config: add urgency window criteria

jay-config/src/_private.rs

@@ -112,6 +112,7 @@ pub enum WindowCriterionIpc {
     Client(ClientMatcher),
     Floating,
     Visible,
+    Urgent,
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug, Hash, Eq, PartialEq)]

jay-config/src/_private/client.rs

@@ -1659,6 +1659,7 @@ impl ConfigClient {
             WindowCriterion::AppIdRegex(t) => string!(t, AppId, true),
             WindowCriterion::Floating => WindowCriterionIpc::Floating,
             WindowCriterion::Visible => WindowCriterionIpc::Visible,
+            WindowCriterion::Urgent => WindowCriterionIpc::Urgent,
         };
         let res = self.send_with_response(&ClientMessage::CreateWindowMatcher { criterion });
         get_response!(

jay-config/src/window.rs

@@ -248,6 +248,8 @@ pub enum WindowCriterion<'a> {
     Floating,
     /// Matches if the window is visible.
     Visible,
+    /// Matches if the window has the urgency flag set.
+    Urgent,
 }
 
 impl WindowCriterion<'_> {