/*
- * i3bar - an xcb-based status- and ws-bar for i3
- *
- * © 2010 Axel Wagner and contributors
+ * vim:ts=4:sw=4:expandtab
*
- * See file LICNSE for license information
+ * i3bar - an xcb-based status- and ws-bar for i3
+ * © 2010-2012 Axel Wagner and contributors (see also: LICENSE)
*
*/
#include <stdio.h>
#include "common.h"
-char *i3_default_sock_path = "~/.i3/ipc.sock";
+/*
+ * Having verboselog() and errorlog() is necessary when using libi3.
+ *
+ */
+void verboselog(char *fmt, ...) {
+ va_list args;
+
+ va_start(args, fmt);
+ vfprintf(stdout, fmt, args);
+ va_end(args);
+}
+
+void errorlog(char *fmt, ...) {
+ va_list args;
+
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+}
+/*
+ * Glob path, i.e. expand ~
+ *
+ */
char *expand_path(char *path) {
static glob_t globbuf;
if (glob(path, GLOB_NOCHECK | GLOB_TILDE, NULL, &globbuf) < 0) {
- printf("glob() failed");
- exit(EXIT_FAILURE);
- }
- char *result = strdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path);
- if (result == NULL) {
- printf("malloc() failed");
+ ELOG("glob() failed\n");
exit(EXIT_FAILURE);
}
+ char *result = sstrdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path);
globfree(&globbuf);
return result;
}
+void print_usage(char *elf_name) {
+ printf("Usage: %s -b bar_id [-s sock_path] [-h] [-v]\n", elf_name);
+ printf("\n");
+ printf("-b, --bar_id <bar_id>\tBar ID for which to get the configuration\n");
+ printf("-s, --socket <sock_path>\tConnect to i3 via <sock_path>\n");
+ printf("-h, --help Display this help-message and exit\n");
+ printf("-v, --version Display version number and exit\n");
+ printf("\n");
+ printf(" PLEASE NOTE that i3bar will be automatically started by i3\n"
+ " as soon as there is a 'bar' configuration block in your\n"
+ " config file. You should never need to start it manually.\n");
+ printf("\n");
+}
+
+/*
+ * We watch various signals, that are there to make our application stop.
+ * If we get one of those, we ev_unloop() and invoke the cleanup-routines
+ * in main() with that
+ *
+ */
+void sig_cb(struct ev_loop *loop, ev_signal *watcher, int revents) {
+ switch (watcher->signum) {
+ case SIGTERM:
+ DLOG("Got a SIGTERM, stopping\n");
+ break;
+ case SIGINT:
+ DLOG("Got a SIGINT, stopping\n");
+ break;
+ case SIGHUP:
+ DLOG("Got a SIGHUP, stopping\n");
+ }
+ ev_unloop(main_loop, EVUNLOOP_ALL);
+}
+
int main(int argc, char **argv) {
int opt;
int option_index = 0;
- char *socket_path = NULL;
- char *command = NULL;
- char *fontname = NULL;
+ char *socket_path = getenv("I3SOCK");
+ char *i3_default_sock_path = "/tmp/i3-ipc.sock";
+
+ /* Initialize the standard config to use 0 as default */
+ memset(&config, '\0', sizeof(config_t));
static struct option long_opt[] = {
- { "socket", required_argument, 0, 's' },
- { "command", required_argument, 0, 'c' },
- { "font", required_argument, 0, 'f' },
- { "help", no_argument, 0, 'h' },
- { "version", no_argument, 0, 'v' },
- { NULL, 0, 0, 0}
+ { "socket", required_argument, 0, 's' },
+ { "bar_id", required_argument, 0, 'b' },
+ { "help", no_argument, 0, 'h' },
+ { "version", no_argument, 0, 'v' },
+ { NULL, 0, 0, 0}
};
- while ((opt = getopt_long(argc, argv, "s:c:f:hv", long_opt, &option_index)) != -1) {
+ while ((opt = getopt_long(argc, argv, "b:s:hv", long_opt, &option_index)) != -1) {
switch (opt) {
case 's':
socket_path = expand_path(optarg);
break;
- case 'c':
- command = strdup(optarg);
- break;
- case 'f':
- fontname = strdup(optarg);
- break;
case 'v':
- printf("i3bar version " I3BAR_VERSION " © 2010 Axel Wagner and contributors\n");
+ printf("i3bar version " I3_VERSION " © 2010-2011 Axel Wagner and contributors\n");
exit(EXIT_SUCCESS);
+ break;
+ case 'b':
+ config.bar_id = sstrdup(optarg);
+ break;
default:
- printf("Usage: %s [-s socket_path] [-c command] [-f font] [-h]\n", argv[0]);
- printf("-s <socket_path>: Connect to i3 via <socket_path>\n");
- printf("-c <command>: Execute <command> to get sdtin\n");
- printf("-f <font>: Use X-Core-Font <font> for display\n");
- printf("-h: Display this help-message and exit\n");
+ print_usage(argv[0]);
exit(EXIT_SUCCESS);
break;
}
}
- if (fontname == NULL) {
- fontname = "-misc-fixed-medium-r-semicondensed--12-110-75-75-c-60-iso10646-1";
+ if (!config.bar_id) {
+ /* TODO: maybe we want -f which will automatically ask i3 for the first
+ * configured bar (and error out if there are too many)? */
+ ELOG("No bar_id passed. Please let i3 start i3bar or specify --bar_id\n");
+ exit(EXIT_FAILURE);
+ }
+
+ main_loop = ev_default_loop(0);
+
+ char *atom_sock_path = init_xcb_early();
+
+ if (socket_path == NULL) {
+ socket_path = atom_sock_path;
}
if (socket_path == NULL) {
- printf("No Socket Path Specified, default to %s\n", i3_default_sock_path);
+ ELOG("No Socket Path Specified, default to %s\n", i3_default_sock_path);
socket_path = expand_path(i3_default_sock_path);
}
- main_loop = ev_default_loop(0);
-
- init_xcb(fontname);
init_outputs();
- init_connection(socket_path);
-
- FREE(socket_path);
+ if (init_connection(socket_path)) {
+ /* Request the bar configuration. When it arrives, we fill the config array. */
+ i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_BAR_CONFIG, config.bar_id);
+ }
- subscribe_events();
+ /* We listen to SIGTERM/QUIT/INT and try to exit cleanly, by stopping the main-loop.
+ * We only need those watchers on the stack, so putting them on the stack saves us
+ * some calls to free() */
+ ev_signal *sig_term = smalloc(sizeof(ev_signal));
+ ev_signal *sig_int = smalloc(sizeof(ev_signal));
+ ev_signal *sig_hup = smalloc(sizeof(ev_signal));
- i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_OUTPUTS, NULL);
- i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_WORKSPACES, NULL);
+ ev_signal_init(sig_term, &sig_cb, SIGTERM);
+ ev_signal_init(sig_int, &sig_cb, SIGINT);
+ ev_signal_init(sig_hup, &sig_cb, SIGHUP);
- start_child(command);
+ ev_signal_start(main_loop, sig_term);
+ ev_signal_start(main_loop, sig_int);
+ ev_signal_start(main_loop, sig_hup);
+ /* From here on everything should run smooth for itself, just start listening for
+ * events. We stop simply stop the event-loop, when we are finished */
ev_loop(main_loop, 0);
kill_child();
- FREE(statusline);
+ FREE(statusline_buffer);
clean_xcb();
ev_default_destroy();
free_workspaces();
- FREE_SLIST(outputs, i3_output);
return 0;
}
projects / i3 / i3 / blobdiff