Qwt User's Guide: qwt_panner.h Source File

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# qwt_panner.h

    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     virtual bool eventFilter(QObject *, QEvent *);
    00055
    00056 signals:
    00063     void panned(int dx, int dy);
    00064
    00072     void moved(int dx, int dy);
    00073
    00074 protected:
    00075     virtual void widgetMousePressEvent(QMouseEvent *);
    00076     virtual void widgetMouseReleaseEvent(QMouseEvent *);
    00077     virtual void widgetMouseMoveEvent(QMouseEvent *);
    00078     virtual void widgetKeyPressEvent(QKeyEvent *);
    00079     virtual void widgetKeyReleaseEvent(QKeyEvent *);
    00080
    00081     virtual void paintEvent(QPaintEvent *);
    00082
    00083 private:
    00084 #ifndef QT_NO_CURSOR
    00085     void showCursor(bool);
    00086 #endif
    00087
    00088     class PrivateData;
    00089     PrivateData *d_data;
    00090 };
    00091
    00092 #endif