+/*
+ * vim:ts=4:sw=4:expandtab
+ *
+ * i3bar - an xcb-based status- and ws-bar for i3
+ * © 2010-2012 Axel Wagner and contributors (see also: LICENSE)
+ *
+ */
#include <stdio.h>
+#include <i3/ipc.h>
#include <string.h>
#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
#include <ev.h>
+#include <getopt.h>
+#include <glob.h>
-#include "ipc.h"
-#include "outputs.h"
-#include "workspaces.h"
#include "common.h"
-#include "xcb.h"
+
+/*
+ * 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) {
+ 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("--bar_id <bar_id>\tBar ID for which to get the configuration\n");
+ printf("-s <sock_path>\tConnect to i3 via <sock_path>\n");
+ printf("-h\t\tDisplay this help-message and exit\n");
+ printf("-v\t\tDisplay 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) {
- main_loop = ev_default_loop(0);
+ int opt;
+ int option_index = 0;
+ 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' },
+ { "bar_id", required_argument, 0, 0 },
+ { "help", no_argument, 0, 'h' },
+ { "version", no_argument, 0, 'v' },
+ { NULL, 0, 0, 0}
+ };
+
+ while ((opt = getopt_long(argc, argv, "s:hv", long_opt, &option_index)) != -1) {
+ switch (opt) {
+ case 's':
+ socket_path = expand_path(optarg);
+ break;
+ case 'v':
+ printf("i3bar version " I3_VERSION " © 2010-2011 Axel Wagner and contributors\n");
+ exit(EXIT_SUCCESS);
+ break;
+ case 0:
+ if (!strcmp(long_opt[option_index].name, "bar_id")) {
+ FREE(config.bar_id);
+ config.bar_id = sstrdup(optarg);
+ }
+ break;
+ default:
+ print_usage(argv[0]);
+ exit(EXIT_SUCCESS);
+ break;
+ }
+ }
+
+ 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) {
+ ELOG("No Socket Path Specified, default to %s\n", i3_default_sock_path);
+ socket_path = expand_path(i3_default_sock_path);
+ }
+
+ init_outputs();
+ 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);
+ }
+
+ /* 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));
+
+ ev_signal_init(sig_term, &sig_cb, SIGTERM);
+ ev_signal_init(sig_int, &sig_cb, SIGINT);
+ ev_signal_init(sig_hup, &sig_cb, SIGHUP);
+
+ 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);
- init_xcb();
- init_connection("/home/mero/.i3/ipc.sock");
+ kill_child();
- subscribe_events();
+ FREE(statusline_buffer);
- ev_loop(main_loop, 0);
+ clean_xcb();
+ ev_default_destroy();
- ev_default_destroy();
- clean_xcb();
- free_outputs();
- free_workspaces();
+ free_workspaces();
- return 0;
+ return 0;
}
projects / i3 / i3 / blobdiff