void C4KeyboardInput::UpdateKeyCodes(C4CustomKey *pKey, const C4CustomKey::CodeList &rOldCodes, const C4CustomKey::CodeList &rNewCodes)
{
// new key codes must be the new current key codes
assert(pKey->GetCodes() == rNewCodes);
// kill from old list
C4CustomKey::CodeList::const_iterator iCode;
for (iCode = rOldCodes.begin(); iCode != rOldCodes.end(); ++iCode)
{
// no need to kill if code stayed
if (std::find(rNewCodes.begin(), rNewCodes.end(), *iCode) != rNewCodes.end()) continue;
std::pair<KeyCodeMap::iterator, KeyCodeMap::iterator> KeyRange = KeysByCode.equal_range((*iCode).Key);
for (KeyCodeMap::iterator i = KeyRange.first; i != KeyRange.second; ++i)
if (i->second == pKey)
{
KeysByCode.erase(i);
break;
}
}
// readd new codes
for (iCode = rNewCodes.begin(); iCode != rNewCodes.end(); ++iCode)
{
// no double-add if it was in old list already
if (std::find(rOldCodes.begin(), rOldCodes.end(), *iCode) != rOldCodes.end()) continue;
KeysByCode.insert(std::make_pair((*iCode).Key, pKey));
}
}
