lyx_mirror/src/frontends/LyXKeySym.h
Angus Leeming 0be0fcfd59 If I ever see another licence blurb again, it'll be too soon...
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7598 a592a061-630c-0410-9148-cb99ea01b6c8
2003-08-23 00:17:00 +00:00

63 lines
1.5 KiB
C++

// -*- C++ -*-
/**
* \file LyXKeySym.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Asger and Juergen
*
* Full author contact details are available in file CREDITS.
*/
#ifndef LYXKEYSYM_H
#define LYXKEYSYM_H
#include "LString.h"
#include <boost/shared_ptr.hpp>
/**
* This is a base class for representing a keypress.
* Each frontend has to implement this to provide
* the functionality that LyX needs in regards to
* key presses.
*/
class LyXKeySym {
public:
LyXKeySym() {}
virtual ~LyXKeySym() {}
/// Initialize with the name of a key. F. ex. "space" or "a"
virtual void init(string const & symbolname) = 0;
/// Is this a valid key?
virtual bool isOK() const = 0;
/// Is this a modifier key only?
virtual bool isModifier() const = 0;
/// Is this normal insertable text ? (last ditch attempt only)
virtual bool isText() const { return false; }
/// What is the symbolic name of this key? F.ex. "Return" or "c"
virtual string getSymbolName() const = 0;
/**
* Return the value of the keysym into the local ISO encoding.
* This converts the LyXKeySym to a 8-bit encoded character.
* This relies on user to use the right encoding.
*/
virtual char getISOEncoded(string const & encoding) const = 0;
};
/**
* We need to be able to equality compare these for the
* sake of the keymap business.
*/
bool operator==(LyXKeySym const & k1, LyXKeySym const & k2);
typedef boost::shared_ptr<LyXKeySym> LyXKeySymPtr;
#endif