- /* draw outer menu (prob dont need this every render) */
- /* wclear(menu->menu_win); */
- wattron(menu->menu_win, COLOR_PAIR(
- (menu->focused == true) ?
- TS_MENU_SELECTED: TS_MENU_NONSELECTED
- ));
- mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
- wattroff(menu->menu_win, COLOR_PAIR(0));
-
- /* draw inner menu */
- wclear(menu->sub_win);
-
- int cur_line = 0;
- for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
-
- MenuItem* curitem;
- int wrapped_lines;
- char* wrapped_text;
-
- curitem = menu->menu_items[i];
-
- /* wrap text by inserting newlines (maxwidth-1 for newline char)*/
- wrapped_text = wrap_text(curitem->title, menu->max_width-1, &wrapped_lines);
-
- /* color selected item */
- wattron(menu->sub_win, COLOR_PAIR(
- (i == menu->selected_item && menu->focused == true) ?
- TS_SELECTED : TS_NONSELECTED
- ));
- mvwprintw(menu->sub_win, cur_line, 0, wrapped_text);
- wattroff(menu->sub_win, COLOR_PAIR(0));
-
- cur_line += wrapped_lines;
-
- /* display number of items */
- if (strlen(curitem->description) > 0) {
- mvwprintw(menu->sub_win, cur_line, 0, curitem->description);
- cur_line += 1;
- }
-
- free(wrapped_text);
+ wclear(menu->menu_win);
+
+ /* calculate scroll */
+ int visible;
+
+ visible = items_visible(menu, menu->scroll_offset);
+
+ if (menu->selected_item >= menu->scroll_offset+visible) {
+ menu->scroll_offset = clamp(
+ menu->selected_item-items_visible_rev(menu, menu->selected_item)+1,
+ 0,
+ floorzero(menu->menu_length-1)
+ );
+
+ } else if (menu->selected_item < menu->scroll_offset) {
+ menu->scroll_offset = clamp(
+ menu->selected_item,
+ 0,
+ floorzero(menu->menu_length-1)
+ );
+ }