Qwt User's Guide 6.1.0

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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( Qt::MouseButton,
47 Qt::KeyboardModifiers = Qt::NoModifier );
48 void getMouseButton( Qt::MouseButton &button,
49 Qt::KeyboardModifiers & ) const;
50
51 void setAbortKey( int key, Qt::KeyboardModifiers = Qt::NoModifier );
52 void getAbortKey( int &key, Qt::KeyboardModifiers & ) const;
53
54 void setCursor( const QCursor & );
55 const QCursor cursor() const;
56
57 void setOrientations( Qt::Orientations );
58 Qt::Orientations orientations() const;
59
60 bool isOrientationEnabled( Qt::Orientation ) const;
61
62 virtual bool eventFilter( QObject *, QEvent * );
63
64 Q_SIGNALS:
71 void panned( int dx, int dy );
72
80 void moved( int dx, int dy );
81
82 protected:
83 virtual void widgetMousePressEvent( QMouseEvent * );
84 virtual void widgetMouseReleaseEvent( QMouseEvent * );
85 virtual void widgetMouseMoveEvent( QMouseEvent * );
86 virtual void widgetKeyPressEvent( QKeyEvent * );
87 virtual void widgetKeyReleaseEvent( QKeyEvent * );
88
89 virtual void paintEvent( QPaintEvent * );
90
91 virtual QBitmap contentsMask() const;
92 virtual QPixmap grab() const;
93
94 private:
95 #ifndef QT_NO_CURSOR
96 void showCursor( bool );
97 #endif
98
99 class PrivateData;
100 PrivateData *d_data;
101 };
102
103 #endif