Diffstat (limited to 'qt/qt-2.3.7.patch/qte237-iconviewspeed.patch') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | qt/qt-2.3.7.patch/qte237-iconviewspeed.patch | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/qt/qt-2.3.7.patch/qte237-iconviewspeed.patch b/qt/qt-2.3.7.patch/qte237-iconviewspeed.patch new file mode 100644 index 0000000..63e45ec --- a/dev/null +++ b/qt/qt-2.3.7.patch/qte237-iconviewspeed.patch @@ -0,0 +1,149 @@ +Speed up patches backported from + +http://robotics.dei.unipd.it/~koral/KDE/kflicker.html + +and + +http://lists.kde.org/?l=kde-optimize&m=105382164111363&w=2 (complete thread) + + + + +diff -u qt-2.3.7_old/src/iconview/qiconview.cpp qt-2.3.7/src/iconview/qiconview.cpp +--- qt-2.3.7_old/src/iconview/qiconview.cpp 2004-06-13 22:29:56.000000000 +0200 ++++ qt-2.3.7/src/iconview/qiconview.cpp 2004-06-13 22:33:32.000000000 +0200 +@@ -1,5 +1,5 @@ + /**************************************************************************** +-** $Id$ ++** $Id$ + ** + ** Implementation of QIconView widget class + ** +@@ -220,6 +220,7 @@ + QIconView::SelectionMode selectionMode; + QIconViewItem *currentItem, *tmpCurrentItem, *highlightedItem, *startDragItem, *pressedItem, *selectAnchor; + QRect *rubber; ++ QPixmap *backBuffer; + QTimer *scrollTimer, *adjustTimer, *updateTimer, *inputTimer, + *fullRedrawTimer; + int rastX, rastY, spacing; +@@ -2263,6 +2264,7 @@ + d->currentItem = 0; + d->highlightedItem = 0; + d->rubber = 0; ++ d->backBuffer = 0; + d->scrollTimer = 0; + d->startDragItem = 0; + d->tmpCurrentItem = 0; +@@ -2411,6 +2413,8 @@ + delete item; + item = tmp; + } ++ delete d->backBuffer; ++ d->backBuffer = 0; + delete d->fm; + d->fm = 0; + #ifndef QT_NO_TOOLTIP +@@ -2877,6 +2881,48 @@ + } + + /*! ++ 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 childs). ++ ++ \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 hysteesis). 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 + */ + +@@ -4855,7 +4901,7 @@ + if ( !d->rubber ) + drawDragShapes( d->oldDragPos ); + } +- viewportPaintEvent( (QPaintEvent*)e ); ++ bufferedPaintEvent ((QPaintEvent*)e ); + if ( d->dragging ) { + if ( !d->rubber ) + drawDragShapes( d->oldDragPos ); +@@ -5286,11 +5332,19 @@ + return; + + if ( item->d->container1 && d->firstContainer ) { +- item->d->container1->items.removeRef( item ); ++ //Special-case checking of the last item, since this may be ++ //called a few times for the same item. ++ if (item->d->container1->items.last() == item) ++ item->d->container1->items.removeLast(); ++ else ++ item->d->container1->items.removeRef( item ); + } + item->d->container1 = 0; + if ( item->d->container2 && d->firstContainer ) { +- item->d->container2->items.removeRef( item ); ++ if (item->d->container2->items.last() == item) ++ item->d->container2->items.removeLast(); ++ else ++ item->d->container2->items.removeRef( item ); + } + item->d->container2 = 0; + +diff -u qt-2.3.7_old/src/iconview/qiconview.h qt-2.3.7/src/iconview/qiconview.h +--- qt-2.3.7_old/src/iconview/qiconview.h 2004-06-13 22:29:56.000000000 +0200 ++++ qt-2.3.7/src/iconview/qiconview.h 2004-06-13 22:33:32.000000000 +0200 +@@ -444,6 +444,7 @@ + virtual void contentsDropEvent( QDropEvent *e ); + #endif + ++ void bufferedPaintEvent( QPaintEvent* ); + virtual void resizeEvent( QResizeEvent* e ); + virtual void keyPressEvent( QKeyEvent *e ); + virtual void focusInEvent( QFocusEvent *e ); +--- qt-2.3.7-old/src/widgets/qscrollview.cpp 2004-07-23 15:22:56.000000000 +0200 ++++ qt-2.3.7/src/widgets/qscrollview.cpp 2004-07-23 19:23:10.000000000 +0200 +@@ -1266,6 +1277,9 @@ + case QEvent::LayoutHint: + d->autoResizeHint(this); + break; ++ case QEvent::WindowActivate: ++ case QEvent::WindowDeactivate: ++ return TRUE; + default: + break; + } |