1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2014 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU General Public License, as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any
* later version. Please see the file LICENSE-GPL for details.
*
* Web Page: http://mielke.cc/brltty/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#include "prologue.h"
#include <stdio.h>
#include "cmd_brlapi.h"
#include "brl_cmds.h"
#include "ttb.h"
#ifdef ENABLE_API
static brlapi_keyCode_t
cmdWCharToBrlapi (wchar_t wc) {
if (iswLatin1(wc)) {
/* latin1 character */
return BRLAPI_KEY_TYPE_SYM | wc;
} else {
/* unicode character */
return BRLAPI_KEY_TYPE_SYM | BRLAPI_KEY_SYM_UNICODE | wc;
}
}
brlapi_keyCode_t
cmdBrlttyToBrlapi (int command, int retainDots) {
brlapi_keyCode_t code;
int arg = BRL_ARG_GET(command);
int blk = command & BRL_MSK_BLK;
switch (blk) {
case BRL_CMD_BLK(PASSCHAR):
code = cmdWCharToBrlapi(arg);
break;
case BRL_CMD_BLK(PASSDOTS):
if (retainDots) {
if (arg == (BRLAPI_DOTC >> BRLAPI_KEY_CMD_ARG_SHIFT)) arg = 0;
goto doDefault;
}
code = cmdWCharToBrlapi(convertDotsToCharacter(textTable, arg));
break;
case BRL_CMD_BLK(PASSKEY):
switch (arg) {
case BRL_KEY_ENTER: code = BRLAPI_KEY_SYM_LINEFEED; break;
case BRL_KEY_TAB: code = BRLAPI_KEY_SYM_TAB; break;
case BRL_KEY_BACKSPACE: code = BRLAPI_KEY_SYM_BACKSPACE; break;
case BRL_KEY_ESCAPE: code = BRLAPI_KEY_SYM_ESCAPE; break;
case BRL_KEY_CURSOR_LEFT: code = BRLAPI_KEY_SYM_LEFT; break;
case BRL_KEY_CURSOR_RIGHT: code = BRLAPI_KEY_SYM_RIGHT; break;
case BRL_KEY_CURSOR_UP: code = BRLAPI_KEY_SYM_UP; break;
case BRL_KEY_CURSOR_DOWN: code = BRLAPI_KEY_SYM_DOWN; break;
case BRL_KEY_PAGE_UP: code = BRLAPI_KEY_SYM_PAGE_UP; break;
case BRL_KEY_PAGE_DOWN: code = BRLAPI_KEY_SYM_PAGE_DOWN; break;
case BRL_KEY_HOME: code = BRLAPI_KEY_SYM_HOME; break;
case BRL_KEY_END: code = BRLAPI_KEY_SYM_END; break;
case BRL_KEY_INSERT: code = BRLAPI_KEY_SYM_INSERT; break;
case BRL_KEY_DELETE: code = BRLAPI_KEY_SYM_DELETE; break;
default: code = BRLAPI_KEY_SYM_FUNCTION + arg - BRL_KEY_FUNCTION; break;
}
break;
default:
doDefault:
code = BRLAPI_KEY_TYPE_CMD
| (blk >> BRL_SHIFT_BLK << BRLAPI_KEY_CMD_BLK_SHIFT)
| (arg << BRLAPI_KEY_CMD_ARG_SHIFT)
;
break;
}
if (blk == BRL_CMD_BLK(GOTOLINE))
code = code
| (command & BRL_FLG_LINE_SCALED ? BRLAPI_KEY_FLG_LINE_SCALED : 0)
| (command & BRL_FLG_LINE_TOLEFT ? BRLAPI_KEY_FLG_LINE_TOLEFT : 0)
;
if (blk == BRL_CMD_BLK(PASSCHAR)
|| blk == BRL_CMD_BLK(PASSKEY)
|| blk == BRL_CMD_BLK(PASSDOTS))
code = code
| (command & BRL_FLG_CHAR_CONTROL ? BRLAPI_KEY_FLG_CONTROL : 0)
| (command & BRL_FLG_CHAR_META ? BRLAPI_KEY_FLG_META : 0)
| (command & BRL_FLG_CHAR_UPPER ? BRLAPI_KEY_FLG_UPPER : 0)
| (command & BRL_FLG_CHAR_SHIFT ? BRLAPI_KEY_FLG_SHIFT : 0)
;
else
code = code
| (command & BRL_FLG_TOGGLE_ON ? BRLAPI_KEY_FLG_TOGGLE_ON : 0)
| (command & BRL_FLG_TOGGLE_OFF ? BRLAPI_KEY_FLG_TOGGLE_OFF : 0)
| (command & BRL_FLG_MOTION_ROUTE ? BRLAPI_KEY_FLG_MOTION_ROUTE : 0)
;
return code
;
}
int
cmdBrlapiToBrltty (brlapi_keyCode_t code) {
int cmd;
switch (code & BRLAPI_KEY_TYPE_MASK) {
case BRLAPI_KEY_TYPE_CMD:
cmd = BRL_BLK((code&BRLAPI_KEY_CMD_BLK_MASK)>>BRLAPI_KEY_CMD_BLK_SHIFT)
| BRL_ARG_SET((code&BRLAPI_KEY_CMD_ARG_MASK)>>BRLAPI_KEY_CMD_ARG_SHIFT);
break;
case BRLAPI_KEY_TYPE_SYM: {
unsigned long keysym;
keysym = code & BRLAPI_KEY_CODE_MASK;
switch (keysym) {
case BRLAPI_KEY_SYM_BACKSPACE: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_BACKSPACE; break;
case BRLAPI_KEY_SYM_TAB: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_TAB; break;
case BRLAPI_KEY_SYM_LINEFEED: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_ENTER; break;
case BRLAPI_KEY_SYM_ESCAPE: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_ESCAPE; break;
case BRLAPI_KEY_SYM_HOME: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_HOME; break;
case BRLAPI_KEY_SYM_LEFT: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_CURSOR_LEFT; break;
case BRLAPI_KEY_SYM_UP: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_CURSOR_UP; break;
case BRLAPI_KEY_SYM_RIGHT: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_CURSOR_RIGHT; break;
case BRLAPI_KEY_SYM_DOWN: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_CURSOR_DOWN; break;
case BRLAPI_KEY_SYM_PAGE_UP: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_PAGE_UP; break;
case BRLAPI_KEY_SYM_PAGE_DOWN: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_PAGE_DOWN; break;
case BRLAPI_KEY_SYM_END: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_END; break;
case BRLAPI_KEY_SYM_INSERT: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_INSERT; break;
case BRLAPI_KEY_SYM_DELETE: cmd = BRL_CMD_BLK(PASSKEY)|BRL_KEY_DELETE; break;
default:
if (keysym >= BRLAPI_KEY_SYM_FUNCTION && keysym <= BRLAPI_KEY_SYM_FUNCTION + 34)
cmd = BRL_CMD_BLK(PASSKEY) | (BRL_KEY_FUNCTION + keysym - BRLAPI_KEY_SYM_FUNCTION);
else if (keysym < 0x100 || (keysym & 0x1F000000) == BRLAPI_KEY_SYM_UNICODE) {
wchar_t c = keysym & 0xFFFFFF;
cmd = BRL_CMD_BLK(PASSCHAR) | BRL_ARG_SET(c);
} else return EOF;
break;
}
break;
}
default:
return EOF;
}
return cmd
| (code & BRLAPI_KEY_FLG_TOGGLE_ON ? BRL_FLG_TOGGLE_ON : 0)
| (code & BRLAPI_KEY_FLG_TOGGLE_OFF ? BRL_FLG_TOGGLE_OFF : 0)
| (code & BRLAPI_KEY_FLG_MOTION_ROUTE ? BRL_FLG_MOTION_ROUTE : 0)
| (code & BRLAPI_KEY_FLG_LINE_SCALED ? BRL_FLG_LINE_SCALED : 0)
| (code & BRLAPI_KEY_FLG_LINE_TOLEFT ? BRL_FLG_LINE_TOLEFT : 0)
| (code & BRLAPI_KEY_FLG_CONTROL ? BRL_FLG_CHAR_CONTROL : 0)
| (code & BRLAPI_KEY_FLG_META ? BRL_FLG_CHAR_META : 0)
| (code & BRLAPI_KEY_FLG_UPPER ? BRL_FLG_CHAR_UPPER : 0)
| (code & BRLAPI_KEY_FLG_SHIFT ? BRL_FLG_CHAR_SHIFT : 0)
;
}
#endif /* ENABLE_API */
|
