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replay mouse press event after a popup widget has been closed

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If a popup widget(e.g. a popup menu) has been closed due to a mouse press
event, the mouse press event will be consumed by the popup widget and the
widget under the mouse pointer can't receive the event. This will lead to
confusing behavior such as a push button under the mouse pointer is not
been push down.
This patch replay the mouse press event if a popup widget has been closed.

Change-Id: Id493583dfea9e64ab2964e28d559122c43bbc2a6
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
This commit is contained in:
Jian Liang 2013-02-06 12:38:24 +08:00 committed by The Qt Project
parent 9253509f3e
commit a65157e5b7
1 changed files with 15 additions and 0 deletions
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15
src/widgets/kernel/qwidgetwindow.cpp
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@ -352,6 +352,21 @@ void QWidgetWindow::handleMouseEvent(QMouseEvent *event)
&& qt_replay_popup_mouse_event) {
if (m_widget->windowType() != Qt::Popup)
qt_button_down = 0;
if (event->type() == QEvent::MouseButtonPress) {
// the popup disappeared, replay the mouse press event
QWidget *w = QApplication::widgetAt(event->globalPos());
if (w && !QApplicationPrivate::isBlockedByModal(w)) {
QWindow *win = w->windowHandle();
if (!win)
win = w->nativeParentWidget()->windowHandle();
if (win && win->geometry().contains(event->globalPos())) {
const QPoint localPos = win->mapFromGlobal(event->globalPos());
QMouseEvent e(QEvent::MouseButtonPress, localPos, localPos, event->globalPos(), event->button(), event->buttons(), event->modifiers());
e.setTimestamp(event->timestamp());
QApplication::sendSpontaneousEvent(win, &e);
}
}
}
qt_replay_popup_mouse_event = false;
#ifndef QT_NO_CONTEXTMENU
} else if (event->type() == QEvent::MouseButtonPress