private void OnPieceRemoved(object source, Cdn.PieceRemovedArgs args)
{
d_treeview.NodeStore.Remove(args.Piece);
d_lastAddedData = null;
UpdatePreview();
}
private void OnGraphButtonPress(object source, ButtonPressEventArgs args)
{
if (args.Event.Button == 1 &&
args.Event.Type == Gdk.EventType.ButtonPress &&
d_iscubic &&
d_dataLine != null)
{
Point ptx = new Point(args.Event.X, args.Event.Y);
if (StartDrag(ptx))
{
args.RetVal = true;
return;
}
}
if (!d_iscubic || args.Event.Type != Gdk.EventType.TwoButtonPress || args.Event.Button != 1)
{
return;
}
Point pt = d_graph.Graph.PixelToAxis(new Point(args.Event.X, args.Event.Y));
List <Point> added = new List <Point>();
if (d_graph.Graph.SnapRulerToAxis)
{
int factor = d_graph.Graph.SnapRulerToAxisFactor;
if ((args.Event.State & Gdk.ModifierType.ControlMask) != 0)
{
factor *= 2;
}
pt = d_graph.Graph.SnapToAxis(pt, factor);
}
added.Add(pt);
if (d_function.Pieces.Length == 0 && d_lastAddedData != null)
{
added.Add(d_lastAddedData);
}
d_lastAddedData = pt;
UpdatePieces(added.ToArray());
args.RetVal = true;
}