refactor(new_editor): streamline internal layout and command routing

new_editor/app/Platform/Win32/WindowManager/Lifecycle.cpp

@@ -0,0 +1,96 @@
+#include "Platform/Win32/EditorWindowManager.h"
+
+#include "State/EditorContext.h"
+#include "Platform/Win32/EditorWindow.h"
+
+#include <XCEditor/Foundation/UIEditorRuntimeTrace.h>
+
+namespace XCEngine::UI::Editor::App {
+
+EditorWindowManager::EditorWindowManager(
+    EditorWindowHostConfig hostConfig,
+    std::filesystem::path repoRoot,
+    EditorContext& editorContext)
+    : m_hostConfig(hostConfig),
+      m_repoRoot(std::move(repoRoot)),
+      m_editorContext(editorContext) {}
+
+EditorWindowManager::~EditorWindowManager() = default;
+
+void EditorWindowManager::Shutdown() {
+    for (const std::unique_ptr<EditorWindow>& window : m_windows) {
+        if (window != nullptr) {
+            DestroyEditorWindow(*window);
+        }
+    }
+    m_windows.clear();
+    m_pendingCreateWindow = nullptr;
+    m_globalTabDragSession = {};
+}
+
+bool EditorWindowManager::HasWindows() const {
+    return !m_windows.empty();
+}
+
+void EditorWindowManager::DestroyEditorWindow(EditorWindow& window) {
+    const HWND hwnd = window.GetHwnd();
+    if (GetCapture() == hwnd) {
+        ReleaseCapture();
+    }
+
+    window.Shutdown();
+    if (hwnd != nullptr && IsWindow(hwnd)) {
+        DestroyWindow(hwnd);
+    }
+    window.MarkDestroyed();
+}
+
+void EditorWindowManager::DestroyClosedWindows() {
+    for (auto it = m_windows.begin(); it != m_windows.end();) {
+        EditorWindow* const window = it->get();
+        if (window == nullptr || window->GetHwnd() != nullptr) {
+            ++it;
+            continue;
+        }
+
+        if (m_pendingCreateWindow == window) {
+            m_pendingCreateWindow = nullptr;
+        }
+
+        window->Shutdown();
+        it = m_windows.erase(it);
+    }
+}
+
+void EditorWindowManager::RenderAllWindows() {
+    for (const std::unique_ptr<EditorWindow>& window : m_windows) {
+        if (window == nullptr || window->GetHwnd() == nullptr) {
+            continue;
+        }
+
+        window->RenderFrame(m_editorContext, IsGlobalTabDragActive());
+    }
+}
+
+void EditorWindowManager::HandleDestroyedWindow(HWND hwnd) {
+    if (EditorWindow* window = FindWindow(hwnd); window != nullptr) {
+        window->MarkDestroyed();
+        if (window->IsPrimary()) {
+            for (const std::unique_ptr<EditorWindow>& otherWindow : m_windows) {
+                if (otherWindow != nullptr &&
+                    otherWindow.get() != window &&
+                    otherWindow->GetHwnd() != nullptr) {
+                    PostMessageW(otherWindow->GetHwnd(), WM_CLOSE, 0, 0);
+                }
+            }
+        }
+    }
+}
+
+void EditorWindowManager::LogRuntimeTrace(
+    std::string_view channel,
+    std::string_view message) const {
+    AppendUIEditorRuntimeTrace(channel, message);
+}
+
+} // namespace XCEngine::UI::Editor::App