/* * vim:ts=4:sw=4:expandtab */ #include #include "all.h" static int xkb_event_base; int xkb_current_group; extern Con *focused; char **start_argv; xcb_connection_t *conn; xcb_event_handlers_t evenths; xcb_atom_t atoms[NUM_ATOMS]; xcb_window_t root; uint8_t root_depth; xcb_key_symbols_t *keysyms; /* The list of key bindings */ struct bindings_head *bindings; /* The list of exec-lines */ struct autostarts_head autostarts = TAILQ_HEAD_INITIALIZER(autostarts); /* The list of assignments */ struct assignments_head assignments = TAILQ_HEAD_INITIALIZER(assignments); /* * This callback is only a dummy, see xcb_prepare_cb and xcb_check_cb. * See also man libev(3): "ev_prepare" and "ev_check" - customise your event loop * */ static void xcb_got_event(EV_P_ struct ev_io *w, int revents) { /* empty, because xcb_prepare_cb and xcb_check_cb are used */ } /* * Flush before blocking (and waiting for new events) * */ static void xcb_prepare_cb(EV_P_ ev_prepare *w, int revents) { xcb_flush(conn); } /* * Instead of polling the X connection socket we leave this to * xcb_poll_for_event() which knows better than we can ever know. * */ static void xcb_check_cb(EV_P_ ev_check *w, int revents) { xcb_generic_event_t *event; while ((event = xcb_poll_for_event(conn)) != NULL) { xcb_event_handle(&evenths, event); free(event); } } int handle_map_request(void *unused, xcb_connection_t *conn, xcb_map_request_event_t *event) { xcb_get_window_attributes_cookie_t cookie; cookie = xcb_get_window_attributes_unchecked(conn, event->window); LOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence); //add_ignore_event(event->sequence); manage_window(event->window, cookie, false); return 1; } int handle_unmap_notify_event(void *data, xcb_connection_t *conn, xcb_unmap_notify_event_t *event) { LOG("unmap event for 0x%08x\n", event->window); Con *con = con_by_window_id(event->window); if (con == NULL) { LOG("Not a managed window, ignoring\n"); return 1; } tree_close(con); tree_render(); return 1; } int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *event) { Con *parent, *con; /* event->count is the number of minimum remaining expose events for this window, so we skip all events but the last one */ if (event->count != 0) return 1; LOG("expose-event, window = %08x\n", event->window); if ((parent = con_by_frame_id(event->window)) == NULL) { LOG("expose event for unknown window, ignoring\n"); return 1; } TAILQ_FOREACH(con, &(parent->nodes_head), nodes) { LOG("expose for con %p / %s\n", con, con->name); if (con->window) x_draw_decoration(con); } xcb_flush(conn); return 1; } void parse_command(const char *command) { printf("received command: %s\n", command); if (strcasecmp(command, "open") == 0) tree_open_con(NULL); else if (strcasecmp(command, "close") == 0) tree_close_con(); else if (strcasecmp(command, "split h") == 0) tree_split(focused, HORIZ); else if (strcasecmp(command, "split v") == 0) tree_split(focused, VERT); else if (strcasecmp(command, "level up") == 0) level_up(); else if (strcasecmp(command, "level down") == 0) level_down(); else if (strcasecmp(command, "prev h") == 0) tree_next('p', HORIZ); else if (strcasecmp(command, "prev v") == 0) tree_next('p', VERT); else if (strcasecmp(command, "next h") == 0) tree_next('n', HORIZ); else if (strcasecmp(command, "next v") == 0) tree_next('n', VERT); else if (strncasecmp(command, "workspace ", strlen("workspace ")) == 0) workspace_show(command + strlen("workspace ")); else if (strcasecmp(command, "move before h") == 0) tree_move('p', HORIZ); else if (strcasecmp(command, "move before v") == 0) tree_move('p', VERT); else if (strcasecmp(command, "move after h") == 0) tree_move('n', HORIZ); else if (strcasecmp(command, "move after v") == 0) tree_move('n', VERT); else if (strncasecmp(command, "restore", strlen("restore")) == 0) tree_append_json(command + strlen("restore ")); else if (strncasecmp(command, "exec", strlen("exec")) == 0) start_application(command + strlen("exec ")); else if (strcasecmp(command, "restart") == 0) i3_restart(); else if (strcasecmp(command, "floating") == 0) toggle_floating_mode(focused, false); tree_render(); #if 0 if (strcasecmp(command, "prev") == 0) tree_prev(O_CURRENT); #endif } int main(int argc, char *argv[]) { int screens; char *override_configpath = NULL; bool autostart = true; bool only_check_config = false; bool force_xinerama = false; xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS]; static struct option long_options[] = { {"no-autostart", no_argument, 0, 'a'}, {"config", required_argument, 0, 'c'}, {"version", no_argument, 0, 'v'}, {"help", no_argument, 0, 'h'}, {"force-xinerama", no_argument, 0, 0}, {0, 0, 0, 0} }; int option_index = 0, opt; setlocale(LC_ALL, ""); /* Disable output buffering to make redirects in .xsession actually useful for debugging */ if (!isatty(fileno(stdout))) setbuf(stdout, NULL); start_argv = argv; while ((opt = getopt_long(argc, argv, "c:Cvahld:V", long_options, &option_index)) != -1) { switch (opt) { case 'a': LOG("Autostart disabled using -a\n"); autostart = false; break; case 'c': override_configpath = sstrdup(optarg); break; case 'C': LOG("Checking configuration file only (-C)\n"); only_check_config = true; break; case 'v': printf("i3 version " I3_VERSION " © 2009 Michael Stapelberg and contributors\n"); exit(EXIT_SUCCESS); case 'V': set_verbosity(true); break; case 'd': LOG("Enabling debug loglevel %s\n", optarg); add_loglevel(optarg); break; case 'l': /* DEPRECATED, ignored for the next 3 versions (3.e, 3.f, 3.g) */ break; case 0: if (strcmp(long_options[option_index].name, "force-xinerama") == 0) { force_xinerama = true; ELOG("Using Xinerama instead of RandR. This option should be " "avoided at all cost because it does not refresh the list " "of screens, so you cannot configure displays at runtime. " "Please check if your driver really does not support RandR " "and disable this option as soon as you can.\n"); break; } /* fall-through */ default: fprintf(stderr, "Usage: %s [-c configfile] [-d loglevel] [-a] [-v] [-V] [-C]\n", argv[0]); fprintf(stderr, "\n"); fprintf(stderr, "-a: disable autostart\n"); fprintf(stderr, "-v: display version and exit\n"); fprintf(stderr, "-V: enable verbose mode\n"); fprintf(stderr, "-d : enable debug loglevel \n"); fprintf(stderr, "-c : use the provided configfile instead\n"); fprintf(stderr, "-C: check configuration file and exit\n"); fprintf(stderr, "--force-xinerama: Use Xinerama instead of RandR. This " "option should only be used if you are stuck with the " "nvidia closed source driver which does not support RandR.\n"); exit(EXIT_FAILURE); } } LOG("i3 (tree) version " I3_VERSION " starting\n"); conn = xcb_connect(NULL, &screens); if (xcb_connection_has_error(conn)) errx(EXIT_FAILURE, "Cannot open display\n"); load_configuration(conn, override_configpath, false); if (only_check_config) { LOG("Done checking configuration file. Exiting.\n"); exit(0); } xcb_screen_t *root_screen = xcb_aux_get_screen(conn, screens); root = root_screen->root; root_depth = root_screen->root_depth; uint32_t mask = XCB_CW_EVENT_MASK; uint32_t values[] = { XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_STRUCTURE_NOTIFY | /* when the user adds a screen (e.g. video projector), the root window gets a ConfigureNotify */ XCB_EVENT_MASK_POINTER_MOTION | XCB_EVENT_MASK_PROPERTY_CHANGE | XCB_EVENT_MASK_ENTER_WINDOW }; xcb_void_cookie_t cookie; cookie = xcb_change_window_attributes_checked(conn, root, mask, values); check_error(conn, cookie, "Another window manager seems to be running"); /* Place requests for the atoms we need as soon as possible */ #define REQUEST_ATOM(name) atom_cookies[name] = xcb_intern_atom(conn, 0, strlen(#name), #name); REQUEST_ATOM(_NET_SUPPORTED); REQUEST_ATOM(_NET_WM_STATE_FULLSCREEN); REQUEST_ATOM(_NET_SUPPORTING_WM_CHECK); REQUEST_ATOM(_NET_WM_NAME); REQUEST_ATOM(_NET_WM_STATE); REQUEST_ATOM(_NET_WM_WINDOW_TYPE); REQUEST_ATOM(_NET_WM_DESKTOP); REQUEST_ATOM(_NET_WM_WINDOW_TYPE_DOCK); REQUEST_ATOM(_NET_WM_WINDOW_TYPE_DIALOG); REQUEST_ATOM(_NET_WM_WINDOW_TYPE_UTILITY); REQUEST_ATOM(_NET_WM_WINDOW_TYPE_TOOLBAR); REQUEST_ATOM(_NET_WM_WINDOW_TYPE_SPLASH); REQUEST_ATOM(_NET_WM_STRUT_PARTIAL); REQUEST_ATOM(WM_PROTOCOLS); REQUEST_ATOM(WM_DELETE_WINDOW); REQUEST_ATOM(UTF8_STRING); REQUEST_ATOM(WM_STATE); REQUEST_ATOM(WM_CLIENT_LEADER); REQUEST_ATOM(_NET_CURRENT_DESKTOP); REQUEST_ATOM(_NET_ACTIVE_WINDOW); REQUEST_ATOM(_NET_WORKAREA); xcb_event_handlers_init(conn, &evenths); xcb_event_set_key_press_handler(&evenths, handle_key_press, NULL); xcb_event_set_button_press_handler(&evenths, handle_button_press, NULL); xcb_event_set_map_request_handler(&evenths, handle_map_request, NULL); xcb_event_set_unmap_notify_handler(&evenths, handle_unmap_notify_event, NULL); //xcb_event_set_destroy_notify_handler(&evenths, handle_destroy_notify_event, NULL); xcb_event_set_expose_handler(&evenths, handle_expose_event, NULL); /* Setup NetWM atoms */ #define GET_ATOM(name) \ do { \ xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, atom_cookies[name], NULL); \ if (!reply) { \ ELOG("Could not get atom " #name "\n"); \ exit(-1); \ } \ atoms[name] = reply->atom; \ free(reply); \ } while (0) GET_ATOM(_NET_SUPPORTED); GET_ATOM(_NET_WM_STATE_FULLSCREEN); GET_ATOM(_NET_SUPPORTING_WM_CHECK); GET_ATOM(_NET_WM_NAME); GET_ATOM(_NET_WM_STATE); GET_ATOM(_NET_WM_WINDOW_TYPE); GET_ATOM(_NET_WM_DESKTOP); GET_ATOM(_NET_WM_WINDOW_TYPE_DOCK); GET_ATOM(_NET_WM_WINDOW_TYPE_DIALOG); GET_ATOM(_NET_WM_WINDOW_TYPE_UTILITY); GET_ATOM(_NET_WM_WINDOW_TYPE_TOOLBAR); GET_ATOM(_NET_WM_WINDOW_TYPE_SPLASH); GET_ATOM(_NET_WM_STRUT_PARTIAL); GET_ATOM(WM_PROTOCOLS); GET_ATOM(WM_DELETE_WINDOW); GET_ATOM(UTF8_STRING); GET_ATOM(WM_STATE); GET_ATOM(WM_CLIENT_LEADER); GET_ATOM(_NET_CURRENT_DESKTOP); GET_ATOM(_NET_ACTIVE_WINDOW); GET_ATOM(_NET_WORKAREA); keysyms = xcb_key_symbols_alloc(conn); xcb_get_numlock_mask(conn); translate_keysyms(); grab_all_keys(conn, false); int randr_base; if (force_xinerama) { xinerama_init(); } else { DLOG("Checking for XRandR...\n"); randr_init(&randr_base); #if 0 xcb_event_set_handler(&evenths, randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY, handle_screen_change, NULL); #endif } if (!tree_restore()) tree_init(); tree_render(); /* proof-of-concept for assignments */ Con *ws = workspace_get("3"); Match *current_swallow = scalloc(sizeof(Match)); TAILQ_INSERT_TAIL(&(ws->swallow_head), current_swallow, matches); current_swallow->insert_where = M_ACTIVE; current_swallow->class = strdup("xterm"); struct ev_loop *loop = ev_loop_new(0); if (loop == NULL) die("Could not initialize libev. Bad LIBEV_FLAGS?\n"); /* Create the UNIX domain socket for IPC */ if (config.ipc_socket_path != NULL) { int ipc_socket = ipc_create_socket(config.ipc_socket_path); if (ipc_socket == -1) { ELOG("Could not create the IPC socket, IPC disabled\n"); } else { struct ev_io *ipc_io = scalloc(sizeof(struct ev_io)); ev_io_init(ipc_io, ipc_new_client, ipc_socket, EV_READ); ev_io_start(loop, ipc_io); } } struct ev_io *xcb_watcher = scalloc(sizeof(struct ev_io)); struct ev_check *xcb_check = scalloc(sizeof(struct ev_check)); struct ev_prepare *xcb_prepare = scalloc(sizeof(struct ev_prepare)); ev_io_init(xcb_watcher, xcb_got_event, xcb_get_file_descriptor(conn), EV_READ); ev_io_start(loop, xcb_watcher); ev_check_init(xcb_check, xcb_check_cb); ev_check_start(loop, xcb_check); ev_prepare_init(xcb_prepare, xcb_prepare_cb); ev_prepare_start(loop, xcb_prepare); xcb_flush(conn); manage_existing_windows(root); ev_loop(loop, 0); }