add on attach for emit signal

bin/layers/local_panel/local_panel.cpp

@@ -12,7 +12,7 @@ namespace sandbox
   void local_panel::render()
   {
 
-    if (ImGui::Button("RUN thread", ImVec2(28, 30))) 
+    if (ImGui::Button("RUN thread", ImVec2(128, 130))) 
     {
       auto f = []() 
       {

bin/layers/local_panel/local_panel.hpp

@@ -8,7 +8,7 @@ namespace sandbox
   {
     VE_FN_OVERIDE();
 
-    ImVec2 m_size = ImVec2{ 400.f, 400.f };
+    ImVec2 m_size = ImVec2{ 800.f, 400.f };
     ImVec2 m_pos = ImVec2{ 400.f, 400.f };
   };
 }

bin/layers/test_panel/test_panel.cpp

@@ -16,9 +16,9 @@ namespace sandbox
 
     if (!ImGui::Begin("#test_panel_1", &m_p_open, m_window_flags)) ImGui::End();
 
-    if (ImGui::Button("RUN", ImVec2(28, 30))) 
+    if (ImGui::Button("RUN test_panel_1", ImVec2(128, 130))) 
     {
-      VE::event e { test_event::TEST_EVEN , std::string("test event message") };
+      VE::event e { test_event::TEST_EVEN , std::string("test event message tp 1") };
       VE_EMIT(e);
     }
 
@@ -33,6 +33,13 @@ namespace sandbox
       if (t == VE::event_type::MOUSE_BUTTON_DOUBLE_PRESSED) hack::log()("double");
       if (t == VE::event_type::MOUSE_BUTTON_PRESSED) hack::log()("once");
     }
+
+    if (e.m_type.type() == typeid(test_event))
+    {
+      auto t = std::any_cast<test_event>(e.m_type);
+      if (t == test_event::TEST_EVEN)
+        hack::log()(std::any_cast<std::string>(e.m_data));
+    }
   }
 
   void test_panel::update()

bin/main.cpp

@@ -1,6 +1,7 @@
 #include "layers/test_panel/test_panel.hpp"
 #include "layers/test_panel_2/test_panel_2.hpp"
 #include "layers/opengl_panel/opengl_panel.hpp"
+#include "layers/local_panel/local_panel.hpp"
 
 namespace sandbox
 {
@@ -9,13 +10,6 @@ namespace sandbox
     public:
       test_app(std::string app_name) : VE::application{ app_name } {};
       ~test_app() = default;
-
-    public:
-      template<typename... Args>
-      void push_layer(Args... args) 
-      { 
-        this->VE::application::push_layer(args...); 
-      }
   };
 }
 
@@ -31,6 +25,13 @@ namespace VE
       new sandbox::opengl_panel{}
     );
 
+    app.on_attach(
+      new sandbox::test_panel{},
+      new sandbox::test_panel_2{},
+      new sandbox::opengl_panel{},
+      new sandbox::local_panel{}
+    );
+
     return app;
   }
 }

src/application/application.cpp

@@ -34,9 +34,4 @@ namespace VE
   {
     return m_instance;
   }
-
-  void application::attach_layers()
-  {
-    for (auto l : m_layers_stack) l->on_attach();
-  }
 }

src/application/application.hpp

@@ -28,7 +28,12 @@ namespace VE
       void push_layer(Args*... args) 
       { 
         (m_layers_stack.push_back(args), ...); 
-        attach_layers();
+      }
+
+      template<typename... Args>
+      void on_attach(Args*... args) 
+      { 
+        (args->on_attach(), ...);
       }
 
     private: