3 files changed, 36 insertions, 6 deletions
diff --git a/include/cru/ui/control.hpp b/include/cru/ui/control.hpp
index 30dc589a..d66405e6 100644
--- a/include/cru/ui/control.hpp
+++ b/include/cru/ui/control.hpp
@@ -147,12 +147,6 @@ class Control : public Object {
  private:
   bool is_mouse_over_ = false;
 
-  struct {
-    bool left;
-    bool middle;
-    bool right;
-  } click_map_;
-
   std::shared_ptr<platform::native::ICursor> cursor_ = nullptr;
 };
 }  // namespace cru::ui
diff --git a/include/cru/ui/controls/text_box.hpp b/include/cru/ui/controls/text_box.hpp
index c0160658..15fcb734 100644
--- a/include/cru/ui/controls/text_box.hpp
+++ b/include/cru/ui/controls/text_box.hpp
@@ -2,6 +2,8 @@
 #include "../no_child_control.hpp"
 #include "base.hpp"
 
+#include <memory>
+
 namespace cru::ui::controls {
 template <typename TControl>
 class TextControlService;
@@ -10,6 +12,8 @@ class TextBox : public NoChildControl {
  public:
   static constexpr std::string_view control_type = "TextBox";
 
+  static TextBox* Create() { return new TextBox(); }
+
  protected:
   TextBox();
 
@@ -21,6 +25,8 @@ class TextBox : public NoChildControl {
 
   std::string_view GetControlType() const final { return control_type; }
 
+  render::RenderObject* GetRenderObject() const override;
+
   render::TextRenderObject* GetTextRenderObject();
 
   const TextBoxBorderStyle& GetBorderStyle();
diff --git a/include/cru/ui/render/scroll_render_object.hpp b/include/cru/ui/render/scroll_render_object.hpp
new file mode 100644
index 00000000..1527db6c
--- /dev/null
+++ b/include/cru/ui/render/scroll_render_object.hpp
@@ -0,0 +1,30 @@
+#pragma once
+#include "render_object.hpp"
+
+#include "cru/platform/graph/util/painter.hpp"
+
+namespace cru::ui::render {
+class ScrollRenderObject : public RenderObject {
+ public:
+  ScrollRenderObject() : RenderObject(ChildMode::Single) {}
+
+  CRU_DELETE_COPY(ScrollRenderObject)
+  CRU_DELETE_MOVE(ScrollRenderObject)
+
+  ~ScrollRenderObject() override = default;
+
+  void Draw(platform::graph::IPainter* painter) override;
+
+  RenderObject* HitTest(const Point& point) override;
+
+  Point GetScrollOffset() { return scroll_offset_; }
+  void SetScrollOffset(const Point& offset);
+
+ protected:
+  void OnAddChild(RenderObject* new_child, Index position) override;
+  void OnRemoveChild(RenderObject* removed_child, Index position) override;
+
+ private:
+  Point scroll_offset_;
+};
+}  // namespace cru::ui::render