mirror of
https://github.com/Aigor44/ncursesw-morphos.git
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06078d3fa6
+ add a note to curs_addch.3x on portability. + add a note to curs_pad.3x on the origin and portability of pads. + improve manpage description of getattrs (report by Midolikawa H). + improve manpage macros (prompted by discussion in Debian #880551. + reviewed test-programs using KEY_RESIZE, made fixes to test/worm.c + add a "-d" option to picsmap for default-colors. + modify old terminology entry and a few other terminal emulators to account for xon -TD + correct sgr string for tmux, which used screen's "standout" code rather than the standard code (patch by Roman Kagan) + correct sgr/sgr0 strings in a few other cases reported by tic, making those correspond to the non-sgr settings where they differ, but otherwise use ECMA-48 consistently: jaixterm, aixterm, att5420_2, att4424, att500, decansi, d410-7b, dm80, hpterm, emu-220, hp2, iTerm2.app, mterm-ansi, ncrvt100an, st-0.7, vi603, vwmterm -TD + build-fix for diagnostics warning in lib_mouse.c for pre-5.0 versions of gcc which did not recognize the diagnostic "push" pragma (patch by Vassili Courzakis).
104 lines
4.5 KiB
Plaintext
104 lines
4.5 KiB
Plaintext
.\"***************************************************************************
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.\" Copyright (c) 1998-2015,2017 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: curs_bkgd.3x,v 1.25 2017/11/18 23:56:00 tom Exp $
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.de bP
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.ie n .IP \(bu 4
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.el .IP \(bu 2
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..
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.TH curs_bkgd 3X ""
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.SH NAME
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\fBbkgdset\fR, \fBwbkgdset\fR,
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\fBbkgd\fR, \fBwbkgd\fR,
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\fBgetbkgd\fR \- \fBcurses\fR window background manipulation routines
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.SH SYNOPSIS
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\fB#include <curses.h>\fR
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.PP
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\fBvoid bkgdset(chtype \fP\fIch\fP\fB);\fR
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.br
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\fBvoid wbkgdset(WINDOW *\fP\fIwin, chtype \fP\fIch\fP\fB);\fR
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.br
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\fBint bkgd(chtype \fP\fIch\fP\fB);\fR
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.br
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\fBint wbkgd(WINDOW *\fP\fIwin\fP\fB, chtype \fP\fIch\fP\fB);\fR
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.br
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\fBchtype getbkgd(WINDOW *\fP\fIwin\fP\fB);\fR
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.br
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.SH DESCRIPTION
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.SS bkgdset
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The \fBbkgdset\fR and \fBwbkgdset\fR routines manipulate the
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background of the named window.
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The window background is a \fBchtype\fR consisting of
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any combination of attributes (i.e., rendition) and a character.
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The attribute part of the background is combined (OR'ed) with all non-blank
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characters that are written into the window with \fBwaddch\fR. Both
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the character and attribute parts of the background are combined with
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the blank characters. The background becomes a property of the
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character and moves with the character through any scrolling and
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insert/delete line/character operations.
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.PP
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To the extent possible on a particular terminal,
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the attribute part of the background is displayed
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as the graphic rendition of the character put on the screen.
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.SS bkgd
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.PP
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The \fBbkgd\fR and \fBwbkgd\fR functions
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set the background property of the current or specified window
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and then apply this setting to every character position in that window:
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.PP
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.bP
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The rendition of every character on the screen is changed to
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the new background rendition.
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.bP
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Wherever the former background character
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appears, it is changed to the new background character.
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.SS getbkgd
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.PP
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The \fBgetbkgd\fR function returns the given window's current background
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character/attribute pair.
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.SH RETURN VALUE
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.PP
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The routines \fBbkgd\fR and \fBwbkgd\fR return the integer \fBOK\fR.
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The SVr4.0 manual says "or a non-negative integer if \fBimmedok\fR is set",
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but this appears to be an error.
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.SH NOTES
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.PP
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Note that \fBbkgdset\fR and \fBbkgd\fR may be macros.
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.SH PORTABILITY
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.PP
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These functions are described in the XSI Curses standard, Issue 4.
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It specifies that \fBbkgd\fR and \fBwbkgd\fR return \fBERR\fR on failure,
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but gives no failure conditions.
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.SH SEE ALSO
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.na
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.PP
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\fBcurses\fR(3X),
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\fBcurs_addch\fR(3X),
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\fBcurs_attr\fR(3X),
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\fBcurs_outopts\fR(3X)
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