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qquickwidget_p.h

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQuick module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see https://www.qt.io/terms-conditions. For further-
15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
34** https://www.gnu.org/licenses/gpl-3.0.html.-
35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#ifndef QQUICKWIDGET_P_H-
41#define QQUICKWIDGET_P_H-
42-
43//-
44// W A R N I N G-
45// --------------
46//-
47// This file is not part of the Qt API. It exists purely as an-
48// implementation detail. This header file may change from version to-
49// version without notice, or even be removed.-
50//-
51// We mean it.-
52//-
53-
54#include "qquickwidget.h"-
55#include <private/qwidget_p.h>-
56-
57#include <QtCore/qurl.h>-
58#include <QtCore/qelapsedtimer.h>-
59#include <QtCore/qtimer.h>-
60#include <QtCore/qpointer.h>-
61#include <QtCore/QWeakPointer>-
62-
63#include <QtQml/qqmlengine.h>-
64-
65#include "private/qquickitemchangelistener_p.h"-
66-
67QT_BEGIN_NAMESPACE-
68-
69class QQmlContext;-
70class QQmlError;-
71class QQuickItem;-
72class QQmlComponent;-
73class QQuickRenderControl;-
74class QOpenGLContext;-
75class QOffscreenSurface;-
76-
77class QQuickWidgetPrivate-
78 : public QWidgetPrivate,-
79 public QQuickItemChangeListener-
80{-
81 Q_DECLARE_PUBLIC(QQuickWidget)-
82public:-
83 static QQuickWidgetPrivate* get(QQuickWidget *view) { return view->d_func(); }
never executed: return view->d_func();
0
84 static const QQuickWidgetPrivate* get(const QQuickWidget *view) { return view->d_func(); }
never executed: return view->d_func();
0
85-
86 QQuickWidgetPrivate();-
87 ~QQuickWidgetPrivate();-
88-
89 void execute();-
90 void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &oldGeometry) override;-
91 void initResize();-
92 void updateSize();-
93 void updatePosition();-
94 void updateFrambufferObjectSize();-
95 void setRootObject(QObject *);-
96 void render(bool needsSync);-
97 void renderSceneGraph();-
98 void createContext();-
99 void destroyContext();-
100 void handleContextCreationFailure(const QSurfaceFormat &format, bool isEs);-
101-
102#if QT_CONFIG(opengl)-
103 GLuint textureId() const override;-
104 QImage grabFramebuffer() override;-
105#else-
106 QImage grabFramebuffer();-
107#endif-
108-
109 void init(QQmlEngine* e = 0);-
110 void ensureEngine() const;-
111 void handleWindowChange();-
112 void invalidateRenderControl();-
113-
114 QSize rootObjectSize() const;-
115-
116 QPointer<QQuickItem> root;-
117-
118 QUrl source;-
119-
120 mutable QPointer<QQmlEngine> engine;-
121 QQmlComponent *component;-
122 QBasicTimer resizetimer;-
123 QQuickWindow *offscreenWindow;-
124 QOffscreenSurface *offscreenSurface;-
125 QQuickRenderControl *renderControl;-
126-
127#if QT_CONFIG(opengl)-
128 QOpenGLFramebufferObject *fbo;-
129 QOpenGLFramebufferObject *resolvedFbo;-
130 QOpenGLContext *context;-
131#endif-
132-
133 QQuickWidget::ResizeMode resizeMode;-
134 QSize initialSize;-
135 QElapsedTimer frameTimer;-
136-
137 QBasicTimer updateTimer;-
138 bool eventPending;-
139 bool updatePending;-
140 bool fakeHidden;-
141-
142 int requestedSamples;-
143-
144 bool useSoftwareRenderer;-
145 QImage softwareImage;-
146 QRegion updateRegion;-
147 bool forceFullUpdate;-
148};-
149-
150QT_END_NAMESPACE-
151-
152#endif // QQuickWidget_P_H-
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