Thank you for help. On Fri, Aug 22, 2014 at 7:21 PM, Matthias Felleisen <[email protected]> wrote: > > Think along this minimal example: > > #lang racket/gui > > (define frame (new frame% [label "x"][width 200][height 200])) > > (define button > (new button% > [label "hello world"] > [parent frame] > [callback > (lambda (b e) > (/ 1 0))])) > > (queue-callback > (lambda () > (uncaught-exception-handler > (lambda (xn) > (displayln `(qb ,(exn-message xn))))))) > > (send frame show #t) > > > > > On Aug 22, 2014, at 11:18 AM, Dmitry Cherkassov <[email protected]> wrote: > >> WIll that install my exception handler only for calls under >> `(parameterize uncaught-exception-hamdler () ... )` or for all the >> stuff in GUI thread? >> >> On Fri, Aug 22, 2014 at 6:57 PM, Matthew Flatt <[email protected]> wrote: >>> If you're not already in the handler thread (which is the same as the >>> initial thread for the initial eventspace), then you can use >>> `queue-callback` to run a thunk in the current eventspace's handler >>> thread. >>> >>> At Fri, 22 Aug 2014 18:51:26 +0400, Dmitry Cherkassov wrote: >>>>> Another possibility is to set the `uncaught-exception-handler` parameter >>>>> (in >>>> the eventspace's main thread). >>>> set as dynamic parameter via `parameterize'? >>>> >>>> how do i get to GUI thread to accomplish that? >>>> >>>> >>>> >>>> On Fri, Aug 22, 2014 at 6:37 PM, Matthew Flatt <[email protected]> wrote: >>>>> Another possibility is to set the `uncaught-exception-handler` >>>>> parameter (in the eventspace's main thread). >>>>> >>>>> At Fri, 22 Aug 2014 10:37:35 -0400, Matthias Felleisen wrote: >>>>>> >>>>>> Your question is somewhat generic. You will need to equip each >>>>>> callback/event >>>>>> handler with an exn handler that puts the exception into a channel so >>>>>> that >>>>>> another thread can pick it up. -- Matthias >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On Aug 22, 2014, at 6:58 AM, Dmitry Cherkassov <[email protected]> >>>>>> wrote: >>>>>> >>>>>>> Hi! >>>>>>> >>>>>>> Is it possible to set an exception handler to GUI message loop, so >>>>>>> that any exception thrown in GUI thread can be handled? >>>>>>> >>>>>>> -- >>>>>>> With best regards, >>>>>>> Dmitry >>>>>>> ____________________ >>>>>>> Racket Users list: >>>>>>> http://lists.racket-lang.org/users >>>>>> >>>>>> >>>>>> ____________________ >>>>>> Racket Users list: >>>>>> http://lists.racket-lang.org/users >>>> >>>> >>>> >>>> -- >>>> With best regards, >>>> Dmitry >> >> >> >> -- >> With best regards, >> Dmitry >
-- With best regards, Dmitry ____________________ Racket Users list: http://lists.racket-lang.org/users
