qwt_panner.h
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00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** 00002 * Qwt Widget Library 00003 * Copyright (C) 1997 Josef Wilgen 00004 * Copyright (C) 2002 Uwe Rathmann 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the Qwt License, Version 1.0 00008 *****************************************************************************/ 00009 00010 #ifndef QWT_PANNER_H 00011 #define QWT_PANNER_H 1 00012 00013 #include <qnamespace.h> 00014 #include <qwidget.h> 00015 #include "qwt_global.h" 00016 00017 class QCursor; 00018 00035 class QWT_EXPORT QwtPanner: public QWidget 00036 { 00037 Q_OBJECT 00038 00039 public: 00040 QwtPanner(QWidget* parent); 00041 virtual ~QwtPanner(); 00042 00043 void setEnabled(bool); 00044 bool isEnabled() const; 00045 00046 void setMouseButton(int button, int buttonState = Qt::NoButton); 00047 void getMouseButton(int &button, int &buttonState) const; 00048 void setAbortKey(int key, int state = Qt::NoButton); 00049 void getAbortKey(int &key, int &state) const; 00050 00051 void setCursor(const QCursor &); 00052 const QCursor cursor() const; 00053 00054 #if QT_VERSION >= 0x040000 00055 void setOrientations(Qt::Orientations); 00056 Qt::Orientations orientations() const; 00057 #else 00058 void enableOrientation(Qt::Orientation, bool enable); 00059 #endif 00060 00061 bool isOrientationEnabled(Qt::Orientation) const; 00062 00063 virtual bool eventFilter(QObject *, QEvent *); 00064 00065 signals: 00072 void panned(int dx, int dy); 00073 00081 void moved(int dx, int dy); 00082 00083 protected: 00084 virtual void widgetMousePressEvent(QMouseEvent *); 00085 virtual void widgetMouseReleaseEvent(QMouseEvent *); 00086 virtual void widgetMouseMoveEvent(QMouseEvent *); 00087 virtual void widgetKeyPressEvent(QKeyEvent *); 00088 virtual void widgetKeyReleaseEvent(QKeyEvent *); 00089 00090 virtual void paintEvent(QPaintEvent *); 00091 00092 private: 00093 #ifndef QT_NO_CURSOR 00094 void showCursor(bool); 00095 #endif 00096 00097 class PrivateData; 00098 PrivateData *d_data; 00099 }; 00100 00101 #endif
