ui/ncurses: Add safe mode indicator

[petitboot] / ui / ncurses / nc-cui.c

diff --git a/ui/ncurses/nc-cui.c b/ui/ncurses/nc-cui.c
index e8aaf9aba37079589eb9b2e7da9062e7d0d2e8ed..1f163b9ed10f3323a016a28c64bc5d71d96f8c32 100644 (file)
--- a/ui/ncurses/nc-cui.c
+++ b/ui/ncurses/nc-cui.c
@@ -58,6 +58,11 @@ static void cui_start(void)
        define_key("\x7f", KEY_BACKSPACE);
        define_key("\x08", KEY_BACKSPACE);
 
+       /* we need backtab too, for form navigation. vt220 doesn't include
+        * this (kcbt), but we don't want to require a full linux/xterm termcap
+        */
+       define_key("\x1b[Z", KEY_BTAB);
+
        while (getch() != ERR)          /* flush stdin */
                (void)0;
 }
@@ -175,22 +180,27 @@ static void cui_boot_editor_on_exit(struct cui *cui,
        if (!item) {
                int insert_pt;
 
+               cod = talloc_zero(NULL, struct cui_opt_data);
+               cod->name = talloc_asprintf(cod, "User item %u", ++user_idx);
+
+               item = pmenu_item_create(menu, cod->name);
+               if (!item) {
+                       talloc_free(cod);
+                       goto out;
+               }
+
+               item->on_edit = cui_item_edit;
+               item->on_execute = cui_boot;
+               item->data = cod;
+
+               talloc_steal(item, cod);
+
                /* Detach the items array. */
                set_menu_items(menu->ncm, NULL);
 
                /* Insert new item at insert_pt. */
                insert_pt = pmenu_grow(menu, 1);
-               item = pmenu_item_alloc(menu);
-               item->on_edit = cui_item_edit;
-               item->on_execute = cui_boot;
-               item->data = cod = talloc_zero(item, struct cui_opt_data);
-
-               cod->name = talloc_asprintf(cod, "User item %u:", ++user_idx);
-               if (pmenu_item_setup(menu, item, insert_pt,
-                               talloc_strdup(item, cod->name)) == NULL) {
-                       talloc_free(item);
-                       item = NULL;
-               }
+               pmenu_item_insert(menu, item, insert_pt);
 
                /* Re-attach the items array. */
                set_menu_items(menu->ncm, menu->items);
@@ -201,8 +211,8 @@ static void cui_boot_editor_on_exit(struct cui *cui,
 
        cod->bd = talloc_steal(cod, bd);
 
-       if (item)
-               set_current_item(item->pmenu->ncm, item->nci);
+       set_current_item(item->pmenu->ncm, item->nci);
+out:
        cui_set_current(cui, &cui->main->scr);
        talloc_free(cui->boot_editor);
        cui->boot_editor = NULL;
@@ -317,10 +327,6 @@ static int cui_process_key(void *arg)
 
        assert(cui->current);
 
-       if (!cui->has_input)
-               discover_client_cancel_default(cui->client);
-       cui->has_input = true;
-
        for (;;) {
                int c = getch();
 
@@ -329,6 +335,13 @@ static int cui_process_key(void *arg)
                if (c == ERR)
                        break;
 
+               if (!cui->has_input) {
+                       pb_log("UI input received (key = %d), aborting "
+                                       "default boot\n", c);
+                       discover_client_cancel_default(cui->client);
+                       cui->has_input = true;
+               }
+
                if (process_global_keys(cui, c))
                        continue;
 
@@ -407,19 +420,11 @@ static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
        if (cui->current == &cui->main->scr)
                nc_scr_unpost(cui->current);
 
-       /* This disconnects items array from menu. */
-
-       result = set_menu_items(cui->main->ncm, NULL);
-
-       if (result)
-               pb_log("%s: set_menu_items failed: %d\n", __func__, result);
-
-       /* Insert new items at insert_pt. */
-       insert_pt = pmenu_grow(cui->main, 1);
-
        /* Save the item in opt->ui_info for cui_device_remove() */
 
-       opt->ui_info = i = pmenu_item_alloc(cui->main);
+       opt->ui_info = i = pmenu_item_create(cui->main, opt->name);
+       if (!i)
+               return -1;
 
        i->on_edit = cui_item_edit;
        i->on_execute = cui_boot;
@@ -436,7 +441,15 @@ static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
        cod->bd->dtb = talloc_strdup(cod->bd, opt->dtb_file);
        cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
 
-       pmenu_item_setup(cui->main, i, insert_pt, cod->name);
+       /* This disconnects items array from menu. */
+       result = set_menu_items(cui->main->ncm, NULL);
+
+       if (result)
+               pb_log("%s: set_menu_items failed: %d\n", __func__, result);
+
+       /* Insert new items at insert_pt. */
+       insert_pt = pmenu_grow(cui->main, 1);
+       pmenu_item_insert(cui->main, i, insert_pt);
 
        pb_log("%s: adding opt '%s'\n", __func__, cod->name);
        pb_log("   image  '%s'\n", cod->bd->image);
@@ -579,6 +592,11 @@ static void cui_update_config(struct config *config, void *arg)
 
        if (cui->config_screen)
                config_screen_update(cui->config_screen, config, cui->sysinfo);
+
+       if (config->safe_mode)
+               nc_scr_status_printf(cui->current,
+                               "SAFE MODE: select '%s' to continue",
+                               "Rescan devices");
 }
 
 int cui_send_config(struct cui *cui, struct config *config)
@@ -672,6 +690,7 @@ retry_start:
        }
 
        atexit(cui_atexit);
+       talloc_steal(cui, cui->client);
        cui_start();
 
        waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,