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 <o3tl/sorted_vector.hxx>
  22 #include <o3tl/string_view.hxx>
  23 #include <svl/style.hxx>
  24 #include <svx/svdotext.hxx>
  25 #include <svx/svdmodel.hxx>
  26 #include <svx/svdoutl.hxx>
  27 #include <svx/svdorect.hxx>
  28 #include <svx/svdocapt.hxx>
  29 #include <editeng/editdata.hxx>
  30 #include <svx/sdtfchim.hxx>
  31
  32
  33 #include <editeng/outlobj.hxx>
  34 #include <editeng/outliner.hxx>
  35 #include <editeng/editobj.hxx>
  36
  37 namespace {
  38 // The style family which is appended to the style names is padded to this many characters.
  39 const short PADDING_LENGTH_FOR_STYLE_FAMILY = 5;
  40 // this character will be used to pad the style families when they are appended to the style names
  41 const char PADDING_CHARACTER_FOR_STYLE_FAMILY = ' ';
  42 }
  43
  44 bool SdrTextObj::AdjustTextFrameWidthAndHeight( tools::Rectangle& rR, bool bHgt, bool bWdt ) const
  45 {
  46     if (!mbTextFrame)
  47         // Not a text frame.  Bail out.
  48         return false;
  49
  50     if (rR.IsEmpty())
  51         // Empty rectangle.
  52         return false;
  53
  54     bool bFitToSize = IsFitToSize();
  55     if (bFitToSize)
  56         return false;
  57
  58     bool bWdtGrow = bWdt && IsAutoGrowWidth();
  59     bool bHgtGrow = bHgt && IsAutoGrowHeight();
  60     if (!bWdtGrow && !bHgtGrow)
  61         // Not supposed to auto-adjust width or height.
  62         return false;
  63
  64     SdrTextAniKind eAniKind = GetTextAniKind();
  65     SdrTextAniDirection eAniDir = GetTextAniDirection();
  66
  67     bool bScroll = eAniKind == SdrTextAniKind::Scroll || eAniKind == SdrTextAniKind::Alternate || eAniKind == SdrTextAniKind::Slide;
  68     bool bHScroll = bScroll && (eAniDir == SdrTextAniDirection::Left || eAniDir == SdrTextAniDirection::Right);
  69     bool bVScroll = bScroll && (eAniDir == SdrTextAniDirection::Up || eAniDir == SdrTextAniDirection::Down);
  70
  71     tools::Rectangle aOldRect = rR;
  72     tools::Long nHgt = 0, nMinHgt = 0, nMaxHgt = 0;
  73     tools::Long nWdt = 0, nMinWdt = 0, nMaxWdt = 0;
  74
  75     Size aNewSize = rR.GetSize();
  76     aNewSize.AdjustWidth( -1 ); aNewSize.AdjustHeight( -1 );
  77
  78     Size aMaxSiz(100000, 100000);
  79     Size aTmpSiz(getSdrModelFromSdrObject().GetMaxObjSize());
  80
  81     if (aTmpSiz.Width())
  82         aMaxSiz.setWidth( aTmpSiz.Width() );
  83     if (aTmpSiz.Height())
  84         aMaxSiz.setHeight( aTmpSiz.Height() );
  85
  86     if (bWdtGrow)
  87     {
  88         nMinWdt = GetMinTextFrameWidth();
  89         nMaxWdt = GetMaxTextFrameWidth();
  90         if (nMaxWdt == 0 || nMaxWdt > aMaxSiz.Width())
  91             nMaxWdt = aMaxSiz.Width();
  92         if (nMinWdt <= 0)
  93             nMinWdt = 1;
  94
  95         aNewSize.setWidth( nMaxWdt );
  96     }
  97
  98     if (bHgtGrow)
  99     {
 100         nMinHgt = GetMinTextFrameHeight();
 101         nMaxHgt = GetMaxTextFrameHeight();
 102         if (nMaxHgt == 0 || nMaxHgt > aMaxSiz.Height())
 103             nMaxHgt = aMaxSiz.Height();
 104         if (nMinHgt <= 0)
 105             nMinHgt = 1;
 106
 107         aNewSize.setHeight( nMaxHgt );
 108     }
 109
 110     tools::Long nHDist = GetTextLeftDistance() + GetTextRightDistance();
 111     tools::Long nVDist = GetTextUpperDistance() + GetTextLowerDistance();
 112     aNewSize.AdjustWidth( -nHDist );
 113     aNewSize.AdjustHeight( -nVDist );
 114
 115     if (aNewSize.Width() < 2)
 116         aNewSize.setWidth( 2 );
 117     if (aNewSize.Height() < 2)
 118         aNewSize.setHeight( 2 );
 119
 120     if (!IsInEditMode())
 121     {
 122         if (bHScroll)
 123             aNewSize.setWidth( 0x0FFFFFFF ); // don't break ticker text
 124         if (bVScroll)
 125             aNewSize.setHeight( 0x0FFFFFFF );
 126     }
 127
 128     if (mpEditingOutliner)
 129     {
 130         mpEditingOutliner->SetMaxAutoPaperSize(aNewSize);
 131         if (bWdtGrow)
 132         {
 133             Size aSiz2(mpEditingOutliner->CalcTextSize());
 134             nWdt = aSiz2.Width() + 1; // a little tolerance
 135             if (bHgtGrow)
 136                 nHgt = aSiz2.Height() + 1; // a little tolerance
 137         }
 138         else
 139         {
 140             nHgt = mpEditingOutliner->GetTextHeight() + 1; // a little tolerance
 141         }
 142     }
 143     else
 144     {
 145         Outliner& rOutliner = ImpGetDrawOutliner();
 146         rOutliner.SetPaperSize(aNewSize);
 147         rOutliner.SetUpdateLayout(true);
 148         // TODO: add the optimization with bPortionInfoChecked etc. here
 149         OutlinerParaObject* pOutlinerParaObject = GetOutlinerParaObject();
 150         if (pOutlinerParaObject)
 151         {
 152             rOutliner.SetText(*pOutlinerParaObject);
 153             rOutliner.SetFixedCellHeight(GetMergedItem(SDRATTR_TEXT_USEFIXEDCELLHEIGHT).GetValue());
 154         }
 155
 156         if (bWdtGrow)
 157         {
 158             Size aSiz2(rOutliner.CalcTextSize());
 159             nWdt = aSiz2.Width() + 1; // a little tolerance
 160             if (bHgtGrow)
 161                 nHgt = aSiz2.Height() + 1; // a little tolerance
 162         }
 163         else
 164         {
 165             nHgt = rOutliner.GetTextHeight() + 1; // a little tolerance
 166         }
 167         rOutliner.Clear();
 168     }
 169
 170     if (nWdt < nMinWdt)
 171         nWdt = nMinWdt;
 172     if (nWdt > nMaxWdt)
 173         nWdt = nMaxWdt;
 174     nWdt += nHDist;
 175     if (nWdt < 1)
 176         nWdt = 1; // nHDist may be negative
 177     if (nHgt < nMinHgt)
 178         nHgt = nMinHgt;
 179     if (nHgt > nMaxHgt)
 180         nHgt = nMaxHgt;
 181     nHgt += nVDist;
 182     if (nHgt < 1)
 183         nHgt = 1; // nVDist may be negative
 184     tools::Long nWdtGrow = nWdt - (rR.Right() - rR.Left());
 185     tools::Long nHgtGrow = nHgt - (rR.Bottom() - rR.Top());
 186
 187     if (nWdtGrow == 0)
 188         bWdtGrow = false;
 189     if (nHgtGrow == 0)
 190         bHgtGrow = false;
 191
 192     if (!bWdtGrow && !bHgtGrow)
 193         return false;
 194
 195     if (bWdtGrow)
 196     {
 197         SdrTextHorzAdjust eHAdj = GetTextHorizontalAdjust();
 198
 199         if (eHAdj == SDRTEXTHORZADJUST_LEFT)
 200             rR.AdjustRight(nWdtGrow );
 201         else if (eHAdj == SDRTEXTHORZADJUST_RIGHT)
 202             rR.AdjustLeft( -nWdtGrow );
 203         else
 204         {
 205             tools::Long nWdtGrow2 = nWdtGrow / 2;
 206             rR.AdjustLeft( -nWdtGrow2 );
 207             rR.SetRight( rR.Left() + nWdt );
 208         }
 209     }
 210
 211     if (bHgtGrow)
 212     {
 213         SdrTextVertAdjust eVAdj = GetTextVerticalAdjust();
 214
 215         if (eVAdj == SDRTEXTVERTADJUST_TOP)
 216             rR.AdjustBottom(nHgtGrow );
 217         else if (eVAdj == SDRTEXTVERTADJUST_BOTTOM)
 218             rR.AdjustTop( -nHgtGrow );
 219         else
 220         {
 221             tools::Long nHgtGrow2 = nHgtGrow / 2;
 222             rR.AdjustTop( -nHgtGrow2 );
 223             rR.SetBottom( rR.Top() + nHgt );
 224         }
 225     }
 226
 227     if (maGeo.m_nRotationAngle)
 228     {
 229         // Object is rotated.
 230         Point aD1(rR.TopLeft());
 231         aD1 -= aOldRect.TopLeft();
 232         Point aD2(aD1);
 233         RotatePoint(aD2, Point(), maGeo.mfSinRotationAngle, maGeo.mfCosRotationAngle);
 234         aD2 -= aD1;
 235         rR.Move(aD2.X(), aD2.Y());
 236     }
 237
 238     return true;
 239 }
 240
 241 bool SdrTextObj::NbcAdjustTextFrameWidthAndHeight(bool bHgt, bool bWdt)
 242 {
 243     tools::Rectangle aRectangle(getRectangle());
 244     bool bRet = AdjustTextFrameWidthAndHeight(aRectangle, bHgt, bWdt);
 245     setRectangle(aRectangle);
 246     if (bRet)
 247     {
 248         SetBoundAndSnapRectsDirty();
 249         if (auto pRectObj = dynamic_cast<SdrRectObj *>(this)) { // this is a hack
 250             pRectObj->SetXPolyDirty();
 251         }
 252         if (auto pCaptionObj = dynamic_cast<SdrCaptionObj *>(this)) { // this is a hack
 253             pCaptionObj->ImpRecalcTail();
 254         }
 255     }
 256     return bRet;
 257 }
 258
 259 bool SdrTextObj::AdjustTextFrameWidthAndHeight()
 260 {
 261     tools::Rectangle aNewRect(getRectangle());
 262     bool bRet = AdjustTextFrameWidthAndHeight(aNewRect);
 263     if (bRet) {
 264         tools::Rectangle aBoundRect0; if (m_pUserCall!=nullptr) aBoundRect0=GetLastBoundRect();
 265         setRectangle(aNewRect);
 266         SetBoundAndSnapRectsDirty();
 267         if (auto pRectObj = dynamic_cast<SdrRectObj *>(this)) { // this is a hack
 268             pRectObj->SetXPolyDirty();
 269         }
 270         bool bScPostIt = false;
 271         if (auto pCaptionObj = dynamic_cast<SdrCaptionObj *>(this)) { // this is a hack
 272             pCaptionObj->ImpRecalcTail();
 273             // tdf#114956, tdf#138549 use GetSpecialTextBoxShadow to recognize
 274             // that this SdrCaption is for a ScPostit
 275             bScPostIt = pCaptionObj->GetSpecialTextBoxShadow();
 276         }
 277
 278         // to not slow down EditView visualization on Overlay (see
 279         // TextEditOverlayObject) it is necessary to suppress the
 280         // Invalidates for the deep repaint when the size of the
 281         // TextFrame changed (AdjustTextFrameWidthAndHeight returned
 282         // true). The ObjectChanges are valid, invalidate will be
 283         // done on EndTextEdit anyways
 284         const bool bSuppressChangeWhenEditOnOverlay(
 285             IsInEditMode() &&
 286             GetTextEditOutliner() &&
 287             GetTextEditOutliner()->hasEditViewCallbacks());
 288
 289         if (!bSuppressChangeWhenEditOnOverlay || bScPostIt)
 290         {
 291             SetChanged();
 292             BroadcastObjectChange();
 293         }
 294
 295         SendUserCall(SdrUserCallType::Resize,aBoundRect0);
 296     }
 297     return bRet;
 298 }
 299
 300 void SdrTextObj::ImpSetTextStyleSheetListeners()
 301 {
 302     SfxStyleSheetBasePool* pStylePool(getSdrModelFromSdrObject().GetStyleSheetPool());
 303     if (pStylePool==nullptr)
 304         return;
 305
 306     std::vector<OUString> aStyleNames;
 307     OutlinerParaObject* pOutlinerParaObject = GetOutlinerParaObject();
 308     if (pOutlinerParaObject!=nullptr)
 309     {
 310         // First, we collect all stylesheets contained in the ParaObject in
 311         // the container aStyles. The Family is always appended to the name
 312         // of the stylesheet.
 313         const EditTextObject& rTextObj=pOutlinerParaObject->GetTextObject();
 314         OUString aStyleName;
 315         SfxStyleFamily eStyleFam;
 316         sal_Int32 nParaCnt=rTextObj.GetParagraphCount();
 317
 318
 319         for(sal_Int32 nParaNum(0); nParaNum < nParaCnt; nParaNum++)
 320         {
 321             rTextObj.GetStyleSheet(nParaNum, aStyleName, eStyleFam);
 322
 323             if (!aStyleName.isEmpty())
 324             {
 325                 AppendFamilyToStyleName(aStyleName, eStyleFam);
 326
 327                 bool bFnd(false);
 328                 sal_uInt32 nNum(aStyleNames.size());
 329
 330                 while(!bFnd && nNum > 0)
 331                 {
 332                     // we don't want duplicate stylesheets
 333                     nNum--;
 334                     bFnd = aStyleName == aStyleNames[nNum];
 335                 }
 336
 337                 if(!bFnd)
 338                 {
 339                     aStyleNames.push_back(aStyleName);
 340                 }
 341             }
 342         }
 343     }
 344
 345     // now convert the strings in the vector from names to StyleSheet*
 346     o3tl::sorted_vector<SfxStyleSheet*> aStyleSheets;
 347     while (!aStyleNames.empty()) {
 348         OUString aName = aStyleNames.back();
 349         aStyleNames.pop_back();
 350
 351         SfxStyleFamily eFam = ReadFamilyFromStyleName(aName);
 352         SfxStyleSheetBase* pStyleBase = pStylePool->Find(aName,eFam);
 353         SfxStyleSheet* pStyle = dynamic_cast<SfxStyleSheet*>( pStyleBase );
 354         if (pStyle!=nullptr && pStyle!=GetStyleSheet()) {
 355             aStyleSheets.insert(pStyle);
 356         }
 357     }
 358     // now remove all superfluous stylesheets
 359     sal_uInt16 nNum=GetBroadcasterCount();
 360     while (nNum>0) {
 361         nNum--;
 362         SfxBroadcaster* pBroadcast=GetBroadcasterJOE(nNum);
 363         SfxStyleSheet* pStyle=dynamic_cast<SfxStyleSheet*>( pBroadcast );
 364         if (pStyle!=nullptr && pStyle!=GetStyleSheet()) { // special case for stylesheet of the object
 365             if (aStyleSheets.find(pStyle)==aStyleSheets.end()) {
 366                 EndListening(*pStyle);
 367             }
 368         }
 369     }
 370     // and finally, merge all stylesheets that are contained in aStyles with previous broadcasters
 371     for(SfxStyleSheet* pStyle : aStyleSheets) {
 372         // let StartListening see for itself if there's already a listener registered
 373         StartListening(*pStyle, DuplicateHandling::Prevent);
 374     }
 375 }
 376
 377 /**  iterates over the paragraphs of a given SdrObject and removes all
 378      hard set character attributes with the which ids contained in the
 379      given vector
 380 */
 381 void SdrTextObj::RemoveOutlinerCharacterAttribs( const std::vector<sal_uInt16>& rCharWhichIds )
 382 {
 383     sal_Int32 nText = getTextCount();
 384
 385     while( --nText >= 0 )
 386     {
 387         SdrText* pText = getText( nText );
 388         OutlinerParaObject* pOutlinerParaObject = pText ? pText->GetOutlinerParaObject() : nullptr;
 389
 390         if(pOutlinerParaObject)
 391         {
 392             Outliner* pOutliner = nullptr;
 393
 394             if( mpEditingOutliner || (pText == getActiveText()) )
 395                 pOutliner = mpEditingOutliner;
 396
 397             if(!pOutliner)
 398             {
 399                 pOutliner = &ImpGetDrawOutliner();
 400                 pOutliner->SetText(*pOutlinerParaObject);
 401             }
 402
 403             ESelection aSelAll( 0, 0, EE_PARA_ALL, EE_TEXTPOS_ALL );
 404             for( const auto& rWhichId : rCharWhichIds )
 405             {
 406                 pOutliner->RemoveAttribs( aSelAll, false, rWhichId );
 407             }
 408
 409             if(!mpEditingOutliner || (pText != getActiveText()) )
 410             {
 411                 const sal_Int32 nParaCount = pOutliner->GetParagraphCount();
 412                 std::optional<OutlinerParaObject> pTemp = pOutliner->CreateParaObject(0, nParaCount);
 413                 pOutliner->Clear();
 414                 NbcSetOutlinerParaObjectForText(std::move(pTemp), pText);
 415             }
 416         }
 417     }
 418 }
 419
 420 bool SdrTextObj::HasText() const
 421 {
 422     if (mpEditingOutliner)
 423         return HasTextImpl(mpEditingOutliner);
 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 = OUString::number(static_cast<sal_Int32>(family));
 443     comphelper::string::padToLength(aFam, PADDING_LENGTH_FOR_STYLE_FAMILY , PADDING_CHARACTER_FOR_STYLE_FAMILY);
 444
 445     styleName += "|" + aFam;
 446 }
 447
 448 SfxStyleFamily SdrTextObj::ReadFamilyFromStyleName(std::u16string_view styleName)
 449 {
 450     std::u16string_view familyString = styleName.substr(styleName.size() - PADDING_LENGTH_FOR_STYLE_FAMILY);
 451     familyString = comphelper::string::stripEnd(familyString, PADDING_CHARACTER_FOR_STYLE_FAMILY);
 452     sal_uInt16 nFam = static_cast<sal_uInt16>(o3tl::toInt32(familyString));
 453     assert(nFam != 0);
 454     return static_cast<SfxStyleFamily>(nFam);
 455 }
 456
 457
 458 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */