Update app.py

app.py

@@ -94,8 +94,6 @@ with gr.Blocks(title="DeepV for RTL (Model-Agnostic)") as demo:
                 )
                 # The copy button is added here
                 copy_button = gr.Button("📋", scale=0)
-                # You can use a more explicit label if you prefer:
-                # copy_button = gr.Button("Copy Code", scale=0)
 
             with gr.Tab("Retrieved Items (names + scores)"):
                 retrieved_list = gr.Textbox(
@@ -112,13 +110,21 @@ with gr.Blocks(title="DeepV for RTL (Model-Agnostic)") as demo:
         outputs=[out_code, retrieved_list, retrieved_raw]
     )
 
-    # --- Copy button functionality ---
-    # This code snippet is a powerful way to add custom behavior without a backend function
-    copy_button.click(
-        None,
-        _js="(text) => navigator.clipboard.writeText(text)",
-        inputs=[out_code]
-    )
+    # Use the `on_event` method to add the copy functionality
+    copy_button.click(None, [out_code], None, _js="""
+        (text) => {
+            if (navigator.clipboard) {
+                navigator.clipboard.writeText(text);
+                return;
+            }
+            const el = document.createElement('textarea');
+            el.value = text;
+            document.body.appendChild(el);
+            el.select();
+            document.execCommand('copy');
+            document.body.removeChild(el);
+        }
+    """)
 
 if __name__ == "__main__":
     if 'agent_module' in locals():