refactor(new_editor): split utility window semantics from workspace

new_editor/app/Platform/Win32/EditorUtilityWindowRegistry.cpp

@@ -0,0 +1,50 @@
+#include "Platform/Win32/EditorUtilityWindowRegistry.h"
+
+#include "Platform/Win32/EditorColorPickerUtilityWindowContentController.h"
+
+namespace XCEngine::UI::Editor::App {
+
+namespace {
+
+using ::XCEngine::UI::UISize;
+
+constexpr EditorUtilityWindowDescriptor kColorPickerUtilityWindowDescriptor = {
+    .kind = EditorUtilityWindowKind::ColorPicker,
+    .windowId = "utility.color-picker",
+    .title = L"Color Picker",
+    .preferredOuterSize = UISize(352.0f, 500.0f),
+    .minimumOuterSize = UISize(320.0f, 460.0f),
+};
+
+}
+
+const EditorUtilityWindowDescriptor* ResolveEditorUtilityWindowDescriptor(
+    EditorUtilityWindowKind kind) {
+    switch (kind) {
+    case EditorUtilityWindowKind::ColorPicker:
+        return &kColorPickerUtilityWindowDescriptor;
+    case EditorUtilityWindowKind::None:
+    default:
+        return nullptr;
+    }
+}
+
+std::unique_ptr<EditorWindowContentController> CreateEditorUtilityWindowContentController(
+    EditorUtilityWindowKind kind) {
+    const EditorUtilityWindowDescriptor* descriptor =
+        ResolveEditorUtilityWindowDescriptor(kind);
+    if (descriptor == nullptr) {
+        return nullptr;
+    }
+
+    switch (kind) {
+    case EditorUtilityWindowKind::ColorPicker:
+        return CreateEditorColorPickerUtilityWindowContentController(
+            descriptor->minimumOuterSize);
+    case EditorUtilityWindowKind::None:
+    default:
+        return nullptr;
+    }
+}
+
+} // namespace XCEngine::UI::Editor::App