qwt_event_pattern.h

/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *****************************************************************************/

#ifndef QWT_EVENT_PATTERN
#define QWT_EVENT_PATTERN 1

#include "qwt_global.h"
#include <qnamespace.h>
#include <qvector.h>

class QMouseEvent;
class QKeyEvent;

class QWT_EXPORT QwtEventPattern
{
public:
    enum MousePatternCode
    {
        MouseSelect1,
        MouseSelect2,
        MouseSelect3,
        MouseSelect4,
        MouseSelect5,
        MouseSelect6,

        MousePatternCount
    };

    enum KeyPatternCode
    {
        KeySelect1,
        KeySelect2,
        KeyAbort,

        KeyLeft,
        KeyRight,
        KeyUp,
        KeyDown,

        KeyRedo,
        KeyUndo,
        KeyHome,

        KeyPatternCount
    };

    class MousePattern
    {
    public:
        MousePattern( int btn = Qt::NoButton, int st = Qt::NoButton )
        {
            button = btn;
            state = st;
        }

        int button;

        int state;
    };

    class KeyPattern
    {
    public:
        KeyPattern( int k = 0, int st = Qt::NoButton )
        {
            key = k;
            state = st;
        }

        int key;

        int state;
    };

    QwtEventPattern();
    virtual ~QwtEventPattern();

    void initMousePattern( int numButtons );
    void initKeyPattern();

    void setMousePattern( uint pattern, int button, int state = Qt::NoButton );
    void setKeyPattern( uint pattern, int key, int state = Qt::NoButton );

    void setMousePattern( const QVector<MousePattern> & );
    void setKeyPattern( const QVector<KeyPattern> & );

    const QVector<MousePattern> &mousePattern() const;
    const QVector<KeyPattern> &keyPattern() const;

    QVector<MousePattern> &mousePattern();
    QVector<KeyPattern> &keyPattern();

    bool mouseMatch( uint pattern, const QMouseEvent * ) const;
    bool keyMatch( uint pattern, const QKeyEvent * ) const;

protected:
    virtual bool mouseMatch( const MousePattern &, const QMouseEvent * ) const;
    virtual bool keyMatch( const KeyPattern &, const QKeyEvent * ) const;

private:

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable: 4251)
#endif
    QVector<MousePattern> d_mousePattern;
    QVector<KeyPattern> d_keyPattern;
#if defined(_MSC_VER)
#pragma warning(pop)
#endif
};

inline bool operator==( QwtEventPattern::MousePattern b1,
    QwtEventPattern::MousePattern  b2 )
{
    return b1.button == b2.button && b1.state == b2.state;
}

inline bool operator==( QwtEventPattern::KeyPattern b1,
   QwtEventPattern::KeyPattern  b2 )
{
    return b1.key == b2.key && b1.state == b2.state;
}

#endif