关键节点

editor/app/Features/Inspector/AddComponentPanel.h

@@ -0,0 +1,50 @@
+#pragma once
+
+#include "UtilityWindows/EditorUtilityWindowPanel.h"
+
+#include <cstddef>
+#include <string>
+#include <vector>
+
+namespace XCEngine::Components {
+class GameObject;
+}
+
+namespace XCEngine::UI::Editor::App {
+
+class AddComponentPanel final : public EditorUtilityWindowPanel {
+public:
+    std::string_view GetDrawListId() const override {
+        return "XCEditorUtility.AddComponent";
+    }
+    void ResetInteractionState() override;
+    void Update(
+        EditorContext& context,
+        const EditorUtilityWindowHostContext& hostContext,
+        const std::vector<::XCEngine::UI::UIInputEvent>& inputEvents) override;
+    void Append(::XCEngine::UI::UIDrawList& drawList) const override;
+
+private:
+    struct EntryPresentation {
+        std::string componentTypeName = {};
+        std::string displayName = {};
+        std::string disabledReason = {};
+        ::XCEngine::UI::UIRect rect = {};
+        bool enabled = false;
+    };
+
+    void ResetPanelState();
+    void RebuildEntries(const ::XCEngine::Components::GameObject* gameObject);
+    bool TryActivateEntry(EditorContext& context, std::size_t entryIndex);
+    std::size_t HitTestEntry(const ::XCEngine::UI::UIPoint& point) const;
+
+    bool m_visible = false;
+    bool m_hasTarget = false;
+    ::XCEngine::UI::UIRect m_bounds = {};
+    std::string m_targetDisplayName = {};
+    std::vector<EntryPresentation> m_entries = {};
+    std::size_t m_hoveredEntryIndex = static_cast<std::size_t>(-1);
+    std::size_t m_pressedEntryIndex = static_cast<std::size_t>(-1);
+};
+
+} // namespace XCEngine::UI::Editor::App