qwt_event_pattern.h

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/* -*- 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

#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( Qt::MouseButton btn = Qt::NoButton,
                Qt::KeyboardModifiers modifierCodes = Qt::NoModifier ):
            button( btn ),
            modifiers( modifierCodes )
        {
        }

        Qt::MouseButton button;

        Qt::KeyboardModifiers modifiers;
    };

    class KeyPattern
    {
    public:
        KeyPattern( int keyCode = Qt::Key_unknown,
                Qt::KeyboardModifiers modifierCodes = Qt::NoModifier ):
            key( keyCode ),
            modifiers( modifierCodes )
        {
        }

        int key;

        Qt::KeyboardModifiers modifiers;
    };

    QwtEventPattern();
    virtual ~QwtEventPattern();

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

    void setMousePattern( MousePatternCode, Qt::MouseButton button,
        Qt::KeyboardModifiers = Qt::NoModifier );

    void setKeyPattern( KeyPatternCode, int key,
        Qt::KeyboardModifiers modifiers = Qt::NoModifier );

    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( MousePatternCode, const QMouseEvent * ) const;
    bool keyMatch( KeyPatternCode, 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.modifiers == b2.modifiers;
}

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

#endif