Modifier
uint32 Modifier(uint32 keyCode) const;
uint32 modifiers = fKeymap.Modifier(keycode);
uint32 changedModifiers = keymap.Modifier(keycode);
: fKeymap->Modifier(oldCode) & ~mask, false);
: fKeymap->Modifier(newCode) & ~mask, false);
uint32 modifier = fKeymap->Modifier(key->code);
fModifiers |= fKeymap->Modifier(key->code);
fKeymap->Modifier(fDropTarget->code));
uint32 modifier = fKeymap->Modifier(keyCode);
fKeymap->Modifier(fDropTarget->code));