move widgets on draw if region size is same

src/core/sense.rs

@@ -113,7 +113,7 @@ impl<Ctx: 'static> UiModule for SensorModule<Ctx> {
             self.active
                 .entry(inst.layer)
                 .or_default()
-                .insert(inst.id.duplicate(), inst.region);
+                .insert(inst.id, inst.region);
         }
     }
 
@@ -126,17 +126,21 @@ impl<Ctx: 'static> UiModule for SensorModule<Ctx> {
     fn on_remove(&mut self, id: &Id) {
         self.map.remove(id);
     }
+
+    fn on_move(&mut self, inst: &WidgetInstance) {
+        if let Some(map) = self.active.get_mut(&inst.layer)
+            && let Some(region) = map.get_mut(&inst.id)
+        {
+            *region = inst.region;
+        }
+    }
 }
 
 impl<Ctx> SensorModule<Ctx> {
     pub fn merge(&mut self, other: Self) {
         for (id, group) in other.map {
             for sensor in group.sensors {
-                self.map
-                    .entry(id.duplicate())
-                    .or_default()
-                    .sensors
-                    .push(sensor);
+                self.map.entry(id).or_default().sensors.push(sensor);
             }
         }
     }