ncursesw-morphos/doc/html/man/mitem_value.3x.html
Thomas E. Dickey 761e4f0825 ncurses 5.9 - patch 20130518
+ corrected ifdefs in test/testcurs.c to allow comparison of mouse
  interface versus pdcurses (cf: 20130316).
+ add pow() to configure-check for math library, needed since
  20121208 for test/hanoi (Debian #708056).
+ regenerated html manpages.
+ update doctype used for html documentation.
2013-05-19 00:22:02 +00:00

118 lines
4.7 KiB
HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
<!--
****************************************************************************
* Copyright (c) 1998-2006,2010 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: mitem_value.3x,v 1.10 2010/12/04 18:40:45 tom Exp @
-->
<HTML>
<HEAD>
<TITLE>mitem_value 3x</TITLE>
<link rev=made href="mailto:bug-ncurses@gnu.org">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</HEAD>
<BODY>
<H1>mitem_value 3x</H1>
<HR>
<PRE>
<!-- Manpage converted by man2html 3.0.1 -->
<STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG> <STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG>
</PRE>
<H2>NAME</H2><PRE>
<STRONG>mitem_value</STRONG> - set and get menu item values
</PRE>
<H2>SYNOPSIS</H2><PRE>
<STRONG>#include</STRONG> <STRONG>&lt;menu.h&gt;</STRONG>
int set_item_value(ITEM *item, bool value);
bool item_value(const ITEM *item);
</PRE>
<H2>DESCRIPTION</H2><PRE>
If you turn off the menu option <STRONG>O_ONEVALUE</STRONG> (e.g., with
<STRONG>set_menu_opts</STRONG> or <STRONG>menu_opts_off</STRONG>; see <STRONG><A HREF="menu_opts.3x.html">menu_opts(3x)</A></STRONG>), the
menu becomes multi-valued; that is, more than one item may
simultaneously be selected.
In a multi_valued menu, you can used <STRONG>set_item_value</STRONG> to
select the given menu item (second argument <STRONG>TRUE</STRONG>) or dese-
lect it (second argument <STRONG>FALSE</STRONG>).
</PRE>
<H2>RETURN VALUE</H2><PRE>
The function <STRONG>set_item_value</STRONG> returns one of the following:
<STRONG>E_OK</STRONG> The routine succeeded.
<STRONG>E_SYSTEM_ERROR</STRONG>
System error occurred (see <STRONG>errno</STRONG>).
<STRONG>E_REQUEST_DENIED</STRONG>
The menu driver could not process the request.
</PRE>
<H2>SEE ALSO</H2><PRE>
<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="menu.3x.html">menu(3x)</A></STRONG>.
</PRE>
<H2>NOTES</H2><PRE>
The header file <STRONG>&lt;menu.h&gt;</STRONG> automatically includes the header
file <STRONG>&lt;curses.h&gt;</STRONG>.
</PRE>
<H2>PORTABILITY</H2><PRE>
These routines emulate the System V menu library. They
were not supported on Version 7 or BSD versions.
</PRE>
<H2>AUTHORS</H2><PRE>
Juergen Pfeifer. Manual pages and adaptation for new
curses by Eric S. Raymond.
<STRONG><A HREF="mitem_value.3x.html">mitem_value(3x)</A></STRONG>
</PRE>
<HR>
<ADDRESS>
Man(1) output converted with
<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
</ADDRESS>
</BODY>
</HTML>