Merge branch 'master' of http://scm.trinitydesktop.org/scm/git/tqt3

1 files changed, 143 insertions, 94 deletions

diff --git a/src/widgets/qtabbar.cpp b/src/widgets/qtabbar.cpp
index caa8e7d15..db08012c4 100644
--- a/src/widgets/qtabbar.cpp
+++ b/src/widgets/qtabbar.cpp
@@ -335,7 +335,7 @@ private:
 */
 
 TQTabBar::TQTabBar( TQWidget * parent, const char *name )
-    : TQWidget( parent, name, WNoAutoErase | WNoMousePropagation  ), l(NULL)
+    : TQWidget( parent, name, WNoAutoErase | WNoMousePropagation  ), l(NULL), hoverTab( 0 )
 {
     d = new TQTabPrivate;
     d->pressed = 0;
@@ -581,45 +581,49 @@ TQSize TQTabBar::minimumSizeHint() const
 
 void TQTabBar::paint( TQPainter * p, TQTab * t, bool selected ) const
 {
-    TQStyle::SFlags flags = TQStyle::Style_Default;
-
-    if (isEnabled() && t->isEnabled())
-	flags |= TQStyle::Style_Enabled;
-    if (topLevelWidget() == tqApp->activeWindow())
-	flags |= TQStyle::Style_Active;
-    if ( selected )
-	flags |= TQStyle::Style_Selected;
-    else if(t == d->pressed)
-	flags |= TQStyle::Style_Sunken;
-    //selection flags
-    if(t->rect().contains(mapFromGlobal(TQCursor::pos())))
-	flags |= TQStyle::Style_MouseOver;
-    style().drawControl( TQStyle::CE_TabBarTab, p, this, t->rect(),
-			 colorGroup(), flags, TQStyleOption(t) );
-
-    TQRect r( t->r );
-    p->setFont( font() );
-
-    int iw = 0;
-    int ih = 0;
-    if ( t->iconset != 0 ) {
-	iw = t->iconset->pixmap( TQIconSet::Small, TQIconSet::Normal ).width() + 4;
-	ih = t->iconset->pixmap( TQIconSet::Small, TQIconSet::Normal ).height();
-    }
-    TQFontMetrics fm = p->fontMetrics();
-    int fw = fm.width( t->label );
-    fw -= t->label.contains('&') * fm.width('&');
-    fw += t->label.contains("&&") * fm.width('&');
-    int w = iw + fw + 4;
-    int h = TQMAX(fm.height() + 4, ih );
-    int offset = 3;
+	TQStyle::SFlags flags = TQStyle::Style_Default;
+	
+	if (isEnabled() && t->isEnabled()) {
+		flags |= TQStyle::Style_Enabled;
+	}
+	if (topLevelWidget() == tqApp->activeWindow()) {
+		flags |= TQStyle::Style_Active;
+	}
+	if ( selected ) {
+		flags |= TQStyle::Style_Selected;
+	}
+	else if (t == d->pressed) {
+		flags |= TQStyle::Style_Sunken;
+	}
+
+	//selection flags
+	if (t->rect().contains(mapFromGlobal(TQCursor::pos()))) {
+		flags |= TQStyle::Style_MouseOver;
+	}
+	style().drawControl( TQStyle::CE_TabBarTab, p, this, t->rect(), colorGroup(), flags, TQStyleOption(t, hoverTab) );
+
+	TQRect r( t->r );
+	p->setFont( font() );
+
+	int iw = 0;
+	int ih = 0;
+	if ( t->iconset != 0 ) {
+		iw = t->iconset->pixmap( TQIconSet::Small, TQIconSet::Normal ).width() + 4;
+		ih = t->iconset->pixmap( TQIconSet::Small, TQIconSet::Normal ).height();
+	}
+	TQFontMetrics fm = p->fontMetrics();
+	int fw = fm.width( t->label );
+	fw -= t->label.contains('&') * fm.width('&');
+	fw += t->label.contains("&&") * fm.width('&');
+	int w = iw + fw + 4;
+	int h = TQMAX(fm.height() + 4, ih );
+	int offset = 3;
 #ifdef Q_WS_MAC
-    if (::tqt_cast<TQMacStyle *>(&style()))
-        offset = 0;
+	if (::tqt_cast<TQMacStyle *>(&style())) {
+		offset = 0;
+	}
 #endif
-    paintLabel( p, TQRect( r.left() + (r.width()-w)/2 - offset,
-			  r.top() + (r.height()-h)/2,
-			  w, h ), t, t->id == keyboardFocusTab() );
+	paintLabel( p, TQRect( r.left() + (r.width()-w)/2 - offset, r.top() + (r.height()-h)/2, w, h ), t, t->id == keyboardFocusTab() );
 }
 
 /*!
@@ -630,43 +634,48 @@ void TQTabBar::paint( TQPainter * p, TQTab * t, bool selected ) const
 void TQTabBar::paintLabel( TQPainter* p, const TQRect& br,
 			  TQTab* t, bool has_focus ) const
 {
-    TQRect r = br;
-    bool selected = currentTab() == t->id;
-    if ( t->iconset) {
-	// the tab has an iconset, draw it in the right mode
-	TQIconSet::Mode mode = (t->enabled && isEnabled())
-	    ? TQIconSet::Normal : TQIconSet::Disabled;
-	if ( mode == TQIconSet::Normal && has_focus )
-	    mode = TQIconSet::Active;
-	TQPixmap pixmap = t->iconset->pixmap( TQIconSet::Small, mode );
-	int pixw = pixmap.width();
-	int pixh = pixmap.height();
-	r.setLeft( r.left() + pixw + 4 );
-	r.setRight( r.right() + 2 );
-
-	int xoff = 0, yoff = 0;
-	if(!selected) {
-	    xoff = style().pixelMetric(TQStyle::PM_TabBarTabShiftHorizontal, this);
-	    yoff = style().pixelMetric(TQStyle::PM_TabBarTabShiftVertical, this);
+	TQRect r = br;
+	bool selected = currentTab() == t->id;
+	if ( t->iconset) {
+		// the tab has an iconset, draw it in the right mode
+		TQIconSet::Mode mode = (t->enabled && isEnabled())
+		? TQIconSet::Normal : TQIconSet::Disabled;
+		if ( mode == TQIconSet::Normal && has_focus )
+		mode = TQIconSet::Active;
+		TQPixmap pixmap = t->iconset->pixmap( TQIconSet::Small, mode );
+		int pixw = pixmap.width();
+		int pixh = pixmap.height();
+		r.setLeft( r.left() + pixw + 4 );
+		r.setRight( r.right() + 2 );
+	
+		int xoff = 0, yoff = 0;
+		if(!selected) {
+			xoff = style().pixelMetric(TQStyle::PM_TabBarTabShiftHorizontal, this);
+			yoff = style().pixelMetric(TQStyle::PM_TabBarTabShiftVertical, this);
+		}
+		p->drawPixmap( br.left() + 2 + xoff, br.center().y()-pixh/2 + yoff, pixmap );
 	}
-	p->drawPixmap( br.left() + 2 + xoff, br.center().y()-pixh/2 + yoff, pixmap );
-    }
 
-    TQStyle::SFlags flags = TQStyle::Style_Default;
-
-    if (isEnabled() && t->isEnabled())
-	flags |= TQStyle::Style_Enabled;
-    if (has_focus)
-	flags |= TQStyle::Style_HasFocus;
-    if ( selected )
-	flags |= TQStyle::Style_Selected;
-    else if(t == d->pressed)
-	flags |= TQStyle::Style_Sunken;
-    if(t->rect().contains(mapFromGlobal(TQCursor::pos())))
-	flags |= TQStyle::Style_MouseOver;
-    style().drawControl( TQStyle::CE_TabBarLabel, p, this, r,
-			 t->isEnabled() ? colorGroup(): palette().disabled(),
-			 flags, TQStyleOption(t) );
+	TQStyle::SFlags flags = TQStyle::Style_Default;
+	
+	if (isEnabled() && t->isEnabled()) {
+		flags |= TQStyle::Style_Enabled;
+	}
+	if (has_focus) {
+		flags |= TQStyle::Style_HasFocus;
+	}
+	if ( selected ) {
+		flags |= TQStyle::Style_Selected;
+	}
+	else if(t == d->pressed) {
+		flags |= TQStyle::Style_Sunken;
+	}
+	if(t->rect().contains(mapFromGlobal(TQCursor::pos()))) {
+		flags |= TQStyle::Style_MouseOver;
+	}
+	style().drawControl( TQStyle::CE_TabBarLabel, p, this, r,
+				t->isEnabled() ? colorGroup(): palette().disabled(),
+				flags, TQStyleOption(t, hoverTab) );
 }
 
 
@@ -689,8 +698,9 @@ void TQTabBar::paintEvent( TQPaintEvent * e )
     t = l->first();
     do {
 	TQTab * n = l->next();
-	if ( t && t->r.intersects( e->rect() ) )
+	if ( t && t->r.intersects( e->rect() ) ) {
 	    paint( buffer.painter(), t, n == 0 );
+	}
 	t = n;
     } while ( t != 0 );
 
@@ -776,19 +786,38 @@ void TQTabBar::mousePressEvent( TQMouseEvent * e )
 
 void TQTabBar::mouseMoveEvent ( TQMouseEvent *e )
 {
-    if ( e->state() != LeftButton ) {
-	e->ignore();
-	return;
-    }
-    if(style().styleHint( TQStyle::SH_TabBar_SelectMouseType, this ) == TQEvent::MouseButtonRelease) {
 	TQTab *t = selectTab( e->pos() );
-	if(t != d->pressed) {
-	    if(d->pressed)
-		repaint(d->pressed->rect(), FALSE);
-	    if((d->pressed = t))
-		repaint(t->rect(), FALSE);
+
+	// Repaint hover indicator(s)
+	// Also, avoid unnecessary repaints which otherwise would occour on every MouseMove event causing high cpu load
+	bool forceRepaint = true;
+	if (hoverTab == t) {
+		forceRepaint = false;
+	}
+	hoverTab = t;
+	if (forceRepaint) {
+		repaint(false);
+	}
+
+	if ( e->state() != LeftButton ) {
+		e->ignore();
+		return;
+	}
+
+	if(style().styleHint( TQStyle::SH_TabBar_SelectMouseType, this ) == TQEvent::MouseButtonRelease) {
+		if(t != d->pressed) {
+			if (d->pressed) {
+				if (!forceRepaint) {
+					repaint(d->pressed->rect(), FALSE);
+				}
+			}
+			if ((d->pressed = t)) {
+				if (!forceRepaint) {
+					repaint(t->rect(), FALSE);
+				}
+			}
+		}
 	}
-    }
 }
 
 /*!
@@ -797,16 +826,28 @@ void TQTabBar::mouseMoveEvent ( TQMouseEvent *e )
 
 void TQTabBar::mouseReleaseEvent( TQMouseEvent *e )
 {
-    if ( e->button() != LeftButton )
-	e->ignore();
-    if(d->pressed) {
-	TQTab *t = selectTab( e->pos() ) == d->pressed ? d->pressed : 0;
-	d->pressed = 0;
-	if(t && t->enabled && e->type() == style().styleHint( TQStyle::SH_TabBar_SelectMouseType, this ))
-	    setCurrentTab( t );
-    }
+	if (e->button() != LeftButton) {
+		e->ignore();
+	}
+	
+	if (d->pressed) {
+		TQTab *t = selectTab( e->pos() ) == d->pressed ? d->pressed : 0;
+		d->pressed = 0;
+		if(t && t->enabled && e->type() == style().styleHint( TQStyle::SH_TabBar_SelectMouseType, this )) {
+			setCurrentTab( t );
+		}
+	}
 }
 
+void TQTabBar::enterEvent( TQEvent * )
+{
+	hoverTab = 0;
+}
+
+void TQTabBar::leaveEvent( TQEvent * )
+{
+	hoverTab = 0;
+}
 
 /*!
     \reimp
@@ -1119,7 +1160,7 @@ void TQTabBar::layoutTabs()
 	h += vframe;
 	t->r = TQRect(TQPoint(x, 0), style().sizeFromContents(TQStyle::CT_TabBarTab, this,
 	             TQSize( TQMAX( lw + hframe + iw, TQApplication::globalStrut().width() ), h ),
-		     TQStyleOption(t) ));
+		     TQStyleOption(t, hoverTab) ));
 	x += t->r.width() - overlap;
 	r = r.unite( t->r );
 	if ( reverse )
@@ -1375,4 +1416,12 @@ void TQTabBar::fontChange( const TQFont & oldFont )
     TQWidget::fontChange( oldFont );
 }
 
+/*!
+    Returns the tab currently under the mouse pointer, or NULL if no tab is under the cursor
+*/
+TQTab *TQTabBar::mouseHoverTab() const
+{
+    return hoverTab;
+}
+
 #endif