PWL_Edit.h revision e6986e1e8d4a57987f47c215490cb080a65ee29a 
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_PDFWINDOW_PWL_EDIT_H_
8#define FPDFSDK_INCLUDE_PDFWINDOW_PWL_EDIT_H_
9
10#include "../../../core/include/fxcrt/fx_basic.h"
11#include "PWL_EditCtrl.h"
12#include "PWL_Wnd.h"
13
14class CPWL_Edit;
15class IPWL_Filler_Notify;
16class IPWL_SpellCheck;
17
18class IPWL_Filler_Notify
19{
20public:
21        virtual ~IPWL_Filler_Notify() { }
22	virtual void					QueryWherePopup(void* pPrivateData, FX_FLOAT fPopupMin,FX_FLOAT fPopupMax,
23										FX_INT32 & nRet, FX_FLOAT & fPopupRet) = 0; //nRet: (0:bottom 1:top)
24	virtual void					OnBeforeKeyStroke(FX_BOOL bEditOrList, void* pPrivateData, FX_INT32 nKeyCode,
25										CFX_WideString & strChange, const CFX_WideString& strChangeEx,
26										int nSelStart, int nSelEnd,
27										FX_BOOL bKeyDown, FX_BOOL & bRC, FX_BOOL & bExit, FX_DWORD nFlag) = 0;
28	virtual void					OnAfterKeyStroke(FX_BOOL bEditOrList, void* pPrivateData, FX_BOOL & bExit, FX_DWORD nFlag) = 0;
29};
30
31class PWL_CLASS CPWL_Edit : public CPWL_EditCtrl, public IFX_Edit_OprNotify
32{
33public:
34	CPWL_Edit();
35	virtual ~CPWL_Edit();
36
37public:
38	virtual CFX_ByteString			GetClassName() const;
39	virtual void					OnDestroy();
40	virtual void					OnCreated();
41	virtual void					RePosChildWnd();
42	virtual CPDF_Rect				GetClientRect() const;
43
44	virtual void					GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream);
45	virtual void					DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device);
46
47	virtual FX_BOOL					OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag);
48	virtual FX_BOOL					OnLButtonDblClk(const CPDF_Point & point, FX_DWORD nFlag);
49	virtual FX_BOOL					OnRButtonUp(const CPDF_Point & point, FX_DWORD nFlag);
50	virtual FX_BOOL					OnMouseWheel(short zDelta, const CPDF_Point & point, FX_DWORD nFlag);
51
52	virtual FX_BOOL					OnKeyDown(FX_WORD nChar, FX_DWORD nFlag);
53	virtual FX_BOOL					OnChar(FX_WORD nChar, FX_DWORD nFlag);
54
55	virtual CPDF_Rect				GetFocusRect() const;
56
57public:
58	void							SetAlignFormatH(PWL_EDIT_ALIGNFORMAT_H nFormat = PEAH_LEFT, FX_BOOL bPaint = TRUE);	//0:left 1:right 2:middle
59	void							SetAlignFormatV(PWL_EDIT_ALIGNFORMAT_V nFormat = PEAV_TOP, FX_BOOL bPaint = TRUE);	//0:top 1:bottom 2:center
60
61	void							SetCharArray(FX_INT32 nCharArray);
62	void							SetLimitChar(FX_INT32 nLimitChar);
63
64	void							SetHorzScale(FX_INT32 nHorzScale, FX_BOOL bPaint = TRUE);
65	void							SetCharSpace(FX_FLOAT fCharSpace, FX_BOOL bPaint = TRUE);
66
67	void							SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE);
68
69	void							EnableSpellCheck(FX_BOOL bEnabled);
70
71	FX_BOOL							CanSelectAll() const;
72	FX_BOOL							CanClear() const;
73	FX_BOOL							CanCopy() const;
74	FX_BOOL							CanCut() const;
75	FX_BOOL							CanPaste() const;
76
77	virtual void					CopyText();
78	virtual void					PasteText();
79	virtual void 					CutText();
80
81	virtual void					SetText(FX_LPCWSTR csText);
82	void							ReplaceSel(FX_LPCWSTR csText);
83
84	CFX_ByteString					GetTextAppearanceStream(const CPDF_Point & ptOffset) const;
85	CFX_ByteString					GetCaretAppearanceStream(const CPDF_Point & ptOffset) const;
86	CFX_ByteString					GetSelectAppearanceStream(const CPDF_Point & ptOffset) const;
87
88	FX_BOOL							IsTextFull() const;
89
90	static FX_FLOAT					GetCharArrayAutoFontSize(CPDF_Font* pFont, const CPDF_Rect& rcPlate, FX_INT32 nCharArray);
91
92	void							SetFillerNotify(IPWL_Filler_Notify* pNotify) {m_pFillerNotify = pNotify;}
93
94	void							GeneratePageObjects(CPDF_PageObjects* pPageObjects,
95										const CPDF_Point& ptOffset, CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray);
96	void							GeneratePageObjects(CPDF_PageObjects* pPageObjects,
97										const CPDF_Point& ptOffset);
98
99protected:
100	virtual void					OnSetFocus();
101	virtual void					OnKillFocus();
102
103protected:
104	virtual void					OnInsertWord(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
105	virtual void					OnInsertReturn(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
106	virtual void					OnBackSpace(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
107	virtual void					OnDelete(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
108	virtual void					OnClear(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
109	virtual void					OnSetText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
110	virtual void					OnInsertText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
111	virtual void					OnAddUndo(IFX_Edit_UndoItem* pUndoItem);
112
113private:
114	CPVT_WordRange					GetSelectWordRange() const;
115	virtual void					ShowVScrollBar(FX_BOOL bShow);
116	FX_BOOL							IsVScrollBarVisible() const;
117	void							SetParamByFlag();
118
119	FX_FLOAT						GetCharArrayAutoFontSize(FX_INT32 nCharArray);
120	CPDF_Point						GetWordRightBottomPoint(const CPVT_WordPlace& wpWord);
121
122	CPVT_WordRange					CombineWordRange(const CPVT_WordRange& wr1, const CPVT_WordRange& wr2);
123	CPVT_WordRange					GetLatinWordsRange(const CPDF_Point & point) const;
124	CPVT_WordRange					GetLatinWordsRange(const CPVT_WordPlace & place) const;
125	CPVT_WordRange					GetArabicWordsRange(const CPVT_WordPlace & place) const;
126	CPVT_WordRange					GetSameWordsRange(const CPVT_WordPlace & place, FX_BOOL bLatin, FX_BOOL bArabic) const;
127
128	void							AjustArabicWords(const CPVT_WordRange& wr);
129public:
130	FX_BOOL							IsProceedtoOnChar(FX_WORD nKeyCode, FX_DWORD nFlag);
131private:
132	IPWL_Filler_Notify*				m_pFillerNotify;
133	IPWL_SpellCheck*				m_pSpellCheck;
134	FX_BOOL							m_bFocus;
135	CPDF_Rect						m_rcOldWindow;
136public:
137	void							AttachFFLData(void* pData) {m_pFormFiller = pData;}
138private:
139	void*							m_pFormFiller;
140};
141
142#endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_EDIT_H_
143