X-Git-Url: https://git.danieliu.xyz/?p=taskasaur.git;a=blobdiff_plain;f=menu.c;h=777e33481993f9cb4d1d38641872e7645da79f0c;hp=f077fd2395209a52071cdc0aafc96cc9dcc1a8a3;hb=a5efc91e9cfa40607a2064b8662047788a246ab1;hpb=7cd288f609ab7d99e5fb5b8da07d2c1b6f32907d

diff --git a/menu.c b/menu.c
index f077fd2..777e334 100644
--- a/menu.c
+++ b/menu.c
@@ -70,6 +70,30 @@ get_menu_items(Menu* menu)
     return NULL;
 }
 
+int
+menu_driver(Menu* menu, MenuAction action)
+{
+
+    switch (action) {
+        case MENU_UP:
+            menu->selected_item = menu->selected_item-1 >= 0 ? menu->selected_item-1 : 0;
+            break;
+        case MENU_DOWN:
+            menu->selected_item = menu->selected_item+1 <= menu->menu_length-1 ? menu->selected_item+1 : menu->menu_length-1;
+            break;
+        case MENU_TOP:
+            menu->selected_item = 0;
+            break;
+        case MENU_BOTTOM:
+            menu->selected_item = menu->menu_length-1;
+            break;
+        default:
+            fprintf(stderr, "Invalid menu action");
+    }
+
+    return 0;
+}
+
 int
 render_menu(Menu* menu)
 {