Convert all line endings to LF.
[pdfium.git] / fpdfsdk / include / pdfwindow / PWL_Edit.h
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
10 class IPWL_Filler_Notify;
11 class CPWL_Edit;
12 class IPWL_SpellCheck;
13
14 class IPWL_Filler_Notify
15 {
16 public:
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
26 class PWL_CLASS CPWL_Edit : public CPWL_EditCtrl, public IFX_Edit_OprNotify
27 {
28 public:
29         CPWL_Edit();
30         virtual ~CPWL_Edit();
31
32 public:
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
52 public:         
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
94 protected:
95         virtual void                                    OnSetFocus();
96         virtual void                                    OnKillFocus();
97
98 protected:
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
108 private:        
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);
124 public:
125         FX_BOOL                                                 IsProceedtoOnChar(FX_WORD nKeyCode, FX_DWORD nFlag);
126 private:
127         IPWL_Filler_Notify*                             m_pFillerNotify;
128         IPWL_SpellCheck*                                m_pSpellCheck;
129         FX_BOOL                                                 m_bFocus;
130         CPDF_Rect                                               m_rcOldWindow;
131 public:
132         void                                                    AttachFFLData(void* pData) {m_pFormFiller = pData;}
133 private:
134         void*                                                   m_pFormFiller;
135 };
136
137 #endif 
138