Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 309 insertions, 0 deletions

diff --git a/sw/source/core/doc/extinput.cxx b/sw/source/core/doc/extinput.cxx
new file mode 100644
index 000000000..6ad02a0a4
--- /dev/null
+++ b/sw/source/core/doc/extinput.cxx
@@ -0,0 +1,309 @@
+/* -*- 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 <algorithm>
+
+#include <com/sun/star/i18n/ScriptType.hpp>
+
+#include <editeng/langitem.hxx>
+#include <osl/diagnose.h>
+#include <svl/languageoptions.hxx>
+#include <vcl/commandevent.hxx>
+
+#include <hintids.hxx>
+#include <extinput.hxx>
+#include <doc.hxx>
+#include <IDocumentUndoRedo.hxx>
+#include <index.hxx>
+#include <ndtxt.hxx>
+#include <swundo.hxx>
+
+using namespace ::com::sun::star;
+
+SwExtTextInput::SwExtTextInput( const SwPaM& rPam, Ring* pRing )
+    : SwPaM( *rPam.GetPoint(), static_cast<SwPaM*>(pRing) ),
+    m_eInputLanguage(LANGUAGE_DONTKNOW)
+{
+    m_bIsOverwriteCursor = false;
+    m_bInsText = true;
+}
+
+SwExtTextInput::~SwExtTextInput()
+{
+    SwDoc& rDoc = GetDoc();
+    if (rDoc.IsInDtor()) { return; /* #i58606# */ }
+
+    SwTextNode* pTNd = GetPoint()->nNode.GetNode().GetTextNode();
+    if( !pTNd )
+        return;
+
+    SwIndex& rIdx = GetPoint()->nContent;
+    sal_Int32 nSttCnt = rIdx.GetIndex();
+    sal_Int32 nEndCnt = GetMark()->nContent.GetIndex();
+    if( nEndCnt == nSttCnt )
+        return;
+
+    // Prevent IME edited text being grouped with non-IME edited text.
+    bool bKeepGroupUndo = rDoc.GetIDocumentUndoRedo().DoesGroupUndo();
+    bool bWasIME = rDoc.GetIDocumentUndoRedo().GetUndoActionCount() == 0 || rDoc.getIDocumentContentOperations().GetIME();
+    if (!bWasIME)
+    {
+        rDoc.GetIDocumentUndoRedo().DoGroupUndo(false);
+    }
+    rDoc.getIDocumentContentOperations().SetIME(true);
+    if( nEndCnt < nSttCnt )
+    {
+        std::swap(nSttCnt, nEndCnt);
+    }
+
+    // In order to get Undo/Redlining etc. working correctly,
+    // we need to go through the Doc interface
+    rIdx = nSttCnt;
+    const OUString sText( pTNd->GetText().copy(nSttCnt, nEndCnt - nSttCnt));
+    if( m_bIsOverwriteCursor && !m_sOverwriteText.isEmpty() )
+    {
+        const sal_Int32 nLen = sText.getLength();
+        const sal_Int32 nOWLen = m_sOverwriteText.getLength();
+        if( nLen > nOWLen )
+        {
+            rIdx += nOWLen;
+            pTNd->EraseText( rIdx, nLen - nOWLen );
+            rIdx = nSttCnt;
+            pTNd->ReplaceText( rIdx, nOWLen, m_sOverwriteText );
+            if( m_bInsText )
+            {
+                rIdx = nSttCnt;
+                rDoc.GetIDocumentUndoRedo().StartUndo( SwUndoId::OVERWRITE, nullptr );
+                rDoc.getIDocumentContentOperations().Overwrite( *this, sText.copy( 0, nOWLen ) );
+                rDoc.getIDocumentContentOperations().InsertString( *this, sText.copy( nOWLen ) );
+                rDoc.GetIDocumentUndoRedo().EndUndo( SwUndoId::OVERWRITE, nullptr );
+            }
+        }
+        else
+        {
+            pTNd->ReplaceText( rIdx, nLen, m_sOverwriteText.copy( 0, nLen ));
+            if( m_bInsText )
+            {
+                rIdx = nSttCnt;
+                rDoc.getIDocumentContentOperations().Overwrite( *this, sText );
+            }
+        }
+    }
+    else
+    {
+        // 1. Insert text at start position with EMPTYEXPAND to use correct formatting
+        //    ABC<NEW><OLD>
+        // 2. Then remove old (not tracked) content
+        //    ABC<NEW>
+
+        sal_Int32 nLenghtOfOldString = nEndCnt - nSttCnt;
+
+        if( m_bInsText )
+        {
+            rIdx = nSttCnt;
+            rDoc.getIDocumentContentOperations().InsertString( *this, sText, SwInsertFlags::EMPTYEXPAND );
+        }
+
+        pTNd->EraseText( rIdx, nLenghtOfOldString );
+    }
+    if (!bWasIME)
+    {
+        rDoc.GetIDocumentUndoRedo().DoGroupUndo(bKeepGroupUndo);
+    }
+    if (m_eInputLanguage == LANGUAGE_DONTKNOW)
+        return;
+
+    sal_uInt16 nWhich = RES_CHRATR_LANGUAGE;
+    sal_Int16 nScriptType = SvtLanguageOptions::GetI18NScriptTypeOfLanguage(m_eInputLanguage);
+    switch(nScriptType)
+    {
+        case  i18n::ScriptType::ASIAN:
+            nWhich = RES_CHRATR_CJK_LANGUAGE; break;
+        case  i18n::ScriptType::COMPLEX:
+            nWhich = RES_CHRATR_CTL_LANGUAGE; break;
+    }
+    // #i41974# Only set language attribute for CJK/CTL scripts.
+    if (RES_CHRATR_LANGUAGE != nWhich && pTNd->GetLang( nSttCnt, nEndCnt-nSttCnt, nScriptType) != m_eInputLanguage)
+    {
+        SvxLanguageItem aLangItem( m_eInputLanguage, nWhich );
+        rIdx = nSttCnt;
+        GetMark()->nContent = nEndCnt;
+        rDoc.getIDocumentContentOperations().InsertPoolItem(*this, aLangItem );
+    }
+}
+
+void SwExtTextInput::SetInputData( const CommandExtTextInputData& rData )
+{
+    SwTextNode* pTNd = GetPoint()->nNode.GetNode().GetTextNode();
+    if( !pTNd )
+        return;
+
+    sal_Int32 nSttCnt = Start()->nContent.GetIndex();
+    sal_Int32 nEndCnt = End()->nContent.GetIndex();
+
+    SwIndex aIdx( pTNd, nSttCnt );
+    const OUString& rNewStr = rData.GetText();
+
+    if( m_bIsOverwriteCursor && !m_sOverwriteText.isEmpty() )
+    {
+        sal_Int32 nReplace = nEndCnt - nSttCnt;
+        const sal_Int32 nNewLen = rNewStr.getLength();
+        if( nNewLen < nReplace )
+        {
+            // We have to insert some characters from the saved original text
+            nReplace -= nNewLen;
+            aIdx += nNewLen;
+            pTNd->ReplaceText( aIdx, nReplace,
+                        m_sOverwriteText.copy( nNewLen, nReplace ));
+            aIdx = nSttCnt;
+            nReplace = nNewLen;
+        }
+        else
+        {
+            const sal_Int32 nOWLen = m_sOverwriteText.getLength();
+            if( nOWLen < nReplace )
+            {
+                aIdx += nOWLen;
+                pTNd->EraseText( aIdx, nReplace-nOWLen );
+                aIdx = nSttCnt;
+                nReplace = nOWLen;
+            }
+            else
+            {
+                nReplace = std::min(nOWLen, nNewLen);
+            }
+        }
+
+        pTNd->ReplaceText( aIdx, nReplace, rNewStr );
+        if( !HasMark() )
+            SetMark();
+        GetMark()->nContent = aIdx;
+    }
+    else
+    {
+        if( nSttCnt < nEndCnt )
+        {
+            pTNd->EraseText( aIdx, nEndCnt - nSttCnt );
+        }
+
+        // NOHINTEXPAND so we can use correct formatting in destructor when we finish composing
+        pTNd->InsertText( rNewStr, aIdx, SwInsertFlags::NOHINTEXPAND );
+        if( !HasMark() )
+            SetMark();
+    }
+
+    GetPoint()->nContent = nSttCnt;
+
+    m_aAttrs.clear();
+    if( rData.GetTextAttr() )
+    {
+        const ExtTextInputAttr *pAttrs = rData.GetTextAttr();
+        m_aAttrs.insert( m_aAttrs.begin(), pAttrs, pAttrs + rData.GetText().getLength() );
+    }
+}
+
+void SwExtTextInput::SetOverwriteCursor( bool bFlag )
+{
+    m_bIsOverwriteCursor = bFlag;
+    if (!m_bIsOverwriteCursor)
+        return;
+
+    const SwTextNode *const pTNd = GetPoint()->nNode.GetNode().GetTextNode();
+    if (!pTNd)
+        return;
+
+    const sal_Int32 nSttCnt = GetPoint()->nContent.GetIndex();
+    const sal_Int32 nEndCnt = GetMark()->nContent.GetIndex();
+    m_sOverwriteText = pTNd->GetText().copy( std::min(nSttCnt, nEndCnt) );
+    if( m_sOverwriteText.isEmpty() )
+        return;
+
+    const sal_Int32 nInPos = m_sOverwriteText.indexOf( CH_TXTATR_INWORD );
+    const sal_Int32 nBrkPos = m_sOverwriteText.indexOf( CH_TXTATR_BREAKWORD );
+
+    // Find the first attr found, if any.
+    sal_Int32 nPos = std::min(nInPos, nBrkPos);
+    if (nPos<0)
+    {
+        nPos = std::max(nInPos, nBrkPos);
+    }
+    if (nPos>=0)
+    {
+        m_sOverwriteText = m_sOverwriteText.copy( 0, nPos );
+    }
+}
+
+// The Doc interfaces
+
+SwExtTextInput* SwDoc::CreateExtTextInput( const SwPaM& rPam )
+{
+    SwExtTextInput* pNew = new SwExtTextInput( rPam, mpExtInputRing );
+    if( !mpExtInputRing )
+        mpExtInputRing = pNew;
+    pNew->SetMark();
+    return pNew;
+}
+
+void SwDoc::DeleteExtTextInput( SwExtTextInput* pDel )
+{
+    if( pDel == mpExtInputRing )
+    {
+        if( pDel->GetNext() != mpExtInputRing )
+            mpExtInputRing = pDel->GetNext();
+        else
+            mpExtInputRing = nullptr;
+    }
+    delete pDel;
+}
+
+SwExtTextInput* SwDoc::GetExtTextInput( const SwNode& rNd,
+                                        sal_Int32 nContentPos ) const
+{
+    SwExtTextInput* pRet = nullptr;
+    if( mpExtInputRing )
+    {
+        SwNodeOffset nNdIdx = rNd.GetIndex();
+        SwExtTextInput* pTmp = mpExtInputRing;
+        do {
+            SwNodeOffset nStartNode = pTmp->Start()->nNode.GetIndex(),
+                         nEndNode = pTmp->End()->nNode.GetIndex();
+            sal_Int32 nStartCnt = pTmp->Start()->nContent.GetIndex();
+            sal_Int32 nEndCnt = pTmp->End()->nContent.GetIndex();
+
+            if( nStartNode <= nNdIdx && nNdIdx <= nEndNode &&
+                ( nContentPos<0 ||
+                    ( nStartCnt <= nContentPos && nContentPos <= nEndCnt )))
+            {
+                pRet = pTmp;
+                break;
+            }
+            pTmp = pTmp->GetNext();
+        } while ( pTmp!=mpExtInputRing );
+    }
+    return pRet;
+}
+
+SwExtTextInput* SwDoc::GetExtTextInput() const
+{
+    OSL_ENSURE( !mpExtInputRing || !mpExtInputRing->IsMultiSelection(),
+            "more than one InputEngine available" );
+    return mpExtInputRing;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */