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XCB: Unset the connection's mousePressWindow if it's this window

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In some rare cases it can delete the window before this is handled by
other calls, so rather than crashing we clean up.

Pick-to: 6.5 6.2 5.15
Change-Id: Iddcd9890f0c13f4130626b0ed9c5b32f5890208d
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
(cherry picked from commit b8f9a8681347476f4db1719b38a67d7f9d3c74be)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
(cherry picked from commit be78514b206aff3152a239c188fcc4e7aba5439a)
This commit is contained in:
Andy Shaw 2024-03-07 08:27:24 +01:00 committed by Qt Cherry-pick Bot
parent 0c661c1528
commit a86cd4dbee
1 changed files with 2 additions and 0 deletions
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2
src/plugins/platforms/xcb/qxcbwindow.cpp
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@ -540,6 +540,8 @@ void QXcbWindow::destroy()
doFocusOut();
if (connection()->mouseGrabber() == this)
connection()->setMouseGrabber(nullptr);
if (connection()->mousePressWindow() == this)
connection()->setMousePressWindow(nullptr);
if (m_syncCounter && connection()->hasXSync())
xcb_sync_destroy_counter(xcb_connection(), m_syncCounter);