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| author | Samuel Rødal <sroedal@trolltech.com> | 2009-11-05 15:55:36 (GMT) |
|---|---|---|
| committer | Samuel Rødal <sroedal@trolltech.com> | 2009-11-06 09:04:18 (GMT) |
| commit | 64d38ba23b4acc46fdb9145f1953315573e3f8dc (patch) | |
| tree | f8eaba3593f760100a02f9ff4af4975c0fa60aa9 /src/gui | |
| parent | 13cd3c7a8975fc6dc72719b5a78d55159ab777a3 (diff) | |
| download | Qt-64d38ba23b4acc46fdb9145f1953315573e3f8dc.zip Qt-64d38ba23b4acc46fdb9145f1953315573e3f8dc.tar.gz Qt-64d38ba23b4acc46fdb9145f1953315573e3f8dc.tar.bz2 | |
Fixed uninitialized background artifacts in QWidget::render.
We need to use isOpaque to check whether the widget has an opaque
background, it's not enough to just check the palette (it doesn't check
Qt::NoSystemBackground for example).
Task-number: QTBUG-5012
Reviewed-by: Gunnar Sletta
Diffstat (limited to 'src/gui')
| -rw-r--r-- | src/gui/kernel/qwidget.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp index 386bf71..271b939 100644 --- a/src/gui/kernel/qwidget.cpp +++ b/src/gui/kernel/qwidget.cpp @@ -5171,8 +5171,7 @@ void QWidgetPrivate::render_helper(QPainter *painter, const QPoint &targetOffset return; QPixmap pixmap(size); - if (!(renderFlags & QWidget::DrawWindowBackground) - || !q->palette().brush(q->backgroundRole()).isOpaque()) + if (!(renderFlags & QWidget::DrawWindowBackground) || !isOpaque) pixmap.fill(Qt::transparent); q->render(&pixmap, QPoint(), toBePainted, renderFlags); |