Refine editor window host structure and utility chrome

editor/app/Windowing/Frame/EditorWindowTransferRequests.h

@@ -0,0 +1,64 @@
+#pragma once
+
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
+
+#include "UtilityWindows/EditorUtilityWindowKind.h"
+
+#include <windows.h>
+
+#include <optional>
+#include <string>
+
+namespace XCEngine::UI::Editor::App {
+
+struct EditorWindowPanelTransferRequest {
+    std::string nodeId = {};
+    std::string panelId = {};
+    POINT screenPoint = {};
+
+    bool IsValid() const {
+        return !nodeId.empty() && !panelId.empty();
+    }
+};
+
+struct EditorWindowOpenUtilityWindowRequest {
+    EditorUtilityWindowKind kind = EditorUtilityWindowKind::None;
+    POINT screenPoint = {};
+    bool useCursorPlacement = false;
+
+    bool IsValid() const {
+        return kind != EditorUtilityWindowKind::None;
+    }
+};
+
+struct EditorWorkspaceWindowFrameTransferRequests {
+    std::optional<EditorWindowPanelTransferRequest> beginGlobalTabDrag = {};
+    std::optional<EditorWindowPanelTransferRequest> detachPanel = {};
+
+    bool HasPendingRequests() const {
+        return beginGlobalTabDrag.has_value() ||
+            detachPanel.has_value();
+    }
+};
+
+struct EditorUtilityWindowFrameTransferRequests {
+    std::optional<EditorWindowOpenUtilityWindowRequest> openUtilityWindow = {};
+
+    bool HasPendingRequests() const {
+        return openUtilityWindow.has_value();
+    }
+};
+
+struct EditorWindowFrameTransferRequests {
+    EditorWorkspaceWindowFrameTransferRequests workspace = {};
+    EditorUtilityWindowFrameTransferRequests utility = {};
+
+    bool HasPendingRequests() const {
+        return workspace.HasPendingRequests() ||
+            utility.HasPendingRequests();
+    }
+};
+
+} // namespace XCEngine::UI::Editor::App