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xcb: Port XSync call in QXcbWindow::create to xcb

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QXcbConnection::sync is a full equivalent of calling XSync with false,
they both are sending GetInputFocus request and getting its reply

Pick-to: 6.4
Change-Id: I4f91b9447a02def41a8693a54312856b56e74811
Reviewed-by: Liang Qi <liang.qi@qt.io>
This commit is contained in:
Ilya Fedin 2022-06-20 23:01:52 +04:00 committed by Liang Qi
parent a79e2aafd6
commit 56a33edf2a
1 changed files with 1 additions and 3 deletions
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4
src/plugins/platforms/xcb/qxcbwindow.cpp
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@ -440,10 +440,8 @@ void QXcbWindow::create()
setWindowFlags(window()->flags());
setWindowTitle(window()->title());
#if QT_CONFIG(xcb_xlib)
// force sync to read outstanding requests - see QTBUG-29106
XSync(static_cast<Display*>(platformScreen->connection()->xlib_display()), false);
#endif
connection()->sync();
#if QT_CONFIG(draganddrop)
connection()->drag()->dndEnable(this, true);