From 39d2c8b3d957e75c3a2a1c738c1628e3eb5c0173 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 23 Mar 2019 00:15:18 +0800
Subject: ...

---
 src/ui/render/render_object.hpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/ui/render/render_object.hpp')

diff --git a/src/ui/render/render_object.hpp b/src/ui/render/render_object.hpp
index a9950198..51b0c3ae 100644
--- a/src/ui/render/render_object.hpp
+++ b/src/ui/render/render_object.hpp
@@ -3,11 +3,13 @@
 
 #include <optional>
 #include <vector>
-#include "system_headers.hpp"
 
 #include "base.hpp"
 #include "ui/ui_base.hpp"
 
+// forward declarations
+struct ID2D1RenderTarget;
+
 namespace cru::ui {
 class Control;
 }
@@ -70,15 +72,14 @@ class RenderObject : public Object {
 
   virtual void OnSizeChanged(const Size& old_size, const Size& new_size);
 
+  virtual void OnMeasureCore(const Size& available_size);
+  virtual void OnLayoutCore(const Rect& rect);
   virtual Size OnMeasureContent(const Size& available_size) = 0;
   virtual void OnLayoutContent(const Rect& content_rect) = 0;
 
  private:
   void SetParent(RenderObject* new_parent);
 
-  void OnMeasureCore(const Size& available_size);
-  void OnLayoutCore(const Rect& rect);
-
  private:
   Control* control_ = nullptr;
 
-- 
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