diff --git a/bin/layers/opengl_panel/opengl_panel.hpp b/bin/layers/opengl_panel/opengl_panel.hpp
index b84826f..54cb6c4 100755
--- a/bin/layers/opengl_panel/opengl_panel.hpp
+++ b/bin/layers/opengl_panel/opengl_panel.hpp
@@ -85,7 +85,7 @@ namespace sandbox
 
   class opengl_panel : public VE::layer
   {
-    VE_FN_OVERIDE();
+    VE_FN_OVERIDE(opengl_panel, true);
 
     cube m_cb_1;
     cube m_cb_2;
diff --git a/bin/layers/test_panel/test_panel.cpp b/bin/layers/test_panel/test_panel.cpp
index ea41ff1..d9e575e 100755
--- a/bin/layers/test_panel/test_panel.cpp
+++ b/bin/layers/test_panel/test_panel.cpp
@@ -5,7 +5,7 @@ namespace sandbox
 {
   void test_panel::on_attach() 
   {
-    hack::log()("on_attach");
+    hack::log()("on_attach", VE::application::get()->get_glfw()->width());
   }
 
   void test_panel::on_detach()
diff --git a/bin/layers/test_panel/test_panel.hpp b/bin/layers/test_panel/test_panel.hpp
index 6226352..4ae2f4f 100755
--- a/bin/layers/test_panel/test_panel.hpp
+++ b/bin/layers/test_panel/test_panel.hpp
@@ -6,7 +6,7 @@ namespace sandbox
 {
   class test_panel : public VE::layer
   {
-    VE_FN_OVERIDE();
+    VE_FN_OVERIDE(test_panel, false);
 
     ImVec2 m_size = ImVec2{ 600.f, 100.f  };
     ImVec2 m_pos = ImVec2{ 100.f, 100.f };
diff --git a/bin/layers/test_panel_2/test_panel_2.hpp b/bin/layers/test_panel_2/test_panel_2.hpp
index aa8e5ec..8e7f607 100755
--- a/bin/layers/test_panel_2/test_panel_2.hpp
+++ b/bin/layers/test_panel_2/test_panel_2.hpp
@@ -6,7 +6,7 @@ namespace sandbox
 {
   class test_panel_2 : public VE::layer
   {
-    VE_FN_OVERIDE();
+    VE_FN_OVERIDE(test_panel_2, true);
 
     ImVec2 m_size = ImVec2{ 400.f, 400.f };
     ImVec2 m_pos = ImVec2{ 400.f, 400.f };
diff --git a/src/application/application.cpp b/src/application/application.cpp
index 2831cf4..f0430c5 100755
--- a/src/application/application.cpp
+++ b/src/application/application.cpp
@@ -21,7 +21,7 @@ namespace VE
       m_glfw->clear();
 
       m_gui->begin_frame();
-      for (auto l : m_layers_stack) l->render();
+      for (auto l : m_layers_stack) if (l->m_render_permit) l->render();
       m_gui->end_frame();
 
       m_glfw->update();
diff --git a/src/glfw/glfw.cpp b/src/glfw/glfw.cpp
index 9199789..d7370a4 100755
--- a/src/glfw/glfw.cpp
+++ b/src/glfw/glfw.cpp
@@ -91,14 +91,12 @@ namespace VE
 
   int glfw::width() const
   { 
-    auto d = static_cast<win_data*>(glfwGetWindowUserPointer(m_win));
-    return d->m_width; 
+    return m_win_data.m_width; 
   }
 
   int glfw::height() const
   { 
-    auto d = static_cast<win_data*>(glfwGetWindowUserPointer(m_win));
-    return d->m_height; 
+    return m_win_data.m_height; 
   }
 
   void glfw::update()
@@ -200,8 +198,10 @@ namespace VE
     glfwSetWindowSizeCallback(m_win, [](GLFWwindow* w, int width, int height)
     {
       auto d = static_cast<win_data*>(glfwGetWindowUserPointer(w));
+      hack::log()(d->m_width);
       d->m_width = width;
       d->m_height = height;
+      hack::log()(d->m_width);
 
       event e{ event_type::WINDOW_RESIZE, std::pair<float, float>{ static_cast<float>(width), static_cast<float>(height) } };
       d->execute(e);
diff --git a/src/layer/layer.hpp b/src/layer/layer.hpp
index 6b166e1..13c53f1 100755
--- a/src/layer/layer.hpp
+++ b/src/layer/layer.hpp
@@ -10,7 +10,7 @@ namespace VE
     using time = time::timestep<float>;
 
     public:
-      layer() = default;
+      layer(bool p) : m_render_permit { p } {}
       virtual ~layer() = default; 
 
       layer(const layer&) = delete;
@@ -24,6 +24,11 @@ namespace VE
 
       void set_event_fn(const event_fn<event&>& fn) { execute = fn; };
 
+    public:
+      // Внекоторых случаях необходимо чтобы компонент был в системе сигналов, но не
+      // в системе отрисовки. Например при вкладках.
+      bool m_render_permit; 
+
     protected:
       event_fn<event&> execute;
   };
diff --git a/src/utils/define.hpp b/src/utils/define.hpp
index d56e099..0def5c0 100755
--- a/src/utils/define.hpp
+++ b/src/utils/define.hpp
@@ -6,7 +6,9 @@
 #define VE_EVENT_FN\
   std::bind(&application::on_event, this, std::placeholders::_1)
 
-#define VE_FN_OVERIDE()\
+#define VE_FN_OVERIDE(def_class_name, def_render_permit)\
+  public:\
+    def_class_name() : VE::layer { def_render_permit } {}\
   public:\
     void on_attach() override;\
     void on_detach() override;\