1 /* $OpenBSD: cmd-set-option.c,v 1.24 2009/11/01 23:20:37 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 * Set an option. 28 */ 29 30 int cmd_set_option_exec(struct cmd *, struct cmd_ctx *); 31 32 const struct cmd_entry cmd_set_option_entry = { 33 "set-option", "set", 34 "[-agu] " CMD_TARGET_SESSION_USAGE " option [value]", 35 CMD_ARG12, CMD_CHFLAG('a')|CMD_CHFLAG('g')|CMD_CHFLAG('u'), 36 NULL, 37 cmd_target_parse, 38 cmd_set_option_exec, 39 cmd_target_free, 40 cmd_target_print 41 }; 42 43 const char *set_option_status_keys_list[] = { 44 "emacs", "vi", NULL 45 }; 46 const char *set_option_status_justify_list[] = { 47 "left", "centre", "right", NULL 48 }; 49 const char *set_option_bell_action_list[] = { 50 "none", "any", "current", NULL 51 }; 52 const struct set_option_entry set_option_table[] = { 53 { "base-index", SET_OPTION_NUMBER, 0, INT_MAX, NULL }, 54 { "bell-action", SET_OPTION_CHOICE, 0, 0, set_option_bell_action_list }, 55 { "buffer-limit", SET_OPTION_NUMBER, 1, INT_MAX, NULL }, 56 { "default-command", SET_OPTION_STRING, 0, 0, NULL }, 57 { "default-path", SET_OPTION_STRING, 0, 0, NULL }, 58 { "default-shell", SET_OPTION_STRING, 0, 0, NULL }, 59 { "default-terminal", SET_OPTION_STRING, 0, 0, NULL }, 60 { "display-panes-colour", SET_OPTION_COLOUR, 0, 0, NULL }, 61 { "display-panes-time", SET_OPTION_NUMBER, 1, INT_MAX, NULL }, 62 { "display-time", SET_OPTION_NUMBER, 1, INT_MAX, NULL }, 63 { "history-limit", SET_OPTION_NUMBER, 0, INT_MAX, NULL }, 64 { "lock-after-time", SET_OPTION_NUMBER, 0, INT_MAX, NULL }, 65 { "lock-command", SET_OPTION_STRING, 0, 0, NULL }, 66 { "lock-server", SET_OPTION_FLAG, 0, 0, NULL }, 67 { "message-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL }, 68 { "message-bg", SET_OPTION_COLOUR, 0, 0, NULL }, 69 { "message-fg", SET_OPTION_COLOUR, 0, 0, NULL }, 70 { "mouse-select-pane", SET_OPTION_FLAG, 0, 0, NULL }, 71 { "prefix", SET_OPTION_KEYS, 0, 0, NULL }, 72 { "repeat-time", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL }, 73 { "set-remain-on-exit", SET_OPTION_FLAG, 0, 0, NULL }, 74 { "set-titles", SET_OPTION_FLAG, 0, 0, NULL }, 75 { "set-titles-string", SET_OPTION_STRING, 0, 0, NULL }, 76 { "status", SET_OPTION_FLAG, 0, 0, NULL }, 77 { "status-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL }, 78 { "status-bg", SET_OPTION_COLOUR, 0, 0, NULL }, 79 { "status-fg", SET_OPTION_COLOUR, 0, 0, NULL }, 80 { "status-interval", SET_OPTION_NUMBER, 0, INT_MAX, NULL }, 81 { "status-justify", 82 SET_OPTION_CHOICE, 0, 0, set_option_status_justify_list }, 83 { "status-keys", SET_OPTION_CHOICE, 0, 0, set_option_status_keys_list }, 84 { "status-left", SET_OPTION_STRING, 0, 0, NULL }, 85 { "status-left-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL }, 86 { "status-left-bg", SET_OPTION_COLOUR, 0, 0, NULL }, 87 { "status-left-fg", SET_OPTION_COLOUR, 0, 0, NULL }, 88 { "status-left-length", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL }, 89 { "status-right", SET_OPTION_STRING, 0, 0, NULL }, 90 { "status-right-attr", SET_OPTION_ATTRIBUTES, 0, 0, NULL }, 91 { "status-right-bg", SET_OPTION_COLOUR, 0, 0, NULL }, 92 { "status-right-fg", SET_OPTION_COLOUR, 0, 0, NULL }, 93 { "status-right-length", SET_OPTION_NUMBER, 0, SHRT_MAX, NULL }, 94 { "status-utf8", SET_OPTION_FLAG, 0, 0, NULL }, 95 { "terminal-overrides", SET_OPTION_STRING, 0, 0, NULL }, 96 { "update-environment", SET_OPTION_STRING, 0, 0, NULL }, 97 { "visual-activity", SET_OPTION_FLAG, 0, 0, NULL }, 98 { "visual-bell", SET_OPTION_FLAG, 0, 0, NULL }, 99 { "visual-content", SET_OPTION_FLAG, 0, 0, NULL }, 100 { NULL, 0, 0, 0, NULL } 101 }; 102 103 int 104 cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx) 105 { 106 struct cmd_target_data *data = self->data; 107 struct session *s; 108 struct client *c; 109 struct options *oo; 110 const struct set_option_entry *entry, *opt; 111 struct jobs *jobs; 112 struct job *job, *nextjob; 113 u_int i; 114 int try_again; 115 116 if (data->chflags & CMD_CHFLAG('g')) 117 oo = &global_s_options; 118 else { 119 if ((s = cmd_find_session(ctx, data->target)) == NULL) 120 return (-1); 121 oo = &s->options; 122 } 123 124 if (*data->arg == '\0') { 125 ctx->error(ctx, "invalid option"); 126 return (-1); 127 } 128 129 entry = NULL; 130 for (opt = set_option_table; opt->name != NULL; opt++) { 131 if (strncmp(opt->name, data->arg, strlen(data->arg)) != 0) 132 continue; 133 if (entry != NULL) { 134 ctx->error(ctx, "ambiguous option: %s", data->arg); 135 return (-1); 136 } 137 entry = opt; 138 139 /* Bail now if an exact match. */ 140 if (strcmp(entry->name, data->arg) == 0) 141 break; 142 } 143 if (entry == NULL) { 144 ctx->error(ctx, "unknown option: %s", data->arg); 145 return (-1); 146 } 147 148 if (data->chflags & CMD_CHFLAG('u')) { 149 if (data->chflags & CMD_CHFLAG('g')) { 150 ctx->error(ctx, 151 "can't unset global option: %s", entry->name); 152 return (-1); 153 } 154 if (data->arg2 != NULL) { 155 ctx->error(ctx, 156 "value passed to unset option: %s", entry->name); 157 return (-1); 158 } 159 160 options_remove(oo, entry->name); 161 ctx->info(ctx, "unset option: %s", entry->name); 162 } else { 163 switch (entry->type) { 164 case SET_OPTION_STRING: 165 set_option_string(ctx, oo, entry, 166 data->arg2, data->chflags & CMD_CHFLAG('a')); 167 break; 168 case SET_OPTION_NUMBER: 169 set_option_number(ctx, oo, entry, data->arg2); 170 break; 171 case SET_OPTION_KEYS: 172 set_option_keys(ctx, oo, entry, data->arg2); 173 break; 174 case SET_OPTION_COLOUR: 175 set_option_colour(ctx, oo, entry, data->arg2); 176 break; 177 case SET_OPTION_ATTRIBUTES: 178 set_option_attributes(ctx, oo, entry, data->arg2); 179 break; 180 case SET_OPTION_FLAG: 181 set_option_flag(ctx, oo, entry, data->arg2); 182 break; 183 case SET_OPTION_CHOICE: 184 set_option_choice(ctx, oo, entry, data->arg2); 185 break; 186 } 187 } 188 189 recalculate_sizes(); 190 191 /* 192 * Special-case: kill all persistent jobs if status-left, status-right 193 * or set-titles-string have changed. Persistent jobs are only used by 194 * the status line at the moment so this works XXX. 195 */ 196 if (strcmp(entry->name, "status-left") == 0 || 197 strcmp(entry->name, "status-right") == 0 || 198 strcmp(entry->name, "set-titles-string") == 0) { 199 for (i = 0; i < ARRAY_LENGTH(&clients); i++) { 200 c = ARRAY_ITEM(&clients, i); 201 if (c == NULL || c->session == NULL) 202 continue; 203 204 jobs = &c->status_jobs; 205 do { 206 try_again = 0; 207 job = RB_ROOT(jobs); 208 while (job != NULL) { 209 nextjob = RB_NEXT(jobs, jobs, job); 210 if (job->flags & JOB_PERSIST) { 211 job_remove(jobs, job); 212 try_again = 1; 213 break; 214 } 215 job = nextjob; 216 } 217 } while (try_again); 218 server_redraw_client(c); 219 } 220 } 221 222 return (0); 223 } 224