274 lines
8.7 KiB
C++
274 lines
8.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qwidgetwindow_qpa_p.h"
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#include "private/qwidget_p.h"
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#include "private/qapplication_p.h"
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QT_BEGIN_NAMESPACE
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QWidget *qt_button_down = 0; // widget got last button-down
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// popup control
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static QWidget *qt_popup_down = 0; // popup that contains the pressed widget
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extern int openPopupCount;
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static bool replayPopupMouseEvent = false;
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QWidgetWindow::QWidgetWindow(QWidget *widget)
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: m_widget(widget)
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{
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}
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bool QWidgetWindow::event(QEvent *event)
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{
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switch (event->type()) {
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case QEvent::Close:
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handleCloseEvent(static_cast<QCloseEvent *>(event));
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return true;
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case QEvent::Enter:
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case QEvent::Leave:
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handleEnterLeaveEvent(event);
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return true;
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case QEvent::KeyPress:
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case QEvent::KeyRelease:
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handleKeyEvent(static_cast<QKeyEvent *>(event));
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return true;
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case QEvent::MouseMove:
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case QEvent::MouseButtonPress:
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case QEvent::MouseButtonRelease:
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case QEvent::MouseButtonDblClick:
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handleMouseEvent(static_cast<QMouseEvent *>(event));
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return true;
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case QEvent::Move:
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handleMoveEvent(static_cast<QMoveEvent *>(event));
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return true;
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case QEvent::Resize:
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handleResizeEvent(static_cast<QResizeEvent *>(event));
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return true;
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case QEvent::Wheel:
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handleWheelEvent(static_cast<QWheelEvent *>(event));
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return true;
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default:
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break;
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}
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return m_widget->event(event) || QWindow::event(event);
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}
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QPointer<QWidget> qt_last_mouse_receiver = 0;
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void QWidgetWindow::handleEnterLeaveEvent(QEvent *event)
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{
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if (event->type() == QEvent::Leave) {
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QWidget *leave = qt_last_mouse_receiver ? qt_last_mouse_receiver.data() : m_widget;
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QApplicationPrivate::dispatchEnterLeave(0, leave);
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qt_last_mouse_receiver = 0;
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} else {
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QApplicationPrivate::dispatchEnterLeave(m_widget, 0);
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qt_last_mouse_receiver = m_widget;
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}
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}
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void QWidgetWindow::handleMouseEvent(QMouseEvent *event)
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{
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if (qApp->d_func()->inPopupMode()) {
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QWidget *activePopupWidget = qApp->activePopupWidget();
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QWidget *popup = activePopupWidget;
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QPoint mapped = event->pos();
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if (popup != m_widget)
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mapped = popup->mapFromGlobal(event->globalPos());
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bool releaseAfter = false;
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QWidget *popupChild = popup->childAt(mapped);
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if (popup != qt_popup_down) {
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qt_button_down = 0;
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qt_popup_down = 0;
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}
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switch (event->type()) {
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case QEvent::MouseButtonPress:
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case QEvent::MouseButtonDblClick:
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qt_button_down = popupChild;
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qt_popup_down = popup;
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break;
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case QEvent::MouseButtonRelease:
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releaseAfter = true;
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break;
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default:
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break; // nothing for mouse move
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}
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int oldOpenPopupCount = openPopupCount;
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if (popup->isEnabled()) {
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// deliver event
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replayPopupMouseEvent = false;
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QWidget *receiver = popup;
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QPoint widgetPos = mapped;
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if (qt_button_down)
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receiver = qt_button_down;
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else if (popupChild)
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receiver = popupChild;
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if (receiver != popup)
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widgetPos = receiver->mapFromGlobal(event->globalPos());
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QWidget *alien = m_widget->childAt(m_widget->mapFromGlobal(event->globalPos()));
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QMouseEvent e(event->type(), widgetPos, event->globalPos(), event->button(), event->buttons(), event->modifiers());
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QApplicationPrivate::sendMouseEvent(receiver, &e, alien, m_widget, &qt_button_down, qt_last_mouse_receiver);
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} else {
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// close disabled popups when a mouse button is pressed or released
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switch (event->type()) {
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case QEvent::MouseButtonPress:
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case QEvent::MouseButtonDblClick:
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case QEvent::MouseButtonRelease:
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popup->close();
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break;
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default:
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break;
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}
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}
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if (qApp->activePopupWidget() != activePopupWidget
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&& replayPopupMouseEvent) {
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if (m_widget->windowType() != Qt::Popup)
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qt_button_down = 0;
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replayPopupMouseEvent = false;
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} else if (event->type() == QEvent::MouseButtonPress
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&& event->button() == Qt::RightButton
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&& (openPopupCount == oldOpenPopupCount)) {
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QWidget *popupEvent = popup;
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if (qt_button_down)
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popupEvent = qt_button_down;
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else if(popupChild)
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popupEvent = popupChild;
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QContextMenuEvent e(QContextMenuEvent::Mouse, mapped, event->globalPos(), event->modifiers());
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QApplication::sendSpontaneousEvent(popupEvent, &e);
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}
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if (releaseAfter) {
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qt_button_down = 0;
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qt_popup_down = 0;
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}
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return;
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}
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// which child should have it?
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QWidget *widget = m_widget->childAt(event->pos());
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QPoint mapped = event->pos();
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if (widget) {
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mapped = widget->mapFrom(m_widget, event->pos());
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} else {
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widget = m_widget;
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}
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if (event->type() == QEvent::MouseButtonPress && !qt_button_down)
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qt_button_down = widget;
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QWidget *receiver = QApplicationPrivate::pickMouseReceiver(m_widget, event->globalPos(), mapped, event->type(), event->buttons(),
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qt_button_down, widget);
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if (!receiver) {
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if (event->type() == QEvent::MouseButtonRelease)
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QApplicationPrivate::mouse_buttons &= ~event->button();
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return;
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}
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QMouseEvent translated(event->type(), mapped, event->globalPos(), event->button(), event->buttons(), event->modifiers());
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QApplicationPrivate::sendMouseEvent(receiver, &translated, widget, m_widget, &qt_button_down,
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qt_last_mouse_receiver);
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if (event->type() == QEvent::MouseButtonPress && event->button() == Qt::RightButton) {
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QContextMenuEvent e(QContextMenuEvent::Mouse, mapped, event->globalPos(), event->modifiers());
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QGuiApplication::sendSpontaneousEvent(receiver, &e);
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}
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}
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void QWidgetWindow::handleKeyEvent(QKeyEvent *event)
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{
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QWidget *widget = m_widget->focusWidget();
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if (!widget)
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widget = m_widget;
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QGuiApplication::sendSpontaneousEvent(widget, event);
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}
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void QWidgetWindow::handleMoveEvent(QMoveEvent *event)
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{
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m_widget->data->crect = geometry();
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QGuiApplication::sendSpontaneousEvent(m_widget, event);
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}
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void QWidgetWindow::handleResizeEvent(QResizeEvent *event)
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{
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m_widget->data->crect = geometry();
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QGuiApplication::sendSpontaneousEvent(m_widget, event);
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}
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void QWidgetWindow::handleCloseEvent(QCloseEvent *)
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{
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m_widget->d_func()->close_helper(QWidgetPrivate::CloseWithSpontaneousEvent);
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}
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void QWidgetWindow::handleWheelEvent(QWheelEvent *event)
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{
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// which child should have it?
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QWidget *widget = m_widget->childAt(event->pos());
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if (!widget)
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widget = m_widget;
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QPoint mapped = widget->mapFrom(m_widget, event->pos());
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QWheelEvent translated(mapped, event->globalPos(), event->delta(), event->buttons(), event->modifiers(), event->orientation());
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QGuiApplication::sendSpontaneousEvent(widget, &translated);
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}
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QT_END_NAMESPACE
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