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xcb: Fix logic for minimized state

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_NET_WM_STATE message can be received by a window in the minimized state.
Don't change the window state in this case.

Task-number: QTBUG-31117
Task-number: QTBUG-39376
Task-number: QTBUG-34430
Change-Id: Ic77a345e442891972b692803fab1e2f6aef30433
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
This commit is contained in:
Alexander Volkov 2014-09-26 13:03:19 +04:00 committed by Shawn Rutledge
parent dfe853bff9
commit 382b7afbe2
1 changed files with 4 additions and 0 deletions
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4
src/plugins/platforms/xcb/qxcbwindow.cpp
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@ -2106,7 +2106,11 @@ void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *ev
newState = Qt::WindowMinimized;
}
free(reply);
} else { // _NET_WM_STATE can't change minimized state
if (m_lastWindowStateEvent == Qt::WindowMinimized)
newState = Qt::WindowMinimized;
}
if (newState != Qt::WindowMinimized) { // Something else changed, get _NET_WM_STATE.
const NetWmStates states = netWmStates();
if ((states & NetWmStateMaximizedHorz) && (states & NetWmStateMaximizedVert))