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Diffstat (limited to 'ncurses-5.9/man/curs_getyx.3x')
-rw-r--r-- | ncurses-5.9/man/curs_getyx.3x | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/ncurses-5.9/man/curs_getyx.3x b/ncurses-5.9/man/curs_getyx.3x new file mode 100644 index 0000000..a454f49 --- /dev/null +++ b/ncurses-5.9/man/curs_getyx.3x @@ -0,0 +1,100 @@ +.\"*************************************************************************** +.\" Copyright (c) 1998-2007,2010 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 * +.\" "Software"), to deal in the Software without restriction, including * +.\" without limitation the rights to use, copy, modify, merge, publish, * +.\" distribute, distribute with modifications, sublicense, and/or sell * +.\" copies of the Software, and to permit persons to whom the Software is * +.\" furnished to do so, subject to the following conditions: * +.\" * +.\" The above copyright notice and this permission notice shall be included * +.\" in all copies or substantial portions of the Software. * +.\" * +.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * +.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * +.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * +.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * +.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * +.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * +.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. * +.\" * +.\" Except as contained in this notice, the name(s) of the above copyright * +.\" holders shall not be used in advertising or otherwise to promote the * +.\" sale, use or other dealings in this Software without prior written * +.\" authorization. * +.\"*************************************************************************** +.\" +.\" $Id$ +.TH curs_getyx 3X "" +.SH NAME +\fBgetyx\fR, +\fBgetparyx\fR, +\fBgetbegyx\fR, +\fBgetmaxyx\fR \- get \fBcurses\fR cursor and window coordinates +.SH SYNOPSIS +\fB#include <curses.h>\fR +.sp +\fBvoid getyx(WINDOW *win, int y, int x);\fR +.br +\fBvoid getparyx(WINDOW *win, int y, int x);\fR +.br +\fBvoid getbegyx(WINDOW *win, int y, int x);\fR +.br +\fBvoid getmaxyx(WINDOW *win, int y, int x);\fR +.br +.SH DESCRIPTION +The \fBgetyx\fR macro places the current cursor position of the given window in +the two integer variables \fIy\fR and \fIx\fR. +.PP +If \fIwin\fR is a subwindow, the \fBgetparyx\fR macro places the beginning +coordinates of the subwindow relative to the parent window into two integer +variables \fIy\fR and \fIx\fR. +Otherwise, \fB\-1\fR is placed into \fIy\fR and \fIx\fR. +.PP +Like \fBgetyx\fR, the \fBgetbegyx\fR and \fBgetmaxyx\fR macros store +the current beginning coordinates and size of the specified window. +.SH RETURN VALUE +The return values of these macros are undefined (i.e., +they should not be used as the right-hand side of assignment statements). +.SH NOTES +All of these interfaces are macros. +A "\fB&\fR" is not necessary before the variables \fIy\fR and \fIx\fR. +.SH PORTABILITY +The +\fBgetyx\fR, +\fBgetparyx\fR, +\fBgetbegyx\fR and +\fBgetmaxyx\fR +macros are described in the XSI Curses standard, Issue 4. +.PP +This implementation also provides functions +\fBgetbegx\fR, +\fBgetbegy\fR, +\fBgetcurx\fR, +\fBgetcury\fR, +\fBgetmaxx\fR, +\fBgetmaxy\fR, +\fBgetparx\fR and +\fBgetpary\fR +for compatibility with older versions of curses. +.PP +Although X/Open Curses does not address this, +many implementations provide members of the WINDOW structure +containing values corresponding to these macros. +For best portability, do not rely on using the data in WINDOW, +since some implementations make WINDOW opaque (do not allow +direct use of its members). +.PP +Besides the problem of opaque structures, +the data stored in like-named members may not have like-values in +different implementations. +For example, the WINDOW._maxx and WINDOW._maxy values in ncurses +have (at least since release 1.8.1) differed by one from some +other implementations. +The difference is hidden by means of the macro \fBgetmaxyx\fP. +.SH SEE ALSO +\fBcurses\fR(3X), +\fBcurs_legacy\fR(3X), +\fBcurs_opaque\fR(3X) |