1 /* $OpenBSD: cmd-list-keys.c,v 1.27 2015/10/26 22:03:04 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 <string.h> 22 23 #include "tmux.h" 24 25 /* 26 * List key bindings. 27 */ 28 29 enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmd_q *); 30 31 enum cmd_retval cmd_list_keys_table(struct cmd *, struct cmd_q *); 32 enum cmd_retval cmd_list_keys_commands(struct cmd *, struct cmd_q *); 33 34 const struct cmd_entry cmd_list_keys_entry = { 35 "list-keys", "lsk", 36 "t:T:", 0, 0, 37 "[-t mode-table] [-T key-table]", 38 0, 39 cmd_list_keys_exec 40 }; 41 42 const struct cmd_entry cmd_list_commands_entry = { 43 "list-commands", "lscm", 44 "", 0, 0, 45 "", 46 0, 47 cmd_list_keys_exec 48 }; 49 50 enum cmd_retval 51 cmd_list_keys_exec(struct cmd *self, struct cmd_q *cmdq) 52 { 53 struct args *args = self->args; 54 struct key_table *table; 55 struct key_binding *bd; 56 const char *key, *tablename, *r; 57 char tmp[BUFSIZ]; 58 size_t used; 59 int repeat, width, tablewidth, keywidth; 60 61 if (self->entry == &cmd_list_commands_entry) 62 return (cmd_list_keys_commands(self, cmdq)); 63 64 if (args_has(args, 't')) 65 return (cmd_list_keys_table(self, cmdq)); 66 67 tablename = args_get(args, 'T'); 68 if (tablename != NULL && key_bindings_get_table(tablename, 0) == NULL) { 69 cmdq_error(cmdq, "table %s doesn't exist", tablename); 70 return (CMD_RETURN_ERROR); 71 } 72 73 repeat = 0; 74 tablewidth = keywidth = 0; 75 RB_FOREACH(table, key_tables, &key_tables) { 76 if (tablename != NULL && strcmp(table->name, tablename) != 0) 77 continue; 78 RB_FOREACH(bd, key_bindings, &table->key_bindings) { 79 key = key_string_lookup_key(bd->key); 80 81 if (bd->can_repeat) 82 repeat = 1; 83 84 width = strlen(table->name); 85 if (width > tablewidth) 86 tablewidth =width; 87 width = strlen(key); 88 if (width > keywidth) 89 keywidth = width; 90 } 91 } 92 93 RB_FOREACH(table, key_tables, &key_tables) { 94 if (tablename != NULL && strcmp(table->name, tablename) != 0) 95 continue; 96 RB_FOREACH(bd, key_bindings, &table->key_bindings) { 97 key = key_string_lookup_key(bd->key); 98 99 if (!repeat) 100 r = ""; 101 else if (bd->can_repeat) 102 r = "-r "; 103 else 104 r = " "; 105 used = xsnprintf(tmp, sizeof tmp, "%s-T %-*s %-*s ", r, 106 (int)tablewidth, table->name, (int)keywidth, key); 107 if (used < sizeof tmp) { 108 cmd_list_print(bd->cmdlist, tmp + used, 109 (sizeof tmp) - used); 110 } 111 112 cmdq_print(cmdq, "bind-key %s", tmp); 113 } 114 } 115 116 return (CMD_RETURN_NORMAL); 117 } 118 119 enum cmd_retval 120 cmd_list_keys_table(struct cmd *self, struct cmd_q *cmdq) 121 { 122 struct args *args = self->args; 123 const char *tablename; 124 const struct mode_key_table *mtab; 125 struct mode_key_binding *mbind; 126 const char *key, *cmdstr, *mode; 127 int width, keywidth, any_mode; 128 129 tablename = args_get(args, 't'); 130 if ((mtab = mode_key_findtable(tablename)) == NULL) { 131 cmdq_error(cmdq, "unknown key table: %s", tablename); 132 return (CMD_RETURN_ERROR); 133 } 134 135 width = 0; 136 any_mode = 0; 137 RB_FOREACH(mbind, mode_key_tree, mtab->tree) { 138 key = key_string_lookup_key(mbind->key); 139 140 if (mbind->mode != 0) 141 any_mode = 1; 142 143 keywidth = strlen(key); 144 if (keywidth > width) 145 width = keywidth; 146 } 147 148 RB_FOREACH(mbind, mode_key_tree, mtab->tree) { 149 key = key_string_lookup_key(mbind->key); 150 151 mode = ""; 152 if (mbind->mode != 0) 153 mode = "c"; 154 cmdstr = mode_key_tostring(mtab->cmdstr, mbind->cmd); 155 if (cmdstr != NULL) { 156 cmdq_print(cmdq, "bind-key -%st %s%s %*s %s%s%s%s", 157 mode, any_mode && *mode == '\0' ? " " : "", 158 mtab->name, (int) width, key, cmdstr, 159 mbind->arg != NULL ? " \"" : "", 160 mbind->arg != NULL ? mbind->arg : "", 161 mbind->arg != NULL ? "\"": ""); 162 } 163 } 164 165 return (CMD_RETURN_NORMAL); 166 } 167 168 enum cmd_retval 169 cmd_list_keys_commands(unused struct cmd *self, struct cmd_q *cmdq) 170 { 171 const struct cmd_entry **entryp; 172 const struct cmd_entry *entry; 173 174 for (entryp = cmd_table; *entryp != NULL; entryp++) { 175 entry = *entryp; 176 if (entry->alias == NULL) { 177 cmdq_print(cmdq, "%s %s", entry->name, entry->usage); 178 continue; 179 } 180 cmdq_print(cmdq, "%s (%s) %s", entry->name, entry->alias, 181 entry->usage); 182 } 183 184 return (CMD_RETURN_NORMAL); 185 } 186