+/*
+ * i3bar - an xcb-based status- and ws-bar for i3
+ *
+ * © 2010-2011 Axel Wagner and contributors
+ *
+ * See file LICNSE for license information
+ *
+ */
#include <stdio.h>
#include <i3/ipc.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
+#include <errno.h>
#include <ev.h>
-#include <xcb/xcb.h>
+#include <getopt.h>
+#include <glob.h>
-#include "ipc.h"
-#include "outputs.h"
-#include "workspaces.h"
#include "common.h"
-#include "xcb.h"
-void ev_prepare_cb(struct ev_loop *loop, ev_prepare *w, int revents) {
- xcb_flush(xcb_connection);
+/*
+ * 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 = strdup(globbuf.gl_pathc > 0 ? globbuf.gl_pathv[0] : path);
+ if (result == NULL) {
+ ELOG("malloc() failed: %s\n", strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+ globfree(&globbuf);
+ return result;
}
-void ev_check_cb(struct ev_loop *loop, ev_check *w, int revents) {
- xcb_generic_event_t *event;
- if ((event = xcb_poll_for_event(xcb_connection)) != NULL) {
- handle_xcb_event(event);
- free(event);
- }
+static void read_color(char **color) {
+ int len = strlen(optarg);
+ if (len == 6 || (len == 7 && optarg[0] == '#')) {
+ int offset = len - 6;
+ int good = 1, i;
+ for (i = offset; good && i < 6 + offset; ++i) {
+ char c = optarg[i];
+ if (!(c >= 'a' && c <= 'f')
+ && !(c >= 'A' && c <= 'F')
+ && !(c >= '0' && c <= '9')) {
+ good = 0;
+ break;
+ }
+ }
+ if (good) {
+ *color = strdup(optarg + offset);
+ return;
+ }
+ }
+
+ fprintf(stderr, "Bad color value \"%s\"\n", optarg);
+ exit(EXIT_FAILURE);
+}
+
+static void free_colors(struct xcb_color_strings_t *colors) {
+#define FREE_COLOR(x) \
+ do { \
+ if (colors->x) \
+ free(colors->x); \
+ } while (0)
+ FREE_COLOR(bar_fg);
+ FREE_COLOR(bar_bg);
+ FREE_COLOR(active_ws_fg);
+ FREE_COLOR(active_ws_bg);
+ FREE_COLOR(inactive_ws_fg);
+ FREE_COLOR(inactive_ws_bg);
+ FREE_COLOR(urgent_ws_fg);
+ FREE_COLOR(urgent_ws_bg);
+ FREE_COLOR(focus_ws_fg);
+ FREE_COLOR(focus_ws_bg);
+#undef FREE_COLOR
+}
+
+void print_usage(char *elf_name) {
+ printf("Usage: %s [-s sock_path] [-c command] [-m|-d[pos]] [-f font] [-V] [-h]\n", elf_name);
+ printf("-s <sock_path>\tConnect to i3 via <sock_path>\n");
+ printf("-c <command>\tExecute <command> to get stdin\n");
+ printf("-m\t\tHide the bars, when mod4 is not pressed.\n");
+ printf("-d[<pos>]\tEnable dockmode. <pos> is \"top\" or \"bottom\". Default is bottom\n");
+ printf("\t\tIf -c is specified, the childprocess is sent a SIGSTOP on hiding,\n");
+ printf("\t\tand a SIGCONT on unhiding of the bars\n");
+ printf("-f <font>\tUse X-Core-Font <font> for display\n");
+ printf("-w\t\tDisable workspace-buttons\n");
+ printf("-V\t\tBe (very) verbose with the debug-output\n");
+ printf("-h\t\tDisplay this help-message and exit\n");
}
-void xcb_io_cb(struct ev_loop *loop, ev_io *w, int revents) {
+/*
+ * 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 *command = NULL;
+ char *fontname = NULL;
+ char *i3_default_sock_path = "/tmp/i3-ipc.sock";
+ struct xcb_color_strings_t colors = { NULL, };
+
+ /* Definition of the standard-config */
+ config.hide_on_modifier = 0;
+ config.dockpos = DOCKPOS_NONE;
+ config.disable_ws = 0;
+
+ static struct option long_opt[] = {
+ { "socket", required_argument, 0, 's' },
+ { "command", required_argument, 0, 'c' },
+ { "hide", no_argument, 0, 'm' },
+ { "dock", optional_argument, 0, 'd' },
+ { "font", required_argument, 0, 'f' },
+ { "nows", no_argument, 0, 'w' },
+ { "help", no_argument, 0, 'h' },
+ { "version", no_argument, 0, 'v' },
+ { "verbose", no_argument, 0, 'V' },
+ { "color-bar-fg", required_argument, 0, 'A' },
+ { "color-bar-bg", required_argument, 0, 'B' },
+ { "color-active-ws-fg", required_argument, 0, 'C' },
+ { "color-active-ws-bg", required_argument, 0, 'D' },
+ { "color-inactive-ws-fg", required_argument, 0, 'E' },
+ { "color-inactive-ws-bg", required_argument, 0, 'F' },
+ { "color-urgent-ws-bg", required_argument, 0, 'G' },
+ { "color-urgent-ws-fg", required_argument, 0, 'H' },
+ { "color-focus-ws-bg", required_argument, 0, 'I' },
+ { "color-focus-ws-fg", required_argument, 0, 'J' },
+ { NULL, 0, 0, 0}
+ };
+
+ while ((opt = getopt_long(argc, argv, "s:c:d::mf:whvVA:B:C:D:E:F:G:H:I:J:", long_opt, &option_index)) != -1) {
+ switch (opt) {
+ case 's':
+ socket_path = expand_path(optarg);
+ break;
+ case 'c':
+ command = strdup(optarg);
+ break;
+ case 'm':
+ config.hide_on_modifier = 1;
+ break;
+ case 'd':
+ config.hide_on_modifier = 0;
+ if (optarg == NULL) {
+ config.dockpos = DOCKPOS_BOT;
+ break;
+ }
+ if (!strcmp(optarg, "top")) {
+ config.dockpos = DOCKPOS_TOP;
+ } else if (!strcmp(optarg, "bottom")) {
+ config.dockpos = DOCKPOS_BOT;
+ } else {
+ print_usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+ break;
+ case 'f':
+ fontname = strdup(optarg);
+ break;
+ case 'w':
+ config.disable_ws = 1;
+ break;
+ case 'v':
+ printf("i3bar version " I3_VERSION " © 2010-2011 Axel Wagner and contributors\n");
+ exit(EXIT_SUCCESS);
+ break;
+ case 'V':
+ config.verbose = 1;
+ break;
+ case 'A':
+ read_color(&colors.bar_fg);
+ break;
+ case 'B':
+ read_color(&colors.bar_bg);
+ break;
+ case 'C':
+ read_color(&colors.active_ws_fg);
+ break;
+ case 'D':
+ read_color(&colors.active_ws_bg);
+ break;
+ case 'E':
+ read_color(&colors.inactive_ws_fg);
+ break;
+ case 'F':
+ read_color(&colors.inactive_ws_bg);
+ break;
+ case 'G':
+ read_color(&colors.urgent_ws_bg);
+ break;
+ case 'H':
+ read_color(&colors.urgent_ws_fg);
+ break;
+ case 'I':
+ read_color(&colors.focus_ws_bg);
+ break;
+ case 'J':
+ read_color(&colors.focus_ws_fg);
+ break;
+ default:
+ print_usage(argv[0]);
+ exit(EXIT_SUCCESS);
+ break;
+ }
+ }
+
+ if (fontname == NULL) {
+ /* This is a very restrictive default. More sensefull would be something like
+ * "-misc-*-*-*-*--*-*-*-*-*-*-*-*". But since that produces very ugly results
+ * on my machine, let's stick with this until we have a configfile */
+ fontname = "-misc-fixed-medium-r-semicondensed--12-110-75-75-c-60-iso10646-1";
+ }
+
+ if (config.dockpos != DOCKPOS_NONE) {
+ if (config.hide_on_modifier) {
+ ELOG("--dock and --hide are mutually exclusive!\n");
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ config.hide_on_modifier = 1;
+ }
+
+ main_loop = ev_default_loop(0);
+
+ init_colors(&colors);
+ char *atom_sock_path = init_xcb(fontname);
+
+ 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);
+ }
+
+ free_colors(&colors);
+
+ init_outputs();
+ if (init_connection(socket_path)) {
+ /* We subscribe to the i3-events we need */
+ subscribe_events();
+
+ /* We initiate the main-function by requesting infos about the outputs and
+ * workspaces. Everything else (creating the bars, showing the right workspace-
+ * buttons and more) is taken care of by the event-driveniness of the code */
+ i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_OUTPUTS, NULL);
+ if (!config.disable_ws) {
+ i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_WORKSPACES, NULL);
+ }
+ }
+
+ /* The name of this function is actually misleading. Even if no -c is specified,
+ * this function initiates the watchers to listen on stdin and react accordingly */
+ start_child(command);
+ FREE(command);
- init_xcb();
- init_connection("/home/mero/.i3/ipc.sock");
+ /* 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 = malloc(sizeof(ev_signal));
+ ev_signal *sig_int = malloc(sizeof(ev_signal));
+ ev_signal *sig_hup = malloc(sizeof(ev_signal));
- subscribe_events();
+ if (sig_term == NULL || sig_int == NULL || sig_hup == NULL) {
+ ELOG("malloc() failed: %s\n", strerror(errno));
+ exit(EXIT_FAILURE);
+ }
- ev_io *xcb_io = malloc(sizeof(ev_io));
- ev_prepare *ev_prep = malloc(sizeof(ev_prepare));
- ev_check *ev_chk = malloc(sizeof(ev_check));
+ 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_io_init(xcb_io, &xcb_io_cb, xcb_get_file_descriptor(xcb_connection), EV_READ);
- ev_prepare_init(ev_prep, &ev_prepare_cb);
- ev_check_init(ev_chk, &ev_check_cb);
+ ev_signal_start(main_loop, sig_term);
+ ev_signal_start(main_loop, sig_int);
+ ev_signal_start(main_loop, sig_hup);
- ev_io_start(main_loop, xcb_io);
- ev_prepare_start(main_loop, ev_prep);
- ev_check_start(main_loop, ev_chk);
+ /* 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);
- i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_OUTPUTS, NULL);
- i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_WORKSPACES, NULL);
+ kill_child();
- ev_loop(main_loop, 0);
+ FREE(statusline_buffer);
- ev_prepare_stop(main_loop, ev_prep);
- ev_check_stop(main_loop, ev_chk);
- FREE(ev_prep);
- FREE(ev_chk);
+ clean_xcb();
+ ev_default_destroy();
- ev_default_destroy();
- clean_xcb();
- free_outputs();
- free_workspaces();
+ free_workspaces();
- return 0;
+ return 0;
}
projects / i3 / i3 / blobdiff