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**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKWINDOW_H
#define QQUICKWINDOW_H
#include <QtQuick/qtquickglobal.h>
#include <QtCore/qmetatype.h>
#include <QtGui/qopengl.h>
#include <QtGui/qwindow.h>
#include <QtGui/qevent.h>
QT_BEGIN_NAMESPACE
class QQuickItem;
class QSGTexture;
class QInputMethodEvent;
class QQuickWindowPrivate;
class QOpenGLFramebufferObject;
class QQmlIncubationController;
class QInputMethodEvent;
class QQuickCloseEvent;
class Q_QUICK_EXPORT QQuickWindow : public QWindow
{
Q_OBJECT
Q_PRIVATE_PROPERTY(QQuickWindow::d_func(), QQmlListProperty<QObject> data READ data DESIGNABLE false)
Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
Q_PROPERTY(QQuickItem* contentItem READ contentItem CONSTANT)
Q_PROPERTY(QQuickItem* activeFocusItem READ activeFocusItem NOTIFY activeFocusItemChanged REVISION 1)
Q_CLASSINFO("DefaultProperty", "data")
Q_DECLARE_PRIVATE(QQuickWindow)
public:
enum CreateTextureOption {
TextureHasAlphaChannel = 0x0001,
TextureHasMipmaps = 0x0002,
TextureOwnsGLTexture = 0x0004,
TextureCanUseAtlas = 0x0008
};
Q_DECLARE_FLAGS(CreateTextureOptions, CreateTextureOption)
QQuickWindow(QWindow *parent = 0);
virtual ~QQuickWindow();
QQuickItem *contentItem() const;
QQuickItem *activeFocusItem() const;
QObject *focusObject() const;
QQuickItem *mouseGrabberItem() const;
bool sendEvent(QQuickItem *, QEvent *);
QImage grabWindow();
void setRenderTarget(QOpenGLFramebufferObject *fbo);
QOpenGLFramebufferObject *renderTarget() const;
void setRenderTarget(uint fboId, const QSize &size);
uint renderTargetId() const;
QSize renderTargetSize() const;
void resetOpenGLState();
QQmlIncubationController *incubationController() const;
#ifndef QT_NO_ACCESSIBILITY
virtual QAccessibleInterface *accessibleRoot() const;
#endif
// Scene graph specific functions
QSGTexture *createTextureFromImage(const QImage &image) const;
QSGTexture *createTextureFromImage(const QImage &image, CreateTextureOptions options) const;
QSGTexture *createTextureFromId(uint id, const QSize &size, CreateTextureOptions options = CreateTextureOption(0)) const;
void setClearBeforeRendering(bool enabled);
bool clearBeforeRendering() const;
void setColor(const QColor &color);
QColor color() const;
static bool hasDefaultAlphaBuffer();
static void setDefaultAlphaBuffer(bool useAlpha);
void setPersistentOpenGLContext(bool persistent);
bool isPersistentOpenGLContext() const;
void setPersistentSceneGraph(bool persistent);
bool isPersistentSceneGraph() const;
QOpenGLContext *openglContext() const;
Q_SIGNALS:
void frameSwapped();
void sceneGraphInitialized();
void sceneGraphInvalidated();
void beforeSynchronizing();
void beforeRendering();
void afterRendering();
Q_REVISION(1) void closing(QQuickCloseEvent *close);
void colorChanged(const QColor &);
Q_REVISION(1) void activeFocusItemChanged();
public Q_SLOTS:
void update();
void releaseResources();
protected:
QQuickWindow(QQuickWindowPrivate &dd, QWindow *parent = 0);
virtual void exposeEvent(QExposeEvent *);
virtual void resizeEvent(QResizeEvent *);
virtual void showEvent(QShowEvent *);
virtual void hideEvent(QHideEvent *);
// TODO Qt 6: reimplement QWindow::closeEvent to emit closing
virtual void focusInEvent(QFocusEvent *);
virtual void focusOutEvent(QFocusEvent *);
virtual bool event(QEvent *);
virtual void keyPressEvent(QKeyEvent *);
virtual void keyReleaseEvent(QKeyEvent *);
virtual void mousePressEvent(QMouseEvent *);
virtual void mouseReleaseEvent(QMouseEvent *);
virtual void mouseDoubleClickEvent(QMouseEvent *);
virtual void mouseMoveEvent(QMouseEvent *);
#ifndef QT_NO_WHEELEVENT
virtual void wheelEvent(QWheelEvent *);
#endif
private Q_SLOTS:
void maybeUpdate();
void cleanupSceneGraph();
void forcePolish();
void setTransientParent_helper(QQuickWindow *window);
private:
friend class QQuickItem;
friend class QQuickAnimatorController;
Q_DISABLE_COPY(QQuickWindow)
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QQuickWindow *)
#endif // QQUICKWINDOW_H
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