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Diffstat (limited to 'common/menu.c')
-rw-r--r--common/menu.c44
1 files changed, 32 insertions, 12 deletions
diff --git a/common/menu.c b/common/menu.c
index 6b2a2db..64b461a 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);