glutChangeToSubMenu(3GLUT) GLUT glutChangeToSubMenu(3GLUT)

glutChangeToSubMenu - changes the specified menu item in the current menu into a sub-menu trigger.

#include <GLUT/glut.h>
void glutChangeToSubMenu(int entry, char *name, int menu);

Index into the menu items of the current menu (1 is the topmost menu item).
ASCII character string to display in the menu item to cascade the sub-menu from.
Identifier of the menu to cascade from this sub-menu menu item.

glutChangeToSubMenu changes the specified menu item in the current menu into a sub-menu trigger. The entry parameter determines which menu item should be changed, with one being the topmost item. entry must be between 1 and glutGet(GLUT_MENU_NUM_ITEMS) inclusive. The menu item to change does not have to be a sub-menu trigger already. The string name will be displayed for the newly changed sub-menu trigger. The menu identifier names the sub-menu to cascade from the newly added sub-menu trigger.

glutChangeToMenuEntry, glutAddSubMenu, glutRemoveMenuItem

Mark J. Kilgard (mjk@nvidia.com)

3.7 GLUT