From a898791a70d834fe829c50f8f9142f6236b9b358 Mon Sep 17 00:00:00 2001
From: GriffinR <griffin.g.richards@gmail.com>
Date: Thu, 3 Apr 2025 16:22:26 -0400
Subject: [PATCH] Remove expensive calls to QGraphicsItemGroup::removefromGroup

---
 src/editor.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/editor.cpp b/src/editor.cpp
index b29a47bc..08dc0146 100644
--- a/src/editor.cpp
+++ b/src/editor.cpp
@@ -1673,10 +1673,9 @@ void Editor::clearMapEvents() {
         if (events_group->scene()) {
             events_group->scene()->removeItem(events_group);
         }
-        for (QGraphicsItem *child : events_group->childItems()) {
-            events_group->removeFromGroup(child);
-            delete child;
-        }
+        // events_group does not own its children, the childrens' parent
+        // is set to the group's parent (and our group has no parent).
+        qDeleteAll(events_group->childItems());
         delete events_group;
         events_group = nullptr;
     }