Method getIDForKey

src/lib/platform/MSWindowsKeyState.cpp:1296–1332

}

KeyID MSWindowsKeyState::getIDForKey(
    deskflow::KeyMap::KeyItem &item, KeyButton button, UINT virtualKey, PBYTE keyState, HKL hkl
) const
{
  WCHAR unicode[2];
  int n = m_ToUnicodeEx(virtualKey, button, keyState, unicode, sizeof(unicode) / sizeof(unicode[0]), 0, hkl);
  KeyID id = static_cast<KeyID>(unicode[0]);

  switch (n) {
  case -1: {
    // dead key. add an space to the keyboard so we exit
    // the dead key mode and future calls to this function
    // with different modifiers are not affected.

    BYTE emptyState[256] = {};
    n = m_ToUnicodeEx(VK_SPACE, 0, emptyState, unicode, sizeof(unicode) / sizeof(unicode[0]), 0, hkl);

    // as an alternative, we could use the returned
    // buffer in unicode to look at the dead key character
    // and not rely on getDeadKey to provide the mapping
    return deskflow::KeyMap::getDeadKey(id);
  }
  default:
  case 0:
    // unmapped
    return kKeyNone;

  case 1:
    return id;

  case 2:
    // left over dead key in buffer. this used to recurse,
    // but apparently this causes a stack overflow, so just
    // return no key instead.
    return kKeyNone;
  }
}

void MSWindowsKeyState::addKeyEntry(deskflow::KeyMap &keyMap, deskflow::KeyMap::KeyItem &item)
{