void
KeyboardLayoutView::MouseDown(BPoint point)
{
fClickPoint = point;
fDragKey = NULL;
fDropPoint.x = -1;
Key* key = _KeyAt(point);
if (key == NULL)
return;
int32 buttons = 0;
if (Looper() != NULL && Looper()->CurrentMessage() != NULL)
Looper()->CurrentMessage()->FindInt32("buttons", &buttons);
if ((buttons & B_TERTIARY_MOUSE_BUTTON) != 0
&& (fButtons & B_TERTIARY_MOUSE_BUTTON) == 0) {
// toggle the "deadness" of dead keys via middle mouse button
if (fKeymap != NULL) {
bool isEnabled = false;
uint8 deadKey
= fKeymap->DeadKey(key->code, fModifiers, &isEnabled);
if (deadKey > 0) {
fKeymap->SetDeadKeyEnabled(key->code, fModifiers, !isEnabled);
_InvalidateKey(key);
}
}
} else {
if (fKeymap != NULL && fKeymap->IsModifierKey(key->code)) {
if (_KeyState(key->code)) {
uint32 modifier = fKeymap->Modifier(key->code);
if ((modifier & modifiers()) == 0) {
_SetKeyState(key->code, false);
fModifiers &= ~modifier;
Invalidate();
}
} else {
_SetKeyState(key->code, true);
fModifiers |= fKeymap->Modifier(key->code);
Invalidate();
}
// TODO: if possible, we could handle the lock keys for real
} else {
_SetKeyState(key->code, true);
_InvalidateKey(key);
}
}
fButtons = buttons;
}
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;
}
