| 1 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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| 2 | * Qwt Widget Library
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| 3 | * Copyright (C) 1997 Josef Wilgen
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| 4 | * Copyright (C) 2002 Uwe Rathmann
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| 5 | *
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| 6 | * This library is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the Qwt License, Version 1.0
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| 8 | *****************************************************************************/
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| 9 |
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| 10 | #ifndef QWT_ARROW_BUTTON_H
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| 11 | #define QWT_ARROW_BUTTON_H
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| 12 |
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| 13 | #include <qpushbutton.h>
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| 14 | #include "qwt_global.h"
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| 15 |
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| 16 | /*!
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| 17 | \brief Arrow Button
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| 18 |
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| 19 | A push button with one or more filled triangles on its front.
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| 20 | An Arrow button can have 1 to 3 arrows in a row, pointing
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| 21 | up, down, left or right.
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| 22 | */
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| 23 | class QWT_EXPORT QwtArrowButton : public QPushButton
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| 24 | {
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| 25 | public:
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| 26 | explicit QwtArrowButton (int num, Qt::ArrowType, QWidget *parent = NULL);
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| 27 | virtual ~QwtArrowButton();
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| 28 |
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| 29 | Qt::ArrowType arrowType() const;
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| 30 | int num() const;
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| 31 |
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| 32 | virtual QSize sizeHint() const;
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| 33 | virtual QSize minimumSizeHint() const;
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| 34 |
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| 35 | protected:
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| 36 | #if QT_VERSION >= 0x040000
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| 37 | virtual void paintEvent(QPaintEvent *event);
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| 38 | #endif
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| 39 |
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| 40 | virtual void drawButtonLabel(QPainter *p);
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| 41 | virtual void drawArrow(QPainter *,
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| 42 | const QRect &, Qt::ArrowType) const;
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| 43 | virtual QRect labelRect() const;
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| 44 | virtual QSize arrowSize(Qt::ArrowType,
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| 45 | const QSize &boundingSize) const;
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| 46 |
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| 47 | virtual void keyPressEvent(QKeyEvent *);
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| 48 |
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| 49 | private:
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| 50 | class PrivateData;
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| 51 | PrivateData *d_data;
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| 52 | };
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| 53 |
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| 54 | #endif
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