ncurses 6.4 - patch 20231016

[ncurses.git] / man / curs_overlay.3x

diff --git a/man/curs_overlay.3x b/man/curs_overlay.3x
index d1bfeb362a471bb23b3ec5068d368641c44c4897..39214789701bef4941a86655ba590b60b97c51f7 100644 (file)
--- a/man/curs_overlay.3x
+++ b/man/curs_overlay.3x
@@ -1,5 +1,6 @@
 .\"***************************************************************************
 .\"***************************************************************************

-.\" Copyright (c) 1998-2006,2010 Free Software Foundation, Inc.              *
+.\" Copyright 2020-2022,2023 Thomas E. Dickey                                *
+.\" Copyright 1998-2013,2015 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            *
 .\"                                                                          *
 .\" Permission is hereby granted, free of charge, to any person obtaining a  *
 .\" copy of this software and associated documentation files (the            *


@@ -26,43 +27,44 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"

-.\" $Id: curs_overlay.3x,v 1.15 2010/07/31 16:10:55 tom Exp $
-.TH curs_overlay 3X ""
-.na
-.hy 0
+.\" $Id: curs_overlay.3x,v 1.33 2023/10/07 21:19:07 tom Exp $
+.TH curs_overlay 3X 2023-10-07 "ncurses 6.4" "Library calls"

 .SH NAME
 .SH NAME

-\fBoverlay\fR,
-\fBoverwrite\fR,
-\fBcopywin\fR \- overlay and manipulate overlapped \fBcurses\fR windows
-.ad
-.hy
+\fB\%overlay\fP,
+\fB\%overwrite\fP,
+\fB\%copywin\fP \-
+overlay \fIcurses\fR windows and manipulate them

 .SH SYNOPSIS
 .SH SYNOPSIS

-\fB#include <curses.h>\fR
-.sp
-\fBint overlay(const WINDOW *srcwin, WINDOW *dstwin);\fR
-.br
-\fBint overwrite(const WINDOW *srcwin, WINDOW *dstwin);\fR
-.br
-\fBint copywin(const WINDOW *srcwin, WINDOW *dstwin, int sminrow,\fR
-      \fBint smincol, int dminrow, int dmincol, int dmaxrow,\fR
-      \fBint dmaxcol, int overlay);\fR
-.SH DESCRIPTION
-The \fBoverlay\fR and \fBoverwrite\fR routines overlay \fIsrcwin\fR on
-top of \fIdstwin\fR.  \fIscrwin\fR and \fIdstwin\fR are not required
-to be the same size; only text where the two windows overlap is
-copied.  The difference is that \fBoverlay\fR is non-destructive
-(blanks are not copied) whereas \fBoverwrite\fR is destructive.
+.nf
+\fB#include <curses.h>

 .PP
 .PP

-The \fBcopywin\fR routine provides a finer granularity of control over the
-\fBoverlay\fR and \fBoverwrite\fR routines.  Like in the \fBprefresh\fR
-routine, a rectangle is specified in the destination window, (\fIdminrow\fR,
-\fIdmincol\fR) and (\fIdmaxrow\fR, \fIdmaxcol\fR), and the upper-left-corner
-coordinates of the source window, (\fIsminrow\fR, \fIsmincol\fR).  If the
-argument \fIoverlay\fR is \fBtrue\fR, then copying is non-destructive, as in
-\fBoverlay\fR.
+\fBint overlay(const WINDOW *\fIsrcwin\fP, WINDOW *\fIdstwin\fP);
+\fBint overwrite(const WINDOW *\fIsrcwin\fP, WINDOW *\fIdstwin\fP);
+\fBint copywin(const WINDOW *\fIsrcwin\fP, WINDOW *\fIdstwin\fP, int \fIsminrow\fP,
+      \fBint \fIsmincol\fB, int \fIdminrow\fB, int \fIdmincol\fB, int \fIdmaxrow\fB,\fR
+      \fBint \fIdmaxcol\fB, int \fIoverlay\fB);\fR
+.fi
+.SH DESCRIPTION
+.SS overlay, overwrite
+The \fBoverlay\fP and \fBoverwrite\fP routines overlay \fIsrcwin\fP on
+top of \fIdstwin\fP.
+\fIscrwin\fP and \fIdstwin\fP are not required
+to be the same size; only text where the two windows overlap is copied.
+The difference is that \fBoverlay\fP is non-destructive
+(blanks are not copied) whereas \fBoverwrite\fP is destructive.
+.SS copywin
+The \fBcopywin\fP routine provides a finer granularity of control over the
+\fBoverlay\fP and \fBoverwrite\fP routines.
+As in the \fBprefresh\fP routine,
+a rectangle is specified in the destination window, (\fIdminrow\fP,
+\fIdmincol\fP) and (\fIdmaxrow\fP, \fIdmaxcol\fP), and the upper-left-corner
+coordinates of the source window, (\fIsminrow\fP, \fIsmincol\fP).
+If the argument \fIoverlay\fP is \fBtrue\fP,
+then copying is non-destructive,
+as in \fBoverlay\fP.

 .SH RETURN VALUE
 .SH RETURN VALUE

-Routines that return an integer return \fBERR\fR upon failure, and \fBOK\fR
-(SVr4 only specifies "an integer value other than \fBERR\fR") upon successful
+Routines that return an integer return \fBERR\fP upon failure, and \fBOK\fP
+(SVr4 only specifies "an integer value other than \fBERR\fP") upon successful

 completion.
 .PP
 X/Open defines no error conditions.
 completion.
 .PP
 X/Open defines no error conditions.


@@ -72,16 +74,13 @@ In this implementation,
 if either of the window pointers are null, or
 if some part of the window would be placed off-screen.
 .SH NOTES
 if either of the window pointers are null, or
 if some part of the window would be placed off-screen.
 .SH NOTES

-Note that \fBoverlay\fR and \fBoverwrite\fR may be macros.
+Note that \fBoverlay\fP and \fBoverwrite\fP may be macros.

 .SH PORTABILITY
 The XSI Curses standard, Issue 4 describes these functions (adding the const
 .SH PORTABILITY
 The XSI Curses standard, Issue 4 describes these functions (adding the const

-qualifiers).  It further specifies their behavior in the presence of characters
+qualifiers).
+It further specifies their behavior in the presence of characters

 with multibyte renditions (not yet supported in this implementation).
 .SH SEE ALSO
 with multibyte renditions (not yet supported in this implementation).
 .SH SEE ALSO

-\fBcurses\fR(3X), \fBcurs_pad\fR(3X), \fBcurs_refresh\fR(3X)
-.\"#
-.\"# The following sets edit modes for GNU EMACS
-.\"# Local Variables:
-.\"# mode:nroff
-.\"# fill-column:79
-.\"# End:
+\fB\%curses\fP(3X),
+\fB\%curs_pad\fP(3X),
+\fB\%curs_refresh\fP(3X)