debian man page for gui_menu_draw_menu

gui_menu_draw_menu(3alleg4)					  Allegro manual				       gui_menu_draw_menu(3alleg4)

NAME
       gui_menu_draw_menu, gui_menu_draw_menu_item - Hooks to modify the appearance of menus. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       extern void (*gui_menu_draw_menu)(int x, int y, int w, int h);

       extern void (*gui_menu_draw_menu_item)(MENU *m, int x, int y, int w,

       int h, int bar, int sel);

DESCRIPTION
       If set, these functions will be called whenever a menu needs to be drawn, so you can change how menus look.

       gui_menu_draw_menu() is passed the position and size of the menu. It should draw the background of the menu onto screen.

       gui_menu_draw_menu_item()  is  called once for each menu item that is to be drawn. bar will be set if the item is part of a top-level hori-
       zontal menu bar, and sel will be set if the menu item is selected. It should also draw onto screen.

SEE ALSO
Allegro 							   version 4.4.2				       gui_menu_draw_menu(3alleg4)