1 /* $OpenBSD$ */ 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 * List key bindings. 28 */ 29 30 static enum cmd_retval cmd_list_keys_exec(struct cmd *, struct cmdq_item *); 31 32 static enum cmd_retval cmd_list_keys_commands(struct cmd *, 33 struct cmdq_item *); 34 35 const struct cmd_entry cmd_list_keys_entry = { 36 .name = "list-keys", 37 .alias = "lsk", 38 39 .args = { "T:", 0, 0 }, 40 .usage = "[-T key-table]", 41 42 .flags = CMD_STARTSERVER|CMD_AFTERHOOK, 43 .exec = cmd_list_keys_exec 44 }; 45 46 const struct cmd_entry cmd_list_commands_entry = { 47 .name = "list-commands", 48 .alias = "lscm", 49 50 .args = { "F:", 0, 0 }, 51 .usage = "[-F format]", 52 53 .flags = CMD_STARTSERVER|CMD_AFTERHOOK, 54 .exec = cmd_list_keys_exec 55 }; 56 57 static enum cmd_retval 58 cmd_list_keys_exec(struct cmd *self, struct cmdq_item *item) 59 { 60 struct args *args = self->args; 61 struct key_table *table; 62 struct key_binding *bd; 63 const char *key, *tablename, *r; 64 char *cp, tmp[BUFSIZ]; 65 int repeat, width, tablewidth, keywidth; 66 67 if (self->entry == &cmd_list_commands_entry) 68 return (cmd_list_keys_commands(self, item)); 69 70 tablename = args_get(args, 'T'); 71 if (tablename != NULL && key_bindings_get_table(tablename, 0) == NULL) { 72 cmdq_error(item, "table %s doesn't exist", tablename); 73 return (CMD_RETURN_ERROR); 74 } 75 76 repeat = 0; 77 tablewidth = keywidth = 0; 78 RB_FOREACH(table, key_tables, &key_tables) { 79 if (tablename != NULL && strcmp(table->name, tablename) != 0) 80 continue; 81 RB_FOREACH(bd, key_bindings, &table->key_bindings) { 82 key = key_string_lookup_key(bd->key); 83 84 if (bd->flags & KEY_BINDING_REPEAT) 85 repeat = 1; 86 87 width = utf8_cstrwidth(table->name); 88 if (width > tablewidth) 89 tablewidth = width; 90 width = utf8_cstrwidth(key); 91 if (width > keywidth) 92 keywidth = width; 93 } 94 } 95 96 RB_FOREACH(table, key_tables, &key_tables) { 97 if (tablename != NULL && strcmp(table->name, tablename) != 0) 98 continue; 99 RB_FOREACH(bd, key_bindings, &table->key_bindings) { 100 key = key_string_lookup_key(bd->key); 101 102 if (!repeat) 103 r = ""; 104 else if (bd->flags & KEY_BINDING_REPEAT) 105 r = "-r "; 106 else 107 r = " "; 108 xsnprintf(tmp, sizeof tmp, "%s-T ", r); 109 110 cp = utf8_padcstr(table->name, tablewidth); 111 strlcat(tmp, cp, sizeof tmp); 112 strlcat(tmp, " ", sizeof tmp); 113 free(cp); 114 115 cp = utf8_padcstr(key, keywidth); 116 strlcat(tmp, cp, sizeof tmp); 117 strlcat(tmp, " ", sizeof tmp); 118 free(cp); 119 120 cp = cmd_list_print(bd->cmdlist); 121 strlcat(tmp, cp, sizeof tmp); 122 free(cp); 123 124 cmdq_print(item, "bind-key %s", tmp); 125 } 126 } 127 128 return (CMD_RETURN_NORMAL); 129 } 130 131 static enum cmd_retval 132 cmd_list_keys_commands(struct cmd *self, struct cmdq_item *item) 133 { 134 struct args *args = self->args; 135 const struct cmd_entry **entryp; 136 const struct cmd_entry *entry; 137 struct format_tree *ft; 138 const char *template, *s; 139 char *line; 140 141 if ((template = args_get(args, 'F')) == NULL) { 142 template = "#{command_list_name}" 143 "#{?command_list_alias, (#{command_list_alias}),} " 144 "#{command_list_usage}"; 145 } 146 147 ft = format_create(item->client, item, FORMAT_NONE, 0); 148 format_defaults(ft, NULL, NULL, NULL, NULL); 149 150 for (entryp = cmd_table; *entryp != NULL; entryp++) { 151 entry = *entryp; 152 153 format_add(ft, "command_list_name", "%s", entry->name); 154 if (entry->alias != NULL) 155 s = entry->alias; 156 else 157 s = ""; 158 format_add(ft, "command_list_alias", "%s", s); 159 if (entry->usage != NULL) 160 s = entry->usage; 161 else 162 s = ""; 163 format_add(ft, "command_list_usage", "%s", s); 164 165 line = format_expand(ft, template); 166 if (*line != '\0') 167 cmdq_print(item, "%s", line); 168 free(line); 169 } 170 171 format_free(ft); 172 return (CMD_RETURN_NORMAL); 173 } 174