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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15422 a592a061-630c-0410-9148-cb99ea01b6c8
77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
// -*- C++ -*-
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/**
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* \file LyXKeySym.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Asger and Jürgen
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef LYXKEYSYM_H
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#define LYXKEYSYM_H
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#include <string>
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#include "key_state.h"
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#include <boost/shared_ptr.hpp>
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namespace lyx {
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/**
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* This is a base class for representing a keypress.
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* Each frontend has to implement this to provide
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* the functionality that LyX needs in regards to
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* key presses.
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*/
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class LyXKeySym {
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public:
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LyXKeySym() {}
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virtual ~LyXKeySym() {}
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/// Initialize with the name of a key. F. ex. "space" or "a"
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virtual void init(std::string const & symbolname) = 0;
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/// Is this a valid key?
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virtual bool isOK() const = 0;
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/// Is this a modifier key only?
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virtual bool isModifier() const = 0;
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/// Is this normal insertable text ? (last ditch attempt only)
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virtual bool isText() const = 0;
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/// What is the symbolic name of this key? F.ex. "Return" or "c"
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virtual std::string getSymbolName() const = 0;
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/**
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* Return the value of the keysym into the UCS-4 encoding.
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* This converts the LyXKeySym to a 32-bit encoded character.
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*/
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virtual size_t getUCSEncoded() const = 0;
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/**
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* Return a string describing the KeySym with modifier mod.
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* This should use the native UI format when applicable
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*/
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virtual std::string const print(key_modifier::state mod) const = 0;
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};
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/**
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* We need to be able to equality compare these for the
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* sake of the keymap business.
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*/
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bool operator==(LyXKeySym const & k1, LyXKeySym const & k2);
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typedef boost::shared_ptr<LyXKeySym> LyXKeySymPtr;
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} // namespace lyx
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#endif
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