Extract new editor host command session bridge

new_editor/CMakeLists.txt

@@ -147,7 +147,9 @@ if(XCENGINE_BUILD_XCUI_EDITOR_APP)
     add_executable(XCUIEditorApp WIN32
         app/main.cpp
         app/Application.cpp
+        app/Commands/ProductEditorHostCommandBridge.cpp
         app/Core/ProductEditorContext.cpp
+        app/Core/ProductEditorSession.cpp
         app/Icons/ProductBuiltInIcons.cpp
         app/Panels/ProductHierarchyPanel.cpp
         app/Panels/ProductProjectPanel.cpp

new_editor/app/Application.cpp

@@ -377,7 +377,7 @@ bool Application::Initialize(HINSTANCE hInstance, int nCmdShow) {
     InitializeUIEditorRuntimeTrace(logRoot);
     SetUnhandledExceptionFilter(&Application::HandleUnhandledException);
     LogRuntimeTrace("app", "initialize begin");
-    if (!m_editorContext.Initialize(repoRoot, *this)) {
+    if (!m_editorContext.Initialize(repoRoot)) {
         LogRuntimeTrace(
             "app",
             "shell asset validation failed: " + m_editorContext.GetValidationMessage());
@@ -417,6 +417,11 @@ bool Application::Initialize(HINSTANCE hInstance, int nCmdShow) {
     m_windowDpi = QueryWindowDpi(m_hwnd);
     m_dpiScale = GetDpiScale();
     m_renderer.SetDpiScale(m_dpiScale);
+    m_editorContext.SetExitRequestHandler([this]() {
+        if (m_hwnd != nullptr) {
+            PostMessageW(m_hwnd, WM_CLOSE, 0, 0);
+        }
+    });
 
     std::ostringstream dpiTrace = {};
     dpiTrace << "initial dpi=" << m_windowDpi << " scale=" << m_dpiScale;
@@ -811,69 +816,6 @@ LONG WINAPI Application::HandleUnhandledException(EXCEPTION_POINTERS* exceptionI
     return EXCEPTION_EXECUTE_HANDLER;
 }
 
-UIEditorHostCommandEvaluationResult Application::EvaluateHostCommand(
-    std::string_view commandId) const {
-    UIEditorHostCommandEvaluationResult result = {};
-    if (commandId == "file.exit") {
-        result.executable = true;
-        result.message = "Exit command is ready.";
-        return result;
-    }
-
-    if (commandId == "help.about") {
-        result.executable = true;
-        result.message = "About placeholder is ready.";
-        return result;
-    }
-
-    if (commandId.rfind("file.", 0u) == 0u) {
-        result.message = "Document command bridge is not attached yet.";
-        return result;
-    }
-    if (commandId.rfind("edit.", 0u) == 0u) {
-        result.message = "Edit route bridge is not attached yet.";
-        return result;
-    }
-    if (commandId.rfind("assets.", 0u) == 0u) {
-        result.message = "Asset pipeline bridge is not attached yet.";
-        return result;
-    }
-    if (commandId.rfind("run.", 0u) == 0u) {
-        result.message = "Runtime bridge is not attached yet.";
-        return result;
-    }
-    if (commandId.rfind("scripts.", 0u) == 0u) {
-        result.message = "Script pipeline bridge is not attached yet.";
-        return result;
-    }
-
-    result.message = "Host command is not attached yet.";
-    return result;
-}
-
-UIEditorHostCommandDispatchResult Application::DispatchHostCommand(
-    std::string_view commandId) {
-    UIEditorHostCommandDispatchResult result = {};
-    if (commandId == "file.exit") {
-        result.commandExecuted = true;
-        result.message = "Exit requested.";
-        if (m_hwnd != nullptr) {
-            PostMessageW(m_hwnd, WM_CLOSE, 0, 0);
-        }
-        return result;
-    }
-
-    if (commandId == "help.about") {
-        result.commandExecuted = true;
-        result.message = "About dialog will be wired after modal layer lands.";
-        m_editorContext.SetStatus("About", result.message);
-        return result;
-    }
-
-    result.message = "Host command dispatch rejected.";
-    return result;
-}
-
 LRESULT CALLBACK Application::WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) {
     if (message == WM_NCCREATE) {
         TryEnableNonClientDpiScaling(hwnd);

new_editor/app/Application.h

@@ -24,17 +24,12 @@
 
 namespace XCEngine::UI::Editor {
 
-class Application : public UIEditorHostCommandHandler {
+class Application {
 public:
     Application() = default;
 
     int Run(HINSTANCE hInstance, int nCmdShow);
 
-    UIEditorHostCommandEvaluationResult EvaluateHostCommand(
-        std::string_view commandId) const override;
-    UIEditorHostCommandDispatchResult DispatchHostCommand(
-        std::string_view commandId) override;
-
 private:
     static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
 

new_editor/app/Commands/ProductEditorHostCommandBridge.cpp

@@ -0,0 +1,156 @@
+#include "ProductEditorHostCommandBridge.h"
+
+#include <string>
+
+namespace XCEngine::UI::Editor::App {
+
+void ProductEditorHostCommandBridge::BindSession(ProductEditorSession& session) {
+    m_session = &session;
+}
+
+void ProductEditorHostCommandBridge::SetExitRequestHandler(std::function<void()> handler) {
+    m_requestExit = std::move(handler);
+}
+
+UIEditorHostCommandEvaluationResult ProductEditorHostCommandBridge::EvaluateHostCommand(
+    std::string_view commandId) const {
+    UIEditorHostCommandEvaluationResult result = {};
+
+    if (commandId == "file.exit") {
+        result.executable = true;
+        result.message = "Exit command is ready.";
+        return result;
+    }
+
+    if (commandId == "help.about") {
+        result.executable = true;
+        result.message = "About placeholder is ready.";
+        return result;
+    }
+
+    if (commandId.rfind("edit.", 0u) == 0u) {
+        return EvaluateEditCommand(commandId);
+    }
+
+    if (commandId.rfind("file.", 0u) == 0u) {
+        return BuildDisabledResult("Document command bridge is not attached yet.");
+    }
+    if (commandId.rfind("assets.", 0u) == 0u) {
+        return BuildDisabledResult("Asset pipeline bridge is not attached yet.");
+    }
+    if (commandId.rfind("run.", 0u) == 0u) {
+        return BuildDisabledResult("Runtime bridge is not attached yet.");
+    }
+    if (commandId.rfind("scripts.", 0u) == 0u) {
+        return BuildDisabledResult("Script pipeline bridge is not attached yet.");
+    }
+
+    return BuildDisabledResult("Host command is not attached yet.");
+}
+
+UIEditorHostCommandDispatchResult ProductEditorHostCommandBridge::DispatchHostCommand(
+    std::string_view commandId) {
+    UIEditorHostCommandDispatchResult result = {};
+
+    if (commandId == "file.exit") {
+        result.commandExecuted = true;
+        result.message = "Exit requested.";
+        if (m_requestExit) {
+            m_requestExit();
+        }
+        return result;
+    }
+
+    if (commandId == "help.about") {
+        result.commandExecuted = true;
+        result.message = "About dialog will be wired after modal layer lands.";
+        return result;
+    }
+
+    if (commandId.rfind("edit.", 0u) == 0u) {
+        return DispatchEditCommand(commandId);
+    }
+
+    result.message = EvaluateHostCommand(commandId).message;
+    return result;
+}
+
+UIEditorHostCommandEvaluationResult ProductEditorHostCommandBridge::BuildDisabledResult(
+    std::string_view message) const {
+    UIEditorHostCommandEvaluationResult result = {};
+    result.executable = false;
+    result.message = std::string(message);
+    return result;
+}
+
+UIEditorHostCommandEvaluationResult ProductEditorHostCommandBridge::EvaluateEditCommand(
+    std::string_view commandId) const {
+    if (m_session == nullptr) {
+        return BuildDisabledResult("Editor session is not attached yet.");
+    }
+
+    switch (m_session->activeRoute) {
+    case ProductEditorActionRoute::Hierarchy:
+        if (SupportsHierarchyEditCommands(commandId)) {
+            return UIEditorHostCommandEvaluationResult{
+                true,
+                "Hierarchy edit route placeholder is active."
+            };
+        }
+        return BuildDisabledResult("Current hierarchy route does not expose this command yet.");
+    case ProductEditorActionRoute::Project:
+        if (SupportsProjectEditCommands(commandId)) {
+            return UIEditorHostCommandEvaluationResult{
+                true,
+                "Project edit route placeholder is active."
+            };
+        }
+        return BuildDisabledResult("Current project route does not expose this command yet.");
+    case ProductEditorActionRoute::None:
+        return BuildDisabledResult("No active edit route.");
+    default:
+        return BuildDisabledResult("Current panel does not expose edit commands yet.");
+    }
+}
+
+UIEditorHostCommandDispatchResult ProductEditorHostCommandBridge::DispatchEditCommand(
+    std::string_view commandId) {
+    UIEditorHostCommandDispatchResult result = {};
+    const UIEditorHostCommandEvaluationResult evaluation = EvaluateEditCommand(commandId);
+    if (!evaluation.executable) {
+        result.message = evaluation.message;
+        return result;
+    }
+
+    result.commandExecuted = true;
+    switch (m_session != nullptr ? m_session->activeRoute : ProductEditorActionRoute::None) {
+    case ProductEditorActionRoute::Hierarchy:
+        result.message = "Hierarchy edit command route reached.";
+        break;
+    case ProductEditorActionRoute::Project:
+        result.message = "Project edit command route reached.";
+        break;
+    default:
+        result.message = "Edit command route reached.";
+        break;
+    }
+    return result;
+}
+
+bool ProductEditorHostCommandBridge::SupportsHierarchyEditCommands(
+    std::string_view commandId) const {
+    return commandId == "edit.cut" ||
+        commandId == "edit.copy" ||
+        commandId == "edit.paste" ||
+        commandId == "edit.duplicate" ||
+        commandId == "edit.delete" ||
+        commandId == "edit.rename";
+}
+
+bool ProductEditorHostCommandBridge::SupportsProjectEditCommands(
+    std::string_view commandId) const {
+    return commandId == "edit.delete" ||
+        commandId == "edit.rename";
+}
+
+} // namespace XCEngine::UI::Editor::App

new_editor/app/Commands/ProductEditorHostCommandBridge.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include "Core/ProductEditorSession.h"
+
+#include <XCEditor/Foundation/UIEditorCommandDispatcher.h>
+
+#include <functional>
+#include <string_view>
+
+namespace XCEngine::UI::Editor::App {
+
+class ProductEditorHostCommandBridge : public UIEditorHostCommandHandler {
+public:
+    void BindSession(ProductEditorSession& session);
+    void SetExitRequestHandler(std::function<void()> handler);
+
+    UIEditorHostCommandEvaluationResult EvaluateHostCommand(
+        std::string_view commandId) const override;
+    UIEditorHostCommandDispatchResult DispatchHostCommand(
+        std::string_view commandId) override;
+
+private:
+    UIEditorHostCommandEvaluationResult BuildDisabledResult(
+        std::string_view message) const;
+    UIEditorHostCommandEvaluationResult EvaluateEditCommand(
+        std::string_view commandId) const;
+    UIEditorHostCommandDispatchResult DispatchEditCommand(
+        std::string_view commandId);
+    bool SupportsHierarchyEditCommands(std::string_view commandId) const;
+    bool SupportsProjectEditCommands(std::string_view commandId) const;
+
+    ProductEditorSession* m_session = nullptr;
+    std::function<void()> m_requestExit = {};
+};
+
+} // namespace XCEngine::UI::Editor::App

new_editor/app/Core/ProductEditorContext.cpp

@@ -28,21 +28,24 @@ std::string ComposeStatusText(
 
 } // namespace
 
-bool ProductEditorContext::Initialize(
-    const std::filesystem::path& repoRoot,
-    UIEditorHostCommandHandler& hostCommandHandler) {
+bool ProductEditorContext::Initialize(const std::filesystem::path& repoRoot) {
     m_shellAsset = BuildProductShellAsset(repoRoot);
     m_shellValidation = ValidateEditorShellAsset(m_shellAsset);
     if (!m_shellValidation.IsValid()) {
         return false;
     }
 
+    m_session = {};
+    m_session.repoRoot = repoRoot;
+    m_session.projectRoot = (repoRoot / "project").lexically_normal();
     m_workspaceController = UIEditorWorkspaceController(
         m_shellAsset.panelRegistry,
         m_shellAsset.workspace,
         m_shellAsset.workspaceSession);
+    SyncSessionFromWorkspace();
+    m_hostCommandBridge.BindSession(m_session);
     m_shortcutManager = BuildEditorShellShortcutManager(m_shellAsset);
-    m_shortcutManager.SetHostCommandHandler(&hostCommandHandler);
+    m_shortcutManager.SetHostCommandHandler(&m_hostCommandBridge);
     m_shellServices = {};
     m_shellServices.commandDispatcher = &m_shortcutManager.GetCommandDispatcher();
     m_shellServices.shortcutManager = &m_shortcutManager;
@@ -55,6 +58,14 @@ void ProductEditorContext::AttachTextMeasurer(
     m_shellServices.textMeasurer = &textMeasurer;
 }
 
+void ProductEditorContext::SetExitRequestHandler(std::function<void()> handler) {
+    m_hostCommandBridge.SetExitRequestHandler(std::move(handler));
+}
+
+void ProductEditorContext::SyncSessionFromWorkspace() {
+    SyncProductEditorSessionFromWorkspace(m_session, m_workspaceController);
+}
+
 bool ProductEditorContext::IsValid() const {
     return m_shellValidation.IsValid();
 }
@@ -67,6 +78,10 @@ const EditorShellAsset& ProductEditorContext::GetShellAsset() const {
     return m_shellAsset;
 }
 
+const ProductEditorSession& ProductEditorContext::GetSession() const {
+    return m_session;
+}
+
 UIEditorWorkspaceController& ProductEditorContext::GetWorkspaceController() {
     return m_workspaceController;
 }

new_editor/app/Core/ProductEditorContext.h

@@ -1,33 +1,31 @@
 #pragma once
 
+#include "Commands/ProductEditorHostCommandBridge.h"
+#include "Core/ProductEditorSession.h"
+
 #include <XCEditor/Foundation/UIEditorShortcutManager.h>
 #include <XCEditor/Shell/UIEditorShellAsset.h>
 #include <XCEditor/Shell/UIEditorShellInteraction.h>
 #include <XCEditor/Shell/UIEditorWorkspaceController.h>
 
 #include <filesystem>
+#include <functional>
 #include <string>
 #include <string_view>
 
-namespace XCEngine::UI::Editor {
-
-class UIEditorHostCommandHandler;
-struct UIEditorTextMeasurer;
-
-} // namespace XCEngine::UI::Editor
-
 namespace XCEngine::UI::Editor::App {
 
 class ProductEditorContext {
 public:
-    bool Initialize(
-        const std::filesystem::path& repoRoot,
-        UIEditorHostCommandHandler& hostCommandHandler);
+    bool Initialize(const std::filesystem::path& repoRoot);
     void AttachTextMeasurer(const UIEditorTextMeasurer& textMeasurer);
+    void SetExitRequestHandler(std::function<void()> handler);
+    void SyncSessionFromWorkspace();
 
     bool IsValid() const;
     const std::string& GetValidationMessage() const;
     const EditorShellAsset& GetShellAsset() const;
+    const ProductEditorSession& GetSession() const;
 
     UIEditorWorkspaceController& GetWorkspaceController();
     const UIEditorWorkspaceController& GetWorkspaceController() const;
@@ -48,6 +46,8 @@ private:
     UIEditorWorkspaceController m_workspaceController = {};
     UIEditorShortcutManager m_shortcutManager = {};
     UIEditorShellInteractionServices m_shellServices = {};
+    ProductEditorSession m_session = {};
+    ProductEditorHostCommandBridge m_hostCommandBridge = {};
     std::string m_lastStatus = {};
     std::string m_lastMessage = {};
 };

new_editor/app/Core/ProductEditorSession.cpp

@@ -0,0 +1,67 @@
+#include "ProductEditorSession.h"
+
+namespace XCEngine::UI::Editor::App {
+
+std::string_view GetProductEditorRuntimeModeName(ProductEditorRuntimeMode mode) {
+    switch (mode) {
+    case ProductEditorRuntimeMode::Edit:
+        return "Edit";
+    case ProductEditorRuntimeMode::Play:
+        return "Play";
+    case ProductEditorRuntimeMode::Paused:
+        return "Paused";
+    default:
+        return "Unknown";
+    }
+}
+
+std::string_view GetProductEditorActionRouteName(ProductEditorActionRoute route) {
+    switch (route) {
+    case ProductEditorActionRoute::Hierarchy:
+        return "Hierarchy";
+    case ProductEditorActionRoute::Project:
+        return "Project";
+    case ProductEditorActionRoute::Inspector:
+        return "Inspector";
+    case ProductEditorActionRoute::Console:
+        return "Console";
+    case ProductEditorActionRoute::Scene:
+        return "Scene";
+    case ProductEditorActionRoute::Game:
+        return "Game";
+    case ProductEditorActionRoute::None:
+    default:
+        return "None";
+    }
+}
+
+ProductEditorActionRoute ResolveProductEditorActionRoute(std::string_view panelId) {
+    if (panelId == "hierarchy") {
+        return ProductEditorActionRoute::Hierarchy;
+    }
+    if (panelId == "project") {
+        return ProductEditorActionRoute::Project;
+    }
+    if (panelId == "inspector") {
+        return ProductEditorActionRoute::Inspector;
+    }
+    if (panelId == "console") {
+        return ProductEditorActionRoute::Console;
+    }
+    if (panelId == "scene") {
+        return ProductEditorActionRoute::Scene;
+    }
+    if (panelId == "game") {
+        return ProductEditorActionRoute::Game;
+    }
+    return ProductEditorActionRoute::None;
+}
+
+void SyncProductEditorSessionFromWorkspace(
+    ProductEditorSession& session,
+    const UIEditorWorkspaceController& controller) {
+    session.activePanelId = controller.GetWorkspace().activePanelId;
+    session.activeRoute = ResolveProductEditorActionRoute(session.activePanelId);
+}
+
+} // namespace XCEngine::UI::Editor::App

new_editor/app/Core/ProductEditorSession.h

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <XCEditor/Shell/UIEditorWorkspaceController.h>
+
+#include <cstdint>
+#include <filesystem>
+#include <string>
+#include <string_view>
+
+namespace XCEngine::UI::Editor::App {
+
+enum class ProductEditorRuntimeMode : std::uint8_t {
+    Edit = 0,
+    Play,
+    Paused
+};
+
+enum class ProductEditorActionRoute : std::uint8_t {
+    None = 0,
+    Hierarchy,
+    Project,
+    Inspector,
+    Console,
+    Scene,
+    Game
+};
+
+struct ProductEditorSession {
+    std::filesystem::path repoRoot = {};
+    std::filesystem::path projectRoot = {};
+    std::string activePanelId = {};
+    ProductEditorRuntimeMode runtimeMode = ProductEditorRuntimeMode::Edit;
+    ProductEditorActionRoute activeRoute = ProductEditorActionRoute::None;
+};
+
+std::string_view GetProductEditorRuntimeModeName(ProductEditorRuntimeMode mode);
+std::string_view GetProductEditorActionRouteName(ProductEditorActionRoute route);
+
+ProductEditorActionRoute ResolveProductEditorActionRoute(std::string_view panelId);
+
+void SyncProductEditorSessionFromWorkspace(
+    ProductEditorSession& session,
+    const UIEditorWorkspaceController& controller);
+
+} // namespace XCEngine::UI::Editor::App

new_editor/app/Workspace/ProductEditorWorkspace.cpp

@@ -99,6 +99,7 @@ void ProductEditorWorkspace::Update(
     const std::vector<::XCEngine::UI::UIInputEvent>& inputEvents,
     std::string_view captureText) {
     const auto& metrics = ResolveUIEditorShellInteractionMetrics();
+    context.SyncSessionFromWorkspace();
     const UIEditorShellInteractionDefinition definition =
         context.BuildShellDefinition(captureText);
     const std::vector<UIInputEvent> hostedContentEvents = inputEvents;
@@ -115,6 +116,7 @@ void ProductEditorWorkspace::Update(
         shellEvents,
         context.GetShellServices(),
         metrics);
+    context.SyncSessionFromWorkspace();
     context.UpdateStatusFromShellResult(m_shellFrame.result);
 
     const std::string& activePanelId =