|
1
by Nathaniel McCallum
Import upstream version 4.0.2 |
1 |
/*
|
2 |
* Authors: Hadi Bargi Rangin bargi@dots.physics.orst.edu
|
|
3 |
* Bill Barry barryb@dots.physics.orst.edu
|
|
4 |
* Randy Lundquist randyl@dots.physics.orst.edu
|
|
5 |
*
|
|
6 |
* Modifications Copyright (c) 1995 by
|
|
7 |
* Science Access Project, Oregon State University.
|
|
8 |
*
|
|
9 |
* This program is free software; you can redistribute it and/or modify
|
|
10 |
* it under the terms of the GNU General Public License as published by
|
|
11 |
* the Free Software Foundation; either version 2, or (at your option)
|
|
12 |
* any later version.
|
|
13 |
*
|
|
14 |
* This program is distributed in the hope that it will be useful,
|
|
15 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
16 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
17 |
* GNU General Public License for more details.
|
|
18 |
*
|
|
19 |
* You should have received a copy of the GNU General Public License
|
|
20 |
* along with this program (see the file COPYING); if not, write to the
|
|
21 |
* Free Software Foundation, Inc.,
|
|
22 |
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
|
23 |
*
|
|
24 |
****************************************************************
|
|
25 |
* $Id: braille.h,v 1.1 1995/09/06 15:51:18 jnweiger Exp jnweiger $ FAU
|
|
26 |
*/
|
|
27 |
||
28 |
#ifdef HAVE_BRAILLE
|
|
29 |
||
30 |
extern void StartBraille __P((void)); |
|
31 |
||
32 |
struct braille_display |
|
33 |
{
|
|
34 |
struct display *bd_dpy; /* display we are connected to */ |
|
35 |
int bd_start_braille; /* screenrc var to request to turn braille on */ |
|
36 |
int bd_using_braille; /* all is fine, use braille */ |
|
37 |
struct event bd_readev; |
|
38 |
struct event bd_writeev; |
|
39 |
struct event bd_selectev; |
|
40 |
int bd_fd; /* file descriptor */ |
|
41 |
int bd_obuflen; /* current number of charactors in output buffer */ |
|
42 |
char bd_obuf[IOSIZE]; |
|
43 |
int bd_info; /* default, no info, 0,1,2,3 */ |
|
44 |
int bd_ncrc; /* default 1, numbers of cells on the right side of real cursor, 1...bd_width */ |
|
45 |
int bd_skip; /* default off, on/off */ |
|
46 |
int bd_link; /* default, linked, on/off */ |
|
47 |
int bd_width; /* length of braille display to use, <=bd_ncells */ |
|
48 |
int bd_scroll; /* default on, scroll on/off */ |
|
49 |
char *bd_braille_table; /* braille code */ |
|
50 |
||
51 |
int bd_bell; /* bell used for navigation on/off */ |
|
52 |
int bd_ncells; /* real number of cells on braille display */ |
|
53 |
int bd_eightdot; /* eightdot on/off */ |
|
54 |
int bd_baud; /* communication baudrate between port and braille display */ |
|
55 |
char *bd_port; /* serial port to use */ |
|
56 |
char *bd_type; /* kind of braille display */ |
|
57 |
double bd_version; /* rom version of braille display */ |
|
58 |
char bd_btable[256]; /* braille translation table */ |
|
59 |
||
60 |
/* functions which communicate with braille displays */
|
|
61 |
int (*write_line_braille) __P((char [],int, int)); |
|
62 |
void (*buttonpress) __P((void)); |
|
63 |
int (*bd_response_test) __P((void)); |
|
64 |
||
65 |
int bd_refreshing; /* are we doing a refresh? */ |
|
66 |
char bd_line[40+1]; /* bd_ncells chars displayed on braille */ |
|
67 |
int bd_cursorpos; /* cursor position on braille */ |
|
68 |
char bd_oline[40+1]; /* bd_ncells chars displayed on braille */ |
|
69 |
int bd_sx, bd_sy; /* screen cursor pos */ |
|
70 |
int bd_moved; /* used braille move keys */ |
|
71 |
||
72 |
int bd_searching; /* are we seaching (bd_skip is on) */ |
|
73 |
int bd_searchmax; /* search: max x */ |
|
74 |
int bd_searchmin; /* search: min x */ |
|
75 |
int bd_searchstart; |
|
76 |
int bd_searchend; |
|
77 |
};
|
|
78 |
||
79 |
extern struct braille_display bd; |
|
80 |
||
81 |
#define BD_FORE bd.bd_dpy->d_fore
|
|
82 |
||
83 |
#endif
|