// 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 XFA_FWL_CORE_IFWL_CARET_H_ #define XFA_FWL_CORE_IFWL_CARET_H_ #include <memory> #include "xfa/fwl/core/ifwl_timer.h" #include "xfa/fwl/core/ifwl_widget.h" #include "xfa/fxgraphics/cfx_color.h" class CFWL_WidgetImpProperties; class IFWL_Widget; class CFWL_CaretImpDelegate; #define FWL_CLASS_Caret L"FWL_CARET" #define FWL_STATE_CAT_HightLight 1 class IFWL_Caret : public IFWL_Widget { public: IFWL_Caret(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter); ~IFWL_Caret() override; // IFWL_Widget FWL_Error GetClassName(CFX_WideString& wsClass) const override; FWL_Type GetClassID() const override; FWL_Error Initialize() override; FWL_Error Finalize() override; FWL_Error DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix = nullptr) override; void ShowCaret(FX_BOOL bFlag = TRUE); FWL_Error GetFrequency(uint32_t& elapse); FWL_Error SetFrequency(uint32_t elapse); FWL_Error SetColor(CFX_Color crFill); protected: friend class CFWL_CaretImpDelegate; friend class CFWL_CaretTimer; class CFWL_CaretTimer : public IFWL_Timer { public: explicit CFWL_CaretTimer(IFWL_Caret* pCaret); ~CFWL_CaretTimer() override {} void Run(IFWL_TimerInfo* hTimer) override; IFWL_Caret* const m_pCaret; }; void DrawCaretBK(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme, const CFX_Matrix* pMatrix); std::unique_ptr<CFWL_CaretTimer> m_pTimer; IFWL_TimerInfo* m_pTimerInfo; // not owned. uint32_t m_dwElapse; CFX_Color m_crFill; FX_BOOL m_bSetColor; }; class CFWL_CaretImpDelegate : public CFWL_WidgetImpDelegate { public: CFWL_CaretImpDelegate(IFWL_Caret* pOwner); void OnProcessMessage(CFWL_Message* pMessage) override; void OnDrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix = nullptr) override; protected: IFWL_Caret* m_pOwner; }; #endif // XFA_FWL_CORE_IFWL_CARET_H_