]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - doc/html/man/curs_legacy.3x.html
ncurses 6.4 - patch 20240414
[ncurses.git] / doc / html / man / curs_legacy.3x.html
index 16f7d4d7547a25f4f42ee01ba9b0a9656a846026..c4f34e9c72f52450b6f9f3020509aed32f08bcac 100644 (file)
@@ -1,7 +1,7 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
-<!-- 
+<!--
   ****************************************************************************
-  * Copyright (c) 2007,2010 Free Software Foundation, Inc.                   *
+  * Copyright 2019-2023,2024 Thomas E. Dickey                                *
+  * Copyright 2007-2015,2017 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            *
   * sale, use or other dealings in this Software without prior written       *
   * authorization.                                                           *
   ****************************************************************************
-  * @Id: curs_legacy.3x,v 1.5 2010/12/04 18:38:55 tom Exp @
+  * @Id: curs_legacy.3x,v 1.32 2024/03/16 15:35:01 tom Exp @
 -->
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
 <HTML>
 <HEAD>
-<TITLE>curs_legacy 3x</TITLE>
-<link rev=made href="mailto:bug-ncurses@gnu.org">
-<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
+<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
+<meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
+<TITLE>curs_legacy 3x 2024-03-16 ncurses 6.4 Library calls</TITLE>
+<link rel="author" href="mailto:bug-ncurses@gnu.org">
+
 </HEAD>
 <BODY>
-<H1>curs_legacy 3x</H1>
-<HR>
+<H1 class="no-header">curs_legacy 3x 2024-03-16 ncurses 6.4 Library calls</H1>
 <PRE>
-<!-- Manpage converted by man2html 3.0.1 -->
-<STRONG><A HREF="curs_legacy.3x.html">curs_legacy(3x)</A></STRONG>                                         <STRONG><A HREF="curs_legacy.3x.html">curs_legacy(3x)</A></STRONG>
+<STRONG><A HREF="curs_legacy.3x.html">curs_legacy(3x)</A></STRONG>                  Library calls                 <STRONG><A HREF="curs_legacy.3x.html">curs_legacy(3x)</A></STRONG>
 
 
 
 
-</PRE>
-<H2>NAME</H2><PRE>
-       getattrs  -  get  <STRONG>curses</STRONG>  cursor  and  window coordinates,
-       attributes
+</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
+       <STRONG>getattrs</STRONG>,   <STRONG>getbegx</STRONG>,   <STRONG>getbegy</STRONG>,  <STRONG>getcurx</STRONG>,  <STRONG>getcury</STRONG>,  <STRONG>getmaxx</STRONG>,  <STRONG>getmaxy</STRONG>,
+       <STRONG>getparx</STRONG>,  <STRONG>getpary</STRONG>  -  get  <EM>curses</EM>  cursor  and  window  coordinates  or
+       attributes (legacy)
 
 
-</PRE>
-<H2>SYNOPSIS</H2><PRE>
+</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
        <STRONG>#include</STRONG> <STRONG>&lt;curses.h&gt;</STRONG>
 
-       <STRONG>int</STRONG> <STRONG>getattrs(WINDOW</STRONG> <STRONG>*win);</STRONG>
-       <STRONG>int</STRONG> <STRONG>getbegx(WINDOW</STRONG> <STRONG>*win);</STRONG>
-       <STRONG>int</STRONG> <STRONG>getbegy(WINDOW</STRONG> <STRONG>*win);</STRONG>
-       <STRONG>int</STRONG> <STRONG>getcurx(WINDOW</STRONG> <STRONG>*win);</STRONG>
-       <STRONG>int</STRONG> <STRONG>getcury(WINDOW</STRONG> <STRONG>*win);</STRONG>
-       <STRONG>int</STRONG> <STRONG>getmaxx(WINDOW</STRONG> <STRONG>*win);</STRONG>
-       <STRONG>int</STRONG> <STRONG>getmaxy(WINDOW</STRONG> <STRONG>*win);</STRONG>
-       <STRONG>int</STRONG> <STRONG>getparx(WINDOW</STRONG> <STRONG>*win);</STRONG>
-       <STRONG>int</STRONG> <STRONG>getpary(WINDOW</STRONG> <STRONG>*win);</STRONG>
+       <STRONG>int</STRONG> <STRONG>getattrs(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>);</STRONG>
 
+       <STRONG>int</STRONG> <STRONG>getbegx(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>);</STRONG>
+       <STRONG>int</STRONG> <STRONG>getbegy(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>);</STRONG>
 
-</PRE>
-<H2>DESCRIPTION</H2><PRE>
-       The <STRONG>getbegy</STRONG> and <STRONG>getbegx</STRONG> functions return the same data  as
-       <STRONG>getbegyx</STRONG>.
+       <STRONG>int</STRONG> <STRONG>getcurx(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>);</STRONG>
+       <STRONG>int</STRONG> <STRONG>getcury(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>);</STRONG>
 
-       The  <STRONG>getcury</STRONG> and <STRONG>getcurx</STRONG> functions return the same data as
-       <STRONG>getyx</STRONG>.
+       <STRONG>int</STRONG> <STRONG>getmaxx(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>);</STRONG>
+       <STRONG>int</STRONG> <STRONG>getmaxy(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>);</STRONG>
 
-       The <STRONG>getmaxy</STRONG> and <STRONG>getmaxx</STRONG> functions return the same data  as
-       <STRONG>getmaxyx</STRONG>.
+       <STRONG>int</STRONG> <STRONG>getparx(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>);</STRONG>
+       <STRONG>int</STRONG> <STRONG>getpary(const</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>);</STRONG>
 
-       The  <STRONG>getpary</STRONG> and <STRONG>getparx</STRONG> functions return the same data as
-       <STRONG>getparyx</STRONG>.
 
+</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
+       These  legacy  functions  are  simpler  to  use  than the X/Open <EM>curses</EM>
+       functions:
 
-</PRE>
-<H2>RETURN VALUE</H2><PRE>
-       These functions return an integer, or ERR  if  the  window
-       parameter is null.
+       <STRONG>o</STRONG>   The <STRONG>getattrs</STRONG> function returns the same attribute data as <STRONG>wattr_get</STRONG>.
 
+           However, <STRONG>getattrs</STRONG> returns an integer  (actually  a  <STRONG>chtype</STRONG>),  while
+           <STRONG>wattr_get</STRONG>  returns  the current color pair in a separate parameter.
+           In the wide-character library configuration, color  pairs  may  not
+           fit into a <STRONG>chtype</STRONG>, so <STRONG>wattr_get</STRONG> is the only way to obtain the color
+           information.
 
-</PRE>
-<H2>NOTES</H2><PRE>
-       All  of  these interfaces are provided as macros and func-
-       tions.  The macros are suppressed (and only the  functions
-       provided)  when  <STRONG>NCURSES_OPAQUE</STRONG>  is defined.  The standard
-       forms such as <STRONG>getyx</STRONG> must be implemented as macros, and (in
-       this implementation) are defined in terms of the functions
-       described here, to avoid reliance on internal  details  of
-       the WINDOW structure.
+           Because <STRONG>getattrs</STRONG> returns the attributes in a single  parameter,  it
+           would  not  be possible for an application to distinguish that from
+           <STRONG>ERR</STRONG> (a <EM>-1</EM>).  If the window  parameter  is  null,  <STRONG>getattrs</STRONG>  returns
+           <STRONG>A_NORMAL</STRONG> (zero).
 
+       <STRONG>o</STRONG>   The <STRONG>getbegy</STRONG> and <STRONG>getbegx</STRONG> functions return the same data as <STRONG>getbegyx</STRONG>.
 
-</PRE>
-<H2>PORTABILITY</H2><PRE>
-       These functions were supported on Version 7, BSD or System
-       V implementations.
+       <STRONG>o</STRONG>   The <STRONG>getcury</STRONG> and <STRONG>getcurx</STRONG> functions return the same data as <STRONG>getyx</STRONG>.
 
+       <STRONG>o</STRONG>   The <STRONG>getmaxy</STRONG> and <STRONG>getmaxx</STRONG> functions return the same data as <STRONG>getmaxyx</STRONG>.
 
-</PRE>
-<H2>SEE ALSO</H2><PRE>
+       <STRONG>o</STRONG>   The <STRONG>getpary</STRONG> and <STRONG>getparx</STRONG> functions return the same data as <STRONG>getparyx</STRONG>.
+
+
+</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
+       Except  as  noted,  these  functions  return  an integer, or <STRONG>ERR</STRONG> if the
+       window parameter is null.
+
+
+</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
+       All of these interfaces are implemented as macros and  functions.   The
+       macros  are suppressed (and only the functions provided) in an "opaque"
+       <EM>ncurses</EM> build, which defines the  preprocessor  symbol  <STRONG>NCURSES_OPAQUE</STRONG>.
+       See section "ALTERNATE CONFIGURATIONS" in <STRONG><A HREF="ncurses.3x.html">ncurses(3x)</A></STRONG>.
+
+       The standard forms such as <STRONG>getyx</STRONG> <EM>must</EM> be implemented as macros, and (in
+       this implementation) are defined in terms of  the  functions  described
+       here, to avoid reliance on internal details of the <EM>WINDOW</EM> structure.
+
+
+</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
+       These   functions  were  supported  on  Version  7,  BSD  or  System  V
+       implementations.  None of  those  implementations  checked  the  window
+       parameter.
+
+       The  <STRONG>getattrs</STRONG>  function  and  macro  are  defined  to return a (signed)
+       integer  for  compatibility  with  those  implementations  although  an
+       unsigned type would have been more appropriate.
+
+
+</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_getyx.3x.html">curs_getyx(3x)</A></STRONG>, <STRONG><A HREF="curs_opaque.3x.html">curs_opaque(3x)</A></STRONG>
 
 
 
-                                                        <STRONG><A HREF="curs_legacy.3x.html">curs_legacy(3x)</A></STRONG>
+ncurses 6.4                       2024-03-16                   <STRONG><A HREF="curs_legacy.3x.html">curs_legacy(3x)</A></STRONG>
 </PRE>
-<HR>
-<ADDRESS>
-Man(1) output converted with
-<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
-</ADDRESS>
+<div class="nav">
+<ul>
+<li><a href="#h2-NAME">NAME</a></li>
+<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
+<li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
+<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
+<li><a href="#h2-NOTES">NOTES</a></li>
+<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
+<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
+</ul>
+</div>
 </BODY>
 </HTML>