Rename a number of old tq methods that are no longer tq specific

125 files changed, 495 insertions, 495 deletions

diff --git a/src/canvasitemparts.cpp b/src/canvasitemparts.cpp
index 6d20edc..67eb986 100644
--- a/src/canvasitemparts.cpp
+++ b/src/canvasitemparts.cpp
@@ -352,17 +352,17 @@ bool Button::state() const
 
 TQRect Button::recommendedRect() const
 {
-	TQSize tqsizeHint = m_button->tqsizeHint();
-	if ( tqsizeHint.width() < m_originalRect.width() )
-		tqsizeHint.setWidth( m_originalRect.width() );
+	TQSize sizeHint = m_button->sizeHint();
+	if ( sizeHint.width() < m_originalRect.width() )
+		sizeHint.setWidth( m_originalRect.width() );
 	
 	// Hmm...for now, lets just keep the recomended rect the same height as the original rect
-	tqsizeHint.setHeight( m_originalRect.height() );
+	sizeHint.setHeight( m_originalRect.height() );
 	
-	int hdw = (tqsizeHint.width() - m_originalRect.width())/2;
-	int hdh = (tqsizeHint.height() - m_originalRect.height())/2;
+	int hdw = (sizeHint.width() - m_originalRect.width())/2;
+	int hdh = (sizeHint.height() - m_originalRect.height())/2;
 	
-	return TQRect( m_originalRect.x()-hdw, m_originalRect.y()-hdh, tqsizeHint.width(), tqsizeHint.height() );
+	return TQRect( m_originalRect.x()-hdw, m_originalRect.y()-hdh, sizeHint.width(), sizeHint.height() );
 }
 
 
diff --git a/src/circuitview.cpp b/src/circuitview.cpp
index d14573c..409296a 100644
--- a/src/circuitview.cpp
+++ b/src/circuitview.cpp
@@ -62,8 +62,8 @@ CircuitView::CircuitView( CircuitDocument * circuitDocument, ViewContainer *view
 	m_pViewIface = new CircuitViewIface(this);
 	
 	m_statusBar->insertItem( "", ViewStatusBar::SimulationState );
-	connect( Simulator::self(), TQT_SIGNAL(simulatingStateChanged(bool )), this, TQT_SLOT(slotUpdateRunningtqStatus(bool )) );
-	slotUpdateRunningtqStatus( Simulator::self()->isSimulating() );
+	connect( Simulator::self(), TQT_SIGNAL(simulatingStateChanged(bool )), this, TQT_SLOT(slotUpdateRunningStatus(bool )) );
+	slotUpdateRunningStatus( Simulator::self()->isSimulating() );
 }
 
 
@@ -74,7 +74,7 @@ CircuitView::~CircuitView()
 }
 
 
-void CircuitView::slotUpdateRunningtqStatus( bool isRunning )
+void CircuitView::slotUpdateRunningStatus( bool isRunning )
 {
 	m_statusBar->changeItem( isRunning ? i18n("Simulation Running") : i18n("Simulation Paused"), ViewStatusBar::SimulationState );
 }
diff --git a/src/circuitview.h b/src/circuitview.h
index 162c79b..d380557 100644
--- a/src/circuitview.h
+++ b/src/circuitview.h
@@ -27,7 +27,7 @@ public:
 	~CircuitView();
 
 public slots:
-	virtual void slotUpdateRunningtqStatus( bool isRunning );
+	virtual void slotUpdateRunningStatus( bool isRunning );
 
 protected:
 	virtual void dragEnterEvent( TQDragEnterEvent * e );
diff --git a/src/cnitem.cpp b/src/cnitem.cpp
index acf662c..b6d75c9 100644
--- a/src/cnitem.cpp
+++ b/src/cnitem.cpp
@@ -65,8 +65,8 @@ int CNItem::rtti() const
 
 bool CNItem::preResize( TQRect sizeRect )
 {
-	if ( (std::abs((double)sizeRect.width()) < tqminimumSize().width()) ||
-		 (std::abs((double)sizeRect.height()) < tqminimumSize().height()) )
+	if ( (std::abs((double)sizeRect.width()) < minimumSize().width()) ||
+		 (std::abs((double)sizeRect.height()) < minimumSize().height()) )
 		return false;
 	
 	updateConnectorPoints(false);
@@ -84,16 +84,16 @@ void CNItem::setVisible( bool yes )
 {
 	if (b_deleted)
 	{
-		Item::tqsetVisible(false);
+		Item::setVisible(false);
 		return;
 	}
 	
-	Item::tqsetVisible(yes);
+	Item::setVisible(yes);
 	
 	const TextMap::iterator textMapEnd = m_textMap.end();
 	for ( TextMap::iterator it = m_textMap.begin(); it != textMapEnd; ++it )
 	{
-		it.data()->tqsetVisible(yes);
+		it.data()->setVisible(yes);
 	}
 
 	const NodeMap::iterator nodeMapEnd = m_nodeMap.end();
@@ -133,8 +133,8 @@ void CNItem::updateNodeLevels()
 		it.data().node->setLevel(l);
 	}
 	
-	const ItemList::iterator end = m_tqchildren.end();
-	for ( ItemList::iterator it = m_tqchildren.begin(); it != end; ++it )
+	const ItemList::iterator end = m_children.end();
+	for ( ItemList::iterator it = m_children.begin(); it != end; ++it )
 	{
 		if ( CNItem *cnItem = dynamic_cast<CNItem*>((Item*)*it) )
 			cnItem->updateNodeLevels();
diff --git a/src/cnitem.h b/src/cnitem.h
index eb8f80a..04fcc62 100644
--- a/src/cnitem.h
+++ b/src/cnitem.h
@@ -165,7 +165,7 @@ protected:
 	 * @param pos is the position that the text occupies relative to the top left corner of the CNItem.
 	 * @param display is the actual text to be displayed.
 	 * @param internal is used to determine the z-level of the text - whether it should be below or above the item
-	 * @param flags Text tqalignment flags - TQt::AlignmentFlags and TQt::TextFlags OR'd together.
+	 * @param flags Text alignment flags - TQt::AlignmentFlags and TQt::TextFlags OR'd together.
 	 */
 	Text* addDisplayText( const TQString &id, const TQRect & pos, const TQString &display, bool internal = true, int flags = TQt::AlignHCenter | TQt::AlignVCenter );
 	void setDisplayText( const TQString &id, const TQString &display );
diff --git a/src/cnitemgroup.h b/src/cnitemgroup.h
index 25dc3ae..18c65e6 100644
--- a/src/cnitemgroup.h
+++ b/src/cnitemgroup.h
@@ -138,13 +138,13 @@ public:
 	/**
 	 * Returns a list of all the Nodes in the group.
 	 * @param excludeParented if false, then nodes that are fully contained
-	 * within item tqchildren will also be returned.
+	 * within item children will also be returned.
 	 */
 	NodeList nodes( bool excludeParented = true ) const;
 	/**
 	 * Returns a list of all the Connectors in the group.
 	 * @param excludeParented if false, then connectors that are fully contained
-	 * within item tqchildren will also be returned.
+	 * within item children will also be returned.
 	 */
 	ConnectorList connectors( bool excludeParented = true ) const;
 	/**
diff --git a/src/connector.cpp b/src/connector.cpp
index 6d64377..182a809 100644
--- a/src/connector.cpp
+++ b/src/connector.cpp
@@ -585,7 +585,7 @@ void Connector::setVisible( bool yes )
 	if ( !canvas() || isVisible() == yes )
 		return;
 	
-	TQCanvasPolygon::tqsetVisible(yes);
+	TQCanvasPolygon::setVisible(yes);
 	updateConnectorLines();
 }
 
@@ -616,7 +616,7 @@ void Connector::updateConnectorLines()
 		item->setZ(z);
 		item->setPen(pen);
 		item->setBrush(color);
-		item->tqsetVisible( isVisible() );
+		item->setVisible( isVisible() );
 	}
 }
 
diff --git a/src/docmanager.cpp b/src/docmanager.cpp
index 35b1c5a..7112a6e 100644
--- a/src/docmanager.cpp
+++ b/src/docmanager.cpp
@@ -99,7 +99,7 @@ Document* DocManager::openURL( const KURL &url, ViewArea *viewArea )
 		TQFile file(url.path());
 		if ( file.open(IO_ReadOnly) == false )
 		{
-			KMessageBox::sorry( 0l, i18n("Could not open '%1'").tqarg( url.prettyURL() ) );
+			KMessageBox::sorry( 0l, i18n("Could not open '%1'").arg( url.prettyURL() ) );
 			return 0l;
 		}
 		file.close();
@@ -166,7 +166,7 @@ TQString DocManager::untitledName( int type )
 		case Document::dt_circuit:
 		{
 			if ( m_countCircuit>1 )
-				name = i18n("Untitled (Circuit %1)").tqarg(TQString::number(m_countCircuit));
+				name = i18n("Untitled (Circuit %1)").arg(TQString::number(m_countCircuit));
 			else
 				name = i18n("Untitled (Circuit)");
 			m_countCircuit++;
@@ -175,7 +175,7 @@ TQString DocManager::untitledName( int type )
 		case Document::dt_flowcode:
 		{
 			if ( m_countFlowCode>1 )
-				name = i18n("Untitled (FlowCode %1)").tqarg(TQString::number(m_countFlowCode));
+				name = i18n("Untitled (FlowCode %1)").arg(TQString::number(m_countFlowCode));
 			else
 				name = i18n("Untitled (FlowCode)");
 			m_countFlowCode++;
@@ -184,7 +184,7 @@ TQString DocManager::untitledName( int type )
 		case Document::dt_mechanics:
 		{
 			if ( m_countMechanics>1 )
-				name = i18n("Untitled (Mechanics %1)").tqarg(TQString::number(m_countMechanics));
+				name = i18n("Untitled (Mechanics %1)").arg(TQString::number(m_countMechanics));
 			else
 				name = i18n("Untitled (Mechanics)");
 			m_countMechanics++;
@@ -193,7 +193,7 @@ TQString DocManager::untitledName( int type )
 		default:
 		{
 			if ( m_countOther>1 )
-				name = i18n("Untitled (%1)").tqarg(TQString::number(m_countOther));
+				name = i18n("Untitled (%1)").arg(TQString::number(m_countOther));
 			else
 				name = i18n("Untitled");
 			m_countOther++;
@@ -431,7 +431,7 @@ CircuitDocument *DocManager::openCircuitFile( const KURL &url, ViewArea *viewAre
 	
 	if ( !document->openURL(url) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open Circuit file \"%1\"").tqarg(url.prettyURL()) );
+		KMessageBox::sorry( 0l, i18n("Could not open Circuit file \"%1\"").arg(url.prettyURL()) );
 		document->deleteLater();
 		return 0l;
 	}
@@ -448,7 +448,7 @@ FlowCodeDocument *DocManager::openFlowCodeFile( const KURL &url, ViewArea *viewA
 	
 	if ( !document->openURL(url) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open FlowCode file \"%1\"").tqarg(url.prettyURL()) );
+		KMessageBox::sorry( 0l, i18n("Could not open FlowCode file \"%1\"").arg(url.prettyURL()) );
 		document->deleteLater();
 		return 0l;
 	}
@@ -465,7 +465,7 @@ MechanicsDocument *DocManager::openMechanicsFile( const KURL &url, ViewArea *vie
 	
 	if ( !document->openURL(url) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open Mechanics file \"%1\"").tqarg(url.prettyURL()) );
+		KMessageBox::sorry( 0l, i18n("Could not open Mechanics file \"%1\"").arg(url.prettyURL()) );
 		document->deleteLater();
 		return 0l;
 	}
@@ -486,7 +486,7 @@ TextDocument *DocManager::openTextFile( const KURL &url, ViewArea *viewArea )
 	
 	if ( !document->openURL(url) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open text file \"%1\"").tqarg(url.prettyURL()) );
+		KMessageBox::sorry( 0l, i18n("Could not open text file \"%1\"").arg(url.prettyURL()) );
 		document->deleteLater();
 		return 0l;
 	}
diff --git a/src/document.cpp b/src/document.cpp
index 4cd0e6e..d27ecfc 100644
--- a/src/document.cpp
+++ b/src/document.cpp
@@ -110,7 +110,7 @@ bool Document::getURL( const TQString &types )
 	if ( TQFile::exists( url.path() ) )
 	{
 		int query = KMessageBox::warningYesNo( p_ktechlab,
-											   i18n( "A file named \"%1\" already exists. Are you sure you want to overwrite it?" ).tqarg( url.fileName() ),
+											   i18n( "A file named \"%1\" already exists. Are you sure you want to overwrite it?" ).arg( url.fileName() ),
 											   i18n( "Overwrite File?" ),
 											   i18n( "Overwrite" ),
 											   KStdGuiItem::cancel() );
@@ -135,7 +135,7 @@ bool Document::fileClose()
 			p_ktechlab->tabWidget()->setCurrentPage( p_ktechlab->tabWidget()->indexOf(viewContainer) );
 		
 		int choice = KMessageBox::warningYesNoCancel( p_ktechlab,
-				i18n("The document \'%1\' has been modified.\nDo you want to save it?").tqarg(name),
+				i18n("The document \'%1\' has been modified.\nDo you want to save it?").arg(name),
 				i18n("Save Document?"),
 				i18n("Save"),
 				i18n("Discard") );
diff --git a/src/drawparts/dptext.cpp b/src/drawparts/dptext.cpp
index e2d1060..73bcdd9 100644
--- a/src/drawparts/dptext.cpp
+++ b/src/drawparts/dptext.cpp
@@ -97,7 +97,7 @@ void DPText::postResize()
 }
 
 
-TQSize DPText::tqminimumSize() const
+TQSize DPText::minimumSize() const
 {
 	return TQSize( 48, 24 );
 }
diff --git a/src/drawparts/dptext.h b/src/drawparts/dptext.h
index 4cbc821..dc712c0 100644
--- a/src/drawparts/dptext.h
+++ b/src/drawparts/dptext.h
@@ -29,7 +29,7 @@ public:
 
 	virtual void setSelected( bool yes );
 	
-	virtual TQSize tqminimumSize() const;
+	virtual TQSize minimumSize() const;
 
 protected:
 	virtual void postResize();
diff --git a/src/drawparts/solidshape.cpp b/src/drawparts/solidshape.cpp
index 1760db9..c995fa2 100644
--- a/src/drawparts/solidshape.cpp
+++ b/src/drawparts/solidshape.cpp
@@ -101,7 +101,7 @@ void DPRectangle::dataChanged()
 }
 
 
-TQSize DPRectangle::tqminimumSize() const
+TQSize DPRectangle::minimumSize() const
 {
 	int side = TQMAX(16, pen().width()+2);
 	return TQSize( side, side );
diff --git a/src/drawparts/solidshape.h b/src/drawparts/solidshape.h
index 02bb49e..aa8a5fe 100644
--- a/src/drawparts/solidshape.h
+++ b/src/drawparts/solidshape.h
@@ -30,7 +30,7 @@ class DPRectangle : public DrawPart
 
 		virtual void setSelected( bool yes );
 	
-		virtual TQSize tqminimumSize() const;
+		virtual TQSize minimumSize() const;
 
 	protected:
 		virtual void drawShape( TQPainter &p );
diff --git a/src/electronics/component.cpp b/src/electronics/component.cpp
index c05993d..4c8b797 100644
--- a/src/electronics/component.cpp
+++ b/src/electronics/component.cpp
@@ -482,7 +482,7 @@ void Component::initDIPSymbol( const TQStringList & pins, int _width )
 }
 
 
-// 	TQString createNode( double _x, double _y, int tqshape, int orientation, const TQString &name, int type, bool isInput = true );
+// 	TQString createNode( double _x, double _y, int shape, int orientation, const TQString &name, int type, bool isInput = true );
 
 void Component::init1PinLeft( int h1 )
 {
diff --git a/src/electronics/component.h b/src/electronics/component.h
index 8a30315..a2b215f 100644
--- a/src/electronics/component.h
+++ b/src/electronics/component.h
@@ -244,7 +244,7 @@ class Component : public CNItem
 	
 	protected:
 		/**
-		 * Convenience functionality provided for components in a port tqshape
+		 * Convenience functionality provided for components in a port shape
 		 * (such as ParallelPortComponent and SerialPortComponent).
 		 */
 		void drawPortShape( TQPainter & p );
@@ -263,7 +263,7 @@ class Component : public CNItem
 		void initDIP( const TQStringList & pins );
 		/**
 		 * Creates the DIP symbol:
-		 * @li constructs rectangular tqshape
+		 * @li constructs rectangular shape
 		 * @li puts on text labels in appropriate positions from TQStringList pins
 		 */
 		void initDIPSymbol( const TQStringList & pins, int width );
diff --git a/src/electronics/components/bussplitter.cpp b/src/electronics/components/bussplitter.cpp
index 85619a4..6eb58e8 100644
--- a/src/electronics/components/bussplitter.cpp
+++ b/src/electronics/components/bussplitter.cpp
@@ -107,7 +107,7 @@ void BusSplitter::dataChanged()
 
 TQString BusSplitter::outNodeID( unsigned node ) const
 {
-	return TQString("out_%1").tqarg(TQString::number(node));
+	return TQString("out_%1").arg(TQString::number(node));
 }
 
 
diff --git a/src/electronics/components/eckeypad.cpp b/src/electronics/components/eckeypad.cpp
index c92a562..4a0ec7b 100644
--- a/src/electronics/components/eckeypad.cpp
+++ b/src/electronics/components/eckeypad.cpp
@@ -66,7 +66,7 @@ ECKeyPad::ECKeyPad( ICNDocument *icnDocument, bool newItem, const char *id )
 	v->setValue(5e-3);
 	
 	for ( int i = 0; i < 4; i++ )
-		createPin( 0, -32+i*24, 0, TQString("row_%1").tqarg(TQString::number(i)) );
+		createPin( 0, -32+i*24, 0, TQString("row_%1").arg(TQString::number(i)) );
 	
 	m_numCols = 0;
 }
@@ -79,7 +79,7 @@ ECKeyPad::~ECKeyPad()
 
 TQString ECKeyPad::buttonID( int row, int col ) const
 {
-	return TQString("b_%1_%2").tqarg(TQString::number(row)).tqarg(TQString::number(col));
+	return TQString("b_%1_%2").arg(TQString::number(row)).arg(TQString::number(col));
 }
 
 
diff --git a/src/electronics/components/ecpotentiometer.cpp b/src/electronics/components/ecpotentiometer.cpp
index 8f55ff5..e989c7c 100644
--- a/src/electronics/components/ecpotentiometer.cpp
+++ b/src/electronics/components/ecpotentiometer.cpp
@@ -98,7 +98,7 @@ void ECPotentiometer::drawShape( TQPainter &p )
 	pa[1] = TQPoint( 4, -3 );
 	pa[2] = TQPoint( 4, 3 );
 	
-	int space = m_pSlider->tqstyle().tqpixelMetric( TQStyle::PM_SliderSpaceAvailable, m_pSlider );
+	int space = m_pSlider->tqstyle().pixelMetric( TQStyle::PM_SliderSpaceAvailable, m_pSlider );
 	int base_y = _y + (( angleDegrees() == 0 || angleDegrees() == 270 ) ? 1 : -1) * int( space * m_sliderProp );
 	
 	pa.translate( _x+16, base_y );
diff --git a/src/electronics/components/magnitudecomparator.cpp b/src/electronics/components/magnitudecomparator.cpp
index 3e1f8f9..bae9b12 100644
--- a/src/electronics/components/magnitudecomparator.cpp
+++ b/src/electronics/components/magnitudecomparator.cpp
@@ -119,9 +119,9 @@ void MagnitudeComparator::initPins()
 	for ( int i = 0; i < space; i++ )
 		leftPins << "";
 	for ( int i = 0; i < newABLogicCount; i++ )
-		leftPins << TQString("A%1").tqarg( TQString::number(i) );
+		leftPins << TQString("A%1").arg( TQString::number(i) );
 	for ( int i = 0; i < newABLogicCount; i++ )
-		leftPins << TQString("B%1").tqarg( TQString::number(i) );
+		leftPins << TQString("B%1").arg( TQString::number(i) );
 	for ( int i = 0; i < space; i++ )
 		leftPins << "";
 	
diff --git a/src/electronics/components/matrixdisplay.cpp b/src/electronics/components/matrixdisplay.cpp
index c2a271d..4ba3dc6 100644
--- a/src/electronics/components/matrixdisplay.cpp
+++ b/src/electronics/components/matrixdisplay.cpp
@@ -223,11 +223,11 @@ void MatrixDisplay::initPins( unsigned numRows, unsigned numCols )
 
 TQString MatrixDisplay::colPinID( int col ) const
 {
-	return TQString("col_%1").tqarg(TQString::number(col));
+	return TQString("col_%1").arg(TQString::number(col));
 }
 TQString MatrixDisplay::rowPinID( int row ) const
 {
-	return TQString("row_%1").tqarg(TQString::number(row));
+	return TQString("row_%1").arg(TQString::number(row));
 }
 
 
diff --git a/src/electronics/components/parallelportcomponent.cpp b/src/electronics/components/parallelportcomponent.cpp
index 7a2ac55..6126c1e 100644
--- a/src/electronics/components/parallelportcomponent.cpp
+++ b/src/electronics/components/parallelportcomponent.cpp
@@ -87,7 +87,7 @@ ParallelPortComponent::ParallelPortComponent( ICNDocument *icnDocument, bool new
 	//BEGIN Data register
 	for ( int i = 0; i < 8; ++i )
 	{
-		TQString id = TQString("D%1").tqarg(i);
+		TQString id = TQString("D%1").arg(i);
 		TQString name = id;
 		
 		pin = createPin( -40, -80 + 16*i, 0, id );
@@ -99,20 +99,20 @@ ParallelPortComponent::ParallelPortComponent( ICNDocument *icnDocument, bool new
 	//END Data register
 	
 	
-	//BEGIN tqStatus register
+	//BEGIN Status register
 	TQString statusNames[] = { "ERR", "ON", "PE", "ACK", "BUSY" };
 	
 	// The statusIDs are referenced in the save file and must not change
 	TQString statusIDs[] = { "ERROR", "ONLINE", "PE", "ACK", "BUSY" };
 	
-	// Bits 0...2 in the tqStatus register are not used
+	// Bits 0...2 in the Status register are not used
 	for ( int i = 3; i < 8; ++i )
 	{
 		TQString id = statusIDs[i-3];
 		TQString name = statusNames[i-3];
 		
 		// Bit 3 (pin 15) doesn't not follow the same positioning pattern as
-		// the other pins in the tqStatus register.
+		// the other pins in the Status register.
 		if ( i == 3 )
 		{
 			pin = createPin( 40, -72, 180, id );
@@ -126,7 +126,7 @@ ParallelPortComponent::ParallelPortComponent( ICNDocument *icnDocument, bool new
 		
 		m_pLogic[i+8] = createLogicOut( pin, false );
 	}
-	//END tqStatus register
+	//END Status register
 	
 	
 	//BEGIN Control register
@@ -167,7 +167,7 @@ ParallelPortComponent::ParallelPortComponent( ICNDocument *icnDocument, bool new
 	// And make the rest of the pins ground
 	for ( int i = 0; i < 8; ++i )
 	{
-		pin = createPin( 40, -24 + i*16, 180, TQString("GND%1").tqarg( i ) );
+		pin = createPin( 40, -24 + i*16, 180, TQString("GND%1").arg( i ) );
 		pin->pin()->setGroundType( Pin::gt_always );
 	}
 #endif
@@ -200,7 +200,7 @@ void ParallelPortComponent::initPort( const TQString & port )
 	
 	if ( ! m_pParallelPort->openPort( port ) )
 	{
-		p_itemDocument->canvas()->setMessage( i18n("Could not open port %1").tqarg( port ) );
+		p_itemDocument->canvas()->setMessage( i18n("Could not open port %1").arg( port ) );
 		return;
 	}
 }
@@ -228,8 +228,8 @@ void ParallelPortComponent::controlCallback( bool )
 
 void ParallelPortComponent::stepNonLogic()
 {
-	uchar status = m_pParallelPort->readFromRegister( ParallelPort::tqStatus );
-	// Bits 0...2 in the tqStatus register are not used
+	uchar status = m_pParallelPort->readFromRegister( ParallelPort::Status );
+	// Bits 0...2 in the Status register are not used
 	for ( int i = 3; i < 8; ++i )
 		m_pLogic[i + 8]->setHigh( status | (1 << i) );
 }
diff --git a/src/electronics/components/parallelportcomponent.h b/src/electronics/components/parallelportcomponent.h
index eebc12b..bffd85d 100644
--- a/src/electronics/components/parallelportcomponent.h
+++ b/src/electronics/components/parallelportcomponent.h
@@ -40,7 +40,7 @@ class ParallelPortComponent : public CallbackClass, public Component
 		void dataCallback( bool );
 		void controlCallback( bool );
 		
-		/// Registers: { Data[0...7], tqStatus[0...5], 0[6...7], Control[0...4], 0[5...7] }
+		/// Registers: { Data[0...7], Status[0...5], 0[6...7], Control[0...4], 0[5...7] }
 		LogicOut * m_pLogic[24];
 		
 		ParallelPort * m_pParallelPort;
diff --git a/src/electronics/components/piccomponent.cpp b/src/electronics/components/piccomponent.cpp
index 3741182..00a32c3 100644
--- a/src/electronics/components/piccomponent.cpp
+++ b/src/electronics/components/piccomponent.cpp
@@ -159,14 +159,14 @@ void PICComponent::initPIC( bool forceReload )
 		case GpsimProcessor::DoesntExist:
 			if ( newProgram == _def_PICComponent_fileName && !newProgram.isEmpty() )
 				break;
-			KMessageBox::sorry( 0l, i18n("The file \"%1\" does not exist.").tqarg( newProgram ) );
+			KMessageBox::sorry( 0l, i18n("The file \"%1\" does not exist.").arg( newProgram ) );
 			m_picFile = TQString();
 			break;
 			
 		case GpsimProcessor::IncorrectType:
 			if ( newProgram == _def_PICComponent_fileName && !newProgram.isEmpty() )
 				break;
-			KMessageBox::sorry( 0L, i18n("\"%1\" is not a valid PIC program.\nThe file must exist, and the extension should be \".cod\", \".asm\", \".flowcode\", \".basic\", \".microbe\" or \".c\".\n\".hex\" is allowed, provided that there is a corresponding \".cod\" file.").tqarg(newProgram) );
+			KMessageBox::sorry( 0L, i18n("\"%1\" is not a valid PIC program.\nThe file must exist, and the extension should be \".cod\", \".asm\", \".flowcode\", \".basic\", \".microbe\" or \".c\".\n\".hex\" is allowed, provided that there is a corresponding \".cod\" file.").arg(newProgram) );
 			m_picFile = TQString();
 			break;
 			
@@ -375,7 +375,7 @@ void PICComponent::slotCODCreationSucceeded()
 	delete m_pGpsim;
 	m_pGpsim = new GpsimProcessor(m_symbolFile);
 	
-	if ( m_pGpsim->codLoadtqStatus() == GpsimProcessor::CodSuccess )
+	if ( m_pGpsim->codLoadStatus() == GpsimProcessor::CodSuccess )
 	{
 		MicroInfo * microInfo = m_pGpsim->microInfo();
 		property("lastPackage")->setValue( microInfo->id() );
@@ -387,7 +387,7 @@ void PICComponent::slotCODCreationSucceeded()
 	
 	else
 	{
-		m_pGpsim->displayCodLoadtqStatus();
+		m_pGpsim->displayCodLoadStatus();
 		delete m_pGpsim;
 		m_pGpsim = 0l;
 	}
diff --git a/src/electronics/components/ram.cpp b/src/electronics/components/ram.cpp
index a8b259e..d0ac2b1 100644
--- a/src/electronics/components/ram.cpp
+++ b/src/electronics/components/ram.cpp
@@ -128,13 +128,13 @@ void RAM::initPins()
 	TQStringList leftPins; // Pins on left of IC
 	leftPins << "CS" << "OE" << "WE";
 	for ( int i = 0; i < newAddressSize; ++i )
-		leftPins << TQString("A%1").tqarg( TQString::number(i) );
+		leftPins << TQString("A%1").arg( TQString::number(i) );
 	
 	TQStringList rightPins; // Pins on right of IC
 	for ( unsigned i = newWordSize; i > 0; --i )
-		rightPins << TQString("DI%1").tqarg( TQString::number(i-1) );
+		rightPins << TQString("DI%1").arg( TQString::number(i-1) );
 	for ( unsigned i = newWordSize; i > 0; --i )
-		rightPins << TQString("DO%1").tqarg( TQString::number(i-1) );
+		rightPins << TQString("DO%1").arg( TQString::number(i-1) );
 	
 	// Make pin lists of consistent sizes
 	for ( unsigned i = leftPins.size(); i < rightPins.size(); ++i )
@@ -177,11 +177,11 @@ void RAM::initPins()
 		
 		for ( int i = oldWordSize; i < newWordSize; ++i )
 		{
-			node = ecNodeWithID( TQString("DI%1").tqarg( TQString::number(i) ) );
+			node = ecNodeWithID( TQString("DI%1").arg( TQString::number(i) ) );
 			m_dataIn.insert( i, createLogicIn(node) );
 			m_dataIn[i]->setCallback( this, (CallbackPtr)(&RAM::inStateChanged) ); 
 			
-			node = ecNodeWithID( TQString("DO%1").tqarg( TQString::number(i) ) );
+			node = ecNodeWithID( TQString("DO%1").arg( TQString::number(i) ) );
 			m_dataOut.insert( i, createLogicOut(node, false) );
 		}
 	}
@@ -189,12 +189,12 @@ void RAM::initPins()
 	{
 		for ( int i = newWordSize; i < oldWordSize; ++i )
 		{
-			TQString id = TQString("DO%1").tqarg( TQString::number(i) );
+			TQString id = TQString("DO%1").arg( TQString::number(i) );
 			removeDisplayText(id);
 			removeElement( m_dataIn[i], false );
 			removeNode(id);
 			
-			id = TQString("DI%1").tqarg( TQString::number(i) );
+			id = TQString("DI%1").arg( TQString::number(i) );
 			removeDisplayText(id);
 			removeElement( m_dataOut[i], false );
 			removeNode(id);
@@ -210,7 +210,7 @@ void RAM::initPins()
 		
 		for ( int i = oldAddressSize; i < newAddressSize; ++i )
 		{
-			node = ecNodeWithID( TQString("A%1").tqarg( TQString::number(i) ) );
+			node = ecNodeWithID( TQString("A%1").arg( TQString::number(i) ) );
 			m_address.insert( i, createLogicIn(node) );
 			m_address[i]->setCallback( this, (CallbackPtr)(&RAM::inStateChanged) );
 		}
@@ -219,7 +219,7 @@ void RAM::initPins()
 	{
 		for ( int i = newAddressSize; i < oldAddressSize; ++i )
 		{
-			TQString id = TQString("A%1").tqarg( TQString::number(i) );
+			TQString id = TQString("A%1").arg( TQString::number(i) );
 			removeDisplayText(id);
 			removeElement( m_address[i], false );
 			removeNode(id);
diff --git a/src/electronics/components/rotoswitch.cpp b/src/electronics/components/rotoswitch.cpp
index ac7f1a0..738942b 100644
--- a/src/electronics/components/rotoswitch.cpp
+++ b/src/electronics/components/rotoswitch.cpp
@@ -245,7 +245,7 @@ void ECRotoSwitch::setUpSwitches()
     for(int i=0; i<m_numPositions; i++)
     {
         SwitchPosition& sp = m_positions[i];
-        TQString pinName = TQString("pin_%1").tqarg(i);
+        TQString pinName = TQString("pin_%1").arg(i);
         removeNode(pinName);
         removeSwitch(sp.posSwitch);
     }
@@ -284,7 +284,7 @@ void ECRotoSwitch::setUpSwitches()
         // kdDebug() << contactX <<", "<< contactY <<endl;
         
         
-        sp.node = createPin(contactX,-contactY,sp.pinAngle,TQString("pin_%1").tqarg(i));
+        sp.node = createPin(contactX,-contactY,sp.pinAngle,TQString("pin_%1").arg(i));
         sp.posSwitch = createSwitch(m_inNode, sp.node, true);
         sp.isMomentary = false;//(map[i] == 'M');
         m_positions.push_back(sp);
diff --git a/src/electronics/components/serialportcomponent.cpp b/src/electronics/components/serialportcomponent.cpp
index 6e6bfed..4e3a221 100644
--- a/src/electronics/components/serialportcomponent.cpp
+++ b/src/electronics/components/serialportcomponent.cpp
@@ -197,7 +197,7 @@ void SerialPortComponent::initPort( const TQString & port, unsigned baudRate )
 	
 	if ( ! m_pSerialPort->openPort( port, baudRate ) )
 	{
-		p_itemDocument->canvas()->setMessage( i18n("Could not open port %1").tqarg( port ) );
+		p_itemDocument->canvas()->setMessage( i18n("Could not open port %1").arg( port ) );
 		return;
 	}
 }
diff --git a/src/electronics/ecnode.cpp b/src/electronics/ecnode.cpp
index 385b98e..77633a2 100644
--- a/src/electronics/ecnode.cpp
+++ b/src/electronics/ecnode.cpp
@@ -175,7 +175,7 @@ void ECNode::drawShape( TQPainter &p )
 	{
 		bool drawDivPoint;
 		TQPoint divPoint = findConnectorDivergePoint(&drawDivPoint);
-		m_pinPoint->tqsetVisible(drawDivPoint);
+		m_pinPoint->setVisible(drawDivPoint);
 		m_pinPoint->move( divPoint.x()-1, divPoint.y()-1 );
 	}
 	
diff --git a/src/electronics/gpsimprocessor.cpp b/src/electronics/gpsimprocessor.cpp
index 8ad853c..97f1195 100644
--- a/src/electronics/gpsimprocessor.cpp
+++ b/src/electronics/gpsimprocessor.cpp
@@ -29,7 +29,7 @@
 #include <ktempfile.h>
 #include <kstandarddirs.h>
 #include <tqfile.h>
-#include <tqtextstream.h>
+#include <textstream.h>
 #include <tqtimer.h>
 
 #include "gpsim/cod.h"
@@ -89,7 +89,7 @@ GpsimProcessor::GpsimProcessor( TQString symbolFile, TQObject *parent )
 	m_bCanExecuteNextCycle = true;
 	m_bIsRunning = false;
 	m_pPicProcessor = 0l;
-	m_codLoadtqStatus = CodUnknown;
+	m_codLoadStatus = CodUnknown;
 	m_pRegisterMemory = 0l;
 	m_debugMode = GpsimDebugger::AsmDebugger;
 	m_pDebugger[0] = m_pDebugger[1] = 0l;
@@ -101,37 +101,37 @@ GpsimProcessor::GpsimProcessor( TQString symbolFile, TQObject *parent )
 	switch ( (cod_errors)load_symbol_file( &tempProcessor, fileName ) )
 	{
 		case COD_SUCCESS:
-			m_codLoadtqStatus = CodSuccess;
+			m_codLoadStatus = CodSuccess;
 			break;
 		case COD_FILE_NOT_FOUND:
-			m_codLoadtqStatus = CodFileNotFound;
+			m_codLoadStatus = CodFileNotFound;
 			break;
 		case COD_UNRECOGNIZED_PROCESSOR:
-			m_codLoadtqStatus = CodUnrecognizedProcessor;
+			m_codLoadStatus = CodUnrecognizedProcessor;
 			break;
 		case COD_FILE_NAME_TOO_LONG:
-			m_codLoadtqStatus = CodFileNameTooLong;
+			m_codLoadStatus = CodFileNameTooLong;
 			break;
 		case COD_LST_NOT_FOUND:
-			m_codLoadtqStatus = CodLstNotFound;
+			m_codLoadStatus = CodLstNotFound;
 			break;
 		case COD_BAD_FILE:
-			m_codLoadtqStatus = CodBadFile;
+			m_codLoadStatus = CodBadFile;
 			break;
 		default:
-			m_codLoadtqStatus = CodUnknown;
+			m_codLoadStatus = CodUnknown;
 	}
 #else // GPSIM_0_21_11+
 	FILE * pFile = fopen( fileName, "r" );
 	if ( !pFile )
-		m_codLoadtqStatus = CodFileUnreadable;
+		m_codLoadStatus = CodFileUnreadable;
 	else
-		m_codLoadtqStatus = ( ProgramFileTypeList::GetList().LoadProgramFile( & tempProcessor, fileName, pFile ) ) ? CodSuccess : CodFailure;
+		m_codLoadStatus = ( ProgramFileTypeList::GetList().LoadProgramFile( & tempProcessor, fileName, pFile ) ) ? CodSuccess : CodFailure;
 #endif
 	
 	m_pPicProcessor = dynamic_cast<pic_processor*>(tempProcessor);
 	
-	if ( codLoadtqStatus() == CodSuccess )
+	if ( codLoadStatus() == CodSuccess )
 	{
 		m_pRegisterMemory = new RegisterSet( m_pPicProcessor );
 		m_pDebugger[0] = new GpsimDebugger( GpsimDebugger::AsmDebugger, this );
@@ -154,33 +154,33 @@ GpsimProcessor::~GpsimProcessor()
 }
 
 
-void GpsimProcessor::displayCodLoadtqStatus( )
+void GpsimProcessor::displayCodLoadStatus( )
 {
-	switch (m_codLoadtqStatus)
+	switch (m_codLoadStatus)
 	{
 		case CodSuccess:
 			break;
 		case CodFileNotFound:
-			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" was not found.").tqarg(m_symbolFile), i18n("File Not Found") );
+			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" was not found.").arg(m_symbolFile), i18n("File Not Found") );
 			break;
 		case CodUnrecognizedProcessor:
-			KMessageBox::sorry( 0l, i18n("The processor for cod file \"%1\" is unrecognized.").tqarg(m_symbolFile), i18n("Unrecognized Processor") );
+			KMessageBox::sorry( 0l, i18n("The processor for cod file \"%1\" is unrecognized.").arg(m_symbolFile), i18n("Unrecognized Processor") );
 			break;
 		case CodFileNameTooLong:
-			KMessageBox::sorry( 0l, i18n("The file name \"%1\" is too long.").tqarg(m_symbolFile), i18n("Filename Too Long") );
+			KMessageBox::sorry( 0l, i18n("The file name \"%1\" is too long.").arg(m_symbolFile), i18n("Filename Too Long") );
 			break;
 		case CodLstNotFound:
-			KMessageBox::sorry( 0l, i18n("The lst file associated with the cod file \"%1\" was not found.").tqarg(m_symbolFile), i18n("LST File Not Found") );
+			KMessageBox::sorry( 0l, i18n("The lst file associated with the cod file \"%1\" was not found.").arg(m_symbolFile), i18n("LST File Not Found") );
 			break;
 		case CodBadFile:
-			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" is bad.").tqarg(m_symbolFile), i18n("Bad File") );
+			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" is bad.").arg(m_symbolFile), i18n("Bad File") );
 			break;
 		case CodFileUnreadable:
-			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" could not be read from.").tqarg(m_symbolFile), i18n("Unreadable File") );
+			KMessageBox::sorry( 0l, i18n("The cod file \"%1\" could not be read from.").arg(m_symbolFile), i18n("Unreadable File") );
 			break;
 		case CodFailure:
 		case CodUnknown:
-			KMessageBox::sorry( 0l, i18n("An error occured with the cod file \"%1\".").tqarg(m_symbolFile), i18n("Error") );
+			KMessageBox::sorry( 0l, i18n("An error occured with the cod file \"%1\".").arg(m_symbolFile), i18n("Error") );
 			break;
 	}
 }
diff --git a/src/electronics/gpsimprocessor.h b/src/electronics/gpsimprocessor.h
index 9939be4..e2f0e4c 100644
--- a/src/electronics/gpsimprocessor.h
+++ b/src/electronics/gpsimprocessor.h
@@ -252,7 +252,7 @@ class GpsimProcessor : public TQObject
 	public:
 		/**
 		 * Create a new gpsim processor. After calling this constructor, you
-		 * should always call codLoadtqStatus() to ensure that the cod file was
+		 * should always call codLoadStatus() to ensure that the cod file was
 		 * loaded successfully.
 		 */
 		GpsimProcessor( TQString symbolFile, TQObject *parent = 0 );
@@ -261,7 +261,7 @@ class GpsimProcessor : public TQObject
 		void setDebugMode( GpsimDebugger::Type mode ) { m_debugMode = mode; }
 		GpsimDebugger * currentDebugger() const { return m_pDebugger[m_debugMode]; }
 		
-		enum CodLoadtqStatus
+		enum CodLoadStatus
 		{
 			CodSuccess,
 			CodFileNotFound,
@@ -284,14 +284,14 @@ class GpsimProcessor : public TQObject
 				
 		/**
 		 * @return status of opening the COD file
-		 * @see displayCodLoadtqStatus
+		 * @see displayCodLoadStatus
 		 */
-		CodLoadtqStatus codLoadtqStatus() const { return m_codLoadtqStatus; }
+		CodLoadStatus codLoadStatus() const { return m_codLoadStatus; }
 		/**
-		 * Popups a messagebox to the user according to the CodLoadtqStatus. Will
-		 * only popup a messagebox if the CodLoadtqStatus wasn't CodSuccess.
+		 * Popups a messagebox to the user according to the CodLoadStatus. Will
+		 * only popup a messagebox if the CodLoadStatus wasn't CodSuccess.
 		 */
-		void displayCodLoadtqStatus();
+		void displayCodLoadStatus();
 		/**
 		 * Returns a list of source files for the currently running program.
 		 */
@@ -373,7 +373,7 @@ class GpsimProcessor : public TQObject
 		void emitLineReached();
 		
 		pic_processor * m_pPicProcessor;
-		CodLoadtqStatus m_codLoadtqStatus;
+		CodLoadStatus m_codLoadStatus;
 		const TQString m_symbolFile;
 		RegisterSet * m_pRegisterMemory;
 		GpsimDebugger::Type m_debugMode;
diff --git a/src/electronics/port.cpp b/src/electronics/port.cpp
index ec74bfc..8a92402 100644
--- a/src/electronics/port.cpp
+++ b/src/electronics/port.cpp
@@ -207,28 +207,28 @@ TQStringList SerialPort::ports( unsigned probeResult )
 	
 	for ( int i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/ttyS%1").tqarg(i);
+		TQString dev = TQString("/dev/ttyS%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
 	
 	for ( unsigned i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/tts/%1").tqarg(i);
+		TQString dev = TQString("/dev/tts/%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
 	
 	for ( unsigned i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/ttyUSB%1").tqarg(i);
+		TQString dev = TQString("/dev/ttyUSB%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
 	
 	for ( unsigned i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/usb/tts/%1").tqarg(i);
+		TQString dev = TQString("/dev/usb/tts/%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
@@ -277,7 +277,7 @@ void ParallelPort::reset()
 {
 	m_file = -1;
 	m_reg[Data] = 0;
-	m_reg[tqStatus] = 0;
+	m_reg[Status] = 0;
 	m_reg[Control] = 0;
 	m_outputPins = INPUT_MODE_BIT | IRTQ_MODE_BIT;
 	m_inputPins = ALWAYS_INPUT_PINS | INPUT_MODE_BIT | IRTQ_MODE_BIT;
@@ -309,7 +309,7 @@ int ParallelPort::pinState( int pins )
 		value |= ((readFromRegister( Data ) & ((pins & DATA_PINS) >> 0)) << 0);
 	
 	if ( pins & STATUS_PINS )
-		value |= ((readFromRegister( tqStatus ) & ((pins & STATUS_PINS) >> 8)) << 8);
+		value |= ((readFromRegister( Status ) & ((pins & STATUS_PINS) >> 8)) << 8);
 	
 	if ( pins & CONTROL_PINS )
 		value |= ((readFromRegister( Control ) & ((pins & CONTROL_PINS) >> 16)) << 16);
@@ -453,14 +453,14 @@ TQStringList ParallelPort::ports( unsigned probeResult )
 	
 	for ( unsigned i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/parport%1").tqarg(i);
+		TQString dev = TQString("/dev/parport%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
 	
 	for ( unsigned i = 0; i < 8; ++i )
 	{
-		TQString dev = TQString("/dev/parports/%1").tqarg(i);
+		TQString dev = TQString("/dev/parports/%1").arg(i);
 		if ( probe(dev) & probeResult )
 			list << dev;
 	}
diff --git a/src/electronics/port.h b/src/electronics/port.h
index d51cf5d..672bdcf 100644
--- a/src/electronics/port.h
+++ b/src/electronics/port.h
@@ -120,7 +120,7 @@ class ParallelPort : public Port
 			DATA_PINS = PIN02 | PIN03 | PIN04 | PIN05 | PIN06
 					 | PIN07 | PIN08 | PIN09,
 			
-			// tqStatus Register
+			// Status Register
 			//   Offset: Base + 1
 			//   Read only
 			PIN15 = 1 << 11,	// Error
@@ -146,7 +146,7 @@ class ParallelPort : public Port
 		enum Register
 		{
 			Data	= 0,
-			tqStatus	= 1,
+			Status	= 1,
 			Control	= 2,
 		};
 		
diff --git a/src/electronics/simulation/capacitance.cpp b/src/electronics/simulation/capacitance.cpp
index c289f90..9087c7f 100644
--- a/src/electronics/simulation/capacitance.cpp
+++ b/src/electronics/simulation/capacitance.cpp
@@ -101,9 +101,9 @@ void Capacitance::time_step()
 	i_eq_old = i_eq_new;
 }
 
-bool Capacitance::updatetqStatus()
+bool Capacitance::updateStatus()
 {
-	b_status = Reactive::updatetqStatus();
+	b_status = Reactive::updateStatus();
 	if ( m_method == Capacitance::m_none ) b_status = false;
 	return b_status;
 }
@@ -111,7 +111,7 @@ bool Capacitance::updatetqStatus()
 void Capacitance::setMethod( Method m )
 {
 	m_method = m;
-	updatetqStatus();
+	updateStatus();
 }
 
 
diff --git a/src/electronics/simulation/capacitance.h b/src/electronics/simulation/capacitance.h
index b26899c..ccc083d 100644
--- a/src/electronics/simulation/capacitance.h
+++ b/src/electronics/simulation/capacitance.h
@@ -42,7 +42,7 @@ public:
 	
 protected:
 	virtual void updateCurrents();
-	virtual bool updatetqStatus();
+	virtual bool updateStatus();
 	
 private:
 	double m_cap; // Capacitance
diff --git a/src/electronics/simulation/element.cpp b/src/electronics/simulation/element.cpp
index dbcd02d..2411897 100644
--- a/src/electronics/simulation/element.cpp
+++ b/src/electronics/simulation/element.cpp
@@ -55,7 +55,7 @@ void Element::setElementSet( ElementSet *c )
 	p_eSet = c;
 	p_A = p_eSet->matrix();
 	p_b = p_eSet->b();
-	updatetqStatus();
+	updateStatus();
 }
 
 void Element::componentDeleted()
@@ -113,7 +113,7 @@ void Element::setCNodes( const int n0, const int n1, const int n2, const int n3
 	p_cnode[1] = (n1>-1)?p_eSet->cnodes()[n1]:(n1==-1?p_eSet->ground():0l);
 	p_cnode[2] = (n2>-1)?p_eSet->cnodes()[n2]:(n2==-1?p_eSet->ground():0l);
 	p_cnode[3] = (n3>-1)?p_eSet->cnodes()[n3]:(n3==-1?p_eSet->ground():0l);
-	updatetqStatus();
+	updateStatus();
 }
 
 void Element::setCBranches( const int b0, const int b1, const int b2, const int b3 )
@@ -128,10 +128,10 @@ void Element::setCBranches( const int b0, const int b1, const int b2, const int
 	p_cbranch[1] = (b1>-1)?p_eSet->cbranches()[b1]:0l;
 	p_cbranch[2] = (b2>-1)?p_eSet->cbranches()[b2]:0l;
 	p_cbranch[3] = (b3>-1)?p_eSet->cbranches()[b3]:0l;
-	updatetqStatus();
+	updateStatus();
 }
 
-bool Element::updatetqStatus()
+bool Element::updateStatus()
 {
 	// First, set status to false if all nodes in use are ground
 	b_status = false;
diff --git a/src/electronics/simulation/element.h b/src/electronics/simulation/element.h
index 7b219c9..e05de46 100644
--- a/src/electronics/simulation/element.h
+++ b/src/electronics/simulation/element.h
@@ -188,7 +188,7 @@ protected:
 	/**
 	 * Update the status, returning b_status
 	 */
-	virtual bool updatetqStatus();
+	virtual bool updateStatus();
 	/**
 	 * Set by child class - the number of branches that the element uses
 	 * Typically, this is 0, but could be 1 (e.g. independent voltage source)
diff --git a/src/electronics/simulation/inductance.cpp b/src/electronics/simulation/inductance.cpp
index 6737ab6..22c5f9e 100644
--- a/src/electronics/simulation/inductance.cpp
+++ b/src/electronics/simulation/inductance.cpp
@@ -109,9 +109,9 @@ void Inductance::time_step()
 }
 
 
-bool Inductance::updatetqStatus()
+bool Inductance::updateStatus()
 {
-	b_status = Reactive::updatetqStatus();
+	b_status = Reactive::updateStatus();
 	if ( m_method == Inductance::m_none )
 		b_status = false;
 	return b_status;
@@ -121,6 +121,6 @@ bool Inductance::updatetqStatus()
 void Inductance::setMethod( Method m )
 {
 	m_method = m;
-	updatetqStatus();
+	updateStatus();
 }
 
diff --git a/src/electronics/simulation/inductance.h b/src/electronics/simulation/inductance.h
index e4bd119..46ccb09 100644
--- a/src/electronics/simulation/inductance.h
+++ b/src/electronics/simulation/inductance.h
@@ -42,7 +42,7 @@ class Inductance : public Reactive
 	
 	protected:
 		virtual void updateCurrents();
-		virtual bool updatetqStatus();
+		virtual bool updateStatus();
 	
 	private:
 		double m_inductance; // Inductance
diff --git a/src/electronics/simulation/reactive.cpp b/src/electronics/simulation/reactive.cpp
index c753f42..83fcfd4 100644
--- a/src/electronics/simulation/reactive.cpp
+++ b/src/electronics/simulation/reactive.cpp
@@ -26,11 +26,11 @@ Reactive::~Reactive()
 void Reactive::setDelta( double delta )
 {
 	m_delta = delta;
-	updatetqStatus();
+	updateStatus();
 }
 
 
-bool Reactive::updatetqStatus()
+bool Reactive::updateStatus()
 {
-	return Element::updatetqStatus();
+	return Element::updateStatus();
 }
diff --git a/src/electronics/simulation/reactive.h b/src/electronics/simulation/reactive.h
index a93459b..1142b34 100644
--- a/src/electronics/simulation/reactive.h
+++ b/src/electronics/simulation/reactive.h
@@ -34,7 +34,7 @@ public:
 	virtual void time_step() = 0;
 	
 protected:
-	virtual bool updatetqStatus();
+	virtual bool updateStatus();
 	
 	double m_delta; // Delta time interval
 };
diff --git a/src/electronics/subcircuits.cpp b/src/electronics/subcircuits.cpp
index 18ff615..cd3c6c2 100644
--- a/src/electronics/subcircuits.cpp
+++ b/src/electronics/subcircuits.cpp
@@ -21,7 +21,7 @@
 #include <kiconloader.h>
 #include <kstandarddirs.h>
 #include <tqfile.h>
-#include <tqtextstream.h>
+#include <textstream.h>
 
 Subcircuits::Subcircuits()
 	: TQObject()
diff --git a/src/flowcontainer.cpp b/src/flowcontainer.cpp
index 4d86d5b..22c2db8 100644
--- a/src/flowcontainer.cpp
+++ b/src/flowcontainer.cpp
@@ -101,7 +101,7 @@ void FlowContainer::createBotContainerNode()
 }
 
 
-TQSize FlowContainer::tqminimumSize() const
+TQSize FlowContainer::minimumSize() const
 {
 	return TQSize( 160, 64 );
 }
@@ -165,7 +165,7 @@ void FlowContainer::childRemoved( Item *child )
 	FlowPart::childRemoved(child);
 	
 	if (!b_expanded)
-		child->tqsetVisible(true);
+		child->setVisible(true);
 	
 	disconnect( this, TQT_SIGNAL(movedBy(double, double )), child, TQT_SLOT(moveBy(double, double )) );
 }
@@ -374,17 +374,17 @@ void FlowContainer::updateContainedVisibility()
 	if (m_ext_out)
 		m_ext_out->setVisible( isVisible() );
 	
-	const ItemList::iterator cEnd = m_tqchildren.end();
-	for ( ItemList::iterator it = m_tqchildren.begin(); it != cEnd; ++it )
+	const ItemList::iterator cEnd = m_children.end();
+	for ( ItemList::iterator it = m_children.begin(); it != cEnd; ++it )
 	{
 		if (*it)
-			(*it)->tqsetVisible( isVisible() && b_expanded );
+			(*it)->setVisible( isVisible() && b_expanded );
 	}
 	
 	m_rectangularOverlay->setVisible( isVisible() && b_expanded );
 	
 	NodeGroupList hidableNodeGroups;
-	p_icnDocument->getTranslatable( tqchildren(true) += GuardedItem(this), 0, 0, &hidableNodeGroups );
+	p_icnDocument->getTranslatable( children(true) += GuardedItem(this), 0, 0, &hidableNodeGroups );
 	
 	NodeGroupList::iterator hngEnd = hidableNodeGroups.end();
 	for ( NodeGroupList::iterator it = hidableNodeGroups.begin(); it != hngEnd; ++it )
diff --git a/src/flowcontainer.h b/src/flowcontainer.h
index 8d94ac3..df38cf6 100644
--- a/src/flowcontainer.h
+++ b/src/flowcontainer.h
@@ -47,7 +47,7 @@ public:
 	virtual void setSelected( bool yes );
 	virtual void setVisible( bool yes );
 	
-	virtual TQSize tqminimumSize() const;
+	virtual TQSize minimumSize() const;
 	/**
 	 * Update the visibility of items, connectors, nodes in the flowcontainer
 	 */
diff --git a/src/flowparts/callsub.cpp b/src/flowparts/callsub.cpp
index 09687e2..2b2d30b 100644
--- a/src/flowparts/callsub.cpp
+++ b/src/flowparts/callsub.cpp
@@ -51,7 +51,7 @@ CallSub::~CallSub()
 
 void CallSub::dataChanged()
 {
-	setCaption( i18n("Call %1").tqarg(dataString("sub")) );
+	setCaption( i18n("Call %1").arg(dataString("sub")) );
 }
 
 void CallSub::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/count.cpp b/src/flowparts/count.cpp
index 2357fb8..e4bbdc3 100644
--- a/src/flowparts/count.cpp
+++ b/src/flowparts/count.cpp
@@ -58,7 +58,7 @@ Count::~Count()
 void Count::dataChanged()
 {
 	double count = dataDouble("1-length");
-	setCaption( i18n("Count %1 for %2 sec").tqarg(dataString("0-trigger")).tqarg(TQString::number( count / getMultiplier(count), 'g', 3 ) + getNumberMag(count)) );
+	setCaption( i18n("Count %1 for %2 sec").arg(dataString("0-trigger")).arg(TQString::number( count / getMultiplier(count), 'g', 3 ) + getNumberMag(count)) );
 }
 
 void Count::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/delay.cpp b/src/flowparts/delay.cpp
index f31a0e9..ae85595 100644
--- a/src/flowparts/delay.cpp
+++ b/src/flowparts/delay.cpp
@@ -53,7 +53,7 @@ Delay::~Delay()
 void Delay::dataChanged()
 {
 	double delay = dataDouble("delay_length");
-	setCaption( i18n("Delay for %1 sec").tqarg(TQString::number( delay / getMultiplier(delay), 'g', 3 )+getNumberMag(delay)) );
+	setCaption( i18n("Delay for %1 sec").arg(TQString::number( delay / getMultiplier(delay), 'g', 3 )+getNumberMag(delay)) );
 }
 
 void Delay::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/embed.cpp b/src/flowparts/embed.cpp
index f6bb3b2..7e5f3a3 100644
--- a/src/flowparts/embed.cpp
+++ b/src/flowparts/embed.cpp
@@ -59,7 +59,7 @@ Embed::~Embed()
 void Embed::dataChanged()
 {
 	const TQString sample = dataString("code").left(10).replace("\n"," ");
-	setCaption( i18n("%1: %2...").tqarg(dataString("type")).tqarg(sample) );
+	setCaption( i18n("%1: %2...").arg(dataString("type")).arg(sample) );
 }
 
 
diff --git a/src/flowparts/flowpart.cpp b/src/flowparts/flowpart.cpp
index 1ec4a6e..d19ce45 100644
--- a/src/flowparts/flowpart.cpp
+++ b/src/flowparts/flowpart.cpp
@@ -186,7 +186,7 @@ void FlowPart::initSymbol( FlowPart::FlowSymbol symbol, int width )
 		
 		case FlowPart::ps_io:
 		{
-			// define parallelogram tqshape
+			// define parallelogram shape
 			TQPointArray pa(4);
 			pa[0] = TQPoint( -(width-10)/2, -16 );
 			pa[1] = TQPoint( width/2, -16 );
@@ -292,7 +292,7 @@ void FlowPart::drawShape( TQPainter &p )
 		
 		case FlowPart::ps_decision:
 		{
-			// TODO Make the tqshape nice and pretty with rounded corners
+			// TODO Make the shape nice and pretty with rounded corners
 			CNItem::drawShape(p);
 			break;
 		}
diff --git a/src/flowparts/flowpart.h b/src/flowparts/flowpart.h
index afa20c8..9cd2553 100644
--- a/src/flowparts/flowpart.h
+++ b/src/flowparts/flowpart.h
@@ -42,8 +42,8 @@ public:
 		ps_call, // Call - Rectangular box with double vertical lines at either end
 		ps_io, // I/O - Slanter rectangular box
 		ps_round, // Start/End - Rounded rectangular box
-		ps_decision, // Decision - Diamond tqshape
-		ps_other // Custom tqshape, which is ignored by FlowPart
+		ps_decision, // Decision - Diamond shape
+		ps_other // Custom shape, which is ignored by FlowPart
 	};
 	FlowPart( ICNDocument *icnDocument, bool newItem, const TQString &id );
 	virtual ~FlowPart();
@@ -167,7 +167,7 @@ protected:
 	 */
 	void createAltOutput();
 	/**
-	 * Initialises a symbol, by calling setItemPoints with the tqshape
+	 * Initialises a symbol, by calling setItemPoints with the shape
 	 */
 	void initSymbol( FlowPart::FlowSymbol symbol, int width = 48 );
 	
diff --git a/src/flowparts/inputbutton.cpp b/src/flowparts/inputbutton.cpp
index a140a2a..d7c2a98 100644
--- a/src/flowparts/inputbutton.cpp
+++ b/src/flowparts/inputbutton.cpp
@@ -59,7 +59,7 @@ InputButton::~InputButton()
 
 void InputButton::dataChanged()
 {
-	setCaption( i18n("Continue on %1 %2").tqarg(dataString("0-trigger")).tqarg(dataString("1-pin")) );
+	setCaption( i18n("Continue on %1 %2").arg(dataString("0-trigger")).arg(dataString("1-pin")) );
 }
 
 
diff --git a/src/flowparts/interrupt.cpp b/src/flowparts/interrupt.cpp
index 14a783f..9325c33 100644
--- a/src/flowparts/interrupt.cpp
+++ b/src/flowparts/interrupt.cpp
@@ -55,7 +55,7 @@ Interrupt::~Interrupt()
 
 void Interrupt::dataChanged()
 {
-	setCaption( i18n("Interrupt %1").tqarg(dataString("interrupt")) );
+	setCaption( i18n("Interrupt %1").arg(dataString("interrupt")) );
 }
 
 void Interrupt::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/keypad.cpp b/src/flowparts/keypad.cpp
index 8e49e29..47e6f30 100644
--- a/src/flowparts/keypad.cpp
+++ b/src/flowparts/keypad.cpp
@@ -55,12 +55,12 @@ Keypad::~Keypad()
 
 void Keypad::dataChanged()
 {
-	setCaption( i18n("Read %1 to %2").tqarg( dataString( "keypad" ) ).tqarg( dataString( "variable" ) ) );
+	setCaption( i18n("Read %1 to %2").arg( dataString( "keypad" ) ).arg( dataString( "variable" ) ) );
 }
 
 void Keypad::generateMicrobe( FlowCode *code )
 {
-	code->addCode( TQString("%1 = %2").tqarg( dataString("variable") ).tqarg( dataString("keypad") ) );
+	code->addCode( TQString("%1 = %2").arg( dataString("variable") ).arg( dataString("keypad") ) );
 	code->addCodeBranch( outputPart("stdoutput") );
 }
 
diff --git a/src/flowparts/pinmapping.cpp b/src/flowparts/pinmapping.cpp
index 289cbc4..46cdf04 100644
--- a/src/flowparts/pinmapping.cpp
+++ b/src/flowparts/pinmapping.cpp
@@ -26,7 +26,7 @@
 #include <tqaccel.h>
 #include <tqapplication.h>
 #include <tqframe.h>
-#include <tqlayout.h>
+#include <layout.h>
 
 
 //BEGIN class PinMapping
@@ -186,10 +186,10 @@ void PinMapDocument::init( const PinMapping & pinMapping, MicroInfo * microInfo
 	{
 		TQStringList::const_iterator it = pins.begin();
 		for ( unsigned row = 0; (row < 4) && (it != end); ++row, ++it )
-			createConnector( m_pKeypad->childNode( TQString("row_%1").tqarg( row ) ), m_pPicComponent->childNode( *it ) );
+			createConnector( m_pKeypad->childNode( TQString("row_%1").arg( row ) ), m_pPicComponent->childNode( *it ) );
 		
 		for ( unsigned col = 0; (col < keypadCols) && (it != end); ++col, ++it )
-			createConnector( m_pKeypad->childNode( TQString("col_%1").tqarg( col ) ), m_pPicComponent->childNode( *it ) );
+			createConnector( m_pKeypad->childNode( TQString("col_%1").arg( col ) ), m_pPicComponent->childNode( *it ) );
 	}
 	
 	clearHistory(); // Don't allow undoing of initial creation of stuff
@@ -255,17 +255,17 @@ PinMapping PinMapDocument::pinMapping() const
 			
 		case PinMapping::Keypad_4x3:
 			for ( unsigned i = 0; i < 4; ++i )
-				attachedIDs << TQString("row_%1").tqarg(i);
+				attachedIDs << TQString("row_%1").arg(i);
 			for ( unsigned i = 0; i < 3; ++i )
-				attachedIDs << TQString("col_%1").tqarg(i);
+				attachedIDs << TQString("col_%1").arg(i);
 			attached = m_pKeypad;
 			break;
 			
 		case PinMapping::Keypad_4x4:
 			for ( unsigned i = 0; i < 4; ++i )
-				attachedIDs << TQString("row_%1").tqarg(i);
+				attachedIDs << TQString("row_%1").arg(i);
 			for ( unsigned i = 0; i < 4; ++i )
-				attachedIDs << TQString("col_%1").tqarg(i);
+				attachedIDs << TQString("col_%1").arg(i);
 			attached = m_pKeypad;
 			break;
 			
diff --git a/src/flowparts/pulse.cpp b/src/flowparts/pulse.cpp
index 86e2239..77f9dd0 100644
--- a/src/flowparts/pulse.cpp
+++ b/src/flowparts/pulse.cpp
@@ -68,7 +68,7 @@ Pulse::~Pulse()
 void Pulse::dataChanged()
 {
 	double pulse = dataDouble("0-duration");
-	setCaption( i18n("Pulse %1 for %2 sec").tqarg(dataString("3-pin")).tqarg(TQString::number( pulse / getMultiplier(pulse), 'f', 1 ) + getNumberMag(pulse)) );
+	setCaption( i18n("Pulse %1 for %2 sec").arg(dataString("3-pin")).arg(TQString::number( pulse / getMultiplier(pulse), 'f', 1 ) + getNumberMag(pulse)) );
 }
 
 void Pulse::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/readport.cpp b/src/flowparts/readport.cpp
index 45623be..4385c58 100644
--- a/src/flowparts/readport.cpp
+++ b/src/flowparts/readport.cpp
@@ -58,7 +58,7 @@ ReadPort::~ReadPort()
 
 void ReadPort::dataChanged()
 {
-	setCaption( i18n("Read %1 to %2").tqarg(dataString("0-port")).tqarg(dataString("1-var")) );
+	setCaption( i18n("Read %1 to %2").arg(dataString("0-port")).arg(dataString("1-var")) );
 }
 
 void ReadPort::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/repeat.cpp b/src/flowparts/repeat.cpp
index 53529ac..3dda0ae 100644
--- a/src/flowparts/repeat.cpp
+++ b/src/flowparts/repeat.cpp
@@ -62,7 +62,7 @@ Repeat::~Repeat()
 
 void Repeat::dataChanged()
 {
-	setCaption( i18n("repeat until %1 %2 %3").tqarg(dataString("0var1")).tqarg(dataString("1op")).tqarg(dataString("2var2")) );
+	setCaption( i18n("repeat until %1 %2 %3").arg(dataString("0var1")).arg(dataString("1op")).arg(dataString("2var2")) );
 }
 
 void Repeat::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/setpin.cpp b/src/flowparts/setpin.cpp
index 81c29ca..be826da 100644
--- a/src/flowparts/setpin.cpp
+++ b/src/flowparts/setpin.cpp
@@ -59,7 +59,7 @@ SetPin::~SetPin()
 
 void SetPin::dataChanged()
 {
-	setCaption( i18n("Set %1 %2").tqarg(dataString("pin")).tqarg(dataString("state")) );
+	setCaption( i18n("Set %1 %2").arg(dataString("pin")).arg(dataString("state")) );
 }
 
 void SetPin::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/sevenseg.cpp b/src/flowparts/sevenseg.cpp
index 1f85e19..90a4e7e 100644
--- a/src/flowparts/sevenseg.cpp
+++ b/src/flowparts/sevenseg.cpp
@@ -59,13 +59,13 @@ SevenSeg::~SevenSeg()
 
 void SevenSeg::dataChanged()
 {
-	setCaption( i18n("Display %1 on %2").tqarg( dataString("expression") ).tqarg( dataString("sevenseg") ) );
+	setCaption( i18n("Display %1 on %2").arg( dataString("expression") ).arg( dataString("sevenseg") ) );
 }
 
 
 void SevenSeg::generateMicrobe( FlowCode *code )
 {
-	code->addCode( TQString("%1 = %2").tqarg( dataString("sevenseg") ).tqarg( dataString("expression") ) );
+	code->addCode( TQString("%1 = %2").arg( dataString("sevenseg") ).arg( dataString("expression") ) );
 	code->addCodeBranch( outputPart("stdoutput") );
 }
 
diff --git a/src/flowparts/while.cpp b/src/flowparts/while.cpp
index ddcf981..be2189d 100644
--- a/src/flowparts/while.cpp
+++ b/src/flowparts/while.cpp
@@ -62,7 +62,7 @@ While::~While()
 
 void While::dataChanged()
 {
-	setCaption( i18n("while %1 %2 %3").tqarg(dataString("0var1")).tqarg(dataString("1op")).tqarg(dataString("2var2")) );
+	setCaption( i18n("while %1 %2 %3").arg(dataString("0var1")).arg(dataString("1op")).arg(dataString("2var2")) );
 }
 
 void While::generateMicrobe( FlowCode *code )
diff --git a/src/flowparts/writeport.cpp b/src/flowparts/writeport.cpp
index 312ea01..9816f69 100644
--- a/src/flowparts/writeport.cpp
+++ b/src/flowparts/writeport.cpp
@@ -59,7 +59,7 @@ WritePort::~WritePort()
 
 void WritePort::dataChanged()
 {
-	setCaption(  i18n("Write %1 to %2").tqarg(dataString("0-var")).tqarg(dataString("1-port")) );
+	setCaption(  i18n("Write %1 to %2").arg(dataString("0-var")).arg(dataString("1-port")) );
 }
 
 
diff --git a/src/gui/asmformattingwidget.ui b/src/gui/asmformattingwidget.ui
index 1245538..db4ee05 100644
--- a/src/gui/asmformattingwidget.ui
+++ b/src/gui/asmformattingwidget.ui
@@ -185,7 +185,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>484</height>
diff --git a/src/gui/contexthelp.cpp b/src/gui/contexthelp.cpp
index f7a2432..050eecb 100644
--- a/src/gui/contexthelp.cpp
+++ b/src/gui/contexthelp.cpp
@@ -16,10 +16,10 @@
 
 #include <klocale.h>
 
-#include <tqlayout.h>
+#include <layout.h>
 #include <tqlabel.h>
 #include <tqregexp.h>
-#include <tqtextbrowser.h>
+#include <textbrowser.h>
 #include <tqwhatsthis.h>
 
 #include <assert.h>
@@ -42,18 +42,18 @@ ContextHelp::ContextHelp( KateMDI::ToolView * parent )
 {
 	TQWhatsThis::add( this, i18n("Provides context-sensitive help relevant to the current editing being performed.") );
 	
-	TQVBoxLayout *vtqlayout = new TQVBoxLayout( this, 0, 6 );
+	TQVBoxLayout *vlayout = new TQVBoxLayout( this, 0, 6 );
 
 	m_nameLbl = new TQLabel( this, "" );
-	vtqlayout->addWidget(m_nameLbl);
-	vtqlayout->addSpacing(8);
+	vlayout->addWidget(m_nameLbl);
+	vlayout->addSpacing(8);
 	
 	m_info = new TQTextBrowser( this, "" );
-	vtqlayout->addWidget(m_info);
-	m_info->tqsetSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding );
+	vlayout->addWidget(m_info);
+	m_info->setSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding );
 	
 	TQSpacerItem *spacer3 = new TQSpacerItem( 1, 1, TQSizePolicy::Preferred, TQSizePolicy::Preferred );
-	vtqlayout->addItem(spacer3);
+	vlayout->addItem(spacer3);
 	
 	slotClear();
 } 
diff --git a/src/gui/createsubprojectwidget.ui b/src/gui/createsubprojectwidget.ui
index 2d18c06..5354bcd 100644
--- a/src/gui/createsubprojectwidget.ui
+++ b/src/gui/createsubprojectwidget.ui
@@ -81,7 +81,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>20</height>
diff --git a/src/gui/doublespinbox.cpp b/src/gui/doublespinbox.cpp
index b994c23..4418538 100644
--- a/src/gui/doublespinbox.cpp
+++ b/src/gui/doublespinbox.cpp
@@ -40,7 +40,7 @@ DoubleSpinBox::DoubleSpinBox( double lower, double upper, double minAbs, double
 	m_minAbsValue = minAbs;
 	m_queuedSuffix = TQString();
 	
-	editor()->tqsetAlignment( TQt::AlignRight );
+	editor()->setAlignment( TQt::AlignRight );
 	
 	connect( this, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(checkIfChanged()) );
 	TQSpinBox::setMinValue( -(1<<30) );
@@ -129,7 +129,7 @@ double DoubleSpinBox::getMult()
 	if ( text.length() == 0 )
 		return 1.0;
 	
-	if ( text.tqendsWith( m_unit, false ) )
+	if ( text.endsWith( m_unit, false ) )
 		text = text.remove( text.length() - m_unit.length(), m_unit.length() );
 	
 	text.stripWhiteSpace();
diff --git a/src/gui/generaloptionswidget.ui b/src/gui/generaloptionswidget.ui
index 6c9cd19..729861b 100644
--- a/src/gui/generaloptionswidget.ui
+++ b/src/gui/generaloptionswidget.ui
@@ -152,7 +152,7 @@
                 </property>
                 <widget class="TQLayoutWidget">
                     <property name="name">
-                        <cstring>tqlayout8_2</cstring>
+                        <cstring>layout8_2</cstring>
                     </property>
                     <grid>
                         <property name="name">
@@ -217,7 +217,7 @@
                     <property name="scaledContents">
                         <bool>false</bool>
                     </property>
-                    <property name="tqalignment">
+                    <property name="alignment">
                         <set>WordBreak|AlignVCenter</set>
                     </property>
                 </widget>
@@ -233,7 +233,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>40</height>
diff --git a/src/gui/gpasmsettingswidget.ui b/src/gui/gpasmsettingswidget.ui
index 2e94ebc..e8d5c32 100644
--- a/src/gui/gpasmsettingswidget.ui
+++ b/src/gui/gpasmsettingswidget.ui
@@ -87,7 +87,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>16</height>
@@ -207,7 +207,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>40</width>
                     <height>20</height>
@@ -224,7 +224,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>40</width>
                     <height>20</height>
@@ -241,7 +241,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>40</width>
                     <height>20</height>
diff --git a/src/gui/itemeditor.cpp b/src/gui/itemeditor.cpp
index 58b0661..4e800e5 100644
--- a/src/gui/itemeditor.cpp
+++ b/src/gui/itemeditor.cpp
@@ -17,7 +17,7 @@
 #include <klocale.h>
 #include <kstandarddirs.h>
 
-#include <tqlayout.h>
+#include <layout.h>
 #include <tqlabel.h>
 #include <tqpushbutton.h>
 #include <tqwhatsthis.h>
@@ -42,17 +42,17 @@ ItemEditor::ItemEditor( KateMDI::ToolView * parent )
 {
 	TQWhatsThis::add( this, i18n("This allows editing of advanced properties of the selected item(s). Right click on the picture of the item to set the orientation.") );
 	
-	TQVBoxLayout *vtqlayout = new TQVBoxLayout( this, 0, 6 );
+	TQVBoxLayout *vlayout = new TQVBoxLayout( this, 0, 6 );
 
 	m_nameLbl = new TQLabel( this, "" );
-	vtqlayout->addWidget(m_nameLbl);
-	vtqlayout->addSpacing(8);
+	vlayout->addWidget(m_nameLbl);
+	vlayout->addSpacing(8);
 
 	propList = new PropertiesListView(this);
-	vtqlayout->addWidget(propList);
+	vlayout->addWidget(propList);
 	TQWhatsThis::add(propList,i18n("<qt>Shows properties associated with the currently selected item(s).<p>Select a property to change its value. If multiple items are selected with different values then the property will appear greyed out, use ""Merge Properties"" to make them the same.<p>Select ""Defaults to set all properties to their default values""")); 
 	
-	TQHBoxLayout *h1Layout = new TQHBoxLayout( vtqlayout, 4 );
+	TQHBoxLayout *h1Layout = new TQHBoxLayout( vlayout, 4 );
 	TQSpacerItem *spacer1 = new TQSpacerItem( 1, 1 );
 	h1Layout->addItem(spacer1);
 	
@@ -67,7 +67,7 @@ ItemEditor::ItemEditor( KateMDI::ToolView * parent )
 	h1Layout->addWidget(m_mergeBtn);
 	
 	// Qt::Orientation widget stuff
-	TQHBoxLayout *h2Layout = new TQHBoxLayout( vtqlayout, 6 );
+	TQHBoxLayout *h2Layout = new TQHBoxLayout( vlayout, 6 );
 	TQSpacerItem *spacer2 = new TQSpacerItem( 1, 1 );
 	h2Layout->addItem(spacer2);
 	m_orientationWidget = new OrientationWidget(this);
diff --git a/src/gui/itemselector.cpp b/src/gui/itemselector.cpp
index 539bc40..5b4ae41 100644
--- a/src/gui/itemselector.cpp
+++ b/src/gui/itemselector.cpp
@@ -24,7 +24,7 @@
 #include <klocale.h>
 
 #include <tqdragobject.h>
-#include <tqlayout.h>
+#include <layout.h>
 #include <tqpopupmenu.h>
 #include <tqwhatsthis.h>
 
@@ -163,7 +163,7 @@ void ItemSelector::slotContextMenuRequested( TQListViewItem* item, const TQPoint
 	}
 	
 	TQPopupMenu *menu = new TQPopupMenu(this);
-	menu->insertItem( i18n("Remove %1").tqarg(item->text(0)), this, TQT_SLOT(slotRemoveSelectedItem()), TQt::Key_Delete );
+	menu->insertItem( i18n("Remove %1").arg(item->text(0)), this, TQT_SLOT(slotRemoveSelectedItem()), TQt::Key_Delete );
 	menu->popup(pos);
 }
 
@@ -177,7 +177,7 @@ void ItemSelector::slotRemoveSelectedItem()
 	emit itemRemoved( item->key( 0, 0 ) );
 	ILVItem *parent = dynamic_cast<ILVItem*>(item->TQListViewItem::parent());
 	delete item;
-	// Get rid of the category as well if it has no tqchildren
+	// Get rid of the category as well if it has no children
 	if ( parent && !parent->firstChild() )
 	{
 		m_categories.remove(parent->text(0));
diff --git a/src/gui/logicwidget.ui b/src/gui/logicwidget.ui
index 2280eb4..e57feab 100644
--- a/src/gui/logicwidget.ui
+++ b/src/gui/logicwidget.ui
@@ -239,7 +239,7 @@
 
 These values will apply to all components, apart from the PIC, whose pins' impedances depend on the pin in use.</string>
             </property>
-            <property name="tqalignment">
+            <property name="alignment">
                 <set>WordBreak|AlignVCenter</set>
             </property>
         </widget>
@@ -253,7 +253,7 @@ These values will apply to all components, apart from the PIC, whose pins' imped
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>16</height>
diff --git a/src/gui/logview.cpp b/src/gui/logview.cpp
index 574d967..2da75a2 100644
--- a/src/gui/logview.cpp
+++ b/src/gui/logview.cpp
@@ -49,23 +49,23 @@ void LogView::addOutput( TQString text, OutputType outputType, MessageInfo messa
 	switch(outputType)
 	{
 		case LogView::ot_important:
-			append( TQString("<font color=\"#000000\"><b>%1</b></font>").tqarg(text) );
+			append( TQString("<font color=\"#000000\"><b>%1</b></font>").arg(text) );
 			break;
 			
 		case LogView::ot_info:
-			append( TQString("<font color=\"#000000\"><i>%1</i></font>").tqarg(text) );
+			append( TQString("<font color=\"#000000\"><i>%1</i></font>").arg(text) );
 			break;
 			
 		case LogView::ot_message:
-			append( TQString("<font color=\"#000000\">%1</font>").tqarg(text) );
+			append( TQString("<font color=\"#000000\">%1</font>").arg(text) );
 			break;
 			
 		case LogView::ot_warning:
-			append( TQString("<font color=\"#666666\">%1</font>").tqarg(text) );
+			append( TQString("<font color=\"#666666\">%1</font>").arg(text) );
 			break;
 			
 		case LogView::ot_error:
-			append( TQString("<font color=\"#800000\">%1</font>").tqarg(text) );
+			append( TQString("<font color=\"#800000\">%1</font>").arg(text) );
 			break;
 	}
 	
diff --git a/src/gui/microselectwidget.cpp b/src/gui/microselectwidget.cpp
index 59dfa33..f988a8d 100644
--- a/src/gui/microselectwidget.cpp
+++ b/src/gui/microselectwidget.cpp
@@ -17,7 +17,7 @@
 #include <klocale.h>
 #include <tqgroupbox.h>
 #include <tqlabel.h>
-#include <tqlayout.h>
+#include <layout.h>
 #include <tqtooltip.h>
 #include <tqvariant.h>
 #include <tqwhatsthis.h>
@@ -35,13 +35,13 @@ MicroSelectWidget::MicroSelectWidget( TQWidget* parent, const char* name, WFlags
 	m_pMicroFamilyLabel->setText( i18n("Family") );
 
 	m_pMicroFamily = new KComboBox( FALSE, this, "m_pMicroFamily" );
-	m_pMicroFamily->tqsetSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::Preferred );
+	m_pMicroFamily->setSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::Preferred );
 
 	m_pMicroLabel = new TQLabel( this, "m_pMicroLabel" );
 	m_pMicroLabel->setText( i18n("Micro") );
 
 	m_pMicro = new KComboBox( FALSE, this, "m_pMicro" );
-	m_pMicro->tqsetSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::Preferred );
+	m_pMicro->setSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::Preferred );
 	m_pMicro->setEditable( TRUE );
 	m_pMicro->setAutoCompletion(true);
 	updateFromAllowed();
diff --git a/src/gui/microsettingsdlg.cpp b/src/gui/microsettingsdlg.cpp
index d8d3a05..4a14626 100644
--- a/src/gui/microsettingsdlg.cpp
+++ b/src/gui/microsettingsdlg.cpp
@@ -26,7 +26,7 @@
 
 #include <tqgroupbox.h>
 #include <tqlabel.h>
-#include <tqlayout.h>
+#include <layout.h>
 #include <tqregexp.h>
 #include <tqtable.h>
 #include <tqwhatsthis.h>
@@ -69,10 +69,10 @@ MicroSettingsDlg::MicroSettingsDlg( MicroSettings * microSettings, TQWidget *par
 		TQGroupBox * groupBox = new TQGroupBox( *it, m_pWidget->portsGroupBox );
 		
 		groupBox->setColumnLayout(0, Qt::Vertical );
-		groupBox->tqlayout()->setSpacing( 6 );
-		groupBox->tqlayout()->setMargin( 11 );
-		TQGridLayout * groupBoxLayout = new TQGridLayout( groupBox->tqlayout() );
-		groupBoxLayout->tqsetAlignment( TQt::AlignTop );
+		groupBox->layout()->setSpacing( 6 );
+		groupBox->layout()->setMargin( 11 );
+		TQGridLayout * groupBoxLayout = new TQGridLayout( groupBox->layout() );
+		groupBoxLayout->setAlignment( TQt::AlignTop );
 		
 		// TODO: replace this with i18n( "the type", "Type (TRIS register):" );
 		groupBoxLayout->addWidget( new TQLabel( i18n("Type (TRIS register):"), groupBox ), 0, 0 ); 
@@ -84,8 +84,8 @@ MicroSettingsDlg::MicroSettingsDlg( MicroSettings * microSettings, TQWidget *par
 		m_portStateEdit[row] = new KLineEdit( portState, groupBox );
 		groupBoxLayout->addWidget( m_portStateEdit[row], 1, 1 );
 
-// 		(dynamic_cast<TQVBoxLayout*>(m_pWidget->portsGroupBox->tqlayout()))->insertWidget( row, groupBox );
-		(dynamic_cast<TQVBoxLayout*>(m_pWidget->portsGroupBox->tqlayout()))->addWidget( groupBox );
+// 		(dynamic_cast<TQVBoxLayout*>(m_pWidget->portsGroupBox->layout()))->insertWidget( row, groupBox );
+		(dynamic_cast<TQVBoxLayout*>(m_pWidget->portsGroupBox->layout()))->addWidget( groupBox );
 	}
 	//END Initialize initial port settings
 	
@@ -370,26 +370,26 @@ void MicroSettingsDlg::savePort( int row )
 	
 	TQString typeText = m_portTypeEdit[row]->text();
 	bool typeOk = true;
-	if 		( typeText.tqstartsWith( "0x", false ) ) type = typeText.remove(0,2).toInt( &typeOk, 16 );
+	if 		( typeText.startsWith( "0x", false ) ) type = typeText.remove(0,2).toInt( &typeOk, 16 );
 	else if ( typeText.contains( TQRegExp("[^01]") ) ) type = typeText.toInt( &typeOk, 10 );
 	else type = typeText.toInt( &typeOk, 2 );
 	
 	if ( !typeOk )
 	{
-// 		KMessageBox::sorry( this, i18n("Unregnised Port Type: %1").tqarg(typeText) );
+// 		KMessageBox::sorry( this, i18n("Unregnised Port Type: %1").arg(typeText) );
 		return;
 	}
 	
 	
 	TQString stateText = m_portStateEdit[row]->text();
 	bool stateOk = true;
-	if 		( stateText.tqstartsWith( "0x", false ) ) state = stateText.remove(0,2).toInt( &stateOk, 16 );
+	if 		( stateText.startsWith( "0x", false ) ) state = stateText.remove(0,2).toInt( &stateOk, 16 );
 	else if ( stateText.contains( TQRegExp("[^01]") ) ) state = stateText.toInt( &stateOk, 10 );
 	else state = stateText.toInt( &stateOk, 2 );
 	
 	if ( !stateOk )
 	{
-// 		KMessageBox::sorry( this, i18n("Unregnised Port State: %1").tqarg(stateText) );
+// 		KMessageBox::sorry( this, i18n("Unregnised Port State: %1").arg(stateText) );
 		return;
 	}
 	
@@ -406,12 +406,12 @@ void MicroSettingsDlg::saveVariable( int row )
 	TQString valueText = m_pWidget->variables->text( row, 1 );
 	int value;
 	bool ok = true;
-	if ( valueText.tqstartsWith( "0x", false ) ) value = valueText.remove(0,2).toInt( &ok, 16 );
+	if ( valueText.startsWith( "0x", false ) ) value = valueText.remove(0,2).toInt( &ok, 16 );
 	else value = valueText.toInt( &ok, 10 );
 
 	if (!ok)
 	{
-		KMessageBox::sorry( this, i18n("Invalid variable value: %1").tqarg(valueText) );
+		KMessageBox::sorry( this, i18n("Invalid variable value: %1").arg(valueText) );
 		return;
 	}
 	
diff --git a/src/gui/microsettingswidget.ui b/src/gui/microsettingswidget.ui
index 3d5ff66..9030238 100644
--- a/src/gui/microsettingswidget.ui
+++ b/src/gui/microsettingswidget.ui
@@ -96,7 +96,7 @@ Drag it to set the type (input/output).</string>
                     <property name="name">
                         <cstring>variables</cstring>
                     </property>
-                    <property name="tqminimumSize">
+                    <property name="minimumSize">
                         <size>
                             <width>0</width>
                             <height>64</height>
@@ -145,7 +145,7 @@ Drag it to set the type (input/output).</string>
                     <property name="sizeType">
                         <enum>Expanding</enum>
                     </property>
-                    <property name="tqsizeHint">
+                    <property name="sizeHint">
                         <size>
                             <width>60</width>
                             <height>20</height>
diff --git a/src/gui/newfilewidget.ui b/src/gui/newfilewidget.ui
index cf33850..4f0b4dc 100644
--- a/src/gui/newfilewidget.ui
+++ b/src/gui/newfilewidget.ui
@@ -59,7 +59,7 @@ Creates a new circuit, with drag and drop editor. Real time simulation of the ci
             <property name="text">
                 <string>File Type:</string>
             </property>
-            <property name="tqalignment">
+            <property name="alignment">
                 <set>AlignVCenter</set>
             </property>
         </widget>
@@ -75,7 +75,7 @@ Creates a new circuit, with drag and drop editor. Real time simulation of the ci
                     <verstretch>0</verstretch>
                 </sizepolicy>
             </property>
-            <property name="tqminimumSize">
+            <property name="minimumSize">
                 <size>
                     <width>500</width>
                     <height>150</height>
@@ -128,13 +128,13 @@ Creates a new circuit, with drag and drop editor. Real time simulation of the ci
                     <verstretch>0</verstretch>
                 </sizepolicy>
             </property>
-            <property name="tqminimumSize">
+            <property name="minimumSize">
                 <size>
                     <width>0</width>
                     <height>0</height>
                 </size>
             </property>
-            <property name="tqmaximumSize">
+            <property name="maximumSize">
                 <size>
                     <width>32767</width>
                     <height>32767</height>
@@ -151,7 +151,7 @@ Creates a new circuit, with drag and drop editor. Real time simulation of the ci
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>0</height>
diff --git a/src/gui/newpinmappingwidget.ui b/src/gui/newpinmappingwidget.ui
index 4972642..36a7117 100644
--- a/src/gui/newpinmappingwidget.ui
+++ b/src/gui/newpinmappingwidget.ui
@@ -64,7 +64,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>21</height>
@@ -83,7 +83,7 @@
                     <verstretch>0</verstretch>
                 </sizepolicy>
             </property>
-            <property name="tqminimumSize">
+            <property name="minimumSize">
                 <size>
                     <width>300</width>
                     <height>0</height>
@@ -112,7 +112,7 @@
             <property name="name">
                 <cstring>typeCombo</cstring>
             </property>
-            <property name="tqminimumSize">
+            <property name="minimumSize">
                 <size>
                     <width>200</width>
                     <height>0</height>
diff --git a/src/gui/newprojectwidget.ui b/src/gui/newprojectwidget.ui
index dc36007..b7c73b8 100644
--- a/src/gui/newprojectwidget.ui
+++ b/src/gui/newprojectwidget.ui
@@ -48,7 +48,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>16</height>
diff --git a/src/gui/orientationwidget.cpp b/src/gui/orientationwidget.cpp
index 19f88c3..e46e191 100644
--- a/src/gui/orientationwidget.cpp
+++ b/src/gui/orientationwidget.cpp
@@ -19,7 +19,7 @@
 
 #include <kstandarddirs.h>
 #include <tqbitmap.h>
-#include <tqlayout.h>
+#include <layout.h>
 #include <tqimage.h>
 #include <tqpixmap.h>
 #include <tqpainter.h>
@@ -30,7 +30,7 @@ const int _size = 44;
 OrientationWidget::OrientationWidget(TQWidget *parent, const char *name)
 	: TQWidget(parent, name)
 {
-	TQGridLayout *tqlayout = new TQGridLayout( this, 2, 4, 0, 4 );
+	TQGridLayout *layout = new TQGridLayout( this, 2, 4, 0, 4 );
 	p_activeFlowPart = 0l;
 	
 	for ( int row=0; row<2; ++row )
@@ -39,7 +39,7 @@ OrientationWidget::OrientationWidget(TQWidget *parent, const char *name)
 		{
 			TQPushButton *btn = new TQPushButton(this);
 			m_toolBtn[row][col] = btn;
-			tqlayout->addWidget( btn, row, col );
+			layout->addWidget( btn, row, col );
 			btn->setFixedSize( _size+6, _size+6 );
 // 			btn->setFlat(true);
 			btn->setEnabled(false);
diff --git a/src/gui/oscilloscopeview.cpp b/src/gui/oscilloscopeview.cpp
index f74a822..e42af21 100644
--- a/src/gui/oscilloscopeview.cpp
+++ b/src/gui/oscilloscopeview.cpp
@@ -77,7 +77,7 @@ void OscilloscopeView::updateView()
 void OscilloscopeView::updateViewTimeout()
 {
 	b_needRedraw = true;
-	tqrepaint(false);
+	repaint(false);
 	updateTimeLabel();
 }
 
@@ -130,7 +130,7 @@ void OscilloscopeView::mousePressEvent( TQMouseEvent *event )
 			for ( uint i=0; i<5; ++i )
 			{
 				const int num = fps[i];
-				fpsMenu.insertItem( i18n("%1 fps").tqarg(num), num );
+				fpsMenu.insertItem( i18n("%1 fps").arg(num), num );
 				fpsMenu.setItemChecked( num, num == m_fps );
 			}
 	
diff --git a/src/gui/oscilloscopeview.h b/src/gui/oscilloscopeview.h
index b4e6a10..533c92e 100644
--- a/src/gui/oscilloscopeview.h
+++ b/src/gui/oscilloscopeview.h
@@ -33,7 +33,7 @@ class OscilloscopeView : public TQFrame
 		
 	public slots:
 		/**
-		 * Sets the needRedraw flag to true, and then class tqrepaint
+		 * Sets the needRedraw flag to true, and then class repaint
 		 */
 		void updateView();
 		void slotSetFrameRate( int fps );
diff --git a/src/gui/oscilloscopewidget.ui b/src/gui/oscilloscopewidget.ui
index 0a6acb9..79a98d0 100644
--- a/src/gui/oscilloscopewidget.ui
+++ b/src/gui/oscilloscopewidget.ui
@@ -27,7 +27,7 @@
         </property>
         <widget class="TQLayoutWidget" row="0" column="3" rowspan="2" colspan="1">
             <property name="name">
-                <cstring>tqlayout7</cstring>
+                <cstring>layout7</cstring>
             </property>
             <grid>
                 <property name="name">
@@ -67,13 +67,13 @@
                     <property name="name">
                         <cstring>probePositioner</cstring>
                     </property>
-                    <property name="tqminimumSize">
+                    <property name="minimumSize">
                         <size>
                             <width>16</width>
                             <height>0</height>
                         </size>
                     </property>
-                    <property name="tqmaximumSize">
+                    <property name="maximumSize">
                         <size>
                             <width>16</width>
                             <height>32767</height>
@@ -92,7 +92,7 @@
         </widget>
         <widget class="TQLayoutWidget" row="0" column="1" rowspan="2" colspan="1">
             <property name="name">
-                <cstring>tqlayout9</cstring>
+                <cstring>layout9</cstring>
             </property>
             <vbox>
                 <property name="name">
@@ -111,7 +111,7 @@
                     <property name="text">
                         <string>Zoom</string>
                     </property>
-                    <property name="tqalignment">
+                    <property name="alignment">
                         <set>AlignCenter</set>
                     </property>
                 </widget>
@@ -150,7 +150,7 @@
                     <property name="sizeType">
                         <enum>MinimumExpanding</enum>
                     </property>
-                    <property name="tqsizeHint">
+                    <property name="sizeHint">
                         <size>
                             <width>20</width>
                             <height>30</height>
@@ -164,7 +164,7 @@
                     <property name="text">
                         <string></string>
                     </property>
-                    <property name="tqalignment">
+                    <property name="alignment">
                         <set>AlignCenter</set>
                     </property>
                 </widget>
@@ -178,7 +178,7 @@
                     <property name="sizeType">
                         <enum>Fixed</enum>
                     </property>
-                    <property name="tqsizeHint">
+                    <property name="sizeHint">
                         <size>
                             <width>20</width>
                             <height>6</height>
@@ -216,7 +216,7 @@
             <property name="sizeType">
                 <enum>Fixed</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>6</width>
                     <height>6</height>
@@ -233,7 +233,7 @@
             <property name="sizeType">
                 <enum>Fixed</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>6</width>
                     <height>6</height>
diff --git a/src/gui/outputmethodwidget.ui b/src/gui/outputmethodwidget.ui
index 0814591..3eee06d 100644
--- a/src/gui/outputmethodwidget.ui
+++ b/src/gui/outputmethodwidget.ui
@@ -20,7 +20,7 @@
             <verstretch>0</verstretch>
         </sizepolicy>
     </property>
-    <property name="tqminimumSize">
+    <property name="minimumSize">
         <size>
             <width>450</width>
             <height>0</height>
@@ -115,7 +115,7 @@
             <property name="name">
                 <cstring>m_pMicroSelect</cstring>
             </property>
-            <property name="tqminimumSize">
+            <property name="minimumSize">
                 <size>
                     <width>0</width>
                     <height>0</height>
@@ -132,7 +132,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>0</height>
diff --git a/src/gui/picprogrammerconfigwidget.ui b/src/gui/picprogrammerconfigwidget.ui
index 43929f9..60654f9 100644
--- a/src/gui/picprogrammerconfigwidget.ui
+++ b/src/gui/picprogrammerconfigwidget.ui
@@ -43,7 +43,7 @@
                     <property name="sizeType">
                         <enum>Expanding</enum>
                     </property>
-                    <property name="tqsizeHint">
+                    <property name="sizeHint">
                         <size>
                             <width>295</width>
                             <height>20</height>
@@ -215,7 +215,7 @@
         </widget>
         <widget class="TQLayoutWidget">
             <property name="name">
-                <cstring>tqlayout5</cstring>
+                <cstring>layout5</cstring>
             </property>
             <hbox>
                 <property name="name">
@@ -249,7 +249,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>16</height>
diff --git a/src/gui/pieditor.cpp b/src/gui/pieditor.cpp
index 5adce57..f0daf3f 100644
--- a/src/gui/pieditor.cpp
+++ b/src/gui/pieditor.cpp
@@ -18,7 +18,7 @@
 #include <klocale.h>
 #include <knuminput.h>
 #include <kurlrequester.h>
-#include <tqlayout.h>
+#include <layout.h>
 
 //BEGIN class PIEditor
 PIEditor::PIEditor(TQString id, Variant *data, TQWidget *parent, const char *name)
@@ -46,8 +46,8 @@ void PIEditor::valueChanged( TQVariant /*variant*/ )
 PIBool::PIBool(TQString id, Variant *data, TQWidget *parent, const char *name )
 	: PIEditor( id, data, parent, name )
 {
-	TQHBoxLayout *tqlayout = new TQHBoxLayout(this);
-	tqlayout->setAutoAdd(true);
+	TQHBoxLayout *layout = new TQHBoxLayout(this);
+	layout->setAutoAdd(true);
 	
 	m_comboBox = new KComboBox(this);
 	m_comboBox->insertItem( i18n("True"), 0 );
@@ -82,8 +82,8 @@ void PIBool::valueChanged( TQVariant /*variant*/ )
 PIColor::PIColor(TQString id, Variant *data, TQWidget *parent, const char *name )
 	: PIEditor(id,data,parent, name)
 {
-	TQHBoxLayout *tqlayout = new TQHBoxLayout(this);
-	tqlayout->setAutoAdd(true);
+	TQHBoxLayout *layout = new TQHBoxLayout(this);
+	layout->setAutoAdd(true);
 	
 	m_combo = new ColorCombo( (ColorCombo::ColorScheme)m_data->colorScheme(), this );
 	m_combo->setColor(m_data->value().toColor());
@@ -117,8 +117,8 @@ void PIColor::valueChanged( TQVariant /*variant*/ )
 PIDouble::PIDouble(TQString id, Variant *data, TQWidget *parent, const char *name )
 	: PIEditor(id,data,parent, name)
 {
-	TQHBoxLayout *tqlayout = new TQHBoxLayout(this);
-	tqlayout->setAutoAdd(true);
+	TQHBoxLayout *layout = new TQHBoxLayout(this);
+	layout->setAutoAdd(true);
 	
 	spin = new DoubleSpinBox(m_data->minValue(),m_data->maxValue(),m_data->minAbsValue(),m_data->value().toDouble(),m_data->unit(),this);
 	
@@ -145,8 +145,8 @@ void PIDouble::valueChanged( TQVariant /*variant*/ )
 PIFilename::PIFilename(TQString id, Variant *data, TQWidget *parent, const char *name )
 	: PIEditor(id,data,parent, name)
 {
-	TQHBoxLayout *tqlayout = new TQHBoxLayout(this);
-	tqlayout->setAutoAdd(true);
+	TQHBoxLayout *layout = new TQHBoxLayout(this);
+	layout->setAutoAdd(true);
 	
 	m_combo = 0L;
 	if( m_data->allowed().count() == 0 )
@@ -196,8 +196,8 @@ void PIFilename::valueChanged( TQVariant /*variant*/ )
 PIInt::PIInt( const TQString &id, Variant *data, TQWidget *parent, const char *name )
 	: PIEditor( id, data, parent, name )
 {
-	TQHBoxLayout *tqlayout = new TQHBoxLayout(this);
-	tqlayout->setAutoAdd(true);
+	TQHBoxLayout *layout = new TQHBoxLayout(this);
+	layout->setAutoAdd(true);
 	
 	spin = new KIntSpinBox( (int)m_data->minValue(), (int)m_data->maxValue(), 1, m_data->value().toInt(), 10, this );
 	
@@ -224,8 +224,8 @@ void PIInt::valueChanged( TQVariant /*variant*/ )
 PILineEdit::PILineEdit(TQString id, Variant *data, TQWidget *parent, const char *name)
 	: PIEditor( id, data, parent, name)
 {
-	TQHBoxLayout *tqlayout = new TQHBoxLayout(this);
-	tqlayout->setAutoAdd(true);
+	TQHBoxLayout *layout = new TQHBoxLayout(this);
+	layout->setAutoAdd(true);
 	m_edit = new KLineEdit( m_data->value().toString() , this );
 	connect(m_edit,TQT_SIGNAL(textChanged(const TQString&)),this,TQT_SLOT(slotEditTextChanged()));
 }
@@ -251,8 +251,8 @@ void PILineEdit::valueChanged( TQVariant /*variant*/ )
 PIStringCombo::PIStringCombo(TQString id, Variant *data, TQWidget *parent, const char *name)
 	: PIEditor( id, data, parent, name)
 {
-	TQHBoxLayout *tqlayout = new TQHBoxLayout(this);
-	tqlayout->setAutoAdd(true);
+	TQHBoxLayout *layout = new TQHBoxLayout(this);
+	layout->setAutoAdd(true);
 	
 	m_combo = new KComboBox( this );
 	m_combo->insertStringList(m_data->allowed());
diff --git a/src/gui/probepositioner.cpp b/src/gui/probepositioner.cpp
index 481612c..25f7119 100644
--- a/src/gui/probepositioner.cpp
+++ b/src/gui/probepositioner.cpp
@@ -41,7 +41,7 @@ ProbePositioner::~ProbePositioner()
 void ProbePositioner::forceRepaint()
 {
 	b_needRedraw = true;
-	tqrepaint(false);
+	repaint(false);
 }
 
 
diff --git a/src/gui/processingoptionswidget.ui b/src/gui/processingoptionswidget.ui
index 501fd3b..658e394 100644
--- a/src/gui/processingoptionswidget.ui
+++ b/src/gui/processingoptionswidget.ui
@@ -26,7 +26,7 @@
             <property name="name">
                 <cstring>m_pMicroSelect</cstring>
             </property>
-            <property name="tqminimumSize">
+            <property name="minimumSize">
                 <size>
                     <width>0</width>
                     <height>0</height>
@@ -43,7 +43,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>16</height>
diff --git a/src/gui/programmerwidget.ui b/src/gui/programmerwidget.ui
index b41a05a..e9e603e 100644
--- a/src/gui/programmerwidget.ui
+++ b/src/gui/programmerwidget.ui
@@ -50,7 +50,7 @@
             <property name="name">
                 <cstring>m_pMicroSelect</cstring>
             </property>
-            <property name="tqminimumSize">
+            <property name="minimumSize">
                 <size>
                     <width>0</width>
                     <height>0</height>
@@ -83,7 +83,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>0</height>
diff --git a/src/gui/projectdlgs.cpp b/src/gui/projectdlgs.cpp
index 0f3ed9d..4524bea 100644
--- a/src/gui/projectdlgs.cpp
+++ b/src/gui/projectdlgs.cpp
@@ -27,7 +27,7 @@
 #include <tqcheckbox.h>
 #include <tqcombobox.h>
 #include <tqlabel.h>
-#include <tqlayout.h>
+#include <layout.h>
 
 //BEGIN class NewProjectDlg
 NewProjectDlg::NewProjectDlg( TQWidget * parent )
@@ -165,8 +165,8 @@ LinkerOptionsDlg::LinkerOptionsDlg( LinkerOptions * linkingOptions, TQWidget *pa
 	
 	delete m_pWidget->m_pExternalLibraries;
 	m_pWidget->m_pExternalLibraries = new KEditListBox( i18n("Link libraries outside project"), m_pExternalLibraryRequester->customEditor(), m_pWidget );
-	m_pWidget->m_pExternalLibraries->tqlayout()->setMargin(11);
-	(dynamic_cast<TQGridLayout*>(m_pWidget->tqlayout()))->addMultiCellWidget( m_pWidget->m_pExternalLibraries, 7, 7, 0, 1 );
+	m_pWidget->m_pExternalLibraries->layout()->setMargin(11);
+	(dynamic_cast<TQGridLayout*>(m_pWidget->layout()))->addMultiCellWidget( m_pWidget->m_pExternalLibraries, 7, 7, 0, 1 );
 	
 #if defined(KDE_MAKE_VERSION)
 # if TDE_VERSION >= KDE_MAKE_VERSION(3,4,0)
diff --git a/src/gui/propertieslistview.cpp b/src/gui/propertieslistview.cpp
index 75d21ba..e647997 100644
--- a/src/gui/propertieslistview.cpp
+++ b/src/gui/propertieslistview.cpp
@@ -191,18 +191,18 @@ void PropertiesListView::slotSelectionChanged(TQListViewItem *item)
 	connect(m_editor,TQT_SIGNAL(editorDataChanged(const TQString&,TQVariant)),this,TQT_SLOT(slotDataChanged(const TQString&,TQVariant)));
 	
 	int x = columnWidth(0);
-	int y = viewportToContents(TQPoint(0,tqitemRect(p_lastItem).y())).y();
+	int y = viewportToContents(TQPoint(0,itemRect(p_lastItem).y())).y();
 	addChild(m_editor,x,y);
 	m_editor->setFocus();
 	m_editor->show();
-	m_editor->setGeometry(TQRect(x,y,columnWidth(1),tqitemRect(p_lastItem).height()));
+	m_editor->setGeometry(TQRect(x,y,columnWidth(1),itemRect(p_lastItem).height()));
 	
 	if(p_lastItem->data()->type() == Variant::Type::FileName)
 	{
 		// The folder button in the KURLComboBox has a minimum size taller than
 		// the height of the ListViewItems so this is a temporary kludge to
 		// make it look slightly acceptable.
-		m_editor->setGeometry(TQRect(x,y,columnWidth(1),tqitemRect(p_lastItem).height()+7));
+		m_editor->setGeometry(TQRect(x,y,columnWidth(1),itemRect(p_lastItem).height()+7));
 	}
 	
 	// Active the editor as appropriate
@@ -271,7 +271,7 @@ void PropertiesListView::headerSizeChanged(int section, int /*oldSize*/, int new
 	
 	// Resize the editor to the new column width
 	// and move it to the right place.
-	TQRect rect = m_editor->tqgeometry();
+	TQRect rect = m_editor->geometry();
 	rect.setWidth(newSize);
 	rect.setX( columnWidth(0) );
 	m_editor->setGeometry(rect);
diff --git a/src/gui/sdccoptionswidget.ui b/src/gui/sdccoptionswidget.ui
index a8412b8..475a53b 100644
--- a/src/gui/sdccoptionswidget.ui
+++ b/src/gui/sdccoptionswidget.ui
@@ -111,7 +111,7 @@
                         <property name="sizeType">
                             <enum>Expanding</enum>
                         </property>
-                        <property name="tqsizeHint">
+                        <property name="sizeHint">
                             <size>
                                 <width>20</width>
                                 <height>20</height>
@@ -225,7 +225,7 @@
                         <property name="sizeType">
                             <enum>Expanding</enum>
                         </property>
-                        <property name="tqsizeHint">
+                        <property name="sizeHint">
                             <size>
                                 <width>20</width>
                                 <height>20</height>
@@ -397,7 +397,7 @@
                         <property name="sizeType">
                             <enum>Expanding</enum>
                         </property>
-                        <property name="tqsizeHint">
+                        <property name="sizeHint">
                             <size>
                                 <width>20</width>
                                 <height>20</height>
@@ -537,7 +537,7 @@
                         <property name="sizeType">
                             <enum>Expanding</enum>
                         </property>
-                        <property name="tqsizeHint">
+                        <property name="sizeHint">
                             <size>
                                 <width>20</width>
                                 <height>20</height>
@@ -570,7 +570,7 @@
             <property name="sizeType">
                 <enum>Expanding</enum>
             </property>
-            <property name="tqsizeHint">
+            <property name="sizeHint">
                 <size>
                     <width>20</width>
                     <height>16</height>
diff --git a/src/gui/settingsdlg.cpp b/src/gui/settingsdlg.cpp
index 72a7a07..3fd5a28 100644
--- a/src/gui/settingsdlg.cpp
+++ b/src/gui/settingsdlg.cpp
@@ -104,19 +104,19 @@ void SettingsDlg::slotUpdateRefreshRateLabel( int sliderValue )
 	switch(sliderValue)
 	{
 		case 0:
-			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Lowest (%1 FPS)").tqarg(number) );
+			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Lowest (%1 FPS)").arg(number) );
 			break;
 		case 1:
-			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Low (%1 FPS)").tqarg(number) );
+			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Low (%1 FPS)").arg(number) );
 			break;
 		case 2:
-			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Medium (%1 FPS)").tqarg(number) );
+			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Medium (%1 FPS)").arg(number) );
 			break;
 		case 3:
-			m_generalOptionsWidget->refreshRateLabel->setText( i18n("High (%1 FPS)").tqarg(number) );
+			m_generalOptionsWidget->refreshRateLabel->setText( i18n("High (%1 FPS)").arg(number) );
 			break;
 		case 4:
-			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Highest (%1 FPS)").tqarg(number) );
+			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Highest (%1 FPS)").arg(number) );
 			break;
 		default:
 			m_generalOptionsWidget->refreshRateLabel->setText( i18n("Unknown value") );
@@ -141,9 +141,9 @@ void SettingsDlg::slotUpdatePicProgrammerDescription()
 	
 	TQString programLocation = KStandardDirs::findExe( executable );
 	if ( programLocation.isNull() )
-		description.prepend( i18n("<b>%1</b> cannot be found.<br>").tqarg( executable ) );
+		description.prepend( i18n("<b>%1</b> cannot be found.<br>").arg( executable ) );
 	else
-		description.prepend( i18n("<b>%1</b> found: %2<br>").tqarg( executable ).tqarg(programLocation) );
+		description.prepend( i18n("<b>%1</b> found: %2<br>").arg( executable ).arg(programLocation) );
 	
 	m_picProgrammerConfigWidget->m_pProgrammerDescription->setText( description );
 	m_picProgrammerConfigWidget->removeButton->setEnabled( customProgrammer );
@@ -193,7 +193,7 @@ void SettingsDlg::slotRemoveProgrammerConfig()
 	
 	TQString program = combo->currentText();
 	
-	KMessageBox::ButtonCode confirm = (KMessageBox::ButtonCode)KMessageBox::warningContinueCancel( this, i18n("Remove programmer configuration \"%1\"?").tqarg(program), i18n("Remove \"%1\"").tqarg(program), i18n("Remove") );
+	KMessageBox::ButtonCode confirm = (KMessageBox::ButtonCode)KMessageBox::warningContinueCancel( this, i18n("Remove programmer configuration \"%1\"?").arg(program), i18n("Remove \"%1\"").arg(program), i18n("Remove") );
 	if ( confirm == KMessageBox::Cancel )
 		return;
 	
diff --git a/src/gui/symbolviewer.cpp b/src/gui/symbolviewer.cpp
index 170880b..f264cd7 100644
--- a/src/gui/symbolviewer.cpp
+++ b/src/gui/symbolviewer.cpp
@@ -19,7 +19,7 @@
 #include <kdebug.h>
 #include <klocale.h>
 #include <tqlabel.h>
-#include <tqlayout.h>
+#include <layout.h>
 
 #include <assert.h>
 
diff --git a/src/icndocument.cpp b/src/icndocument.cpp
index e78e631..8c817ed 100644
--- a/src/icndocument.cpp
+++ b/src/icndocument.cpp
@@ -25,7 +25,7 @@
 
 #include <kapplication.h>
 #include <kdebug.h>
-#include <tqclipboard.h>
+#include <clipboard.h>
 #include <tqtimer.h>
 
 ICNDocument::ICNDocument( const TQString &caption, KTechlab *ktechlab, const char *name )
@@ -1030,7 +1030,7 @@ void ICNDocument::copy()
 	data.addNodes( nodeList );
 	data.addConnectors( connectorList );
 	
-	KApplication::tqclipboard()->setText( data.toXML(), TQClipboard::Clipboard );
+	KApplication::clipboard()->setText( data.toXML(), TQClipboard::Clipboard );
 }
 
 void ICNDocument::selectAll()
@@ -1142,7 +1142,7 @@ void ICNDocument::requestRerouteInvalidatedConnectors()
 }
 void ICNDocument::rerouteInvalidatedConnectors()
 {
-	tqApp->tqprocessEvents(300);
+	tqApp->processEvents(300);
 	
 	// We only ever need to add the connector points for CNItem's when we're about to reroute...
 	addAllItemConnectorPoints();
diff --git a/src/item.cpp b/src/item.cpp
index 884ee17..48f2c91 100644
--- a/src/item.cpp
+++ b/src/item.cpp
@@ -17,7 +17,7 @@
 #include <kdialogbase.h>
 #include <ktextedit.h>
 #include <tqbitarray.h>
-#include <tqlayout.h>
+#include <layout.h>
 #include <tqtimer.h>
 
 const int minPrefixExp = -24;
@@ -313,11 +313,11 @@ bool Item::mouseDoubleClickEvent( const EventInfo &eventInfo )
 
 	KDialogBase *dlg = new KDialogBase( 0l, "", true, v->editorCaption(), KDialogBase::Ok|KDialogBase::Cancel|KDialogBase::User1, KDialogBase::Ok, false, KStdGuiItem::clear() );
 	TQFrame *frame = dlg->makeMainWidget();
-	TQVBoxLayout *tqlayout = new TQVBoxLayout( frame, 0, dlg->spacingHint() );
+	TQVBoxLayout *layout = new TQVBoxLayout( frame, 0, dlg->spacingHint() );
 	KTextEdit *textEdit = new KTextEdit( frame );
 	textEdit->setTextFormat( PlainText );
 	textEdit->setText( v->value().toString() );
-	tqlayout->addWidget( textEdit, 10 );
+	layout->addWidget( textEdit, 10 );
 	textEdit->setFocus();
 	connect( dlg, TQT_SIGNAL( user1Clicked() ), textEdit, TQT_SLOT( clear() ) );
 	dlg->setMinimumWidth( 600 );
@@ -381,22 +381,22 @@ int Item::level() const
 }
 
 
-ItemList Item::tqchildren( bool includeGrandChildren ) const
+ItemList Item::children( bool includeGrandChildren ) const
 {
 	if (!includeGrandChildren)
-		return m_tqchildren;
+		return m_children;
 	
-	ItemList tqchildren = m_tqchildren;
-	ItemList::const_iterator end = m_tqchildren.end();
-	for ( ItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	ItemList children = m_children;
+	ItemList::const_iterator end = m_children.end();
+	for ( ItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if (!*it)
 			continue;
 		
-		tqchildren += (*it)->tqchildren(true);
+		children += (*it)->children(true);
 	}
 	
-	return tqchildren;
+	return children;
 }
 
 
@@ -417,7 +417,7 @@ void Item::addChild( Item *child )
 		return;
 	}
 	
-	m_tqchildren.append(child);
+	m_children.append(child);
 	connect( child, TQT_SIGNAL(removed(Item* )), this, TQT_SLOT(removeChild(Item* )) );
 	
 	child->setParentItem(this);
@@ -428,10 +428,10 @@ void Item::addChild( Item *child )
 
 void Item::removeChild( Item *child )
 {
-	if ( !child || !m_tqchildren.contains(child) )
+	if ( !child || !m_children.contains(child) )
 		return;
 	
-	m_tqchildren.remove(child);
+	m_children.remove(child);
 	disconnect( child, TQT_SIGNAL(removed(Item* )), this, TQT_SLOT(removeChild(Item* )) );
 	
 	childRemoved(child);
@@ -441,8 +441,8 @@ void Item::removeChild( Item *child )
 
 bool Item::contains( Item *item, bool direct ) const
 {
-	const ItemList::const_iterator end = m_tqchildren.end();
-	for ( ItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	const ItemList::const_iterator end = m_children.end();
+	for ( ItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if ( (Item*)*it == item || ( !direct && (*it)->contains( item, false ) ) )
 			return true;
@@ -468,8 +468,8 @@ void Item::updateZ( int baseZ )
 	
 	setZ(z);
 	
-	const ItemList::const_iterator end = m_tqchildren.end();
-	for ( ItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	const ItemList::const_iterator end = m_children.end();
+	for ( ItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if (*it)
 			(*it)->updateZ(baseZ+1);
diff --git a/src/item.h b/src/item.h
index 9710d93..56cf426 100644
--- a/src/item.h
+++ b/src/item.h
@@ -130,7 +130,7 @@ public:
 	bool isRaised() const { return m_bIsRaised; }
 	/**
 	 * Sets this item to the given baseZ level, and calls this function for the
-	 * tqchildren with baseZ incremented by one. Reinherit this function to set
+	 * children with baseZ incremented by one. Reinherit this function to set
 	 * the Z of attached stuff (such as nodes).
 	 */
 	virtual void updateZ( int baseZ );
@@ -143,12 +143,12 @@ public:
 	 */
 	void addChild( Item *child );
 	/**
-	 * Returns the list of tqchildren.
+	 * Returns the list of children.
 	 * @param if includeGrandChildren is true then this list will also contain
-	 * the tqchildren's tqchildren, and so on recursively, instead of just the
-	 * immediate tqchildren.
+	 * the children's children, and so on recursively, instead of just the
+	 * immediate children.
 	 */
-	ItemList tqchildren( bool includeGrandChildren = false ) const;
+	ItemList children( bool includeGrandChildren = false ) const;
 	/**
 	 * Returns whether we have the given child as either a direct child, or as
 	 * either a direct or indirect child
@@ -173,7 +173,7 @@ public:
 	 * Reinherit this function if you want to determine what the minimum size is
 	 * that this item can be resized to.
 	 */
-	virtual TQSize tqminimumSize() const { return TQSize(0,0); }
+	virtual TQSize minimumSize() const { return TQSize(0,0); }
 	int offsetX() const { return m_sizeRect.x(); }
 	int offsetY() const { return m_sizeRect.y(); }
 	int width() const { return m_sizeRect.width(); }
@@ -259,17 +259,17 @@ protected slots:
 	
 protected:
 	/**
-	 * Reinherit this function if you want to do anything with tqchildren. Called
+	 * Reinherit this function if you want to do anything with children. Called
 	 * after the parent is changed, with the old parent and the new parent.
 	 */
 	virtual void reparented( Item */*oldParent*/, Item */*newParent*/ ) {};
 	/**
-	 * Reinherit this function if you want to do anything with tqchildren. Called
+	 * Reinherit this function if you want to do anything with children. Called
 	 * after a child has been added.
 	 */
 	virtual void childAdded( Item * ) {};
 	/**
-	 * Reinherit this function if you want to do anything with tqchildren. Called
+	 * Reinherit this function if you want to do anything with children. Called
 	 * after a child has been removed.
 	 */
 	virtual void childRemoved( Item * ) {};
@@ -290,7 +290,7 @@ protected:
 	TQString m_name, m_desc; // Name and description
 	TQString m_type;
 	GuardedItem p_parentItem; // If attached to a parent item
-	ItemList m_tqchildren;
+	ItemList m_children;
 	TQGuardedPtr<ItemDocument> p_itemDocument;
 	TQPointArray m_itemPoints; // The unorientated and unsized item points
 	
diff --git a/src/itemdocument.cpp b/src/itemdocument.cpp
index 283eb5f..c8ded12 100644
--- a/src/itemdocument.cpp
+++ b/src/itemdocument.cpp
@@ -33,7 +33,7 @@
 #include <kpopupmenu.h>
 #include <kprinter.h>
 #include <tqcheckbox.h>
-#include <tqclipboard.h>
+#include <clipboard.h>
 #include <tqcursor.h>
 #include <tqimage.h>
 #include <tqpaintdevicemetrics.h>
@@ -266,7 +266,7 @@ void ItemDocument::print()
 	p.setClipRect( 0, 0, w, h, TQPainter::CoordPainter );
 	
 	// Send off the painter for drawing
-	m_canvas->tqsetBackgroundPixmap( 0 );
+	m_canvas->setBackgroundPixmap( 0 );
 	
 	TQRect bounding = canvasBoundingRect();
 	unsigned int rows = (unsigned) std::ceil( double( bounding.height() ) / double( h ) );
@@ -406,7 +406,7 @@ void ItemDocument::cut()
 
 void ItemDocument::paste()
 {
-	TQString xml = KApplication::tqclipboard()->text( TQClipboard::Clipboard );
+	TQString xml = KApplication::clipboard()->text( TQClipboard::Clipboard );
 	if ( xml.isEmpty() )
 		return;
 	
@@ -672,7 +672,7 @@ void ItemDocument::updateBackground()
 	}
 
 	pm.setDefaultOptimization( TQPixmap::BestOptim );
-	m_canvas->tqsetBackgroundPixmap(pm); // and the finale.
+	m_canvas->setBackgroundPixmap(pm); // and the finale.
 }
 
 
@@ -820,7 +820,7 @@ void ItemDocument::exportToImage()
 	
 	if ( TQFile::exists( url.path() ) )
 	{
-		int query = KMessageBox::warningYesNo( p_ktechlab, i18n( "A file named \"%1\" already exists. " "Are you sure you want to overwrite it?" ).tqarg( url.fileName() ), i18n( "Overwrite File?" ), i18n( "Overwrite" ), KStdGuiItem::cancel() );
+		int query = KMessageBox::warningYesNo( p_ktechlab, i18n( "A file named \"%1\" already exists. " "Are you sure you want to overwrite it?" ).arg( url.fileName() ), i18n( "Overwrite File?" ), i18n( "Overwrite" ), KStdGuiItem::cancel() );
 		if ( query == KMessageBox::No ) return;
 	}
 	
@@ -894,7 +894,7 @@ void ItemDocument::exportToImage()
 	
 	TQPainter p(outputImage);
 	
-	m_canvas->tqsetBackgroundPixmap(TQPixmap());
+	m_canvas->setBackgroundPixmap(TQPixmap());
 	m_canvas->drawArea( saveArea, &p );
 	updateBackground();
 	
@@ -924,7 +924,7 @@ void ItemDocument::exportToImage()
 			saveResult = dynamic_cast<TQPixmap*>(outputImage)->save( url.path(), type );
 	}
 	
-	//if(saveResult == true)	KMessageBox::information( this, i18n("Sucessfully exported to \"%1\"").tqarg( url.filename() ), i18n("Image Export") );
+	//if(saveResult == true)	KMessageBox::information( this, i18n("Sucessfully exported to \"%1\"").arg( url.filename() ), i18n("Image Export") );
 	//else KMessageBox::information( this, i18n("Export failed"), i18n("Image Export") );
 	
 	if ( type == "SVG" )
@@ -1170,7 +1170,7 @@ void CanvasTip::display( const TQPoint &pos )
 	{
 		TQString text;
 		for ( unsigned i = 0; i < num; i++ )
-			text += TQString(" %1: %2\n").tqarg( TQString::number(i) ).tqarg( displayText(i) );
+			text += TQString(" %1: %2\n").arg( TQString::number(i) ).arg( displayText(i) );
 		setText(text);
 	}
 }
@@ -1182,10 +1182,10 @@ TQString CanvasTip::displayText( unsigned num ) const
 		return TQString();
 	
 	return TQString(" %1%2V  %3%4A ")
-			.tqarg( TQString::number( m_v[num] / CNItem::getMultiplier(m_v[num]), 'g', 3 ) )
-			.tqarg( CNItem::getNumberMag( m_v[num] ) )
-			.tqarg( TQString::number( m_i[num] / CNItem::getMultiplier(m_i[num]), 'g', 3 ) )
-			.tqarg( CNItem::getNumberMag( m_i[num] ) );
+			.arg( TQString::number( m_v[num] / CNItem::getMultiplier(m_v[num]), 'g', 3 ) )
+			.arg( CNItem::getNumberMag( m_v[num] ) )
+			.arg( TQString::number( m_i[num] / CNItem::getMultiplier(m_i[num]), 'g', 3 ) )
+			.arg( CNItem::getNumberMag( m_i[num] ) );
 }
 
 
@@ -1304,9 +1304,9 @@ void Canvas::drawForeground ( TQPainter &p, const TQRect & clip )
 		return;
 	}
 	
-	p.setBrush( firstView->tqcolorGroup().background() );
+	p.setBrush( firstView->colorGroup().background() );
 	p.drawRoundRect( x, y, w+2*b, h+2*b, (8*200)/(w+2*b), (8*200)/(h+2*b) );
-	t->draw( &p, x+b, y+b, TQRect(), firstView->tqcolorGroup() );
+	t->draw( &p, x+b, y+b, TQRect(), firstView->colorGroup() );
 	delete t;
 }
 
diff --git a/src/itemdocumentdata.cpp b/src/itemdocumentdata.cpp
index f9085b8..61271f0 100644
--- a/src/itemdocumentdata.cpp
+++ b/src/itemdocumentdata.cpp
@@ -110,7 +110,7 @@ bool ItemDocumentData::loadData( const KURL &url )
 	TQFile file(target);
 	if ( !file.open( IO_ReadOnly ) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open %1 for reading").tqarg(target) );
+		KMessageBox::sorry( 0l, i18n("Could not open %1 for reading").arg(target) );
 		return false;
 	}
 	
@@ -132,7 +132,7 @@ bool ItemDocumentData::fromXML( const TQString &xml )
 	TQString errorMessage;
 	if ( !doc.setContent( xml, &errorMessage ) )
 	{
-		KMessageBox::sorry( 0l, i18n("Couldn't parse xml:\n%1").tqarg(errorMessage) );
+		KMessageBox::sorry( 0l, i18n("Couldn't parse xml:\n%1").arg(errorMessage) );
 		return false;
 	}
 	
@@ -180,7 +180,7 @@ bool ItemDocumentData::saveData( const KURL &url )
 		TQFile file( url.path() );
 		if ( !file.open(IO_WriteOnly) )
 		{
-			KMessageBox::sorry( 0l, i18n("Could not open '%1' for writing. Check that you have write permissions").tqarg(url.path()), i18n("Saving File") );
+			KMessageBox::sorry( 0l, i18n("Could not open '%1' for writing. Check that you have write permissions").arg(url.path()), i18n("Saving File") );
 			return false;
 		}
 		
@@ -1001,7 +1001,7 @@ void ItemDocumentData::mergeWithDocument( ItemDocument *itemDocument, bool selec
 			if (item)
 			{
 				//HACK We move the item now before restoreFromItemData is called later, in case it is to be parented
-				//(as we don't want to move tqchildren)...
+				//(as we don't want to move children)...
 				item->move( it.data().x, it.data().y );
 			}
 		}
diff --git a/src/itemgroup.cpp b/src/itemgroup.cpp
index ce22a1a..c1ab4da 100644
--- a/src/itemgroup.cpp
+++ b/src/itemgroup.cpp
@@ -52,22 +52,22 @@ ItemList ItemGroup::items( bool excludeParentedItems ) const
 	do
 	{
 		oldSize = items.size();
-		ItemList tqchildren;
+		ItemList children;
 		
 		ItemList::iterator end = parents.end();
 		for ( ItemList::iterator it = parents.begin(); it != end; ++it )
-			tqchildren += (*it)->tqchildren();
+			children += (*it)->children();
 		
-		end = tqchildren.end();
-		for ( ItemList::iterator it = tqchildren.begin(); it != end; ++it )
+		end = children.end();
+		for ( ItemList::iterator it = children.begin(); it != end; ++it )
 		{
-			if ( tqchildren.contains(*it) > 1 )
+			if ( children.contains(*it) > 1 )
 				*it = 0l;
 		}
-		tqchildren.remove((Item*)0l);
+		children.remove((Item*)0l);
 		
-		items += tqchildren;
-		parents = tqchildren;
+		items += children;
+		parents = children;
 	}
 	while ( oldSize != items.size() );
 	
@@ -148,19 +148,19 @@ void ItemGroup::registerItem( Item *item )
 	}
 	
 	m_itemList += item;
-	updateAreSametqStatus();
+	updateAreSameStatus();
 }
 
 
 void ItemGroup::unregisterItem( Item *item )
 {
 	if ( m_itemList.remove(item) > 0 ) {
-		updateAreSametqStatus();
+		updateAreSameStatus();
 	}
 }
 
 
-void ItemGroup::updateAreSametqStatus()
+void ItemGroup::updateAreSameStatus()
 {
 	b_itemsAreSameType = true;
 	
diff --git a/src/itemgroup.h b/src/itemgroup.h
index 26bdeed..b212541 100644
--- a/src/itemgroup.h
+++ b/src/itemgroup.h
@@ -124,7 +124,7 @@ protected:
 	 * Subclasses must call this to unregister the item with the data interface
 	 */
 	void unregisterItem( Item *item );
-	void updateAreSametqStatus();
+	void updateAreSameStatus();
 	
 	ItemList m_itemList;
 	bool b_itemsAreSameType;
diff --git a/src/iteminterface.cpp b/src/iteminterface.cpp
index 6a60ec6..9fe0527 100644
--- a/src/iteminterface.cpp
+++ b/src/iteminterface.cpp
@@ -237,7 +237,7 @@ TQWidget * ItemInterface::configWidget()
 	
 	// Create new widget with the toolbar or dialog as the parent
 	TQWidget * configWidget = new TQWidget( parent, "tbConfigWidget" );
-	configWidget->tqsetSizePolicy( TQSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding, 1, 1 ) );
+	configWidget->setSizePolicy( TQSizePolicy( TQSizePolicy::MinimumExpanding, TQSizePolicy::MinimumExpanding, 1, 1 ) );
 	
 	TQHBoxLayout * configLayout = new TQHBoxLayout( configWidget );
 // 	configLayout->setAutoAdd( true );
@@ -396,7 +396,7 @@ TQWidget * ItemInterface::configWidget()
 			{
 				TQSizePolicy p( TQSizePolicy::MinimumExpanding, TQSizePolicy::Fixed, 1, 1 );
 			
-				editWidget->tqsetSizePolicy( p );
+				editWidget->setSizePolicy( p );
 				editWidget->setMaximumWidth( 250 );
 				break;
 			}
diff --git a/src/itemlibrary.cpp b/src/itemlibrary.cpp
index 4d955d2..720c5c7 100644
--- a/src/itemlibrary.cpp
+++ b/src/itemlibrary.cpp
@@ -381,7 +381,7 @@ TQImage ItemLibrary::itemImage( Item *item, const uint maxSize )
 	p.setPen( item->pen() );
 	p.setBrush( item->brush() );
 	
-	// Now draw the tqshape :-)
+	// Now draw the shape :-)
 	const bool sel = item->isSelected();
 	if (sel)
 	{
diff --git a/src/itemview.cpp b/src/itemview.cpp
index fd2d6af..9370e1b 100644
--- a/src/itemview.cpp
+++ b/src/itemview.cpp
@@ -86,8 +86,8 @@ ItemView::ItemView( ItemDocument * itemDocument, ViewContainer *viewContainer, u
 	setXMLFile( "ktechlabitemviewui.rc" );
 	
 	m_pUpdateStatusTmr = new TQTimer(this);
-	connect( m_pUpdateStatusTmr, TQT_SIGNAL(timeout()), this, TQT_SLOT(updatetqStatus()) );
-	connect( this, TQT_SIGNAL(viewUnfocused()), this, TQT_SLOT(stopUpdatingtqStatus()) );
+	connect( m_pUpdateStatusTmr, TQT_SIGNAL(timeout()), this, TQT_SLOT(updateStatus()) );
+	connect( this, TQT_SIGNAL(viewUnfocused()), this, TQT_SLOT(stopUpdatingStatus()) );
 	
 	p_itemDocument = itemDocument;
 	m_zoomLevel = 1.;
@@ -198,7 +198,7 @@ void ItemView::dropEvent( TQDropEvent *event )
 		return;
 	
 	TQString text;
-	TQDataStream stream( event->tqencodedData(event->format()), IO_ReadOnly );
+	TQDataStream stream( event->encodedData(event->format()), IO_ReadOnly );
 	stream >> text;
 
 	TQPoint position = event->pos();
@@ -278,7 +278,7 @@ void ItemView::contentsMouseMoveEvent( TQMouseEvent *e )
 	
 	p_itemDocument->m_cmManager->mouseMoveEvent( EventInfo( this, e ) );
 	if ( !m_pUpdateStatusTmr->isActive() )
-		startUpdatingtqStatus();
+		startUpdatingStatus();
 }
 
 
@@ -306,7 +306,7 @@ void ItemView::contentsWheelEvent( TQWheelEvent *e )
 
 void ItemView::dragEnterEvent( TQDragEnterEvent *event )
 {
-	startUpdatingtqStatus();
+	startUpdatingStatus();
 	
 	KURL::List urls;
 	if ( KURLDrag::decode( event, urls ) )
@@ -321,14 +321,14 @@ void ItemView::dragEnterEvent( TQDragEnterEvent *event )
 void ItemView::enterEvent( TQEvent * e )
 {
 	Q_UNUSED(e);
-	startUpdatingtqStatus();
+	startUpdatingStatus();
 }
 
 
 void ItemView::leaveEvent( TQEvent * e )
 {
 	Q_UNUSED(e);
-	stopUpdatingtqStatus();
+	stopUpdatingStatus();
 	
 	// Cleanup
 	setCursor(TQt::ArrowCursor);
@@ -337,7 +337,7 @@ void ItemView::leaveEvent( TQEvent * e )
 		p_ktechlab->slotChangeStatusbar(TQString());
 	
 	if ( p_itemDocument )
-		p_itemDocument->m_canvasTip->tqsetVisible(false);
+		p_itemDocument->m_canvasTip->setVisible(false);
 }
 
 
@@ -347,24 +347,24 @@ void ItemView::slotUpdateConfiguration()
 	m_CVBEditor->setEraseColor( TQt::white );
 	
 	if ( m_pUpdateStatusTmr->isActive() )
-		startUpdatingtqStatus();
+		startUpdatingStatus();
 }
 
 
-void ItemView::startUpdatingtqStatus()
+void ItemView::startUpdatingStatus()
 {
 	m_pUpdateStatusTmr->stop();
 	m_pUpdateStatusTmr->start( int(1000./KTLConfig::refreshRate()) );
 }
 
 
-void ItemView::stopUpdatingtqStatus()
+void ItemView::stopUpdatingStatus()
 {
 	m_pUpdateStatusTmr->stop();
 }
 
 
-void ItemView::updatetqStatus()
+void ItemView::updateStatus()
 {
 	TQPoint pos = (m_CVBEditor->mapFromGlobal( TQCursor::pos() ) + TQPoint( m_CVBEditor->contentsX(), m_CVBEditor->contentsY() )) / zoomLevel();
 	
@@ -456,7 +456,7 @@ void ItemView::updatetqStatus()
 	if (p_ktechlab)
 		p_ktechlab->slotChangeStatusbar(statusbar);
 	
-	canvasTip->tqsetVisible(displayTip);
+	canvasTip->setVisible(displayTip);
 }
 
 //END class ItemView
diff --git a/src/itemview.h b/src/itemview.h
index e847ed0..3be2a2d 100644
--- a/src/itemview.h
+++ b/src/itemview.h
@@ -44,15 +44,15 @@ class ItemView : public View
 		void zoomIn();
 		void zoomOut();
 		void scrollToMouse( const TQPoint &pos );
-		virtual void updatetqStatus();
+		virtual void updateStatus();
 
 	protected slots:
 		/**
 		 * Called when the user changes the configuration.
 		 */
 		virtual void slotUpdateConfiguration();
-		void startUpdatingtqStatus();
-		void stopUpdatingtqStatus();
+		void startUpdatingStatus();
+		void stopUpdatingStatus();
 
 	protected:
 		void updateZoomActions();
diff --git a/src/katemdi.cpp b/src/katemdi.cpp
index 5378396..4c817ea 100644
--- a/src/katemdi.cpp
+++ b/src/katemdi.cpp
@@ -478,7 +478,7 @@ void Sidebar::restoreSession (KConfig *config)
   {
     ToolView *tv = m_toolviews[firstWrong];
 
-    unsigned int pos = config->readUnsignedNumEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").tqarg(tv->id), firstWrong);
+    unsigned int pos = config->readUnsignedNumEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").arg(tv->id), firstWrong);
 
     if (pos != firstWrong)
       break;
@@ -493,7 +493,7 @@ void Sidebar::restoreSession (KConfig *config)
     {
       TmpToolViewSorter s;
       s.tv = m_toolviews[i];
-      s.pos = config->readUnsignedNumEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").tqarg(m_toolviews[i]->id), i);
+      s.pos = config->readUnsignedNumEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").arg(m_toolviews[i]->id), i);
       toSort.push_back (s);
     }
 
@@ -508,7 +508,7 @@ void Sidebar::restoreSession (KConfig *config)
         }
 
     // then: remove this items from the button bar
-    // do this backwards, to minimize the retqlayout efforts
+    // do this backwards, to minimize the relayout efforts
     for (int i=m_toolviews.size()-1; i >= (int)firstWrong; --i)
     {
       removeTab (m_widgetToId[m_toolviews[i]]);
@@ -536,7 +536,7 @@ void Sidebar::restoreSession (KConfig *config)
   updateLastSize ();
 
   // restore the own splitter sizes
-  TQValueList<int> s = config->readIntListEntry (TQString ("Kate-MDI-Sidebar-%1-Splitter").tqarg(sidebarPosition()));
+  TQValueList<int> s = config->readIntListEntry (TQString ("Kate-MDI-Sidebar-%1-Splitter").arg(sidebarPosition()));
   m_ownSplit->setSizes (s);
 
   // show only correct toolviews, remember persistent values ;)
@@ -545,8 +545,8 @@ void Sidebar::restoreSession (KConfig *config)
   {
     ToolView *tv = m_toolviews[i];
 
-    tv->persistent = config->readBoolEntry (TQString ("Kate-MDI-ToolView-%1-Persistent").tqarg(tv->id), false);
-    tv->setVisible (config->readBoolEntry (TQString ("Kate-MDI-ToolView-%1-Visible").tqarg(tv->id), false));
+    tv->persistent = config->readBoolEntry (TQString ("Kate-MDI-ToolView-%1-Persistent").arg(tv->id), false);
+    tv->setVisible (config->readBoolEntry (TQString ("Kate-MDI-ToolView-%1-Visible").arg(tv->id), false));
 
     if (!anyVis)
       anyVis = tv->visible();
@@ -569,17 +569,17 @@ void Sidebar::saveSession (KConfig *config)
 {
   // store the own splitter sizes
   TQValueList<int> s = m_ownSplit->sizes();
-  config->writeEntry (TQString ("Kate-MDI-Sidebar-%1-Splitter").tqarg(sidebarPosition()), s);
+  config->writeEntry (TQString ("Kate-MDI-Sidebar-%1-Splitter").arg(sidebarPosition()), s);
 
   // store the data about all toolviews in this sidebar ;)
   for ( unsigned int i=0; i < m_toolviews.size(); ++i )
   {
     ToolView *tv = m_toolviews[i];
 
-	config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Position").tqarg(tv->id), tv->sidebar()->sidebarPosition());
-    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").tqarg(tv->id), i);
-    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Visible").tqarg(tv->id), tv->visible());
-    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Persistent").tqarg(tv->id), tv->persistent);
+	config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Position").arg(tv->id), tv->sidebar()->sidebarPosition());
+    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Sidebar-Position").arg(tv->id), i);
+    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Visible").arg(tv->id), tv->visible());
+    config->writeEntry (TQString ("Kate-MDI-ToolView-%1-Persistent").arg(tv->id), tv->persistent);
   }
 }
 
@@ -651,7 +651,7 @@ ToolView *MainWindow::createToolView (const TQString &identifier, KMultiTabBar::
   if (m_restoreConfig && m_restoreConfig->hasGroup (m_restoreGroup))
   {
     m_restoreConfig->setGroup (m_restoreGroup);
-    pos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").tqarg(identifier), pos);
+    pos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").arg(identifier), pos);
   }
 
   ToolView *v  = m_sidebars[pos]->addWidget (icon, text, 0);
@@ -710,7 +710,7 @@ bool MainWindow::moveToolView (ToolView *widget, KMultiTabBar::KMultiTabBarPosit
   if (m_restoreConfig && m_restoreConfig->hasGroup (m_restoreGroup))
   {
     m_restoreConfig->setGroup (m_restoreGroup);
-    pos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").tqarg(widget->id), pos);
+    pos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").arg(widget->id), pos);
   }
 
   m_sidebars[pos]->addWidget (widget->icon, widget->text, widget);
@@ -803,7 +803,7 @@ void MainWindow::finishRestore ()
     m_restoreConfig->setGroup (m_restoreGroup);
     for ( unsigned int i=0; i < m_toolviews.size(); ++i )
     {
-		KMultiTabBar::KMultiTabBarPosition newPos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").tqarg(m_toolviews[i]->id), m_toolviews[i]->sidebar()->sidebarPosition());
+		KMultiTabBar::KMultiTabBarPosition newPos = (KMultiTabBar::KMultiTabBarPosition) m_restoreConfig->readNumEntry (TQString ("Kate-MDI-ToolView-%1-Position").arg(m_toolviews[i]->id), m_toolviews[i]->sidebar()->sidebarPosition());
 
 		if (m_toolviews[i]->sidebar()->sidebarPosition() != newPos)
       {
diff --git a/src/ktechlab.cpp b/src/ktechlab.cpp
index 7910c78..d73d77f 100644
--- a/src/ktechlab.cpp
+++ b/src/ktechlab.cpp
@@ -105,7 +105,7 @@ void KTechlab::show()
 
 void KTechlab::load( const KURL & url )
 {
-	if ( url.url().tqendsWith( ".ktechlab", false ) )
+	if ( url.url().endsWith( ".ktechlab", false ) )
 	{
 		// This is a ktechlab project; it has to be handled separetly from a
 		// normal file.
@@ -293,9 +293,9 @@ void KTechlab::overlayToolBarScreenshot()
 	// 128 is a sanity check (widget can do strange things when being destroyed)
 	
 	if ( toolsWidget && toolsWidget->height() <= 128 )
-		grabRect |= toolsWidget->tqgeometry();
+		grabRect |= toolsWidget->geometry();
 	if ( debugWidget && debugWidget->height() <= 128 )
-		grabRect |= debugWidget->tqgeometry();
+		grabRect |= debugWidget->geometry();
 	
 	if ( !grabRect.isValid() )
 		return;
@@ -647,8 +647,8 @@ void KTechlab::saveProperties( KConfig *conf )
 	conf->setGroup("KateMDI");
 	int scnum = TQApplication::desktop()->screenNumber(parentWidget());
 	TQRect desk = TQApplication::desktop()->screenGeometry(scnum);
-	conf->deleteEntry( TQString::tqfromLatin1("Width %1").tqarg(desk.width()) );
-	conf->deleteEntry( TQString::tqfromLatin1("Height %1").tqarg(desk.height()) );
+	conf->deleteEntry( TQString::fromLatin1("Width %1").arg(desk.width()) );
+	conf->deleteEntry( TQString::fromLatin1("Height %1").arg(desk.height()) );
 	
 	conf->sync();
 }
diff --git a/src/languages/flowcode.cpp b/src/languages/flowcode.cpp
index 5356eab..fe575f9 100644
--- a/src/languages/flowcode.cpp
+++ b/src/languages/flowcode.cpp
@@ -173,7 +173,7 @@ TQString FlowCode::generateMicrobe( const ItemList &itemList, MicroSettings *set
 				continue;
 			
 			if ( !startPart->outputPart( nodeMapIt.key() ) )
-				outputWarning( i18n("Warning: Floating connection for %1").tqarg( startPart->id() ) );
+				outputWarning( i18n("Warning: Floating connection for %1").arg( startPart->id() ) );
 		}
 		
 		FlowContainer * fc = dynamic_cast<FlowContainer*>((Item*)*it);
@@ -259,7 +259,7 @@ TQString FlowCode::generateMicrobe( const ItemList &itemList, MicroSettings *set
 			if ( type.isEmpty() )
 				continue;
 			
-			addCode( TQString("%1 %2 %3").tqarg( type ).tqarg( it.key() ).tqarg( it.data().pins().join(" ") ) );
+			addCode( TQString("%1 %2 %3").arg( type ).arg( it.key() ).arg( it.data().pins().join(" ") ) );
 		}
 	}
 	
diff --git a/src/languages/picprogrammer.cpp b/src/languages/picprogrammer.cpp
index 5ef37dd..3200e99 100644
--- a/src/languages/picprogrammer.cpp
+++ b/src/languages/picprogrammer.cpp
@@ -22,7 +22,7 @@
 #include <tqfile.h>
 #include <kprocess.h>
 #include <tqregexp.h>
-#include <tqtextstream.h>
+#include <textstream.h>
 #include <tqdatetime.h>
 
 #include <stdio.h>
@@ -63,7 +63,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_bDoneStaticConfigsInit = true;
 	ProgrammerConfig config;
 	
-	config.description = i18n("Supported programmers: %1").tqarg("JuPic, PICStart Plus, Warp-13");
+	config.description = i18n("Supported programmers: %1").arg("JuPic, PICStart Plus, Warp-13");
 	config.description += i18n("<br>Interface: Serial Port");
 	config.initCommand = "";
 	config.readCommand = "picp %port %device -rp %file";
@@ -75,7 +75,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "PICP" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("Epic Plus");
+	config.description = i18n("Supported programmers: %1").arg("Epic Plus");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "odyssey init";
 	config.readCommand = "odyssey %device read %file";
@@ -87,7 +87,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "Odyssey" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("JDM PIC-Programmer 2, PIC-PG2C");
+	config.description = i18n("Supported programmers: %1").arg("JDM PIC-Programmer 2, PIC-PG2C");
 	config.description += i18n("<br>Interface: Serial Port");
 	config.initCommand = "";
 	config.readCommand = "picprog --output %file --pic %port";
@@ -98,7 +98,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "PICProg" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("Epic Plus");
+	config.description = i18n("Supported programmers: %1").arg("Epic Plus");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "dump84 --dump-all --output=%file";
@@ -109,7 +109,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "prog84" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("Kit 149, Kit 150");
+	config.description = i18n("Supported programmers: %1").arg("Kit 149, Kit 150");
 	config.description += i18n("<br>Interface: USB Port");
 	config.initCommand = "";
 	config.readCommand = "pp -d %device -r %file";
@@ -120,7 +120,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "PP" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("Wisp628");
+	config.description = i18n("Supported programmers: %1").arg("Wisp628");
 	config.description += i18n("<br>Interface: Serial Port");
 	config.initCommand = "";
 	config.readCommand = "xwisp ID %device PORT %device DUMP";
@@ -132,7 +132,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	
 	
 #if 0
-	config.description = i18n("Supported programmers: %1").tqarg("Epic Plus, JDM PIC-Programmer 2, PICCOLO, PICCOLO Grande, Trivial HVP Programmer");
+	config.description = i18n("Supported programmers: %1").arg("Epic Plus, JDM PIC-Programmer 2, PICCOLO, PICCOLO Grande, Trivial HVP Programmer");
 	config.description += i18n("<br>Interface: Serial Port and Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "";
@@ -145,7 +145,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	config.executable = "";
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("Trivial LVP programmer, Trivial HVP Programmer");
+	config.description = i18n("Supported programmers: %1").arg("Trivial LVP programmer, Trivial HVP Programmer");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "";
@@ -156,7 +156,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "PicPrg2" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("El Cheapo");
+	config.description = i18n("Supported programmers: %1").arg("El Cheapo");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "";
@@ -167,7 +167,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "PP06" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("NOPPP");
+	config.description = i18n("Supported programmers: %1").arg("NOPPP");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "";
@@ -178,7 +178,7 @@ void PicProgrammerSettings::initStaticConfigs()
 	m_staticConfigs[ "NOPPP" ] = config;
 	
 	
-	config.description = i18n("Supported programmers: %1").tqarg("SNOPPP");
+	config.description = i18n("Supported programmers: %1").arg("SNOPPP");
 	config.description += i18n("<br>Interface: Parallel Port");
 	config.initCommand = "";
 	config.readCommand = "";
@@ -232,7 +232,7 @@ void PicProgrammerSettings::save( KConfig * config )
 	ProgrammerConfigMap::iterator end = m_customConfigs.end();
 	for ( ProgrammerConfigMap::iterator it = m_customConfigs.begin(); it != end; ++it )
 	{
-		config->setGroup( TQString("CustomProgrammer_%1").tqarg(at++) );
+		config->setGroup( TQString("CustomProgrammer_%1").arg(at++) );
 		
 		config->writeEntry( "Name", it.key() );
 		config->writeEntry( "InitCommand", it.data().initCommand );
diff --git a/src/languages/processchain.cpp b/src/languages/processchain.cpp
index 6f5c95a..00edbb8 100644
--- a/src/languages/processchain.cpp
+++ b/src/languages/processchain.cpp
@@ -56,7 +56,7 @@ ProcessChain::ProcessChain( ProcessOptions options, KTechlab * ktechlab, const c
 	else
 		target = options.targetFile();
 	
-	LanguageManager::self()->logView()->addOutput( i18n("Building: %1").tqarg( target ), LogView::ot_important );
+	LanguageManager::self()->logView()->addOutput( i18n("Building: %1").arg( target ), LogView::ot_important );
 	TQTimer::singleShot( 0, this, TQT_SLOT(compile()) );
 }
 
diff --git a/src/languages/sdcc.cpp b/src/languages/sdcc.cpp
index ea1845d..96cf54c 100644
--- a/src/languages/sdcc.cpp
+++ b/src/languages/sdcc.cpp
@@ -40,7 +40,7 @@ void SDCC::processInput( ProcessOptions options )
 	MicroInfo * info = MicroLibrary::self()->microInfoWithID( options.m_picID );
 	if (!info)
 	{
-		outputError( i18n("Could not find PIC with ID \"%1\".").tqarg(options.m_picID) );
+		outputError( i18n("Could not find PIC with ID \"%1\".").arg(options.m_picID) );
 		return;
 	}
 	
@@ -50,7 +50,7 @@ void SDCC::processInput( ProcessOptions options )
 	
 	
 	//BEGIN Pass custom sdcc options
-#define ARG(text,option) if ( KTLConfig::text() ) *m_languageProcess << ( TQString("--%1").tqarg(option) );
+#define ARG(text,option) if ( KTLConfig::text() ) *m_languageProcess << ( TQString("--%1").arg(option) );
 	// General
 	ARG( sDCC_nostdlib,				"nostdlib" )
 	ARG( sDCC_nostdinc,				"nostdinc" )
diff --git a/src/mechanics/mechanicsgroup.cpp b/src/mechanics/mechanicsgroup.cpp
index 900eb92..2c577c8 100644
--- a/src/mechanics/mechanicsgroup.cpp
+++ b/src/mechanics/mechanicsgroup.cpp
@@ -71,9 +71,9 @@ void MechanicsGroup::removeChildren( Item *item )
 	if (!item)
 		return;
 	
-	const ItemList tqchildren = item->tqchildren();
-	const ItemList::const_iterator end = tqchildren.end();
-	for ( ItemList::const_iterator it = tqchildren.begin(); it != end; ++it )
+	const ItemList children = item->children();
+	const ItemList::const_iterator end = children.end();
+	for ( ItemList::const_iterator it = children.begin(); it != end; ++it )
 	{
 		removeChildren(*it);
 		removeItem(*it);
diff --git a/src/mechanics/mechanicsgroup.h b/src/mechanics/mechanicsgroup.h
index 0908d66..1ea2dc5 100644
--- a/src/mechanics/mechanicsgroup.h
+++ b/src/mechanics/mechanicsgroup.h
@@ -42,7 +42,7 @@ public:
 	 */
 	void setRaised( bool isRaised );
 	/**
-	 * Removes all the tqchildren of the given item from the group
+	 * Removes all the children of the given item from the group
 	 */
 	void removeChildren( Item *item );
 	bool addItem( Item *item );
diff --git a/src/mechanics/mechanicsitem.cpp b/src/mechanics/mechanicsitem.cpp
index 96c4adf..81340b4 100644
--- a/src/mechanics/mechanicsitem.cpp
+++ b/src/mechanics/mechanicsitem.cpp
@@ -206,8 +206,8 @@ void MechanicsItem::updateMechanicsInfoCombined()
 	double mass_x = 0.;
 	double mass_y = 0.;
 	
-	const ItemList::const_iterator end = m_tqchildren.end();
-	for ( ItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	const ItemList::const_iterator end = m_children.end();
+	for ( ItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		MechanicsItem *child = dynamic_cast<MechanicsItem*>((Item*)*it);
 		if (child)
diff --git a/src/mechanics/mechanicsitem.h b/src/mechanics/mechanicsitem.h
index 3c8f7a1..712ff3c 100644
--- a/src/mechanics/mechanicsitem.h
+++ b/src/mechanics/mechanicsitem.h
@@ -158,12 +158,12 @@ public:
 	PositionInfo relativePosition() const { return m_relativePosition; }
 	/**
 	 * Returns the mechanics info for this item (so not taking into account that
-	 * of attached tqchildren)
+	 * of attached children)
 	 */
 	MechanicsInfo *mechanicsInfo() { return &m_mechanicsInfo; }
 	/**
 	 * Returns the combined mechanics info for this item (which takes into
-	 * account that of attached tqchildren).
+	 * account that of attached children).
 	 */
 	CombinedMechanicsInfo *mechanicsInfoCombined() { return &m_mechanicsInfoCombined; }
 	/**
diff --git a/src/node.cpp b/src/node.cpp
index be2e04b..6155c06 100644
--- a/src/node.cpp
+++ b/src/node.cpp
@@ -83,7 +83,7 @@ void Node::setVisible( bool yes )
 	if ( isVisible() == yes )
 		return;
 	
-	TQCanvasPolygon::tqsetVisible(yes);
+	TQCanvasPolygon::setVisible(yes);
 	
 	const ConnectorList::iterator inputEnd = m_inputConnectorList.end();
 	for ( ConnectorList::iterator it = m_inputConnectorList.begin(); it != inputEnd; ++it )
diff --git a/src/node.h b/src/node.h
index f5e5f0b..271fdf1 100644
--- a/src/node.h
+++ b/src/node.h
@@ -177,7 +177,7 @@ public:
 	
 	void removeNullConnectors();
 	/**
-	 * Draw tqshape. Note that this has to remain public.
+	 * Draw shape. Note that this has to remain public.
 	 */
 	virtual void drawShape( TQPainter &p ) = 0;
 	
diff --git a/src/picitem.cpp b/src/picitem.cpp
index 20a2f4e..c60fd5d 100644
--- a/src/picitem.cpp
+++ b/src/picitem.cpp
@@ -377,10 +377,10 @@ void PicItem::updateVisibility()
 	
 	const PinItemList::iterator end = m_pinItemList.end();
 	for ( PinItemList::iterator it = m_pinItemList.begin(); it != end; ++it )
-		(*it)->tqsetVisible(m_bExpanded);
+		(*it)->setVisible(m_bExpanded);
 	
 	if ( Button * btn = button("settings") )
-		btn->tqsetVisible(m_bExpanded);
+		btn->setVisible(m_bExpanded);
 }
 
 
diff --git a/src/projectmanager.cpp b/src/projectmanager.cpp
index 3a6565c..2bdca82 100644
--- a/src/projectmanager.cpp
+++ b/src/projectmanager.cpp
@@ -192,11 +192,11 @@ ProjectItem::ProjectItem( ProjectItem * parent, Type type, ProjectManager * proj
 
 ProjectItem::~ProjectItem()
 {
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::iterator end = m_tqchildren.end();
-	for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != end; ++it )
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::iterator end = m_children.end();
+	for ( ProjectItemList::iterator it = m_children.begin(); it != end; ++it )
 		(*it)->deleteLater();
-	m_tqchildren.clear();
+	m_children.clear();
 	
 	delete m_pILVItem;
 	m_pILVItem = 0l;
@@ -254,10 +254,10 @@ void ProjectItem::updateILVItemPixmap()
 
 void ProjectItem::addChild( ProjectItem * child )
 {
-	if ( !child || m_tqchildren.contains(child) )
+	if ( !child || m_children.contains(child) )
 		return;
 	
-	m_tqchildren << child;
+	m_children << child;
 	
 	child->setILVItem( m_pILVItem ?
 			new ILVItem( m_pILVItem, child->name() ) :
@@ -283,9 +283,9 @@ void ProjectItem::updateControlChildMicroIDs()
 			break;
 	}
 	
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::iterator end = m_tqchildren.end();
-	for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != end; ++it )
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::iterator end = m_children.end();
+	for ( ProjectItemList::iterator it = m_children.begin(); it != end; ++it )
 		(*it)->setUseParentMicroID( control );
 }
 
@@ -420,7 +420,7 @@ bool ProjectItem::build( ProcessOptionsList * pol )
 	
 	if ( outputURL().isEmpty() )
 	{
-		KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (output url is empty).").tqarg(name()) );
+		KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (output url is empty).").arg(name()) );
 		return false;
 	}
 	
@@ -431,7 +431,7 @@ bool ProjectItem::build( ProcessOptionsList * pol )
 		ProjectItem * lib = projectInfo->findItem( projectInfo->directory() + *it );
 		if ( !lib )
 		{
-			KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (library does not exist in project).").tqarg(*it) );
+			KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (library does not exist in project).").arg(*it) );
 			return false;
 		}
 		
@@ -440,10 +440,10 @@ bool ProjectItem::build( ProcessOptionsList * pol )
 	}
 	
 	
-	// Build all tqchildren
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::iterator cend = m_tqchildren.end();
-	for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != cend; ++it )
+	// Build all children
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::iterator cend = m_children.end();
+	for ( ProjectItemList::iterator it = m_children.begin(); it != cend; ++it )
 	{
 		if ( ! (*it)->build(pol) )
 			return false;
@@ -461,7 +461,7 @@ bool ProjectItem::build( ProcessOptionsList * pol )
 	switch ( outputType() )
 	{
 		case UnknownOutput:
-			KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (unknown output type).").tqarg(name()) );
+			KMessageBox::sorry( 0l, i18n("Don't know how to build \"%1\" (unknown output type).").arg(name()) );
 			return false;
 			
 		case ProgramOutput:
@@ -494,9 +494,9 @@ bool ProjectItem::build( ProcessOptionsList * pol )
 			TQStringList inputFiles;
 			
 			// Link child objects
-			m_tqchildren.remove( (ProjectItem*)0l );
-			ProjectItemList::iterator cend = m_tqchildren.end();
-			for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != cend; ++it )
+			m_children.remove( (ProjectItem*)0l );
+			ProjectItemList::iterator cend = m_children.end();
+			for ( ProjectItemList::iterator it = m_children.begin(); it != cend; ++it )
 				inputFiles << (*it)->outputURL().path();
 			
 			po.setInputFiles(inputFiles);
@@ -565,8 +565,8 @@ TQDomElement ProjectItem::toDomElement( TQDomDocument & doc, const KURL & baseUR
 	node.appendChild( ProcessingOptions::toDomElement( doc, baseURL ) );
 	
 	
-	ProjectItemList::const_iterator end = m_tqchildren.end();
-	for ( ProjectItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	ProjectItemList::const_iterator end = m_children.end();
+	for ( ProjectItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if (*it)
 			node.appendChild( (*it)->toDomElement( doc, baseURL ) );
@@ -580,8 +580,8 @@ KURL::List ProjectItem::childOutputURLs( unsigned types, unsigned outputTypes )
 {
 	KURL::List urls;
 	
-	ProjectItemList::const_iterator end = m_tqchildren.end();
-	for ( ProjectItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	ProjectItemList::const_iterator end = m_children.end();
+	for ( ProjectItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if (!*it)
 			continue;
@@ -601,8 +601,8 @@ ProjectItem * ProjectItem::findItem( const KURL & url )
 	if ( this->url() == url )
 		return this;
 	
-	ProjectItemList::const_iterator end = m_tqchildren.end();
-	for ( ProjectItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	ProjectItemList::const_iterator end = m_children.end();
+	for ( ProjectItemList::const_iterator it = m_children.begin(); it != end; ++it )
 	{
 		if (!*it)
 			continue;
@@ -622,9 +622,9 @@ bool ProjectItem::closeOpenFiles()
 	if ( doc && !doc->fileClose() )
 		return false;
 	
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::iterator end = m_tqchildren.end();
-	for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != end; ++it )
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::iterator end = m_children.end();
+	for ( ProjectItemList::iterator it = m_children.begin(); it != end; ++it )
 	{
 		if ( !(*it)->closeOpenFiles() )
 			return false;
@@ -668,9 +668,9 @@ void ProjectItem::addFile( const KURL & url )
 	if ( url.isEmpty() )
 		return;
 	
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::iterator end = m_tqchildren.end();
-	for ( ProjectItemList::iterator it = m_tqchildren.begin(); it != end; ++it )
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::iterator end = m_children.end();
+	for ( ProjectItemList::iterator it = m_children.begin(); it != end; ++it )
 	{
 		if ( (*it)->type() == FileType && (*it)->url() == url )
 			return;
@@ -788,7 +788,7 @@ bool ProjectInfo::open( const KURL & url )
 	TQFile file(target);
 	if ( !file.open( IO_ReadOnly ) )
 	{
-		KMessageBox::sorry( 0l, i18n("Could not open %1 for reading").tqarg(target) );
+		KMessageBox::sorry( 0l, i18n("Could not open %1 for reading").arg(target) );
 		return false;
 	}
 	
@@ -805,7 +805,7 @@ bool ProjectInfo::open( const KURL & url )
 	TQString errorMessage;
 	if ( !doc.setContent( xml, &errorMessage ) )
 	{
-		KMessageBox::sorry( 0l, i18n("Couldn't parse xml:\n%1").tqarg(errorMessage) );
+		KMessageBox::sorry( 0l, i18n("Couldn't parse xml:\n%1").arg(errorMessage) );
 		return false;
 	}
 	
@@ -845,7 +845,7 @@ bool ProjectInfo::save()
 	TQFile file( m_url.path() );
 	if ( file.open(IO_WriteOnly) == false )
 	{
-		KMessageBox::sorry( NULL, i18n("Project could not be saved to \"%1\"").tqarg(m_url.path()), i18n("Saving Project") );
+		KMessageBox::sorry( NULL, i18n("Project could not be saved to \"%1\"").arg(m_url.path()), i18n("Saving Project") );
 		return false;
 	}
 	
@@ -857,9 +857,9 @@ bool ProjectInfo::save()
 // 	root.appendChild( LinkerOptions::toDomElement(doc) );
 // 	root.appendChild( ProcessingOptions::toDomElement(doc) );
 	
-	m_tqchildren.remove( (ProjectItem*)0l );
-	ProjectItemList::const_iterator end = m_tqchildren.end();
-	for ( ProjectItemList::const_iterator it = m_tqchildren.begin(); it != end; ++it )
+	m_children.remove( (ProjectItem*)0l );
+	ProjectItemList::const_iterator end = m_children.end();
+	for ( ProjectItemList::const_iterator it = m_children.begin(); it != end; ++it )
 		root.appendChild( (*it)->toDomElement( doc, m_url ) );
 	
 	TQTextStream stream(&file);
@@ -1130,7 +1130,7 @@ void ProjectManager::slotRemoveSelected()
 	if ( !currentItem )
 		return;
 	
-	int choice = KMessageBox::questionYesNo( this, i18n("Do you really want to remove \"%1\"?").tqarg( currentItem->text(0) ), i18n("Remove Project File?"), KGuiItem(i18n("Remove")), KGuiItem(i18n("Cancel")) );
+	int choice = KMessageBox::questionYesNo( this, i18n("Do you really want to remove \"%1\"?").arg( currentItem->text(0) ), i18n("Remove Project File?"), KGuiItem(i18n("Remove")), KGuiItem(i18n("Cancel")) );
 	
 	if ( choice == KMessageBox::No )
 		return;
diff --git a/src/projectmanager.h b/src/projectmanager.h
index 33d239b..54f873f 100644
--- a/src/projectmanager.h
+++ b/src/projectmanager.h
@@ -160,11 +160,11 @@ class ProjectItem : public TQObject, public LinkerOptions, public ProcessingOpti
 		void setILVItem( ILVItem * ilvItem );
 		
 		/**
-		 * Adds the child to the list of tqchildren, and creates an ILVItem for it
+		 * Adds the child to the list of children, and creates an ILVItem for it
 		 * in the project tree view.
 		 */
 		void addChild( ProjectItem * child );
-		ProjectItemList tqchildren() const { return m_tqchildren; }
+		ProjectItemList children() const { return m_children; }
 		
 		void setName( const TQString & name );
 		TQString name() const { return m_name; }
@@ -180,12 +180,12 @@ class ProjectItem : public TQObject, public LinkerOptions, public ProcessingOpti
 		OutputType outputType() const;
 		
 		/**
-		 * Returns a list of output urls of the tqchildren and their recursively
-		 * contained tqchildren (does not include the url for this project item).
+		 * Returns a list of output urls of the children and their recursively
+		 * contained children (does not include the url for this project item).
 		 * @param types An OR'ed list of ProjectItem::Type values for the
-		 * tqchildren.
+		 * children.
 		 * @param outputTypes An OR'ed list of ProjectItem::OutputType values
-		 * for the tqchildren.
+		 * for the children.
 		 */
 		KURL::List childOutputURLs( unsigned types = AllTypes, unsigned outputTypes = AllOutputs ) const;
 		
@@ -210,7 +210,7 @@ class ProjectItem : public TQObject, public LinkerOptions, public ProcessingOpti
 		virtual TQString microID() const;
 		
 		/**
-		 * Searches this item and the tqchildren for an item for the given url,
+		 * Searches this item and the children for an item for the given url,
 		 * return null if no such item could be found.
 		 */
 		ProjectItem * findItem( const KURL & url );
@@ -222,7 +222,7 @@ class ProjectItem : public TQObject, public LinkerOptions, public ProcessingOpti
 		
 		KURL m_url;
 		TQString m_name;
-		ProjectItemList m_tqchildren;
+		ProjectItemList m_children;
 		Type m_type;
 		
 		KTechlab * p_ktechlab;
diff --git a/src/recentfilesaction.cpp b/src/recentfilesaction.cpp
index deba448..22f0d24 100644
--- a/src/recentfilesaction.cpp
+++ b/src/recentfilesaction.cpp
@@ -86,7 +86,7 @@ void RecentFilesAction::loadEntries()
     // read file list
 	for( unsigned int i = 1 ; i <= m_maxItems ; i++ )
 	{
-		key = TQString( "File%1" ).tqarg( i );
+		key = TQString( "File%1" ).arg( i );
 		value = config->readPathEntry( key );
 
 		if (!value.isNull())
@@ -116,7 +116,7 @@ void RecentFilesAction::saveEntries()
     // write file list
 	for( unsigned int i = 1 ; i <= lst.count() ; i++ )
 	{
-		key = TQString( "File%1" ).tqarg( i );
+		key = TQString( "File%1" ).arg( i );
 		value = lst[ i - 1 ];
 		config->writePathEntry( key, value );
 	}
diff --git a/src/resizeoverlay.cpp b/src/resizeoverlay.cpp
index 4b17794..3082057 100644
--- a/src/resizeoverlay.cpp
+++ b/src/resizeoverlay.cpp
@@ -45,7 +45,7 @@ void ResizeOverlay::showResizeHandles( bool show )
 	const ResizeHandleMap::iterator end = m_resizeHandleMap.end();
 	for ( ResizeHandleMap::iterator it = m_resizeHandleMap.begin(); it != end; ++it )
 	{
-		it.data()->tqsetVisible(b_showResizeHandles && b_visible);
+		it.data()->setVisible(b_showResizeHandles && b_visible);
 	}
 }
 
@@ -56,7 +56,7 @@ void ResizeOverlay::setVisible( bool visible )
 	const ResizeHandleMap::iterator end = m_resizeHandleMap.end();
 	for ( ResizeHandleMap::iterator it = m_resizeHandleMap.begin(); it != end; ++it )
 	{
-		it.data()->tqsetVisible(b_showResizeHandles && b_visible);
+		it.data()->setVisible(b_showResizeHandles && b_visible);
 	}
 }
 
@@ -345,8 +345,8 @@ TQRect RectangularOverlay::getSizeRect( bool *ok, bool *widthOk, bool *heightOk
 					int(m_tl->y() - p_item->y()),
 					width, height );
 	
-	*widthOk = sizeRect.width() >= p_item->tqminimumSize().width();
-	*heightOk = sizeRect.height() >= p_item->tqminimumSize().height();
+	*widthOk = sizeRect.width() >= p_item->minimumSize().width();
+	*heightOk = sizeRect.height() >= p_item->minimumSize().height();
 	*ok = *widthOk && *heightOk;
 	
 	return sizeRect;
diff --git a/src/textdocument.cpp b/src/textdocument.cpp
index 77cfb30..53d98e4 100644
--- a/src/textdocument.cpp
+++ b/src/textdocument.cpp
@@ -603,9 +603,9 @@ void TextDocument::slotUpdateMarksInfo()
 	{
 		if ( mark->type & Bookmark )
 		{
-			KAction * a = new KAction( i18n("%1 - %2").tqarg( TQString::number( mark->line+1 ) ).tqarg( m_doc->textLine(mark->line) ),
+			KAction * a = new KAction( i18n("%1 - %2").arg( TQString::number( mark->line+1 ) ).arg( m_doc->textLine(mark->line) ),
 									   0, this, TQT_SLOT(slotBookmarkRequested()), this,
-									   TQString("bookmark_%1").tqarg(TQString::number(mark->line).ascii()) );
+									   TQString("bookmark_%1").arg(TQString::number(mark->line).ascii()) );
 			m_bookmarkActions.append(a);
 		}
 	}
diff --git a/src/textview.cpp b/src/textview.cpp
index fd456bc..e5c4648 100644
--- a/src/textview.cpp
+++ b/src/textview.cpp
@@ -262,7 +262,7 @@ void TextView::slotCursorPositionChanged()
 	uint line, column;
 	m_view->cursorPosition( &line, &column );
 	
-	m_statusBar->changeItem( i18n(" Line: %1 Col: %2 ").tqarg(TQString::number(line+1)).tqarg(TQString::number(column+1)), ViewStatusBar::LineCol );
+	m_statusBar->changeItem( i18n(" Line: %1 Col: %2 ").arg(TQString::number(line+1)).arg(TQString::number(column+1)), ViewStatusBar::LineCol );
 	
 	slotUpdateMarksInfo();
 }
@@ -369,7 +369,7 @@ void TextView::slotWordUnhovered()
 //BEGIN class TextViewEventFilter
 TextViewEventFilter::TextViewEventFilter( TextView * textView )
 {
-	m_hovertqStatus = Sleeping;
+	m_hoverStatus = Sleeping;
 	m_pTextView = textView;
 	m_lastLine = m_lastCol = -1;
 	
@@ -410,14 +410,14 @@ bool TextViewEventFilter::eventFilter( TQObject *, TQEvent * e )
 void TextViewEventFilter::hoverTimeout()
 {
 	m_pSleepTimer->stop();
-	m_hovertqStatus = Active;
+	m_hoverStatus = Active;
 	emit wordHoveredOver( m_lastWord, m_lastLine, m_lastCol );
 }
 
 
 void TextViewEventFilter::gotoSleep()
 {
-	m_hovertqStatus = Sleeping;
+	m_hoverStatus = Sleeping;
 	m_lastWord = TQString();
 	emit wordUnhovered();
 	m_pHoverTimer->stop();
@@ -441,8 +441,8 @@ void TextViewEventFilter::updateHovering( const TQString & currentWord, int line
 	
 	if ( currentWord.isEmpty() )
 	{
-		if ( m_hovertqStatus == Active )
-			m_hovertqStatus = Hidden;
+		if ( m_hoverStatus == Active )
+			m_hoverStatus = Hidden;
 		
 		emit wordUnhovered();
 		if ( !m_pSleepTimer->isActive() )
@@ -451,7 +451,7 @@ void TextViewEventFilter::updateHovering( const TQString & currentWord, int line
 		return;
 	}
 	
-	if ( m_hovertqStatus != Sleeping )
+	if ( m_hoverStatus != Sleeping )
 		emit wordHoveredOver( currentWord, line, col );
 	else
 		m_pHoverTimer->start( 700, true );
diff --git a/src/textview.h b/src/textview.h
index 604b52b..0523750 100644
--- a/src/textview.h
+++ b/src/textview.h
@@ -141,7 +141,7 @@ class TextViewEventFilter : public TQObject
 		void slotNoWordTimeout();
 		
 	protected:
-		enum HovertqStatus
+		enum HoverStatus
 		{
 			/**
 			 * We are currently hovering - wordHoveredOver was emitted, and
@@ -186,7 +186,7 @@ class TextViewEventFilter : public TQObject
 		TQString m_lastWord;
 		int m_lastLine;
 		int m_lastCol;
-		HovertqStatus m_hovertqStatus;
+		HoverStatus m_hoverStatus;
 };
 
 #endif
diff --git a/src/variablelabel.cpp b/src/variablelabel.cpp
index 4601804..0d0472c 100644
--- a/src/variablelabel.cpp
+++ b/src/variablelabel.cpp
@@ -27,7 +27,7 @@ VariableLabel::VariableLabel( TextView * parent )
 	setAutoMask( FALSE );
 	setFrameStyle( TQFrame::Plain | TQFrame::Box );
 	setLineWidth( 1 );
-	tqsetAlignment( AlignAuto | AlignTop );
+	setAlignment( AlignAuto | AlignTop );
 	setIndent(0);
 	polish();
 	adjustSize();
@@ -77,7 +77,7 @@ void VariableLabel::setValue( unsigned value )
 void VariableLabel::updateText()
 {
 	if ( m_pRegisterInfo )
-		setText( TQString("%1 = %2").tqarg( m_registerName ).tqarg( SymbolViewer::self()->toDisplayString( m_pRegisterInfo->value() ) ) );
+		setText( TQString("%1 = %2").arg( m_registerName ).arg( SymbolViewer::self()->toDisplayString( m_pRegisterInfo->value() ) ) );
 	
 	else if ( m_value != -1 )
 		setText( TQString::number( m_value ) );
diff --git a/src/view.cpp b/src/view.cpp
index a5d2c20..2b03246 100644
--- a/src/view.cpp
+++ b/src/view.cpp
@@ -49,9 +49,9 @@ class KVSSBSep : public TQWidget {
 		void paintEvent( TQPaintEvent *e )
 		{
 			TQPainter p( this );
-			p.setPen( tqcolorGroup().shadow() );
+			p.setPen( colorGroup().shadow() );
 			p.drawLine( e->rect().left(), 0, e->rect().right(), 0 );
-			p.setPen( ((View*)parentWidget())->isFocused() ? tqcolorGroup().light() : tqcolorGroup().midlight() );
+			p.setPen( ((View*)parentWidget())->isFocused() ? colorGroup().light() : colorGroup().midlight() );
 			p.drawLine( e->rect().left(), 1, e->rect().right(), 1 );
 		}
 };
diff --git a/src/viewcontainer.cpp b/src/viewcontainer.cpp
index 35635d2..c1cb36c 100644
--- a/src/viewcontainer.cpp
+++ b/src/viewcontainer.cpp
@@ -29,11 +29,11 @@ ViewContainer::ViewContainer( const TQString & caption, KTechlab * ktechlab, TQW
 	if (ktechlab)
 		connect( ktechlab, TQT_SIGNAL(needUpdateCaptions()), this, TQT_SLOT(updateCaption()) );
 	
-	TQHBoxLayout *tqlayout = new TQHBoxLayout(this);
+	TQHBoxLayout *layout = new TQHBoxLayout(this);
 	m_baseViewArea = new ViewArea( this, this, 0, "viewarea_0" );
 	connect( m_baseViewArea, TQT_SIGNAL(destroyed(TQObject* )), this, TQT_SLOT(baseViewAreaDestroyed(TQObject* )) );
 	
-	tqlayout->addWidget(m_baseViewArea);
+	layout->addWidget(m_baseViewArea);
 	
 	m_activeViewArea = 0;
 	b_focused = false;
diff --git a/src/viewcontainer.h b/src/viewcontainer.h
index 50458b6..94a71e6 100644
--- a/src/viewcontainer.h
+++ b/src/viewcontainer.h
@@ -68,7 +68,7 @@ public:
 	 */
 	ViewArea *createViewArea( Position position, uint id );
 	/**
-	 * Adds the given View to the main part of the tqlayout
+	 * Adds the given View to the main part of the layout
 	 */
 	void setView( View *view );
 	/**
@@ -82,7 +82,7 @@ public:
 	void restoreState( KConfig *config, int id, const TQString &groupName );
 	/**
 	 * Returns true if this ViewArea can save useful information as to its state
-	 * (i.e. it's tqchildren can save useful information about their state, or has
+	 * (i.e. it's children can save useful information about their state, or has
 	 * a view with a url in it)
 	 */
 	bool canSaveUsefulStateInfo() const;
@@ -197,7 +197,7 @@ public:
 	 */
 	void setIdUsed( int id );
 	/**
-	 * Writes the state of the View Container (tqlayout of views and view URLs)
+	 * Writes the state of the View Container (layout of views and view URLs)
 	 * to the given KConfig. Doesn't change the group - so preset it if
 	 * needed!
 	 */
@@ -218,7 +218,7 @@ public:
 	int uniqueNewId();
 	/**
 	 * Returns true if this ViewArea can save useful information as to its state
-	 * (i.e. it's tqchildren can save useful information about their state, or has
+	 * (i.e. it's children can save useful information about their state, or has
 	 * a view with a url in it)
 	 */
 	bool canSaveUsefulStateInfo() const;