From 73b90d4fe6c93a288ca6514432fe1e83ddcf4928 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 21 Nov 2021 16:53:10 +0800
Subject: ...

---
 include/cru/osx/graphics/quartz/TextLayout.hpp | 5 +++++
 include/cru/ui/controls/TextBox.hpp            | 3 +++
 2 files changed, 8 insertions(+)

(limited to 'include')

diff --git a/include/cru/osx/graphics/quartz/TextLayout.hpp b/include/cru/osx/graphics/quartz/TextLayout.hpp
index d069cc28..80c257cc 100644
--- a/include/cru/osx/graphics/quartz/TextLayout.hpp
+++ b/include/cru/osx/graphics/quartz/TextLayout.hpp
@@ -45,6 +45,8 @@ class OsxCTTextLayout : public OsxQuartzResource, public virtual ITextLayout {
   String GetDebugString() override;
 
  private:
+  void DoSetText(String text);
+
   void ReleaseResource();
   void RecreateFrame();
 
@@ -72,6 +74,9 @@ class OsxCTTextLayout : public OsxQuartzResource, public virtual ITextLayout {
   int line_count_;
   std::vector<CGPoint> line_origins_;
   std::vector<CTLineRef> lines_;
+  std::vector<float> line_ascents_;
+  std::vector<float> line_descents_;
+  std::vector<float> line_heights_;
   // The empty line count in the front of the lines.
   int head_empty_line_count_;
   // The trailing empty line count in the back of the lines.
diff --git a/include/cru/ui/controls/TextBox.hpp b/include/cru/ui/controls/TextBox.hpp
index f3925c88..baca6e3e 100644
--- a/include/cru/ui/controls/TextBox.hpp
+++ b/include/cru/ui/controls/TextBox.hpp
@@ -34,6 +34,9 @@ class TextBox : public NoChildControl,
   gsl::not_null<render::TextRenderObject*> GetTextRenderObject() override;
   render::ScrollRenderObject* GetScrollRenderObject() override;
 
+  bool GetMultiLine() const;
+  void SetMultiLine(bool value);
+
   void ApplyBorderStyle(const style::ApplyBorderStyleInfo& style) override;
 
  private:
-- 
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