diff options
-rw-r--r-- | src/gui/painting/qwindowsurface_raster.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gui/painting/qwindowsurface_raster.cpp b/src/gui/painting/qwindowsurface_raster.cpp index 409d297..7fe5478 100644 --- a/src/gui/painting/qwindowsurface_raster.cpp +++ b/src/gui/painting/qwindowsurface_raster.cpp @@ -128,7 +128,7 @@ QPaintDevice *QRasterWindowSurface::paintDevice() void QRasterWindowSurface::beginPaint(const QRegion &rgn) { #if (defined(Q_WS_X11) && !defined(QT_NO_XRENDER)) || (defined(Q_WS_WIN) && !defined(Q_OS_WINCE)) - if (!qt_widget_private(window())->isOpaque) { + if (!qt_widget_private(window())->isOpaque && window()->testAttribute(Qt::WA_TranslucentBackground)) { #if defined(Q_WS_WIN) && !defined(Q_OS_WINCE) if (d_ptr->image->image.format() != QImage::Format_ARGB32_Premultiplied && d_ptr->canUseLayeredWindow) @@ -160,7 +160,7 @@ void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoi QRect br = rgn.boundingRect(); #ifndef Q_OS_WINCE - if (!qt_widget_private(window())->isOpaque && d->canUseLayeredWindow) { + if (!qt_widget_private(window())->isOpaque && d->canUseLayeredWindow && window()->testAttribute(Qt::WA_TranslucentBackground)) { QRect r = window()->frameGeometry(); QPoint frameOffset = qt_widget_private(window())->frameStrut().topLeft(); QRect dirtyRect = br.translated(offset + frameOffset); |