Button::onClick

[chkn]

And with multiple listeners? You may override accidentally other “listeners” with this approach.

Here is another approach:

Scoped-Listeners / Modernize listeners

I’ve made this little class, and it really revolutionised my programming style. Its a scoped listener, and very easily combines the listener (old-school) functionality with the ability to attach std::function lambdas to it (a more modern approach). It’s not a very sophisticated, its very plain and simple. Example: class TestComponent : public Component { public: TestComponent( ColourSelector* selector, MidiKeyboardComponent* keyboard ) { // attach updateUI to the ChangeBroadcaster of Col…