core: Event loop rework (#5466)

* Event loop rework

* revert missed

src/managers/eventLoop/EventLoopManager.hpp

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <condition_variable>
+#include <mutex>
+#include <memory>
+#include <thread>
+#include <wayland-server.h>
+
+#include "EventLoopTimer.hpp"
+
+class CEventLoopManager {
+  public:
+    void enterLoop(wl_display* display, wl_event_loop* wlEventLoop);
+    void addTimer(std::shared_ptr<CEventLoopTimer> timer);
+    void removeTimer(std::shared_ptr<CEventLoopTimer> timer);
+
+    // recalculates timers
+    void nudgeTimers();
+
+  private:
+    struct {
+        wl_event_loop* loop    = nullptr;
+        wl_display*    display = nullptr;
+        std::thread    pollThread;
+    } m_sWayland;
+
+    struct {
+        std::mutex                                    timersMutex;
+        std::mutex                                    timersRqMutex;
+        std::vector<std::shared_ptr<CEventLoopTimer>> timers;
+        std::thread                                   timerThread;
+        bool                                          event = false;
+        std::condition_variable                       cv;
+    } m_sTimers;
+
+    struct {
+        std::mutex              loopMutex;
+        std::mutex              eventRequestMutex;
+        bool                    event = false;
+        std::condition_variable cv;
+    } m_sLoopState;
+
+    bool m_bTerminate = false;
+};
+
+inline std::unique_ptr<CEventLoopManager> g_pEventLoopManager;