[plt-scheme] change-style

Yes, I do.
Thank you very much.
Romain.

On 7/6/05, Robby Findler <robby at cs.uchicago.edu> wrote:
> I suspect you're changing the definitions text on some thread other
> than drscheme's main eventspace thread. when you do that, you and the
> syntax colorer are going to collide, and you end up with such contract
> violations.
> 
> Probably you want to use queue-callback to run your insertions on
> drscheme's main eventspace thread.
> 
> hth,
> Robby
> 
> At Tue, 5 Jul 2005 20:57:08 +0200, Romain wrote:
> >   For list-related administrative tasks:
> >   http://list.cs.brown.edu/mailman/listinfo/plt-scheme
> >
> > Hello,
> >
> > I have a problem with the 299.106 version of DrScheme.
> > I want to insert some text in the definitions window, so I did
> >
> > (send definitions-text insert "something"  0 'same #t)
> >
> > And then I want to color this.
> > So I did
> >
> > (send definitions-text change-style (send (make-object style-delta%)
> > set-delta-background color) 0 9))
> >
> > And sometimes it works, and most of the time DrScheme tells me
> >
> > sequence-contract-violation: negative: method change-style cannot be
> > called, except in states (unlocked), args #<struct:style%> 9 10 #f
> >
> > I tried to wrap the color code with
> >
> > (send definitions-text can-change-style?)
> > (send definitions-text is-locked?)
> > (send definitions-text  locked-for-flow?)
> > (send definitions-text  locked-for-read?)
> > (send definitions-text  locked-for-write?)
> >
> > and they all said that I can change the style, but I still get the error.
> >
> > Thanks in advance for your help.
> > Sincerly,
> >
> > Romain.
>