[plt-scheme] unclickable clickbacks in interactions window snips

At Wed, 25 Jan 2006 14:46:33 -0800 (PST), Ryan Culpepper wrote:
> 
> 
> --- Robby Findler <robby at cs.uchicago.edu> wrote:
> 
> > At Tue, 24 Jan 2006 15:41:59 -0800 (PST), Ryan Culpepper wrote:
> > > I discovered that when an expression evaluates to an editor-snip%
> > > object in the DrScheme interactions window, DrScheme actually
> > inserts
> > > the snip into the window. This is wonderful!
> > 
> > If "wonderful" also entails "security hole" we're on the same page
> > ;)
> > 
> > > But if I add clickbacks to the text displayed by the editor, they
> > > aren't activated when I click the text. The clickbacks work as
> > > expected when I put the same object into an editor-canvas in
> > another
> > > frame.
> > > 
> > > Is there anything I can do to get the clickbacks to work, or does
> > > DrScheme intentionally block clickbacks from user snips? (The
> > > editor-snip is not created by a tool, just by an ordinary MrEd
> > > program.)
> > 
> > You probably need to override the copy method (that's just a guess,
> > but that's usually what gets missed in this situation).
> 
> To clarify: I'm not creating a new subclass of snip%, I'm just
> putting some things in an instance of an editor-snip%. That class
> already seems to implement the copy method (at least, I can display
> them multiple times in the interactions window, and I can copy and
> paste them).

I understand. you need to override the copy method to make sure you
modifications make it into the copy, I guess.

Did you try it?

Robby