1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtQml module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
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30 ** Alternatively, this file may be used in accordance with the terms and
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40 ****************************************************************************/
42 #ifndef QQUICKWINDOW_H
43 #define QQUICKWINDOW_H
45 #include <QtQuick/qtquickglobal.h>
46 #include <QtCore/qmetatype.h>
47 #include <QtGui/qopengl.h>
48 #include <QtGui/qwindow.h>
49 #include <QtGui/qevent.h>
57 class QInputMethodEvent;
58 class QQuickWindowPrivate;
59 class QOpenGLFramebufferObject;
60 class QQmlIncubationController;
61 class QInputMethodEvent;
63 class Q_QUICK_EXPORT QQuickWindow : public QWindow
66 Q_PRIVATE_PROPERTY(QQuickWindow::d_func(), QQmlListProperty<QObject> data READ data DESIGNABLE false)
67 Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
68 Q_PROPERTY(QQuickItem* contentItem READ contentItem CONSTANT FINAL)
69 Q_CLASSINFO("DefaultProperty", "data")
70 Q_DECLARE_PRIVATE(QQuickWindow)
72 enum CreateTextureOption {
73 TextureHasAlphaChannel = 0x0001,
74 TextureHasMipmaps = 0x0002,
75 TextureOwnsGLTexture = 0x0004
78 Q_DECLARE_FLAGS(CreateTextureOptions, CreateTextureOption)
80 QQuickWindow(QWindow *parent = 0);
82 virtual ~QQuickWindow();
84 QQuickItem *contentItem() const;
85 //XXX rootItem renamed contentItem - this function must be removed before 5.0
86 QQuickItem *rootItem() const { return contentItem(); }
88 QQuickItem *activeFocusItem() const;
89 QObject *focusObject() const;
91 QQuickItem *mouseGrabberItem() const;
93 bool sendEvent(QQuickItem *, QEvent *);
97 void setRenderTarget(QOpenGLFramebufferObject *fbo);
98 QOpenGLFramebufferObject *renderTarget() const;
100 void setRenderTarget(uint fboId, const QSize &size);
101 uint renderTargetId() const;
102 QSize renderTargetSize() const;
104 QQmlIncubationController *incubationController() const;
106 #ifndef QT_NO_ACCESSIBILITY
107 virtual QAccessibleInterface *accessibleRoot() const;
110 // Scene graph specific functions
111 QSGTexture *createTextureFromImage(const QImage &image) const;
112 QSGTexture *createTextureFromId(uint id, const QSize &size, CreateTextureOptions options = CreateTextureOption(0)) const;
114 void setClearBeforeRendering(bool enabled);
115 bool clearBeforeRendering() const;
117 void setColor(const QColor &color);
118 QColor color() const;
120 void setPersistentOpenGLContext(bool persistent);
121 bool isPersistentOpenGLContext() const;
123 void setPersistentSceneGraph(bool persistent);
124 bool isPersistentSceneGraph() const;
126 QOpenGLContext *openglContext() const;
130 void sceneGraphInitialized();
131 void sceneGraphInvalidated();
132 void beforeSynchronizing();
133 void beforeRendering();
134 void afterRendering();
135 void colorChanged(const QColor &);
139 void releaseResources();
142 QQuickWindow(QQuickWindowPrivate &dd, QWindow *parent = 0);
144 virtual void exposeEvent(QExposeEvent *);
145 virtual void resizeEvent(QResizeEvent *);
147 virtual void showEvent(QShowEvent *);
148 virtual void hideEvent(QHideEvent *);
150 virtual void focusInEvent(QFocusEvent *);
151 virtual void focusOutEvent(QFocusEvent *);
153 virtual bool event(QEvent *);
154 virtual void keyPressEvent(QKeyEvent *);
155 virtual void keyReleaseEvent(QKeyEvent *);
156 virtual void mousePressEvent(QMouseEvent *);
157 virtual void mouseReleaseEvent(QMouseEvent *);
158 virtual void mouseDoubleClickEvent(QMouseEvent *);
159 virtual void mouseMoveEvent(QMouseEvent *);
160 #ifndef QT_NO_WHEELEVENT
161 virtual void wheelEvent(QWheelEvent *);
166 void cleanupSceneGraph();
169 friend class QQuickItem;
170 friend class QQuickWindowRenderLoop;
171 Q_DISABLE_COPY(QQuickWindow)
176 Q_DECLARE_METATYPE(QQuickWindow *)
180 #endif // QQUICKWINDOW_H