diff options
| author | Friedemann Kleint <Friedemann.Kleint@digia.com> | 2014-01-31 13:22:24 +0100 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-01-31 18:28:11 +0100 |
| commit | 65b26acb7c86b8d278c4edb8308b09520ae09c9f (patch) | |
| tree | a90afd64732ea7112eb965baa30b37685e89fd3e /src/widgets/kernel/qwidgetwindow.cpp | |
| parent | 4dcb607aa96e8a5d05b483236417e171bbe06ff6 (diff) | |
Prevent crash and emit warning when receiving bogus drop events.
Task-number: QTBUG-33635
Change-Id: I6d436bc4d47d1d6b063fc2cf27d67fe4684e7491
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Diffstat (limited to 'src/widgets/kernel/qwidgetwindow.cpp')
| -rw-r--r-- | src/widgets/kernel/qwidgetwindow.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/widgets/kernel/qwidgetwindow.cpp b/src/widgets/kernel/qwidgetwindow.cpp index 1cf13c880b1..c7f8e181183 100644 --- a/src/widgets/kernel/qwidgetwindow.cpp +++ b/src/widgets/kernel/qwidgetwindow.cpp @@ -659,6 +659,11 @@ void QWidgetWindow::handleDragLeaveEvent(QDragLeaveEvent *event) void QWidgetWindow::handleDropEvent(QDropEvent *event) { + if (m_dragTarget.isNull()) { + qWarning() << Q_FUNC_INFO << m_widget << ": No drag target set."; + event->ignore(); + return; + } const QPoint mapped = m_dragTarget.data()->mapFromGlobal(m_widget->mapToGlobal(event->pos())); QDropEvent translated(mapped, event->possibleActions(), event->mimeData(), event->mouseButtons(), event->keyboardModifiers()); QGuiApplication::sendSpontaneousEvent(m_dragTarget.data(), &translated); |