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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 _PWL_EDITCTRL_H_
#define _PWL_EDITCTRL_H_
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 IPWL_Edit_Notify;
class CPWL_EditCtrl;
class CPWL_Caret;
class IFX_Edit;
class CPWL_Edit;
class IPWL_Edit_Notify
{
public:
virtual ~IPWL_Edit_Notify() { }
//when the position of caret is changed in edit
virtual void OnCaretMove(FX_INT32 x1, FX_INT32 y1, FX_INT32 x2, FX_INT32 y2) {}
virtual void OnContentChange(const CPDF_Rect& rcContent){}
//OprType: 0 InsertWord
//1 InsertReturn
//2 BackSpace
//3 Delete
//4 Clear
//5 InsertText
//6 SetText
virtual void OnInsertWord(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){}
virtual void OnInsertReturn(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){}
virtual void OnBackSpace(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){}
virtual void OnDelete(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){}
virtual void OnClear(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){}
virtual void OnInsertText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){}
virtual void OnSetText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){}
virtual void OnAddUndo(CPWL_Edit* pEdit) {}
};
class PWL_CLASS CPWL_EditCtrl : public CPWL_Wnd, public IFX_Edit_Notify
{
friend class CPWL_Edit_Notify;
public:
CPWL_EditCtrl();
virtual ~CPWL_EditCtrl();
public:
virtual void OnCreate(PWL_CREATEPARAM & cp);
virtual void OnCreated();
virtual FX_BOOL OnKeyDown(FX_WORD nChar, FX_DWORD nFlag);
virtual FX_BOOL OnChar(FX_WORD nChar, FX_DWORD nFlag);
virtual FX_BOOL OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag);
virtual FX_BOOL OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag);
virtual FX_BOOL OnMouseMove(const CPDF_Point & point, FX_DWORD nFlag);
virtual void OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam = 0, FX_INTPTR lParam = 0);
virtual void CreateChildWnd(const PWL_CREATEPARAM & cp);
virtual void RePosChildWnd();
virtual void SetFontSize(FX_FLOAT fFontSize);
virtual FX_FLOAT GetFontSize() const;
public:
virtual void SetText(FX_LPCWSTR csText);
virtual void CopyText();
virtual void PasteText();
virtual void CutText();
CPDF_Rect GetContentRect() const;
void GetCaretPos(FX_INT32& x, FX_INT32& y) const;
FX_BOOL IsModified() const;
CFX_WideString GetText() const;
void SetSel(FX_INT32 nStartChar,FX_INT32 nEndChar);
void GetSel(FX_INT32 & nStartChar, FX_INT32 & nEndChar ) const;
void GetTextRange(const CPDF_Rect& rect, FX_INT32 & nStartChar, FX_INT32 & nEndChar) const;
CFX_WideString GetText(FX_INT32 & nStartChar, FX_INT32 & nEndChar) const;
void Clear();
void SelectAll();
FX_INT32 GetCaret() const;
void SetCaret(FX_INT32 nPos);
FX_INT32 GetTotalWords() const;
void Paint();
void EnableRefresh(FX_BOOL bRefresh);
CPDF_Point GetScrollPos() const;
void SetScrollPos(const CPDF_Point& point);
void SetEditNotify(IPWL_Edit_Notify* pNotify) {m_pEditNotify = pNotify;}
void SetCharSet(FX_BYTE nCharSet){m_nCharSet = nCharSet;}
FX_INT32 GetCharSet() const;
void SetCodePage(FX_INT32 nCodePage){m_nCodePage = nCodePage;}
FX_INT32 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();
protected:
virtual void ShowVScrollBar(FX_BOOL bShow);
virtual void InsertWord(FX_WORD word, FX_INT32 nCharset);
virtual void InsertReturn();
virtual void InsertText(FX_LPCWSTR csText);
virtual void SetCursor();
FX_BOOL IsWndHorV();
void Delete();
void Backspace();
protected:
void GetCaretInfo(CPDF_Point & ptHead, CPDF_Point & ptFoot) const;
void SetCaret(FX_BOOL bVisible, const CPDF_Point & ptHead, const CPDF_Point & ptFoot);
void SetEditCaret(FX_BOOL bVisible);
protected:
virtual void IOnSetScrollInfoX(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
FX_FLOAT fContentMin, FX_FLOAT fContentMax,
FX_FLOAT fSmallStep, FX_FLOAT fBigStep){}
virtual void IOnSetScrollInfoY(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
FX_FLOAT fContentMin, FX_FLOAT fContentMax,
FX_FLOAT fSmallStep, FX_FLOAT fBigStep);
virtual void IOnSetScrollPosX(FX_FLOAT fx){}
virtual void IOnSetScrollPosY(FX_FLOAT fy);
virtual void IOnSetCaret(FX_BOOL bVisible,const CPDF_Point & ptHead,const CPDF_Point & ptFoot, const CPVT_WordPlace& place);
virtual void IOnCaretChange(const CPVT_SecProps & secProps, const CPVT_WordProps & wordProps);
virtual void IOnContentChange(const CPDF_Rect& rcContent);
virtual void IOnInvalidateRect(CPDF_Rect * pRect);
private:
void CreateEditCaret(const PWL_CREATEPARAM & cp);
protected:
IFX_Edit* m_pEdit;
CPWL_Caret* m_pEditCaret;
FX_BOOL m_bMouseDown;
IPWL_Edit_Notify* m_pEditNotify;
private:
FX_INT32 m_nCharSet;
FX_INT32 m_nCodePage;
};
#endif
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