{
    Free Pascal port of the OpenPTC C++ library.
    Copyright (C) 2001-2003  Nikolay Nikolov (nickysn@users.sourceforge.net)
    Original C++ version by Glenn Fiedler (ptc@gaffer.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 2.1 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
}

Type
  TPTCKeyEvent=Class(TPTCEvent)
  Private
    FCode : Integer;
    FUnicode : Integer;
    FAlt : Boolean;
    FShift : Boolean;
    FControl : Boolean;
    FPress : Boolean;

    Function GetRelease : Boolean;
  Protected
    Function GetType : TPTCEventType; Override;
  Public
    Constructor Create;
    Constructor Create(ACode : Integer);
    Constructor Create(ACode, AUnicode : Integer);
    Constructor Create(ACode, AUnicode : Integer; APress : Boolean);
    Constructor Create(ACode : Integer; AAlt, AShift, AControl : Boolean);
    Constructor Create(ACode : Integer; AAlt, AShift, AControl, APress : Boolean);
    Constructor Create(ACode, AUnicode : Integer;
                       AAlt, AShift, AControl : Boolean);
    Constructor Create(ACode, AUnicode : Integer;
                       AAlt, AShift, AControl, APress : Boolean);
    Constructor Create(Const AKey : TPTCKeyEvent);
    Procedure Assign(Const AKey : TPTCKeyEvent);
    Function Equals(Const AKey : TPTCKeyEvent) : Boolean;
    Property Code : Integer read FCode;
    Property Unicode : Integer read FUnicode;
    Property Alt : Boolean read FAlt;
    Property Shift : Boolean read FShift;
    Property Control : Boolean read FControl;
    Property Press : Boolean read FPress;
    Property Release : Boolean read GetRelease;
  End;

Const
  PTCKEY_UNDEFINED    = $00;
  PTCKEY_CANCEL       = $03;
  PTCKEY_BACKSPACE    = $08; {'\b'}
  PTCKEY_TAB          = $09; {'\t'}
  PTCKEY_ENTER        = $0A; {'\n'}
  PTCKEY_CLEAR        = $0C;
  PTCKEY_SHIFT        = $10;
  PTCKEY_CONTROL      = $11;
  PTCKEY_ALT          = $12;
  PTCKEY_PAUSE        = $13;
  PTCKEY_CAPSLOCK     = $14;
  PTCKEY_KANA         = $15;
  PTCKEY_FINAL        = $18;
  PTCKEY_KANJI        = $19;
  PTCKEY_ESCAPE       = $1B;
  PTCKEY_CONVERT      = $1C;
  PTCKEY_NONCONVERT   = $1D;
  PTCKEY_ACCEPT       = $1E;
  PTCKEY_MODECHANGE   = $1F;
  PTCKEY_SPACE        = $20;
  PTCKEY_PAGEUP       = $21;
  PTCKEY_PAGEDOWN     = $22;
  PTCKEY_END          = $23;
  PTCKEY_HOME         = $24;
  PTCKEY_LEFT         = $25;
  PTCKEY_UP           = $26;
  PTCKEY_RIGHT        = $27;
  PTCKEY_DOWN         = $28;
  PTCKEY_COMMA        = $2C; {','}
  PTCKEY_PERIOD       = $2E; {'.'}
  PTCKEY_SLASH        = $2F; {'/'}
  PTCKEY_ZERO         = $30;
  PTCKEY_ONE          = $31;
  PTCKEY_TWO          = $32;
  PTCKEY_THREE        = $33;
  PTCKEY_FOUR         = $34;
  PTCKEY_FIVE         = $35;
  PTCKEY_SIX          = $36;
  PTCKEY_SEVEN        = $37;
  PTCKEY_EIGHT        = $38;
  PTCKEY_NINE         = $39;
  PTCKEY_SEMICOLON    = $3B; {';'}
  PTCKEY_EQUALS       = $3D; {'='}
  PTCKEY_A            = $41;
  PTCKEY_B            = $42;
  PTCKEY_C            = $43;
  PTCKEY_D            = $44;
  PTCKEY_E            = $45;
  PTCKEY_F            = $46;
  PTCKEY_G            = $47;
  PTCKEY_H            = $48;
  PTCKEY_I            = $49;
  PTCKEY_J            = $4A;
  PTCKEY_K            = $4B;
  PTCKEY_L            = $4C;
  PTCKEY_M            = $4D;
  PTCKEY_N            = $4E;
  PTCKEY_O            = $4F;
  PTCKEY_P            = $50;
  PTCKEY_Q            = $51;
  PTCKEY_R            = $52;
  PTCKEY_S            = $53;
  PTCKEY_T            = $54;
  PTCKEY_U            = $55;
  PTCKEY_V            = $56;
  PTCKEY_W            = $57;
  PTCKEY_X            = $58;
  PTCKEY_Y            = $59;
  PTCKEY_Z            = $5A;
  PTCKEY_OPENBRACKET  = $5B; {'['}
  PTCKEY_BACKSLASH    = $5C; {'\'}
  PTCKEY_CLOSEBRACKET = $5D; {']'}
  PTCKEY_NUMPAD0      = $60;
  PTCKEY_NUMPAD1      = $61;
  PTCKEY_NUMPAD2      = $62;
  PTCKEY_NUMPAD3      = $63;
  PTCKEY_NUMPAD4      = $64;
  PTCKEY_NUMPAD5      = $65;
  PTCKEY_NUMPAD6      = $66;
  PTCKEY_NUMPAD7      = $67;
  PTCKEY_NUMPAD8      = $68;
  PTCKEY_NUMPAD9      = $69;
  PTCKEY_MULTIPLY     = $6A; {numpad '*'}
  PTCKEY_ADD          = $6B; {numpad '+'}
  PTCKEY_SEPARATOR    = $6C;
  PTCKEY_SUBTRACT     = $6D; {numpad '-'}
  PTCKEY_DECIMAL      = $6E; {numpad '.'}
  PTCKEY_DIVIDE       = $6F; {numpad '/'}
  PTCKEY_F1           = $70;
  PTCKEY_F2           = $71;
  PTCKEY_F3           = $72;
  PTCKEY_F4           = $73;
  PTCKEY_F5           = $74;
  PTCKEY_F6           = $75;
  PTCKEY_F7           = $76;
  PTCKEY_F8           = $77;
  PTCKEY_F9           = $78;
  PTCKEY_F10          = $79;
  PTCKEY_F11          = $7A;
  PTCKEY_F12          = $7B;
  PTCKEY_DELETE       = $7F;
  PTCKEY_NUMLOCK      = $90;
  PTCKEY_SCROLLLOCK   = $91;
  PTCKEY_PRINTSCREEN  = $9A;
  PTCKEY_INSERT       = $9B;
  PTCKEY_HELP         = $9C;
  PTCKEY_META         = $9D;
  PTCKEY_BACKQUOTE    = $C0;
  PTCKEY_QUOTE        = $DE;