diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowswindow.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowswindow.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp index 9459e8bdfd3..f96f154f5b1 100644 --- a/src/plugins/platforms/windows/qwindowswindow.cpp +++ b/src/plugins/platforms/windows/qwindowswindow.cpp @@ -4035,10 +4035,13 @@ void QWindowsWindow::requestUpdate() // the Posted event on the GUI thread. if (m_vsyncUpdatePending.testAndSetAcquire(UpdateState::Requested, UpdateState::Posted)) { QWindowsWindow *oldSelf = this; - QMetaObject::invokeMethod(w, [w, oldSelf] { + qsizetype oldCallbackId = m_vsyncServiceCallbackId; + QMetaObject::invokeMethod(w, [w, oldSelf, oldCallbackId] { // 'oldSelf' is only used for comparison, don't access it directly! auto *self = static_cast<QWindowsWindow *>(w->handle()); - if (self && self == oldSelf) { + // NOTE: In the off chance that the window got destroyed and recreated with the + // same address, we also check that the callback id is the same. + if (self && self == oldSelf && self->m_vsyncServiceCallbackId == oldCallbackId) { // The platform window is still alive self->m_vsyncUpdatePending.storeRelease(UpdateState::Ready); self->deliverUpdateRequest(); |
