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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/*
* 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>.
*/
#ifndef BRLTTY_INCLUDED_BRLTTY
#define BRLTTY_INCLUDED_BRLTTY
#include "prologue.h"
#include "program.h"
#include "timing.h"
#include "cmd.h"
#include "brl.h"
#include "spk.h"
#include "scr_types.h"
#include "ses.h"
#include "ctb.h"
#include "ktb.h"
#include "prefs.h"
#include "profile_types.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
extern ScreenDescription scr;
#define SCR_COORDINATE_OK(coordinate,limit) (((coordinate) >= 0) && ((coordinate) < (limit)))
#define SCR_COLUMN_OK(column) SCR_COORDINATE_OK((column), scr.cols)
#define SCR_ROW_OK(row) SCR_COORDINATE_OK((row), scr.rows)
#define SCR_COORDINATES_OK(column,row) (SCR_COLUMN_OK((column)) && SCR_ROW_OK((row)))
#define SCR_CURSOR_OK() SCR_COORDINATES_OK(scr.posx, scr.posy)
#define SCR_COLUMN_NUMBER(column) (SCR_COLUMN_OK((column))? (column)+1: 0)
#define SCR_ROW_NUMBER(row) (SCR_ROW_OK((row))? (row)+1: 0)
extern void updateSessionAttributes (void);
extern SessionEntry *ses;
typedef int (*IsSameCharacter) (
const ScreenCharacter *character1,
const ScreenCharacter *character2
);
extern int isSameText (
const ScreenCharacter *character1,
const ScreenCharacter *character2
);
extern int isSameAttributes (
const ScreenCharacter *character1,
const ScreenCharacter *character2
);
extern int isSameRow (
const ScreenCharacter *characters1,
const ScreenCharacter *characters2,
int count,
IsSameCharacter isSameCharacter
);
extern unsigned char infoMode;
extern int canBraille (void);
extern int writeBrailleCharacters (const char *mode, const wchar_t *characters, size_t length);
extern void fillStatusSeparator (wchar_t *text, unsigned char *dots);
extern int writeBrailleText (const char *mode, const char *text);
extern int showBrailleText (const char *mode, const char *text, int minimumDelay);
extern char *opt_tablesDirectory;
extern char *opt_textTable;
extern char *opt_attributesTable;
extern char *opt_contractionTable;
extern char *opt_keyboardTable;
extern int opt_releaseDevice;
extern void placeRightEdge (int column);
extern void placeWindowRight (void);
extern void placeWindowHorizontally (int x);
extern int moveWindowLeft (unsigned int amount);
extern int moveWindowRight (unsigned int amount);
extern int shiftWindowLeft (unsigned int amount);
extern int shiftWindowRight (unsigned int amount);
extern void slideWindowVertically (int y);
extern int showCursor (void);
extern int trackCursor (int place);
typedef struct {
TimeValue value;
TimeComponents components;
const char *meridian;
} TimeFormattingData;
extern void getTimeFormattingData (TimeFormattingData *fmt);
extern size_t formatBrailleTime (char *buffer, size_t size, const TimeFormattingData *fmt);
#ifdef ENABLE_CONTRACTED_BRAILLE
extern int isContracted;
extern int contractedLength;
extern int contractedStart;
extern int contractedOffsets[0X100];
extern int contractedTrack;
extern int isContracting (void);
extern int getUncontractedCursorOffset (int x, int y);
extern int getContractedCursor (void);
extern int getContractedLength (unsigned int outputLimit);
#endif /* ENABLE_CONTRACTED_BRAILLE */
extern ContractionTable *contractionTable;
extern KeyTable *keyboardTable;
extern ProgramExitStatus brlttyPrepare (int argc, char *argv[]);
extern ProgramExitStatus brlttyStart (void);
extern void setPreferences (const Preferences *newPreferences);
extern int loadPreferences (void);
extern int savePreferences (void);
extern unsigned char getCursorDots (void);
extern BrailleDisplay brl; /* braille driver reference */
extern unsigned int textStart;
extern unsigned int textCount;
extern unsigned char textMaximized;
extern unsigned int statusStart;
extern unsigned int statusCount;
extern unsigned int fullWindowShift; /* Full window horizontal distance */
extern unsigned int halfWindowShift; /* Half window horizontal distance */
extern unsigned int verticalWindowShift; /* Window vertical distance */
extern int constructBrailleDriver (void);
extern void destructBrailleDriver (void);
extern void reconfigureWindow (void);
extern int haveStatusCells (void);
typedef enum {
SCT_WORD,
SCT_NONWORD,
SCT_SPACE
} ScreenCharacterType;
extern ScreenCharacterType getScreenCharacterType (const ScreenCharacter *character);
extern int findFirstNonSpaceCharacter (const ScreenCharacter *characters, int count);
extern int findLastNonSpaceCharacter (const ScreenCharacter *characters, int count);
extern int isAllSpaceCharacters (const ScreenCharacter *characters, int count);
#ifdef ENABLE_SPEECH_SUPPORT
extern volatile SpeechSynthesizer spk;
extern int opt_quietIfNoBraille;
extern int autospeak (void);
extern void endAutospeakDelay (void);
extern void sayScreenCharacters (const ScreenCharacter *characters, size_t count, SayOptions options);
extern void speakCharacters (const ScreenCharacter *characters, size_t count, int spell);
extern void trackSpeech (void);
extern int constructSpeechDriver (void);
extern void destructSpeechDriver (void);
#endif /* ENABLE_SPEECH_SUPPORT */
#ifdef __MINGW32__
extern int isWindowsService;
#endif /* __MINGW32__ */
extern const ProfileDescriptor languageProfile;
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_BRLTTY */
|
