104 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Groff
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Groff
		
	
	
	
	
	
| .\"	$NetBSD: menu_hook.3,v 1.8 2003/04/16 13:35:10 wiz Exp $
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| .\"
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| .\" Copyright (c) 1999
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| .\"	Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au
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| .\"
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| .\" This code is donated to The NetBSD Foundation by the author.
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| .\"
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| .\" Redistribution and use in source and binary forms, with or without
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| .\" modification, are permitted provided that the following conditions
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| .\" are met:
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| .\" 1. Redistributions of source code must retain the above copyright
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| .\"    notice, this list of conditions and the following disclaimer.
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| .\" 2. Redistributions in binary form must reproduce the above copyright
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| .\"    notice, this list of conditions and the following disclaimer in the
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| .\"    documentation and/or other materials provided with the distribution.
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| .\" 3. The name of the Author may not be used to endorse or promote
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| .\"    products derived from this software without specific prior written
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| .\"    permission.
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| .\"
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| .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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| .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE
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| .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| .\" SUCH DAMAGE.
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| .\"
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| .Dd September 10, 1999
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| .Dt MENU_HOOK 3
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| .Os
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| .Sh NAME
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| .Nm item_init ,
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| .Nm item_term ,
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| .Nm menu_init ,
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| .Nm menu_term ,
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| .Nm set_item_init ,
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| .Nm set_item_term ,
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| .Nm set_menu_init ,
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| .Nm set_menu_term
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| .Nd get or set handler functions for menu post/unpost or item change
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| .Sh LIBRARY
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| .Lb libmenu
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| .Sh SYNOPSIS
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| .In menu.h
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| .Ft void (*hook)()
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| .Fn item_init "MENU *menu"
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| .Ft void (*hook)()
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| .Fn item_term "MENU *menu"
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| .Ft void (*hook)()
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| .Fn menu_init "MENU *menu"
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| .Ft void (*hook)()
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| .Fn menu_term "MENU *menu"
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| .Ft int
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| .Fn set_item_init "MENU *menu" "void (*hook)())"
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| .Ft int
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| .Fn set_item_term "MENU *menu" "void (*hook)())"
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| .Ft int
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| .Fn set_menu_init "MENU *menu" "void (*hook)())"
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| .Ft int
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| .Fn set_menu_term "MENU *menu" "void (*hook)())"
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| .Sh DESCRIPTION
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| The
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| .Fn item_init
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| function returns a pointer to the function that will be called
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| whenever the menu is posted and also just after the current item
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| changes.
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| This is set by the
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| .Fn set_item_init
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| call.
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| The
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| .Fn item_term
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| function returns a pointer to the function that will be called before
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| the menu is unposted and just before the current item changes, this
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| pointer is set by the
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| .Fn set_item_term
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| call.
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| The
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| .Fn menu_init
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| functions returns a pointer to the function that will be called just
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| before the menu is posted to the screen.
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| This pointer is set by the
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| .Fn set_menu_init
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| function call.
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| The
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| .Fn menu_term
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| function returns a pointer to the function that will be called just
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| after the menu has been unposted, this pointer is set by the
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| .Fn set_menu_term
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| function.
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| .Sh SEE ALSO
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| .Xr curses 3 ,
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| .Xr menus 3
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| .Sh NOTES
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| The header
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| .Pa \*[Lt]menu.h\*[Gt]
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| automatically includes both
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| .Pa \*[Lt]curses.h\*[Gt]
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| and
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| .Pa \*[Lt]eti.h\*[Gt] .
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