tab indicator: Add hide-when-single-tab

2 files changed, 9 insertions, 1 deletions

diff --git a/src/layout/tab_indicator.rs b/src/layout/tab_indicator.rs
index 114fa810..0f9ebaf9 100644
--- a/src/layout/tab_indicator.rs
+++ b/src/layout/tab_indicator.rs
@@ -63,6 +63,13 @@ impl TabIndicator {
             return;
         }
 
+        let count = tabs.clone().count();
+        if self.config.hide_when_single_tab && count == 1 {
+            self.shader_locs.clear();
+            self.shaders.clear();
+            return;
+        }
+
         // Tab indicators are rendered relative to the tile geometry.
         let tile_geo = Rectangle::new(Point::from((0., 0.)), tile_size);
 
@@ -74,7 +81,6 @@ impl TabIndicator {
         let total_prop = self.config.length.total_proportion.unwrap_or(0.5);
         let min_length = round(tile_size.h * total_prop.clamp(0., 2.));
 
-        let count = tabs.clone().count();
         self.shaders.resize_with(count, Default::default);
         self.shader_locs.resize_with(count, Default::default);
 
diff --git a/src/layout/tests.rs b/src/layout/tests.rs
index 5c1749a3..dee23fc0 100644
--- a/src/layout/tests.rs
+++ b/src/layout/tests.rs
@@ -3242,12 +3242,14 @@ prop_compose! {
 prop_compose! {
     fn arbitrary_tab_indicator()(
         off in any::<bool>(),
+        hide_when_single_tab in any::<bool>(),
         width in arbitrary_spacing(),
         gap in arbitrary_spacing_neg(),
         length in (0f64..2f64),
     ) -> niri_config::TabIndicator {
         niri_config::TabIndicator {
             off,
+            hide_when_single_tab,
             width: FloatOrInt(width),
             gap: FloatOrInt(gap),
             length: TabIndicatorLength { total_proportion: Some(length) },