Add urgent color support to tab indicators

src/layout/scrolling.rs

@@ -3820,8 +3820,9 @@ impl<W: LayoutElement> Column<W> {
             .enumerate()
             .map(|(tile_idx, (tile, tile_off))| {
                 let is_active = tile_idx == active_idx;
+                let is_urgent = tile.window().is_urgent();
                 let tile_pos = tile_off + tile.render_offset();
-                TabInfo::from_tile(tile, tile_pos, is_active, &config)
+                TabInfo::from_tile(tile, tile_pos, is_active, is_urgent, &config)
             });
 
         // Hide the tab indicator in fullscreen. If you have it configured to overlap the window,

src/layout/tab_indicator.rs

@@ -350,13 +350,16 @@ impl TabInfo {
         tile: &Tile<W>,
         position: Point<f64, Logical>,
         is_active: bool,
+        is_urgent: bool,
         config: &niri_config::TabIndicator,
     ) -> Self {
         let rules = tile.window().rules();
         let rule = rules.tab_indicator;
 
         let gradient_from_rule = || {
-            let (color, gradient) = if is_active {
+            let (color, gradient) = if is_urgent {
+                (rule.urgent_color, rule.urgent_gradient)
+            } else if is_active {
                 (rule.active_color, rule.active_gradient)
             } else {
                 (rule.inactive_color, rule.inactive_gradient)
@@ -366,7 +369,9 @@ impl TabInfo {
         };
 
         let gradient_from_config = || {
-            let (color, gradient) = if is_active {
+            let (color, gradient) = if is_urgent {
+                (config.urgent_color, config.urgent_gradient)
+            } else if is_active {
                 (config.active_color, config.active_gradient)
             } else {
                 (config.inactive_color, config.inactive_gradient)
@@ -386,7 +391,9 @@ impl TabInfo {
                 focus_ring_config
             };
 
-            let (color, gradient) = if is_active {
+            let (color, gradient) = if is_urgent {
+                (config.urgent_color, config.urgent_gradient)
+            } else if is_active {
                 (config.active_color, config.active_gradient)
             } else {
                 (config.inactive_color, config.inactive_gradient)

src/window/mod.rs

@@ -220,8 +220,10 @@ impl ResolvedWindowRules {
             tab_indicator: TabIndicatorRule {
                 active_color: None,
                 inactive_color: None,
+                urgent_color: None,
                 active_gradient: None,
                 inactive_gradient: None,
+                urgent_gradient: None,
             },
             draw_border_with_background: None,
             opacity: None,