fix: input to cropped tiled windows should be bound to the tile

src/input/mod.rs

@@ -788,7 +788,12 @@ impl State {
                             let shell = self.common.shell.read();
                             State::element_under(global_position, &output, &shell, &seat)
                         };
-                        if let Some(target) = under {
+                        // Grabbing a tiling resize handle (the gap between tiles) must not change keyboard focus
+                        let on_resize_fork = matches!(
+                            seat.get_pointer().unwrap().current_focus(),
+                            Some(PointerFocusTarget::ResizeFork(_))
+                        );
+                        if let Some(target) = under.filter(|_| !on_resize_fork) {
                             if let Some(surface) = target.toplevel().map(Cow::into_owned)
                                 && seat.get_keyboard().unwrap().modifier_state().logo
                                 && !shortcuts_inhibited

src/shell/layout/tiling/mod.rs

@@ -3180,6 +3180,10 @@ impl TilingLayout {
         let location = location_f64.to_i32_round();
 
         for (mapped, geo) in self.mapped() {
+            // Tiled windows are rendered cropped to their tile (`geo`), so input must be bound to the tile as well
+            if !geo.contains(location) {
+                continue;
+            }
             if !mapped.bbox().contains((location - geo.loc).as_logical()) {
                 continue;
             }
@@ -3244,6 +3248,10 @@ impl TilingLayout {
 
         if matches!(overview, OverviewMode::None) {
             for (mapped, geo) in self.mapped() {
+                // Tiled windows are rendered cropped to their tile (`geo`), so input must be bound to the tile as well
+                if !geo.contains(location) {
+                    continue;
+                }
                 if !mapped.bbox().contains((location - geo.loc).as_logical()) {
                     continue;
                 }