diff options
Diffstat (limited to 'src/gui/kernel/qwindow.cpp')
| -rw-r--r-- | src/gui/kernel/qwindow.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp index 8e98958949..c94ea0922a 100644 --- a/src/gui/kernel/qwindow.cpp +++ b/src/gui/kernel/qwindow.cpp @@ -1814,6 +1814,15 @@ void QWindowPrivate::destroy() q->setVisible(false); + // Let subclasses act, typically by doing graphics resource cleaup, when + // the window, to which graphics resource may be tied, is going away. + // + // NB! This is disfunctional when destroy() is invoked from the dtor since + // a reimplemented event() will not get called in the subclasses at that + // stage. However, the typical QWindow cleanup involves either close() or + // going through QWindowContainer, both of which will do an explicit, early + // destroy(), which is good here. + QPlatformSurfaceEvent e(QPlatformSurfaceEvent::SurfaceAboutToBeDestroyed); QGuiApplication::sendEvent(q, &e); |