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/* console.h -- Public interface to the console server.
Copyright (C) 2002 Free Software Foundation, Inc.
Written by Marcus Brinkmann.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef _HURD_CONSOLE_H
#define _HURD_CONSOLE_H
#include <stdint.h>
struct cons_display
{
#define CONS_MAGIC 0x48555244 /* Hex for "HURD". */
uint32_t magic; /* CONS_MAGIC, use to detect
endianess. */
#define CONS_VERSION_MAJ 0x0
#define CONS_VERSION_MAJ_SHIFT 16
#define CONS_VERSION_AGE 0x0
uint32_t version; /* Version of interface. Lower 16
bits define the age, upper 16 bits
the major version. */
struct
{
uint32_t width; /* Width of screen matrix. */
uint32_t lines; /* Length of whole matrix. */
uint32_t cur_line; /* Beginning of visible area. This is only
ever increased by the server, so clients
can optimize scrolling. */
uint32_t scr_lines;/* Number of lines in scrollback buffer
preceeding CUR_LINE. */
uint32_t height; /* Number of lines in visible area following
(and including) CUR_LINE. */
uint32_t matrix; /* Index (in wchar_t) of the beginning of
screen matrix in this structure. */
} screen;
struct
{
uint32_t col; /* Current column (x-position) of cursor. */
uint32_t row; /* Current row (y-position) of cursor. */
#define CONS_CURSOR_INVISIBLE 0
#define CONS_CURSOR_NORMAL 1
#define CONS_CURSOR_VERY_VISIBLE 2
uint32_t status; /* Visibility status of cursor. */
} cursor;
/* Don't use this, use ((wchar_t *) cons_display +
cons_display.screen.matrix) instead. This will make your client
upward compatible with future versions of this interface. */
wchar_t _matrix[0];
};
#endif /* _HURD_CONSOLE_H */
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