1 /* $OpenBSD: cmd-bind-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 #include <string.h> 23 24 #include "tmux.h" 25 26 /* 27 * Bind a key to a command, this recurses through cmd_*. 28 */ 29 30 enum cmd_retval cmd_bind_key_exec(struct cmd *, struct cmd_q *); 31 32 enum cmd_retval cmd_bind_key_mode_table(struct cmd *, struct cmd_q *, 33 key_code); 34 35 const struct cmd_entry cmd_bind_key_entry = { 36 .name = "bind-key", 37 .alias = "bind", 38 39 .args = { "cnrt:T:", 1, -1 }, 40 .usage = "[-cnr] [-t mode-table] [-T key-table] key command " 41 "[arguments]", 42 43 .flags = 0, 44 .exec = cmd_bind_key_exec 45 }; 46 47 enum cmd_retval 48 cmd_bind_key_exec(struct cmd *self, struct cmd_q *cmdq) 49 { 50 struct args *args = self->args; 51 char *cause; 52 struct cmd_list *cmdlist; 53 key_code key; 54 const char *tablename; 55 56 if (args_has(args, 't')) { 57 if (args->argc != 2 && args->argc != 3) { 58 cmdq_error(cmdq, "not enough arguments"); 59 return (CMD_RETURN_ERROR); 60 } 61 } else { 62 if (args->argc < 2) { 63 cmdq_error(cmdq, "not enough arguments"); 64 return (CMD_RETURN_ERROR); 65 } 66 } 67 68 key = key_string_lookup_string(args->argv[0]); 69 if (key == KEYC_NONE || key == KEYC_UNKNOWN) { 70 cmdq_error(cmdq, "unknown key: %s", args->argv[0]); 71 return (CMD_RETURN_ERROR); 72 } 73 74 if (args_has(args, 't')) 75 return (cmd_bind_key_mode_table(self, cmdq, key)); 76 77 if (args_has(args, 'T')) 78 tablename = args_get(args, 'T'); 79 else if (args_has(args, 'n')) 80 tablename = "root"; 81 else 82 tablename = "prefix"; 83 84 cmdlist = cmd_list_parse(args->argc - 1, args->argv + 1, NULL, 0, 85 &cause); 86 if (cmdlist == NULL) { 87 cmdq_error(cmdq, "%s", cause); 88 free(cause); 89 return (CMD_RETURN_ERROR); 90 } 91 92 key_bindings_add(tablename, key, args_has(args, 'r'), cmdlist); 93 return (CMD_RETURN_NORMAL); 94 } 95 96 enum cmd_retval 97 cmd_bind_key_mode_table(struct cmd *self, struct cmd_q *cmdq, key_code key) 98 { 99 struct args *args = self->args; 100 const char *tablename; 101 const struct mode_key_table *mtab; 102 struct mode_key_binding *mbind, mtmp; 103 enum mode_key_cmd cmd; 104 const char *arg; 105 106 tablename = args_get(args, 't'); 107 if ((mtab = mode_key_findtable(tablename)) == NULL) { 108 cmdq_error(cmdq, "unknown key table: %s", tablename); 109 return (CMD_RETURN_ERROR); 110 } 111 112 cmd = mode_key_fromstring(mtab->cmdstr, args->argv[1]); 113 if (cmd == MODEKEY_NONE) { 114 cmdq_error(cmdq, "unknown command: %s", args->argv[1]); 115 return (CMD_RETURN_ERROR); 116 } 117 118 switch (cmd) { 119 case MODEKEYCOPY_APPENDSELECTION: 120 case MODEKEYCOPY_COPYSELECTION: 121 case MODEKEYCOPY_STARTNAMEDBUFFER: 122 if (args->argc == 2) 123 arg = NULL; 124 else { 125 arg = args->argv[2]; 126 if (strcmp(arg, "-x") != 0) { 127 cmdq_error(cmdq, "unknown argument"); 128 return (CMD_RETURN_ERROR); 129 } 130 } 131 break; 132 case MODEKEYCOPY_COPYPIPE: 133 if (args->argc != 3) { 134 cmdq_error(cmdq, "no argument given"); 135 return (CMD_RETURN_ERROR); 136 } 137 arg = args->argv[2]; 138 break; 139 default: 140 if (args->argc != 2) { 141 cmdq_error(cmdq, "no argument allowed"); 142 return (CMD_RETURN_ERROR); 143 } 144 arg = NULL; 145 break; 146 } 147 148 mtmp.key = key; 149 mtmp.mode = !!args_has(args, 'c'); 150 if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) == NULL) { 151 mbind = xmalloc(sizeof *mbind); 152 mbind->key = mtmp.key; 153 mbind->mode = mtmp.mode; 154 RB_INSERT(mode_key_tree, mtab->tree, mbind); 155 } 156 mbind->cmd = cmd; 157 mbind->arg = arg != NULL ? xstrdup(arg) : NULL; 158 return (CMD_RETURN_NORMAL); 159 } 160