1998-03-01 12:21:12 +08:00
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.'" $Id: mitem_value.3x,v 1.3 1997/12/06 22:07:49 tom Exp $
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1997-05-15 12:00:00 +08:00
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.TH mitem_value 3X ""
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.SH NAME
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\fBmitem_value\fR - set and get menu item values
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.SH SYNOPSIS
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\fB#include <menu.h>\fR
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.br
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int set_item_value(ITEM *item, bool value);
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.br
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bool item_value(const ITEM *item);
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.br
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.SH DESCRIPTION
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If you turn off the menu option \fBO_ONEVALUE\fR (e.g., with
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1998-03-01 12:21:12 +08:00
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\fBset_menu_opts\fR or \fBmenu_opts_off\fR; see \fBmenu_opts\fR(3X)), the menu
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1997-05-15 12:00:00 +08:00
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becomes multi-valued; that is, more than one item may simultaneously be
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selected.
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In a multi_valued menu, you can used \fBset_item_value\fR to select the
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given menu item (second argument \fBTRUE\fR) or deselect it (second argument
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\fBFALSE\fR).
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.SH RETURN VALUE
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The function \fBset_item_value\fR returns one of the following:
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.TP 5
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\fBE_OK\fR
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The routine succeeded.
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.TP 5
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\fBE_SYSTEM_ERROR\fR
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System error occurred (see \fBerrno\fR).
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.TP 5
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\fBE_REQUEST_DENIED\fR
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The menu driver could not process the request.
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.SH SEE ALSO
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\fBcurses\fR(3X), \fBmenu\fR(3X).
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.SH NOTES
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The header file \fB<menu.h>\fR automatically includes the header file
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\fB<curses.h>\fR.
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.SH PORTABILITY
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These routines emulate the System V menu library. They were not supported on
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Version 7 or BSD versions.
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.SH AUTHORS
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Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
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S. Raymond.
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.\"#
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.\"# The following sets edit modes for GNU EMACS
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.\"# Local Variables:
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.\"# mode:nroff
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.\"# fill-column:79
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.\"# End:
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