/*
* Copyright 2010-2011 Calxeda, Inc.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <cli.h>
#include <malloc.h>
#include <errno.h>
#include <linux/list.h>
char *title;
int prompt;
void (*item_data_print)(void *);
+ char *(*item_choice)(void *);
+ void *item_choice_data;
struct list_head items;
};
return NULL;
}
-void __menu_display_statusline(struct menu *m)
+__weak void menu_display_statusline(struct menu *m)
{
- return;
}
-void menu_display_statusline(struct menu *m)
- __attribute__ ((weak, alias("__menu_display_statusline")));
/*
* Display a menu so the user can make a choice of an item. First display its
return menu_items_iter(m, menu_item_key_match, item_key);
}
-/*
- * Wait for the user to hit a key according to the timeout set for the menu.
- * Returns 1 if the user hit a key, or 0 if the timeout expired.
- */
-static inline int menu_interrupted(struct menu *m)
-{
- if (!m->timeout)
- return 0;
-
- if (abortboot(m->timeout/10))
- return 1;
-
- return 0;
-}
-
-/*
- * Checks whether or not the default menu item should be used without
- * prompting for a user choice. If the menu is set to always prompt, or the
- * user hits a key during the timeout period, return 0. Otherwise, return 1 to
- * indicate we should use the default menu item.
- */
-static inline int menu_use_default(struct menu *m)
-{
- return !m->prompt && !menu_interrupted(m);
-}
-
/*
* Set *choice to point to the default item's data, if any default item was
* set, and returns 1. If no default item was set, returns -ENOENT.
*/
-static inline int menu_default_choice(struct menu *m, void **choice)
+int menu_default_choice(struct menu *m, void **choice)
{
if (m->default_item) {
*choice = m->default_item->data;
menu_display(m);
- readret = readline_into_buffer("Enter choice: ", cbuf,
- m->timeout);
-
- if (readret >= 0) {
- choice_item = menu_item_by_key(m, cbuf);
-
- if (!choice_item) {
- printf("%s not found\n", cbuf);
- m->timeout = 0;
+ if (!m->item_choice) {
+ readret = cli_readline_into_buffer("Enter choice: ",
+ cbuf,
+ m->timeout / 10);
+
+ if (readret >= 0) {
+ choice_item = menu_item_by_key(m, cbuf);
+ if (!choice_item)
+ printf("%s not found\n", cbuf);
+ } else if (readret == -1) {
+ printf("<INTERRUPT>\n");
+ return -EINTR;
+ } else {
+ return menu_default_choice(m, choice);
}
} else {
- puts("^C\n");
- return -EINTR;
+ char *key = m->item_choice(m->item_choice_data);
+
+ if (key)
+ choice_item = menu_item_by_key(m, key);
}
+
+ if (!choice_item)
+ m->timeout = 0;
}
*choice = choice_item->data;
if (!m || !choice)
return -EINVAL;
- if (menu_use_default(m))
+ if (!m->prompt)
return menu_default_choice(m, choice);
return menu_interactive_choice(m, choice);
* what must be entered to select an item, the item_data_print function should
* make it obvious what the key for each entry is.
*
+ * item_choice - If not NULL, will be called when asking the user to choose an
+ * item. Returns a key string corresponding to the chosen item or NULL if
+ * no item has been selected.
+ *
+ * item_choice_data - Will be passed as the argument to the item_choice function
+ *
* Returns a pointer to the menu if successful, or NULL if there is
* insufficient memory available to create the menu.
*/
struct menu *menu_create(char *title, int timeout, int prompt,
- void (*item_data_print)(void *))
+ void (*item_data_print)(void *),
+ char *(*item_choice)(void *),
+ void *item_choice_data)
{
struct menu *m;
m->prompt = prompt;
m->timeout = timeout;
m->item_data_print = item_data_print;
+ m->item_choice = item_choice;
+ m->item_choice_data = item_choice_data;
if (title) {
m->title = strdup(title);