![]() |
Home · All Namespaces · All Classes · Main Classes · Grouped Classes · Modules · Functions |
/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Qt Software Information (qt-info@nokia.com) ** ** This file is part of the example classes of the Qt Toolkit. ** ** 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 either Technology Preview License Agreement or the ** Beta Release License Agreement. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met: ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special ** exception, Nokia gives you certain additional rights. These rights ** are described in the Nokia Qt GPL Exception version 1.3, included in ** the file GPL_EXCEPTION.txt in this package. ** ** Qt for Windows(R) Licensees ** As a special exception, Nokia, as the sole copyright holder for Qt ** Designer, grants users of the Qt/Eclipse Integration plug-in the ** right for the Qt/Eclipse Integration to link to functionality ** provided by Qt Designer and its related libraries. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at qt-sales@nokia.com. ** ****************************************************************************/ #ifndef QCONTEXT2DCANVAS_H #define QCONTEXT2DCANVAS_H #include <qscriptengine.h> #include <qscriptcontext.h> #include <qscriptvalue.h> #include <QWidget> class QPaintEvent; class QResizeEvent; class QMouseEvent; class QKeyEvent; class Environment; class Context2D; 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); private: Context2D *m_context; Environment *m_env; QImage m_image; }; #endif
Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.5.0-rc1 |