Qwt User's Guide 6.0.2

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qwt_panner.h
1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2 * Qwt Widget Library
3 * Copyright (C) 1997 Josef Wilgen
4 * Copyright (C) 2002 Uwe Rathmann
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the Qwt License, Version 1.0
8 *****************************************************************************/
9
10 #ifndef QWT_PANNER_H
11 #define QWT_PANNER_H 1
12
13 #include "qwt_global.h"
14 #include <qwidget.h>
15 #include <qpixmap.h>
16
17 class QCursor;
18
35 class QWT_EXPORT QwtPanner: public QWidget
36 {
37 Q_OBJECT
38
39 public:
40 QwtPanner( QWidget* parent );
41 virtual ~QwtPanner();
42
43 void setEnabled( bool );
44 bool isEnabled() const;
45
46 void setMouseButton( int button, int buttonState = Qt::NoButton );
47 void getMouseButton( int &button, int &buttonState ) const;
48 void setAbortKey( int key, int state = Qt::NoButton );
49 void getAbortKey( int &key, int &state ) const;
50
51 void setCursor( const QCursor & );
52 const QCursor cursor() const;
53
54 void setOrientations( Qt::Orientations );
55 Qt::Orientations orientations() const;
56
57 bool isOrientationEnabled( Qt::Orientation ) const;
58
59 virtual bool eventFilter( QObject *, QEvent * );
60
61 Q_SIGNALS:
68 void panned( int dx, int dy );
69
77 void moved( int dx, int dy );
78
79 protected:
80 virtual void widgetMousePressEvent( QMouseEvent * );
81 virtual void widgetMouseReleaseEvent( QMouseEvent * );
82 virtual void widgetMouseMoveEvent( QMouseEvent * );
83 virtual void widgetKeyPressEvent( QKeyEvent * );
84 virtual void widgetKeyReleaseEvent( QKeyEvent * );
85
86 virtual void paintEvent( QPaintEvent * );
87
88 virtual QBitmap contentsMask() const;
89 virtual QPixmap grab() const;
90
91 private:
92 #ifndef QT_NO_CURSOR
93 void showCursor( bool );
94 #endif
95
96 class PrivateData;
97 PrivateData *d_data;
98 };
99
100 #endif