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 "fx_edit.h" 12 13 class CFX_Edit_Page; 14 struct CFX_Edit_LineRect; 15 class CFX_Edit_LineRectArray; 16 class CFX_Edit_RectArray; 17 class CFX_Edit_Refresh; 18 class CFX_Edit_Select; 19 class CFX_Edit; 20 class CFX_Edit_Iterator; 21 class CFX_Edit_Refresh; 22 class CFX_Edit_UndoItem; 23 class CFX_Edit_Undo; 24 class CFX_Edit_Provider; 25 26 #define FX_EDIT_IsFloatZero(f) (f < 0.0001 && f > -0.0001) 27 #define FX_EDIT_IsFloatEqual(fa,fb) FX_EDIT_IsFloatZero(fa - fb) 28 #define FX_EDIT_IsFloatBigger(fa,fb) (fa > fb && !FX_EDIT_IsFloatEqual(fa,fb)) 29 #define FX_EDIT_IsFloatSmaller(fa,fb) (fa < fb && !FX_EDIT_IsFloatEqual(fa,fb)) 30 31 template<class T> T FX_EDIT_MIN (const T & i, const T & j) { return ((i < j) ? i : j); } 32 template<class T> T FX_EDIT_MAX (const T & i, const T & j) { return ((i > j) ? i : j); } 33 34 #define FX_EDIT_PI 3.14159265358979f 35 #define FX_EDIT_ITALIC_ANGEL 10 * FX_EDIT_PI / 180.0f 36 37 38 /* ------------------------- CFX_Edit_Refresh ---------------------------- */ 39 40 enum REFRESH_PLAN_E 41 { 42 RP_ANALYSE, 43 RP_NOANALYSE, 44 RP_OPTIONAL 45 }; 46 47 enum EDIT_PROPS_E 48 { 49 EP_LINELEADING, 50 EP_LINEINDENT, 51 EP_ALIGNMENT, 52 EP_FONTINDEX, 53 EP_FONTSIZE, 54 EP_WORDCOLOR, 55 EP_SCRIPTTYPE, 56 EP_UNDERLINE, 57 EP_CROSSOUT, 58 EP_CHARSPACE, 59 EP_HORZSCALE, 60 EP_BOLD, 61 EP_ITALIC 62 }; 63 64 struct CFX_Edit_LineRect 65 { 66 CFX_Edit_LineRect(const CPVT_WordRange & wrLine,const CPDF_Rect & rcLine) : 67 m_wrLine(wrLine), m_rcLine(rcLine) 68 { 69 } 70 71 FX_BOOL operator != (const CFX_Edit_LineRect & linerect) const 72 { 73 return FXSYS_memcmp(this, &linerect, sizeof(CFX_Edit_LineRect)) != 0; 74 } 75 76 FX_BOOL IsSameHeight(const CFX_Edit_LineRect & linerect) const 77 { 78 return FX_EDIT_IsFloatZero((m_rcLine.top - m_rcLine.bottom) - (linerect.m_rcLine.top -linerect.m_rcLine.bottom)); 79 } 80 81 FX_BOOL IsSameTop(const CFX_Edit_LineRect & linerect) const 82 { 83 return FX_EDIT_IsFloatZero(m_rcLine.top - linerect.m_rcLine.top); 84 } 85 86 FX_BOOL IsSameLeft(const CFX_Edit_LineRect & linerect) const 87 { 88 return FX_EDIT_IsFloatZero(m_rcLine.left - linerect.m_rcLine.left); 89 } 90 91 FX_BOOL IsSameRight(const CFX_Edit_LineRect & linerect) const 92 { 93 return FX_EDIT_IsFloatZero(m_rcLine.right - linerect.m_rcLine.right); 94 } 95 96 CPVT_WordRange m_wrLine; 97 CPDF_Rect m_rcLine; 98 }; 99 100 class CFX_Edit_LineRectArray 101 { 102 public: 103 CFX_Edit_LineRectArray() 104 { 105 } 106 107 virtual ~CFX_Edit_LineRectArray() 108 { 109 Empty(); 110 } 111 112 void Empty() 113 { 114 for (FX_INT32 i = 0, sz = m_LineRects.GetSize(); i < sz; i++) 115 delete m_LineRects.GetAt(i); 116 117 m_LineRects.RemoveAll(); 118 } 119 120 void RemoveAll() 121 { 122 m_LineRects.RemoveAll(); 123 } 124 125 void operator = (CFX_Edit_LineRectArray & rects) 126 { 127 Empty(); 128 for (FX_INT32 i = 0, sz = rects.GetSize(); i < sz; i++) 129 m_LineRects.Add(rects.GetAt(i)); 130 131 rects.RemoveAll(); 132 } 133 134 void Add(const CPVT_WordRange & wrLine,const CPDF_Rect & rcLine) 135 { 136 if (CFX_Edit_LineRect * pRect = new CFX_Edit_LineRect(wrLine,rcLine)) 137 m_LineRects.Add(pRect); 138 } 139 140 FX_INT32 GetSize() const 141 { 142 return m_LineRects.GetSize(); 143 } 144 145 CFX_Edit_LineRect * GetAt(FX_INT32 nIndex) const 146 { 147 if (nIndex < 0 || nIndex >= m_LineRects.GetSize()) 148 return NULL; 149 150 return m_LineRects.GetAt(nIndex); 151 } 152 153 CFX_ArrayTemplate<CFX_Edit_LineRect*> m_LineRects; 154 }; 155 156 class CFX_Edit_RectArray 157 { 158 public: 159 CFX_Edit_RectArray() 160 { 161 } 162 163 virtual ~CFX_Edit_RectArray() 164 { 165 this->Empty(); 166 } 167 168 void Empty() 169 { 170 for (FX_INT32 i = 0, sz = m_Rects.GetSize(); i < sz; i++) 171 delete m_Rects.GetAt(i); 172 173 this->m_Rects.RemoveAll(); 174 } 175 176 void Add(const CPDF_Rect & rect) 177 { 178 //check for overlaped area 179 for (FX_INT32 i = 0, sz = m_Rects.GetSize(); i < sz; i++) 180 if (CPDF_Rect * pRect = m_Rects.GetAt(i)) 181 if (pRect->Contains(rect))return; 182 183 if (CPDF_Rect * pNewRect = new CPDF_Rect(rect)) 184 m_Rects.Add(pNewRect); 185 } 186 187 FX_INT32 GetSize() const 188 { 189 return m_Rects.GetSize(); 190 } 191 192 CPDF_Rect * GetAt(FX_INT32 nIndex) const 193 { 194 if (nIndex < 0 || nIndex >= m_Rects.GetSize()) 195 return NULL; 196 197 return m_Rects.GetAt(nIndex); 198 } 199 200 CFX_ArrayTemplate<CPDF_Rect*> m_Rects; 201 }; 202 203 class CFX_Edit_Refresh 204 { 205 public: 206 CFX_Edit_Refresh(); 207 virtual ~CFX_Edit_Refresh(); 208 209 void BeginRefresh(); 210 void Push(const CPVT_WordRange & linerange,const CPDF_Rect & rect); 211 void NoAnalyse(); 212 void Analyse(FX_INT32 nAlignment); 213 void AddRefresh(const CPDF_Rect & rect); 214 const CFX_Edit_RectArray * GetRefreshRects() const; 215 void EndRefresh(); 216 217 private: 218 CFX_Edit_LineRectArray m_NewLineRects; 219 CFX_Edit_LineRectArray m_OldLineRects; 220 CFX_Edit_RectArray m_RefreshRects; 221 }; 222 223 224 /* ------------------------- CFX_Edit_Select ---------------------------- */ 225 226 class CFX_Edit_Select 227 { 228 public: 229 CFX_Edit_Select() 230 { 231 } 232 233 CFX_Edit_Select(const CPVT_WordPlace & begin,const CPVT_WordPlace & end) 234 { 235 Set(begin,end); 236 } 237 238 CFX_Edit_Select(const CPVT_WordRange & range) 239 { 240 Set(range.BeginPos,range.EndPos); 241 } 242 243 CPVT_WordRange ConvertToWordRange() const 244 { 245 return CPVT_WordRange(this->BeginPos,this->EndPos); 246 } 247 248 void Default() 249 { 250 BeginPos.Default(); 251 EndPos.Default(); 252 } 253 254 void Set(const CPVT_WordPlace & begin,const CPVT_WordPlace & end) 255 { 256 this->BeginPos = begin; 257 this->EndPos = end; 258 } 259 260 void SetBeginPos(const CPVT_WordPlace & begin) 261 { 262 this->BeginPos = begin; 263 } 264 265 void SetEndPos(const CPVT_WordPlace & end) 266 { 267 this->EndPos = end; 268 } 269 270 FX_BOOL IsExist() const 271 { 272 return this->BeginPos != this->EndPos; 273 } 274 275 FX_BOOL operator != (const CPVT_WordRange & wr) const 276 { 277 return wr.BeginPos != this->BeginPos || wr.EndPos != this->EndPos; 278 } 279 280 CPVT_WordPlace BeginPos,EndPos; 281 }; 282 283 /* ------------------------- CFX_Edit_Undo ---------------------------- */ 284 285 class CFX_Edit_Undo 286 { 287 public: 288 CFX_Edit_Undo(FX_INT32 nBufsize = 10000); 289 virtual ~CFX_Edit_Undo(); 290 291 void Undo(); 292 void Redo(); 293 294 void AddItem(IFX_Edit_UndoItem* pItem); 295 296 FX_BOOL CanUndo() const; 297 FX_BOOL CanRedo() const; 298 FX_BOOL IsModified() const; 299 FX_BOOL IsWorking() const; 300 301 void Reset(); 302 303 IFX_Edit_UndoItem* GetItem(FX_INT32 nIndex); 304 FX_INT32 GetItemCount(){return m_UndoItemStack.GetSize();} 305 FX_INT32 GetCurUndoPos(){return m_nCurUndoPos;} 306 307 private: 308 void SetBufSize(FX_INT32 nSize){m_nBufSize = nSize;} 309 FX_INT32 GetBufSize(){return m_nBufSize;} 310 311 void RemoveHeads(); 312 void RemoveTails(); 313 314 private: 315 CFX_ArrayTemplate<IFX_Edit_UndoItem*> m_UndoItemStack; 316 317 FX_INT32 m_nCurUndoPos; 318 FX_INT32 m_nBufSize; 319 FX_BOOL m_bModified; 320 FX_BOOL m_bVirgin; 321 FX_BOOL m_bWorking; 322 }; 323 324 class CFX_Edit_UndoItem : public IFX_Edit_UndoItem 325 { 326 public: 327 CFX_Edit_UndoItem() : m_bFirst(TRUE), m_bLast(TRUE) {} 328 329 CFX_WideString GetUndoTitle() override { return L""; } 330 331 void SetFirst(FX_BOOL bFirst){m_bFirst = bFirst;} 332 FX_BOOL IsFirst(){return m_bFirst;} 333 void SetLast(FX_BOOL bLast){m_bLast = bLast;} 334 FX_BOOL IsLast(){return m_bLast;} 335 336 private: 337 FX_BOOL m_bFirst; 338 FX_BOOL m_bLast; 339 }; 340 341 class CFX_Edit_GroupUndoItem : public IFX_Edit_UndoItem 342 { 343 public: 344 CFX_Edit_GroupUndoItem(const CFX_WideString& sTitle); 345 ~CFX_Edit_GroupUndoItem() override; 346 347 void Undo() override; 348 void Redo() override; 349 CFX_WideString GetUndoTitle() override; 350 351 void AddUndoItem(CFX_Edit_UndoItem* pUndoItem); 352 void UpdateItems(); 353 354 private: 355 CFX_WideString m_sTitle; 356 CFX_ArrayTemplate<CFX_Edit_UndoItem*> m_Items; 357 }; 358 359 /* ------------------------- CFX_Edit_UndoItem derived classes ---------------------------- */ 360 361 class CFXEU_InsertWord : public CFX_Edit_UndoItem 362 { 363 public: 364 CFXEU_InsertWord(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 365 FX_WORD word, FX_INT32 charset, const CPVT_WordProps * pWordProps); 366 virtual ~CFXEU_InsertWord(); 367 368 void Redo(); 369 void Undo(); 370 371 private: 372 CFX_Edit* m_pEdit; 373 374 CPVT_WordPlace m_wpOld; 375 CPVT_WordPlace m_wpNew; 376 FX_WORD m_Word; 377 FX_INT32 m_nCharset; 378 CPVT_WordProps m_WordProps; 379 }; 380 381 class CFXEU_InsertReturn : public CFX_Edit_UndoItem 382 { 383 public: 384 CFXEU_InsertReturn(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 385 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps); 386 virtual ~CFXEU_InsertReturn(); 387 388 void Redo(); 389 void Undo(); 390 391 private: 392 CFX_Edit * m_pEdit; 393 394 CPVT_WordPlace m_wpOld; 395 CPVT_WordPlace m_wpNew; 396 CPVT_SecProps m_SecProps; 397 CPVT_WordProps m_WordProps; 398 }; 399 400 class CFXEU_Backspace : public CFX_Edit_UndoItem 401 { 402 public: 403 CFXEU_Backspace(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 404 FX_WORD word, FX_INT32 charset, 405 const CPVT_SecProps & SecProps, const CPVT_WordProps & WordProps); 406 virtual ~CFXEU_Backspace(); 407 408 void Redo(); 409 void Undo(); 410 411 private: 412 CFX_Edit * m_pEdit; 413 414 CPVT_WordPlace m_wpOld; 415 CPVT_WordPlace m_wpNew; 416 FX_WORD m_Word; 417 FX_INT32 m_nCharset; 418 CPVT_SecProps m_SecProps; 419 CPVT_WordProps m_WordProps; 420 }; 421 422 class CFXEU_Delete : public CFX_Edit_UndoItem 423 { 424 public: 425 CFXEU_Delete(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 426 FX_WORD word, FX_INT32 charset, 427 const CPVT_SecProps & SecProps, const CPVT_WordProps & WordProps, FX_BOOL bSecEnd); 428 virtual ~CFXEU_Delete(); 429 430 void Redo(); 431 void Undo(); 432 433 private: 434 CFX_Edit * m_pEdit; 435 436 CPVT_WordPlace m_wpOld; 437 CPVT_WordPlace m_wpNew; 438 FX_WORD m_Word; 439 FX_INT32 m_nCharset; 440 CPVT_SecProps m_SecProps; 441 CPVT_WordProps m_WordProps; 442 FX_BOOL m_bSecEnd; 443 }; 444 445 class CFXEU_Clear : public CFX_Edit_UndoItem 446 { 447 public: 448 CFXEU_Clear(CFX_Edit * pEdit, const CPVT_WordRange & wrSel, const CFX_WideString & swText); 449 virtual ~CFXEU_Clear(); 450 451 void Redo(); 452 void Undo(); 453 454 private: 455 CFX_Edit* m_pEdit; 456 457 CPVT_WordRange m_wrSel; 458 CFX_WideString m_swText; 459 }; 460 461 class CFXEU_ClearRich : public CFX_Edit_UndoItem 462 { 463 public: 464 CFXEU_ClearRich(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 465 const CPVT_WordRange & wrSel, 466 FX_WORD word, FX_INT32 charset, 467 const CPVT_SecProps & SecProps, const CPVT_WordProps & WordProps); 468 virtual ~CFXEU_ClearRich(); 469 470 void Redo(); 471 void Undo(); 472 473 private: 474 CFX_Edit * m_pEdit; 475 476 CPVT_WordPlace m_wpOld; 477 CPVT_WordPlace m_wpNew; 478 CPVT_WordRange m_wrSel; 479 FX_WORD m_Word; 480 FX_INT32 m_nCharset; 481 CPVT_SecProps m_SecProps; 482 CPVT_WordProps m_WordProps; 483 }; 484 485 class CFXEU_InsertText : public CFX_Edit_UndoItem 486 { 487 public: 488 CFXEU_InsertText(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 489 const CFX_WideString & swText, FX_INT32 charset, 490 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps); 491 virtual ~CFXEU_InsertText(); 492 493 void Redo(); 494 void Undo(); 495 496 private: 497 CFX_Edit * m_pEdit; 498 499 CPVT_WordPlace m_wpOld; 500 CPVT_WordPlace m_wpNew; 501 CFX_WideString m_swText; 502 FX_INT32 m_nCharset; 503 CPVT_SecProps m_SecProps; 504 CPVT_WordProps m_WordProps; 505 }; 506 507 class CFXEU_SetSecProps : public CFX_Edit_UndoItem 508 { 509 public: 510 CFXEU_SetSecProps(CFX_Edit * pEdit, const CPVT_WordPlace & place, EDIT_PROPS_E ep, 511 const CPVT_SecProps & oldsecprops, const CPVT_WordProps & oldwordprops, 512 const CPVT_SecProps & newsecprops, const CPVT_WordProps & newwordprops, const CPVT_WordRange & range); 513 virtual ~CFXEU_SetSecProps(); 514 515 void Redo(); 516 void Undo(); 517 518 private: 519 CFX_Edit * m_pEdit; 520 CPVT_WordPlace m_wpPlace; 521 CPVT_WordRange m_wrPlace; 522 EDIT_PROPS_E m_eProps; 523 524 CPVT_SecProps m_OldSecProps; 525 CPVT_SecProps m_NewSecProps; 526 CPVT_WordProps m_OldWordProps; 527 CPVT_WordProps m_NewWordProps; 528 }; 529 530 class CFXEU_SetWordProps : public CFX_Edit_UndoItem 531 { 532 public: 533 CFXEU_SetWordProps(CFX_Edit * pEdit, const CPVT_WordPlace & place, EDIT_PROPS_E ep, 534 const CPVT_WordProps & oldprops, const CPVT_WordProps & newprops, const CPVT_WordRange & range); 535 virtual ~CFXEU_SetWordProps(); 536 537 void Redo(); 538 void Undo(); 539 540 private: 541 CFX_Edit * m_pEdit; 542 CPVT_WordPlace m_wpPlace; 543 CPVT_WordRange m_wrPlace; 544 EDIT_PROPS_E m_eProps; 545 546 CPVT_WordProps m_OldWordProps; 547 CPVT_WordProps m_NewWordProps; 548 }; 549 550 /* ------------------------- CFX_Edit ---------------------------- */ 551 552 class CFX_Edit : public IFX_Edit 553 { 554 friend class CFX_Edit_Iterator; 555 friend class CFXEU_InsertWord; 556 friend class CFXEU_InsertReturn; 557 friend class CFXEU_Backspace; 558 friend class CFXEU_Delete; 559 friend class CFXEU_Clear; 560 friend class CFXEU_ClearRich; 561 friend class CFXEU_SetSecProps; 562 friend class CFXEU_SetWordProps; 563 friend class CFXEU_InsertText; 564 565 public: 566 CFX_Edit(IPDF_VariableText * pVT); 567 virtual ~CFX_Edit(); 568 569 void SetFontMap(IFX_Edit_FontMap * pFontMap); 570 void SetVTProvider(IPDF_VariableText_Provider* pProvider); 571 void SetNotify(IFX_Edit_Notify * pNotify); 572 void SetOprNotify(IFX_Edit_OprNotify* pOprNotify); 573 IFX_Edit_Iterator* GetIterator(); 574 IPDF_VariableText * GetVariableText(); 575 IFX_Edit_FontMap* GetFontMap(); 576 577 void Initialize(); 578 void SetPlateRect(const CPDF_Rect & rect, FX_BOOL bPaint = TRUE); 579 void SetScrollPos(const CPDF_Point & point); 580 581 void SetAlignmentH(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE); 582 void SetAlignmentV(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE); 583 void SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE); 584 void SetLimitChar(FX_INT32 nLimitChar = 0, FX_BOOL bPaint = TRUE); 585 void SetCharArray(FX_INT32 nCharArray = 0, FX_BOOL bPaint = TRUE); 586 void SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE); 587 void SetHorzScale(FX_INT32 nHorzScale = 100, FX_BOOL bPaint = TRUE); 588 void SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE); 589 void SetMultiLine(FX_BOOL bMultiLine = TRUE, FX_BOOL bPaint = TRUE); 590 void SetAutoReturn(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE); 591 void SetAutoFontSize(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE); 592 void SetAutoScroll(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE); 593 void SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE); 594 void SetTextOverflow(FX_BOOL bAllowed = FALSE, FX_BOOL bPaint = TRUE); 595 596 FX_BOOL IsRichText() const; 597 void SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE); 598 FX_BOOL SetRichFontSize(FX_FLOAT fFontSize); 599 FX_BOOL SetRichFontIndex(FX_INT32 nFontIndex); 600 FX_BOOL SetRichTextColor(FX_COLORREF dwColor); 601 FX_BOOL SetRichTextScript(FX_INT32 nScriptType); 602 FX_BOOL SetRichTextBold(FX_BOOL bBold = TRUE); 603 FX_BOOL SetRichTextItalic(FX_BOOL bItalic = TRUE); 604 FX_BOOL SetRichTextUnderline(FX_BOOL bUnderline = TRUE); 605 FX_BOOL SetRichTextCrossout(FX_BOOL bCrossout = TRUE); 606 FX_BOOL SetRichTextCharSpace(FX_FLOAT fCharSpace); 607 FX_BOOL SetRichTextHorzScale(FX_INT32 nHorzScale = 100); 608 FX_BOOL SetRichTextLineLeading(FX_FLOAT fLineLeading); 609 FX_BOOL SetRichTextLineIndent(FX_FLOAT fLineIndent); 610 FX_BOOL SetRichTextAlignment(FX_INT32 nAlignment); 611 612 void OnMouseDown(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl); 613 void OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl); 614 void OnVK_UP(FX_BOOL bShift,FX_BOOL bCtrl); 615 void OnVK_DOWN(FX_BOOL bShift,FX_BOOL bCtrl); 616 void OnVK_LEFT(FX_BOOL bShift,FX_BOOL bCtrl); 617 void OnVK_RIGHT(FX_BOOL bShift,FX_BOOL bCtrl); 618 void OnVK_HOME(FX_BOOL bShift,FX_BOOL bCtrl); 619 void OnVK_END(FX_BOOL bShift,FX_BOOL bCtrl); 620 621 void SetText(FX_LPCWSTR text,FX_INT32 charset = DEFAULT_CHARSET, 622 const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL); 623 FX_BOOL InsertWord(FX_WORD word, FX_INT32 charset = DEFAULT_CHARSET, const CPVT_WordProps * pWordProps = NULL); 624 FX_BOOL InsertReturn(const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL); 625 FX_BOOL Backspace(); 626 FX_BOOL Delete(); 627 FX_BOOL Clear(); 628 FX_BOOL Empty(); 629 FX_BOOL InsertText(FX_LPCWSTR text, FX_INT32 charset = DEFAULT_CHARSET, 630 const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL); 631 FX_BOOL Redo(); 632 FX_BOOL Undo(); 633 CPVT_WordPlace DoInsertText(const CPVT_WordPlace& place, FX_LPCWSTR text, FX_INT32 charset, 634 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps); 635 FX_INT32 GetCharSetFromUnicode(FX_WORD word, FX_INT32 nOldCharset); 636 637 FX_INT32 WordPlaceToWordIndex(const CPVT_WordPlace & place) const; 638 CPVT_WordPlace WordIndexToWordPlace(FX_INT32 index) const; 639 640 CPVT_WordPlace GetLineBeginPlace(const CPVT_WordPlace & place) const; 641 CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace & place) const; 642 CPVT_WordPlace GetSectionBeginPlace(const CPVT_WordPlace & place) const; 643 CPVT_WordPlace GetSectionEndPlace(const CPVT_WordPlace & place) const; 644 CPVT_WordPlace SearchWordPlace(const CPDF_Point& point) const; 645 646 FX_INT32 GetCaret() const; 647 CPVT_WordPlace GetCaretWordPlace() const; 648 CFX_WideString GetSelText() const; 649 CFX_WideString GetText() const; 650 FX_FLOAT GetFontSize() const; 651 FX_WORD GetPasswordChar() const; 652 CPDF_Point GetScrollPos() const; 653 FX_INT32 GetCharArray() const; 654 CPDF_Rect GetPlateRect() const; 655 CPDF_Rect GetContentRect() const; 656 CFX_WideString GetRangeText(const CPVT_WordRange & range) const; 657 FX_INT32 GetHorzScale() const; 658 FX_FLOAT GetCharSpace() const; 659 FX_INT32 GetTotalWords() const; 660 FX_INT32 GetTotalLines() const; 661 662 void SetSel(FX_INT32 nStartChar,FX_INT32 nEndChar); 663 void GetSel(FX_INT32 & nStartChar, FX_INT32 & nEndChar) const; 664 665 private: 666 void SelectAll(); 667 void SelectNone(); 668 void SetSel(const CPVT_WordPlace & begin,const CPVT_WordPlace & end); 669 FX_BOOL IsSelected() const; 670 671 void RearrangeAll(); 672 void RearrangePart(const CPVT_WordRange & range); 673 void Paint(); 674 void ScrollToCaret(); 675 void SetScrollInfo(); 676 void SetScrollPosX(FX_FLOAT fx); 677 void SetScrollPosY(FX_FLOAT fy); 678 void SetScrollLimit(); 679 void SetContentChanged(); 680 void EnableNotify(FX_BOOL bNotify); 681 682 void SetText(FX_LPCWSTR text,FX_INT32 charset, 683 const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint); 684 FX_BOOL InsertWord(FX_WORD word, FX_INT32 charset, const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint); 685 FX_BOOL InsertReturn(const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint); 686 FX_BOOL Backspace(FX_BOOL bAddUndo, FX_BOOL bPaint); 687 FX_BOOL Delete(FX_BOOL bAddUndo, FX_BOOL bPaint); 688 FX_BOOL Clear(FX_BOOL bAddUndo, FX_BOOL bPaint); 689 FX_BOOL InsertText(FX_LPCWSTR text, FX_INT32 charset, 690 const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint); 691 FX_BOOL SetRichTextProps(EDIT_PROPS_E eProps, 692 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps); 693 FX_BOOL SetSecProps(EDIT_PROPS_E eProps, const CPVT_WordPlace & place, 694 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps, const CPVT_WordRange & wr, FX_BOOL bAddUndo); 695 FX_BOOL SetWordProps(EDIT_PROPS_E eProps, const CPVT_WordPlace & place, 696 const CPVT_WordProps * pWordProps, const CPVT_WordRange & wr, FX_BOOL bAddUndo); 697 void PaintSetProps(EDIT_PROPS_E eProps, const CPVT_WordRange & wr); 698 void PaintInsertText(const CPVT_WordPlace & wpOld, const CPVT_WordPlace & wpNew); 699 700 inline CPDF_Point VTToEdit(const CPDF_Point & point) const; 701 inline CPDF_Point EditToVT(const CPDF_Point & point) const; 702 inline CPDF_Rect VTToEdit(const CPDF_Rect & rect) const; 703 inline CPDF_Rect EditToVT(const CPDF_Rect & rect) const; 704 705 void EnableRefresh(FX_BOOL bRefresh); 706 void Refresh(REFRESH_PLAN_E ePlan,const CPVT_WordRange * pRange1 = NULL,const CPVT_WordRange * pRange2 = NULL); 707 void RefreshPushLineRects(const CPVT_WordRange & wr); 708 void RefreshPushRandomRects(const CPVT_WordRange & wr); 709 void RefreshWordRange(const CPVT_WordRange& wr); 710 711 void SetCaret(FX_INT32 nPos); 712 void SetCaret(const CPVT_WordPlace & place); 713 void SetCaretInfo(); 714 void SetCaretOrigin(); 715 void SetCaretChange(); 716 717 CPVT_WordRange GetWholeWordRange() const; 718 CPVT_WordRange GetVisibleWordRange() const; 719 CPVT_WordRange GetLatinWordsRange(const CPVT_WordPlace & place) const; 720 CPVT_WordRange CombineWordRange(const CPVT_WordRange & wr1, const CPVT_WordRange & wr2); 721 CPVT_WordRange GetSelectWordRange() const; 722 723 void EnableUndo(FX_BOOL bUndo); 724 void EnableOprNotify(FX_BOOL bNotify); 725 726 FX_BOOL IsTextFull() const; 727 FX_BOOL IsTextOverflow() const; 728 FX_BOOL CanUndo() const; 729 FX_BOOL CanRedo() const; 730 FX_BOOL IsModified() const; 731 732 void BeginGroupUndo(const CFX_WideString& sTitle); 733 void EndGroupUndo(); 734 void AddEditUndoItem(CFX_Edit_UndoItem* pEditUndoItem); 735 void AddUndoItem(IFX_Edit_UndoItem* pUndoItem); 736 737 void SetPageInfo(const CPVT_WordPlace& place); 738 CPVT_WordPlace SearchPageEndPlace(const CPVT_WordPlace& wpPageBegin, const CPDF_Point& point) const; 739 FX_FLOAT GetLineTop(const CPVT_WordPlace& place) const; 740 FX_FLOAT GetLineBottom(const CPVT_WordPlace& place) const; 741 742 private: 743 IPDF_VariableText* m_pVT; 744 IFX_Edit_Notify* m_pNotify; 745 IFX_Edit_OprNotify* m_pOprNotify; 746 CFX_Edit_Provider* m_pVTProvide; 747 748 CPVT_WordPlace m_wpCaret; 749 CPVT_WordPlace m_wpOldCaret; 750 CFX_Edit_Select m_SelState; 751 752 CPDF_Point m_ptScrollPos; 753 CPDF_Point m_ptRefreshScrollPos; 754 FX_BOOL m_bEnableScroll; 755 IFX_Edit_Iterator * m_pIterator; 756 CFX_Edit_Refresh m_Refresh; 757 CPDF_Point m_ptCaret; 758 CFX_Edit_Undo m_Undo; 759 FX_INT32 m_nAlignment; 760 FX_BOOL m_bNotifyFlag; 761 FX_BOOL m_bEnableOverflow; 762 FX_BOOL m_bEnableRefresh; 763 CPDF_Rect m_rcOldContent; 764 FX_BOOL m_bEnableUndo; 765 FX_BOOL m_bNotify; 766 FX_BOOL m_bOprNotify; 767 CFX_Edit_GroupUndoItem* m_pGroupUndoItem; 768 }; 769 770 /* ------------------------- CFX_Edit_Iterator ---------------------------- */ 771 772 class CFX_Edit_Iterator : public IFX_Edit_Iterator 773 { 774 public: 775 CFX_Edit_Iterator(CFX_Edit * pEdit,IPDF_VariableText_Iterator * pVTIterator); 776 virtual ~CFX_Edit_Iterator(); 777 778 FX_BOOL NextWord(); 779 FX_BOOL NextLine(); 780 FX_BOOL NextSection(); 781 FX_BOOL PrevWord(); 782 FX_BOOL PrevLine(); 783 FX_BOOL PrevSection(); 784 785 FX_BOOL GetWord(CPVT_Word & word) const; 786 FX_BOOL GetLine(CPVT_Line & line) const; 787 FX_BOOL GetSection(CPVT_Section & section) const; 788 void SetAt(FX_INT32 nWordIndex); 789 void SetAt(const CPVT_WordPlace & place); 790 const CPVT_WordPlace & GetAt() const; 791 IFX_Edit* GetEdit() const; 792 793 private: 794 CFX_Edit * m_pEdit; 795 IPDF_VariableText_Iterator* m_pVTIterator; 796 }; 797 798 class CFX_Edit_Provider : public IPDF_VariableText_Provider 799 { 800 public: 801 CFX_Edit_Provider(IFX_Edit_FontMap* pFontMap); 802 virtual ~CFX_Edit_Provider(); 803 804 IFX_Edit_FontMap* GetFontMap(); 805 806 FX_INT32 GetCharWidth(FX_INT32 nFontIndex, FX_WORD word, FX_INT32 nWordStyle); 807 FX_INT32 GetTypeAscent(FX_INT32 nFontIndex); 808 FX_INT32 GetTypeDescent(FX_INT32 nFontIndex); 809 FX_INT32 GetWordFontIndex(FX_WORD word, FX_INT32 charset, FX_INT32 nFontIndex); 810 FX_INT32 GetDefaultFontIndex(); 811 FX_BOOL IsLatinWord(FX_WORD word); 812 813 private: 814 IFX_Edit_FontMap* m_pFontMap; 815 }; 816 817 #endif // FPDFSDK_INCLUDE_FXEDIT_FXET_EDIT_H_ 818
