90 lines
3 KiB
Groff
90 lines
3 KiB
Groff
.\" $NetBSD: menu_items.3,v 1.10 2012/06/30 09:25:55 jdf 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_ITEMS 3
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.Os
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.Sh NAME
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.Nm item_count ,
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.Nm menu_items ,
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.Nm set_menu_items
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.Nd attach items to menus or check correspondences
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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 int
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.Fn item_count "MENU *menu"
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.Ft ITEM **
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.Fn menu_items "MENU *menu"
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.Ft int
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.Fn set_menu_items "MENU *menu" "ITEM **items"
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.Sh DESCRIPTION
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The
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.Fn item_count
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.Fa menu
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function returns the number of items currently attached to the menu
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passed.
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The
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.Fn menu_items
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function returns a pointer to an array of item pointers that represent
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the menu items currently attached to the given menu.
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Apart from using
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.Fn new_menu
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(see
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.Xr menu_new 3 )
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menu items may be attached to a menu by calling
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.Fn set_menu_items
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any items currently attached to the menu will be detached and the NULL
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terminated array of new items will be attached to the menu.
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.Sh RETURN VALUES
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Any function returning a string pointer will return NULL if an error
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occurs.
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Functions returning an integer will return one of the following:
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.Pp
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.Bl -tag -width E_CONNECTED -compact
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.It Er E_OK
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The function was successful.
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.It Er E_POSTED
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The menu is already posted.
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.It Er E_CONNECTED
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An item was already connected to a menu.
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.El
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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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