Here I want to send a signal from A component to B component as soon as something happen in A component. And B component can repaint() or call some functions.
I would appreciate it if anyone can give me some advices,. Many thanks!
I would suggest having a look at either Listeners
or ValueTrees
. Both can accomplish what you’re asking. Check out the tutorial… :https://docs.juce.com/master/tutorial_listeners_and_broadcasters.html or there is a great video tutorial here: https://www.youtube.com/watch?v=pTJYowGub6o
Failing that, there is always carrier pigeon
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Ok , thank you very much, I will try your way