examples/script/context2d/qcontext2dcanvas.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/script/context2d/qcontext2dcanvas.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCONTEXT2DCANVAS_H
+#define QCONTEXT2DCANVAS_H
+
+#include <qscriptengine.h>
+#include <qscriptcontext.h>
+#include <qscriptvalue.h>
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QPaintEvent;
+class QResizeEvent;
+class QMouseEvent;
+class QKeyEvent;
+QT_END_NAMESPACE
+class Environment;
+class Context2D;
+
+//! [0]
+class QContext2DCanvas : public QWidget
+{
+    Q_OBJECT
+public:
+    QContext2DCanvas(Context2D *context, Environment *env, QWidget *parent = 0);
+    ~QContext2DCanvas();
+
+    Context2D *context() const;
+    void reset();
+
+public slots:
+    QScriptValue getContext(const QString &str);
+    void resize(int width, int height);
+
+    // EventTarget
+    void addEventListener(const QString &type, const QScriptValue &listener,
+                          bool useCapture);
+
+protected:
+    virtual void paintEvent(QPaintEvent *e);
+    virtual void mouseMoveEvent(QMouseEvent *e);
+    virtual void mousePressEvent(QMouseEvent *e);
+    virtual void mouseReleaseEvent(QMouseEvent *e);
+    virtual void keyPressEvent(QKeyEvent *e);
+    virtual void keyReleaseEvent(QKeyEvent *e);
+    virtual void resizeEvent(QResizeEvent *e);
+
+private slots:
+    void contentsChanged(const QImage &image);
+//! [0]
+
+private:
+    Context2D *m_context;
+    Environment *m_env;
+    QImage m_image;
+};
+
+#endif