Remove FX_Alloc() null checks now that it can't return NULL.
[pdfium.git] / fpdfsdk / src / pdfwindow / PWL_Edit.cpp
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 #include "../../include/pdfwindow/PDFWindow.h"
8 #include "../../include/pdfwindow/PWL_Wnd.h"
9 #include "../../include/pdfwindow/PWL_EditCtrl.h"
10 #include "../../include/pdfwindow/PWL_Edit.h"
11 #include "../../include/pdfwindow/PWL_ScrollBar.h"
12 #include "../../include/pdfwindow/PWL_Utils.h"
13 #include "../../include/pdfwindow/PWL_Caret.h"
14 #include "../../include/pdfwindow/PWL_FontMap.h"
15 #include "../../../core/src/fxcrt/fx_safe_types.h"
16
17 /* ---------------------------- CPWL_Edit ------------------------------ */
18
19 CPWL_Edit::CPWL_Edit() : m_pFillerNotify(NULL), 
20         m_pSpellCheck(NULL),
21         m_bFocus(FALSE)
22 {
23         m_pFormFiller = NULL;
24 }
25
26 CPWL_Edit::~CPWL_Edit()
27 {
28         ASSERT(m_bFocus == FALSE);
29 }
30
31 CFX_ByteString CPWL_Edit::GetClassName() const
32 {
33         return PWL_CLASSNAME_EDIT;
34 }
35
36 void CPWL_Edit::OnDestroy()
37 {
38 }
39
40 void CPWL_Edit::SetText(FX_LPCWSTR csText)
41 {
42         CFX_WideString swText = csText;
43
44         if (HasFlag(PES_RICH))
45         {               
46                 CFX_ByteString sValue = CFX_ByteString::FromUnicode(swText);
47                 
48                 if (CXML_Element * pXML = CXML_Element::Parse(sValue.c_str(), sValue.GetLength()))
49                 {
50                         FX_INT32 nCount = pXML->CountChildren();
51                         FX_BOOL bFirst = TRUE;
52
53                         swText.Empty();
54
55                         for (FX_INT32 i=0; i<nCount; i++)
56                         {
57                                 if (CXML_Element * pSubElement = pXML->GetElement(i))
58                                 {
59                                         CFX_ByteString tag=pSubElement->GetTagName();
60                                         if (tag.EqualNoCase("p"))
61                                         {
62                                                 int nChild = pSubElement->CountChildren();
63                                                 CFX_WideString swSection;
64                                                 for(FX_INT32 j=0; j<nChild; j++)
65                                                 {
66                                                         swSection += pSubElement->GetContent(j);
67                                                 }
68                                                 
69                                                 if (bFirst)bFirst = FALSE;
70                                                 else
71                                                         swText += FWL_VKEY_Return;
72                                                 swText += swSection;
73                                         }
74                                 }
75                         }
76
77                         delete pXML;
78                 }
79         }       
80
81         m_pEdit->SetText(swText.c_str());
82 }
83
84 void CPWL_Edit::RePosChildWnd()
85 {
86         if (CPWL_ScrollBar * pVSB = this->GetVScrollBar())
87         {
88                 //if (pVSB->IsVisible())
89                 {
90                         CPDF_Rect rcWindow = m_rcOldWindow;             
91                         CPDF_Rect rcVScroll = CPDF_Rect(rcWindow.right,
92                                                                 rcWindow.bottom,
93                                                                 rcWindow.right + PWL_SCROLLBAR_WIDTH,
94                                                                 rcWindow.top);
95                         pVSB->Move(rcVScroll, TRUE, FALSE);
96                 }
97         }
98
99         if (m_pEditCaret && !HasFlag(PES_TEXTOVERFLOW))
100                 m_pEditCaret->SetClipRect(CPWL_Utils::InflateRect(GetClientRect(),1.0f)); //+1 for caret beside border
101
102         CPWL_EditCtrl::RePosChildWnd();
103 }
104
105 CPDF_Rect CPWL_Edit::GetClientRect() const
106 {
107         CPDF_Rect rcClient = CPWL_Utils::DeflateRect(GetWindowRect(),(FX_FLOAT)(GetBorderWidth()+GetInnerBorderWidth()));
108         
109         if (CPWL_ScrollBar * pVSB = this->GetVScrollBar())
110         {
111                 if (pVSB->IsVisible())
112                 {
113                         rcClient.right -= PWL_SCROLLBAR_WIDTH;
114                 }
115         }
116
117         return rcClient;
118 }
119
120 void CPWL_Edit::SetAlignFormatH(PWL_EDIT_ALIGNFORMAT_H nFormat, FX_BOOL bPaint/* = TRUE*/)
121 {
122         m_pEdit->SetAlignmentH((FX_INT32)nFormat, bPaint);
123 }
124
125 void CPWL_Edit::SetAlignFormatV(PWL_EDIT_ALIGNFORMAT_V nFormat, FX_BOOL bPaint/* = TRUE*/)
126 {
127         m_pEdit->SetAlignmentV((FX_INT32)nFormat, bPaint);
128 }
129
130 FX_BOOL CPWL_Edit::CanSelectAll() const
131 {
132         return  GetSelectWordRange() != m_pEdit->GetWholeWordRange();
133 }
134
135 FX_BOOL CPWL_Edit::CanClear() const
136 {
137         return !IsReadOnly() && m_pEdit->IsSelected();
138 }
139
140 FX_BOOL CPWL_Edit::CanCopy() const
141 {
142         return  !HasFlag(PES_PASSWORD) && !HasFlag(PES_NOREAD) && m_pEdit->IsSelected();
143 }
144
145 FX_BOOL CPWL_Edit::CanCut() const
146 {
147         return  CanCopy() && !IsReadOnly();
148 }
149
150 FX_BOOL CPWL_Edit::CanPaste() const
151 {
152         if (IsReadOnly()) return FALSE;
153
154         CFX_WideString swClipboard;
155         if (IFX_SystemHandler* pSH = GetSystemHandler())
156                 swClipboard = pSH->GetClipboardText(GetAttachedHWnd());
157
158         return !swClipboard.IsEmpty();
159 }
160
161 void CPWL_Edit::CopyText()
162 {
163         if (!CanCopy()) return;
164
165         CFX_WideString str = m_pEdit->GetSelText();
166
167         if (IFX_SystemHandler* pSH = GetSystemHandler())
168                 pSH->SetClipboardText(GetAttachedHWnd(), str);
169 }
170
171 void CPWL_Edit::PasteText()
172 {
173         if (!CanPaste()) return;
174
175         CFX_WideString swClipboard;
176         if (IFX_SystemHandler* pSH = GetSystemHandler())
177                 swClipboard = pSH->GetClipboardText(GetAttachedHWnd());
178
179         if (m_pFillerNotify)
180         {
181                 FX_BOOL bRC = TRUE;
182                 FX_BOOL bExit = FALSE;
183                 CFX_WideString strChangeEx;
184                 int nSelStart = 0;
185                 int nSelEnd = 0;
186                 GetSel(nSelStart, nSelEnd);
187                 m_pFillerNotify->OnBeforeKeyStroke(TRUE, GetAttachedData(), 0 , swClipboard, strChangeEx, nSelStart, nSelEnd, TRUE, bRC, bExit, 0);
188                 if (!bRC) return;
189                 if (bExit) return;
190         }
191
192         if (swClipboard.GetLength() > 0)
193         {
194                 Clear();
195                 InsertText(swClipboard.c_str());
196         }
197
198         if (m_pFillerNotify)
199         {
200                 FX_BOOL bExit = FALSE;
201                 m_pFillerNotify->OnAfterKeyStroke(TRUE, GetAttachedData(), bExit,0);
202                 if (bExit) return;
203         }
204 }
205
206 void CPWL_Edit::CutText()
207 {
208         if (!CanCut()) return;
209
210         CFX_WideString str = m_pEdit->GetSelText();
211
212         if (IFX_SystemHandler* pSH = GetSystemHandler())
213                 pSH->SetClipboardText(GetAttachedHWnd(), str);
214
215         m_pEdit->Clear();
216 }
217
218 void CPWL_Edit::OnCreated()
219 {
220         CPWL_EditCtrl::OnCreated();
221
222         if (CPWL_ScrollBar * pScroll = GetVScrollBar())
223         {
224                 pScroll->RemoveFlag(PWS_AUTOTRANSPARENT);
225                 pScroll->SetTransparency(255);
226         }
227
228         SetParamByFlag();
229
230         m_rcOldWindow = GetWindowRect();
231
232         m_pEdit->SetOprNotify(this);
233         m_pEdit->EnableOprNotify(TRUE);
234 }
235
236 void CPWL_Edit::SetParamByFlag()
237 {       
238         if (HasFlag(PES_RIGHT))
239         {
240                 m_pEdit->SetAlignmentH(2, FALSE);
241         }
242         else if (HasFlag(PES_MIDDLE))
243         {
244                 m_pEdit->SetAlignmentH(1, FALSE);
245         }
246         else
247         {
248                 m_pEdit->SetAlignmentH(0, FALSE);
249         }
250
251         if (HasFlag(PES_BOTTOM))
252         {
253                 m_pEdit->SetAlignmentV(2, FALSE);
254         }
255         else if (HasFlag(PES_CENTER))
256         {
257                 m_pEdit->SetAlignmentV(1, FALSE);
258         }
259         else
260         {
261                 m_pEdit->SetAlignmentV(0, FALSE);
262         }
263
264         if (HasFlag(PES_PASSWORD))
265         {
266                 m_pEdit->SetPasswordChar('*', FALSE);
267         }
268
269         m_pEdit->SetMultiLine(HasFlag(PES_MULTILINE), FALSE);
270         m_pEdit->SetAutoReturn(HasFlag(PES_AUTORETURN), FALSE);
271         m_pEdit->SetAutoFontSize(HasFlag(PWS_AUTOFONTSIZE), FALSE);
272         m_pEdit->SetAutoScroll(HasFlag(PES_AUTOSCROLL), FALSE);
273         m_pEdit->EnableUndo(HasFlag(PES_UNDO));
274
275         if (HasFlag(PES_TEXTOVERFLOW))
276         {
277                 SetClipRect(CPDF_Rect(0.0f,0.0f,0.0f,0.0f));
278                 m_pEdit->SetTextOverflow(TRUE, FALSE);
279         }
280         else
281         {
282                 if (m_pEditCaret)
283                 {
284                         m_pEditCaret->SetClipRect(CPWL_Utils::InflateRect(GetClientRect(),1.0f)); //+1 for caret beside border
285                 }
286         }
287
288         if (HasFlag(PES_SPELLCHECK))
289         {
290                 m_pSpellCheck = GetCreationParam().pSpellCheck;
291         }
292 }
293
294 void CPWL_Edit::GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream)
295 {
296         CPWL_Wnd::GetThisAppearanceStream(sAppStream);
297
298         CPDF_Rect rcClient = GetClientRect();
299         CFX_ByteTextBuf sLine;
300
301         FX_INT32 nCharArray = m_pEdit->GetCharArray();
302
303         if (nCharArray > 0)
304         {
305                 switch (GetBorderStyle())
306                 {
307                 case PBS_SOLID:
308                         {
309                                 sLine << "q\n" << GetBorderWidth() << " w\n" 
310                                         << CPWL_Utils::GetColorAppStream(GetBorderColor(),FALSE) << " 2 J 0 j\n";                                       
311
312                                 for (FX_INT32 i=1;i<nCharArray;i++)
313                                 {
314                                         sLine << rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*i << " "
315                                                 << rcClient.bottom << " m\n"
316                                                 << rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*i << " "
317                                                 << rcClient.top << " l S\n";                                            
318                                 }
319
320                                 sLine << "Q\n";                                 
321                         }
322                         break; 
323                 case PBS_DASH:
324                         {
325                                 sLine << "q\n" << GetBorderWidth() << " w\n" 
326                                         << CPWL_Utils::GetColorAppStream(GetBorderColor(),FALSE) << " 2 J 0 j\n"
327                                         << "[" << GetBorderDash().nDash << " " 
328                                         << GetBorderDash().nGap << "] " 
329                                         << GetBorderDash().nPhase << " d\n";
330
331                                 for (FX_INT32 i=1;i<nCharArray;i++)                                     
332                                 {
333                                         sLine << rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*i << " "
334                                                 << rcClient.bottom << " m\n"
335                                                 << rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*i << " "
336                                                 << rcClient.top << " l S\n";    
337                                 }
338
339                                 sLine << "Q\n";
340                         }
341                         break;
342                 }               
343         }
344
345         sAppStream << sLine;
346
347         CFX_ByteTextBuf sText;
348
349         CPDF_Point ptOffset = CPDF_Point(0.0f,0.0f);
350
351         CPVT_WordRange wrWhole = m_pEdit->GetWholeWordRange();
352         CPVT_WordRange wrSelect = GetSelectWordRange();
353         CPVT_WordRange wrVisible = (HasFlag(PES_TEXTOVERFLOW) ? wrWhole : m_pEdit->GetVisibleWordRange());
354         CPVT_WordRange wrSelBefore(wrWhole.BeginPos,wrSelect.BeginPos);
355         CPVT_WordRange wrSelAfter(wrSelect.EndPos,wrWhole.EndPos);
356
357         CPVT_WordRange wrTemp = CPWL_Utils::OverlapWordRange(GetSelectWordRange(),wrVisible);
358         CFX_ByteString sEditSel = CPWL_Utils::GetEditSelAppStream(m_pEdit, ptOffset,
359                         &wrTemp);
360
361         if (sEditSel.GetLength() > 0)
362                 sText << CPWL_Utils::GetColorAppStream(PWL_DEFAULT_SELBACKCOLOR) << sEditSel ;
363
364         wrTemp = CPWL_Utils::OverlapWordRange(wrVisible,wrSelBefore);
365         CFX_ByteString sEditBefore = CPWL_Utils::GetEditAppStream(m_pEdit, ptOffset,  
366                         &wrTemp, !HasFlag(PES_CHARARRAY), m_pEdit->GetPasswordChar());                  
367
368         if (sEditBefore.GetLength() > 0)
369                 sText << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEditBefore << "ET\n";
370
371         wrTemp = CPWL_Utils::OverlapWordRange(wrVisible,wrSelect);
372         CFX_ByteString sEditMid = CPWL_Utils::GetEditAppStream(m_pEdit, ptOffset, 
373                         &wrTemp, !HasFlag(PES_CHARARRAY), m_pEdit->GetPasswordChar());                  
374
375         if (sEditMid.GetLength() > 0)
376                 sText << "BT\n" << CPWL_Utils::GetColorAppStream(CPWL_Color(COLORTYPE_GRAY,1)) << sEditMid << "ET\n";
377
378         wrTemp = CPWL_Utils::OverlapWordRange(wrVisible,wrSelAfter);
379         CFX_ByteString sEditAfter = CPWL_Utils::GetEditAppStream(m_pEdit, ptOffset, 
380                         &wrTemp, !HasFlag(PES_CHARARRAY), m_pEdit->GetPasswordChar());                  
381
382         if (sEditAfter.GetLength() > 0)
383                 sText << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEditAfter<< "ET\n";
384
385         if (HasFlag(PES_SPELLCHECK))
386         {
387                 CFX_ByteString sSpellCheck = CPWL_Utils::GetSpellCheckAppStream(m_pEdit, m_pSpellCheck, ptOffset, &wrVisible);
388                 if (sSpellCheck.GetLength() > 0)
389                         sText << CPWL_Utils::GetColorAppStream(CPWL_Color(COLORTYPE_RGB,1,0,0),FALSE) << sSpellCheck;
390         }
391
392         if (sText.GetLength() > 0)
393         {
394                 CPDF_Rect rcClient = this->GetClientRect();
395                 sAppStream << "q\n/Tx BMC\n";
396                 
397                 if (!HasFlag(PES_TEXTOVERFLOW))
398                         sAppStream << rcClient.left << " " << rcClient.bottom << " "
399                                 << rcClient.right - rcClient.left << " " << rcClient.top - rcClient.bottom << " re W n\n";
400
401                 sAppStream << sText;
402
403                 sAppStream << "EMC\nQ\n";
404         }
405 }
406
407 void CPWL_Edit::DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device)
408 {
409         CPWL_Wnd::DrawThisAppearance(pDevice,pUser2Device);
410
411         CPDF_Rect rcClient = GetClientRect();
412         CFX_ByteTextBuf sLine;
413
414         FX_INT32 nCharArray = m_pEdit->GetCharArray();
415         FX_SAFE_INT32 nCharArraySafe = nCharArray;
416         nCharArraySafe -= 1;
417         nCharArraySafe *= 2;
418
419         if (nCharArray > 0 && nCharArraySafe.IsValid())
420         {
421                 switch (GetBorderStyle())
422                 {
423                 case PBS_SOLID:
424                         {
425                                 CFX_GraphStateData gsd;
426                                 gsd.m_LineWidth = (FX_FLOAT)GetBorderWidth();
427
428                                 CFX_PathData path;
429                                 path.SetPointCount(nCharArraySafe.ValueOrDie());
430
431                                 for (FX_INT32 i=0; i<nCharArray-1; i++)
432                                 {
433                                         path.SetPoint(i*2, rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*(i+1),
434                                                 rcClient.bottom, FXPT_MOVETO);
435                                         path.SetPoint(i*2+1, rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*(i+1),
436                                                 rcClient.top, FXPT_LINETO);
437                                 }
438                                 if (path.GetPointCount() > 0)
439                                         pDevice->DrawPath(&path, pUser2Device, &gsd,0,  
440                                                 CPWL_Utils::PWLColorToFXColor(GetBorderColor(),255), FXFILL_ALTERNATE);
441                         }
442                         break; 
443                 case PBS_DASH:
444                         {
445                                 CFX_GraphStateData gsd;
446                                 gsd.m_LineWidth = (FX_FLOAT)GetBorderWidth();
447
448                                 gsd.SetDashCount(2);
449                                 gsd.m_DashArray[0] = (FX_FLOAT)GetBorderDash().nDash;
450                                 gsd.m_DashArray[1] = (FX_FLOAT)GetBorderDash().nGap;
451                                 gsd.m_DashPhase = (FX_FLOAT)GetBorderDash().nPhase;
452
453                                 CFX_PathData path;
454                                 path.SetPointCount(nCharArraySafe.ValueOrDie());
455
456                                 for (FX_INT32 i=0; i<nCharArray-1; i++)
457                                 {
458                                         path.SetPoint(i*2, rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*(i+1),
459                                                 rcClient.bottom, FXPT_MOVETO);
460                                         path.SetPoint(i*2+1, rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*(i+1),
461                                                 rcClient.top, FXPT_LINETO);
462                                 }
463                                 if (path.GetPointCount() > 0)
464                                         pDevice->DrawPath(&path, pUser2Device, &gsd,0,
465                                                 CPWL_Utils::PWLColorToFXColor(GetBorderColor(),255), FXFILL_ALTERNATE);
466                         }
467                         break;
468                 }               
469         }
470
471         CPDF_Rect rcClip;
472         CPVT_WordRange wrRange = m_pEdit->GetVisibleWordRange();
473         CPVT_WordRange* pRange = NULL;
474
475         if (!HasFlag(PES_TEXTOVERFLOW))
476         {
477                 rcClip = GetClientRect();
478                 pRange = &wrRange;
479         }
480 IFX_SystemHandler* pSysHandler = GetSystemHandler();
481         IFX_Edit::DrawEdit(pDevice,pUser2Device,m_pEdit,
482                 CPWL_Utils::PWLColorToFXColor(GetTextColor(),this->GetTransparency()),
483                 CPWL_Utils::PWLColorToFXColor(GetTextStrokeColor(),this->GetTransparency()),
484                 rcClip,CPDF_Point(0.0f,0.0f),pRange, pSysHandler, m_pFormFiller);
485
486         if (HasFlag(PES_SPELLCHECK))
487         {
488                 CPWL_Utils::DrawEditSpellCheck(pDevice,pUser2Device,m_pEdit,rcClip,
489                         CPDF_Point(0.0f,0.0f),pRange, this->GetCreationParam().pSpellCheck);
490         }
491 }
492
493 FX_BOOL CPWL_Edit::OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag)
494 {
495         CPWL_Wnd::OnLButtonDown(point,nFlag);
496
497         if (HasFlag(PES_TEXTOVERFLOW) || ClientHitTest(point))
498         {
499                 if (m_bMouseDown)
500                         this->InvalidateRect();
501
502                 m_bMouseDown = TRUE;            
503                 SetCapture();
504
505                 m_pEdit->OnMouseDown(point,IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
506         }
507
508         return TRUE;
509 }
510
511 FX_BOOL CPWL_Edit::OnLButtonDblClk(const CPDF_Point & point, FX_DWORD nFlag)
512 {
513         CPWL_Wnd::OnLButtonDblClk(point, nFlag);
514
515         if (HasFlag(PES_TEXTOVERFLOW) || ClientHitTest(point))
516         {
517                 m_pEdit->SelectAll();
518         }
519
520         return TRUE;
521 }
522
523 #define WM_PWLEDIT_UNDO                                 0x01
524 #define WM_PWLEDIT_REDO                                 0x02
525 #define WM_PWLEDIT_CUT                                  0x03
526 #define WM_PWLEDIT_COPY                                 0x04
527 #define WM_PWLEDIT_PASTE                                0x05
528 #define WM_PWLEDIT_DELETE                               0x06
529 #define WM_PWLEDIT_SELECTALL                    0x07
530 #define WM_PWLEDIT_SUGGEST                              0x08
531
532 FX_BOOL CPWL_Edit::OnRButtonUp(const CPDF_Point & point, FX_DWORD nFlag)
533 {
534         if (m_bMouseDown) return FALSE;
535
536         CPWL_Wnd::OnRButtonUp(point, nFlag);
537         
538         if (!HasFlag(PES_TEXTOVERFLOW) && !ClientHitTest(point)) return TRUE;
539
540         IFX_SystemHandler* pSH = GetSystemHandler();
541         if (!pSH) return FALSE;
542
543         this->SetFocus();
544
545         CPVT_WordRange wrLatin = GetLatinWordsRange(point);
546         CFX_WideString swLatin = m_pEdit->GetRangeText(wrLatin);
547
548         FX_HMENU hPopup = pSH->CreatePopupMenu();
549         if (!hPopup) return FALSE;
550
551         CFX_ByteStringArray sSuggestWords;
552         CPDF_Point ptPopup = point;
553
554         if (!IsReadOnly())
555         {
556                 if (HasFlag(PES_SPELLCHECK) && !swLatin.IsEmpty())
557                 {
558                         if (m_pSpellCheck)
559                         {
560                                 CFX_ByteString sLatin = CFX_ByteString::FromUnicode(swLatin);
561
562                                 if (!m_pSpellCheck->CheckWord(sLatin))
563                                 {                                               
564                                         m_pSpellCheck->SuggestWords(sLatin,sSuggestWords);
565
566                                         FX_INT32 nSuggest = sSuggestWords.GetSize();
567
568                                         for (FX_INT32 nWord=0; nWord<nSuggest; nWord++)
569                                         {       
570                                                 pSH->AppendMenuItem(hPopup, WM_PWLEDIT_SUGGEST+nWord, sSuggestWords[nWord].UTF8Decode());
571                                         }
572
573                                         if (nSuggest > 0)
574                                                 pSH->AppendMenuItem(hPopup, 0, L"");
575
576                                         ptPopup = GetWordRightBottomPoint(wrLatin.EndPos);
577                                 }
578                         }
579                 }
580         }
581
582         IPWL_Provider* pProvider = this->GetProvider();
583
584         if (HasFlag(PES_UNDO))
585         {
586                 pSH->AppendMenuItem(hPopup, WM_PWLEDIT_UNDO, 
587                         pProvider ? pProvider->LoadPopupMenuString(0) : L"&Undo");
588                 pSH->AppendMenuItem(hPopup, WM_PWLEDIT_REDO,
589                         pProvider ? pProvider->LoadPopupMenuString(1) : L"&Redo");
590                 pSH->AppendMenuItem(hPopup, 0, L"");
591
592                 if (!m_pEdit->CanUndo())
593                         pSH->EnableMenuItem(hPopup, WM_PWLEDIT_UNDO, FALSE);
594                 if (!m_pEdit->CanRedo())
595                         pSH->EnableMenuItem(hPopup, WM_PWLEDIT_REDO, FALSE);
596         }
597
598         pSH->AppendMenuItem(hPopup, WM_PWLEDIT_CUT, 
599                 pProvider ? pProvider->LoadPopupMenuString(2) : L"Cu&t");
600         pSH->AppendMenuItem(hPopup, WM_PWLEDIT_COPY, 
601                 pProvider ? pProvider->LoadPopupMenuString(3) : L"&Copy");
602         pSH->AppendMenuItem(hPopup, WM_PWLEDIT_PASTE, 
603                 pProvider ? pProvider->LoadPopupMenuString(4) : L"&Paste");
604         pSH->AppendMenuItem(hPopup, WM_PWLEDIT_DELETE, 
605                 pProvider ? pProvider->LoadPopupMenuString(5) : L"&Delete");
606
607         CFX_WideString swText = pSH->GetClipboardText(this->GetAttachedHWnd());
608         if (swText.IsEmpty())
609                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_PASTE, FALSE);
610
611         if (!m_pEdit->IsSelected())
612         {
613                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_CUT, FALSE);
614                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_COPY, FALSE);
615                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_DELETE, FALSE);
616         }
617
618         if (IsReadOnly())
619         {
620                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_CUT, FALSE);
621                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_DELETE, FALSE);
622                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_PASTE, FALSE);                   
623         }
624
625         if (HasFlag(PES_PASSWORD))
626         {
627                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_CUT, FALSE);
628                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_COPY, FALSE);
629         }
630
631         if (HasFlag(PES_NOREAD))
632         {
633                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_CUT, FALSE);
634                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_COPY, FALSE);
635         }
636
637         pSH->AppendMenuItem(hPopup, 0, L"");
638         pSH->AppendMenuItem(hPopup, WM_PWLEDIT_SELECTALL,
639                 pProvider ? pProvider->LoadPopupMenuString(6) : L"&Select All");
640
641         if (m_pEdit->GetTotalWords() == 0)
642         {
643                 pSH->EnableMenuItem(hPopup, WM_PWLEDIT_SELECTALL, FALSE);
644         }
645
646         FX_INT32 x, y;
647         PWLtoWnd(ptPopup, x, y);
648         pSH->ClientToScreen(GetAttachedHWnd(), x, y);
649         pSH->SetCursor(FXCT_ARROW);
650         FX_INT32 nCmd = pSH->TrackPopupMenu(hPopup,
651                                          x,
652                                          y,
653                                          GetAttachedHWnd());
654
655
656         switch (nCmd)
657         {
658         case WM_PWLEDIT_UNDO:
659                 Undo();
660                 break;
661         case WM_PWLEDIT_REDO:
662                 Redo();
663                 break;
664         case WM_PWLEDIT_CUT:
665                 this->CutText();
666                 break;
667         case WM_PWLEDIT_COPY:
668                 this->CopyText();
669                 break;
670         case WM_PWLEDIT_PASTE:
671                 this->PasteText();
672                 break;
673         case WM_PWLEDIT_DELETE:
674                 this->Clear();
675                 break;
676         case WM_PWLEDIT_SELECTALL:
677                 this->SelectAll();
678                 break;
679         case WM_PWLEDIT_SUGGEST + 0:
680                 SetSel(m_pEdit->WordPlaceToWordIndex(wrLatin.BeginPos),m_pEdit->WordPlaceToWordIndex(wrLatin.EndPos));
681                 ReplaceSel(sSuggestWords[0].UTF8Decode().c_str());
682                 break;
683         case WM_PWLEDIT_SUGGEST + 1:
684                 SetSel(m_pEdit->WordPlaceToWordIndex(wrLatin.BeginPos),m_pEdit->WordPlaceToWordIndex(wrLatin.EndPos));
685                 ReplaceSel(sSuggestWords[1].UTF8Decode().c_str());
686                 break;
687         case WM_PWLEDIT_SUGGEST + 2:
688                 SetSel(m_pEdit->WordPlaceToWordIndex(wrLatin.BeginPos),m_pEdit->WordPlaceToWordIndex(wrLatin.EndPos));
689                 ReplaceSel(sSuggestWords[2].UTF8Decode().c_str());
690                 break;
691         case WM_PWLEDIT_SUGGEST + 3:
692                 SetSel(m_pEdit->WordPlaceToWordIndex(wrLatin.BeginPos),m_pEdit->WordPlaceToWordIndex(wrLatin.EndPos));
693                 ReplaceSel(sSuggestWords[3].UTF8Decode().c_str());
694                 break;
695         case WM_PWLEDIT_SUGGEST + 4:
696                 SetSel(m_pEdit->WordPlaceToWordIndex(wrLatin.BeginPos),m_pEdit->WordPlaceToWordIndex(wrLatin.EndPos));
697                 ReplaceSel(sSuggestWords[4].UTF8Decode().c_str());
698                 break;
699         default:
700                 break;
701         }
702
703         pSH->DestroyMenu(hPopup);
704
705         return TRUE;
706 }
707
708 void CPWL_Edit::OnSetFocus()
709 {
710         SetEditCaret(TRUE);
711
712         if (!IsReadOnly())
713         {
714                 if (IPWL_FocusHandler* pFocusHandler = GetFocusHandler())
715                         pFocusHandler->OnSetFocus(this);
716         }
717
718         m_bFocus = TRUE;
719 }
720
721 void CPWL_Edit::OnKillFocus()
722 {
723         ShowVScrollBar(FALSE);
724         
725         m_pEdit->SelectNone();
726         SetCaret(FALSE, CPDF_Point(0.0f,0.0f), CPDF_Point(0.0f,0.0f));
727         
728         SetCharSet(0);
729
730         if (!IsReadOnly())
731         {
732                 if (IPWL_FocusHandler* pFocusHandler = GetFocusHandler())
733                         pFocusHandler->OnKillFocus(this);
734         }
735
736         m_bFocus = FALSE;
737 }
738
739 void CPWL_Edit::SetHorzScale(FX_INT32 nHorzScale, FX_BOOL bPaint/* = TRUE*/)
740 {
741         m_pEdit->SetHorzScale(nHorzScale, bPaint);
742 }
743
744 void CPWL_Edit::SetCharSpace(FX_FLOAT fCharSpace, FX_BOOL bPaint/* = TRUE*/)
745 {
746         m_pEdit->SetCharSpace(fCharSpace, bPaint);
747 }
748
749 void CPWL_Edit::SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint/* = TRUE*/)
750 {
751         m_pEdit->SetLineLeading(fLineLeading, bPaint);
752 }
753
754 CFX_ByteString CPWL_Edit::GetSelectAppearanceStream(const CPDF_Point & ptOffset) const
755 {
756         CPVT_WordRange wr = GetSelectWordRange();
757         return CPWL_Utils::GetEditSelAppStream(m_pEdit,ptOffset,&wr);
758 }
759
760 CPVT_WordRange CPWL_Edit::GetSelectWordRange() const
761 {
762         if (m_pEdit->IsSelected())
763         {
764                 FX_INT32 nStart = -1;
765                 FX_INT32 nEnd = -1;
766
767                 m_pEdit->GetSel(nStart, nEnd);
768
769                 CPVT_WordPlace wpStart = m_pEdit->WordIndexToWordPlace(nStart);
770                 CPVT_WordPlace wpEnd = m_pEdit->WordIndexToWordPlace(nEnd);
771
772                 return CPVT_WordRange(wpStart,wpEnd);
773         }
774
775         return CPVT_WordRange();
776 }
777
778 CFX_ByteString CPWL_Edit::GetTextAppearanceStream(const CPDF_Point & ptOffset) const
779 {
780         CFX_ByteTextBuf sRet;
781         CFX_ByteString sEdit = CPWL_Utils::GetEditAppStream(m_pEdit,ptOffset);
782         
783         if (sEdit.GetLength() > 0)
784         {
785                 sRet << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEdit << "ET\n";
786         }
787
788         return sRet.GetByteString();
789 }
790
791 CFX_ByteString CPWL_Edit::GetCaretAppearanceStream(const CPDF_Point & ptOffset) const
792 {
793         if (m_pEditCaret)
794                 return m_pEditCaret->GetCaretAppearanceStream(ptOffset);
795
796         return CFX_ByteString();
797 }
798
799 CPDF_Point CPWL_Edit::GetWordRightBottomPoint(const CPVT_WordPlace& wpWord)
800 {
801         CPDF_Point pt(0.0f, 0.0f);
802
803         if (IFX_Edit_Iterator * pIterator = m_pEdit->GetIterator())
804         {
805                 CPVT_WordPlace wpOld = pIterator->GetAt();
806                 pIterator->SetAt(wpWord);
807                 CPVT_Word word;
808                 if (pIterator->GetWord(word))
809                 {
810                         pt = CPDF_Point(word.ptWord.x + word.fWidth, word.ptWord.y + word.fDescent);
811                 }
812
813                 pIterator->SetAt(wpOld);
814         }
815
816         return pt;
817 }
818
819 FX_BOOL CPWL_Edit::IsTextFull() const
820 {
821         return m_pEdit->IsTextFull();
822 }
823
824 FX_FLOAT CPWL_Edit::GetCharArrayAutoFontSize(CPDF_Font* pFont, const CPDF_Rect& rcPlate, FX_INT32 nCharArray)
825 {
826         if (pFont && !pFont->IsStandardFont())
827         {
828                 FX_RECT rcBBox;
829                 pFont->GetFontBBox(rcBBox);
830
831                 CPDF_Rect rcCell = rcPlate;
832                 FX_FLOAT xdiv = rcCell.Width() / nCharArray * 1000.0f / rcBBox.Width();
833                 FX_FLOAT ydiv = - rcCell.Height() * 1000.0f / rcBBox.Height();
834
835                 return xdiv < ydiv ? xdiv : ydiv;
836         }
837
838         return 0.0f;
839 }
840
841 void CPWL_Edit::SetCharArray(FX_INT32 nCharArray)
842 {
843         if (HasFlag(PES_CHARARRAY) && nCharArray > 0)
844         {
845                 m_pEdit->SetCharArray(nCharArray);      
846                 m_pEdit->SetTextOverflow(TRUE);
847
848                 if (HasFlag(PWS_AUTOFONTSIZE))
849                 {
850                         if (IFX_Edit_FontMap* pFontMap = this->GetFontMap())
851                         {
852                                 FX_FLOAT fFontSize = GetCharArrayAutoFontSize(pFontMap->GetPDFFont(0), GetClientRect(), nCharArray);
853                                 if (fFontSize > 0.0f)
854                                 {
855                                         m_pEdit->SetAutoFontSize(FALSE);
856                                         m_pEdit->SetFontSize(fFontSize);
857                                 }
858                         }
859                 }
860         }
861 }
862
863 void CPWL_Edit::SetLimitChar(FX_INT32 nLimitChar)
864 {
865         m_pEdit->SetLimitChar(nLimitChar);
866 }
867
868 void CPWL_Edit::ReplaceSel(FX_LPCWSTR csText)
869 {
870         m_pEdit->Clear();
871         m_pEdit->InsertText(csText);
872 }
873
874 CPDF_Rect CPWL_Edit::GetFocusRect() const
875 {
876         return CPDF_Rect();
877 }
878
879 void CPWL_Edit::ShowVScrollBar(FX_BOOL bShow)
880 {
881         if (CPWL_ScrollBar * pScroll = GetVScrollBar())
882         {
883                 if (bShow)
884                 {
885                         if (!pScroll->IsVisible())
886                         {
887                                 pScroll->SetVisible(TRUE);
888                                 CPDF_Rect rcWindow = GetWindowRect();
889                                 m_rcOldWindow = rcWindow;
890                                 rcWindow.right += PWL_SCROLLBAR_WIDTH;                  
891                                 Move(rcWindow, TRUE, TRUE);
892                         }
893                 }
894                 else
895                 {
896                         if (pScroll->IsVisible())
897                         {
898                                 pScroll->SetVisible(FALSE);
899                                 Move(m_rcOldWindow, TRUE, TRUE);
900                         }       
901                 }
902         }
903 }
904
905 FX_BOOL CPWL_Edit::IsVScrollBarVisible() const
906 {
907         if (CPWL_ScrollBar * pScroll = GetVScrollBar())
908         {
909                 return pScroll->IsVisible();
910         }
911
912         return FALSE;
913 }
914
915 void CPWL_Edit::EnableSpellCheck(FX_BOOL bEnabled)
916 {
917         if (bEnabled)
918                 AddFlag(PES_SPELLCHECK);
919         else
920                 RemoveFlag(PES_SPELLCHECK);
921 }
922
923 FX_BOOL CPWL_Edit::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag)
924 {
925         if (m_bMouseDown) return TRUE;
926
927         if (nChar == FWL_VKEY_Delete)
928         {
929                 if (m_pFillerNotify)
930                 {
931                         FX_BOOL bRC = TRUE;
932                         FX_BOOL bExit = FALSE;
933                         CFX_WideString strChange;
934                         CFX_WideString strChangeEx;
935
936                         int nSelStart = 0;
937                         int nSelEnd = 0;
938                         GetSel(nSelStart, nSelEnd);
939
940                         if (nSelStart == nSelEnd)
941                                 nSelEnd = nSelStart + 1;
942                         m_pFillerNotify->OnBeforeKeyStroke(TRUE, GetAttachedData(), FWL_VKEY_Delete, strChange, strChangeEx, nSelStart, nSelEnd, TRUE, bRC, bExit, nFlag);
943                         if (!bRC) return FALSE;                         
944                         if (bExit) return FALSE;
945                 }
946         }
947
948         FX_BOOL bRet = CPWL_EditCtrl::OnKeyDown(nChar,  nFlag);
949
950         if (nChar == FWL_VKEY_Delete)
951         {
952                 if (m_pFillerNotify)
953                 {
954                         FX_BOOL bExit = FALSE;
955                         m_pFillerNotify->OnAfterKeyStroke(TRUE, GetAttachedData(), bExit,nFlag);
956                         if (bExit) return FALSE;
957                 }
958         }
959
960         //In case of implementation swallow the OnKeyDown event.
961         if(IsProceedtoOnChar(nChar, nFlag))
962                         return TRUE;
963
964         return bRet;
965 }
966
967 /**
968 *In case of implementation swallow the OnKeyDown event. 
969 *If the event is swallowed, implementation may do other unexpected things, which is not the control means to do.
970 */
971 FX_BOOL CPWL_Edit::IsProceedtoOnChar(FX_WORD nKeyCode, FX_DWORD nFlag)
972 {
973
974         FX_BOOL bCtrl = IsCTRLpressed(nFlag);
975         FX_BOOL bAlt = IsALTpressed(nFlag);
976         if(bCtrl && !bAlt)
977         {
978         //hot keys for edit control.    
979                 switch(nKeyCode)
980                 {
981                 case 'C':
982                 case 'V':
983                 case 'X':
984                 case 'A':
985                 case 'Z':
986                         return TRUE;
987                 default:
988                         break;
989                 }
990         }
991         //control characters.
992         switch(nKeyCode)
993         {
994         case FWL_VKEY_Escape:
995         case FWL_VKEY_Back:
996         case FWL_VKEY_Return:
997         case FWL_VKEY_Space:
998                 return TRUE;
999         default:
1000                 break;
1001         }
1002         return FALSE;
1003
1004 }
1005
1006 FX_BOOL CPWL_Edit::OnChar(FX_WORD nChar, FX_DWORD nFlag)
1007 {
1008         if (m_bMouseDown) return TRUE;
1009
1010         FX_BOOL bRC = TRUE;
1011         FX_BOOL bExit = FALSE;
1012
1013         FX_BOOL bCtrl = IsCTRLpressed(nFlag);
1014         if (!bCtrl)
1015         {
1016                 if (m_pFillerNotify)
1017                 {
1018                         CFX_WideString swChange;
1019                         FX_INT32 nKeyCode;
1020
1021                         int nSelStart = 0;
1022                         int nSelEnd = 0;
1023                         GetSel(nSelStart, nSelEnd);
1024
1025                         switch (nChar)
1026                         {
1027                         case FWL_VKEY_Back:
1028                                 nKeyCode = nChar;
1029                                 if (nSelStart == nSelEnd)
1030                                         nSelStart = nSelEnd - 1;
1031                                 break;
1032                         case FWL_VKEY_Return:
1033                                 nKeyCode = nChar;
1034                                 break;
1035                         default:
1036                                 nKeyCode = 0;
1037                                 swChange += nChar;
1038                                 break;
1039                         }
1040                 
1041                         CFX_WideString strChangeEx;
1042                         m_pFillerNotify->OnBeforeKeyStroke(TRUE, GetAttachedData(), nKeyCode, swChange, strChangeEx, nSelStart, nSelEnd, TRUE, bRC, bExit, nFlag);
1043                 }
1044         }
1045
1046         if (!bRC) return TRUE;
1047         if (bExit) return FALSE;
1048
1049         if (IFX_Edit_FontMap * pFontMap = GetFontMap())
1050         {
1051                 FX_INT32 nOldCharSet = GetCharSet();
1052                 FX_INT32 nNewCharSet = pFontMap->CharSetFromUnicode(nChar, DEFAULT_CHARSET);
1053                 if(nOldCharSet != nNewCharSet)
1054                 {
1055                         SetCharSet(nNewCharSet);
1056                 }
1057         }
1058         FX_BOOL bRet = CPWL_EditCtrl::OnChar(nChar,nFlag);
1059
1060         if (!bCtrl)
1061         {
1062                 if (m_pFillerNotify)
1063                 {
1064                         m_pFillerNotify->OnAfterKeyStroke(TRUE, GetAttachedData(), bExit,nFlag);
1065                         if (bExit) return FALSE;
1066                 }
1067         }
1068
1069         return bRet;
1070 }
1071
1072 FX_BOOL CPWL_Edit::OnMouseWheel(short zDelta, const CPDF_Point & point, FX_DWORD nFlag)
1073 {
1074         if (HasFlag(PES_MULTILINE))
1075         {
1076                 CPDF_Point ptScroll = GetScrollPos();
1077
1078                 if (zDelta > 0)
1079                 {
1080                         ptScroll.y += this->GetFontSize();
1081                 }
1082                 else
1083                 {
1084                         ptScroll.y -= this->GetFontSize();
1085                 }
1086                 this->SetScrollPos(ptScroll);
1087
1088                 return TRUE;
1089         }
1090
1091         return FALSE;
1092 }
1093
1094 void CPWL_Edit::OnInsertReturn(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace)
1095 {
1096         if (HasFlag(PES_SPELLCHECK))
1097         {
1098                 m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),GetLatinWordsRange(place)));
1099         }
1100
1101         if (m_pEditNotify)
1102         {
1103                 m_pEditNotify->OnInsertReturn(place, oldplace);
1104         }
1105 }
1106
1107 void CPWL_Edit::OnBackSpace(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace)
1108 {
1109         if (HasFlag(PES_SPELLCHECK))
1110         {
1111                 m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),GetLatinWordsRange(place)));
1112         }
1113
1114         if (m_pEditNotify)
1115         {
1116                 m_pEditNotify->OnBackSpace(place, oldplace);
1117         }
1118 }
1119
1120 void CPWL_Edit::OnDelete(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace)
1121 {
1122         if (HasFlag(PES_SPELLCHECK))
1123         {
1124                 m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),GetLatinWordsRange(place)));
1125         }
1126
1127         if (m_pEditNotify)
1128         {
1129                 m_pEditNotify->OnDelete(place, oldplace);
1130         }
1131 }
1132
1133 void CPWL_Edit::OnClear(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace)
1134 {
1135         if (HasFlag(PES_SPELLCHECK))
1136         {
1137                 m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),GetLatinWordsRange(place)));
1138         }
1139
1140         if (m_pEditNotify)
1141         {
1142                 m_pEditNotify->OnClear(place, oldplace);
1143         }
1144 }
1145
1146 void CPWL_Edit::OnInsertWord(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace)
1147 {
1148         if (HasFlag(PES_SPELLCHECK))
1149         {
1150                 m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),GetLatinWordsRange(place)));
1151         }
1152
1153         if (m_pEditNotify)
1154         {
1155                 m_pEditNotify->OnInsertWord(place, oldplace);
1156         }
1157 }
1158
1159 void CPWL_Edit::OnSetText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace)
1160 {
1161 }
1162
1163 void CPWL_Edit::OnInsertText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace)
1164 {
1165         if (HasFlag(PES_SPELLCHECK))
1166         {
1167                 m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),GetLatinWordsRange(place)));
1168         }
1169
1170         if (m_pEditNotify)
1171         {
1172                 m_pEditNotify->OnInsertText(place, oldplace);
1173         }
1174 }
1175
1176 void CPWL_Edit::OnAddUndo(IFX_Edit_UndoItem* pUndoItem)
1177 {
1178         if (m_pEditNotify)
1179         {
1180                 m_pEditNotify->OnAddUndo(this);
1181         }
1182 }
1183
1184 CPVT_WordRange CPWL_Edit::CombineWordRange(const CPVT_WordRange& wr1, const CPVT_WordRange& wr2)
1185 {
1186         CPVT_WordRange wrRet;
1187
1188         if (wr1.BeginPos.WordCmp(wr2.BeginPos) < 0)
1189         {
1190                 wrRet.BeginPos = wr1.BeginPos;
1191         }
1192         else
1193         {
1194                 wrRet.BeginPos = wr2.BeginPos;
1195         }
1196
1197         if (wr1.EndPos.WordCmp(wr2.EndPos) < 0)
1198         {
1199                 wrRet.EndPos = wr2.EndPos;
1200         }
1201         else
1202         {
1203                 wrRet.EndPos = wr1.EndPos;
1204         }
1205
1206         return wrRet;
1207 }
1208
1209 CPVT_WordRange CPWL_Edit::GetLatinWordsRange(const CPDF_Point& point) const
1210 {
1211         return GetSameWordsRange(m_pEdit->SearchWordPlace(point), TRUE, FALSE);
1212 }
1213
1214 CPVT_WordRange CPWL_Edit::GetLatinWordsRange(const CPVT_WordPlace & place) const
1215 {
1216         return GetSameWordsRange(place, TRUE, FALSE);
1217 }
1218
1219 CPVT_WordRange CPWL_Edit::GetArabicWordsRange(const CPVT_WordPlace & place) const
1220 {
1221         return GetSameWordsRange(place, FALSE, TRUE);
1222 }
1223
1224 #define PWL_ISARABICWORD(word) ((word >= 0x0600 && word <= 0x06FF) || (word >= 0xFB50 && word <= 0xFEFC))
1225
1226 CPVT_WordRange CPWL_Edit::GetSameWordsRange(const CPVT_WordPlace & place, FX_BOOL bLatin, FX_BOOL bArabic) const
1227 {
1228         CPVT_WordRange range;
1229
1230         if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator())
1231         {
1232                 CPVT_Word wordinfo;     
1233                 CPVT_WordPlace wpStart(place),wpEnd(place);                     
1234                 pIterator->SetAt(place);                        
1235                 
1236                 if (bLatin)
1237                 {
1238                         while (pIterator->NextWord())
1239                         {
1240                                 if (pIterator->GetWord(wordinfo) && FX_EDIT_ISLATINWORD(wordinfo.Word))
1241                                 {
1242                                         wpEnd = pIterator->GetAt();
1243                                         continue;
1244                                 }
1245                                 else 
1246                                         break;
1247                         };
1248                 }
1249                 else if (bArabic)
1250                 {
1251                         while (pIterator->NextWord())
1252                         {
1253                                 if (pIterator->GetWord(wordinfo) && PWL_ISARABICWORD(wordinfo.Word))
1254                                 {
1255                                         wpEnd = pIterator->GetAt();
1256                                         continue;
1257                                 }
1258                                 else 
1259                                         break;
1260                         };
1261                 }
1262
1263                 pIterator->SetAt(place);
1264
1265                 if (bLatin)
1266                 {
1267                         do
1268                         {
1269                                 if (pIterator->GetWord(wordinfo) && FX_EDIT_ISLATINWORD(wordinfo.Word))
1270                                 {                                       
1271                                         continue;
1272                                 }
1273                                 else
1274                                 {
1275                                         wpStart = pIterator->GetAt();
1276                                         break;
1277                                 }
1278                         }
1279                         while (pIterator->PrevWord());
1280                 }
1281                 else if (bArabic)
1282                 {
1283                         do
1284                         {
1285                                 if (pIterator->GetWord(wordinfo) && PWL_ISARABICWORD(wordinfo.Word))
1286                                 {                                       
1287                                         continue;
1288                                 }
1289                                 else
1290                                 {
1291                                         wpStart = pIterator->GetAt();
1292                                         break;
1293                                 }
1294                         }
1295                         while (pIterator->PrevWord());
1296                 }
1297
1298                 range.Set(wpStart,wpEnd);
1299         }       
1300
1301         return range;
1302 }
1303
1304 void CPWL_Edit::AjustArabicWords(const CPVT_WordRange& wr)
1305 {
1306 }
1307
1308 void CPWL_Edit::GeneratePageObjects(CPDF_PageObjects* pPageObjects, 
1309                                                                                 const CPDF_Point& ptOffset, CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray)
1310 {
1311         IFX_Edit::GeneratePageObjects(pPageObjects, m_pEdit, ptOffset, NULL, CPWL_Utils::PWLColorToFXColor(GetTextColor(),GetTransparency()), ObjArray);
1312 }
1313
1314 void CPWL_Edit::GeneratePageObjects(CPDF_PageObjects* pPageObjects, 
1315                                                                         const CPDF_Point& ptOffset)
1316 {
1317         CFX_ArrayTemplate<CPDF_TextObject*> ObjArray;
1318         IFX_Edit::GeneratePageObjects(pPageObjects, m_pEdit, ptOffset, NULL, CPWL_Utils::PWLColorToFXColor(GetTextColor(),GetTransparency()), ObjArray);
1319 }
1320