    /* -*- 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 <ChartController.hxx>

    #include <ResId.hxx>
    #include "UndoGuard.hxx"
    #include <DrawViewWrapper.hxx>
    #include <ChartWindow.hxx>
    #include <TitleHelper.hxx>
    #include <ObjectIdentifier.hxx>
    #include <ControllerLockGuard.hxx>
    #include <AccessibleTextHelper.hxx>
    #include <strings.hrc>
    #include <chartview/DrawModelWrapper.hxx>

    #include <svx/svdotext.hxx>
    #include <svx/svdoutl.hxx>
    #include <svx/svxdlg.hxx>
    #include <svx/dialogs.hrc>
    #include <vcl/svapp.hxx>
    #include <com/sun/star/beans/XPropertySet.hpp>
    #include <com/sun/star/chart2/XTitled.hpp>
    #include <svl/stritem.hxx>
    #include <editeng/fontitem.hxx>
    #include <memory>

    namespace chart
    {
    using namespace ::com::sun::star;

    void ChartController::executeDispatch_EditText( const Point* pMousePixel )
    {
        StartTextEdit( pMousePixel );
    }

    void ChartController::StartTextEdit( const Point* pMousePixel )
    {
        //the first marked object will be edited

        SolarMutexGuard aGuard;
        SdrObject* pTextObj = m_pDrawViewWrapper->getTextEditObject();
        if(!pTextObj)
            return;

        OSL_PRECOND( !m_pTextActionUndoGuard.get(), "ChartController::StartTextEdit: already have a TextUndoGuard!?" );
        m_pTextActionUndoGuard.reset( new UndoGuard(
            SchResId( STR_ACTION_EDIT_TEXT ), m_xUndoManager ) );
        SdrOutliner* pOutliner = m_pDrawViewWrapper->getOutliner();

        //#i77362 change notification for changes on additional shapes are missing
        uno::Reference< beans::XPropertySet > xChartViewProps( m_xChartView, uno::UNO_QUERY );
        if( xChartViewProps.is() )
            xChartViewProps->setPropertyValue( "SdrViewIsInEditMode", uno::Any(true) );

        bool bEdit = m_pDrawViewWrapper->SdrBeginTextEdit( pTextObj
                        , m_pDrawViewWrapper->GetPageView()
                        , GetChartWindow()
                        , false //bIsNewObj
                        , pOutliner
                        , nullptr //pOutlinerView
                        , true //bDontDeleteOutliner
                        , true //bOnlyOneView
                        );
        if(bEdit)
        {
            m_pDrawViewWrapper->SetEditMode();

            // #i12587# support for shapes in chart
            if ( pMousePixel )
            {
                OutlinerView* pOutlinerView = m_pDrawViewWrapper->GetTextEditOutlinerView();
                if ( pOutlinerView )
                {
                    MouseEvent aEditEvt( *pMousePixel, 1, MouseEventModifiers::SYNTHETIC, MOUSE_LEFT, 0 );
                    pOutlinerView->MouseButtonDown( aEditEvt );
                    pOutlinerView->MouseButtonUp( aEditEvt );
                }
            }

            //we invalidate the outliner region because the outliner has some
            //paint problems (some characters are painted twice a little bit shifted)
            GetChartWindow()->Invalidate( m_pDrawViewWrapper->GetMarkedObjBoundRect() );
        }
    }

    bool ChartController::EndTextEdit()
    {
        m_pDrawViewWrapper->SdrEndTextEdit();

        //#i77362 change notification for changes on additional shapes are missing
        uno::Reference< beans::XPropertySet > xChartViewProps( m_xChartView, uno::UNO_QUERY );
        if( xChartViewProps.is() )
            xChartViewProps->setPropertyValue( "SdrViewIsInEditMode", uno::Any(false) );

        SdrObject* pTextObject = m_pDrawViewWrapper->getTextEditObject();
        if(!pTextObject)
            return false;

        SdrOutliner* pOutliner = m_pDrawViewWrapper->getOutliner();
        OutlinerParaObject* pParaObj = pTextObject->GetOutlinerParaObject();
        if( pParaObj && pOutliner )
        {
            pOutliner->SetText( *pParaObj );

            OUString aString = pOutliner->GetText(
                                pOutliner->GetParagraph( 0 ),
                                pOutliner->GetParagraphCount() );

            OUString aObjectCID = m_aSelection.getSelectedCID();
            if ( !aObjectCID.isEmpty() )
            {
                uno::Reference< beans::XPropertySet > xPropSet =
                    ObjectIdentifier::getObjectPropertySet( aObjectCID, getModel() );

                // lock controllers till end of block
                ControllerLockGuardUNO aCLGuard( getModel() );

                TitleHelper::setCompleteString( aString, uno::Reference<
                    css::chart2::XTitle >::query( xPropSet ), m_xCC );

                OSL_ENSURE( m_pTextActionUndoGuard.get(), "ChartController::EndTextEdit: no TextUndoGuard!" );
                if ( m_pTextActionUndoGuard.get() )
                    m_pTextActionUndoGuard->commit();
            }
            m_pTextActionUndoGuard.reset();
        }
        return true;
    }

    void ChartController::executeDispatch_InsertSpecialCharacter()
    {
        SolarMutexGuard aGuard;
        if( !m_pDrawViewWrapper)
        {
            OSL_ENSURE( m_pDrawViewWrapper, "No DrawViewWrapper for ChartController" );
            return;
        }
        if( !m_pDrawViewWrapper->IsTextEdit() )
            StartTextEdit();

        SvxAbstractDialogFactory * pFact = SvxAbstractDialogFactory::Create();

        SfxAllItemSet aSet( m_pDrawModelWrapper->GetItemPool() );
        aSet.Put( SfxBoolItem( FN_PARAM_1, false ) );

        //set fixed current font
        aSet.Put( SfxBoolItem( FN_PARAM_2, true ) ); //maybe not necessary in future

        vcl::Font aCurFont = m_pDrawViewWrapper->getOutliner()->GetRefDevice()->GetFont();
        aSet.Put( SvxFontItem( aCurFont.GetFamilyType(), aCurFont.GetFamilyName(), aCurFont.GetStyleName(), aCurFont.GetPitch(), aCurFont.GetCharSet(), SID_ATTR_CHAR_FONT ) );

        vcl::Window* pWin = GetChartWindow();
        ScopedVclPtr<SfxAbstractDialog> pDlg(pFact->CreateCharMapDialog(pWin ? pWin->GetFrameWeld() : nullptr, aSet, false));
        if( pDlg->Execute() == RET_OK )
        {
            const SfxItemSet* pSet = pDlg->GetOutputItemSet();
            const SfxPoolItem* pItem=nullptr;
            OUString aString;
            if ( pSet && pSet->GetItemState( SID_CHARMAP, true, &pItem) == SfxItemState::SET &&
                 dynamic_cast< const SfxStringItem* >(pItem) !=  nullptr )
                    aString = dynamic_cast<const SfxStringItem*>(pItem)->GetValue();

            OutlinerView* pOutlinerView = m_pDrawViewWrapper->GetTextEditOutlinerView();
            SdrOutliner*  pOutliner = m_pDrawViewWrapper->getOutliner();

            if(!pOutliner || !pOutlinerView)
                return;

            // insert string to outliner

            // prevent flicker
            pOutlinerView->HideCursor();
            pOutliner->SetUpdateMode(false);

            // delete current selection by inserting empty String, so current
            // attributes become unique (sel. has to be erased anyway)
            pOutlinerView->InsertText(OUString());

            pOutlinerView->InsertText(aString, true);

            ESelection aSel = pOutlinerView->GetSelection();
            aSel.nStartPara = aSel.nEndPara;
            aSel.nStartPos = aSel.nEndPos;
            pOutlinerView->SetSelection(aSel);

            // show changes
            pOutliner->SetUpdateMode(true);
            pOutlinerView->ShowCursor();
        }
    }

    uno::Reference< css::accessibility::XAccessibleContext >
        ChartController::impl_createAccessibleTextContext()
    {
        uno::Reference< css::accessibility::XAccessibleContext > xResult(
            new AccessibleTextHelper( m_pDrawViewWrapper.get() ));

        return xResult;
    }

    } //namespace chart

    /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V522 There might be dereferencing of a potential null pointer.