don't panic on keyring fail + disable button while connecting

src/bin/client/data/mod.rs

@@ -29,11 +29,10 @@ impl ClientData {
         self.data.load::<AccountList>().push(info);
     }
 
-    pub fn password(&self, info: &AccountInfo) -> String {
+    pub fn password(&self, info: &AccountInfo) -> Result<String, String> {
         let user_path = info.path();
-        let entry =
-            keyring_core::Entry::new("openworm", &user_path).expect("failed to open keyring entry");
-        entry.get_password().unwrap()
+        let entry = keyring_core::Entry::new("openworm", &user_path).map_err(|e| e.to_string())?;
+        entry.get_password().map_err(|e| e.to_string())
     }
 
     pub fn accounts(&self) -> DataGuard<AccountList> {

src/bin/client/ui/connect.rs

@@ -31,8 +31,7 @@ pub fn start(rsc: &mut Rsc, data: &ClientData) -> WeakWidget {
                     .add(rsc),
                 color::DARK,
                 rsc,
-            )
-            .add(rsc);
+            );
             let account = account.clone();
             let cert_hex = data
                 .data
@@ -44,14 +43,22 @@ pub fn start(rsc: &mut Rsc, data: &ClientData) -> WeakWidget {
             let cert = decode_hex(&cert_hex).unwrap();
             keyring::use_native_store(true).unwrap();
             rsc.events.register(button, Submit, move |ctx, rsc| {
+                let password = match ctx.state.data.password(&account) {
+                    Ok(v) => v,
+                    Err(err) => {
+                        ctx.state.error(&err, rsc);
+                        return;
+                    }
+                };
+                button.disable(rsc);
                 let account = account.clone();
                 let cert = cert.clone();
-                let password = ctx.state.data.password(&account);
                 let event_sender = rsc.window_event.clone();
                 rsc.spawn_task(async move |mut ctx| {
                     let mut fail = |reason: &str| {
                         let reason = reason.to_string();
                         ctx.update(move |ctx, rsc| {
+                            button.enable(rsc);
                             ctx.error(&reason, rsc);
                         })
                     };