1 /* $OpenBSD: cmd-unbind-key.c,v 1.20 2014/10/20 22:29:25 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_mode_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 mode-table] key", 36 0, 37 cmd_unbind_key_exec 38 }; 39 40 enum cmd_retval 41 cmd_unbind_key_exec(struct cmd *self, struct cmd_q *cmdq) 42 { 43 struct args *args = self->args; 44 struct key_binding *bd; 45 int key; 46 47 if (!args_has(args, 'a')) { 48 if (args->argc != 1) { 49 cmdq_error(cmdq, "missing key"); 50 return (CMD_RETURN_ERROR); 51 } 52 key = key_string_lookup_string(args->argv[0]); 53 if (key == KEYC_NONE) { 54 cmdq_error(cmdq, "unknown key: %s", args->argv[0]); 55 return (CMD_RETURN_ERROR); 56 } 57 } else { 58 if (args->argc != 0) { 59 cmdq_error(cmdq, "key given with -a"); 60 return (CMD_RETURN_ERROR); 61 } 62 key = KEYC_NONE; 63 } 64 65 if (args_has(args, 't')) 66 return (cmd_unbind_key_mode_table(self, cmdq, key)); 67 68 if (key == KEYC_NONE) { 69 while (!RB_EMPTY(&key_bindings)) { 70 bd = RB_ROOT(&key_bindings); 71 key_bindings_remove(bd->key); 72 } 73 return (CMD_RETURN_NORMAL); 74 } 75 76 if (!args_has(args, 'n')) 77 key |= KEYC_PREFIX; 78 key_bindings_remove(key); 79 return (CMD_RETURN_NORMAL); 80 } 81 82 enum cmd_retval 83 cmd_unbind_key_mode_table(struct cmd *self, struct cmd_q *cmdq, int key) 84 { 85 struct args *args = self->args; 86 const char *tablename; 87 const struct mode_key_table *mtab; 88 struct mode_key_binding *mbind, mtmp; 89 90 tablename = args_get(args, 't'); 91 if ((mtab = mode_key_findtable(tablename)) == NULL) { 92 cmdq_error(cmdq, "unknown key table: %s", tablename); 93 return (CMD_RETURN_ERROR); 94 } 95 96 if (key == KEYC_NONE) { 97 while (!RB_EMPTY(mtab->tree)) { 98 mbind = RB_ROOT(mtab->tree); 99 RB_REMOVE(mode_key_tree, mtab->tree, mbind); 100 free(mbind); 101 } 102 return (CMD_RETURN_NORMAL); 103 } 104 105 mtmp.key = key; 106 mtmp.mode = !!args_has(args, 'c'); 107 if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) { 108 RB_REMOVE(mode_key_tree, mtab->tree, mbind); 109 free(mbind); 110 } 111 return (CMD_RETURN_NORMAL); 112 } 113