Eneboo - Documentación para desarrolladores: Fichero Fuente src/qwt/src/qwt

Eneboo - Documentación para desarrolladores
00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
00002  * Qwt Widget Library
00003  * Copyright (C) 1997   Josef Wilgen
00004  * Copyright (C) 2002   Uwe Rathmann
00005  * 
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the Qwt License, Version 1.0
00008  *****************************************************************************/
00009 
00010 #ifndef QWT_MAGNIFIER_H
00011 #define QWT_MAGNIFIER_H 1
00012 
00013 #include "qwt_global.h"
00014 #include <qobject.h>
00015 
00016 class QWidget;
00017 class QMouseEvent;
00018 class QWheelEvent;
00019 class QKeyEvent;
00020 
00027 class QWT_EXPORT QwtMagnifier: public QObject
00028 {
00029     Q_OBJECT
00030 
00031 public:
00032     explicit QwtMagnifier(QWidget *);
00033     virtual ~QwtMagnifier();
00034 
00035     QWidget *parentWidget();
00036     const QWidget *parentWidget() const;
00037 
00038     void setEnabled(bool);
00039     bool isEnabled() const;
00040 
00041     // mouse
00042     void setMouseFactor(double);
00043     double mouseFactor() const;
00044 
00045     void setMouseButton(int button, int buttonState = Qt::NoButton);
00046     void getMouseButton(int &button, int &buttonState) const;
00047 
00048     // mouse wheel
00049     void setWheelFactor(double);
00050     double wheelFactor() const;
00051 
00052     void setWheelButtonState(int buttonState);
00053     int wheelButtonState() const;
00054 
00055     // keyboard
00056     void setKeyFactor(double);
00057     double keyFactor() const;
00058 
00059     void setZoomInKey(int key, int modifiers);
00060     void getZoomInKey(int &key, int &modifiers) const;
00061 
00062     void setZoomOutKey(int key, int modifiers);
00063     void getZoomOutKey(int &key, int &modifiers) const;
00064 
00065     virtual bool eventFilter(QObject *, QEvent *);
00066 
00067 protected:
00068     virtual void rescale(double factor) = 0;
00069 
00070     virtual void widgetMousePressEvent(QMouseEvent *);
00071     virtual void widgetMouseReleaseEvent(QMouseEvent *);
00072     virtual void widgetMouseMoveEvent(QMouseEvent *);
00073     virtual void widgetWheelEvent(QWheelEvent *);
00074     virtual void widgetKeyPressEvent(QKeyEvent *);
00075     virtual void widgetKeyReleaseEvent(QKeyEvent *);
00076 
00077 private:
00078     class PrivateData;
00079     PrivateData *d_data;
00080 };
00081 
00082 #endif