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--- a/doc/html/man/curs_overlay.3x.html
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@@ -1,6 +1,6 @@
<!--
****************************************************************************
- * Copyright 2020-2023,2024 Thomas E. Dickey *
+ * Copyright 2020-2024,2025 Thomas E. Dickey *
* Copyright 1998-2013,2015 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
@@ -27,25 +27,23 @@
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************
- * @Id: curs_overlay.3x,v 1.43 2024/04/20 21:20:07 tom Exp @
+ * @Id: curs_overlay.3x,v 1.55 2025/01/19 00:51:10 tom Exp @
-->
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-<TITLE>curs_overlay 3x 2024-04-20 ncurses 6.5 Library calls</TITLE>
+<TITLE>curs_overlay 3x 2025-01-18 ncurses 6.6 Library calls</TITLE>
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-<H1 class="no-header">curs_overlay 3x 2024-04-20 ncurses 6.5 Library calls</H1>
+<H1 class="no-header">curs_overlay 3x 2025-01-18 ncurses 6.6 Library calls</H1>
<PRE>
<STRONG><A HREF="curs_overlay.3x.html">curs_overlay(3x)</A></STRONG> Library calls <STRONG><A HREF="curs_overlay.3x.html">curs_overlay(3x)</A></STRONG>
-
-
</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
<STRONG>overlay</STRONG>, <STRONG>overwrite</STRONG>, <STRONG>copywin</STRONG> - overlay <EM>curses</EM> windows and manipulate
them
@@ -66,47 +64,48 @@
</PRE><H3><a name="h3-overlay_overwrite">overlay, overwrite</a></H3><PRE>
The <STRONG>overlay</STRONG> and <STRONG>overwrite</STRONG> routines overlay <EM>srcwin</EM> on top of <EM>dstwin</EM>.
<EM>scrwin</EM> and <EM>dstwin</EM> are not required to be the same size; only text where
- the two windows overlap is copied. The difference is that <STRONG>overlay</STRONG> is
- non-destructive (blanks are not copied) whereas <STRONG>overwrite</STRONG> is
+ the two windows overlap is copied. The difference is that <STRONG>overlay</STRONG> is
+ non-destructive (blanks are not copied) whereas <STRONG>overwrite</STRONG> is
destructive.
</PRE><H3><a name="h3-copywin">copywin</a></H3><PRE>
- The <STRONG>copywin</STRONG> routine provides a finer granularity of control over the
+ The <STRONG>copywin</STRONG> routine provides a finer granularity of control over the
<STRONG>overlay</STRONG> and <STRONG>overwrite</STRONG> routines. As in the <STRONG>prefresh</STRONG> routine, a
- rectangle is specified in the destination window, (<EM>dminrow</EM>, <EM>dmincol</EM>)
- and (<EM>dmaxrow</EM>, <EM>dmaxcol</EM>), and the upper-left-corner coordinates of the
- source window, (<EM>sminrow</EM>, <EM>smincol</EM>). If the argument <EM>overlay</EM> is <STRONG>true</STRONG>,
+ rectangle is specified in the destination window, (<EM>dminrow</EM>, <EM>dmincol</EM>)
+ and (<EM>dmaxrow</EM>, <EM>dmaxcol</EM>), and the upper-left-corner coordinates of the
+ source window, (<EM>sminrow</EM>, <EM>smincol</EM>). If the argument <EM>overlay</EM> is <STRONG>true</STRONG>,
then copying is non-destructive, as in <STRONG>overlay</STRONG>.
</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
- These routines return the integer <STRONG>ERR</STRONG> upon failure and an <STRONG>OK</STRONG> (SVr4
- specifies only "an integer value other than <STRONG>ERR</STRONG>") upon successful
- completion.
+ These functions return <STRONG>OK</STRONG> on success and <STRONG>ERR</STRONG> on failure.
+
+ In <EM>ncurses</EM>, they return <STRONG>ERR</STRONG> if
+
+ <STRONG>o</STRONG> either of the window pointers are null, or
- X/Open defines no error conditions. In this implementation, <STRONG>copywin</STRONG>,
- <STRONG>overlay</STRONG> and <STRONG>overwrite</STRONG> return an error if either of the window pointers
- are null, or if some part of the window would be placed off-screen.
+ <STRONG>o</STRONG> any part of the window would be placed off-screen.
</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
- Note that <STRONG>overlay</STRONG> and <STRONG>overwrite</STRONG> may be macros.
+ <STRONG>overlay</STRONG> and <STRONG>overwrite</STRONG> may be implemented as macros.
</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
- These functions are described in X/Open Curses, Issue 4, which adds
- <EM>const</EM> qualifiers to the arguments. It further specifies their behavior
- in the presence of characters with multibyte renditions (not yet
- supported in this implementation).
+ X/Open Curses Issue 4 describes these functions. It specifies no error
+ conditions for them. It adds <EM>const</EM> qualifiers to the arguments. It
+ further specifies their behavior in the presence of characters with
+ multibyte renditions (not yet supported in this implementation).
+
+ SVr4 describes a successful return value only as "an integer value
+ other than <EM>ERR</EM>".
</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_pad.3x.html">curs_pad(3x)</A></STRONG>, <STRONG><A HREF="curs_refresh.3x.html">curs_refresh(3x)</A></STRONG>
-
-
-ncurses 6.5 2024-04-20 <STRONG><A HREF="curs_overlay.3x.html">curs_overlay(3x)</A></STRONG>
+ncurses 6.6 2025-01-18 <STRONG><A HREF="curs_overlay.3x.html">curs_overlay(3x)</A></STRONG>
</PRE>
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