77 lines
3.5 KiB
Plaintext
77 lines
3.5 KiB
Plaintext
.\"***************************************************************************
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.\" Copyright (c) 1998-2002,2006 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: mitem_value.3x,v 1.8 2006/11/04 17:12:00 tom Exp $
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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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\fBset_menu_opts\fR or \fBmenu_opts_off\fR; see \fBmenu_opts\fR(3X)), the menu
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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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.PP
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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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.B E_OK
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The routine succeeded.
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.TP 5
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.B E_SYSTEM_ERROR
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System error occurred (see \fBerrno\fR).
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.TP 5
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.B E_REQUEST_DENIED
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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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