86 lines
4.0 KiB
Groff
86 lines
4.0 KiB
Groff
'\" t
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.\" $OpenBSD: menu_mark.3,v 1.9 2023/10/17 09:52:10 nicm Exp $
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.\"
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.\"***************************************************************************
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.\" Copyright 2018-2022,2023 Thomas E. Dickey *
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.\" Copyright 1998-2010,2015 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: menu_mark.3,v 1.9 2023/10/17 09:52:10 nicm Exp $
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.TH menu_mark 3 2023-07-01 "ncurses 6.4" "Library calls"
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.SH NAME
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\fBset_menu_mark\fP,
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\fBmenu_mark\fP \- get and set the menu mark string
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.SH SYNOPSIS
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\fB#include <menu.h>\fP
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.sp
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\fBint set_menu_mark(MENU *\fImenu\fB, const char *\fImark\fB);\fR
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.br
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\fBconst char *menu_mark(const MENU *\fImenu\fB);\fR
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.SH DESCRIPTION
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In order to make menu selections visible on older terminals without
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highlighting or color capability, the menu library marks selected items
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in a menu with a prefix string.
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.PP
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The function \fBset_menu_mark\fP sets the mark string for the given menu.
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Calling \fBset_menu_mark\fP with a null menu item will abolish the mark string.
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Note that changing the length of the mark string for a menu while the
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menu is posted is likely to produce unhelpful behavior.
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.PP
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The default string is "\-" (a dash).
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Calling \fBset_menu_mark\fP with
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a non-\fBNULL\fP menu argument will change this default.
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.PP
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The function \fBmenu_mark\fP returns the menu's mark string (or \fBNULL\fP if
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there is none).
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.SH RETURN VALUE
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The function \fBmenu_mark\fP returns a pointer (which may be \fBNULL\fP).
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It does not set \fBerrno\fP.
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.PP
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The function \fBset_menu_mark\fP may return the following error codes:
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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_BAD_ARGUMENT
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Routine detected an incorrect or out-of-range argument.
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.TP 5
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.B E_SYSTEM_ERROR
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System error occurred (see \fBerrno\fP(3)).
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.SH SEE ALSO
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\fBcurses\fP(3), \fBmenu\fP(3).
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.SH NOTES
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The header file \fB<menu.h>\fP automatically includes the header file
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\fB<curses.h>\fP.
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.SH PORTABILITY
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These routines emulate the System V menu library.
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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.
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Manual pages and adaptation for new curses by Eric S. Raymond.
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