/// <summary>Hit test this order</summary>
public override ChartControl.HitTestResult.Hit HitTest(PointF chart_point, Point client_point, Keys modifier_keys, View3d.CameraControls cam)
{
// Chart elements can only be modified when selected
// Chart elements can only be selected when control is held down
// Only visible to hit if selected
if (!Selected)
{
return(null);
}
// This Order graphic is hit if the mouse is over one of the control lines.
// Hit testing is done in client space so we can use pixel tolerance
Func <EHitSite, ChartControl.HitTestResult.Hit> Hit = site =>
{
var elem_point = m4x4.Invert(Position) * new v4(chart_point, 0f, 1f);
return(new ChartControl.HitTestResult.Hit(this, new PointF(elem_point.x, elem_point.y), site));
};
const int tolerance = 5;
// Test the price levels
if (Order.State.CanMoveEntryPrice())
{
var client_ep = Chart.ChartToClient(new PointF((float)Chart.XAxis.Min, (float)Order.EntryPrice));
if (Math.Abs(client_ep.Y - client_point.Y) < tolerance)
{
return(Hit(EHitSite.EntryPrice));
}
}
if (Order.State.CanMoveStopLoss())
{
var client_sl = Chart.ChartToClient(new PointF((float)Chart.XAxis.Min, (float)Order.StopLossAbs));
if (Math.Abs(client_sl.Y - client_point.Y) < tolerance)
{
return(Hit(EHitSite.StopLoss));
}
}
if (Order.State.CanMoveTakeProfit())
{
var client_tp = Chart.ChartToClient(new PointF((float)Chart.XAxis.Min, (float)Order.TakeProfitAbs));
if (Math.Abs(client_tp.Y - client_point.Y) < tolerance)
{
return(Hit(EHitSite.TakeProfit));
}
}
// If the order is still modifiable, test the entry/exit times
if (Order.State.CanMoveEntryTime())
{
var x = Instrument.ChartXValue(new TFTime(Order.EntryTimeUTC, Instrument.TimeFrame));
var client_x = Chart.ChartToClient(new PointF((float)x, (float)Chart.YAxis.Min));
if (Math.Abs(client_x.X - client_point.X) < tolerance)
{
return(Hit(EHitSite.EntryTime));
}
}
if (Order.State.CanMoveExpiry())
{
var x = Instrument.ChartXValue(new TFTime(Order.ExitTimeUTC, Instrument.TimeFrame));
var client_x = Chart.ChartToClient(new PointF((float)x, (float)Chart.YAxis.Min));
if (Math.Abs(client_x.X - client_point.X) < tolerance)
{
return(Hit(EHitSite.Expiry));
}
}
// No hit...
return(null);
}
/// <summary>Perform a hit test on this object. Returns null for no hit. 'point' is in client space because typically hit testing uses pixel tolerances</summary>
public override ChartControl.HitTestResult.Hit HitTest(PointF chart_point, Point client_point, Keys modifier_keys, View3d.CameraControls cam)
{
// Find the nearest point to 'client_point' on the line
var chart_pt = chart_point;
var client_pt = Chart.ChartToClient(new PointF(chart_pt.X, (float)Settings.Price));
// If clicked within 'tolerance' of the line
const int tolerance = 3;
if (Math.Abs(client_pt.Y - client_point.Y) < tolerance)
{
return(new ChartControl.HitTestResult.Hit(this, new PointF(chart_pt.X, (float)Settings.Price), null));
}
return(null);
}
