From 7923392c561136bd7ac3d9e28cc61c18be3a8b3f Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Fri, 17 Sep 2010 15:45:53 +0200 Subject: menu: add auto select support this will allow to automaticaly run an entry if the user do no choice this is usefull for boot menu as example with menu -s -m boot -A 3 -d "Auto Boot in" Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Signed-off-by: Sascha Hauer --- commands/menu.c | 24 +++++++++++++++++++++--- common/menu.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++- include/menu.h | 4 ++++ 3 files changed, 78 insertions(+), 4 deletions(-) diff --git a/commands/menu.c b/commands/menu.c index 7b8e8bec58..d2ac5cdb24 100644 --- a/commands/menu.c +++ b/commands/menu.c @@ -48,11 +48,12 @@ struct cmd_menu { char *command; char *submenu; int num; + int auto_select; #endif }; #if defined(CONFIG_CMD_MENU_MANAGEMENT) -#define OPTS "m:earlc:d:RsSn:u:" +#define OPTS "m:earlc:d:RsSn:u:A:" #define is_entry(x) ((x)->entry) #else #define OPTS "m:ls" @@ -212,7 +213,7 @@ static int do_menu_select(struct cmd_menu *cm) #endif /* - * menu -s -m + * menu -s -m [-A ] [-d auto_select != -EINVAL) { + menu_set_auto_select(m, cm->auto_select); + + free(m->auto_display); + + m->auto_display = strdup(cm->description); + } + return menu_show(m); } @@ -300,6 +312,7 @@ static int do_menu(struct command *cmdtp, int argc, char *argv[]) memset(&cm, 0, sizeof(struct cmd_menu)); #if defined(CONFIG_CMD_MENU_MANAGEMENT) cm.num = -EINVAL; + cm.auto_select = -EINVAL; #endif cm.action = action_show; @@ -343,6 +356,9 @@ static int do_menu(struct command *cmdtp, int argc, char *argv[]) case 'n': cm.num = simple_strtoul(optarg, NULL, 10); break; + case 'A': + cm.auto_select = simple_strtoul(optarg, NULL, 10); + break; #endif default: return 1; @@ -398,7 +414,9 @@ static const __maybe_unused char cmd_menu_help[] = "How to\n" "\n" "Show menu\n" -" menu -s -m \n" +" (-A auto select delay)\n" +" (-d auto select description)\n" +" menu -s -m [-A delay] [-d auto_display]\n" "\n" "List menu\n" " menu -l\n" diff --git a/common/menu.c b/common/menu.c index 7620d9e545..d15f85a6b7 100644 --- a/common/menu.c +++ b/common/menu.c @@ -29,6 +29,7 @@ #include #include #include +#include #include static LIST_HEAD(menus); @@ -49,6 +50,7 @@ void menu_free(struct menu *m) return; free(m->name); free(m->display); + free(m->auto_display); list_for_each_entry_safe(me, tmp, &m->entries, list) menu_entry_free(me); @@ -187,6 +189,16 @@ int menu_set_selected(struct menu *m, int num) return 0; } +int menu_set_auto_select(struct menu *m, int delay) +{ + if (!m) + return -EINVAL; + + m->auto_select = delay; + + return 0; +} + static void print_menu(struct menu *m) { struct menu_entry *me; @@ -217,14 +229,54 @@ int menu_show(struct menu *m) { int ch; int escape = 0; + int countdown; + int auto_display_len = 16; + uint64_t start, second; if(!m || list_empty(&m->entries)) return -EINVAL; print_menu(m); + countdown = m->auto_select; + if (m->auto_select >= 0) { + gotoXY(m->nb_entries + 2, 3); + if (!m->auto_display) { + printf("Auto Select in"); + } else { + auto_display_len = strlen(m->auto_display); + printf(m->auto_display); + } + printf(" %2d", countdown--); + } + + start = get_time_ns(); + second = start; + while (m->auto_select > 0 && !is_timeout(start, m->auto_select * SECOND)) { + if (tstc()) { + m->auto_select = -1; + break; + } + + if (is_timeout(second, SECOND)) { + printf("\b\b%2d", countdown--); + second += SECOND; + } + } + + gotoXY(m->nb_entries + 2, 3); + printf("%*c", auto_display_len + 4, ' '); + + gotoXY(m->selected->num + 1, 3); + do { - ch = getc(); + if (m->auto_select >= 0) + ch = '\n'; + else + ch = getc(); + + m->auto_select = -1; + switch(ch) { case 0x1b: escape = 1; diff --git a/include/menu.h b/include/menu.h index 22bfc2301f..cc9d0af7fd 100644 --- a/include/menu.h +++ b/include/menu.h @@ -42,6 +42,9 @@ struct menu { char *name; char *display; + int auto_select; + char *auto_display; + struct list_head list; struct list_head entries; @@ -74,6 +77,7 @@ struct menu* menu_get_by_name(char *name); int menu_show(struct menu *m); int menu_set_selected_entry(struct menu *m, struct menu_entry* me); int menu_set_selected(struct menu *m, int num); +int menu_set_auto_select(struct menu *m, int delay); struct menu* menu_get_menus(void); /* -- cgit v1.2.3