complete left click event handle

engine/app.cpp

@@ -173,13 +173,16 @@ void App::update(float dt)
     if (layout.reload())
     {
         layout[main_id].update(width, height);
+        //Node* check = layout[main_id].find("check");
+        //if (check)
+        //    check->m_display = false;
     }
 
     glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
     glEnable(GL_SCISSOR_TEST);
     for (auto& n : layout[main_id])
     {
-        if (n.m_widget)
+        if (n.m_display && n.m_widget)
         {
             auto box = n.m_widget->clip;
             glScissor((int)box.x, (int)(height - box.y - box.w), (int)box.z, (int)box.w);
@@ -225,7 +228,11 @@ void App::resize(float w, float h)
 
 void App::mouse_down(int button, float x, float y)
 {
+    constexpr auto main_id = const_hash("main");
     printf("mouse click %f %f\n", x, y);
+    MouseEvent e;
+    e.m_pos = { x, y };
+    layout[main_id].on_event(&e);
 }
 void App::mouse_move(float x, float y)
 {