weld View3DDialog

Change-Id: Ifd689c54574c08f026f6760efb39b5f927cb2625
Reviewed-on: https://gerrit.libreoffice.org/73604
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 1123 insertions, 0 deletions

diff --git a/svx/source/dialog/dlgctl3d.cxx b/svx/source/dialog/dlgctl3d.cxx
index c7f24743dd29..209729fd9ce3 100644
--- a/svx/source/dialog/dlgctl3d.cxx
+++ b/svx/source/dialog/dlgctl3d.cxx
@@ -243,6 +243,196 @@ void Svx3DPreviewControl::Set3DAttributes( const SfxItemSet& rAttr )
     Resize();
 }
 
+PreviewControl3D::PreviewControl3D()
+    : mpFmPage(nullptr)
+    , mpScene(nullptr)
+    , mp3DObj(nullptr)
+    , mnObjectType(SvxPreviewObjectType::SPHERE)
+{
+}
+
+void PreviewControl3D::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+    Size aSize(pDrawingArea->get_ref_device().LogicToPixel(Size(80, 100), MapMode(MapUnit::MapAppFont)));
+    pDrawingArea->set_size_request(aSize.Width(), aSize.Height());
+    CustomWidgetController::SetDrawingArea(pDrawingArea);
+    SetOutputSizePixel(aSize);
+
+    Construct();
+}
+
+PreviewControl3D::~PreviewControl3D()
+{
+    mp3DView.reset();
+    mpModel.reset();
+}
+
+void PreviewControl3D::Construct()
+{
+    // Do never mirror the preview window.  This explicitly includes right
+    // to left writing environments.
+    EnableRTL (false);
+    OutputDevice& rDevice = GetDrawingArea()->get_ref_device();
+    rDevice.SetMapMode(MapMode(MapUnit::Map100thMM));
+
+    // Model
+    mpModel.reset(new FmFormModel());
+    mpModel->GetItemPool().FreezeIdRanges();
+
+    // Page
+    mpFmPage = new FmFormPage( *mpModel );
+    mpModel->InsertPage( mpFmPage, 0 );
+
+    // 3D View
+    mp3DView.reset(new E3dView(*mpModel, &rDevice));
+    mp3DView->SetBufferedOutputAllowed(true);
+    mp3DView->SetBufferedOverlayAllowed(true);
+
+    // 3D Scene
+    mpScene = new E3dScene(*mpModel);
+
+    // initially create object
+    SetObjectType(SvxPreviewObjectType::SPHERE);
+
+    // camera and perspective
+    Camera3D rCamera  = mpScene->GetCamera();
+    const basegfx::B3DRange& rVolume = mpScene->GetBoundVolume();
+    double fW = rVolume.getWidth();
+    double fH = rVolume.getHeight();
+    double fCamZ = rVolume.getMaxZ() + ((fW + fH) / 2.0);
+
+    rCamera.SetAutoAdjustProjection(false);
+    rCamera.SetViewWindow(- fW / 2, - fH / 2, fW, fH);
+    basegfx::B3DPoint aLookAt;
+    double fDefaultCamPosZ = mp3DView->GetDefaultCamPosZ();
+    basegfx::B3DPoint aCamPos(0.0, 0.0, fCamZ < fDefaultCamPosZ ? fDefaultCamPosZ : fCamZ);
+    rCamera.SetPosAndLookAt(aCamPos, aLookAt);
+    double fDefaultCamFocal = mp3DView->GetDefaultCamFocal();
+    rCamera.SetFocalLength(fDefaultCamFocal);
+
+    mpScene->SetCamera( rCamera );
+    mpFmPage->InsertObject( mpScene );
+
+    basegfx::B3DHomMatrix aRotation;
+    aRotation.rotate(DEG2RAD( 25 ), 0.0, 0.0);
+    aRotation.rotate(0.0, DEG2RAD( 40 ), 0.0);
+    mpScene->SetTransform(aRotation * mpScene->GetTransform());
+
+    // invalidate SnapRects of objects
+    mpScene->SetRectsDirty();
+
+    SfxItemSet aSet( mpModel->GetItemPool(),
+        svl::Items<XATTR_LINESTYLE, XATTR_LINESTYLE,
+        XATTR_FILL_FIRST, XATTR_FILLBITMAP>{} );
+    aSet.Put( XLineStyleItem( drawing::LineStyle_NONE ) );
+    aSet.Put( XFillStyleItem( drawing::FillStyle_SOLID ) );
+    aSet.Put( XFillColorItem( "", COL_WHITE ) );
+
+    mpScene->SetMergedItemSet(aSet);
+
+    // PageView
+    SdrPageView* pPageView = mp3DView->ShowSdrPage( mpFmPage );
+    mp3DView->hideMarkHandles();
+
+    // mark scene
+    mp3DView->MarkObj( mpScene, pPageView );
+}
+
+void PreviewControl3D::Resize()
+{
+    // size of page
+    Size aSize(GetOutputSizePixel());
+    aSize = GetDrawingArea()->get_ref_device().PixelToLogic(aSize);
+    mpFmPage->SetSize(aSize);
+
+    // set size
+    Size aObjSize( aSize.Width()*5/6, aSize.Height()*5/6 );
+    Point aObjPoint( (aSize.Width() - aObjSize.Width()) / 2,
+        (aSize.Height() - aObjSize.Height()) / 2);
+    tools::Rectangle aRect( aObjPoint, aObjSize);
+    mpScene->SetSnapRect( aRect );
+}
+
+void PreviewControl3D::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
+{
+    mp3DView->CompleteRedraw(&rRenderContext, vcl::Region(rRect));
+}
+
+bool PreviewControl3D::MouseButtonDown(const MouseEvent& rMEvt)
+{
+    if (rMEvt.IsShift() && rMEvt.IsMod1())
+    {
+        if(SvxPreviewObjectType::SPHERE == GetObjectType())
+        {
+            SetObjectType(SvxPreviewObjectType::CUBE);
+        }
+        else
+        {
+            SetObjectType(SvxPreviewObjectType::SPHERE);
+        }
+    }
+    return false;
+}
+
+void PreviewControl3D::SetObjectType(SvxPreviewObjectType nType)
+{
+    if( mnObjectType != nType || !mp3DObj)
+    {
+        SfxItemSet aSet(mpModel->GetItemPool(), svl::Items<SDRATTR_START, SDRATTR_END>{});
+        mnObjectType = nType;
+
+        if( mp3DObj )
+        {
+            aSet.Put(mp3DObj->GetMergedItemSet());
+            mpScene->RemoveObject( mp3DObj->GetOrdNum() );
+            // always use SdrObject::Free(...) for SdrObjects (!)
+            SdrObject* pTemp(mp3DObj);
+            SdrObject::Free(pTemp);
+        }
+
+        switch( nType )
+        {
+            case SvxPreviewObjectType::SPHERE:
+            {
+                mp3DObj = new E3dSphereObj(
+                    *mpModel,
+                    mp3DView->Get3DDefaultAttributes(),
+                    basegfx::B3DPoint( 0, 0, 0 ),
+                    basegfx::B3DVector( 5000, 5000, 5000 ));
+            }
+            break;
+
+            case SvxPreviewObjectType::CUBE:
+            {
+                mp3DObj = new E3dCubeObj(
+                    *mpModel,
+                    mp3DView->Get3DDefaultAttributes(),
+                    basegfx::B3DPoint( -2500, -2500, -2500 ),
+                    basegfx::B3DVector( 5000, 5000, 5000 ));
+            }
+            break;
+        }
+
+        if (mp3DObj)
+        {
+            mpScene->InsertObject( mp3DObj );
+            mp3DObj->SetMergedItemSet(aSet);
+        }
+
+        Invalidate();
+    }
+}
+
+SfxItemSet const & PreviewControl3D::Get3DAttributes() const
+{
+    return mp3DObj->GetMergedItemSet();
+}
+
+void PreviewControl3D::Set3DAttributes( const SfxItemSet& rAttr )
+{
+    mp3DObj->SetMergedItemSet(rAttr, true);
+    Resize();
+}
 
 #define RADIUS_LAMP_PREVIEW_SIZE    (4500.0)
 #define RADIUS_LAMP_SMALL           (600.0)
@@ -929,6 +1119,677 @@ basegfx::B3DVector Svx3DLightControl::GetLightDirection(sal_uInt32 nNum) const
     return basegfx::B3DVector();
 }
 
+LightControl3D::LightControl3D()
+:   maChangeCallback(),
+    maSelectionChangeCallback(),
+    maSelectedLight(NO_LIGHT_SELECTED),
+    mpExpansionObject(nullptr),
+    mpLampBottomObject(nullptr),
+    mpLampShaftObject(nullptr),
+    maLightObjects(MAX_NUMBER_LIGHTS, nullptr),
+    mfRotateX(-20.0),
+    mfRotateY(45.0),
+    mfRotateZ(0.0),
+    maActionStartPoint(),
+    mfSaveActionStartHor(0.0),
+    mfSaveActionStartVer(0.0),
+    mfSaveActionStartRotZ(0.0),
+    mbMouseMoved(false),
+    mbMouseCaptured(false),
+    mbGeometrySelected(false)
+{
+}
+
+void LightControl3D::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+    PreviewControl3D::SetDrawingArea(pDrawingArea);
+    Construct2();
+}
+
+void LightControl3D::Construct2()
+{
+    {
+        // hide all page stuff, use control background (normally gray)
+        const Color aDialogColor(Application::GetSettings().GetStyleSettings().GetDialogColor());
+        mp3DView->SetPageVisible(false);
+        mp3DView->SetApplicationBackgroundColor(aDialogColor);
+        mp3DView->SetApplicationDocumentColor(aDialogColor);
+    }
+
+    {
+        // create invisible expansion object
+        const double fMaxExpansion(RADIUS_LAMP_BIG + RADIUS_LAMP_PREVIEW_SIZE);
+        mpExpansionObject = new E3dCubeObj(
+            *mpModel,
+            mp3DView->Get3DDefaultAttributes(),
+            basegfx::B3DPoint(-fMaxExpansion, -fMaxExpansion, -fMaxExpansion),
+            basegfx::B3DVector(2.0 * fMaxExpansion, 2.0 * fMaxExpansion, 2.0 * fMaxExpansion));
+        mpScene->InsertObject( mpExpansionObject );
+        SfxItemSet aSet(mpModel->GetItemPool());
+        aSet.Put( XLineStyleItem( drawing::LineStyle_NONE ) );
+        aSet.Put( XFillStyleItem( drawing::FillStyle_NONE ) );
+        mpExpansionObject->SetMergedItemSet(aSet);
+    }
+
+    {
+        // create lamp control object (Yellow lined object)
+        // base circle
+        const basegfx::B2DPolygon a2DCircle(basegfx::utils::createPolygonFromCircle(basegfx::B2DPoint(0.0, 0.0), RADIUS_LAMP_PREVIEW_SIZE));
+        basegfx::B3DPolygon a3DCircle(basegfx::utils::createB3DPolygonFromB2DPolygon(a2DCircle));
+        basegfx::B3DHomMatrix aTransform;
+
+        aTransform.rotate(F_PI2, 0.0, 0.0);
+        aTransform.translate(0.0, -RADIUS_LAMP_PREVIEW_SIZE, 0.0);
+        a3DCircle.transform(aTransform);
+
+        // create object for it
+        mpLampBottomObject = new E3dPolygonObj(
+            *mpModel,
+            basegfx::B3DPolyPolygon(a3DCircle));
+        mpScene->InsertObject( mpLampBottomObject );
+
+        // half circle with stand
+        basegfx::B2DPolygon a2DHalfCircle;
+        a2DHalfCircle.append(basegfx::B2DPoint(RADIUS_LAMP_PREVIEW_SIZE, 0.0));
+        a2DHalfCircle.append(basegfx::B2DPoint(RADIUS_LAMP_PREVIEW_SIZE, -RADIUS_LAMP_PREVIEW_SIZE));
+        a2DHalfCircle.append(basegfx::utils::createPolygonFromEllipseSegment(
+            basegfx::B2DPoint(0.0, 0.0), RADIUS_LAMP_PREVIEW_SIZE, RADIUS_LAMP_PREVIEW_SIZE, F_2PI - F_PI2, F_PI2));
+        basegfx::B3DPolygon a3DHalfCircle(basegfx::utils::createB3DPolygonFromB2DPolygon(a2DHalfCircle));
+
+        // create object for it
+        mpLampShaftObject = new E3dPolygonObj(
+            *mpModel,
+            basegfx::B3DPolyPolygon(a3DHalfCircle));
+        mpScene->InsertObject( mpLampShaftObject );
+
+        // initially invisible
+        SfxItemSet aSet(mpModel->GetItemPool());
+        aSet.Put( XLineStyleItem( drawing::LineStyle_NONE ) );
+        aSet.Put( XFillStyleItem( drawing::FillStyle_NONE ) );
+
+        mpLampBottomObject->SetMergedItemSet(aSet);
+        mpLampShaftObject->SetMergedItemSet(aSet);
+    }
+
+    {
+        // change camera settings
+        Camera3D rCamera  = mpScene->GetCamera();
+        const basegfx::B3DRange& rVolume = mpScene->GetBoundVolume();
+        double fW = rVolume.getWidth();
+        double fH = rVolume.getHeight();
+        double fCamZ = rVolume.getMaxZ() + ((fW + fH) / 2.0);
+
+        rCamera.SetAutoAdjustProjection(false);
+        rCamera.SetViewWindow(- fW / 2, - fH / 2, fW, fH);
+        basegfx::B3DPoint aLookAt;
+        double fDefaultCamPosZ = mp3DView->GetDefaultCamPosZ();
+        basegfx::B3DPoint aCamPos(0.0, 0.0, fCamZ < fDefaultCamPosZ ? fDefaultCamPosZ : fCamZ);
+        rCamera.SetPosAndLookAt(aCamPos, aLookAt);
+        double fDefaultCamFocal = mp3DView->GetDefaultCamFocal();
+        rCamera.SetFocalLength(fDefaultCamFocal);
+
+        mpScene->SetCamera( rCamera );
+
+        basegfx::B3DHomMatrix aNeutral;
+        mpScene->SetTransform(aNeutral);
+    }
+
+    // invalidate SnapRects of objects
+    mpScene->SetRectsDirty();
+}
+
+void LightControl3D::ConstructLightObjects()
+{
+    for(sal_uInt32 a(0); a < MAX_NUMBER_LIGHTS; a++)
+    {
+        // get rid of possible existing light object
+        if(maLightObjects[a])
+        {
+            mpScene->RemoveObject(maLightObjects[a]->GetOrdNum());
+            // always use SdrObject::Free(...) for SdrObjects (!)
+            SdrObject* pTemp(maLightObjects[a]);
+            SdrObject::Free(pTemp);
+            maLightObjects[a] = nullptr;
+        }
+
+        if(GetLightOnOff(a))
+        {
+            const bool bIsSelectedLight(a == maSelectedLight);
+            basegfx::B3DVector aDirection(GetLightDirection(a));
+            aDirection.normalize();
+            aDirection *= RADIUS_LAMP_PREVIEW_SIZE;
+
+            const double fLampSize(bIsSelectedLight ? RADIUS_LAMP_BIG : RADIUS_LAMP_SMALL);
+            E3dObject* pNewLight = new E3dSphereObj(
+                *mpModel,
+                mp3DView->Get3DDefaultAttributes(),
+                basegfx::B3DPoint( 0, 0, 0 ),
+                basegfx::B3DVector( fLampSize, fLampSize, fLampSize));
+            mpScene->InsertObject(pNewLight);
+
+            basegfx::B3DHomMatrix aTransform;
+            aTransform.translate(aDirection.getX(), aDirection.getY(), aDirection.getZ());
+            pNewLight->SetTransform(aTransform);
+
+            SfxItemSet aSet(mpModel->GetItemPool());
+            aSet.Put( XLineStyleItem( drawing::LineStyle_NONE ) );
+            aSet.Put( XFillStyleItem( drawing::FillStyle_SOLID ) );
+            aSet.Put( XFillColorItem(OUString(), GetLightColor(a)));
+            pNewLight->SetMergedItemSet(aSet);
+
+            maLightObjects[a] = pNewLight;
+        }
+    }
+}
+
+void LightControl3D::AdaptToSelectedLight()
+{
+    if(NO_LIGHT_SELECTED == maSelectedLight)
+    {
+        // make mpLampBottomObject/mpLampShaftObject invisible
+        SfxItemSet aSet(mpModel->GetItemPool());
+        aSet.Put( XLineStyleItem( drawing::LineStyle_NONE ) );
+        aSet.Put( XFillStyleItem( drawing::FillStyle_NONE ) );
+        mpLampBottomObject->SetMergedItemSet(aSet);
+        mpLampShaftObject->SetMergedItemSet(aSet);
+    }
+    else
+    {
+        basegfx::B3DVector aDirection(GetLightDirection(maSelectedLight));
+        aDirection.normalize();
+
+        // make mpLampBottomObject/mpLampShaftObject visible (yellow hairline)
+        SfxItemSet aSet(mpModel->GetItemPool());
+        aSet.Put( XLineStyleItem( drawing::LineStyle_SOLID ) );
+        aSet.Put( XLineColorItem(OUString(), COL_YELLOW));
+        aSet.Put( XLineWidthItem(0));
+        aSet.Put( XFillStyleItem( drawing::FillStyle_NONE ) );
+        mpLampBottomObject->SetMergedItemSet(aSet);
+        mpLampShaftObject->SetMergedItemSet(aSet);
+
+        // adapt transformation of mpLampShaftObject
+        basegfx::B3DHomMatrix aTransform;
+        double fRotateY(0.0);
+
+        if(!basegfx::fTools::equalZero(aDirection.getZ()) || !basegfx::fTools::equalZero(aDirection.getX()))
+        {
+            fRotateY = atan2(-aDirection.getZ(), aDirection.getX());
+        }
+
+        aTransform.rotate(0.0, fRotateY, 0.0);
+        mpLampShaftObject->SetTransform(aTransform);
+
+        // adapt transformation of selected light
+        E3dObject* pSelectedLight = maLightObjects[sal_Int32(maSelectedLight)];
+
+        if(pSelectedLight)
+        {
+            aTransform.identity();
+            aTransform.translate(
+                aDirection.getX() * RADIUS_LAMP_PREVIEW_SIZE,
+                aDirection.getY() * RADIUS_LAMP_PREVIEW_SIZE,
+                aDirection.getZ() * RADIUS_LAMP_PREVIEW_SIZE);
+            pSelectedLight->SetTransform(aTransform);
+        }
+    }
+}
+
+void LightControl3D::TrySelection(Point aPosPixel)
+{
+    if(mpScene)
+    {
+        const Point aPosLogic(GetDrawingArea()->get_ref_device().PixelToLogic(aPosPixel));
+        const basegfx::B2DPoint aPoint(aPosLogic.X(), aPosLogic.Y());
+        std::vector< const E3dCompoundObject* > aResult;
+        getAllHit3DObjectsSortedFrontToBack(aPoint, *mpScene, aResult);
+
+        if(!aResult.empty())
+        {
+            // exclude expansion object which will be part of
+            // the hits. It's invisible, but for HitTest, it's included
+            const E3dCompoundObject* pResult = nullptr;
+
+            for(auto const & b: aResult)
+            {
+                if(b && b != mpExpansionObject)
+                {
+                    pResult = b;
+                    break;
+                }
+            }
+
+            if(pResult == mp3DObj)
+            {
+                if(!mbGeometrySelected)
+                {
+                    mbGeometrySelected = true;
+                    maSelectedLight = NO_LIGHT_SELECTED;
+                    ConstructLightObjects();
+                    AdaptToSelectedLight();
+                    Invalidate();
+
+                    if(maSelectionChangeCallback.IsSet())
+                    {
+                        maSelectionChangeCallback.Call(this);
+                    }
+                }
+            }
+            else
+            {
+                sal_uInt32 aNewSelectedLight(NO_LIGHT_SELECTED);
+
+                for(sal_uInt32 a(0); a < MAX_NUMBER_LIGHTS; a++)
+                {
+                    if(maLightObjects[a] && maLightObjects[a] == pResult)
+                    {
+                        aNewSelectedLight = a;
+                    }
+                }
+
+                if(aNewSelectedLight != maSelectedLight)
+                {
+                    SelectLight(aNewSelectedLight);
+
+                    if(maSelectionChangeCallback.IsSet())
+                    {
+                        maSelectionChangeCallback.Call(this);
+                    }
+                }
+            }
+        }
+    }
+}
+
+void LightControl3D::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
+{
+    PreviewControl3D::Paint(rRenderContext, rRect);
+}
+
+tools::Rectangle LightControl3D::GetFocusRect()
+{
+    if (!HasFocus())
+        return tools::Rectangle();
+    Size aFocusSize = GetOutputSizePixel();
+    aFocusSize.AdjustWidth( -4 );
+    aFocusSize.AdjustHeight( -4 );
+    return tools::Rectangle(Point(2, 2), aFocusSize);
+}
+
+bool LightControl3D::MouseButtonDown( const MouseEvent& rMEvt )
+{
+    bool bCallParent(true);
+
+    // switch state
+    if(rMEvt.IsLeft())
+    {
+        if(IsSelectionValid() || mbGeometrySelected)
+        {
+            mbMouseMoved = false;
+            bCallParent = false;
+            maActionStartPoint = rMEvt.GetPosPixel();
+            CaptureMouse();
+            mbMouseCaptured = true;
+        }
+        else
+        {
+            // Single click without moving much trying to do a selection
+            TrySelection(rMEvt.GetPosPixel());
+            bCallParent = false;
+        }
+    }
+
+    // call parent
+    return !bCallParent;
+}
+
+bool LightControl3D::MouseMove(const MouseEvent& rMEvt)
+{
+    if (!mbMouseCaptured)
+        return false;
+
+    Point aDeltaPos = rMEvt.GetPosPixel() - maActionStartPoint;
+
+    if(!mbMouseMoved)
+    {
+        if(sal_Int32(aDeltaPos.X() * aDeltaPos.X() + aDeltaPos.Y() * aDeltaPos.Y()) > g_nInteractionStartDistance)
+        {
+            if(mbGeometrySelected)
+            {
+                GetRotation(mfSaveActionStartVer, mfSaveActionStartHor, mfSaveActionStartRotZ);
+            }
+            else
+            {
+                // interaction start, save values
+                GetPosition(mfSaveActionStartHor, mfSaveActionStartVer);
+            }
+
+            mbMouseMoved = true;
+        }
+    }
+
+    if(mbMouseMoved)
+    {
+        if(mbGeometrySelected)
+        {
+            double fNewRotX = mfSaveActionStartVer - basegfx::deg2rad(aDeltaPos.Y());
+            double fNewRotY = mfSaveActionStartHor + basegfx::deg2rad(aDeltaPos.X());
+
+            // cut horizontal
+            while(fNewRotY < 0.0)
+            {
+                fNewRotY += F_2PI;
+            }
+
+            while(fNewRotY >= F_2PI)
+            {
+                fNewRotY -= F_2PI;
+            }
+
+            // cut vertical
+            if(fNewRotX < -F_PI2)
+            {
+                fNewRotX = -F_PI2;
+            }
+
+            if(fNewRotX > F_PI2)
+            {
+                fNewRotX = F_PI2;
+            }
+
+            SetRotation(fNewRotX, fNewRotY, mfSaveActionStartRotZ);
+
+            if(maChangeCallback.IsSet())
+            {
+                maChangeCallback.Call(this);
+            }
+        }
+        else
+        {
+            // interaction in progress
+            double fNewPosHor = mfSaveActionStartHor + static_cast<double>(aDeltaPos.X());
+            double fNewPosVer = mfSaveActionStartVer - static_cast<double>(aDeltaPos.Y());
+
+            // cut horizontal
+            fNewPosHor = NormAngle360(fNewPosHor);
+
+            // cut vertical
+            if(fNewPosVer < -90.0)
+            {
+                fNewPosVer = -90.0;
+            }
+
+            if(fNewPosVer > 90.0)
+            {
+                fNewPosVer = 90.0;
+            }
+
+            SetPosition(fNewPosHor, fNewPosVer);
+
+            if(maChangeCallback.IsSet())
+            {
+                maChangeCallback.Call(this);
+            }
+        }
+    }
+    return true;
+}
+
+bool LightControl3D::MouseButtonUp(const MouseEvent& rMEvt)
+{
+    if (!mbMouseCaptured)
+        return false;
+    ReleaseMouse();
+    mbMouseCaptured = false;
+
+    if (mbMouseMoved)
+    {
+        // was change interactively
+    }
+    else
+    {
+        // simple click without much movement, try selection
+        TrySelection(rMEvt.GetPosPixel());
+    }
+
+    return true;
+}
+
+void LightControl3D::Resize()
+{
+    // set size of page
+    const Size aSize(GetDrawingArea()->get_ref_device().PixelToLogic(GetOutputSizePixel()));
+    mpFmPage->SetSize(aSize);
+
+    // set position and size of scene
+    mpScene->SetSnapRect(tools::Rectangle(Point(0, 0), aSize));
+}
+
+void LightControl3D::SetObjectType(SvxPreviewObjectType nType)
+{
+    // call parent
+    PreviewControl3D::SetObjectType(nType);
+
+    // apply object rotation
+    if(mp3DObj)
+    {
+        basegfx::B3DHomMatrix aObjectRotation;
+        aObjectRotation.rotate(mfRotateX, mfRotateY, mfRotateZ);
+        mp3DObj->SetTransform(aObjectRotation);
+    }
+}
+
+bool LightControl3D::IsSelectionValid()
+{
+    return (NO_LIGHT_SELECTED != maSelectedLight) && GetLightOnOff(maSelectedLight);
+}
+
+void LightControl3D::GetPosition(double& rHor, double& rVer)
+{
+    if(IsSelectionValid())
+    {
+        basegfx::B3DVector aDirection(GetLightDirection(maSelectedLight));
+        aDirection.normalize();
+        rHor = basegfx::rad2deg(atan2(-aDirection.getX(), -aDirection.getZ()) + F_PI); // 0..360.0
+        rVer = basegfx::rad2deg(atan2(aDirection.getY(), aDirection.getXZLength())); // -90.0..90.0
+    }
+    if(IsGeometrySelected())
+    {
+        rHor = basegfx::rad2deg(mfRotateY); // 0..360.0
+        rVer = basegfx::rad2deg(mfRotateX); // -90.0..90.0
+    }
+}
+
+void LightControl3D::SetPosition(double fHor, double fVer)
+{
+    if(IsSelectionValid())
+    {
+        // set selected light's direction
+        fHor = basegfx::deg2rad(fHor) - F_PI; // -PI..PI
+        fVer = basegfx::deg2rad(fVer); // -PI2..PI2
+        basegfx::B3DVector aDirection(cos(fVer) * -sin(fHor), sin(fVer), cos(fVer) * -cos(fHor));
+        aDirection.normalize();
+
+        if(!aDirection.equal(GetLightDirection(maSelectedLight)))
+        {
+            // set changed light direction at SdrScene
+            SfxItemSet aSet(mpModel->GetItemPool());
+
+            switch(maSelectedLight)
+            {
+                case 0: aSet.Put(makeSvx3DLightDirection1Item(aDirection)); break;
+                case 1: aSet.Put(makeSvx3DLightDirection2Item(aDirection)); break;
+                case 2: aSet.Put(makeSvx3DLightDirection3Item(aDirection)); break;
+                case 3: aSet.Put(makeSvx3DLightDirection4Item(aDirection)); break;
+                case 4: aSet.Put(makeSvx3DLightDirection5Item(aDirection)); break;
+                case 5: aSet.Put(makeSvx3DLightDirection6Item(aDirection)); break;
+                case 6: aSet.Put(makeSvx3DLightDirection7Item(aDirection)); break;
+                default:
+                case 7: aSet.Put(makeSvx3DLightDirection8Item(aDirection)); break;
+            }
+
+            mpScene->SetMergedItemSet(aSet);
+
+            // correct 3D light's and LampFrame's geometries
+            AdaptToSelectedLight();
+            Invalidate();
+        }
+    }
+    if(IsGeometrySelected())
+    {
+        if(mfRotateX != fVer || mfRotateY != fHor)
+        {
+            mfRotateX = basegfx::deg2rad(fVer);
+            mfRotateY = basegfx::deg2rad(fHor);
+
+            if(mp3DObj)
+            {
+                basegfx::B3DHomMatrix aObjectRotation;
+                aObjectRotation.rotate(mfRotateX, mfRotateY, mfRotateZ);
+                mp3DObj->SetTransform(aObjectRotation);
+
+                Invalidate();
+            }
+        }
+    }
+}
+
+void LightControl3D::SetRotation(double fRotX, double fRotY, double fRotZ)
+{
+    if(IsGeometrySelected())
+    {
+        if(fRotX != mfRotateX || fRotY != mfRotateY || fRotZ != mfRotateZ)
+        {
+            mfRotateX = fRotX;
+            mfRotateY = fRotY;
+            mfRotateZ = fRotZ;
+
+            if(mp3DObj)
+            {
+                basegfx::B3DHomMatrix aObjectRotation;
+                aObjectRotation.rotate(mfRotateX, mfRotateY, mfRotateZ);
+                mp3DObj->SetTransform(aObjectRotation);
+
+                Invalidate();
+            }
+        }
+    }
+}
+
+void LightControl3D::GetRotation(double& rRotX, double& rRotY, double& rRotZ)
+{
+    rRotX = mfRotateX;
+    rRotY = mfRotateY;
+    rRotZ = mfRotateZ;
+}
+
+void LightControl3D::Set3DAttributes( const SfxItemSet& rAttr )
+{
+    // call parent
+    PreviewControl3D::Set3DAttributes(rAttr);
+
+    if(maSelectedLight != NO_LIGHT_SELECTED && !GetLightOnOff(maSelectedLight))
+    {
+        // selected light is no more active, select new one
+        maSelectedLight = NO_LIGHT_SELECTED;
+    }
+
+    // local updates
+    ConstructLightObjects();
+    AdaptToSelectedLight();
+    Invalidate();
+}
+
+void LightControl3D::SelectLight(sal_uInt32 nLightNumber)
+{
+    if(nLightNumber > 7)
+    {
+        nLightNumber = NO_LIGHT_SELECTED;
+    }
+
+    if(NO_LIGHT_SELECTED != nLightNumber)
+    {
+        if(!GetLightOnOff(nLightNumber))
+        {
+            nLightNumber = NO_LIGHT_SELECTED;
+        }
+    }
+
+    if(nLightNumber != maSelectedLight)
+    {
+        maSelectedLight = nLightNumber;
+        mbGeometrySelected = false;
+        ConstructLightObjects();
+        AdaptToSelectedLight();
+        Invalidate();
+    }
+}
+
+bool LightControl3D::GetLightOnOff(sal_uInt32 nNum) const
+{
+    if(nNum <= 7)
+    {
+        const SfxItemSet aLightItemSet(Get3DAttributes());
+
+        switch(nNum)
+        {
+            case 0 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTON_1).GetValue();
+            case 1 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTON_2).GetValue();
+            case 2 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTON_3).GetValue();
+            case 3 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTON_4).GetValue();
+            case 4 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTON_5).GetValue();
+            case 5 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTON_6).GetValue();
+            case 6 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTON_7).GetValue();
+            case 7 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTON_8).GetValue();
+        }
+    }
+
+    return false;
+}
+
+Color LightControl3D::GetLightColor(sal_uInt32 nNum) const
+{
+    if(nNum <= 7)
+    {
+        const SfxItemSet aLightItemSet(Get3DAttributes());
+
+        switch(nNum)
+        {
+            case 0 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTCOLOR_1).GetValue();
+            case 1 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTCOLOR_2).GetValue();
+            case 2 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTCOLOR_3).GetValue();
+            case 3 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTCOLOR_4).GetValue();
+            case 4 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTCOLOR_5).GetValue();
+            case 5 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTCOLOR_6).GetValue();
+            case 6 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTCOLOR_7).GetValue();
+            case 7 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTCOLOR_8).GetValue();
+        }
+    }
+
+    return COL_BLACK;
+}
+
+basegfx::B3DVector LightControl3D::GetLightDirection(sal_uInt32 nNum) const
+{
+    if(nNum <= 7)
+    {
+        const SfxItemSet aLightItemSet(Get3DAttributes());
+
+        switch(nNum)
+        {
+            case 0 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTDIRECTION_1).GetValue();
+            case 1 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTDIRECTION_2).GetValue();
+            case 2 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTDIRECTION_3).GetValue();
+            case 3 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTDIRECTION_4).GetValue();
+            case 4 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTDIRECTION_5).GetValue();
+            case 5 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTDIRECTION_6).GetValue();
+            case 6 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTDIRECTION_7).GetValue();
+            case 7 : return aLightItemSet.Get(SDRATTR_3DSCENE_LIGHTDIRECTION_8).GetValue();
+        }
+    }
+
+    return basegfx::B3DVector();
+}
+
 SvxLightCtl3D::SvxLightCtl3D( vcl::Window* pParent)
 :   Control(pParent, WB_BORDER | WB_TABSTOP),
     maLightControl(VclPtr<Svx3DLightControl>::Create(this, 0)),
@@ -1263,4 +2124,266 @@ IMPL_LINK_NOARG(SvxLightCtl3D, InternalSelectionChange, Svx3DLightControl*, void
     }
 }
 
+LightCtl3D::LightCtl3D(LightControl3D& rLightControl, weld::Scale& rHori,
+                       weld::Scale& rVert, weld::Button& rSwitcher)
+    : mrLightControl(rLightControl)
+    , mrHorScroller(rHori)
+    , mrVerScroller(rVert)
+    , mrSwitcher(rSwitcher)
+{
+    // init members
+    Init();
+}
+
+void LightCtl3D::Init()
+{
+    Size aSize(mrLightControl.GetDrawingArea()->get_ref_device().LogicToPixel(Size(80, 100), MapMode(MapUnit::MapAppFont)));
+    mrLightControl.set_size_request(aSize.Width(), aSize.Height());
+
+    // #i58240# set HelpIDs for scrollbars and switcher
+    mrHorScroller.set_help_id(HID_CTRL3D_HSCROLL);
+    mrVerScroller.set_help_id(HID_CTRL3D_VSCROLL);
+    mrSwitcher.set_help_id(HID_CTRL3D_SWITCHER);
+    mrSwitcher.set_accessible_name(SvxResId(STR_SWITCH));
+
+    // Light preview
+    mrLightControl.Show();
+    mrLightControl.SetChangeCallback( LINK(this, LightCtl3D, InternalInteractiveChange) );
+    mrLightControl.SetSelectionChangeCallback( LINK(this, LightCtl3D, InternalSelectionChange) );
+
+    // Horiz Scrollbar
+    mrHorScroller.show();
+    mrHorScroller.set_range(0, 36000);
+    mrHorScroller.connect_value_changed( LINK(this, LightCtl3D, ScrollBarMove) );
+
+    // Vert Scrollbar
+    mrVerScroller.show();
+    mrVerScroller.set_range(0, 18000);
+    mrVerScroller.connect_value_changed( LINK(this, LightCtl3D, ScrollBarMove) );
+
+    // Switch Button
+    mrSwitcher.show();
+    mrSwitcher.connect_clicked( LINK(this, LightCtl3D, ButtonPress) );
+
+    weld::DrawingArea* pArea = mrLightControl.GetDrawingArea();
+    pArea->connect_key_press(Link<const KeyEvent&, bool>()); //acknowledge we first remove the old one
+    pArea->connect_key_press(LINK(this, LightCtl3D, KeyInput));
+
+    pArea->connect_focus_in(Link<weld::Widget&, void>()); //acknowledge we first remove the old one
+    pArea->connect_focus_in(LINK(this, LightCtl3D, FocusIn));
+
+    // check selection
+    CheckSelection();
+}
+
+LightCtl3D::~LightCtl3D()
+{
+}
+
+void LightCtl3D::CheckSelection()
+{
+    const bool bSelectionValid(mrLightControl.IsSelectionValid() || mrLightControl.IsGeometrySelected());
+    mrHorScroller.set_sensitive(bSelectionValid);
+    mrVerScroller.set_sensitive(bSelectionValid);
+
+    if (bSelectionValid)
+    {
+        double fHor(0.0), fVer(0.0);
+        mrLightControl.GetPosition(fHor, fVer);
+        mrHorScroller.set_value( sal_Int32(fHor * 100.0) );
+        mrVerScroller.set_value( 18000 - sal_Int32((fVer + 90.0) * 100.0) );
+    }
+}
+
+void LightCtl3D::move( double fDeltaHor, double fDeltaVer )
+{
+    double fHor(0.0), fVer(0.0);
+
+    mrLightControl.GetPosition(fHor, fVer);
+    fHor += fDeltaHor;
+    fVer += fDeltaVer;
+
+    if( fVer > 90.0 )
+        return;
+
+    if ( fVer < -90.0 )
+        return;
+
+    mrLightControl.SetPosition(fHor, fVer);
+    mrHorScroller.set_value( sal_Int32(fHor * 100.0) );
+    mrVerScroller.set_value( 18000 - sal_Int32((fVer + 90.0) * 100.0) );
+
+    if(maUserInteractiveChangeCallback.IsSet())
+    {
+        maUserInteractiveChangeCallback.Call(this);
+    }
+}
+
+IMPL_LINK(LightCtl3D, KeyInput, const KeyEvent&, rKEvt, bool)
+{
+    const vcl::KeyCode aCode(rKEvt.GetKeyCode());
+
+    if (aCode.GetModifier())
+        return false;
+
+    bool bHandled = true;
+
+    switch ( aCode.GetCode() )
+    {
+        case KEY_SPACE:
+        {
+            break;
+        }
+        case KEY_LEFT:
+        {
+            move(  -4.0,  0.0 ); // #i58242# changed move direction in X
+            break;
+        }
+        case KEY_RIGHT:
+        {
+            move( 4.0,  0.0 ); // #i58242# changed move direction in X
+            break;
+        }
+        case KEY_UP:
+        {
+            move(  0.0,  4.0 );
+            break;
+        }
+        case KEY_DOWN:
+        {
+            move(  0.0, -4.0 );
+            break;
+        }
+        case KEY_PAGEUP:
+        {
+            sal_Int32 nLight(mrLightControl.GetSelectedLight() - 1);
+
+            while((nLight >= 0) && !mrLightControl.GetLightOnOff(nLight))
+            {
+                nLight--;
+            }
+
+            if(nLight < 0)
+            {
+                nLight = 7;
+
+                while((nLight >= 0) && !mrLightControl.GetLightOnOff(nLight))
+                {
+                    nLight--;
+                }
+            }
+
+            if(nLight >= 0)
+            {
+                mrLightControl.SelectLight(nLight);
+                CheckSelection();
+
+                if(maUserSelectionChangeCallback.IsSet())
+                {
+                    maUserSelectionChangeCallback.Call(this);
+                }
+            }
+
+            break;
+        }
+        case KEY_PAGEDOWN:
+        {
+            sal_Int32 nLight(mrLightControl.GetSelectedLight() - 1);
+
+            while(nLight <= 7 && !mrLightControl.GetLightOnOff(nLight))
+            {
+                nLight++;
+            }
+
+            if(nLight > 7)
+            {
+                nLight = 0;
+
+                while(nLight <= 7 && !mrLightControl.GetLightOnOff(nLight))
+                {
+                    nLight++;
+                }
+            }
+
+            if(nLight <= 7)
+            {
+                mrLightControl.SelectLight(nLight);
+                CheckSelection();
+
+                if(maUserSelectionChangeCallback.IsSet())
+                {
+                    maUserSelectionChangeCallback.Call(this);
+                }
+            }
+
+            break;
+        }
+        default:
+        {
+            bHandled = false;
+            break;
+        }
+    }
+    return bHandled;
+}
+
+IMPL_LINK_NOARG(LightCtl3D, FocusIn, weld::Widget&, void)
+{
+    if (mrLightControl.IsEnabled())
+    {
+        CheckSelection();
+    }
+}
+
+IMPL_LINK_NOARG(LightCtl3D, ScrollBarMove, weld::Scale&, void)
+{
+    const sal_Int32 nHor(mrHorScroller.get_value());
+    const sal_Int32 nVer(mrVerScroller.get_value());
+
+    mrLightControl.SetPosition(
+        static_cast<double>(nHor) / 100.0,
+        static_cast<double>((18000 - nVer) - 9000) / 100.0);
+
+    if (maUserInteractiveChangeCallback.IsSet())
+    {
+        maUserInteractiveChangeCallback.Call(this);
+    }
+}
+
+IMPL_LINK_NOARG(LightCtl3D, ButtonPress, weld::Button&, void)
+{
+    if(SvxPreviewObjectType::SPHERE == GetSvx3DLightControl().GetObjectType())
+    {
+        GetSvx3DLightControl().SetObjectType(SvxPreviewObjectType::CUBE);
+    }
+    else
+    {
+        GetSvx3DLightControl().SetObjectType(SvxPreviewObjectType::SPHERE);
+    }
+}
+
+IMPL_LINK_NOARG(LightCtl3D, InternalInteractiveChange, LightControl3D*, void)
+{
+    double fHor(0.0), fVer(0.0);
+
+    mrLightControl.GetPosition(fHor, fVer);
+    mrHorScroller.set_value( sal_Int32(fHor * 100.0) );
+    mrVerScroller.set_value( 18000 - sal_Int32((fVer + 90.0) * 100.0) );
+
+    if(maUserInteractiveChangeCallback.IsSet())
+    {
+        maUserInteractiveChangeCallback.Call(this);
+    }
+}
+
+IMPL_LINK_NOARG(LightCtl3D, InternalSelectionChange, LightControl3D*, void)
+{
+    CheckSelection();
+
+    if(maUserSelectionChangeCallback.IsSet())
+    {
+        maUserSelectionChangeCallback.Call(this);
+    }
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */