#include <tools/inputstate.h>


//*****************************************************************************************
//    TKey static members
//*****************************************************************************************

const TKey TKey::shift   ( Qt::Key_Shift   , true );
const TKey TKey::control ( Qt::Key_Control , true );
const TKey TKey::alt     ( Qt::Key_Alt     , true );
const TKey TKey::meta    ( Qt::Key_Meta    , true );


Qt::Key
TKey::mapKey(Qt::Key key) {
  switch(key) {
  case Qt::Key_AltGr: return Qt::Key_Alt;
  default: break;
  }
  return key;
}


bool
TKey::isModifier(Qt::Key key) {
  key = mapKey(key);
  return key == Qt::Key_Shift
      || key == Qt::Key_Control
      || key == Qt::Key_Alt
      || key == Qt::Key_AltGr
      || key == Qt::Key_Meta;
}


bool
TKey::isNumber(Qt::Key key) {
  key = mapKey(key);
  return key >= Qt::Key_0 && key <= Qt::Key_9;
}


//*****************************************************************************************
//    TInputState implementation
//*****************************************************************************************

TInputState::TInputState():
  m_ticks(),
  m_keyHistory(new KeyHistory())
  { }

TInputState::~TInputState()
  { }

void
TInputState::touch(TTimerTicks ticks) {
  if (m_ticks < ticks)
    m_ticks = ticks;
  else
    ++m_ticks;
}

TInputState::ButtonHistory::Pointer
TInputState::buttonHistory(DeviceId device) const {
  ButtonHistory::Pointer &history = m_buttonHistories[device];
  if (!history) history = new ButtonHistory();
  return history;
}

TInputState::ButtonState::Pointer
TInputState::buttonFindAny(Button button, DeviceId &outDevice) {
  for(ButtonHistoryMap::const_iterator i = m_buttonHistories.begin(); i != m_buttonHistories.end(); ++i) {
    ButtonState::Pointer state = i->second->current()->find(button);
    if (state) {
      outDevice = i->first;
      return state;
    }
  }
  outDevice = DeviceId();
  return ButtonState::Pointer();
}