benjaminlong/QtTesting — comment on commit 03c35187d3c543f6f70ba7f663f36fa15479c7fb
File: pqEventDispatcher.cxx line 115
By finetjul:

does it makes sense to listen to only 1 signal and not the others ? (e.g. listen to pause only, not start, nor stop ?)
If it doesn't, then you might use a unique signal instead : stateChanged(PauseEnum);