1 files changed, 674 insertions, 0 deletions

diff --git a/cui/source/tabpages/tpgradnt.cxx b/cui/source/tabpages/tpgradnt.cxx
new file mode 100644
index 0000000000..df629a154f
--- /dev/null
+++ b/cui/source/tabpages/tpgradnt.cxx
@@ -0,0 +1,674 @@
+/* -*- 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 <memory>
+#include <tools/urlobj.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/weld.hxx>
+#include <sfx2/dialoghelper.hxx>
+
+#include <strings.hrc>
+#include <svx/xfillit0.hxx>
+#include <svx/xflgrit.hxx>
+#include <svx/colorbox.hxx>
+#include <svx/xtable.hxx>
+#include <svx/xgrscit.hxx>
+#include <cuitabarea.hxx>
+#include <svx/svxdlg.hxx>
+#include <dialmgr.hxx>
+#include <svx/dialmgr.hxx>
+#include <svx/strings.hrc>
+#include <basegfx/utils/gradienttools.hxx>
+#include <sal/log.hxx>
+
+using namespace com::sun::star;
+
+SvxGradientTabPage::SvxGradientTabPage(weld::Container* pPage, weld::DialogController* pController, const SfxItemSet& rInAttrs)
+    : SfxTabPage(pPage, pController, "cui/ui/gradientpage.ui", "GradientPage", &rInAttrs)
+    , m_rOutAttrs(rInAttrs)
+    , m_pnGradientListState(nullptr)
+    , m_pnColorListState(nullptr)
+    , m_aXFillAttr(rInAttrs.GetPool())
+    , m_rXFSet(m_aXFillAttr.GetItemSet())
+    , m_xLbGradientType(m_xBuilder->weld_combo_box("gradienttypelb"))
+    , m_xFtCenter(m_xBuilder->weld_label("centerft"))
+    , m_xMtrCenterX(m_xBuilder->weld_metric_spin_button("centerxmtr", FieldUnit::PERCENT))
+    , m_xMtrCenterY(m_xBuilder->weld_metric_spin_button("centerymtr", FieldUnit::PERCENT))
+    , m_xFtAngle(m_xBuilder->weld_label("angleft"))
+    , m_xMtrAngle(m_xBuilder->weld_metric_spin_button("anglemtr", FieldUnit::DEGREE))
+    , m_xSliderAngle(m_xBuilder->weld_scale("angleslider"))
+    , m_xMtrBorder(m_xBuilder->weld_metric_spin_button("bordermtr", FieldUnit::PERCENT))
+    , m_xSliderBorder(m_xBuilder->weld_scale("borderslider"))
+    , m_xLbColorFrom(new ColorListBox(m_xBuilder->weld_menu_button("colorfromlb"),
+                [this]{ return GetDialogController()->getDialog(); }))
+    , m_xMtrColorFrom(m_xBuilder->weld_metric_spin_button("colorfrommtr", FieldUnit::PERCENT))
+    , m_xLbColorTo(new ColorListBox(m_xBuilder->weld_menu_button("colortolb"),
+                [this]{ return GetDialogController()->getDialog(); }))
+    , m_xMtrColorTo(m_xBuilder->weld_metric_spin_button("colortomtr", FieldUnit::PERCENT))
+    , m_xGradientLB(new SvxPresetListBox(m_xBuilder->weld_scrolled_window("gradientpresetlistwin", true)))
+    , m_xMtrIncrement(m_xBuilder->weld_spin_button("incrementmtr"))
+    , m_xCbIncrement(m_xBuilder->weld_check_button("autoincrement"))
+    , m_xBtnAdd(m_xBuilder->weld_button("add"))
+    , m_xBtnModify(m_xBuilder->weld_button("modify"))
+    , m_xCtlPreview(new weld::CustomWeld(*m_xBuilder, "previewctl", m_aCtlPreview))
+    , m_xGradientLBWin(new weld::CustomWeld(*m_xBuilder, "gradientpresetlist", *m_xGradientLB))
+{
+    Size aSize = getDrawPreviewOptimalSize(m_aCtlPreview.GetDrawingArea()->get_ref_device());
+    m_xGradientLB->set_size_request(aSize.Width(), aSize.Height());
+    m_xCtlPreview->set_size_request(aSize.Width(), aSize.Height());
+    // this page needs ExchangeSupport
+    SetExchangeSupport();
+
+    // as long as NOT supported by the item
+
+    m_xMtrColorTo->set_value(100, FieldUnit::PERCENT);
+    m_xMtrColorFrom->set_value(100, FieldUnit::PERCENT);
+
+    // setting the output device
+    m_rXFSet.Put( XFillStyleItem(drawing::FillStyle_GRADIENT) );
+    m_rXFSet.Put( XFillGradientItem(OUString(), basegfx::BGradient()));
+    m_aCtlPreview.SetAttributes(m_aXFillAttr.GetItemSet());
+
+    // set handler
+    m_xGradientLB->SetSelectHdl( LINK( this, SvxGradientTabPage, ChangeGradientHdl ) );
+    m_xGradientLB->SetRenameHdl( LINK( this, SvxGradientTabPage, ClickRenameHdl_Impl ) );
+    m_xGradientLB->SetDeleteHdl( LINK( this, SvxGradientTabPage, ClickDeleteHdl_Impl ) );
+    m_xBtnAdd->connect_clicked(LINK(this, SvxGradientTabPage, ClickAddHdl_Impl));
+    m_xBtnModify->connect_clicked(LINK(this, SvxGradientTabPage, ClickModifyHdl_Impl));
+
+    Link<weld::MetricSpinButton&,void> aLink = LINK( this, SvxGradientTabPage, ModifiedMetricHdl_Impl );
+    Link<weld::ComboBox&,void> aLink2 = LINK( this, SvxGradientTabPage, ModifiedListBoxHdl_Impl );
+    m_xLbGradientType->connect_changed( aLink2 );
+    m_xCbIncrement->connect_toggled(LINK(this, SvxGradientTabPage, ChangeAutoStepHdl_Impl));
+    m_xMtrIncrement->connect_value_changed(LINK(this, SvxGradientTabPage, ModifiedEditHdl_Impl));
+    m_xMtrCenterX->connect_value_changed( aLink );
+    m_xMtrCenterY->connect_value_changed( aLink );
+    m_xMtrAngle->connect_value_changed( aLink );
+    m_xSliderAngle->connect_value_changed(LINK(this, SvxGradientTabPage, ModifiedSliderHdl_Impl));
+    m_xMtrBorder->connect_value_changed( aLink );
+    m_xSliderBorder->connect_value_changed(LINK(this, SvxGradientTabPage, ModifiedSliderHdl_Impl));
+    m_xMtrColorFrom->connect_value_changed( aLink );
+    Link<ColorListBox&,void> aLink3 = LINK( this, SvxGradientTabPage, ModifiedColorListBoxHdl_Impl );
+    m_xLbColorFrom->SetSelectHdl( aLink3 );
+    m_xMtrColorTo->connect_value_changed( aLink );
+    m_xLbColorTo->SetSelectHdl( aLink3 );
+
+    m_xGradientLB->SetStyle(WB_FLATVALUESET | WB_NO_DIRECTSELECT | WB_TABSTOP);
+
+    // #i76307# always paint the preview in LTR, because this is what the document does
+    m_aCtlPreview.EnableRTL(false);
+}
+
+SvxGradientTabPage::~SvxGradientTabPage()
+{
+    m_xCtlPreview.reset();
+    m_xGradientLBWin.reset();
+    m_xGradientLB.reset();
+    m_xLbColorTo.reset();
+    m_xLbColorFrom.reset();
+}
+
+void SvxGradientTabPage::Construct()
+{
+    m_xGradientLB->FillPresetListBox( *m_pGradientList );
+}
+
+void SvxGradientTabPage::ActivatePage( const SfxItemSet& rSet )
+{
+    if( !m_pColorList.is() )
+        return;
+
+    // ColorList
+    if( *m_pnColorListState & ChangeType::CHANGED ||
+        *m_pnColorListState & ChangeType::MODIFIED )
+    {
+        SvxAreaTabDialog* pArea = (*m_pnColorListState & ChangeType::CHANGED) ?
+            dynamic_cast<SvxAreaTabDialog*>(GetDialogController()) : nullptr;
+        if (pArea)
+            m_pColorList = pArea->GetNewColorList();
+
+        ModifiedHdl_Impl( this );
+    }
+
+    // determining (and possibly cutting) the name and
+    // displaying it in the GroupBox
+    OUString        aString = CuiResId( RID_CUISTR_TABLE ) + ": ";
+    INetURLObject   aURL( m_pGradientList->GetPath() );
+
+    aURL.Append( m_pGradientList->GetName() );
+    SAL_WARN_IF( aURL.GetProtocol() == INetProtocol::NotValid, "cui.tabpages", "invalid URL" );
+
+    if ( aURL.getBase().getLength() > 18 )
+    {
+        aString += OUString::Concat(aURL.getBase().subView( 0, 15 )) + "...";
+    }
+    else
+        aString += aURL.getBase();
+
+    sal_Int32 nPos = SearchGradientList( rSet.Get(XATTR_FILLGRADIENT).GetName() );
+    if ( nPos != -1)
+    {
+        sal_uInt16 nId = m_xGradientLB->GetItemId( static_cast<size_t>( nPos ) );
+        m_xGradientLB->SelectItem( nId );
+    }
+    // colors could have been deleted
+    ChangeGradientHdl_Impl();
+}
+
+
+DeactivateRC SvxGradientTabPage::DeactivatePage( SfxItemSet* _pSet )
+{
+    if( _pSet )
+        FillItemSet( _pSet );
+
+    return DeactivateRC::LeavePage;
+}
+
+bool SvxGradientTabPage::FillItemSet( SfxItemSet* rSet )
+{
+    std::unique_ptr<basegfx::BGradient> pBGradient;
+    size_t nPos = m_xGradientLB->IsNoSelection() ? VALUESET_ITEM_NOTFOUND : m_xGradientLB->GetSelectItemPos();
+
+    sal_uInt16 nValue = 0; // automatic step count
+    if (!m_xCbIncrement->get_active())
+        nValue = m_xMtrIncrement->get_value();
+
+    if( nPos != VALUESET_ITEM_NOTFOUND )
+    {
+        pBGradient.reset(new basegfx::BGradient( m_pGradientList->GetGradient( static_cast<sal_uInt16>(nPos) )->GetGradient() ));
+        OUString aString = m_xGradientLB->GetItemText( m_xGradientLB->GetSelectedItemId() );
+        // update StepCount to current value to be in sync with FillGradientStepCount
+        pBGradient->SetSteps(nValue);
+        rSet->Put( XFillGradientItem( aString, *pBGradient ) );
+    }
+    else
+    // gradient was passed (unidentified)
+    {
+        pBGradient.reset(new basegfx::BGradient(
+                    createColorStops(),
+                    static_cast<css::awt::GradientStyle>(m_xLbGradientType->get_active()),
+                    Degree10(static_cast<sal_Int16>(m_xMtrAngle->get_value(FieldUnit::NONE) * 10)), // should be changed in resource
+                    static_cast<sal_uInt16>(m_xMtrCenterX->get_value(FieldUnit::NONE)),
+                    static_cast<sal_uInt16>(m_xMtrCenterY->get_value(FieldUnit::NONE)),
+                    static_cast<sal_uInt16>(m_xMtrBorder->get_value(FieldUnit::NONE)),
+                    static_cast<sal_uInt16>(m_xMtrColorFrom->get_value(FieldUnit::NONE)),
+                    static_cast<sal_uInt16>(m_xMtrColorTo->get_value(FieldUnit::NONE)),
+                    nValue));
+        rSet->Put( XFillGradientItem( OUString(), *pBGradient ) );
+    }
+
+    assert( pBGradient && "basegfx::BGradient could not be created" );
+    rSet->Put( XFillStyleItem( drawing::FillStyle_GRADIENT ) );
+    rSet->Put( XGradientStepCountItem( nValue ) );
+    return true;
+}
+
+void SvxGradientTabPage::Reset( const SfxItemSet* )
+{
+    ChangeGradientHdl_Impl(); // includes setting m_xCbIncrement and m_xMtrIncrement
+
+    // determine state of the buttons
+    if( m_pGradientList->Count() )
+        m_xBtnModify->set_sensitive(true);
+    else
+        m_xBtnModify->set_sensitive(false);
+}
+
+std::unique_ptr<SfxTabPage> SvxGradientTabPage::Create( weld::Container* pPage, weld::DialogController* pController,
+                                               const SfxItemSet* rOutAttrs )
+{
+    return std::make_unique<SvxGradientTabPage>(pPage, pController, *rOutAttrs);
+}
+
+IMPL_LINK( SvxGradientTabPage, ModifiedListBoxHdl_Impl, weld::ComboBox&, rListBox, void )
+{
+    ModifiedHdl_Impl(&rListBox);
+    // gradient params changed, it is no longer one of the presets
+    m_xGradientLB->SetNoSelection();
+}
+
+IMPL_LINK( SvxGradientTabPage, ModifiedColorListBoxHdl_Impl, ColorListBox&, rListBox, void )
+{
+    ModifiedHdl_Impl(&rListBox);
+    m_xGradientLB->SetNoSelection();
+}
+
+IMPL_LINK( SvxGradientTabPage, ModifiedEditHdl_Impl, weld::SpinButton&, rBox, void )
+{
+    ModifiedHdl_Impl(&rBox);
+    m_xGradientLB->SetNoSelection();
+}
+
+IMPL_LINK( SvxGradientTabPage, ModifiedMetricHdl_Impl, weld::MetricSpinButton&, rBox, void )
+{
+    ModifiedHdl_Impl(&rBox);
+    m_xGradientLB->SetNoSelection();
+}
+
+IMPL_LINK( SvxGradientTabPage, ModifiedSliderHdl_Impl, weld::Scale&, rSlider, void )
+{
+    ModifiedHdl_Impl(&rSlider);
+    m_xGradientLB->SetNoSelection();
+}
+
+IMPL_LINK_NOARG( SvxGradientTabPage, ChangeAutoStepHdl_Impl, weld::Toggleable&, void )
+{
+    if (m_xCbIncrement->get_active())
+    {
+        m_xMtrIncrement->set_sensitive(false);
+    }
+    else
+    {
+        m_xMtrIncrement->set_sensitive(true);
+    }
+    ModifiedHdl_Impl(m_xMtrIncrement.get());
+}
+
+void SvxGradientTabPage::ModifiedHdl_Impl( void const * pControl )
+{
+    if (pControl == m_xMtrBorder.get())
+        m_xSliderBorder->set_value(m_xMtrBorder->get_value(FieldUnit::NONE));
+    if (pControl == m_xSliderBorder.get())
+        m_xMtrBorder->set_value(m_xSliderBorder->get_value(), FieldUnit::NONE);
+    if (pControl == m_xMtrAngle.get())
+        m_xSliderAngle->set_value(m_xMtrAngle->get_value(FieldUnit::NONE));
+    if (pControl == m_xSliderAngle.get())
+        m_xMtrAngle->set_value(m_xSliderAngle->get_value(), FieldUnit::NONE);
+
+    css::awt::GradientStyle eXGS = static_cast<css::awt::GradientStyle>(m_xLbGradientType->get_active());
+
+    sal_uInt16 nValue = 0; // automatic
+    if (!m_xCbIncrement->get_active())
+        nValue = static_cast<sal_uInt16>(m_xMtrIncrement->get_value());
+
+    basegfx::BGradient aBGradient(
+                          createColorStops(),
+                          eXGS,
+                          Degree10(static_cast<sal_Int16>(m_xMtrAngle->get_value(FieldUnit::NONE) * 10)), // should be changed in resource
+                          static_cast<sal_uInt16>(m_xMtrCenterX->get_value(FieldUnit::NONE)),
+                          static_cast<sal_uInt16>(m_xMtrCenterY->get_value(FieldUnit::NONE)),
+                          static_cast<sal_uInt16>(m_xMtrBorder->get_value(FieldUnit::NONE)),
+                          static_cast<sal_uInt16>(m_xMtrColorFrom->get_value(FieldUnit::NONE)),
+                          static_cast<sal_uInt16>(m_xMtrColorTo->get_value(FieldUnit::NONE)),
+                          nValue);
+
+    // enable/disable controls
+    if (pControl == m_xLbGradientType.get() || pControl == this)
+        SetControlState_Impl( eXGS );
+
+    m_rXFSet.Put( XGradientStepCountItem( nValue ) );
+
+    // displaying in XOutDev
+    m_rXFSet.Put( XFillGradientItem( OUString(), aBGradient ) );
+    m_aCtlPreview.SetAttributes(m_aXFillAttr.GetItemSet());
+    m_aCtlPreview.Invalidate();
+}
+
+IMPL_LINK_NOARG(SvxGradientTabPage, ClickAddHdl_Impl, weld::Button&, void)
+{
+    OUString aNewName( SvxResId( RID_SVXSTR_GRADIENT ) );
+    OUString aDesc( CuiResId( RID_CUISTR_DESC_GRADIENT ) );
+    OUString aName;
+
+    tools::Long nCount = m_pGradientList->Count();
+    tools::Long j = 1;
+    bool bValidGradientName = false;
+
+    while( !bValidGradientName )
+    {
+        aName  = aNewName + " " + OUString::number( j++ );
+        bValidGradientName = (SearchGradientList(aName) == -1);
+    }
+
+    SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
+    ScopedVclPtr<AbstractSvxNameDialog> pDlg(pFact->CreateSvxNameDialog(GetFrameWeld(), aName, aDesc));
+    sal_uInt16 nError   = 1;
+
+    while (pDlg->Execute() == RET_OK)
+    {
+        pDlg->GetName( aName );
+
+        bValidGradientName = (SearchGradientList(aName) == -1);
+
+        if (bValidGradientName)
+        {
+            nError = 0;
+            break;
+        }
+
+        std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(GetFrameWeld(), "cui/ui/queryduplicatedialog.ui"));
+        std::unique_ptr<weld::MessageDialog> xWarnBox(xBuilder->weld_message_dialog("DuplicateNameDialog"));
+        if (xWarnBox->run() != RET_OK)
+            break;
+    }
+    pDlg.disposeAndClear();
+
+    if( !nError )
+    {
+        sal_uInt16 nValue = 0; // automatic step count
+        if (!m_xCbIncrement->get_active())
+            nValue = m_xMtrIncrement->get_value();
+        basegfx::BGradient aBGradient(
+                              createColorStops(),
+                              static_cast<css::awt::GradientStyle>(m_xLbGradientType->get_active()),
+                              Degree10(static_cast<sal_Int16>(m_xMtrAngle->get_value(FieldUnit::NONE) * 10)), // should be changed in resource
+                              static_cast<sal_uInt16>(m_xMtrCenterX->get_value(FieldUnit::NONE)),
+                              static_cast<sal_uInt16>(m_xMtrCenterY->get_value(FieldUnit::NONE)),
+                              static_cast<sal_uInt16>(m_xMtrBorder->get_value(FieldUnit::NONE)),
+                              static_cast<sal_uInt16>(m_xMtrColorFrom->get_value(FieldUnit::NONE)),
+                              static_cast<sal_uInt16>(m_xMtrColorTo->get_value(FieldUnit::NONE)),
+                              nValue);
+
+        m_pGradientList->Insert(std::make_unique<XGradientEntry>(aBGradient, aName), nCount);
+
+        sal_Int32 nId = m_xGradientLB->GetItemId(nCount - 1); //calculate the last ID
+        BitmapEx aBitmap = m_pGradientList->GetBitmapForPreview( nCount, m_xGradientLB->GetIconSize() );
+        m_xGradientLB->InsertItem( nId + 1, Image(aBitmap), aName );
+        m_xGradientLB->SelectItem( nId + 1 );
+        m_xGradientLB->Resize();
+
+        *m_pnGradientListState |= ChangeType::MODIFIED;
+
+        ChangeGradientHdl_Impl();
+    }
+
+    // determine button state
+    if (m_pGradientList->Count())
+        m_xBtnModify->set_sensitive(true);
+}
+
+
+IMPL_LINK_NOARG(SvxGradientTabPage, ClickModifyHdl_Impl, weld::Button&, void)
+{
+    sal_uInt16 nId = m_xGradientLB->GetSelectedItemId();
+    size_t nPos = m_xGradientLB->GetSelectItemPos();
+
+    if ( nPos == VALUESET_ITEM_NOTFOUND )
+        return;
+
+    OUString aName( m_pGradientList->GetGradient( static_cast<sal_uInt16>(nPos) )->GetName() );
+
+    sal_uInt16 nValue = 0; // automatic step count
+    if (!m_xCbIncrement->get_active())
+        nValue = m_xMtrIncrement->get_value();
+
+    basegfx::BGradient aBGradient(
+                          createColorStops(),
+                          static_cast<css::awt::GradientStyle>(m_xLbGradientType->get_active()),
+                          Degree10(static_cast<sal_Int16>(m_xMtrAngle->get_value(FieldUnit::NONE) * 10)), // should be changed in resource
+                          static_cast<sal_uInt16>(m_xMtrCenterX->get_value(FieldUnit::NONE)),
+                          static_cast<sal_uInt16>(m_xMtrCenterY->get_value(FieldUnit::NONE)),
+                          static_cast<sal_uInt16>(m_xMtrBorder->get_value(FieldUnit::NONE)),
+                          static_cast<sal_uInt16>(m_xMtrColorFrom->get_value(FieldUnit::NONE)),
+                          static_cast<sal_uInt16>(m_xMtrColorTo->get_value(FieldUnit::NONE)),
+                          nValue);
+
+    m_pGradientList->Replace(std::make_unique<XGradientEntry>(aBGradient, aName), nPos);
+
+    BitmapEx aBitmap = m_pGradientList->GetBitmapForPreview( static_cast<sal_uInt16>(nPos), m_xGradientLB->GetIconSize() );
+    m_xGradientLB->RemoveItem( nId );
+    m_xGradientLB->InsertItem( nId, Image(aBitmap), aName, static_cast<sal_uInt16>(nPos) );
+    m_xGradientLB->SelectItem( nId );
+
+    *m_pnGradientListState |= ChangeType::MODIFIED;
+}
+
+IMPL_LINK_NOARG(SvxGradientTabPage, ClickDeleteHdl_Impl, SvxPresetListBox*, void)
+{
+    sal_uInt16 nId = m_xGradientLB->GetSelectedItemId();
+    size_t nPos = m_xGradientLB->GetSelectItemPos();
+
+    if( nPos != VALUESET_ITEM_NOTFOUND )
+    {
+        std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(GetFrameWeld(), "cui/ui/querydeletegradientdialog.ui"));
+        std::unique_ptr<weld::MessageDialog> xQueryBox(xBuilder->weld_message_dialog("AskDelGradientDialog"));
+        if (xQueryBox->run() == RET_YES)
+        {
+            m_pGradientList->Remove(nPos);
+            m_xGradientLB->RemoveItem( nId );
+            nId = m_xGradientLB->GetItemId( 0 );
+            m_xGradientLB->SelectItem( nId );
+            m_xGradientLB->Resize();
+
+            m_aCtlPreview.Invalidate();
+
+            ChangeGradientHdl_Impl();
+
+            *m_pnGradientListState |= ChangeType::MODIFIED;
+        }
+    }
+    // determine button state
+    if( !m_pGradientList->Count() )
+        m_xBtnModify->set_sensitive(false);
+}
+
+IMPL_LINK_NOARG(SvxGradientTabPage, ClickRenameHdl_Impl, SvxPresetListBox*, void)
+{
+    sal_uInt16 nId = m_xGradientLB->GetSelectedItemId();
+    size_t nPos = m_xGradientLB->GetSelectItemPos();
+
+    if ( nPos == VALUESET_ITEM_NOTFOUND )
+        return;
+
+    OUString aDesc( CuiResId( RID_CUISTR_DESC_GRADIENT ) );
+    OUString aName( m_pGradientList->GetGradient( nPos )->GetName() );
+
+    SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
+    ScopedVclPtr<AbstractSvxNameDialog> pDlg(pFact->CreateSvxNameDialog(GetFrameWeld(), aName, aDesc));
+
+    bool bLoop = true;
+    while( bLoop && pDlg->Execute() == RET_OK )
+    {
+        pDlg->GetName( aName );
+        sal_Int32 nGradientPos = SearchGradientList(aName);
+        bool bValidGradientName = (nGradientPos == static_cast<sal_Int32>(nPos) ) || (nGradientPos == -1);
+
+        if( bValidGradientName )
+        {
+            bLoop = false;
+            m_pGradientList->GetGradient(nPos)->SetName(aName);
+
+            m_xGradientLB->SetItemText( nId, aName );
+            m_xGradientLB->SelectItem( nId );
+
+            *m_pnGradientListState |= ChangeType::MODIFIED;
+        }
+        else
+        {
+            std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(GetFrameWeld(), "cui/ui/queryduplicatedialog.ui"));
+            std::unique_ptr<weld::MessageDialog> xBox(xBuilder->weld_message_dialog("DuplicateNameDialog"));
+            xBox->run();
+        }
+    }
+}
+
+IMPL_LINK_NOARG(SvxGradientTabPage, ChangeGradientHdl, ValueSet*, void)
+{
+    ChangeGradientHdl_Impl();
+}
+
+void SvxGradientTabPage::ChangeGradientHdl_Impl()
+{
+    std::unique_ptr<basegfx::BGradient> pGradient;
+    size_t nPos = m_xGradientLB->GetSelectItemPos();
+
+    if( nPos != VALUESET_ITEM_NOTFOUND )
+        pGradient.reset(new basegfx::BGradient( m_pGradientList->GetGradient( static_cast<sal_uInt16>( nPos ) )->GetGradient() ));
+    else
+    {
+        if( const XFillStyleItem* pFillStyleItem = m_rOutAttrs.GetItemIfSet( GetWhich( XATTR_FILLSTYLE ) ) )
+        {
+            const XFillGradientItem* pGradientItem;
+            if( ( drawing::FillStyle_GRADIENT == pFillStyleItem->GetValue() ) &&
+                ( pGradientItem = m_rOutAttrs.GetItemIfSet( GetWhich( XATTR_FILLGRADIENT ) ) ) )
+            {
+                pGradient.reset(new basegfx::BGradient( pGradientItem->GetGradientValue() ));
+            }
+        }
+        if( !pGradient )
+        {
+            sal_uInt16 nPosition = m_xGradientLB->GetItemId(0);
+            m_xGradientLB->SelectItem( nPosition );
+            if( nPosition != 0 )
+                pGradient.reset(new basegfx::BGradient( m_pGradientList->GetGradient( 0 )->GetGradient() ));
+        }
+    }
+
+    if( !pGradient )
+        return;
+
+    css::awt::GradientStyle eXGS = pGradient->GetGradientStyle();
+    sal_uInt16 nValue = pGradient->GetSteps();
+    if (const XGradientStepCountItem* pGradientStepCountItem = m_rOutAttrs.GetItemIfSet(GetWhich(XATTR_GRADIENTSTEPCOUNT)))
+    {
+        nValue = pGradientStepCountItem->GetValue();
+    }
+    if( nValue == 0 )
+    {
+        m_xCbIncrement->set_state(TRISTATE_TRUE);
+        m_xMtrIncrement->set_sensitive(false);
+    }
+    else
+    {
+        m_xCbIncrement->set_state(TRISTATE_FALSE);
+        m_xMtrIncrement->set_sensitive(true);
+        m_xMtrIncrement->set_value( nValue );
+    }
+    m_xLbGradientType->set_active(
+        sal::static_int_cast< sal_Int32 >( eXGS ) );
+    // if the entry is not in the listbox,
+    // colors are added temporarily
+    m_xLbColorFrom->SetNoSelection();
+    m_xLbColorFrom->SelectEntry(Color(pGradient->GetColorStops().front().getStopColor()));
+
+    m_xLbColorTo->SetNoSelection();
+    m_xLbColorTo->SelectEntry(Color(pGradient->GetColorStops().back().getStopColor()));
+
+    // MCGR: preserve ColorStops if given.
+    // tdf#155901 We need offset of first and last stop, so include them.
+    if (pGradient->GetColorStops().size() >= 2)
+        m_aColorStops = pGradient->GetColorStops();
+    else
+        m_aColorStops.clear();
+
+    m_xMtrAngle->set_value(pGradient->GetAngle().get() / 10, FieldUnit::NONE); // should be changed in resource
+    m_xSliderAngle->set_value(pGradient->GetAngle().get() / 10);
+    m_xMtrBorder->set_value(pGradient->GetBorder(), FieldUnit::NONE);
+    m_xSliderBorder->set_value(pGradient->GetBorder());
+    m_xMtrCenterX->set_value(pGradient->GetXOffset(), FieldUnit::NONE);
+    m_xMtrCenterY->set_value(pGradient->GetYOffset(), FieldUnit::NONE);
+    m_xMtrColorFrom->set_value(pGradient->GetStartIntens(), FieldUnit::NONE);
+    m_xMtrColorTo->set_value(pGradient->GetEndIntens(), FieldUnit::NONE);
+
+    // disable/enable controls
+    SetControlState_Impl( eXGS );
+
+    // fill ItemSet and pass it on to aCtlPreview
+    m_rXFSet.Put( XFillGradientItem( OUString(), *pGradient ) );
+    m_rXFSet.Put( XGradientStepCountItem( nValue ) );
+    m_aCtlPreview.SetAttributes(m_aXFillAttr.GetItemSet());
+
+    m_aCtlPreview.Invalidate();
+}
+
+void SvxGradientTabPage::SetControlState_Impl( css::awt::GradientStyle eXGS )
+{
+    switch( eXGS )
+    {
+        case css::awt::GradientStyle_LINEAR:
+        case css::awt::GradientStyle_AXIAL:
+            m_xFtCenter->set_sensitive(false);
+            m_xMtrCenterX->set_sensitive(false);
+            m_xMtrCenterY->set_sensitive(false);
+            m_xFtAngle->set_sensitive(true);
+            m_xMtrAngle->set_sensitive(true);
+            m_xSliderAngle->set_sensitive(true);
+            break;
+
+        case css::awt::GradientStyle_RADIAL:
+            m_xFtCenter->set_sensitive(true);
+            m_xMtrCenterX->set_sensitive(true);
+            m_xMtrCenterY->set_sensitive(true);
+            m_xFtAngle->set_sensitive(false);
+            m_xMtrAngle->set_sensitive(false);
+            m_xSliderAngle->set_sensitive(false);
+            break;
+
+        case css::awt::GradientStyle_ELLIPTICAL:
+            m_xFtCenter->set_sensitive(true);
+            m_xMtrCenterX->set_sensitive(true);
+            m_xMtrCenterY->set_sensitive(true);
+            m_xFtAngle->set_sensitive(true);
+            m_xMtrAngle->set_sensitive(true);
+            m_xSliderAngle->set_sensitive(true);
+            break;
+
+        case css::awt::GradientStyle_SQUARE:
+        case css::awt::GradientStyle_RECT:
+            m_xFtCenter->set_sensitive(true);
+            m_xMtrCenterX->set_sensitive(true);
+            m_xMtrCenterY->set_sensitive(true);
+            m_xFtAngle->set_sensitive(true);
+            m_xMtrAngle->set_sensitive(true);
+            m_xSliderAngle->set_sensitive(true);
+            break;
+        default:
+            break;
+    }
+}
+
+sal_Int32 SvxGradientTabPage::SearchGradientList(std::u16string_view rGradientName)
+{
+    tools::Long nCount = m_pGradientList->Count();
+    bool bValidGradientName = true;
+    sal_Int32 nPos = -1;
+
+    for(tools::Long i = 0;i < nCount && bValidGradientName;i++)
+    {
+        if(rGradientName == m_pGradientList->GetGradient( i )->GetName())
+        {
+            nPos = i;
+            bValidGradientName = false;
+        }
+    }
+    return nPos;
+}
+
+basegfx::BColorStops SvxGradientTabPage::createColorStops()
+{
+    basegfx::BColorStops aColorStops;
+
+    if(m_aColorStops.size() >= 2)
+    {
+        aColorStops = m_aColorStops;
+        aColorStops.front() = basegfx::BColorStop(m_aColorStops.front().getStopOffset(),
+                                                  m_xLbColorFrom->GetSelectEntryColor().getBColor());
+        aColorStops.back() = basegfx::BColorStop(m_aColorStops.back().getStopOffset(),
+                                                 m_xLbColorTo->GetSelectEntryColor().getBColor());
+    }
+    else
+    {
+        aColorStops.emplace_back(0.0, m_xLbColorFrom->GetSelectEntryColor().getBColor());
+        aColorStops.emplace_back(1.0, m_xLbColorTo->GetSelectEntryColor().getBColor());
+    }
+
+    return aColorStops;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */