/** Hello, this is main. * \param argc Who knows. * \param argv Who knows. * \return EXIT_SUCCESS I hope. */ int main(int argc, char **argv) { char *confpath = NULL; int xfd, i, screen_nbr, opt, colors_nbr; xcolor_init_request_t colors_reqs[2]; ssize_t cmdlen = 1; xdgHandle xdg; xcb_generic_event_t *event; static struct option long_options[] = { { "help", 0, NULL, 'h' }, { "version", 0, NULL, 'v' }, { "config", 1, NULL, 'c' }, { "check", 0, NULL, 'k' }, { NULL, 0, NULL, 0 } }; /* event loop watchers */ ev_io xio = { .fd = -1 }; ev_check xcheck; ev_prepare a_refresh; ev_signal sigint; ev_signal sigterm; ev_signal sighup; /* clear the globalconf structure */ p_clear(&globalconf, 1); globalconf.keygrabber = LUA_REFNIL; globalconf.mousegrabber = LUA_REFNIL; buffer_init(&globalconf.startup_errors); /* save argv */ for(i = 0; i < argc; i++) cmdlen += a_strlen(argv[i]) + 1; globalconf.argv = p_new(char, cmdlen); a_strcpy(globalconf.argv, cmdlen, argv[0]); for(i = 1; i < argc; i++) { a_strcat(globalconf.argv, cmdlen, " "); a_strcat(globalconf.argv, cmdlen, argv[i]); } /* Text won't be printed correctly otherwise */ setlocale(LC_CTYPE, ""); /* Get XDG basedir data */ xdgInitHandle(&xdg); /* init lua */ luaA_init(&xdg); /* check args */ while((opt = getopt_long(argc, argv, "vhkc:", long_options, NULL)) != -1) switch(opt) { case 'v': eprint_version(); break; case 'h': exit_help(EXIT_SUCCESS); break; case 'k': if(!luaA_parserc(&xdg, confpath, false)) { fprintf(stderr, "✘ Configuration file syntax error.\n"); return EXIT_FAILURE; } else { fprintf(stderr, "✔ Configuration file syntax OK.\n"); return EXIT_SUCCESS; } case 'c': if(a_strlen(optarg)) confpath = a_strdup(optarg); else fatal("-c option requires a file name"); break; } globalconf.loop = ev_default_loop(0); ev_timer_init(&globalconf.timer, &luaA_on_timer, 0., 0.); /* register function for signals */ ev_signal_init(&sigint, exit_on_signal, SIGINT); ev_signal_init(&sigterm, exit_on_signal, SIGTERM); ev_signal_init(&sighup, restart_on_signal, SIGHUP); ev_signal_start(globalconf.loop, &sigint); ev_signal_start(globalconf.loop, &sigterm); ev_signal_start(globalconf.loop, &sighup); ev_unref(globalconf.loop); ev_unref(globalconf.loop); ev_unref(globalconf.loop); struct sigaction sa = { .sa_handler = signal_fatal, .sa_flags = 0 }; sigemptyset(&sa.sa_mask); sigaction(SIGSEGV, &sa, 0); /* XLib sucks */ XkbIgnoreExtension(True); /* X stuff */ globalconf.display = XOpenDisplay(NULL); if (globalconf.display == NULL) fatal("cannot open display"); globalconf.default_screen = XDefaultScreen(globalconf.display); globalconf.connection = XGetXCBConnection(globalconf.display); /* Double checking then everything is OK. */ if(xcb_connection_has_error(globalconf.connection)) fatal("cannot open display"); /* Prefetch all the extensions we might need */ xcb_prefetch_extension_data(globalconf.connection, &xcb_big_requests_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_test_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_randr_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_shape_id); /* initialize dbus */ a_dbus_init(); /* Get the file descriptor corresponding to the X connection */ xfd = xcb_get_file_descriptor(globalconf.connection); ev_io_init(&xio, &a_xcb_io_cb, xfd, EV_READ); ev_io_start(globalconf.loop, &xio); ev_check_init(&xcheck, &a_xcb_check_cb); ev_check_start(globalconf.loop, &xcheck); ev_unref(globalconf.loop); ev_prepare_init(&a_refresh, &a_refresh_cb); ev_prepare_start(globalconf.loop, &a_refresh); ev_unref(globalconf.loop); /* Grab server */ xcb_grab_server(globalconf.connection); /* Make sure there are no pending events. Since we didn't really do anything * at all yet, we will just discard all events which we received so far. * The above GrabServer should make sure no new events are generated. */ xcb_aux_sync(globalconf.connection); while ((event = xcb_poll_for_event(globalconf.connection)) != NULL) { /* Make sure errors are printed */ uint8_t response_type = XCB_EVENT_RESPONSE_TYPE(event); if(response_type == 0) event_handle(event); p_delete(&event); } for(screen_nbr = 0; screen_nbr < xcb_setup_roots_length(xcb_get_setup(globalconf.connection)); screen_nbr++) { const uint32_t select_input_val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT; /* This causes an error if some other window manager is running */ xcb_change_window_attributes(globalconf.connection, xutil_screen_get(globalconf.connection, screen_nbr)->root, XCB_CW_EVENT_MASK, &select_input_val); } /* Need to xcb_flush to validate error handler */ xcb_aux_sync(globalconf.connection); /* Process all errors in the queue if any. There can be no events yet, so if * this function returns something, it must be an error. */ if (xcb_poll_for_event(globalconf.connection) != NULL) fatal("another window manager is already running"); /* Prefetch the maximum request length */ xcb_prefetch_maximum_request_length(globalconf.connection); /* check for xtest extension */ const xcb_query_extension_reply_t *xtest_query; xtest_query = xcb_get_extension_data(globalconf.connection, &xcb_test_id); globalconf.have_xtest = xtest_query->present; /* Allocate the key symbols */ globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection); xcb_get_modifier_mapping_cookie_t xmapping_cookie = xcb_get_modifier_mapping_unchecked(globalconf.connection); /* init atom cache */ atoms_init(globalconf.connection); /* init screens information */ screen_scan(); /* init default font and colors */ colors_reqs[0] = xcolor_init_unchecked(&globalconf.colors.fg, "black", sizeof("black") - 1); colors_reqs[1] = xcolor_init_unchecked(&globalconf.colors.bg, "white", sizeof("white") - 1); globalconf.font = draw_font_new("sans 8"); for(colors_nbr = 0; colors_nbr < 2; colors_nbr++) xcolor_init_reply(colors_reqs[colors_nbr]); xutil_lock_mask_get(globalconf.connection, xmapping_cookie, globalconf.keysyms, &globalconf.numlockmask, &globalconf.shiftlockmask, &globalconf.capslockmask, &globalconf.modeswitchmask); /* Get the window tree associated to this screen */ const int screen_max = xcb_setup_roots_length(xcb_get_setup(globalconf.connection)); xcb_query_tree_cookie_t tree_c[screen_max]; /* do this only for real screen */ for(screen_nbr = 0; screen_nbr < screen_max; screen_nbr++) { /* select for events */ const uint32_t change_win_vals[] = { XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_FOCUS_CHANGE }; tree_c[screen_nbr] = xcb_query_tree_unchecked(globalconf.connection, xutil_screen_get(globalconf.connection, screen_nbr)->root); xcb_change_window_attributes(globalconf.connection, xutil_screen_get(globalconf.connection, screen_nbr)->root, XCB_CW_EVENT_MASK, change_win_vals); ewmh_init(screen_nbr); systray_init(screen_nbr); } /* init spawn (sn) */ spawn_init(); /* we will receive events, stop grabbing server */ xcb_ungrab_server(globalconf.connection); /* Parse and run configuration file */ if (!luaA_parserc(&xdg, confpath, true)) fatal("couldn't find any rc file"); scan(tree_c); xcb_flush(globalconf.connection); /* main event loop */ ev_loop(globalconf.loop, 0); /* cleanup event loop */ ev_ref(globalconf.loop); ev_check_stop(globalconf.loop, &xcheck); ev_ref(globalconf.loop); ev_prepare_stop(globalconf.loop, &a_refresh); ev_ref(globalconf.loop); ev_io_stop(globalconf.loop, &xio); awesome_atexit(false); return EXIT_SUCCESS; }
/** Hello, this is main. * \param argc Who knows. * \param argv Who knows. * \return EXIT_SUCCESS I hope. */ int main(int argc, char **argv) { char *confpath = NULL; int xfd, i, opt; ssize_t cmdlen = 1; xdgHandle xdg; bool no_argb = false; xcb_generic_event_t *event; xcb_query_tree_cookie_t tree_c; static struct option long_options[] = { { "help", 0, NULL, 'h' }, { "version", 0, NULL, 'v' }, { "config", 1, NULL, 'c' }, { "check", 0, NULL, 'k' }, { "no-argb", 0, NULL, 'a' }, { NULL, 0, NULL, 0 } }; /* event loop watchers */ ev_io xio = { .fd = -1 }; ev_check xcheck; ev_prepare a_refresh; ev_signal sigint; ev_signal sigterm; ev_signal sighup; /* clear the globalconf structure */ p_clear(&globalconf, 1); globalconf.keygrabber = LUA_REFNIL; globalconf.mousegrabber = LUA_REFNIL; buffer_init(&globalconf.startup_errors); /* save argv */ for(i = 0; i < argc; i++) cmdlen += a_strlen(argv[i]) + 1; awesome_argv = p_new(char, cmdlen); a_strcpy(awesome_argv, cmdlen, argv[0]); for(i = 1; i < argc; i++) { a_strcat(awesome_argv, cmdlen, " "); a_strcat(awesome_argv, cmdlen, argv[i]); } /* Text won't be printed correctly otherwise */ setlocale(LC_CTYPE, ""); /* Get XDG basedir data */ xdgInitHandle(&xdg); /* init lua */ luaA_init(&xdg); /* check args */ while((opt = getopt_long(argc, argv, "vhkc:a", long_options, NULL)) != -1) switch(opt) { case 'v': eprint_version(); break; case 'h': exit_help(EXIT_SUCCESS); break; case 'k': if(!luaA_parserc(&xdg, confpath, false)) { fprintf(stderr, "✘ Configuration file syntax error.\n"); return EXIT_FAILURE; } else { fprintf(stderr, "✔ Configuration file syntax OK.\n"); return EXIT_SUCCESS; } case 'c': if(a_strlen(optarg)) confpath = a_strdup(optarg); else fatal("-c option requires a file name"); break; case 'a': no_argb = true; break; } globalconf.loop = ev_default_loop(EVFLAG_NOSIGFD); /* register function for signals */ ev_signal_init(&sigint, exit_on_signal, SIGINT); ev_signal_init(&sigterm, exit_on_signal, SIGTERM); ev_signal_init(&sighup, restart_on_signal, SIGHUP); ev_signal_start(globalconf.loop, &sigint); ev_signal_start(globalconf.loop, &sigterm); ev_signal_start(globalconf.loop, &sighup); ev_unref(globalconf.loop); ev_unref(globalconf.loop); ev_unref(globalconf.loop); struct sigaction sa = { .sa_handler = signal_fatal, .sa_flags = 0 }; sigemptyset(&sa.sa_mask); sigaction(SIGSEGV, &sa, 0); /* X stuff */ globalconf.connection = xcb_connect(NULL, &globalconf.default_screen); if(xcb_connection_has_error(globalconf.connection)) fatal("cannot open display"); globalconf.screen = xcb_aux_get_screen(globalconf.connection, globalconf.default_screen); /* FIXME The following two assignments were swapped on purpose */ if(!no_argb) globalconf.visual = a_default_visual(globalconf.screen); if(!globalconf.visual) globalconf.visual = a_argb_visual(globalconf.screen); globalconf.default_depth = a_visual_depth(globalconf.screen, globalconf.visual->visual_id); globalconf.default_cmap = globalconf.screen->default_colormap; if(globalconf.default_depth != globalconf.screen->root_depth) { // We need our own color map if we aren't using the default depth globalconf.default_cmap = xcb_generate_id(globalconf.connection); xcb_create_colormap(globalconf.connection, XCB_COLORMAP_ALLOC_NONE, globalconf.default_cmap, globalconf.screen->root, globalconf.visual->visual_id); } /* Prefetch all the extensions we might need */ xcb_prefetch_extension_data(globalconf.connection, &xcb_big_requests_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_test_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_randr_id); xcb_prefetch_extension_data(globalconf.connection, &xcb_xinerama_id); /* initialize dbus */ a_dbus_init(); /* Get the file descriptor corresponding to the X connection */ xfd = xcb_get_file_descriptor(globalconf.connection); ev_io_init(&xio, &a_xcb_io_cb, xfd, EV_READ); ev_io_start(globalconf.loop, &xio); ev_check_init(&xcheck, &a_xcb_check_cb); ev_check_start(globalconf.loop, &xcheck); ev_unref(globalconf.loop); ev_prepare_init(&a_refresh, &a_refresh_cb); ev_prepare_start(globalconf.loop, &a_refresh); ev_unref(globalconf.loop); /* Grab server */ xcb_grab_server(globalconf.connection); /* Make sure there are no pending events. Since we didn't really do anything * at all yet, we will just discard all events which we received so far. * The above GrabServer should make sure no new events are generated. */ xcb_aux_sync(globalconf.connection); while ((event = xcb_poll_for_event(globalconf.connection)) != NULL) { /* Make sure errors are printed */ uint8_t response_type = XCB_EVENT_RESPONSE_TYPE(event); if(response_type == 0) event_handle(event); p_delete(&event); } { const uint32_t select_input_val = XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT; /* This causes an error if some other window manager is running */ xcb_change_window_attributes(globalconf.connection, globalconf.screen->root, XCB_CW_EVENT_MASK, &select_input_val); } /* Need to xcb_flush to validate error handler */ xcb_aux_sync(globalconf.connection); /* Process all errors in the queue if any. There can be no events yet, so if * this function returns something, it must be an error. */ if (xcb_poll_for_event(globalconf.connection) != NULL) fatal("another window manager is already running"); /* Prefetch the maximum request length */ xcb_prefetch_maximum_request_length(globalconf.connection); /* check for xtest extension */ const xcb_query_extension_reply_t *xtest_query; xtest_query = xcb_get_extension_data(globalconf.connection, &xcb_test_id); globalconf.have_xtest = xtest_query->present; /* Allocate the key symbols */ globalconf.keysyms = xcb_key_symbols_alloc(globalconf.connection); xcb_get_modifier_mapping_cookie_t xmapping_cookie = xcb_get_modifier_mapping_unchecked(globalconf.connection); /* init atom cache */ atoms_init(globalconf.connection); /* init screens information */ screen_scan(); xutil_lock_mask_get(globalconf.connection, xmapping_cookie, globalconf.keysyms, &globalconf.numlockmask, &globalconf.shiftlockmask, &globalconf.capslockmask, &globalconf.modeswitchmask); /* do this only for real screen */ ewmh_init(); systray_init(); /* init spawn (sn) */ spawn_init(); /* The default GC is just a newly created associated with a window with * depth globalconf.default_depth */ xcb_window_t tmp_win = xcb_generate_id(globalconf.connection); globalconf.gc = xcb_generate_id(globalconf.connection); xcb_create_window(globalconf.connection, globalconf.default_depth, tmp_win, globalconf.screen->root, -1, -1, 1, 1, 0, XCB_COPY_FROM_PARENT, globalconf.visual->visual_id, XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_COLORMAP, (const uint32_t []) { globalconf.screen->black_pixel, globalconf.screen->black_pixel, globalconf.default_cmap }); xcb_create_gc(globalconf.connection, globalconf.gc, tmp_win, XCB_GC_FOREGROUND | XCB_GC_BACKGROUND, (const uint32_t[]) { globalconf.screen->black_pixel, globalconf.screen->white_pixel }); xcb_destroy_window(globalconf.connection, tmp_win); /* Get the window tree associated to this screen */ tree_c = xcb_query_tree_unchecked(globalconf.connection, globalconf.screen->root); xcb_change_window_attributes(globalconf.connection, globalconf.screen->root, XCB_CW_EVENT_MASK, ROOT_WINDOW_EVENT_MASK); /* we will receive events, stop grabbing server */ xcb_ungrab_server(globalconf.connection); /* Parse and run configuration file */ if (!luaA_parserc(&xdg, confpath, true)) fatal("couldn't find any rc file"); p_delete(&confpath); xdgWipeHandle(&xdg); /* scan existing windows */ scan(tree_c); xcb_flush(globalconf.connection); /* main event loop */ ev_loop(globalconf.loop, 0); /* cleanup event loop */ ev_ref(globalconf.loop); ev_check_stop(globalconf.loop, &xcheck); ev_ref(globalconf.loop); ev_prepare_stop(globalconf.loop, &a_refresh); ev_ref(globalconf.loop); ev_io_stop(globalconf.loop, &xio); awesome_atexit(false); return EXIT_SUCCESS; }