// pass in current control and its upper left screen location, and it will set up the mouse events args for you
private void SetControlLocation(ref GLMouseEventArgs e, GLBaseControl cur)
{
// record control, bounds, and client location
e.Control = cur;
Point ctrlloc = cur.FindScreenCoords(new Point(0, 0)); // we need to find this each time, the control may have been dragged, can't cache it like previous goes at this code!
e.Bounds = cur.Bounds; // in parent co-ords
e.BoundsLocation = new Point(e.ScreenCoord.X - ctrlloc.X, e.ScreenCoord.Y - ctrlloc.Y); // to location in bounds
e.Location = new Point(e.BoundsLocation.X - cur.ClientLeftMargin, e.BoundsLocation.Y - cur.ClientTopMargin); // to location in client rectangle co-ords
// determine logical area
if (e.Location.X < 0)
{
e.Area = GLMouseEventArgs.AreaType.Left;
}
else if (e.Location.X >= cur.ClientWidth)
{
if (e.Location.Y >= cur.ClientHeight)
{
e.Area = GLMouseEventArgs.AreaType.NWSE;
}
else
{
e.Area = GLMouseEventArgs.AreaType.Right;
}
}
else if (e.Location.Y < 0)
{
e.Area = GLMouseEventArgs.AreaType.Top;
}
else if (e.Location.Y >= cur.ClientHeight)
{
e.Area = GLMouseEventArgs.AreaType.Bottom;
}
else
{
e.Area = GLMouseEventArgs.AreaType.Client;
}
// System.Diagnostics.Debug.WriteLine($"Pos {e.WindowLocation} VP {e.ViewportLocation} SC {e.ScreenCoord} BL {e.BoundsLocation} loc {e.Location} {e.Area} {cur.Name} {cur.Bounds}");
}
