Add is_active_in_column

Add missing ```

Fix tests

niri-config/src/lib.rs

@@ -734,6 +734,8 @@ pub struct Match {
     pub is_active: Option<bool>,
     #[knuffel(property)]
     pub is_focused: Option<bool>,
+    #[knuffel(property)]
+    pub is_active_in_column: Option<bool>,
 }
 
 impl PartialEq for Match {
@@ -2416,6 +2418,7 @@ mod tests {
                         title: None,
                         is_active: None,
                         is_focused: None,
+                        is_active_in_column: None,
                     }],
                     excludes: vec![
                         Match {
@@ -2423,12 +2426,14 @@ mod tests {
                             title: Some(Regex::new("~").unwrap()),
                             is_active: None,
                             is_focused: None,
+                            is_active_in_column: None,
                         },
                         Match {
                             app_id: None,
                             title: None,
                             is_active: Some(true),
                             is_focused: Some(false),
+                            is_active_in_column: None,
                         },
                     ],
                     open_on_output: Some("eDP-1".to_owned()),

niri-visual-tests/src/test_window.rs

@@ -213,6 +213,8 @@ impl LayoutElement for TestWindow {
 
     fn set_activated(&mut self, _active: bool) {}
 
+    fn set_active_in_column(&mut self, _active: bool) {}
+
     fn set_bounds(&self, _bounds: Size<i32, Logical>) {}
 
     fn send_pending_configure(&mut self) {}

src/layout/mod.rs

@@ -152,6 +152,7 @@ pub trait LayoutElement {
     fn output_leave(&self, output: &Output);
     fn set_offscreen_element_id(&self, id: Option<Id>);
     fn set_activated(&mut self, active: bool);
+    fn set_active_in_column(&mut self, active: bool);
     fn set_bounds(&self, bounds: Size<i32, Logical>);
 
     fn send_pending_configure(&mut self);
@@ -2190,6 +2191,8 @@ mod tests {
 
         fn send_pending_configure(&mut self) {}
 
+        fn set_active_in_column(&mut self, _active: bool) {}
+
         fn is_fullscreen(&self) -> bool {
             false
         }

src/layout/workspace.rs

@@ -2459,9 +2459,11 @@ impl<W: LayoutElement> Workspace<W> {
 
             for (tile_idx, tile) in col.tiles.iter_mut().enumerate() {
                 let win = tile.window_mut();
-                let active = is_active
+
-                    && self.active_column_idx == col_idx
+                let active_in_column = col.active_tile_idx == tile_idx;
-                    && col.active_tile_idx == tile_idx;
+                win.set_active_in_column(active_in_column);
+
+                let active = is_active && self.active_column_idx == col_idx && active_in_column;
                 win.set_activated(active);
 
                 win.set_interactive_resize(col_resize_data);

src/window/mapped.rs

@@ -49,6 +49,9 @@ pub struct Mapped {
     /// Whether this window has the keyboard focus.
     is_focused: bool,
 
+    /// Whether this window is the active window in its column.
+    pub is_active_in_column: bool,
+
     /// Buffer to draw instead of the window when it should be blocked out.
     block_out_buffer: RefCell<SolidColorBuffer>,
 
@@ -102,6 +105,7 @@ impl Mapped {
             rules,
             need_to_recompute_rules: false,
             is_focused: false,
+            is_active_in_column: false,
             block_out_buffer: RefCell::new(SolidColorBuffer::new((0, 0), [0., 0., 0., 1.])),
             animate_next_configure: false,
             animate_serials: Vec::new(),
@@ -458,6 +462,12 @@ impl LayoutElement for Mapped {
         self.need_to_recompute_rules |= changed;
     }
 
+    fn set_active_in_column(&mut self, active: bool) {
+        let changed = self.is_active_in_column != active;
+        self.is_active_in_column = active;
+        self.need_to_recompute_rules |= changed;
+    }
+
     fn set_bounds(&self, bounds: Size<i32, Logical>) {
         self.toplevel().with_pending_state(|state| {
             state.bounds = Some(bounds);

src/window/mod.rs

@@ -85,6 +85,13 @@ impl<'a> WindowRef<'a> {
             WindowRef::Mapped(mapped) => mapped.is_focused(),
         }
     }
+
+    pub fn is_active_in_column(self) -> bool {
+        match self {
+            WindowRef::Unmapped(_) => false,
+            WindowRef::Mapped(mapped) => mapped.is_active_in_column,
+        }
+    }
 }
 
 impl ResolvedWindowRules {
@@ -254,5 +261,11 @@ fn window_matches(window: WindowRef, role: &XdgToplevelSurfaceRoleAttributes, m:
         }
     }
 
+    if let Some(is_active_in_column) = m.is_active_in_column {
+        if window.is_active_in_column() != is_active_in_column {
+            return false;
+        }
+    }
+
     true
 }

wiki/Configuration:-Window-Rules.md

@@ -174,6 +174,20 @@ window-rule {
 }
 ```
 
+#### `is-active-in-column`
+
+Can be `true` or `false`.
+Matches the window that is the "active" window in its column.
+
+Contrary to `is-active`, there is always one `is-active-in-column` window in each column.
+It is the window that was last focused in the column, i.e. the one that will gain focus if this column is focused.
+
+```
+window-rule {
+    match is-active-in-column=true
+}
+```
+
 ### Window Opening Properties
 
 These properties apply once, when a window first opens.