Qwt User's Guide: qwt_event_pattern.h Source File

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# qwt_event_pattern.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_EVENT_PATTERN
    00011 #define QWT_EVENT_PATTERN 1
    00012
    00013 #include <qnamespace.h>
    00014 #include "qwt_array.h"
    00015
    00016 class QMouseEvent;
    00017 class QKeyEvent;
    00018
    00028 class QWT_EXPORT QwtEventPattern
    00029 {
    00030 public:
    00079     enum MousePatternCode
    00080     {
    00081         MouseSelect1,
    00082         MouseSelect2,
    00083         MouseSelect3,
    00084         MouseSelect4,
    00085         MouseSelect5,
    00086         MouseSelect6,
    00087
    00088         MousePatternCount
    00089     };
    00090
    00118     enum KeyPatternCode
    00119     {
    00120         KeySelect1,
    00121         KeySelect2,
    00122         KeyAbort,
    00123
    00124         KeyLeft,
    00125         KeyRight,
    00126         KeyUp,
    00127         KeyDown,
    00128
    00129         KeyRedo,
    00130         KeyUndo,
    00131         KeyHome,
    00132
    00133         KeyPatternCount
    00134     };
    00135
    00137     class MousePattern
    00138     {
    00139     public:
    00140         MousePattern(int btn = Qt::NoButton, int st = Qt::NoButton)
    00141         {
    00142             button = btn;
    00143             state = st;
    00144         }
    00145
    00146         int button;
    00147         int state;
    00148     };
    00149
    00151     class KeyPattern
    00152     {
    00153     public:
    00154         KeyPattern(int k = 0, int st = Qt::NoButton)
    00155         {
    00156             key = k;
    00157             state = st;
    00158         }
    00159
    00160         int key;
    00161         int state;
    00162     };
    00163
    00164     QwtEventPattern();
    00165     virtual ~QwtEventPattern();
    00166
    00167     void initMousePattern(int numButtons);
    00168     void initKeyPattern();
    00169
    00170     void setMousePattern(uint pattern, int button, int state = Qt::NoButton);
    00171     void setKeyPattern(uint pattern, int key, int state = Qt::NoButton);
    00172
    00173     void setMousePattern(const QwtArray<MousePattern> &);
    00174     void setKeyPattern(const QwtArray<KeyPattern> &);
    00175
    00176     const QwtArray<MousePattern> &mousePattern() const;
    00177     const QwtArray<KeyPattern> &keyPattern() const;
    00178
    00179     QwtArray<MousePattern> &mousePattern();
    00180     QwtArray<KeyPattern> &keyPattern();
    00181
    00182     bool mouseMatch(uint pattern, const QMouseEvent *) const;
    00183     bool keyMatch(uint pattern, const QKeyEvent *) const;
    00184
    00185 protected:
    00186     virtual bool mouseMatch(const MousePattern &, const QMouseEvent *) const;
    00187     virtual bool keyMatch(const KeyPattern &, const QKeyEvent *) const;
    00188
    00189 private:
    00190
    00191 #if defined(_MSC_VER)
    00192 #pragma warning(push)
    00193 #pragma warning(disable: 4251)
    00194 #endif
    00195     QwtArray<MousePattern> d_mousePattern;
    00196     QwtArray<KeyPattern> d_keyPattern;
    00197 #if defined(_MSC_VER)
    00198 #pragma warning(pop)
    00199 #endif
    00200 };
    00201
    00202 inline bool operator==(QwtEventPattern::MousePattern b1,
    00203    QwtEventPattern::MousePattern  b2)
    00204 {
    00205     return b1.button == b2.button && b1.state == b2.state;
    00206 }
    00207
    00208 inline bool operator==(QwtEventPattern::KeyPattern b1,
    00209    QwtEventPattern::KeyPattern  b2)
    00210 {
    00211     return b1.key == b2.key && b1.state == b2.state;
    00212 }
    00213
    00214 #if defined(QWT_TEMPLATEDLL)
    00215 // MOC_SKIP_BEGIN
    00216 template class QWT_EXPORT QwtArray<QwtEventPattern::MousePattern>;
    00217 template class QWT_EXPORT QwtArray<QwtEventPattern::KeyPattern>;
    00218 // MOC_SKIP_END
    00219 #endif
    00220
    00221 #endif