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authorQt Forward Merge Bot <qt_forward_merge_bot@qt-project.org>2018-02-28 20:38:46 +0100
committerQt Forward Merge Bot <qt_forward_merge_bot@qt-project.org>2018-02-28 20:38:47 +0100
commit699a263b29edc26473948d6638232b675409338b (patch)
tree0699b08ad6e6055bf3534f69a30e34e4127371a1 /src/plugins/platforms/cocoa
parent96ffe48add521e29d883814a35b1130b9dfdd636 (diff)
parent5d365b96b9a9d8585a0be5cc1c2376b7b2f27101 (diff)
Merge remote-tracking branch 'origin/5.11' into dev
Diffstat (limited to 'src/plugins/platforms/cocoa')
-rw-r--r--src/plugins/platforms/cocoa/qcocoawindow.mm5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoawindow.mm b/src/plugins/platforms/cocoa/qcocoawindow.mm
index 3bc9055650..0ece15d1fa 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
+++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
@@ -1257,6 +1257,11 @@ void QCocoaWindow::recreateWindowIfNeeded()
if ((isContentView() && !shouldBeContentView) || (recreateReason & PanelChanged)) {
if (m_nsWindow) {
qCDebug(lcQpaCocoaWindow) << "Getting rid of existing window" << m_nsWindow;
+ if (m_nsWindow.observationInfo) {
+ qCCritical(lcQpaCocoaWindow) << m_nsWindow << "has active key-value observers (KVO)!"
+ << "These will stop working now that the window is recreated, and will result in exceptions"
+ << "when the observers are removed. Break in QCocoaWindow::recreateWindowIfNeeded to debug.";
+ }
[m_nsWindow closeAndRelease];
if (isContentView()) {
// We explicitly disassociate m_view from the window's contentView,