fix: overlap notify filter handles by client

src/wayland/protocols/overlap_notify.rs

@@ -167,15 +167,21 @@ impl LayerOverlapNotificationDataInternal {
     }
 
     pub fn add_notification(&mut self, new_notification: ZcosmicOverlapNotificationV1) {
-        for (toplevel, overlap) in &self.last_snapshot.toplevel_overlaps {
-            if let Ok(toplevel) = toplevel.upgrade() {
-                new_notification.toplevel_enter(
-                    &toplevel,
-                    overlap.loc.x,
-                    overlap.loc.y,
-                    overlap.size.w,
-                    overlap.size.h,
-                );
+        if let Some(client) = new_notification.client() {
+            for (toplevel, overlap) in &self.last_snapshot.toplevel_overlaps {
+                if let Some(toplevel) = toplevel
+                    .upgrade()
+                    .ok()
+                    .filter(|handle| handle.client().is_some_and(|c| c == client))
+                {
+                    new_notification.toplevel_enter(
+                        &toplevel,
+                        overlap.loc.x,
+                        overlap.loc.y,
+                        overlap.size.w,
+                        overlap.size.h,
+                    );
+                }
             }
         }
         for (_, (identifier, exclusive, layer, overlap)) in &self.last_snapshot.layer_overlaps {
@@ -207,8 +213,13 @@ impl LayerOverlapNotificationDataInternal {
         for toplevel in self.last_snapshot.toplevel_overlaps.keys() {
             if !new_snapshot.toplevel_overlaps.contains_key(toplevel) {
                 if let Ok(toplevel) = toplevel.upgrade() {
-                    for notification in &notifications {
-                        notification.toplevel_leave(&toplevel);
+                    if let Some(client) = toplevel.client() {
+                        for notification in notifications
+                            .iter()
+                            .filter(|n| n.client().is_some_and(|c| c == client))
+                        {
+                            notification.toplevel_leave(&toplevel);
+                        }
                     }
                 }
             }
@@ -221,14 +232,19 @@ impl LayerOverlapNotificationDataInternal {
                 .is_some_and(|old_overlap| old_overlap == overlap)
             {
                 if let Ok(toplevel) = toplevel.upgrade() {
-                    for notification in &notifications {
-                        notification.toplevel_enter(
-                            &toplevel,
-                            overlap.loc.x,
-                            overlap.loc.y,
-                            overlap.size.w,
-                            overlap.size.h,
-                        );
+                    if let Some(client) = toplevel.client() {
+                        for notification in notifications
+                            .iter()
+                            .filter(|n| n.client().is_some_and(|c| c == client))
+                        {
+                            notification.toplevel_enter(
+                                &toplevel,
+                                overlap.loc.x,
+                                overlap.loc.y,
+                                overlap.size.w,
+                                overlap.size.h,
+                            );
+                        }
                     }
                 }
             }