text: // Copyright 2014 PDFium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
  
  #ifndef FPDFSDK_PWL_CPWL_CARET_H_
  #define FPDFSDK_PWL_CPWL_CARET_H_
  
  #include <memory>
  
  #include "fpdfsdk/pwl/cpwl_wnd.h"
  
  class CPWL_Caret final : public CPWL_Wnd {
   public:
    CPWL_Caret(const CreateParams& cp,
               std::unique_ptr<PrivateData> pAttachedData);
    ~CPWL_Caret() override;
  
    // CPWL_Wnd
    void DrawThisAppearance(CFX_RenderDevice* pDevice,
                            const CFX_Matrix& mtUser2Device) override;
    bool InvalidateRect(CFX_FloatRect* pRect) override;
    bool SetVisible(bool bVisible) override;
    void TimerProc() override;
  
    void SetCaret(bool bVisible,
                  const CFX_PointF& ptHead,
                  const CFX_PointF& ptFoot);
    void SetInvalidRect(const CFX_FloatRect& rc) { m_rcInvalid = rc; }
  
   private:
    CFX_FloatRect GetCaretRect() const;
  
    bool m_bFlash = false;
    CFX_PointF m_ptHead;
    CFX_PointF m_ptFoot;
    float m_fWidth = 0.4f;
    CFX_FloatRect m_rcInvalid;
  };
  
  #endif  // FPDFSDK_PWL_CPWL_CARET_H_
  