protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
_hoverPoint = Point.Empty;
if (_bMouseDown)
{
if (_moveLine != null)
{
if (_moveLineStart)
{
_moveLine.StartPoint.X = e.X;
_moveLine.StartPoint.Y = e.Y;
}
else
{
_moveLine.EndPoint.X = e.X;
_moveLine.EndPoint.Y = e.Y;
}
_moveLine.RecalculateSummaryPoint();
return;
}
_pointEnd = new Point(e.X, e.Y);
}
else
{
Cursor = Cursors.Arrow;
_hoverDepthLine =
TripWires.FirstOrDefault(
d =>
e.X > d.SummaryPoint.X && e.X <d.SummaryPoint.X + d.SummaryWidth &&
e.Y> d.SummaryPoint.Y &&
e.Y < d.SummaryPoint.Y + 15);
if (_hoverDepthLine != null)
{
Cursor = Cursors.Hand;
}
else
{
double minD = 10;
_moveLine = null;
foreach (var dl in TripWires)
{
var d =
Math.Sqrt(Math.Pow(dl.StartPoint.X - e.X, 2) + Math.Pow(dl.StartPoint.Y - e.Y, 2));
if (d < minD)
{
minD = d;
_moveLine = dl;
_moveLineStart = true;
Cursor = Cursors.Hand;
_hoverPoint = dl.StartPoint;
}
d = Math.Sqrt(Math.Pow(dl.EndPoint.X - e.X, 2) + Math.Pow(dl.EndPoint.Y - e.Y, 2));
if (d < minD)
{
minD = d;
_moveLine = dl;
_moveLineStart = false;
Cursor = Cursors.Hand;
_hoverPoint = dl.EndPoint;
}
}
}
}
Invalidate();
}
