protected virtual void DrawSelection(Cairo.Context graphics)
{
double alpha = 0.2;
if ((d_state & State.SelectedAlt) == 0)
{
graphics.SetSourceRGBA(0, 0, 1, alpha);
}
else
{
graphics.SetSourceRGBA(1, 0, 0, alpha);
}
if (!d_renderer.StrokeSelection(graphics, 0, 0, Allocation.Width, Allocation.Height))
{
graphics.Rectangle(0, 0, Allocation.Width, Allocation.Height);
}
graphics.FillPreserve();
graphics.SetSourceRGBA(0, 0, 0, alpha);
graphics.Stroke();
}