// 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_INCLUDE_PDFWINDOW_PWL_COMBOBOX_H_
#define FPDFSDK_INCLUDE_PDFWINDOW_PWL_COMBOBOX_H_

#include "PWL_Edit.h"
#include "PWL_ListBox.h"
#include "PWL_Wnd.h"

class CPWL_CBEdit : public CPWL_Edit {
 public:
  CPWL_CBEdit(){};
  virtual ~CPWL_CBEdit(){};
};

class CPWL_CBListBox : public CPWL_ListBox {
 public:
  CPWL_CBListBox(){};
  virtual ~CPWL_CBListBox(){};

 public:
  virtual FX_BOOL OnLButtonUp(const CPDF_Point& point, FX_DWORD nFlag);

  FX_BOOL OnKeyDownWithExit(FX_WORD nChar, FX_BOOL& bExit, FX_DWORD nFlag);
  FX_BOOL OnCharWithExit(FX_WORD nChar, FX_BOOL& bExit, FX_DWORD nFlag);
};

#define PWL_COMBOBOX_BUTTON_WIDTH 13

class CPWL_CBButton : public CPWL_Wnd {
 public:
  CPWL_CBButton(){};
  virtual ~CPWL_CBButton(){};

 public:
  virtual void GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream);
  virtual void DrawThisAppearance(CFX_RenderDevice* pDevice,
                                  CPDF_Matrix* pUser2Device);

  virtual FX_BOOL OnLButtonDown(const CPDF_Point& point, FX_DWORD nFlag);
  virtual FX_BOOL OnLButtonUp(const CPDF_Point& point, FX_DWORD nFlag);
};

class CPWL_ComboBox : public CPWL_Wnd {
 public:
  CPWL_ComboBox();
  operator CPWL_Edit*() { return m_pEdit; }

 public:
  virtual CFX_ByteString GetClassName() const;
  virtual void OnCreate(PWL_CREATEPARAM& cp);

  virtual FX_BOOL OnKeyDown(FX_WORD nChar, FX_DWORD nFlag);
  virtual FX_BOOL OnChar(FX_WORD nChar, FX_DWORD nFlag);

  virtual void OnNotify(CPWL_Wnd* pWnd,
                        FX_DWORD msg,
                        intptr_t wParam = 0,
                        intptr_t lParam = 0);

  virtual void CreateChildWnd(const PWL_CREATEPARAM& cp);
  virtual void RePosChildWnd();

  virtual CPDF_Rect GetFocusRect() const;

  virtual void SetFocus();
  virtual void KillFocus();

  FX_BOOL IsModified() const;

 public:
  void SetFillerNotify(IPWL_Filler_Notify* pNotify);

  CFX_WideString GetText() const;
  void SetText(const FX_WCHAR* text);

  void AddString(const FX_WCHAR* string);
  int32_t GetSelect() const;
  void SetSelect(int32_t nItemIndex);

  void SetEditSel(int32_t nStartChar, int32_t nEndChar);
  void GetEditSel(int32_t& nStartChar, int32_t& nEndChar) const;
  void Clear();
  void SelectAll();
  FX_BOOL IsPopup() const;

  void SetSelectText();

 private:
  void CreateEdit(const PWL_CREATEPARAM& cp);
  void CreateButton(const PWL_CREATEPARAM& cp);
  void CreateListBox(const PWL_CREATEPARAM& cp);

  void SetPopup(FX_BOOL bPopup);

 private:
  CPWL_CBEdit* m_pEdit;
  CPWL_CBButton* m_pButton;
  CPWL_CBListBox* m_pList;

  FX_BOOL m_bPopup;
  CPDF_Rect m_rcOldWindow;
  int32_t m_nPopupWhere;
  int32_t m_nSelectItem;
  IPWL_Filler_Notify* m_pFillerNotify;

 public:
  void AttachFFLData(void* pData) { m_pFormFiller = pData; }

 private:
  void* m_pFormFiller;
};

#endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_COMBOBOX_H_