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, 250 insertions, 0 deletions

diff --git a/editeng/source/uno/unoedhlp.cxx b/editeng/source/uno/unoedhlp.cxx
new file mode 100644
index 000000000..2a1b1e2bd
--- /dev/null
+++ b/editeng/source/uno/unoedhlp.cxx
@@ -0,0 +1,250 @@
+/* -*- 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 <editeng/unoedhlp.hxx>
+#include <editeng/editdata.hxx>
+#include <editeng/editeng.hxx>
+#include <svl/itemset.hxx>
+
+#include <osl/diagnose.h>
+
+
+SvxEditSourceHint::SvxEditSourceHint( SfxHintId _nId ) :
+    TextHint( _nId ),
+    mnStart( 0 ),
+    mnEnd( 0 )
+{
+}
+
+SvxEditSourceHint::SvxEditSourceHint( SfxHintId _nId, sal_Int32 nValue, sal_Int32 nStart, sal_Int32 nEnd ) :
+    TextHint( _nId, nValue ),
+    mnStart( nStart),
+    mnEnd( nEnd )
+{
+}
+
+
+std::unique_ptr<SfxHint> SvxEditSourceHelper::EENotification2Hint( EENotify const * aNotify )
+{
+    if( aNotify )
+    {
+        switch( aNotify->eNotificationType )
+        {
+            case EE_NOTIFY_TEXTMODIFIED:
+                return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextModified, aNotify->nParagraph ) );
+
+            case EE_NOTIFY_PARAGRAPHINSERTED:
+                return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextParaInserted, aNotify->nParagraph ) );
+
+            case EE_NOTIFY_PARAGRAPHREMOVED:
+                return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextParaRemoved, aNotify->nParagraph ) );
+
+            case EE_NOTIFY_PARAGRAPHSMOVED:
+                return std::unique_ptr<SfxHint>( new SvxEditSourceHint( SfxHintId::EditSourceParasMoved, aNotify->nParagraph, aNotify->nParam1, aNotify->nParam2 ) );
+
+            case EE_NOTIFY_TextHeightChanged:
+                return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextHeightChanged, aNotify->nParagraph ) );
+
+            case EE_NOTIFY_TEXTVIEWSCROLLED:
+                return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextViewScrolled ) );
+
+            case EE_NOTIFY_TEXTVIEWSELECTIONCHANGED:
+                return std::unique_ptr<SfxHint>( new SvxEditSourceHint( SfxHintId::EditSourceSelectionChanged ) );
+
+            case EE_NOTIFY_PROCESSNOTIFICATIONS:
+                return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextProcessNotifications ));
+
+            case EE_NOTIFY_TEXTVIEWSELECTIONCHANGED_ENDD_PARA:
+                return std::unique_ptr<SfxHint>( new SvxEditSourceHintEndPara );
+            default:
+                OSL_FAIL( "SvxEditSourceHelper::EENotification2Hint unknown notification" );
+                break;
+        }
+    }
+
+    return std::make_unique<SfxHint>( );
+}
+
+void SvxEditSourceHelper::GetAttributeRun( sal_Int32& nStartIndex, sal_Int32& nEndIndex, const EditEngine& rEE, sal_Int32 nPara, sal_Int32 nIndex, bool bInCell )
+{
+    // IA2 CWS introduced bInCell, but also did many other changes here.
+    // Need to verify implementation with AT (IA2 and ATK)
+    // Old implementation at the end of the method for reference...
+
+    //added dummy attributes for the default text
+    std::vector<EECharAttrib> aCharAttribs, aTempCharAttribs;
+    rEE.GetCharAttribs( nPara, aTempCharAttribs );
+
+    if (!aTempCharAttribs.empty())
+    {
+        sal_Int32 nIndex2 = 0;
+        sal_Int32 nParaLen = rEE.GetTextLen(nPara);
+        for (size_t nAttr = 0; nAttr < aTempCharAttribs.size(); ++nAttr)
+        {
+            if (nIndex2 < aTempCharAttribs[nAttr].nStart)
+            {
+                EECharAttrib aEEAttr(nIndex2, aTempCharAttribs[nAttr].nStart);
+                aCharAttribs.insert(aCharAttribs.begin() + nAttr, aEEAttr);
+            }
+            nIndex2 = aTempCharAttribs[nAttr].nEnd;
+            aCharAttribs.push_back(aTempCharAttribs[nAttr]);
+        }
+        if ( nIndex2 != nParaLen )
+        {
+            EECharAttrib aEEAttr(nIndex2, nParaLen);
+            aCharAttribs.push_back(aEEAttr);
+        }
+    }
+    // find closest index in front of nIndex
+    sal_Int32 nCurrIndex;
+    sal_Int32 nClosestStartIndex_s = 0, nClosestStartIndex_e = 0;
+    for (auto const& charAttrib : aCharAttribs)
+    {
+        nCurrIndex = charAttrib.nStart;
+
+        if( nCurrIndex > nClosestStartIndex_s &&
+            nCurrIndex <= nIndex)
+        {
+            nClosestStartIndex_s = nCurrIndex;
+        }
+        nCurrIndex = charAttrib.nEnd;
+        if ( nCurrIndex > nClosestStartIndex_e &&
+            nCurrIndex < nIndex )
+        {
+            nClosestStartIndex_e = nCurrIndex;
+        }
+    }
+    sal_Int32 nClosestStartIndex = std::max(nClosestStartIndex_s, nClosestStartIndex_e);
+
+    // find closest index behind of nIndex
+    sal_Int32 nClosestEndIndex_s, nClosestEndIndex_e;
+    nClosestEndIndex_s = nClosestEndIndex_e = rEE.GetTextLen(nPara);
+    for (auto const& charAttrib : aCharAttribs)
+    {
+        nCurrIndex = charAttrib.nEnd;
+
+        if( nCurrIndex > nIndex &&
+            nCurrIndex < nClosestEndIndex_e )
+        {
+            nClosestEndIndex_e = nCurrIndex;
+        }
+        nCurrIndex = charAttrib.nStart;
+        if ( nCurrIndex > nIndex &&
+            nCurrIndex < nClosestEndIndex_s)
+        {
+            nClosestEndIndex_s = nCurrIndex;
+        }
+    }
+    sal_Int32 nClosestEndIndex = std::min(nClosestEndIndex_s, nClosestEndIndex_e);
+
+    nStartIndex = nClosestStartIndex;
+    nEndIndex = nClosestEndIndex;
+
+    if ( !bInCell )
+        return;
+
+    EPosition aStartPos( nPara, nStartIndex ), aEndPos( nPara, nEndIndex );
+    sal_Int32 nParaCount = rEE.GetParagraphCount();
+    sal_Int32 nCrrntParaLen = rEE.GetTextLen(nPara);
+    //need to find closest index in front of nIndex in the previous paragraphs
+    if ( aStartPos.nIndex == 0 )
+    {
+        SfxItemSet aCrrntSet = rEE.GetAttribs( nPara, 0, 1, GetAttribsFlags::CHARATTRIBS );
+        for ( sal_Int32 nParaIdx = nPara-1; nParaIdx >= 0; nParaIdx-- )
+        {
+            sal_uInt32 nLen = rEE.GetTextLen(nParaIdx);
+            if ( nLen )
+            {
+                sal_Int32 nStartIdx, nEndIdx;
+                GetAttributeRun( nStartIdx, nEndIdx, rEE, nParaIdx, nLen );
+                SfxItemSet aSet = rEE.GetAttribs( nParaIdx, nLen-1, nLen, GetAttribsFlags::CHARATTRIBS );
+                if ( aSet == aCrrntSet )
+                {
+                    aStartPos.nPara = nParaIdx;
+                    aStartPos.nIndex = nStartIdx;
+                    if ( aStartPos.nIndex != 0 )
+                    {
+                        break;
+                    }
+                }
+            }
+        }
+    }
+    //need find closest index behind nIndex in the following paragraphs
+    if ( aEndPos.nIndex == nCrrntParaLen )
+    {
+        SfxItemSet aCrrntSet = rEE.GetAttribs( nPara, nCrrntParaLen-1, nCrrntParaLen, GetAttribsFlags::CHARATTRIBS );
+        for ( sal_Int32 nParaIdx = nPara+1; nParaIdx < nParaCount; nParaIdx++ )
+        {
+            sal_Int32 nLen = rEE.GetTextLen( nParaIdx );
+            if ( nLen )
+            {
+                sal_Int32 nStartIdx, nEndIdx;
+                GetAttributeRun( nStartIdx, nEndIdx, rEE, nParaIdx, 0 );
+                SfxItemSet aSet = rEE.GetAttribs( nParaIdx, 0, 1, GetAttribsFlags::CHARATTRIBS );
+                if ( aSet == aCrrntSet )
+                {
+                    aEndPos.nPara = nParaIdx;
+                    aEndPos.nIndex = nEndIdx;
+                    if ( aEndPos.nIndex != nLen )
+                    {
+                        break;
+                    }
+                }
+            }
+        }
+    }
+    nStartIndex = 0;
+    if ( aStartPos.nPara > 0 )
+    {
+        for ( sal_Int32 i = 0; i < aStartPos.nPara; i++ )
+        {
+            nStartIndex += rEE.GetTextLen(i)+1;
+        }
+    }
+    nStartIndex += aStartPos.nIndex;
+    nEndIndex = 0;
+    if ( aEndPos.nPara > 0 )
+    {
+       for ( sal_Int32 i = 0; i < aEndPos.nPara; i++ )
+       {
+           nEndIndex += rEE.GetTextLen(i)+1;
+       }
+    }
+    nEndIndex += aEndPos.nIndex;
+}
+
+Point SvxEditSourceHelper::EEToUserSpace( const Point& rPoint, const Size& rEESize, bool bIsVertical )
+{
+    return bIsVertical ? Point( -rPoint.Y() + rEESize.Height(), rPoint.X() ) : rPoint;
+}
+
+Point SvxEditSourceHelper::UserSpaceToEE( const Point& rPoint, const Size& rEESize, bool bIsVertical )
+{
+    return bIsVertical ? Point( rPoint.Y(), -rPoint.X() + rEESize.Height() ) : rPoint;
+}
+
+tools::Rectangle SvxEditSourceHelper::EEToUserSpace( const tools::Rectangle& rRect, const Size& rEESize, bool bIsVertical )
+{
+    return bIsVertical ? tools::Rectangle( EEToUserSpace(rRect.BottomLeft(), rEESize, bIsVertical),
+                                    EEToUserSpace(rRect.TopRight(), rEESize, bIsVertical) ) : rRect;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */