fix[close #3544]: Clicking on a snapshot instantly starts the restore…

… process (and is not abortable)

bottles/frontend/widgets/state.py

@@ -76,24 +76,39 @@ def set_state(self, widget):
         """
         Set the bottle state to this one.
         """
-        self.queue.add_task()
-        self.parent.set_sensitive(False)
-        self.spinner.show()
-        self.spinner.start()
-
-        def _after():
-            self.window.page_details.view_versioning.update(
-                None, self.config
-            )  # update states
-            self.manager.update_bottles()  # update bottles
-
-        RunAsync(
-            task_func=self.versioning_manager.set_state,
-            callback=self.set_completed,
-            config=self.config,
-            state_id=self.state[0],
-            after=_after,
+
+        def handle_response(dialog, response_id):
+            if response_id == "ok":
+                self.queue.add_task()
+                self.parent.set_sensitive(False)
+                self.spinner.show()
+                self.spinner.start()
+
+                def _after():
+                    self.window.page_details.view_versioning.update(None, self.config)
+                    self.manager.update_bottles()
+
+                RunAsync(
+                    task_func=self.versioning_manager.set_state,
+                    callback=self.set_completed,
+                    config=self.config,
+                    state_id=self.state[0],
+                    after=_after,
+                )
+            dialog.destroy()
+
+        dialog = Adw.MessageDialog.new(
+            self.window,
+            _("Are you sure you want to restore this state?"),
+            _(
+                "Restoring this state will overwrite the current configuration and cannot be undone."
+            ),
         )
+        dialog.add_response("cancel", _("_Cancel"))
+        dialog.add_response("ok", _("_Restore"))
+        dialog.set_response_appearance("ok", Adw.ResponseAppearance.SUGGESTED)
+        dialog.connect("response", handle_response)
+        dialog.present()
 
     @GtkUtils.run_in_main_loop
     def set_completed(self, result, error=False):