!rgapp->sequencerCall("getMappedPort(int, unsigned long int)",
                               replyType, replyData, data)) {
-        SEQMAN_DEBUG << "getStudioPluginPort - "
+        SETQMAN_DEBUG << "getStudioPluginPort - "
         << "failed to contact Rosegarden sequencer"
         << endl;
     } else {
@@ -293,7 +293,7 @@ StudioControl::getPluginInformation()
 
     if (!rgapp->sequencerCall("getPluginInformation()",
                               replyType, replyData, data)) {
-        SEQMAN_DEBUG << "getPluginInformation - "
+        SETQMAN_DEBUG << "getPluginInformation - "
         << "failed to contact Rosegarden sequencer"
         << endl;
     } else {
@@ -304,7 +304,7 @@ StudioControl::getPluginInformation()
     return list;
 }
 
-QString
+TQString
 StudioControl::getPluginProgram(MappedObjectId id, int bank, int program)
 {
     TQByteArray data;
@@ -320,7 +320,7 @@ StudioControl::getPluginProgram(MappedObjectId id, int bank, int program)
 
     if (!rgapp->sequencerCall("getPluginProgram(int, int, int)",
                               replyType, replyData, data)) {
-        SEQMAN_DEBUG << "getPluginProgram - "
+        SETQMAN_DEBUG << "getPluginProgram - "
         << "failed to contact Rosegarden sequencer"
         << endl;
     } else {
@@ -346,7 +346,7 @@ StudioControl::getPluginProgram(MappedObjectId id, TQString name)
 
     if (!rgapp->sequencerCall("getPluginProgram(int, TQString)",
                               replyType, replyData, data)) {
-        SEQMAN_DEBUG << "getPluginProgram - "
+        SETQMAN_DEBUG << "getPluginProgram - "
         << "failed to contact Rosegarden sequencer"
         << endl;
     } else {
@@ -370,7 +370,7 @@ StudioControl::connectStudioObjects(MappedObjectId id1,
     streamOut << (int)id2;
 
     if (!rgapp->sequencerSend("connectMappedObjects(int, int)", data)) {
-        SEQMAN_DEBUG << "connectStudioObjects - "
+        SETQMAN_DEBUG << "connectStudioObjects - "
         << "failed to contact Rosegarden sequencer"
         << endl;
     }
@@ -391,7 +391,7 @@ StudioControl::disconnectStudioObjects(MappedObjectId id1,
     streamOut << (int)id2;
 
     if (!rgapp->sequencerSend("disconnectMappedObjects(int, int)", data)) {
-        SEQMAN_DEBUG << "disconnectStudioObjects - "
+        SETQMAN_DEBUG << "disconnectStudioObjects - "
         << "failed to contact Rosegarden sequencer"
         << endl;
     }
@@ -410,7 +410,7 @@ StudioControl::disconnectStudioObject(MappedObjectId id)
     streamOut << (int)id;
 
     if (!rgapp->sequencerSend("disconnectMappedObject(int)", data)) {
-        SEQMAN_DEBUG << "disconnectStudioObject - "
+        SETQMAN_DEBUG << "disconnectStudioObject - "
         << "failed to contact Rosegarden sequencer"
         << endl;
     }
diff --git a/src/gui/studio/SynthPluginManagerDialog.cpp b/src/gui/studio/SynthPluginManagerDialog.cpp
index 037fa3a..9530fad 100644
--- a/src/gui/studio/SynthPluginManagerDialog.cpp
+++ b/src/gui/studio/SynthPluginManagerDialog.cpp
@@ -54,13 +54,13 @@
 namespace Rosegarden
 {
 
-SynthPluginManagerDialog::SynthPluginManagerDialog(TQWidget *parent,
+SynthPluginManagerDialog::SynthPluginManagerDialog(TQWidget *tqparent,
             RosegardenGUIDoc *doc
 #ifdef HAVE_LIBLO
             , AudioPluginOSCGUIManager *guiManager
 #endif
                                                       ) :
-            KMainWindow(parent, "synthpluginmanagerdialog"),
+            KMainWindow(tqparent, "synthpluginmanagerdialog"),
             m_document(doc),
             m_studio(&doc->getStudio()),
             m_pluginManager(doc->getPluginManager())
@@ -75,7 +75,7 @@ SynthPluginManagerDialog::SynthPluginManagerDialog(TQWidget *parent,
 
         TQVBoxLayout *mainLayout = new TQVBoxLayout(mainBox, 10, 10);
 
-        TQGroupBox *groupBox = new TQGroupBox(1, Horizontal, i18n("Synth plugins"), mainBox);
+        TQGroupBox *groupBox = new TQGroupBox(1, Qt::Horizontal, i18n("Synth plugins"), mainBox);
         mainLayout->addWidget(groupBox);
 
         TQFrame *pluginFrame = new TQFrame(groupBox);
@@ -105,7 +105,7 @@ SynthPluginManagerDialog::SynthPluginManagerDialog(TQWidget *parent,
 
             //	pluginLayout->addWidget(new TQLabel(instrument->getPresentationName().c_str(),
             //					   pluginFrame), i, 0);
-            pluginLayout->addWidget(new TQLabel(TQString("%1").arg(i + 1),
+            pluginLayout->addWidget(new TQLabel(TQString("%1").tqarg(i + 1),
                                                pluginFrame), i, 0);
 
             AudioPluginInstance *plugin = instrument->getPlugin
@@ -161,17 +161,17 @@ SynthPluginManagerDialog::SynthPluginManagerDialog(TQWidget *parent,
 
         TQFrame* btnBox = new TQFrame(mainBox);
 
-        btnBox->setSizePolicy(
+        btnBox->tqsetSizePolicy(
             TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Fixed));
 
         TQPushButton *closeButton = new TQPushButton(i18n("Close"), btnBox);
 
-        TQHBoxLayout* layout = new TQHBoxLayout(btnBox, 0, 10);
-        layout->addStretch(10);
-        layout->addWidget(closeButton);
-        layout->addSpacing(5);
+        TQHBoxLayout* tqlayout = new TQHBoxLayout(btnBox, 0, 10);
+        tqlayout->addStretch(10);
+        tqlayout->addWidget(closeButton);
+        tqlayout->addSpacing(5);
 
-        KAction* close = KStdAction::close(this,
+        KAction* close = KStdAction::close(TQT_TQOBJECT(this),
                                            TQT_SLOT(slotClose()),
                                            actionCollection());
 
@@ -233,12 +233,12 @@ SynthPluginManagerDialog::SynthPluginManagerDialog(TQWidget *parent,
     void
     SynthPluginManagerDialog::slotGUIButtonClicked()
     {
-        const TQObject *s = sender();
+        const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
 
         int instrumentNo = -1;
 
         for (unsigned int i = 0; i < m_guiButtons.size(); ++i) {
-            if (s == m_guiButtons[i])
+            if (TQT_BASE_OBJECT_CONST(s) == TQT_BASE_OBJECT(m_guiButtons[i]))
                 instrumentNo = i;
         }
 
@@ -255,12 +255,12 @@ SynthPluginManagerDialog::SynthPluginManagerDialog(TQWidget *parent,
     void
     SynthPluginManagerDialog::slotControlsButtonClicked()
     {
-        const TQObject *s = sender();
+        const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
 
         int instrumentNo = -1;
 
         for (unsigned int i = 0; i < m_controlsButtons.size(); ++i) {
-            if (s == m_controlsButtons[i])
+            if (TQT_BASE_OBJECT_CONST(s) == TQT_BASE_OBJECT(m_controlsButtons[i]))
                 instrumentNo = i;
         }
 
@@ -277,7 +277,7 @@ SynthPluginManagerDialog::SynthPluginManagerDialog(TQWidget *parent,
     void
     SynthPluginManagerDialog::slotPluginChanged(int index)
     {
-        const TQObject *s = sender();
+        const TQObject *s = TQT_TQOBJECT_CONST(const_cast<const TQT_BASE_OBJECT_NAME*>(sender()));
 
         RG_DEBUG << "SynthPluginManagerDialog::slotPluginChanged(" << index
         << ")" << endl;
@@ -285,7 +285,7 @@ SynthPluginManagerDialog::SynthPluginManagerDialog(TQWidget *parent,
         int instrumentNo = -1;
 
         for (unsigned int i = 0; i < m_synthCombos.size(); ++i) {
-            if (s == m_synthCombos[i])
+            if (TQT_BASE_OBJECT_CONST(s) == TQT_BASE_OBJECT(m_synthCombos[i]))
                 instrumentNo = i;
         }
 
@@ -316,7 +316,7 @@ SynthPluginManagerDialog::SynthPluginManagerDialog(TQWidget *parent,
 
                 if (plugin) {
                     RG_DEBUG << "plugin is " << plugin->getIdentifier() << endl;
-                    pluginInstance->setIdentifier(plugin->getIdentifier().data());
+                    pluginInstance->setIdentifier(plugin->getIdentifier().ascii());
 
                     // set ports to defaults
 
diff --git a/src/gui/studio/SynthPluginManagerDialog.h b/src/gui/studio/SynthPluginManagerDialog.h
index f58c07c..d637e7a 100644
--- a/src/gui/studio/SynthPluginManagerDialog.h
+++ b/src/gui/studio/SynthPluginManagerDialog.h
@@ -49,9 +49,10 @@ class AudioPluginManager;
 class SynthPluginManagerDialog : public KMainWindow
 {
     Q_OBJECT
+  TQ_OBJECT
 
 public:
-    SynthPluginManagerDialog(TQWidget *parent,
+    SynthPluginManagerDialog(TQWidget *tqparent,
                              RosegardenGUIDoc *doc
 #ifdef HAVE_LIBLO
                              , AudioPluginOSCGUIManager *guiManager
diff --git a/src/gui/studio/TimerCallbackAssistant.cpp b/src/gui/studio/TimerCallbackAssistant.cpp
index 7b2bc76..23534d3 100644
--- a/src/gui/studio/TimerCallbackAssistant.cpp
+++ b/src/gui/studio/TimerCallbackAssistant.cpp
@@ -44,7 +44,7 @@ TimerCallbackAssistant::TimerCallbackAssistant(int ms, void (*callback)(void *da
 
 TimerCallbackAssistant::~TimerCallbackAssistant()
 {
-    // nothing -- the TQTimer is deleted automatically by its parent TQObject (me)
+    // nothing -- the TQTimer is deleted automatically by its tqparent TQObject (me)
 }
 
 void
diff --git a/src/gui/studio/TimerCallbackAssistant.h b/src/gui/studio/TimerCallbackAssistant.h
index 836db90..3048f20 100644
--- a/src/gui/studio/TimerCallbackAssistant.h
+++ b/src/gui/studio/TimerCallbackAssistant.h
@@ -39,9 +39,10 @@ namespace Rosegarden
    AudioPluginOSCGUI cannot be a TQObject because it's only
    conditionally compiled. */
 
-class TimerCallbackAssistant : public QObject
+class TimerCallbackAssistant : public TQObject
 {
     Q_OBJECT
+  TQ_OBJECT
 
 public:
     TimerCallbackAssistant(int ms, void (*callback)(void *data), void *data);