diff options
Diffstat (limited to 'src/widgets/kernel/qapplication.cpp')
-rw-r--r-- | src/widgets/kernel/qapplication.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp index d558813f8e..098a439a05 100644 --- a/src/widgets/kernel/qapplication.cpp +++ b/src/widgets/kernel/qapplication.cpp @@ -2221,12 +2221,17 @@ Q_WIDGETS_EXPORT bool qt_tryModalHelper(QWidget *widget, QWidget **rettop) bool QApplicationPrivate::isBlockedByModal(QWidget *widget) { widget = widget->window(); - return self->isWindowBlocked(widget->windowHandle()); + QWindow *window = widget->windowHandle(); + return window && self->isWindowBlocked(window); } bool QApplicationPrivate::isWindowBlocked(QWindow *window, QWindow **blockingWindow) const { QWindow *unused = 0; + if (!window) { + qWarning().nospace() << "window == 0 passed."; + return false; + } if (!blockingWindow) blockingWindow = &unused; |