2 * vim:ts=4:sw=4:expandtab
4 * i3bar - an xcb-based status- and ws-bar for i3
5 * © 2010-2011 Axel Wagner and contributors (see also: LICENSE)
7 * config.c: Parses the configuration (received from i3).
15 #include <yajl/yajl_parse.h>
16 #include <yajl/yajl_version.h>
27 * Essentially we just save it in cur_key.
30 static int config_map_key_cb(void *params_, const unsigned char *keyVal, size_t keyLen) {
33 cur_key = smalloc(sizeof(unsigned char) * (keyLen + 1));
34 strncpy(cur_key, (const char *)keyVal, keyLen);
35 cur_key[keyLen] = '\0';
41 * Parse a null-value (current_workspace)
44 static int config_null_cb(void *params_) {
45 if (!strcmp(cur_key, "id")) {
46 /* If 'id' is NULL, the bar config was not found. Error out. */
47 ELOG("No such bar config. Use 'i3-msg -t get_bar_config' to get the available configs.\n");
48 ELOG("Are you starting i3bar by hand? You should not:\n");
49 ELOG("Configure a 'bar' block in your i3 config and i3 will launch i3bar automatically.\n");
60 static int config_string_cb(void *params_, const unsigned char *val, size_t _len) {
62 /* The id and socket_path are ignored, we already know them. */
63 if (!strcmp(cur_key, "id") || !strcmp(cur_key, "socket_path"))
66 if (!strcmp(cur_key, "mode")) {
67 DLOG("mode = %.*s, len = %d\n", len, val, len);
68 config.hide_on_modifier = (len == 4 && !strncmp((const char *)val, "dock", strlen("dock")) ? M_DOCK
69 : (len == 4 && !strncmp((const char *)val, "hide", strlen("hide")) ? M_HIDE
74 if (!strcmp(cur_key, "hidden_state")) {
75 DLOG("hidden_state = %.*s, len = %d\n", len, val, len);
76 config.hidden_state = (len == 4 && !strncmp((const char *)val, "hide", strlen("hide")) ? S_HIDE : S_SHOW);
80 if (!strcmp(cur_key, "modifier")) {
81 DLOG("modifier = %.*s\n", len, val);
82 if (len == 5 && !strncmp((const char *)val, "shift", strlen("shift"))) {
83 config.modifier = ShiftMask;
86 if (len == 4 && !strncmp((const char *)val, "ctrl", strlen("ctrl"))) {
87 config.modifier = ControlMask;
90 if (len == 4 && !strncmp((const char *)val, "Mod", strlen("Mod"))) {
93 config.modifier = Mod1Mask;
96 config.modifier = Mod2Mask;
99 config.modifier = Mod3Mask;
103 config.modifier = Mod4Mask;
107 config.modifier = Mod5Mask;
111 config.modifier = Mod4Mask;
115 if (!strcmp(cur_key, "position")) {
116 DLOG("position = %.*s\n", len, val);
117 config.position = (len == 3 && !strncmp((const char *)val, "top", strlen("top")) ? POS_TOP : POS_BOT);
121 if (!strcmp(cur_key, "status_command")) {
122 DLOG("command = %.*s\n", len, val);
123 sasprintf(&config.command, "%.*s", len, val);
127 if (!strcmp(cur_key, "font")) {
128 DLOG("font = %.*s\n", len, val);
129 sasprintf(&config.fontname, "%.*s", len, val);
133 if (!strcmp(cur_key, "outputs")) {
134 DLOG("+output %.*s\n", len, val);
135 int new_num_outputs = config.num_outputs + 1;
136 config.outputs = srealloc(config.outputs, sizeof(char *) * new_num_outputs);
137 sasprintf(&config.outputs[config.num_outputs], "%.*s", len, val);
138 config.num_outputs = new_num_outputs;
142 if (!strcmp(cur_key, "tray_output")) {
143 DLOG("tray_output %.*s\n", len, val);
144 FREE(config.tray_output);
145 sasprintf(&config.tray_output, "%.*s", len, val);
149 #define COLOR(json_name, struct_name) \
151 if (!strcmp(cur_key, #json_name)) { \
152 DLOG(#json_name " = " #struct_name " = %.*s\n", len, val); \
153 sasprintf(&(config.colors.struct_name), "%.*s", len, val); \
158 COLOR(statusline, bar_fg);
159 COLOR(background, bar_bg);
160 COLOR(separator, sep_fg);
161 COLOR(focused_workspace_border, focus_ws_border);
162 COLOR(focused_workspace_bg, focus_ws_bg);
163 COLOR(focused_workspace_text, focus_ws_fg);
164 COLOR(active_workspace_border, active_ws_border);
165 COLOR(active_workspace_bg, active_ws_bg);
166 COLOR(active_workspace_text, active_ws_fg);
167 COLOR(inactive_workspace_border, inactive_ws_border);
168 COLOR(inactive_workspace_bg, inactive_ws_bg);
169 COLOR(inactive_workspace_text, inactive_ws_fg);
170 COLOR(urgent_workspace_border, urgent_ws_border);
171 COLOR(urgent_workspace_bg, urgent_ws_bg);
172 COLOR(urgent_workspace_text, urgent_ws_fg);
174 printf("got unexpected string %.*s for cur_key = %s\n", len, val, cur_key);
180 * Parse a boolean value
183 static int config_boolean_cb(void *params_, int val) {
184 if (!strcmp(cur_key, "binding_mode_indicator")) {
185 DLOG("binding_mode_indicator = %d\n", val);
186 config.disable_binding_mode_indicator = !val;
190 if (!strcmp(cur_key, "workspace_buttons")) {
191 DLOG("workspace_buttons = %d\n", val);
192 config.disable_ws = !val;
196 if (!strcmp(cur_key, "strip_workspace_numbers")) {
197 DLOG("strip_workspace_numbers = %d\n", val);
198 config.strip_ws_numbers = val;
202 if (!strcmp(cur_key, "verbose")) {
203 DLOG("verbose = %d\n", val);
204 config.verbose = val;
211 /* A datastructure to pass all these callbacks to yajl */
212 static yajl_callbacks outputs_callbacks = {
213 .yajl_null = config_null_cb,
214 .yajl_boolean = config_boolean_cb,
215 .yajl_string = config_string_cb,
216 .yajl_map_key = config_map_key_cb,
220 * Start parsing the received bar configuration json-string
223 void parse_config_json(char *json) {
226 handle = yajl_alloc(&outputs_callbacks, NULL, NULL);
228 state = yajl_parse(handle, (const unsigned char *)json, strlen(json));
230 /* FIXME: Proper errorhandling for JSON-parsing */
234 case yajl_status_client_canceled:
235 case yajl_status_error:
236 ELOG("Could not parse config-reply!\n");
245 * free()s the color strings as soon as they are not needed anymore.
248 void free_colors(struct xcb_color_strings_t *colors) {
249 #define FREE_COLOR(x) \
256 FREE_COLOR(active_ws_fg);
257 FREE_COLOR(active_ws_bg);
258 FREE_COLOR(active_ws_border);
259 FREE_COLOR(inactive_ws_fg);
260 FREE_COLOR(inactive_ws_bg);
261 FREE_COLOR(inactive_ws_border);
262 FREE_COLOR(urgent_ws_fg);
263 FREE_COLOR(urgent_ws_bg);
264 FREE_COLOR(urgent_ws_border);
265 FREE_COLOR(focus_ws_fg);
266 FREE_COLOR(focus_ws_bg);
267 FREE_COLOR(focus_ws_border);