diff options
Diffstat (limited to 'src/gui/painting/qbackingstore.cpp')
| -rw-r--r-- | src/gui/painting/qbackingstore.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/gui/painting/qbackingstore.cpp b/src/gui/painting/qbackingstore.cpp index 83751ed..446c867 100644 --- a/src/gui/painting/qbackingstore.cpp +++ b/src/gui/painting/qbackingstore.cpp @@ -353,8 +353,10 @@ void QWidgetBackingStore::beginPaint(QRegion &toClean, QWidget *widget, QWindowS dirtyOnScreen += toClean; #ifdef Q_WS_QWS +#ifndef Q_BACKINGSTORE_SUBSURFACES toClean.translate(tlwOffset); #endif +#endif #ifdef QT_NO_PAINT_DEBUG windowSurface->beginPaint(toClean); @@ -1294,7 +1296,12 @@ void QWidgetBackingStore::sync() #ifdef Q_BACKINGSTORE_SUBSURFACES QWindowSurface *subSurface = w->windowSurface(); BeginPaintInfo beginPaintInfo; - beginPaint(toBePainted, w, subSurface, &beginPaintInfo, false); + + QPoint off = w->mapTo(tlw, QPoint()); + toBePainted.translate(off); + beginPaint(toBePainted, w, subSurface, &beginPaintInfo, true); + toBePainted.translate(-off); + if (beginPaintInfo.nothingToPaint) continue; |