/* * All-in-one function which returns the modifier mask (XCB_MOD_MASK_*) for the * given keysymbol, for example for XCB_NUM_LOCK (usually configured to mod2). * * This function initiates one round-trip. Use get_mod_mask_for() directly if * you already have the modifier mapping and key symbols. * */ uint32_t aio_get_mod_mask_for(uint32_t keysym, xcb_key_symbols_t *symbols) { xcb_get_modifier_mapping_cookie_t cookie; xcb_get_modifier_mapping_reply_t *modmap_r; xcb_flush(conn); /* Get the current modifier mapping (this is blocking!) */ cookie = xcb_get_modifier_mapping(conn); if (!(modmap_r = xcb_get_modifier_mapping_reply(conn, cookie, NULL))) return 0; uint32_t result = get_mod_mask_for(keysym, symbols, modmap_r); free(modmap_r); return result; }
/* * Creates the config file and tells i3 to reload. * */ static void finish() { printf("creating \"%s\"...\n", config_path); if (!(dpy = XOpenDisplay(NULL))) errx(1, "Could not connect to X11"); FILE *kc_config = fopen(SYSCONFDIR "/i3/config.keycodes", "r"); if (kc_config == NULL) err(1, "Could not open input file \"%s\"", SYSCONFDIR "/i3/config.keycodes"); FILE *ks_config = fopen(config_path, "w"); if (ks_config == NULL) err(1, "Could not open output config file \"%s\"", config_path); free(config_path); char *line = NULL; size_t len = 0; #ifndef USE_FGETLN ssize_t read; #endif bool head_of_file = true; /* write a header about auto-generation to the output file */ fputs("# This file has been auto-generated by i3-config-wizard(1).\n", ks_config); fputs("# It will not be overwritten, so edit it as you like.\n", ks_config); fputs("#\n", ks_config); fputs("# Should you change your keyboard layout somewhen, delete\n", ks_config); fputs("# this file and re-run i3-config-wizard(1).\n", ks_config); fputs("#\n", ks_config); #ifdef USE_FGETLN char *buf = NULL; while ((buf = fgetln(kc_config, &len)) != NULL) { /* fgetln does not return null-terminated strings */ FREE(line); sasprintf(&line, "%.*s", len, buf); #else size_t linecap = 0; while ((read = getline(&line, &linecap, kc_config)) != -1) { len = strlen(line); #endif /* skip the warning block at the beginning of the input file */ if (head_of_file && strncmp("# WARNING", line, strlen("# WARNING")) == 0) continue; head_of_file = false; /* Skip leading whitespace */ char *walk = line; while (isspace(*walk) && walk < (line + len)) { /* Pre-output the skipped whitespaces to keep proper indentation */ fputc(*walk, ks_config); walk++; } /* Set the modifier the user chose */ if (strncmp(walk, "set $mod ", strlen("set $mod ")) == 0) { if (modifier == MOD_Mod1) fputs("set $mod Mod1\n", ks_config); else fputs("set $mod Mod4\n", ks_config); continue; } /* Check for 'bindcode'. If it’s not a bindcode line, we * just copy it to the output file */ if (strncmp(walk, "bindcode", strlen("bindcode")) != 0) { fputs(walk, ks_config); continue; } char *result = rewrite_binding(walk); fputs(result, ks_config); free(result); } /* sync to do our best in order to have the file really stored on disk */ fflush(ks_config); fsync(fileno(ks_config)); #ifndef USE_FGETLN free(line); #endif fclose(kc_config); fclose(ks_config); /* tell i3 to reload the config file */ int sockfd = ipc_connect(socket_path); ipc_send_message(sockfd, strlen("reload"), 0, (uint8_t*)"reload"); close(sockfd); exit(0); } int main(int argc, char *argv[]) { config_path = resolve_tilde("~/.i3/config"); socket_path = getenv("I3SOCK"); char *pattern = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1"; char *patternbold = "-misc-fixed-bold-r-normal--13-120-75-75-C-70-iso10646-1"; int o, option_index = 0; static struct option long_options[] = { {"socket", required_argument, 0, 's'}, {"version", no_argument, 0, 'v'}, {"limit", required_argument, 0, 'l'}, {"prompt", required_argument, 0, 'P'}, {"prefix", required_argument, 0, 'p'}, {"font", required_argument, 0, 'f'}, {"help", no_argument, 0, 'h'}, {0, 0, 0, 0} }; char *options_string = "s:vh"; while ((o = getopt_long(argc, argv, options_string, long_options, &option_index)) != -1) { switch (o) { case 's': FREE(socket_path); socket_path = strdup(optarg); break; case 'v': printf("i3-config-wizard " I3_VERSION "\n"); return 0; case 'h': printf("i3-config-wizard " I3_VERSION "\n"); printf("i3-config-wizard [-s <socket>] [-v]\n"); return 0; } } /* Check if the destination config file does not exist but the path is * writable. If not, exit now, this program is not useful in that case. */ struct stat stbuf; if (stat(config_path, &stbuf) == 0) { printf("The config file \"%s\" already exists. Exiting.\n", config_path); return 0; } /* Create ~/.i3 if it does not yet exist */ char *config_dir = resolve_tilde("~/.i3"); if (stat(config_dir, &stbuf) != 0) if (mkdir(config_dir, 0755) == -1) err(1, "mkdir(%s) failed", config_dir); free(config_dir); int fd; if ((fd = open(config_path, O_CREAT | O_RDWR, 0644)) == -1) { printf("Cannot open file \"%s\" for writing: %s. Exiting.\n", config_path, strerror(errno)); return 0; } close(fd); unlink(config_path); if (socket_path == NULL) socket_path = root_atom_contents("I3_SOCKET_PATH"); if (socket_path == NULL) socket_path = "/tmp/i3-ipc.sock"; int screens; if ((conn = xcb_connect(NULL, &screens)) == NULL || xcb_connection_has_error(conn)) errx(1, "Cannot open display\n"); xcb_get_modifier_mapping_cookie_t modmap_cookie; modmap_cookie = xcb_get_modifier_mapping(conn); symbols = xcb_key_symbols_alloc(conn); /* Place requests for the atoms we need as soon as possible */ #define xmacro(atom) \ xcb_intern_atom_cookie_t atom ## _cookie = xcb_intern_atom(conn, 0, strlen(#atom), #atom); #include "atoms.xmacro" #undef xmacro root_screen = xcb_aux_get_screen(conn, screens); root = root_screen->root; if (!(modmap_reply = xcb_get_modifier_mapping_reply(conn, modmap_cookie, NULL))) errx(EXIT_FAILURE, "Could not get modifier mapping\n"); xcb_numlock_mask = get_mod_mask_for(XCB_NUM_LOCK, symbols, modmap_reply); font = load_font(pattern, true); bold_font = load_font(patternbold, true); /* Open an input window */ win = xcb_generate_id(conn); xcb_create_window( conn, XCB_COPY_FROM_PARENT, win, /* the window id */ root, /* parent == root */ 490, 297, 300, 205, /* dimensions */ 0, /* X11 border = 0, we draw our own */ XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */ XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK, (uint32_t[]){ 0, /* back pixel: black */ XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_BUTTON_PRESS }); /* Map the window (make it visible) */ xcb_map_window(conn, win); /* Setup NetWM atoms */ #define xmacro(name) \ do { \ xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(conn, name ## _cookie, NULL); \ if (!reply) \ errx(EXIT_FAILURE, "Could not get atom " # name "\n"); \ \ A_ ## name = reply->atom; \ free(reply); \ } while (0); #include "atoms.xmacro" #undef xmacro /* Set dock mode */ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win, A__NET_WM_WINDOW_TYPE, A_ATOM, 32, 1, (unsigned char*) &A__NET_WM_WINDOW_TYPE_DIALOG); /* Set window title */ xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win, A__NET_WM_NAME, A_UTF8_STRING, 8, strlen("i3: first configuration"), "i3: first configuration"); /* Create pixmap */ pixmap = xcb_generate_id(conn); pixmap_gc = xcb_generate_id(conn); xcb_create_pixmap(conn, root_screen->root_depth, pixmap, win, 500, 500); xcb_create_gc(conn, pixmap_gc, pixmap, 0, 0); /* Grab the keyboard to get all input */ xcb_flush(conn); /* Try (repeatedly, if necessary) to grab the keyboard. We might not * get the keyboard at the first attempt because of the keybinding * still being active when started via a wm’s keybinding. */ xcb_grab_keyboard_cookie_t cookie; xcb_grab_keyboard_reply_t *reply = NULL; int count = 0; while ((reply == NULL || reply->status != XCB_GRAB_STATUS_SUCCESS) && (count++ < 500)) { cookie = xcb_grab_keyboard(conn, false, win, XCB_CURRENT_TIME, XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC); reply = xcb_grab_keyboard_reply(conn, cookie, NULL); usleep(1000); } if (reply->status != XCB_GRAB_STATUS_SUCCESS) { fprintf(stderr, "Could not grab keyboard, status = %d\n", reply->status); exit(-1); } xcb_flush(conn); xcb_generic_event_t *event; while ((event = xcb_wait_for_event(conn)) != NULL) { if (event->response_type == 0) { fprintf(stderr, "X11 Error received! sequence %x\n", event->sequence); continue; } /* Strip off the highest bit (set if the event is generated) */ int type = (event->response_type & 0x7F); switch (type) { case XCB_KEY_PRESS: handle_key_press(NULL, conn, (xcb_key_press_event_t*)event); break; /* TODO: handle mappingnotify */ case XCB_BUTTON_PRESS: handle_button_press((xcb_button_press_event_t*)event); break; case XCB_EXPOSE: handle_expose(); break; } free(event); } return 0; }