/// <summary>
/// Handles a mouse up event.
/// </summary>
/// <param name="e">The mouse event.</param>
public void MouseUpHandler(MouseEventArgs e)
{
if (_isMoving)
{
Int32 square = VisualPosition.SquareAt(e.Location);
Int32 piece = _currentPosition.Square[square];
if (piece != Piece.Empty && (piece & Colour.Mask) == _currentPosition.SideToMove)
{
_initialSquare = (_initialSquare == square) ? Position.InvalidSquare : square;
}
else
{
_finalSquare = square;
_waitForMove.Set();
}
}
}
/// <summary>
/// Handles a mouse up event in the main window. The selected piece
/// in the analysis control panel is set at the mouse position on the
/// board. This is an unusual thing to do, so this method has to
/// handle the nuances of position state itself.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">The mouse event.</param>
public void WindowMouseUpHandler(MouseEventArgs e)
{
if (_isSearching)
{
return;
}
Int32 square = VisualPosition.SquareAt(e.Location);
if (_selectedPiece == ArrowCode)
{
if (_selectedSquare == Position.InvalidSquare)
{
if (_position.Square[square] != Piece.Empty)
{
_selectedSquare = square;
}
}
else if (_selectedSquare == square)
{
_selectedSquare = Position.InvalidSquare;
}
else
{
Int32 initialSquare = _selectedSquare;
SetPieceAt(_position.Square[initialSquare], square);
SetPieceAt(Piece.Empty, initialSquare);
_selectedSquare = Position.InvalidSquare;
UpdatePosition(_position);
VisualPosition.Make(TMove.Create(_position, initialSquare, square));
}
}
else
{
SetPieceAt(_selectedPiece, square);
UpdatePosition(_position);
VisualPosition.Set(_position);
}
}
