diff options
Diffstat (limited to 'src/widgets/kernel/qwidget_qpa.cpp')
-rw-r--r-- | src/widgets/kernel/qwidget_qpa.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/widgets/kernel/qwidget_qpa.cpp b/src/widgets/kernel/qwidget_qpa.cpp index 93234f3958..3b6127e4e7 100644 --- a/src/widgets/kernel/qwidget_qpa.cpp +++ b/src/widgets/kernel/qwidget_qpa.cpp @@ -148,10 +148,12 @@ void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyO QBackingStore *store = q->backingStore(); if (!store) { - if (win && q->windowType() != Qt::Desktop) - q->setBackingStore(new QBackingStore(win)); - else + if (win && q->windowType() != Qt::Desktop) { + if (q->isTopLevel()) + q->setBackingStore(new QBackingStore(win)); + } else { q->setAttribute(Qt::WA_PaintOnScreen, true); + } } setWindowModified_helper(); |