public void mouseDragged(MouseEvent e) {
if (m_draggedFrom != Chess.NO_SQUARE) {
m_draggedX = e.getX();
m_draggedY = e.getY();
repaint();
}
}
public void mousePressed(MouseEvent e) {
if (m_positionMotionListener == null) return;
m_draggedFrom = getSquareForEvent(e);
if (m_positionMotionListener.allowDrag(m_position, m_draggedFrom)) {
m_draggedStone = m_position.getStone(m_draggedFrom);
m_draggedX = e.getX();
m_draggedY = e.getY();
m_draggedPartnerSqi = m_positionMotionListener.getPartnerSqi(m_position, m_draggedFrom);
// TODO mark m_draggedPartnerSqi
repaint();
} else {
m_positionMotionListener.squareClicked(m_position, m_draggedFrom, e);
m_draggedFrom = Chess.NO_SQUARE;
}
}
private int getSquareForEvent(MouseEvent evt) {
int size = getFont().getSize();
return (m_bottom == Chess.WHITE
? Chess.coorToSqi(evt.getX() / size, Chess.NUM_OF_ROWS - evt.getY() / size - 1)
: Chess.coorToSqi(Chess.NUM_OF_COLS - evt.getX() / size, evt.getY() / size - 1));
}