summaryrefslogtreecommitdiffstats
path: root/braille.h
diff options
context:
space:
mode:
Diffstat (limited to 'braille.h')
-rw-r--r--braille.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/braille.h b/braille.h
new file mode 100644
index 0000000..a0cb4e9
--- /dev/null
+++ b/braille.h
@@ -0,0 +1,83 @@
+/*
+ * 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 3, 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, see
+ * http://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
+ *
+ ****************************************************************
+ * $Id$ GNU
+ */
+
+#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