mirror of
https://github.com/Aigor44/ncursesw-morphos.git
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3eda6f30a8
+ minor fixes for vt100+4bsd, e.g., delay in sgr for consistency -TD
+ add smso for env230, to match sgr -TD
+ remove p7/protect from sgr in fbterm -TD
+ drop setf/setb from fbterm; setaf/setab are enough -TD
+ make xterm-pcolor sgr consistent with other capabilities -TD
+ add rmxx/smxx ECMA-48 strikeout extension to tmux and xterm-basic
(discussion with Nicholas Marriott)
+ add test-programs sp_tinfo and extended_color
+ modify no-leaks code for lib_cur_term.c to account for the tgetent()
cache.
+ modify setupterm() to save original tty-modes so that erasechar()
works as expected. Also modify _nc_setupscreen() to avoid redundant
calls to get original tty-modes.
+ modify set_curterm() to update ttytype[] data used by longname().
+ modify wattr_set() and wattr_get() to return ERR if win-parameter is
null, as documented.
+ improve cast used for null-pointer checks in header macros, to
reduce compiler warnings.
+ modify several functions, using the reserved "opts" parameter to pass
color- and pair-values larger than 16-bits:
+ getcchar(), setcchar(), slk_attr_set(), vid_puts(), wattr_get(),
wattr_set(), wchgat(), wcolor_set().
+ Other functions call these with the corresponding altered behavior,
including chgat(), mvchgat(), mvwchgat(), slk_color_on(),
slk_color_off(), vid_attr().
+ add new functions for manipulating color- and pair-values larger
than 16-bits. These are extended_color_content(),
extended_pair_content(), extended_slk_color(), init_extended_color(),
init_extended_pair(), and the corresponding sp-funcs.
145 lines
7.6 KiB
HTML
145 lines
7.6 KiB
HTML
<!--
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****************************************************************************
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* Copyright (c) 2002-2015,2017 Free Software Foundation, Inc. *
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****************************************************************************
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* @Id: curs_bkgrnd.3x,v 1.7 2017/03/25 21:49:00 tom Exp @
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-->
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
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<HTML>
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<HEAD>
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<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
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<meta name="generator" content="Manpage converted by man2html - see http://invisible-island.net/scripts/readme.html#others_scripts">
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<TITLE>curs_bkgrnd 3x</TITLE>
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<link rev=made href="mailto:bug-ncurses@gnu.org">
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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</HEAD>
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<BODY>
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<H1 class="no-header">curs_bkgrnd 3x</H1>
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<PRE>
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<STRONG><A HREF="curs_bkgrnd.3x.html">curs_bkgrnd(3x)</A></STRONG> <STRONG><A HREF="curs_bkgrnd.3x.html">curs_bkgrnd(3x)</A></STRONG>
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</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
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<STRONG>bkgrnd</STRONG>, <STRONG>wbkgrnd</STRONG>, <STRONG>bkgrndset</STRONG>, <STRONG>wbkgrndset</STRONG>, <STRONG>getbkgrnd</STRONG>, <STRONG>wget-</STRONG>
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<STRONG>bkgrnd</STRONG> - <STRONG>curses</STRONG> window complex background manipulation
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routines
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</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
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<STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
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<STRONG>int</STRONG> <STRONG>bkgrnd(</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>wbkgrnd(</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM><STRONG>);</STRONG>
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<STRONG>void</STRONG> <STRONG>bkgrndset(const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM> <STRONG>);</STRONG>
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<STRONG>void</STRONG> <STRONG>wbkgrndset(WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>const</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>getbkgrnd(cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>wgetbkgrnd(WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>cchar_t</STRONG> <STRONG>*</STRONG><EM>wch</EM><STRONG>);</STRONG>
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</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
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</PRE><H3><a name="h3-bkgrndset">bkgrndset</a></H3><PRE>
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The <STRONG>bkgrndset</STRONG> and <STRONG>wbkgrndset</STRONG> routines manipulate the back-
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ground of the named window. The window background is a
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<STRONG>cchar_t</STRONG> consisting of any combination of attributes (i.e.,
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rendition) and a complex character. The attribute part of
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the background is combined (OR'ed) with all non-blank
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characters that are written into the window with <STRONG>waddch</STRONG>.
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Both the character and attribute parts of the background
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are combined with the blank characters. The background
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becomes a property of the character and moves with the
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character through any scrolling and insert/delete
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line/character operations.
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To the extent possible on a particular terminal, the
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attribute part of the background is displayed as the
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graphic rendition of the character put on the screen.
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</PRE><H3><a name="h3-bkgrnd">bkgrnd</a></H3><PRE>
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The <STRONG>bkgrnd</STRONG> and <STRONG>wbkgrnd</STRONG> functions set the background prop-
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erty of the current or specified window and then apply
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this setting to every character position in that window:
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<STRONG>o</STRONG> The rendition of every character on the screen is
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changed to the new background rendition.
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<STRONG>o</STRONG> Wherever the former background character appears, it
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is changed to the new background character.
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</PRE><H3><a name="h3-getbkgrnd">getbkgrnd</a></H3><PRE>
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The <STRONG>getbkgrnd</STRONG> function returns the given window's current
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background character/attribute pair via the <STRONG>wch</STRONG> pointer.
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If the given window pointer is null, the character is not
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updated (but no error returned).
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</PRE><H2><a name="h2-NOTES">NOTES</a></H2><PRE>
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Note that <STRONG>bkgrnd</STRONG>, <STRONG>bkgrndset</STRONG>, and <STRONG>getbkgrnd</STRONG> may be macros.
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</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
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The <STRONG>bkgrndset</STRONG> and <STRONG>wbkgrndset</STRONG> routines do not return a
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value.
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Upon successful completion, the other functions return <STRONG>OK</STRONG>.
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Otherwise, they return <STRONG>ERR</STRONG>:
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<STRONG>o</STRONG> A null window pointer is treated as an error.
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<STRONG>o</STRONG> A null character pointer is treated as an error.
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</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
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<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_bkgd.3x.html">curs_bkgd(3x)</A></STRONG>
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<STRONG><A HREF="curs_bkgrnd.3x.html">curs_bkgrnd(3x)</A></STRONG>
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</PRE>
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<div class="nav">
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<ul>
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<li><a href="#h2-NAME">NAME</a></li>
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<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
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<li><a href="#h2-DESCRIPTION">DESCRIPTION</a>
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<ul>
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<li><a href="#h3-bkgrndset">bkgrndset</a></li>
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<li><a href="#h3-bkgrnd">bkgrnd</a></li>
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<li><a href="#h3-getbkgrnd">getbkgrnd</a></li>
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</ul>
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</li>
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<li><a href="#h2-NOTES">NOTES</a></li>
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<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
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<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
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</ul>
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</div>
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</BODY>
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</HTML>
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