Merge branch 'master' of http://scm.trinitydesktop.org/scm/git/qt3

changes-3.5

@@ -31,7 +31,7 @@ sizeFromContents
 styleHint
 stylePixmap
 visualRect
-drawKStylePrimitive
+drawTDEStylePrimitive
 polish
 unPolish
 

src/iconview/qiconview.cpp

@@ -214,6 +214,7 @@ public:
     QIconViewItem *currentItem, *tmpCurrentItem, *highlightedItem,
 	*startDragItem, *pressedItem, *selectAnchor, *renamingItem;
     QRect *rubber;
+    QPixmap *backBuffer;
     QTimer *scrollTimer, *adjustTimer, *updateTimer, *inputTimer,
 	*fullRedrawTimer;
     int rastX, rastY, spacing;
@@ -2800,6 +2801,7 @@ QIconView::QIconView( QWidget *parent, const char *name, WFlags f )
     d->currentItem = 0;
     d->highlightedItem = 0;
     d->rubber = 0;
+    d->backBuffer = 0;
     d->scrollTimer = 0;
     d->startDragItem = 0;
     d->tmpCurrentItem = 0;
@@ -2953,6 +2955,8 @@ QIconView::~QIconView()
 	delete item;
 	item = tmp;
     }
+    delete d->backBuffer;
+    d->backBuffer = 0;
     delete d->fm;
     d->fm = 0;
 #ifndef QT_NO_TOOLTIP
@@ -4972,6 +4976,47 @@ void QIconView::contentsDropEvent( QDropEvent *e )
 }
 #endif
 
+/*!
+    This function grabs all paintevents that otherwise would have been
+    processed by the QScrollView::viewportPaintEvent(). Here we use a
+    doublebuffer to reduce 'on-paint' flickering on QIconView
+    (and of course its children).
+    
+    \sa QScrollView::viewportPaintEvent(), QIconView::drawContents()
+*/
+
+void QIconView::bufferedPaintEvent( QPaintEvent* pe )
+{
+    QWidget* vp = viewport();
+    QRect r = pe->rect() & vp->rect();
+    int ex = r.x() + contentsX();
+    int ey = r.y() + contentsY();
+    int ew = r.width();
+    int eh = r.height();
+
+    if ( !d->backBuffer )
+	d->backBuffer = new QPixmap(vp->size());
+    if ( d->backBuffer->size() != vp->size() ) {
+	// Resize function (with hysteresis). Uses a good compromise between memory
+	// consumption and speed (number) of resizes.
+	float newWidth = (float)vp->width();
+	float newHeight = (float)vp->height();
+	if ( newWidth > d->backBuffer->width() || newHeight > d->backBuffer->height() )
+	{
+	    newWidth *= 1.1892;
+	    newHeight *= 1.1892;
+	    d->backBuffer->resize( (int)newWidth, (int)newHeight );
+	} else if ( 1.5*newWidth < d->backBuffer->width() || 1.5*newHeight < d->backBuffer->height() )
+	    d->backBuffer->resize( (int)newWidth, (int)newHeight );
+    }
+
+    QPainter p;
+    p.begin(d->backBuffer, vp);
+    drawContentsOffset(&p, contentsX(), contentsY(), ex, ey, ew, eh);
+    p.end();
+    bitBlt(vp, r.x(), r.y(), d->backBuffer, r.x(), r.y(), ew, eh);
+}
+
 /*!
     \reimp
 */
@@ -5755,11 +5800,11 @@ bool QIconView::eventFilter( QObject * o, QEvent * e )
 		if ( d->dragging ) {
 		    if ( !d->rubber )
 			drawDragShapes( d->oldDragPos );
-		}
+		    viewportPaintEvent( (QPaintEvent*)e );
-		viewportPaintEvent( (QPaintEvent*)e );
-		if ( d->dragging ) {
 		    if ( !d->rubber )
 			drawDragShapes( d->oldDragPos );
+		} else {
+		    bufferedPaintEvent( (QPaintEvent*)e );
 		}
 	    }
 	    return TRUE;

src/iconview/qiconview.h

@@ -452,6 +452,7 @@ protected:
     void contentsDropEvent( QDropEvent *e );
 #endif
 
+    void bufferedPaintEvent( QPaintEvent* );
     void resizeEvent( QResizeEvent* e );
     void keyPressEvent( QKeyEvent *e );
     void focusInEvent( QFocusEvent *e );

src/kernel/qapplication.cpp

@@ -2931,7 +2931,14 @@ int QApplication::exec()
 */
 void QApplication::exit( int retcode )
 {
-    qApp->eventLoop()->exit( retcode );
+    QThread* thread = qApp->guiThread();
+    if (thread) {
+        if (thread->d) {
+            if (thread->d->eventLoop) {
+                thread->d->eventLoop->exit( retcode );
+            }
+        }
+    }
 }
 
 /*!

src/kernel/qeventloop_glib_p.h

@@ -90,6 +90,9 @@ public:
 		xfd = -1;
 		x_gPollFD.fd = -1;
 #endif // Q_WS_X11
+		singletoolkit = TRUE;
+		ctx = 0;
+		ctx_is_default = false;
 		reset();
 	}
 
@@ -99,9 +102,8 @@ public:
 		quitnow = FALSE;
 		exitloop = FALSE;
 		shortcut = FALSE;
-		singletoolkit = TRUE;
 	}
-	
+
 	int looplevel;
 	int quitcode;
 	unsigned int quitnow  : 1;
@@ -129,6 +131,7 @@ public:
 
 	// main context
 	GMainContext *ctx;
+	bool ctx_is_default;
 };
 
 #endif // QEVENTLOOP_GLIB_P_H

src/kernel/qeventloop_x11_glib.cpp

@@ -79,8 +79,7 @@ static GSourceFuncs qt_gsource_funcs = {
 
 // forward main loop callbacks to QEventLoop methods!
 
-static gboolean qt_gsource_prepare  ( GSource *source,
+static gboolean qt_gsource_prepare ( GSource *source, gint *timeout )
-	gint *timeout )
 {
 	QtGSource * qtGSource = (QtGSource*) source;
 	QEventLoop* candidateEventLoop = qtGSource->qeventLoop;
@@ -95,7 +94,7 @@ static gboolean qt_gsource_prepare  ( GSource *source,
 	}
 }
 
-static gboolean qt_gsource_check    ( GSource *source ) 
+static gboolean qt_gsource_check ( GSource *source )
 {
 	QtGSource * qtGSource = (QtGSource*) source;
 	QEventLoop* candidateEventLoop = qtGSource->qeventLoop;
@@ -110,8 +109,7 @@ static gboolean qt_gsource_check    ( GSource *source )
 	}
 }
 
-static gboolean qt_gsource_dispatch ( GSource *source,
+static gboolean qt_gsource_dispatch ( GSource *source, GSourceFunc  callback, gpointer user_data )
-    GSourceFunc  callback, gpointer user_data ) 
 {
 	Q_UNUSED(callback);
 	Q_UNUSED(user_data);
@@ -215,6 +213,7 @@ void QEventLoop::init()
 	// new main context for thread
 	d->ctx = g_main_context_new();
 	g_main_context_push_thread_default(d->ctx);
+	d->ctx_is_default = true;
 
 	// new GSource
 	QtGSource * qtGSource = (QtGSource*) g_source_new(&qt_gsource_funcs, sizeof(QtGSource));
@@ -241,9 +240,9 @@ void QEventLoop::init()
 	d->threadPipe_gPollFD.fd = d->thread_pipe[0];
 	d->threadPipe_gPollFD.events = G_IO_IN | G_IO_HUP | G_IO_ERR;
 	
-	g_source_add_poll(d->gSource, &d->threadPipe_gPollFD); 
+	g_source_add_poll(d->gSource, &d->threadPipe_gPollFD);
 	
-#ifdef DEBUG_QT_GLIBMAINLOOP 
+#ifdef DEBUG_QT_GLIBMAINLOOP
 	printf("inside init(2)\n");
 #endif
 	
@@ -375,7 +374,7 @@ bool QEventLoop::processX11Events()
 }
 	
 	
-bool QEventLoop::gsourcePrepare(GSource *gs, int * timeout) 
+bool QEventLoop::gsourcePrepare(GSource *gs, int * timeout)
 {
 	Q_UNUSED(gs);
 
@@ -428,7 +427,7 @@ bool QEventLoop::gsourcePrepare(GSource *gs, int * timeout)
 
 #ifdef DEBUG_QT_GLIBMAINLOOP
 	printf("inside gsourcePrepare(2) canwait=%d\n", canWait);
-#endif 
+#endif
 	
 	if ( canWait ) {
 		emit aboutToBlock();
@@ -440,7 +439,7 @@ bool QEventLoop::gsourcePrepare(GSource *gs, int * timeout)
 			(**it)();
 	}
 
-#ifdef DEBUG_QT_GLIBMAINLOOP 
+#ifdef DEBUG_QT_GLIBMAINLOOP
 	printf("inside gsourcePrepare(2.1) canwait=%d\n", canWait);
 #endif
 	
@@ -649,4 +648,17 @@ void QEventLoop::appClosingDown()
 
 void QEventLoop::setSingleToolkitEventHandling(bool enabled) {
 	d->singletoolkit = enabled;
+
+	if (!d->singletoolkit) {
+		if (d->ctx_is_default) {
+			d->ctx_is_default = false;
+			g_main_context_pop_thread_default(d->ctx);
+		}
+	}
+	else {
+		if (!d->ctx_is_default) {
+			g_main_context_push_thread_default(d->ctx);
+			d->ctx_is_default = true;
+		}
+	}
 }