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 _FXET_EDIT_H_ 8 #define _FXET_EDIT_H_ 9 10 #include "fx_edit.h" 11 12 class CFX_Edit_Page; 13 struct CFX_Edit_LineRect; 14 class CFX_Edit_LineRectArray; 15 class CFX_Edit_RectArray; 16 class CFX_Edit_Refresh; 17 class CFX_Edit_Select; 18 class CFX_Edit; 19 class CFX_Edit_Iterator; 20 class CFX_Edit_Refresh; 21 class CFX_Edit_UndoItem; 22 class CFX_Edit_Undo; 23 class CFX_Edit_Provider; 24 25 #define FX_EDIT_IsFloatZero(f) (f < 0.0001 && f > -0.0001) 26 #define FX_EDIT_IsFloatEqual(fa,fb) FX_EDIT_IsFloatZero(fa - fb) 27 #define FX_EDIT_IsFloatBigger(fa,fb) (fa > fb && !FX_EDIT_IsFloatEqual(fa,fb)) 28 #define FX_EDIT_IsFloatSmaller(fa,fb) (fa < fb && !FX_EDIT_IsFloatEqual(fa,fb)) 29 30 template<class T> T FX_EDIT_MIN (const T & i, const T & j) { return ((i < j) ? i : j); } 31 template<class T> T FX_EDIT_MAX (const T & i, const T & j) { return ((i > j) ? i : j); } 32 33 #define FX_EDIT_PI 3.14159265358979f 34 #define FX_EDIT_ITALIC_ANGEL 10 * FX_EDIT_PI / 180.0f 35 36 37 /* ------------------------- CFX_Edit_Refresh ---------------------------- */ 38 39 enum REFRESH_PLAN_E 40 { 41 RP_ANALYSE, 42 RP_NOANALYSE, 43 RP_OPTIONAL 44 }; 45 46 enum EDIT_PROPS_E 47 { 48 EP_LINELEADING, 49 EP_LINEINDENT, 50 EP_ALIGNMENT, 51 EP_FONTINDEX, 52 EP_FONTSIZE, 53 EP_WORDCOLOR, 54 EP_SCRIPTTYPE, 55 EP_UNDERLINE, 56 EP_CROSSOUT, 57 EP_CHARSPACE, 58 EP_HORZSCALE, 59 EP_BOLD, 60 EP_ITALIC 61 }; 62 63 struct CFX_Edit_LineRect 64 { 65 CFX_Edit_LineRect(const CPVT_WordRange & wrLine,const CPDF_Rect & rcLine) : 66 m_wrLine(wrLine), m_rcLine(rcLine) 67 { 68 } 69 70 FX_BOOL operator != (const CFX_Edit_LineRect & linerect) const 71 { 72 return FXSYS_memcmp(this, &linerect, sizeof(CFX_Edit_LineRect)) != 0; 73 } 74 75 FX_BOOL IsSameHeight(const CFX_Edit_LineRect & linerect) const 76 { 77 return FX_EDIT_IsFloatZero((m_rcLine.top - m_rcLine.bottom) - (linerect.m_rcLine.top -linerect.m_rcLine.bottom)); 78 } 79 80 FX_BOOL IsSameTop(const CFX_Edit_LineRect & linerect) const 81 { 82 return FX_EDIT_IsFloatZero(m_rcLine.top - linerect.m_rcLine.top); 83 } 84 85 FX_BOOL IsSameLeft(const CFX_Edit_LineRect & linerect) const 86 { 87 return FX_EDIT_IsFloatZero(m_rcLine.left - linerect.m_rcLine.left); 88 } 89 90 FX_BOOL IsSameRight(const CFX_Edit_LineRect & linerect) const 91 { 92 return FX_EDIT_IsFloatZero(m_rcLine.right - linerect.m_rcLine.right); 93 } 94 95 CPVT_WordRange m_wrLine; 96 CPDF_Rect m_rcLine; 97 }; 98 99 class CFX_Edit_LineRectArray 100 { 101 public: 102 CFX_Edit_LineRectArray() 103 { 104 } 105 106 virtual ~CFX_Edit_LineRectArray() 107 { 108 Empty(); 109 } 110 111 void Empty() 112 { 113 for (FX_INT32 i = 0, sz = m_LineRects.GetSize(); i < sz; i++) 114 delete m_LineRects.GetAt(i); 115 116 m_LineRects.RemoveAll(); 117 } 118 119 void RemoveAll() 120 { 121 m_LineRects.RemoveAll(); 122 } 123 124 void operator = (CFX_Edit_LineRectArray & rects) 125 { 126 Empty(); 127 for (FX_INT32 i = 0, sz = rects.GetSize(); i < sz; i++) 128 m_LineRects.Add(rects.GetAt(i)); 129 130 rects.RemoveAll(); 131 } 132 133 void Add(const CPVT_WordRange & wrLine,const CPDF_Rect & rcLine) 134 { 135 if (CFX_Edit_LineRect * pRect = new CFX_Edit_LineRect(wrLine,rcLine)) 136 m_LineRects.Add(pRect); 137 } 138 139 FX_INT32 GetSize() const 140 { 141 return m_LineRects.GetSize(); 142 } 143 144 CFX_Edit_LineRect * GetAt(FX_INT32 nIndex) const 145 { 146 if (nIndex < 0 || nIndex >= m_LineRects.GetSize()) 147 return NULL; 148 149 return m_LineRects.GetAt(nIndex); 150 } 151 152 CFX_ArrayTemplate<CFX_Edit_LineRect*> m_LineRects; 153 }; 154 155 class CFX_Edit_RectArray 156 { 157 public: 158 CFX_Edit_RectArray() 159 { 160 } 161 162 virtual ~CFX_Edit_RectArray() 163 { 164 this->Empty(); 165 } 166 167 void Empty() 168 { 169 for (FX_INT32 i = 0, sz = m_Rects.GetSize(); i < sz; i++) 170 delete m_Rects.GetAt(i); 171 172 this->m_Rects.RemoveAll(); 173 } 174 175 void Add(const CPDF_Rect & rect) 176 { 177 //check for overlaped area 178 for (FX_INT32 i = 0, sz = m_Rects.GetSize(); i < sz; i++) 179 if (CPDF_Rect * pRect = m_Rects.GetAt(i)) 180 if (pRect->Contains(rect))return; 181 182 if (CPDF_Rect * pNewRect = new CPDF_Rect(rect)) 183 m_Rects.Add(pNewRect); 184 } 185 186 FX_INT32 GetSize() const 187 { 188 return m_Rects.GetSize(); 189 } 190 191 CPDF_Rect * GetAt(FX_INT32 nIndex) const 192 { 193 if (nIndex < 0 || nIndex >= m_Rects.GetSize()) 194 return NULL; 195 196 return m_Rects.GetAt(nIndex); 197 } 198 199 CFX_ArrayTemplate<CPDF_Rect*> m_Rects; 200 }; 201 202 class CFX_Edit_Refresh 203 { 204 public: 205 CFX_Edit_Refresh(); 206 virtual ~CFX_Edit_Refresh(); 207 208 void BeginRefresh(); 209 void Push(const CPVT_WordRange & linerange,const CPDF_Rect & rect); 210 void NoAnalyse(); 211 void Analyse(FX_INT32 nAlignment); 212 void AddRefresh(const CPDF_Rect & rect); 213 const CFX_Edit_RectArray * GetRefreshRects() const; 214 void EndRefresh(); 215 216 private: 217 CFX_Edit_LineRectArray m_NewLineRects; 218 CFX_Edit_LineRectArray m_OldLineRects; 219 CFX_Edit_RectArray m_RefreshRects; 220 }; 221 222 223 /* ------------------------- CFX_Edit_Select ---------------------------- */ 224 225 class CFX_Edit_Select 226 { 227 public: 228 CFX_Edit_Select() 229 { 230 } 231 232 CFX_Edit_Select(const CPVT_WordPlace & begin,const CPVT_WordPlace & end) 233 { 234 Set(begin,end); 235 } 236 237 CFX_Edit_Select(const CPVT_WordRange & range) 238 { 239 Set(range.BeginPos,range.EndPos); 240 } 241 242 CPVT_WordRange ConvertToWordRange() const 243 { 244 return CPVT_WordRange(this->BeginPos,this->EndPos); 245 } 246 247 void Default() 248 { 249 BeginPos.Default(); 250 EndPos.Default(); 251 } 252 253 void Set(const CPVT_WordPlace & begin,const CPVT_WordPlace & end) 254 { 255 this->BeginPos = begin; 256 this->EndPos = end; 257 } 258 259 void SetBeginPos(const CPVT_WordPlace & begin) 260 { 261 this->BeginPos = begin; 262 } 263 264 void SetEndPos(const CPVT_WordPlace & end) 265 { 266 this->EndPos = end; 267 } 268 269 FX_BOOL IsExist() const 270 { 271 return this->BeginPos != this->EndPos; 272 } 273 274 FX_BOOL operator != (const CPVT_WordRange & wr) const 275 { 276 return wr.BeginPos != this->BeginPos || wr.EndPos != this->EndPos; 277 } 278 279 CPVT_WordPlace BeginPos,EndPos; 280 }; 281 282 /* ------------------------- CFX_Edit_Undo ---------------------------- */ 283 284 class CFX_Edit_Undo 285 { 286 public: 287 CFX_Edit_Undo(FX_INT32 nBufsize = 10000); 288 virtual ~CFX_Edit_Undo(); 289 290 void Undo(); 291 void Redo(); 292 293 void AddItem(IFX_Edit_UndoItem* pItem); 294 295 FX_BOOL CanUndo() const; 296 FX_BOOL CanRedo() const; 297 FX_BOOL IsModified() const; 298 FX_BOOL IsWorking() const; 299 300 void Reset(); 301 302 IFX_Edit_UndoItem* GetItem(FX_INT32 nIndex); 303 FX_INT32 GetItemCount(){return m_UndoItemStack.GetSize();} 304 FX_INT32 GetCurUndoPos(){return m_nCurUndoPos;} 305 306 private: 307 void SetBufSize(FX_INT32 nSize){m_nBufSize = nSize;} 308 FX_INT32 GetBufSize(){return m_nBufSize;} 309 310 void RemoveHeads(); 311 void RemoveTails(); 312 313 private: 314 CFX_ArrayTemplate<IFX_Edit_UndoItem*> m_UndoItemStack; 315 316 FX_INT32 m_nCurUndoPos; 317 FX_INT32 m_nBufSize; 318 FX_BOOL m_bModified; 319 FX_BOOL m_bVirgin; 320 FX_BOOL m_bWorking; 321 }; 322 323 class CFX_Edit_UndoItem : public IFX_Edit_UndoItem 324 { 325 public: 326 CFX_Edit_UndoItem() : m_bFirst(TRUE), m_bLast(TRUE) {} 327 virtual ~CFX_Edit_UndoItem(){} 328 329 virtual CFX_WideString GetUndoTitle() {return L"";} 330 virtual void Release(){delete this;} 331 332 public: 333 void SetFirst(FX_BOOL bFirst){m_bFirst = bFirst;} 334 FX_BOOL IsFirst(){return m_bFirst;} 335 void SetLast(FX_BOOL bLast){m_bLast = bLast;} 336 FX_BOOL IsLast(){return m_bLast;} 337 338 private: 339 FX_BOOL m_bFirst; 340 FX_BOOL m_bLast; 341 }; 342 343 class CFX_Edit_GroupUndoItem : public IFX_Edit_UndoItem 344 { 345 public: 346 CFX_Edit_GroupUndoItem(const CFX_WideString& sTitle); 347 virtual ~CFX_Edit_GroupUndoItem(); 348 349 void AddUndoItem(CFX_Edit_UndoItem* pUndoItem); 350 void UpdateItems(); 351 352 public: 353 virtual void Undo(); 354 virtual void Redo(); 355 virtual CFX_WideString GetUndoTitle(); 356 virtual void Release(); 357 358 private: 359 CFX_WideString m_sTitle; 360 CFX_ArrayTemplate<CFX_Edit_UndoItem*> m_Items; 361 }; 362 363 /* ------------------------- CFX_Edit_UndoItem derived classes ---------------------------- */ 364 365 class CFXEU_InsertWord : public CFX_Edit_UndoItem 366 { 367 public: 368 CFXEU_InsertWord(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 369 FX_WORD word, FX_INT32 charset, const CPVT_WordProps * pWordProps); 370 virtual ~CFXEU_InsertWord(); 371 372 void Redo(); 373 void Undo(); 374 375 private: 376 CFX_Edit* m_pEdit; 377 378 CPVT_WordPlace m_wpOld; 379 CPVT_WordPlace m_wpNew; 380 FX_WORD m_Word; 381 FX_INT32 m_nCharset; 382 CPVT_WordProps m_WordProps; 383 }; 384 385 class CFXEU_InsertReturn : public CFX_Edit_UndoItem 386 { 387 public: 388 CFXEU_InsertReturn(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 389 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps); 390 virtual ~CFXEU_InsertReturn(); 391 392 void Redo(); 393 void Undo(); 394 395 private: 396 CFX_Edit * m_pEdit; 397 398 CPVT_WordPlace m_wpOld; 399 CPVT_WordPlace m_wpNew; 400 CPVT_SecProps m_SecProps; 401 CPVT_WordProps m_WordProps; 402 }; 403 404 class CFXEU_Backspace : public CFX_Edit_UndoItem 405 { 406 public: 407 CFXEU_Backspace(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 408 FX_WORD word, FX_INT32 charset, 409 const CPVT_SecProps & SecProps, const CPVT_WordProps & WordProps); 410 virtual ~CFXEU_Backspace(); 411 412 void Redo(); 413 void Undo(); 414 415 private: 416 CFX_Edit * m_pEdit; 417 418 CPVT_WordPlace m_wpOld; 419 CPVT_WordPlace m_wpNew; 420 FX_WORD m_Word; 421 FX_INT32 m_nCharset; 422 CPVT_SecProps m_SecProps; 423 CPVT_WordProps m_WordProps; 424 }; 425 426 class CFXEU_Delete : public CFX_Edit_UndoItem 427 { 428 public: 429 CFXEU_Delete(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 430 FX_WORD word, FX_INT32 charset, 431 const CPVT_SecProps & SecProps, const CPVT_WordProps & WordProps, FX_BOOL bSecEnd); 432 virtual ~CFXEU_Delete(); 433 434 void Redo(); 435 void Undo(); 436 437 private: 438 CFX_Edit * m_pEdit; 439 440 CPVT_WordPlace m_wpOld; 441 CPVT_WordPlace m_wpNew; 442 FX_WORD m_Word; 443 FX_INT32 m_nCharset; 444 CPVT_SecProps m_SecProps; 445 CPVT_WordProps m_WordProps; 446 FX_BOOL m_bSecEnd; 447 }; 448 449 class CFXEU_Clear : public CFX_Edit_UndoItem 450 { 451 public: 452 CFXEU_Clear(CFX_Edit * pEdit, const CPVT_WordRange & wrSel, const CFX_WideString & swText); 453 virtual ~CFXEU_Clear(); 454 455 void Redo(); 456 void Undo(); 457 458 private: 459 CFX_Edit* m_pEdit; 460 461 CPVT_WordRange m_wrSel; 462 CFX_WideString m_swText; 463 }; 464 465 class CFXEU_ClearRich : public CFX_Edit_UndoItem 466 { 467 public: 468 CFXEU_ClearRich(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 469 const CPVT_WordRange & wrSel, 470 FX_WORD word, FX_INT32 charset, 471 const CPVT_SecProps & SecProps, const CPVT_WordProps & WordProps); 472 virtual ~CFXEU_ClearRich(); 473 474 void Redo(); 475 void Undo(); 476 477 private: 478 CFX_Edit * m_pEdit; 479 480 CPVT_WordPlace m_wpOld; 481 CPVT_WordPlace m_wpNew; 482 CPVT_WordRange m_wrSel; 483 FX_WORD m_Word; 484 FX_INT32 m_nCharset; 485 CPVT_SecProps m_SecProps; 486 CPVT_WordProps m_WordProps; 487 }; 488 489 class CFXEU_InsertText : public CFX_Edit_UndoItem 490 { 491 public: 492 CFXEU_InsertText(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace, 493 const CFX_WideString & swText, FX_INT32 charset, 494 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps); 495 virtual ~CFXEU_InsertText(); 496 497 void Redo(); 498 void Undo(); 499 500 private: 501 CFX_Edit * m_pEdit; 502 503 CPVT_WordPlace m_wpOld; 504 CPVT_WordPlace m_wpNew; 505 CFX_WideString m_swText; 506 FX_INT32 m_nCharset; 507 CPVT_SecProps m_SecProps; 508 CPVT_WordProps m_WordProps; 509 }; 510 511 class CFXEU_SetSecProps : public CFX_Edit_UndoItem 512 { 513 public: 514 CFXEU_SetSecProps(CFX_Edit * pEdit, const CPVT_WordPlace & place, EDIT_PROPS_E ep, 515 const CPVT_SecProps & oldsecprops, const CPVT_WordProps & oldwordprops, 516 const CPVT_SecProps & newsecprops, const CPVT_WordProps & newwordprops, const CPVT_WordRange & range); 517 virtual ~CFXEU_SetSecProps(); 518 519 void Redo(); 520 void Undo(); 521 522 private: 523 CFX_Edit * m_pEdit; 524 CPVT_WordPlace m_wpPlace; 525 CPVT_WordRange m_wrPlace; 526 EDIT_PROPS_E m_eProps; 527 528 CPVT_SecProps m_OldSecProps; 529 CPVT_SecProps m_NewSecProps; 530 CPVT_WordProps m_OldWordProps; 531 CPVT_WordProps m_NewWordProps; 532 }; 533 534 class CFXEU_SetWordProps : public CFX_Edit_UndoItem 535 { 536 public: 537 CFXEU_SetWordProps(CFX_Edit * pEdit, const CPVT_WordPlace & place, EDIT_PROPS_E ep, 538 const CPVT_WordProps & oldprops, const CPVT_WordProps & newprops, const CPVT_WordRange & range); 539 virtual ~CFXEU_SetWordProps(); 540 541 void Redo(); 542 void Undo(); 543 544 private: 545 CFX_Edit * m_pEdit; 546 CPVT_WordPlace m_wpPlace; 547 CPVT_WordRange m_wrPlace; 548 EDIT_PROPS_E m_eProps; 549 550 CPVT_WordProps m_OldWordProps; 551 CPVT_WordProps m_NewWordProps; 552 }; 553 554 /* ------------------------- CFX_Edit ---------------------------- */ 555 556 class CFX_Edit : public IFX_Edit 557 { 558 friend class CFX_Edit_Iterator; 559 friend class CFXEU_InsertWord; 560 friend class CFXEU_InsertReturn; 561 friend class CFXEU_Backspace; 562 friend class CFXEU_Delete; 563 friend class CFXEU_Clear; 564 friend class CFXEU_ClearRich; 565 friend class CFXEU_SetSecProps; 566 friend class CFXEU_SetWordProps; 567 friend class CFXEU_InsertText; 568 569 public: 570 CFX_Edit(IPDF_VariableText * pVT); 571 virtual ~CFX_Edit(); 572 573 void SetFontMap(IFX_Edit_FontMap * pFontMap); 574 void SetVTProvider(IPDF_VariableText_Provider* pProvider); 575 void SetNotify(IFX_Edit_Notify * pNotify); 576 void SetOprNotify(IFX_Edit_OprNotify* pOprNotify); 577 IFX_Edit_Iterator* GetIterator(); 578 IPDF_VariableText * GetVariableText(); 579 IFX_Edit_FontMap* GetFontMap(); 580 581 void Initialize(); 582 void SetPlateRect(const CPDF_Rect & rect, FX_BOOL bPaint = TRUE); 583 void SetScrollPos(const CPDF_Point & point); 584 585 void SetAlignmentH(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE); 586 void SetAlignmentV(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE); 587 void SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE); 588 void SetLimitChar(FX_INT32 nLimitChar = 0, FX_BOOL bPaint = TRUE); 589 void SetCharArray(FX_INT32 nCharArray = 0, FX_BOOL bPaint = TRUE); 590 void SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE); 591 void SetHorzScale(FX_INT32 nHorzScale = 100, FX_BOOL bPaint = TRUE); 592 void SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE); 593 void SetMultiLine(FX_BOOL bMultiLine = TRUE, FX_BOOL bPaint = TRUE); 594 void SetAutoReturn(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE); 595 void SetAutoFontSize(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE); 596 void SetAutoScroll(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE); 597 void SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE); 598 void SetTextOverflow(FX_BOOL bAllowed = FALSE, FX_BOOL bPaint = TRUE); 599 600 FX_BOOL IsRichText() const; 601 void SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE); 602 FX_BOOL SetRichFontSize(FX_FLOAT fFontSize); 603 FX_BOOL SetRichFontIndex(FX_INT32 nFontIndex); 604 FX_BOOL SetRichTextColor(FX_COLORREF dwColor); 605 FX_BOOL SetRichTextScript(FX_INT32 nScriptType); 606 FX_BOOL SetRichTextBold(FX_BOOL bBold = TRUE); 607 FX_BOOL SetRichTextItalic(FX_BOOL bItalic = TRUE); 608 FX_BOOL SetRichTextUnderline(FX_BOOL bUnderline = TRUE); 609 FX_BOOL SetRichTextCrossout(FX_BOOL bCrossout = TRUE); 610 FX_BOOL SetRichTextCharSpace(FX_FLOAT fCharSpace); 611 FX_BOOL SetRichTextHorzScale(FX_INT32 nHorzScale = 100); 612 FX_BOOL SetRichTextLineLeading(FX_FLOAT fLineLeading); 613 FX_BOOL SetRichTextLineIndent(FX_FLOAT fLineIndent); 614 FX_BOOL SetRichTextAlignment(FX_INT32 nAlignment); 615 616 void OnMouseDown(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl); 617 void OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl); 618 void OnVK_UP(FX_BOOL bShift,FX_BOOL bCtrl); 619 void OnVK_DOWN(FX_BOOL bShift,FX_BOOL bCtrl); 620 void OnVK_LEFT(FX_BOOL bShift,FX_BOOL bCtrl); 621 void OnVK_RIGHT(FX_BOOL bShift,FX_BOOL bCtrl); 622 void OnVK_HOME(FX_BOOL bShift,FX_BOOL bCtrl); 623 void OnVK_END(FX_BOOL bShift,FX_BOOL bCtrl); 624 625 void SetText(FX_LPCWSTR text,FX_INT32 charset = DEFAULT_CHARSET, 626 const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL); 627 FX_BOOL InsertWord(FX_WORD word, FX_INT32 charset = DEFAULT_CHARSET, const CPVT_WordProps * pWordProps = NULL); 628 FX_BOOL InsertReturn(const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL); 629 FX_BOOL Backspace(); 630 FX_BOOL Delete(); 631 FX_BOOL Clear(); 632 FX_BOOL Empty(); 633 FX_BOOL InsertText(FX_LPCWSTR text, FX_INT32 charset = DEFAULT_CHARSET, 634 const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL); 635 FX_BOOL Redo(); 636 FX_BOOL Undo(); 637 CPVT_WordPlace DoInsertText(const CPVT_WordPlace& place, FX_LPCWSTR text, FX_INT32 charset, 638 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps); 639 FX_INT32 GetCharSetFromUnicode(FX_WORD word, FX_INT32 nOldCharset); 640 641 FX_INT32 WordPlaceToWordIndex(const CPVT_WordPlace & place) const; 642 CPVT_WordPlace WordIndexToWordPlace(FX_INT32 index) const; 643 644 CPVT_WordPlace GetLineBeginPlace(const CPVT_WordPlace & place) const; 645 CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace & place) const; 646 CPVT_WordPlace GetSectionBeginPlace(const CPVT_WordPlace & place) const; 647 CPVT_WordPlace GetSectionEndPlace(const CPVT_WordPlace & place) const; 648 CPVT_WordPlace SearchWordPlace(const CPDF_Point& point) const; 649 650 FX_INT32 GetCaret() const; 651 CPVT_WordPlace GetCaretWordPlace() const; 652 CFX_WideString GetSelText() const; 653 CFX_WideString GetText() const; 654 FX_FLOAT GetFontSize() const; 655 FX_WORD GetPasswordChar() const; 656 CPDF_Point GetScrollPos() const; 657 FX_INT32 GetCharArray() const; 658 CPDF_Rect GetPlateRect() const; 659 CPDF_Rect GetContentRect() const; 660 CFX_WideString GetRangeText(const CPVT_WordRange & range) const; 661 FX_INT32 GetHorzScale() const; 662 FX_FLOAT GetCharSpace() const; 663 FX_INT32 GetTotalWords() const; 664 FX_INT32 GetTotalLines() const; 665 666 void SetSel(FX_INT32 nStartChar,FX_INT32 nEndChar); 667 void GetSel(FX_INT32 & nStartChar, FX_INT32 & nEndChar) const; 668 669 private: 670 void SelectAll(); 671 void SelectNone(); 672 void SetSel(const CPVT_WordPlace & begin,const CPVT_WordPlace & end); 673 FX_BOOL IsSelected() const; 674 675 void RearrangeAll(); 676 void RearrangePart(const CPVT_WordRange & range); 677 void Paint(); 678 void ScrollToCaret(); 679 void SetScrollInfo(); 680 void SetScrollPosX(FX_FLOAT fx); 681 void SetScrollPosY(FX_FLOAT fy); 682 void SetScrollLimit(); 683 void SetContentChanged(); 684 void EnableNotify(FX_BOOL bNotify); 685 686 void SetText(FX_LPCWSTR text,FX_INT32 charset, 687 const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint); 688 FX_BOOL InsertWord(FX_WORD word, FX_INT32 charset, const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint); 689 FX_BOOL InsertReturn(const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint); 690 FX_BOOL Backspace(FX_BOOL bAddUndo, FX_BOOL bPaint); 691 FX_BOOL Delete(FX_BOOL bAddUndo, FX_BOOL bPaint); 692 FX_BOOL Clear(FX_BOOL bAddUndo, FX_BOOL bPaint); 693 FX_BOOL InsertText(FX_LPCWSTR text, FX_INT32 charset, 694 const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint); 695 FX_BOOL SetRichTextProps(EDIT_PROPS_E eProps, 696 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps); 697 FX_BOOL SetSecProps(EDIT_PROPS_E eProps, const CPVT_WordPlace & place, 698 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps, const CPVT_WordRange & wr, FX_BOOL bAddUndo); 699 FX_BOOL SetWordProps(EDIT_PROPS_E eProps, const CPVT_WordPlace & place, 700 const CPVT_WordProps * pWordProps, const CPVT_WordRange & wr, FX_BOOL bAddUndo); 701 void PaintSetProps(EDIT_PROPS_E eProps, const CPVT_WordRange & wr); 702 void PaintInsertText(const CPVT_WordPlace & wpOld, const CPVT_WordPlace & wpNew); 703 704 inline CPDF_Point VTToEdit(const CPDF_Point & point) const; 705 inline CPDF_Point EditToVT(const CPDF_Point & point) const; 706 inline CPDF_Rect VTToEdit(const CPDF_Rect & rect) const; 707 inline CPDF_Rect EditToVT(const CPDF_Rect & rect) const; 708 709 void EnableRefresh(FX_BOOL bRefresh); 710 void Refresh(REFRESH_PLAN_E ePlan,const CPVT_WordRange * pRange1 = NULL,const CPVT_WordRange * pRange2 = NULL); 711 void RefreshPushLineRects(const CPVT_WordRange & wr); 712 void RefreshPushRandomRects(const CPVT_WordRange & wr); 713 void RefreshWordRange(const CPVT_WordRange& wr); 714 715 void SetCaret(FX_INT32 nPos); 716 void SetCaret(const CPVT_WordPlace & place); 717 void SetCaretInfo(); 718 void SetCaretOrigin(); 719 void SetCaretChange(); 720 721 CPVT_WordRange GetWholeWordRange() const; 722 CPVT_WordRange GetVisibleWordRange() const; 723 CPVT_WordRange GetLatinWordsRange(const CPVT_WordPlace & place) const; 724 CPVT_WordRange CombineWordRange(const CPVT_WordRange & wr1, const CPVT_WordRange & wr2); 725 CPVT_WordRange GetSelectWordRange() const; 726 727 void EnableUndo(FX_BOOL bUndo); 728 void EnableOprNotify(FX_BOOL bNotify); 729 730 FX_BOOL IsTextFull() const; 731 FX_BOOL IsTextOverflow() const; 732 FX_BOOL CanUndo() const; 733 FX_BOOL CanRedo() const; 734 FX_BOOL IsModified() const; 735 736 void BeginGroupUndo(const CFX_WideString& sTitle); 737 void EndGroupUndo(); 738 void AddEditUndoItem(CFX_Edit_UndoItem* pEditUndoItem); 739 void AddUndoItem(IFX_Edit_UndoItem* pUndoItem); 740 741 void SetPageInfo(const CPVT_WordPlace& place); 742 CPVT_WordPlace SearchPageEndPlace(const CPVT_WordPlace& wpPageBegin, const CPDF_Point& point) const; 743 FX_FLOAT GetLineTop(const CPVT_WordPlace& place) const; 744 FX_FLOAT GetLineBottom(const CPVT_WordPlace& place) const; 745 746 private: 747 IPDF_VariableText* m_pVT; 748 IFX_Edit_Notify* m_pNotify; 749 IFX_Edit_OprNotify* m_pOprNotify; 750 CFX_Edit_Provider* m_pVTProvide; 751 752 CPVT_WordPlace m_wpCaret; 753 CPVT_WordPlace m_wpOldCaret; 754 CFX_Edit_Select m_SelState; 755 756 CPDF_Point m_ptScrollPos; 757 CPDF_Point m_ptRefreshScrollPos; 758 FX_BOOL m_bEnableScroll; 759 IFX_Edit_Iterator * m_pIterator; 760 CFX_Edit_Refresh m_Refresh; 761 CPDF_Point m_ptCaret; 762 CFX_Edit_Undo m_Undo; 763 FX_INT32 m_nAlignment; 764 FX_BOOL m_bNotifyFlag; 765 FX_BOOL m_bTextFullFlag; 766 FX_BOOL m_bEnableOverflow; 767 FX_BOOL m_bEnableRefresh; 768 CPDF_Rect m_rcOldContent; 769 FX_BOOL m_bEnableUndo; 770 FX_BOOL m_bNotify; 771 FX_BOOL m_bOprNotify; 772 CFX_Edit_GroupUndoItem* m_pGroupUndoItem; 773 }; 774 775 /* ------------------------- CFX_Edit_Iterator ---------------------------- */ 776 777 class CFX_Edit_Iterator : public IFX_Edit_Iterator 778 { 779 public: 780 CFX_Edit_Iterator(CFX_Edit * pEdit,IPDF_VariableText_Iterator * pVTIterator); 781 virtual ~CFX_Edit_Iterator(); 782 783 FX_BOOL NextWord(); 784 FX_BOOL NextLine(); 785 FX_BOOL NextSection(); 786 FX_BOOL PrevWord(); 787 FX_BOOL PrevLine(); 788 FX_BOOL PrevSection(); 789 790 FX_BOOL GetWord(CPVT_Word & word) const; 791 FX_BOOL GetLine(CPVT_Line & line) const; 792 FX_BOOL GetSection(CPVT_Section & section) const; 793 void SetAt(FX_INT32 nWordIndex); 794 void SetAt(const CPVT_WordPlace & place); 795 const CPVT_WordPlace & GetAt() const; 796 IFX_Edit* GetEdit() const; 797 798 private: 799 CFX_Edit * m_pEdit; 800 IPDF_VariableText_Iterator* m_pVTIterator; 801 }; 802 803 class CFX_Edit_Provider : public IPDF_VariableText_Provider 804 { 805 public: 806 CFX_Edit_Provider(IFX_Edit_FontMap* pFontMap); 807 virtual ~CFX_Edit_Provider(); 808 809 IFX_Edit_FontMap* GetFontMap(); 810 811 FX_INT32 GetCharWidth(FX_INT32 nFontIndex, FX_WORD word, FX_INT32 nWordStyle); 812 FX_INT32 GetTypeAscent(FX_INT32 nFontIndex); 813 FX_INT32 GetTypeDescent(FX_INT32 nFontIndex); 814 FX_INT32 GetWordFontIndex(FX_WORD word, FX_INT32 charset, FX_INT32 nFontIndex); 815 FX_INT32 GetDefaultFontIndex(); 816 FX_BOOL IsLatinWord(FX_WORD word); 817 818 private: 819 IFX_Edit_FontMap* m_pFontMap; 820 }; 821 822 #endif //_FXET_EDIT_H_ 823 824
