Quelle  svddrgmt.cxx   Sprache: C

/* -*- 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 "svddrgm1.hxx"
#include <math.h>

#include <o3tl/numeric.hxx>
#include <osl/diagnose.h>
#include <utility>
#include <vcl/canvastools.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <vcl/ptrstyle.hxx>
#include <svx/xpoly.hxx>
#include <svx/svdtrans.hxx>
#include <svx/svdundo.hxx>
#include <svx/svdmark.hxx>
#include <svx/svdpagv.hxx>
#include <svx/svddrgv.hxx>
#include <svx/svdograf.hxx>
#include <svx/strings.hrc>
#include <svx/dialmgr.hxx>
#include <svx/sdgcpitm.hxx>
#include <svx/sdooitm.hxx>
#include <svx/sdtagitm.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <svx/sdr/overlay/overlaymanager.hxx>
#include <sdr/overlay/overlayrollingrectangle.hxx>
#include <svx/sdrpagewindow.hxx>
#include <svx/sdrpaintwindow.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <svx/sdr/contact/viewcontact.hxx>
#include <svx/sdr/overlay/overlayprimitive2dsequenceobject.hxx>
#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
#include <svx/sdr/contact/objectcontact.hxx>
#include <svx/svditer.hxx>
#include <svx/svdopath.hxx>
#include <svx/polypolygoneditor.hxx>
#include <drawinglayer/primitive2d/PolygonMarkerPrimitive2D.hxx>
#include <drawinglayer/primitive2d/PolyPolygonSelectionPrimitive2D.hxx>
#include <drawinglayer/primitive2d/PolyPolygonMarkerPrimitive2D.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
#include <sdr/primitive2d/sdrattributecreator.hxx>
#include <sdr/primitive2d/sdrdecompositiontools.hxx>
#include <sdr/primitive2d/sdrprimitivetools.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <drawinglayer/attribute/sdrlineattribute.hxx>
#include <drawinglayer/attribute/sdrlinestartendattribute.hxx>
#include <svl/itempool.hxx>
#include <svtools/optionsdrawinglayer.hxx>
#include <officecfg/Office/Common.hxx>
#include <comphelper/lok.hxx>
#include <map>
#include <vector>


SdrDragEntry::SdrDragEntry()
:   mbAddToTransparent(false)
{
}

SdrDragEntry::~SdrDragEntry()
{
}


SdrDragEntryPolyPolygon::SdrDragEntryPolyPolygon(basegfx::B2DPolyPolygon aOriginalPolyPolygon)
:   maOriginalPolyPolygon(std::move(aOriginalPolyPolygon))
{
}

SdrDragEntryPolyPolygon::~SdrDragEntryPolyPolygon()
{
}

drawinglayer::primitive2d::Primitive2DContainer SdrDragEntryPolyPolygon::createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod, bool IsDragSizeValid)
{
    drawinglayer::primitive2d::Primitive2DContainer aRetval;

    if(maOriginalPolyPolygon.count())
    {
        basegfx::B2DPolyPolygon aCopy(maOriginalPolyPolygon);

        rDragMethod.applyCurrentTransformationToPolyPolygon(aCopy);
        basegfx::BColor aColA(SvtOptionsDrawinglayer::GetStripeColorA().getBColor());
        basegfx::BColor aColB(SvtOptionsDrawinglayer::GetStripeColorB().getBColor());
        const double fStripeLength(officecfg::Office::Common::Drawinglayer::StripeLength::get());

        if(Application::GetSettings().GetStyleSettings().GetHighContrastMode())
        {
            aColA = aColB = Application::GetSettings().GetStyleSettings().GetHighlightColor().getBColor();
            aColB.invert();
        }

        aRetval.resize(2);
        aRetval[0] = new drawinglayer::primitive2d::PolyPolygonMarkerPrimitive2D(
            aCopy,
            aColA,
            aColB,
            fStripeLength);

        basegfx::BColor aHilightColor;
        if (IsDragSizeValid)
            aHilightColor = SvtOptionsDrawinglayer::getHilightColor().getBColor();
        else
            aHilightColor = basegfx::BColor(1.0, 0, 0);

        const double fTransparence(SvtOptionsDrawinglayer::GetTransparentSelectionPercent() * 0.01);
        aRetval[1] = new drawinglayer::primitive2d::PolyPolygonSelectionPrimitive2D(
            std::move(aCopy),
            aHilightColor,
            fTransparence,
            3.0,
            false);
    }

    return aRetval;
}


SdrDragEntrySdrObject::SdrDragEntrySdrObject(
    const SdrObject& rOriginal,
    bool bModify)
:   maOriginal(rOriginal),
    mbModify(bModify)
{
    // add SdrObject parts to transparent overlay stuff
    setAddToTransparent(true);
}

SdrDragEntrySdrObject::~SdrDragEntrySdrObject()
{
}

void SdrDragEntrySdrObject::prepareCurrentState(SdrDragMethod& rDragMethod)
{
    // for the moment, i need to re-create the clone in all cases. I need to figure
    // out when clone and original have the same class, so that i can use operator=
    // in those cases

    mxClone.clear();

    if(mbModify)
    {
        mxClone = maOriginal.getFullDragClone();

        // apply original transformation, implemented at the DragMethods
        rDragMethod.applyCurrentTransformationToSdrObject(*mxClone);
    }
}

drawinglayer::primitive2d::Primitive2DContainer SdrDragEntrySdrObject::createPrimitive2DSequenceInCurrentState(SdrDragMethod&, bool /* IsDragSizeValid */)
{
    const SdrObject* pSource = &maOriginal;

    if(mbModify && mxClone)
    {
        // choose source for geometry data
        pSource = mxClone.get();
    }

    // use the view-independent primitive representation (without
    // evtl. GridOffset, that may be applied to the DragEntry individually)
    drawinglayer::primitive2d::Primitive2DContainer xRetval;
    pSource->GetViewContact().getViewIndependentPrimitive2DContainer(xRetval);
    return xRetval;
}


SdrDragEntryPrimitive2DSequence::SdrDragEntryPrimitive2DSequence(
    drawinglayer::primitive2d::Primitive2DContainer&& rSequence)
:   maPrimitive2DSequence(std::move(rSequence))
{
    // add parts to transparent overlay stuff if necessary
    setAddToTransparent(true);
}

SdrDragEntryPrimitive2DSequence::~SdrDragEntryPrimitive2DSequence()
{
}

drawinglayer::primitive2d::Primitive2DContainer SdrDragEntryPrimitive2DSequence::createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod, bool /* IsDragSizeValid */)
{
    return drawinglayer::primitive2d::Primitive2DContainer {
            new drawinglayer::primitive2d::TransformPrimitive2D(
                rDragMethod.getCurrentTransformation(),
                drawinglayer::primitive2d::Primitive2DContainer(maPrimitive2DSequence))
    };
}

SdrDragEntryPointGlueDrag::SdrDragEntryPointGlueDrag(std::vector< basegfx::B2DPoint >&& rPositions, bool bIsPointDrag)
:   maPositions(std::move(rPositions)),
    mbIsPointDrag(bIsPointDrag)
{
    // add SdrObject parts to transparent overlay stuff
    setAddToTransparent(true);
}

SdrDragEntryPointGlueDrag::~SdrDragEntryPointGlueDrag()
{
}

drawinglayer::primitive2d::Primitive2DContainer SdrDragEntryPointGlueDrag::createPrimitive2DSequenceInCurrentState(SdrDragMethod& rDragMethod, bool /* IsDragSizeValid */)
{
    drawinglayer::primitive2d::Primitive2DContainer aRetval;

    if(!maPositions.empty())
    {
        basegfx::B2DPolygon aPolygon;

        for(auto const & a: maPositions)
        {
            aPolygon.append(a);
        }

        basegfx::B2DPolyPolygon aPolyPolygon(aPolygon);

        rDragMethod.applyCurrentTransformationToPolyPolygon(aPolyPolygon);

        const basegfx::B2DPolygon aTransformed(aPolyPolygon.getB2DPolygon(0));
        std::vector< basegfx::B2DPoint > aTransformedPositions;

        aTransformedPositions.reserve(aTransformed.count());

        for(sal_uInt32 a = 0; a < aTransformed.count(); a++)
        {
            aTransformedPositions.push_back(aTransformed.getB2DPoint(a));
        }

        if(mbIsPointDrag)
        {
            basegfx::BColor aColor(SvtOptionsDrawinglayer::GetStripeColorA().getBColor());

            if(Application::GetSettings().GetStyleSettings().GetHighContrastMode())
            {
                aColor = Application::GetSettings().GetStyleSettings().GetHighlightColor().getBColor();
            }

            aRetval = drawinglayer::primitive2d::Primitive2DContainer {
                    new drawinglayer::primitive2d::MarkerArrayPrimitive2D(std::move(aTransformedPositions),
                        drawinglayer::primitive2d::createDefaultCross_3x3(aColor))
            };
        }
        else
        {
            aRetval = drawinglayer::primitive2d::Primitive2DContainer {
                    new drawinglayer::primitive2d::MarkerArrayPrimitive2D(std::move(aTransformedPositions),
                                                                          SdrHdl::createGluePointBitmap())
             };
        }
    }

    return aRetval;
}


void SdrDragMethod::resetSdrDragEntries()
{
    // clear entries; creation is on demand
    clearSdrDragEntries();
}

basegfx::B2DRange SdrDragMethod::getCurrentRange() const
{
    return maOverlayObjectList.getBaseRange();
}

void SdrDragMethod::clearSdrDragEntries()
{
    maSdrDragEntries.clear();
}

void SdrDragMethod::addSdrDragEntry(std::unique_ptr<SdrDragEntry> pNew)
{
    assert(pNew);
    maSdrDragEntries.push_back(std::move(pNew));
}

void SdrDragMethod::createSdrDragEntries()
{
    if(!(getSdrDragView().GetSdrPageView() && getSdrDragView().GetSdrPageView()->HasMarkedObjPageView()))
        return;

    if(getSdrDragView().IsDraggingPoints())
    {
        createSdrDragEntries_PointDrag();
    }
    else if(getSdrDragView().IsDraggingGluePoints())
    {
        createSdrDragEntries_GlueDrag();
    }
    else
    {
        if(getSolidDraggingActive())
        {
            createSdrDragEntries_SolidDrag();
        }
        else
        {
            createSdrDragEntries_PolygonDrag();
        }
    }
}

void SdrDragMethod::createSdrDragEntryForSdrObject(const SdrObject& rOriginal)
{
    // add full object drag; Clone() at the object has to work
    // for this
    addSdrDragEntry(std::unique_ptr<SdrDragEntry>(new SdrDragEntrySdrObject(rOriginal, true/*bModify*/)));
}

void SdrDragMethod::insertNewlyCreatedOverlayObjectForSdrDragMethod(
    std::unique_ptr<sdr::overlay::OverlayObject> pOverlayObject,
    const sdr::contact::ObjectContact& rObjectContact,
    sdr::overlay::OverlayManager& rOverlayManager)
{
    // check if we have an OverlayObject
    if(!pOverlayObject)
    {
        return;
    }

    // add to OverlayManager
    rOverlayManager.add(*pOverlayObject);

    // Add GridOffset for non-linear ViewToDevice transformation (calc)
    if(rObjectContact.supportsGridOffsets())
    {
        const basegfx::B2DRange& rNewRange(pOverlayObject->getBaseRange());

        if(!rNewRange.isEmpty())
        {
            basegfx::B2DVector aOffset(0.0, 0.0);
            rObjectContact.calculateGridOffsetForB2DRange(aOffset, rNewRange);

            if(!aOffset.equalZero())
            {
                pOverlayObject->setOffset(aOffset);
            }
        }
    }

    // add to local OverlayObjectList - ownership change (!)
    maOverlayObjectList.append(std::move(pOverlayObject));
}

void SdrDragMethod::createSdrDragEntries_SolidDrag()
{
    const SdrMarkList& rMarkList = getSdrDragView().GetMarkedObjectList();
    const size_t nMarkCount(rMarkList.GetMarkCount());
    SdrPageView* pPV = getSdrDragView().GetSdrPageView();

    if(!pPV)
        return;

    for(size_t a = 0; a < nMarkCount; ++a)
    {
        SdrMark* pM = rMarkList.GetMark(a);

        if(pM->GetPageView() == pPV)
        {
            const SdrObject* pObject = pM->GetMarkedSdrObj();

            if(pObject)
            {
                if(pPV->PageWindowCount())
                {
                    SdrObjListIter aIter(*pObject);

                    while(aIter.IsMore())
                    {
                        SdrObject* pCandidate = aIter.Next();

                        if(pCandidate)
                        {
                            const bool bSuppressFullDrag(!pCandidate->supportsFullDrag());
                            bool bAddWireframe(bSuppressFullDrag);

                            if(!bAddWireframe && !pCandidate->HasLineStyle())
                            {
                                // add wireframe for objects without outline
                                bAddWireframe = true;
                            }

                            if(!bSuppressFullDrag)
                            {
                                // add full object drag; Clone() at the object has to work
                                // for this
                                createSdrDragEntryForSdrObject(*pCandidate);
                            }

                            if(bAddWireframe)
                            {
                                // when dragging a 50% transparent copy of a filled or not filled object without
                                // outline, this is normally hard to see. Add extra wireframe in that case. This
                                // works nice e.g. with text frames etc.
                                addSdrDragEntry(std::unique_ptr<SdrDragEntry>(new SdrDragEntryPolyPolygon(pCandidate->TakeXorPoly())));
                            }
                        }
                    }
                }
            }
        }
    }
}

void SdrDragMethod::createSdrDragEntries_PolygonDrag()
{
    const SdrMarkList& rMarkList = getSdrDragView().GetMarkedObjectList();
    const size_t nMarkCount(rMarkList.GetMarkCount());
    bool bNoPolygons(getSdrDragView().IsNoDragXorPolys() || nMarkCount > SdrDragView::GetDragXorPolyLimit());
    basegfx::B2DPolyPolygon aResult;
    sal_uInt32 nPointCount(0);

    for(size_t a = 0; !bNoPolygons && a < nMarkCount; ++a)
    {
        SdrMark* pM = rMarkList.GetMark(a);

        if(pM->GetPageView() == getSdrDragView().GetSdrPageView())
        {
            const basegfx::B2DPolyPolygon aNewPolyPolygon(pM->GetMarkedSdrObj()->TakeXorPoly());

            for(auto const& rPolygon : aNewPolyPolygon)
            {
                nPointCount += rPolygon.count();
            }

            if(nPointCount > SdrDragView::GetDragXorPointLimit())
            {
                bNoPolygons = true;
            }

            if(!bNoPolygons)
            {
                aResult.append(aNewPolyPolygon);
            }
        }
    }

    if(bNoPolygons)
    {
        const tools::Rectangle aR(getSdrDragView().GetSdrPageView()->MarkSnap());
        const basegfx::B2DRange aNewRectangle = vcl::unotools::b2DRectangleFromRectangle(aR);
        basegfx::B2DPolygon aNewPolygon(basegfx::utils::createPolygonFromRect(aNewRectangle));

        aResult = basegfx::B2DPolyPolygon(basegfx::utils::expandToCurve(aNewPolygon));
    }

    if(aResult.count())
    {
        addSdrDragEntry(std::unique_ptr<SdrDragEntry>(new SdrDragEntryPolyPolygon(std::move(aResult))));
    }
}

void SdrDragMethod::createSdrDragEntries_PointDrag()
{
    const SdrMarkList& rMarkList = getSdrDragView().GetMarkedObjectList();
    const size_t nMarkCount(rMarkList.GetMarkCount());
    std::vector< basegfx::B2DPoint > aPositions;

    for(size_t nm = 0; nm < nMarkCount; ++nm)
    {
        SdrMark* pM = rMarkList.GetMark(nm);

        if(pM->GetPageView() == getSdrDragView().GetSdrPageView())
        {
            const SdrUShortCont& rPts = pM->GetMarkedPoints();

            if (!rPts.empty())
            {
                const SdrObject* pObj = pM->GetMarkedSdrObj();
                const SdrPathObj* pPath = dynamic_cast< const SdrPathObj* >(pObj);

                if(pPath)
                {
                    const basegfx::B2DPolyPolygon& aPathXPP = pPath->GetPathPoly();

                    if(aPathXPP.count())
                    {
                        for(const sal_uInt16 nObjPt : rPts)
                        {
                            sal_uInt32 nPolyNum, nPointNum;

                            if(sdr::PolyPolygonEditor::GetRelativePolyPoint(aPathXPP, nObjPt, nPolyNum, nPointNum))
                            {
                                aPositions.push_back(aPathXPP.getB2DPolygon(nPolyNum).getB2DPoint(nPointNum));
                            }
                        }
                    }
                }
            }
        }
    }

    if(!aPositions.empty())
    {
        addSdrDragEntry(std::unique_ptr<SdrDragEntry>(new SdrDragEntryPointGlueDrag(std::move(aPositions), true)));
    }
}

void SdrDragMethod::createSdrDragEntries_GlueDrag()
{
    const SdrMarkList& rMarkList = getSdrDragView().GetMarkedObjectList();
    const size_t nMarkCount(rMarkList.GetMarkCount());
    std::vector< basegfx::B2DPoint > aPositions;

    for(size_t nm = 0; nm < nMarkCount; ++nm)
    {
        SdrMark* pM = rMarkList.GetMark(nm);

        if(pM->GetPageView() == getSdrDragView().GetSdrPageView())
        {
            const SdrUShortCont& rPts = pM->GetMarkedGluePoints();

            if (!rPts.empty())
            {
                const SdrObject* pObj = pM->GetMarkedSdrObj();
                const SdrGluePointList* pGPL = pObj->GetGluePointList();

                if (pGPL)
                {
                    for(const sal_uInt16 nObjPt : rPts)
                    {
                        const sal_uInt16 nGlueNum(pGPL->FindGluePoint(nObjPt));

                        if(SDRGLUEPOINT_NOTFOUND != nGlueNum)
                        {
                            const Point aPoint((*pGPL)[nGlueNum].GetAbsolutePos(*pObj));
                            aPositions.emplace_back(aPoint.X(), aPoint.Y());
                        }
                    }
                }
            }
        }
    }

    if(!aPositions.empty())
    {
        addSdrDragEntry(std::unique_ptr<SdrDragEntry>(new SdrDragEntryPointGlueDrag(std::move(aPositions), false)));
    }
}

OUString SdrDragMethod::ImpGetDescriptionStr(TranslateId pStrCacheID) const
{
    ImpGetDescriptionOptions nOpt=ImpGetDescriptionOptions::NONE;
    if (IsDraggingPoints()) {
        nOpt=ImpGetDescriptionOptions::POINTS;
    } else if (IsDraggingGluePoints()) {
        nOpt=ImpGetDescriptionOptions::GLUEPOINTS;
    }
    return getSdrDragView().ImpGetDescriptionString(pStrCacheID, nOpt);
}

SdrObject* SdrDragMethod::GetDragObj() const
{
    SdrObject* pObj=nullptr;
    if (getSdrDragView().mpDragHdl!=nullptr) pObj=getSdrDragView().mpDragHdl->GetObj();
    if (pObj==nullptr) pObj=getSdrDragView().mpMarkedObj;
    return pObj;
}

SdrPageView* SdrDragMethod::GetDragPV() const
{
    SdrPageView* pPV=nullptr;
    if (getSdrDragView().mpDragHdl!=nullptr) pPV=getSdrDragView().mpDragHdl->GetPageView();
    if (pPV==nullptr) pPV=getSdrDragView().mpMarkedPV;
    return pPV;
}

void SdrDragMethod::applyCurrentTransformationToSdrObject(SdrObject& rTarget)
{
    // the original applies the transformation using TRGetBaseGeometry/TRSetBaseGeometry.
    // Later this should be the only needed one for linear transforms (not for SdrDragCrook and
    // SdrDragDistort, those are NOT linear). Currently, this can not yet be used since the
    // special handling of rotate/mirror due to the not-being-able to handle it in the old
    // drawinglayer stuff. Text would currently not correctly be mirrored in the preview.
    basegfx::B2DHomMatrix aObjectTransform;
    basegfx::B2DPolyPolygon aObjectPolyPolygon;
    bool bPolyUsed(rTarget.TRGetBaseGeometry(aObjectTransform, aObjectPolyPolygon));

    // apply transform to object transform
    aObjectTransform *= getCurrentTransformation();

    if(bPolyUsed)
    {
        // do something special since the object size is in the polygon
        // break up matrix to get the scale
        const basegfx::utils::B2DHomMatrixBufferedDecompose aTmpDecomp(aObjectTransform);

        // get polygon's position and size
        const basegfx::B2DRange aPolyRange(aObjectPolyPolygon.getB2DRange());

        // get the scaling factors (do not mirror, this is in the object transformation)
        const double fScaleX(fabs(aTmpDecomp.getScale().getX()) / (basegfx::fTools::equalZero(aPolyRange.getWidth()) ? 1.0 : aPolyRange.getWidth()));
        const double fScaleY(fabs(aTmpDecomp.getScale().getY()) / (basegfx::fTools::equalZero(aPolyRange.getHeight()) ? 1.0 : aPolyRange.getHeight()));

        // prepare transform matrix for polygon
        basegfx::B2DHomMatrix aPolyTransform(
            basegfx::utils::createTranslateB2DHomMatrix(
                -aPolyRange.getMinX(),
                -aPolyRange.getMinY()));
        aPolyTransform.scale(fScaleX, fScaleY);

        // transform the polygon
        aObjectPolyPolygon.transform(aPolyTransform);
    }

    rTarget.TRSetBaseGeometry(getCurrentTransformation() * aObjectTransform, aObjectPolyPolygon);
}

void SdrDragMethod::applyCurrentTransformationToPolyPolygon(basegfx::B2DPolyPolygon& rTarget)
{
    // original uses CurrentTransformation
    rTarget.transform(getCurrentTransformation());
}

SdrDragMethod::SdrDragMethod(SdrDragView& rNewView)
:   mrSdrDragView(rNewView),
    mbMoveOnly(false),
    mbSolidDraggingActive(getSdrDragView().IsSolidDragging()),
    mbShiftPressed(false)
{
    if(mbSolidDraggingActive && Application::GetSettings().GetStyleSettings().GetHighContrastMode())
    {
        // fallback to wireframe when high contrast is used
        mbSolidDraggingActive = false;
    }
}

SdrDragMethod::~SdrDragMethod()
{
    clearSdrDragEntries();
}

void SdrDragMethod::Show(bool IsValidSize)
{
    getSdrDragView().ShowDragObj(IsValidSize);
}

void SdrDragMethod::Hide()
{
    getSdrDragView().HideDragObj();
}

basegfx::B2DHomMatrix SdrDragMethod::getCurrentTransformation() const
{
    return basegfx::B2DHomMatrix();
}

void SdrDragMethod::CancelSdrDrag()
{
    Hide();
}

typedef std::map< const SdrObject*, SdrObject* > SdrObjectAndCloneMap;

void SdrDragMethod::CreateOverlayGeometry(
    sdr::overlay::OverlayManager& rOverlayManager,
    const sdr::contact::ObjectContact& rObjectContact, bool bIsGeometrySizeValid)
{
    // We do client-side object manipulation with the Kit API
    if (comphelper::LibreOfficeKit::isActive())
        return;

    // create SdrDragEntries on demand
    if(maSdrDragEntries.empty())
    {
        createSdrDragEntries();
    }

    // if there are entries, derive OverlayObjects from the entries, including
    // modification from current interactive state
    if(!maSdrDragEntries.empty())
    {
        // #i54102# SdrDragEntrySdrObject creates clones of SdrObjects as base for creating the needed
        // primitives, holding the original and the clone. If connectors (Edges) are involved,
        // the cloned connectors need to be connected to the cloned SdrObjects (after cloning
        // they are connected to the original SdrObjects). To do so, trigger the preparation
        // steps for SdrDragEntrySdrObject, save an association of (orig, clone) in a helper
        // and evtl. remember if it was an edge
        SdrObjectAndCloneMap aOriginalAndClones;
        std::vector< SdrEdgeObj* > aEdges;

        // #i54102# execute prepareCurrentState for all SdrDragEntrySdrObject, register pair of original and
        // clone, remember edges
        for(auto const & a: maSdrDragEntries)
        {
            SdrDragEntrySdrObject* pSdrDragEntrySdrObject = dynamic_cast< SdrDragEntrySdrObject*>(a.get());

            if(pSdrDragEntrySdrObject)
            {
                pSdrDragEntrySdrObject->prepareCurrentState(*this);

                SdrEdgeObj* pSdrEdgeObj = dynamic_cast< SdrEdgeObj* >(pSdrDragEntrySdrObject->getClone());

                if(pSdrEdgeObj)
                {
                    aEdges.push_back(pSdrEdgeObj);
                }

                if(pSdrDragEntrySdrObject->getClone())
                {
                    aOriginalAndClones[&pSdrDragEntrySdrObject->getOriginal()] = pSdrDragEntrySdrObject->getClone();
                }
            }
        }

        // #i54102# if there are edges, reconnect their ends to the corresponding clones (if found)
        for(SdrEdgeObj* pSdrEdgeObj: aEdges)
        {
            SdrObject* pConnectedTo = pSdrEdgeObj->GetConnectedNode(true);

            if(pConnectedTo)
            {
                SdrObjectAndCloneMap::iterator aEntry = aOriginalAndClones.find(pConnectedTo);

                if(aEntry != aOriginalAndClones.end())
                {
                    pSdrEdgeObj->ConnectToNode(true, aEntry->second);
                }
            }

            pConnectedTo = pSdrEdgeObj->GetConnectedNode(false);

            if(pConnectedTo)
            {
                SdrObjectAndCloneMap::iterator aEntry = aOriginalAndClones.find(pConnectedTo);

                if(aEntry != aOriginalAndClones.end())
                {
                    pSdrEdgeObj->ConnectToNode(false, aEntry->second);
                }
            }
        }

        // collect primitives for visualisation
        drawinglayer::primitive2d::Primitive2DContainer aResult;
        drawinglayer::primitive2d::Primitive2DContainer aResultTransparent;

        for(auto & pCandidate: maSdrDragEntries)
        {
            const drawinglayer::primitive2d::Primitive2DContainer aCandidateResult(
                    pCandidate->createPrimitive2DSequenceInCurrentState(*this, bIsGeometrySizeValid));

            if(!aCandidateResult.empty())
            {
                if(pCandidate->getAddToTransparent())
                {
                    aResultTransparent.append(aCandidateResult);
                }
                else
                {
                    aResult.append(aCandidateResult);
                }
            }
        }

        if(DoAddConnectorOverlays())
        {
            drawinglayer::primitive2d::Primitive2DContainer aConnectorOverlays(AddConnectorOverlays());

            if(!aConnectorOverlays.empty())
            {
                // add connector overlays to transparent part
                aResultTransparent.append(std::move(aConnectorOverlays));
            }
        }

        if(!aResult.empty())
        {
            std::unique_ptr<sdr::overlay::OverlayObject> pNewOverlayObject(
                new sdr::overlay::OverlayPrimitive2DSequenceObject(
                    std::move(aResult)));

            insertNewlyCreatedOverlayObjectForSdrDragMethod(
                std::move(pNewOverlayObject),
                rObjectContact,
                rOverlayManager);
        }

        if(!aResultTransparent.empty())
        {
            aResultTransparent = drawinglayer::primitive2d::Primitive2DContainer {
                new drawinglayer::primitive2d::UnifiedTransparencePrimitive2D(std::move(aResultTransparent), 0.5)
            };

            std::unique_ptr<sdr::overlay::OverlayObject> pNewOverlayObject(
                new sdr::overlay::OverlayPrimitive2DSequenceObject(
                    std::move(aResultTransparent)));

            insertNewlyCreatedOverlayObjectForSdrDragMethod(
                std::move(pNewOverlayObject),
                rObjectContact,
                rOverlayManager);
        }
    }

    // add DragStripes if necessary (help lines cross the page when dragging)
    if(!getSdrDragView().IsDragStripes())
        return;

    tools::Rectangle aActionRectangle;
    getSdrDragView().TakeActionRect(aActionRectangle);

    const basegfx::B2DPoint aTopLeft(aActionRectangle.Left(), aActionRectangle.Top());
    const basegfx::B2DPoint aBottomRight(aActionRectangle.Right(), aActionRectangle.Bottom());
    std::unique_ptr<sdr::overlay::OverlayRollingRectangleStriped> pNew(
        new sdr::overlay::OverlayRollingRectangleStriped(
            aTopLeft,
            aBottomRight,
            true,
            false));

    insertNewlyCreatedOverlayObjectForSdrDragMethod(
        std::move(pNew),
        rObjectContact,
        rOverlayManager);
}

void SdrDragMethod::destroyOverlayGeometry()
{
    maOverlayObjectList.clear();
}

bool SdrDragMethod::DoAddConnectorOverlays()
{
    // these conditions are translated from SdrDragView::ImpDrawEdgeXor
    const SdrMarkList& rMarkedNodes = getSdrDragView().GetEdgesOfMarkedNodes();

    if(!rMarkedNodes.GetMarkCount())
    {
        return false;
    }

    if(getSdrDragView().IsDraggingPoints() || getSdrDragView().IsDraggingGluePoints())
    {
        return false;
    }

    if(!getMoveOnly() && !(
        dynamic_cast<const SdrDragMove*>(this) != nullptr || dynamic_cast<const SdrDragResize*>(this) != nullptr ||
        dynamic_cast<const SdrDragRotate*>(this) != nullptr || dynamic_cast<const SdrDragMirror*>(this) != nullptr ))
    {
        return false;
    }

    // one more migrated from SdrEdgeObj::NspToggleEdgeXor
    if( dynamic_cast< const SdrDragObjOwn* >(this) != nullptr || dynamic_cast< const SdrDragMovHdl* >(this) != nullptr )
    {
        return false;
    }

    return true;
}

drawinglayer::primitive2d::Primitive2DContainer SdrDragMethod::AddConnectorOverlays()
{
    drawinglayer::primitive2d::Primitive2DContainer aRetval;
    const bool bDetail(getMoveOnly());
    const SdrMarkList& rMarkedNodes = getSdrDragView().GetEdgesOfMarkedNodes();

    for(size_t a = 0; a < rMarkedNodes.GetMarkCount(); ++a)
    {
        SdrMark* pEM = rMarkedNodes.GetMark(a);

        if(pEM && pEM->GetMarkedSdrObj())
        {
            SdrEdgeObj* pEdge = dynamic_cast< SdrEdgeObj* >(pEM->GetMarkedSdrObj());

            if(pEdge)
            {
                basegfx::B2DPolygon aEdgePolygon(pEdge->ImplAddConnectorOverlay(*this, pEM->IsCon1(), pEM->IsCon2(), bDetail));

                if(aEdgePolygon.count())
                {
                    // this polygon is a temporary calculated connector path, so it is not possible to fetch
                    // the needed primitives directly from the pEdge object which does not get changed. If full
                    // drag is on, use the SdrObjects ItemSet to create an adequate representation
                    bool bUseSolidDragging(getSolidDraggingActive());

                    if(bUseSolidDragging)
                    {
                        // switch off solid dragging if connector is not visible
                        if(!pEdge->HasLineStyle())
                        {
                            bUseSolidDragging = false;
                        }
                    }

                    if(bUseSolidDragging)
                    {
                        const SfxItemSet& rItemSet = pEdge->GetMergedItemSet();
                        const drawinglayer::attribute::SdrLineAttribute aLine(
                            drawinglayer::primitive2d::createNewSdrLineAttribute(rItemSet));

                        if(!aLine.isDefault())
                        {
                            const drawinglayer::attribute::SdrLineStartEndAttribute aLineStartEnd(
                                drawinglayer::primitive2d::createNewSdrLineStartEndAttribute(
                                    rItemSet,
                                    aLine.getWidth()));

                            aRetval.push_back(drawinglayer::primitive2d::createPolygonLinePrimitive(
                                    aEdgePolygon,
                                    aLine,
                                    aLineStartEnd));
                        }
                    }
                    else
                    {
                        basegfx::BColor aColA(SvtOptionsDrawinglayer::GetStripeColorA().getBColor());
                        basegfx::BColor aColB(SvtOptionsDrawinglayer::GetStripeColorB().getBColor());
                        const double fStripeLength(officecfg::Office::Common::Drawinglayer::StripeLength::get());

                        if(Application::GetSettings().GetStyleSettings().GetHighContrastMode())
                        {
                            aColA = aColB = Application::GetSettings().GetStyleSettings().GetHighlightColor().getBColor();
                            aColB.invert();
                        }

                        drawinglayer::primitive2d::Primitive2DReference aPolyPolygonMarkerPrimitive2D(
                            new drawinglayer::primitive2d::PolygonMarkerPrimitive2D(
                                std::move(aEdgePolygon), aColA, aColB, fStripeLength));
                        aRetval.push_back(aPolyPolygonMarkerPrimitive2D);
                    }
                }
            }
        }
    }

    return aRetval;
}


SdrDragMovHdl::SdrDragMovHdl(SdrDragView& rNewView)
:   SdrDragMethod(rNewView)
{
}

void SdrDragMovHdl::createSdrDragEntries()
{
    // SdrDragMovHdl does not use the default drags,
    // but creates nothing
}

OUString SdrDragMovHdl::GetSdrDragComment() const
{
    OUString aStr=SvxResId(STR_DragMethMovHdl);
    if (getSdrDragView().IsDragWithCopy()) aStr+=SvxResId(STR_EditWithCopy);
    return aStr;
}

bool SdrDragMovHdl::BeginSdrDrag()
{
    if( !GetDragHdl() )
        return false;

    DragStat().SetRef1(GetDragHdl()->GetPos());
    DragStat().SetShown(!DragStat().IsShown());
    SdrHdlKind eKind=GetDragHdl()->GetKind();
    SdrHdl* pH1=GetHdlList().GetHdl(SdrHdlKind::Ref1);
    SdrHdl* pH2=GetHdlList().GetHdl(SdrHdlKind::Ref2);

    if (eKind==SdrHdlKind::MirrorAxis)
    {
        if (pH1==nullptr || pH2==nullptr)
        {
            OSL_FAIL("SdrDragMovHdl::BeginSdrDrag(): Moving the axis of reflection: reference handles not found.");
            return false;
        }

        DragStat().SetActionRect(tools::Rectangle(pH1->GetPos(),pH2->GetPos()));
    }
    else
    {
        Point aPt(GetDragHdl()->GetPos());
        DragStat().SetActionRect(tools::Rectangle(aPt,aPt));
    }

    return true;
}

void SdrDragMovHdl::MoveSdrDrag(const Point& rNoSnapPnt)
{
    Point aPnt(rNoSnapPnt);

    if ( !(GetDragHdl() && DragStat().CheckMinMoved(rNoSnapPnt)))
        return;

    if (GetDragHdl()->GetKind()==SdrHdlKind::MirrorAxis)
    {
        SdrHdl* pH1=GetHdlList().GetHdl(SdrHdlKind::Ref1);
        SdrHdl* pH2=GetHdlList().GetHdl(SdrHdlKind::Ref2);

        if (pH1==nullptr || pH2==nullptr)
            return;

        if (!DragStat().IsNoSnap())
        {
            tools::Long nBestXSnap=0;
            tools::Long nBestYSnap=0;
            bool bXSnapped=false;
            bool bYSnapped=false;
            Point aDif(aPnt-DragStat().GetStart());
            getSdrDragView().CheckSnap(Ref1()+aDif,nBestXSnap,nBestYSnap,bXSnapped,bYSnapped);
            getSdrDragView().CheckSnap(Ref2()+aDif,nBestXSnap,nBestYSnap,bXSnapped,bYSnapped);
            aPnt.AdjustX(nBestXSnap );
            aPnt.AdjustY(nBestYSnap );
        }

        if (aPnt!=DragStat().GetNow())
        {
            Hide();
            DragStat().NextMove(aPnt);
            Point aDif(DragStat().GetNow()-DragStat().GetStart());
            pH1->SetPos(Ref1()+aDif);
            pH2->SetPos(Ref2()+aDif);

            SdrHdl* pHM = GetHdlList().GetHdl(SdrHdlKind::MirrorAxis);

            if(pHM)
                pHM->Touch();

            Show();
            DragStat().SetActionRect(tools::Rectangle(pH1->GetPos(),pH2->GetPos()));
        }
    }
    else
    {
        if (!DragStat().IsNoSnap()) SnapPos(aPnt);
        Degree100 nSA(0);

        if (getSdrDragView().IsAngleSnapEnabled())
            nSA=getSdrDragView().GetSnapAngle();

        if (getSdrDragView().IsMirrorAllowed(true,true))
        { // limited
            if (!getSdrDragView().IsMirrorAllowed()) nSA=4500_deg100;
            if (!getSdrDragView().IsMirrorAllowed(true)) nSA=9000_deg100;
        }

        if (getSdrDragView().IsOrtho() && nSA!=9000_deg100)
            nSA=4500_deg100;

        if (nSA)
        { // angle snapping
            SdrHdlKind eRef=SdrHdlKind::Ref1;

            if (GetDragHdl()->GetKind()==SdrHdlKind::Ref1)
                eRef=SdrHdlKind::Ref2;

            SdrHdl* pH=GetHdlList().GetHdl(eRef);

            if (pH!=nullptr)
            {
                Point aRef(pH->GetPos());
                Degree100 nAngle=NormAngle36000(GetAngle(aPnt-aRef));
                Degree100 nNewAngle=nAngle;
                nNewAngle+=nSA/2_deg100;
                nNewAngle/=nSA;
                nNewAngle*=nSA;
                nNewAngle=NormAngle36000(nNewAngle);
                double a=toRadians(nNewAngle-nAngle);
                double nSin=sin(a);
                double nCos=cos(a);
                RotatePoint(aPnt,aRef,nSin,nCos);

                // eliminate rounding errors for certain values
                if (nSA==9000_deg100)
                {
                    if (nNewAngle==0_deg100    || nNewAngle==18000_deg100) aPnt.setY(aRef.Y() );
                    if (nNewAngle==9000_deg100 || nNewAngle==27000_deg100) aPnt.setX(aRef.X() );
                }

                if (nSA==4500_deg100)
                    OrthoDistance8(aRef,aPnt,true);
            }
        }

        if (aPnt!=DragStat().GetNow())
        {
            Hide();
            DragStat().NextMove(aPnt);
            GetDragHdl()->SetPos(DragStat().GetNow());
            SdrHdl* pHM = GetHdlList().GetHdl(SdrHdlKind::MirrorAxis);

            if(pHM)
                pHM->Touch();

            Show();
            DragStat().SetActionRect(tools::Rectangle(aPnt,aPnt));
        }
    }
}

bool SdrDragMovHdl::EndSdrDrag(bool /*bCopy*/)
{
    if( GetDragHdl() )
    {
        switch (GetDragHdl()->GetKind())
        {
            case SdrHdlKind::Ref1:
                Ref1()=DragStat().GetNow();
                break;

            case SdrHdlKind::Ref2:
                Ref2()=DragStat().GetNow();
                break;

            case SdrHdlKind::MirrorAxis:
                Ref1()+=DragStat().GetNow()-DragStat().GetStart();
                Ref2()+=DragStat().GetNow()-DragStat().GetStart();
                break;

            default: break;
        }
    }

    return true;
}

void SdrDragMovHdl::CancelSdrDrag()
{
    Hide();

    SdrHdl* pHdl = GetDragHdl();
    if( pHdl )
        pHdl->SetPos(DragStat().GetRef1());

    SdrHdl* pHM = GetHdlList().GetHdl(SdrHdlKind::MirrorAxis);

    if(pHM)
        pHM->Touch();
}

PointerStyle SdrDragMovHdl::GetSdrDragPointer() const
{
    const SdrHdl* pHdl = GetDragHdl();

    if (pHdl!=nullptr)
    {
        return pHdl->GetPointer();
    }

    return PointerStyle::RefHand;
}


SdrDragObjOwn::SdrDragObjOwn(SdrDragView& rNewView)
:   SdrDragMethod(rNewView)
{
    const SdrObject* pObj = GetDragObj();

    if(pObj)
    {
        // suppress full drag for some object types
        setSolidDraggingActive(pObj->supportsFullDrag());
    }
}

SdrDragObjOwn::~SdrDragObjOwn()
{
}

void SdrDragObjOwn::createSdrDragEntries()
{
    if(!mxClone)
        return;

    basegfx::B2DPolyPolygon aDragPolyPolygon;
    bool bAddWireframe(true);

    if(getSolidDraggingActive())
    {
        SdrPageView* pPV = getSdrDragView().GetSdrPageView();

        if(pPV && pPV->PageWindowCount())
        {
            addSdrDragEntry(std::unique_ptr<SdrDragEntry>(new SdrDragEntrySdrObject(*mxClone, false)));

            // potentially no wireframe needed, full drag works
            bAddWireframe = false;
        }
    }

    if(!bAddWireframe)
    {
        // check for extra conditions for wireframe, e.g. no border at
        // objects
        if(!mxClone->HasLineStyle())
        {
            bAddWireframe = true;
        }
    }

    if(bAddWireframe)
    {
        // use wireframe poly when full drag is off or did not work
        aDragPolyPolygon = mxClone->TakeXorPoly();
    }

    // add evtl. extra DragPolyPolygon
    const basegfx::B2DPolyPolygon aSpecialDragPolyPolygon(mxClone->getSpecialDragPoly(DragStat()));

    if(aSpecialDragPolyPolygon.count())
    {
        aDragPolyPolygon.append(aSpecialDragPolyPolygon);
    }

    if(aDragPolyPolygon.count())
    {
        addSdrDragEntry(std::unique_ptr<SdrDragEntry>(new SdrDragEntryPolyPolygon(std::move(aDragPolyPolygon))));
    }
}

OUString SdrDragObjOwn::GetSdrDragComment() const
{
    OUString aStr;
    // #i103058# get info string from the clone preferred, the original will
    // not be changed. For security, use original as fallback
    if(mxClone)
    {
        aStr = mxClone->getSpecialDragComment(DragStat());
    }
    else
    {
        const SdrObject* pObj = GetDragObj();

        if(pObj)
        {
            aStr = pObj->getSpecialDragComment(DragStat());
        }
    }
    return aStr;
}

bool SdrDragObjOwn::BeginSdrDrag()
{
    if(!mxClone)
    {
        const SdrObject* pObj = GetDragObj();

        if(pObj && !pObj->IsResizeProtect())
        {
            if(pObj->beginSpecialDrag(DragStat()))
            {
                // create initial clone to have a start visualization
                mxClone = pObj->getFullDragClone();
                mxClone->applySpecialDrag(DragStat());

                return true;
            }
        }
    }

    return false;
}

void SdrDragObjOwn::MoveSdrDrag(const Point& rNoSnapPnt)
{
    const SdrObject* pObj = GetDragObj();

    if (!pObj)
        // No object to drag.  Bail out.
        return;

    Point aPnt(rNoSnapPnt);
    SdrPageView* pPV = GetDragPV();

    if (!pPV)
        // No page view available.  Bail out.
        return;

    if(!DragStat().IsNoSnap())
    {
        SnapPos(aPnt);
    }
    if(getSdrDragView().IsOrtho())
    {
        if (DragStat().IsOrtho8Possible())
        {
            OrthoDistance8(DragStat().GetStart(),aPnt,getSdrDragView().IsBigOrtho());
        }
        else if (DragStat().IsOrtho4Possible())
        {
            OrthoDistance4(DragStat().GetStart(),aPnt,getSdrDragView().IsBigOrtho());
        }
    }

    if (!DragStat().CheckMinMoved(rNoSnapPnt))
        // Not moved by the minimum threshold. Nothing to do.
        return;

    Hide();
    DragStat().NextMove(aPnt);

    // since SdrDragObjOwn currently supports no transformation of
    // existing SdrDragEntries but only their recreation, a recreation
    // after every move is needed in this mode. Delete existing
    // SdrDragEntries here  to force their recreation in the following Show().
    clearSdrDragEntries();

    // delete current clone (after the last reference to it is deleted above)
    mxClone.clear();

    // create a new clone and modify to current drag state
    mxClone = pObj->getFullDragClone();
    mxClone->applySpecialDrag(DragStat());

    // AutoGrowWidth may change for SdrTextObj due to the automatism used
    // with bDisableAutoWidthOnDragging, so not only geometry changes but
    // also this (pretty indirect) property change is possible. If it gets
    // changed, it needs to be copied to the original since nothing will
    // happen when it only changes in the drag clone
    const bool bOldAutoGrowWidth(pObj->GetMergedItem(SDRATTR_TEXT_AUTOGROWWIDTH).GetValue());
    const bool bNewAutoGrowWidth(mxClone->GetMergedItem(SDRATTR_TEXT_AUTOGROWWIDTH).GetValue());

    if (bOldAutoGrowWidth != bNewAutoGrowWidth)
    {
        GetDragObj()->SetMergedItem(makeSdrTextAutoGrowWidthItem(bNewAutoGrowWidth));
    }

    Show();
}

bool SdrDragObjOwn::EndSdrDrag(bool /*bCopy*/)
{
    Hide();
    std::vector< std::unique_ptr<SdrUndoAction> > vConnectorUndoActions;
    bool bRet = false;
    SdrObject* pObj = GetDragObj();

    if(pObj)
    {
        std::unique_ptr<SdrUndoAction> pUndo;
        std::unique_ptr<SdrUndoAction> pUndo2;
        const bool bUndo = getSdrDragView().IsUndoEnabled();

        if( bUndo )
        {
            getSdrDragView().EndTextEditCurrentView();
            if(!getSdrDragView().IsInsObjPoint() && pObj->IsInserted() )
            {
                if (DragStat().IsEndDragChangesAttributes())
                {
                    pUndo=getSdrDragView().GetModel().GetSdrUndoFactory().CreateUndoAttrObject(*pObj);

                    if (DragStat().IsEndDragChangesGeoAndAttributes())
                    {
                        vConnectorUndoActions = getSdrDragView().CreateConnectorUndo( *pObj );
                        pUndo2 = getSdrDragView().GetModel().GetSdrUndoFactory().CreateUndoGeoObject(*pObj);
                    }
                }
                else
                {
                    vConnectorUndoActions = getSdrDragView().CreateConnectorUndo( *pObj );
                    pUndo= getSdrDragView().GetModel().GetSdrUndoFactory().CreateUndoGeoObject(*pObj);
                }
            }

            if( pUndo )
            {
                getSdrDragView().BegUndo( pUndo->GetComment() );
            }
            else
            {
                getSdrDragView().BegUndo();
            }
        }

        // Maybe use operator = for setting changed object data (do not change selection in
        // view, this will destroy the interactor). This is possible since a clone is now
        // directly modified by the modifiers. Only SdrTableObj is adding own UNDOs
        // in its SdrTableObj::endSpecialDrag, so currently not possible. OTOH it uses
        // a CreateUndoGeoObject(), so maybe setting SetEndDragChangesAttributes is okay. I
        // will test this now
        tools::Rectangle aBoundRect0;

        if(pObj->GetUserCall())
        {
            aBoundRect0 = pObj->GetLastBoundRect();
        }

        bRet = pObj->applySpecialDrag(DragStat());
        if (DragStat().IsEndDragChangesLayout())
        {
            auto pGeoUndo = dynamic_cast<SdrUndoGeoObj*>(pUndo.get());
            if (pGeoUndo)
                pGeoUndo->SetSkipChangeLayout(true);
        }

        if(bRet)
        {
            pObj->SetChanged();
            pObj->BroadcastObjectChange();
            pObj->SendUserCall( SdrUserCallType::Resize, aBoundRect0 );
        }

        if(bRet && bUndo )
        {
            getSdrDragView().AddUndoActions( std::move(vConnectorUndoActions) );

            if ( pUndo )
            {
                getSdrDragView().AddUndo(std::move(pUndo));
            }

            if ( pUndo2 )
            {
                getSdrDragView().AddUndo(std::move(pUndo2));
            }
        }

        if( bUndo )
            getSdrDragView().EndUndo();
    }

    return bRet;
}

PointerStyle SdrDragObjOwn::GetSdrDragPointer() const
{
    const SdrHdl* pHdl=GetDragHdl();

    if (pHdl)
    {
        return pHdl->GetPointer();
    }

    return PointerStyle::Move;
}


void SdrDragMove::createSdrDragEntryForSdrObject(const SdrObject& rOriginal)
{
    // use the view-independent primitive representation (without
    // evtl. GridOffset, that may be applied to the DragEntry individually)
    drawinglayer::primitive2d::Primitive2DContainer xRetval;
    rOriginal.GetViewContact().getViewIndependentPrimitive2DContainer(xRetval);
    addSdrDragEntry(
        std::unique_ptr<SdrDragEntry>(
            new SdrDragEntryPrimitive2DSequence(
                std::move(xRetval))));

}

void SdrDragMove::applyCurrentTransformationToSdrObject(SdrObject& rTarget)
{
    rTarget.Move(Size(DragStat().GetDX(), DragStat().GetDY()));
}

SdrDragMove::SdrDragMove(SdrDragView& rNewView)
    : SdrDragMethod(rNewView)
    , m_nBestXSnap(0)
    , m_nBestYSnap(0)
    , m_bXSnapped(false)
    , m_bYSnapped(false)
{
    setMoveOnly(true);
}

OUString SdrDragMove::GetSdrDragComment() const
{
    OUString aStr = ImpGetDescriptionStr(STR_DragMethMove)
            + " (x="
            + getSdrDragView().GetModel().GetMetricString(DragStat().GetDX())
            + " y="
            + getSdrDragView().GetModel().GetMetricString(DragStat().GetDY())
            + ")";

    if(getSdrDragView().IsDragWithCopy())
    {
        if(!getSdrDragView().IsInsObjPoint() && !getSdrDragView().IsInsGluePoint())
        {
            aStr += SvxResId(STR_EditWithCopy);
        }
    }
    return aStr;
}

bool SdrDragMove::BeginSdrDrag()
{
    DragStat().SetActionRect(GetMarkedRect());
    Show();

    return true;
}

basegfx::B2DHomMatrix SdrDragMove::getCurrentTransformation() const
{
    return basegfx::utils::createTranslateB2DHomMatrix(DragStat().GetDX(), DragStat().GetDY());
}

void SdrDragMove::ImpCheckSnap(const Point& rPt)
{
    Point aPt(rPt);
    SdrSnap nRet=SnapPos(aPt);
    aPt-=rPt;

    if (nRet & SdrSnap::XSNAPPED)
    {
        if (m_bXSnapped)
        {
            if (std::abs(aPt.X())<std::abs(m_nBestXSnap))
            {
                m_nBestXSnap=aPt.X();
            }
        }
        else
        {
            m_nBestXSnap=aPt.X();
            m_bXSnapped=true;
        }
    }

    if (!(nRet & SdrSnap::YSNAPPED))
        return;

    if (m_bYSnapped)
    {
        if (std::abs(aPt.Y())<std::abs(m_nBestYSnap))
        {
            m_nBestYSnap=aPt.Y();
        }
    }
    else
    {
        m_nBestYSnap=aPt.Y();
        m_bYSnapped=true;
    }
}

void SdrDragMove::MoveSdrDrag(const Point& rNoSnapPnt_)
{
    m_nBestXSnap=0;
    m_nBestYSnap=0;
    m_bXSnapped=false;
    m_bYSnapped=false;
    Point aNoSnapPnt(rNoSnapPnt_);
    const tools::Rectangle& aSR=GetMarkedRect();
    tools::Long nMovedx=aNoSnapPnt.X()-DragStat().GetStart().X();
    tools::Long nMovedy=aNoSnapPnt.Y()-DragStat().GetStart().Y();
    Point aLO(aSR.TopLeft());      aLO.AdjustX(nMovedx ); aLO.AdjustY(nMovedy );
    Point aRU(aSR.BottomRight());  aRU.AdjustX(nMovedx ); aRU.AdjustY(nMovedy );
    Point aLU(aLO.X(),aRU.Y());
    Point aRO(aRU.X(),aLO.Y());
    ImpCheckSnap(aLO);

    if (!getSdrDragView().IsMoveSnapOnlyTopLeft())
    {
        ImpCheckSnap(aRO);
        ImpCheckSnap(aLU);
        ImpCheckSnap(aRU);
    }

    Point aPnt(aNoSnapPnt.X()+m_nBestXSnap,aNoSnapPnt.Y()+m_nBestYSnap);
    bool bOrtho=getSdrDragView().IsOrtho();

    if (bOrtho)
        OrthoDistance8(DragStat().GetStart(),aPnt,getSdrDragView().IsBigOrtho());

    if (!DragStat().CheckMinMoved(aNoSnapPnt))
        return;

    Point aPt1(aPnt);
    tools::Rectangle aLR(getSdrDragView().GetWorkArea());
    bool bWorkArea=!aLR.IsEmpty();
    bool bDragLimit=IsDragLimit();

    if (bDragLimit || bWorkArea)
    {
        tools::Rectangle aSR2(GetMarkedRect());
        Point aD(aPt1-DragStat().GetStart());

        if (bDragLimit)
        {
            tools::Rectangle aR2(GetDragLimitRect());

            if (bWorkArea)
                aLR.Intersection(aR2);
            else
                aLR=aR2;
        }

        if (aSR2.Left()>aLR.Left() || aSR2.Right()<aLR.Right())
        { // any space to move to?
            aSR2.Move(aD.X(),0);

            if (aSR2.Left()<aLR.Left())
            {
                aPt1.AdjustX( -(aSR2.Left()-aLR.Left()) );
            }
            else if (aSR2.Right()>aLR.Right())
            {
                aPt1.AdjustX( -(aSR2.Right()-aLR.Right()) );
            }
        }
        else
            aPt1.setX(DragStat().GetStart().X() ); // no space to move to

        if (aSR2.Top()>aLR.Top() || aSR2.Bottom()<aLR.Bottom())
        { // any space to move to?
            aSR2.Move(0,aD.Y());

            if (aSR2.Top()<aLR.Top())
            {
                aPt1.AdjustY( -(aSR2.Top()-aLR.Top()) );
            }
            else if (aSR2.Bottom()>aLR.Bottom())
            {
                aPt1.AdjustY( -(aSR2.Bottom()-aLR.Bottom()) );
            }
        }
        else
            aPt1.setY(DragStat().GetStart().Y() ); // no space to move to
    }

    if (getSdrDragView().IsDraggingGluePoints())
    { // restrict gluepoints to the BoundRect of the Obj
        aPt1-=DragStat().GetStart();
        const SdrMarkList& rMarkList = GetMarkedObjectList();
        const size_t nMarkCount = rMarkList.GetMarkCount();

        for (size_t nMarkNum=0; nMarkNum<nMarkCount; ++nMarkNum)
        {
            const SdrMark* pM = rMarkList.GetMark(nMarkNum);
            const SdrUShortCont& rPts = pM->GetMarkedGluePoints();

            if (!rPts.empty())
            {
                const SdrObject* pObj=pM->GetMarkedSdrObj();
                const SdrGluePointList* pGPL=pObj->GetGluePointList();
                tools::Rectangle aBound(pObj->GetCurrentBoundRect());

                for (sal_uInt16 nId : rPts)
                {
                    sal_uInt16 nGlueNum=pGPL->FindGluePoint(nId);

                    if (nGlueNum!=SDRGLUEPOINT_NOTFOUND)
                    {
                        Point aPt((*pGPL)[nGlueNum].GetAbsolutePos(*pObj));
                        aPt+=aPt1; // move by this much
                        if (aPt.X()<aBound.Left()  ) aPt1.AdjustX( -(aPt.X()-aBound.Left()) )  ;
                        if (aPt.X()>aBound.Right() ) aPt1.AdjustX( -(aPt.X()-aBound.Right()) ) ;
                        if (aPt.Y()<aBound.Top()   ) aPt1.AdjustY( -(aPt.Y()-aBound.Top()) )   ;
                        if (aPt.Y()>aBound.Bottom()) aPt1.AdjustY( -(aPt.Y()-aBound.Bottom()) );
                    }
                }
            }
        }

        aPt1+=DragStat().GetStart();
    }

    if (bOrtho)
        OrthoDistance8(DragStat().GetStart(),aPt1,false);

    if (aPt1!=DragStat().GetNow())
    {
        Hide();
        DragStat().NextMove(aPt1);
        tools::Rectangle aAction(GetMarkedRect());
        aAction.Move(DragStat().GetDX(),DragStat().GetDY());
        DragStat().SetActionRect(aAction);
        Show();
    }
}

bool SdrDragMove::EndSdrDrag(bool bCopy)
{
    Hide();

    if (getSdrDragView().IsInsObjPoint() || getSdrDragView().IsInsGluePoint())
        bCopy=false;

    if (IsDraggingPoints())
    {
        getSdrDragView().MoveMarkedPoints(Size(DragStat().GetDX(),DragStat().GetDY()));
    }
    else if (IsDraggingGluePoints())
    {
        getSdrDragView().MoveMarkedGluePoints(Size(DragStat().GetDX(),DragStat().GetDY()),bCopy);
    }
    else
    {
        getSdrDragView().MoveMarkedObj(Size(DragStat().GetDX(),DragStat().GetDY()),bCopy);
    }

    return true;
}

PointerStyle SdrDragMove::GetSdrDragPointer() const
{
    if (IsDraggingPoints() || IsDraggingGluePoints())
    {
        return PointerStyle::MovePoint;
    }
    else
    {
        return PointerStyle::Move;
    }
}


SdrDragResize::SdrDragResize(SdrDragView& rNewView)
:   SdrDragMethod(rNewView),
    m_aXFact(1,1),
    m_aYFact(1,1)
{
}

OUString SdrDragResize::GetSdrDragComment() const
{
    OUString aStr = ImpGetDescriptionStr(STR_DragMethResize);
    Fraction aFact1(1,1);
    Point aStart(DragStat().GetStart());
    Point aRef(DragStat().GetRef1());
    sal_Int32 nXDiv(aStart.X() - aRef.X());

    if(!nXDiv)
        nXDiv = 1;

    sal_Int32 nYDiv(aStart.Y() - aRef.Y());

    if(!nYDiv)
        nYDiv = 1;

    bool bX(m_aXFact != aFact1 && std::abs(nXDiv) > 1);
    bool bY(m_aYFact != aFact1 && std::abs(nYDiv) > 1);

    if(bX || bY)
    {
        aStr += " (";

        bool bEqual(m_aXFact == m_aYFact);
        if(bX)
        {
            if(!bEqual)
                aStr += "x=";

            aStr += SdrModel::GetPercentString(m_aXFact);
        }

        if(bY && !bEqual)
        {
            if(bX)
                aStr += " ";

            aStr += "y=" + SdrModel::GetPercentString(m_aYFact);
        }

        aStr += ")";
    }

    if(getSdrDragView().IsDragWithCopy())
        aStr += SvxResId(STR_EditWithCopy);
    return aStr;
}

bool SdrDragResize::BeginSdrDrag()
{
    SdrHdlKind eRefHdl=SdrHdlKind::Move;
    SdrHdl* pRefHdl=nullptr;

    switch (GetDragHdlKind())
    {
        case SdrHdlKind::UpperLeft: eRefHdl=SdrHdlKind::LowerRight; break;
        case SdrHdlKind::Upper: eRefHdl=SdrHdlKind::Lower; DragStat().SetHorFixed(true); break;
        case SdrHdlKind::UpperRight: eRefHdl=SdrHdlKind::LowerLeft; break;
        case SdrHdlKind::Left : eRefHdl=SdrHdlKind::Right; DragStat().SetVerFixed(true); break;
        case SdrHdlKind::Right: eRefHdl=SdrHdlKind::Left ; DragStat().SetVerFixed(true); break;
        case SdrHdlKind::LowerLeft: eRefHdl=SdrHdlKind::UpperRight; break;
        case SdrHdlKind::Lower: eRefHdl=SdrHdlKind::Upper; DragStat().SetHorFixed(true); break;
        case SdrHdlKind::LowerRight: eRefHdl=SdrHdlKind::UpperLeft; break;
        default: break;
    }

    if (eRefHdl!=SdrHdlKind::Move)
        pRefHdl=GetHdlList().GetHdl(eRefHdl);

    if (pRefHdl!=nullptr && !getSdrDragView().IsResizeAtCenter())
    {
        DragStat().SetRef1(pRefHdl->GetPos());
    }
    else
    {
        SdrHdl* pRef1=GetHdlList().GetHdl(SdrHdlKind::UpperLeft);
        SdrHdl* pRef2=GetHdlList().GetHdl(SdrHdlKind::LowerRight);

        if (pRef1!=nullptr && pRef2!=nullptr)
        {
            DragStat().SetRef1(tools::Rectangle(pRef1->GetPos(),pRef2->GetPos()).Center());
        }
        else
        {
            DragStat().SetRef1(GetMarkedRect().Center());
        }
    }

    Show();

    return true;
}

basegfx::B2DHomMatrix SdrDragResize::getCurrentTransformation() const
{
    basegfx::B2DHomMatrix aRetval(basegfx::utils::createTranslateB2DHomMatrix(
        -DragStat().GetRef1().X(), -DragStat().GetRef1().Y()));
    aRetval.scale(double(m_aXFact), double(m_aYFact));
    aRetval.translate(DragStat().GetRef1().X(), DragStat().GetRef1().Y());

    return aRetval;
}

void SdrDragResize::MoveSdrDrag(const Point& rNoSnapPnt)
{
    Point aPnt(GetSnapPos(rNoSnapPnt));
    Point aStart(DragStat().GetStart());
    Point aRef(DragStat().GetRef1());
    Fraction aMaxFact(0x7FFFFFFF,1);
    tools::Rectangle aLR(getSdrDragView().GetWorkArea());
    bool bWorkArea=!aLR.IsEmpty();
    bool bDragLimit=IsDragLimit();

    if (bDragLimit || bWorkArea)
    {
        tools::Rectangle aSR(GetMarkedRect());

        if (bDragLimit)
        {
            tools::Rectangle aR2(GetDragLimitRect());

            if (bWorkArea)
                aLR.Intersection(aR2);
            else
                aLR=aR2;
        }

        if (aPnt.X()<aLR.Left())
            aPnt.setX(aLR.Left() );
        else if (aPnt.X()>aLR.Right())
            aPnt.setX(aLR.Right() );

        if (aPnt.Y()<aLR.Top())
            aPnt.setY(aLR.Top() );
        else if (aPnt.Y()>aLR.Bottom())
            aPnt.setY(aLR.Bottom() );

        if (aRef.X()>aSR.Left())
        {
            Fraction aMax(aRef.X()-aLR.Left(),aRef.X()-aSR.Left());

            if (aMax<aMaxFact)
                aMaxFact=aMax;
        }

        if (aRef.X()<aSR.Right())
        {
            Fraction aMax(aLR.Right()-aRef.X(),aSR.Right()-aRef.X());

            if (aMax<aMaxFact)
                aMaxFact=aMax;
        }

        if (aRef.Y()>aSR.Top())
        {
            Fraction aMax(aRef.Y()-aLR.Top(),aRef.Y()-aSR.Top());

            if (aMax<aMaxFact)
                aMaxFact=aMax;
        }

        if (aRef.Y()<aSR.Bottom())
        {
            Fraction aMax(aLR.Bottom()-aRef.Y(),aSR.Bottom()-aRef.Y());

            if (aMax<aMaxFact)
                aMaxFact=aMax;
        }
    }

    tools::Long nXDiv=aStart.X()-aRef.X(); if (nXDiv==0) nXDiv=1;
    tools::Long nYDiv=aStart.Y()-aRef.Y(); if (nYDiv==0) nYDiv=1;
    tools::Long nXMul=aPnt.X()-aRef.X();
    tools::Long nYMul=aPnt.Y()-aRef.Y();

    if (nXDiv<0)
    {
        nXDiv=-nXDiv;
        nXMul=-nXMul;
    }

    if (nYDiv<0)
    {
        nYDiv=-nYDiv;
        nYMul=-nYMul;
    }

    bool bXNeg=nXMul<0; if (bXNeg) nXMul=-nXMul;
    bool bYNeg=nYMul<0; if (bYNeg) nYMul=-nYMul;
    bool bOrtho=getSdrDragView().IsOrtho() || !getSdrDragView().IsResizeAllowed();

    if (!DragStat().IsHorFixed() && !DragStat().IsVerFixed())
    {
        if (std::abs(nXDiv)<=1 || std::abs(nYDiv)<=1)
            bOrtho=false;

        if (bOrtho)
        {
            if ((Fraction(nXMul,nXDiv)>Fraction(nYMul,nYDiv)) !=getSdrDragView().IsBigOrtho())
            {
                nXMul=nYMul;
                nXDiv=nYDiv;
            }
            else
            {
                nYMul=nXMul;
                nYDiv=nXDiv;
            }
        }
    }
    else
    {
        if (bOrtho)
        {
            if (DragStat().IsHorFixed())
            {
                bXNeg=false;
                nXMul=nYMul;
                nXDiv=nYDiv;
            }

            if (DragStat().IsVerFixed())
            {
                bYNeg=false;
                nYMul=nXMul;
                nYDiv=nXDiv;
            }
        }
        else
        {
            if (DragStat().IsHorFixed())
            {
                bXNeg=false;
                nXMul=1;
                nXDiv=1;
            }

            if (DragStat().IsVerFixed())
            {
                bYNeg=false;
                nYMul=1;
                nYDiv=1;
            }
        }
    }

    Fraction aNewXFact(nXMul,nXDiv);
    Fraction aNewYFact(nYMul,nYDiv);

    if (bOrtho)
    {
        if (aNewXFact>aMaxFact)
        {
            aNewXFact=aMaxFact;
            aNewYFact=aMaxFact;
        }

        if (aNewYFact>aMaxFact)
        {
            aNewXFact=aMaxFact;
            aNewYFact=aMaxFact;
        }
    }

    if (bXNeg)
        aNewXFact=Fraction(-aNewXFact.GetNumerator(),aNewXFact.GetDenominator());

    if (bYNeg)
        aNewYFact=Fraction(-aNewYFact.GetNumerator(),aNewYFact.GetDenominator());

    if (DragStat().CheckMinMoved(aPnt))
    {
        if ((!DragStat().IsHorFixed() && aPnt.X()!=DragStat().GetNow().X()) ||
            (!DragStat().IsVerFixed() && aPnt.Y()!=DragStat().GetNow().Y()))
        {
            Hide();
            DragStat().NextMove(aPnt);
            m_aXFact=aNewXFact;
            m_aYFact=aNewYFact;

            aNewXFact = double(aNewXFact) > 0 ? aNewXFact : Fraction(1, 1);
            aNewYFact = double(aNewYFact) > 0 ? aNewYFact : Fraction(1, 1);
            Size aTargetSize(
                    GetMarkedRect().GetSize().scale(aNewXFact.GetNumerator(), aNewXFact.GetDenominator(),
                                                    aNewYFact.GetNumerator(), aNewYFact.GetDenominator()));
            Show(getSdrDragView().IsMarkedObjSizeValid(aTargetSize));
        }
    }
}

void SdrDragResize::applyCurrentTransformationToSdrObject(SdrObject& rTarget)
{
    rTarget.Resize(DragStat().GetRef1(),m_aXFact,m_aYFact);
}

bool SdrDragResize::EndSdrDrag(bool bCopy)
{
    Hide();

    if (IsDraggingPoints())
    {
        getSdrDragView().ResizeMarkedPoints(DragStat().GetRef1(),m_aXFact,m_aYFact);
    }
    else if (IsDraggingGluePoints())
    {
        getSdrDragView().ResizeMarkedGluePoints(DragStat().GetRef1(),m_aXFact,m_aYFact,bCopy);
    }
    else
    {
        getSdrDragView().ResizeMarkedObj(DragStat().GetRef1(),m_aXFact,m_aYFact,bCopy);
    }

    return true;
}

PointerStyle SdrDragResize::GetSdrDragPointer() const
{
    const SdrHdl* pHdl=GetDragHdl();

    if (pHdl!=nullptr)
    {
        return pHdl->GetPointer();
    }

    return PointerStyle::Move;
}


void SdrDragRotate::applyCurrentTransformationToSdrObject(SdrObject& rTarget)
{
    rTarget.Rotate(DragStat().GetRef1(), nAngle, nSin, nCos);
}

SdrDragRotate::SdrDragRotate(SdrDragView& rNewView)
:   SdrDragMethod(rNewView),
    nSin(0.0),
    nCos(1.0),
    nAngle0(0),
    nAngle(0),
    bRight(false)
{
}

OUString SdrDragRotate::GetSdrDragComment() const
{
    OUString aStr = ImpGetDescriptionStr(STR_DragMethRotate) +
        " (";
    Degree100 nTmpAngle(NormAngle36000(nAngle));

    if(bRight && nAngle)
    {
        nTmpAngle -= 36000_deg100;
    }

    aStr += SdrModel::GetAngleString(nTmpAngle) + ")";

    if(getSdrDragView().IsDragWithCopy())
        aStr += SvxResId(STR_EditWithCopy);
    return aStr;
}

bool SdrDragRotate::BeginSdrDrag()
{
    SdrHdl* pH=GetHdlList().GetHdl(SdrHdlKind::Ref1);

    if (nullptr != pH)
    {
        Show();
        DragStat().SetRef1(pH->GetPos());
        nAngle0=GetAngle(DragStat().GetStart()-DragStat().GetRef1());
        return true;
    }

    // RotGrfFlyFrame: Support rotation around center *without* Ref1 (normally
    // the rotation point)
    const tools::Rectangle aLocalMarkRect(getSdrDragView().GetMarkedObjRect());

    if(!aLocalMarkRect.IsEmpty())
    {
        Show();
        DragStat().SetRef1(aLocalMarkRect.Center());
        nAngle0=GetAngle(DragStat().GetStart()-DragStat().GetRef1());
        return true;
    }

    OSL_FAIL("SdrDragRotate::BeginSdrDrag(): No reference point handle found.");
    return false;
}

basegfx::B2DHomMatrix SdrDragRotate::getCurrentTransformation() const
{
    return basegfx::utils::createRotateAroundPoint(
        DragStat().GetRef1().X(), DragStat().GetRef1().Y(),
        -atan2(nSin, nCos));
}

void SdrDragRotate::MoveSdrDrag(const Point& rPnt_)
{
    Point aPnt(rPnt_);
    if (!DragStat().CheckMinMoved(aPnt))
        return;

    Degree100 nNewAngle=NormAngle36000(GetAngle(aPnt-DragStat().GetRef1())-nAngle0);
    Degree100 nSA(0);

    if (getSdrDragView().IsAngleSnapEnabled())
        nSA=getSdrDragView().GetSnapAngle();

    if (!getSdrDragView().IsRotateAllowed())
        nSA=9000_deg100;

    if (nSA)
    { // angle snapping
        nNewAngle += nSA / 2_deg100;
        nNewAngle /= nSA;
        nNewAngle *= nSA;
    }

    nNewAngle=NormAngle18000(nNewAngle);

    if (nAngle==nNewAngle)
        return;

    sal_uInt16 nSekt0=GetAngleSector(nAngle);
    sal_uInt16 nSekt1=GetAngleSector(nNewAngle);

    if (nSekt0==0 && nSekt1==3)
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