+int
+render_item(Menu* menu, int item_index, int start_y)
+{
+ MenuItem* curitem;
+ curitem = menu->menu_items[item_index];
+
+ /* color selected item */
+ wattron(menu->sub_win, COLOR_PAIR(
+ (item_index == menu->selected_item && menu->focused == true) ?
+ TS_SELECTED : TS_NONSELECTED
+ ));
+ mvwprintw(menu->sub_win, start_y, 0, curitem->title);
+ wattroff(menu->sub_win, COLOR_PAIR(0));
+
+ /* display number of items */
+ if (strlen(curitem->description) > 0) {
+ mvwprintw(menu->sub_win, start_y+1, 0, curitem->description);
+ }
+
+ return item_height(curitem);
+}
+
+int
+item_height(MenuItem* menuitem)
+{
+ int lines;
+
+ lines = 1;
+ if (strlen(menuitem->description) > 0) {
+ lines += 1;
+ }
+
+ return lines;
+}
+
+int
+items_visible(Menu* menu, int offset)
+{
+ int maxheight;
+ int maxwidth; // unused
+
+ getmaxyx(menu->sub_win, maxheight, maxwidth);
+
+ int vis = 0;
+ int lines = 0;
+ for (int i = offset ; i < menu->menu_length; i++) {
+
+ lines += item_height(menu->menu_items[i]);
+ if (lines > maxheight) break;
+ vis += 1;
+
+ }
+
+ return vis;
+}
+
+int
+items_visible_rev(Menu* menu, int offset)
+{
+ int maxheight;
+ int maxwidth; // unused
+
+ getmaxyx(menu->sub_win, maxheight, maxwidth);
+
+ int vis = 0;
+ int lines = 0;
+ for (int i = offset; i > 0; i--) {
+
+ lines += item_height(menu->menu_items[i]);
+ if (lines > maxheight) break;
+ vis +=1;
+
+ }
+
+ return vis;
+}
+