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, 344 insertions, 0 deletions

diff --git a/vcl/source/edit/textdata.cxx b/vcl/source/edit/textdata.cxx
new file mode 100644
index 000000000..3cf859704
--- /dev/null
+++ b/vcl/source/edit/textdata.cxx
@@ -0,0 +1,344 @@
+/* -*- 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 <sal/config.h>
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+
+#include <cstddef>
+
+#include <vcl/textdata.hxx>
+#include "textdat2.hxx"
+
+
+TextSelection::TextSelection()
+{
+}
+
+TextSelection::TextSelection( const TextPaM& rPaM ) :
+    maStartPaM( rPaM ), maEndPaM( rPaM )
+{
+}
+
+TextSelection::TextSelection( const TextPaM& rStart, const TextPaM& rEnd ) :
+    maStartPaM( rStart ), maEndPaM( rEnd )
+{
+}
+
+void TextSelection::Justify()
+{
+    if ( maEndPaM < maStartPaM )
+    {
+        TextPaM aTemp( maStartPaM );
+        maStartPaM = maEndPaM;
+        maEndPaM = aTemp;
+    }
+}
+
+TETextPortionList::TETextPortionList()
+{
+}
+
+TETextPortionList::~TETextPortionList()
+{
+    Reset();
+}
+
+TETextPortion& TETextPortionList::operator[]( std::size_t nPos )
+{
+    return maPortions[ nPos ];
+}
+
+std::vector<TETextPortion>::iterator TETextPortionList::begin()
+{
+    return maPortions.begin();
+}
+
+std::vector<TETextPortion>::const_iterator TETextPortionList::begin() const
+{
+    return maPortions.begin();
+}
+
+std::vector<TETextPortion>::iterator TETextPortionList::end()
+{
+    return maPortions.end();
+}
+
+std::vector<TETextPortion>::const_iterator TETextPortionList::end() const
+{
+    return maPortions.end();
+}
+
+bool TETextPortionList::empty() const
+{
+    return maPortions.empty();
+}
+
+std::size_t TETextPortionList::size() const
+{
+    return maPortions.size();
+}
+
+std::vector<TETextPortion>::iterator TETextPortionList::erase( const std::vector<TETextPortion>::iterator& aIter )
+{
+    return maPortions.erase( aIter );
+}
+
+std::vector<TETextPortion>::iterator TETextPortionList::insert( const std::vector<TETextPortion>::iterator& aIter,
+                                                                 const TETextPortion& rTP )
+{
+    return maPortions.insert( aIter, rTP );
+}
+
+void TETextPortionList::push_back( const TETextPortion& rTP )
+{
+    maPortions.push_back( rTP );
+}
+
+void TETextPortionList::Reset()
+{
+    maPortions.clear();
+}
+
+void TETextPortionList::DeleteFromPortion( std::size_t nDelFrom )
+{
+    SAL_WARN_IF( ( nDelFrom >= maPortions.size() ) && ( (nDelFrom != 0) || (!maPortions.empty()) ), "vcl", "DeleteFromPortion: Out of range" );
+    maPortions.erase( maPortions.begin() + nDelFrom, maPortions.end() );
+}
+
+std::size_t TETextPortionList::FindPortion( sal_Int32 nCharPos, sal_Int32& nPortionStart, bool bPreferStartingPortion )
+{
+    // find left portion at nCharPos at portion border
+    sal_Int32 nTmpPos = 0;
+    for ( std::size_t nPortion = 0; nPortion < maPortions.size(); nPortion++ )
+    {
+        TETextPortion& rPortion = maPortions[ nPortion ];
+        nTmpPos += rPortion.GetLen();
+        if ( nTmpPos >= nCharPos )
+        {
+            // take this one if we don't prefer the starting portion, or if it's the last one
+            if ( ( nTmpPos != nCharPos ) || !bPreferStartingPortion || ( nPortion == maPortions.size() - 1 ) )
+            {
+                nPortionStart = nTmpPos - rPortion.GetLen();
+                return nPortion;
+            }
+        }
+    }
+    OSL_FAIL( "FindPortion: Not found!" );
+    return ( maPortions.size() - 1 );
+}
+
+TEParaPortion::TEParaPortion( TextNode* pN )
+    : mpNode {pN}
+    , mnInvalidPosStart {0}
+    , mnInvalidDiff {0}
+    , mbInvalid {true}
+    , mbSimple {false}
+{
+}
+
+TEParaPortion::~TEParaPortion()
+{
+}
+
+void TEParaPortion::MarkInvalid( sal_Int32 nStart, sal_Int32 nDiff )
+{
+    if ( !mbInvalid )
+    {
+        mnInvalidPosStart = ( nDiff >= 0 ) ? nStart : ( nStart + nDiff );
+        mnInvalidDiff = nDiff;
+    }
+    else
+    {
+        // simple consecutive typing
+        if ( ( nDiff > 0 ) && ( mnInvalidDiff > 0 ) &&
+             ( ( mnInvalidPosStart+mnInvalidDiff ) == nStart ) )
+        {
+            mnInvalidDiff = mnInvalidDiff + nDiff;
+        }
+        // simple consecutive deleting
+        else if ( ( nDiff < 0 ) && ( mnInvalidDiff < 0 ) && ( mnInvalidPosStart == nStart ) )
+        {
+            mnInvalidPosStart = mnInvalidPosStart + nDiff;
+            mnInvalidDiff = mnInvalidDiff + nDiff;
+        }
+        else
+        {
+            SAL_WARN_IF( ( nDiff < 0 ) && ( (nStart+nDiff) < 0 ), "vcl", "MarkInvalid: Diff out of Range" );
+            mnInvalidPosStart = std::min( mnInvalidPosStart, nDiff < 0 ? nStart+nDiff : nDiff );
+            mnInvalidDiff = 0;
+            mbSimple = false;
+        }
+    }
+
+    maWritingDirectionInfos.clear();
+
+    mbInvalid = true;
+}
+
+void TEParaPortion::MarkSelectionInvalid( sal_Int32 nStart )
+{
+    if ( !mbInvalid )
+    {
+        mnInvalidPosStart = nStart;
+    }
+    else
+    {
+        mnInvalidPosStart = std::min( mnInvalidPosStart, nStart );
+    }
+
+    maWritingDirectionInfos.clear();
+
+    mnInvalidDiff = 0;
+    mbInvalid = true;
+    mbSimple = false;
+}
+
+std::vector<TextLine>::size_type TEParaPortion::GetLineNumber( sal_Int32 nChar, bool bInclEnd )
+{
+    for ( std::vector<TextLine>::size_type nLine = 0; nLine < maLines.size(); nLine++ )
+    {
+        TextLine& rLine = maLines[ nLine ];
+        if ( ( bInclEnd && ( rLine.GetEnd() >= nChar ) ) ||
+             ( rLine.GetEnd() > nChar ) )
+        {
+            return nLine;
+        }
+    }
+
+    // Then it should be at the end of the last line
+    OSL_ENSURE(nChar == maLines.back().GetEnd(), "wrong Index");
+    OSL_ENSURE(!bInclEnd, "Line not found: FindLine");
+    return ( maLines.size() - 1 );
+}
+
+void TEParaPortion::CorrectValuesBehindLastFormattedLine( sal_uInt16 nLastFormattedLine )
+{
+    sal_uInt16 nLines = maLines.size();
+    SAL_WARN_IF( !nLines, "vcl", "CorrectPortionNumbersFromLine: Empty portion?" );
+    if ( nLastFormattedLine >= ( nLines - 1 ) )
+        return;
+
+    const TextLine& rLastFormatted = maLines[ nLastFormattedLine ];
+    const TextLine& rUnformatted = maLines[ nLastFormattedLine+1 ];
+    std::ptrdiff_t nPortionDiff = rUnformatted.GetStartPortion() - rLastFormatted.GetEndPortion();
+    sal_Int32 nTextDiff = rUnformatted.GetStart() - rLastFormatted.GetEnd();
+    nTextDiff++;    // LastFormatted.GetEnd() was inclusive => subtracted one too much!
+
+    // The first unformatted one has to start exactly one portion past the last
+    // formatted one.
+    // If a portion got split in the changed row, nLastEnd could be > nNextStart!
+    std::ptrdiff_t nPDiff = -( nPortionDiff-1 );
+    const sal_Int32 nTDiff = -( nTextDiff-1 );
+    if ( !(nPDiff || nTDiff) )
+        return;
+
+    for ( sal_uInt16 nL = nLastFormattedLine+1; nL < nLines; nL++ )
+    {
+        TextLine& rLine = maLines[ nL ];
+
+        rLine.SetStartPortion(rLine.GetStartPortion() + nPDiff);
+        rLine.SetEndPortion(rLine.GetEndPortion() + nPDiff);
+
+        rLine.SetStart(rLine.GetStart() + nTDiff);
+        rLine.SetEnd(rLine.GetEnd() + nTDiff);
+
+        rLine.SetValid();
+    }
+}
+
+TEParaPortions::~TEParaPortions()
+{
+}
+
+IdleFormatter::IdleFormatter()
+    : Idle("vcl::TextEngine mpIdleFormatter")
+    , mpView(nullptr)
+    , mnRestarts(0)
+{
+    SetPriority(TaskPriority::HIGH_IDLE);
+}
+
+IdleFormatter::~IdleFormatter()
+{
+    mpView = nullptr;
+}
+
+void IdleFormatter::DoIdleFormat( TextView* pV, sal_uInt16 nMaxRestarts )
+{
+    mpView = pV;
+
+    if ( IsActive() )
+        mnRestarts++;
+
+    if ( mnRestarts > nMaxRestarts )
+    {
+        mnRestarts = 0;
+        Invoke();
+    }
+    else
+    {
+        Start();
+    }
+}
+
+void IdleFormatter::ForceTimeout()
+{
+    if ( IsActive() )
+    {
+        Stop();
+        mnRestarts = 0;
+        Invoke();
+    }
+}
+
+TextHint::TextHint( SfxHintId Id ) : SfxHint( Id ), mnValue(0)
+{
+}
+
+TextHint::TextHint( SfxHintId Id, sal_Int32 nValue ) : SfxHint( Id ), mnValue(nValue)
+{
+}
+
+TEIMEInfos::TEIMEInfos( const TextPaM& rPos, const OUString& rOldTextAfterStartPos )
+    : aOldTextAfterStartPos(rOldTextAfterStartPos)
+    , aPos(rPos)
+    , nLen(0)
+    , bWasCursorOverwrite(false)
+{
+}
+
+TEIMEInfos::~TEIMEInfos()
+{
+}
+
+void TEIMEInfos::CopyAttribs(const ExtTextInputAttr* pA, sal_Int32 nL)
+{
+    nLen = nL;
+    pAttribs.reset( new ExtTextInputAttr[ nL ] );
+    memcpy( pAttribs.get(), pA, nL*sizeof(ExtTextInputAttr) );
+}
+
+void TEIMEInfos::DestroyAttribs()
+{
+    pAttribs.reset();
+    nLen = 0;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */