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December 2015

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2 discussions

Re: howto run commonqt asynchronously
by Stas Boukarev 30 Sep '18

30 Sep '18

On Tue, Dec 29, 2015 at 1:08 AM, Orm Finnendahl <orm.finnendahl(a)selma.hfmdk-frankfurt.de> wrote: > Am Dienstag, den 29. Dezember 2015 um 00:54:09 Uhr (+0300) schrieb Stas Boukarev: >> All the GUI stuff has to be done from the same thread (and on some >> OSes it has to be the main thread). >> To communicate with Qt from a different thread use Qt signals, they >> are thread-safe. > > Thanks, that helps! Do you know, why it is impossible to restart the > tutorial example after the thread has finished? Restarting in the > main thread after closing the window is no problem. The only way to > restart the tutorial after running it within sb-threads:make-thread is > to restart sbcl. You can restart it in that thread, but only in that thread. The event loop cannot be restarted, but as long as it's running you can execute and close as many windows as you'd like. -- With best regards, Stas.

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howto run commonqt asynchronously
by Orm Finnendahl 28 Dec '15

28 Dec '15

Hi, I'm looking for a common lisp tool to open multiple gui windows on the fly from the repl for realtime musical applications, like synth modules or graphs for displaying waveforms with cursors moving above them. I haven't found any documentation on this, but my tests seem to indicate that a commonqt application blocks the repl and only one qtapplication can be run at a time. Is there an easy solution for this? I have used mcclim before and it was possible there as every application-frame has its own repl, but I fear mcclim doesn't have the same performance as qt. -- Orm

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