protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown (e);
var point = new PointF (e.X, e.Y);
var hitRect = _hitRects.FindNext (hr => hr.Rect.Contains (point));
if (!hitRect.IsEmpty)
{
_focusedPath = new SExprPath (_code, hitRect.First.SExp);
Invalidate ();
}
}
private void Navigate(Keys key)
{
switch (key)
{
case Keys.Down:
_focusedPath = _focusedPath.NextSibling (_code).Item2;
break;
case Keys.Up:
_focusedPath = _focusedPath.PrevSibling (_code).Item2;
break;
case Keys.Left:
_focusedPath = _focusedPath.Previous (_code).Item2;
break;
case Keys.Right:
_focusedPath = _focusedPath.Next (_code).Item2;
break;
}
Invalidate ();
}
