qcontext2dcanvas.h Example File
script/context2d/qcontext2dcanvas.h
#ifndef QCONTEXT2DCANVAS_H
#define QCONTEXT2DCANVAS_H
#include <qscriptengine.h>
#include <qscriptcontext.h>
#include <qscriptvalue.h>
#include <QWidget>
#include <QTimer>
class QPaintEvent;
class QResizeEvent;
class QMouseEvent;
class Context2D;
class QContext2DCanvas : public QWidget
{
Q_OBJECT
public:
QContext2DCanvas(QWidget *parent=0);
~QContext2DCanvas();
QScriptEngine *engine();
public slots:
void setScriptContents(const QString &txt);
QObject *getContext(const QString &str) const;
void setInterval(const QScriptValue &func,
qreal interval);
void resize(int w, int h);
signals:
void error(const QString &error, int lineno);
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:
QScriptEngine m_engine;
QString m_script;
Context2D *m_context;
QScriptValue m_self;
QScriptValue m_doc;
QScriptValue m_intervalFunc;
QTimer m_timer;
bool m_firstRun;
QScriptValue m_keyDownHandler;
QScriptValue m_keyUpHandler;
QScriptValue m_mouseDownHandler;
QScriptValue m_mouseUpHandler;
QScriptValue m_mouseMoveHandler;
};
#endif
Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies) |
Trademarks |
Qt 4.4.3 |