{
    Free Pascal port of the OpenPTC C++ library.
    Copyright (C) 2001-2010  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
    with the following modification:

    As a special exception, the copyright holders of this library give you
    permission to link this library with independent modules to produce an
    executable, regardless of the license terms of these independent modules,and
    to copy and distribute the resulting executable under terms of your choice,
    provided that you also meet, for each linked independent module, the terms
    and conditions of the license of that module. An independent module is a
    module which is not derived from or based on this library. If you modify
    this library, you may extend this exception to your version of the library,
    but you are not obligated to do so. If you do not wish to do so, delete this
    exception statement from your 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
}

{ setup }
function ptc_key_create(code: Integer; alt, shift, control: Boolean): TPTC_KEY;
procedure ptc_key_destroy(obj: TPTC_KEY);

{ key code }
function ptc_key_code(obj: TPTC_KEY): Integer;

{ modifiers }
function ptc_key_alt(obj: TPTC_KEY): Boolean;
function ptc_key_shift(obj: TPTC_KEY): Boolean;
function ptc_key_control(obj: TPTC_KEY): Boolean;

{ operators }
procedure ptc_key_assign(obj: TPTC_KEY; key: TPTC_KEY);
function ptc_key_equals(obj: TPTC_KEY; key: TPTC_KEY): Boolean;

{ key codes }
{#define PTC_KEY_ENTER            '\n'
#define PTC_KEY_BACKSPACE        '\b'
#define PTC_KEY_TAB              '\t'
#define PTC_KEY_CANCEL           0x03
#define PTC_KEY_CLEAR            0x0C
#define PTC_KEY_SHIFT            0x10
#define PTC_KEY_CONTROL          0x11
#define PTC_KEY_ALT              0x12
#define PTC_KEY_PAUSE            0x13
#define PTC_KEY_CAPSLOCK         0x14
#define PTC_KEY_ESCAPE           0x1B
#define PTC_KEY_SPACE            0x20
#define PTC_KEY_PAGEUP           0x21
#define PTC_KEY_PAGEDOWN         0x22
#define PTC_KEY_END              0x23
#define PTC_KEY_HOME             0x24
#define PTC_KEY_LEFT             0x25
#define PTC_KEY_UP               0x26
#define PTC_KEY_RIGHT            0x27
#define PTC_KEY_DOWN             0x28
#define PTC_KEY_COMMA            0x2C
#define PTC_KEY_PERIOD           0x2E
#define PTC_KEY_SLASH            0x2F
#define PTC_KEY_ZERO             0x30
#define PTC_KEY_ONE              0x31
#define PTC_KEY_TWO              0x32
#define PTC_KEY_THREE            0x33
#define PTC_KEY_FOUR             0x34
#define PTC_KEY_FIVE             0x35
#define PTC_KEY_SIX              0x36
#define PTC_KEY_SEVEN            0x37
#define PTC_KEY_EIGHT            0x38
#define PTC_KEY_NINE             0x39
#define PTC_KEY_SEMICOLON        0x3B
#define PTC_KEY_EQUALS           0x3D
#define PTC_KEY_A                0x41
#define PTC_KEY_B                0x42
#define PTC_KEY_C                0x43
#define PTC_KEY_D                0x44
#define PTC_KEY_E                0x45
#define PTC_KEY_F                0x46
#define PTC_KEY_G                0x47
#define PTC_KEY_H                0x48
#define PTC_KEY_I                0x49
#define PTC_KEY_J                0x4A
#define PTC_KEY_K                0x4B
#define PTC_KEY_L                0x4C
#define PTC_KEY_M                0x4D
#define PTC_KEY_N                0x4E
#define PTC_KEY_O                0x4F
#define PTC_KEY_P                0x50
#define PTC_KEY_Q                0x51
#define PTC_KEY_R                0x52
#define PTC_KEY_S                0x53
#define PTC_KEY_T                0x54
#define PTC_KEY_U                0x55
#define PTC_KEY_V                0x56
#define PTC_KEY_W                0x57
#define PTC_KEY_X                0x58
#define PTC_KEY_Y                0x59
#define PTC_KEY_Z                0x5A
#define PTC_KEY_OPENBRACKET      0x5B
#define PTC_KEY_BACKSLASH        0x5C
#define PTC_KEY_CLOSEBRACKET     0x5D
#define PTC_KEY_NUMPAD0          0x60
#define PTC_KEY_NUMPAD1          0x61
#define PTC_KEY_NUMPAD2          0x62
#define PTC_KEY_NUMPAD3          0x63
#define PTC_KEY_NUMPAD4          0x64
#define PTC_KEY_NUMPAD5          0x65
#define PTC_KEY_NUMPAD6          0x66
#define PTC_KEY_NUMPAD7          0x67
#define PTC_KEY_NUMPAD8          0x68
#define PTC_KEY_NUMPAD9          0x69
#define PTC_KEY_MULTIPLY         0x6A
#define PTC_KEY_ADD              0x6B
#define PTC_KEY_SEPARATOR        0x6C
#define PTC_KEY_SUBTRACT         0x6D
#define PTC_KEY_DECIMAL          0x6E
#define PTC_KEY_DIVIDE           0x6F
#define PTC_KEY_F1               0x70
#define PTC_KEY_F2               0x71
#define PTC_KEY_F3               0x72
#define PTC_KEY_F4               0x73
#define PTC_KEY_F5               0x74
#define PTC_KEY_F6               0x75
#define PTC_KEY_F7               0x76
#define PTC_KEY_F8               0x77
#define PTC_KEY_F9               0x78
#define PTC_KEY_F10              0x79
#define PTC_KEY_F11              0x7A
#define PTC_KEY_F12              0x7B
#define PTC_KEY_DELETE           0x7F
#define PTC_KEY_NUMLOCK          0x90
#define PTC_KEY_SCROLLLOCK       0x91
#define PTC_KEY_PRINTSCREEN      0x9A
#define PTC_KEY_INSERT           0x9B
#define PTC_KEY_HELP             0x9C
#define PTC_KEY_META             0x9D
#define PTC_KEY_BACKQUOTE        0xC0
#define PTC_KEY_QUOTE            0xDE
#define PTC_KEY_FINAL            0x18
#define PTC_KEY_CONVERT          0x1C
#define PTC_KEY_NONCONVERT       0x1D
#define PTC_KEY_ACCEPT           0x1E
#define PTC_KEY_MODECHANGE       0x1F
#define PTC_KEY_KANA             0x15
#define PTC_KEY_KANJI            0x19
#define PTC_KEY_UNDEFINED        0x0}