static int
brl_readCommand (BrailleDisplay *brl, KeyTableCommandContext context) {
ResponsePacket packet;
int size;
while ((size = getPacket(&packet))) {
switch (packet.data.code) {
case BN_RSP_ROUTE:
enqueueKey(BN_SET_RoutingKeys, packet.data.values.routingKey);
break;
case BN_RSP_DISPLAY:
doVisualDisplay();
break;
default: {
unsigned char set = BN_SET_NavigationKeys;
unsigned char keys = packet.data.values.dotKeys & 0X3F;
unsigned char base = BN_KEY_Dot1;
unsigned char modifier = 0;
switch (packet.data.code) {
case BN_RSP_CHARACTER:
if (keys) break;
case BN_RSP_SPACE:
modifier = BN_KEY_Space;
break;
case BN_RSP_BACKSPACE:
modifier = BN_KEY_Backspace;
break;
case BN_RSP_ENTER:
modifier = BN_KEY_Enter;
break;
case BN_RSP_THUMB:
keys = packet.data.values.thumbKeys & 0X0F;
base = BN_KEY_Previous;
break;
default:
logUnexpectedPacket(packet.bytes, size);
continue;
}
if (modifier) enqueueKeyEvent(set, modifier, 1);
enqueueKeys(keys, set, base);
if (modifier) enqueueKeyEvent(set, modifier, 0);
break;
}
}
}
return (errno == EAGAIN)? EOF: BRL_CMD_RESTARTBRL;
}
static void convertAndEnqueueScancode(SDL_Scancode code, int isRelease)
{
int ps2Code;
int releaseCode = isRelease ? 0x80 : 0;
if (code <= SDL_SCANCODE_KP_PERIOD)
ps2Code = kSdlToPs2Table[code];
else
{
switch (code)
{
case SDL_SCANCODE_LCTRL:
ps2Code = 0x1d;
break;
case SDL_SCANCODE_LSHIFT:
ps2Code = 0x2a;
break;
case SDL_SCANCODE_LALT:
ps2Code = 0x38;
break;
case SDL_SCANCODE_LGUI:
ps2Code = 0xe05b;
break;
case SDL_SCANCODE_RCTRL:
ps2Code = 0xe01d;
break;
case SDL_SCANCODE_RSHIFT:
ps2Code = 0x36;
break;
case SDL_SCANCODE_RALT:
ps2Code = 0xe038;
break;
case SDL_SCANCODE_RGUI:
ps2Code = 0xe05c;
break;
default:
return;
}
}
if (ps2Code > 0xffff)
{
enqueueKey(ps2Code >> 16);
enqueueKey((ps2Code >> 8) & 0xff);
enqueueKey((ps2Code & 0xff) | releaseCode);
}
static int
interpretKeyCode_MobilLine (BrailleDisplay *brl, unsigned char code) {
if ((code >= brl->data->model->firstRoutingKey) &&
(code < (brl->data->model->firstRoutingKey + brl->textColumns))) {
enqueueKey(brl, HD_GRP_RoutingKeys, (code - brl->data->model->firstRoutingKey));
return 1;
}
{
unsigned char group = (code & 0XF0) >> 4;
if (group <= 2) {
unsigned char shift = group * 4;
KeyNumberSet pressedKeys = (brl->data->pressedKeys & ~(0XF << shift)) | ((code & 0XF) << shift);
enqueueUpdatedKeys(brl, pressedKeys, &brl->data->pressedKeys,
HD_GRP_NavigationKeys, 0);
return 1;
}
}
return 0;
}
static int
brl_readCommand (BrailleDisplay *brl, KeyTableCommandContext context) {
unsigned char packet[MAXIMUM_RESPONSE_SIZE];
size_t size;
while ((size = readPacket(brl, packet, sizeof(packet)))) {
switch (packet[0]) {
case 0XFD:
switch (packet[1]) {
case 0X2F:
continue;
default:
break;
}
break;
case 0XFC: {
unsigned int key = packet[1];
if ((key >= NP_KEY_ROUTING_MIN) && (key <= NP_KEY_ROUTING_MAX)) {
enqueueKey(brl, NP_GRP_RoutingKeys, (key - NP_KEY_ROUTING_MIN));
continue;
} else {
int press = !!(key & NP_KEY_NAVIGATION_PRESS);
if (press) key &= ~NP_KEY_NAVIGATION_PRESS;
enqueueKeyEvent(brl, NP_GRP_NavigationKeys, key, press);
continue;
}
break;
}
}
logUnexpectedPacket(packet, size);
}
return (errno == EAGAIN)? EOF: BRL_CMD_RESTARTBRL;
}
