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