Add is-urgent window rule matcher

niri-config/src/lib.rs

@@ -1457,6 +1457,8 @@ pub struct Match {
     #[knuffel(property)]
     pub is_window_cast_target: Option<bool>,
     #[knuffel(property)]
+    pub is_urgent: Option<bool>,
+    #[knuffel(property)]
     pub at_startup: Option<bool>,
 }
 
@@ -4804,6 +4806,7 @@ mod tests {
                             is_active_in_column: None,
                             is_floating: None,
                             is_window_cast_target: None,
+                            is_urgent: None,
                             at_startup: None,
                         },
                     ],
@@ -4822,6 +4825,7 @@ mod tests {
                             is_active_in_column: None,
                             is_floating: None,
                             is_window_cast_target: None,
+                            is_urgent: None,
                             at_startup: None,
                         },
                         Match {
@@ -4836,6 +4840,7 @@ mod tests {
                             is_active_in_column: None,
                             is_floating: None,
                             is_window_cast_target: None,
+                            is_urgent: None,
                             at_startup: None,
                         },
                     ],

src/window/mapped.rs

@@ -520,6 +520,7 @@ impl Mapped {
         if self.is_focused && urgent {
             return;
         }
+
         let changed = self.is_urgent != urgent;
         self.is_urgent = urgent;
         self.need_to_recompute_rules |= changed;

src/window/mod.rs

@@ -440,6 +440,12 @@ fn window_matches(window: WindowRef, role: &XdgToplevelSurfaceRoleAttributes, m:
         }
     }
 
+    if let Some(is_urgent) = m.is_urgent {
+        if window.is_urgent() != is_urgent {
+            return false;
+        }
+    }
+
     if let Some(is_active) = m.is_active {
         // Our "is-active" definition corresponds to the window having a pending Activated state.
         let pending_activated = server_pending

wiki/Configuration:-Window-Rules.md

@@ -35,6 +35,7 @@ window-rule {
     match is-active-in-column=true
     match is-floating=true
     match is-window-cast-target=true
+    match is-urgent=true
     match at-startup=true
 
     // Properties that apply once upon window opening.
@@ -286,6 +287,19 @@ Example:
 
 ![](https://github.com/user-attachments/assets/375b381e-3a87-4e94-8676-44404971d893)
 
+#### `is-urgent`
+
+<sup>Since: next release</sup>
+
+Can be `true` or `false`.
+Matches windows that request the user's attention.
+
+```kdl
+window-rule {
+    match is-urgent=true
+}
+```
+
 #### `at-startup`
 
 <sup>Since: 0.1.6</sup>