1 /* $OpenBSD: cmd-bind-key.c,v 1.20 2015/04/10 16:00:08 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 #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 *, int); 33 34 const struct cmd_entry cmd_bind_key_entry = { 35 "bind-key", "bind", 36 "cnrt:", 1, -1, 37 "[-cnr] [-t mode-table] key command [arguments]", 38 0, 39 cmd_bind_key_exec 40 }; 41 42 enum cmd_retval 43 cmd_bind_key_exec(struct cmd *self, struct cmd_q *cmdq) 44 { 45 struct args *args = self->args; 46 char *cause; 47 struct cmd_list *cmdlist; 48 int key; 49 50 if (args_has(args, 't')) { 51 if (args->argc != 2 && args->argc != 3) { 52 cmdq_error(cmdq, "not enough arguments"); 53 return (CMD_RETURN_ERROR); 54 } 55 } else { 56 if (args->argc < 2) { 57 cmdq_error(cmdq, "not enough arguments"); 58 return (CMD_RETURN_ERROR); 59 } 60 } 61 62 key = key_string_lookup_string(args->argv[0]); 63 if (key == KEYC_NONE) { 64 cmdq_error(cmdq, "unknown key: %s", args->argv[0]); 65 return (CMD_RETURN_ERROR); 66 } 67 68 if (args_has(args, 't')) 69 return (cmd_bind_key_mode_table(self, cmdq, key)); 70 71 cmdlist = cmd_list_parse(args->argc - 1, args->argv + 1, NULL, 0, 72 &cause); 73 if (cmdlist == NULL) { 74 cmdq_error(cmdq, "%s", cause); 75 free(cause); 76 return (CMD_RETURN_ERROR); 77 } 78 79 if (!args_has(args, 'n')) 80 key |= KEYC_PREFIX; 81 key_bindings_add(key, args_has(args, 'r'), cmdlist); 82 return (CMD_RETURN_NORMAL); 83 } 84 85 enum cmd_retval 86 cmd_bind_key_mode_table(struct cmd *self, struct cmd_q *cmdq, int key) 87 { 88 struct args *args = self->args; 89 const char *tablename; 90 const struct mode_key_table *mtab; 91 struct mode_key_binding *mbind, mtmp; 92 enum mode_key_cmd cmd; 93 const char *arg; 94 95 tablename = args_get(args, 't'); 96 if ((mtab = mode_key_findtable(tablename)) == NULL) { 97 cmdq_error(cmdq, "unknown key table: %s", tablename); 98 return (CMD_RETURN_ERROR); 99 } 100 101 cmd = mode_key_fromstring(mtab->cmdstr, args->argv[1]); 102 if (cmd == MODEKEY_NONE) { 103 cmdq_error(cmdq, "unknown command: %s", args->argv[1]); 104 return (CMD_RETURN_ERROR); 105 } 106 107 switch (cmd) { 108 case MODEKEYCOPY_APPENDSELECTION: 109 case MODEKEYCOPY_COPYSELECTION: 110 case MODEKEYCOPY_STARTNAMEDBUFFER: 111 if (args->argc == 2) 112 arg = NULL; 113 else { 114 arg = args->argv[2]; 115 if (strcmp(arg, "-x") != 0) { 116 cmdq_error(cmdq, "unknown argument"); 117 return (CMD_RETURN_ERROR); 118 } 119 } 120 break; 121 case MODEKEYCOPY_COPYPIPE: 122 if (args->argc != 3) { 123 cmdq_error(cmdq, "no argument given"); 124 return (CMD_RETURN_ERROR); 125 } 126 arg = args->argv[2]; 127 break; 128 default: 129 if (args->argc != 2) { 130 cmdq_error(cmdq, "no argument allowed"); 131 return (CMD_RETURN_ERROR); 132 } 133 arg = NULL; 134 break; 135 } 136 137 mtmp.key = key; 138 mtmp.mode = !!args_has(args, 'c'); 139 if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) == NULL) { 140 mbind = xmalloc(sizeof *mbind); 141 mbind->key = mtmp.key; 142 mbind->mode = mtmp.mode; 143 RB_INSERT(mode_key_tree, mtab->tree, mbind); 144 } 145 mbind->cmd = cmd; 146 mbind->arg = arg != NULL ? xstrdup(arg) : NULL; 147 return (CMD_RETURN_NORMAL); 148 } 149