Cross script communication with broadcasters

[David Healey]

Just discovered this, useful if you want to link controls of different scripts together without making hard links.

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[David Healey]

Found a weird bug with this.

Move the knob on the interface and the knob in the second MIDI process will move and trigger its callback, outputting to the console.

Now change the value of the combobox, this will set the Interface knob's value and trigger its callback, but the knob in the second processor doesn't get the message.

What's going on?

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[aaronventure]

@David-Healey can't open now but

https://forum.hise.audio/post/86690 related?

[David Healey]

@aaronventure no globals here

[ulrik]

@David-Healey said in Cross script communication with broadcasters:

Move the knob on the interface and the knob in the second MIDI process will move

works here as well

and trigger its callback, outputting to the console.

doesn't trigger here

Now change the value of the combobox, this will set the Interface knob's value and trigger its callback, but the knob in the second processor doesn't get the message.

Same here

[David Healey]

@ulrik Aha thanks, that reminds me of another bug which I fixed and made a PR for last year but Christoph hasn't merged yet.

https://github.com/christophhart/HISE/pull/654

This is why the callback triggers for me.

So the bug is that the message isn't going to the broadcaster when .changed is called programmatically.

Interestingly the broadcaster map shows that the module parameter changes, but the broadcaster doesn't trigger.

[David Healey]

Aha mystery solved, I broke it myself in my fork when I commented out these lines to temporarily fix another problem :p

https://github.com/davidhealey/HISE/commit/21eb98a5c364d7333ee5babaf2a783b408121547