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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKWIDGET_P_H
#define QQUICKWIDGET_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qquickwidget.h"
#include <private/qwidget_p.h>
#include <QtCore/qurl.h>
#include <QtCore/qelapsedtimer.h>
#include <QtCore/qtimer.h>
#include <QtCore/qpointer.h>
#include <QtCore/QWeakPointer>
#include <QtQml/qqmlengine.h>
#include "private/qquickitemchangelistener_p.h"
QT_BEGIN_NAMESPACE
class QQmlContext;
class QQmlError;
class QQuickItem;
class QQmlComponent;
class QQuickRenderControl;
class QOpenGLContext;
class QOffscreenSurface;
class QQuickWidgetPrivate
: public QWidgetPrivate,
public QQuickItemChangeListener
{
Q_DECLARE_PUBLIC(QQuickWidget)
public:
static QQuickWidgetPrivate* get(QQuickWidget *view) { return view->d_func(); }
static const QQuickWidgetPrivate* get(const QQuickWidget *view) { return view->d_func(); }
QQuickWidgetPrivate();
~QQuickWidgetPrivate();
void execute();
void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &oldGeometry) override;
void initResize();
void updateSize();
void updatePosition();
void updateFrambufferObjectSize();
void setRootObject(QObject *);
void render(bool needsSync);
void renderSceneGraph();
void createContext();
void destroyContext();
void handleContextCreationFailure(const QSurfaceFormat &format, bool isEs);
#if QT_CONFIG(opengl)
GLuint textureId() const override;
QImage grabFramebuffer() override;
#else
QImage grabFramebuffer();
#endif
void init(QQmlEngine* e = 0);
void ensureEngine() const;
void handleWindowChange();
void invalidateRenderControl();
QSize rootObjectSize() const;
QPointer<QQuickItem> root;
QUrl source;
mutable QPointer<QQmlEngine> engine;
QQmlComponent *component;
QBasicTimer resizetimer;
QQuickWindow *offscreenWindow;
QOffscreenSurface *offscreenSurface;
QQuickRenderControl *renderControl;
#if QT_CONFIG(opengl)
QOpenGLFramebufferObject *fbo;
QOpenGLFramebufferObject *resolvedFbo;
QOpenGLContext *context;
#endif
QQuickWidget::ResizeMode resizeMode;
QSize initialSize;
QElapsedTimer frameTimer;
QBasicTimer updateTimer;
bool eventPending;
bool updatePending;
bool fakeHidden;
int requestedSamples;
bool useSoftwareRenderer;
QImage softwareImage;
QRegion updateRegion;
bool forceFullUpdate;
};
QT_END_NAMESPACE
#endif // QQuickWidget_P_H
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