Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 835 insertions, 0 deletions

diff --git a/svx/source/svdraw/svdogrp.cxx b/svx/source/svdraw/svdogrp.cxx
new file mode 100644
index 000000000..7fc8e0b12
--- /dev/null
+++ b/svx/source/svdraw/svdogrp.cxx
@@ -0,0 +1,835 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svx/svdogrp.hxx>
+
+#include <svx/svdmodel.hxx>
+#include <svx/svdpage.hxx>
+#include <svx/svdobj.hxx>
+#include <svx/svdtrans.hxx>
+#include <svx/dialmgr.hxx>
+#include <svx/strings.hrc>
+
+#include <sdr/properties/groupproperties.hxx>
+#include <sdr/contact/viewcontactofgroup.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <libxml/xmlwriter.h>
+#include <vcl/canvastools.hxx>
+#include <svx/diagram/IDiagramHelper.hxx>
+
+const std::shared_ptr< svx::diagram::IDiagramHelper >& SdrObjGroup::getDiagramHelper() const
+{
+    return mp_DiagramHelper;
+}
+
+// BaseProperties section
+std::unique_ptr<sdr::properties::BaseProperties> SdrObjGroup::CreateObjectSpecificProperties()
+{
+    return std::make_unique<sdr::properties::GroupProperties>(*this);
+}
+
+// DrawContact section
+std::unique_ptr<sdr::contact::ViewContact> SdrObjGroup::CreateObjectSpecificViewContact()
+{
+    return std::make_unique<sdr::contact::ViewContactOfGroup>(*this);
+}
+
+SdrObjGroup::SdrObjGroup(SdrModel& rSdrModel)
+: SdrObject(rSdrModel)
+, SdrObjList()
+, maRefPoint(0, 0)
+, mp_DiagramHelper()
+{
+    m_bClosedObj=false;
+}
+
+SdrObjGroup::SdrObjGroup(SdrModel& rSdrModel, SdrObjGroup const & rSource)
+: SdrObject(rSdrModel, rSource)
+, SdrObjList()
+, maRefPoint(0, 0)
+, mp_DiagramHelper()
+{
+    m_bClosedObj=false;
+
+    // copy child SdrObjects
+    if(nullptr != rSource.GetSubList())
+    {
+        // #i36404# Copy SubList, init model and page first
+        const SdrObjList& rSourceSubList(*rSource.GetSubList());
+
+        CopyObjects(rSourceSubList);
+
+        // tdf#116979: needed here, we need bSnapRectDirty to be true
+        // which it is after using SdrObject::operator= (see above),
+        // but set to false again using CopyObjects
+        SetBoundAndSnapRectsDirty();
+    }
+
+    // copy local parameters
+    maRefPoint  = rSource.maRefPoint;
+}
+
+void SdrObjGroup::AddToHdlList(SdrHdlList& rHdlList) const
+{
+    // only for diagram, so do nothing for just groups
+    if(!isDiagram())
+        return;
+
+    svx::diagram::IDiagramHelper::AddAdditionalVisualization(*this, rHdlList);
+}
+
+SdrObjGroup::~SdrObjGroup()
+{
+}
+
+SdrPage* SdrObjGroup::getSdrPageFromSdrObjList() const
+{
+    return getSdrPageFromSdrObject();
+}
+
+SdrObject* SdrObjGroup::getSdrObjectFromSdrObjList() const
+{
+    return const_cast< SdrObjGroup* >(this);
+}
+
+SdrObjList* SdrObjGroup::getChildrenOfSdrObject() const
+{
+    return const_cast< SdrObjGroup* >(this);
+}
+
+void SdrObjGroup::TakeObjInfo(SdrObjTransformInfoRec& rInfo) const
+{
+    rInfo.bNoContortion=false;
+    const size_t nObjCount(GetObjCount());
+    for (size_t i=0; i<nObjCount; ++i) {
+        SdrObject* pObj(GetObj(i));
+        SdrObjTransformInfoRec aInfo;
+        pObj->TakeObjInfo(aInfo);
+        if (!aInfo.bMoveAllowed            ) rInfo.bMoveAllowed            =false;
+        if (!aInfo.bResizeFreeAllowed      ) rInfo.bResizeFreeAllowed      =false;
+        if (!aInfo.bResizePropAllowed      ) rInfo.bResizePropAllowed      =false;
+        if (!aInfo.bRotateFreeAllowed      ) rInfo.bRotateFreeAllowed      =false;
+        if (!aInfo.bRotate90Allowed        ) rInfo.bRotate90Allowed        =false;
+        if (!aInfo.bMirrorFreeAllowed      ) rInfo.bMirrorFreeAllowed      =false;
+        if (!aInfo.bMirror45Allowed        ) rInfo.bMirror45Allowed        =false;
+        if (!aInfo.bMirror90Allowed        ) rInfo.bMirror90Allowed        =false;
+        if (!aInfo.bShearAllowed           ) rInfo.bShearAllowed           =false;
+        if (!aInfo.bEdgeRadiusAllowed      ) rInfo.bEdgeRadiusAllowed      =false;
+        if (!aInfo.bNoOrthoDesired         ) rInfo.bNoOrthoDesired         =false;
+        if (aInfo.bNoContortion            ) rInfo.bNoContortion           =true;
+        if (!aInfo.bCanConvToPath          ) rInfo.bCanConvToPath          =false;
+
+        if(!aInfo.bCanConvToContour)
+            rInfo.bCanConvToContour = false;
+
+        if (!aInfo.bCanConvToPoly          ) rInfo.bCanConvToPoly          =false;
+        if (!aInfo.bCanConvToPathLineToArea) rInfo.bCanConvToPathLineToArea=false;
+        if (!aInfo.bCanConvToPolyLineToArea) rInfo.bCanConvToPolyLineToArea=false;
+    }
+    if (nObjCount==0) {
+        rInfo.bRotateFreeAllowed=false;
+        rInfo.bRotate90Allowed  =false;
+        rInfo.bMirrorFreeAllowed=false;
+        rInfo.bMirror45Allowed  =false;
+        rInfo.bMirror90Allowed  =false;
+        rInfo.bTransparenceAllowed = false;
+        rInfo.bShearAllowed     =false;
+        rInfo.bEdgeRadiusAllowed=false;
+        rInfo.bNoContortion     =true;
+    }
+    if(nObjCount != 1)
+    {
+        // only allowed if single object selected
+        rInfo.bTransparenceAllowed = false;
+    }
+}
+
+void SdrObjGroup::SetBoundRectDirty()
+{
+    // avoid resetting aOutRect which in case of this object is model data,
+    // not re-creatable view data
+}
+
+SdrObjKind SdrObjGroup::GetObjIdentifier() const
+{
+    return SdrObjKind::Group;
+}
+
+SdrLayerID SdrObjGroup::GetLayer() const
+{
+    bool b1st = true;
+    SdrLayerID nLay = SdrObject::GetLayer();
+    const size_t nObjCount(GetObjCount());
+    for (size_t i=0; i<nObjCount; ++i) {
+        SdrLayerID nLay1(GetObj(i)->GetLayer());
+        if (b1st) { nLay=nLay1; b1st = false; }
+        else if (nLay1!=nLay) return SdrLayerID(0);
+    }
+    return nLay;
+}
+
+void SdrObjGroup::NbcSetLayer(SdrLayerID nLayer)
+{
+    SdrObject::NbcSetLayer(nLayer);
+    const size_t nObjCount(GetObjCount());
+    for (size_t i=0; i<nObjCount; ++i) {
+        GetObj(i)->NbcSetLayer(nLayer);
+    }
+}
+
+void SdrObjGroup::handlePageChange(SdrPage* pOldPage, SdrPage* pNewPage)
+{
+    // call parent
+    SdrObject::handlePageChange(pOldPage, pNewPage);
+
+    for(size_t i(0); i < GetObjCount(); i++)
+    {
+        GetObj(i)->handlePageChange(pOldPage, pNewPage);
+    }
+}
+
+SdrObjList* SdrObjGroup::GetSubList() const
+{
+    return const_cast< SdrObjGroup* >(this);
+}
+
+static bool containsOOXData(const css::uno::Any& rVal)
+{
+    const css::uno::Sequence<css::beans::PropertyValue>& propList(rVal.get< css::uno::Sequence<css::beans::PropertyValue> >());
+    for (const auto& rProp : std::as_const(propList))
+    {
+        if(rProp.Name.startsWith("OOX"))
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+void SdrObjGroup::SetGrabBagItem(const css::uno::Any& rVal)
+{
+    // detect if the intention is to disable Diagram functionality
+    if(isDiagram() && !containsOOXData(rVal))
+    {
+        css::uno::Any aOld;
+        GetGrabBagItem(aOld);
+
+        if(containsOOXData(aOld))
+        {
+            mp_DiagramHelper.reset();
+        }
+    }
+
+    // call parent
+    SdrObject::SetGrabBagItem(rVal);
+}
+
+const tools::Rectangle& SdrObjGroup::GetCurrentBoundRect() const
+{
+    // <aOutRect> has to contain the bounding rectangle
+    if(0 != GetObjCount())
+    {
+        m_aOutRect = GetAllObjBoundRect();
+    }
+
+    return m_aOutRect;
+}
+
+const tools::Rectangle& SdrObjGroup::GetSnapRect() const
+{
+    // <aOutRect> has to contain the bounding rectangle
+    if(0 != GetObjCount())
+    {
+        return GetAllObjSnapRect();
+    }
+    else
+    {
+        return m_aOutRect;
+    }
+}
+
+SdrObjGroup* SdrObjGroup::CloneSdrObject(SdrModel& rTargetModel) const
+{
+    return new SdrObjGroup(rTargetModel, *this);
+}
+
+OUString SdrObjGroup::TakeObjNameSingul() const
+{
+    OUString sName;
+
+    if(0 == GetObjCount())
+    {
+        sName = SvxResId(STR_ObjNameSingulGRUPEMPTY);
+    }
+    else
+    {
+        if(isDiagram())
+            sName = SvxResId(STR_ObjNameSingulDIAGRAM);
+        else
+            sName = SvxResId(STR_ObjNameSingulGRUP);
+    }
+
+    const OUString aName(GetName());
+
+    if (!aName.isEmpty())
+        sName += " '" + aName + "'";
+
+    return sName;
+}
+
+
+OUString SdrObjGroup::TakeObjNamePlural() const
+{
+    if(0 == GetObjCount())
+        return SvxResId(STR_ObjNamePluralGRUPEMPTY);
+    if(isDiagram())
+        return SvxResId(RID_GALLERYSTR_THEME_DIAGRAMS);
+    return SvxResId(STR_ObjNamePluralGRUP);
+}
+
+
+void SdrObjGroup::RecalcSnapRect()
+{
+    // TODO: unnecessary, because we use the Rects from the SubList
+}
+
+basegfx::B2DPolyPolygon SdrObjGroup::TakeXorPoly() const
+{
+    basegfx::B2DPolyPolygon aRetval;
+    const size_t nObjCount(GetObjCount());
+
+    for(size_t a = 0; a < nObjCount; ++a)
+    {
+        SdrObject* pObj(GetObj(a));
+        aRetval.append(pObj->TakeXorPoly());
+    }
+
+    if(!aRetval.count())
+    {
+        const basegfx::B2DRange aRange = vcl::unotools::b2DRectangleFromRectangle(m_aOutRect);
+        aRetval.append(basegfx::utils::createPolygonFromRect(aRange));
+    }
+
+    return aRetval;
+}
+
+bool SdrObjGroup::beginSpecialDrag(SdrDragStat& /*rDrag*/) const
+{
+    return false;
+}
+
+
+bool SdrObjGroup::BegCreate(SdrDragStat& /*rStat*/)
+{
+    return false;
+}
+
+
+Degree100 SdrObjGroup::GetRotateAngle() const
+{
+    Degree100 nRetval(0);
+
+    if(0 != GetObjCount())
+    {
+        SdrObject* pObj(GetObj(0));
+
+        nRetval = pObj->GetRotateAngle();
+    }
+
+    return nRetval;
+}
+
+
+Degree100 SdrObjGroup::GetShearAngle(bool /*bVertical*/) const
+{
+    Degree100 nRetval(0);
+
+    if(0 != GetObjCount())
+    {
+        SdrObject* pObj(GetObj(0));
+
+        nRetval = pObj->GetShearAngle();
+    }
+
+    return nRetval;
+}
+
+
+void SdrObjGroup::NbcSetSnapRect(const tools::Rectangle& rRect)
+{
+    tools::Rectangle aOld(GetSnapRect());
+    tools::Long nMulX=rRect.Right()-rRect.Left();
+    tools::Long nDivX=aOld.Right()-aOld.Left();
+    tools::Long nMulY=rRect.Bottom()-rRect.Top();
+    tools::Long nDivY=aOld.Bottom()-aOld.Top();
+    if (nDivX==0) { nMulX=1; nDivX=1; }
+    if (nDivY==0) { nMulY=1; nDivY=1; }
+    if (nMulX!=nDivX || nMulY!=nDivY) {
+        Fraction aX(nMulX,nDivX);
+        Fraction aY(nMulY,nDivY);
+        NbcResize(aOld.TopLeft(),aX,aY);
+    }
+    if (rRect.Left()!=aOld.Left() || rRect.Top()!=aOld.Top()) {
+        NbcMove(Size(rRect.Left()-aOld.Left(),rRect.Top()-aOld.Top()));
+    }
+}
+
+
+void SdrObjGroup::NbcSetLogicRect(const tools::Rectangle& rRect)
+{
+    NbcSetSnapRect(rRect);
+}
+
+
+void SdrObjGroup::NbcMove(const Size& rSiz)
+{
+    maRefPoint.Move(rSiz);
+    const size_t nObjCount(GetObjCount());
+
+    if(0 != nObjCount)
+    {
+        for (size_t i=0; i<nObjCount; ++i)
+        {
+            SdrObject* pObj(GetObj(i));
+            pObj->NbcMove(rSiz);
+        }
+    }
+    else
+    {
+        m_aOutRect.Move(rSiz);
+        SetBoundAndSnapRectsDirty();
+    }
+}
+
+
+void SdrObjGroup::NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact)
+{
+    bool bXMirr=(xFact.GetNumerator()<0) != (xFact.GetDenominator()<0);
+    bool bYMirr=(yFact.GetNumerator()<0) != (yFact.GetDenominator()<0);
+    if (bXMirr || bYMirr) {
+        Point aRef1(GetSnapRect().Center());
+        if (bXMirr) {
+            Point aRef2(aRef1);
+            aRef2.AdjustY( 1 );
+            NbcMirrorGluePoints(aRef1,aRef2);
+        }
+        if (bYMirr) {
+            Point aRef2(aRef1);
+            aRef2.AdjustX( 1 );
+            NbcMirrorGluePoints(aRef1,aRef2);
+        }
+    }
+
+    ResizePoint(maRefPoint, rRef, xFact, yFact);
+
+    const size_t nObjCount(GetObjCount());
+    if(0 != nObjCount)
+    {
+        for (size_t i=0; i<nObjCount; ++i)
+        {
+            SdrObject* pObj(GetObj(i));
+            pObj->NbcResize(rRef,xFact,yFact);
+        }
+    }
+    else
+    {
+        ResizeRect(m_aOutRect,rRef,xFact,yFact);
+        SetBoundAndSnapRectsDirty();
+    }
+}
+
+
+void SdrObjGroup::NbcRotate(const Point& rRef, Degree100 nAngle, double sn, double cs)
+{
+    SetGlueReallyAbsolute(true);
+    RotatePoint(maRefPoint, rRef, sn, cs);
+    const size_t nObjCount(GetObjCount());
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        pObj->NbcRotate(rRef,nAngle,sn,cs);
+    }
+
+    NbcRotateGluePoints(rRef,nAngle,sn,cs);
+    SetGlueReallyAbsolute(false);
+}
+
+
+void SdrObjGroup::NbcMirror(const Point& rRef1, const Point& rRef2)
+{
+    SetGlueReallyAbsolute(true);
+    MirrorPoint(maRefPoint, rRef1, rRef2); // implementation missing in SvdEtc!
+    const size_t nObjCount(GetObjCount());
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        pObj->NbcMirror(rRef1,rRef2);
+    }
+
+    NbcMirrorGluePoints(rRef1,rRef2);
+    SetGlueReallyAbsolute(false);
+}
+
+
+void SdrObjGroup::NbcShear(const Point& rRef, Degree100 nAngle, double tn, bool bVShear)
+{
+    SetGlueReallyAbsolute(true);
+    ShearPoint(maRefPoint, rRef, tn);
+    const size_t nObjCount(GetObjCount());
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        pObj->NbcShear(rRef,nAngle,tn,bVShear);
+    }
+
+    NbcShearGluePoints(rRef,tn,bVShear);
+    SetGlueReallyAbsolute(false);
+}
+
+
+void SdrObjGroup::NbcSetAnchorPos(const Point& rPnt)
+{
+    m_aAnchor=rPnt;
+    Size aSiz(rPnt.X()-m_aAnchor.X(),rPnt.Y()-m_aAnchor.Y());
+    maRefPoint.Move(aSiz);
+    const size_t nObjCount(GetObjCount());
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        pObj->NbcSetAnchorPos(rPnt);
+    }
+}
+
+
+void SdrObjGroup::SetSnapRect(const tools::Rectangle& rRect)
+{
+    tools::Rectangle aBoundRect0; if (m_pUserCall!=nullptr) aBoundRect0=GetLastBoundRect();
+    tools::Rectangle aOld(GetSnapRect());
+    if (aOld.IsEmpty())
+    {
+        Fraction aX(1,1);
+        Fraction aY(1,1);
+        Resize(aOld.TopLeft(),aX,aY);
+    }
+    else
+    {
+        tools::Long nMulX=rRect.Right()-rRect.Left();
+        tools::Long nDivX=aOld.Right()-aOld.Left();
+        tools::Long nMulY=rRect.Bottom()-rRect.Top();
+        tools::Long nDivY=aOld.Bottom()-aOld.Top();
+        if (nDivX==0) { nMulX=1; nDivX=1; }
+        if (nDivY==0) { nMulY=1; nDivY=1; }
+        if (nMulX!=nDivX || nMulY!=nDivY) {
+            Fraction aX(nMulX,nDivX);
+            Fraction aY(nMulY,nDivY);
+            Resize(aOld.TopLeft(),aX,aY);
+        }
+    }
+    if (rRect.Left()!=aOld.Left() || rRect.Top()!=aOld.Top()) {
+        Move(Size(rRect.Left()-aOld.Left(),rRect.Top()-aOld.Top()));
+    }
+
+    SetChanged();
+    BroadcastObjectChange();
+    SendUserCall(SdrUserCallType::Resize,aBoundRect0);
+}
+
+
+void SdrObjGroup::SetLogicRect(const tools::Rectangle& rRect)
+{
+    SetSnapRect(rRect);
+}
+
+
+void SdrObjGroup::Move(const Size& rSiz)
+{
+    if (rSiz.Width()==0 && rSiz.Height()==0)
+        return;
+
+    tools::Rectangle aBoundRect0; if (m_pUserCall!=nullptr) aBoundRect0=GetLastBoundRect();
+    maRefPoint.Move(rSiz);
+    const size_t nObjCount(GetObjCount());
+
+    if(0 != nObjCount)
+    {
+        // first move the connectors, then everything else
+        for (size_t i=0; i<nObjCount; ++i)
+        {
+            SdrObject* pObj(GetObj(i));
+            if (pObj->IsEdgeObj())
+                pObj->Move(rSiz);
+        }
+
+        for (size_t i=0; i<nObjCount; ++i)
+        {
+            SdrObject* pObj(GetObj(i));
+            if (!pObj->IsEdgeObj())
+                pObj->Move(rSiz);
+        }
+    }
+    else
+    {
+        m_aOutRect.Move(rSiz);
+        SetBoundAndSnapRectsDirty();
+    }
+
+    SetChanged();
+    BroadcastObjectChange();
+    SendUserCall(SdrUserCallType::MoveOnly,aBoundRect0);
+}
+
+
+void SdrObjGroup::Resize(const Point& rRef, const Fraction& xFact, const Fraction& yFact, bool bUnsetRelative)
+{
+    if (xFact.GetNumerator()==xFact.GetDenominator() && yFact.GetNumerator()==yFact.GetDenominator())
+        return;
+
+    bool bXMirr=(xFact.GetNumerator()<0) != (xFact.GetDenominator()<0);
+    bool bYMirr=(yFact.GetNumerator()<0) != (yFact.GetDenominator()<0);
+    if (bXMirr || bYMirr) {
+        Point aRef1(GetSnapRect().Center());
+        if (bXMirr) {
+            Point aRef2(aRef1);
+            aRef2.AdjustY( 1 );
+            NbcMirrorGluePoints(aRef1,aRef2);
+        }
+        if (bYMirr) {
+            Point aRef2(aRef1);
+            aRef2.AdjustX( 1 );
+            NbcMirrorGluePoints(aRef1,aRef2);
+        }
+    }
+    tools::Rectangle aBoundRect0; if (m_pUserCall!=nullptr) aBoundRect0=GetLastBoundRect();
+    ResizePoint(maRefPoint, rRef, xFact, yFact);
+    const size_t nObjCount(GetObjCount());
+
+    if(0 != nObjCount)
+    {
+        // move the connectors first, everything else afterwards
+        for (size_t i=0; i<nObjCount; ++i)
+        {
+            SdrObject* pObj(GetObj(i));
+            if (pObj->IsEdgeObj())
+                pObj->Resize(rRef,xFact,yFact,bUnsetRelative);
+        }
+
+        for (size_t i=0; i<nObjCount; ++i)
+        {
+            SdrObject* pObj(GetObj(i));
+            if (!pObj->IsEdgeObj())
+                pObj->Resize(rRef,xFact,yFact,bUnsetRelative);
+        }
+    }
+    else
+    {
+        ResizeRect(m_aOutRect,rRef,xFact,yFact);
+        SetBoundAndSnapRectsDirty();
+    }
+
+    SetChanged();
+    BroadcastObjectChange();
+    SendUserCall(SdrUserCallType::Resize,aBoundRect0);
+}
+
+
+void SdrObjGroup::Rotate(const Point& rRef, Degree100 nAngle, double sn, double cs)
+{
+    if (nAngle==0_deg100)
+        return;
+
+    SetGlueReallyAbsolute(true);
+    tools::Rectangle aBoundRect0; if (m_pUserCall!=nullptr) aBoundRect0=GetLastBoundRect();
+    RotatePoint(maRefPoint, rRef, sn, cs);
+    // move the connectors first, everything else afterwards
+    const size_t nObjCount(GetObjCount());
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        if (pObj->IsEdgeObj())
+            pObj->Rotate(rRef,nAngle,sn,cs);
+    }
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        if (!pObj->IsEdgeObj())
+            pObj->Rotate(rRef,nAngle,sn,cs);
+    }
+
+    NbcRotateGluePoints(rRef,nAngle,sn,cs);
+    SetGlueReallyAbsolute(false);
+    SetChanged();
+    BroadcastObjectChange();
+    SendUserCall(SdrUserCallType::Resize,aBoundRect0);
+}
+
+
+void SdrObjGroup::Mirror(const Point& rRef1, const Point& rRef2)
+{
+    SetGlueReallyAbsolute(true);
+    tools::Rectangle aBoundRect0; if (m_pUserCall!=nullptr) aBoundRect0=GetLastBoundRect();
+    MirrorPoint(maRefPoint, rRef1, rRef2); // implementation missing in SvdEtc!
+    // move the connectors first, everything else afterwards
+    const size_t nObjCount(GetObjCount());
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        if (pObj->IsEdgeObj())
+            pObj->Mirror(rRef1,rRef2);
+    }
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        if (!pObj->IsEdgeObj())
+            pObj->Mirror(rRef1,rRef2);
+    }
+
+    NbcMirrorGluePoints(rRef1,rRef2);
+    SetGlueReallyAbsolute(false);
+    SetChanged();
+    BroadcastObjectChange();
+    SendUserCall(SdrUserCallType::Resize,aBoundRect0);
+}
+
+
+void SdrObjGroup::Shear(const Point& rRef, Degree100 nAngle, double tn, bool bVShear)
+{
+    if (nAngle==0_deg100)
+        return;
+
+    SetGlueReallyAbsolute(true);
+    tools::Rectangle aBoundRect0; if (m_pUserCall!=nullptr) aBoundRect0=GetLastBoundRect();
+    ShearPoint(maRefPoint, rRef, tn);
+    // move the connectors first, everything else afterwards
+    const size_t nObjCount(GetObjCount());
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        if (pObj->IsEdgeObj())
+            pObj->Shear(rRef,nAngle,tn,bVShear);
+    }
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        if (!pObj->IsEdgeObj())
+            pObj->Shear(rRef,nAngle,tn,bVShear);
+    }
+
+    NbcShearGluePoints(rRef,tn,bVShear);
+    SetGlueReallyAbsolute(false);
+    SetChanged();
+    BroadcastObjectChange();
+    SendUserCall(SdrUserCallType::Resize,aBoundRect0);
+
+}
+
+
+void SdrObjGroup::SetAnchorPos(const Point& rPnt)
+{
+    tools::Rectangle aBoundRect0; if (m_pUserCall!=nullptr) aBoundRect0=GetLastBoundRect();
+    bool bChg=m_aAnchor!=rPnt;
+    m_aAnchor=rPnt;
+    Size aSiz(rPnt.X()-m_aAnchor.X(),rPnt.Y()-m_aAnchor.Y());
+    maRefPoint.Move(aSiz);
+    // move the connectors first, everything else afterwards
+    const size_t nObjCount(GetObjCount());
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        if (pObj->IsEdgeObj())
+            pObj->SetAnchorPos(rPnt);
+    }
+
+    for (size_t i=0; i<nObjCount; ++i)
+    {
+        SdrObject* pObj(GetObj(i));
+        if (!pObj->IsEdgeObj())
+            pObj->SetAnchorPos(rPnt);
+    }
+
+    if (bChg)
+    {
+        SetChanged();
+        BroadcastObjectChange();
+        SendUserCall(SdrUserCallType::MoveOnly,aBoundRect0);
+    }
+}
+
+
+void SdrObjGroup::NbcSetRelativePos(const Point& rPnt)
+{
+    Point aRelPos0(GetSnapRect().TopLeft()-m_aAnchor);
+    Size aSiz(rPnt.X()-aRelPos0.X(),rPnt.Y()-aRelPos0.Y());
+    NbcMove(aSiz); // this also calls SetRectsDirty()
+}
+
+void SdrObjGroup::SetRelativePos(const Point& rPnt)
+{
+    Point aRelPos0(GetSnapRect().TopLeft()-m_aAnchor);
+    Size aSiz(rPnt.X()-aRelPos0.X(),rPnt.Y()-aRelPos0.Y());
+    if (aSiz.Width()!=0 || aSiz.Height()!=0) Move(aSiz); // this also calls SetRectsDirty() and Broadcast, ...
+}
+
+void SdrObjGroup::NbcReformatText()
+{
+    NbcReformatAllTextObjects();
+}
+
+SdrObjectUniquePtr SdrObjGroup::DoConvertToPolyObj(bool bBezier, bool bAddText) const
+{
+    SdrObjectUniquePtr pGroup( new SdrObjGroup(getSdrModelFromSdrObject()) );
+    const size_t nObjCount(GetObjCount());
+
+    for(size_t a=0; a < nObjCount; ++a)
+    {
+        SdrObject* pIterObj(GetObj(a));
+        SdrObjectUniquePtr pResult(pIterObj->DoConvertToPolyObj(bBezier, bAddText));
+
+        // pResult can be NULL e.g. for empty objects
+        if( pResult )
+            pGroup->GetSubList()->NbcInsertObject(pResult.release());
+    }
+
+    return pGroup;
+}
+
+void SdrObjGroup::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SdrObjGroup"));
+    (void)xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("ptr"), "%p", this);
+
+    SdrObject::dumpAsXml(pWriter);
+    SdrObjList::dumpAsXml(pWriter);
+
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */