32a993af1e
* Fixed problem with highlight bar on inverse menus. * Fixed libmenu crashing when posting a menu without sub window set. * Fixed man page glitches.
95 lines
3.1 KiB
Groff
95 lines
3.1 KiB
Groff
.\" $NetBSD: menu_item_current.3,v 1.3 2000/04/20 12:17:57 blymn Exp $
|
|
.\"
|
|
.\" Copyright (c) 1999
|
|
.\" Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au
|
|
.\"
|
|
.\" This code is donated to The NetBSD Foundation by the author.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. The name of the Author may not be used to endorse or promote
|
|
.\" products derived from this software without specific prior written
|
|
.\" permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.Dd September, 1999
|
|
.Dt MENU_ITEM_CURRENT 3
|
|
.Os BSD 4
|
|
.Sh NAME
|
|
.Nm current_item ,
|
|
.Nm item_index ,
|
|
.Nm set_current_item ,
|
|
.Nm set_top_row
|
|
.Nd menu library
|
|
.Sh LIBRARY
|
|
.Lb libmenu
|
|
.Sh SYNOPSIS
|
|
.Fd #include <menu.h>
|
|
.Ft ITEM *
|
|
.Fn current_item "MENU *menu"
|
|
.Ft int
|
|
.Fn item_index "ITEM *item"
|
|
.Ft int
|
|
.Fn set_current_item "MENU *menu" "ITEM *item"
|
|
.Ft int
|
|
.Fn set_top_row "MENU *menu" "int row"
|
|
.Ft int
|
|
.Fn top_row "MENU *menu"
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Fn current_item
|
|
returns a pointer to the current menu item. The
|
|
.Fn set_current_item
|
|
can be used to set this to the item give. The
|
|
.Fn item_index
|
|
function returns the index number in the array of items for the item
|
|
pointed to by the
|
|
.Fa item
|
|
parameter. The
|
|
.Fn set_top_row
|
|
function sets the top row of the menu displayed to be the row given.
|
|
The current item becomes the leftmost item of the top row. The
|
|
.Fn top_row
|
|
call returns the row number that is currently at the top of the
|
|
displayed menu.
|
|
.Sh RETURN VALUES
|
|
.Fn current_item
|
|
returns NULL if no items are attached to the menu.
|
|
.Pp
|
|
.ta 20
|
|
.nf
|
|
E_OK The function was successful
|
|
E_BAD_ARGUMENT One or more of the arguments passed to the function
|
|
was incorrect.
|
|
E_BAD_STATE The function was called from within an initialisation
|
|
or termination routine.
|
|
E_NOT_CONNECTED The item is not connected to a menu.
|
|
.fi
|
|
.Sh SEE ALSO
|
|
.Xr curses 3 ,
|
|
.Xr menus 3
|
|
.Sh NOTES
|
|
The header
|
|
.Xr <menus.h>
|
|
automatically includes both
|
|
.Xr <curses.h>
|
|
and
|
|
.Xr <eti.h>
|