diff options
Diffstat (limited to 'src/widgets/kernel/qwidgetwindow.cpp')
| -rw-r--r-- | src/widgets/kernel/qwidgetwindow.cpp | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/src/widgets/kernel/qwidgetwindow.cpp b/src/widgets/kernel/qwidgetwindow.cpp index b9a67edc6a..24f8c5ce43 100644 --- a/src/widgets/kernel/qwidgetwindow.cpp +++ b/src/widgets/kernel/qwidgetwindow.cpp @@ -893,7 +893,7 @@ void QWidgetWindow::handleDragEnterEvent(QDragEnterEvent *event, QWidget *widget void QWidgetWindow::handleDragMoveEvent(QDragMoveEvent *event) { - auto *widget = findDnDTarget(m_widget, event->pos()); + QPointer<QWidget> widget = findDnDTarget(m_widget, event->pos()); if (!widget) { event->ignore(); if (m_dragTarget) { // Send DragLeave to previous @@ -916,14 +916,18 @@ void QWidgetWindow::handleDragMoveEvent(QDragMoveEvent *event) QGuiApplication::forwardEvent(m_dragTarget, &leaveEvent, event); m_dragTarget = nullptr; } - // Send DragEnter to new widget. - handleDragEnterEvent(static_cast<QDragEnterEvent*>(event), widget); - // Handling 'DragEnter' should suffice for the application. - translated.setDropAction(event->dropAction()); - translated.setAccepted(event->isAccepted()); - // The drag enter event is always immediately followed by a drag move event, - // see QDragEnterEvent documentation. - QGuiApplication::forwardEvent(m_dragTarget, &translated, event); + // widget might have been deleted when handling the leaveEvent + if (widget) { + // Send DragEnter to new widget. + handleDragEnterEvent(static_cast<QDragEnterEvent*>(event), widget); + // Handling 'DragEnter' should suffice for the application. + translated.setDropAction(event->dropAction()); + translated.setAccepted(event->isAccepted()); + // The drag enter event is always immediately followed by a drag move event, + // see QDragEnterEvent documentation. + if (m_dragTarget) + QGuiApplication::forwardEvent(m_dragTarget, &translated, event); + } } event->setAccepted(translated.isAccepted()); event->setDropAction(translated.dropAction()); |