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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #ifndef FPDFSDK_INCLUDE_FORMFILLER_FFL_COMBOBOX_H_
      8 #define FPDFSDK_INCLUDE_FORMFILLER_FFL_COMBOBOX_H_
      9 
     10 #include "FFL_FormFiller.h"
     11 #include "core/include/fxcrt/fx_string.h"
     12 
     13 class CBA_FontMap;
     14 class CPDFSDK_Document;
     15 
     16 struct FFL_ComboBoxState {
     17   int nIndex;
     18   int nStart;
     19   int nEnd;
     20   CFX_WideString sValue;
     21 };
     22 
     23 class CFFL_ComboBox : public CFFL_FormFiller,
     24                       public IPWL_FocusHandler,
     25                       public IPWL_Edit_Notify {
     26  public:
     27   CFFL_ComboBox(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pWidget);
     28   ~CFFL_ComboBox() override;
     29 
     30   // CFFL_FormFiller:
     31   PWL_CREATEPARAM GetCreateParam() override;
     32   CPWL_Wnd* NewPDFWindow(const PWL_CREATEPARAM& cp,
     33                          CPDFSDK_PageView* pPageView) override;
     34   FX_BOOL OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags) override;
     35   FX_BOOL IsDataChanged(CPDFSDK_PageView* pPageView) override;
     36   void SaveData(CPDFSDK_PageView* pPageView) override;
     37   void GetActionData(CPDFSDK_PageView* pPageView,
     38                      CPDF_AAction::AActionType type,
     39                      PDFSDK_FieldAction& fa) override;
     40   void SetActionData(CPDFSDK_PageView* pPageView,
     41                      CPDF_AAction::AActionType type,
     42                      const PDFSDK_FieldAction& fa) override;
     43   FX_BOOL IsActionDataChanged(CPDF_AAction::AActionType type,
     44                               const PDFSDK_FieldAction& faOld,
     45                               const PDFSDK_FieldAction& faNew) override;
     46   void SaveState(CPDFSDK_PageView* pPageView) override;
     47   void RestoreState(CPDFSDK_PageView* pPageView) override;
     48   CPWL_Wnd* ResetPDFWindow(CPDFSDK_PageView* pPageView,
     49                            FX_BOOL bRestoreValue) override;
     50 
     51   // IPWL_FocusHandler:
     52   void OnSetFocus(CPWL_Wnd* pWnd) override;
     53   void OnKillFocus(CPWL_Wnd* pWnd) override;
     54 
     55   // IPWL_Edit_Notify:
     56   void OnAddUndo(CPWL_Edit* pEdit) override;
     57 
     58 #ifdef PDF_ENABLE_XFA
     59   // CFFL_FormFiller:
     60   FX_BOOL IsFieldFull(CPDFSDK_PageView* pPageView) override;
     61 #endif  // PDF_ENABLE_XFA
     62 
     63  private:
     64   CFX_WideString GetSelectExportText();
     65 
     66   CBA_FontMap* m_pFontMap;
     67   FFL_ComboBoxState m_State;
     68 };
     69 
     70 #endif  // FPDFSDK_INCLUDE_FORMFILLER_FFL_COMBOBOX_H_
     71