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/*
* 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) 1995-2025 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
*
* Web Page: http://brltty.app/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#ifndef BRLTTY_INCLUDED_BRL
#define BRLTTY_INCLUDED_BRL
#include "prologue.h"
#include "brl_types.h"
#include "ktb_types.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
extern void constructBrailleDisplay (BrailleDisplay *brl);
extern int ensureBrailleBuffer (BrailleDisplay *brl, int infoLevel);
extern void destructBrailleDisplay (BrailleDisplay *brl);
extern void fillTextRegion (
wchar_t *text, unsigned char *dots,
unsigned int start, unsigned int count,
unsigned int columns, unsigned int rows,
const wchar_t *characters, size_t length
);
extern void fillDotsRegion (
wchar_t *text, unsigned char *dots,
unsigned int start, unsigned int count,
unsigned int columns, unsigned int rows,
const unsigned char *cells, size_t length
);
extern int clearStatusCells (BrailleDisplay *brl);
extern int setStatusText (BrailleDisplay *brl, const char *text);
extern int readBrailleCommand (BrailleDisplay *, KeyTableCommandContext);
extern int canRefreshBrailleDisplay (BrailleDisplay *brl);
extern int refreshBrailleDisplay (BrailleDisplay *brl);
extern int canRefreshBrailleRow (BrailleDisplay *brl);
extern int refreshBrailleRow (BrailleDisplay *brl, int row);
extern int canSetBrailleFirmness (BrailleDisplay *brl);
extern int setBrailleFirmness (BrailleDisplay *brl, BrailleFirmness setting);
extern int canSetTouchSensitivity (BrailleDisplay *brl);
extern int setTouchSensitivity (BrailleDisplay *brl, TouchSensitivity setting);
extern int canSetAutorepeatProperties (BrailleDisplay *brl);
extern int setAutorepeatProperties (BrailleDisplay *brl, int on, int delay, int interval);
extern int haveBrailleDriver (const char *code);
extern const char *getDefaultBrailleDriver (void);
extern const BrailleDriver *loadBrailleDriver (const char *code, void **driverObject, const char *driverDirectory);
extern void identifyBrailleDriver (const BrailleDriver *driver, int full);
extern void identifyBrailleDrivers (int full);
extern const BrailleDriver *braille;
extern const BrailleDriver noBraille;
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_BRL */
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