// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef FPDFSDK_PDFWINDOW_PWL_EDITCTRL_H_
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#define FPDFSDK_PDFWINDOW_PWL_EDITCTRL_H_
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#include "core/fxcrt/include/fx_string.h"
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#include "fpdfsdk/fxedit/include/fx_edit.h"
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#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
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class CFX_Edit;
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class CPWL_Caret;
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class CPWL_Edit;
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class CPWL_EditCtrl;
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struct CPVT_SecProps;
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struct CPVT_WordPlace;
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struct CPVT_WordProps;
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struct CPVT_WordRange;
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enum PWL_EDIT_ALIGNFORMAT_H { PEAH_LEFT = 0, PEAH_MIDDLE, PEAH_RIGHT };
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enum PWL_EDIT_ALIGNFORMAT_V { PEAV_TOP = 0, PEAV_CENTER, PEAV_BOTTOM };
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class CPWL_EditCtrl : public CPWL_Wnd {
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friend class CPWL_Edit_Notify;
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public:
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CPWL_EditCtrl();
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~CPWL_EditCtrl() override;
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CFX_FloatRect GetContentRect() const;
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void GetCaretPos(int32_t& x, int32_t& y) const;
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CFX_WideString GetText() const;
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void SetSel(int32_t nStartChar, int32_t nEndChar);
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void GetSel(int32_t& nStartChar, int32_t& nEndChar) const;
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void GetTextRange(const CFX_FloatRect& rect,
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int32_t& nStartChar,
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int32_t& nEndChar) const;
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CFX_WideString GetText(int32_t& nStartChar, int32_t& nEndChar) const;
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void Clear();
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void SelectAll();
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int32_t GetCaret() const;
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void SetCaret(int32_t nPos);
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int32_t GetTotalWords() const;
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void Paint();
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void EnableRefresh(FX_BOOL bRefresh);
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CFX_FloatPoint GetScrollPos() const;
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void SetScrollPos(const CFX_FloatPoint& point);
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void SetCharSet(uint8_t nCharSet) { m_nCharSet = nCharSet; }
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int32_t GetCharSet() const;
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void SetCodePage(int32_t nCodePage) { m_nCodePage = nCodePage; }
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int32_t GetCodePage() const { return m_nCodePage; }
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CPDF_Font* GetCaretFont() const;
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FX_FLOAT GetCaretFontSize() const;
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FX_BOOL CanUndo() const;
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FX_BOOL CanRedo() const;
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void Redo();
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void Undo();
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void SetReadyToInput();
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// CPWL_Wnd
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void OnCreate(PWL_CREATEPARAM& cp) override;
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void OnCreated() override;
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FX_BOOL OnKeyDown(uint16_t nChar, uint32_t nFlag) override;
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FX_BOOL OnChar(uint16_t nChar, uint32_t nFlag) override;
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FX_BOOL OnLButtonDown(const CFX_FloatPoint& point, uint32_t nFlag) override;
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FX_BOOL OnLButtonUp(const CFX_FloatPoint& point, uint32_t nFlag) override;
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FX_BOOL OnMouseMove(const CFX_FloatPoint& point, uint32_t nFlag) override;
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void OnNotify(CPWL_Wnd* pWnd,
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uint32_t msg,
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intptr_t wParam = 0,
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intptr_t lParam = 0) override;
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void CreateChildWnd(const PWL_CREATEPARAM& cp) override;
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void RePosChildWnd() override;
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void SetFontSize(FX_FLOAT fFontSize) override;
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FX_FLOAT GetFontSize() const override;
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void SetCursor() override;
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void IOnSetScrollInfoY(FX_FLOAT fPlateMin,
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FX_FLOAT fPlateMax,
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FX_FLOAT fContentMin,
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FX_FLOAT fContentMax,
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FX_FLOAT fSmallStep,
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FX_FLOAT fBigStep);
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void IOnSetScrollPosY(FX_FLOAT fy);
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void IOnSetCaret(FX_BOOL bVisible,
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const CFX_FloatPoint& ptHead,
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const CFX_FloatPoint& ptFoot,
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const CPVT_WordPlace& place);
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void IOnCaretChange(const CPVT_SecProps& secProps,
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const CPVT_WordProps& wordProps);
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void IOnContentChange(const CFX_FloatRect& rcContent);
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void IOnInvalidateRect(CFX_FloatRect* pRect);
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protected:
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void InsertText(const FX_WCHAR* csText);
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void SetText(const FX_WCHAR* csText);
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void CopyText();
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void PasteText();
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void CutText();
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void ShowVScrollBar(FX_BOOL bShow);
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void InsertWord(uint16_t word, int32_t nCharset);
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void InsertReturn();
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FX_BOOL IsWndHorV();
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void Delete();
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void Backspace();
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void GetCaretInfo(CFX_FloatPoint& ptHead, CFX_FloatPoint& ptFoot) const;
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void SetCaret(FX_BOOL bVisible,
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const CFX_FloatPoint& ptHead,
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const CFX_FloatPoint& ptFoot);
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void SetEditCaret(FX_BOOL bVisible);
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std::unique_ptr<CFX_Edit> m_pEdit;
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CPWL_Caret* m_pEditCaret;
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FX_BOOL m_bMouseDown;
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private:
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void CreateEditCaret(const PWL_CREATEPARAM& cp);
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int32_t m_nCharSet;
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int32_t m_nCodePage;
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};
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#endif // FPDFSDK_PDFWINDOW_PWL_EDITCTRL_H_
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