/* * Authors: Hadi Bargi Rangin bargi@dots.physics.orst.edu * Bill Barry barryb@dots.physics.orst.edu * Randy Lundquist randyl@dots.physics.orst.edu * * Modifications Copyright (c) 1995 by * Science Access Project, Oregon State University. * * 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 (see the file COPYING); if not, write to the * Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * **************************************************************** * $Id: braille.h,v 1.1.1.1 2001/12/14 22:08:28 bbraun Exp $ FAU */ #ifdef HAVE_BRAILLE extern void StartBraille __P((void)); struct braille_display { struct display *bd_dpy; /* display we are connected to */ int bd_start_braille; /* screenrc var to request to turn braille on */ int bd_using_braille; /* all is fine, use braille */ struct event bd_readev; struct event bd_writeev; struct event bd_selectev; int bd_fd; /* file descriptor */ int bd_obuflen; /* current number of charactors in output buffer */ char bd_obuf[IOSIZE]; int bd_info; /* default, no info, 0,1,2,3 */ int bd_ncrc; /* default 1, numbers of cells on the right side of real cursor, 1...bd_width */ int bd_skip; /* default off, on/off */ int bd_link; /* default, linked, on/off */ int bd_width; /* length of braille display to use, <=bd_ncells */ int bd_scroll; /* default on, scroll on/off */ char *bd_braille_table; /* braille code */ int bd_bell; /* bell used for navigation on/off */ int bd_ncells; /* real number of cells on braille display */ int bd_eightdot; /* eightdot on/off */ int bd_baud; /* communication baudrate between port and braille display */ char *bd_port; /* serial port to use */ char *bd_type; /* kind of braille display */ double bd_version; /* rom version of braille display */ char bd_btable[256]; /* braille translation table */ /* functions which communicate with braille displays */ int (*write_line_braille) __P((char [],int, int)); void (*buttonpress) __P((void)); int (*bd_response_test) __P((void)); int bd_refreshing; /* are we doing a refresh? */ char bd_line[40+1]; /* bd_ncells chars displayed on braille */ int bd_cursorpos; /* cursor position on braille */ char bd_oline[40+1]; /* bd_ncells chars displayed on braille */ int bd_sx, bd_sy; /* screen cursor pos */ int bd_moved; /* used braille move keys */ int bd_searching; /* are we seaching (bd_skip is on) */ int bd_searchmax; /* search: max x */ int bd_searchmin; /* search: min x */ int bd_searchstart; int bd_searchend; }; extern struct braille_display bd; #define BD_FORE bd.bd_dpy->d_fore #endif