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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 "fpdfsdk/include/pdfwindow/PWL_EditCtrl.h"
8 
9 #include "fpdfsdk/include/pdfwindow/PWL_Caret.h"
10 #include "fpdfsdk/include/pdfwindow/PWL_FontMap.h"
11 #include "fpdfsdk/include/pdfwindow/PWL_ScrollBar.h"
12 #include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
13 #include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
14 #include "public/fpdf_fwlevent.h"
15 
16 #define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001)
17 #define IsFloatBigger(fa, fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb)))
18 #define IsFloatSmaller(fa, fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb)))
19 #define IsFloatEqual(fa, fb) IsFloatZero((fa) - (fb))
20 
CPWL_EditCtrl()21 CPWL_EditCtrl::CPWL_EditCtrl()
22     : m_pEdit(NULL),
23       m_pEditCaret(NULL),
24       m_bMouseDown(FALSE),
25       m_pEditNotify(NULL),
26       m_nCharSet(DEFAULT_CHARSET),
27       m_nCodePage(0) {
28   m_pEdit = IFX_Edit::NewEdit();
29   ASSERT(m_pEdit);
30 }
31 
~CPWL_EditCtrl()32 CPWL_EditCtrl::~CPWL_EditCtrl() {
33   IFX_Edit::DelEdit(m_pEdit);
34 }
35 
OnCreate(PWL_CREATEPARAM & cp)36 void CPWL_EditCtrl::OnCreate(PWL_CREATEPARAM& cp) {
37   cp.eCursorType = FXCT_VBEAM;
38 }
39 
OnCreated()40 void CPWL_EditCtrl::OnCreated() {
41   SetFontSize(GetCreationParam().fFontSize);
42 
43   m_pEdit->SetFontMap(GetFontMap());
44   m_pEdit->SetNotify(this);
45   m_pEdit->Initialize();
46 }
47 
IsWndHorV()48 FX_BOOL CPWL_EditCtrl::IsWndHorV() {
49   CFX_Matrix mt = GetWindowMatrix();
50   CPDF_Point point1(0, 1);
51   CPDF_Point point2(1, 1);
52 
53   mt.Transform(point1.x, point1.y);
54   mt.Transform(point2.x, point2.y);
55 
56   return point2.y == point1.y;
57 }
58 
SetCursor()59 void CPWL_EditCtrl::SetCursor() {
60   if (IsValid()) {
61     if (IFX_SystemHandler* pSH = GetSystemHandler()) {
62       if (IsWndHorV())
63         pSH->SetCursor(FXCT_VBEAM);
64       else
65         pSH->SetCursor(FXCT_HBEAM);
66     }
67   }
68 }
69 
RePosChildWnd()70 void CPWL_EditCtrl::RePosChildWnd() {
71   m_pEdit->SetPlateRect(GetClientRect());
72 }
73 
OnNotify(CPWL_Wnd * pWnd,FX_DWORD msg,intptr_t wParam,intptr_t lParam)74 void CPWL_EditCtrl::OnNotify(CPWL_Wnd* pWnd,
75                              FX_DWORD msg,
76                              intptr_t wParam,
77                              intptr_t lParam) {
78   CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam);
79 
80   switch (msg) {
81     case PNM_SETSCROLLINFO:
82       switch (wParam) {
83         case SBT_VSCROLL:
84           if (CPWL_Wnd* pChild = GetVScrollBar()) {
85             pChild->OnNotify(pWnd, PNM_SETSCROLLINFO, wParam, lParam);
86           }
87           break;
88       }
89       break;
90     case PNM_SETSCROLLPOS:
91       switch (wParam) {
92         case SBT_VSCROLL:
93           if (CPWL_Wnd* pChild = GetVScrollBar()) {
94             pChild->OnNotify(pWnd, PNM_SETSCROLLPOS, wParam, lParam);
95           }
96           break;
97       }
98       break;
99     case PNM_SCROLLWINDOW: {
100       FX_FLOAT fPos = *(FX_FLOAT*)lParam;
101       switch (wParam) {
102         case SBT_VSCROLL:
103           m_pEdit->SetScrollPos(CPDF_Point(m_pEdit->GetScrollPos().x, fPos));
104           break;
105       }
106     } break;
107     case PNM_SETCARETINFO: {
108       if (PWL_CARET_INFO* pCaretInfo = (PWL_CARET_INFO*)wParam) {
109         SetCaret(pCaretInfo->bVisible, pCaretInfo->ptHead, pCaretInfo->ptFoot);
110       }
111     } break;
112   }
113 }
114 
CreateChildWnd(const PWL_CREATEPARAM & cp)115 void CPWL_EditCtrl::CreateChildWnd(const PWL_CREATEPARAM& cp) {
116   if (!IsReadOnly())
117     CreateEditCaret(cp);
118 }
119 
CreateEditCaret(const PWL_CREATEPARAM & cp)120 void CPWL_EditCtrl::CreateEditCaret(const PWL_CREATEPARAM& cp) {
121   if (!m_pEditCaret) {
122     m_pEditCaret = new CPWL_Caret;
123     m_pEditCaret->SetInvalidRect(GetClientRect());
124 
125     PWL_CREATEPARAM ecp = cp;
126     ecp.pParentWnd = this;
127     ecp.dwFlags = PWS_CHILD | PWS_NOREFRESHCLIP;
128     ecp.dwBorderWidth = 0;
129     ecp.nBorderStyle = PBS_SOLID;
130     ecp.rcRectWnd = CPDF_Rect(0, 0, 0, 0);
131 
132     m_pEditCaret->Create(ecp);
133   }
134 }
135 
SetFontSize(FX_FLOAT fFontSize)136 void CPWL_EditCtrl::SetFontSize(FX_FLOAT fFontSize) {
137   m_pEdit->SetFontSize(fFontSize);
138 }
139 
GetFontSize() const140 FX_FLOAT CPWL_EditCtrl::GetFontSize() const {
141   return m_pEdit->GetFontSize();
142 }
143 
OnKeyDown(FX_WORD nChar,FX_DWORD nFlag)144 FX_BOOL CPWL_EditCtrl::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag) {
145   if (m_bMouseDown)
146     return TRUE;
147 
148   FX_BOOL bRet = CPWL_Wnd::OnKeyDown(nChar, nFlag);
149 
150   // FILTER
151   switch (nChar) {
152     default:
153       return FALSE;
154     case FWL_VKEY_Delete:
155     case FWL_VKEY_Up:
156     case FWL_VKEY_Down:
157     case FWL_VKEY_Left:
158     case FWL_VKEY_Right:
159     case FWL_VKEY_Home:
160     case FWL_VKEY_End:
161     case FWL_VKEY_Insert:
162     case 'C':
163     case 'V':
164     case 'X':
165     case 'A':
166     case 'Z':
167     case 'c':
168     case 'v':
169     case 'x':
170     case 'a':
171     case 'z':
172       break;
173   }
174 
175   if (nChar == FWL_VKEY_Delete) {
176     if (m_pEdit->IsSelected())
177       nChar = FWL_VKEY_Unknown;
178   }
179 
180   switch (nChar) {
181     case FWL_VKEY_Delete:
182       Delete();
183       return TRUE;
184     case FWL_VKEY_Insert:
185       if (IsSHIFTpressed(nFlag))
186         PasteText();
187       return TRUE;
188     case FWL_VKEY_Up:
189       m_pEdit->OnVK_UP(IsSHIFTpressed(nFlag), FALSE);
190       return TRUE;
191     case FWL_VKEY_Down:
192       m_pEdit->OnVK_DOWN(IsSHIFTpressed(nFlag), FALSE);
193       return TRUE;
194     case FWL_VKEY_Left:
195       m_pEdit->OnVK_LEFT(IsSHIFTpressed(nFlag), FALSE);
196       return TRUE;
197     case FWL_VKEY_Right:
198       m_pEdit->OnVK_RIGHT(IsSHIFTpressed(nFlag), FALSE);
199       return TRUE;
200     case FWL_VKEY_Home:
201       m_pEdit->OnVK_HOME(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
202       return TRUE;
203     case FWL_VKEY_End:
204       m_pEdit->OnVK_END(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
205       return TRUE;
206     case FWL_VKEY_Unknown:
207       if (!IsSHIFTpressed(nFlag))
208         Clear();
209       else
210         CutText();
211       return TRUE;
212     default:
213       break;
214   }
215 
216   return bRet;
217 }
218 
OnChar(FX_WORD nChar,FX_DWORD nFlag)219 FX_BOOL CPWL_EditCtrl::OnChar(FX_WORD nChar, FX_DWORD nFlag) {
220   if (m_bMouseDown)
221     return TRUE;
222 
223   CPWL_Wnd::OnChar(nChar, nFlag);
224 
225   // FILTER
226   switch (nChar) {
227     case 0x0A:
228     case 0x1B:
229       return FALSE;
230     default:
231       break;
232   }
233 
234   FX_BOOL bCtrl = IsCTRLpressed(nFlag);
235   FX_BOOL bAlt = IsALTpressed(nFlag);
236   FX_BOOL bShift = IsSHIFTpressed(nFlag);
237 
238   FX_WORD word = nChar;
239 
240   if (bCtrl && !bAlt) {
241     switch (nChar) {
242       case 'C' - 'A' + 1:
243         CopyText();
244         return TRUE;
245       case 'V' - 'A' + 1:
246         PasteText();
247         return TRUE;
248       case 'X' - 'A' + 1:
249         CutText();
250         return TRUE;
251       case 'A' - 'A' + 1:
252         SelectAll();
253         return TRUE;
254       case 'Z' - 'A' + 1:
255         if (bShift)
256           Redo();
257         else
258           Undo();
259         return TRUE;
260       default:
261         if (nChar < 32)
262           return FALSE;
263     }
264   }
265 
266   if (IsReadOnly())
267     return TRUE;
268 
269   if (m_pEdit->IsSelected() && word == FWL_VKEY_Back)
270     word = FWL_VKEY_Unknown;
271 
272   Clear();
273 
274   switch (word) {
275     case FWL_VKEY_Back:
276       Backspace();
277       break;
278     case FWL_VKEY_Return:
279       InsertReturn();
280       break;
281     case FWL_VKEY_Unknown:
282       break;
283     default:
284       if (IsINSERTpressed(nFlag))
285         Delete();
286       InsertWord(word, GetCharSet());
287       break;
288   }
289 
290   return TRUE;
291 }
292 
OnLButtonDown(const CPDF_Point & point,FX_DWORD nFlag)293 FX_BOOL CPWL_EditCtrl::OnLButtonDown(const CPDF_Point& point, FX_DWORD nFlag) {
294   CPWL_Wnd::OnLButtonDown(point, nFlag);
295 
296   if (ClientHitTest(point)) {
297     if (m_bMouseDown)
298       InvalidateRect();
299 
300     m_bMouseDown = TRUE;
301     SetCapture();
302 
303     m_pEdit->OnMouseDown(point, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
304   }
305 
306   return TRUE;
307 }
308 
OnLButtonUp(const CPDF_Point & point,FX_DWORD nFlag)309 FX_BOOL CPWL_EditCtrl::OnLButtonUp(const CPDF_Point& point, FX_DWORD nFlag) {
310   CPWL_Wnd::OnLButtonUp(point, nFlag);
311 
312   if (m_bMouseDown) {
313     // can receive keybord message
314     if (ClientHitTest(point) && !IsFocused())
315       SetFocus();
316 
317     ReleaseCapture();
318     m_bMouseDown = FALSE;
319   }
320 
321   return TRUE;
322 }
323 
OnMouseMove(const CPDF_Point & point,FX_DWORD nFlag)324 FX_BOOL CPWL_EditCtrl::OnMouseMove(const CPDF_Point& point, FX_DWORD nFlag) {
325   CPWL_Wnd::OnMouseMove(point, nFlag);
326 
327   if (m_bMouseDown)
328     m_pEdit->OnMouseMove(point, FALSE, FALSE);
329 
330   return TRUE;
331 }
332 
GetContentRect() const333 CPDF_Rect CPWL_EditCtrl::GetContentRect() const {
334   return m_pEdit->GetContentRect();
335 }
336 
SetEditCaret(FX_BOOL bVisible)337 void CPWL_EditCtrl::SetEditCaret(FX_BOOL bVisible) {
338   CPDF_Point ptHead(0, 0), ptFoot(0, 0);
339 
340   if (bVisible) {
341     GetCaretInfo(ptHead, ptFoot);
342   }
343 
344   CPVT_WordPlace wpTemp = m_pEdit->GetCaretWordPlace();
345   IOnSetCaret(bVisible, ptHead, ptFoot, wpTemp);
346 }
347 
GetCaretInfo(CPDF_Point & ptHead,CPDF_Point & ptFoot) const348 void CPWL_EditCtrl::GetCaretInfo(CPDF_Point& ptHead, CPDF_Point& ptFoot) const {
349   if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator()) {
350     pIterator->SetAt(m_pEdit->GetCaret());
351     CPVT_Word word;
352     CPVT_Line line;
353     if (pIterator->GetWord(word)) {
354       ptHead.x = word.ptWord.x + word.fWidth;
355       ptHead.y = word.ptWord.y + word.fAscent;
356       ptFoot.x = word.ptWord.x + word.fWidth;
357       ptFoot.y = word.ptWord.y + word.fDescent;
358     } else if (pIterator->GetLine(line)) {
359       ptHead.x = line.ptLine.x;
360       ptHead.y = line.ptLine.y + line.fLineAscent;
361       ptFoot.x = line.ptLine.x;
362       ptFoot.y = line.ptLine.y + line.fLineDescent;
363     }
364   }
365 }
366 
GetCaretPos(int32_t & x,int32_t & y) const367 void CPWL_EditCtrl::GetCaretPos(int32_t& x, int32_t& y) const {
368   CPDF_Point ptHead(0, 0), ptFoot(0, 0);
369 
370   GetCaretInfo(ptHead, ptFoot);
371 
372   PWLtoWnd(ptHead, x, y);
373 }
374 
SetCaret(FX_BOOL bVisible,const CPDF_Point & ptHead,const CPDF_Point & ptFoot)375 void CPWL_EditCtrl::SetCaret(FX_BOOL bVisible,
376                              const CPDF_Point& ptHead,
377                              const CPDF_Point& ptFoot) {
378   if (m_pEditCaret) {
379     if (!IsFocused() || m_pEdit->IsSelected())
380       bVisible = FALSE;
381 
382     m_pEditCaret->SetCaret(bVisible, ptHead, ptFoot);
383   }
384 }
385 
GetText() const386 CFX_WideString CPWL_EditCtrl::GetText() const {
387   return m_pEdit->GetText();
388 }
389 
SetSel(int32_t nStartChar,int32_t nEndChar)390 void CPWL_EditCtrl::SetSel(int32_t nStartChar, int32_t nEndChar) {
391   m_pEdit->SetSel(nStartChar, nEndChar);
392 }
393 
GetSel(int32_t & nStartChar,int32_t & nEndChar) const394 void CPWL_EditCtrl::GetSel(int32_t& nStartChar, int32_t& nEndChar) const {
395   m_pEdit->GetSel(nStartChar, nEndChar);
396 }
397 
Clear()398 void CPWL_EditCtrl::Clear() {
399   if (!IsReadOnly())
400     m_pEdit->Clear();
401 }
402 
SelectAll()403 void CPWL_EditCtrl::SelectAll() {
404   m_pEdit->SelectAll();
405 }
406 
Paint()407 void CPWL_EditCtrl::Paint() {
408   if (m_pEdit)
409     m_pEdit->Paint();
410 }
411 
EnableRefresh(FX_BOOL bRefresh)412 void CPWL_EditCtrl::EnableRefresh(FX_BOOL bRefresh) {
413   if (m_pEdit)
414     m_pEdit->EnableRefresh(bRefresh);
415 }
416 
GetCaret() const417 int32_t CPWL_EditCtrl::GetCaret() const {
418   if (m_pEdit)
419     return m_pEdit->GetCaret();
420 
421   return -1;
422 }
423 
SetCaret(int32_t nPos)424 void CPWL_EditCtrl::SetCaret(int32_t nPos) {
425   if (m_pEdit)
426     m_pEdit->SetCaret(nPos);
427 }
428 
GetTotalWords() const429 int32_t CPWL_EditCtrl::GetTotalWords() const {
430   if (m_pEdit)
431     return m_pEdit->GetTotalWords();
432 
433   return 0;
434 }
435 
SetScrollPos(const CPDF_Point & point)436 void CPWL_EditCtrl::SetScrollPos(const CPDF_Point& point) {
437   if (m_pEdit)
438     m_pEdit->SetScrollPos(point);
439 }
440 
GetScrollPos() const441 CPDF_Point CPWL_EditCtrl::GetScrollPos() const {
442   if (m_pEdit)
443     return m_pEdit->GetScrollPos();
444 
445   return CPDF_Point(0.0f, 0.0f);
446 }
447 
GetCaretFont() const448 CPDF_Font* CPWL_EditCtrl::GetCaretFont() const {
449   int32_t nFontIndex = 0;
450 
451   if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator()) {
452     pIterator->SetAt(m_pEdit->GetCaret());
453     CPVT_Word word;
454     CPVT_Section section;
455     if (pIterator->GetWord(word)) {
456       nFontIndex = word.nFontIndex;
457     } else if (HasFlag(PES_RICH)) {
458       if (pIterator->GetSection(section)) {
459         nFontIndex = section.WordProps.nFontIndex;
460       }
461     }
462   }
463 
464   if (IFX_Edit_FontMap* pFontMap = GetFontMap())
465     return pFontMap->GetPDFFont(nFontIndex);
466 
467   return NULL;
468 }
469 
GetCaretFontSize() const470 FX_FLOAT CPWL_EditCtrl::GetCaretFontSize() const {
471   FX_FLOAT fFontSize = GetFontSize();
472 
473   if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator()) {
474     pIterator->SetAt(m_pEdit->GetCaret());
475     CPVT_Word word;
476     CPVT_Section section;
477     if (pIterator->GetWord(word)) {
478       fFontSize = word.fFontSize;
479     } else if (HasFlag(PES_RICH)) {
480       if (pIterator->GetSection(section)) {
481         fFontSize = section.WordProps.fFontSize;
482       }
483     }
484   }
485 
486   return fFontSize;
487 }
488 
SetText(const FX_WCHAR * csText)489 void CPWL_EditCtrl::SetText(const FX_WCHAR* csText) {
490   m_pEdit->SetText(csText);
491 }
492 
CopyText()493 void CPWL_EditCtrl::CopyText() {}
494 
PasteText()495 void CPWL_EditCtrl::PasteText() {}
496 
CutText()497 void CPWL_EditCtrl::CutText() {}
498 
ShowVScrollBar(FX_BOOL bShow)499 void CPWL_EditCtrl::ShowVScrollBar(FX_BOOL bShow) {}
500 
InsertText(const FX_WCHAR * csText)501 void CPWL_EditCtrl::InsertText(const FX_WCHAR* csText) {
502   if (!IsReadOnly())
503     m_pEdit->InsertText(csText);
504 }
505 
InsertWord(FX_WORD word,int32_t nCharset)506 void CPWL_EditCtrl::InsertWord(FX_WORD word, int32_t nCharset) {
507   if (!IsReadOnly())
508     m_pEdit->InsertWord(word, nCharset);
509 }
510 
InsertReturn()511 void CPWL_EditCtrl::InsertReturn() {
512   if (!IsReadOnly())
513     m_pEdit->InsertReturn();
514 }
515 
Delete()516 void CPWL_EditCtrl::Delete() {
517   if (!IsReadOnly())
518     m_pEdit->Delete();
519 }
520 
Backspace()521 void CPWL_EditCtrl::Backspace() {
522   if (!IsReadOnly())
523     m_pEdit->Backspace();
524 }
525 
CanUndo() const526 FX_BOOL CPWL_EditCtrl::CanUndo() const {
527   return !IsReadOnly() && m_pEdit->CanUndo();
528 }
529 
CanRedo() const530 FX_BOOL CPWL_EditCtrl::CanRedo() const {
531   return !IsReadOnly() && m_pEdit->CanRedo();
532 }
533 
Redo()534 void CPWL_EditCtrl::Redo() {
535   if (CanRedo())
536     m_pEdit->Redo();
537 }
538 
Undo()539 void CPWL_EditCtrl::Undo() {
540   if (CanUndo())
541     m_pEdit->Undo();
542 }
543 
IOnSetScrollInfoY(FX_FLOAT fPlateMin,FX_FLOAT fPlateMax,FX_FLOAT fContentMin,FX_FLOAT fContentMax,FX_FLOAT fSmallStep,FX_FLOAT fBigStep)544 void CPWL_EditCtrl::IOnSetScrollInfoY(FX_FLOAT fPlateMin,
545                                       FX_FLOAT fPlateMax,
546                                       FX_FLOAT fContentMin,
547                                       FX_FLOAT fContentMax,
548                                       FX_FLOAT fSmallStep,
549                                       FX_FLOAT fBigStep) {
550   PWL_SCROLL_INFO Info;
551 
552   Info.fPlateWidth = fPlateMax - fPlateMin;
553   Info.fContentMin = fContentMin;
554   Info.fContentMax = fContentMax;
555   Info.fSmallStep = fSmallStep;
556   Info.fBigStep = fBigStep;
557 
558   OnNotify(this, PNM_SETSCROLLINFO, SBT_VSCROLL, (intptr_t)&Info);
559 
560   if (IsFloatBigger(Info.fPlateWidth, Info.fContentMax - Info.fContentMin) ||
561       IsFloatEqual(Info.fPlateWidth, Info.fContentMax - Info.fContentMin)) {
562     ShowVScrollBar(FALSE);
563   } else {
564     ShowVScrollBar(TRUE);
565   }
566 }
567 
IOnSetScrollPosY(FX_FLOAT fy)568 void CPWL_EditCtrl::IOnSetScrollPosY(FX_FLOAT fy) {
569   OnNotify(this, PNM_SETSCROLLPOS, SBT_VSCROLL, (intptr_t)&fy);
570 }
571 
IOnSetCaret(FX_BOOL bVisible,const CPDF_Point & ptHead,const CPDF_Point & ptFoot,const CPVT_WordPlace & place)572 void CPWL_EditCtrl::IOnSetCaret(FX_BOOL bVisible,
573                                 const CPDF_Point& ptHead,
574                                 const CPDF_Point& ptFoot,
575                                 const CPVT_WordPlace& place) {
576   PWL_CARET_INFO cInfo;
577   cInfo.bVisible = bVisible;
578   cInfo.ptHead = ptHead;
579   cInfo.ptFoot = ptFoot;
580 
581   OnNotify(this, PNM_SETCARETINFO, (intptr_t)&cInfo, (intptr_t)NULL);
582 }
583 
IOnCaretChange(const CPVT_SecProps & secProps,const CPVT_WordProps & wordProps)584 void CPWL_EditCtrl::IOnCaretChange(const CPVT_SecProps& secProps,
585                                    const CPVT_WordProps& wordProps) {}
586 
IOnContentChange(const CPDF_Rect & rcContent)587 void CPWL_EditCtrl::IOnContentChange(const CPDF_Rect& rcContent) {
588   if (IsValid()) {
589     if (m_pEditNotify) {
590       m_pEditNotify->OnContentChange(rcContent);
591     }
592   }
593 }
594 
IOnInvalidateRect(CPDF_Rect * pRect)595 void CPWL_EditCtrl::IOnInvalidateRect(CPDF_Rect* pRect) {
596   InvalidateRect(pRect);
597 }
598 
GetCharSet() const599 int32_t CPWL_EditCtrl::GetCharSet() const {
600   return m_nCharSet < 0 ? DEFAULT_CHARSET : m_nCharSet;
601 }
602 
GetTextRange(const CPDF_Rect & rect,int32_t & nStartChar,int32_t & nEndChar) const603 void CPWL_EditCtrl::GetTextRange(const CPDF_Rect& rect,
604                                  int32_t& nStartChar,
605                                  int32_t& nEndChar) const {
606   nStartChar = m_pEdit->WordPlaceToWordIndex(
607       m_pEdit->SearchWordPlace(CPDF_Point(rect.left, rect.top)));
608   nEndChar = m_pEdit->WordPlaceToWordIndex(
609       m_pEdit->SearchWordPlace(CPDF_Point(rect.right, rect.bottom)));
610 }
611 
GetText(int32_t & nStartChar,int32_t & nEndChar) const612 CFX_WideString CPWL_EditCtrl::GetText(int32_t& nStartChar,
613                                       int32_t& nEndChar) const {
614   CPVT_WordPlace wpStart = m_pEdit->WordIndexToWordPlace(nStartChar);
615   CPVT_WordPlace wpEnd = m_pEdit->WordIndexToWordPlace(nEndChar);
616   return m_pEdit->GetRangeText(CPVT_WordRange(wpStart, wpEnd));
617 }
618 
SetReadyToInput()619 void CPWL_EditCtrl::SetReadyToInput() {
620   if (m_bMouseDown) {
621     ReleaseCapture();
622     m_bMouseDown = FALSE;
623   }
624 }
625