Split utility window contracts from feature factories

editor/app/Core/UtilityWindows/EditorUtilityWindowRegistry.cpp

@@ -0,0 +1,56 @@
+#include "Core/UtilityWindows/EditorUtilityWindowRegistry.h"
+
+namespace XCEngine::UI::Editor::App {
+
+namespace {
+
+using ::XCEngine::UI::UISize;
+
+constexpr EditorWindowChromePolicy kUtilityWindowChromePolicy = {
+    .allowDetachedTitleBarTabStrip = false,
+    .showFrameStats = false,
+    .showTopmostButton = true,
+    .topmostByDefault = true,
+};
+
+constexpr EditorWindowNativeHostPolicy kUtilityWindowNativeHostPolicy = {
+    .shellRole = EditorWindowNativeShellRole::ToolWindow,
+};
+
+constexpr EditorUtilityWindowDescriptor kColorPickerUtilityWindowDescriptor = {
+    .kind = EditorUtilityWindowKind::ColorPicker,
+    .windowId = "utility.color-picker",
+    .title = L"Color Picker",
+    .chromePolicy = kUtilityWindowChromePolicy,
+    .nativeHostPolicy = kUtilityWindowNativeHostPolicy,
+    .preferredOuterSize = UISize(400.0f, 600.0f),
+    .minimumOuterSize = UISize(360.0f, 560.0f),
+};
+
+constexpr EditorUtilityWindowDescriptor kAddComponentUtilityWindowDescriptor = {
+    .kind = EditorUtilityWindowKind::AddComponent,
+    .windowId = "utility.add-component",
+    .title = L"Add Component",
+    .chromePolicy = kUtilityWindowChromePolicy,
+    .nativeHostPolicy = kUtilityWindowNativeHostPolicy,
+    .preferredOuterSize = UISize(352.0f, 500.0f),
+    .minimumOuterSize = UISize(320.0f, 460.0f),
+};
+
+} // namespace
+
+const EditorUtilityWindowDescriptor* ResolveEditorUtilityWindowDescriptor(
+    EditorUtilityWindowKind kind) {
+    switch (kind) {
+    case EditorUtilityWindowKind::ColorPicker:
+        return &kColorPickerUtilityWindowDescriptor;
+    case EditorUtilityWindowKind::AddComponent:
+        return &kAddComponentUtilityWindowDescriptor;
+    case EditorUtilityWindowKind::None:
+    default:
+        return nullptr;
+    }
+}
+
+} // namespace XCEngine::UI::Editor::App
+

editor/app/Core/UtilityWindows/EditorUtilityWindowRegistry.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include "Core/UtilityWindows/EditorUtilityWindowRuntime.h"
+
+namespace XCEngine::UI::Editor::App {
+
+const EditorUtilityWindowDescriptor* ResolveEditorUtilityWindowDescriptor(
+    EditorUtilityWindowKind kind);
+
+} // namespace XCEngine::UI::Editor::App
+

editor/app/Core/UtilityWindows/EditorUtilityWindowRuntime.h

@@ -0,0 +1,65 @@
+#pragma once
+
+#include "Core/Windowing/EditorWindowTypes.h"
+
+#include <XCEngine/UI/DrawData.h>
+#include <XCEngine/UI/Types.h>
+
+#include <cstdint>
+#include <functional>
+#include <memory>
+#include <string_view>
+#include <vector>
+
+namespace XCEngine::UI::Editor::App {
+
+class EditorContext;
+
+enum class EditorUtilityWindowKind : std::uint8_t {
+    None = 0,
+    ColorPicker,
+    AddComponent,
+};
+
+enum class EditorUtilityWindowReusePolicy {
+    SingleInstance = 0,
+};
+
+struct EditorUtilityWindowDescriptor {
+    EditorUtilityWindowKind kind = EditorUtilityWindowKind::None;
+    std::string_view windowId = {};
+    const wchar_t* title = L"";
+    EditorUtilityWindowReusePolicy reusePolicy =
+        EditorUtilityWindowReusePolicy::SingleInstance;
+    EditorWindowChromePolicy chromePolicy = {};
+    EditorWindowNativeHostPolicy nativeHostPolicy = {};
+    ::XCEngine::UI::UISize preferredOuterSize = {};
+    ::XCEngine::UI::UISize minimumOuterSize = {};
+};
+
+struct EditorUtilityWindowHostContext {
+    bool mounted = false;
+    ::XCEngine::UI::UIRect bounds = {};
+    bool allowInteraction = false;
+    bool focused = false;
+    bool focusGained = false;
+    bool focusLost = false;
+};
+
+class EditorUtilityWindowPanel {
+public:
+    virtual ~EditorUtilityWindowPanel() = default;
+
+    virtual std::string_view GetDrawListId() const = 0;
+    virtual void ResetInteractionState() = 0;
+    virtual void Update(
+        EditorContext& context,
+        const EditorUtilityWindowHostContext& hostContext,
+        const std::vector<::XCEngine::UI::UIInputEvent>& inputEvents) = 0;
+    virtual void Append(::XCEngine::UI::UIDrawList& drawList) const = 0;
+};
+
+using EditorUtilityWindowPanelFactory =
+    std::function<std::unique_ptr<EditorUtilityWindowPanel>(EditorUtilityWindowKind)>;
+
+} // namespace XCEngine::UI::Editor::App