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winrt: Handle expose event before removing window 

QWindow should get an expose event before being hidden. handleExpose
iterates over the list of visible windows, so it has to be called before
the window is removed from the list of visible windows.

Change-Id: Ide920ade43c057b9aafdf9fdfa2d54d3336289d8
Reviewed-by: Andre de la Rocha <andre.rocha@qt.io>
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>
bb10
Oliver Wolff 2018-05-07 15:26:36 +02:00
parent 1b0fe8b953
commit f5a56981cd
1 changed files with 2 additions and 1 deletions
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3
src/plugins/platforms/winrt/qwinrtscreen.cpp
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@ -862,6 +862,8 @@ void QWinRTScreen::removeWindow(QWindow *window)
Q_D(QWinRTScreen);
qCDebug(lcQpaWindows) << __FUNCTION__ << window;
handleExpose();
const bool wasTopWindow = window == topWindow();
if (!d->visibleWindows.removeAll(window))
return;
@ -869,7 +871,6 @@ void QWinRTScreen::removeWindow(QWindow *window)
const Qt::WindowType type = window->type();
if (wasTopWindow && type != Qt::Popup && type != Qt::ToolTip && type != Qt::Tool)
QWindowSystemInterface::handleWindowActivated(nullptr, Qt::OtherFocusReason);
handleExpose();
QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents);
#ifndef QT_NO_DRAGANDDROP
if (wasTopWindow)