presenter_extension.php

<?php

use Nette\Application\UI\Presenter;
use Nette\DI\CompilerExtension;



/**
 * Auto register presenters as services
 * @author Martin Bažík <[email protected]>
 */
class PresenterExtension extends CompilerExtension
{

	private $defaults = [
		'robotLoaderVarName' => 'robotLoader'
	];


	public function loadConfiguration()
	{
		$config = $this->getConfig($this->defaults);
		$builder = $this->getContainerBuilder();

		$robotLoaderVarName = $config['robotLoaderVarName'];
		global $$robotLoaderVarName;

		$classes = $$robotLoaderVarName->getIndexedClasses();
		foreach ($classes as $class => $file) {
			$r = new ReflectionClass($class);
			if (!$r->isAbstract() and $r->isSubclassOf(Presenter::class)) {
				$defName = str_replace('\\', '_', $r->getName());
				$builder
						->addDefinition($defName)
						->setClass($class)
						->setAutowired(FALSE)
				;
			}
		}
	}


}

I've got more time for testing now and had problem:

1. with inject as you wrote Filip
2. and autowired property in trait. Had to made it public to make it work.

I really don't understand the output of your discussion with David. Could you sum up pls?