add showmodal

covas_mobile_new/lib/pages/ListItemMenu.dart

@@ -853,12 +853,55 @@ class _MyHomePageState extends State<ListItemMenu> {
           ),
         ],
       ),
-      floatingActionButton: FloatingActionButton(
+      floatingActionButton: Column(mainAxisSize: MainAxisSize.min, children: [
+        const SizedBox(height: 12), // espace entre les deux boutons
+        FloatingActionButton(
+          heroTag: "btn2",
+          onPressed: () {
+            // Action du deuxième bouton : ouvrir ton modal
+            showDialog(
+              context: context,
+              builder: (context) {
+                final controller = TextEditingController();
+                return AlertDialog(
+                  title: Text("Nouveau message"),
+                  content: TextField(
+                    controller: controller,
+                    decoration:
+                        InputDecoration(hintText: "Écris ton message..."),
+                  ),
+                  actions: [
+                    TextButton(
+                      onPressed: () => Navigator.pop(context),
+                      child: Text("Annuler"),
+                    ),
+                    ElevatedButton(
+                      onPressed: () {
+                        final msg = controller.text.trim();
+                        if (msg.isNotEmpty) {
+                          print("Message saisi: $msg");
+                          // ➝ ici tu peux envoyer à ton chatbot
+                        }
+                        Navigator.pop(context);
+                      },
+                      child: Text("Envoyer"),
+                    )
+                  ],
+                );
+              },
+            );
+          },
+          backgroundColor: Colors.green,
+          tooltip: 'Chatbot',
+          child: const Icon(Icons.chat, color: Colors.white),
+        ),
+        FloatingActionButton(
           onPressed: popCamera,
           backgroundColor: Colors.blue,
           tooltip: loc?.search ?? 'Recherche',
           child: const Icon(Icons.photo_camera, color: Colors.white),
-      ),
+        )
+      ]),
     );
   }