Include room name in desktop notifications (#326)

src/config.rs

@@ -398,16 +398,26 @@ pub enum UserDisplayStyle {
     DisplayName,
 }
 
-#[derive(Clone, Copy, Debug, Default, Deserialize, Eq, PartialEq)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq)]
 #[serde(rename_all = "lowercase")]
 pub enum NotifyVia {
     /// Deliver notifications via terminal bell.
     Bell,
     /// Deliver notifications via desktop mechanism.
-    #[default]
+    #[cfg(feature = "desktop")]
     Desktop,
 }
 
+impl Default for NotifyVia {
+    fn default() -> Self {
+        #[cfg(not(feature = "desktop"))]
+        return NotifyVia::Bell;
+
+        #[cfg(feature = "desktop")]
+        return NotifyVia::Desktop;
+    }
+}
+
 #[derive(Clone, Debug, Default, Deserialize, Eq, PartialEq)]
 pub struct Notifications {
     #[serde(default)]