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.\"***************************************************************************
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2020-02-19 16:58:06 +00:00
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.\" Copyright 2019,2020 Thomas E. Dickey *
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.\" Copyright 2007-2015,2017 Free Software Foundation, Inc. *
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2007-12-30 11:08:14 +00:00
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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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2020-02-19 16:58:06 +00:00
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.\" $Id: curs_legacy.3x,v 1.10 2020/02/02 23:34:34 tom Exp $
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2020-02-07 08:36:41 +00:00
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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_legacy 3X ""
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.SH NAME
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curs_legacy \- get \fBcurses\fP cursor and window coordinates, attributes
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.SH SYNOPSIS
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\fB#include <curses.h>\fP
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.sp
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\fBint getattrs(const WINDOW *win);\fP
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.br
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\fBint getbegx(const WINDOW *win);\fP
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.br
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\fBint getbegy(const WINDOW *win);\fP
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.br
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\fBint getcurx(const WINDOW *win);\fP
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.br
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\fBint getcury(const WINDOW *win);\fP
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.br
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\fBint getmaxx(const WINDOW *win);\fP
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.br
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\fBint getmaxy(const WINDOW *win);\fP
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.br
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\fBint getparx(const WINDOW *win);\fP
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.br
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\fBint getpary(const WINDOW *win);\fP
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.br
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.SH DESCRIPTION
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These legacy functions are simpler to use than the X/Open Curses functions:
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.bP
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The \fBgetattrs\fP function returns the same attribute data as \fBwattr_get\fP.
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.IP
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However, \fBgetattrs\fP returns an integer (actually a \fBchtype\fP),
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while \fBwattr_get\fP returns the current color pair in a separate parameter.
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In the wide-character library configuration,
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color pairs may not fit into a \fBchtype\fP,
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so \fBwattr_get\fP is the only way to obtain the color information.
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.IP
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Because \fBgetattrs\fP returns the attributes in a single parameter,
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it would not be possible for an application to distinguish that from
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\fBERR\fP (a \fI-1\fP).
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If the window parameter is null, \fBgetattrs\fP returns \fBA_NORMAL\fP (zero).
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.bP
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The \fBgetbegy\fP and \fBgetbegx\fP functions return the same
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data as \fBgetbegyx\fP.
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.bP
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The \fBgetcury\fP and \fBgetcurx\fP functions return the same
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data as \fBgetyx\fP.
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.bP
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The \fBgetmaxy\fP and \fBgetmaxx\fP functions return the same
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data as \fBgetmaxyx\fP.
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.bP
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The \fBgetpary\fP and \fBgetparx\fP functions return the same
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data as \fBgetparyx\fP.
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.SH RETURN VALUE
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Except as noted,
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these functions return an integer,
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or \fBERR\fP if the window parameter is null.
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.SH NOTES
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All of these interfaces are provided as macros and functions.
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The macros are suppressed (and only the functions provided)
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when \fBNCURSES_OPAQUE\fP is defined.
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The standard forms such as \fBgetyx\fP must be implemented as macros,
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and (in this implementation) are defined in terms of the functions
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described here,
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to avoid reliance on internal details of the WINDOW structure.
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.SH PORTABILITY
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These functions were supported on Version 7, BSD or System V implementations.
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None of those implementations checked the window parameter.
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.PP
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The \fBgetattrs\fP function and macro are defined to return a (signed) integer
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for compatibility with those implementations
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although an unsigned type would have been more appropriate.
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.SH SEE ALSO
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\fBcurses\fP(3X),
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\fBcurs_getyx\fP(3X),
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\fBcurs_opaque\fP(3X)
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