TQt4 port kdeedu

This enables compilation under both Qt3 and Qt4


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1236073 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

30 files changed, 216 insertions, 203 deletions

diff --git a/kbruch/src/exercisebase.cpp b/kbruch/src/exercisebase.cpp
index 649bb6c8..f7be0fdc 100644
--- a/kbruch/src/exercisebase.cpp
+++ b/kbruch/src/exercisebase.cpp
@@ -25,8 +25,8 @@
 /* ----- public member functions ----- */
 
 /* constructor */
-ExerciseBase::ExerciseBase(TQWidget * parent, const char * name):
-		TQWidget(parent, name)
+ExerciseBase::ExerciseBase(TQWidget * tqparent, const char * name):
+		TQWidget(tqparent, name)
 {
 #ifdef DEBUG
 	kdDebug() << "constructor ExerciseBase()" << endl;
diff --git a/kbruch/src/exercisebase.h b/kbruch/src/exercisebase.h
index 87fe03b5..cd0428d9 100644
--- a/kbruch/src/exercisebase.h
+++ b/kbruch/src/exercisebase.h
@@ -33,13 +33,14 @@
  *
  *  \author Sebastian Stein
  * */
-class ExerciseBase : public QWidget
+class ExerciseBase : public TQWidget
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	ExerciseBase(TQWidget * parent = 0, const char * name = 0);
+	ExerciseBase(TQWidget * tqparent = 0, const char * name = 0);
 
 	/** destructor */
 	~ExerciseBase();
diff --git a/kbruch/src/exercisecompare.cpp b/kbruch/src/exercisecompare.cpp
index f6652e56..295698fb 100644
--- a/kbruch/src/exercisecompare.cpp
+++ b/kbruch/src/exercisecompare.cpp
@@ -22,7 +22,7 @@
 #include <kapplication.h>
 #include <klocale.h>
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <tqlabel.h>
 #include <tqlayout.h>
 #include <tqpushbutton.h>
@@ -35,8 +35,8 @@
 /* ----- public member functions ----- */
 
 /* constructor */
-ExerciseCompare::ExerciseCompare(TQWidget * parent, const char * name):
-		ExerciseBase(parent, name)
+ExerciseCompare::ExerciseCompare(TQWidget * tqparent, const char * name):
+		ExerciseBase(tqparent, name)
 {
 #ifdef DEBUG
 	kdDebug() << "constructor ExerciseCompare()" << endl;
@@ -123,13 +123,13 @@ ExerciseCompare::ExerciseCompare(TQWidget * parent, const char * name):
 	m_checkButton->setText(i18n("&Check Task"));
 	m_checkButton->setDefault(true); // is the default button of the dialog
 	TQToolTip::add(m_checkButton, i18n("Click on this button to check your result."));
-	lowerHBox->addWidget(m_checkButton, 1, Qt::AlignRight);
+	lowerHBox->addWidget(m_checkButton, 1, TQt::AlignRight);
 	TQObject::connect(m_checkButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotCheckButtonClicked()));
 
 	// that the user can start typing without moving the focus
 	m_signButton->setFocus();
 
-	// show the whole layout
+	// show the whole tqlayout
 	baseWidget->show();
 
 	// add tooltip and qwhatsthis help to the widget
@@ -144,7 +144,7 @@ ExerciseCompare::~ExerciseCompare()
 	kdDebug() << "destructor ExerciseCompare()" << endl;
 #endif
 
-	/* no need to delete any child widgets, Qt does it by itself */
+	/* no need to delete any child widgets, TQt does it by itself */
 }
 
 /** resets the current state, creates a new task and count the last task as
@@ -300,10 +300,10 @@ void ExerciseCompare::slotCheckButtonClicked()
 void ExerciseCompare::slotSignButtonClicked()
 {
 	// in RTL desktops, we still need to allign the
-	// execise to the left. On Qt4, you can set the direction
-	// of the layout to LTR (instead of inherit), but on Qt3
+	// execise to the left. On TQt4, you can set the direction
+	// of the tqlayout to LTR (instead of inherit), but on TQt3
 	// the only way of fixing it is inserting the widgets in reversed
-	// order to the layout.
+	// order to the tqlayout.
 	// 
 	// But... as an ugly hack, we can also display the "other" operation
 	// thats damm ugly, but will work as well :)
diff --git a/kbruch/src/exercisecompare.h b/kbruch/src/exercisecompare.h
index 6ae8a4e5..bb944a8c 100644
--- a/kbruch/src/exercisecompare.h
+++ b/kbruch/src/exercisecompare.h
@@ -45,10 +45,11 @@ class TQVBoxLayout;
 class ExerciseCompare : public ExerciseBase
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	ExerciseCompare(TQWidget * parent = 0, const char * name = 0);
+	ExerciseCompare(TQWidget * tqparent = 0, const char * name = 0);
 
 	/** destructor */
 	~ExerciseCompare();
diff --git a/kbruch/src/exerciseconvert.cpp b/kbruch/src/exerciseconvert.cpp
index 967c960d..6112db90 100644
--- a/kbruch/src/exerciseconvert.cpp
+++ b/kbruch/src/exerciseconvert.cpp
@@ -24,7 +24,7 @@
 #include <kmessagebox.h>
 #include <knumvalidator.h>
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <tqlabel.h>
 #include <tqlayout.h>
 #include <tqlineedit.h>
@@ -41,8 +41,8 @@
 /* ----- public member functions ----- */
 
 /* constructor */
-ExerciseConvert::ExerciseConvert(TQWidget * parent, const char * name):
-		ExerciseBase(parent, name)
+ExerciseConvert::ExerciseConvert(TQWidget * tqparent, const char * name):
+		ExerciseBase(tqparent, name)
 {
 #ifdef DEBUG
 	kdDebug() << "constructor ExerciseConvert()" << endl;
@@ -119,10 +119,10 @@ ExerciseConvert::ExerciseConvert(TQWidget * parent, const char * name):
 	// --- that is the end of the horizontal line ---
 
 	// in RTL desktops, we still need to allign the
-	// execise to the left. On Qt4, you can set the direction
-	// of the layout to LTR (instead of inherit), but on Qt3
+	// execise to the left. On TQt4, you can set the direction
+	// of the tqlayout to LTR (instead of inherit), but on TQt3
 	// the only way of fixing it is inserting the widgets in reversed
-	// order to the layout.
+	// order to the tqlayout.
 	//
 	// if you need help with this feel free to contact me - Diego <elcuco@kde.org> )
 	// This should fix parts of bug #116831
@@ -157,13 +157,13 @@ ExerciseConvert::ExerciseConvert(TQWidget * parent, const char * name):
 	m_checkButton->setText(i18n("&Check Task"));
 	m_checkButton->setDefault(true); // is the default button of the dialog
 	TQToolTip::add(m_checkButton, i18n("Click on this button to check your result. The button will not work if you have not entered a result yet."));
-	lowerHBox->addWidget(m_checkButton, 1, Qt::AlignRight);
+	lowerHBox->addWidget(m_checkButton, 1, TQt::AlignRight);
 	TQObject::connect(m_checkButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotCheckButtonClicked()));
 
 	// that the user can start typing without moving the focus
 	numer_edit->setFocus();
 
-	// show the whole layout
+	// show the whole tqlayout
 	baseWidget->show();
 
 	// add tooltip and qwhatsthis help to the widget
@@ -178,7 +178,7 @@ ExerciseConvert::~ExerciseConvert()
 	kdDebug() << "destructor ExerciseConvert()" << endl;
 #endif
 
-	/* no need to delete any child widgets, Qt does it by itself */
+	/* no need to delete any child widgets, TQt does it by itself */
 }
 
 /** resets the current state, creates a new task and count the last task as
diff --git a/kbruch/src/exerciseconvert.h b/kbruch/src/exerciseconvert.h
index fcd733ec..9d7413cd 100644
--- a/kbruch/src/exerciseconvert.h
+++ b/kbruch/src/exerciseconvert.h
@@ -43,10 +43,11 @@ class TQVBoxLayout;
 class ExerciseConvert : public ExerciseBase
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	ExerciseConvert(TQWidget * parent = 0, const char * name = 0);
+	ExerciseConvert(TQWidget * tqparent = 0, const char * name = 0);
 
 	/** destructor */
 	~ExerciseConvert();
diff --git a/kbruch/src/exercisefactorize.cpp b/kbruch/src/exercisefactorize.cpp
index 3a2d64dd..30c09de7 100644
--- a/kbruch/src/exercisefactorize.cpp
+++ b/kbruch/src/exercisefactorize.cpp
@@ -24,7 +24,7 @@
 #include <kmessagebox.h>
 #include <knumvalidator.h>
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <tqlabel.h>
 #include <tqlayout.h>
 #include <tqlineedit.h>
@@ -44,8 +44,8 @@
 /* ----- public member functions ----- */
 
 /* constructor */
-ExerciseFactorize::ExerciseFactorize(TQWidget * parent, const char * name):
-		ExerciseBase(parent, name)
+ExerciseFactorize::ExerciseFactorize(TQWidget * tqparent, const char * name):
+		ExerciseBase(tqparent, name)
 {
 	TQPalette pal;
 	TQColorGroup cg;
@@ -64,40 +64,40 @@ ExerciseFactorize::ExerciseFactorize(TQWidget * parent, const char * name):
 
 	Form1Layout = new TQVBoxLayout( this, 11, 6, "Form1Layout"); 
 
-	layout9 = new TQVBoxLayout( 0, 0, 6, "layout9"); 
+	tqlayout9 = new TQVBoxLayout( 0, 0, 6, "tqlayout9"); 
 	
 	// The following method fix the problem in
 	// bug  #116831, reverse order in RTL desktops.
 	// Amit Ramon amit.ramon@kdemail.net
-	layout4 = createFactorsLayout();
-	layout9->addLayout(layout4);
+	tqlayout4 = createFactorsLayout();
+	tqlayout9->addLayout(tqlayout4);
 	
 	spacer2 = new TQSpacerItem( 20, 21, TQSizePolicy::Minimum, TQSizePolicy::Expanding );
-	layout9->addItem( spacer2 );
+	tqlayout9->addItem( spacer2 );
 	
-	layout2 = new TQVBoxLayout( 0, 0, 6, "layout2"); 
+	tqlayout2 = new TQVBoxLayout( 0, 0, 6, "tqlayout2"); 
 	
 	// The following method fix the problem in
 	// bug  #116831, reverse order in RTL desktops.
 	// Amit Ramon amit.ramon@kdemail.net
-	layout1 = createButtonsLayout();
-	layout2->addLayout(layout1);
+	tqlayout1 = createButtonsLayout();
+	tqlayout2->addLayout(tqlayout1);
 
 	m_removeLastFactorButton = new TQPushButton( this, "m_removeLastFactorButton" );
-	layout2->addWidget( m_removeLastFactorButton );
-	layout9->addLayout( layout2 );
+	tqlayout2->addWidget( m_removeLastFactorButton );
+	tqlayout9->addLayout( tqlayout2 );
 
 	spacer4 = new TQSpacerItem( 20, 21, TQSizePolicy::Minimum, TQSizePolicy::Expanding );
-	layout9->addItem( spacer4 );
+	tqlayout9->addItem( spacer4 );
 	
-	layout7 = new TQHBoxLayout( 0, 0, 6, "layout7"); 
+	tqlayout7 = new TQHBoxLayout( 0, 0, 6, "tqlayout7"); 
 	spacer3 = new TQSpacerItem( 361, 20, TQSizePolicy::Expanding, TQSizePolicy::Minimum );
-	layout7->addItem( spacer3 );
+	tqlayout7->addItem( spacer3 );
 	
 	m_checkButton = new TQPushButton( this, "m_checkButton" );
-	layout7->addWidget( m_checkButton );
-	layout9->addLayout( layout7 );
-	Form1Layout->addLayout( layout9 );
+	tqlayout7->addWidget( m_checkButton );
+	tqlayout9->addLayout( tqlayout7 );
+	Form1Layout->addLayout( tqlayout9 );
 
 	// the current task
 	TQString tmp_str;
@@ -181,7 +181,7 @@ ExerciseFactorize::~ExerciseFactorize()
 	kdDebug() << "destructor ExerciseFactorize()" << endl;
 #endif
 
-	/* no need to delete any child widgets, Qt does it by itself */
+	/* no need to delete any child widgets, TQt does it by itself */
 }
 
 /** resets the current state, creates a new task and count the last task as
@@ -228,16 +228,16 @@ void ExerciseFactorize::update()
 
 //
 // The following method was added to fix
-// bug #116831 (reverse layout in RTL desktops)
+// bug #116831 (reverse tqlayout in RTL desktops)
 // Amit Ramon amit.ramon@kdemail.net
 //
 
-/** Create the layout that hold the exercise widgets
+/** Create the tqlayout that hold the exercise widgets
  */
 TQHBoxLayout* ExerciseFactorize::createFactorsLayout()
 {
   // first create all widgets
-  TQHBoxLayout* layout = new TQHBoxLayout( 0, 0, 6, "layout4"); 
+  TQHBoxLayout* tqlayout = new TQHBoxLayout( 0, 0, 6, "tqlayout4"); 
   
   m_taskLabel = new TQLabel( this, "m_taskLabel" );
 
@@ -258,46 +258,46 @@ TQHBoxLayout* ExerciseFactorize::createFactorsLayout()
   spacer1 =  new TQSpacerItem( 25, 20, TQSizePolicy::Expanding,
 				    TQSizePolicy::Minimum );
 
-  // now add the widgets to the layout.
+  // now add the widgets to the tqlayout.
   // if we are in a RTL desktop, add them
   // in a reverse order
   if (TQApplication::reverseLayout())
     {
-      layout->addItem( spacer1 );
-      layout->addWidget( result_label );
-      layout->addWidget( m_factorsWidget );
-      layout->addWidget( m_factorsEnteredEdit );
-      layout->addWidget( m_equalSignLabel );
-      layout->addWidget( m_taskLabel );
+      tqlayout->addItem( spacer1 );
+      tqlayout->addWidget( result_label );
+      tqlayout->addWidget( m_factorsWidget );
+      tqlayout->addWidget( m_factorsEnteredEdit );
+      tqlayout->addWidget( m_equalSignLabel );
+      tqlayout->addWidget( m_taskLabel );
     }
   else
     {
-      layout->addWidget( m_taskLabel );
-      layout->addWidget( m_equalSignLabel );
-      layout->addWidget( m_factorsEnteredEdit );
-      layout->addWidget( m_factorsWidget );
-      layout->addWidget( result_label );
-      layout->addItem( spacer1 );
+      tqlayout->addWidget( m_taskLabel );
+      tqlayout->addWidget( m_equalSignLabel );
+      tqlayout->addWidget( m_factorsEnteredEdit );
+      tqlayout->addWidget( m_factorsWidget );
+      tqlayout->addWidget( result_label );
+      tqlayout->addItem( spacer1 );
     }
   
-  return layout;
+  return tqlayout;
 }
 
 
 //
 // The following method was added to fix
-// bug #116831 (reverse layout in RTL desktops)
+// bug #116831 (reverse tqlayout in RTL desktops)
 // Amit Ramon amit.ramon@kdemail.net
 //
 
-/** Create the layout that hold the exercise widgets
+/** Create the tqlayout that hold the exercise widgets
  */
 TQGridLayout* ExerciseFactorize::createButtonsLayout()
 {
   const int _COLS = 4; // number of buttons in each row
   const int _ROWS = 2; // number of rows
 
-  TQGridLayout* layout = new TQGridLayout( 0, 1, 1, 0, 6, "layout1"); 
+  TQGridLayout* tqlayout = new TQGridLayout( 0, 1, 1, 0, 6, "tqlayout1"); 
 	
   // first row buttons
   m_factor2Button = new TQPushButton( this, "m_factor2Button" );
@@ -348,12 +348,12 @@ TQGridLayout* ExerciseFactorize::createButtonsLayout()
       
       for (int col = 0; col < _COLS; col++)
 	{
-	  layout->addWidget(buttons[row][buttonIdx], row, col );
+	  tqlayout->addWidget(buttons[row][buttonIdx], row, col );
 	  buttonIdx += step;
 	}
     }
   
-  return layout;
+  return tqlayout;
 }
 
 
diff --git a/kbruch/src/exercisefactorize.h b/kbruch/src/exercisefactorize.h
index 41a89066..0e36d016 100644
--- a/kbruch/src/exercisefactorize.h
+++ b/kbruch/src/exercisefactorize.h
@@ -60,10 +60,11 @@ const uint possibleTasks[numberPossibleTasks] = {4, 6, 8, 9, 10, 12, 14, 15, 16,
 class ExerciseFactorize : public ExerciseBase
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	ExerciseFactorize(TQWidget * parent = 0, const char * name = 0);
+	ExerciseFactorize(TQWidget * tqparent = 0, const char * name = 0);
 
 	/** destructor */
 	~ExerciseFactorize();
@@ -115,14 +116,14 @@ private:
 
 	//
 	// the following two methods were added to fix
-	// bug #116831 (reverse layout in RTL desktops)
+	// bug #116831 (reverse tqlayout in RTL desktops)
 	// Amit Ramon amit.ramon@kdemail.net
 	//
 
-	/** create the factor widgets layout */
+	/** create the factor widgets tqlayout */
 	TQHBoxLayout* createFactorsLayout();
 
-	/** create the (answer) buttons layout */
+	/** create the (answer) buttons tqlayout */
 	TQGridLayout* createButtonsLayout();
 	
 
@@ -135,14 +136,14 @@ private:
 
 protected:
 	TQVBoxLayout* Form1Layout;
-	TQVBoxLayout* layout9;
+	TQVBoxLayout* tqlayout9;
 	TQSpacerItem* spacer4;
-	TQHBoxLayout* layout4;
+	TQHBoxLayout* tqlayout4;
 	TQSpacerItem* spacer1;
 	TQSpacerItem* spacer2;
-	TQVBoxLayout* layout2;
-	TQGridLayout* layout1;
-	TQHBoxLayout* layout7;
+	TQVBoxLayout* tqlayout2;
+	TQGridLayout* tqlayout1;
+	TQHBoxLayout* tqlayout7;
 	TQSpacerItem* spacer3;
 
 private slots:
diff --git a/kbruch/src/factorizedwidget.cpp b/kbruch/src/factorizedwidget.cpp
index c6501d4e..4a106a0f 100644
--- a/kbruch/src/factorizedwidget.cpp
+++ b/kbruch/src/factorizedwidget.cpp
@@ -18,11 +18,11 @@
 #include "factorizedwidget.h"
 #include "factorizedwidget.moc"
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <tqpainter.h>
 
-FactorizedWidget::FactorizedWidget(TQWidget * parent, const char * name, const uintList para_factors) :
-			FractionBaseWidget(parent, name), m_factors(para_factors)
+FactorizedWidget::FactorizedWidget(TQWidget * tqparent, const char * name, const uintList para_factors) :
+			FractionBaseWidget(tqparent, name), m_factors(para_factors)
 {
 #ifdef DEBUG
 	kdDebug() << "constructor FactorizedWidget" << endl;
@@ -57,7 +57,7 @@ void FactorizedWidget::paintEvent(TQPaintEvent* /* p_paintEvent */)
 	paint.setFont(m_font);
 
 	// set the pen for painting
-	TQPen pen(Qt::SolidLine);
+	TQPen pen(TQt::SolidLine);
 	pen.setWidth(0);
 	paint.setPen(pen);
 
diff --git a/kbruch/src/factorizedwidget.h b/kbruch/src/factorizedwidget.h
index 0ed79511..6c9f7bdf 100644
--- a/kbruch/src/factorizedwidget.h
+++ b/kbruch/src/factorizedwidget.h
@@ -35,10 +35,11 @@ typedef TQValueList<uint> uintList;
 class FactorizedWidget : public FractionBaseWidget
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	FactorizedWidget(TQWidget * parent, const char * name, const uintList para_factors);
+	FactorizedWidget(TQWidget * tqparent, const char * name, const uintList para_factors);
 
 	/** destructor */
 	~FactorizedWidget();
diff --git a/kbruch/src/fractionbasewidget.cpp b/kbruch/src/fractionbasewidget.cpp
index 07f60c84..0e1d4d0b 100644
--- a/kbruch/src/fractionbasewidget.cpp
+++ b/kbruch/src/fractionbasewidget.cpp
@@ -21,13 +21,13 @@
 /* these includes are needed for KDE support */
 #include <kglobalsettings.h>
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <tqpainter.h>
 
 #include "settingsclass.h"
 
-FractionBaseWidget::FractionBaseWidget(TQWidget * parent = 0, const char * name = 0) :
-			TQWidget(parent, name)
+FractionBaseWidget::FractionBaseWidget(TQWidget * tqparent = 0, const char * name = 0) :
+			TQWidget(tqparent, name)
 {
 #ifdef DEBUG
 	kdDebug() << "constructor FractionBaseWidget" << endl;
@@ -68,14 +68,14 @@ void FractionBaseWidget::paintRatio(TQPainter & paint, ratio tmp_ratio, int & x_
 	//         5             5
 	int_numerator = tmp_ratio.numerator();
 	int_denominator = tmp_ratio.denominator();
-	if (show_mixed == true && QABS(int_numerator) >= QABS(int_denominator))
+	if (show_mixed == true && TQABS(int_numerator) >= TQABS(int_denominator))
 	{
 		// calculate the mixed number
 		int_mixed = int(int_numerator / int_denominator);
 
 		// the negative sign is in front of the mixed number
-		int_numerator = QABS(int_numerator);
-		int_denominator = QABS(int_denominator);
+		int_numerator = TQABS(int_numerator);
+		int_denominator = TQABS(int_denominator);
 
 		// we have to reduce the numerator by the mixed number * denominator
 		int_numerator = int_numerator % int_denominator;
@@ -92,7 +92,7 @@ void FractionBaseWidget::paintRatio(TQPainter & paint, ratio tmp_ratio, int & x_
 		// don't show the ratio as mixed number
 		str_numerator.setNum(int_numerator);
 		str_denominator.setNum(int_denominator);
-	} // if (show_mixed == true && QABS(int_numerator) > QABS(int_denominator))
+	} // if (show_mixed == true && TQABS(int_numerator) > TQABS(int_denominator))
 
 	// get the text width of the current ratio
 	fontWidth = fm.width(str_numerator);
@@ -161,7 +161,7 @@ void FractionBaseWidget::setColorAndFont()
 	/* set font */
 	m_font = SettingsClass::taskFont();
 
-	// repaint
+	// tqrepaint
 	update();
 
 	return;
diff --git a/kbruch/src/fractionbasewidget.h b/kbruch/src/fractionbasewidget.h
index 21b2fdc8..942c2780 100644
--- a/kbruch/src/fractionbasewidget.h
+++ b/kbruch/src/fractionbasewidget.h
@@ -33,18 +33,19 @@
 /*! base class for painting fractions
  *
  *  \author Sebastian Stein */
-class FractionBaseWidget : public QWidget
+class FractionBaseWidget : public TQWidget
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	FractionBaseWidget(TQWidget * parent, const char * name);
+	FractionBaseWidget(TQWidget * tqparent, const char * name);
 
 	/** destructor */
 	~FractionBaseWidget();
 
-	/** updates the widget by first getting the settings and then repainting */
+	/** updates the widget by first getting the settings and then tqrepainting */
 	void updateAndRepaint();	
 
 protected:
diff --git a/kbruch/src/kbruch.cpp b/kbruch/src/kbruch.cpp
index df74101e..aaca2b02 100644
--- a/kbruch/src/kbruch.cpp
+++ b/kbruch/src/kbruch.cpp
@@ -23,7 +23,7 @@
 #include <time.h>
 #include <stdlib.h>
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <kapplication.h>
 #include <kcmdlineargs.h>
 #include <kaboutdata.h>
@@ -48,10 +48,10 @@ int main(int argc, char * argv[])
 
 	KApplication kbruch;
 
-	MainQtWidget * kbruchApp = new MainQtWidget();
+	MainTQtWidget * kbruchApp = new MainTQtWidget();
 	kbruch.setMainWidget(kbruchApp);
 	kbruchApp->show();
 
-	/* lets execute the Qt GUI; it will handle all cmd options which are left */
+	/* lets execute the TQt GUI; it will handle all cmd options which are left */
 	return kbruch.exec();
 }
diff --git a/kbruch/src/kbruch.h b/kbruch/src/kbruch.h
index e0f5ca0e..a79dccb5 100644
--- a/kbruch/src/kbruch.h
+++ b/kbruch/src/kbruch.h
@@ -31,7 +31,7 @@
 static const char description[] =
 	I18N_NOOP("KBruch");
 
-class MainQtWidget;
+class MainTQtWidget;
 class task;
 class ratio;
 class primzahl;
diff --git a/kbruch/src/mainqtwidget.cpp b/kbruch/src/mainqtwidget.cpp
index 3ac59d46..7212f56a 100644
--- a/kbruch/src/mainqtwidget.cpp
+++ b/kbruch/src/mainqtwidget.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
-                          mainqtwidget.cpp  -  The main Qt/KDE window
+                          mainqtwidget.cpp  -  The main TQt/KDE window
                              -------------------
     begin                : Tue Mar 16 00:00:00 CET 2003
     copyright            : (C) 2003-2004 by Sebastian Stein
@@ -46,10 +46,10 @@
 
 /* ------ public member functions ------ */
 
-MainQtWidget::MainQtWidget()
+MainTQtWidget::MainTQtWidget()
 {
 #ifdef DEBUG
-	kdDebug() << "constructor MainQtWidget" << endl;
+	kdDebug() << "constructor MainTQtWidget" << endl;
 #endif
 
 	// get the settings
@@ -62,7 +62,7 @@ MainQtWidget::MainQtWidget()
 
 	// we split the main view into 2 parts, one for the tasks, one for the
 	// statistics
-	TQSplitter* splitter = new TQSplitter(TQSplitter::Horizontal, this,"TQSplitter");
+	TQSplitter* splitter = new TQSplitter(Qt::Horizontal, this,TQSPLITTER_OBJECT_NAME_STRING);
 	setCentralWidget(splitter);
 
 	// the iconlist, where the user can choose the different exercises
@@ -109,21 +109,21 @@ MainQtWidget::MainQtWidget()
 
 #if (KDE_VERSION_MINOR>=3) && (KDE_VERSION_MAJOR>=3)
 #else
-	resize(TQSize(QMAX(toolBar()->sizeHint().width(), sizeHint().width()), sizeHint().height()));
+	resize(TQSize(TQMAX(toolBar()->tqsizeHint().width(), tqsizeHint().width()), tqsizeHint().height()));
 #endif
 	// now show the last exercise
 	m_exercises->showPage(SettingsClass::activeExercise());
 	slotAboutToShowPage(m_exercises->pageWidget(m_exercises->activePageIndex()));
 }
 
-MainQtWidget::~MainQtWidget()
+MainTQtWidget::~MainTQtWidget()
 {
 }
 
 
 /* ------ private member functions ------ */
 
-void MainQtWidget::readOptions()
+void MainTQtWidget::readOptions()
 {
 	m_addSub = SettingsClass::addsub();
 	m_mulDiv = SettingsClass::muldiv();
@@ -138,7 +138,7 @@ void MainQtWidget::readOptions()
 	}
 }
 
-void MainQtWidget::writeOptions()
+void MainTQtWidget::writeOptions()
 {
 	SettingsClass::setActiveExercise(m_exercises->activePageIndex());
 
@@ -151,23 +151,23 @@ void MainQtWidget::writeOptions()
 	SettingsClass::writeConfig();
 }
 
-void MainQtWidget::setupActions()
+void MainTQtWidget::setupActions()
 {
 	// new task action
 	m_NewTaskAction = new KAction(i18n("&New"), "filenew", KStdAccel::shortcut(KStdAccel::New),
-				      this, TQT_SLOT(NewTask()),
+				      TQT_TQOBJECT(this), TQT_SLOT(NewTask()),
 				      actionCollection(), "NewTask");
 
 	// quit action
-	KStdAction::quit(kapp, TQT_SLOT(quit()), actionCollection());
+	KStdAction::quit(TQT_TQOBJECT(kapp), TQT_SLOT(quit()), actionCollection());
 
 	//
-	KStdAction::preferences(this,  TQT_SLOT( slotPrefs() ), actionCollection());
+	KStdAction::preferences(TQT_TQOBJECT(this),  TQT_SLOT( slotPrefs() ), actionCollection());
 
 	// a label just describing the Number of terms ComboBox
 	m_NrOfTermsLabel = new TQLabel(i18n("Terms:"), 0, "kde toolbar widget");
 	m_NrOfTermsLabelAction = new KWidgetAction(m_NrOfTermsLabel, i18n("Terms:"), ALT+Key_E,
-						   this, TQT_SLOT(NrOfTermsBoxSlot()),
+						   TQT_TQOBJECT(this), TQT_SLOT(NrOfTermsBoxSlot()),
 						   actionCollection(), "NrOfTermsLabelAction");
 
 	// the ComboBox holding possible values for term number
@@ -179,15 +179,15 @@ void MainQtWidget::setupActions()
 	m_NrOfTermsBox->setCurrentItem(m_nrRatios - 2);
 	TQToolTip::add( m_NrOfTermsBox, i18n( "The number of terms you want" ) );
 	TQWhatsThis::add( m_NrOfTermsBox, i18n( "Choose the number of terms (2, 3, 4 or 5) you want for calculating fractions." ) );
-	m_NrOfTermsBoxAction = new KWidgetAction(m_NrOfTermsBox, i18n("Number of Terms"), ALT+Key_E, this, TQT_SLOT(NrOfTermsBoxSlot()), actionCollection(), "NrOfTermsBoxAction");
+	m_NrOfTermsBoxAction = new KWidgetAction(m_NrOfTermsBox, i18n("Number of Terms"), ALT+Key_E, TQT_TQOBJECT(this), TQT_SLOT(NrOfTermsBoxSlot()), actionCollection(), "NrOfTermsBoxAction");
 
 	// now connect the ComboBox's signal textChanged() to the slot function
-	TQObject::connect(m_NrOfTermsBox, TQT_SIGNAL(activated(int)), this, TQT_SLOT(NrOfTermsBoxSlot()));
+	TQObject::connect(m_NrOfTermsBox, TQT_SIGNAL(activated(int)), TQT_TQOBJECT(this), TQT_SLOT(NrOfTermsBoxSlot()));
 
 	// a label just describing the max. main denominator ComboBox
 	m_MaxMainDenominatorLabel = new TQLabel(i18n("Max. main denominator:"), 0, "kde toolbar widget");
 	m_MaxMainDenominatorLabelAction = new KWidgetAction(m_MaxMainDenominatorLabel, i18n("Max. main denominator:"), ALT+Key_D,
-							    this, TQT_SLOT(MaxMainDenominatorBoxSlot()),
+							    TQT_TQOBJECT(this), TQT_SLOT(MaxMainDenominatorBoxSlot()),
 							    actionCollection(), "MaxMainDenominatorLabelAction");
 
 	// the ComboBox holding possible values for the max. main denominator
@@ -209,7 +209,7 @@ void MainQtWidget::setupActions()
 		case 50 : m_MaxMainDenominatorBox->setCurrentItem(3);
 					 break;
 	}
-	m_MaxMainDenominatorBoxAction = new KWidgetAction(m_MaxMainDenominatorBox, i18n("Maximal Main Denominator"), ALT+Key_D, this, TQT_SLOT(MaxMainDenominatorBoxSlot()), actionCollection(), "MaxMainDenominatorBoxAction");
+	m_MaxMainDenominatorBoxAction = new KWidgetAction(m_MaxMainDenominatorBox, i18n("Maximal Main Denominator"), ALT+Key_D, TQT_TQOBJECT(this), TQT_SLOT(MaxMainDenominatorBoxSlot()), actionCollection(), "MaxMainDenominatorBoxAction");
 
 	// now connect the ComboBox's signal textChanged() to the slot function
 	TQObject::connect(m_MaxMainDenominatorBox, TQT_SIGNAL(activated(int)),
@@ -218,7 +218,7 @@ void MainQtWidget::setupActions()
 	// a label just describing the operation ComboBox
 	m_OperationLabel = new TQLabel(i18n("Operations:"), 0, "kde toolbar widget");
 	m_OperationLabelAction = new KWidgetAction(m_OperationLabel, i18n("Operations:"), ALT+Key_O,
-						   this, TQT_SLOT(OperationBoxSlot()),
+						   TQT_TQOBJECT(this), TQT_SLOT(OperationBoxSlot()),
 						   actionCollection(), "OperationLabelAction");
 
 	// the ComboBox holding possible combinations for operations
@@ -236,14 +236,14 @@ void MainQtWidget::setupActions()
 	}
 	TQToolTip::add( m_OperationBox, i18n( "The operations you want" ) );
 	TQWhatsThis::add( m_OperationBox, i18n( "Choose the type of operations you want for calculating fractions: Addition/Substraction, Multiplication/Division or All Operations Mixed. If you choose All Operations Mixed, the program will randomly choose addition, substraction, multiplication and/or division." ) );
-	m_OperationBoxAction = new KWidgetAction(m_OperationBox, i18n("Operations:"), ALT+Key_O, this, TQT_SLOT(OperationBoxSlot()), actionCollection(), "OperationBoxAction");
+	m_OperationBoxAction = new KWidgetAction(m_OperationBox, i18n("Operations:"), ALT+Key_O, TQT_TQOBJECT(this), TQT_SLOT(OperationBoxSlot()), actionCollection(), "OperationBoxAction");
 
 	// now connect the ComboBox's signal textChanged() to the slot function
 	TQObject::connect(m_OperationBox, TQT_SIGNAL(activated(int)), this, TQT_SLOT(OperationBoxSlot()));
 	
 #if (KDE_VERSION_MINOR>=3) && (KDE_VERSION_MAJOR>=3)
 	if (!initialGeometrySet())
-		resize( TQSize(725, 330).expandedTo(minimumSizeHint()));
+		resize( TQSize(725, 330).expandedTo(tqminimumSizeHint()));
 	setupGUI(ToolBar | Keys | StatusBar | Create);
 	setAutoSaveSettings();
 #endif
@@ -252,10 +252,10 @@ void MainQtWidget::setupActions()
 
 /* ------ private slots ------ */
 
-void MainQtWidget::NewTask()
+void MainTQtWidget::NewTask()
 {
 #ifdef DEBUG
-	kdDebug() << "NewTask MainQtWidget" << endl;
+	kdDebug() << "NewTask MainTQtWidget" << endl;
 	kdDebug() << "pageIndex(m_taskview): " << m_exercises->pageIndex(m_taskview) << endl;
 	kdDebug() << "pageIndex(m_exerciseCompare): " << m_exercises->pageIndex(m_exerciseCompare) << endl;
 	kdDebug() << "pageIndex(m_exerciseConvert): " << m_exercises->pageIndex(m_exerciseConvert) << endl;
@@ -307,10 +307,10 @@ void MainQtWidget::NewTask()
 	return;
 }
 
-void MainQtWidget::NrOfTermsBoxSlot()
+void MainTQtWidget::NrOfTermsBoxSlot()
 {
 #ifdef DEBUG
-	kdDebug() << "MainQtWidget::NrOfTermsBoxSlot()" << endl;
+	kdDebug() << "MainTQtWidget::NrOfTermsBoxSlot()" << endl;
 #endif
 	TQString curr_nr = m_NrOfTermsBox->currentText();
 	m_MaxMainDenominatorBox->clear();
@@ -363,10 +363,10 @@ void MainQtWidget::NrOfTermsBoxSlot()
 	(void) m_taskview->setTaskParameters(m_addSub, m_mulDiv, m_nrRatios, m_maxMainDenominator);
 }
 
-void MainQtWidget::MaxMainDenominatorBoxSlot()
+void MainTQtWidget::MaxMainDenominatorBoxSlot()
 {
 #ifdef DEBUG
-	kdDebug() << "MainQtWidget::MaxMainDenominatorBoxSlot()" << endl;
+	kdDebug() << "MainTQtWidget::MaxMainDenominatorBoxSlot()" << endl;
 #endif
 
 	// get the max. size from the ComboBox, convert it to a number and store
@@ -378,10 +378,10 @@ void MainQtWidget::MaxMainDenominatorBoxSlot()
 	(void) m_taskview->setTaskParameters(m_addSub, m_mulDiv, m_nrRatios, m_maxMainDenominator);
 }
 
-void MainQtWidget::OperationBoxSlot()
+void MainTQtWidget::OperationBoxSlot()
 {
 #ifdef DEBUG
-	kdDebug() << "MainQtWidget::OperationBoxSlot()" << endl;
+	kdDebug() << "MainTQtWidget::OperationBoxSlot()" << endl;
 #endif
 
 	int index = m_OperationBox->currentItem(); // get selected item
@@ -413,7 +413,7 @@ void MainQtWidget::OperationBoxSlot()
 	(void) m_taskview->setTaskParameters(m_addSub, m_mulDiv, m_nrRatios, m_maxMainDenominator);
 }
 
-void MainQtWidget::slotPrefs()
+void MainTQtWidget::slotPrefs()
 {
 	// do not show dialog twice
 	if (KConfigDialog::showDialog("settings"))
@@ -444,7 +444,7 @@ void MainQtWidget::slotPrefs()
 	return;
 }
 
-void MainQtWidget::slotApplySettings()
+void MainTQtWidget::slotApplySettings()
 {
 	// update the task view
 	m_taskview->update();
@@ -455,10 +455,10 @@ void MainQtWidget::slotApplySettings()
 	return;
 }
 
-void MainQtWidget::slotAboutToShowPage(TQWidget * page)
+void MainTQtWidget::slotAboutToShowPage(TQWidget * page)
 {
 #ifdef DEBUG
-	kdDebug() << "slotAboutToShowPage MainQtWidget" << endl;
+	kdDebug() << "slotAboutToShowPage MainTQtWidget" << endl;
 	kdDebug() << "pageIndex(m_taskview): " << m_exercises->pageIndex(m_taskview) << endl;
 	kdDebug() << "pageIndex(m_exerciseCompare): " << m_exercises->pageIndex(m_exerciseCompare) << endl;
 	kdDebug() << "pageIndex(m_exerciseConvert): " << m_exercises->pageIndex(m_exerciseConvert) << endl;
@@ -480,7 +480,7 @@ void MainQtWidget::slotAboutToShowPage(TQWidget * page)
 	return;
 }
 
-bool MainQtWidget::queryExit()
+bool MainTQtWidget::queryExit()
 {
 	writeOptions();
 	return true;
diff --git a/kbruch/src/mainqtwidget.h b/kbruch/src/mainqtwidget.h
index 2ecb96f4..989a998e 100644
--- a/kbruch/src/mainqtwidget.h
+++ b/kbruch/src/mainqtwidget.h
@@ -1,5 +1,5 @@
 /***************************************************************************
-                          mainqtwidget.h  -  The main Qt/KDE window
+                          mainqtwidget.h  -  The main TQt/KDE window
                              -------------------
     begin                : Tue Mar 16 00:00:00 CET 2003
     copyright            : (C) 2003-2004 by Sebastian Stein
@@ -14,8 +14,8 @@
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
-#ifndef MAINQTWIDGET_H
-#define MAINQTWIDGET_H
+#ifndef MAINTQTWIDGET_H
+#define MAINTQTWIDGET_H
 
 #include <kmainwindow.h>
 
@@ -37,16 +37,17 @@ class TaskView;
  *  \author Sebastian Stein
  *  \author Eva Brucherseifer
  **/
-class MainQtWidget : public KMainWindow
+class MainTQtWidget : public KMainWindow
 {
 	Q_OBJECT
+  TQ_OBJECT
 			  
 	public:
 		/** constructor */
-		MainQtWidget();
+		MainTQtWidget();
 
 		/** destructor */
-		~MainQtWidget();
+		~MainTQtWidget();
 
 	private:
 		/** read the config file */
@@ -142,4 +143,4 @@ class MainQtWidget : public KMainWindow
 		bool queryExit();
 };
 
-#endif // MainQtWidget
+#endif // MainTQtWidget
diff --git a/kbruch/src/ratio.cpp b/kbruch/src/ratio.cpp
index e3a79a36..0ba1e1c4 100644
--- a/kbruch/src/ratio.cpp
+++ b/kbruch/src/ratio.cpp
@@ -192,9 +192,9 @@ bool ratio::operator==(ratio right)
 	signed short orig_sign = 1, right_sign = 1;
 
 	/* we do not check the presign at this point */
-	if (QABS(m_numerator) != QABS(right.numerator()))
+	if (TQABS(m_numerator) != TQABS(right.numerator()))
 		return false;
-	if (QABS(m_denominator) != QABS(right.denominator()))
+	if (TQABS(m_denominator) != TQABS(right.denominator()))
 		return false;
 
 	/* check if the signs of the ratios are equivalent */
diff --git a/kbruch/src/rationalwidget.cpp b/kbruch/src/rationalwidget.cpp
index f930d882..d0d0d546 100644
--- a/kbruch/src/rationalwidget.cpp
+++ b/kbruch/src/rationalwidget.cpp
@@ -18,12 +18,12 @@
 #include "rationalwidget.h"
 #include "rationalwidget.moc"
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <tqpainter.h>
 #include <tqstring.h>
 
-RationalWidget::RationalWidget(TQWidget * parent, const char * name, const TQString pnumber, const uint pperiodStart, const uint pperiodLength):
-			FractionBaseWidget(parent, name), m_number(pnumber),
+RationalWidget::RationalWidget(TQWidget * tqparent, const char * name, const TQString pnumber, const uint pperiodStart, const uint pperiodLength):
+			FractionBaseWidget(tqparent, name), m_number(pnumber),
 				m_periodStart(pperiodStart), m_periodLength(pperiodLength)
 {
 #ifdef DEBUG
@@ -64,7 +64,7 @@ void RationalWidget::paintEvent(TQPaintEvent* /* p_paintEvent */)
 	paint.setFont(m_font);
 
 	// set the pen for painting
-	TQPen pen(Qt::SolidLine);
+	TQPen pen(TQt::SolidLine);
 	pen.setWidth(0);
 	paint.setPen(pen);
 
diff --git a/kbruch/src/rationalwidget.h b/kbruch/src/rationalwidget.h
index f03598ba..cccae714 100644
--- a/kbruch/src/rationalwidget.h
+++ b/kbruch/src/rationalwidget.h
@@ -34,10 +34,11 @@ class TQString;
 class RationalWidget : public FractionBaseWidget
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	RationalWidget(TQWidget * parent, const char * name, const TQString pnumber, const uint pperiodStart = 1, const uint pperiodLength = 0);
+	RationalWidget(TQWidget * tqparent, const char * name, const TQString pnumber, const uint pperiodStart = 1, const uint pperiodLength = 0);
 
 	/** destructor */
 	~RationalWidget();
diff --git a/kbruch/src/ratiowidget.cpp b/kbruch/src/ratiowidget.cpp
index 17f1cf04..ae92f09c 100644
--- a/kbruch/src/ratiowidget.cpp
+++ b/kbruch/src/ratiowidget.cpp
@@ -18,12 +18,12 @@
 #include "ratiowidget.h"
 #include "ratiowidget.moc"
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <tqpainter.h>
 
-RatioWidget::RatioWidget(TQWidget * parent = 0, const char * name = 0,
+RatioWidget::RatioWidget(TQWidget * tqparent = 0, const char * name = 0,
 													const ratio para_ratio = *new ratio()) :
-			FractionBaseWidget(parent, name), m_ratio(para_ratio)
+			FractionBaseWidget(tqparent, name), m_ratio(para_ratio)
 {
 #ifdef DEBUG
 	kdDebug() << "constructor RatioWidget" << endl;
@@ -56,7 +56,7 @@ void RatioWidget::paintEvent(TQPaintEvent* /* p_paintEvent */)
 	paint.setFont(m_font);
 
 	// set the pen for painting
-	TQPen pen(Qt::SolidLine);
+	TQPen pen(TQt::SolidLine);
 	pen.setWidth(0);
 	paint.setPen(pen);
 
diff --git a/kbruch/src/ratiowidget.h b/kbruch/src/ratiowidget.h
index 8a64d3d4..c861741d 100644
--- a/kbruch/src/ratiowidget.h
+++ b/kbruch/src/ratiowidget.h
@@ -33,10 +33,11 @@
 class RatioWidget : public FractionBaseWidget
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	RatioWidget(TQWidget * parent, const char * name, const ratio para_ratio);
+	RatioWidget(TQWidget * tqparent, const char * name, const ratio para_ratio);
 
 	/** destructor */
 	~RatioWidget();
diff --git a/kbruch/src/resultwidget.cpp b/kbruch/src/resultwidget.cpp
index 7f493408..853e73da 100644
--- a/kbruch/src/resultwidget.cpp
+++ b/kbruch/src/resultwidget.cpp
@@ -18,14 +18,14 @@
 #include "resultwidget.h"
 #include "resultwidget.moc"
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <tqpainter.h>
 
 #include "settingsclass.h"
 
-ResultWidget::ResultWidget(TQWidget * parent = 0, const char * name = 0,
+ResultWidget::ResultWidget(TQWidget * tqparent = 0, const char * name = 0,
 													const ratio para_result = *new ratio()) :
-			FractionBaseWidget(parent, name), m_result(para_result)
+			FractionBaseWidget(tqparent, name), m_result(para_result)
 {
 #ifdef DEBUG
 	kdDebug() << "constructor ResultWidget" << endl;
@@ -58,7 +58,7 @@ void ResultWidget::paintEvent(TQPaintEvent* /* p_paintEvent */)
 	paint.setFont(m_font);
 
 	// set the pen for painting
-	TQPen pen(Qt::SolidLine);
+	TQPen pen(TQt::SolidLine);
 	pen.setWidth(0);
 	paint.setPen(pen);
 
@@ -73,7 +73,7 @@ void ResultWidget::paintEvent(TQPaintEvent* /* p_paintEvent */)
 	paintMiddle(paint, TQString("="), old_x, fm, m_colorOperation);
 	paintRatio(paint, m_result, old_x, fm, false);
 
-	if (SettingsClass::showSpecialRatioNotation() == true && QABS(m_result.numerator()) >= QABS(m_result.denominator()))
+	if (SettingsClass::showSpecialRatioNotation() == true && TQABS(m_result.numerator()) >= TQABS(m_result.denominator()))
 	{
 		// result as mixed number
 		paintMiddle(paint, TQString("="), old_x, fm, m_colorOperation);
diff --git a/kbruch/src/resultwidget.h b/kbruch/src/resultwidget.h
index b42c3776..c742d1be 100644
--- a/kbruch/src/resultwidget.h
+++ b/kbruch/src/resultwidget.h
@@ -33,10 +33,11 @@
 class ResultWidget : public FractionBaseWidget
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	ResultWidget(TQWidget * parent, const char * name, const ratio para_result);
+	ResultWidget(TQWidget * tqparent, const char * name, const ratio para_result);
 
 	/** destructor */
 	~ResultWidget();
diff --git a/kbruch/src/statisticsview.cpp b/kbruch/src/statisticsview.cpp
index d6b8ff37..b3fee887 100644
--- a/kbruch/src/statisticsview.cpp
+++ b/kbruch/src/statisticsview.cpp
@@ -18,7 +18,7 @@
 #include "statisticsview.h"
 #include "statisticsview.moc"
 
-/* the includes are needed for Qt support */
+/* the includes are needed for TQt support */
 #include <tqlabel.h>
 #include <tqlayout.h>
 #include <tqpushbutton.h>
@@ -31,8 +31,8 @@
 #include "settingsclass.h"
 
 /* constructor */
-StatisticsView::StatisticsView(TQWidget * parent, const char * name):
-		TQWidget(parent, name), m_count(0), m_correct(0)
+StatisticsView::StatisticsView(TQWidget * tqparent, const char * name):
+		TQWidget(tqparent, name), m_count(0), m_correct(0)
 {
 #ifdef DEBUG
 	kdDebug() << "constructor StatisticsView()" << endl;
@@ -48,17 +48,17 @@ StatisticsView::StatisticsView(TQWidget * parent, const char * name):
 	/* set the caption of the window */
 	//	setCaption(i18n("Statistics"));
 
-	/* add a layout as a base */
-	layout1 = new TQVBoxLayout(this);
-	layout1->setSpacing(6);
-	layout1->setMargin(6);
+	/* add a tqlayout as a base */
+	tqlayout1 = new TQVBoxLayout(this);
+	tqlayout1->setSpacing(6);
+	tqlayout1->setMargin(6);
 
 	/* now add a v-spacer */
 	TQSpacerItem * v_spacer = new TQSpacerItem(1, 1);
-	layout1->addItem(v_spacer);
+	tqlayout1->addItem(v_spacer);
 
 	/* create a grid to show the labels */
-	labelGrid = new TQGridLayout(layout1, 3, 2);
+	labelGrid = new TQGridLayout(tqlayout1, 3, 2);
 
 	/* add 6 labels to the grid */
 	info1Label = new TQLabel(this);
@@ -112,10 +112,10 @@ StatisticsView::StatisticsView(TQWidget * parent, const char * name):
 
 	/* now add a v-spacer */
 	v_spacer = new TQSpacerItem(1, 1);
-	layout1->addItem(v_spacer);
+	tqlayout1->addItem(v_spacer);
 
 	/* the Reset button */
-	buttonLayout = new TQHBoxLayout(layout1);
+	buttonLayout = new TQHBoxLayout(tqlayout1);
 	resetBtn = new TQPushButton(i18n("&Reset"), this);
 	TQObject::connect(resetBtn, TQT_SIGNAL(clicked()), this, TQT_SLOT(resetStatistics()));
 	buttonLayout->addWidget(resetBtn);
@@ -142,7 +142,7 @@ StatisticsView::~StatisticsView()
 	SettingsClass::setCorrect(m_correct);
 	SettingsClass::writeConfig();
 
-	/* no need to delete any child widgets, Qt does it by itself */
+	/* no need to delete any child widgets, TQt does it by itself */
 }
 
 /* called, if a task solved correctly */
@@ -150,14 +150,14 @@ void StatisticsView::addCorrect()
 {
 	++m_count;
 	++m_correct;
-	(void) calc(); /* repaint the statistics */
+	(void) calc(); /* tqrepaint the statistics */
 }
 
 /* called, if a task was solved wrong */
 void StatisticsView::addWrong()
 {
 	++m_count;
-	(void) calc(); /* repaint the statistics */
+	(void) calc(); /* tqrepaint the statistics */
 }
 
 
@@ -169,7 +169,7 @@ void StatisticsView::calc()
 	TQString new_text;
 	TQString number;
 
-	new_text = TQString("<b>%1</b>").arg(m_count);
+	new_text = TQString("<b>%1</b>").tqarg(m_count);
 	result1Label->setText(new_text);
 
 	/* we have to be careful with division by 0 */
@@ -179,11 +179,11 @@ void StatisticsView::calc()
 		result3Label->setText("- (- %)");
 	} else {
 		/* set the correct label */
-		new_text = TQString("%1 (%2 %)").arg(m_correct).arg(int(double(m_correct) / m_count * 100));
+		new_text = TQString("%1 (%2 %)").tqarg(m_correct).tqarg(int(double(m_correct) / m_count * 100));
 		result2Label->setText(new_text);
 
 		/* set the incorrect label */
-		new_text = TQString("%1 (%2 %)").arg(m_count - m_correct).arg(int(double(m_count - m_correct) / m_count * 100));
+		new_text = TQString("%1 (%2 %)").tqarg(m_count - m_correct).tqarg(int(double(m_count - m_correct) / m_count * 100));
 		result3Label->setText(new_text);
 	}
 }
diff --git a/kbruch/src/statisticsview.h b/kbruch/src/statisticsview.h
index b7948761..60ea147c 100644
--- a/kbruch/src/statisticsview.h
+++ b/kbruch/src/statisticsview.h
@@ -34,13 +34,14 @@ class TQGridLayout;
   * \author Eva Brucherseifer
   */
 
-class StatisticsView : public QWidget
+class StatisticsView : public TQWidget
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	StatisticsView(TQWidget * parent = 0, const char * name = 0);
+	StatisticsView(TQWidget * tqparent = 0, const char * name = 0);
 
 	/** destructor */
 	~StatisticsView();
@@ -65,7 +66,7 @@ private:
 
 	TQPushButton * resetBtn;
 	TQHBoxLayout * buttonLayout;
-	TQVBoxLayout * layout1;
+	TQVBoxLayout * tqlayout1;
 	TQGridLayout * labelGrid;
 	TQLabel * result1Label;
 	TQLabel * result2Label;
diff --git a/kbruch/src/taskview.cpp b/kbruch/src/taskview.cpp
index a15520a8..6318c7bf 100644
--- a/kbruch/src/taskview.cpp
+++ b/kbruch/src/taskview.cpp
@@ -24,7 +24,7 @@
 #include <kapplication.h>
 #include <knumvalidator.h>
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <tqlabel.h>
 #include <tqlayout.h>
 #include <tqlineedit.h>
@@ -38,9 +38,9 @@
 /* ----- public member functions ----- */
 
 /* constructor */
-TaskView::TaskView(TQWidget * parent, const char * name,	bool padd_sub,
+TaskView::TaskView(TQWidget * tqparent, const char * name,	bool padd_sub,
                   bool pmul_div, unsigned int pnr_ratios, unsigned int pmax_md):
-		ExerciseBase(parent, name), add_sub(padd_sub), mul_div(pmul_div),
+		ExerciseBase(tqparent, name), add_sub(padd_sub), mul_div(pmul_div),
 		nr_ratios(pnr_ratios), max_md(pmax_md)
 {
 #ifdef DEBUG
@@ -113,10 +113,10 @@ TaskView::TaskView(TQWidget * parent, const char * name,	bool padd_sub,
 
 	// --- that is the end of the horizontal line ---
 	// in RTL desktops, we still need to allign the
-	// execise to the left. On Qt4, you can set the direction
-	// of the layout to LTR (instead of inherit), but on Qt3
+	// execise to the left. On TQt4, you can set the direction
+	// of the tqlayout to LTR (instead of inherit), but on TQt3
 	// the only way of fixing it is inserting the widgets in reversed
-	// order to the layout.
+	// order to the tqlayout.
 	//
 	// if you need help with this feel free to contact me - Diego <elcuco@kde.org> )
 	// This should fix parts of bug #116831
@@ -152,16 +152,16 @@ TaskView::TaskView(TQWidget * parent, const char * name,	bool padd_sub,
 	m_checkButton->setText(i18n("&Check Task"));
 	m_checkButton->setDefault(true); // is the default button of the dialog
 	TQToolTip::add(m_checkButton, i18n("Click on this button to check your result. The button will not work if you have not entered a result yet."));
-	lowerHBox->addWidget(m_checkButton, 1, Qt::AlignRight);
+	lowerHBox->addWidget(m_checkButton, 1, TQt::AlignRight);
 	TQObject::connect(m_checkButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotCheckButtonClicked()));
 
 	// that the user can start typing without moving the focus
 	numer_edit->setFocus();
 
-	// show the whole layout
+	// show the whole tqlayout
 	baseWidget->show();
 
-	// show the whole layout
+	// show the whole tqlayout
 	m_taskWidget->show();
 	m_resultWidget->hide();
 
@@ -177,7 +177,7 @@ TaskView::~TaskView()
 	kdDebug() << "destructor TaskView()" << endl;
 #endif
 
-	/* no need to delete any child widgets, Qt does it by itself */
+	/* no need to delete any child widgets, TQt does it by itself */
 }
 
 /** the parameters of task generation can be set with this function */
diff --git a/kbruch/src/taskview.h b/kbruch/src/taskview.h
index 961adce2..91e650b2 100644
--- a/kbruch/src/taskview.h
+++ b/kbruch/src/taskview.h
@@ -51,10 +51,11 @@ class TQFrame;
 class TaskView : public ExerciseBase
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	TaskView(TQWidget * parent = 0, const char * name = 0,
+	TaskView(TQWidget * tqparent = 0, const char * name = 0,
 	         bool padd_sub = true, bool pmul_div = false,
 	         unsigned int pnr_ratios = 2, unsigned int pmax_md = 10);
 
diff --git a/kbruch/src/taskvieweroptionsbase.ui b/kbruch/src/taskvieweroptionsbase.ui
index 97cba6ed..92775120 100644
--- a/kbruch/src/taskvieweroptionsbase.ui
+++ b/kbruch/src/taskvieweroptionsbase.ui
@@ -1,10 +1,10 @@
 <!DOCTYPE UI><UI version="3.3" stdsetdef="1">
 <class>TaskViewerOptionsBase</class>
-<widget class="QWidget">
+<widget class="TQWidget">
     <property name="name">
         <cstring>TaskViewerOptionsBase</cstring>
     </property>
-    <property name="geometry">
+    <property name="tqgeometry">
         <rect>
             <x>0</x>
             <y>0</y>
@@ -16,9 +16,9 @@
         <property name="name">
             <cstring>unnamed</cstring>
         </property>
-        <widget class="QLayoutWidget" row="0" column="0">
+        <widget class="TQLayoutWidget" row="0" column="0">
             <property name="name">
-                <cstring>layout2</cstring>
+                <cstring>tqlayout2</cstring>
             </property>
             <vbox>
                 <property name="name">
@@ -40,9 +40,9 @@
                         <string>Change the font of the numbers</string>
                     </property>
                 </widget>
-                <widget class="QGroupBox">
+                <widget class="TQGroupBox">
                     <property name="name">
-                        <cstring>colorGroupBox</cstring>
+                        <cstring>tqcolorGroupBox</cstring>
                     </property>
                     <property name="sizePolicy">
                         <sizepolicy>
@@ -55,11 +55,11 @@
                     <property name="title">
                         <string>Colors</string>
                     </property>
-                    <widget class="QLayoutWidget">
+                    <widget class="TQLayoutWidget">
                         <property name="name">
-                            <cstring>layout7</cstring>
+                            <cstring>tqlayout7</cstring>
                         </property>
-                        <property name="geometry">
+                        <property name="tqgeometry">
                             <rect>
                                 <x>10</x>
                                 <y>20</y>
@@ -115,7 +115,7 @@
                                     <string>Change the color of the fraction bar</string>
                                 </property>
                             </widget>
-                            <widget class="QLabel" row="2" column="0">
+                            <widget class="TQLabel" row="2" column="0">
                                 <property name="name">
                                     <cstring>fractionBarLabel</cstring>
                                 </property>
@@ -131,7 +131,7 @@
                                     <string>Fraction bar:</string>
                                 </property>
                             </widget>
-                            <widget class="QLabel" row="1" column="0">
+                            <widget class="TQLabel" row="1" column="0">
                                 <property name="name">
                                     <cstring>operationLabel</cstring>
                                 </property>
@@ -165,7 +165,7 @@
                                     <string>Change the color of the numbers</string>
                                 </property>
                             </widget>
-                            <widget class="QLabel" row="0" column="0">
+                            <widget class="TQLabel" row="0" column="0">
                                 <property name="name">
                                     <cstring>numberLabel</cstring>
                                 </property>
@@ -184,7 +184,7 @@
                         </grid>
                     </widget>
                 </widget>
-                <widget class="QGroupBox">
+                <widget class="TQGroupBox">
                     <property name="name">
                         <cstring>groupBox2</cstring>
                     </property>
@@ -195,7 +195,7 @@
                         <property name="name">
                             <cstring>unnamed</cstring>
                         </property>
-                        <widget class="QCheckBox" row="0" column="0">
+                        <widget class="TQCheckBox" row="0" column="0">
                             <property name="name">
                                 <cstring>kcfg_showSpecialRatioNotation</cstring>
                             </property>
@@ -214,7 +214,7 @@
 </widget>
 <customwidgets>
 </customwidgets>
-<layoutdefaults spacing="6" margin="11"/>
+<tqlayoutdefaults spacing="6" margin="11"/>
 <includehints>
     <includehint>kfontdialog.h</includehint>
     <includehint>kcolorbutton.h</includehint>
diff --git a/kbruch/src/taskwidget.cpp b/kbruch/src/taskwidget.cpp
index 1807283e..795bc4cb 100644
--- a/kbruch/src/taskwidget.cpp
+++ b/kbruch/src/taskwidget.cpp
@@ -21,12 +21,12 @@
 /* these includes are needed for KDE support */
 #include <klocale.h>
 
-/* these includes are needed for Qt support */
+/* these includes are needed for TQt support */
 #include <tqpainter.h>
 
-TaskWidget::TaskWidget(TQWidget * parent = 0, const char * name = 0,
+TaskWidget::TaskWidget(TQWidget * tqparent = 0, const char * name = 0,
 													const task para_task = *new task()) :
-			FractionBaseWidget(parent, name), m_task(para_task)
+			FractionBaseWidget(tqparent, name), m_task(para_task)
 {
 #ifdef DEBUG
 	kdDebug() << "constructor TaskWidget" << endl;
@@ -65,7 +65,7 @@ void TaskWidget::paintEvent(TQPaintEvent* /* p_paintEvent */)
 	paint.setFont(m_font);
 
 	// set the pen for painting
-	TQPen pen(Qt::SolidLine);
+	TQPen pen(TQt::SolidLine);
 	pen.setWidth(0);
 	paint.setPen(pen);
 
diff --git a/kbruch/src/taskwidget.h b/kbruch/src/taskwidget.h
index 2d7238ae..b2bd6f59 100644
--- a/kbruch/src/taskwidget.h
+++ b/kbruch/src/taskwidget.h
@@ -43,10 +43,11 @@
 class TaskWidget : public FractionBaseWidget
 {
 	Q_OBJECT
+  TQ_OBJECT
 
 public:
 	/** constructor */
-	TaskWidget(TQWidget * parent, const char * name, const task para_task);
+	TaskWidget(TQWidget * tqparent, const char * name, const task para_task);
 
 	/** destructor */
 	~TaskWidget();