1 /* $OpenBSD: cmd-unbind-key.c,v 1.25 2016/01/19 15:59:12 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com> 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 *, 31 key_code); 32 33 const struct cmd_entry cmd_unbind_key_entry = { 34 .name = "unbind-key", 35 .alias = "unbind", 36 37 .args = { "acnt:T:", 0, 1 }, 38 .usage = "[-acn] [-t mode-table] [-T key-table] key", 39 40 .flags = 0, 41 .exec = cmd_unbind_key_exec 42 }; 43 44 enum cmd_retval 45 cmd_unbind_key_exec(struct cmd *self, struct cmd_q *cmdq) 46 { 47 struct args *args = self->args; 48 key_code key; 49 const char *tablename; 50 51 if (!args_has(args, 'a')) { 52 if (args->argc != 1) { 53 cmdq_error(cmdq, "missing key"); 54 return (CMD_RETURN_ERROR); 55 } 56 key = key_string_lookup_string(args->argv[0]); 57 if (key == KEYC_NONE || key == KEYC_UNKNOWN) { 58 cmdq_error(cmdq, "unknown key: %s", args->argv[0]); 59 return (CMD_RETURN_ERROR); 60 } 61 } else { 62 if (args->argc != 0) { 63 cmdq_error(cmdq, "key given with -a"); 64 return (CMD_RETURN_ERROR); 65 } 66 key = KEYC_UNKNOWN; 67 } 68 69 if (args_has(args, 't')) 70 return (cmd_unbind_key_mode_table(self, cmdq, key)); 71 72 if (key == KEYC_UNKNOWN) { 73 tablename = args_get(args, 'T'); 74 if (tablename == NULL) { 75 key_bindings_remove_table("root"); 76 key_bindings_remove_table("prefix"); 77 return (CMD_RETURN_NORMAL); 78 } 79 if (key_bindings_get_table(tablename, 0) == NULL) { 80 cmdq_error(cmdq, "table %s doesn't exist", tablename); 81 return (CMD_RETURN_ERROR); 82 } 83 key_bindings_remove_table(tablename); 84 return (CMD_RETURN_NORMAL); 85 } 86 87 if (args_has(args, 'T')) { 88 tablename = args_get(args, 'T'); 89 if (key_bindings_get_table(tablename, 0) == NULL) { 90 cmdq_error(cmdq, "table %s doesn't exist", tablename); 91 return (CMD_RETURN_ERROR); 92 } 93 } else if (args_has(args, 'n')) 94 tablename = "root"; 95 else 96 tablename = "prefix"; 97 key_bindings_remove(tablename, key); 98 return (CMD_RETURN_NORMAL); 99 } 100 101 enum cmd_retval 102 cmd_unbind_key_mode_table(struct cmd *self, struct cmd_q *cmdq, key_code key) 103 { 104 struct args *args = self->args; 105 const char *tablename; 106 const struct mode_key_table *mtab; 107 struct mode_key_binding *mbind, mtmp; 108 109 tablename = args_get(args, 't'); 110 if ((mtab = mode_key_findtable(tablename)) == NULL) { 111 cmdq_error(cmdq, "unknown key table: %s", tablename); 112 return (CMD_RETURN_ERROR); 113 } 114 115 if (key == KEYC_UNKNOWN) { 116 while (!RB_EMPTY(mtab->tree)) { 117 mbind = RB_ROOT(mtab->tree); 118 RB_REMOVE(mode_key_tree, mtab->tree, mbind); 119 free(mbind); 120 } 121 return (CMD_RETURN_NORMAL); 122 } 123 124 mtmp.key = key; 125 mtmp.mode = !!args_has(args, 'c'); 126 if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) { 127 RB_REMOVE(mode_key_tree, mtab->tree, mbind); 128 free(mbind); 129 } 130 return (CMD_RETURN_NORMAL); 131 } 132