svx/source/svdraw/svdotxat.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <comphelper/string.hxx>
  21 #include <svl/style.hxx>
  22 #include <svx/svdotext.hxx>
  23 #include <svx/svdmodel.hxx>
  24 #include <svx/svdoutl.hxx>
  25 #include <svx/svdorect.hxx>
  26 #include <svx/svdocapt.hxx>
  27 #include <svx/svdetc.hxx>
  28 #include <editeng/writingmodeitem.hxx>
  29 #include <editeng/editdata.hxx>
  30 #include <editeng/editeng.hxx>
  31 #include <editeng/eeitem.hxx>
  32 #include <editeng/flditem.hxx>
  33 #include <svx/sdtfchim.hxx>
  34
  35
  36 #include <editeng/editview.hxx>
  37 #include <svl/smplhint.hxx>
  38 #include <svl/whiter.hxx>
  39 #include <editeng/outlobj.hxx>
  40 #include <editeng/outliner.hxx>
  41 #include <editeng/editobj.hxx>
  42 #include <editeng/fhgtitem.hxx>
  43
  44 #include <editeng/charscaleitem.hxx>
  45 #include <svl/itemiter.hxx>
  46 #include <editeng/lrspitem.hxx>
  47 #include <svl/itempool.hxx>
  48 #include <editeng/numitem.hxx>
  49 #include <editeng/postitem.hxx>
  50
  51 #include <set>
  52
  53 namespace {
  54 // The style family which is appended to the style names is padded to this many characters.
  55 const short PADDING_LENGTH_FOR_STYLE_FAMILY = 5;
  56 // this character will be used to pad the style families when they are appended to the style names
  57 const sal_Char PADDING_CHARACTER_FOR_STYLE_FAMILY = ' ';
  58 }
  59
  60 bool SdrTextObj::AdjustTextFrameWidthAndHeight( Rectangle& rR, bool bHgt, bool bWdt ) const
  61 {
  62     if (!bTextFrame)
  63         // Not a text frame.  Bail out.
  64         return false;
  65
  66     if (!pModel)
  67         // Model doesn't exist.  Bail out.
  68         return false;
  69
  70     if (rR.IsEmpty())
  71         // Empty rectangle.
  72         return false;
  73
  74     bool bFitToSize = IsFitToSize();
  75     if (bFitToSize)
  76         return false;
  77
  78     bool bWdtGrow = bWdt && IsAutoGrowWidth();
  79     bool bHgtGrow = bHgt && IsAutoGrowHeight();
  80     if (!bWdtGrow && !bHgtGrow)
  81         // Not supposed to auto-adjust width or height.
  82         return false;
  83
  84     SdrTextAniKind eAniKind = GetTextAniKind();
  85     SdrTextAniDirection eAniDir = GetTextAniDirection();
  86
  87     bool bScroll = eAniKind == SDRTEXTANI_SCROLL || eAniKind == SDRTEXTANI_ALTERNATE || eAniKind == SDRTEXTANI_SLIDE;
  88     bool bHScroll = bScroll && (eAniDir == SDRTEXTANI_LEFT || eAniDir == SDRTEXTANI_RIGHT);
  89     bool bVScroll = bScroll && (eAniDir == SDRTEXTANI_UP || eAniDir == SDRTEXTANI_DOWN);
  90
  91     Rectangle aOldRect = rR;
  92     long nHgt = 0, nMinHgt = 0, nMaxHgt = 0;
  93     long nWdt = 0, nMinWdt = 0, nMaxWdt = 0;
  94
  95     Size aNewSize = rR.GetSize();
  96     aNewSize.Width()--; aNewSize.Height()--;
  97
  98     Size aMaxSiz(100000, 100000);
  99     Size aTmpSiz = pModel->GetMaxObjSize();
 100
 101     if (aTmpSiz.Width())
 102         aMaxSiz.Width() = aTmpSiz.Width();
 103     if (aTmpSiz.Height())
 104         aMaxSiz.Height() = aTmpSiz.Height();
 105
 106     if (bWdtGrow)
 107     {
 108         nMinWdt = GetMinTextFrameWidth();
 109         nMaxWdt = GetMaxTextFrameWidth();
 110         if (nMaxWdt == 0 || nMaxWdt > aMaxSiz.Width())
 111             nMaxWdt = aMaxSiz.Width();
 112         if (nMinWdt <= 0)
 113             nMinWdt = 1;
 114
 115         aNewSize.Width() = nMaxWdt;
 116     }
 117
 118     if (bHgtGrow)
 119     {
 120         nMinHgt = GetMinTextFrameHeight();
 121         nMaxHgt = GetMaxTextFrameHeight();
 122         if (nMaxHgt == 0 || nMaxHgt > aMaxSiz.Height())
 123             nMaxHgt = aMaxSiz.Height();
 124         if (nMinHgt <= 0)
 125             nMinHgt = 1;
 126
 127         aNewSize.Height() = nMaxHgt;
 128     }
 129
 130     long nHDist = GetTextLeftDistance() + GetTextRightDistance();
 131     long nVDist = GetTextUpperDistance() + GetTextLowerDistance();
 132     aNewSize.Width() -= nHDist;
 133     aNewSize.Height() -= nVDist;
 134
 135     if (aNewSize.Width() < 2)
 136         aNewSize.Width() = 2;
 137     if (aNewSize.Height() < 2)
 138         aNewSize.Height() = 2;
 139
 140     if (!IsInEditMode())
 141     {
 142         if (bHScroll)
 143             aNewSize.Width() = 0x0FFFFFFF; // don't break ticker text
 144         if (bVScroll)
 145             aNewSize.Height() = 0x0FFFFFFF;
 146     }
 147
 148     if (pEdtOutl)
 149     {
 150         pEdtOutl->SetMaxAutoPaperSize(aNewSize);
 151         if (bWdtGrow)
 152         {
 153             Size aSiz2(pEdtOutl->CalcTextSize());
 154             nWdt = aSiz2.Width() + 1; // a little tolerance
 155             if (bHgtGrow)
 156                 nHgt = aSiz2.Height() + 1; // a little tolerance
 157         }
 158         else
 159         {
 160             nHgt = pEdtOutl->GetTextHeight() + 1; // a little tolerance
 161         }
 162     }
 163     else
 164     {
 165         Outliner& rOutliner = ImpGetDrawOutliner();
 166         rOutliner.SetPaperSize(aNewSize);
 167         rOutliner.SetUpdateMode(true);
 168         // TODO: add the optimization with bPortionInfoChecked etc. here
 169         OutlinerParaObject* pOutlinerParaObject = GetOutlinerParaObject();
 170         if (pOutlinerParaObject)
 171         {
 172             rOutliner.SetText(*pOutlinerParaObject);
 173             rOutliner.SetFixedCellHeight(static_cast<const SdrTextFixedCellHeightItem&>(GetMergedItem(SDRATTR_TEXT_USEFIXEDCELLHEIGHT)).GetValue());
 174         }
 175
 176         if (bWdtGrow)
 177         {
 178             Size aSiz2(rOutliner.CalcTextSize());
 179             nWdt = aSiz2.Width() + 1; // a little tolerance
 180             if (bHgtGrow)
 181                 nHgt = aSiz2.Height() + 1; // a little tolerance
 182         }
 183         else
 184         {
 185             nHgt = rOutliner.GetTextHeight() + 1; // a little tolerance
 186         }
 187         rOutliner.Clear();
 188     }
 189
 190     if (nWdt < nMinWdt)
 191         nWdt = nMinWdt;
 192     if (nWdt > nMaxWdt)
 193         nWdt = nMaxWdt;
 194     nWdt += nHDist;
 195     if (nWdt < 1)
 196         nWdt = 1; // nHDist may be negative
 197     if (nHgt < nMinHgt)
 198         nHgt = nMinHgt;
 199     if (nHgt > nMaxHgt)
 200         nHgt = nMaxHgt;
 201     nHgt += nVDist;
 202     if (nHgt < 1)
 203         nHgt = 1; // nVDist may be negative
 204     long nWdtGrow = nWdt - (rR.Right() - rR.Left());
 205     long nHgtGrow = nHgt - (rR.Bottom() - rR.Top());
 206
 207     if (nWdtGrow == 0)
 208         bWdtGrow = false;
 209     if (nHgtGrow == 0)
 210         bHgtGrow = false;
 211
 212     if (!bWdtGrow && !bHgtGrow)
 213         return false;
 214
 215     if (bWdtGrow)
 216     {
 217         SdrTextHorzAdjust eHAdj = GetTextHorizontalAdjust();
 218
 219         if (eHAdj == SDRTEXTHORZADJUST_LEFT)
 220             rR.Right() += nWdtGrow;
 221         else if (eHAdj == SDRTEXTHORZADJUST_RIGHT)
 222             rR.Left() -= nWdtGrow;
 223         else
 224         {
 225             long nWdtGrow2 = nWdtGrow / 2;
 226             rR.Left() -= nWdtGrow2;
 227             rR.Right() = rR.Left() + nWdt;
 228         }
 229     }
 230
 231     if (bHgtGrow)
 232     {
 233         SdrTextVertAdjust eVAdj = GetTextVerticalAdjust();
 234
 235         if (eVAdj == SDRTEXTVERTADJUST_TOP)
 236             rR.Bottom() += nHgtGrow;
 237         else if (eVAdj == SDRTEXTVERTADJUST_BOTTOM)
 238             rR.Top() -= nHgtGrow;
 239         else
 240         {
 241             long nHgtGrow2 = nHgtGrow / 2;
 242             rR.Top() -= nHgtGrow2;
 243             rR.Bottom() = rR.Top() + nHgt;
 244         }
 245     }
 246
 247     if (aGeo.nRotationAngle)
 248     {
 249         // Object is rotated.
 250         Point aD1(rR.TopLeft());
 251         aD1 -= aOldRect.TopLeft();
 252         Point aD2(aD1);
 253         RotatePoint(aD2, Point(), aGeo.nSin, aGeo.nCos);
 254         aD2 -= aD1;
 255         rR.Move(aD2.X(), aD2.Y());
 256     }
 257
 258     return true;
 259 }
 260
 261 bool SdrTextObj::NbcAdjustTextFrameWidthAndHeight(bool bHgt, bool bWdt)
 262 {
 263     bool bRet = AdjustTextFrameWidthAndHeight(maRect,bHgt,bWdt);
 264     if (bRet)
 265     {
 266         SetRectsDirty();
 267         if (HAS_BASE(SdrRectObj,this)) { // this is a hack
 268             static_cast<SdrRectObj*>(this)->SetXPolyDirty();
 269         }
 270         if (HAS_BASE(SdrCaptionObj,this)) { // this is a hack
 271             static_cast<SdrCaptionObj*>(this)->ImpRecalcTail();
 272         }
 273     }
 274     return bRet;
 275 }
 276
 277 bool SdrTextObj::AdjustTextFrameWidthAndHeight(bool bHgt, bool bWdt)
 278 {
 279     Rectangle aNeuRect(maRect);
 280     bool bRet=AdjustTextFrameWidthAndHeight(aNeuRect,bHgt,bWdt);
 281     if (bRet) {
 282         Rectangle aBoundRect0; if (pUserCall!=NULL) aBoundRect0=GetLastBoundRect();
 283         maRect = aNeuRect;
 284         SetRectsDirty();
 285         if (HAS_BASE(SdrRectObj,this)) { // this is a hack
 286             static_cast<SdrRectObj*>(this)->SetXPolyDirty();
 287         }
 288         if (HAS_BASE(SdrCaptionObj,this)) { // this is a hack
 289             static_cast<SdrCaptionObj*>(this)->ImpRecalcTail();
 290         }
 291         SetChanged();
 292         BroadcastObjectChange();
 293         SendUserCall(SDRUSERCALL_RESIZE,aBoundRect0);
 294     }
 295     return bRet;
 296 }
 297
 298 void SdrTextObj::ImpSetTextStyleSheetListeners()
 299 {
 300     SfxStyleSheetBasePool* pStylePool=pModel!=NULL ? pModel->GetStyleSheetPool() : NULL;
 301     if (pStylePool!=NULL)
 302     {
 303         std::vector<OUString> aStyleNames;
 304         OutlinerParaObject* pOutlinerParaObject = GetOutlinerParaObject();
 305         if (pOutlinerParaObject!=NULL)
 306         {
 307             // First, we collect all stylesheets contained in the ParaObject in
 308             // the container aStyles. The Family is always appended to the name
 309             // of the stylesheet.
 310             const EditTextObject& rTextObj=pOutlinerParaObject->GetTextObject();
 311             OUString aStyleName;
 312             SfxStyleFamily eStyleFam;
 313             sal_Int32 nParaAnz=rTextObj.GetParagraphCount();
 314
 315
 316             for(sal_Int32 nParaNum(0); nParaNum < nParaAnz; nParaNum++)
 317             {
 318                 rTextObj.GetStyleSheet(nParaNum, aStyleName, eStyleFam);
 319
 320                 if (!aStyleName.isEmpty())
 321                 {
 322                     AppendFamilyToStyleName(aStyleName, eStyleFam);
 323
 324                     bool bFnd(false);
 325                     sal_uInt32 nNum(aStyleNames.size());
 326
 327                     while(!bFnd && nNum > 0)
 328                     {
 329                         // we don't want duplicate stylesheets
 330                         nNum--;
 331                         bFnd = aStyleName == aStyleNames[nNum];
 332                     }
 333
 334                     if(!bFnd)
 335                     {
 336                         aStyleNames.push_back(aStyleName);
 337                     }
 338                 }
 339             }
 340         }
 341
 342         // now convert the strings in the vector from names to StyleSheet*
 343         std::set<SfxStyleSheet*> aStyleSheets;
 344         while (!aStyleNames.empty()) {
 345             OUString aName = aStyleNames.back();
 346             aStyleNames.pop_back();
 347
 348             SfxStyleFamily eFam = ReadFamilyFromStyleName(aName);
 349             SfxStyleSheetBase* pStyleBase = pStylePool->Find(aName,eFam);
 350             SfxStyleSheet* pStyle = PTR_CAST(SfxStyleSheet,pStyleBase);
 351             if (pStyle!=NULL && pStyle!=GetStyleSheet()) {
 352                 aStyleSheets.insert(pStyle);
 353             }
 354         }
 355         // now remove all superfluous stylesheets
 356         sal_uIntPtr nNum=GetBroadcasterCount();
 357         while (nNum>0) {
 358             nNum--;
 359             SfxBroadcaster* pBroadcast=GetBroadcasterJOE((sal_uInt16)nNum);
 360             SfxStyleSheet* pStyle=PTR_CAST(SfxStyleSheet,pBroadcast);
 361             if (pStyle!=NULL && pStyle!=GetStyleSheet()) { // special case for stylesheet of the object
 362                 if (aStyleSheets.find(pStyle)==aStyleSheets.end()) {
 363                     EndListening(*pStyle);
 364                 }
 365             }
 366         }
 367         // and finally, merge all stylesheets that are contained in aStyles with previous broadcasters
 368         for(std::set<SfxStyleSheet*>::const_iterator it = aStyleSheets.begin(); it != aStyleSheets.end(); ++it) {
 369             SfxStyleSheet* pStyle=*it;
 370             // let StartListening see for itself if there's already a listener registered
 371             StartListening(*pStyle,true);
 372         }
 373     }
 374 }
 375
 376 /**  iterates over the paragraphs of a given SdrObject and removes all
 377      hard set character attributes with the which ids contained in the
 378      given vector
 379 */
 380 void SdrTextObj::RemoveOutlinerCharacterAttribs( const std::vector<sal_uInt16>& rCharWhichIds )
 381 {
 382     sal_Int32 nText = getTextCount();
 383
 384     while( --nText >= 0 )
 385     {
 386         SdrText* pText = getText( nText );
 387         OutlinerParaObject* pOutlinerParaObject = pText ? pText->GetOutlinerParaObject() : 0;
 388
 389         if(pOutlinerParaObject)
 390         {
 391             Outliner* pOutliner = 0;
 392
 393             if( pEdtOutl || (pText == getActiveText()) )
 394                 pOutliner = pEdtOutl;
 395
 396             if(!pOutliner)
 397             {
 398                 pOutliner = &ImpGetDrawOutliner();
 399                 pOutliner->SetText(*pOutlinerParaObject);
 400             }
 401
 402             ESelection aSelAll( 0, 0, EE_PARA_ALL, EE_TEXTPOS_ALL );
 403             std::vector<sal_uInt16>::const_iterator aIter( rCharWhichIds.begin() );
 404             while( aIter != rCharWhichIds.end() )
 405             {
 406                 pOutliner->RemoveAttribs( aSelAll, false, (*aIter++) );
 407             }
 408
 409             if(!pEdtOutl || (pText != getActiveText()) )
 410             {
 411                 const sal_Int32 nParaCount = pOutliner->GetParagraphCount();
 412                 OutlinerParaObject* pTemp = pOutliner->CreateParaObject(0, nParaCount);
 413                 pOutliner->Clear();
 414                 NbcSetOutlinerParaObjectForText(pTemp, pText);
 415             }
 416         }
 417     }
 418 }
 419
 420 bool SdrTextObj::HasText() const
 421 {
 422     if( pEdtOutl )
 423         return HasEditText();
 424
 425     OutlinerParaObject* pOPO = GetOutlinerParaObject();
 426
 427     bool bHasText = false;
 428     if( pOPO )
 429     {
 430         const EditTextObject& rETO = pOPO->GetTextObject();
 431         sal_Int32 nParaCount = rETO.GetParagraphCount();
 432
 433         if( nParaCount > 0 )
 434             bHasText = (nParaCount > 1) || (!rETO.GetText( 0 ).isEmpty());
 435     }
 436
 437     return bHasText;
 438 }
 439
 440 void SdrTextObj::AppendFamilyToStyleName(OUString& styleName, SfxStyleFamily family)
 441 {
 442     OUStringBuffer aFam;
 443     aFam.append(static_cast<sal_Int32>(family));
 444     comphelper::string::padToLength(aFam, PADDING_LENGTH_FOR_STYLE_FAMILY , PADDING_CHARACTER_FOR_STYLE_FAMILY);
 445
 446     styleName += OUString('|');
 447     styleName += aFam.makeStringAndClear();
 448 }
 449
 450 SfxStyleFamily SdrTextObj::ReadFamilyFromStyleName(const OUString& styleName)
 451 {
 452     OUString familyString = styleName.copy(styleName.getLength() - PADDING_LENGTH_FOR_STYLE_FAMILY);
 453     familyString = comphelper::string::stripEnd(familyString, PADDING_CHARACTER_FOR_STYLE_FAMILY);
 454     sal_uInt16 nFam = static_cast<sal_uInt16>(familyString.toInt32());
 455     assert(nFam != 0);
 456     return static_cast<SfxStyleFamily>(nFam);
 457 }
 458
 459
 460 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */