getparyx(3x) — Linux manual page


curs_getyx(3X)                                                curs_getyx(3X)

NAME         top

       getyx,  getparyx,  getbegyx,  getmaxyx - get curses cursor and window

SYNOPSIS         top

       #include <curses.h>

       void getyx(WINDOW *win, int y, int x);
       void getparyx(WINDOW *win, int y, int x);
       void getbegyx(WINDOW *win, int y, int x);
       void getmaxyx(WINDOW *win, int y, int x);

DESCRIPTION         top

       The getyx macro places the current cursor position of the given
       window in the two integer variables y and x.

       If win is a subwindow, the getparyx macro places the beginning
       coordinates of the subwindow relative to the parent window into two
       integer variables y and x.  Otherwise, -1 is placed into y and x.

       Like getyx, the getbegyx and getmaxyx macros store the current
       beginning coordinates and size of the specified window.

RETURN VALUE         top

       The return values of these macros are undefined (i.e., they should
       not be used as the right-hand side of assignment statements).

NOTES         top

       All of these interfaces are macros.  A "&" is not necessary before
       the variables y and x.

PORTABILITY         top

       The getyx, getparyx, getbegyx and getmaxyx macros are described in
       the XSI Curses standard, Issue 4.

       This implementation also provides functions getbegx, getbegy,
       getcurx, getcury, getmaxx, getmaxy, getparx and getpary for
       compatibility with older versions of curses.

       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).

       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

SEE ALSO         top

       curses(3X), curs_legacy(3X), curs_opaque(3X)

COLOPHON         top

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