PWL_Edit.h revision ee451cb395940862dad63c85adfe8f2fd55e864c 
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 _PWL_EDIT_H_
8#define _PWL_EDIT_H_
9
10class IPWL_Filler_Notify;
11class CPWL_Edit;
12class IPWL_SpellCheck;
13
14class IPWL_Filler_Notify
15{
16public:
17	virtual void					QueryWherePopup(void* pPrivateData, FX_FLOAT fPopupMin,FX_FLOAT fPopupMax,
18										FX_INT32 & nRet, FX_FLOAT & fPopupRet) = 0; //nRet: (0:bottom 1:top)
19	virtual void					OnBeforeKeyStroke(FX_BOOL bEditOrList, void* pPrivateData, FX_INT32 nKeyCode,
20										CFX_WideString & strChange, const CFX_WideString& strChangeEx,
21										int nSelStart, int nSelEnd,
22										FX_BOOL bKeyDown, FX_BOOL & bRC, FX_BOOL & bExit, FX_DWORD nFlag) = 0;
23	virtual void					OnAfterKeyStroke(FX_BOOL bEditOrList, void* pPrivateData, FX_BOOL & bExit, FX_DWORD nFlag) = 0;
24};
25
26class PWL_CLASS CPWL_Edit : public CPWL_EditCtrl, public IFX_Edit_OprNotify
27{
28public:
29	CPWL_Edit();
30	virtual ~CPWL_Edit();
31
32public:
33	virtual CFX_ByteString			GetClassName() const;
34	virtual void					OnDestroy();
35	virtual void					OnCreated();
36	virtual void					RePosChildWnd();
37	virtual CPDF_Rect				GetClientRect() const;
38
39	virtual void					GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream);
40	virtual void					DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device);
41
42	virtual FX_BOOL					OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag);
43	virtual FX_BOOL					OnLButtonDblClk(const CPDF_Point & point, FX_DWORD nFlag);
44	virtual FX_BOOL					OnRButtonUp(const CPDF_Point & point, FX_DWORD nFlag);
45	virtual FX_BOOL					OnMouseWheel(short zDelta, const CPDF_Point & point, FX_DWORD nFlag);
46
47	virtual FX_BOOL					OnKeyDown(FX_WORD nChar, FX_DWORD nFlag);
48	virtual FX_BOOL					OnChar(FX_WORD nChar, FX_DWORD nFlag);
49
50	virtual CPDF_Rect				GetFocusRect() const;
51
52public:
53	void							SetAlignFormatH(PWL_EDIT_ALIGNFORMAT_H nFormat = PEAH_LEFT, FX_BOOL bPaint = TRUE);	//0:left 1:right 2:middle
54	void							SetAlignFormatV(PWL_EDIT_ALIGNFORMAT_V nFormat = PEAV_TOP, FX_BOOL bPaint = TRUE);	//0:top 1:bottom 2:center
55
56	void							SetCharArray(FX_INT32 nCharArray);
57	void							SetLimitChar(FX_INT32 nLimitChar);
58
59	void							SetHorzScale(FX_INT32 nHorzScale, FX_BOOL bPaint = TRUE);
60	void							SetCharSpace(FX_FLOAT fCharSpace, FX_BOOL bPaint = TRUE);
61
62	void							SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE);
63
64	void							EnableSpellCheck(FX_BOOL bEnabled);
65
66	FX_BOOL							CanSelectAll() const;
67	FX_BOOL							CanClear() const;
68	FX_BOOL							CanCopy() const;
69	FX_BOOL							CanCut() const;
70	FX_BOOL							CanPaste() const;
71
72	virtual void					CopyText();
73	virtual void					PasteText();
74	virtual void 					CutText();
75
76	virtual void					SetText(FX_LPCWSTR csText);
77	void							ReplaceSel(FX_LPCWSTR csText);
78
79	CFX_ByteString					GetTextAppearanceStream(const CPDF_Point & ptOffset) const;
80	CFX_ByteString					GetCaretAppearanceStream(const CPDF_Point & ptOffset) const;
81	CFX_ByteString					GetSelectAppearanceStream(const CPDF_Point & ptOffset) const;
82
83	FX_BOOL							IsTextFull() const;
84
85	static FX_FLOAT					GetCharArrayAutoFontSize(CPDF_Font* pFont, const CPDF_Rect& rcPlate, FX_INT32 nCharArray);
86
87	void							SetFillerNotify(IPWL_Filler_Notify* pNotify) {m_pFillerNotify = pNotify;}
88
89	void							GeneratePageObjects(CPDF_PageObjects* pPageObjects,
90										const CPDF_Point& ptOffset, CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray);
91	void							GeneratePageObjects(CPDF_PageObjects* pPageObjects,
92										const CPDF_Point& ptOffset);
93
94protected:
95	virtual void					OnSetFocus();
96	virtual void					OnKillFocus();
97
98protected:
99	virtual void					OnInsertWord(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
100	virtual void					OnInsertReturn(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
101	virtual void					OnBackSpace(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
102	virtual void					OnDelete(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
103	virtual void					OnClear(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
104	virtual void					OnSetText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
105	virtual void					OnInsertText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace);
106	virtual void					OnAddUndo(IFX_Edit_UndoItem* pUndoItem);
107
108private:
109	CPVT_WordRange					GetSelectWordRange() const;
110	virtual void					ShowVScrollBar(FX_BOOL bShow);
111	FX_BOOL							IsVScrollBarVisible() const;
112	void							SetParamByFlag();
113
114	FX_FLOAT						GetCharArrayAutoFontSize(FX_INT32 nCharArray);
115	CPDF_Point						GetWordRightBottomPoint(const CPVT_WordPlace& wpWord);
116
117	CPVT_WordRange					CombineWordRange(const CPVT_WordRange& wr1, const CPVT_WordRange& wr2);
118	CPVT_WordRange					GetLatinWordsRange(const CPDF_Point & point) const;
119	CPVT_WordRange					GetLatinWordsRange(const CPVT_WordPlace & place) const;
120	CPVT_WordRange					GetArabicWordsRange(const CPVT_WordPlace & place) const;
121	CPVT_WordRange					GetSameWordsRange(const CPVT_WordPlace & place, FX_BOOL bLatin, FX_BOOL bArabic) const;
122
123	void							AjustArabicWords(const CPVT_WordRange& wr);
124public:
125	FX_BOOL							IsProceedtoOnChar(FX_WORD nKeyCode, FX_DWORD nFlag);
126private:
127	IPWL_Filler_Notify*				m_pFillerNotify;
128	IPWL_SpellCheck*				m_pSpellCheck;
129	FX_BOOL							m_bFocus;
130	CPDF_Rect						m_rcOldWindow;
131public:
132	void							AttachFFLData(void* pData) {m_pFormFiller = pData;}
133private:
134	void*							m_pFormFiller;
135};
136
137#endif
138
139