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'\" t
.\"***************************************************************************
.\" Copyright (c) 1998-2002,2006 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" "Software"), to deal in the Software without restriction, including *
.\" without limitation the rights to use, copy, modify, merge, publish, *
.\" distribute, distribute with modifications, sublicense, and/or sell *
.\" copies of the Software, and to permit persons to whom the Software is *
.\" furnished to do so, subject to the following conditions: *
.\" *
.\" The above copyright notice and this permission notice shall be included *
.\" in all copies or substantial portions of the Software. *
.\" *
.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
.\" *
.\" Except as contained in this notice, the name(s) of the above copyright *
.\" holders shall not be used in advertising or otherwise to promote the *
.\" sale, use or other dealings in this Software without prior written *
.\" authorization. *
.\"***************************************************************************
.\"
.\" $Id: menu.3x,v 1.19 2006/11/04 18:38:29 tom Exp $
.TH menu 3X ""
.SH NAME
\fBmenu\fR - curses extension for programming menus
.SH SYNOPSIS
\fB#include <menu.h>\fR
.br
.SH DESCRIPTION
The \fBmenu\fR library provides terminal-independent facilities for composing
menu systems on character-cell terminals. The library includes: item routines,
which create and modify menu items; and menu routines, which group items into
menus, display menus on the screen, and handle interaction with the user.
.PP
The \fBmenu\fR library uses the \fBcurses\fR libraries, and a curses
initialization routine such as \fBinitscr\fR must be called before using any of
these functions. To use the \fBmenu\fR library, link with the options
\fB-lmenu -lcurses\fR.
.
.SS Current Default Values for Item Attributes
.
The \fBmenu\fR library maintains a default value for item attributes. You can
get or set this default by calling the appropriate \fBget_\fR or \fBset_\fR
routine with a \fBNULL\fR item pointer. Changing this default with a
\fBset_\fR function affects future item creations, but does not change the
rendering of items already created.
.
.SS Routine Name Index
.
The following table lists each \fBmenu\fR routine and the name of
the manual page on which it is described.
.
.TS
l l .
\fBcurses\fR Routine Name Manual Page Name
=
current_item \fBmitem_current\fR(3X)
free_item \fBmitem_new\fR(3X)
free_menu \fBmenu_new\fR(3X)
item_count \fBmenu_items\fR(3X)
item_description \fBmitem_name\fR(3X)
item_index \fBmitem_current\fR(3X)
item_init \fBmenu_hook\fR(3X)
item_name \fBmitem_name\fR(3X)
item_opts \fBmitem_opts\fR(3X)
item_opts_off \fBmitem_opts\fR(3X)
item_opts_on \fBmitem_opts\fR(3X)
item_term \fBmenu_hook\fR(3X)
item_userptr \fBmitem_userptr\fR(3X)
item_value \fBmitem_value\fR(3X)
item_visible \fBmitem_visible\fR(3X)
menu_back \fBmenu_attributes\fR(3X)
menu_driver \fBmenu_driver\fR(3X)
menu_fore \fBmenu_attributes\fR(3X)
menu_format \fBmenu_format\fR(3X)
menu_grey \fBmenu_attributes\fR(3X)
menu_init \fBmenu_hook\fR(3X)
menu_items \fBmenu_items\fR(3X)
menu_mark \fBmenu_mark\fR(3X)
menu_opts \fBmenu_opts\fR(3X)
menu_opts_off \fBmenu_opts\fR(3X)
menu_opts_on \fBmenu_opts\fR(3X)
menu_pad \fBmenu_attributes\fR(3X)
menu_pattern \fBmenu_pattern\fR(3X)
menu_request_by_name \fBmenu_requestname\fR(3X)
menu_request_name \fBmenu_requestname\fR(3X)
menu_spacing \fBmenu_spacing\fR(3X)
menu_sub \fBmenu_win\fR(3X)
menu_term \fBmenu_hook\fR(3X)
menu_userptr \fBmenu_userptr\fR(3X)
menu_win \fBmenu_win\fR(3X)
new_item \fBmitem_new\fR(3X)
new_menu \fBmenu_new\fR(3X)
pos_menu_cursor \fBmenu_cursor\fR(3X)
post_menu \fBmenu_post\fR(3X)
scale_menu \fBmenu_win\fR(3X)
set_current_item \fBmitem_current\fR(3X)
set_item_init \fBmenu_hook\fR(3X)
set_item_opts \fBmitem_opts\fR(3X)
set_item_term \fBmenu_hook\fR(3X)
set_item_userptr \fBmitem_userptr\fR(3X)
set_item_value \fBmitem_value\fR(3X)
set_menu_back \fBmenu_attributes\fR(3X)
set_menu_fore \fBmenu_attributes\fR(3X)
set_menu_format \fBmenu_format\fR(3X)
set_menu_grey \fBmenu_attributes\fR(3X)
set_menu_init \fBmenu_hook\fR(3X)
set_menu_items \fBmenu_items\fR(3X)
set_menu_mark \fBmenu_mark\fR(3X)
set_menu_opts \fBmitem_opts\fR(3X)
set_menu_pad \fBmenu_attributes\fR(3X)
set_menu_pattern \fBmenu_pattern\fR(3X)
set_menu_spacing \fBmenu_spacing\fR(3X)
set_menu_sub \fBmenu_win\fR(3X)
set_menu_term \fBmenu_hook\fR(3X)
set_menu_userptr \fBmenu_userptr\fR(3X)
set_menu_win \fBmenu_win\fR(3X)
set_top_row \fBmitem_current\fR(3X)
top_row \fBmitem_current\fR(3X)
unpost_menu \fBmenu_post\fR(3X)
.TE
.SH RETURN VALUE
Routines that return pointers return \fBNULL\fR on error. Routines that return
an integer return one of the following error codes:
.TP 5
.B E_OK
The routine succeeded.
.TP 5
.B E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
.TP 5
.B E_BAD_STATE
Routine was called from an initialization or termination function.
.TP 5
.B E_NO_MATCH
Character failed to match.
.TP 5
.B E_NO_ROOM
Menu is too large for its window.
.TP 5
.B E_NOT_CONNECTED
No items are connected to the menu.
.TP 5
.B E_NOT_POSTED
The menu has not been posted.
.TP 5
.B E_NOT_SELECTABLE
The designated item cannot be selected.
.TP 5
.B E_POSTED
The menu is already posted.
.TP 5
.B E_REQUEST_DENIED
The menu driver could not process the request.
.TP 5
.B E_SYSTEM_ERROR
System error occurred (see \fBerrno\fR).
.TP 5
.B E_UNKNOWN_COMMAND
The menu driver code saw an unknown request code.
.SH SEE ALSO
\fBcurses\fR(3X) and related pages whose names begin "menu_" for detailed
descriptions of the entry points.
.SH NOTES
The header file \fB<menu.h>\fR automatically includes the header files
\fB<curses.h>\fR and \fB<eti.h>\fR.
.PP
In your library list, libmenu.a should be before libncurses.a; that is,
you want to say `-lmenu -lncurses', not the other way around (which would
usually give a link-error).
.SH PORTABILITY
These routines emulate the System V menu library. They were not supported on
Version 7 or BSD versions.
.SH AUTHORS
Juergen Pfeifer. Manual pages and adaptation for ncurses by Eric
S. Raymond.
.SH SEE ALSO
This describes \fBncurses\fR
version @NCURSES_MAJOR@.@NCURSES_MINOR@ (patch @NCURSES_PATCH@).
.\"#
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