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qwidgetwindow.cpp 32.00 KiB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the QtWidgets module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.  For licensing terms and
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** conditions see http://qt.digia.com/licensing.  For further information
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** use the contact form at http://qt.digia.com/contact-us.
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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, Digia gives you certain additional
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** rights.  These rights are described in the Digia 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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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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 "private/qwindow_p.h"
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#include "qwidgetwindow_p.h"
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#include "private/qwidget_p.h"
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#include "private/qapplication_p.h"
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#ifndef QT_NO_ACCESSIBILITY
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#include <QtGui/qaccessible.h>
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#endif
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#include <private/qwidgetbackingstore_p.h>
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#include <qpa/qwindowsysteminterface_p.h>
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#include <qpa/qplatformtheme.h>
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#include <qpa/qplatformwindow.h>
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#include <private/qgesturemanager_p.h>
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QT_BEGIN_NAMESPACE
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Q_WIDGETS_EXPORT extern bool qt_tab_all_widgets();
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QWidget *qt_button_down = 0; // widget got last button-down
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static QPointer<QWidget> qt_tablet_target = 0;
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// popup control
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QWidget *qt_popup_down = 0; // popup that contains the pressed widget
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extern int openPopupCount;
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bool qt_replay_popup_mouse_event = false;
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extern bool qt_try_modal(QWidget *widget, QEvent::Type type);
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class QWidgetWindowPrivate : public QWindowPrivate
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{
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Q_DECLARE_PUBLIC(QWidgetWindow) public: QWindow *eventReceiver() { Q_Q(QWidgetWindow); QWindow *w = q; while (w->parent() && qobject_cast<QWidgetWindow *>(w) && qobject_cast<QWidgetWindow *>(w->parent())) { w = w->parent(); } return w; } void clearFocusObject() { if (QApplicationPrivate::focus_widget) QApplicationPrivate::focus_widget->clearFocus(); } }; QWidgetWindow::QWidgetWindow(QWidget *widget) : QWindow(*new QWidgetWindowPrivate(), 0) , m_widget(widget) { updateObjectName(); // Enable QOpenGLWidget/QQuickWidget children if the platform plugin supports it, // and the application developer has not explicitly disabled it. if (QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::RasterGLSurface) && !QApplication::testAttribute(Qt::AA_ForceRasterWidgets)) { setSurfaceType(QSurface::RasterGLSurface); } connect(m_widget, &QObject::objectNameChanged, this, &QWidgetWindow::updateObjectName); connect(this, SIGNAL(screenChanged(QScreen*)), this, SLOT(handleScreenChange())); } QWidgetWindow::~QWidgetWindow() { } #ifndef QT_NO_ACCESSIBILITY QAccessibleInterface *QWidgetWindow::accessibleRoot() const { if (m_widget) return QAccessible::queryAccessibleInterface(m_widget); return 0; } #endif QObject *QWidgetWindow::focusObject() const { QWidget *widget = m_widget->focusWidget(); if (!widget) widget = m_widget; return widget; } bool QWidgetWindow::event(QEvent *event) { if (m_widget->testAttribute(Qt::WA_DontShowOnScreen)) { // \a event is uninteresting for QWidgetWindow, the event was probably // generated before WA_DontShowOnScreen was set return m_widget->event(event); } switch (event->type()) { case QEvent::Close: handleCloseEvent(static_cast<QCloseEvent *>(event)); return true;