Introduce Event Services (#1653)

* Allow to enable/disable suspend & lock event handling

* Fix Windows

* Refactor event handling incl.CEC

* Revert "Auxiliary commit to revert individual files from 0d9a8b8a3a4a09609a339f54c7d8a9384c561282"

This reverts commit 80737d926ad151a07b2493dd1685ed502975cb2e.

* Support Events for Grabbers generically

* Have CECEvent to actions configurable, further clean-ups

* Remove handleEvent from V4L2grabber, as grabber will be stopped on suspend

* Validate that one CEC Event can only trigger one action

* MacOS lock/unlock added

* fast windows fix

* Corrections

* Fix CodeQL findings

* add macos lock/unlock handler

* Migration of CEC-config and have default actions

* Correct target_link_libraries

* Include Foundation

* macOS include AppKit

* Support Scheduled Events, cleanups.

* Fix destructing

* Fix coredump during free

* Consider additional error sceanrio

* Fix missing code

* install desktop icons

* correct bash logic

---------

Co-authored-by: Paulchen-Panther <16664240+Paulchen-Panther@users.noreply.github.com>

libsrc/hyperion/GrabberWrapper.cpp

@@ -5,6 +5,7 @@
 
 // utils includes
 #include <utils/GlobalSignals.h>
+#include <events/EventHandler.h>
 
 // qt
 #include <QTimer>
@@ -49,6 +50,8 @@ GrabberWrapper::GrabberWrapper(const QString& grabberName, Grabber * ggrabber, i
 
 	// listen for source requests
 	connect(GlobalSignals::getInstance(), &GlobalSignals::requestSource, this, &GrabberWrapper::handleSourceRequest);
+
+	QObject::connect(EventHandler::getInstance(), &EventHandler::signalEvent, this, &GrabberWrapper::handleEvent);
 }
 
 GrabberWrapper::~GrabberWrapper()
@@ -83,6 +86,11 @@ void GrabberWrapper::stop()
 	}
 }
 
+void GrabberWrapper::handleEvent(Event event)
+{
+	_ggrabber->handleEvent(event);
+}
+
 bool GrabberWrapper::isActive() const
 {
 	return _timer->isActive();