1 files changed, 69 insertions, 0 deletions
diff --git a/include/cru/ui/render/text_render_object.hpp b/include/cru/ui/render/text_render_object.hpp
new file mode 100644
index 00000000..7827f994
--- /dev/null
+++ b/include/cru/ui/render/text_render_object.hpp
@@ -0,0 +1,69 @@
+#pragma once
+#include "pre.hpp"
+
+#include "render_object.hpp"
+
+// forward declarations
+struct ID2D1Brush;
+struct IDWriteTextFormat;
+struct IDWriteTextLayout;
+
+namespace cru::ui::render {
+class TextRenderObject : public RenderObject {
+ public:
+  TextRenderObject(ID2D1Brush* brush, IDWriteTextFormat* format,
+                   ID2D1Brush* selection_brush);
+  TextRenderObject(const TextRenderObject& other) = delete;
+  TextRenderObject(TextRenderObject&& other) = delete;
+  TextRenderObject& operator=(const TextRenderObject& other) = delete;
+  TextRenderObject& operator=(TextRenderObject&& other) = delete;
+  ~TextRenderObject() override;
+
+  String GetText() const { return text_; }
+  void SetText(String new_text) {
+    text_ = std::move(new_text);
+    RecreateTextLayout();
+  }
+
+  ID2D1Brush* GetBrush() const { return brush_; }
+  void SetBrush(ID2D1Brush* new_brush);
+
+  IDWriteTextFormat* GetTextFormat() const { return text_format_; }
+  void SetTextFormat(IDWriteTextFormat* new_text_format);
+
+  std::optional<TextRange> GetSelectionRange() const {
+    return selection_range_;
+  }
+  void SetSelectionRange(std::optional<TextRange> new_range) {
+    selection_range_ = std::move(new_range);
+  }
+
+  ID2D1Brush* GetSelectionBrush() const { return selection_brush_; }
+  void SetSelectionBrush(ID2D1Brush* new_brush);
+
+  void Refresh() { RecreateTextLayout(); }
+
+  void Draw(ID2D1RenderTarget* render_target) override;
+
+  RenderObject* HitTest(const Point& point) override;
+
+ protected:
+  void OnSizeChanged(const Size& old_size, const Size& new_size) override;
+
+  Size OnMeasureContent(const Size& available_size) override;
+  void OnLayoutContent(const Rect& content_rect) override;
+
+ private:
+  void RecreateTextLayout();
+
+ private:
+  String text_;
+
+  ID2D1Brush* brush_ = nullptr;
+  IDWriteTextFormat* text_format_ = nullptr;
+  IDWriteTextLayout* text_layout_ = nullptr;
+
+  std::optional<TextRange> selection_range_ = std::nullopt;
+  ID2D1Brush* selection_brush_ = nullptr;
+};
+}  // namespace cru::ui::render