static void showKeyCodes(void)
{
int res;
brlapi_keyCode_t cmd;
char buf[0X100];
fprintf(stderr,"Entering keycode learn mode\n");
if (brlapi_getDriverName(buf, sizeof(buf))==-1) {
brlapi_perror("getDriverName");
return;
}
if (brlapi_enterTtyMode(-1, buf)<0) {
brlapi_perror("enterTtyMode");
return;
}
if (brlapi_acceptAllKeys()==-1) {
brlapi_perror("acceptAllKeys");
return;
}
if (brlapi_writeText(BRLAPI_CURSOR_OFF, "show key codes")<0) {
brlapi_perror("brlapi_writeText");
exit(PROG_EXIT_FATAL);
}
while ((res = brlapi_readKey(1, &cmd)) != -1) {
sprintf(buf, "0X%" BRLAPI_PRIxKEYCODE " (%" BRLAPI_PRIuKEYCODE ")",cmd, cmd);
brlapi_writeText(BRLAPI_CURSOR_OFF, buf);
fprintf(stderr, "%s\n", buf);
}
brlapi_perror("brlapi_readKey");
}
static void enterLearnMode(void)
{
int res;
brlapi_keyCode_t code;
int cmd;
char buf[0X100];
fprintf(stderr,"Entering command learn mode\n");
if (brlapi_enterTtyMode(-1, NULL)<0) {
brlapi_perror("enterTtyMode");
return;
}
if (brlapi_writeText(BRLAPI_CURSOR_OFF, "command learn mode")<0) {
brlapi_perror("brlapi_writeText");
exit(PROG_EXIT_FATAL);
}
while ((res = brlapi_readKey(1, &code)) != -1) {
fprintf(stderr, "got key %016"BRLAPI_PRIxKEYCODE"\n",code);
cmd = cmdBrlapiToBrltty(code);
describeCommand(cmd, buf, sizeof(buf),
CDO_IncludeName | CDO_IncludeOperand);
brlapi_writeText(BRLAPI_CURSOR_OFF, buf);
fprintf(stderr, "%s\n", buf);
if (cmd==BRL_CMD_LEARN) return;
}
brlapi_perror("brlapi_readKey");
}
bool BDevice::enableAccessibilityMode()
{
if (! this->accessibilityMode)
if (brlapi_enterTtyMode(BRLAPI_TTY_DEFAULT, NULL) >= 0)
this->accessibilityMode = true;
return (this->accessibilityMode);
}
static void showDots(void)
{
unsigned int x, y;
brlapi_keyCode_t k;
if (brlapi_getDisplaySize(&x, &y)<0) {
brlapi_perror("failed");
exit(PROG_EXIT_FATAL);
}
if (brlapi_enterTtyMode(-1, NULL)<0) {
brlapi_perror("enterTtyMode");
exit(PROG_EXIT_FATAL);
}
if (x*y<DOTS_TOTALLEN) {
fprintf(stderr,"can't show dots with a braille display with less than %d cells\n",(int)DOTS_TOTALLEN);
exit(PROG_EXIT_SEMANTIC);
}
{
char text[x*y+1];
unsigned char or[x*y];
brlapi_writeArguments_t wa = BRLAPI_WRITEARGUMENTS_INITIALIZER;
fprintf(stderr,"Showing dot patterns\n");
memcpy(text,DOTS_TEXT,DOTS_TEXTLEN);
memset(text+DOTS_TEXTLEN,' ',sizeof(text)-DOTS_TEXTLEN);
text[x*y] = 0;
wa.regionBegin = 1;
wa.regionSize = sizeof(or);
wa.text = text;
memset(or,0,sizeof(or));
or[DOTS_TEXTLEN+0] = BRL_DOT_1;
or[DOTS_TEXTLEN+1] = BRL_DOT_2;
or[DOTS_TEXTLEN+2] = BRL_DOT_3;
or[DOTS_TEXTLEN+3] = BRL_DOT_4;
or[DOTS_TEXTLEN+4] = BRL_DOT_5;
or[DOTS_TEXTLEN+5] = BRL_DOT_6;
or[DOTS_TEXTLEN+6] = BRL_DOT_7;
or[DOTS_TEXTLEN+7] = BRL_DOT_8;
wa.orMask = or;
if (brlapi_write(&wa)<0) {
brlapi_perror("brlapi_write");
exit(PROG_EXIT_FATAL);
}
}
brlapi_readKey(1, &k);
}
