彻底改版2.0
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feiyangqingyun
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third/3rd_qwt/qwt_event_pattern.h
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240
third/3rd_qwt/qwt_event_pattern.h
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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#ifndef QWT_EVENT_PATTERN
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#define QWT_EVENT_PATTERN 1
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#include "qwt_global.h"
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#include <qnamespace.h>
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#include <qvector.h>
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class QMouseEvent;
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class QKeyEvent;
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/*!
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\brief A collection of event patterns
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QwtEventPattern introduces an level of indirection for mouse and
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keyboard inputs. Those are represented by symbolic names, so
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the application code can be configured by individual mappings.
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\sa QwtPicker, QwtPickerMachine, QwtPlotZoomer
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*/
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class QWT_EXPORT QwtEventPattern
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{
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public:
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/*!
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\brief Symbolic mouse input codes
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QwtEventPattern implements 3 different settings for
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mice with 1, 2, or 3 buttons that can be activated
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using initMousePattern(). The default setting is for
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3 button mice.
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Individual settings can be configured using setMousePattern().
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\sa initMousePattern(), setMousePattern(), setKeyPattern()
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*/
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enum MousePatternCode
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{
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/*!
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The default setting for 1, 2 and 3 button mice is:
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- Qt::LeftButton
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- Qt::LeftButton
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- Qt::LeftButton
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*/
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MouseSelect1,
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/*!
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The default setting for 1, 2 and 3 button mice is:
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- Qt::LeftButton + Qt::ControlModifier
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- Qt::RightButton
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- Qt::RightButton
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*/
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MouseSelect2,
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/*!
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The default setting for 1, 2 and 3 button mice is:
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- Qt::LeftButton + Qt::AltModifier
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- Qt::LeftButton + Qt::AltModifier
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- Qt::MidButton
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*/
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MouseSelect3,
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/*!
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The default setting for 1, 2 and 3 button mice is:
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- Qt::LeftButton + Qt::ShiftModifier
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- Qt::LeftButton + Qt::ShiftModifier
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- Qt::LeftButton + Qt::ShiftModifier
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*/
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MouseSelect4,
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/*!
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The default setting for 1, 2 and 3 button mice is:
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- Qt::LeftButton + Qt::ControlButton | Qt::ShiftModifier
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- Qt::RightButton + Qt::ShiftModifier
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- Qt::RightButton + Qt::ShiftModifier
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*/
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MouseSelect5,
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/*!
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The default setting for 1, 2 and 3 button mice is:
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- Qt::LeftButton + Qt::AltModifier + Qt::ShiftModifier
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- Qt::LeftButton + Qt::AltModifier | Qt::ShiftModifier
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- Qt::MidButton + Qt::ShiftModifier
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*/
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MouseSelect6,
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//! Number of mouse patterns
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MousePatternCount
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};
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/*!
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\brief Symbolic keyboard input codes
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Individual settings can be configured using setKeyPattern()
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\sa setKeyPattern(), setMousePattern()
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*/
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enum KeyPatternCode
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{
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//! Qt::Key_Return
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KeySelect1,
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//! Qt::Key_Space
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KeySelect2,
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//! Qt::Key_Escape
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KeyAbort,
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//! Qt::Key_Left
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KeyLeft,
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//! Qt::Key_Right
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KeyRight,
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//! Qt::Key_Up
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KeyUp,
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//! Qt::Key_Down
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KeyDown,
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//! Qt::Key_Plus
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KeyRedo,
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//! Qt::Key_Minus
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KeyUndo,
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//! Qt::Key_Escape
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KeyHome,
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//! Number of key patterns
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KeyPatternCount
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};
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//! A pattern for mouse events
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class MousePattern
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{
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public:
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//! Constructor
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MousePattern( Qt::MouseButton btn = Qt::NoButton,
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Qt::KeyboardModifiers modifierCodes = Qt::NoModifier ):
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button( btn ),
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modifiers( modifierCodes )
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{
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}
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//! Button
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Qt::MouseButton button;
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//! Keyboard modifier
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Qt::KeyboardModifiers modifiers;
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};
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//! A pattern for key events
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class KeyPattern
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{
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public:
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//! Constructor
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KeyPattern( int keyCode = Qt::Key_unknown,
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Qt::KeyboardModifiers modifierCodes = Qt::NoModifier ):
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key( keyCode ),
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modifiers( modifierCodes )
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{
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}
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//! Key code
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int key;
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//! Modifiers
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Qt::KeyboardModifiers modifiers;
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};
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QwtEventPattern();
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virtual ~QwtEventPattern();
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void initMousePattern( int numButtons );
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void initKeyPattern();
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void setMousePattern( MousePatternCode, Qt::MouseButton button,
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Qt::KeyboardModifiers = Qt::NoModifier );
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void setKeyPattern( KeyPatternCode, int key,
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Qt::KeyboardModifiers modifiers = Qt::NoModifier );
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void setMousePattern( const QVector<MousePattern> & );
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void setKeyPattern( const QVector<KeyPattern> & );
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const QVector<MousePattern> &mousePattern() const;
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const QVector<KeyPattern> &keyPattern() const;
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QVector<MousePattern> &mousePattern();
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QVector<KeyPattern> &keyPattern();
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bool mouseMatch( MousePatternCode, const QMouseEvent * ) const;
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bool keyMatch( KeyPatternCode, const QKeyEvent * ) const;
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protected:
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virtual bool mouseMatch( const MousePattern &, const QMouseEvent * ) const;
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virtual bool keyMatch( const KeyPattern &, const QKeyEvent * ) const;
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private:
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#if defined(_MSC_VER)
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#pragma warning(push)
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#pragma warning(disable: 4251)
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#endif
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QVector<MousePattern> d_mousePattern;
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QVector<KeyPattern> d_keyPattern;
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#if defined(_MSC_VER)
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#pragma warning(pop)
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#endif
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};
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//! Compare operator
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inline bool operator==( QwtEventPattern::MousePattern b1,
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QwtEventPattern::MousePattern b2 )
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{
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return b1.button == b2.button && b1.modifiers == b2.modifiers;
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}
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//! Compare operator
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inline bool operator==( QwtEventPattern::KeyPattern b1,
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QwtEventPattern::KeyPattern b2 )
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{
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return b1.key == b2.key && b1.modifiers == b2.modifiers;
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}
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#endif
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