.\"***************************************************************************
-.\" Copyright (c) 1998,2000 Free Software Foundation, Inc. *
+.\" Copyright 2018-2019,2020 Thomas E. Dickey *
+.\" Copyright 1998-2007,2010 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 *
.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: curs_border.3x,v 1.15 2002/02/16 22:21:47 tom Exp $
+.\" $Id: curs_border.3x,v 1.27 2020/10/18 00:33:06 tom Exp $
.TH curs_border 3X ""
+.ie \n(.g .ds `` \(lq
+.el .ds `` ``
+.ie \n(.g .ds '' \(rq
+.el .ds '' ''
+.na
+.hy 0
.SH NAME
-\fBborder\fR, \fBwborder\fR, \fBbox\fR,
-\fBhline\fR, \fBwhline\fR,
-\fBvline\fR, \fBwvline\fR,
-\fBmvhline\fR, \fBmvwhline\fR,
-\fBmvvline\fR, \fBmvwvline\fR - create \fBcurses\fR borders, horizontal and vertical lines
+\fBborder\fR,
+\fBwborder\fR,
+\fBbox\fR,
+\fBhline\fR,
+\fBwhline\fR,
+\fBvline\fR,
+\fBwvline\fR,
+\fBmvhline\fR,
+\fBmvwhline\fR,
+\fBmvvline\fR,
+\fBmvwvline\fR \- create \fBcurses\fR borders, horizontal and vertical lines
+.ad
+.hy
.SH SYNOPSIS
\fB#include <curses.h>\fR
+.sp
+\fBint border(chtype \fP\fIls\fP\fB, chtype \fP\fIrs\fP\fB, chtype \fP\fIts\fP\fB, chtype \fP\fIbs\fP\fB,\fR
+ \fBchtype \fP\fItl\fP\fB, chtype \fP\fItr\fP\fB, chtype \fP\fIbl\fP\fB, chtype \fP\fIbr\fP\fB);\fR
.br
-\fBint border(chtype ls, chtype rs, chtype ts, chtype bs,\fR
- \fBchtype tl, chtype tr, chtype bl, chtype br);\fR
+\fBint wborder(WINDOW *\fP\fIwin\fP\fB, chtype \fP\fIls\fP\fB, chtype \fP\fIrs\fP\fB,\fR
+ \fBchtype \fP\fIts\fP\fB, chtype \fP\fIbs\fP\fB, chtype \fP\fItl\fP\fB, chtype \fP\fItr\fP\fB,\fR
+ \fBchtype \fP\fIbl\fP\fB, chtype \fP\fIbr\fP\fB);\fR
+.sp
+\fBint box(WINDOW *\fP\fIwin\fP\fB, chtype \fP\fIverch\fP\fB, chtype \fP\fIhorch\fP\fB);\fR
+.sp
+\fBint hline(chtype \fP\fIch\fP\fB, int \fP\fIn\fP\fB);\fR
.br
-\fBint wborder(WINDOW *win, chtype ls, chtype rs,\fR
- \fBchtype ts, chtype bs, chtype tl, chtype tr,\fR
- \fBchtype bl, chtype br);\fR
+\fBint whline(WINDOW *\fP\fIwin\fP\fB, chtype \fP\fIch\fP\fB, int \fP\fIn\fP\fB);\fR
.br
-\fBint box(WINDOW *win, chtype verch, chtype horch);\fR
+\fBint vline(chtype \fP\fIch\fP\fB, int \fP\fIn\fP\fB);\fR
.br
-\fBint hline(chtype ch, int n);\fR
+\fBint wvline(WINDOW *\fP\fIwin\fP\fB, chtype \fP\fIch\fP\fB, int \fP\fIn\fP\fB);\fR
+.sp
+\fBint mvhline(int \fP\fIy\fP\fB, int \fP\fIx\fP\fB, chtype \fP\fIch\fP\fB, int \fP\fIn\fP\fB);\fR
.br
-\fBint whline(WINDOW *win, chtype ch, int n);\fR
+\fBint mvwhline(WINDOW *\fP\fIwin\fP\fB, int \fP\fIy\fP\fB, int \fP\fIx\fP\fB, chtype \fP\fIch\fP\fB, int \fP\fIn\fP\fB);\fR
.br
-\fBint vline(chtype ch, int n);\fR
+\fBint mvvline(int \fP\fIy\fP\fB, int \fP\fIx\fP\fB, chtype \fP\fIch\fP\fB, int \fP\fIn\fP\fB);\fR
.br
-\fBint wvline(WINDOW *win, chtype ch, int n);\fR
-.br
-\fBmvhline(int y, int x, chtype ch, int n);\fR
-.br
-\fBmvwhline(WINDOW *, int y, int x, chtype ch, int n);\fR
-.br
-\fBint mvvline(int y, int x, chtype ch, int n);\fR
-.br
-\fBint mvwvline(WINDOW *, int y, int x, chtype ch, int n);\fR
+\fBint mvwvline(WINDOW *\fP\fIwin\fP\fB, int \fP\fIy\fP\fB, int \fP\fIx\fP\fB, chtype \fP\fIch\fP\fB, int \fP\fIn\fP\fB);\fR
.br
.SH DESCRIPTION
The \fBborder\fR, \fBwborder\fR and \fBbox\fR routines
draw a box around the edges of a window.
Other than the window, each argument is a character with attributes:
+.sp
.RS
-\fIls\fR - left side,
+\fIls\fR \- left side,
.br
-\fIrs\fR - right side,
+\fIrs\fR \- right side,
.br
-\fIts\fR - top side,
+\fIts\fR \- top side,
.br
-\fIbs\fR - bottom side,
+\fIbs\fR \- bottom side,
.br
-\fItl\fR - top left-hand corner,
+\fItl\fR \- top left-hand corner,
.br
-\fItr\fR - top right-hand corner,
+\fItr\fR \- top right-hand corner,
.br
-\fIbl\fR - bottom left-hand corner, and
+\fIbl\fR \- bottom left-hand corner, and
.br
-\fIbr\fR - bottom right-hand corner.
+\fIbr\fR \- bottom right-hand corner.
.RE
+.PP
If any of these arguments is zero, then the corresponding
default values (defined in \fBcurses.h\fR) are used instead:
+.sp
.RS
\fBACS_VLINE\fR,
.br
.br
\fBACS_LRCORNER\fR.
.RE
-
+.PP
\fBbox(\fR\fIwin\fR\fB, \fR\fIverch\fR\fB, \fR\fIhorch\fR\fB)\fR is a shorthand
for the following call: \fBwborder(\fR\fIwin\fR\fB,\fR \fIverch\fR\fB,\fR
\fIverch\fR\fB,\fR \fIhorch\fR\fB,\fR \fIhorch\fR\fB, 0, 0, 0, 0)\fR.
-
+.PP
The \fBhline\fR and \fBwhline\fR functions draw a horizontal (left to right)
-line using \fIch\fR starting at the current cursor position in the window. The
-current cursor position is not changed. The line is at most \fIn\fR characters
+line using \fIch\fR starting at the current cursor position in the window.
+The
+current cursor position is not changed.
+The line is at most \fIn\fR characters
long, or as many as fit into the window.
-
+.PP
The \fBvline\fR and \fBwvline\fR functions draw a vertical (top to bottom) line
-using \fIch\fR starting at the current cursor position in the window. The
-current cursor position is not changed. The line is at most \fIn\fR characters
+using \fIch\fR starting at the current cursor position in the window.
+The
+current cursor position is not changed.
+The line is at most \fIn\fR characters
long, or as many as fit into the window.
.SH RETURN VALUE
-All routines return the integer \fBOK\fR. The SVr4.0 manual says "or a
+All routines return the integer \fBOK\fR.
+The SVr4.0 manual says "or a
non-negative integer if \fBimmedok\fR is set", but this appears to be an error.
+.PP
+X/Open does not define any error conditions.
+This implementation returns an error
+if the window pointer is null.
+.PP
+Functions with a \*(``mv\*('' prefix first perform a cursor movement using
+\fBwmove\fP, and return an error if the position is outside the window,
+or if the window pointer is null.
.SH NOTES
The borders generated by these functions are \fIinside\fR borders (this
is also true of SVr4 curses, though the fact is not documented).
-
+.PP
Note that \fBborder\fR and \fBbox\fR may be macros.
.SH PORTABILITY
These functions are described in the XSI Curses standard, Issue 4.
but specifies no error conditions.
.SH SEE ALSO
\fBcurses\fR(3X), \fBcurs_outopts\fR(3X).
-.\"#
-.\"# The following sets edit modes for GNU EMACS
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