qt_demoe/qwtdemo/qwt/qwt_event_pattern.h

241 lines
5.8 KiB
C++

/* -*- 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;
/*!
\brief A collection of event patterns
QwtEventPattern introduces an level of indirection for mouse and
keyboard inputs. Those are represented by symbolic names, so
the application code can be configured by individual mappings.
\sa QwtPicker, QwtPickerMachine, QwtPlotZoomer
*/
class QWT_EXPORT QwtEventPattern
{
public:
/*!
\brief Symbolic mouse input codes
QwtEventPattern implements 3 different settings for
mice with 1, 2, or 3 buttons that can be activated
using initMousePattern(). The default setting is for
3 button mice.
Individual settings can be configured using setMousePattern().
\sa initMousePattern(), setMousePattern(), setKeyPattern()
*/
enum MousePatternCode
{
/*!
The default setting for 1, 2 and 3 button mice is:
- Qt::LeftButton
- Qt::LeftButton
- Qt::LeftButton
*/
MouseSelect1,
/*!
The default setting for 1, 2 and 3 button mice is:
- Qt::LeftButton + Qt::ControlModifier
- Qt::RightButton
- Qt::RightButton
*/
MouseSelect2,
/*!
The default setting for 1, 2 and 3 button mice is:
- Qt::LeftButton + Qt::AltModifier
- Qt::LeftButton + Qt::AltModifier
- Qt::MidButton
*/
MouseSelect3,
/*!
The default setting for 1, 2 and 3 button mice is:
- Qt::LeftButton + Qt::ShiftModifier
- Qt::LeftButton + Qt::ShiftModifier
- Qt::LeftButton + Qt::ShiftModifier
*/
MouseSelect4,
/*!
The default setting for 1, 2 and 3 button mice is:
- Qt::LeftButton + Qt::ControlButton | Qt::ShiftModifier
- Qt::RightButton + Qt::ShiftModifier
- Qt::RightButton + Qt::ShiftModifier
*/
MouseSelect5,
/*!
The default setting for 1, 2 and 3 button mice is:
- Qt::LeftButton + Qt::AltModifier + Qt::ShiftModifier
- Qt::LeftButton + Qt::AltModifier | Qt::ShiftModifier
- Qt::MidButton + Qt::ShiftModifier
*/
MouseSelect6,
//! Number of mouse patterns
MousePatternCount
};
/*!
\brief Symbolic keyboard input codes
Individual settings can be configured using setKeyPattern()
\sa setKeyPattern(), setMousePattern()
*/
enum KeyPatternCode
{
//! Qt::Key_Return
KeySelect1,
//! Qt::Key_Space
KeySelect2,
//! Qt::Key_Escape
KeyAbort,
//! Qt::Key_Left
KeyLeft,
//! Qt::Key_Right
KeyRight,
//! Qt::Key_Up
KeyUp,
//! Qt::Key_Down
KeyDown,
//! Qt::Key_Plus
KeyRedo,
//! Qt::Key_Minus
KeyUndo,
//! Qt::Key_Escape
KeyHome,
//! Number of key patterns
KeyPatternCount
};
//! A pattern for mouse events
class MousePattern
{
public:
//! Constructor
MousePattern( Qt::MouseButton btn = Qt::NoButton,
Qt::KeyboardModifiers modifierCodes = Qt::NoModifier ):
button( btn ),
modifiers( modifierCodes )
{
}
//! Button
Qt::MouseButton button;
//! Keyboard modifier
Qt::KeyboardModifiers modifiers;
};
//! A pattern for key events
class KeyPattern
{
public:
//! Constructor
KeyPattern( int keyCode = Qt::Key_unknown,
Qt::KeyboardModifiers modifierCodes = Qt::NoModifier ):
key( keyCode ),
modifiers( modifierCodes )
{
}
//! Key code
int key;
//! Modifiers
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 keyCode,
Qt::KeyboardModifiers modifierCodes = 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
};
//! Compare operator
inline bool operator==( QwtEventPattern::MousePattern b1,
QwtEventPattern::MousePattern b2 )
{
return b1.button == b2.button && b1.modifiers == b2.modifiers;
}
//! Compare operator
inline bool operator==( QwtEventPattern::KeyPattern b1,
QwtEventPattern::KeyPattern b2 )
{
return b1.key == b2.key && b1.modifiers == b2.modifiers;
}
#endif