From ae33468004d39eb664ddc6558410db2b68c7f355 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Davy=20H=C3=A9lard?= <davy.helard@gmail.com>
Date: Fri, 12 Jun 2026 15:18:15 +0200
Subject: [PATCH 1/2] Fix custom object with circular dependencies were no
 longer disabled in the new object dialog

---
 .../src/AssetStore/NewObjectFromScratch.js    |  1 -
 newIDE/app/src/AssetStore/ObjectListItem.js   | 26 ++++++++++++++++++-
 .../app/src/AssetStore/ObjectStoreContext.js  |  2 ++
 .../src/Utils/GDevelopServices/Extension.js   |  7 +++++
 4 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/newIDE/app/src/AssetStore/NewObjectFromScratch.js b/newIDE/app/src/AssetStore/NewObjectFromScratch.js
index 6cd556c234ac..f61eb4c91e45 100644
--- a/newIDE/app/src/AssetStore/NewObjectFromScratch.js
+++ b/newIDE/app/src/AssetStore/NewObjectFromScratch.js
@@ -201,7 +201,6 @@ export default function NewObjectFromScratch({
               eventsBasedObject
             );
           }
-          // $FlowFixMe[incompatible-type]
           return {
             type: object.type,
             fullName: object.fullName,
diff --git a/newIDE/app/src/AssetStore/ObjectListItem.js b/newIDE/app/src/AssetStore/ObjectListItem.js
index 416c6a18dba0..1efcab6c42f5 100644
--- a/newIDE/app/src/AssetStore/ObjectListItem.js
+++ b/newIDE/app/src/AssetStore/ObjectListItem.js
@@ -79,7 +79,8 @@ export const ObjectListItem = ({
     );
   };
 
-  const isEnabled = isEngineCompatible;
+  const isEnabled =
+    isEngineCompatible && !objectShortHeader.isDependentWithParent;
 
   const chooseObject = React.useCallback(
     () => {
@@ -165,6 +166,29 @@ export const ObjectListItem = ({
                   </IconButton>
                 </Tooltip>
               )}
+              {objectShortHeader.isDependentWithParent && (
+                <Tooltip
+                  title={
+                    <Trans>
+                      This object can't be used here because it would create a
+                      circular dependency with the object being edited.
+                    </Trans>
+                  }
+                >
+                  <IconButton
+                    size="small"
+                    onClick={e => {
+                      e.stopPropagation();
+                    }}
+                  >
+                    <Chip
+                      size="small"
+                      label={<Trans>No cycle</Trans>}
+                      variant="outlined"
+                    />
+                  </IconButton>
+                </Tooltip>
+              )}
             </LineStackLayout>
             <Text
               noMargin
diff --git a/newIDE/app/src/AssetStore/ObjectStoreContext.js b/newIDE/app/src/AssetStore/ObjectStoreContext.js
index 149ed36aa524..6cb8619c0d9d 100644
--- a/newIDE/app/src/AssetStore/ObjectStoreContext.js
+++ b/newIDE/app/src/AssetStore/ObjectStoreContext.js
@@ -361,6 +361,8 @@ export const ObjectStoreStateProvider = ({
               requiredExtensions: repositoryObjectMetadata.requiredExtensions,
 
               // Attributes from the installed extension
+              isDependentWithParent:
+                installedObjectMetadata.isDependentWithParent,
 
               // These ones are less important but its better to use the icon of
               // the installed extension since it's used everywhere in the editor.
diff --git a/newIDE/app/src/Utils/GDevelopServices/Extension.js b/newIDE/app/src/Utils/GDevelopServices/Extension.js
index 684073e4ceec..51598f7e98af 100644
--- a/newIDE/app/src/Utils/GDevelopServices/Extension.js
+++ b/newIDE/app/src/Utils/GDevelopServices/Extension.js
@@ -113,6 +113,13 @@ export type ObjectShortHeader = {
    * @see adaptObjectHeader
    */
   type: string,
+  /**
+   * `true` when using the object would create a dependency cycle with the
+   * edited events-based object.
+   *
+   * This attribute is computed for `installed` extensions.
+   */
+  isDependentWithParent?: boolean,
 };
 
 /**

From 487e27f1a6f67c3a5fd56b6eacc30fae63019641 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Davy=20H=C3=A9lard?= <davy.helard@gmail.com>
Date: Fri, 12 Jun 2026 15:38:08 +0200
Subject: [PATCH 2/2] Replace the button with a span

---
 newIDE/app/src/AssetStore/ObjectListItem.js | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/newIDE/app/src/AssetStore/ObjectListItem.js b/newIDE/app/src/AssetStore/ObjectListItem.js
index 1efcab6c42f5..eaf8127d4fc3 100644
--- a/newIDE/app/src/AssetStore/ObjectListItem.js
+++ b/newIDE/app/src/AssetStore/ObjectListItem.js
@@ -175,18 +175,14 @@ export const ObjectListItem = ({
                     </Trans>
                   }
                 >
-                  <IconButton
-                    size="small"
-                    onClick={e => {
-                      e.stopPropagation();
-                    }}
-                  >
+                  <span>
                     <Chip
                       size="small"
                       label={<Trans>No cycle</Trans>}
                       variant="outlined"
+                      onClick={() => {}}
                     />
-                  </IconButton>
+                  </span>
                 </Tooltip>
               )}
             </LineStackLayout>