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_FXEDIT_FXET_EDIT_H_ 8 #define FPDFSDK_INCLUDE_FXEDIT_FXET_EDIT_H_ 9 10 #include "core/include/fpdfdoc/fpdf_vt.h" 11 #include "fpdfsdk/include/fxedit/fx_edit.h" 12 13 class CFX_Edit; 14 class CFX_Edit_Iterator; 15 class CFX_Edit_Provider; 16 17 #define FX_EDIT_IsFloatZero(f) (f < 0.0001 && f > -0.0001) 18 #define FX_EDIT_IsFloatEqual(fa, fb) FX_EDIT_IsFloatZero(fa - fb) 19 #define FX_EDIT_IsFloatBigger(fa, fb) (fa > fb && !FX_EDIT_IsFloatEqual(fa, fb)) 20 #define FX_EDIT_IsFloatSmaller(fa, fb) \ 21 (fa < fb && !FX_EDIT_IsFloatEqual(fa, fb)) 22 23 /* ------------------------- CFX_Edit_Refresh ---------------------------- */ 24 25 enum REFRESH_PLAN_E { RP_ANALYSE, RP_NOANALYSE, RP_OPTIONAL }; 26 27 enum EDIT_PROPS_E { 28 EP_LINELEADING, 29 EP_LINEINDENT, 30 EP_ALIGNMENT, 31 EP_FONTINDEX, 32 EP_FONTSIZE, 33 EP_WORDCOLOR, 34 EP_SCRIPTTYPE, 35 EP_UNDERLINE, 36 EP_CROSSOUT, 37 EP_CHARSPACE, 38 EP_HORZSCALE, 39 EP_BOLD, 40 EP_ITALIC 41 }; 42 43 struct CFX_Edit_LineRect { CFX_Edit_LineRectCFX_Edit_LineRect44 CFX_Edit_LineRect(const CPVT_WordRange& wrLine, const CPDF_Rect& rcLine) 45 : m_wrLine(wrLine), m_rcLine(rcLine) {} 46 47 FX_BOOL operator!=(const CFX_Edit_LineRect& linerect) const { 48 return FXSYS_memcmp(this, &linerect, sizeof(CFX_Edit_LineRect)) != 0; 49 } 50 IsSameHeightCFX_Edit_LineRect51 FX_BOOL IsSameHeight(const CFX_Edit_LineRect& linerect) const { 52 return FX_EDIT_IsFloatZero( 53 (m_rcLine.top - m_rcLine.bottom) - 54 (linerect.m_rcLine.top - linerect.m_rcLine.bottom)); 55 } 56 IsSameTopCFX_Edit_LineRect57 FX_BOOL IsSameTop(const CFX_Edit_LineRect& linerect) const { 58 return FX_EDIT_IsFloatZero(m_rcLine.top - linerect.m_rcLine.top); 59 } 60 IsSameLeftCFX_Edit_LineRect61 FX_BOOL IsSameLeft(const CFX_Edit_LineRect& linerect) const { 62 return FX_EDIT_IsFloatZero(m_rcLine.left - linerect.m_rcLine.left); 63 } 64 IsSameRightCFX_Edit_LineRect65 FX_BOOL IsSameRight(const CFX_Edit_LineRect& linerect) const { 66 return FX_EDIT_IsFloatZero(m_rcLine.right - linerect.m_rcLine.right); 67 } 68 69 CPVT_WordRange m_wrLine; 70 CPDF_Rect m_rcLine; 71 }; 72 73 class CFX_Edit_LineRectArray { 74 public: CFX_Edit_LineRectArray()75 CFX_Edit_LineRectArray() {} 76 ~CFX_Edit_LineRectArray()77 virtual ~CFX_Edit_LineRectArray() { Empty(); } 78 Empty()79 void Empty() { 80 for (int32_t i = 0, sz = m_LineRects.GetSize(); i < sz; i++) 81 delete m_LineRects.GetAt(i); 82 83 m_LineRects.RemoveAll(); 84 } 85 RemoveAll()86 void RemoveAll() { m_LineRects.RemoveAll(); } 87 88 void operator=(CFX_Edit_LineRectArray& rects) { 89 Empty(); 90 for (int32_t i = 0, sz = rects.GetSize(); i < sz; i++) 91 m_LineRects.Add(rects.GetAt(i)); 92 93 rects.RemoveAll(); 94 } 95 Add(const CPVT_WordRange & wrLine,const CPDF_Rect & rcLine)96 void Add(const CPVT_WordRange& wrLine, const CPDF_Rect& rcLine) { 97 m_LineRects.Add(new CFX_Edit_LineRect(wrLine, rcLine)); 98 } 99 GetSize()100 int32_t GetSize() const { return m_LineRects.GetSize(); } 101 GetAt(int32_t nIndex)102 CFX_Edit_LineRect* GetAt(int32_t nIndex) const { 103 if (nIndex < 0 || nIndex >= m_LineRects.GetSize()) 104 return NULL; 105 106 return m_LineRects.GetAt(nIndex); 107 } 108 109 CFX_ArrayTemplate<CFX_Edit_LineRect*> m_LineRects; 110 }; 111 112 class CFX_Edit_RectArray { 113 public: CFX_Edit_RectArray()114 CFX_Edit_RectArray() {} 115 ~CFX_Edit_RectArray()116 virtual ~CFX_Edit_RectArray() { Empty(); } 117 Empty()118 void Empty() { 119 for (int32_t i = 0, sz = m_Rects.GetSize(); i < sz; i++) 120 delete m_Rects.GetAt(i); 121 122 m_Rects.RemoveAll(); 123 } 124 Add(const CPDF_Rect & rect)125 void Add(const CPDF_Rect& rect) { 126 // check for overlapped area 127 for (int32_t i = 0, sz = m_Rects.GetSize(); i < sz; i++) { 128 CPDF_Rect* pRect = m_Rects.GetAt(i); 129 if (pRect && pRect->Contains(rect)) 130 return; 131 } 132 133 m_Rects.Add(new CPDF_Rect(rect)); 134 } 135 GetSize()136 int32_t GetSize() const { return m_Rects.GetSize(); } 137 GetAt(int32_t nIndex)138 CPDF_Rect* GetAt(int32_t nIndex) const { 139 if (nIndex < 0 || nIndex >= m_Rects.GetSize()) 140 return NULL; 141 142 return m_Rects.GetAt(nIndex); 143 } 144 145 CFX_ArrayTemplate<CPDF_Rect*> m_Rects; 146 }; 147 148 class CFX_Edit_Refresh { 149 public: 150 CFX_Edit_Refresh(); 151 virtual ~CFX_Edit_Refresh(); 152 153 void BeginRefresh(); 154 void Push(const CPVT_WordRange& linerange, const CPDF_Rect& rect); 155 void NoAnalyse(); 156 void Analyse(int32_t nAlignment); 157 void AddRefresh(const CPDF_Rect& rect); 158 const CFX_Edit_RectArray* GetRefreshRects() const; 159 void EndRefresh(); 160 161 private: 162 CFX_Edit_LineRectArray m_NewLineRects; 163 CFX_Edit_LineRectArray m_OldLineRects; 164 CFX_Edit_RectArray m_RefreshRects; 165 }; 166 167 /* ------------------------- CFX_Edit_Select ---------------------------- */ 168 169 class CFX_Edit_Select { 170 public: CFX_Edit_Select()171 CFX_Edit_Select() {} 172 CFX_Edit_Select(const CPVT_WordPlace & begin,const CPVT_WordPlace & end)173 CFX_Edit_Select(const CPVT_WordPlace& begin, const CPVT_WordPlace& end) { 174 Set(begin, end); 175 } 176 CFX_Edit_Select(const CPVT_WordRange & range)177 explicit CFX_Edit_Select(const CPVT_WordRange& range) { 178 Set(range.BeginPos, range.EndPos); 179 } 180 ConvertToWordRange()181 CPVT_WordRange ConvertToWordRange() const { 182 return CPVT_WordRange(BeginPos, EndPos); 183 } 184 Default()185 void Default() { 186 BeginPos.Default(); 187 EndPos.Default(); 188 } 189 Set(const CPVT_WordPlace & begin,const CPVT_WordPlace & end)190 void Set(const CPVT_WordPlace& begin, const CPVT_WordPlace& end) { 191 BeginPos = begin; 192 EndPos = end; 193 } 194 SetBeginPos(const CPVT_WordPlace & begin)195 void SetBeginPos(const CPVT_WordPlace& begin) { BeginPos = begin; } 196 SetEndPos(const CPVT_WordPlace & end)197 void SetEndPos(const CPVT_WordPlace& end) { EndPos = end; } 198 IsExist()199 FX_BOOL IsExist() const { return BeginPos != EndPos; } 200 201 FX_BOOL operator!=(const CPVT_WordRange& wr) const { 202 return wr.BeginPos != BeginPos || wr.EndPos != EndPos; 203 } 204 205 CPVT_WordPlace BeginPos, EndPos; 206 }; 207 208 /* ------------------------- CFX_Edit_Undo ---------------------------- */ 209 210 class CFX_Edit_Undo { 211 public: 212 explicit CFX_Edit_Undo(int32_t nBufsize); 213 virtual ~CFX_Edit_Undo(); 214 215 void Undo(); 216 void Redo(); 217 218 void AddItem(IFX_Edit_UndoItem* pItem); 219 220 FX_BOOL CanUndo() const; 221 FX_BOOL CanRedo() const; 222 FX_BOOL IsModified() const; 223 FX_BOOL IsWorking() const; 224 225 void Reset(); 226 227 IFX_Edit_UndoItem* GetItem(int32_t nIndex); GetItemCount()228 int32_t GetItemCount() { return m_UndoItemStack.GetSize(); } GetCurUndoPos()229 int32_t GetCurUndoPos() { return m_nCurUndoPos; } 230 231 private: SetBufSize(int32_t nSize)232 void SetBufSize(int32_t nSize) { m_nBufSize = nSize; } GetBufSize()233 int32_t GetBufSize() { return m_nBufSize; } 234 235 void RemoveHeads(); 236 void RemoveTails(); 237 238 private: 239 CFX_ArrayTemplate<IFX_Edit_UndoItem*> m_UndoItemStack; 240 241 int32_t m_nCurUndoPos; 242 int32_t m_nBufSize; 243 FX_BOOL m_bModified; 244 FX_BOOL m_bVirgin; 245 FX_BOOL m_bWorking; 246 }; 247 248 class CFX_Edit_UndoItem : public IFX_Edit_UndoItem { 249 public: CFX_Edit_UndoItem()250 CFX_Edit_UndoItem() : m_bFirst(TRUE), m_bLast(TRUE) {} ~CFX_Edit_UndoItem()251 ~CFX_Edit_UndoItem() override {} 252 GetUndoTitle()253 CFX_WideString GetUndoTitle() override { return L""; } 254 SetFirst(FX_BOOL bFirst)255 void SetFirst(FX_BOOL bFirst) { m_bFirst = bFirst; } IsFirst()256 FX_BOOL IsFirst() { return m_bFirst; } SetLast(FX_BOOL bLast)257 void SetLast(FX_BOOL bLast) { m_bLast = bLast; } IsLast()258 FX_BOOL IsLast() { return m_bLast; } 259 260 private: 261 FX_BOOL m_bFirst; 262 FX_BOOL m_bLast; 263 }; 264 265 class CFX_Edit_GroupUndoItem : public IFX_Edit_UndoItem { 266 public: 267 explicit CFX_Edit_GroupUndoItem(const CFX_WideString& sTitle); 268 ~CFX_Edit_GroupUndoItem() override; 269 270 void Undo() override; 271 void Redo() override; 272 CFX_WideString GetUndoTitle() override; 273 274 void AddUndoItem(CFX_Edit_UndoItem* pUndoItem); 275 void UpdateItems(); 276 277 private: 278 CFX_WideString m_sTitle; 279 CFX_ArrayTemplate<CFX_Edit_UndoItem*> m_Items; 280 }; 281 282 /* ------------------------- CFX_Edit_UndoItem derived classes 283 * ---------------------------- */ 284 285 class CFXEU_InsertWord : public CFX_Edit_UndoItem { 286 public: 287 CFXEU_InsertWord(CFX_Edit* pEdit, 288 const CPVT_WordPlace& wpOldPlace, 289 const CPVT_WordPlace& wpNewPlace, 290 FX_WORD word, 291 int32_t charset, 292 const CPVT_WordProps* pWordProps); 293 ~CFXEU_InsertWord() override; 294 295 // CFX_Edit_UndoItem 296 void Redo() override; 297 void Undo() override; 298 299 private: 300 CFX_Edit* m_pEdit; 301 302 CPVT_WordPlace m_wpOld; 303 CPVT_WordPlace m_wpNew; 304 FX_WORD m_Word; 305 int32_t m_nCharset; 306 CPVT_WordProps m_WordProps; 307 }; 308 309 class CFXEU_InsertReturn : public CFX_Edit_UndoItem { 310 public: 311 CFXEU_InsertReturn(CFX_Edit* pEdit, 312 const CPVT_WordPlace& wpOldPlace, 313 const CPVT_WordPlace& wpNewPlace, 314 const CPVT_SecProps* pSecProps, 315 const CPVT_WordProps* pWordProps); 316 ~CFXEU_InsertReturn() override; 317 318 // CFX_Edit_UndoItem 319 void Redo() override; 320 void Undo() override; 321 322 private: 323 CFX_Edit* m_pEdit; 324 325 CPVT_WordPlace m_wpOld; 326 CPVT_WordPlace m_wpNew; 327 CPVT_SecProps m_SecProps; 328 CPVT_WordProps m_WordProps; 329 }; 330 331 class CFXEU_Backspace : public CFX_Edit_UndoItem { 332 public: 333 CFXEU_Backspace(CFX_Edit* pEdit, 334 const CPVT_WordPlace& wpOldPlace, 335 const CPVT_WordPlace& wpNewPlace, 336 FX_WORD word, 337 int32_t charset, 338 const CPVT_SecProps& SecProps, 339 const CPVT_WordProps& WordProps); 340 ~CFXEU_Backspace() override; 341 342 // CFX_Edit_UndoItem 343 void Redo() override; 344 void Undo() override; 345 346 private: 347 CFX_Edit* m_pEdit; 348 349 CPVT_WordPlace m_wpOld; 350 CPVT_WordPlace m_wpNew; 351 FX_WORD m_Word; 352 int32_t m_nCharset; 353 CPVT_SecProps m_SecProps; 354 CPVT_WordProps m_WordProps; 355 }; 356 357 class CFXEU_Delete : public CFX_Edit_UndoItem { 358 public: 359 CFXEU_Delete(CFX_Edit* pEdit, 360 const CPVT_WordPlace& wpOldPlace, 361 const CPVT_WordPlace& wpNewPlace, 362 FX_WORD word, 363 int32_t charset, 364 const CPVT_SecProps& SecProps, 365 const CPVT_WordProps& WordProps, 366 FX_BOOL bSecEnd); 367 ~CFXEU_Delete() override; 368 369 // CFX_Edit_UndoItem 370 void Redo() override; 371 void Undo() override; 372 373 private: 374 CFX_Edit* m_pEdit; 375 376 CPVT_WordPlace m_wpOld; 377 CPVT_WordPlace m_wpNew; 378 FX_WORD m_Word; 379 int32_t m_nCharset; 380 CPVT_SecProps m_SecProps; 381 CPVT_WordProps m_WordProps; 382 FX_BOOL m_bSecEnd; 383 }; 384 385 class CFXEU_Clear : public CFX_Edit_UndoItem { 386 public: 387 CFXEU_Clear(CFX_Edit* pEdit, 388 const CPVT_WordRange& wrSel, 389 const CFX_WideString& swText); 390 ~CFXEU_Clear() override; 391 392 // CFX_Edit_UndoItem 393 void Redo() override; 394 void Undo() override; 395 396 private: 397 CFX_Edit* m_pEdit; 398 399 CPVT_WordRange m_wrSel; 400 CFX_WideString m_swText; 401 }; 402 403 class CFXEU_ClearRich : public CFX_Edit_UndoItem { 404 public: 405 CFXEU_ClearRich(CFX_Edit* pEdit, 406 const CPVT_WordPlace& wpOldPlace, 407 const CPVT_WordPlace& wpNewPlace, 408 const CPVT_WordRange& wrSel, 409 FX_WORD word, 410 int32_t charset, 411 const CPVT_SecProps& SecProps, 412 const CPVT_WordProps& WordProps); 413 ~CFXEU_ClearRich() override; 414 415 // CFX_Edit_UndoItem 416 void Redo() override; 417 void Undo() override; 418 419 private: 420 CFX_Edit* m_pEdit; 421 422 CPVT_WordPlace m_wpOld; 423 CPVT_WordPlace m_wpNew; 424 CPVT_WordRange m_wrSel; 425 FX_WORD m_Word; 426 int32_t m_nCharset; 427 CPVT_SecProps m_SecProps; 428 CPVT_WordProps m_WordProps; 429 }; 430 431 class CFXEU_InsertText : public CFX_Edit_UndoItem { 432 public: 433 CFXEU_InsertText(CFX_Edit* pEdit, 434 const CPVT_WordPlace& wpOldPlace, 435 const CPVT_WordPlace& wpNewPlace, 436 const CFX_WideString& swText, 437 int32_t charset, 438 const CPVT_SecProps* pSecProps, 439 const CPVT_WordProps* pWordProps); 440 ~CFXEU_InsertText() override; 441 442 // CFX_Edit_UndoItem 443 void Redo() override; 444 void Undo() override; 445 446 private: 447 CFX_Edit* m_pEdit; 448 449 CPVT_WordPlace m_wpOld; 450 CPVT_WordPlace m_wpNew; 451 CFX_WideString m_swText; 452 int32_t m_nCharset; 453 CPVT_SecProps m_SecProps; 454 CPVT_WordProps m_WordProps; 455 }; 456 457 class CFXEU_SetSecProps : public CFX_Edit_UndoItem { 458 public: 459 CFXEU_SetSecProps(CFX_Edit* pEdit, 460 const CPVT_WordPlace& place, 461 EDIT_PROPS_E ep, 462 const CPVT_SecProps& oldsecprops, 463 const CPVT_WordProps& oldwordprops, 464 const CPVT_SecProps& newsecprops, 465 const CPVT_WordProps& newwordprops, 466 const CPVT_WordRange& range); 467 ~CFXEU_SetSecProps() override; 468 469 // CFX_Edit_UndoItem 470 void Redo() override; 471 void Undo() override; 472 473 private: 474 CFX_Edit* m_pEdit; 475 CPVT_WordPlace m_wpPlace; 476 CPVT_WordRange m_wrPlace; 477 EDIT_PROPS_E m_eProps; 478 479 CPVT_SecProps m_OldSecProps; 480 CPVT_SecProps m_NewSecProps; 481 CPVT_WordProps m_OldWordProps; 482 CPVT_WordProps m_NewWordProps; 483 }; 484 485 class CFXEU_SetWordProps : public CFX_Edit_UndoItem { 486 public: 487 CFXEU_SetWordProps(CFX_Edit* pEdit, 488 const CPVT_WordPlace& place, 489 EDIT_PROPS_E ep, 490 const CPVT_WordProps& oldprops, 491 const CPVT_WordProps& newprops, 492 const CPVT_WordRange& range); 493 ~CFXEU_SetWordProps() override; 494 495 // CFX_Edit_UndoItem 496 void Redo() override; 497 void Undo() override; 498 499 private: 500 CFX_Edit* m_pEdit; 501 CPVT_WordPlace m_wpPlace; 502 CPVT_WordRange m_wrPlace; 503 EDIT_PROPS_E m_eProps; 504 505 CPVT_WordProps m_OldWordProps; 506 CPVT_WordProps m_NewWordProps; 507 }; 508 509 /* ------------------------- CFX_Edit ---------------------------- */ 510 511 class CFX_Edit : public IFX_Edit { 512 friend class CFX_Edit_Iterator; 513 friend class CFXEU_InsertWord; 514 friend class CFXEU_InsertReturn; 515 friend class CFXEU_Backspace; 516 friend class CFXEU_Delete; 517 friend class CFXEU_Clear; 518 friend class CFXEU_ClearRich; 519 friend class CFXEU_SetSecProps; 520 friend class CFXEU_SetWordProps; 521 friend class CFXEU_InsertText; 522 523 public: 524 explicit CFX_Edit(IPDF_VariableText* pVT); 525 ~CFX_Edit() override; 526 527 // IFX_Edit 528 void SetFontMap(IFX_Edit_FontMap* pFontMap) override; 529 void SetVTProvider(IPDF_VariableText_Provider* pProvider) override; 530 void SetNotify(IFX_Edit_Notify* pNotify) override; 531 void SetOprNotify(IFX_Edit_OprNotify* pOprNotify) override; 532 IFX_Edit_Iterator* GetIterator() override; 533 IPDF_VariableText* GetVariableText() override; 534 IFX_Edit_FontMap* GetFontMap() override; 535 void Initialize() override; 536 void SetPlateRect(const CPDF_Rect& rect, FX_BOOL bPaint = TRUE) override; 537 void SetScrollPos(const CPDF_Point& point) override; 538 void SetAlignmentH(int32_t nFormat = 0, FX_BOOL bPaint = TRUE) override; 539 void SetAlignmentV(int32_t nFormat = 0, FX_BOOL bPaint = TRUE) override; 540 void SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE) override; 541 void SetLimitChar(int32_t nLimitChar = 0, FX_BOOL bPaint = TRUE) override; 542 void SetCharArray(int32_t nCharArray = 0, FX_BOOL bPaint = TRUE) override; 543 void SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE) override; 544 void SetHorzScale(int32_t nHorzScale = 100, FX_BOOL bPaint = TRUE) override; 545 void SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE) override; 546 void SetMultiLine(FX_BOOL bMultiLine = TRUE, FX_BOOL bPaint = TRUE) override; 547 void SetAutoReturn(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) override; 548 void SetAutoFontSize(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) override; 549 void SetAutoScroll(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) override; 550 void SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE) override; 551 void SetTextOverflow(FX_BOOL bAllowed = FALSE, 552 FX_BOOL bPaint = TRUE) override; 553 FX_BOOL IsRichText() const override; 554 void SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE) override; 555 FX_BOOL SetRichFontSize(FX_FLOAT fFontSize) override; 556 FX_BOOL SetRichFontIndex(int32_t nFontIndex) override; 557 FX_BOOL SetRichTextColor(FX_COLORREF dwColor) override; 558 FX_BOOL SetRichTextScript(int32_t nScriptType) override; 559 FX_BOOL SetRichTextBold(FX_BOOL bBold = TRUE) override; 560 FX_BOOL SetRichTextItalic(FX_BOOL bItalic = TRUE) override; 561 FX_BOOL SetRichTextUnderline(FX_BOOL bUnderline = TRUE) override; 562 FX_BOOL SetRichTextCrossout(FX_BOOL bCrossout = TRUE) override; 563 FX_BOOL SetRichTextCharSpace(FX_FLOAT fCharSpace) override; 564 FX_BOOL SetRichTextHorzScale(int32_t nHorzScale = 100) override; 565 FX_BOOL SetRichTextLineLeading(FX_FLOAT fLineLeading) override; 566 FX_BOOL SetRichTextLineIndent(FX_FLOAT fLineIndent) override; 567 FX_BOOL SetRichTextAlignment(int32_t nAlignment) override; 568 void OnMouseDown(const CPDF_Point& point, 569 FX_BOOL bShift, 570 FX_BOOL bCtrl) override; 571 void OnMouseMove(const CPDF_Point& point, 572 FX_BOOL bShift, 573 FX_BOOL bCtrl) override; 574 void OnVK_UP(FX_BOOL bShift, FX_BOOL bCtrl) override; 575 void OnVK_DOWN(FX_BOOL bShift, FX_BOOL bCtrl) override; 576 void OnVK_LEFT(FX_BOOL bShift, FX_BOOL bCtrl) override; 577 void OnVK_RIGHT(FX_BOOL bShift, FX_BOOL bCtrl) override; 578 void OnVK_HOME(FX_BOOL bShift, FX_BOOL bCtrl) override; 579 void OnVK_END(FX_BOOL bShift, FX_BOOL bCtrl) override; 580 void SetText(const FX_WCHAR* text, 581 int32_t charset = DEFAULT_CHARSET, 582 const CPVT_SecProps* pSecProps = NULL, 583 const CPVT_WordProps* pWordProps = NULL) override; 584 FX_BOOL InsertWord(FX_WORD word, 585 int32_t charset = DEFAULT_CHARSET, 586 const CPVT_WordProps* pWordProps = NULL) override; 587 FX_BOOL InsertReturn(const CPVT_SecProps* pSecProps = NULL, 588 const CPVT_WordProps* pWordProps = NULL) override; 589 FX_BOOL Backspace() override; 590 FX_BOOL Delete() override; 591 FX_BOOL Clear() override; 592 FX_BOOL InsertText(const FX_WCHAR* text, 593 int32_t charset = DEFAULT_CHARSET, 594 const CPVT_SecProps* pSecProps = NULL, 595 const CPVT_WordProps* pWordProps = NULL) override; 596 FX_BOOL Redo() override; 597 FX_BOOL Undo() override; 598 int32_t WordPlaceToWordIndex(const CPVT_WordPlace& place) const override; 599 CPVT_WordPlace WordIndexToWordPlace(int32_t index) const override; 600 CPVT_WordPlace GetLineBeginPlace(const CPVT_WordPlace& place) const override; 601 CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace& place) const override; 602 CPVT_WordPlace GetSectionBeginPlace( 603 const CPVT_WordPlace& place) const override; 604 CPVT_WordPlace GetSectionEndPlace(const CPVT_WordPlace& place) const override; 605 CPVT_WordPlace SearchWordPlace(const CPDF_Point& point) const override; 606 int32_t GetCaret() const override; 607 CPVT_WordPlace GetCaretWordPlace() const override; 608 CFX_WideString GetSelText() const override; 609 CFX_WideString GetText() const override; 610 FX_FLOAT GetFontSize() const override; 611 FX_WORD GetPasswordChar() const override; 612 CPDF_Point GetScrollPos() const override; 613 int32_t GetCharArray() const override; 614 CPDF_Rect GetPlateRect() const override; 615 CPDF_Rect GetContentRect() const override; 616 CFX_WideString GetRangeText(const CPVT_WordRange& range) const override; 617 int32_t GetHorzScale() const override; 618 FX_FLOAT GetCharSpace() const override; 619 int32_t GetTotalWords() const override; 620 void SetSel(int32_t nStartChar, int32_t nEndChar) override; 621 void GetSel(int32_t& nStartChar, int32_t& nEndChar) const override; 622 void SelectAll() override; 623 void SelectNone() override; 624 FX_BOOL IsSelected() const override; 625 void Paint() override; 626 void EnableNotify(FX_BOOL bNotify) override; 627 void EnableRefresh(FX_BOOL bRefresh) override; 628 void RefreshWordRange(const CPVT_WordRange& wr) override; 629 void SetCaret(int32_t nPos) override; 630 CPVT_WordRange GetWholeWordRange() const override; 631 CPVT_WordRange GetSelectWordRange() const override; 632 void EnableUndo(FX_BOOL bUndo) override; 633 void EnableOprNotify(FX_BOOL bNotify) override; 634 FX_BOOL IsTextFull() const override; 635 FX_BOOL IsTextOverflow() const; 636 FX_BOOL CanUndo() const override; 637 FX_BOOL CanRedo() const override; 638 FX_BOOL IsModified() const override; 639 CPVT_WordRange GetVisibleWordRange() const override; 640 void AddUndoItem(IFX_Edit_UndoItem* pUndoItem) override; 641 642 FX_BOOL Empty(); 643 644 CPVT_WordPlace DoInsertText(const CPVT_WordPlace& place, 645 const FX_WCHAR* text, 646 int32_t charset, 647 const CPVT_SecProps* pSecProps, 648 const CPVT_WordProps* pWordProps); 649 int32_t GetCharSetFromUnicode(FX_WORD word, int32_t nOldCharset); 650 651 int32_t GetTotalLines() const; 652 653 private: 654 void SetSel(const CPVT_WordPlace& begin, const CPVT_WordPlace& end); 655 656 void RearrangeAll(); 657 void RearrangePart(const CPVT_WordRange& range); 658 void ScrollToCaret(); 659 void SetScrollInfo(); 660 void SetScrollPosX(FX_FLOAT fx); 661 void SetScrollPosY(FX_FLOAT fy); 662 void SetScrollLimit(); 663 void SetContentChanged(); 664 665 void SetText(const FX_WCHAR* text, 666 int32_t charset, 667 const CPVT_SecProps* pSecProps, 668 const CPVT_WordProps* pWordProps, 669 FX_BOOL bAddUndo, 670 FX_BOOL bPaint); 671 FX_BOOL InsertWord(FX_WORD word, 672 int32_t charset, 673 const CPVT_WordProps* pWordProps, 674 FX_BOOL bAddUndo, 675 FX_BOOL bPaint); 676 FX_BOOL InsertReturn(const CPVT_SecProps* pSecProps, 677 const CPVT_WordProps* pWordProps, 678 FX_BOOL bAddUndo, 679 FX_BOOL bPaint); 680 FX_BOOL Backspace(FX_BOOL bAddUndo, FX_BOOL bPaint); 681 FX_BOOL Delete(FX_BOOL bAddUndo, FX_BOOL bPaint); 682 FX_BOOL Clear(FX_BOOL bAddUndo, FX_BOOL bPaint); 683 FX_BOOL InsertText(const FX_WCHAR* text, 684 int32_t charset, 685 const CPVT_SecProps* pSecProps, 686 const CPVT_WordProps* pWordProps, 687 FX_BOOL bAddUndo, 688 FX_BOOL bPaint); 689 FX_BOOL SetRichTextProps(EDIT_PROPS_E eProps, 690 const CPVT_SecProps* pSecProps, 691 const CPVT_WordProps* pWordProps); 692 FX_BOOL SetSecProps(EDIT_PROPS_E eProps, 693 const CPVT_WordPlace& place, 694 const CPVT_SecProps* pSecProps, 695 const CPVT_WordProps* pWordProps, 696 const CPVT_WordRange& wr, 697 FX_BOOL bAddUndo); 698 FX_BOOL SetWordProps(EDIT_PROPS_E eProps, 699 const CPVT_WordPlace& place, 700 const CPVT_WordProps* pWordProps, 701 const CPVT_WordRange& wr, 702 FX_BOOL bAddUndo); 703 void PaintSetProps(EDIT_PROPS_E eProps, const CPVT_WordRange& wr); 704 void PaintInsertText(const CPVT_WordPlace& wpOld, 705 const CPVT_WordPlace& wpNew); 706 707 inline CPDF_Point VTToEdit(const CPDF_Point& point) const; 708 inline CPDF_Point EditToVT(const CPDF_Point& point) const; 709 inline CPDF_Rect VTToEdit(const CPDF_Rect& rect) const; 710 inline CPDF_Rect EditToVT(const CPDF_Rect& rect) const; 711 712 void Refresh(REFRESH_PLAN_E ePlan, 713 const CPVT_WordRange* pRange1 = NULL, 714 const CPVT_WordRange* pRange2 = NULL); 715 void RefreshPushLineRects(const CPVT_WordRange& wr); 716 void RefreshPushRandomRects(const CPVT_WordRange& wr); 717 718 void SetCaret(const CPVT_WordPlace& place); 719 void SetCaretInfo(); 720 void SetCaretOrigin(); 721 void SetCaretChange(); 722 723 CPVT_WordRange GetLatinWordsRange(const CPVT_WordPlace& place) const; 724 CPVT_WordRange CombineWordRange(const CPVT_WordRange& wr1, 725 const CPVT_WordRange& wr2); 726 727 728 void BeginGroupUndo(const CFX_WideString& sTitle); 729 void EndGroupUndo(); 730 void AddEditUndoItem(CFX_Edit_UndoItem* pEditUndoItem); 731 732 void SetPageInfo(const CPVT_WordPlace& place); 733 CPVT_WordPlace SearchPageEndPlace(const CPVT_WordPlace& wpPageBegin, 734 const CPDF_Point& point) const; 735 FX_FLOAT GetLineTop(const CPVT_WordPlace& place) const; 736 FX_FLOAT GetLineBottom(const CPVT_WordPlace& place) const; 737 738 private: 739 IPDF_VariableText* m_pVT; 740 IFX_Edit_Notify* m_pNotify; 741 IFX_Edit_OprNotify* m_pOprNotify; 742 CFX_Edit_Provider* m_pVTProvide; 743 744 CPVT_WordPlace m_wpCaret; 745 CPVT_WordPlace m_wpOldCaret; 746 CFX_Edit_Select m_SelState; 747 748 CPDF_Point m_ptScrollPos; 749 CPDF_Point m_ptRefreshScrollPos; 750 FX_BOOL m_bEnableScroll; 751 IFX_Edit_Iterator* m_pIterator; 752 CFX_Edit_Refresh m_Refresh; 753 CPDF_Point m_ptCaret; 754 CFX_Edit_Undo m_Undo; 755 int32_t m_nAlignment; 756 FX_BOOL m_bNotifyFlag; 757 FX_BOOL m_bEnableOverflow; 758 FX_BOOL m_bEnableRefresh; 759 CPDF_Rect m_rcOldContent; 760 FX_BOOL m_bEnableUndo; 761 FX_BOOL m_bNotify; 762 FX_BOOL m_bOprNotify; 763 CFX_Edit_GroupUndoItem* m_pGroupUndoItem; 764 }; 765 766 /* ------------------------- CFX_Edit_Iterator ---------------------------- */ 767 768 class CFX_Edit_Iterator : public IFX_Edit_Iterator { 769 public: 770 CFX_Edit_Iterator(CFX_Edit* pEdit, IPDF_VariableText_Iterator* pVTIterator); 771 ~CFX_Edit_Iterator() override; 772 773 // IFX_Edit_Iterator 774 FX_BOOL NextWord() override; 775 FX_BOOL NextLine() override; 776 FX_BOOL NextSection() override; 777 FX_BOOL PrevWord() override; 778 FX_BOOL PrevLine() override; 779 FX_BOOL PrevSection() override; 780 FX_BOOL GetWord(CPVT_Word& word) const override; 781 FX_BOOL GetLine(CPVT_Line& line) const override; 782 FX_BOOL GetSection(CPVT_Section& section) const override; 783 void SetAt(int32_t nWordIndex) override; 784 void SetAt(const CPVT_WordPlace& place) override; 785 const CPVT_WordPlace& GetAt() const override; 786 IFX_Edit* GetEdit() const override; 787 788 private: 789 CFX_Edit* m_pEdit; 790 IPDF_VariableText_Iterator* m_pVTIterator; 791 }; 792 793 class CFX_Edit_Provider : public IPDF_VariableText_Provider { 794 public: 795 explicit CFX_Edit_Provider(IFX_Edit_FontMap* pFontMap); 796 ~CFX_Edit_Provider() override; 797 798 IFX_Edit_FontMap* GetFontMap(); 799 800 // IPDF_VariableText_Provider: 801 int32_t GetCharWidth(int32_t nFontIndex, 802 FX_WORD word, 803 int32_t nWordStyle) override; 804 int32_t GetTypeAscent(int32_t nFontIndex) override; 805 int32_t GetTypeDescent(int32_t nFontIndex) override; 806 int32_t GetWordFontIndex(FX_WORD word, 807 int32_t charset, 808 int32_t nFontIndex) override; 809 int32_t GetDefaultFontIndex() override; 810 FX_BOOL IsLatinWord(FX_WORD word) override; 811 812 private: 813 IFX_Edit_FontMap* m_pFontMap; 814 }; 815 816 #endif // FPDFSDK_INCLUDE_FXEDIT_FXET_EDIT_H_ 817