{
    This file is part of the Free Pascal run time library.

    A file in Amiga system run time library.
    Copyright (c) 1998 by Nils Sjoholm
    member of the Amiga RTL development team.

    See the file COPYING.FPC, included in this distribution,
    for details about the copyright.

    This program 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.

 **********************************************************************}

{
        keymap.resource definitions and console.device key map definitions
}

unit keymap;

INTERFACE

uses exec, inputevent;

Type

    pKeyMap = ^tKeyMap;
    tKeyMap = record
        km_LoKeyMapTypes        : Pointer;
        km_LoKeyMap             : Pointer;
        km_LoCapsable           : Pointer;
        km_LoRepeatable         : Pointer;
        km_HiKeyMapTypes        : Pointer;
        km_HiKeyMap             : Pointer;
        km_HiCapsable           : Pointer;
        km_HiRepeatable         : Pointer;
    end;


    pKeymapNode = ^tKeyMapNode;
    tKeyMapNode = record
        kn_Node         : tNode;         { including name of keymap }
        kn_KeyMap       : tKeyMap;
    end;

{ the structure of keymap.resource }

    pKeyMapResource = ^tKeyMapResource;
    tKeyMapResource = record
        kr_Node         : tNode;
        kr_List         : tList;         { a list of KeyMapNodes }
    end;


Const

{ Key Map Types }

    KC_NOQUAL           = 0;
    KC_VANILLA          = 7;    { note that SHIFT+ALT+CTRL is VANILLA }
    KCB_SHIFT           = 0;
    KCF_SHIFT           = $01;
    KCB_ALT             = 1;
    KCF_ALT             = $02;
    KCB_CONTROL         = 2;
    KCF_CONTROL         = $04;
    KCB_DOWNUP          = 3;
    KCF_DOWNUP          = $08;

    KCB_DEAD            = 5;    { may be dead or modified by dead key:  }
    KCF_DEAD            = $20;  {   use dead prefix bytes               }

    KCB_STRING          = 6;
    KCF_STRING          = $40;

    KCB_NOP             = 7;
    KCF_NOP             = $80;


{ Dead Prefix Bytes }

    DPB_MOD             = 0;
    DPF_MOD             = $01;
    DPB_DEAD            = 3;
    DPF_DEAD            = $08;

    DP_2DINDEXMASK      = $0f;  { mask for index for 1st of two dead keys }
    DP_2DFACSHIFT       = 4;    { shift for factor for 1st of two dead keys }

VAR KeymapBase : pLibrary;

FUNCTION AskKeyMapDefault : pKeyMap;
FUNCTION MapANSI(thestring : pCHAR; count : LONGINT; buffer : pCHAR; length : LONGINT; keyMap : pKeyMap) : LONGINT;
FUNCTION MapRawKey(event : pInputEvent; buffer : pCHAR; length : LONGINT; keyMap : pKeyMap) : INTEGER;
PROCEDURE SetKeyMapDefault(keyMap : pKeyMap);

IMPLEMENTATION

FUNCTION AskKeyMapDefault : pKeyMap;
BEGIN
  ASM
    MOVE.L  A6,-(A7)
    MOVEA.L KeymapBase,A6
    JSR -036(A6)
    MOVEA.L (A7)+,A6
    MOVE.L  D0,@RESULT
  END;
END;

FUNCTION MapANSI(thestring : pCHAR; count : LONGINT; buffer : pCHAR; length : LONGINT; keyMap : pKeyMap) : LONGINT;
BEGIN
  ASM
    MOVE.L  A6,-(A7)
    MOVEA.L thestring,A0
    MOVE.L  count,D0
    MOVEA.L buffer,A1
    MOVE.L  length,D1
    MOVEA.L keyMap,A2
    MOVEA.L KeymapBase,A6
    JSR -048(A6)
    MOVEA.L (A7)+,A6
    MOVE.L  D0,@RESULT
  END;
END;

FUNCTION MapRawKey(event : pInputEvent; buffer : pCHAR; length : LONGINT; keyMap : pKeyMap) : INTEGER;
BEGIN
  ASM
    MOVE.L  A6,-(A7)
    MOVEA.L event,A0
    MOVEA.L buffer,A1
    MOVE.L  length,D1
    MOVEA.L keyMap,A2
    MOVEA.L KeymapBase,A6
    JSR -042(A6)
    MOVEA.L (A7)+,A6
    MOVE.L  D0,@RESULT
  END;
END;

PROCEDURE SetKeyMapDefault(keyMap : pKeyMap);
BEGIN
  ASM
    MOVE.L  A6,-(A7)
    MOVEA.L keyMap,A0
    MOVEA.L KeymapBase,A6
    JSR -030(A6)
    MOVEA.L (A7)+,A6
  END;
END;

END. (* UNIT KEYMAP *)