LabelLink FindLink(double px, double py)
{
if (links == null)
{
return(null);
}
var alloc = Label.Allocation;
int offsetX, offsetY;
Label.GetLayoutOffsets(out offsetX, out offsetY);
var x = (px - offsetX + alloc.X) * Pango.Scale.PangoScale;
var y = (py - offsetY + alloc.Y) * Pango.Scale.PangoScale;
int byteIndex, trailing;
if (!Label.Layout.XyToIndex((int)x, (int)y, out byteIndex, out trailing))
{
return(null);
}
foreach (var li in links)
{
if (byteIndex >= li.StartIndex && byteIndex <= li.EndIndex)
{
return(li);
}
}
return(null);
}