void
KeyboardLayoutView::_KeyChanged(const BMessage* message)
{
const uint8* state;
ssize_t size;
int32 key;
if (message->FindData("states", B_UINT8_TYPE, (const void**)&state, &size)
!= B_OK
|| message->FindInt32("key", &key) != B_OK)
return;
// Update key state, and invalidate change keys
bool checkSingle = true;
if (message->what == B_KEY_DOWN || message->what == B_UNMAPPED_KEY_DOWN) {
if (_HandleDeadKey(key, fModifiers))
checkSingle = false;
if (_KeyForCode(key) == NULL)
printf("no key for code %" B_PRId32 "\n", key);
}
for (int32 i = 0; i < 16; i++) {
if (fKeyState[i] != state[i]) {
uint8 diff = fKeyState[i] ^ state[i];
fKeyState[i] = state[i];
if (!checkSingle || !Window()->IsActive())
continue;
for (int32 j = 7; diff != 0; j--, diff >>= 1) {
if (diff & 1) {
_InvalidateKey(i * 8 + j);
}
}
}
}
void
KeyboardLayoutView::MouseUp(BPoint point)
{
Key* key = _KeyAt(fClickPoint);
int32 buttons = 0;
if (Looper() != NULL && Looper()->CurrentMessage() != NULL)
Looper()->CurrentMessage()->FindInt32("buttons", &buttons);
if (key != NULL) {
if ((fButtons & B_TERTIARY_MOUSE_BUTTON) != 0
&& (buttons & B_TERTIARY_MOUSE_BUTTON) == 0) {
_SetKeyState(key->code, false);
_InvalidateKey(key);
fButtons = buttons;
} else {
fButtons = buttons;
// modifier keys are sticky when used with the mouse
if (fKeymap != NULL && fKeymap->IsModifierKey(key->code))
return;
_SetKeyState(key->code, false);
if (_HandleDeadKey(key->code, fModifiers) && fDeadKey != 0)
return;
_InvalidateKey(key);
if (fDragKey == NULL && fKeymap != NULL) {
// Send fake key down message to target
_SendFakeKeyDown(key);
}
}
}
fDragKey = NULL;
}
