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// 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_PDFWINDOW_PWL_EDITCTRL_H_
#define FPDFSDK_PDFWINDOW_PWL_EDITCTRL_H_
#include "core/fxcrt/include/fx_string.h"
#include "fpdfsdk/fxedit/include/fx_edit.h"
#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
class CFX_Edit;
class CPWL_Caret;
class CPWL_Edit;
class CPWL_EditCtrl;
struct CPVT_SecProps;
struct CPVT_WordPlace;
struct CPVT_WordProps;
struct CPVT_WordRange;
enum PWL_EDIT_ALIGNFORMAT_H { PEAH_LEFT = 0, PEAH_MIDDLE, PEAH_RIGHT };
enum PWL_EDIT_ALIGNFORMAT_V { PEAV_TOP = 0, PEAV_CENTER, PEAV_BOTTOM };
class CPWL_EditCtrl : public CPWL_Wnd {
friend class CPWL_Edit_Notify;
public:
CPWL_EditCtrl();
~CPWL_EditCtrl() override;
CFX_FloatRect GetContentRect() const;
void GetCaretPos(int32_t& x, int32_t& y) const;
CFX_WideString GetText() const;
void SetSel(int32_t nStartChar, int32_t nEndChar);
void GetSel(int32_t& nStartChar, int32_t& nEndChar) const;
void GetTextRange(const CFX_FloatRect& rect,
int32_t& nStartChar,
int32_t& nEndChar) const;
CFX_WideString GetText(int32_t& nStartChar, int32_t& nEndChar) const;
void Clear();
void SelectAll();
int32_t GetCaret() const;
void SetCaret(int32_t nPos);
int32_t GetTotalWords() const;
void Paint();
void EnableRefresh(FX_BOOL bRefresh);
CFX_FloatPoint GetScrollPos() const;
void SetScrollPos(const CFX_FloatPoint& point);
void SetCharSet(uint8_t nCharSet) { m_nCharSet = nCharSet; }
int32_t GetCharSet() const;
void SetCodePage(int32_t nCodePage) { m_nCodePage = nCodePage; }
int32_t GetCodePage() const { return m_nCodePage; }
CPDF_Font* GetCaretFont() const;
FX_FLOAT GetCaretFontSize() const;
FX_BOOL CanUndo() const;
FX_BOOL CanRedo() const;
void Redo();
void Undo();
void SetReadyToInput();
// CPWL_Wnd
void OnCreate(PWL_CREATEPARAM& cp) override;
void OnCreated() override;
FX_BOOL OnKeyDown(uint16_t nChar, uint32_t nFlag) override;
FX_BOOL OnChar(uint16_t nChar, uint32_t nFlag) override;
FX_BOOL OnLButtonDown(const CFX_FloatPoint& point, uint32_t nFlag) override;
FX_BOOL OnLButtonUp(const CFX_FloatPoint& point, uint32_t nFlag) override;
FX_BOOL OnMouseMove(const CFX_FloatPoint& point, uint32_t nFlag) override;
void OnNotify(CPWL_Wnd* pWnd,
uint32_t msg,
intptr_t wParam = 0,
intptr_t lParam = 0) override;
void CreateChildWnd(const PWL_CREATEPARAM& cp) override;
void RePosChildWnd() override;
void SetFontSize(FX_FLOAT fFontSize) override;
FX_FLOAT GetFontSize() const override;
void SetCursor() override;
void IOnSetScrollInfoY(FX_FLOAT fPlateMin,
FX_FLOAT fPlateMax,
FX_FLOAT fContentMin,
FX_FLOAT fContentMax,
FX_FLOAT fSmallStep,
FX_FLOAT fBigStep);
void IOnSetScrollPosY(FX_FLOAT fy);
void IOnSetCaret(FX_BOOL bVisible,
const CFX_FloatPoint& ptHead,
const CFX_FloatPoint& ptFoot,
const CPVT_WordPlace& place);
void IOnCaretChange(const CPVT_SecProps& secProps,
const CPVT_WordProps& wordProps);
void IOnContentChange(const CFX_FloatRect& rcContent);
void IOnInvalidateRect(CFX_FloatRect* pRect);
protected:
void InsertText(const FX_WCHAR* csText);
void SetText(const FX_WCHAR* csText);
void CopyText();
void PasteText();
void CutText();
void ShowVScrollBar(FX_BOOL bShow);
void InsertWord(uint16_t word, int32_t nCharset);
void InsertReturn();
FX_BOOL IsWndHorV();
void Delete();
void Backspace();
void GetCaretInfo(CFX_FloatPoint& ptHead, CFX_FloatPoint& ptFoot) const;
void SetCaret(FX_BOOL bVisible,
const CFX_FloatPoint& ptHead,
const CFX_FloatPoint& ptFoot);
void SetEditCaret(FX_BOOL bVisible);
std::unique_ptr<CFX_Edit> m_pEdit;
CPWL_Caret* m_pEditCaret;
FX_BOOL m_bMouseDown;
private:
void CreateEditCaret(const PWL_CREATEPARAM& cp);
int32_t m_nCharSet;
int32_t m_nCodePage;
};
#endif // FPDFSDK_PDFWINDOW_PWL_EDITCTRL_H_
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