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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) 1995-2024 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>.
*/
#include "prologue.h"
#include <string.h>
#include "log.h"
#include "parameters.h"
#include "brl_cmds.h"
#include "ktb_types.h"
#include "cmd_queue.h"
#include "cmd_learn.h"
#include "learn.h"
#include "async_task.h"
#include "update.h"
#include "message.h"
#include "core.h"
typedef struct {
int timeout;
} LearnModeParameters;
ASYNC_TASK_CALLBACK(presentLearnMode) {
LearnModeParameters *lmp = data;
suspendUpdates();
learnMode(lmp->timeout);
resumeUpdates(1);
free(lmp);
}
static int
handleLearnCommands (int command, void *data) {
switch (command & BRL_MSK_CMD) {
case BRL_CMD_LEARN: {
LearnModeParameters *lmp;
if ((lmp = malloc(sizeof(*lmp)))) {
memset(lmp, 0, sizeof(*lmp));
lmp->timeout = LEARN_MODE_TIMEOUT;
if (asyncAddTask(NULL, presentLearnMode, lmp)) break;
free(lmp);
} else {
logMallocError();
}
brl.hasFailed = 1;
break;
}
default:
return 0;
}
return 1;
}
int
addLearnCommands (void) {
return pushCommandHandler("learn", KTB_CTX_DEFAULT,
handleLearnCommands, NULL, NULL);
}
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