1 /* $OpenBSD: cmd-unbind-key.c,v 1.18 2013/10/11 08:06:03 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include <stdlib.h> 22 23 #include "tmux.h" 24 25 /* 26 * Unbind key from command. 27 */ 28 29 enum cmd_retval cmd_unbind_key_exec(struct cmd *, struct cmd_q *); 30 enum cmd_retval cmd_unbind_key_table(struct cmd *, struct cmd_q *, int); 31 32 const struct cmd_entry cmd_unbind_key_entry = { 33 "unbind-key", "unbind", 34 "acnt:", 0, 1, 35 "[-acn] [-t key-table] key", 36 0, 37 NULL, 38 cmd_unbind_key_exec 39 }; 40 41 enum cmd_retval 42 cmd_unbind_key_exec(struct cmd *self, struct cmd_q *cmdq) 43 { 44 struct args *args = self->args; 45 struct key_binding *bd; 46 int key; 47 48 if (!args_has(args, 'a')) { 49 if (args->argc != 1) { 50 cmdq_error(cmdq, "missing key"); 51 return (CMD_RETURN_ERROR); 52 } 53 key = key_string_lookup_string(args->argv[0]); 54 if (key == KEYC_NONE) { 55 cmdq_error(cmdq, "unknown key: %s", args->argv[0]); 56 return (CMD_RETURN_ERROR); 57 } 58 } else { 59 if (args->argc != 0) { 60 cmdq_error(cmdq, "key given with -a"); 61 return (CMD_RETURN_ERROR); 62 } 63 key = KEYC_NONE; 64 } 65 66 if (args_has(args, 't')) 67 return (cmd_unbind_key_table(self, cmdq, key)); 68 69 if (key == KEYC_NONE) { 70 while (!RB_EMPTY(&key_bindings)) { 71 bd = RB_ROOT(&key_bindings); 72 key_bindings_remove(bd->key); 73 } 74 return (CMD_RETURN_NORMAL); 75 } 76 77 if (!args_has(args, 'n')) 78 key |= KEYC_PREFIX; 79 key_bindings_remove(key); 80 return (CMD_RETURN_NORMAL); 81 } 82 83 enum cmd_retval 84 cmd_unbind_key_table(struct cmd *self, struct cmd_q *cmdq, int key) 85 { 86 struct args *args = self->args; 87 const char *tablename; 88 const struct mode_key_table *mtab; 89 struct mode_key_binding *mbind, mtmp; 90 91 tablename = args_get(args, 't'); 92 if ((mtab = mode_key_findtable(tablename)) == NULL) { 93 cmdq_error(cmdq, "unknown key table: %s", tablename); 94 return (CMD_RETURN_ERROR); 95 } 96 97 if (key == KEYC_NONE) { 98 while (!RB_EMPTY(mtab->tree)) { 99 mbind = RB_ROOT(mtab->tree); 100 RB_REMOVE(mode_key_tree, mtab->tree, mbind); 101 free(mbind); 102 } 103 return (CMD_RETURN_NORMAL); 104 } 105 106 mtmp.key = key; 107 mtmp.mode = !!args_has(args, 'c'); 108 if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) { 109 RB_REMOVE(mode_key_tree, mtab->tree, mbind); 110 free(mbind); 111 } 112 return (CMD_RETURN_NORMAL); 113 } 114