Qwt User's Guide: qwt_arrow_button.h Source File

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_ARROW_BUTTON_H
00011 #define QWT_ARROW_BUTTON_H
00012 
00013 #include <qpushbutton.h>
00014 #include "qwt_global.h"
00015 
00023 class QWT_EXPORT QwtArrowButton : public QPushButton
00024 {
00025 public:
00026     explicit QwtArrowButton (int num, Qt::ArrowType, QWidget *parent = NULL);
00027     virtual ~QwtArrowButton();
00028 
00029     Qt::ArrowType arrowType() const;
00030     int num() const;
00031 
00032     virtual QSize sizeHint() const;
00033     virtual QSize minimumSizeHint() const;
00034 
00035 protected:
00036 #if QT_VERSION >= 0x040000
00037     virtual void paintEvent(QPaintEvent *event);
00038 #endif
00039 
00040     virtual void drawButtonLabel(QPainter *p);
00041     virtual void drawArrow(QPainter *, 
00042         const QRect &, Qt::ArrowType) const;
00043     virtual QRect labelRect() const;
00044     virtual QSize arrowSize(Qt::ArrowType,
00045         const QSize &boundingSize) const;
00046 
00047     virtual void keyPressEvent(QKeyEvent *);
00048 
00049 private:
00050     class PrivateData;
00051     PrivateData *d_data;
00052 };
00053 
00054 #endif