feat: add new input-passthrough window rule

niri-config/src/window_rule.rs

@@ -72,6 +72,8 @@ pub struct WindowRule {
     pub scroll_factor: Option<FloatOrInt<0, 100>>,
     #[knuffel(child, unwrap(argument))]
     pub tiled_state: Option<bool>,
+    #[knuffel(child, unwrap(argument))]
+    pub input_passthrough: Option<bool>,
 }
 
 #[derive(knuffel::Decode, Debug, Default, Clone, PartialEq)]

src/layout/tile.rs

@@ -860,6 +860,10 @@ impl<W: LayoutElement> Tile<W> {
         let offset = self.bob_offset();
         let point = point - offset;
 
+        if self.window.rules().input_passthrough == Some(true) {
+            return None;
+        }
+
         if self.is_in_input_region(point) {
             let win_pos = self.buf_loc() + offset;
             Some(HitType::Input { win_pos })

src/window/mod.rs

@@ -119,6 +119,7 @@ pub struct ResolvedWindowRules {
 
     /// Override whether to set the Tiled xdg-toplevel state on the window.
     pub tiled_state: Option<bool>,
+    pub input_passthrough: Option<bool>,
 }
 
 impl<'a> WindowRef<'a> {
@@ -240,6 +241,7 @@ impl ResolvedWindowRules {
             variable_refresh_rate: None,
             scroll_factor: None,
             tiled_state: None,
+            input_passthrough: None,
         }
     }
 
@@ -365,6 +367,9 @@ impl ResolvedWindowRules {
                 if let Some(x) = rule.tiled_state {
                     resolved.tiled_state = Some(x);
                 }
+                if let Some(x) = rule.input_passthrough {
+                    resolved.input_passthrough = Some(x);
+                }
             }
 
             resolved.open_on_output = open_on_output.map(|x| x.to_owned());