diff options
Diffstat (limited to 'common/menu.c')
-rw-r--r-- | common/menu.c | 44 |
1 files changed, 32 insertions, 12 deletions
diff --git a/common/menu.c b/common/menu.c index 6b2a2db3e0a..64b461abb49 100644 --- a/common/menu.c +++ b/common/menu.c @@ -47,6 +47,8 @@ struct menu { char *title; int prompt; void (*item_data_print)(void *); + char *(*item_choice)(void *); + void *item_choice_data; struct list_head items; }; @@ -174,7 +176,7 @@ static inline struct menu_item *menu_item_by_key(struct menu *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; @@ -204,18 +206,26 @@ static inline int menu_interactive_choice(struct menu *m, void **choice) menu_display(m); - readret = readline_into_buffer("Enter choice: ", cbuf, - m->timeout / 10); + if (!m->item_choice) { + readret = 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); - m->timeout = 0; + if (readret >= 0) { + choice_item = menu_item_by_key(m, cbuf); + if (!choice_item) + printf("%s not found\n", cbuf); + } else { + return menu_default_choice(m, choice); } - } else - return menu_default_choice(m, choice); + } else { + 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; @@ -348,11 +358,19 @@ int menu_item_add(struct menu *m, char *item_key, void *item_data) * 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 choosen 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; @@ -365,6 +383,8 @@ struct menu *menu_create(char *title, int timeout, int prompt, 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); |