2 * Copyright (C) 2009 Sony Computer Entertainment Inc.
3 * Copyright 2009 Sony Corp.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #if defined(HAVE_CONFIG_H)
27 #include <sys/ioctl.h>
30 #include "pb-protocol/pb-protocol.h"
31 #include "talloc/talloc.h"
32 #include "waiter/waiter.h"
33 #include "process/process.h"
34 #include "i18n/i18n.h"
35 #include "ui/common/discover-client.h"
36 #include "ui/common/ui-system.h"
38 #include "nc-boot-editor.h"
39 #include "nc-config.h"
40 #include "nc-add-url.h"
41 #include "nc-sysinfo.h"
43 #include "nc-helpscreen.h"
44 #include "nc-subset.h"
46 extern const struct help_text main_menu_help_text;
48 static struct pmenu *main_menu_init(struct cui *cui);
50 static void cui_start(void)
52 initscr(); /* Initialize ncurses. */
53 cbreak(); /* Disable line buffering. */
54 noecho(); /* Disable getch() echo. */
55 keypad(stdscr, TRUE); /* Enable num keypad keys. */
56 nonl(); /* Disable new-line translation. */
57 intrflush(stdscr, FALSE); /* Disable interrupt flush. */
58 curs_set(0); /* Make cursor invisible */
59 nodelay(stdscr, TRUE); /* Enable non-blocking getch() */
61 /* We may be operating with an incorrect $TERM type; in this case
62 * the keymappings will be slightly broken. We want at least
63 * backspace to work though, so we'll define both DEL and ^H to
65 define_key("\x7f", KEY_BACKSPACE);
66 define_key("\x08", KEY_BACKSPACE);
68 /* we need backtab too, for form navigation. vt220 doesn't include
69 * this (kcbt), but we don't want to require a full linux/xterm termcap
71 define_key("\x1b[Z", KEY_BTAB);
73 /* We'll define a few other keys too since they're commonly
74 * used for navigation but the escape character will cause
75 * Petitboot to exit if they're left undefined */
76 define_key("\x1b\x5b\x35\x7e", KEY_PPAGE);
77 define_key("\x1b\x5b\x36\x7e", KEY_NPAGE);
78 define_key("\x1b\x4f\x48", KEY_HOME);
79 define_key("\x1b\x4f\x46", KEY_END);
80 define_key("OH", KEY_HOME);
81 define_key("OF", KEY_END);
83 while (getch() != ERR) /* flush stdin */
87 static void cui_atexit(void)
95 * cui_abort - Signal the main cui program loop to exit.
97 * Sets cui.abort, which causes the cui_run() routine to return.
100 void cui_abort(struct cui *cui)
102 pb_log("%s: exiting\n", __func__);
107 * cui_resize - Signal the main cui program loop to resize
109 * Called at SIGWINCH.
112 void cui_resize(struct cui *cui)
114 pb_debug("%s: resizing\n", __func__);
119 * cui_on_exit - A generic main menu exit callback.
122 void cui_on_exit(struct pmenu *menu)
124 cui_abort(cui_from_pmenu(menu));
128 * cui_run_cmd - A generic cb to run the supplied command.
131 int cui_run_cmd(struct pmenu_item *item)
134 struct cui *cui = cui_from_item(item);
135 const char **cmd_argv = item->data;
137 nc_scr_status_printf(cui->current, _("Running %s..."), cmd_argv[0]);
141 result = process_run_simple_argv(item, cmd_argv);
144 redrawwin(cui->current->main_ncw);
147 pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
148 nc_scr_status_printf(cui->current, _("Failed: %s"),
156 * cui_boot - A generic cb to run kexec.
159 static int cui_boot(struct pmenu_item *item)
162 struct cui *cui = cui_from_item(item);
163 struct cui_opt_data *cod = cod_from_item(item);
165 assert(cui->current == &cui->main->scr);
167 pb_debug("%s: %s\n", __func__, cod->name);
169 nc_scr_status_printf(cui->current, _("Booting %s..."), cod->name);
171 result = discover_client_boot(cui->client, NULL, cod->opt, cod->bd);
174 nc_scr_status_printf(cui->current,
175 _("Failed: boot %s"), cod->bd->image);
181 static void cui_boot_editor_on_exit(struct cui *cui,
182 struct pmenu_item *item,
183 struct pb_boot_data *bd)
185 struct pmenu *menu = cui->main;
186 struct cui_opt_data *cod;
187 static int user_idx = 0;
189 /* Was the edit cancelled? */
191 cui_set_current(cui, &cui->main->scr);
192 talloc_free(cui->boot_editor);
193 cui->boot_editor = NULL;
197 /* Is this was a new item, we'll need to update the menu */
201 cod = talloc_zero(NULL, struct cui_opt_data);
202 cod->name = talloc_asprintf(cod, _("User item %u"), ++user_idx);
204 item = pmenu_item_create(menu, cod->name);
210 item->on_edit = cui_item_edit;
211 item->on_execute = cui_boot;
214 talloc_steal(item, cod);
216 /* Detach the items array. */
217 set_menu_items(menu->ncm, NULL);
219 /* Insert new item at insert_pt. */
220 insert_pt = pmenu_grow(menu, 1);
221 pmenu_item_insert(menu, item, insert_pt);
223 /* Re-attach the items array. */
224 set_menu_items(menu->ncm, menu->items);
225 nc_scr_post(&menu->scr);
230 cod->bd = talloc_steal(cod, bd);
232 set_current_item(item->pmenu->ncm, item->nci);
234 cui_set_current(cui, &cui->main->scr);
235 talloc_free(cui->boot_editor);
236 cui->boot_editor = NULL;
239 void cui_item_edit(struct pmenu_item *item)
241 struct cui *cui = cui_from_item(item);
242 cui->boot_editor = boot_editor_init(cui, item, cui->sysinfo,
243 cui_boot_editor_on_exit);
244 cui_set_current(cui, boot_editor_scr(cui->boot_editor));
247 void cui_item_new(struct pmenu *menu)
249 struct cui *cui = cui_from_pmenu(menu);
250 cui->boot_editor = boot_editor_init(cui, NULL, cui->sysinfo,
251 cui_boot_editor_on_exit);
252 cui_set_current(cui, boot_editor_scr(cui->boot_editor));
255 static void cui_sysinfo_exit(struct cui *cui)
257 cui_set_current(cui, &cui->main->scr);
258 talloc_free(cui->sysinfo_screen);
259 cui->sysinfo_screen = NULL;
262 void cui_show_sysinfo(struct cui *cui)
264 cui->sysinfo_screen = sysinfo_screen_init(cui, cui->sysinfo,
266 cui_set_current(cui, sysinfo_screen_scr(cui->sysinfo_screen));
269 static void cui_config_exit(struct cui *cui)
271 cui_set_current(cui, &cui->main->scr);
272 talloc_free(cui->config_screen);
273 cui->config_screen = NULL;
276 void cui_show_config(struct cui *cui)
278 cui->config_screen = config_screen_init(cui, cui->config,
279 cui->sysinfo, cui_config_exit);
280 cui_set_current(cui, config_screen_scr(cui->config_screen));
283 static void cui_lang_exit(struct cui *cui)
285 cui_set_current(cui, &cui->main->scr);
286 talloc_free(cui->lang_screen);
287 cui->lang_screen = NULL;
290 void cui_show_lang(struct cui *cui)
292 cui->lang_screen = lang_screen_init(cui, cui->config, cui_lang_exit);
293 cui_set_current(cui, lang_screen_scr(cui->lang_screen));
296 static void cui_add_url_exit(struct cui *cui)
298 cui_set_current(cui, &cui->main->scr);
299 talloc_free(cui->add_url_screen);
300 cui->add_url_screen = NULL;
303 void cui_show_add_url(struct cui *cui)
305 cui->add_url_screen = add_url_screen_init(cui, cui_add_url_exit);
306 cui_set_current(cui, add_url_screen_scr(cui->add_url_screen));
309 static void cui_help_exit(struct cui *cui)
311 cui_set_current(cui, help_screen_return_scr(cui->help_screen));
312 talloc_free(cui->help_screen);
313 cui->help_screen = NULL;
316 void cui_show_help(struct cui *cui, const char *title,
317 const struct help_text *text)
322 if (cui->help_screen)
325 cui->help_screen = help_screen_init(cui, cui->current,
326 title, text, cui_help_exit);
328 if (cui->help_screen)
329 cui_set_current(cui, help_screen_scr(cui->help_screen));
332 static void cui_subset_exit(struct cui *cui)
334 cui_set_current(cui, subset_screen_return_scr(cui->subset_screen));
335 talloc_free(cui->subset_screen);
336 cui->subset_screen = NULL;
339 void cui_show_subset(struct cui *cui, const char *title,
345 if (cui->subset_screen)
348 cui->subset_screen = subset_screen_init(cui, cui->current,
349 title, arg, cui_subset_exit);
351 if (cui->subset_screen)
352 cui_set_current(cui, subset_screen_scr(cui->subset_screen));
356 * cui_set_current - Set the currently active screen and redraw it.
359 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
363 DBGS("%p -> %p\n", cui->current, scr);
365 assert(cui->current != scr);
372 nc_scr_post(cui->current);
377 static bool process_global_keys(struct cui *cui, int key)
381 if (cui->current && cui->current->main_ncw)
389 * cui_process_key - Process input on stdin.
392 static int cui_process_key(void *arg)
394 struct cui *cui = cui_from_arg(arg);
396 assert(cui->current);
401 pb_debug("%s: got key %d\n", __func__, c);
406 if (!cui->has_input) {
407 pb_log("UI input received (key = %d), aborting "
408 "default boot\n", c);
409 discover_client_cancel_default(cui->client);
410 cui->has_input = true;
413 if (process_global_keys(cui, c))
416 cui->current->process_key(cui->current, c);
423 * cui_process_js - Process joystick events.
426 static int cui_process_js(void *arg)
428 struct cui *cui = cui_from_arg(arg);
431 c = pjs_process_event(cui->pjs);
435 cui_process_key(arg);
442 * cui_handle_resize - Handle the term resize.
445 static void cui_handle_resize(struct cui *cui)
449 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
450 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
454 pb_debug("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
456 wclear(cui->current->main_ncw);
457 resize_term(ws.ws_row, ws.ws_col);
458 cui->current->resize(cui->current);
460 /* For some reason this makes ncurses redraw the screen */
462 redrawwin(cui->current->main_ncw);
463 wrefresh(cui->current->main_ncw);
467 * cui_device_add - Client device_add callback.
469 * Creates menu_items for all the device boot_options and inserts those
470 * menu_items into the main menu. Redraws the main menu if it is active.
473 static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
476 struct pmenu_item *i, *dev_hdr = NULL;
477 struct cui *cui = cui_from_arg(arg);
478 struct cui_opt_data *cod;
479 const char *tab = " ";
480 unsigned int insert_pt;
481 int result, rows, cols;
485 pb_debug("%s: %p %s\n", __func__, opt, opt->id);
487 selected = current_item(cui->main->ncm);
488 menu_format(cui->main->ncm, &rows, &cols);
490 if (cui->current == &cui->main->scr)
491 nc_scr_unpost(cui->current);
493 /* Check if the boot device is new */
494 dev_hdr = pmenu_find_device(cui->main, dev, opt);
496 /* All actual boot entries are 'tabbed' across */
497 name = talloc_asprintf(cui->main, "%s%s",
498 tab, opt->name ? : "Unknown Name");
500 /* Save the item in opt->ui_info for cui_device_remove() */
501 opt->ui_info = i = pmenu_item_create(cui->main, name);
506 i->on_edit = cui_item_edit;
507 i->on_execute = cui_boot;
508 i->data = cod = talloc(i, struct cui_opt_data);
512 cod->opt_hash = pb_opt_hash(dev, opt);
513 cod->name = opt->name;
514 cod->bd = talloc(i, struct pb_boot_data);
516 cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
517 cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
518 cod->bd->dtb = talloc_strdup(cod->bd, opt->dtb_file);
519 cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
521 /* This disconnects items array from menu. */
522 result = set_menu_items(cui->main->ncm, NULL);
525 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
527 /* Insert new items at insert_pt. */
529 insert_pt = pmenu_grow(cui->main, 2);
530 pmenu_item_insert(cui->main, dev_hdr, insert_pt);
531 pb_log("%s: adding new device hierarchy %s\n",
532 __func__,opt->device_id);
533 pmenu_item_insert(cui->main, i, insert_pt+1);
535 insert_pt = pmenu_grow(cui->main, 1);
536 pmenu_item_add(cui->main, i, insert_pt);
539 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
540 pb_log(" image '%s'\n", cod->bd->image);
541 pb_log(" initrd '%s'\n", cod->bd->initrd);
542 pb_log(" args '%s'\n", cod->bd->args);
544 /* Re-attach the items array. */
545 result = set_menu_items(cui->main->ncm, cui->main->items);
548 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
551 pb_log("%s\n", __func__);
552 pmenu_dump_items(cui->main->items,
553 item_count(cui->main->ncm) + 1);
556 if (!item_visible(selected)) {
559 top = top_row(cui->main->ncm);
560 idx = item_index(selected);
562 /* If our index is above the current top row, align
563 * us to the new top. Otherwise, align us to the new
565 top = top < idx ? idx - rows : idx;
567 set_top_row(cui->main->ncm, top);
568 set_current_item(cui->main->ncm, selected);
571 if (cui->current == &cui->main->scr)
572 nc_scr_post(cui->current);
578 * cui_device_remove - Client device remove callback.
580 * Removes all the menu_items for the device from the main menu and redraws the
581 * main menu if it is active.
584 static void cui_device_remove(struct device *dev, void *arg)
586 struct cui *cui = cui_from_arg(arg);
587 struct boot_option *opt;
591 pb_log("%s: %p %s\n", __func__, dev, dev->id);
593 if (cui->current == &cui->main->scr)
594 nc_scr_unpost(cui->current);
596 /* This disconnects items array from menu. */
598 result = set_menu_items(cui->main->ncm, NULL);
601 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
603 list_for_each_entry(&dev->boot_options, opt, list) {
604 struct pmenu_item *item = pmenu_item_from_arg(opt->ui_info);
606 assert(pb_protocol_device_cmp(dev, cod_from_item(item)->dev));
607 pmenu_remove(cui->main, item);
610 /* Manually remove remaining device hierarchy item */
611 for (i=0; i < cui->main->item_count; i++) {
612 struct pmenu_item *item = item_userptr(cui->main->items[i]);
613 if (!item || !item->data )
616 struct cui_opt_data *data = item->data;
617 if (data && data->dev && data->dev == dev)
618 pmenu_remove(cui->main,item);
621 /* Re-attach the items array. */
623 result = set_menu_items(cui->main->ncm, cui->main->items);
626 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
629 pb_log("%s\n", __func__);
630 pmenu_dump_items(cui->main->items,
631 item_count(cui->main->ncm) + 1);
634 if (cui->current == &cui->main->scr)
635 nc_scr_post(cui->current);
638 static void cui_update_status(struct boot_status *status, void *arg)
640 struct cui *cui = cui_from_arg(arg);
642 nc_scr_status_printf(cui->current,
644 status->type == BOOT_STATUS_ERROR ?
645 _("Error") : _("Info"),
650 static void cui_update_mm_title(struct cui *cui)
652 struct nc_frame *frame = &cui->main->scr.frame;
654 talloc_free(frame->rtitle);
656 frame->rtitle = talloc_strdup(cui->main, cui->sysinfo->type);
657 if (cui->sysinfo->identifier)
658 frame->rtitle = talloc_asprintf_append(frame->rtitle,
659 " %s", cui->sysinfo->identifier);
661 if (cui->current == &cui->main->scr)
662 nc_scr_post(cui->current);
665 static void cui_update_sysinfo(struct system_info *sysinfo, void *arg)
667 struct cui *cui = cui_from_arg(arg);
668 cui->sysinfo = talloc_steal(cui, sysinfo);
670 /* if we're currently displaying the system info screen, inform it
671 * of the updated information. */
672 if (cui->sysinfo_screen)
673 sysinfo_screen_update(cui->sysinfo_screen, sysinfo);
675 /* ... and do the same with the config screen... */
676 if (cui->config_screen)
677 config_screen_update(cui->config_screen, cui->config, sysinfo);
679 /* ... and the boot editor. */
680 if (cui->boot_editor)
681 boot_editor_update(cui->boot_editor, sysinfo);
683 cui_update_mm_title(cui);
686 static void cui_update_language(struct cui *cui, char *lang)
691 cur_lang = setlocale(LC_ALL, NULL);
692 if (cur_lang && !strcmp(cur_lang, lang))
695 setlocale(LC_ALL, lang);
697 /* we'll need to update the menu: drop all items and repopulate */
698 repost_menu = cui->current == &cui->main->scr;
700 nc_scr_unpost(cui->current);
702 talloc_free(cui->main);
703 cui->main = main_menu_init(cui);
706 cui->current = &cui->main->scr;
707 nc_scr_post(cui->current);
710 discover_client_enumerate(cui->client);
713 static void cui_update_config(struct config *config, void *arg)
715 struct cui *cui = cui_from_arg(arg);
716 cui->config = talloc_steal(cui, config);
719 cui_update_language(cui, config->lang);
721 if (cui->config_screen)
722 config_screen_update(cui->config_screen, config, cui->sysinfo);
724 if (config->safe_mode)
725 nc_scr_status_printf(cui->current,
726 _("SAFE MODE: select '%s' to continue"),
727 _("Rescan devices"));
730 int cui_send_config(struct cui *cui, struct config *config)
732 return discover_client_send_config(cui->client, config);
735 int cui_send_url(struct cui *cui, char * url)
737 return discover_client_send_url(cui->client, url);
740 void cui_send_reinit(struct cui *cui)
742 discover_client_send_reinit(cui->client);
745 static int menu_sysinfo_execute(struct pmenu_item *item)
747 cui_show_sysinfo(cui_from_item(item));
751 static int menu_config_execute(struct pmenu_item *item)
753 cui_show_config(cui_from_item(item));
757 static int menu_lang_execute(struct pmenu_item *item)
759 cui_show_lang(cui_from_item(item));
763 static int menu_reinit_execute(struct pmenu_item *item)
765 cui_send_reinit(cui_from_item(item));
769 static int menu_add_url_execute(struct pmenu_item *item)
771 cui_show_add_url(cui_from_item(item));
776 * pb_mm_init - Setup the main menu instance.
778 static struct pmenu *main_menu_init(struct cui *cui)
780 struct pmenu_item *i;
784 m = pmenu_init(cui, 7, cui_on_exit);
786 pb_log("%s: failed\n", __func__);
790 m->on_new = cui_item_new;
792 m->scr.frame.ltitle = talloc_asprintf(m,
793 "Petitboot (" PACKAGE_VERSION ")");
794 m->scr.frame.rtitle = NULL;
795 m->scr.frame.help = talloc_strdup(m,
796 _("Enter=accept, e=edit, n=new, x=exit, l=language, h=help"));
797 m->scr.frame.status = talloc_strdup(m, _("Welcome to Petitboot"));
799 /* add a separator */
800 i = pmenu_item_create(m, " ");
801 item_opts_off(i->nci, O_SELECTABLE);
802 pmenu_item_insert(m, i, 0);
804 /* add system items */
805 i = pmenu_item_create(m, _("System information"));
806 i->on_execute = menu_sysinfo_execute;
807 pmenu_item_insert(m, i, 1);
809 i = pmenu_item_create(m, _("System configuration"));
810 i->on_execute = menu_config_execute;
811 pmenu_item_insert(m, i, 2);
813 /* this label isn't translated, so we don't want a gettext() here */
814 i = pmenu_item_create(m, "Language");
815 i->on_execute = menu_lang_execute;
816 pmenu_item_insert(m, i, 3);
818 i = pmenu_item_create(m, _("Rescan devices"));
819 i->on_execute = menu_reinit_execute;
820 pmenu_item_insert(m, i, 4);
822 i = pmenu_item_create(m, _("Retrieve config from URL"));
823 i->on_execute = menu_add_url_execute;
824 pmenu_item_insert(m, i, 5);
826 i = pmenu_item_create(m, _("Exit to shell"));
827 i->on_execute = pmenu_exit_cb;
828 pmenu_item_insert(m, i, 6);
830 result = pmenu_setup(m);
833 pb_log("%s:%d: pmenu_setup failed: %s\n", __func__, __LINE__,
838 m->help_title = _("main menu");
839 m->help_text = &main_menu_help_text;
841 menu_opts_off(m->ncm, O_SHOWDESC);
842 set_menu_mark(m->ncm, " *");
843 set_current_item(m->ncm, i->nci);
852 static struct discover_client_ops cui_client_ops = {
854 .boot_option_add = cui_boot_option_add,
855 .device_remove = cui_device_remove,
856 .update_status = cui_update_status,
857 .update_sysinfo = cui_update_sysinfo,
858 .update_config = cui_update_config,
862 * cui_init - Setup the cui instance.
863 * @platform_info: A value for the struct cui platform_info member.
865 * Returns a pointer to a struct cui on success, or NULL on error.
867 * Allocates the cui instance, sets up the client and stdin waiters, and
868 * sets up the ncurses menu screen.
871 struct cui *cui_init(void* platform_info,
872 int (*js_map)(const struct js_event *e), int start_deamon)
877 cui = talloc_zero(NULL, struct cui);
879 pb_log("%s: alloc cui failed.\n", __func__);
880 fprintf(stderr, _("%s: alloc cui failed.\n"), __func__);
884 cui->c_sig = pb_cui_sig;
885 cui->platform_info = platform_info;
886 cui->waitset = waitset_create(cui);
888 process_init(cui, cui->waitset, false);
890 /* Loop here for scripts that just started the server. */
893 for (i = start_deamon ? 2 : 10; i; i--) {
894 cui->client = discover_client_init(cui->waitset,
895 &cui_client_ops, cui);
896 if (cui->client || !i)
898 pb_log("%s: waiting for server %d\n", __func__, i);
902 if (!cui->client && start_deamon) {
907 result = pb_start_daemon(cui);
912 pb_log("%s: discover_client_init failed.\n", __func__);
913 fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
915 fprintf(stderr, _("could not start pb-discover, the petitboot "
917 goto fail_client_init;
921 pb_log("%s: discover_client_init failed.\n", __func__);
922 fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
924 fprintf(stderr, _("check that pb-discover, "
925 "the petitboot daemon is running.\n"));
926 goto fail_client_init;
930 talloc_steal(cui, cui->client);
933 cui->main = main_menu_init(cui);
935 goto fail_client_init;
937 waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,
938 cui_process_key, cui);
942 cui->pjs = pjs_init(cui, js_map);
945 waiter_register_io(cui->waitset, pjs_get_fd(cui->pjs),
946 WAIT_IN, cui_process_js, cui);
958 * cui_run - The main cui program loop.
959 * @cui: The cui instance.
960 * @main: The menu to use as the main menu.
962 * Runs the cui engine. Does not return until indicated to do so by some
963 * user action, or an error occurs. Frees the cui object on return.
964 * Returns 0 on success (return to shell), -1 on error (should restart).
967 int cui_run(struct cui *cui)
971 cui->current = &cui->main->scr;
972 cui->default_item = 0;
974 nc_scr_post(cui->current);
977 int result = waiter_poll(cui->waitset);
980 pb_log("%s: poll: %s\n", __func__, strerror(errno));
987 while (cui->resize) {
989 cui_handle_resize(cui);
995 return cui->abort ? 0 : -1;