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 <editeng/editdata.hxx>
  28 #include <svx/sdtfchim.hxx>
  29
  30
  31 #include <editeng/outlobj.hxx>
  32 #include <editeng/outliner.hxx>
  33 #include <editeng/editobj.hxx>
  34
  35 namespace {
  36 // The style family which is appended to the style names is padded to this many characters.
  37 const short PADDING_LENGTH_FOR_STYLE_FAMILY = 5;
  38 // this character will be used to pad the style families when they are appended to the style names
  39 const char PADDING_CHARACTER_FOR_STYLE_FAMILY = ' ';
  40 }
  41
  42 bool SdrTextObj::AdjustTextFrameWidthAndHeight( tools::Rectangle& rR, bool bHgt, bool bWdt ) const
  43 {
  44     if (!bTextFrame)
  45         // Not a text frame.  Bail out.
  46         return false;
  47
  48     if (rR.IsEmpty())
  49         // Empty rectangle.
  50         return false;
  51
  52     bool bFitToSize = IsFitToSize();
  53     if (bFitToSize)
  54         return false;
  55
  56     bool bWdtGrow = bWdt && IsAutoGrowWidth();
  57     bool bHgtGrow = bHgt && IsAutoGrowHeight();
  58     if (!bWdtGrow && !bHgtGrow)
  59         // Not supposed to auto-adjust width or height.
  60         return false;
  61
  62     SdrTextAniKind eAniKind = GetTextAniKind();
  63     SdrTextAniDirection eAniDir = GetTextAniDirection();
  64
  65     bool bScroll = eAniKind == SdrTextAniKind::Scroll || eAniKind == SdrTextAniKind::Alternate || eAniKind == SdrTextAniKind::Slide;
  66     bool bHScroll = bScroll && (eAniDir == SdrTextAniDirection::Left || eAniDir == SdrTextAniDirection::Right);
  67     bool bVScroll = bScroll && (eAniDir == SdrTextAniDirection::Up || eAniDir == SdrTextAniDirection::Down);
  68
  69     tools::Rectangle aOldRect = rR;
  70     tools::Long nHgt = 0, nMinHgt = 0, nMaxHgt = 0;
  71     tools::Long nWdt = 0, nMinWdt = 0, nMaxWdt = 0;
  72
  73     Size aNewSize = rR.GetSize();
  74     aNewSize.AdjustWidth( -1 ); aNewSize.AdjustHeight( -1 );
  75
  76     Size aMaxSiz(100000, 100000);
  77     Size aTmpSiz(getSdrModelFromSdrObject().GetMaxObjSize());
  78
  79     if (aTmpSiz.Width())
  80         aMaxSiz.setWidth( aTmpSiz.Width() );
  81     if (aTmpSiz.Height())
  82         aMaxSiz.setHeight( aTmpSiz.Height() );
  83
  84     if (bWdtGrow)
  85     {
  86         nMinWdt = GetMinTextFrameWidth();
  87         nMaxWdt = GetMaxTextFrameWidth();
  88         if (nMaxWdt == 0 || nMaxWdt > aMaxSiz.Width())
  89             nMaxWdt = aMaxSiz.Width();
  90         if (nMinWdt <= 0)
  91             nMinWdt = 1;
  92
  93         aNewSize.setWidth( nMaxWdt );
  94     }
  95
  96     if (bHgtGrow)
  97     {
  98         nMinHgt = GetMinTextFrameHeight();
  99         nMaxHgt = GetMaxTextFrameHeight();
 100         if (nMaxHgt == 0 || nMaxHgt > aMaxSiz.Height())
 101             nMaxHgt = aMaxSiz.Height();
 102         if (nMinHgt <= 0)
 103             nMinHgt = 1;
 104
 105         aNewSize.setHeight( nMaxHgt );
 106     }
 107
 108     tools::Long nHDist = GetTextLeftDistance() + GetTextRightDistance();
 109     tools::Long nVDist = GetTextUpperDistance() + GetTextLowerDistance();
 110     aNewSize.AdjustWidth( -nHDist );
 111     aNewSize.AdjustHeight( -nVDist );
 112
 113     if (aNewSize.Width() < 2)
 114         aNewSize.setWidth( 2 );
 115     if (aNewSize.Height() < 2)
 116         aNewSize.setHeight( 2 );
 117
 118     if (!IsInEditMode())
 119     {
 120         if (bHScroll)
 121             aNewSize.setWidth( 0x0FFFFFFF ); // don't break ticker text
 122         if (bVScroll)
 123             aNewSize.setHeight( 0x0FFFFFFF );
 124     }
 125
 126     if (pEdtOutl)
 127     {
 128         pEdtOutl->SetMaxAutoPaperSize(aNewSize);
 129         if (bWdtGrow)
 130         {
 131             Size aSiz2(pEdtOutl->CalcTextSize());
 132             nWdt = aSiz2.Width() + 1; // a little tolerance
 133             if (bHgtGrow)
 134                 nHgt = aSiz2.Height() + 1; // a little tolerance
 135         }
 136         else
 137         {
 138             nHgt = pEdtOutl->GetTextHeight() + 1; // a little tolerance
 139         }
 140     }
 141     else
 142     {
 143         Outliner& rOutliner = ImpGetDrawOutliner();
 144         rOutliner.SetPaperSize(aNewSize);
 145         rOutliner.SetUpdateMode(true);
 146         // TODO: add the optimization with bPortionInfoChecked etc. here
 147         OutlinerParaObject* pOutlinerParaObject = GetOutlinerParaObject();
 148         if (pOutlinerParaObject)
 149         {
 150             rOutliner.SetText(*pOutlinerParaObject);
 151             rOutliner.SetFixedCellHeight(GetMergedItem(SDRATTR_TEXT_USEFIXEDCELLHEIGHT).GetValue());
 152         }
 153
 154         if (bWdtGrow)
 155         {
 156             Size aSiz2(rOutliner.CalcTextSize());
 157             nWdt = aSiz2.Width() + 1; // a little tolerance
 158             if (bHgtGrow)
 159                 nHgt = aSiz2.Height() + 1; // a little tolerance
 160         }
 161         else
 162         {
 163             nHgt = rOutliner.GetTextHeight() + 1; // a little tolerance
 164         }
 165         rOutliner.Clear();
 166     }
 167
 168     if (nWdt < nMinWdt)
 169         nWdt = nMinWdt;
 170     if (nWdt > nMaxWdt)
 171         nWdt = nMaxWdt;
 172     nWdt += nHDist;
 173     if (nWdt < 1)
 174         nWdt = 1; // nHDist may be negative
 175     if (nHgt < nMinHgt)
 176         nHgt = nMinHgt;
 177     if (nHgt > nMaxHgt)
 178         nHgt = nMaxHgt;
 179     nHgt += nVDist;
 180     if (nHgt < 1)
 181         nHgt = 1; // nVDist may be negative
 182     tools::Long nWdtGrow = nWdt - (rR.Right() - rR.Left());
 183     tools::Long nHgtGrow = nHgt - (rR.Bottom() - rR.Top());
 184
 185     if (nWdtGrow == 0)
 186         bWdtGrow = false;
 187     if (nHgtGrow == 0)
 188         bHgtGrow = false;
 189
 190     if (!bWdtGrow && !bHgtGrow)
 191         return false;
 192
 193     if (bWdtGrow)
 194     {
 195         SdrTextHorzAdjust eHAdj = GetTextHorizontalAdjust();
 196
 197         if (eHAdj == SDRTEXTHORZADJUST_LEFT)
 198             rR.AdjustRight(nWdtGrow );
 199         else if (eHAdj == SDRTEXTHORZADJUST_RIGHT)
 200             rR.AdjustLeft( -nWdtGrow );
 201         else
 202         {
 203             tools::Long nWdtGrow2 = nWdtGrow / 2;
 204             rR.AdjustLeft( -nWdtGrow2 );
 205             rR.SetRight( rR.Left() + nWdt );
 206         }
 207     }
 208
 209     if (bHgtGrow)
 210     {
 211         SdrTextVertAdjust eVAdj = GetTextVerticalAdjust();
 212
 213         if (eVAdj == SDRTEXTVERTADJUST_TOP)
 214             rR.AdjustBottom(nHgtGrow );
 215         else if (eVAdj == SDRTEXTVERTADJUST_BOTTOM)
 216             rR.AdjustTop( -nHgtGrow );
 217         else
 218         {
 219             tools::Long nHgtGrow2 = nHgtGrow / 2;
 220             rR.AdjustTop( -nHgtGrow2 );
 221             rR.SetBottom( rR.Top() + nHgt );
 222         }
 223     }
 224
 225     if (aGeo.nRotationAngle)
 226     {
 227         // Object is rotated.
 228         Point aD1(rR.TopLeft());
 229         aD1 -= aOldRect.TopLeft();
 230         Point aD2(aD1);
 231         RotatePoint(aD2, Point(), aGeo.nSin, aGeo.nCos);
 232         aD2 -= aD1;
 233         rR.Move(aD2.X(), aD2.Y());
 234     }
 235
 236     return true;
 237 }
 238
 239 bool SdrTextObj::NbcAdjustTextFrameWidthAndHeight(bool bHgt, bool bWdt)
 240 {
 241     bool bRet = AdjustTextFrameWidthAndHeight(maRect,bHgt,bWdt);
 242     if (bRet)
 243     {
 244         SetRectsDirty();
 245         if (auto pRectObj = dynamic_cast<SdrRectObj *>(this)) { // this is a hack
 246             pRectObj->SetXPolyDirty();
 247         }
 248         if (auto pCaptionObj = dynamic_cast<SdrCaptionObj *>(this)) { // this is a hack
 249             pCaptionObj->ImpRecalcTail();
 250         }
 251     }
 252     return bRet;
 253 }
 254
 255 bool SdrTextObj::AdjustTextFrameWidthAndHeight()
 256 {
 257     tools::Rectangle aNewRect(maRect);
 258     bool bRet=AdjustTextFrameWidthAndHeight(aNewRect);
 259     if (bRet) {
 260         tools::Rectangle aBoundRect0; if (pUserCall!=nullptr) aBoundRect0=GetLastBoundRect();
 261         maRect = aNewRect;
 262         SetRectsDirty();
 263         if (auto pRectObj = dynamic_cast<SdrRectObj *>(this)) { // this is a hack
 264             pRectObj->SetXPolyDirty();
 265         }
 266         bool bScPostIt = false;
 267         if (auto pCaptionObj = dynamic_cast<SdrCaptionObj *>(this)) { // this is a hack
 268             pCaptionObj->ImpRecalcTail();
 269             // tdf#114956, tdf#138549 use GetSpecialTextBoxShadow to recognize
 270             // that this SdrCaption is for a ScPostit
 271             bScPostIt = pCaptionObj->GetSpecialTextBoxShadow();
 272         }
 273
 274         // to not slow down EditView visualization on Overlay (see
 275         // TextEditOverlayObject) it is necessary to suppress the
 276         // Invalidates for the deep repaint when the size of the
 277         // TextFrame changed (AdjustTextFrameWidthAndHeight returned
 278         // true). The ObjectChanges are valid, invalidate will be
 279         // done on EndTextEdit anyways
 280         const bool bSuppressChangeWhenEditOnOverlay(
 281             IsInEditMode() &&
 282             GetTextEditOutliner() &&
 283             GetTextEditOutliner()->hasEditViewCallbacks());
 284
 285         if (!bSuppressChangeWhenEditOnOverlay || bScPostIt)
 286         {
 287             SetChanged();
 288             BroadcastObjectChange();
 289         }
 290
 291         SendUserCall(SdrUserCallType::Resize,aBoundRect0);
 292     }
 293     return bRet;
 294 }
 295
 296 void SdrTextObj::ImpSetTextStyleSheetListeners()
 297 {
 298     SfxStyleSheetBasePool* pStylePool(getSdrModelFromSdrObject().GetStyleSheetPool());
 299     if (pStylePool==nullptr)
 300         return;
 301
 302     std::vector<OUString> aStyleNames;
 303     OutlinerParaObject* pOutlinerParaObject = GetOutlinerParaObject();
 304     if (pOutlinerParaObject!=nullptr)
 305     {
 306         // First, we collect all stylesheets contained in the ParaObject in
 307         // the container aStyles. The Family is always appended to the name
 308         // of the stylesheet.
 309         const EditTextObject& rTextObj=pOutlinerParaObject->GetTextObject();
 310         OUString aStyleName;
 311         SfxStyleFamily eStyleFam;
 312         sal_Int32 nParaCnt=rTextObj.GetParagraphCount();
 313
 314
 315         for(sal_Int32 nParaNum(0); nParaNum < nParaCnt; nParaNum++)
 316         {
 317             rTextObj.GetStyleSheet(nParaNum, aStyleName, eStyleFam);
 318
 319             if (!aStyleName.isEmpty())
 320             {
 321                 AppendFamilyToStyleName(aStyleName, eStyleFam);
 322
 323                 bool bFnd(false);
 324                 sal_uInt32 nNum(aStyleNames.size());
 325
 326                 while(!bFnd && nNum > 0)
 327                 {
 328                     // we don't want duplicate stylesheets
 329                     nNum--;
 330                     bFnd = aStyleName == aStyleNames[nNum];
 331                 }
 332
 333                 if(!bFnd)
 334                 {
 335                     aStyleNames.push_back(aStyleName);
 336                 }
 337             }
 338         }
 339     }
 340
 341     // now convert the strings in the vector from names to StyleSheet*
 342     o3tl::sorted_vector<SfxStyleSheet*> aStyleSheets;
 343     while (!aStyleNames.empty()) {
 344         OUString aName = aStyleNames.back();
 345         aStyleNames.pop_back();
 346
 347         SfxStyleFamily eFam = ReadFamilyFromStyleName(aName);
 348         SfxStyleSheetBase* pStyleBase = pStylePool->Find(aName,eFam);
 349         SfxStyleSheet* pStyle = dynamic_cast<SfxStyleSheet*>( pStyleBase );
 350         if (pStyle!=nullptr && pStyle!=GetStyleSheet()) {
 351             aStyleSheets.insert(pStyle);
 352         }
 353     }
 354     // now remove all superfluous stylesheets
 355     sal_uInt16 nNum=GetBroadcasterCount();
 356     while (nNum>0) {
 357         nNum--;
 358         SfxBroadcaster* pBroadcast=GetBroadcasterJOE(nNum);
 359         SfxStyleSheet* pStyle=dynamic_cast<SfxStyleSheet*>( pBroadcast );
 360         if (pStyle!=nullptr && pStyle!=GetStyleSheet()) { // special case for stylesheet of the object
 361             if (aStyleSheets.find(pStyle)==aStyleSheets.end()) {
 362                 EndListening(*pStyle);
 363             }
 364         }
 365     }
 366     // and finally, merge all stylesheets that are contained in aStyles with previous broadcasters
 367     for(SfxStyleSheet* pStyle : aStyleSheets) {
 368         // let StartListening see for itself if there's already a listener registered
 369         StartListening(*pStyle, DuplicateHandling::Prevent);
 370     }
 371 }
 372
 373 /**  iterates over the paragraphs of a given SdrObject and removes all
 374      hard set character attributes with the which ids contained in the
 375      given vector
 376 */
 377 void SdrTextObj::RemoveOutlinerCharacterAttribs( const std::vector<sal_uInt16>& rCharWhichIds )
 378 {
 379     sal_Int32 nText = getTextCount();
 380
 381     while( --nText >= 0 )
 382     {
 383         SdrText* pText = getText( nText );
 384         OutlinerParaObject* pOutlinerParaObject = pText ? pText->GetOutlinerParaObject() : nullptr;
 385
 386         if(pOutlinerParaObject)
 387         {
 388             Outliner* pOutliner = nullptr;
 389
 390             if( pEdtOutl || (pText == getActiveText()) )
 391                 pOutliner = pEdtOutl;
 392
 393             if(!pOutliner)
 394             {
 395                 pOutliner = &ImpGetDrawOutliner();
 396                 pOutliner->SetText(*pOutlinerParaObject);
 397             }
 398
 399             ESelection aSelAll( 0, 0, EE_PARA_ALL, EE_TEXTPOS_ALL );
 400             for( const auto& rWhichId : rCharWhichIds )
 401             {
 402                 pOutliner->RemoveAttribs( aSelAll, false, rWhichId );
 403             }
 404
 405             if(!pEdtOutl || (pText != getActiveText()) )
 406             {
 407                 const sal_Int32 nParaCount = pOutliner->GetParagraphCount();
 408                 std::unique_ptr<OutlinerParaObject> pTemp = pOutliner->CreateParaObject(0, nParaCount);
 409                 pOutliner->Clear();
 410                 NbcSetOutlinerParaObjectForText(std::move(pTemp), pText);
 411             }
 412         }
 413     }
 414 }
 415
 416 bool SdrTextObj::HasText() const
 417 {
 418     if( pEdtOutl )
 419         return HasTextImpl(pEdtOutl);
 420
 421     OutlinerParaObject* pOPO = GetOutlinerParaObject();
 422
 423     bool bHasText = false;
 424     if( pOPO )
 425     {
 426         const EditTextObject& rETO = pOPO->GetTextObject();
 427         sal_Int32 nParaCount = rETO.GetParagraphCount();
 428
 429         if( nParaCount > 0 )
 430             bHasText = (nParaCount > 1) || (!rETO.GetText( 0 ).isEmpty());
 431     }
 432
 433     return bHasText;
 434 }
 435
 436 void SdrTextObj::AppendFamilyToStyleName(OUString& styleName, SfxStyleFamily family)
 437 {
 438     OUStringBuffer aFam;
 439     aFam.append(static_cast<sal_Int32>(family));
 440     comphelper::string::padToLength(aFam, PADDING_LENGTH_FOR_STYLE_FAMILY , PADDING_CHARACTER_FOR_STYLE_FAMILY);
 441
 442     styleName += "|" + aFam.makeStringAndClear();
 443 }
 444
 445 SfxStyleFamily SdrTextObj::ReadFamilyFromStyleName(const OUString& styleName)
 446 {
 447     OUString familyString = styleName.copy(styleName.getLength() - PADDING_LENGTH_FOR_STYLE_FAMILY);
 448     familyString = comphelper::string::stripEnd(familyString, PADDING_CHARACTER_FOR_STYLE_FAMILY);
 449     sal_uInt16 nFam = static_cast<sal_uInt16>(familyString.toInt32());
 450     assert(nFam != 0);
 451     return static_cast<SfxStyleFamily>(nFam);
 452 }
 453
 454
 455 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */