1.\" $NetBSD: menu_opts.3,v 1.11 2019/07/01 07:16:25 wiz Exp $ 2.\" 3.\" Copyright (c) 1999 4.\" Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au 5.\" 6.\" This code is donated to The NetBSD Foundation by the author. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. The name of the Author may not be used to endorse or promote 17.\" products derived from this software without specific prior written 18.\" permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.Dd June 30, 2019 33.Dt MENU_OPTS 3 34.Os 35.Sh NAME 36.Nm menu_opts , 37.Nm menu_opts_off , 38.Nm menu_opts_on , 39.Nm set_menu_opts 40.Nd get or modify options for a menu 41.Sh LIBRARY 42.Lb libmenu 43.Sh SYNOPSIS 44.In menu.h 45.Ft OPTIONS 46.Fn menu_opts "MENU *menu" 47.Ft int 48.Fn menu_opts_off "MENU *menu" "OPTIONS opts" 49.Ft int 50.Fn menu_opts_on "MENU *menu" "OPTIONS opts" 51.Ft int 52.Fn set_menu_opts "MENU *menu" "OPTIONS opts" 53.Sh DESCRIPTION 54The 55.Fn menu_opts 56function returns the current options set for the menu given. 57The 58.Fn menu_opts_off 59function turns off the menu options given by the opts parameter for 60the menu. 61The 62.Fn menu_opts_on 63function turns on the menu options given by the opts parameter for the 64menu passed. 65The 66.Fn set_menu_opts 67sets the menu options to the value given in opts. 68Options may be logigally ORed together. 69Valid options are: 70.Bl -column -offset indent ".Sy Option" ".Sy Meaning" 71.It Sy Option Ta Sy Meaning 72.It Dv O_ONEVALUE Ta The menu may only have one item selected at a time. 73The menu mark will indicate the current item. 74If this option is off then multiple menu items may be selected and 75the menu mark will be displayed on each selected item. 76.El 77.Sh RETURN VALUES 78The functions return one of the following error values: 79.Pp 80.Bl -tag -width E_BAD_ARGUMENT -compact 81.It Er E_OK 82The function was successful. 83.It Er E_BAD_ARGUMENT 84One or more of the arguments passed to the function was incorrect. 85.It Er E_POSTED 86The menu is already posted. 87.El 88.Sh SEE ALSO 89.Xr curses 3 , 90.Xr menus 3 91.Sh NOTES 92The header 93.Aq Pa menu.h 94automatically includes both 95.Aq Pa curses.h 96and 97.Aq Pa eti.h . 98