Automated update from qt3

26 files changed, 137 insertions, 137 deletions

diff --git a/src/widgets/qaction.cpp b/src/widgets/qaction.cpp
index 314a4f70..391b47ee 100644
--- a/src/widgets/qaction.cpp
+++ b/src/widgets/qaction.cpp
@@ -220,18 +220,18 @@ TQActionPrivate::~TQActionPrivate()
 	++itci;
 	TQComboBox* combo = ci->combo;
 	combo->clear();
-	TQActionGroup *group = ::qt_cast<TQActionGroup*>(action->parent());
+	TQActionGroup *group = ::tqt_cast<TQActionGroup*>(action->parent());
 	TQObjectList *siblings = group ? group->queryList("TQAction") : 0;
 	if (siblings) {
 	    TQObjectListIt it(*siblings);
 	    while (it.current()) {
-		TQAction *sib = ::qt_cast<TQAction*>(it.current());
+		TQAction *sib = ::tqt_cast<TQAction*>(it.current());
 		++it;
 		sib->removeFrom(combo);
 	    }
 	    it = TQObjectListIt(*siblings);
 	    while (it.current()) {
-		TQAction *sib = ::qt_cast<TQAction*>(it.current());
+		TQAction *sib = ::tqt_cast<TQAction*>(it.current());
 		++it;
 		if (sib == action)
 		    continue;
@@ -568,7 +568,7 @@ TQAction::TQAction( const TQString& text, const TQString& menuText, TQKeySequenc
 */
 void TQAction::init()
 {
-    if ( ::qt_cast<TQActionGroup*>(parent()) )
+    if ( ::tqt_cast<TQActionGroup*>(parent()) )
 	((TQActionGroup*) parent())->add( this );		// insert into action group
 }
 
@@ -1008,7 +1008,7 @@ void TQAction::toolButtonToggled( bool on )
 bool TQAction::addTo( TQWidget* w )
 {
 #ifndef QT_NO_TOOLBAR
-    if ( ::qt_cast<TQToolBar*>(w) ) {
+    if ( ::tqt_cast<TQToolBar*>(w) ) {
 	if ( !qstrcmp( name(), "qt_separator_action" ) ) {
 	    ((TQToolBar*)w)->addSeparator();
 	} else {
@@ -1030,7 +1030,7 @@ bool TQAction::addTo( TQWidget* w )
 	}
     } else
 #endif
-    if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	TQActionPrivate::MenuItem* mi = new TQActionPrivate::MenuItem;
 	mi->popup = (TQPopupMenu*) w;
 	TQIconSet* diconset = d->iconset;
@@ -1049,7 +1049,7 @@ bool TQAction::addTo( TQWidget* w )
 	connect( mi->popup, SIGNAL(aboutToHide()), this, SLOT(clearStatusText()) );
 	connect( mi->popup, SIGNAL( destroyed() ), this, SLOT( objectDestroyed() ) );
     // Makes only sense when called by TQActionGroup::addTo
-    } else if ( ::qt_cast<TQComboBox*>(w) ) {
+    } else if ( ::tqt_cast<TQComboBox*>(w) ) {
 	TQActionPrivate::ComboItem *ci = new TQActionPrivate::ComboItem;
 	ci->combo = (TQComboBox*)w;
 	connect( ci->combo, SIGNAL( destroyed() ), this, SLOT( objectDestroyed() ) );
@@ -1108,7 +1108,7 @@ void TQAction::showStatusText( const TQString& text )
     static TQPopupMenu *lastmenu = 0;
     TQObject *s = (TQObject*)sender();
     if ( s ) {
-	TQPopupMenu *menu = (TQPopupMenu*)s->qt_cast( "TQPopupMenu" );
+	TQPopupMenu *menu = (TQPopupMenu*)s->tqt_cast( "TQPopupMenu" );
 	if ( menu && !!text )
 	    lastmenu = menu;
 	else if ( menu && text.isEmpty() ) {
@@ -1188,7 +1188,7 @@ void TQAction::clearStatusText()
 bool TQAction::removeFrom( TQWidget* w )
 {
 #ifndef QT_NO_TOOLBAR
-    if ( ::qt_cast<TQToolBar*>(w) ) {
+    if ( ::tqt_cast<TQToolBar*>(w) ) {
 	TQPtrListIterator<TQToolButton> it( d->toolbuttons);
 	TQToolButton* btn;
 	while ( ( btn = it.current() ) ) {
@@ -1202,7 +1202,7 @@ bool TQAction::removeFrom( TQWidget* w )
 	}
     } else
 #endif
-    if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	TQPtrListIterator<TQActionPrivate::MenuItem> it( d->menuitems);
 	TQActionPrivate::MenuItem* mi;
 	while ( ( mi = it.current() ) ) {
@@ -1215,7 +1215,7 @@ bool TQAction::removeFrom( TQWidget* w )
 		d->menuitems.removeRef( mi );
 	    }
 	}
-    } else if ( ::qt_cast<TQComboBox*>(w) ) {
+    } else if ( ::tqt_cast<TQComboBox*>(w) ) {
 	TQPtrListIterator<TQActionPrivate::ComboItem> it( d->comboitems );
 	TQActionPrivate::ComboItem *ci;
 	while ( ( ci = it.current() ) ) {
@@ -1347,7 +1347,7 @@ void TQActionGroupPrivate::update( const TQActionGroup* that )
     }
     for ( TQPtrListIterator<TQActionGroupPrivate::MenuItem> pu( menuitems ); pu.current(); ++pu ) {
 	TQWidget* parent = pu.current()->popup->parentWidget();
-	if ( ::qt_cast<TQPopupMenu*>(parent) ) {
+	if ( ::tqt_cast<TQPopupMenu*>(parent) ) {
 	    TQPopupMenu* ppopup = (TQPopupMenu*)parent;
 	    ppopup->setItemEnabled( pu.current()->id, that->isEnabled() );
 	    ppopup->setItemVisible( pu.current()->id, that->isVisible() );
@@ -1357,7 +1357,7 @@ void TQActionGroupPrivate::update( const TQActionGroup* that )
     }
     for ( TQPtrListIterator<TQPopupMenu> pm( popupmenus ); pm.current(); ++pm ) {
 	TQPopupMenu *popup = pm.current();
-	TQPopupMenu *parent = ::qt_cast<TQPopupMenu*>(popup->parentWidget());
+	TQPopupMenu *parent = ::tqt_cast<TQPopupMenu*>(popup->parentWidget());
 	if ( !parent )
 	    continue;
 
@@ -1654,7 +1654,7 @@ void TQActionGroup::addSeparator()
 bool TQActionGroup::addTo( TQWidget* w )
 {
 #ifndef QT_NO_TOOLBAR
-    if ( ::qt_cast<TQToolBar*>(w) ) {
+    if ( ::tqt_cast<TQToolBar*>(w) ) {
 	if ( d->dropdown ) {
 	    if ( !d->exclusive ) {
 		TQPtrListIterator<TQAction> it( d->actions);
@@ -1737,7 +1737,7 @@ bool TQActionGroup::addTo( TQWidget* w )
 	}
     } else
 #endif
-    if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	TQPopupMenu *popup;
 	if ( d->dropdown ) {
 	    TQPopupMenu *menu = (TQPopupMenu*)w;
@@ -1791,7 +1791,7 @@ bool TQActionGroup::removeFrom( TQWidget* w )
     }
 
 #ifndef QT_NO_TOOLBAR
-    if ( ::qt_cast<TQToolBar*>(w) ) {
+    if ( ::tqt_cast<TQToolBar*>(w) ) {
 	TQPtrListIterator<TQComboBox> cb( d->comboboxes );
 	while( cb.current() ) {
 	    TQComboBox *box = cb.current();
@@ -1808,7 +1808,7 @@ bool TQActionGroup::removeFrom( TQWidget* w )
 	}
     } else
 #endif
-    if ( ::qt_cast<TQPopupMenu*>(w) ) {
+    if ( ::tqt_cast<TQPopupMenu*>(w) ) {
 	TQPtrListIterator<TQActionGroupPrivate::MenuItem> pu( d->menuitems );
 	while ( pu.current() ) {
 	    TQActionGroupPrivate::MenuItem *mi = pu.current();
@@ -1959,7 +1959,7 @@ void TQActionGroup::childEvent( TQChildEvent *e )
     if ( !e->removed() )
 	return;
 
-    TQAction *action = ::qt_cast<TQAction*>(e->child());
+    TQAction *action = ::tqt_cast<TQAction*>(e->child());
     if ( !action )
 	return;
 
diff --git a/src/widgets/qbutton.cpp b/src/widgets/qbutton.cpp
index d24dd17f..05539be9 100644
--- a/src/widgets/qbutton.cpp
+++ b/src/widgets/qbutton.cpp
@@ -391,7 +391,7 @@ TQButton::TQButton( TQWidget *parent, const char *name, WFlags f )
     repeat     = FALSE;				// not in autorepeat mode
     d	       = 0;
 #ifndef QT_NO_BUTTONGROUP
-    if ( ::qt_cast<TQButtonGroup*>(parent) ) {
+    if ( ::tqt_cast<TQButtonGroup*>(parent) ) {
 	setGroup((TQButtonGroup*)parent);
 	group()->insert( this );		// insert into button group
     }
@@ -705,7 +705,7 @@ void TQButton::keyPressEvent( TQKeyEvent *e )
     case Key_Return:
 	{
 #ifndef QT_NO_PUSHBUTTON
-	    TQPushButton *pb = (TQPushButton*)qt_cast( "TQPushButton" );
+	    TQPushButton *pb = (TQPushButton*)tqt_cast( "TQPushButton" );
 	    if ( pb && ( pb->autoDefault() || pb->isDefault() ) )
 		emit clicked();
 	    else
@@ -717,7 +717,7 @@ void TQButton::keyPressEvent( TQKeyEvent *e )
 	if ( !e->isAutoRepeat() ) {
 	    setDown( TRUE );
 #ifndef QT_NO_PUSHBUTTON
-	    if ( ::qt_cast<TQPushButton*>(this) )
+	    if ( ::tqt_cast<TQPushButton*>(this) )
 		emit pressed();
 	    else
 #endif
@@ -999,7 +999,7 @@ bool TQButton::isExclusiveToggle() const
 #ifndef QT_NO_BUTTONGROUP
     return group() && ( group()->isExclusive() ||
 			group()->isRadioButtonExclusive() &&
-			::qt_cast<TQRadioButton*>(this) );
+			::tqt_cast<TQRadioButton*>(this) );
 #else
     return FALSE;
 #endif
diff --git a/src/widgets/qbuttongroup.cpp b/src/widgets/qbuttongroup.cpp
index c94ba037..5745cd3f 100644
--- a/src/widgets/qbuttongroup.cpp
+++ b/src/widgets/qbuttongroup.cpp
@@ -410,7 +410,7 @@ void TQButtonGroup::buttonClicked()
 {
     // introduce a TQButtonListIt if calling anything
     int id = -1;
-    TQButton *bt = ::qt_cast<TQButton*>(sender());		// object that sent the signal
+    TQButton *bt = ::tqt_cast<TQButton*>(sender());		// object that sent the signal
 #if defined(QT_CHECK_NULL)
     Q_ASSERT( bt );
 #endif
@@ -436,19 +436,19 @@ void TQButtonGroup::buttonToggled( bool on )
     // introduce a TQButtonListIt if calling anything
     if ( !on || !excl_grp && !radio_excl )
 	return;
-    TQButton *bt = ::qt_cast<TQButton*>(sender());		// object that sent the signal
+    TQButton *bt = ::tqt_cast<TQButton*>(sender());		// object that sent the signal
 #if defined(QT_CHECK_NULL)
     Q_ASSERT( bt );
     Q_ASSERT( bt->isToggleButton() );
 #endif
 
-    if ( !excl_grp && !::qt_cast<TQRadioButton*>(bt) )
+    if ( !excl_grp && !::tqt_cast<TQRadioButton*>(bt) )
 	return;
     TQButtonItem * i = buttons->first();
     bool hasTabFocus = FALSE;
 
     while( i != 0 && hasTabFocus == FALSE ) {
-	if ( ( excl_grp || ::qt_cast<TQRadioButton*>(i->button) ) &&
+	if ( ( excl_grp || ::tqt_cast<TQRadioButton*>(i->button) ) &&
 	     (i->button->focusPolicy() & TabFocus) )
 	    hasTabFocus = TRUE;
 	i = buttons->next();
@@ -459,9 +459,9 @@ void TQButtonGroup::buttonToggled( bool on )
 	if ( bt != i->button &&
 	     i->button->isToggleButton() &&
 	     i->button->isOn() &&
-	     ( excl_grp || ::qt_cast<TQRadioButton*>(i->button) ) )
+	     ( excl_grp || ::tqt_cast<TQRadioButton*>(i->button) ) )
 	    i->button->setOn( FALSE );
-	if ( ( excl_grp || ::qt_cast<TQRadioButton*>(i->button) ) &&
+	if ( ( excl_grp || ::tqt_cast<TQRadioButton*>(i->button) ) &&
 	     i->button->isToggleButton() &&
 	     hasTabFocus )
 	    i->button->setFocusPolicy( (FocusPolicy)(i->button->focusPolicy() &
@@ -572,12 +572,12 @@ void TQButtonGroup::moveFocus( int key )
 	i = buttons->next();
     }
 
-    TQButton *buttoncand = ::qt_cast<TQButton*>(candidate);
-    if ( buttoncand && ::qt_cast<TQButton*>(f) &&
+    TQButton *buttoncand = ::tqt_cast<TQButton*>(candidate);
+    if ( buttoncand && ::tqt_cast<TQButton*>(f) &&
 	 ((TQButton*)f)->isOn() &&
 	 buttoncand->isToggleButton() &&
-	 ( isExclusive() || ( ::qt_cast<TQRadioButton*>(f) &&
-			      ::qt_cast<TQRadioButton*>(candidate)))) {
+	 ( isExclusive() || ( ::tqt_cast<TQRadioButton*>(f) &&
+			      ::tqt_cast<TQRadioButton*>(candidate)))) {
 	if ( f->focusPolicy() & TabFocus ) {
 	    f->setFocusPolicy( (FocusPolicy)(f->focusPolicy() & ~TabFocus) );
 	    candidate->setFocusPolicy( (FocusPolicy)(candidate->focusPolicy()|
@@ -669,7 +669,7 @@ bool TQButtonGroup::event( TQEvent * e )
 {
     if ( e->type() == TQEvent::ChildInserted ) {
 	TQChildEvent * ce = (TQChildEvent *) e;
-	if ( radio_excl && ::qt_cast<TQRadioButton*>(ce->child()) ) {
+	if ( radio_excl && ::tqt_cast<TQRadioButton*>(ce->child()) ) {
 	    TQButton * button = (TQButton *) ce->child();
 	    if ( button->isToggleButton() && !button->isOn() &&
 		 selected() && (selected()->focusPolicy() & TabFocus) != 0 )
diff --git a/src/widgets/qdatetimeedit.cpp b/src/widgets/qdatetimeedit.cpp
index e226d671..892c1e61 100644
--- a/src/widgets/qdatetimeedit.cpp
+++ b/src/widgets/qdatetimeedit.cpp
@@ -423,7 +423,7 @@ public:
 
     void enabledChange(bool notenabled)
     {
-        TQDateEdit *de = ::qt_cast<TQDateEdit*>(parentWidget());
+        TQDateEdit *de = ::tqt_cast<TQDateEdit*>(parentWidget());
         if (de && !notenabled) {
 	    setUpEnabled(de->date() < de->maxValue());
 	    setDownEnabled(de->date() > de->minValue());
@@ -437,7 +437,7 @@ protected:
 #ifndef QT_NO_WHEELEVENT
     void wheelEvent( TQWheelEvent *e )
     {
-	TQDateTimeEditor *editor = (TQDateTimeEditor*)editWidget()->qt_cast( "TQDateTimeEditor" );
+	TQDateTimeEditor *editor = (TQDateTimeEditor*)editWidget()->tqt_cast( "TQDateTimeEditor" );
 	Q_ASSERT( editor );
 	if ( !editor )
 	    return;
@@ -608,9 +608,9 @@ bool TQDateTimeEditor::eventFilter( TQObject *o, TQEvent *e )
 		cw->stepDown();
 		return TRUE;
 	    case Key_Backspace:
-		if ( ::qt_cast<TQDateEdit*>(cw) )
+		if ( ::tqt_cast<TQDateEdit*>(cw) )
 		    ((TQDateEdit*)cw)->removeFirstNumber( d->focusSection() );
-		else if ( ::qt_cast<TQTimeEdit*>(cw) )
+		else if ( ::tqt_cast<TQTimeEdit*>(cw) )
 		    ((TQTimeEdit*)cw)->removeFirstNumber( d->focusSection() );
 		return TRUE;
 	    case Key_Delete:
@@ -624,15 +624,15 @@ bool TQDateTimeEditor::eventFilter( TQObject *o, TQEvent *e )
 		TQWidget *w = this;
 		bool hadDateEdit = FALSE;
 		while ( w ) {
-		    if ( ::qt_cast<TQDateTimeSpinWidget*>(w) && qstrcmp( w->name(), "qt_spin_widget" ) != 0 ||
-			 ::qt_cast<TQDateTimeEdit*>(w) )
+		    if ( ::tqt_cast<TQDateTimeSpinWidget*>(w) && qstrcmp( w->name(), "qt_spin_widget" ) != 0 ||
+			 ::tqt_cast<TQDateTimeEdit*>(w) )
 			break;
-		    hadDateEdit = hadDateEdit || ::qt_cast<TQDateEdit*>(w);
+		    hadDateEdit = hadDateEdit || ::tqt_cast<TQDateEdit*>(w);
 		    w = w->parentWidget();
 		}
 
 		if ( w ) {
-		    if ( !::qt_cast<TQDateTimeEdit*>(w) ) {
+		    if ( !::tqt_cast<TQDateTimeEdit*>(w) ) {
 			w = w->parentWidget();
 		    } else {
 			TQDateTimeEdit *ed = (TQDateTimeEdit*)w;
@@ -643,7 +643,7 @@ bool TQDateTimeEditor::eventFilter( TQObject *o, TQEvent *e )
 			    ed->dateEdit()->setFocus();
 			    return TRUE;
 			} else {
-			    while ( w && !::qt_cast<TQDateTimeEdit*>(w) )
+			    while ( w && !::tqt_cast<TQDateTimeEdit*>(w) )
 				w = w->parentWidget();
 			}
 		    }
@@ -661,7 +661,7 @@ bool TQDateTimeEditor::eventFilter( TQObject *o, TQEvent *e )
 			    repaint( rect(), FALSE );
 		    }
 		    return TRUE;
-		} else if ( !txt.isEmpty() && ::qt_cast<TQTimeEdit*>(cw) && focusSection() == (int) d->sectionCount()-1 ) {
+		} else if ( !txt.isEmpty() && ::tqt_cast<TQTimeEdit*>(cw) && focusSection() == (int) d->sectionCount()-1 ) {
 		    // the first character of the AM/PM indicator toggles if the section has focus
 		    TQTimeEdit *te = (TQTimeEdit*)cw;
 		    TQTime time = te->time();
diff --git a/src/widgets/qdockarea.cpp b/src/widgets/qdockarea.cpp
index 0e2555bd..760db538 100644
--- a/src/widgets/qdockarea.cpp
+++ b/src/widgets/qdockarea.cpp
@@ -235,7 +235,7 @@ static int point_pos( const TQPoint &p, TQt::Orientation o, bool swap = FALSE )
 
 static void shrink_extend( TQDockWindow *dw, int &dockExtend, int /*spaceLeft*/, TQt::Orientation o )
 {
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(dw);
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(dw);
     if ( o == TQt::Horizontal ) {
 	int mw = 0;
 	if ( !tb )
@@ -258,7 +258,7 @@ static void place_line( TQValueList<DockData> &lastLine, TQt::Orientation o, int
     TQDockWindow *last = 0;
     TQRect lastRect;
     for ( TQValueList<DockData>::Iterator it = lastLine.begin(); it != lastLine.end(); ++it ) {
-	if ( tbstrut != -1 && ::qt_cast<TQToolBar*>((*it).w) )
+	if ( tbstrut != -1 && ::tqt_cast<TQToolBar*>((*it).w) )
 	    (*it).rect.setHeight( tbstrut );
 	if ( !last ) {
 	    last = (*it).w;
@@ -391,7 +391,7 @@ int TQDockAreaLayout::layoutItems( const TQRect &rect, bool testonly )
 	// do some calculations and add the remember the rect which the docking widget requires for the placing
 	TQRect dwRect(pos, sectionpos, dockExtend, dock_strut( dw, orientation()  ) );
 	lastLine.append( DockData( dw, dwRect ) );
-	if ( ::qt_cast<TQToolBar*>(dw) )
+	if ( ::tqt_cast<TQToolBar*>(dw) )
 	    tbstrut = TQMAX( tbstrut, dock_strut( dw, orientation() ) );
 	linestrut = TQMAX( dock_strut( dw, orientation() ), linestrut );
 	add_size( dockExtend, pos, orientation() );
@@ -926,7 +926,7 @@ void TQDockArea::updateLayout()
 bool TQDockArea::eventFilter( TQObject *o, TQEvent *e )
 {
     if ( e->type() == TQEvent::Close ) {
-	if ( ::qt_cast<TQDockWindow*>(o) ) {
+	if ( ::tqt_cast<TQDockWindow*>(o) ) {
 	    o->removeEventFilter( this );
 	    TQApplication::sendEvent( o, e );
 	    if ( ( (TQCloseEvent*)e )->isAccepted() )
@@ -1087,7 +1087,7 @@ bool TQDockArea::isDockWindowAccepted( TQDockWindow *dw )
     if ( forbiddenWidgets.findRef( dw ) != -1 )
 	return FALSE;
 
-    TQMainWindow *mw = ::qt_cast<TQMainWindow*>(parentWidget());
+    TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(parentWidget());
     if ( !mw )
 	return TRUE;
     if ( !mw->hasDockWindow( dw ) )
@@ -1145,7 +1145,7 @@ int TQDockArea::maxSpace( int hint, TQDockWindow *dw )
 	return dw->height();
     }
     int min = 0;
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(w);
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(w);
     if ( orientation() == Horizontal ) {
 	w->setFixedExtentWidth( -1 );
 	if ( !tb )
diff --git a/src/widgets/qdockwindow.cpp b/src/widgets/qdockwindow.cpp
index a0f4163c..8e699633 100644
--- a/src/widgets/qdockwindow.cpp
+++ b/src/widgets/qdockwindow.cpp
@@ -493,7 +493,7 @@ void TQDockWindowHandle::minimize()
     if ( !dockWindow->area() )
 	return;
 
-    TQMainWindow *mw = ::qt_cast<TQMainWindow*>(dockWindow->area()->parentWidget());
+    TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(dockWindow->area()->parentWidget());
     if ( mw && mw->isDockEnabled( dockWindow, TQt::DockMinimized ) )
 	mw->moveDockWindow( dockWindow, TQt::DockMinimized );
 }
@@ -1031,13 +1031,13 @@ void TQDockWindow::init()
     if ( parentWidget() )
 	parentWidget()->installEventFilter( this );
     TQWidget *mw = parentWidget();
-    TQDockArea *da = ::qt_cast<TQDockArea*>(parentWidget());
+    TQDockArea *da = ::tqt_cast<TQDockArea*>(parentWidget());
     if ( da ) {
 	if ( curPlace == InDock )
 	    da->moveDockWindow( this );
 	mw = da->parentWidget();
     }
-    if ( ::qt_cast<TQMainWindow*>(mw) ) {
+    if ( ::tqt_cast<TQMainWindow*>(mw) ) {
 	if ( place() == InDock ) {
 	    Dock myDock = TQt::DockTop;
 	    // make sure we put the window in the correct dock.
@@ -1123,7 +1123,7 @@ TQDockWindow::~TQDockWindow()
     TQDockArea *a = area();
     if ( !a && dockWindowData )
 	a = ( (TQDockArea::DockWindowData*)dockWindowData )->area;
-    TQMainWindow *mw = a ? ::qt_cast<TQMainWindow*>(a->parentWidget()) : 0;
+    TQMainWindow *mw = a ? ::tqt_cast<TQMainWindow*>(a->parentWidget()) : 0;
     if ( mw )
 	mw->removeDockWindow( this );
 
@@ -1164,12 +1164,12 @@ TQWidget *TQDockWindow::areaAt( const TQPoint &gp )
 	w = parentWidget()->childAt( parentWidget()->mapFromGlobal( gp ) );
 
     while ( w ) {
-	if ( ::qt_cast<TQDockArea*>(w) ) {
+	if ( ::tqt_cast<TQDockArea*>(w) ) {
 	    TQDockArea *a = (TQDockArea*)w;
 	    if ( a->isDockWindowAccepted( this ) )
 		return w;
 	}
-	if ( ::qt_cast<TQMainWindow*>(w) ) {
+	if ( ::tqt_cast<TQMainWindow*>(w) ) {
 	    TQMainWindow *mw = (TQMainWindow*)w;
 	    TQDockArea *a = mw->dockingArea( mw->mapFromGlobal( gp ) );
 	    if ( a && a->isDockWindowAccepted( this ) )
@@ -1197,8 +1197,8 @@ void TQDockWindow::handleMove( const TQPoint &pos, const TQPoint &gp, bool drawR
     if ( titleBar->ctrlDown || horHandle->ctrlDown || verHandle->ctrlDown )
 	w = 0;
     currRect.moveBy( pos.x(), pos.y() );
-    if ( !::qt_cast<TQDockArea*>(w) ) {
-        if ( startOrientation != Horizontal && ::qt_cast<TQToolBar*>(this) )
+    if ( !::tqt_cast<TQDockArea*>(w) ) {
+        if ( startOrientation != Horizontal && ::tqt_cast<TQToolBar*>(this) )
 	    swapRect( currRect, Horizontal, startOffset, (TQDockArea*)w );
 	if ( drawRect ) {
 	    unclippedPainter->setPen( TQPen( gray, 3 ) );
@@ -1396,14 +1396,14 @@ void TQDockWindow::updatePosition( const TQPoint &globalPos )
     } else {
 	if ( dockArea ) {
 	    TQMainWindow *mw = (TQMainWindow*)dockArea->parentWidget();
-	    if ( ::qt_cast<TQMainWindow*>(mw) &&
+	    if ( ::tqt_cast<TQMainWindow*>(mw) &&
 		 ( !mw->isDockEnabled( TQMainWindow::DockTornOff ) ||
 		   !mw->isDockEnabled( this, TQMainWindow::DockTornOff ) ) )
 		return;
 	    delete (TQDockArea::DockWindowData*)dockWindowData;
 	    dockWindowData = dockArea->dockWindowData( this );
 	    dockArea->removeDockWindow( this, TRUE,
-                                        startOrientation != Horizontal && ::qt_cast<TQToolBar*>(this) );
+                                        startOrientation != Horizontal && ::tqt_cast<TQToolBar*>(this) );
 	}
 	dockArea = 0;
 	TQPoint topLeft = currRect.topLeft();
@@ -1417,7 +1417,7 @@ void TQDockWindow::updatePosition( const TQPoint &globalPos )
 	move( topLeft );
     }
 
-    if ( curPlace == InDock && state == OutsideDock && !::qt_cast<TQToolBar*>(this) ) {
+    if ( curPlace == InDock && state == OutsideDock && !::tqt_cast<TQToolBar*>(this) ) {
 	if ( lastSize != TQSize( -1, -1 ) )
 	    resize( lastSize );
     }
@@ -1431,7 +1431,7 @@ void TQDockWindow::updatePosition( const TQPoint &globalPos )
     tmpDockArea = 0;
     if ( doAdjustSize ) {
 	TQApplication::sendPostedEvents( this, TQEvent::LayoutHint );
-	if ( ::qt_cast<TQToolBar*>(this) )
+	if ( ::tqt_cast<TQToolBar*>(this) )
 	    adjustSize();
         if (lastSize == TQSize(-1, -1))
             clearWState(WState_Resized); // Ensures size is recalculated (non-opaque).
@@ -1706,7 +1706,7 @@ TQt::Orientation TQDockWindow::orientation() const
 {
     if ( dockArea )
 	return dockArea->orientation();
-    if ( ::qt_cast<TQToolBar*>(this) )
+    if ( ::tqt_cast<TQToolBar*>(this) )
 	return Horizontal;
     return ( ((TQDockWindow*)this)->boxLayout()->direction() == TQBoxLayout::LeftToRight ||
 	     ((TQDockWindow*)this)->boxLayout()->direction() == TQBoxLayout::RightToLeft ?
@@ -1861,7 +1861,7 @@ void TQDockWindow::undock( TQWidget *w )
 {
     TQMainWindow *mw = 0;
     if ( area() )
-	mw = ::qt_cast<TQMainWindow*>(area()->parentWidget());
+	mw = ::tqt_cast<TQMainWindow*>(area()->parentWidget());
     if ( mw && !mw->isDockEnabled( this, DockTornOff ) )
 	return;
     if ( (place() == OutsideDock && !w) )
@@ -1873,7 +1873,7 @@ void TQDockWindow::undock( TQWidget *w )
     if ( dockArea ) {
 	delete (TQDockArea::DockWindowData*)dockWindowData;
 	dockWindowData = dockArea->dockWindowData( this );
-	dockArea->removeDockWindow( this, TRUE, orientation() != Horizontal && ::qt_cast<TQToolBar*>(this) );
+	dockArea->removeDockWindow( this, TRUE, orientation() != Horizontal && ::tqt_cast<TQToolBar*>(this) );
     }
     dockArea = 0;
     if ( lastPos != TQPoint( -1, -1 ) && lastPos.x() > 0 && lastPos.y() > 0 )
@@ -1886,7 +1886,7 @@ void TQDockWindow::undock( TQWidget *w )
     updateGui();
     emit orientationChanged( orientation() );
     TQApplication::sendPostedEvents( this, TQEvent::LayoutHint );
-    if ( ::qt_cast<TQToolBar*>(this) )
+    if ( ::tqt_cast<TQToolBar*>(this) )
 	adjustSize();
     if ( !w ) {
 	if ( !parentWidget() || parentWidget()->isVisible() ) {
@@ -2110,7 +2110,7 @@ void TQDockWindow::contextMenuEvent( TQContextMenuEvent *e )
 {
     TQObject *o = this;
     while ( o ) {
-	if ( ::qt_cast<TQMainWindow*>(o) )
+	if ( ::tqt_cast<TQMainWindow*>(o) )
 	    break;
 	o = o->parent();
     }
diff --git a/src/widgets/qeffects.cpp b/src/widgets/qeffects.cpp
index 7377eba7..d2f20791 100644
--- a/src/widgets/qeffects.cpp
+++ b/src/widgets/qeffects.cpp
@@ -192,7 +192,7 @@ bool TQAlphaWidget::eventFilter( TQObject* o, TQEvent* e )
 	    break;
     case TQEvent::MouseButtonPress:
 #ifndef QT_NO_SCROLLVIEW
-	if ( ::qt_cast<TQScrollView*>(o) )
+	if ( ::tqt_cast<TQScrollView*>(o) )
 	    break;
 #endif
     case TQEvent::MouseButtonDblClick:
@@ -444,7 +444,7 @@ bool TQRollEffect::eventFilter( TQObject* o, TQEvent* e )
 	break;
     case TQEvent::MouseButtonPress:
 #ifndef QT_NO_SCROLLVIEW
-	if ( ::qt_cast<TQScrollView*>(o) )
+	if ( ::tqt_cast<TQScrollView*>(o) )
 	    break;
 #endif
     case TQEvent::MouseButtonDblClick:
diff --git a/src/widgets/qgroupbox.cpp b/src/widgets/qgroupbox.cpp
index e6d2ad58..d78ae735 100644
--- a/src/widgets/qgroupbox.cpp
+++ b/src/widgets/qgroupbox.cpp
@@ -677,7 +677,7 @@ void TQGroupBox::fixFocus()
 	     && w->isVisibleTo(this) ) {
 	    if ( w->hasFocus()
 #ifndef QT_NO_RADIOBUTTON
-		 || ( !best && ::qt_cast<TQRadioButton*>(w)
+		 || ( !best && ::tqt_cast<TQRadioButton*>(w)
 		 && ((TQRadioButton*)w)->isChecked() )
 #endif
 		    )
@@ -841,7 +841,7 @@ void TQGroupBox::setCheckable( bool b )
     if ( b ) {
 	if ( !d->checkbox ) {
 	    d->checkbox = new TQCheckBox( title(), this, "qt_groupbox_checkbox" );
-            if (TQButtonGroup *meAsButtonGroup = ::qt_cast<TQButtonGroup*>(this))
+            if (TQButtonGroup *meAsButtonGroup = ::tqt_cast<TQButtonGroup*>(this))
                 meAsButtonGroup->remove(d->checkbox);
 	    setChecked( TRUE );
 	    setChildrenEnabled( TRUE );
diff --git a/src/widgets/qlistview.cpp b/src/widgets/qlistview.cpp
index 06830bdd..faffe09b 100644
--- a/src/widgets/qlistview.cpp
+++ b/src/widgets/qlistview.cpp
@@ -3839,7 +3839,7 @@ bool TQListView::eventFilter( TQObject * o, TQEvent * e )
 	    // nothing
 	    break;
 	}
-    } else if ( ::qt_cast<TQLineEdit*>(o) ) {
+    } else if ( ::tqt_cast<TQLineEdit*>(o) ) {
 	if ( currentItem() && currentItem()->renameBox ) {
 	    if ( e->type() == TQEvent::KeyPress ) {
 		TQKeyEvent *ke = (TQKeyEvent*)e;
diff --git a/src/widgets/qmainwindow.cpp b/src/widgets/qmainwindow.cpp
index 72491a25..830e3f0d 100644
--- a/src/widgets/qmainwindow.cpp
+++ b/src/widgets/qmainwindow.cpp
@@ -335,7 +335,7 @@ protected:
 	while ( ( o = it.current() ) ) {
 	    ++it;
 	    ++i;
-	    TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+	    TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 	    if ( !dw || !dw->isVisible() )
 		continue;
 
@@ -377,7 +377,7 @@ protected:
 	    while ( ( o = it.current() ) ) {
 		++it;
 		++i;
-		TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+		TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 		if ( !dw || !dw->isVisible() )
 		    continue;
 
@@ -406,7 +406,7 @@ protected:
 	if ( e->button() == LeftButton ) {
 	    if ( e->y() >= 0 && e->y() <= height() ) {
 		TQObject *o = ( (TQObjectList*)children() )->at( pressedHandle );
-		TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+		TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 		if ( dw ) {
 		    dw->show();
 		    dw->dock();
@@ -436,7 +436,7 @@ protected:
 	    TQObject *o;
 	    while ( ( o = it.current() ) ) {
 		++it;
-		TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+		TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 		if ( !dw )
 		    continue;
 		if ( dw->isHidden() ) {
@@ -491,7 +491,7 @@ void TQHideToolTip::maybeTip( const TQPoint &pos )
     int x = 0;
     while ( ( o = it.current() ) ) {
 	++it;
-	TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+	TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 	if ( !dw || !dw->isVisible() )
 	    continue;
 
@@ -1276,7 +1276,7 @@ void TQMainWindow::addDockWindow( TQDockWindow * dockWindow, const TQString &lab
 {
     addDockWindow( dockWindow, edge, newLine );
 #ifndef QT_NO_TOOLBAR
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(dockWindow);
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(dockWindow);
     if ( tb )
 	tb->setLabel( label );
 #endif
@@ -1608,7 +1608,7 @@ bool TQMainWindow::dockMainWindow( TQObject *dock )
     while ( dock ) {
 	if ( dock->parent() && dock->parent() == this )
 	    return TRUE;
-	if ( ::qt_cast<TQMainWindow*>(dock->parent()) )
+	if ( ::tqt_cast<TQMainWindow*>(dock->parent()) )
 	    return FALSE;
 	dock = dock->parent();
     }
@@ -1626,7 +1626,7 @@ bool TQMainWindow::eventFilter( TQObject* o, TQEvent *e )
 	    setUpLayout();
 	d->tll->activate();
     } else if ( e->type() == TQEvent::ContextMenu && d->dockMenu &&
-	( ::qt_cast<TQDockArea*>(o) && dockMainWindow( o ) || o == d->hideDock || o == d->mb ) ) {
+	( ::tqt_cast<TQDockArea*>(o) && dockMainWindow( o ) || o == d->hideDock || o == d->mb ) ) {
 	if ( showDockMenu( ( (TQMouseEvent*)e )->globalPos() ) ) {
 	    ( (TQContextMenuEvent*)e )->accept();
 	    return TRUE;
@@ -1657,13 +1657,13 @@ void TQMainWindow::childEvent( TQChildEvent* e)
 	    d->mc = 0;
 	    d->mwl->setCentralWidget( 0 );
 	    triggerLayout();
-	} else if ( ::qt_cast<TQDockWindow*>(e->child()) ) {
+	} else if ( ::tqt_cast<TQDockWindow*>(e->child()) ) {
 	    removeDockWindow( (TQDockWindow *)(e->child()) );
 	    d->appropriate.remove( (TQDockWindow*)e->child() );
 	    triggerLayout();
 	}
     } else if ( e->type() == TQEvent::ChildInserted && !d->sb ) {
-	d->sb = ::qt_cast<TQStatusBar*>(e->child());
+	d->sb = ::tqt_cast<TQStatusBar*>(e->child());
 	if ( d->sb ) {
 	    if ( d->tll ) {
 		if ( !d->tll->findWidget( d->sb ) )
@@ -1923,7 +1923,7 @@ TQPtrList<TQToolBar> TQMainWindow::toolBars( Dock dock ) const
     TQPtrList<TQDockWindow> lst = dockWindows( dock );
     TQPtrList<TQToolBar> tbl;
     for ( TQDockWindow *w = lst.first(); w; w = lst.next() ) {
-	TQToolBar *tb = ::qt_cast<TQToolBar*>(w);
+	TQToolBar *tb = ::tqt_cast<TQToolBar*>(w);
 	if ( tb )
 	    tbl.append( tb );
     }
@@ -1965,7 +1965,7 @@ TQPtrList<TQDockWindow> TQMainWindow::dockWindows( Dock dock ) const
 	    TQObject *o;
 	    while ( ( o = it.current() ) ) {
 		++it;
-		TQDockWindow *dw = ::qt_cast<TQDockWindow*>(o);
+		TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(o);
 		if ( !dw )
 		    continue;
 		lst.append( dw );
@@ -2199,7 +2199,7 @@ void TQMainWindow::menuAboutToShow()
 	if ( dockWindows == AllDockWindows || dockWindows == NoToolBars ) {
 	    for ( o = l->first(); o; o = l->next() ) {
 		TQDockWindow *dw = (TQDockWindow*)o;
-		if ( !appropriate( dw ) || ::qt_cast<TQToolBar*>(dw) || !dockMainWindow( dw ) )
+		if ( !appropriate( dw ) || ::tqt_cast<TQToolBar*>(dw) || !dockMainWindow( dw ) )
 		    continue;
 		TQString label = dw->caption();
 		if ( !label.isEmpty() ) {
@@ -2217,7 +2217,7 @@ void TQMainWindow::menuAboutToShow()
 #ifndef QT_NO_TOOLBAR
 	if ( dockWindows == AllDockWindows || dockWindows == OnlyToolBars ) {
 	    for ( o = l->first(); o; o = l->next() ) {
-		TQToolBar *tb = ::qt_cast<TQToolBar*>(o);
+		TQToolBar *tb = ::tqt_cast<TQToolBar*>(o);
 		if ( !tb || !appropriate(tb) || !dockMainWindow(tb) )
 		    continue;
 		TQString label = tb->label();
@@ -2277,11 +2277,11 @@ bool TQMainWindow::showDockMenu( const TQPoint &globalPos )
 void TQMainWindow::slotPlaceChanged()
 {
     TQObject* obj = (TQObject*)sender();
-    TQDockWindow *dw = ::qt_cast<TQDockWindow*>(obj);
+    TQDockWindow *dw = ::tqt_cast<TQDockWindow*>(obj);
     if ( dw )
 	emit dockWindowPositionChanged( dw );
 #ifndef QT_NO_TOOLBAR
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(obj);
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(obj);
     if ( tb )
 	emit toolBarPositionChanged( tb );
 #endif
@@ -2532,7 +2532,7 @@ static void loadDockArea( const TQStringList &names, TQDockArea *a, TQt::Dock d,
 	    if ( state == Visible && c == ']' ) {
 		for ( TQDockWindow *dw = l.first(); dw; dw = l.next() ) {
 		    if ( TQString( dw->caption() ) == name ) {
-			if ( !::qt_cast<TQToolBar*>(dw) )
+			if ( !::tqt_cast<TQToolBar*>(dw) )
 			    dw->setGeometry( x.toInt(), y.toInt(), w.toInt(), h.toInt() );
 			else
 			    dw->setGeometry( x.toInt(), y.toInt(), dw->width(), dw->height() );
diff --git a/src/widgets/qmenubar.cpp b/src/widgets/qmenubar.cpp
index ed592df6..02ee71b2 100644
--- a/src/widgets/qmenubar.cpp
+++ b/src/widgets/qmenubar.cpp
@@ -392,7 +392,7 @@ void TQMenuBar::performDelayedContentsChanged()
     if ( isVisible() ) {
 	update();
 #ifndef QT_NO_MAINWINDOW
-	TQMainWindow *mw = ::qt_cast<TQMainWindow*>(parent());
+	TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(parent());
 	if ( mw ) {
 	    mw->triggerLayout();
 	    mw->update();
@@ -515,7 +515,7 @@ bool TQMenuBar::eventFilter( TQObject *object, TQEvent *event )
 {
     if ( object == parent() && object
 #ifndef QT_NO_TOOLBAR
-	 && !::qt_cast<TQToolBar*>(object)
+	 && !::tqt_cast<TQToolBar*>(object)
 #endif
 	 && event->type() == TQEvent::Resize ) {
 	TQResizeEvent *e = (TQResizeEvent *)event;
@@ -843,7 +843,7 @@ void TQMenuBar::show()
 #endif
 
 #ifndef QT_NO_MAINWINDOW
-    TQMainWindow *mw = ::qt_cast<TQMainWindow*>(parent());
+    TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(parent());
     if ( mw ) //### ugly workaround
 	mw->triggerLayout();
 #endif
@@ -861,7 +861,7 @@ void TQMenuBar::hide()
     setAltMode( FALSE );
     hidePopups();
 #ifndef QT_NO_MAINWINDOW
-    TQMainWindow *mw = ::qt_cast<TQMainWindow*>(parent());
+    TQMainWindow *mw = ::tqt_cast<TQMainWindow*>(parent());
     if ( mw ) //### ugly workaround
 	mw->triggerLayout();
 #endif
@@ -1630,7 +1630,7 @@ TQSize TQMenuBar::sizeHint() const
 TQSize TQMenuBar::minimumSize() const
 {
 #ifndef QT_NO_TOOLBAR
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(parent());
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(parent());
     if ( tb )
 	return sizeHint();
 #endif
diff --git a/src/widgets/qmenudata.cpp b/src/widgets/qmenudata.cpp
index 437234dc..ef385ab1 100644
--- a/src/widgets/qmenudata.cpp
+++ b/src/widgets/qmenudata.cpp
@@ -293,7 +293,7 @@ int TQMenuData::insertAny( const TQString *text, const TQPixmap *pixmap,
     }
 
     mitems->insert( index, mi );
-    TQPopupMenu* p = ::qt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
+    TQPopupMenu* p = ::tqt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
     if (p && p->isVisible() && p->mitems) {
 	p->mitems->clear();
 	for ( TQMenuItemListIt it( *mitems ); it.current(); ++it ) {
@@ -821,7 +821,7 @@ void TQMenuData::removeItemAt( int index )
     if ( mi->popup_menu )
 	menuDelPopup( mi->popup_menu );
     mitems->remove();
-    TQPopupMenu* p = ::qt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
+    TQPopupMenu* p = ::tqt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
     if (p && p->isVisible() && p->mitems) {
 	p->mitems->clear();
 	for ( TQMenuItemListIt it( *mitems ); it.current(); ++it ) {
@@ -849,7 +849,7 @@ void TQMenuData::clear()
 	mitems->remove();
 	mi = mitems->current();
     }
-    TQPopupMenu* p = ::qt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
+    TQPopupMenu* p = ::tqt_cast<TQPopupMenu*>(TQMenuData::d->aWidget);
     if (p && p->isVisible() && p->mitems) {
 	p->mitems->clear();
     }
diff --git a/src/widgets/qpushbutton.cpp b/src/widgets/qpushbutton.cpp
index 09e57b11..3e3925ab 100644
--- a/src/widgets/qpushbutton.cpp
+++ b/src/widgets/qpushbutton.cpp
@@ -335,7 +335,7 @@ void TQPushButton::init()
     hasMenuArrow = FALSE;
     flt = FALSE;
 #ifndef QT_NO_DIALOG
-    autoDefButton = ::qt_cast<TQDialog*>(topLevelWidget()) != 0;
+    autoDefButton = ::tqt_cast<TQDialog*>(topLevelWidget()) != 0;
 #else
     autoDefButton = FALSE;
 #endif
@@ -389,7 +389,7 @@ void TQPushButton::setDefault( bool enable )
 	return;					// no change
     defButton = enable;
 #ifndef QT_NO_DIALOG
-    if ( defButton && ::qt_cast<TQDialog*>(topLevelWidget()) )
+    if ( defButton && ::tqt_cast<TQDialog*>(topLevelWidget()) )
  	((TQDialog*)topLevelWidget())->setMainDefault( this );
 #endif
     update();
@@ -613,7 +613,7 @@ void TQPushButton::focusInEvent( TQFocusEvent *e )
     if (autoDefButton && !defButton) {
 	defButton = TRUE;
 #ifndef QT_NO_DIALOG
-	if ( defButton && ::qt_cast<TQDialog*>(topLevelWidget()) )
+	if ( defButton && ::tqt_cast<TQDialog*>(topLevelWidget()) )
  	    ((TQDialog*)topLevelWidget())->setDefault( this );
 #endif
     }
@@ -627,7 +627,7 @@ void TQPushButton::focusOutEvent( TQFocusEvent *e )
 {
 #ifndef QT_NO_DIALOG
     if ( defButton && autoDefButton ) {
-	if ( ::qt_cast<TQDialog*>(topLevelWidget()) )
+	if ( ::tqt_cast<TQDialog*>(topLevelWidget()) )
 	    ((TQDialog*)topLevelWidget())->setDefault( 0 );
     }
 #endif
@@ -706,7 +706,7 @@ void TQPushButton::popupPressed()
 	bool horizontal = TRUE;
 	bool topLeft = TRUE;			// ### always TRUE
 #ifndef QT_NO_TOOLBAR
-	TQToolBar *tb = ::qt_cast<TQToolBar*>(parentWidget());
+	TQToolBar *tb = ::tqt_cast<TQToolBar*>(parentWidget());
 	if ( tb && tb->orientation() == Vertical )
 	    horizontal = FALSE;
 #endif
diff --git a/src/widgets/qradiobutton.cpp b/src/widgets/qradiobutton.cpp
index d04c0ff1..10bbc8be 100644
--- a/src/widgets/qradiobutton.cpp
+++ b/src/widgets/qradiobutton.cpp
@@ -139,7 +139,7 @@ void TQRadioButton::init()
     setSizePolicy( TQSizePolicy( TQSizePolicy::Minimum, TQSizePolicy::Fixed ) );
     setToggleButton( TRUE );
 #ifndef QT_NO_BUTTONGROUP
-    TQButtonGroup *bgrp = ::qt_cast<TQButtonGroup*>(parentWidget());
+    TQButtonGroup *bgrp = ::tqt_cast<TQButtonGroup*>(parentWidget());
     if ( bgrp )
 	bgrp->setRadioButtonExclusive( TRUE );
 #endif
diff --git a/src/widgets/qscrollview.cpp b/src/widgets/qscrollview.cpp
index 20d0adeb..1938ff23 100644
--- a/src/widgets/qscrollview.cpp
+++ b/src/widgets/qscrollview.cpp
@@ -2385,7 +2385,7 @@ void TQScrollView::frameChanged()
 {
     // slight ugle-hack - the listview header needs readjusting when
     // changing the frame
-    if (TQListView *lv = ::qt_cast<TQListView *>(this))
+    if (TQListView *lv = ::tqt_cast<TQListView *>(this))
         lv->triggerUpdate();
     TQFrame::frameChanged();
     updateScrollBars();
diff --git a/src/widgets/qsplashscreen.cpp b/src/widgets/qsplashscreen.cpp
index 1896269b..3aec8a23 100644
--- a/src/widgets/qsplashscreen.cpp
+++ b/src/widgets/qsplashscreen.cpp
@@ -214,8 +214,8 @@ void TQSplashScreen::finish( TQWidget *mainWin )
 {
     if ( mainWin ) {
 #if defined(Q_WS_X11)
-	extern void qt_wait_for_window_manager( TQWidget *mainWin );
-	qt_wait_for_window_manager( mainWin );
+	extern void tqt_wait_for_window_manager( TQWidget *mainWin );
+	tqt_wait_for_window_manager( mainWin );
 #endif
     }
     close();
diff --git a/src/widgets/qsplitter.cpp b/src/widgets/qsplitter.cpp
index 95ec5d5a..cedb498b 100644
--- a/src/widgets/qsplitter.cpp
+++ b/src/widgets/qsplitter.cpp
@@ -901,7 +901,7 @@ void TQSplitter::recalc( bool update )
 	}
     }
     if ( empty ) {
-	if ( ::qt_cast<TQSplitter*>(parentWidget()) ) {
+	if ( ::tqt_cast<TQSplitter*>(parentWidget()) ) {
 	    // nested splitters; be nice
 	    maxl = maxt = 0;
 	} else {
diff --git a/src/widgets/qtabbar.cpp b/src/widgets/qtabbar.cpp
index dcee1508..697b28f5 100644
--- a/src/widgets/qtabbar.cpp
+++ b/src/widgets/qtabbar.cpp
@@ -614,7 +614,7 @@ void TQTabBar::paint( TQPainter * p, TQTab * t, bool selected ) const
     int h = TQMAX(fm.height() + 4, ih );
     int offset = 3;
 #ifdef Q_WS_MAC
-    if (::qt_cast<TQMacStyle *>(&style()))
+    if (::tqt_cast<TQMacStyle *>(&style()))
         offset = 0;
 #endif
     paintLabel( p, TQRect( r.left() + (r.width()-w)/2 - offset,
diff --git a/src/widgets/qtabwidget.cpp b/src/widgets/qtabwidget.cpp
index bb2eccf8..43c9c76d 100644
--- a/src/widgets/qtabwidget.cpp
+++ b/src/widgets/qtabwidget.cpp
@@ -243,7 +243,7 @@ TQTabWidget::TQTabWidget( TQWidget *parent, const char *name, WFlags f )
 
     installEventFilter( this );
 #ifdef Q_OS_MACX
-    if (::qt_cast<TQMacStyle*>(&style()))
+    if (::tqt_cast<TQMacStyle*>(&style()))
         setMargin(10); // According to HIGuidelines at least.
 #endif
 }
diff --git a/src/widgets/qtextedit.cpp b/src/widgets/qtextedit.cpp
index 9a5502c1..df41d2d0 100644
--- a/src/widgets/qtextedit.cpp
+++ b/src/widgets/qtextedit.cpp
@@ -2503,7 +2503,7 @@ void TQTextEdit::contentsMouseReleaseEvent( TQMouseEvent * e )
 	    TQUrl u( doc->context(), onLink, TRUE );
 	    emitLinkClicked( u.toString( FALSE, FALSE ) );
 	}
-	if (::qt_cast<TQTextBrowser*>(this)) { // change for 4.0
+	if (::tqt_cast<TQTextBrowser*>(this)) { // change for 4.0
 	    TQConnectionList *clist = receivers(
 			"anchorClicked(const TQString&,const TQString&)");
 	    if (!signalsBlocked() && clist) {
@@ -4907,7 +4907,7 @@ bool TQTextEdit::handleReadOnlyKeyEvent( TQKeyEvent *e )
 		emitLinkClicked( u.toString( FALSE, FALSE ) );
 	    }
 	    if (!doc->focusIndicator.name.isEmpty()) {
-		if (::qt_cast<TQTextBrowser*>(this)) { // change for 4.0
+		if (::tqt_cast<TQTextBrowser*>(this)) { // change for 4.0
 		    TQConnectionList *clist = receivers(
 			    "anchorClicked(const TQString&,const TQString&)");
 		    if (!signalsBlocked() && clist) {
diff --git a/src/widgets/qtitlebar.cpp b/src/widgets/qtitlebar.cpp
index 1bf94d6d..8fc3ca46 100644
--- a/src/widgets/qtitlebar.cpp
+++ b/src/widgets/qtitlebar.cpp
@@ -70,7 +70,7 @@ public:
 
     void maybeTip( const TQPoint &pos )
     {
-	if ( !::qt_cast<TQTitleBar*>(parentWidget()) )
+	if ( !::tqt_cast<TQTitleBar*>(parentWidget()) )
 	    return;
 	TQTitleBar *t = (TQTitleBar *)parentWidget();
 
@@ -404,7 +404,7 @@ void TQTitleBar::mouseMoveEvent( TQMouseEvent * e)
 		TQPoint p = mapFromGlobal(e->globalPos());
 #ifndef QT_NO_WORKSPACE
 		if(d->window && d->window->parentWidget()->inherits("TQWorkspaceChild")) {
-		    TQWorkspace *workspace = ::qt_cast<TQWorkspace*>(d->window->parentWidget()->parentWidget());
+		    TQWorkspace *workspace = ::tqt_cast<TQWorkspace*>(d->window->parentWidget()->parentWidget());
 		    if(workspace) {
 			p = workspace->mapFromGlobal( e->globalPos() );
 			if ( !workspace->rect().contains(p) ) {
diff --git a/src/widgets/qtoolbar.cpp b/src/widgets/qtoolbar.cpp
index 2a48bf62..b465faff 100644
--- a/src/widgets/qtoolbar.cpp
+++ b/src/widgets/qtoolbar.cpp
@@ -435,7 +435,7 @@ void TQToolBar::styleChange( TQStyle& )
         TQObject *ob = 0;
 	for ( ob = childs->first(); ob; ob = childs->next() ) {
 	    TQWidget *w = (TQWidget*)ob;
-            if ( ::qt_cast<TQToolButton*>(w) || ::qt_cast<TQToolBarSeparator*>(w) )
+            if ( ::tqt_cast<TQToolButton*>(w) || ::tqt_cast<TQToolBarSeparator*>(w) )
                 w->setStyle( &style() );
         }
     }
@@ -632,7 +632,7 @@ void TQToolBar::createPopup()
 	}
 	TQWidget *w = (TQWidget*)it.current();
 #ifndef QT_NO_COMBOBOX
-	if ( ::qt_cast<TQComboBox*>(w) )
+	if ( ::tqt_cast<TQComboBox*>(w) )
 	    j = 1;
 #endif
 	hide = FALSE;
@@ -646,7 +646,7 @@ void TQToolBar::createPopup()
 	}
 	if ( hide && w->isVisible() ) {
 	    doHide = TRUE;
-	    if ( ::qt_cast<TQToolButton*>(w) ) {
+	    if ( ::tqt_cast<TQToolButton*>(w) ) {
 		TQToolButton *b = (TQToolButton*)w;
 	        TQString s = b->textLabel();
 	        if ( s.isEmpty() )
@@ -659,7 +659,7 @@ void TQToolBar::createPopup()
 		    d->extensionPopup->setItemChecked( id, b->isOn() );
 		if ( !b->isEnabled() )
 		    d->extensionPopup->setItemEnabled( id, FALSE );
-	    } else if ( ::qt_cast<TQButton*>(w) ) {
+	    } else if ( ::tqt_cast<TQButton*>(w) ) {
 		TQButton *b = (TQButton*)w;
 		TQString s = b->text();
 		if ( s.isEmpty() )
@@ -673,7 +673,7 @@ void TQToolBar::createPopup()
 		if ( !b->isEnabled() )
 		    d->extensionPopup->setItemEnabled( id, FALSE );
 #ifndef QT_NO_COMBOBOX
-	    } else if ( ::qt_cast<TQComboBox*>(w) ) {
+	    } else if ( ::tqt_cast<TQComboBox*>(w) ) {
 		TQComboBox *c = (TQComboBox*)w;
 		if ( c->count() != 0 ) {
 #ifndef QT_NO_WIDGET_TOPEXTRA
diff --git a/src/widgets/qtoolbox.cpp b/src/widgets/qtoolbox.cpp
index 05793a7d..74f1e604 100644
--- a/src/widgets/qtoolbox.cpp
+++ b/src/widgets/qtoolbox.cpp
@@ -393,7 +393,7 @@ int TQToolBox::insertItem( int index, TQWidget *item, const TQIconSet &iconSet,
 
 void TQToolBox::buttonClicked()
 {
-    TQToolBoxButton *tb = ::qt_cast<TQToolBoxButton*>(sender());
+    TQToolBoxButton *tb = ::tqt_cast<TQToolBoxButton*>(sender());
     TQWidget* item = 0;
     for ( TQToolBoxPrivate::PageList::ConstIterator i = d->pageList.constBegin(); i != d->pageList.constEnd(); ++i )
 	if ( (*i).button == tb ) {
diff --git a/src/widgets/qtoolbutton.cpp b/src/widgets/qtoolbutton.cpp
index 26f5607f..e7f7e6db 100644
--- a/src/widgets/qtoolbutton.cpp
+++ b/src/widgets/qtoolbutton.cpp
@@ -144,7 +144,7 @@ TQToolButton::TQToolButton( TQWidget * parent, const char *name )
 {
     init();
 #ifndef QT_NO_TOOLBAR
-    TQToolBar* tb = ::qt_cast<TQToolBar*>(parent);
+    TQToolBar* tb = ::tqt_cast<TQToolBar*>(parent);
     if ( tb ) {
 	setAutoRaise( TRUE );
 	if ( tb->mainWindow() ) {
@@ -910,7 +910,7 @@ void TQToolButton::popupTimerDone()
     setAutoRepeat( FALSE );
     bool horizontal = TRUE;
 #ifndef QT_NO_TOOLBAR
-    TQToolBar *tb = ::qt_cast<TQToolBar*>(parentWidget());
+    TQToolBar *tb = ::tqt_cast<TQToolBar*>(parentWidget());
     if ( tb && tb->orientation() == Vertical )
 	horizontal = FALSE;
 #endif
diff --git a/src/widgets/qwidgetplugin.cpp b/src/widgets/qwidgetplugin.cpp
index 37b5156b..58c1e2c0 100644
--- a/src/widgets/qwidgetplugin.cpp
+++ b/src/widgets/qwidgetplugin.cpp
@@ -237,7 +237,7 @@ bool TQWidgetPluginPrivate::canUnload() const
 #ifdef QT_CONTAINER_CUSTOM_WIDGETS
 TQWidget* TQWidgetPluginPrivate::containerOfWidget( const TQString &key, TQWidget *widget ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->containerOfWidget( key, widget );
     return widget;
@@ -245,7 +245,7 @@ TQWidget* TQWidgetPluginPrivate::containerOfWidget( const TQString &key, TQWidge
 
 int TQWidgetPluginPrivate::count( const TQString &key, TQWidget *container ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->count( key, container );
     return 0;
@@ -253,7 +253,7 @@ int TQWidgetPluginPrivate::count( const TQString &key, TQWidget *container ) con
 
 int TQWidgetPluginPrivate::currentIndex( const TQString &key, TQWidget *container ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->currentIndex( key, container );
     return -1;
@@ -261,7 +261,7 @@ int TQWidgetPluginPrivate::currentIndex( const TQString &key, TQWidget *containe
 
 TQString TQWidgetPluginPrivate::pageLabel( const TQString &key, TQWidget *container, int index ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->pageLabel( key, container, index );
     return TQString::null;
@@ -269,7 +269,7 @@ TQString TQWidgetPluginPrivate::pageLabel( const TQString &key, TQWidget *contai
 
 TQWidget *TQWidgetPluginPrivate::page( const TQString &key, TQWidget *container, int index ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->page( key, container, index );
     return 0;
@@ -277,7 +277,7 @@ TQWidget *TQWidgetPluginPrivate::page( const TQString &key, TQWidget *container,
 
 bool TQWidgetPluginPrivate::isPassiveInteractor( const TQString &key, TQWidget *widget ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->isPassiveInteractor( key, widget );
     return FALSE;
@@ -285,7 +285,7 @@ bool TQWidgetPluginPrivate::isPassiveInteractor( const TQString &key, TQWidget *
 
 bool TQWidgetPluginPrivate::supportsPages( const TQString &key ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->supportsPages( key );
     return 0;
@@ -294,7 +294,7 @@ bool TQWidgetPluginPrivate::supportsPages( const TQString &key ) const
 TQWidget *TQWidgetPluginPrivate::addPage( const TQString &key, TQWidget *container,
 				    const TQString &name, int index ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->addPage( key, container, name, index );
     return 0;
@@ -303,14 +303,14 @@ TQWidget *TQWidgetPluginPrivate::addPage( const TQString &key, TQWidget *contain
 void TQWidgetPluginPrivate::insertPage( const TQString &key, TQWidget *container,
 				       const TQString &name, int index, TQWidget *page ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	p->insertPage( key, container, name, index, page );
 }
 
 void TQWidgetPluginPrivate::removePage( const TQString &key, TQWidget *container, int index ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	p->removePage( key, container, index );
 }
@@ -318,7 +318,7 @@ void TQWidgetPluginPrivate::removePage( const TQString &key, TQWidget *container
 void TQWidgetPluginPrivate::movePage( const TQString &key, TQWidget *container,
 				     int fromIndex, int toIndex ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	p->movePage( key, container, fromIndex, toIndex );
 }
@@ -326,14 +326,14 @@ void TQWidgetPluginPrivate::movePage( const TQString &key, TQWidget *container,
 void TQWidgetPluginPrivate::renamePage( const TQString &key, TQWidget *container,
 				      int index, const TQString &newName ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	p->renamePage( key, container, index, newName );
 }
 
 TQWidgetList TQWidgetPluginPrivate::pages( const TQString &key, TQWidget *container ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->pages( key, container );
     return TQWidgetList();
@@ -342,7 +342,7 @@ TQWidgetList TQWidgetPluginPrivate::pages( const TQString &key, TQWidget *contai
 TQString TQWidgetPluginPrivate::createCode( const TQString &key, const TQString &container,
 					  const TQString &page, const TQString &pageName ) const
 {
-    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->qt_cast( "TQWidgetContainerPlugin" );
+    TQWidgetContainerPlugin *p = (TQWidgetContainerPlugin*)plugin->tqt_cast( "TQWidgetContainerPlugin" );
     if ( p )
 	return p->createCode( key, container, page, pageName );
     return TQString::null;
diff --git a/src/widgets/qwidgetresizehandler.cpp b/src/widgets/qwidgetresizehandler.cpp
index f0d21a60..80339a4f 100644
--- a/src/widgets/qwidgetresizehandler.cpp
+++ b/src/widgets/qwidgetresizehandler.cpp
@@ -60,7 +60,7 @@ TQWidgetResizeHandler::TQWidgetResizeHandler( TQWidget *parent, TQWidget *cw, co
 {
     mode = Nowhere;
     widget->setMouseTracking( TRUE );
-    TQFrame *frame = ::qt_cast<TQFrame*>(widget);
+    TQFrame *frame = ::tqt_cast<TQFrame*>(widget);
     range = frame ? frame->frameWidth() : RANGE;
     range = TQMAX( RANGE, range );
     activeForMove = activeForResize = TRUE;
@@ -114,7 +114,7 @@ bool TQWidgetResizeHandler::eventFilter( TQObject *o, TQEvent *ee )
     TQWidget *w = childOf( widget, (TQWidget*)o );
     if ( !w
 #ifndef QT_NO_SIZEGRIP
-	 || ::qt_cast<TQSizeGrip*>(o)
+	 || ::tqt_cast<TQSizeGrip*>(o)
 #endif
 	 || tqApp->activePopupWidget() ) {
 	if ( buttonDown && ee->type() == TQEvent::MouseButtonRelease )
@@ -234,7 +234,7 @@ void TQWidgetResizeHandler::mouseMoveEvent( TQMouseEvent *e )
     int mh = TQMAX( childWidget->minimumSizeHint().height(),
 		   childWidget->minimumHeight() );
     if ( childWidget != widget ) {
-	TQFrame *frame = ::qt_cast<TQFrame*>(widget);
+	TQFrame *frame = ::tqt_cast<TQFrame*>(widget);
 	if ( frame )
 	    fw = frame->frameWidth();
 	mw += 2 * fw;