diff --git a/kdgantt/KDGanttMinimizeSplitter.cpp b/kdgantt/KDGanttMinimizeSplitter.cpp
index b965be257..75c525834 100644
--- a/kdgantt/KDGanttMinimizeSplitter.cpp
+++ b/kdgantt/KDGanttMinimizeSplitter.cpp
@@ -284,7 +284,7 @@ void KDGanttSplitterHandle::paintEvent( TQPaintEvent * )
     bitBlt( this, 0, 0, &buffer );
 }
 
-class TQSplitterLayoutStruct
+class KDGanttSplitterLayoutStruct
 {
 public:
     KDGanttMinimizeSplitter::ResizeMode mode;
@@ -298,7 +298,7 @@ class TQSplitterData
 public:
     TQSplitterData() : opaque( FALSE ), firstShow( TRUE ) {}
 
-    TQPtrList<TQSplitterLayoutStruct> list;
+    TQPtrList<KDGanttSplitterLayoutStruct> list;
     bool opaque;
     bool firstShow;
 };
@@ -438,7 +438,7 @@ void KDGanttMinimizeSplitter::setOrientation( Qt::Orientation o )
     else
 	tqsetSizePolicy( TQSizePolicy( TQSizePolicy::Minimum, TQSizePolicy::Expanding ) );
 
-    TQSplitterLayoutStruct *s = data->list.first();
+    KDGanttSplitterLayoutStruct *s = data->list.first();
     while ( s ) {
 	if ( s->isSplitter )
 	    ((KDGanttSplitterHandle*)s->wid)->setOrientation( o );
@@ -466,12 +466,12 @@ void KDGanttMinimizeSplitter::resizeEvent( TQResizeEvent * )
   needed.  (If \a first is TRUE, then recalcId is very probably
   needed.)
 */
-TQSplitterLayoutStruct *KDGanttMinimizeSplitter::addWidget( TQWidget *w, bool first )
+KDGanttSplitterLayoutStruct *KDGanttMinimizeSplitter::addWidget( TQWidget *w, bool first )
 {
-    TQSplitterLayoutStruct *s;
+    KDGanttSplitterLayoutStruct *s;
     KDGanttSplitterHandle *newHandle = 0;
     if ( data->list.count() > 0 ) {
-	s = new TQSplitterLayoutStruct;
+	s = new KDGanttSplitterLayoutStruct;
 	s->mode = KeepSize;
 	TQString tmp = "qt_splithandle_";
 	tmp += w->name();
@@ -485,7 +485,7 @@ TQSplitterLayoutStruct *KDGanttMinimizeSplitter::addWidget( TQWidget *w, bool fi
 	else
 	    data->list.append( s );
     }
-    s = new TQSplitterLayoutStruct;
+    s = new KDGanttSplitterLayoutStruct;
     s->mode = Stretch;
     s->wid = w;
     if ( !testWState( WState_Resized ) && w->tqsizeHint().isValid() )
@@ -516,7 +516,7 @@ void KDGanttMinimizeSplitter::childEvent( TQChildEvent *c )
 	if ( ((TQWidget*)c->child())->testWFlags( WType_TopLevel ) )
 	    return;
 
-	TQSplitterLayoutStruct *s = data->list.first();
+	KDGanttSplitterLayoutStruct *s = data->list.first();
 	while ( s ) {
 	    if ( s->wid == c->child() )
 		return;
@@ -526,10 +526,10 @@ void KDGanttMinimizeSplitter::childEvent( TQChildEvent *c )
 	recalc( isVisible() );
 
     } else if ( c->type() == TQEvent::ChildRemoved ) {
-	TQSplitterLayoutStruct *p = 0;
+	KDGanttSplitterLayoutStruct *p = 0;
 	if ( data->list.count() > 1 )
 	    p = data->list.at(1); //remove handle _after_ first widget.
-	TQSplitterLayoutStruct *s = data->list.first();
+	KDGanttSplitterLayoutStruct *s = data->list.first();
 	while ( s ) {
 	    if ( s->wid == c->child() ) {
 		data->list.removeRef( s );
@@ -615,7 +615,7 @@ void KDGanttMinimizeSplitter::drawSplitter( TQPainter *p,
 */
 int KDGanttMinimizeSplitter::idAfter( TQWidget* w ) const
 {
-    TQSplitterLayoutStruct *s = data->list.first();
+    KDGanttSplitterLayoutStruct *s = data->list.first();
     bool seen_w = FALSE;
     while ( s ) {
 	if ( s->isSplitter && seen_w )
@@ -644,7 +644,7 @@ void KDGanttMinimizeSplitter::moveSplitter( TQCOORD p, int id )
 {
     p = adjustPos( p, id );
 
-    TQSplitterLayoutStruct *s = data->list.at(id);
+    KDGanttSplitterLayoutStruct *s = data->list.at(id);
     int oldP = orient ==Qt::Horizontal ? s->wid->x() : s->wid->y();
     bool upLeft;
     if ( TQApplication::reverseLayout() && orient ==Qt::Horizontal ) {
@@ -680,7 +680,7 @@ void KDGanttMinimizeSplitter::moveBefore( int pos, int id, bool upLeft )
 {
     if( id < 0 )
 	return;
-    TQSplitterLayoutStruct *s = data->list.at(id);
+    KDGanttSplitterLayoutStruct *s = data->list.at(id);
     if ( !s )
 	return;
     TQWidget *w = s->wid;
@@ -729,7 +729,7 @@ void KDGanttMinimizeSplitter::moveBefore( int pos, int id, bool upLeft )
 */
 void KDGanttMinimizeSplitter::moveAfter( int pos, int id, bool upLeft )
 {
-    TQSplitterLayoutStruct *s = id < int(data->list.count()) ?
+    KDGanttSplitterLayoutStruct *s = id < int(data->list.count()) ?
 			       data->list.at(id) : 0;
     if ( !s )
 	return;
@@ -781,7 +781,7 @@ void KDGanttMinimizeSplitter::moveAfter( int pos, int id, bool upLeft )
 
 void KDGanttMinimizeSplitter::expandPos( int id, int*  min, int* max )
 {
-    TQSplitterLayoutStruct *s = data->list.at(id-1);
+    KDGanttSplitterLayoutStruct *s = data->list.at(id-1);
     TQWidget* w = s->wid;
     *min = pick( w->mapToParent( TQPoint(0,0) ) );
 
@@ -789,7 +789,7 @@ void KDGanttMinimizeSplitter::expandPos( int id, int*  min, int* max )
         pick( size() );
     }
     else {
-        TQSplitterLayoutStruct *s = data->list.at(id+1);
+        KDGanttSplitterLayoutStruct *s = data->list.at(id+1);
         TQWidget* w = s->wid;
         *max = pick( w->mapToParent( TQPoint( w->width(), w->height() ) ) ) -8;
     }
@@ -813,7 +813,7 @@ void KDGanttMinimizeSplitter::getRange( int id, int *min, int *max )
 	return;
     int i;
     for ( i = 0; i < id; i++ ) {
-	TQSplitterLayoutStruct *s = data->list.at(i);
+	KDGanttSplitterLayoutStruct *s = data->list.at(i);
 	if ( s->wid->isHidden() ) {
 	    //ignore
 	} else if ( s->isSplitter ) {
@@ -825,7 +825,7 @@ void KDGanttMinimizeSplitter::getRange( int id, int *min, int *max )
 	}
     }
     for ( i = id; i < n; i++ ) {
-	TQSplitterLayoutStruct *s = data->list.at(i);
+	KDGanttSplitterLayoutStruct *s = data->list.at(i);
 	if ( s->wid->isHidden() ) {
 	    //ignore
 	} else if ( s->isSplitter ) {
@@ -877,7 +877,7 @@ void KDGanttMinimizeSplitter::doResize()
     TQMemArray<TQLayoutStruct> a( n );
     for ( i = 0; i< n; i++ ) {
 	a[i].init();
-	TQSplitterLayoutStruct *s = data->list.at(i);
+	KDGanttSplitterLayoutStruct *s = data->list.at(i);
 	if ( s->wid->isHidden() ) {
 	    a[i].stretch = 0;
 	    a[i].tqsizeHint = a[i].tqminimumSize = 0;
@@ -908,7 +908,7 @@ void KDGanttMinimizeSplitter::doResize()
     kdganttGeomCalc( a, 0, n, pick( r.topLeft() ), pick( r.size() ), 0 );
 
     for ( i = 0; i< n; i++ ) {
-	TQSplitterLayoutStruct *s = data->list.at(i);
+	KDGanttSplitterLayoutStruct *s = data->list.at(i);
 	setG( s->wid, a[i].pos, a[i].size );
     }
 
@@ -930,9 +930,9 @@ void KDGanttMinimizeSplitter::recalc( bool update )
       The splitter before any other visible widget is visible.
     */
     for ( int i = 0; i< n; i++ ) {
-	TQSplitterLayoutStruct *s = data->list.at(i);
+	KDGanttSplitterLayoutStruct *s = data->list.at(i);
 	if ( !s->isSplitter ) {
-	    TQSplitterLayoutStruct *p = (i > 0) ? data->list.at( i-1 ) : 0;
+	    KDGanttSplitterLayoutStruct *p = (i > 0) ? data->list.at( i-1 ) : 0;
 	    if ( p && p->isSplitter )
 		if ( first || s->wid->isHidden() )
 		    p->wid->hide(); //may trigger new recalc
@@ -945,7 +945,7 @@ void KDGanttMinimizeSplitter::recalc( bool update )
 
     bool empty=TRUE;
     for ( int j = 0; j< n; j++ ) {
-	TQSplitterLayoutStruct *s = data->list.at(j);
+	KDGanttSplitterLayoutStruct *s = data->list.at(j);
 	if ( !s->wid->isHidden() ) {
 	    empty = FALSE;
 	    if ( s->isSplitter ) {
@@ -996,7 +996,7 @@ void KDGanttMinimizeSplitter::recalc( bool update )
 void KDGanttMinimizeSplitter::setResizeMode( TQWidget *w, ResizeMode mode )
 {
     processChildEvents();
-    TQSplitterLayoutStruct *s = data->list.first();
+    KDGanttSplitterLayoutStruct *s = data->list.first();
     while ( s ) {
 	if ( s->wid == w  ) {
 	    s->mode = mode;
@@ -1043,11 +1043,11 @@ void KDGanttMinimizeSplitter::moveToFirst( TQWidget *w )
 {
     processChildEvents();
     bool found = FALSE;
-    TQSplitterLayoutStruct *s = data->list.first();
+    KDGanttSplitterLayoutStruct *s = data->list.first();
     while ( s ) {
 	if ( s->wid == w  ) {
 	    found = TRUE;
-	    TQSplitterLayoutStruct *p = data->list.prev();
+	    KDGanttSplitterLayoutStruct *p = data->list.prev();
 	    if ( p ) { // not already at first place
 		data->list.take(); //take p
 		data->list.take(); // take s
@@ -1072,12 +1072,12 @@ void KDGanttMinimizeSplitter::moveToLast( TQWidget *w )
 {
     processChildEvents();
     bool found = FALSE;
-    TQSplitterLayoutStruct *s = data->list.first();
+    KDGanttSplitterLayoutStruct *s = data->list.first();
     while ( s ) {
 	if ( s->wid == w  ) {
 	    found = TRUE;
 	    data->list.take(); // take s
-	    TQSplitterLayoutStruct *p = data->list.current();
+	    KDGanttSplitterLayoutStruct *p = data->list.current();
 	    if ( p ) { // the splitter handle after s
 		data->list.take(); //take p
 		data->list.append( p );
@@ -1097,7 +1097,7 @@ void KDGanttMinimizeSplitter::recalcId()
 {
     int n = data->list.count();
     for ( int i = 0; i < n; i++ ) {
-	TQSplitterLayoutStruct *s = data->list.at(i);
+	KDGanttSplitterLayoutStruct *s = data->list.at(i);
 	if ( s->isSplitter )
 	    ((KDGanttSplitterHandle*)s->wid)->setId(i);
     }
@@ -1168,7 +1168,7 @@ TQSize KDGanttMinimizeSplitter::tqminimumSizeHint() const
 
 void KDGanttMinimizeSplitter::storeSizes()
 {
-    TQSplitterLayoutStruct *s = data->list.first();
+    KDGanttSplitterLayoutStruct *s = data->list.first();
     while ( s ) {
 	if ( !s->isSplitter )
 	    s->sizer = pick( s->wid->size() );
@@ -1253,7 +1253,7 @@ TQValueList<int> KDGanttMinimizeSplitter::sizes() const
 	that->polish();
     }
     TQValueList<int> list;
-    TQSplitterLayoutStruct *s = data->list.first();
+    KDGanttSplitterLayoutStruct *s = data->list.first();
     while ( s ) {
 	if ( !s->isSplitter )
 	    list.append( s->sizer );
@@ -1281,7 +1281,7 @@ void KDGanttMinimizeSplitter::setSizes( TQValueList<int> list )
 {
     processChildEvents();
     TQValueList<int>::Iterator it = list.begin();
-    TQSplitterLayoutStruct *s = data->list.first();
+    KDGanttSplitterLayoutStruct *s = data->list.first();
     while ( s && it != list.end() ) {
 	if ( !s->isSplitter ) {
 	    s->sizer = *it;
@@ -1311,7 +1311,7 @@ void KDGanttMinimizeSplitter::processChildEvents()
 void KDGanttMinimizeSplitter::styleChange( TQStyle& old )
 {
     int sw = tqstyle().tqpixelMetric(TQStyle::PM_SplitterWidth, this);
-    TQSplitterLayoutStruct *s = data->list.first();
+    KDGanttSplitterLayoutStruct *s = data->list.first();
     while ( s ) {
 	if ( s->isSplitter )
 	    s->sizer = sw;
diff --git a/kdgantt/KDGanttMinimizeSplitter.h b/kdgantt/KDGanttMinimizeSplitter.h
index 43033abeb..5e251afcd 100644
--- a/kdgantt/KDGanttMinimizeSplitter.h
+++ b/kdgantt/KDGanttMinimizeSplitter.h
@@ -42,7 +42,7 @@
 #ifndef TQT_NO_SPLITTER
 
 class TQSplitterData;
-class TQSplitterLayoutStruct;
+class KDGanttSplitterLayoutStruct;
 
 class KDGanttMinimizeSplitter : public TQFrame
 {
@@ -103,7 +103,7 @@ private:
     void doResize();
     void storeSizes();
     void processChildEvents();
-    TQSplitterLayoutStruct *addWidget( TQWidget*, bool first = FALSE );
+    KDGanttSplitterLayoutStruct *addWidget( TQWidget*, bool first = FALSE );
     void recalcId();
     void moveBefore( int pos, int id, bool upLeft );
     void moveAfter( int pos, int id, bool upLeft );