show login network errors through ui

src/client/mod.rs

@@ -21,6 +21,7 @@ pub use app::AppHandle;
 pub enum ClientEvent {
     Connect { send: NetSender, username: String },
     ServerMsg(ServerMsg),
+    Err(String),
 }
 
 pub struct Client {
@@ -34,6 +35,7 @@ pub struct Client {
     dir: DataDir,
     data: ClientData,
     handle: AppHandle,
+    error: Option<WidgetId<WidgetPtr>>,
 }
 
 impl Client {
@@ -52,6 +54,7 @@ impl Client {
             focus: None,
             username: "<unknown>".to_string(),
             clipboard: Clipboard::new().unwrap(),
+            error: None,
         };
         ui::init(&mut s);
         s
@@ -80,6 +83,11 @@ impl Client {
                     }
                 }
             },
+            ClientEvent::Err(msg) => {
+                if let Some(err) = &self.error {
+                    self.ui[err].inner = Some(ui::error(&mut self.ui, &msg));
+                }
+            }
         }
     }