diff --git a/bin/layers/local_panel/local_panel.cpp b/bin/layers/local_panel/local_panel.cpp
index e6bde8d..44fb369 100755
--- a/bin/layers/local_panel/local_panel.cpp
+++ b/bin/layers/local_panel/local_panel.cpp
@@ -5,21 +5,17 @@ namespace sandbox
 {
   void local_panel::on_attach() 
   {
-    hack::log()("on_attach");
-  }
-
-  void local_panel::on_detach()
-  {
+    VE_CONNECT(local_panel, on_event);
     hack::log()("on_attach");
   }
 
   void local_panel::render()
   {
 
-    if (ImGui::Button("RUN", ImVec2(28, 30))) 
+    if (ImGui::Button("RUN 2", ImVec2(28, 30))) 
     {
       VE::event e { "target_id", test_event::TEST_EVEN , std::string("test event message") };
-      execute(e);
+      EMIT(e);
     }
 
     VE_PUSH_FONT(ICON, 18);
@@ -27,7 +23,7 @@ namespace sandbox
     if (ImGui::Button(VE::style::icon::ICON_STOP, ImVec2(28, 30))) 
     {
       VE::event e { "target_id", test_event::TEST_EVEN , std::string("test icon button") };
-      execute(e);
+      EMIT(e);
     }
 
     ImGui::Text(VE::style::icon::ICON_PAINT_BRUSH, "  Paint" );
diff --git a/bin/layers/opengl_panel/opengl_panel.cpp b/bin/layers/opengl_panel/opengl_panel.cpp
index 7c5900e..ece4fb2 100755
--- a/bin/layers/opengl_panel/opengl_panel.cpp
+++ b/bin/layers/opengl_panel/opengl_panel.cpp
@@ -45,11 +45,7 @@ namespace sandbox
 
   void opengl_panel::on_attach() 
   {
-    hack::log()("on_attach");
-  }
-
-  void opengl_panel::on_detach()
-  {
+    VE_CONNECT(opengl_panel, on_event);
     hack::log()("on_attach");
   }
 
diff --git a/bin/layers/test_panel/test_panel.cpp b/bin/layers/test_panel/test_panel.cpp
index 70329c8..6c965c4 100755
--- a/bin/layers/test_panel/test_panel.cpp
+++ b/bin/layers/test_panel/test_panel.cpp
@@ -5,14 +5,10 @@ namespace sandbox
 {
   void test_panel::on_attach() 
   {
+    VE_CONNECT(test_panel, on_event);
     hack::log()("on_attach", VE::application::get()->get_glfw()->width());
   }
 
-  void test_panel::on_detach()
-  {
-    hack::log()("on_attach");
-  }
-
   void test_panel::render()
   {
     ImGui::SetNextWindowPos(m_pos);
@@ -23,7 +19,7 @@ namespace sandbox
     if (ImGui::Button("RUN", ImVec2(28, 30))) 
     {
       VE::event e { "target_id", test_event::TEST_EVEN , std::string("test event message") };
-      execute(e);
+      EMIT(e);
     }
 
     ImGui::End();
diff --git a/bin/layers/test_panel_2/test_panel_2.cpp b/bin/layers/test_panel_2/test_panel_2.cpp
index c192a52..2db5cbb 100755
--- a/bin/layers/test_panel_2/test_panel_2.cpp
+++ b/bin/layers/test_panel_2/test_panel_2.cpp
@@ -5,11 +5,7 @@ namespace sandbox
 {
   void test_panel_2::on_attach() 
   {
-    hack::log()("on_attach");
-  }
-
-  void test_panel_2::on_detach()
-  {
+    VE_CONNECT(test_panel_2, on_event);
     hack::log()("on_attach");
   }
 
diff --git a/bin/main.cpp b/bin/main.cpp
index 1c178c1..f76ac75 100755
--- a/bin/main.cpp
+++ b/bin/main.cpp
@@ -21,9 +21,6 @@ namespace sandbox
 
 namespace VE
 {
-  // HERE
-  // перенести в VE.hpp
-  // и сделать варитивными параметрами !!!
   inline application& create()
   {
     static sandbox::test_app app{ "vertex_engine_sandbox" };
diff --git a/src/application/application.cpp b/src/application/application.cpp
index 519541e..478d2cd 100755
--- a/src/application/application.cpp
+++ b/src/application/application.cpp
@@ -7,10 +7,7 @@ namespace VE
   application::application(std::string app_name) : m_glfw{ std::make_unique<glfw>() }
   {
     m_instance = std::unique_ptr<application>(this);
-
     m_glfw->init(app_name);
-    m_glfw->set_event_fn(VE_EVENT_FN);
-
     m_gui = std::make_unique<gui>(m_glfw);
   }
 
@@ -42,17 +39,4 @@ namespace VE
   {
     for (auto l : m_layers_stack) l->on_attach();
   }
-
-  void application::set_event_fn()
-  {
-    for (const auto l : m_layers_stack) l->set_event_fn(VE_EVENT_FN);
-  }
-
-  void application::on_event(event e)
-  {
-    if (e.is_parallele) 
-      for (auto l : m_layers_stack) auto future = std::async(std::launch::async, [&]() { l->on_event(e); });
-    else 
-      for (auto l : m_layers_stack) l->on_event(e);
-  }
 }
diff --git a/src/application/application.hpp b/src/application/application.hpp
index 6c13045..991bc87 100755
--- a/src/application/application.hpp
+++ b/src/application/application.hpp
@@ -29,14 +29,11 @@ namespace VE
       { 
         (m_layers_stack.push_back(args), ...); 
         attach_layers();
-        set_event_fn();
       }
 
     private:
       void clear();
       void attach_layers();
-      void set_event_fn();
-      void on_event(event e);
   };
 
   // реализация см. в проекте
diff --git a/src/event/event.hpp b/src/event/event.hpp
index ce6b46f..13094a0 100755
--- a/src/event/event.hpp
+++ b/src/event/event.hpp
@@ -39,4 +39,14 @@ namespace VE
     // как-то не прикольно так !!!
     bool is_parallele{ false };
   };
+
+  struct event_manager : public hack::patterns::singleton<event_manager>
+  {
+    std::vector<VE::event_fn<VE::event>> funcs;
+    void connect(event_fn<event> fn) { funcs.push_back(fn); };
+    void emit(event e)
+    {
+      for(auto& f : funcs) f(e);
+    }
+  };
 }
diff --git a/src/glfw/glfw.cpp b/src/glfw/glfw.cpp
index b407f6c..ba409c2 100755
--- a/src/glfw/glfw.cpp
+++ b/src/glfw/glfw.cpp
@@ -1,8 +1,6 @@
 #include "glfw.hpp"
 
-// #include "renderer/renderer.hpp"
-// #include "event/system_event/category/key_event.hpp"
-// #include "event/system_event/category/window_event.hpp"
+#include "event/event.hpp"
 
 namespace VE
 {
@@ -111,16 +109,10 @@ namespace VE
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
   }
 
-  void glfw::set_event_fn(const event_fn<event>& fn)
-  { 
-    m_win_data.execute = fn; 
-  }
-
   void glfw::set_key_callback()
   {
     glfwSetKeyCallback(m_win, [](GLFWwindow* w, int key, int scancode, int action, int mods)
     {
-      auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
       event e{ event_target::VE, action, key };
 
       // HERE
@@ -148,7 +140,7 @@ namespace VE
 				}
       }
 
-      d->execute(e);
+      EMIT(e);
     });
   }
 
@@ -156,7 +148,6 @@ namespace VE
   {
 		glfwSetMouseButtonCallback(m_win, [](GLFWwindow* w, int button, int action, int mods)
 		{
-      auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
       event e{ event_target::VE, action, button };
 
 			switch (action)
@@ -182,23 +173,15 @@ namespace VE
 				}
 			}
 
-      try
-      {
-        d->execute(e);
-      }
-      catch(std::exception& e)
-      {
-        hack::log()("VE_ERROR: ", e.what());
-      }
+      EMIT(e);
 		});
 
 		glfwSetScrollCallback(m_win, [](GLFWwindow* w, double xOffset, double yOffset)
 		{
-      auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
       try
       {
         event e{ event_target::VE, event_type::MOUSE_SCROLL, std::pair<float, float>{ static_cast<float>(xOffset), static_cast<float>(yOffset) } };
-        d->execute(e);
+        EMIT(e);
       }
       catch(std::exception& e)
       {
@@ -208,11 +191,10 @@ namespace VE
 
 		glfwSetCursorPosCallback(m_win, [](GLFWwindow* w, double xPos, double yPos)
 		{
-      auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
       try
       {
         event e{ event_target::VE, event_type::MOUSE_CURSOR_POSITION, std::pair<float, float>{ static_cast<float>(xPos), static_cast<float>(yPos) } };
-        d->execute(e);
+        EMIT(e);
       }
       catch(std::exception& e)
       {
@@ -234,7 +216,7 @@ namespace VE
       try
       {
         event e{ event_target::VE, event_type::WINDOW_RESIZE, std::pair<float, float>{ static_cast<float>(width), static_cast<float>(height) } };
-        d->execute(e);
+        EMIT(e);
       }
       catch(std::exception& e)
       {
@@ -244,11 +226,10 @@ namespace VE
 
     glfwSetWindowCloseCallback(m_win, [](GLFWwindow* w)
     {
-      auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
       try
       {
         event e{ event_target::VE, event_type::WINDOW_CLOSE, nullptr };
-        d->execute(e);
+        EMIT(e);
       }
       catch(std::exception& e)
       {
@@ -258,11 +239,10 @@ namespace VE
 
     glfwSetWindowFocusCallback(m_win, [](GLFWwindow* w, int focused)
     {
-      auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
       try
       {
         event e{ event_target::VE, event_type::WINDOW_FOCUS, focused };
-        d->execute(e);
+        EMIT(e);
       }
       catch(std::exception& e)
       {
diff --git a/src/glfw/glfw.hpp b/src/glfw/glfw.hpp
index c2ebd96..270a52c 100755
--- a/src/glfw/glfw.hpp
+++ b/src/glfw/glfw.hpp
@@ -2,7 +2,6 @@
 
 #include "utils/utils.hpp" // IWYU pragma: keep
 #include "context/context.hpp"
-#include "event/event.hpp"
 
 namespace VE
 {
@@ -27,7 +26,6 @@ namespace VE
       {
         std::string m_name;
         int m_width, m_height;
-        event_fn<event&> execute; // в using.hpp
       } m_win_data;
 
     public:
@@ -40,8 +38,6 @@ namespace VE
       void update();
       void clear() const;
 
-      void set_event_fn(const event_fn<event>& fn);
-
       private:
         void set_hint();
         void set_window();
diff --git a/src/layer/layer.hpp b/src/layer/layer.hpp
index a7585d6..afc1dd3 100755
--- a/src/layer/layer.hpp
+++ b/src/layer/layer.hpp
@@ -18,12 +18,9 @@ namespace VE
 
     public:
       virtual void on_attach() {};
-      virtual void on_detach() {};
       virtual void render() {};
       virtual void on_event(event e) {};
 
-      void set_event_fn(const event_fn<event>& fn) { execute = fn; };
-
     protected:
       event_fn<event> execute;
   };
diff --git a/src/utils/define.hpp b/src/utils/define.hpp
index 7910a90..7ed1591 100755
--- a/src/utils/define.hpp
+++ b/src/utils/define.hpp
@@ -3,16 +3,15 @@
 #define BIT(x)\
   (1 << x)
 
-#define VE_EVENT_FN\
-  std::bind(&application::on_event, this, std::placeholders::_1)
-
 #define VE_FN_OVERIDE()\
   public:\
     void on_attach() override;\
-    void on_detach() override;\
     void render() override;\
     void on_event(VE::event e) override
 
+#define VE_CONNECT(DEF_CLASS, DEF_FUNCTION) VE::event_manager::instance().connect(std::bind(&DEF_CLASS::DEF_FUNCTION, this, std::placeholders::_1));
+#define EMIT(e) VE::event_manager::instance().emit(e)
+
 #define VE_PUSH_FONT(def_font, def_size)\
   ImGui::PushFont(VE::style::fonts::get_font(VE::style::fonts::font_type::def_font, def_size)) 
 #define VE_POP_FONT() ImGui::PopFont()