Refine XCEditor docking and DPI rendering

new_editor/app/Application.h

@@ -42,10 +42,18 @@ private:
     void Shutdown();
     void RenderFrame();
     void OnResize(UINT width, UINT height);
+    void OnDpiChanged(UINT dpi, const RECT& suggestedRect);
+    float GetDpiScale() const;
+    float PixelsToDips(float pixels) const;
+    ::XCEngine::UI::UIPoint ConvertClientPixelsToDips(LONG x, LONG y) const;
+    void LogRuntimeTrace(std::string_view channel, std::string_view message) const;
     void ApplyHostCaptureRequests(const UIEditorShellInteractionResult& result);
     bool HasInteractiveCaptureState() const;
     UIEditorShellInteractionDefinition BuildShellDefinition() const;
     void UpdateLastStatus(const UIEditorShellInteractionResult& result);
+    std::string DescribeWorkspaceState() const;
+    std::string DescribeInputEvents(
+        const std::vector<::XCEngine::UI::UIInputEvent>& events) const;
     void QueuePointerEvent(
         ::XCEngine::UI::UIInputEventType type,
         ::XCEngine::UI::UIPointerButton button,
@@ -57,6 +65,7 @@ private:
     void QueueCharacterEvent(WPARAM wParam, LPARAM lParam);
     void QueueWindowFocusEvent(::XCEngine::UI::UIInputEventType type);
     static std::filesystem::path ResolveRepoRootPath();
+    static LONG WINAPI HandleUnhandledException(EXCEPTION_POINTERS* exceptionInfo);
 
     HWND m_hwnd = nullptr;
     HINSTANCE m_hInstance = nullptr;
@@ -76,6 +85,8 @@ private:
     std::string m_validationMessage = {};
     std::string m_lastStatus = {};
     std::string m_lastMessage = {};
+    UINT m_windowDpi = 96u;
+    float m_dpiScale = 1.0f;
 };
 
 int RunXCUIEditorApp(HINSTANCE hInstance, int nCmdShow);