Cppcheck report - LibreOffice 2020-06-13 19:58:00 41c465b5ee443ec04441077b5eb80f263336ea8a, CppCheck 2020-06-13 18:19:47 6d5d12f283cf568d2dfe09aa77cb41f34b322d62: svx/source/dialog/weldeditview.cxx

/* -*- 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 <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/XAccessibleComponent.hpp>
#include <com/sun/star/accessibility/XAccessibleContext.hpp>
#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <editeng/eeitem.hxx>
#include <editeng/fhgtitem.hxx>
#include <editeng/fontitem.hxx>
#include <editeng/outliner.hxx>
#include <editeng/unoedhlp.hxx>
#include <editeng/unoedsrc.hxx>
#include <i18nlangtag/languagetag.hxx>
#include <osl/diagnose.h>
#include <svl/itemset.hxx>
#include <sal/log.hxx>
#include <svx/AccessibleTextHelper.hxx>
#include <svx/weldeditview.hxx>
#include <tools/diagnose_ex.h>
#include <unotools/accessiblestatesethelper.hxx>
#include <vcl/cursor.hxx>
#include <vcl/event.hxx>
#include <vcl/ptrstyle.hxx>
#include <vcl/settings.hxx>
#include <vcl/svapp.hxx>

WeldEditView::WeldEditView() {}

// tdf#127033 want to use UI font so override makeEditEngine to enable that
void WeldEditView::makeEditEngine()
{
    SfxItemPool* pItemPool = EditEngine::CreatePool();

    vcl::Font aAppFont(Application::GetSettings().GetStyleSettings().GetAppFont());

    pItemPool->SetPoolDefaultItem(SvxFontItem(aAppFont.GetFamilyType(), aAppFont.GetFamilyName(),
                                              "", PITCH_DONTKNOW, RTL_TEXTENCODING_DONTKNOW,
                                              EE_CHAR_FONTINFO));
    pItemPool->SetPoolDefaultItem(SvxFontItem(aAppFont.GetFamilyType(), aAppFont.GetFamilyName(),
                                              "", PITCH_DONTKNOW, RTL_TEXTENCODING_DONTKNOW,
                                              EE_CHAR_FONTINFO_CJK));
    pItemPool->SetPoolDefaultItem(SvxFontItem(aAppFont.GetFamilyType(), aAppFont.GetFamilyName(),
                                              "", PITCH_DONTKNOW, RTL_TEXTENCODING_DONTKNOW,
                                              EE_CHAR_FONTINFO_CTL));

    pItemPool->SetPoolDefaultItem(
        SvxFontHeightItem(aAppFont.GetFontHeight() * 20, 100, EE_CHAR_FONTHEIGHT));
    pItemPool->SetPoolDefaultItem(
        SvxFontHeightItem(aAppFont.GetFontHeight() * 20, 100, EE_CHAR_FONTHEIGHT_CJK));
    pItemPool->SetPoolDefaultItem(
        SvxFontHeightItem(aAppFont.GetFontHeight() * 20, 100, EE_CHAR_FONTHEIGHT_CTL));

    m_xEditEngine.reset(new EditEngine(pItemPool));
}

void WeldEditView::Resize()
{
    OutputDevice& rDevice = GetDrawingArea()->get_ref_device();
    Size aOutputSize(rDevice.PixelToLogic(GetOutputSizePixel()));
    Size aSize(aOutputSize);
    m_xEditEngine->SetPaperSize(aSize);
    m_xEditView->SetOutputArea(tools::Rectangle(Point(0, 0), aOutputSize));
    weld::CustomWidgetController::Resize();
}

void WeldEditView::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
{
    //note: ScEditWindow::Paint is similar

    rRenderContext.Push(PushFlags::ALL);
    rRenderContext.SetClipRegion();

    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
    Color aBgColor = rStyleSettings.GetWindowColor();

    m_xEditView->SetBackgroundColor(aBgColor);

    rRenderContext.SetBackground(aBgColor);

    tools::Rectangle aLogicRect(rRenderContext.PixelToLogic(rRect));
    m_xEditView->Paint(aLogicRect, &rRenderContext);

    if (HasFocus())
    {
        m_xEditView->ShowCursor();
        vcl::Cursor* pCursor = m_xEditView->GetCursor();
        pCursor->DrawToDevice(rRenderContext);
    }

    std::vector<tools::Rectangle> aLogicRects;

    // get logic selection
    m_xEditView->GetSelectionRectangles(aLogicRects);

    rRenderContext.SetLineColor();
    rRenderContext.SetFillColor(COL_BLACK);
    rRenderContext.SetRasterOp(RasterOp::Invert);

    for (const auto& rSelectionRect : aLogicRects)
        rRenderContext.DrawRect(rSelectionRect);

    rRenderContext.Pop();
}

bool WeldEditView::MouseMove(const MouseEvent& rMEvt) { return m_xEditView->MouseMove(rMEvt); }

bool WeldEditView::MouseButtonDown(const MouseEvent& rMEvt)
{
    if (!HasFocus())
    {
        GrabFocus();
        GetFocus();
    }

    return m_xEditView->MouseButtonDown(rMEvt);
}

bool WeldEditView::MouseButtonUp(const MouseEvent& rMEvt)
{
    return m_xEditView->MouseButtonUp(rMEvt);
}

bool WeldEditView::KeyInput(const KeyEvent& rKEvt)
{
    sal_uInt16 nKey = rKEvt.GetKeyCode().GetCode();

    if (nKey == KEY_TAB)
    {
        return false;
    }
    else if (!m_xEditView->PostKeyEvent(rKEvt))
    {
        if (rKEvt.GetKeyCode().IsMod1() && !rKEvt.GetKeyCode().IsMod2())
        {
            if (nKey == KEY_A)
            {
                sal_Int32 nPar = m_xEditEngine->GetParagraphCount();
                if (nPar)
                {
                    sal_Int32 nLen = m_xEditEngine->GetTextLen(nPar - 1);
                    m_xEditView->SetSelection(ESelection(0, 0, nPar - 1, nLen));
                }
                return true;
            }
        }

        return false;
    }

    return true;
}

bool WeldEditView::Command(const CommandEvent& rCEvt)
{
    m_xEditView->Command(rCEvt);
    return true;
}

class WeldEditAccessible;

namespace
{
class WeldViewForwarder : public SvxViewForwarder
{
    WeldEditAccessible& m_rEditAcc;

    WeldViewForwarder(const WeldViewForwarder&) = delete;
    WeldViewForwarder& operator=(const WeldViewForwarder&) = delete;

public:
    explicit WeldViewForwarder(WeldEditAccessible& rAcc)
        : m_rEditAcc(rAcc)
    {
    }

    virtual bool IsValid() const override;
    virtual Point LogicToPixel(const Point& rPoint, const MapMode& rMapMode) const override;
    virtual Point PixelToLogic(const Point& rPoint, const MapMode& rMapMode) const override;
};
}

class WeldEditAccessible;

namespace
{
class WeldEditSource;

/* analog to SvxEditEngineForwarder */
class WeldTextForwarder : public SvxTextForwarder
{
    WeldEditAccessible& m_rEditAcc;
    WeldEditSource& m_rEditSource;

    DECL_LINK(NotifyHdl, EENotify&, void);

    WeldTextForwarder(const WeldTextForwarder&) = delete;
    WeldTextForwarder& operator=(const WeldTextForwarder&) = delete;

public:
    WeldTextForwarder(WeldEditAccessible& rAcc, WeldEditSource& rSource);
    virtual ~WeldTextForwarder() override;

    virtual sal_Int32 GetParagraphCount() const override;
    virtual sal_Int32 GetTextLen(sal_Int32 nParagraph) const override;
    virtual OUString GetText(const ESelection& rSel) const override;
    virtual SfxItemSet GetAttribs(const ESelection& rSel, EditEngineAttribs nOnlyHardAttrib
                                                          = EditEngineAttribs::All) const override;
    virtual SfxItemSet GetParaAttribs(sal_Int32 nPara) const override;
    virtual void SetParaAttribs(sal_Int32 nPara, const SfxItemSet& rSet) override;
    virtual void RemoveAttribs(const ESelection& rSelection) override;
    virtual void GetPortions(sal_Int32 nPara, std::vector<sal_Int32>& rList) const override;

    virtual SfxItemState GetItemState(const ESelection& rSel, sal_uInt16 nWhich) const override;
    virtual SfxItemState GetItemState(sal_Int32 nPara, sal_uInt16 nWhich) const override;

    virtual void QuickInsertText(const OUString& rText, const ESelection& rSel) override;
    virtual void QuickInsertField(const SvxFieldItem& rFld, const ESelection& rSel) override;
    virtual void QuickSetAttribs(const SfxItemSet& rSet, const ESelection& rSel) override;
    virtual void QuickInsertLineBreak(const ESelection& rSel) override;

    virtual SfxItemPool* GetPool() const override;

    virtual OUString CalcFieldValue(const SvxFieldItem& rField, sal_Int32 nPara, sal_Int32 nPos,
                                    std::optional<Color>& rpTxtColor,
                                    std::optional<Color>& rpFldColor) override;
    virtual void FieldClicked(const SvxFieldItem&) override;
    virtual bool IsValid() const override;

    virtual LanguageType GetLanguage(sal_Int32, sal_Int32) const override;
    virtual sal_Int32 GetFieldCount(sal_Int32 nPara) const override;
    virtual EFieldInfo GetFieldInfo(sal_Int32 nPara, sal_uInt16 nField) const override;
    virtual EBulletInfo GetBulletInfo(sal_Int32 nPara) const override;
    virtual tools::Rectangle GetCharBounds(sal_Int32 nPara, sal_Int32 nIndex) const override;
    virtual tools::Rectangle GetParaBounds(sal_Int32 nPara) const override;
    virtual MapMode GetMapMode() const override;
    virtual OutputDevice* GetRefDevice() const override;
    virtual bool GetIndexAtPoint(const Point&, sal_Int32& nPara, sal_Int32& nIndex) const override;
    virtual bool GetWordIndices(sal_Int32 nPara, sal_Int32 nIndex, sal_Int32& nStart,
                                sal_Int32& nEnd) const override;
    virtual bool GetAttributeRun(sal_Int32& nStartIndex, sal_Int32& nEndIndex, sal_Int32 nPara,
                                 sal_Int32 nIndex, bool bInCell = false) const override;
    virtual sal_Int32 GetLineCount(sal_Int32 nPara) const override;
    virtual sal_Int32 GetLineLen(sal_Int32 nPara, sal_Int32 nLine) const override;
    virtual void GetLineBoundaries(/*out*/ sal_Int32& rStart, /*out*/ sal_Int32& rEnd,
                                   sal_Int32 nParagraph, sal_Int32 nLine) const override;
    virtual sal_Int32 GetLineNumberAtIndex(sal_Int32 nPara, sal_Int32 nLine) const override;
    virtual bool Delete(const ESelection&) override;
    virtual bool InsertText(const OUString&, const ESelection&) override;
    virtual bool QuickFormatDoc(bool bFull = false) override;

    virtual sal_Int16 GetDepth(sal_Int32 nPara) const override;
    virtual bool SetDepth(sal_Int32 nPara, sal_Int16 nNewDepth) override;

    virtual const SfxItemSet* GetEmptyItemSetPtr() override;
    // implementation functions for XParagraphAppend and XTextPortionAppend
    virtual void AppendParagraph() override;
    virtual sal_Int32 AppendTextPortion(sal_Int32 nPara, const OUString& rText,
                                        const SfxItemSet& rSet) override;

    virtual void CopyText(const SvxTextForwarder& rSource) override;
};

/* analog to SvxEditEngineViewForwarder */
class WeldEditViewForwarder : public SvxEditViewForwarder
{
    WeldEditAccessible& m_rEditAcc;

    WeldEditViewForwarder(const WeldEditViewForwarder&) = delete;
    WeldEditViewForwarder& operator=(const WeldEditViewForwarder&) = delete;

public:
    explicit WeldEditViewForwarder(WeldEditAccessible& rAcc);

    virtual bool IsValid() const override;

    virtual Point LogicToPixel(const Point& rPoint, const MapMode& rMapMode) const override;
    virtual Point PixelToLogic(const Point& rPoint, const MapMode& rMapMode) const override;

    virtual bool GetSelection(ESelection& rSelection) const override;
    virtual bool SetSelection(const ESelection& rSelection) override;
    virtual bool Copy() override;
    virtual bool Cut() override;
    virtual bool Paste() override;
};

class WeldEditSource : public SvxEditSource
{
    SfxBroadcaster m_aBroadCaster;
    WeldViewForwarder m_aViewFwd;
    WeldTextForwarder m_aTextFwd;
    WeldEditViewForwarder m_aEditViewFwd;
    WeldEditAccessible& m_rEditAcc;

    WeldEditSource(const WeldEditSource& rSrc)
        : SvxEditSource()
        , m_aViewFwd(rSrc.m_rEditAcc)
        , m_aTextFwd(rSrc.m_rEditAcc, *this)
        , m_aEditViewFwd(rSrc.m_rEditAcc)
        , m_rEditAcc(rSrc.m_rEditAcc)
    {
    }

    WeldEditSource& operator=(const WeldEditSource&) = delete;

public:
    WeldEditSource(WeldEditAccessible& rAcc)
<--- Class 'WeldEditSource' has a constructor with 1 argument that is not explicit. [+]
Class 'WeldEditSource' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided.
        : m_aViewFwd(rAcc)
        , m_aTextFwd(rAcc, *this)
        , m_aEditViewFwd(rAcc)
        , m_rEditAcc(rAcc)
    {
    }

    virtual std::unique_ptr<SvxEditSource> Clone() const override
    {
        return std::unique_ptr<SvxEditSource>(new WeldEditSource(*this));
    }

    virtual SvxTextForwarder* GetTextForwarder() override { return &m_aTextFwd; }

    virtual SvxViewForwarder* GetViewForwarder() override { return &m_aViewFwd; }

    virtual SvxEditViewForwarder* GetEditViewForwarder(bool /*bCreate*/) override
    {
        return &m_aEditViewFwd;
    }

    virtual void UpdateData() override
    {
        // would possibly only by needed if the XText interface is implemented
        // and its text needs to be updated.
    }
    virtual SfxBroadcaster& GetBroadcaster() const override
    {
        return const_cast<WeldEditSource*>(this)->m_aBroadCaster;
    }
};
}

typedef cppu::WeakImplHelper<
    css::accessibility::XAccessible, css::accessibility::XAccessibleComponent,
    css::accessibility::XAccessibleContext, css::accessibility::XAccessibleEventBroadcaster>
    WeldEditAccessibleBaseClass;

class WeldEditAccessible : public WeldEditAccessibleBaseClass
{
    weld::CustomWidgetController* m_pController;
    EditEngine* m_pEditEngine;
    EditView* m_pEditView;
    std::unique_ptr<::accessibility::AccessibleTextHelper> m_xTextHelper;

public:
    WeldEditAccessible(weld::CustomWidgetController* pController)
<--- Class 'WeldEditAccessible' has a constructor with 1 argument that is not explicit. [+]
Class 'WeldEditAccessible' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided.
        : m_pController(pController)
        , m_pEditEngine(nullptr)
        , m_pEditView(nullptr)
    {
    }

    ::accessibility::AccessibleTextHelper* GetTextHelper() { return m_xTextHelper.get(); }

    void Init(EditEngine* pEditEngine, EditView* pEditView)
    {
        m_pEditEngine = pEditEngine;
        m_pEditView = pEditView;
        m_xTextHelper.reset(
            new ::accessibility::AccessibleTextHelper(std::make_unique<WeldEditSource>(*this)));
        m_xTextHelper->SetEventSource(this);
    }

    EditEngine* GetEditEngine() { return m_pEditEngine; }
    EditView* GetEditView() { return m_pEditView; }

    void ClearWin()
    {
        // remove handler before current object gets destroyed
        // (avoid handler being called for already dead object)
        m_pEditEngine->SetNotifyHdl(Link<EENotify&, void>());

        m_pEditEngine = nullptr;
        m_pEditView = nullptr;
        m_pController = nullptr; // implicitly results in AccessibleStateType::DEFUNC set

        //! make TextHelper implicitly release C++ references to some core objects
        m_xTextHelper->SetEditSource(::std::unique_ptr<SvxEditSource>());

        //! make TextHelper release references
        //! (e.g. the one set by the 'SetEventSource' call)
        m_xTextHelper->Dispose();
        m_xTextHelper.reset();
    }

    // XAccessible
    virtual css::uno::Reference<css::accessibility::XAccessibleContext>
        SAL_CALL getAccessibleContext() override
    {
        return this;
    }

    // XAccessibleComponent
    virtual sal_Bool SAL_CALL containsPoint(const css::awt::Point& rPoint) override
    {
        //! the arguments coordinates are relative to the current window !
        //! Thus the top left-point is (0, 0)
        SolarMutexGuard aGuard;
        if (!m_pController)
            throw css::uno::RuntimeException();

        Size aSz(m_pController->GetOutputSizePixel());
        return rPoint.X >= 0 && rPoint.Y >= 0 && rPoint.X < aSz.Width() && rPoint.Y < aSz.Height();
    }

    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleAtPoint(const css::awt::Point& rPoint) override
    {
        SolarMutexGuard aGuard;
        if (!m_xTextHelper)
            throw css::uno::RuntimeException();

        return m_xTextHelper->GetAt(rPoint);
    }

    virtual css::awt::Rectangle SAL_CALL getBounds() override
    {
        SolarMutexGuard aGuard;
        if (!m_pController)
            throw css::uno::RuntimeException();

        const Point aOutPos;
        const Size aOutSize(m_pController->GetOutputSizePixel());
        css::awt::Rectangle aRet;

        aRet.X = aOutPos.X();
        aRet.Y = aOutPos.Y();
        aRet.Width = aOutSize.Width();
        aRet.Height = aOutSize.Height();

        return aRet;
    }

    virtual css::awt::Point SAL_CALL getLocation() override
    {
        SolarMutexGuard aGuard;
        if (!m_pController)
            throw css::uno::RuntimeException();

        const css::awt::Rectangle aRect(getBounds());
        css::awt::Point aRet;

        aRet.X = aRect.X;
        aRet.Y = aRect.Y;

        return aRet;
    }

    virtual css::awt::Point SAL_CALL getLocationOnScreen() override
    {
        SolarMutexGuard aGuard;
        if (!m_pController)
            throw css::uno::RuntimeException();

        css::awt::Point aScreenLoc(0, 0);

        css::uno::Reference<css::accessibility::XAccessible> xParent(getAccessibleParent());
        if (xParent)
        {
            css::uno::Reference<css::accessibility::XAccessibleContext> xParentContext(
                xParent->getAccessibleContext());
            css::uno::Reference<css::accessibility::XAccessibleComponent> xParentComponent(
                xParentContext, css::uno::UNO_QUERY);
            OSL_ENSURE(xParentComponent.is(),
                       "WeldEditAccessible::getLocationOnScreen: no parent component!");
            if (xParentComponent.is())
            {
                css::awt::Point aParentScreenLoc(xParentComponent->getLocationOnScreen());
                css::awt::Point aOwnRelativeLoc(getLocation());
                aScreenLoc.X = aParentScreenLoc.X + aOwnRelativeLoc.X;
                aScreenLoc.Y = aParentScreenLoc.Y + aOwnRelativeLoc.Y;
            }
        }

        return aScreenLoc;
    }

    virtual css::awt::Size SAL_CALL getSize() override
    {
        SolarMutexGuard aGuard;
        if (!m_pController)
            throw css::uno::RuntimeException();

        Size aSz(m_pController->GetOutputSizePixel());
        return css::awt::Size(aSz.Width(), aSz.Height());
    }

    virtual void SAL_CALL grabFocus() override { m_pController->GrabFocus(); }

    virtual sal_Int32 SAL_CALL getForeground() override
    {
        SolarMutexGuard aGuard;
        if (!m_pController)
            throw css::uno::RuntimeException();

        Color nCol = m_pEditEngine->GetAutoColor();
        return static_cast<sal_Int32>(nCol);
    }

    virtual sal_Int32 SAL_CALL getBackground() override
    {
        SolarMutexGuard aGuard;
        if (!m_pController)
            throw css::uno::RuntimeException();

        Color nCol = m_pEditEngine->GetBackgroundColor();
        return static_cast<sal_Int32>(nCol);
    }

    // XAccessibleContext
    virtual sal_Int32 SAL_CALL getAccessibleChildCount() override
    {
        if (m_xTextHelper)
            return m_xTextHelper->GetChildCount();
        return 0;
    }

    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleChild(sal_Int32 i) override
    {
        if (m_xTextHelper)
            return m_xTextHelper->GetChild(i);
        throw css::lang::IndexOutOfBoundsException(); // there is no child...
    }

    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleParent() override
    {
        SolarMutexGuard aGuard;
        if (!m_pController)
            throw css::uno::RuntimeException();

        return m_pController->GetDrawingArea()->get_accessible_parent();
    }

    virtual sal_Int32 SAL_CALL getAccessibleIndexInParent() override
    {
        SolarMutexGuard aGuard;
        if (!m_pController)
            throw css::uno::RuntimeException();

        // -1 for child not found/no parent (according to specification)
        sal_Int32 nRet = -1;

        css::uno::Reference<css::accessibility::XAccessible> xParent(getAccessibleParent());
        if (!xParent)
            return nRet;

        try
        {
            css::uno::Reference<css::accessibility::XAccessibleContext> xParentContext(
                xParent->getAccessibleContext());

            //  iterate over parent's children and search for this object
            if (xParentContext.is())
            {
                sal_Int32 nChildCount = xParentContext->getAccessibleChildCount();
                for (sal_Int32 nChild = 0; (nChild < nChildCount) && (-1 == nRet); ++nChild)
                {
                    css::uno::Reference<css::accessibility::XAccessible> xChild(
                        xParentContext->getAccessibleChild(nChild));
                    if (xChild.get() == this)
                        nRet = nChild;
                }
            }
        }
        catch (const css::uno::Exception&)
        {
            TOOLS_WARN_EXCEPTION("svx", "WeldEditAccessible::getAccessibleIndexInParent");
        }

        return nRet;
    }

    virtual sal_Int16 SAL_CALL getAccessibleRole() override
    {
        return css::accessibility::AccessibleRole::TEXT_FRAME;
    }

    virtual OUString SAL_CALL getAccessibleDescription() override
    {
        SolarMutexGuard aGuard;

        OUString aRet;

        if (m_pController)
        {
            aRet = m_pController->GetAccessibleDescription();
        }

        return aRet;
    }

    virtual OUString SAL_CALL getAccessibleName() override
    {
        SolarMutexGuard aGuard;

        OUString aRet;

        if (m_pController)
        {
            aRet = m_pController->GetAccessibleName();
        }

        return aRet;
    }

    virtual css::uno::Reference<css::accessibility::XAccessibleRelationSet>
        SAL_CALL getAccessibleRelationSet() override
    {
        SolarMutexGuard aGuard;
        if (!m_pController)
            throw css::uno::RuntimeException();

        return m_pController->GetDrawingArea()->get_accessible_relation_set();
    }

    virtual css::uno::Reference<css::accessibility::XAccessibleStateSet>
        SAL_CALL getAccessibleStateSet() override
    {
        SolarMutexGuard aGuard;
        ::utl::AccessibleStateSetHelper* pStateSet = new ::utl::AccessibleStateSetHelper;

        css::uno::Reference<css::accessibility::XAccessibleStateSet> xStateSet(pStateSet);

        if (!m_pController || !m_xTextHelper)
            pStateSet->AddState(css::accessibility::AccessibleStateType::DEFUNC);
        else
        {
            pStateSet->AddState(css::accessibility::AccessibleStateType::MULTI_LINE);
            pStateSet->AddState(css::accessibility::AccessibleStateType::ENABLED);
            pStateSet->AddState(css::accessibility::AccessibleStateType::EDITABLE);
            pStateSet->AddState(css::accessibility::AccessibleStateType::FOCUSABLE);
            pStateSet->AddState(css::accessibility::AccessibleStateType::SELECTABLE);
            if (m_pController->HasFocus())
                pStateSet->AddState(css::accessibility::AccessibleStateType::FOCUSED);
            if (m_pController->IsActive())
                pStateSet->AddState(css::accessibility::AccessibleStateType::ACTIVE);
            if (m_pController->IsVisible())
                pStateSet->AddState(css::accessibility::AccessibleStateType::SHOWING);
            if (m_pController->IsReallyVisible())
                pStateSet->AddState(css::accessibility::AccessibleStateType::VISIBLE);
            if (COL_TRANSPARENT != m_pEditEngine->GetBackgroundColor())
                pStateSet->AddState(css::accessibility::AccessibleStateType::OPAQUE);
        }

        return xStateSet;
    }

    virtual css::lang::Locale SAL_CALL getLocale() override
    {
        SolarMutexGuard aGuard;
        return LanguageTag(m_pEditEngine->GetDefaultLanguage()).getLocale();
    }

    // XAccessibleEventBroadcaster
    virtual void SAL_CALL addAccessibleEventListener(
        const css::uno::Reference<css::accessibility::XAccessibleEventListener>& rListener) override
    {
        if (!m_xTextHelper) // not disposing (about to destroy view shell)
            return;
        m_xTextHelper->AddEventListener(rListener);
    }

    virtual void SAL_CALL removeAccessibleEventListener(
        const css::uno::Reference<css::accessibility::XAccessibleEventListener>& rListener) override
    {
        if (!m_xTextHelper) // not disposing (about to destroy view shell)
            return;
        m_xTextHelper->RemoveEventListener(rListener);
    }
};

css::uno::Reference<css::accessibility::XAccessible> WeldEditView::CreateAccessible()
{
    if (!m_xAccessible.is())
        m_xAccessible.set(new WeldEditAccessible(this));
    return css::uno::Reference<css::accessibility::XAccessible>(m_xAccessible.get());
}

WeldEditView::~WeldEditView()
{
    if (m_xAccessible.is())
    {
        m_xAccessible->ClearWin(); // make Accessible nonfunctional
        m_xAccessible.clear();
    }
}

bool WeldViewForwarder::IsValid() const { return m_rEditAcc.GetEditView() != nullptr; }

Point WeldViewForwarder::LogicToPixel(const Point& rPoint, const MapMode& rMapMode) const
{
    EditView* pEditView = m_rEditAcc.GetEditView();
    OutputDevice* pOutDev = pEditView ? pEditView->GetWindow() : nullptr;

    if (pOutDev)
    {
        MapMode aMapMode(pOutDev->GetMapMode());
        Point aPoint(OutputDevice::LogicToLogic(rPoint, rMapMode, MapMode(aMapMode.GetMapUnit())));
        aMapMode.SetOrigin(Point());
        return pOutDev->LogicToPixel(aPoint, aMapMode);
    }

    return Point();
}

Point WeldViewForwarder::PixelToLogic(const Point& rPoint, const MapMode& rMapMode) const
{
    EditView* pEditView = m_rEditAcc.GetEditView();
    OutputDevice* pOutDev = pEditView ? pEditView->GetWindow() : nullptr;

    if (pOutDev)
    {
        MapMode aMapMode(pOutDev->GetMapMode());
        aMapMode.SetOrigin(Point());
        Point aPoint(pOutDev->PixelToLogic(rPoint, aMapMode));
        return OutputDevice::LogicToLogic(aPoint, MapMode(aMapMode.GetMapUnit()), rMapMode);
    }

    return Point();
}

WeldTextForwarder::WeldTextForwarder(WeldEditAccessible& rAcc, WeldEditSource& rSource)
    : m_rEditAcc(rAcc)
    , m_rEditSource(rSource)
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        pEditEngine->SetNotifyHdl(LINK(this, WeldTextForwarder, NotifyHdl));
}

WeldTextForwarder::~WeldTextForwarder()
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        pEditEngine->SetNotifyHdl(Link<EENotify&, void>());
}

IMPL_LINK(WeldTextForwarder, NotifyHdl, EENotify&, rNotify, void)
{
    ::std::unique_ptr<SfxHint> aHint = SvxEditSourceHelper::EENotification2Hint(&rNotify);
    if (aHint)
        m_rEditSource.GetBroadcaster().Broadcast(*aHint);
}

sal_Int32 WeldTextForwarder::GetParagraphCount() const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetParagraphCount() : 0;
}

sal_Int32 WeldTextForwarder::GetTextLen(sal_Int32 nParagraph) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetTextLen(nParagraph) : 0;
}

OUString WeldTextForwarder::GetText(const ESelection& rSel) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    OUString aRet;
    if (pEditEngine)
        aRet = pEditEngine->GetText(rSel);
    return convertLineEnd(aRet, GetSystemLineEnd());
}

SfxItemSet WeldTextForwarder::GetAttribs(const ESelection& rSel,
                                         EditEngineAttribs nOnlyHardAttrib) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    assert(pEditEngine && "EditEngine missing");
    if (rSel.nStartPara == rSel.nEndPara)
    {
        GetAttribsFlags nFlags = GetAttribsFlags::NONE;
        switch (nOnlyHardAttrib)
        {
            case EditEngineAttribs::All:
                nFlags = GetAttribsFlags::ALL;
                break;
            case EditEngineAttribs::OnlyHard:
                nFlags = GetAttribsFlags::CHARATTRIBS;
                break;
            default:
                SAL_WARN("svx", "unknown flags for WeldTextForwarder::GetAttribs");
        }

        return pEditEngine->GetAttribs(rSel.nStartPara, rSel.nStartPos, rSel.nEndPos, nFlags);
    }
    else
    {
        return pEditEngine->GetAttribs(rSel, nOnlyHardAttrib);
    }
}

SfxItemSet WeldTextForwarder::GetParaAttribs(sal_Int32 nPara) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    assert(pEditEngine && "EditEngine missing");

    SfxItemSet aSet(pEditEngine->GetParaAttribs(nPara));

    sal_uInt16 nWhich = EE_PARA_START;
    while (nWhich <= EE_PARA_END)
    {
        if (aSet.GetItemState(nWhich) != SfxItemState::SET)
        {
            if (pEditEngine->HasParaAttrib(nPara, nWhich))
                aSet.Put(pEditEngine->GetParaAttrib(nPara, nWhich));
        }
        nWhich++;
    }

    return aSet;
}

void WeldTextForwarder::SetParaAttribs(sal_Int32 nPara, const SfxItemSet& rSet)
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        pEditEngine->SetParaAttribs(nPara, rSet);
}

SfxItemPool* WeldTextForwarder::GetPool() const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetEmptyItemSet().GetPool() : nullptr;
}

void WeldTextForwarder::RemoveAttribs(const ESelection& rSelection)
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        pEditEngine->RemoveAttribs(rSelection, false /*bRemoveParaAttribs*/, 0);
}

void WeldTextForwarder::GetPortions(sal_Int32 nPara, std::vector<sal_Int32>& rList) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        pEditEngine->GetPortions(nPara, rList);
}

void WeldTextForwarder::QuickInsertText(const OUString& rText, const ESelection& rSel)
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        pEditEngine->QuickInsertText(rText, rSel);
}

void WeldTextForwarder::QuickInsertLineBreak(const ESelection& rSel)
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        pEditEngine->QuickInsertLineBreak(rSel);
}

void WeldTextForwarder::QuickInsertField(const SvxFieldItem& rFld, const ESelection& rSel)
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        pEditEngine->QuickInsertField(rFld, rSel);
}

void WeldTextForwarder::QuickSetAttribs(const SfxItemSet& rSet, const ESelection& rSel)
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        pEditEngine->QuickSetAttribs(rSet, rSel);
}

bool WeldTextForwarder::IsValid() const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    // cannot reliably query EditEngine state
    // while in the middle of an update
    return pEditEngine && pEditEngine->GetUpdateMode();
}

OUString WeldTextForwarder::CalcFieldValue(const SvxFieldItem& rField, sal_Int32 nPara,
                                           sal_Int32 nPos, std::optional<Color>& rpTxtColor,
                                           std::optional<Color>& rpFldColor)
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->CalcFieldValue(rField, nPara, nPos, rpTxtColor, rpFldColor)
                       : OUString();
}

void WeldTextForwarder::FieldClicked(const SvxFieldItem&) {}

static SfxItemState GetSvxEditEngineItemState(EditEngine const& rEditEngine, const ESelection& rSel,
                                              sal_uInt16 nWhich)
{
    std::vector<EECharAttrib> aAttribs;

    const SfxPoolItem* pLastItem = nullptr;

    SfxItemState eState = SfxItemState::DEFAULT;

    // check all paragraphs inside the selection
    for (sal_Int32 nPara = rSel.nStartPara; nPara <= rSel.nEndPara; nPara++)
    {
        SfxItemState eParaState = SfxItemState::DEFAULT;

        // calculate start and endpos for this paragraph
        sal_Int32 nPos = 0;
        if (rSel.nStartPara == nPara)
            nPos = rSel.nStartPos;

        sal_Int32 nEndPos = rSel.nEndPos;
        if (rSel.nEndPara != nPara)
            nEndPos = rEditEngine.GetTextLen(nPara);

        // get list of char attribs
        rEditEngine.GetCharAttribs(nPara, aAttribs);

        bool bEmpty = true; // we found no item inside the selection of this paragraph
        bool bGaps = false; // we found items but there are gaps between them
        sal_Int32 nLastEnd = nPos;

        const SfxPoolItem* pParaItem = nullptr;

        for (const auto& rAttrib : aAttribs)
        {
            OSL_ENSURE(rAttrib.pAttr, "GetCharAttribs gives corrupt data");

            const bool bEmptyPortion = (rAttrib.nStart == rAttrib.nEnd);
            if ((!bEmptyPortion && (rAttrib.nStart >= nEndPos))
                || (bEmptyPortion && (rAttrib.nStart > nEndPos)))
                break; // break if we are already behind our selection

            if ((!bEmptyPortion && (rAttrib.nEnd <= nPos))
                || (bEmptyPortion && (rAttrib.nEnd < nPos)))
                continue; // or if the attribute ends before our selection

            if (rAttrib.pAttr->Which() != nWhich)
                continue; // skip if is not the searched item

            // if we already found an item
            if (pParaItem)
            {
                // ... and its different to this one than the state is don't care
                if (*pParaItem != *(rAttrib.pAttr))
                    return SfxItemState::DONTCARE;
            }
            else
            {
                pParaItem = rAttrib.pAttr;
            }

            if (bEmpty)
                bEmpty = false;

            if (!bGaps && rAttrib.nStart > nLastEnd)
                bGaps = true;

            nLastEnd = rAttrib.nEnd;
        }

        if (!bEmpty && !bGaps && nLastEnd < (nEndPos - 1))
            bGaps = true;
        if (bEmpty)
            eParaState = SfxItemState::DEFAULT;
        else if (bGaps)
            eParaState = SfxItemState::DONTCARE;
        else
            eParaState = SfxItemState::SET;

        // if we already found an item check if we found the same
        if (pLastItem)
        {
            if ((pParaItem == nullptr) || (*pLastItem != *pParaItem))
                return SfxItemState::DONTCARE;
        }
        else
        {
            pLastItem = pParaItem;
            eState = eParaState;
        }
    }

    return eState;
}

SfxItemState WeldTextForwarder::GetItemState(const ESelection& rSel, sal_uInt16 nWhich) const
{
    SfxItemState nState = SfxItemState::DISABLED;
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        nState = GetSvxEditEngineItemState(*pEditEngine, rSel, nWhich);
    return nState;
}

SfxItemState WeldTextForwarder::GetItemState(sal_Int32 nPara, sal_uInt16 nWhich) const
{
    SfxItemState nState = SfxItemState::DISABLED;
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
    {
        const SfxItemSet& rSet = pEditEngine->GetParaAttribs(nPara);
        nState = rSet.GetItemState(nWhich);
    }
    return nState;
}

LanguageType WeldTextForwarder::GetLanguage(sal_Int32 nPara, sal_Int32 nIndex) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetLanguage(nPara, nIndex) : LANGUAGE_NONE;
}

sal_Int32 WeldTextForwarder::GetFieldCount(sal_Int32 nPara) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetFieldCount(nPara) : 0;
}

EFieldInfo WeldTextForwarder::GetFieldInfo(sal_Int32 nPara, sal_uInt16 nField) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetFieldInfo(nPara, nField) : EFieldInfo();
}

EBulletInfo WeldTextForwarder::GetBulletInfo(sal_Int32 /*nPara*/) const { return EBulletInfo(); }

tools::Rectangle WeldTextForwarder::GetCharBounds(sal_Int32 nPara, sal_Int32 nIndex) const
{
    tools::Rectangle aRect(0, 0, 0, 0);
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();

    if (pEditEngine)
    {
        // Handle virtual position one-past-the end of the string
        if (nIndex >= pEditEngine->GetTextLen(nPara))
        {
            if (nIndex)
                aRect = pEditEngine->GetCharacterBounds(EPosition(nPara, nIndex - 1));

            aRect.Move(aRect.Right() - aRect.Left(), 0);
            aRect.SetSize(Size(1, pEditEngine->GetTextHeight()));
        }
        else
        {
            aRect = pEditEngine->GetCharacterBounds(EPosition(nPara, nIndex));
        }
    }
    return aRect;
}

tools::Rectangle WeldTextForwarder::GetParaBounds(sal_Int32 nPara) const
{
    tools::Rectangle aRect(0, 0, 0, 0);
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();

    if (pEditEngine)
    {
        const Point aPnt = pEditEngine->GetDocPosTopLeft(nPara);
        const sal_Int32 nWidth = pEditEngine->CalcTextWidth();
        const sal_Int32 nHeight = pEditEngine->GetTextHeight(nPara);
        aRect = tools::Rectangle(aPnt.X(), aPnt.Y(), aPnt.X() + nWidth, aPnt.Y() + nHeight);
    }

    return aRect;
}

MapMode WeldTextForwarder::GetMapMode() const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetRefMapMode() : MapMode(MapUnit::Map100thMM);
}

OutputDevice* WeldTextForwarder::GetRefDevice() const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetRefDevice() : nullptr;
}

bool WeldTextForwarder::GetIndexAtPoint(const Point& rPos, sal_Int32& nPara,
                                        sal_Int32& nIndex) const
{
    bool bRes = false;
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
    {
        EPosition aDocPos = pEditEngine->FindDocPosition(rPos);
        nPara = aDocPos.nPara;
        nIndex = aDocPos.nIndex;
        bRes = true;
    }
    return bRes;
}

bool WeldTextForwarder::GetWordIndices(sal_Int32 nPara, sal_Int32 nIndex, sal_Int32& nStart,
                                       sal_Int32& nEnd) const
{
    bool bRes = false;
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
    {
        ESelection aRes = pEditEngine->GetWord(ESelection(nPara, nIndex, nPara, nIndex),
                                               css::i18n::WordType::DICTIONARY_WORD);

        if (aRes.nStartPara == nPara && aRes.nStartPara == aRes.nEndPara)
        {
            nStart = aRes.nStartPos;
            nEnd = aRes.nEndPos;

            bRes = true;
        }
    }

    return bRes;
}

bool WeldTextForwarder::GetAttributeRun(sal_Int32& nStartIndex, sal_Int32& nEndIndex,
                                        sal_Int32 nPara, sal_Int32 nIndex, bool bInCell) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (!pEditEngine)
        return false;
    SvxEditSourceHelper::GetAttributeRun(nStartIndex, nEndIndex, *pEditEngine, nPara, nIndex,
                                         bInCell);
    return true;
}

sal_Int32 WeldTextForwarder::GetLineCount(sal_Int32 nPara) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetLineCount(nPara) : 0;
}

sal_Int32 WeldTextForwarder::GetLineLen(sal_Int32 nPara, sal_Int32 nLine) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetLineLen(nPara, nLine) : 0;
}

void WeldTextForwarder::GetLineBoundaries(/*out*/ sal_Int32& rStart, /*out*/ sal_Int32& rEnd,
                                          sal_Int32 nPara, sal_Int32 nLine) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
        pEditEngine->GetLineBoundaries(rStart, rEnd, nPara, nLine);
    else
        rStart = rEnd = 0;
}

sal_Int32 WeldTextForwarder::GetLineNumberAtIndex(sal_Int32 nPara, sal_Int32 nIndex) const
{
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    return pEditEngine ? pEditEngine->GetLineNumberAtIndex(nPara, nIndex) : 0;
}

bool WeldTextForwarder::QuickFormatDoc(bool /*bFull*/)
{
    bool bRes = false;
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
    {
        pEditEngine->QuickFormatDoc();
        bRes = true;
    }
    return bRes;
}

sal_Int16 WeldTextForwarder::GetDepth(sal_Int32 /*nPara*/) const
{
    // math has no outliner...
    return -1;
}

bool WeldTextForwarder::SetDepth(sal_Int32 /*nPara*/, sal_Int16 nNewDepth)
{
    // math has no outliner...
    return -1 == nNewDepth; // is it the value from 'GetDepth' ?
}

bool WeldTextForwarder::Delete(const ESelection& rSelection)
{
    bool bRes = false;
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
    {
        pEditEngine->QuickDelete(rSelection);
        pEditEngine->QuickFormatDoc();
        bRes = true;
    }
    return bRes;
}

bool WeldTextForwarder::InsertText(const OUString& rStr, const ESelection& rSelection)
{
    bool bRes = false;
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
    {
        pEditEngine->QuickInsertText(rStr, rSelection);
        pEditEngine->QuickFormatDoc();
        bRes = true;
    }
    return bRes;
}

const SfxItemSet* WeldTextForwarder::GetEmptyItemSetPtr()
{
    const SfxItemSet* pItemSet = nullptr;
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
    {
        pItemSet = &pEditEngine->GetEmptyItemSet();
    }
    return pItemSet;
}

void WeldTextForwarder::AppendParagraph()
{
    // append an empty paragraph
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine)
    {
        sal_Int32 nParaCount = pEditEngine->GetParagraphCount();
        pEditEngine->InsertParagraph(nParaCount, OUString());
    }
}

sal_Int32 WeldTextForwarder::AppendTextPortion(sal_Int32 nPara, const OUString& rText,
                                               const SfxItemSet& rSet)
{
    sal_uInt16 nRes = 0;
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine && nPara < pEditEngine->GetParagraphCount())
    {
        // append text
        ESelection aSel(nPara, pEditEngine->GetTextLen(nPara));
        pEditEngine->QuickInsertText(rText, aSel);

        // set attributes for new appended text
        nRes = aSel.nEndPos = pEditEngine->GetTextLen(nPara);
        pEditEngine->QuickSetAttribs(rSet, aSel);
    }
    return nRes;
}

void WeldTextForwarder::CopyText(const SvxTextForwarder& rSource)
{
    const WeldTextForwarder* pSourceForwarder = dynamic_cast<const WeldTextForwarder*>(&rSource);
    if (!pSourceForwarder)
        return;
    EditEngine* pSourceEditEngine = pSourceForwarder->m_rEditAcc.GetEditEngine();
    EditEngine* pEditEngine = m_rEditAcc.GetEditEngine();
    if (pEditEngine && pSourceEditEngine)
    {
        std::unique_ptr<EditTextObject> pNewTextObject = pSourceEditEngine->CreateTextObject();
        pEditEngine->SetText(*pNewTextObject);
    }
}

WeldEditViewForwarder::WeldEditViewForwarder(WeldEditAccessible& rAcc)
    : m_rEditAcc(rAcc)
{
}

bool WeldEditViewForwarder::IsValid() const { return m_rEditAcc.GetEditView() != nullptr; }

Point WeldEditViewForwarder::LogicToPixel(const Point& rPoint, const MapMode& rMapMode) const
{
    EditView* pEditView = m_rEditAcc.GetEditView();
    OutputDevice* pOutDev = pEditView ? pEditView->GetWindow() : nullptr;

    if (pOutDev)
    {
        MapMode aMapMode(pOutDev->GetMapMode());
        Point aPoint(OutputDevice::LogicToLogic(rPoint, rMapMode, MapMode(aMapMode.GetMapUnit())));
        aMapMode.SetOrigin(Point());
        return pOutDev->LogicToPixel(aPoint, aMapMode);
    }

    return Point();
}

Point WeldEditViewForwarder::PixelToLogic(const Point& rPoint, const MapMode& rMapMode) const
{
    EditView* pEditView = m_rEditAcc.GetEditView();
    OutputDevice* pOutDev = pEditView ? pEditView->GetWindow() : nullptr;

    if (pOutDev)
    {
        MapMode aMapMode(pOutDev->GetMapMode());
        aMapMode.SetOrigin(Point());
        Point aPoint(pOutDev->PixelToLogic(rPoint, aMapMode));
        return OutputDevice::LogicToLogic(aPoint, MapMode(aMapMode.GetMapUnit()), rMapMode);
    }

    return Point();
}

bool WeldEditViewForwarder::GetSelection(ESelection& rSelection) const
{
    bool bRes = false;
    EditView* pEditView = m_rEditAcc.GetEditView();
    if (pEditView)
    {
        rSelection = pEditView->GetSelection();
        bRes = true;
    }
    return bRes;
}

bool WeldEditViewForwarder::SetSelection(const ESelection& rSelection)
{
    bool bRes = false;
    EditView* pEditView = m_rEditAcc.GetEditView();
    if (pEditView)
    {
        pEditView->SetSelection(rSelection);
        bRes = true;
    }
    return bRes;
}

bool WeldEditViewForwarder::Copy()
{
    bool bRes = false;
    EditView* pEditView = m_rEditAcc.GetEditView();
    if (pEditView)
    {
        pEditView->Copy();
        bRes = true;
    }
    return bRes;
}

bool WeldEditViewForwarder::Cut()
{
    bool bRes = false;
    EditView* pEditView = m_rEditAcc.GetEditView();
    if (pEditView)
    {
        pEditView->Cut();
        bRes = true;
    }
    return bRes;
}

bool WeldEditViewForwarder::Paste()
{
    bool bRes = false;
    EditView* pEditView = m_rEditAcc.GetEditView();
    if (pEditView)
    {
        pEditView->Paste();
        bRes = true;
    }
    return bRes;
}

void WeldEditView::SetDrawingArea(weld::DrawingArea* pDrawingArea)
{
    Size aSize(pDrawingArea->get_size_request());
    if (aSize.Width() == -1)
        aSize.setWidth(500);
    if (aSize.Height() == -1)
        aSize.setHeight(100);
    pDrawingArea->set_size_request(aSize.Width(), aSize.Height());

    SetOutputSizePixel(aSize);

    weld::CustomWidgetController::SetDrawingArea(pDrawingArea);

    EnableRTL(false);

    const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
    Color aBgColor = rStyleSettings.GetWindowColor();

    OutputDevice& rDevice = pDrawingArea->get_ref_device();

    rDevice.SetMapMode(MapMode(MapUnit::MapTwip));
    rDevice.SetBackground(aBgColor);

    Size aOutputSize(rDevice.PixelToLogic(aSize));
    aSize = aOutputSize;
    aSize.setHeight(aSize.Height());

    makeEditEngine();
    m_xEditEngine->SetPaperSize(aSize);
    m_xEditEngine->SetRefDevice(&rDevice);

    m_xEditEngine->SetControlWord(m_xEditEngine->GetControlWord() | EEControlBits::MARKFIELDS);

    m_xEditView.reset(new EditView(m_xEditEngine.get(), nullptr));
    m_xEditView->setEditViewCallbacks(this);
    m_xEditView->SetOutputArea(tools::Rectangle(Point(0, 0), aOutputSize));

    m_xEditView->SetBackgroundColor(aBgColor);
    m_xEditEngine->InsertView(m_xEditView.get());

    pDrawingArea->set_cursor(PointerStyle::Text);

    if (m_xAccessible.is())
        m_xAccessible->Init(m_xEditEngine.get(), m_xEditView.get());
}

void WeldEditView::GetFocus()
{
    m_xEditView->ShowCursor();

    weld::CustomWidgetController::GetFocus();

    if (m_xAccessible.is())
    {
        // Note: will implicitly send the AccessibleStateType::FOCUSED event
        ::accessibility::AccessibleTextHelper* pHelper = m_xAccessible->GetTextHelper();
        if (pHelper)
            pHelper->SetFocus();
    }
}

void WeldEditView::LoseFocus()
{
    weld::CustomWidgetController::LoseFocus();
    Invalidate(); // redraw without cursor

    if (m_xAccessible.is())
    {
        // Note: will implicitly send the AccessibleStateType::FOCUSED event
        ::accessibility::AccessibleTextHelper* pHelper = m_xAccessible->GetTextHelper();
        if (pHelper)
            pHelper->SetFocus(false);
    }
}

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