Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc. * |
| 3 | * * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a * |
| 5 | * copy of this software and associated documentation files (the * |
| 6 | * "Software"), to deal in the Software without restriction, including * |
| 7 | * without limitation the rights to use, copy, modify, merge, publish, * |
| 8 | * distribute, distribute with modifications, sublicense, and/or sell * |
| 9 | * copies of the Software, and to permit persons to whom the Software is * |
| 10 | * furnished to do so, subject to the following conditions: * |
| 11 | * * |
| 12 | * The above copyright notice and this permission notice shall be included * |
| 13 | * in all copies or substantial portions of the Software. * |
| 14 | * * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
| 16 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
| 18 | * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
| 19 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
| 20 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
| 21 | * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
| 22 | * * |
| 23 | * Except as contained in this notice, the name(s) of the above copyright * |
| 24 | * holders shall not be used in advertising or otherwise to promote the * |
| 25 | * sale, use or other dealings in this Software without prior written * |
| 26 | * authorization. * |
| 27 | ****************************************************************************/ |
| 28 | |
| 29 | /**************************************************************************** |
| 30 | * Author: Thomas E. Dickey 1997-on * |
| 31 | ****************************************************************************/ |
| 32 | |
| 33 | #include <curses.priv.h> |
| 34 | |
| 35 | MODULE_ID("$Id: define_key.c,v 1.13 2006/12/30 23:23:31 tom Exp $") |
| 36 | |
| 37 | NCURSES_EXPORT(int) |
| 38 | define_key(const char *str, int keycode) |
| 39 | { |
| 40 | int code = ERR; |
| 41 | |
| 42 | T((T_CALLED("define_key(%s,%d)"), _nc_visbuf(str), keycode)); |
| 43 | if (SP == 0) { |
| 44 | code = ERR; |
| 45 | } else if (keycode > 0) { |
| 46 | unsigned ukey = (unsigned) keycode; |
| 47 | |
| 48 | if (str != 0) { |
| 49 | define_key(str, 0); |
| 50 | } else if (has_key(keycode)) { |
| 51 | while (_nc_remove_key(&(SP->_keytry), ukey)) |
| 52 | code = OK; |
| 53 | } |
| 54 | if (str != 0) { |
| 55 | if (key_defined(str) == 0) { |
| 56 | if (_nc_add_to_try(&(SP->_keytry), str, ukey) == OK) { |
| 57 | code = OK; |
| 58 | } else { |
| 59 | code = ERR; |
| 60 | } |
| 61 | } else { |
| 62 | code = ERR; |
| 63 | } |
| 64 | } |
| 65 | } else { |
| 66 | while (_nc_remove_string(&(SP->_keytry), str)) |
| 67 | code = OK; |
| 68 | } |
| 69 | returnCode(code); |
| 70 | } |