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| author | Val Doroshchuk <valentyn.doroshchuk@qt.io> | 2018-09-19 13:56:50 +0200 |
|---|---|---|
| committer | VaL Doroshchuk <valentyn.doroshchuk@qt.io> | 2018-11-29 13:14:14 +0000 |
| commit | 2e86b652b789374ed9e0ddb15b0f60dd24b99fe8 (patch) | |
| tree | a0e16aa3c243695a985cd884be725b3861511592 /src/gui/kernel/qsimpledrag.cpp | |
| parent | 2a1c368c873afe9b222c759d4348b93beafca8ea (diff) | |
Fix crash in QSimpleDrag when no platform window
No need to return top level window if it was not created.
It means no platform resources have been allocated.
Events might not be delivered if the wrong window is returned.
Fixes: QTBUG-70544
Change-Id: I43462974f70871470f7b7490dc2b3c08846f77b1
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
Diffstat (limited to 'src/gui/kernel/qsimpledrag.cpp')
| -rw-r--r-- | src/gui/kernel/qsimpledrag.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gui/kernel/qsimpledrag.cpp b/src/gui/kernel/qsimpledrag.cpp index 2611dc8580..9aab332ef5 100644 --- a/src/gui/kernel/qsimpledrag.cpp +++ b/src/gui/kernel/qsimpledrag.cpp @@ -74,7 +74,7 @@ static QWindow* topLevelAt(const QPoint &pos) QWindowList list = QGuiApplication::topLevelWindows(); for (int i = list.count()-1; i >= 0; --i) { QWindow *w = list.at(i); - if (w->isVisible() && w->geometry().contains(pos) && !qobject_cast<QShapedPixmapWindow*>(w)) + if (w->isVisible() && w->handle() && w->geometry().contains(pos) && !qobject_cast<QShapedPixmapWindow*>(w)) return w; } return 0; |