♻️ refactor: extract `refresh_label` for GUI

crates/ptth_server_gui/src/main.rs

@@ -112,6 +112,8 @@ struct Gui {
 	input_relay_url: Input,
 	input_file_server_root: Input,
 	input_api_key: SecretInput,
+	
+	server_is_running: bool,
 }
 
 #[derive (Default, serde::Deserialize)]
@@ -176,16 +178,15 @@ impl Gui {
 			input_relay_url,
 			input_file_server_root,
 			input_api_key,
+			
+			server_is_running: false,
 		}
 	}
 	
 	fn set_server_running (&mut self, b: bool) {
-		self.frame.set_label (if b {
-			"Running"
-		}
-		else {
-			"Stopped"
-		});
+		self.server_is_running = b;
+		
+		self.refresh_label ();
 		
 		set_active (&mut self.but_run, ! b);
 		set_active (&mut self.but_stop, b);
@@ -197,6 +198,15 @@ impl Gui {
 		set_active (&mut self.input_file_server_root, ! b);
 		set_active (&mut self.input_api_key, ! b);
 	}
+	
+	fn refresh_label (&mut self) {
+		self.frame.set_label (if self.server_is_running {
+			"Running"
+		}
+		else {
+			"Stopped"
+		});
+	}
 }
 
 fn set_active <W: WidgetExt> (w: &mut W, b: bool) {