#define MENU_PAD_LEFT 2
#define MENU_PAD_RIGHT 1
+#define MAX_CONTENTS_LENGTH 256
+
typedef struct MenuItem {
char* contents;
} MenuItem;
int swap_item(Menu* menu, int src_index, int dest_index);
int delete_item(Menu* menu, int index);
+int insert_item(Menu* menu, int index);
MenuItem*
create_menuitem(char* contents)
if (index < 0 || index > menu->menu_length-1) return -1;
int temp_size = (menu->menu_length-index-1)*sizeof(MenuItem*);
- MenuItem* temp[temp_size];
/* might break if last item? */
- memcpy(temp, menu->menu_items[index+1], temp_size);
- memcpy(menu->menu_items[index], temp, temp_size);
+ memmove(menu->menu_items[index], menu->menu_items[index+1], temp_size);
menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
return 0;
}
+int
+insert_item(Menu* menu, int index)
+{ // note, this func does not validate index
+
+ char* new_content;
+ MenuItem* new_menuitem;
+
+ // remember null char
+ /* new_content = malloc((MAX_CONTENTS_LENGTH+1)*sizeof(char)); */
+ new_content = strdup("lmao");
+
+ new_menuitem = create_menuitem(new_content);
+
+ /* resize array and insert */
+ menu->menu_items = realloc(menu->menu_items, (menu->menu_length+2)*sizeof(MenuItem*));
+
+ for (int i = menu->menu_length; i > index; i--) {
+ menu->menu_items[i] = menu->menu_items[i-1];
+ }
+
+ menu->menu_items[index] = new_menuitem;
+ menu->menu_items[menu->menu_length+1] = 0; // remember null at end
+ menu->menu_length += 1;
+
+ /* move cursor pos */
+ menu->selected_item = index;
+
+ return 0;
+}
+
int
menu_driver(Menu* menu, MenuAction action)
{
wclear(menu->sub_win);
break;
+ case MENU_APPEND:
+ /* curs_on(); */
+ /* curs_off(); */
+ /* insert_item(menu, menu->selected_item); */
+ insert_item(menu, menu->selected_item);
+ wclear(menu->sub_win);
+ break;
+
default: // This is here for debug, disable later
fprintf(stderr, "Invalid menu action");
}