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// -*- coding:unix; mode:c++; tab-width:4; c-basic-offset:4; indent-tabs-mode:nil -*-
/* Unikey Vietnamese Input Method
 * Copyright (C) 2000-2005 Pham Kim Long
 * Contact:
 *   unikey@gmail.com
 *   UniKey project: http://unikey.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor
 * Boston, MA 02110-1301, USA.
 */
#ifndef __UK_INPUT_PROCESSOR_H
#define __UK_INPUT_PROCESSOR_H

#include "keycons.h"
#include "vnlexi.h"

#if defined(_WIN32)
    #define DllExport   __declspec( dllexport )
    #define DllImport   __declspec( dllimport )
    #if defined(UNIKEYHOOK)
        #define DllInterface   __declspec( dllexport )
    #else
        #define DllInterface   __declspec( dllimport )
    #endif
#else
    #define DllInterface //not used
    #define DllExport
    #define DllImport
#endif

enum UkKeyEvName {
  vneRoofAll, vneRoof_a, vneRoof_e, vneRoof_o, 
  vneHookAll, vneHook_uo, vneHook_u, vneHook_o, vneBowl, 
  vneDd, 
  vneTone0, vneTone1, vneTone2, vneTone3, vneTone4, vneTone5,
  vne_telex_w, //special for telex
  vneMapChar, //e.g. [ -> u+ , ] -> o+
  vneEscChar,
  vneNormal, //does not belong to any of the above categories
  vneCount //just to count how many event types there are
};

enum UkCharType {
  ukcVn,
  ukcWordBreak, 
  ukcNonVn, 
  ukcReset
};

struct UkKeyEvent {
  int evType;
  UkCharType chType;
  VnLexiName vnSym; //meaningful only when chType==ukcVn
  unsigned int keyCode;
  int tone; //meaningful only when this is a vowel
};

struct UkKeyMapping {
    unsigned char key;
    int action;
};

///////////////////////////////////////////
class UkInputProcessor {

public:
  //don't do anything with constructor, because
  //this object can be allocated in shared memory
  //Use init method instead
  //UkInputProcessor();
  
  void init();

  UkInputMethod getIM()
  {
    return m_im;
  }

  void keyCodeToEvent(unsigned int keyCode, UkKeyEvent & ev);
  void keyCodeToSymbol(unsigned int keyCode, UkKeyEvent & ev);
  int setIM(UkInputMethod im);
  int setIM(int map[256]);
  void getKeyMap(int map[256]);

  UkCharType getCharType(unsigned int keyCode);

protected:
  static bool m_classInit;

  UkInputMethod m_im;
  int m_keyMap[256];

  void useBuiltIn(UkKeyMapping *map);

};

void UkResetKeyMap(int keyMap[256]);
void SetupInputClassifierTable();

DllInterface extern UkKeyMapping TelexMethodMapping[];
DllInterface extern UkKeyMapping SimpleTelexMethodMapping[];
DllInterface extern UkKeyMapping VniMethodMapping[];
DllInterface extern UkKeyMapping VIQRMethodMapping[];
DllInterface extern UkKeyMapping MsViMethodMapping[];

extern VnLexiName IsoVnLexiMap[];
inline VnLexiName IsoToVnLexi(unsigned int keyCode)
{
    return (keyCode >= 256)? vnl_nonVnChar : IsoVnLexiMap[keyCode];
}

#endif