diff --git a/src/app/gui/widgets.cc b/src/app/gui/widgets.cc
index b07cd4d0..b269708c 100644
--- a/src/app/gui/widgets.cc
+++ b/src/app/gui/widgets.cc
@@ -9,7 +9,14 @@
 namespace yaze {
 namespace app {
 namespace gui {
-namespace widgets {
+
+void RenderTabItem(const std::string &title,
+                   const std::function<void()> &render_func) {
+  if (ImGui::BeginTabItem(title.c_str())) {
+    render_func();
+    ImGui::EndTabItem();
+  }
+}
 
 // ============================================================================
 // 65816 LanguageDefinition
@@ -92,7 +99,6 @@ TextEditor::LanguageDefinition GetAssemblyLanguageDef() {
   return language_65816;
 }
 
-}  // namespace widgets
 }  // namespace gui
 }  // namespace app
 }  // namespace yaze
diff --git a/src/app/gui/widgets.h b/src/app/gui/widgets.h
index eda06c34..6f963174 100644
--- a/src/app/gui/widgets.h
+++ b/src/app/gui/widgets.h
@@ -5,6 +5,7 @@
 #include <imgui/imgui.h>
 #include <imgui/misc/cpp/imgui_stdlib.h>
 
+#include <functional>
 #include <vector>
 
 #include "absl/status/status.h"
@@ -14,10 +15,12 @@
 namespace yaze {
 namespace app {
 namespace gui {
-namespace widgets {
 
 TextEditor::LanguageDefinition GetAssemblyLanguageDef();
 
+void RenderTabItem(const std::string& title,
+                   const std::function<void()>& render_func);
+
 class BitmapViewer {
  public:
   BitmapViewer() : current_bitmap_index_(0) {}
@@ -65,7 +68,6 @@ class BitmapViewer {
   int current_bitmap_index_;
 };
 
-}  // namespace widgets
 }  // namespace gui
 }  // namespace app
 }  // namespace yaze