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glutCreateMenu(3GLUT)		     GLUT		 glutCreateMenu(3GLUT)

NAME
       glutCreateMenu -	creates	a new pop-up menu.

SYNTAX
       int glutCreateMenu(void (*func)(int value));

ARGUMENTS
       func	 The callback function for the menu that is called when	a menu
		 entry from the	menu is	selected.  The	value  passed  to  the
		 callback is determined	by the value for the selected menu en-
		 try.

DESCRIPTION
       glutCreateMenu creates a	new pop-up menu	and returns a unique small in-
       teger identifier. The range of allocated	identifiers starts at one. The
       menu identifier range is	separate from the window identifier range. Im-
       plicitly,  the current menu is set to the newly created menu. This menu
       identifier can be used when calling glutSetMenu.

       When the	menu callback is called	because	a menu entry is	 selected  for
       the  menu, the current menu will	be implicitly set to the menu with the
       selected	entry before the callback is made.

EXAMPLE
       Here is a quick example of how to create	a GLUT	popup  menu  with  two
       submenus	and attach it to the right button of the current window:

	 int submenu1, submenu2;

	 submenu1 = glutCreateMenu(selectMessage);
	 glutAddMenuEntry("abc", 1);
	 glutAddMenuEntry("ABC", 2);
	 submenu2 = glutCreateMenu(selectColor);
	 glutAddMenuEntry("Green", 1);
	 glutAddMenuEntry("Red", 2);
	 glutAddMenuEntry("White", 3);
	 glutCreateMenu(selectFont);
	 glutAddMenuEntry("9 by	15", 0);
	 glutAddMenuEntry("Times Roman 10", 1);
	 glutAddMenuEntry("Times Roman 24", 2);
	 glutAddSubMenu("Messages", submenu1);
	 glutAddSubMenu("Color", submenu2);
	 glutAttachMenu(GLUT_RIGHT_BUTTON);

X IMPLEMENTATION NOTES
       If  available, GLUT for X will take advantage of	overlay	planes for im-
       plementing pop-up menus.	The use	of overlay planes can  eliminate  dis-
       play  callbacks	when  pop-up  menus  are deactivated. The SERVER_OVER-
       LAY_VISUALS convention is used to  determine  if	 overlay  visuals  are
       available.

SEE ALSO
       glutCreateWindow, glutDestroyMenu, glutSetMenu, glutAttachMenu

AUTHOR
       Mark J. Kilgard (mjk@nvidia.com)

GLUT				      3.7		 glutCreateMenu(3GLUT)

NAME | SYNTAX | ARGUMENTS | DESCRIPTION | EXAMPLE | X IMPLEMENTATION NOTES | SEE ALSO | AUTHOR

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