From 5a15437610e8e8c68dc347845a83d0cbad80ca08 Mon Sep 17 00:00:00 2001 From: Weijie Gao 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 --- 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 @@ -88,6 +88,7 @@ static char *bootmenu_choice_entry(void struct bootmenu_data *menu = data; struct bootmenu_entry *iter; enum bootmenu_key key = BKEY_NONE; + int choice = -1; int i; cli_ch_init(cch); @@ -95,10 +96,10 @@ static char *bootmenu_choice_entry(void while (1) { if (menu->delay >= 0) { /* Autoboot was not stopped */ - key = bootmenu_autoboot_loop(menu, cch); + key = bootmenu_autoboot_loop(menu, cch, &choice); } else { /* Some key was pressed, so autoboot was stopped */ - key = bootmenu_loop(menu, cch); + key = bootmenu_loop(menu, cch, &choice); } switch (key) { @@ -114,6 +115,12 @@ static char *bootmenu_choice_entry(void ++menu->active; /* no menu key selected, regenerate menu */ return NULL; + case BKEY_CHOICE: + menu->active = choice; + if (!menu->last_choiced) { + menu->last_choiced = true; + return NULL; + } case BKEY_SELECT: iter = menu->first; for (i = 0; i < menu->active; ++i) @@ -182,6 +189,9 @@ 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))) { @@ -196,11 +206,24 @@ 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) { @@ -347,6 +370,7 @@ static struct bootmenu_data *bootmenu_cr menu->active = 0; menu->last_active = -1; menu->first = NULL; + menu->last_choiced = false; default_str = env_get("bootmenu_default"); if (default_str) @@ -382,9 +406,9 @@ static struct bootmenu_data *bootmenu_cr /* Add Quit entry if exiting bootmenu is disabled */ if (!IS_ENABLED(CONFIG_BOOTMENU_DISABLE_UBOOT_CONSOLE)) - entry->title = strdup("Exit"); + entry->title = strdup("0. Exit"); else - entry->title = strdup("Quit"); + entry->title = strdup("0. Quit"); if (!entry->title) { free(entry); --- a/common/menu.c +++ b/common/menu.c @@ -49,6 +49,33 @@ 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 @@ -437,7 +464,7 @@ int menu_destroy(struct menu *m) } enum bootmenu_key bootmenu_autoboot_loop(struct bootmenu_data *menu, - struct cli_ch_state *cch) + struct cli_ch_state *cch, int *choice) { enum bootmenu_key key = BKEY_NONE; int i, c; @@ -472,6 +499,19 @@ enum bootmenu_key bootmenu_autoboot_loop break; default: key = BKEY_NONE; + if (cch->esc_len || !choice) + break; + + *choice = find_choice(c); + if ((*choice >= 0 && + *choice < menu->count - 1)) { + key = BKEY_CHOICE; + } else if (c == '0') { + *choice = menu->count - 1; + key = BKEY_CHOICE; + } else { + key = BKEY_NONE; + } break; } break; @@ -492,7 +532,8 @@ enum bootmenu_key bootmenu_autoboot_loop return key; } -enum bootmenu_key bootmenu_conv_key(int ichar) +enum bootmenu_key bootmenu_conv_key(struct bootmenu_data *menu, int ichar, + int *choice) { enum bootmenu_key key; @@ -524,6 +565,20 @@ enum bootmenu_key bootmenu_conv_key(int case ' ': key = BKEY_SPACE; break; + case '0' ... '9': + case 'a' ... 'z': + if (choice && menu) { + *choice = find_choice(ichar); + if ((*choice >= 0 && *choice < menu->count - 1)) { + key = BKEY_CHOICE; + break; + } else if (ichar == '0') { + *choice = menu->count - 1; + key = BKEY_CHOICE; + break; + } + } + fallthrough; default: key = BKEY_NONE; break; @@ -533,11 +588,17 @@ enum bootmenu_key bootmenu_conv_key(int } enum bootmenu_key bootmenu_loop(struct bootmenu_data *menu, - struct cli_ch_state *cch) + struct cli_ch_state *cch, + int *choice) { enum bootmenu_key key; int c, errchar = 0; + if (menu->last_choiced) { + menu->last_choiced = false; + return BKEY_SELECT; + } + c = cli_ch_process(cch, 0); if (!c) { while (!c && !tstc()) { @@ -552,7 +613,7 @@ enum bootmenu_key bootmenu_loop(struct b } } - key = bootmenu_conv_key(c); + key = bootmenu_conv_key(menu, c, choice); return key; } --- a/include/menu.h +++ b/include/menu.h @@ -6,6 +6,8 @@ #ifndef __MENU_H__ #define __MENU_H__ +#include + struct cli_ch_state; struct menu; @@ -20,6 +22,8 @@ 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 @@ -43,6 +47,7 @@ struct bootmenu_data { int last_active; /* last active menu entry */ int count; /* total count of menu entries */ struct bootmenu_entry *first; /* first menu entry */ + bool last_choiced; }; /** enum bootmenu_key - keys that can be returned by the bootmenu */ @@ -53,6 +58,7 @@ enum bootmenu_key { BKEY_SELECT, BKEY_QUIT, BKEY_SAVE, + BKEY_CHOICE, /* 'extra' keys, which are used by menus but not cedit */ BKEY_PLUS, @@ -83,7 +89,7 @@ enum bootmenu_key { * anything else: KEY_NONE */ enum bootmenu_key bootmenu_autoboot_loop(struct bootmenu_data *menu, - struct cli_ch_state *cch); + struct cli_ch_state *cch, int *choice); /** * bootmenu_loop() - handle waiting for a keypress when autoboot is disabled @@ -109,7 +115,7 @@ enum bootmenu_key bootmenu_autoboot_loop * Space: BKEY_SPACE */ enum bootmenu_key bootmenu_loop(struct bootmenu_data *menu, - struct cli_ch_state *cch); + struct cli_ch_state *cch, int *choice); /** * bootmenu_conv_key() - Convert a U-Boot keypress into a menu key @@ -117,6 +123,7 @@ enum bootmenu_key bootmenu_loop(struct b * @ichar: Keypress to convert (ASCII, including control characters) * Returns: Menu key that corresponds to @ichar, or BKEY_NONE if none */ -enum bootmenu_key bootmenu_conv_key(int ichar); +enum bootmenu_key bootmenu_conv_key(struct bootmenu_data *menu, int ichar, + int *choice); #endif /* __MENU_H__ */ --- a/cmd/eficonfig.c +++ b/cmd/eficonfig.c @@ -239,7 +239,7 @@ char *eficonfig_choice_entry(void *data) cli_ch_init(cch); while (1) { - key = bootmenu_loop((struct bootmenu_data *)efi_menu, cch); + key = bootmenu_loop((struct bootmenu_data *)efi_menu, cch, NULL); switch (key) { case BKEY_UP: @@ -1881,7 +1881,7 @@ char *eficonfig_choice_change_boot_order cli_ch_init(cch); while (1) { - key = bootmenu_loop(NULL, cch); + key = bootmenu_loop(NULL, cch, NULL); switch (key) { case BKEY_PLUS: --- a/boot/bootflow_menu.c +++ b/boot/bootflow_menu.c @@ -240,7 +240,7 @@ int bootflow_menu_run(struct bootstd_pri key = 0; if (ichar) { - key = bootmenu_conv_key(ichar); + key = bootmenu_conv_key(NULL, ichar, NULL); if (key == BKEY_NONE) key = ichar; }