(* FIXME: this module should probably be moved somewhere global so all applications can use it *)

MODULE OS;
    CONST WINDOW_STRUCT_SIZE = 36;

    EXTERN PROCEDURE new_window, destroy_window, draw_str_to_overlay, get_window_overlay_number,
        draw_widgets_to_window, draw_filled_rectangle_to_overlay, GetNextWindowEvent, DrawPixel,
        save_state_and_yield_task, start_dragging_window, handle_widget_click, fill_window, fill_overlay,
        set_window_flags, menu_update_event, menu_bar_click_event, close_menu, new_messagebox,
        launch_fxf_from_disk, get_boot_disk_id, string_to_int, set_tilemap, draw_tile_to_overlay,
        ryfs_get_file_list, copy_memory_bytes, IsRomDiskAvailable, end_current_task: INT;

    EXTERN PROCEDURE brk: INT;

    EXTERN PROCEDURE PortIn: INT;

    EXTERN EVENT_TYPE_MOUSE_CLICK,
        EVENT_TYPE_MOUSE_RELEASE,
        EVENT_TYPE_BUTTON_CLICK,
        EVENT_TYPE_MENU_BAR_CLICK,
        EVENT_TYPE_MENU_UPDATE,
        EVENT_TYPE_MENU_CLICK,
        EVENT_TYPE_MENU_ACK,
        WIDGET_TYPE_BUTTON: INT;

    EXTERN eventArgs: ARRAY 8 OF INT;

    TYPE Fox32OSButtonWidget = RECORD
        next, id, type, text, fgColor, bgColor: INT;
        width, height, x, y: SHORT;
    END;

    PROCEDURE Eep(ms: INT;); (* the furry version of sleep :3 *)
    VAR deadline: INT;
    BEGIN
        deadline := ms + PortIn(80000706H);
        WHILE PortIn(80000706H) <| deadline DO
            save_state_and_yield_task();
        END;
    END;

    PROCEDURE DrawWireframeBox(overlay, x, y, w, h, color: INT;);
    BEGIN
        draw_filled_rectangle_to_overlay(x, y, w, 1, color, overlay);
        draw_filled_rectangle_to_overlay(x, y, 1, h, color, overlay);
        draw_filled_rectangle_to_overlay(x + w - 1, y, 1, h, color, overlay);
        draw_filled_rectangle_to_overlay(x, y + h - 1, w, 1, color, overlay);
    END;
END.