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 <qnamespace.h>
#include "qwt_array.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 QwtArray<MousePattern> &);
    void setKeyPattern(const QwtArray<KeyPattern> &);

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

    QwtArray<MousePattern> &mousePattern();
    QwtArray<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
    QwtArray<MousePattern> d_mousePattern;
    QwtArray<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; 
}

#if defined(QWT_TEMPLATEDLL)
// MOC_SKIP_BEGIN
template class QWT_EXPORT QwtArray<QwtEventPattern::MousePattern>;
template class QWT_EXPORT QwtArray<QwtEventPattern::KeyPattern>;
// MOC_SKIP_END
#endif

#endif