From 0a6ee85e08da4756e2254cb95d2ed3044a5c4db9 Mon Sep 17 00:00:00 2001
From: ayuan9957 <107920784+ayuan9957@users.noreply.github.com>
Date: Tue, 23 Jun 2026 14:29:51 +0800
Subject: [PATCH] feat(editor): show partial components in multi-select
 inspector

---
 .../Private/MetaCoreBuiltinEditorModule.cpp   | 26 +++++++++++++++----
 1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/Source/MetaCoreEditor/Private/MetaCoreBuiltinEditorModule.cpp b/Source/MetaCoreEditor/Private/MetaCoreBuiltinEditorModule.cpp
index 0452388..2162b67 100644
--- a/Source/MetaCoreEditor/Private/MetaCoreBuiltinEditorModule.cpp
+++ b/Source/MetaCoreEditor/Private/MetaCoreBuiltinEditorModule.cpp
@@ -7969,16 +7969,32 @@ public:
                     continue;
                 }
 
-                bool hasComponentOnAllSelected = true;
+                std::size_t objectsWithComponent = 0;
                 for (const MetaCoreId selectedId : editorContext.GetSelectedObjectIds()) {
                     const MetaCoreGameObject selectedGameObject = editorContext.GetScene().FindGameObject(selectedId);
-                    if (!selectedGameObject || !descriptor.HasComponent(selectedGameObject)) {
-                        hasComponentOnAllSelected = false;
-                        break;
+                    if (selectedGameObject && descriptor.HasComponent(selectedGameObject)) {
+                        ++objectsWithComponent;
                     }
                 }
 
-                if (!hasComponentOnAllSelected) {
+                if (objectsWithComponent == 0) {
+                    continue;
+                }
+
+                if (objectsWithComponent < selectedCount) {
+                    ImGui::PushID(descriptor.TypeId.c_str());
+                    const std::string partialHeader = descriptor.DisplayName + " (" + std::to_string(objectsWithComponent) + "/" + std::to_string(selectedCount) + " selected)";
+                    if (ImGui::CollapsingHeader(partialHeader.c_str())) {
+                        ImGui::TextDisabled("This component exists on only part of the current selection.");
+                        if (ImGui::SmallButton("Add to Missing")) {
+                            (void)MetaCoreMutateSelectedObjectWithComponentDescriptor(editorContext, descriptor, true);
+                        }
+                        ImGui::SameLine();
+                        if (ImGui::SmallButton("Remove from Present")) {
+                            (void)MetaCoreMutateSelectedObjectWithComponentDescriptor(editorContext, descriptor, false);
+                        }
+                    }
+                    ImGui::PopID();
                     continue;
                 }