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 "qwt_global.h"
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14 | #include <qpushbutton.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 | virtual void paintEvent( QPaintEvent *event );
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37 |
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38 | virtual void drawButtonLabel( QPainter * );
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39 | virtual void drawArrow( QPainter *,
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40 | const QRect &, Qt::ArrowType ) const;
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41 | virtual QRect labelRect() const;
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42 | virtual QSize arrowSize( Qt::ArrowType,
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43 | const QSize &boundingSize ) const;
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44 |
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45 | virtual void keyPressEvent( QKeyEvent * );
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46 |
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47 | private:
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48 | class PrivateData;
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49 | PrivateData *d_data;
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50 | };
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51 |
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52 | #endif
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