The real issue here is that the implementation of text% is not thread-safe (nor are the GUI controls generally speaking). So when you modify them from two threads, strange things can happen.
Robby On Tue, Aug 26, 2014 at 6:11 AM, Eli Barzilay <[email protected]> wrote: > On Tue, Aug 26, 2014 at 6:46 AM, Dmitry Cherkassov > <[email protected]> wrote: >> Thanks for your reply. I've found that `disable`-ing canvas of text editor >> when inserting works too. But with downside that you cant select anything or >> move the cursor when bulk of text strings are inserted. > > Well, that's why I said that you're much better off just doing the > callback -- even if you disable things, you're likely to get the same > problem later on. OTOH, doing a callback is easy, and can be done from > a different thread with no issues, since the actual addition happens > when the GUI is prepared to do so. > > -- > ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay: > http://barzilay.org/ Maze is Life! > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users
