/// <summary>
/// Get instance
/// </summary>
/// <returns>Instance</returns>
public static State Instance()
{
if (_instance == null)
{
_instance = new StateLsOrRsWithChar();
}
return(_instance);
}
/// <summary>
/// Key input hander for this state
/// </summary>
/// <param name="keyCode">Key code</param>
/// <param name="press">Key is pressed or not</param>
/// <param name="result">Output of this state</param>
/// <param name="currentTime">Current time</param>
/// <returns>Next state</returns>
public override State Handle(int keyCode, bool press, List <int> result, long currentTime)
{
if (press && (keyCode == _rsKeyCode || keyCode == _lsKeyCode))
{
if (keyCode == _lsOrRs)
{
// The same Oyayubi Key pressed. Can ignore
return(StateLsOrRs.Instance());
}
// Opposite Oyayubi Key pressed
// No rule -> Update Oyayubi Key
int oldOfs = keyCode;
keyCode = _lsOrRs;
_lsOrRs = (oldOfs == _lsKeyCode) ? _lsKeyCode : _rsKeyCode;
_timeLsOrRsKey = currentTime;
return(StateLsOrRs.Instance());
}
else if (!press && (keyCode == _rsKeyCode || keyCode == _lsKeyCode))
{
// Oyayubi Key released
// Back to initial state
keyCode = _lsOrRs;
return(StateNone.Instance());
}
else if (press)
{
// Char key pressed
_timeCharKey = currentTime;
_keyCode = keyCode;
if (_timeCharKey - _timeLsOrRsKey > _threshold)
{
// Rule 1-1'. Oyayubi ON -> Timeout
keyCode = _lsOrRs;
// Go to Char Key state
return(StateChar.Instance());
}
// Rule 2-1. Oyayubi ON + Char ON -> Char with Oyayubi
return(StateLsOrRsWithChar.Instance());
}
else if (!press)
{
// Char Key released. Can ignore
return(StateLsOrRs.Instance());
}
// Unknown
return(null);
}
/// <summary>
/// Key input hander for this state
/// </summary>
/// <param name="keyCode">Key code</param>
/// <param name="press">Key is pressed or not</param>
/// <param name="result">Output of this state</param>
/// <param name="currentTime">Current time</param>
/// <returns>Next state</returns>
public override State Handle(int keyCode, bool press, List <int> result, long currentTime)
{
if (press && (keyCode == _rsKeyCode || keyCode == _lsKeyCode))
{
if (keyCode == _lsOrRs)
{
// The same Oyayubi Key pressed. Can ignore
return(StateLsOrRsWithChar.Instance());
}
// Opposite Oyayubi Key pressed
// (Char Key with Oyayubi Key1) + (Oyayubi Key2)
// Either of:
// Rule 2-1. Oyayubi ON + Charl ON -> Char with Oyayubi
// Rule 2-2. Char ON + Oyayubi ON -> Char with Oyayubi
// Set Oyayubi Key flag to Char Key
int oldOfs = keyCode;
keyCode = _keyCode;
keyCode |= (int)(_lsOrRs == _lsKeyCode ? WTKeyCode.Custom1 : WTKeyCode.Custom2);
result.Add(keyCode);
// Go to Oyayubi Key2 state
_lsOrRs = (oldOfs == _lsKeyCode) ? _lsKeyCode : _rsKeyCode;
_timeLsOrRsKey = currentTime;
return(StateLsOrRs.Instance());
}
else if (!press && (keyCode == _rsKeyCode || keyCode == _lsKeyCode))
{
// Oyayubi Key released
// Either of:
// Rule 2-1. Oyayubi ON + Charl ON -> Char with Oyayubi
// Rule 2-2. Char ON + Oyayubi ON -> Char with Oyayubi
// Set Oyayubi Key flag to Char Key
keyCode = _keyCode;
keyCode |= (int)(_lsOrRs == _lsKeyCode ? WTKeyCode.Custom1 : WTKeyCode.Custom2);
result.Add(keyCode);
// Back to initial state
return(StateNone.Instance());
}
else if (press)
{
// Char Key pressed
if (_timeLsOrRsKey < _timeCharKey)
{
// (Oyayubi Key with Char Key1) + (Char Key2)
// Rule 2-1. Oyayubi ON + Charl ON -> Char with Oyayubi
// Set Oyayubi Key flag to Char Key1
int tmp = keyCode;
keyCode = _keyCode;
keyCode |= (int)(_lsOrRs == _lsKeyCode ? WTKeyCode.Custom1 : WTKeyCode.Custom2);
result.Add(keyCode);
_timeCharKey = currentTime;
_keyCode = tmp;
// Go to Char Key2 state
return(StateChar.Instance());
}
else
{
long time = currentTime;
if (time - _timeLsOrRsKey > _threshold)
{
// Rule 1-1'. Oyayubi ON -> Timeout (with Char Key2)
// Set Oyayubi Key flag to Char Key1
int tmp = keyCode;
keyCode = _keyCode;
keyCode |= (int)(_lsOrRs == _lsKeyCode ? WTKeyCode.Custom1 : WTKeyCode.Custom2);
result.Add(keyCode);
_timeCharKey = currentTime;
_keyCode = tmp;
// Go to Char Key2 state
return(StateChar.Instance());
}
// Rule 3-1. Char1 ON + Oyayubi ON + Char2 ON
// We have to determine which Char Key the Oyayubi Key is attached to.
if (_timeLsOrRsKey - _timeCharKey <= time - _timeLsOrRsKey)
{
// Rule 3-1a. If (t(Oyayubi) - T(Char1)) <= (t(Char2) - T(Oyayubi)), Char1 with Oyayubi
// Set Oyayubi Key flag to Char Key1
int tmp = keyCode;
keyCode = _keyCode;
keyCode |= (int)(_lsOrRs == _lsKeyCode ? WTKeyCode.Custom1 : WTKeyCode.Custom2);
result.Add(keyCode);
_timeCharKey = currentTime;
_keyCode = tmp;
// Go to Char Key2 state
return(StateChar.Instance());
}
else
{
// Rule 3-1b. If (t(Oyayubi) - T(Char1)) > (t(Char2) - T(Oyayubi)), Char2 with Oyayubi
// Do not set Oyayubi Key flag to Char Key1
int tmp = keyCode;
keyCode = _keyCode;
result.Add(keyCode);
// Go to Char Key2 with Oyayubi Key state
_timeCharKey = time;
_keyCode = tmp;
return(StateLsOrRsWithChar.Instance());
}
}
}
else if (!press)
{
// Char Key released
if (keyCode != _keyCode)
{
// Unrelated Char released. Can ignore
return(StateLsOrRsWithChar.Instance());
}
// Either of:
// Rule 2-1. Oyayubi ON + Charl ON -> Char with Oyayubi
// Rule 2-2. Char ON + Oyayubi ON -> Char with Oyayubi
// Set Oyayubi Key flag to Char Key
keyCode = _keyCode;
keyCode |= (int)(_lsOrRs == _lsKeyCode ? WTKeyCode.Custom1 : WTKeyCode.Custom2);
result.Add(keyCode);
// Back to initial state
return(StateNone.Instance());
}
// Unknown
return(null);
}
/// <summary>
/// Key input hander for this state
/// </summary>
/// <param name="keyCode">Key code</param>
/// <param name="press">Key is pressed or not</param>
/// <param name="result">Output of this state</param>
/// <param name="currentTime">Current time</param>
/// <returns>Next state</returns>
public override State Handle(int keyCode, bool press, List <int> result, long currentTime)
{
if (press && (keyCode == _rsKeyCode || keyCode == _lsKeyCode))
{
// Oyayubi Key pressed.
_timeLsOrRsKey = currentTime;
if (_timeLsOrRsKey - _timeCharKey > _threshold)
{
// Rule 1-1. Char ON -> Timeout
// Process Char Key
int oldOfs = keyCode;
keyCode = _keyCode;
result.Add(keyCode);
// Go to Oyayubi Key state
_lsOrRs = (oldOfs == _lsKeyCode) ? _lsKeyCode : _rsKeyCode;
_timeLsOrRsKey = currentTime;
return(StateLsOrRs.Instance());
}
// Rule 2-2. Char ON + Oyayubi ON -> Char with Oyayubi
_lsOrRs = (keyCode == _lsKeyCode) ? _lsKeyCode : _rsKeyCode;
return(StateLsOrRsWithChar.Instance());
}
else if (!press && (keyCode == _rsKeyCode || keyCode == _lsKeyCode))
{
// Oyayubi Key released. Can ignore
return(StateChar.Instance());
}
else if (press)
{
if (keyCode == _keyCode)
{
// The same Char Key pressed. Can ignore
return(StateChar.Instance());
}
// Rule 1-3. Char1 ON -> Char2 ON -> Char1
// Process Char Key1
int tmp = keyCode;
keyCode = _keyCode;
result.Add(keyCode);
// Char Key2 pressed. Go to Char state.
_timeCharKey = currentTime;
_keyCode = tmp;
return(StateChar.Instance());
}
else if (!press)
{
if (keyCode != _keyCode)
{
// Unrelated Char released. Can ignore
return(StateChar.Instance());
}
// Rule 1-2. Char ON -> Char OFF -> Char
// Process Char Key
keyCode = _keyCode;
result.Add(keyCode);
// Back to initial state
return(StateNone.Instance());
}
// Unknown
return(null);
}
