2 #define I3__FILE__ "config.c"
4 * vim:ts=4:sw=4:expandtab
6 * i3 - an improved dynamic tiling window manager
7 * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
9 * config.c: Configuration file (calling the parser (src/config_parser.c) with
10 * the correct path, switching key bindings mode).
15 /* We need Xlib for XStringToKeysym */
18 char *current_configpath = NULL;
20 struct modes_head modes;
21 struct barconfig_head barconfigs = TAILQ_HEAD_INITIALIZER(barconfigs);
24 * Ungrabs all keys, to be called before re-grabbing the keys because of a
25 * mapping_notify event or a configuration file reload
28 void ungrab_all_keys(xcb_connection_t *conn) {
29 DLOG("Ungrabbing all keys\n");
30 xcb_ungrab_key(conn, XCB_GRAB_ANY, root, XCB_BUTTON_MASK_ANY);
34 * Switches the key bindings to the given mode, if the mode exists
37 void switch_mode(const char *new_mode) {
40 LOG("Switching to mode %s\n", new_mode);
42 SLIST_FOREACH(mode, &modes, modes) {
43 if (strcasecmp(mode->name, new_mode) != 0)
46 ungrab_all_keys(conn);
47 bindings = mode->bindings;
49 grab_all_keys(conn, false);
52 sasprintf(&event_msg, "{\"change\":\"%s\"}", mode->name);
54 ipc_send_event("mode", I3_IPC_EVENT_MODE, event_msg);
60 ELOG("ERROR: Mode not found\n");
64 * Sends the current bar configuration as an event to all barconfig_update listeners.
65 * This update mechnism currently only includes the hidden_state and the mode in the config.
68 void update_barconfig() {
70 TAILQ_FOREACH(current, &barconfigs, configs) {
71 /* Build json message */
73 switch (current->hidden_state) {
79 hidden_state = "hide";
84 switch (current->mode) {
97 /* Send an event to all barconfig listeners*/
99 sasprintf(&event_msg, "{ \"id\":\"%s\", \"hidden_state\":\"%s\", \"mode\":\"%s\" }", current->id, hidden_state, mode);
101 ipc_send_event("barconfig_update", I3_IPC_EVENT_BARCONFIG_UPDATE, event_msg);
107 * Get the path of the first configuration file found. If override_configpath
108 * is specified, that path is returned and saved for further calls. Otherwise,
109 * checks the home directory first, then the system directory first, always
110 * taking into account the XDG Base Directory Specification ($XDG_CONFIG_HOME,
114 static char *get_config_path(const char *override_configpath) {
115 char *xdg_config_home, *xdg_config_dirs, *config_path;
117 static const char *saved_configpath = NULL;
119 if (override_configpath != NULL) {
120 saved_configpath = override_configpath;
121 return sstrdup(saved_configpath);
124 if (saved_configpath != NULL)
125 return sstrdup(saved_configpath);
127 /* 1: check the traditional path under the home directory */
128 config_path = resolve_tilde("~/.i3/config");
129 if (path_exists(config_path))
133 /* 2: check for $XDG_CONFIG_HOME/i3/config */
134 if ((xdg_config_home = getenv("XDG_CONFIG_HOME")) == NULL)
135 xdg_config_home = "~/.config";
137 xdg_config_home = resolve_tilde(xdg_config_home);
138 sasprintf(&config_path, "%s/i3/config", xdg_config_home);
139 free(xdg_config_home);
141 if (path_exists(config_path))
145 /* 3: check the traditional path under /etc */
146 config_path = SYSCONFDIR "/i3/config";
147 if (path_exists(config_path))
148 return sstrdup(config_path);
150 /* 4: check for $XDG_CONFIG_DIRS/i3/config */
151 if ((xdg_config_dirs = getenv("XDG_CONFIG_DIRS")) == NULL)
152 xdg_config_dirs = "/etc/xdg";
154 char *buf = sstrdup(xdg_config_dirs);
155 char *tok = strtok(buf, ":");
156 while (tok != NULL) {
157 tok = resolve_tilde(tok);
158 sasprintf(&config_path, "%s/i3/config", tok);
160 if (path_exists(config_path)) {
165 tok = strtok(NULL, ":");
169 die("Unable to find the configuration file (looked at "
170 "~/.i3/config, $XDG_CONFIG_HOME/i3/config, "
171 SYSCONFDIR "/i3/config and $XDG_CONFIG_DIRS/i3/config)");
175 * Finds the configuration file to use (either the one specified by
176 * override_configpath), the user’s one or the system default) and calls
180 static void parse_configuration(const char *override_configpath) {
181 char *path = get_config_path(override_configpath);
182 LOG("Parsing configfile %s\n", path);
183 FREE(current_configpath);
184 current_configpath = path;
189 * (Re-)loads the configuration file (sets useful defaults before).
192 void load_configuration(xcb_connection_t *conn, const char *override_configpath, bool reload) {
194 /* First ungrab the keys */
195 ungrab_all_keys(conn);
199 while (!SLIST_EMPTY(&modes)) {
200 mode = SLIST_FIRST(&modes);
203 /* Clear the old binding list */
204 bindings = mode->bindings;
205 while (!TAILQ_EMPTY(bindings)) {
206 bind = TAILQ_FIRST(bindings);
207 TAILQ_REMOVE(bindings, bind, bindings);
208 FREE(bind->translated_to);
213 SLIST_REMOVE(&modes, mode, Mode, modes);
216 struct Assignment *assign;
217 while (!TAILQ_EMPTY(&assignments)) {
218 assign = TAILQ_FIRST(&assignments);
219 if (assign->type == A_TO_WORKSPACE)
220 FREE(assign->dest.workspace);
221 else if (assign->type == A_TO_OUTPUT)
222 FREE(assign->dest.output);
223 else if (assign->type == A_COMMAND)
224 FREE(assign->dest.command);
225 match_free(&(assign->match));
226 TAILQ_REMOVE(&assignments, assign, assignments);
230 /* Clear bar configs */
231 Barconfig *barconfig;
232 while (!TAILQ_EMPTY(&barconfigs)) {
233 barconfig = TAILQ_FIRST(&barconfigs);
235 for (int c = 0; c < barconfig->num_outputs; c++)
236 free(barconfig->outputs[c]);
237 FREE(barconfig->outputs);
238 FREE(barconfig->tray_output);
239 FREE(barconfig->socket_path);
240 FREE(barconfig->status_command);
241 FREE(barconfig->i3bar_command);
242 FREE(barconfig->font);
243 FREE(barconfig->colors.background);
244 FREE(barconfig->colors.statusline);
245 FREE(barconfig->colors.focused_workspace_border);
246 FREE(barconfig->colors.focused_workspace_bg);
247 FREE(barconfig->colors.focused_workspace_text);
248 FREE(barconfig->colors.active_workspace_border);
249 FREE(barconfig->colors.active_workspace_bg);
250 FREE(barconfig->colors.active_workspace_text);
251 FREE(barconfig->colors.inactive_workspace_border);
252 FREE(barconfig->colors.inactive_workspace_bg);
253 FREE(barconfig->colors.inactive_workspace_text);
254 FREE(barconfig->colors.urgent_workspace_border);
255 FREE(barconfig->colors.urgent_workspace_bg);
256 FREE(barconfig->colors.urgent_workspace_text);
257 TAILQ_REMOVE(&barconfigs, barconfig, configs);
261 /* Clear workspace names */
264 TAILQ_FOREACH(ws, workspaces, workspaces)
265 workspace_set_name(ws, NULL);
268 /* Invalidate pixmap caches in case font or colors changed */
270 TAILQ_FOREACH(con, &all_cons, all_cons)
271 FREE(con->deco_render_params);
273 /* Get rid of the current font */
279 struct Mode *default_mode = scalloc(sizeof(struct Mode));
280 default_mode->name = sstrdup("default");
281 default_mode->bindings = scalloc(sizeof(struct bindings_head));
282 TAILQ_INIT(default_mode->bindings);
283 SLIST_INSERT_HEAD(&modes, default_mode, modes);
285 bindings = default_mode->bindings;
287 #define REQUIRED_OPTION(name) \
288 if (config.name == NULL) \
289 die("You did not specify required configuration option " #name "\n");
291 /* Clear the old config or initialize the data structure */
292 memset(&config, 0, sizeof(config));
294 /* Initialize default colors */
295 #define INIT_COLOR(x, cborder, cbackground, ctext, cindicator) \
297 x.border = get_colorpixel(cborder); \
298 x.background = get_colorpixel(cbackground); \
299 x.text = get_colorpixel(ctext); \
300 x.indicator = get_colorpixel(cindicator); \
303 config.client.background = get_colorpixel("#000000");
304 INIT_COLOR(config.client.focused, "#4c7899", "#285577", "#ffffff", "#2e9ef4");
305 INIT_COLOR(config.client.focused_inactive, "#333333", "#5f676a", "#ffffff", "#484e50");
306 INIT_COLOR(config.client.unfocused, "#333333", "#222222", "#888888", "#292d2e");
307 INIT_COLOR(config.client.urgent, "#2f343a", "#900000", "#ffffff", "#900000");
309 /* border and indicator color are ignored for placeholder contents */
310 INIT_COLOR(config.client.placeholder, "#000000", "#0c0c0c", "#ffffff", "#000000");
312 /* the last argument (indicator color) is ignored for bar colors */
313 INIT_COLOR(config.bar.focused, "#4c7899", "#285577", "#ffffff", "#000000");
314 INIT_COLOR(config.bar.unfocused, "#333333", "#222222", "#888888", "#000000");
315 INIT_COLOR(config.bar.urgent, "#2f343a", "#900000", "#ffffff", "#000000");
317 config.default_border = BS_NORMAL;
318 config.default_floating_border = BS_NORMAL;
319 config.default_border_width = 2;
320 /* Set default_orientation to NO_ORIENTATION for auto orientation. */
321 config.default_orientation = NO_ORIENTATION;
323 /* Set default urgency reset delay to 500ms */
324 if (config.workspace_urgency_timer == 0)
325 config.workspace_urgency_timer = 0.5;
327 parse_configuration(override_configpath);
331 grab_all_keys(conn, false);
334 if (config.font.type == FONT_TYPE_NONE) {
335 ELOG("You did not specify required configuration option \"font\"\n");
336 config.font = load_font("fixed", true);
337 set_font(&config.font);
340 /* Redraw the currently visible decorations on reload, so that
341 * the possibly new drawing parameters changed. */
343 x_deco_recurse(croot);
348 /* Set an empty name for every workspace which got no name */
350 TAILQ_FOREACH(ws, workspaces, workspaces) {
351 if (ws->name != NULL) {
352 /* If the font was not specified when the workspace name
353 * was loaded, we need to predict the text width now */
354 if (ws->text_width == 0)
355 ws->text_width = predict_text_width(global_conn,
356 config.font, ws->name, ws->name_len);
360 workspace_set_name(ws, NULL);