public bool Run (IWindowFrameBackend parent, string title, bool supportsAlpha)
{
if (!String.IsNullOrEmpty (title))
dlg.Title = title;
else
dlg.Title = defaultTitle;
dlg.ColorSelection.HasOpacityControl = supportsAlpha;
dlg.ColorSelection.CurrentColor = color.ToGtkValue ();
if (supportsAlpha)
dlg.ColorSelection.CurrentAlpha = (ushort) (((double)ushort.MaxValue) * color.Alpha);
var p = (WindowFrameBackend) parent;
int result = MessageService.RunCustomDialog (dlg, p != null ? p.Window : null);
if (result == (int) Gtk.ResponseType.Ok) {
color = dlg.ColorSelection.CurrentColor.ToXwtValue ();
if (supportsAlpha)
color = color.WithAlpha ((double)dlg.ColorSelection.CurrentAlpha / (double)ushort.MaxValue);
return true;
}
else
return false;
}