Qwt User's Guide 5.2.3

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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 <qnamespace.h>
14 #include <qwidget.h>
15 #include "qwt_global.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 #if QT_VERSION >= 0x040000
55 void setOrientations(Qt::Orientations);
56 Qt::Orientations orientations() const;
57 #else
58 void enableOrientation(Qt::Orientation, bool enable);
59 #endif
60
61 bool isOrientationEnabled(Qt::Orientation) const;
62
63 virtual bool eventFilter(QObject *, QEvent *);
64
65 signals:
72 void panned(int dx, int dy);
73
81 void moved(int dx, int dy);
82
83 protected:
84 virtual void widgetMousePressEvent(QMouseEvent *);
85 virtual void widgetMouseReleaseEvent(QMouseEvent *);
86 virtual void widgetMouseMoveEvent(QMouseEvent *);
87 virtual void widgetKeyPressEvent(QKeyEvent *);
88 virtual void widgetKeyReleaseEvent(QKeyEvent *);
89
90 virtual void paintEvent(QPaintEvent *);
91
92 private:
93 #ifndef QT_NO_CURSOR
94 void showCursor(bool);
95 #endif
96
97 class PrivateData;
98 PrivateData *d_data;
99 };
100
101 #endif