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From 5a15437610e8e8c68dc347845a83d0cbad80ca08 Mon Sep 17 00:00:00 2001
From: Weijie Gao <weijie.gao@mediatek.com>
Date: Tue, 19 Jan 2021 10:58:48 +0800
Subject: [PATCH 51/71] cmd: bootmenu: add ability to select item by shortkey
Add ability to use shortkey to select item for bootmenu command
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
---
cmd/bootmenu.c | 34 ++++++++++++++++++++++++-----
common/menu.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++--
include/menu.h | 12 +++++++----
3 files changed, 93 insertions(+), 11 deletions(-)
--- a/cmd/bootmenu.c
+++ b/cmd/bootmenu.c
@@ -87,16 +87,17 @@ static char *bootmenu_choice_entry(void
struct bootmenu_data *menu = data;
struct bootmenu_entry *iter;
enum bootmenu_key key = KEY_NONE;
+ int choice = -1;
int esc = 0;
int i;
while (1) {
if (menu->delay >= 0) {
/* Autoboot was not stopped */
- bootmenu_autoboot_loop(menu, &key, &esc);
+ bootmenu_autoboot_loop(menu, &key, &esc, &choice);
} else {
/* Some key was pressed, so autoboot was stopped */
- bootmenu_loop(menu, &key, &esc);
+ bootmenu_loop(menu, &key, &esc, &choice);
}
switch (key) {
@@ -110,6 +111,12 @@ static char *bootmenu_choice_entry(void
++menu->active;
/* no menu key selected, regenerate menu */
return NULL;
+ case KEY_CHOICE:
+ menu->active = choice;
+ if (!menu->last_choiced) {
+ menu->last_choiced = true;
+ return NULL;
+ }
case KEY_SELECT:
iter = menu->first;
for (i = 0; i < menu->active; ++i)
@@ -167,6 +174,9 @@ static int prepare_bootmenu_entry(struct
unsigned short int i = *index;
struct bootmenu_entry *entry = NULL;
struct bootmenu_entry *iter = *current;
+ char *choice_option;
+ char choice_char;
+ int len;
while ((option = bootmenu_getoption(i))) {
@@ -181,11 +191,24 @@ static int prepare_bootmenu_entry(struct
if (!entry)
return -ENOMEM;
- entry->title = strndup(option, sep - option);
+ /* Add KEY_CHOICE support: '%d. %s\0' : len --> len + 4 */
+ len = sep - option + 4;
+ choice_option = malloc(len);
+ if (!choice_option) {
+ free(entry->title);
+ free(entry);
+ return -ENOMEM;
+ }
+ if (!get_choice_char(i, &choice_char))
+ len = snprintf(choice_option, len, "%c. %s", choice_char, option);
+ else
+ len = snprintf(choice_option, len, " %s", option);
+ entry->title = strndup(choice_option, len);
if (!entry->title) {
free(entry);
return -ENOMEM;
}
+ free(choice_option);
entry->command = strdup(sep + 1);
if (!entry->command) {
@@ -331,6 +354,7 @@ static struct bootmenu_data *bootmenu_cr
menu->delay = delay;
menu->active = 0;
menu->first = NULL;
+ menu->last_choiced = false;
default_str = env_get("bootmenu_default");
if (default_str)
@@ -366,9 +390,9 @@ static struct bootmenu_data *bootmenu_cr
/* Add Quit entry if entering U-Boot console is disabled */
if (!IS_ENABLED(CONFIG_BOOTMENU_DISABLE_UBOOT_CONSOLE))
- entry->title = strdup("U-Boot console");
+ entry->title = strdup("0. U-Boot console");
else
- entry->title = strdup("Quit");
+ entry->title = strdup("0. Quit");
if (!entry->title) {
free(entry);
--- a/common/menu.c
+++ b/common/menu.c
@@ -47,6 +47,33 @@ struct menu {
int item_cnt;
};
+const char choice_chars[] = {
+ '1', '2', '3', '4', '5', '6', '7', '8', '9',
+ 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
+ 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
+ 'u', 'v', 'w', 'x', 'y', 'z'
+};
+
+static int find_choice(char choice)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(choice_chars); i++)
+ if (tolower(choice) == choice_chars[i])
+ return i;
+
+ return -1;
+}
+
+int get_choice_char(int index, char *result)
+{
+ if (index < ARRAY_SIZE(choice_chars))
+ *result = choice_chars[index];
+ else
+ return -1;
+ return 0;
+}
+
/*
* An iterator function for menu items. callback will be called for each item
* in m, with m, a pointer to the item, and extra being passed to callback. If
@@ -426,7 +453,7 @@ int menu_destroy(struct menu *m)
}
void bootmenu_autoboot_loop(struct bootmenu_data *menu,
- enum bootmenu_key *key, int *esc)
+ enum bootmenu_key *key, int *esc, int *choice)
{
int i, c;
@@ -456,6 +483,19 @@ void bootmenu_autoboot_loop(struct bootm
break;
default:
*key = KEY_NONE;
+ if (*esc)
+ break;
+
+ *choice = find_choice(c);
+ if ((*choice >= 0 &&
+ *choice < menu->count - 1)) {
+ *key = KEY_CHOICE;
+ } else if (c == '0') {
+ *choice = menu->count - 1;
+ *key = KEY_CHOICE;
+ } else {
+ *key = KEY_NONE;
+ }
break;
}
@@ -475,10 +515,16 @@ void bootmenu_autoboot_loop(struct bootm
}
void bootmenu_loop(struct bootmenu_data *menu,
- enum bootmenu_key *key, int *esc)
+ enum bootmenu_key *key, int *esc, int *choice)
{
int c;
+ if (menu->last_choiced) {
+ menu->last_choiced = false;
+ *key = KEY_SELECT;
+ return;
+ }
+
if (*esc == 1) {
if (tstc()) {
c = getchar();
@@ -504,6 +550,14 @@ void bootmenu_loop(struct bootmenu_data
if (c == '\e') {
*esc = 1;
*key = KEY_NONE;
+ } else {
+ *choice = find_choice(c);
+ if ((*choice >= 0 && *choice < menu->count - 1)) {
+ *key = KEY_CHOICE;
+ } else if (c == '0') {
+ *choice = menu->count - 1;
+ *key = KEY_CHOICE;
+ }
}
break;
case 1:
--- a/include/menu.h
+++ b/include/menu.h
@@ -6,6 +6,8 @@
#ifndef __MENU_H__
#define __MENU_H__
+#include <linux/ctype.h>
+
struct menu;
struct menu *menu_create(char *title, int timeout, int prompt,
@@ -18,6 +20,8 @@ int menu_get_choice(struct menu *m, void
int menu_item_add(struct menu *m, char *item_key, void *item_data);
int menu_destroy(struct menu *m);
int menu_default_choice(struct menu *m, void **choice);
+/* Add KEY_CHOICE support */
+int get_choice_char(int index, char *result);
/**
* menu_show() Show a boot menu
@@ -40,6 +44,7 @@ struct bootmenu_data {
int active; /* active menu entry */
int count; /* total count of menu entries */
struct bootmenu_entry *first; /* first menu entry */
+ bool last_choiced;
};
enum bootmenu_key {
@@ -51,11 +56,12 @@ enum bootmenu_key {
KEY_PLUS,
KEY_MINUS,
KEY_SPACE,
+ KEY_CHOICE,
};
void bootmenu_autoboot_loop(struct bootmenu_data *menu,
- enum bootmenu_key *key, int *esc);
+ enum bootmenu_key *key, int *esc, int *choice);
void bootmenu_loop(struct bootmenu_data *menu,
- enum bootmenu_key *key, int *esc);
+ enum bootmenu_key *key, int *esc, int *choice);
#endif /* __MENU_H__ */
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