NetBSD/lib/libcurses/curses_standout.3

109 lines
3.1 KiB
Groff

.\" $NetBSD: curses_standout.3,v 1.7 2016/11/29 17:33:48 christos Exp $
.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Julian Coleman.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd November 29, 2016
.Dt CURSES_STANDOUT 3
.Os
.Sh NAME
.Nm curses_standout ,
.Nm standout ,
.Nm standend ,
.Nm wstandout ,
.Nm wstandend
.Nd curses standout attribute manipulation routines
.Sh LIBRARY
.Lb libcurses
.Sh SYNOPSIS
.In curses.h
.Ft int
.Fn standout void
.Ft int
.Fn standend void
.Ft int
.Fo wstandout
.Fa "WINDOW *win"
.Fc
.Ft int
.Fo wstandend
.Fa "WINDOW *win"
.Fc
.Sh DESCRIPTION
These functions manipulate the standout attribute on
.Dv stdscr
or on the specified window.
.Pp
The
.Fn standout
function turns on the standout attribute
on
.Dv stdscr .
The
.Fn standend
function turns off all attributes
on
.Dv stdscr .
.Pp
The
.Fn wstandout
and
.Fn wstandend
functions are equivalent to
.Fn standout
and
.Fn standend ,
respectively, excepting that the attribute is manipulated on the
window specified by
.Fa win .
.Pp
The
.Fn standout
and
.Fn standend
functions are equivalent to
.Fn attron A_STANDOUT
and
.Fn attroff A_STANDOUT ,
respectively.
.Sh RETURN VALUES
These functions always return 1.
.Sh SEE ALSO
.Xr curses_attributes 3 ,
.Xr curses_underscore 3
.Sh STANDARDS
The
.Nx
Curses library complies with the X/Open Curses specification, part of the
Single Unix Specification.
.Sh HISTORY
The Curses package appeared in
.Bx 4.0 .
.Sh BUGS
On modern terminals that support other attributes, there is no difference
between characters displayed with the standout attribute set and those
displayed with one of the other attributes set (usually bold).
It is best to avoid using standout if the terminal supports other attributes.