sw/source/core/draw/dview.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 <hintids.hxx>
  21 #include <svx/svdpage.hxx>
  22 #include <svx/svdpagv.hxx>
  23 #include <svx/fmmodel.hxx>
  24 #include <sot/exchange.hxx>
  25 #include <svx/sdrundomanager.hxx>
  26 #include <tools/globname.hxx>
  27 #include <editeng/outliner.hxx>
  28 #include <com/sun/star/embed/EmbedMisc.hpp>
  29 #include <com/sun/star/embed/XEmbeddedObject.hpp>
  30
  31 #include <pagefrm.hxx>
  32 #include <rootfrm.hxx>
  33 #include <cntfrm.hxx>
  34 #include <notxtfrm.hxx>
  35 #include <flyfrm.hxx>
  36 #include <frmfmt.hxx>
  37 #include <dflyobj.hxx>
  38 #include <dcontact.hxx>
  39 #include <textboxhelper.hxx>
  40 #include <viewsh.hxx>
  41 #include <viewimp.hxx>
  42 #include <dview.hxx>
  43 #include <doc.hxx>
  44 #include <mdiexp.hxx>
  45 #include <ndole.hxx>
  46 #include <ndgrf.hxx>
  47 #include <fmtanchr.hxx>
  48 #include <IDocumentUndoRedo.hxx>
  49 #include <DocumentSettingManager.hxx>
  50 #include <IDocumentLayoutAccess.hxx>
  51
  52 #include <com/sun/star/embed/Aspects.hpp>
  53
  54 #include <vector>
  55
  56 #include <sortedobjs.hxx>
  57 #include <UndoManager.hxx>
  58
  59 using namespace com::sun::star;
  60
  61 namespace {
  62
  63 class SwSdrHdl : public SdrHdl
  64 {
  65 public:
  66     SwSdrHdl(const Point& rPnt, bool bTopRight ) :
  67         SdrHdl( rPnt, bTopRight ? SdrHdlKind::Anchor_TR : SdrHdlKind::Anchor ) {}
  68     virtual bool IsFocusHdl() const override;
  69 };
  70
  71 }
  72
  73 bool SwSdrHdl::IsFocusHdl() const
  74 {
  75     if( SdrHdlKind::Anchor == eKind || SdrHdlKind::Anchor_TR == eKind )
  76         return true;
  77     return SdrHdl::IsFocusHdl();
  78 }
  79
  80 static const SwFrame *lcl_FindAnchor( const SdrObject *pObj, bool bAll )
  81 {
  82     const SwVirtFlyDrawObj *pVirt = dynamic_cast< const SwVirtFlyDrawObj *>( pObj ) !=  nullptr ?
  83                                             static_cast<const SwVirtFlyDrawObj*>(pObj) : nullptr;
  84     if ( pVirt )
  85     {
  86         if ( bAll || !pVirt->GetFlyFrame()->IsFlyInContentFrame() )
  87             return pVirt->GetFlyFrame()->GetAnchorFrame();
  88     }
  89     else
  90     {
  91         const SwDrawContact *pCont = static_cast<const SwDrawContact*>(GetUserCall(pObj));
  92         if ( pCont )
  93             return pCont->GetAnchorFrame( pObj );
  94     }
  95     return nullptr;
  96 }
  97
  98 SwDrawView::SwDrawView(
  99     SwViewShellImp& rI,
 100     FmFormModel& rFmFormModel,
 101     OutputDevice* pOutDev)
 102 :   FmFormView(rFmFormModel, pOutDev),
 103     m_rImp( rI )
 104 {
 105     SetPageVisible( false );
 106     SetBordVisible( false );
 107     SetGridVisible( false );
 108     SetHlplVisible( false );
 109     SetGlueVisible( false );
 110     SetFrameDragSingles();
 111     SetSwapAsynchron();
 112
 113     EnableExtendedKeyInputDispatcher( false );
 114     EnableExtendedMouseEventDispatcher( false );
 115
 116     SetHitTolerancePixel( GetMarkHdlSizePixel()/2 );
 117
 118     SetPrintPreview( rI.GetShell()->IsPreview() );
 119
 120     // #i73602# Use default from the configuration
 121     SetBufferedOverlayAllowed(getOptionsDrawinglayer().IsOverlayBuffer_Writer());
 122
 123     // #i74769#, #i75172# Use default from the configuration
 124     SetBufferedOutputAllowed(getOptionsDrawinglayer().IsPaintBuffer_Writer());
 125 }
 126
 127 // #i99665#
 128 bool SwDrawView::IsAntiAliasing() const
 129 {
 130     return getOptionsDrawinglayer().IsAntiAliasing();
 131 }
 132
 133 static SdrObject* impLocalHitCorrection(SdrObject* pRetval, const Point& rPnt, sal_uInt16 nTol, const SdrMarkList &rMrkList)
 134 {
 135     if(!nTol)
 136     {
 137         // the old method forced back to outer bounds test when nTol == 0, so
 138         // do not try to correct when nTol is not set (used from HelpContent)
 139     }
 140     else
 141     {
 142         // rebuild logic from former SwVirtFlyDrawObj::CheckSdrObjectHit. This is needed since
 143         // the SdrObject-specific CheckHit implementations are now replaced with primitives and
 144         // 'tricks' like in the old implementation (e.g. using a view from a model-data class to
 145         // detect if object is selected) are no longer valid.
 146         // The standard primitive hit-test for SwVirtFlyDrawObj now is the outer bound. The old
 147         // implementation reduced this excluding the inner bound when the object was not selected.
 148         SwVirtFlyDrawObj* pSwVirtFlyDrawObj = dynamic_cast< SwVirtFlyDrawObj* >(pRetval);
 149
 150         if(pSwVirtFlyDrawObj)
 151         {
 152             if(pSwVirtFlyDrawObj->GetFlyFrame()->Lower() && pSwVirtFlyDrawObj->GetFlyFrame()->Lower()->IsNoTextFrame())
 153             {
 154                 // the old method used IsNoTextFrame (should be for SW's own OLE and
 155                 // graphic's) to accept hit only based on outer bounds; nothing to do
 156             }
 157             else
 158             {
 159                 // check if the object is selected in this view
 160                 const size_t nMarkCount(rMrkList.GetMarkCount());
 161                 bool bSelected(false);
 162
 163                 for(size_t a = 0; !bSelected && a < nMarkCount; ++a)
 164                 {
 165                     if(pSwVirtFlyDrawObj == rMrkList.GetMark(a)->GetMarkedSdrObj())
 166                     {
 167                         bSelected = true;
 168                     }
 169                 }
 170
 171                 if(!bSelected)
 172                 {
 173                     // when not selected, the object is not hit when hit position is inside
 174                     // inner range. Get and shrink inner range
 175                     basegfx::B2DRange aInnerBound(pSwVirtFlyDrawObj->getInnerBound());
 176
 177                     aInnerBound.grow(-1.0 * nTol);
 178
 179                     if(aInnerBound.isInside(basegfx::B2DPoint(rPnt.X(), rPnt.Y())))
 180                     {
 181                         // exclude this hit
 182                         pRetval = nullptr;
 183                     }
 184                 }
 185             }
 186         }
 187     }
 188
 189     return pRetval;
 190 }
 191
 192 SdrObject* SwDrawView::CheckSingleSdrObjectHit(const Point& rPnt, sal_uInt16 nTol, SdrObject* pObj, SdrPageView* pPV, SdrSearchOptions nOptions, const SdrLayerIDSet* pMVisLay) const
 193 {
 194     // call parent
 195     SdrObject* pRetval = FmFormView::CheckSingleSdrObjectHit(rPnt, nTol, pObj, pPV, nOptions, pMVisLay);
 196
 197     if(pRetval)
 198     {
 199         // override to allow extra handling when picking SwVirtFlyDrawObj's
 200         pRetval = impLocalHitCorrection(pRetval, rPnt, nTol, GetMarkedObjectList());
 201     }
 202
 203     return pRetval;
 204 }
 205
 206 /// Gets called every time the handles need to be build
 207 void SwDrawView::AddCustomHdl()
 208 {
 209     const SdrMarkList &rMrkList = GetMarkedObjectList();
 210
 211     if(rMrkList.GetMarkCount() != 1 || !GetUserCall(rMrkList.GetMark( 0 )->GetMarkedSdrObj()))
 212         return;
 213
 214     SdrObject *pObj = rMrkList.GetMark(0)->GetMarkedSdrObj();
 215     // make code robust
 216     SwFrameFormat* pFrameFormat( ::FindFrameFormat( pObj ) );
 217     if ( !pFrameFormat )
 218     {
 219         OSL_FAIL( "<SwDrawView::AddCustomHdl()> - missing frame format!" );
 220         return;
 221     }
 222     const SwFormatAnchor &rAnchor = pFrameFormat->GetAnchor();
 223
 224     if (RndStdIds::FLY_AS_CHAR == rAnchor.GetAnchorId())
 225         return;
 226
 227     const SwFrame* pAnch = CalcAnchor();
 228     if(nullptr == pAnch)
 229         return;
 230
 231     Point aPos(m_aAnchorPoint);
 232
 233     if ( RndStdIds::FLY_AT_CHAR == rAnchor.GetAnchorId() )
 234     {
 235         // #i28701# - use last character rectangle saved at object
 236         // in order to avoid a format of the anchor frame
 237         SwAnchoredObject* pAnchoredObj = ::GetUserCall( pObj )->GetAnchoredObj( pObj );
 238         SwRect aAutoPos = pAnchoredObj->GetLastCharRect();
 239         if ( aAutoPos.Height() )
 240         {
 241             aPos = aAutoPos.Pos();
 242         }
 243     }
 244
 245     // add anchor handle:
 246     maHdlList.AddHdl( std::make_unique<SwSdrHdl>( aPos, ( pAnch->IsVertical() && !pAnch->IsVertLR() ) ||
 247                                      pAnch->IsRightToLeft() ) );
 248 }
 249
 250 SdrObject* SwDrawView::GetMaxToTopObj( SdrObject* pObj ) const
 251 {
 252     if ( GetUserCall(pObj) )
 253     {
 254         const SwFrame *pAnch = ::lcl_FindAnchor( pObj, false );
 255         if ( pAnch )
 256         {
 257             //The topmost Obj within the anchor must not be overtaken.
 258             const SwFlyFrame *pFly = pAnch->FindFlyFrame();
 259             if ( pFly )
 260             {
 261                 const SwPageFrame *pPage = pFly->FindPageFrame();
 262                 if ( pPage->GetSortedObjs() )
 263                 {
 264                     size_t nOrdNum = 0;
 265                     for (SwAnchoredObject* i : *pPage->GetSortedObjs())
 266                     {
 267                         const SdrObject *pO = i->GetDrawObj();
 268
 269                         if ( pO->GetOrdNumDirect() > nOrdNum )
 270                         {
 271                             const SwFrame *pTmpAnch = ::lcl_FindAnchor( pO, false );
 272                             if ( pFly->IsAnLower( pTmpAnch ) )
 273                             {
 274                                 nOrdNum = pO->GetOrdNumDirect();
 275                             }
 276                         }
 277                     }
 278                     if ( nOrdNum )
 279                     {
 280                         SdrPage *pTmpPage = GetModel()->GetPage( 0 );
 281                         ++nOrdNum;
 282                         if ( nOrdNum < pTmpPage->GetObjCount() )
 283                         {
 284                             return pTmpPage->GetObj( nOrdNum );
 285                         }
 286                     }
 287                 }
 288             }
 289         }
 290     }
 291     return nullptr;
 292 }
 293
 294 SdrObject* SwDrawView::GetMaxToBtmObj(SdrObject* pObj) const
 295 {
 296     if ( GetUserCall(pObj) )
 297     {
 298         const SwFrame *pAnch = ::lcl_FindAnchor( pObj, false );
 299         if ( pAnch )
 300         {
 301             //The Fly of the anchor must not be "flying under".
 302             const SwFlyFrame *pFly = pAnch->FindFlyFrame();
 303             if ( pFly )
 304             {
 305                 SdrObject *pRet = const_cast<SdrObject*>(static_cast<SdrObject const *>(pFly->GetVirtDrawObj()));
 306                 return pRet != pObj ? pRet : nullptr;
 307             }
 308         }
 309     }
 310     return nullptr;
 311 }
 312
 313 /// determine maximal order number for a 'child' object of given 'parent' object
 314 sal_uInt32 SwDrawView::GetMaxChildOrdNum( const SwFlyFrame& _rParentObj,
 315                                            const SdrObject* _pExclChildObj )
 316 {
 317     sal_uInt32 nMaxChildOrdNum = _rParentObj.GetDrawObj()->GetOrdNum();
 318
 319     const SdrPage* pDrawPage = _rParentObj.GetDrawObj()->getSdrPageFromSdrObject();
 320     OSL_ENSURE( pDrawPage,
 321             "<SwDrawView::GetMaxChildOrdNum(..) - missing drawing page at parent object - crash!" );
 322
 323     const size_t nObjCount = pDrawPage->GetObjCount();
 324     for ( size_t i = nObjCount-1; i > _rParentObj.GetDrawObj()->GetOrdNum() ; --i )
 325     {
 326         const SdrObject* pObj = pDrawPage->GetObj( i );
 327
 328         // Don't consider 'child' object <_pExclChildObj>
 329         if ( pObj == _pExclChildObj )
 330         {
 331             continue;
 332         }
 333
 334         if ( pObj->GetOrdNum() > nMaxChildOrdNum &&
 335              _rParentObj.IsAnLower( lcl_FindAnchor( pObj, true ) ) )
 336         {
 337             nMaxChildOrdNum = pObj->GetOrdNum();
 338             break;
 339         }
 340     }
 341
 342     return nMaxChildOrdNum;
 343 }
 344
 345 /// method to move 'repeated' objects of the given moved object to the according level
 346 void SwDrawView::MoveRepeatedObjs( const SwAnchoredObject& _rMovedAnchoredObj,
 347                                     const std::vector<SdrObject*>& _rMovedChildObjs ) const
 348 {
 349     // determine 'repeated' objects of already moved object <_rMovedAnchoredObj>
 350     std::vector<SwAnchoredObject*> aAnchoredObjs;
 351     {
 352         const SwContact* pContact = ::GetUserCall( _rMovedAnchoredObj.GetDrawObj() );
 353         assert(pContact && "SwDrawView::MoveRepeatedObjs(..) - missing contact object -> crash.");
 354         pContact->GetAnchoredObjs( aAnchoredObjs );
 355     }
 356
 357     // check, if 'repeated' objects exists.
 358     if ( aAnchoredObjs.size() <= 1 )
 359         return;
 360
 361     SdrPage* pDrawPage = GetModel()->GetPage( 0 );
 362
 363     // move 'repeated' ones to the same order number as the already moved one.
 364     const size_t nNewPos = _rMovedAnchoredObj.GetDrawObj()->GetOrdNum();
 365     while ( !aAnchoredObjs.empty() )
 366     {
 367         SwAnchoredObject* pAnchoredObj = aAnchoredObjs.back();
 368         if ( pAnchoredObj != &_rMovedAnchoredObj )
 369         {
 370             pDrawPage->SetObjectOrdNum( pAnchoredObj->GetDrawObj()->GetOrdNum(),
 371                                         nNewPos );
 372             pDrawPage->RecalcObjOrdNums();
 373             // adjustments for accessibility API
 374             if ( auto pTmpFlyFrame = dynamic_cast<SwFlyFrame *>( pAnchoredObj ) )
 375             {
 376                 m_rImp.DisposeAccessibleFrame( pTmpFlyFrame );
 377                 m_rImp.AddAccessibleFrame( pTmpFlyFrame );
 378             }
 379             else
 380             {
 381                 m_rImp.DisposeAccessibleObj(pAnchoredObj->GetDrawObj(), true);
 382                 m_rImp.AddAccessibleObj( pAnchoredObj->GetDrawObj() );
 383             }
 384         }
 385         aAnchoredObjs.pop_back();
 386     }
 387
 388     // move 'repeated' ones of 'child' objects
 389     for ( SdrObject* pChildObj : _rMovedChildObjs )
 390     {
 391         {
 392             const SwContact* pContact = ::GetUserCall( pChildObj );
 393             assert(pContact && "SwDrawView::MoveRepeatedObjs(..) - missing contact object -> crash.");
 394             pContact->GetAnchoredObjs( aAnchoredObjs );
 395         }
 396         // move 'repeated' ones to the same order number as the already moved one.
 397         const size_t nTmpNewPos = pChildObj->GetOrdNum();
 398         while ( !aAnchoredObjs.empty() )
 399         {
 400             SwAnchoredObject* pAnchoredObj = aAnchoredObjs.back();
 401             if ( pAnchoredObj->GetDrawObj() != pChildObj )
 402             {
 403                 pDrawPage->SetObjectOrdNum( pAnchoredObj->GetDrawObj()->GetOrdNum(),
 404                                             nTmpNewPos );
 405                 pDrawPage->RecalcObjOrdNums();
 406                 // adjustments for accessibility API
 407                 if ( auto pTmpFlyFrame = dynamic_cast<SwFlyFrame *>( pAnchoredObj ) )
 408                 {
 409                     m_rImp.DisposeAccessibleFrame( pTmpFlyFrame );
 410                     m_rImp.AddAccessibleFrame( pTmpFlyFrame );
 411                 }
 412                 else
 413                 {
 414                     m_rImp.DisposeAccessibleObj(pAnchoredObj->GetDrawObj(), true);
 415                     m_rImp.AddAccessibleObj( pAnchoredObj->GetDrawObj() );
 416                 }
 417             }
 418             aAnchoredObjs.pop_back();
 419         }
 420     }
 421 }
 422
 423 // --> adjustment and re-factoring of method
 424 void SwDrawView::ObjOrderChanged( SdrObject* pObj, size_t nOldPos,
 425                                           size_t nNewPos )
 426 {
 427     // nothing to do for group members
 428     if ( pObj->getParentSdrObjectFromSdrObject() )
 429     {
 430         return;
 431     }
 432
 433     // determine drawing page and assure that the order numbers are correct.
 434     SdrPage* pDrawPage = GetModel()->GetPage( 0 );
 435     if ( pDrawPage->IsObjOrdNumsDirty() )
 436         pDrawPage->RecalcObjOrdNums();
 437     const size_t nObjCount = pDrawPage->GetObjCount();
 438
 439     SwAnchoredObject* pMovedAnchoredObj =
 440                                 ::GetUserCall( pObj )->GetAnchoredObj( pObj );
 441     const SwFlyFrame* pParentAnchoredObj =
 442                                 pMovedAnchoredObj->GetAnchorFrame()->FindFlyFrame();
 443
 444     const bool bMovedForward = nOldPos < nNewPos;
 445
 446     // assure for a 'child' object, that it doesn't exceed the limits of its 'parent'
 447     if ( pParentAnchoredObj )
 448     {
 449         if ( bMovedForward )
 450         {
 451             const size_t nMaxChildOrdNumWithoutMoved =
 452                     GetMaxChildOrdNum( *pParentAnchoredObj, pMovedAnchoredObj->GetDrawObj() );
 453             if ( nNewPos > nMaxChildOrdNumWithoutMoved+1 )
 454             {
 455                 // set position to the top of the 'child' object group
 456                 pDrawPage->SetObjectOrdNum( nNewPos, nMaxChildOrdNumWithoutMoved+1 );
 457                 nNewPos = nMaxChildOrdNumWithoutMoved+1;
 458             }
 459         }
 460         else
 461         {
 462             const size_t nParentOrdNum = pParentAnchoredObj->GetDrawObj()->GetOrdNum();
 463             if ( nNewPos < nParentOrdNum )
 464             {
 465                 // set position to the bottom of the 'child' object group
 466                 pDrawPage->SetObjectOrdNum( nNewPos, nParentOrdNum );
 467                 nNewPos = nParentOrdNum;
 468             }
 469         }
 470         if ( pDrawPage->IsObjOrdNumsDirty() )
 471             pDrawPage->RecalcObjOrdNums();
 472     }
 473
 474     // Assure, that object isn't positioned between 'repeated' ones
 475     if ( ( bMovedForward && nNewPos < nObjCount - 1 ) ||
 476          ( !bMovedForward && nNewPos > 0 ) )
 477     {
 478         const SdrObject* pTmpObj =
 479                 pDrawPage->GetObj( bMovedForward ? nNewPos - 1 : nNewPos + 1 );
 480         if ( pTmpObj )
 481         {
 482             size_t nTmpNewPos( nNewPos );
 483             if ( bMovedForward )
 484             {
 485                 // move before the top 'repeated' object
 486                 const sal_uInt32 nTmpMaxOrdNum =
 487                                     ::GetUserCall( pTmpObj )->GetMaxOrdNum();
 488                 if ( nTmpMaxOrdNum > nNewPos )
 489                     nTmpNewPos = nTmpMaxOrdNum;
 490             }
 491             else
 492             {
 493                 // move behind the bottom 'repeated' object
 494                 const sal_uInt32 nTmpMinOrdNum =
 495                                     ::GetUserCall( pTmpObj )->GetMinOrdNum();
 496                 if ( nTmpMinOrdNum < nNewPos )
 497                     nTmpNewPos = nTmpMinOrdNum;
 498             }
 499             if ( nTmpNewPos != nNewPos )
 500             {
 501                 pDrawPage->SetObjectOrdNum( nNewPos, nTmpNewPos );
 502                 nNewPos = nTmpNewPos;
 503                 pDrawPage->RecalcObjOrdNums();
 504             }
 505         }
 506     }
 507
 508     // On move forward, assure that object is moved before its own children.
 509     // Only Writer fly frames can have children.
 510     if ( dynamic_cast< const SwFlyFrame *>( pMovedAnchoredObj ) !=  nullptr &&
 511          bMovedForward && nNewPos < nObjCount - 1 )
 512     {
 513         sal_uInt32 nMaxChildOrdNum =
 514                     GetMaxChildOrdNum( *static_cast<const SwFlyFrame*>(pMovedAnchoredObj) );
 515         if ( nNewPos < nMaxChildOrdNum )
 516         {
 517             // determine position before the object before its top 'child' object
 518             const SdrObject* pTmpObj = pDrawPage->GetObj( nMaxChildOrdNum );
 519             size_t nTmpNewPos = ::GetUserCall( pTmpObj )->GetMaxOrdNum() + 1;
 520             if ( nTmpNewPos >= nObjCount )
 521             {
 522                 --nTmpNewPos;
 523             }
 524             // assure, that determined position isn't between 'repeated' objects
 525             pTmpObj = pDrawPage->GetObj( nTmpNewPos );
 526             nTmpNewPos = ::GetUserCall( pTmpObj )->GetMaxOrdNum();
 527             // apply new position
 528             pDrawPage->SetObjectOrdNum( nNewPos, nTmpNewPos );
 529             nNewPos = nTmpNewPos;
 530             pDrawPage->RecalcObjOrdNums();
 531         }
 532     }
 533
 534     // Assure, that object isn't positioned between nested objects
 535     if ( ( bMovedForward && nNewPos < nObjCount - 1 ) ||
 536          ( !bMovedForward && nNewPos > 0 ) )
 537     {
 538         size_t nTmpNewPos( nNewPos );
 539         const SwFrameFormat* pParentFrameFormat =
 540                 pParentAnchoredObj ? &(pParentAnchoredObj->GetFrameFormat()) : nullptr;
 541         const SdrObject* pTmpObj = pDrawPage->GetObj( nNewPos + 1 );
 542         while ( pTmpObj )
 543         {
 544             // #i38563# - assure, that anchor frame exists.
 545             // If object is anchored inside an invisible part of the document
 546             // (e.g. page header, whose page style isn't applied, or hidden
 547             // section), no anchor frame exists.
 548             const SwFrame* pTmpAnchorFrame = lcl_FindAnchor( pTmpObj, true );
 549             const SwFlyFrame* pTmpParentObj = pTmpAnchorFrame
 550                                             ? pTmpAnchorFrame->FindFlyFrame() : nullptr;
 551             if ( pTmpParentObj &&
 552                  &(pTmpParentObj->GetFrameFormat()) != pParentFrameFormat )
 553             {
 554                 if ( bMovedForward )
 555                 {
 556                     nTmpNewPos = ::GetUserCall( pTmpObj )->GetMaxOrdNum();
 557                     pTmpObj = pDrawPage->GetObj( nTmpNewPos + 1 );
 558                 }
 559                 else
 560                 {
 561                     nTmpNewPos = ::GetUserCall( pTmpParentObj->GetDrawObj() )
 562                                                             ->GetMinOrdNum();
 563                     pTmpObj = pTmpParentObj->GetDrawObj();
 564                 }
 565             }
 566             else
 567                 break;
 568         }
 569         if ( nTmpNewPos != nNewPos )
 570         {
 571             pDrawPage->SetObjectOrdNum( nNewPos, nTmpNewPos );
 572             nNewPos = nTmpNewPos;
 573             pDrawPage->RecalcObjOrdNums();
 574         }
 575     }
 576
 577     // setup collection of moved 'child' objects to move its 'repeated' objects.
 578     std::vector< SdrObject* > aMovedChildObjs;
 579
 580     // move 'children' accordingly
 581     if ( auto pFlyFrame = dynamic_cast< SwFlyFrame *>( pMovedAnchoredObj ) )
 582     {
 583         // adjustments for accessibility API
 584         m_rImp.DisposeAccessibleFrame( pFlyFrame );
 585         m_rImp.AddAccessibleFrame( pFlyFrame );
 586
 587         const sal_uInt32 nChildNewPos = bMovedForward ? nNewPos : nNewPos+1;
 588         size_t i = bMovedForward ? nOldPos : nObjCount-1;
 589         do
 590         {
 591             SdrObject* pTmpObj = pDrawPage->GetObj( i );
 592             if ( pTmpObj == pObj )
 593                 break;
 594
 595             // #i38563# - assure, that anchor frame exists.
 596             // If object is anchored inside an invisible part of the document
 597             // (e.g. page header, whose page style isn't applied, or hidden
 598             // section), no anchor frame exists.
 599             const SwFrame* pTmpAnchorFrame = lcl_FindAnchor( pTmpObj, true );
 600             const SwFlyFrame* pTmpParentObj = pTmpAnchorFrame
 601                                             ? pTmpAnchorFrame->FindFlyFrame() : nullptr;
 602             if ( pTmpParentObj &&
 603                  ( ( pTmpParentObj == pFlyFrame ) ||
 604                    ( pFlyFrame->IsUpperOf( *pTmpParentObj ) ) ) )
 605             {
 606                 // move child object.,
 607                 pDrawPage->SetObjectOrdNum( i, nChildNewPos );
 608                 pDrawPage->RecalcObjOrdNums();
 609                 // collect 'child' object
 610                 aMovedChildObjs.push_back( pTmpObj );
 611                 // adjustments for accessibility API
 612                 if ( auto pFlyDrawObj = dynamic_cast<SwVirtFlyDrawObj *>( pTmpObj ) )
 613                 {
 614                     const SwFlyFrame *pTmpFlyFrame = pFlyDrawObj->GetFlyFrame();
 615                     m_rImp.DisposeAccessibleFrame( pTmpFlyFrame );
 616                     m_rImp.AddAccessibleFrame( pTmpFlyFrame );
 617                 }
 618                 else
 619                 {
 620                     m_rImp.DisposeAccessibleObj(pTmpObj, true);
 621                     m_rImp.AddAccessibleObj( pTmpObj );
 622                 }
 623             }
 624             else
 625             {
 626                 // adjust loop counter
 627                 if ( bMovedForward )
 628                     ++i;
 629                 else if (i > 0)
 630                     --i;
 631             }
 632
 633         } while ( ( bMovedForward && i < ( nObjCount - aMovedChildObjs.size() ) ) ||
 634                   ( !bMovedForward && i > ( nNewPos + aMovedChildObjs.size() ) ) );
 635     }
 636     else
 637     {
 638         // adjustments for accessibility API
 639         m_rImp.DisposeAccessibleObj(pObj, true);
 640         m_rImp.AddAccessibleObj( pObj );
 641     }
 642
 643     MoveRepeatedObjs( *pMovedAnchoredObj, aMovedChildObjs );
 644 }
 645
 646 bool SwDrawView::TakeDragLimit( SdrDragMode eMode,
 647                                             tools::Rectangle& rRect ) const
 648 {
 649     const SdrMarkList &rMrkList = GetMarkedObjectList();
 650     bool bRet = false;
 651     if( 1 == rMrkList.GetMarkCount() )
 652     {
 653         const SdrObject *pObj = rMrkList.GetMark( 0 )->GetMarkedSdrObj();
 654         SwRect aRect;
 655         if( ::CalcClipRect( pObj, aRect, eMode == SdrDragMode::Move ) )
 656         {
 657             rRect = aRect.SVRect();
 658             bRet = true;
 659         }
 660     }
 661     return bRet;
 662 }
 663
 664 const SwFrame* SwDrawView::CalcAnchor()
 665 {
 666     const SdrMarkList &rMrkList = GetMarkedObjectList();
 667     if ( rMrkList.GetMarkCount() != 1 )
 668         return nullptr;
 669
 670     SdrObject* pObj = rMrkList.GetMark( 0 )->GetMarkedSdrObj();
 671
 672     //Search for paragraph bound objects, otherwise only the
 673     //current anchor. Search only if we currently drag.
 674     const SwFrame* pAnch;
 675     tools::Rectangle aMyRect;
 676     auto pFlyDrawObj = dynamic_cast<SwVirtFlyDrawObj *>( pObj );
 677     if ( pFlyDrawObj )
 678     {
 679         pAnch = pFlyDrawObj->GetFlyFrame()->GetAnchorFrame();
 680         aMyRect = pFlyDrawObj->GetFlyFrame()->getFrameArea().SVRect();
 681     }
 682     else
 683     {
 684         SwDrawContact *pC = static_cast<SwDrawContact*>(GetUserCall(pObj));
 685         // determine correct anchor position for 'virtual' drawing objects.
 686         // #i26791#
 687         pAnch = pC->GetAnchorFrame( pObj );
 688         if( !pAnch )
 689         {
 690             pC->ConnectToLayout();
 691             // determine correct anchor position for 'virtual' drawing objects.
 692             // #i26791#
 693             pAnch = pC->GetAnchorFrame( pObj );
 694         }
 695         aMyRect = pObj->GetSnapRect();
 696     }
 697
 698     const bool bTopRight = pAnch && ( ( pAnch->IsVertical() &&
 699                                             !pAnch->IsVertLR() ) ||
 700                                              pAnch->IsRightToLeft() );
 701     const Point aMyPt = bTopRight ? aMyRect.TopRight() : aMyRect.TopLeft();
 702
 703     Point aPt;
 704     if ( IsAction() )
 705     {
 706         if ( !TakeDragObjAnchorPos( aPt, bTopRight ) )
 707             return nullptr;
 708     }
 709     else
 710     {
 711         tools::Rectangle aRect = pObj->GetSnapRect();
 712         aPt = bTopRight ? aRect.TopRight() : aRect.TopLeft();
 713     }
 714
 715     if ( aPt != aMyPt )
 716     {
 717         if ( pAnch && pAnch->IsContentFrame() )
 718         {
 719             // allow drawing objects in header/footer,
 720             // but exclude control objects.
 721             bool bBodyOnly = CheckControlLayer( pObj );
 722             pAnch = ::FindAnchor( static_cast<const SwContentFrame*>(pAnch), aPt, bBodyOnly );
 723         }
 724         else if ( !pFlyDrawObj )
 725         {
 726             const SwRect aRect( aPt.getX(), aPt.getY(), 1, 1 );
 727
 728             SwDrawContact* pContact = static_cast<SwDrawContact*>(GetUserCall(pObj));
 729             if ( pContact->GetAnchorFrame( pObj ) &&
 730                  pContact->GetAnchorFrame( pObj )->IsPageFrame() )
 731                 pAnch = pContact->GetPageFrame();
 732             else
 733                 pAnch = pContact->FindPage( aRect );
 734         }
 735     }
 736     if( pAnch && !pAnch->IsProtected() )
 737         m_aAnchorPoint = pAnch->GetFrameAnchorPos( ::HasWrap( pObj ) );
 738     else
 739         pAnch = nullptr;
 740     return pAnch;
 741 }
 742
 743 void SwDrawView::ShowDragAnchor()
 744 {
 745     SdrHdl* pHdl = maHdlList.GetHdl(SdrHdlKind::Anchor);
 746     if ( ! pHdl )
 747         pHdl = maHdlList.GetHdl(SdrHdlKind::Anchor_TR);
 748
 749     if(pHdl)
 750     {
 751         CalcAnchor();
 752         pHdl->SetPos(m_aAnchorPoint);
 753     }
 754 }
 755
 756 void SwDrawView::MarkListHasChanged()
 757 {
 758     Imp().GetShell()->DrawSelChanged();
 759     FmFormView::MarkListHasChanged();
 760 }
 761
 762 // #i7672#
 763 void SwDrawView::ModelHasChanged()
 764 {
 765     // The ModelHasChanged() call in DrawingLayer also updates
 766     // an eventually active text edit view (OutlinerView). This also leads
 767     // to newly setting the background color for that edit view. Thus,
 768     // this method rescues the current background color if an OutlinerView
 769     // exists and re-establishes it then. To be more safe, the OutlinerView
 770     // will be fetched again (maybe textedit has ended).
 771     OutlinerView* pView = GetTextEditOutlinerView();
 772     Color aBackColor;
 773     bool bColorWasSaved(false);
 774
 775     if(pView)
 776     {
 777         aBackColor = pView->GetBackgroundColor();
 778         bColorWasSaved = true;
 779     }
 780
 781     // call parent
 782     FmFormView::ModelHasChanged();
 783
 784     if(bColorWasSaved)
 785     {
 786         pView = GetTextEditOutlinerView();
 787
 788         if(pView)
 789         {
 790             pView->SetBackgroundColor(aBackColor);
 791         }
 792     }
 793 }
 794
 795 void SwDrawView::MakeVisible( const tools::Rectangle &rRect, vcl::Window & )
 796 {
 797     OSL_ENSURE( m_rImp.GetShell()->GetWin(), "MakeVisible, unknown Window");
 798     m_rImp.GetShell()->MakeVisible( SwRect( rRect ) );
 799 }
 800
 801 void SwDrawView::CheckPossibilities()
 802 {
 803     FmFormView::CheckPossibilities();
 804
 805     //In addition to the existing flags of the objects themselves,
 806     //which are evaluated by the DrawingEngine, other circumstances
 807     //lead to a protection.
 808     //Objects that are anchored in frames need to be protected
 809     //if the content of the frame is protected.
 810     //OLE-Objects may themselves wish a resize protection (StarMath)
 811
 812     const SdrMarkList &rMrkList = GetMarkedObjectList();
 813     bool bProtect = false;
 814     bool bSzProtect = false;
 815     bool bRotate(false);
 816
 817     for ( size_t i = 0; !bProtect && i < rMrkList.GetMarkCount(); ++i )
 818     {
 819         const SdrObject *pObj = rMrkList.GetMark( i )->GetMarkedSdrObj();
 820         const SwFrame *pFrame = nullptr;
 821         if ( auto pVirtFlyDrawObj = dynamic_cast< const SwVirtFlyDrawObj *>( pObj ) )
 822         {
 823             const SwFlyFrame *pFly = pVirtFlyDrawObj->GetFlyFrame();
 824             if ( pFly  )
 825             {
 826                 pFrame = pFly->GetAnchorFrame();
 827                 if ( pFly->Lower() && pFly->Lower()->IsNoTextFrame() )
 828                 {
 829                     const SwNoTextFrame *const pNTF(static_cast<const SwNoTextFrame*>(pFly->Lower()));
 830                     const SwOLENode *const pOLENd = pNTF->GetNode()->GetOLENode();
 831                     const SwGrfNode *const pGrfNd = pNTF->GetNode()->GetGrfNode();
 832
 833                     if ( pOLENd )
 834                     {
 835                         const uno::Reference < embed::XEmbeddedObject > xObj = const_cast< SwOLEObj& >(pOLENd->GetOLEObj()).GetOleRef();
 836
 837                         if ( xObj.is() )
 838                         {
 839                             // --> improvement for the future, when more
 840                             // than one Writer fly frame can be selected.
 841
 842                             // TODO/LATER: retrieve Aspect - from where?!
 843                             bSzProtect |= ( embed::EmbedMisc::EMBED_NEVERRESIZE & xObj->getStatus( embed::Aspects::MSOLE_CONTENT ) ) != 0;
 844
 845                             // #i972: protect position if it is a Math object anchored 'as char' and baseline alignment is activated
 846                             SwDoc* pDoc = Imp().GetShell()->GetDoc();
 847                             const bool bProtectMathPos = SotExchange::IsMath( xObj->getClassID() )
 848                                     && RndStdIds::FLY_AS_CHAR == pFly->GetFormat()->GetAnchor().GetAnchorId()
 849                                     && pDoc->GetDocumentSettingManager().get( DocumentSettingId::MATH_BASELINE_ALIGNMENT );
 850                             if (bProtectMathPos)
 851                                 m_bMoveProtect = true;
 852                         }
 853                     }
 854                     else if(pGrfNd)
 855                     {
 856                         // RotGrfFlyFrame: GraphicNode allows rotation(s). The loop ew are in stops
 857                         // as soon as bMoveProtect is set, but since rotation is valid only with
 858                         // a single object selected this makes no difference
 859                         bRotate = true;
 860                     }
 861                 }
 862             }
 863         }
 864         else
 865         {
 866             SwDrawContact *pC = static_cast<SwDrawContact*>(GetUserCall(pObj));
 867             if ( pC )
 868                 pFrame = pC->GetAnchorFrame( pObj );
 869         }
 870         if ( pFrame )
 871             bProtect = pFrame->IsProtected(); //Frames, areas etc.
 872         {
 873             SwFrameFormat* pFrameFormat( ::FindFrameFormat( const_cast<SdrObject*>(pObj) ) );
 874             if ( !pFrameFormat )
 875             {
 876                 OSL_FAIL( "<SwDrawView::CheckPossibilities()> - missing frame format" );
 877                 bProtect = true;
 878             }
 879             else if ((RndStdIds::FLY_AS_CHAR == pFrameFormat->GetAnchor().GetAnchorId()) &&
 880                       rMrkList.GetMarkCount() > 1 )
 881             {
 882                 bProtect = true;
 883             }
 884         }
 885     }
 886     m_bMoveProtect    |= bProtect;
 887     m_bResizeProtect  |= bProtect || bSzProtect;
 888
 889     // RotGrfFlyFrame: allow rotation when SwGrfNode is selected and not size protected
 890     m_bRotateFreeAllowed |= bRotate && !bProtect;
 891     m_bRotate90Allowed |= m_bRotateFreeAllowed;
 892 }
 893
 894 /// replace marked <SwDrawVirtObj>-objects by its reference object for delete marked objects.
 895 void SwDrawView::ReplaceMarkedDrawVirtObjs( SdrMarkView& _rMarkView )
 896 {
 897     SdrPageView* pDrawPageView = _rMarkView.GetSdrPageView();
 898     const SdrMarkList& rMarkList = _rMarkView.GetMarkedObjectList();
 899
 900     if( !rMarkList.GetMarkCount() )
 901         return;
 902
 903     // collect marked objects in a local data structure
 904     std::vector<SdrObject*> aMarkedObjs;
 905     for( size_t i = 0; i < rMarkList.GetMarkCount(); ++i )
 906     {
 907         SdrObject* pMarkedObj = rMarkList.GetMark( i )->GetMarkedSdrObj();
 908         aMarkedObjs.push_back( pMarkedObj );
 909     }
 910     // unmark all objects
 911     _rMarkView.UnmarkAllObj();
 912     // re-mark objects, but for marked <SwDrawVirtObj>-objects marked its
 913     // reference object.
 914     while ( !aMarkedObjs.empty() )
 915     {
 916         SdrObject* pMarkObj = aMarkedObjs.back();
 917         if ( auto pVirtObj = dynamic_cast<SwDrawVirtObj *>( pMarkObj ) )
 918         {
 919             SdrObject* pRefObj = &(pVirtObj->ReferencedObj());
 920             if ( !_rMarkView.IsObjMarked( pRefObj )  )
 921             {
 922                 _rMarkView.MarkObj( pRefObj, pDrawPageView );
 923             }
 924         }
 925         else
 926         {
 927             _rMarkView.MarkObj( pMarkObj, pDrawPageView );
 928         }
 929
 930         aMarkedObjs.pop_back();
 931     }
 932     // sort marked list in order to assure consistent state in drawing layer
 933     _rMarkView.SortMarkedObjects();
 934 }
 935
 936 SfxViewShell* SwDrawView::GetSfxViewShell() const
 937 {
 938     return m_rImp.GetShell()->GetSfxViewShell();
 939 }
 940
 941 void SwDrawView::DeleteMarked()
 942 {
 943     SwDoc* pDoc = Imp().GetShell()->GetDoc();
 944     SwRootFrame *pTmpRoot = pDoc->getIDocumentLayoutAccess().GetCurrentLayout();
 945     if ( pTmpRoot )
 946         pTmpRoot->StartAllAction();
 947     pDoc->GetIDocumentUndoRedo().StartUndo(SwUndoId::EMPTY, nullptr);
 948     // replace marked <SwDrawVirtObj>-objects by its reference objects.
 949     if (SdrPageView* pDrawPageView = m_rImp.GetPageView())
 950     {
 951         ReplaceMarkedDrawVirtObjs(pDrawPageView->GetView());
 952     }
 953
 954     // Check what textboxes have to be deleted afterwards.
 955     const SdrMarkList& rMarkList = GetMarkedObjectList();
 956     std::vector<SwFrameFormat*> aTextBoxesToDelete;
 957     for (size_t i = 0; i < rMarkList.GetMarkCount(); ++i)
 958     {
 959         SdrObject *pObject = rMarkList.GetMark(i)->GetMarkedSdrObj();
 960         SwContact* pContact = GetUserCall(pObject);
 961         SwFrameFormat* pFormat = pContact->GetFormat();
 962         if (SwFrameFormat* pTextBox = SwTextBoxHelper::getOtherTextBoxFormat(pFormat, RES_DRAWFRMFMT))
 963             aTextBoxesToDelete.push_back(pTextBox);
 964     }
 965
 966     if ( pDoc->DeleteSelection( *this ) )
 967     {
 968         FmFormView::DeleteMarked();
 969         ::FrameNotify( Imp().GetShell(), FLY_DRAG_END );
 970     }
 971
 972     // Only delete these now: earlier deletion would clear the mark list as well.
 973     // Delete in reverse order, assuming that the container is sorted by anchor positions.
 974     for (int i = aTextBoxesToDelete.size() - 1; i >= 0; --i)
 975     {
 976         SwFrameFormat*& rpTextBox = aTextBoxesToDelete[i];
 977         pDoc->getIDocumentLayoutAccess().DelLayoutFormat(rpTextBox);
 978     }
 979
 980     pDoc->GetIDocumentUndoRedo().EndUndo(SwUndoId::EMPTY, nullptr);
 981     if( pTmpRoot )
 982         pTmpRoot->EndAllAction();
 983 }
 984
 985 // support enhanced text edit for draw objects
 986 SdrUndoManager* SwDrawView::getSdrUndoManagerForEnhancedTextEdit() const
 987 {
 988     SwDoc* pDoc = Imp().GetShell()->GetDoc();
 989
 990     return pDoc ? dynamic_cast< SdrUndoManager* >(&(pDoc->GetUndoManager())) : nullptr;
 991 }
 992
 993 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */