office-gobmx/sw/source/core/text/porexp.cxx
Mike Kaganski 7e9c23894b tdf#161368: use SwTwips for twip sizes, instead of sal_uInt16
Change-Id: I9179b55eb27f1bf2f28c2c86f1e67f2a4daf4819
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/168341
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Tested-by: Jenkins
2024-06-02 19:18:27 +02:00

316 lines
11 KiB
C++

/* -*- 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 <viewopt.hxx>
#include <IDocumentSettingAccess.hxx>
#include <SwPortionHandler.hxx>
#include "inftxt.hxx"
#include "porexp.hxx"
TextFrameIndex SwExpandPortion::GetModelPositionForViewPoint(const SwTwips nOfst) const
{ return SwLinePortion::GetModelPositionForViewPoint( nOfst ); }
bool SwExpandPortion::GetExpText( const SwTextSizeInfo&, OUString &rText ) const
{
rText.clear();
// Do not do: return 0 != rText.Len();
// Reason being: empty fields replace CH_TXTATR with an empty string
return true;
}
void SwExpandPortion::HandlePortion( SwPortionHandler& rPH ) const
{
rPH.Special( GetLen(), OUString(), GetWhichPor() );
}
void SwExpandPortion::dumpAsXml(xmlTextWriterPtr pWriter, const OUString& rText,
TextFrameIndex& nOffset) const
{
(void)xmlTextWriterStartElement(pWriter, BAD_CAST("SwExpandPortion"));
dumpAsXmlAttributes(pWriter, rText, nOffset);
nOffset += GetLen();
(void)xmlTextWriterEndElement(pWriter);
}
SwPosSize SwExpandPortion::GetTextSize( const SwTextSizeInfo &rInf ) const
{
SwTextSlot aDiffText( &rInf, this, false, false );
return rInf.GetTextSize();
}
bool SwExpandPortion::Format( SwTextFormatInfo &rInf )
{
SwTextSlot aDiffText( &rInf, this, true, false );
TextFrameIndex const nFullLen = rInf.GetLen();
// As odd as it may seem: the query for GetLen() must return
// false due to the ExpandPortions _after_ the aDiffText (see SoftHyphs)
// caused by the SetFull ...
if( !nFullLen )
{
// Do not Init(), because we need height and ascent
Width(0);
return false;
}
return SwTextPortion::Format( rInf );
}
void SwExpandPortion::Paint( const SwTextPaintInfo &rInf ) const
{
rInf.DrawCSDFHighlighting(*this); // here it detects as CS and not DF
SwTextSlot aDiffText( &rInf, this, true, true );
const SwFont aOldFont = *rInf.GetFont();
if( GetJoinBorderWithPrev() )
const_cast<SwTextPaintInfo&>(rInf).GetFont()->SetLeftBorder(nullptr);
if( GetJoinBorderWithNext() )
const_cast<SwTextPaintInfo&>(rInf).GetFont()->SetRightBorder(nullptr);
// rInf.DrawCSDFHighlighting(*this); // here it detects as DF and only the '/' is detected as CS
rInf.DrawBackBrush( *this );
rInf.DrawBorder( *this );
// Do we have to repaint a post it portion?
if( rInf.OnWin() && mpNextPortion && !mpNextPortion->Width() )
mpNextPortion->PrePaint( rInf, this );
// The contents of field portions is not considered during the
// calculation of the directions. Therefore we let vcl handle
// the calculation by removing the BIDI_STRONG_FLAG temporarily.
SwLayoutModeModifier aLayoutModeModifier( *rInf.GetOut() );
aLayoutModeModifier.SetAuto();
// ST2
if ( rInf.GetSmartTags() || rInf.GetGrammarCheckList() )
rInf.DrawMarkedText( *this, rInf.GetLen(), false,
nullptr != rInf.GetSmartTags(), nullptr != rInf.GetGrammarCheckList() );
else
rInf.DrawText( *this, rInf.GetLen() );
if( GetJoinBorderWithPrev() || GetJoinBorderWithNext() )
*const_cast<SwTextPaintInfo&>(rInf).GetFont() = aOldFont;
}
SwLinePortion *SwBlankPortion::Compress() { return this; }
/**
* If a Line is full of HardBlanks and overflows, we must not generate
* underflows!
* Causes problems with Fly
*/
sal_uInt16 SwBlankPortion::MayUnderflow( const SwTextFormatInfo &rInf,
TextFrameIndex const nIdx, bool bUnderflow)
{
if( rInf.StopUnderflow() )
return 0;
const SwLinePortion *pPos = rInf.GetRoot();
if( pPos->GetNextPortion() )
pPos = pPos->GetNextPortion();
while( pPos && pPos->IsBlankPortion() )
pPos = pPos->GetNextPortion();
if( !pPos || !rInf.GetIdx() || ( !pPos->GetLen() && pPos == rInf.GetRoot() ) )
return 0; // There are just BlankPortions left
// If a Blank is preceding us, we do not need to trigger underflow
// If a Blank is succeeding us, we do not need to pass on the underflow
if (bUnderflow
&& nIdx + TextFrameIndex(1) < TextFrameIndex(rInf.GetText().getLength())
&& CH_BLANK == rInf.GetText()[sal_Int32(nIdx) + 1])
{
return 0;
}
if( nIdx && !const_cast<SwTextFormatInfo&>(rInf).GetFly() )
{
while( pPos && !pPos->IsFlyPortion() )
pPos = pPos->GetNextPortion();
if( !pPos )
{
// We check to see if there are useful line breaks, blanks or fields etc. left
// In case there still are some, no underflow
// If there are Flys, we still allow the underflow
TextFrameIndex nBlank = nIdx;
while( --nBlank > rInf.GetLineStart() )
{
const sal_Unicode cCh = rInf.GetChar( nBlank );
if( CH_BLANK == cCh ||
(( CH_TXTATR_BREAKWORD == cCh || CH_TXTATR_INWORD == cCh )
&& rInf.HasHint( nBlank ) ) )
break;
}
if( nBlank <= rInf.GetLineStart() )
return 0;
}
}
if (nIdx < TextFrameIndex(2))
return 1;
sal_Unicode const cCh(rInf.GetChar(nIdx - TextFrameIndex(1)));
if (CH_BLANK == cCh)
return 1;
if( CH_BREAK == cCh )
return 0;
return 2;
}
/**
* Format End of Line
*/
void SwBlankPortion::FormatEOL( SwTextFormatInfo &rInf )
{
sal_uInt16 nMay = MayUnderflow( rInf, rInf.GetIdx() - mnLineLength, true );
if( !nMay )
return;
if( nMay > 1 )
{
if( rInf.GetLast() == this )
rInf.SetLast( FindPrevPortion( rInf.GetRoot() ) );
rInf.X( rInf.X() - PrtWidth() );
rInf.SetIdx( rInf.GetIdx() - GetLen() );
}
Truncate();
rInf.SetUnderflow( this );
if( rInf.GetLast()->IsKernPortion() )
rInf.SetUnderflow( rInf.GetLast() );
}
/**
* Pass on the underflows and trigger them ourselves!
*/
bool SwBlankPortion::Format( SwTextFormatInfo &rInf )
{
const bool bFull = rInf.IsUnderflow() || SwExpandPortion::Format( rInf );
if( bFull && MayUnderflow( rInf, rInf.GetIdx(), rInf.IsUnderflow() ) )
{
Truncate();
rInf.SetUnderflow( this );
if( rInf.GetLast()->IsKernPortion() )
rInf.SetUnderflow( rInf.GetLast() );
}
return bFull;
}
void SwBlankPortion::Paint( const SwTextPaintInfo &rInf ) const
{
// Draw field shade (can be disabled individually)
if (!m_bMulti) // No gray background for multiportion brackets
rInf.DrawViewOpt(*this, PortionType::Blank);
SwExpandPortion::Paint(rInf);
if (rInf.GetOpt().IsViewMetaChars() && rInf.GetOpt().IsHardBlank())
{
// Draw tilde or degree sign
OUString aMarker = (m_cChar == CHAR_HARDBLANK ?
rInf.GetTextFrame()->GetDoc().getIDocumentSettingAccess()
.get(DocumentSettingId::USE_VARIABLE_WIDTH_NBSP)
? u"~"_ustr
: u"°"_ustr
: u"-"_ustr); //CHAR_HARDHYPHEN
SwPosSize aMarkerSize(rInf.GetTextSize(aMarker));
Point aPos(rInf.GetPos());
std::shared_ptr<SwRect> pPortionRect = std::make_shared<SwRect>();
rInf.CalcRect(*this, pPortionRect.get());
aPos.AdjustX((pPortionRect->Width() / 2) - (aMarkerSize.Width() / 2));
SwTextPaintInfo aInf(rInf, &aMarker);
aInf.SetPos(aPos);
SwTextPortion aMarkerPor;
aMarkerPor.Width(aMarkerSize.Width());
aMarkerPor.Height(aMarkerSize.Height());
aMarkerPor.SetAscent(GetAscent());
Color colorBackup = aInf.GetFont()->GetColor();
aInf.GetFont()->SetColor(NON_PRINTING_CHARACTER_COLOR);
aInf.DrawText(aMarkerPor, TextFrameIndex(aMarker.getLength()), true);
aInf.GetFont()->SetColor(colorBackup);
}
}
bool SwBlankPortion::GetExpText( const SwTextSizeInfo& rInf, OUString &rText ) const
{
if (m_cChar == CHAR_HARDBLANK
&& rInf.GetTextFrame()->GetDoc().getIDocumentSettingAccess().get(
DocumentSettingId::USE_VARIABLE_WIDTH_NBSP))
rText = OUString(CH_BLANK);
else
rText = OUString(m_cChar);
return true;
}
void SwBlankPortion::HandlePortion( SwPortionHandler& rPH ) const
{
rPH.Special( GetLen(), OUString( m_cChar ), GetWhichPor() );
}
void SwBlankPortion::dumpAsXml(xmlTextWriterPtr pWriter, const OUString& rText,
TextFrameIndex& nOffset) const
{
(void)xmlTextWriterStartElement(pWriter, BAD_CAST("SwBlankPortion"));
dumpAsXmlAttributes(pWriter, rText, nOffset);
nOffset += GetLen();
(void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("char"),
BAD_CAST(OUString(m_cChar).toUtf8().getStr()));
(void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("multi"),
BAD_CAST(OString::boolean(m_bMulti).getStr()));
(void)xmlTextWriterEndElement(pWriter);
}
SwPostItsPortion::SwPostItsPortion( bool bScrpt )
: m_bScript( bScrpt )
{
mnLineLength = TextFrameIndex(1);
SetWhichPor( PortionType::PostIts );
}
void SwPostItsPortion::Paint( const SwTextPaintInfo &rInf ) const
{
if( rInf.OnWin() && Width() )
rInf.DrawPostIts( IsScript() );
}
SwTwips SwPostItsPortion::GetViewWidth(const SwTextSizeInfo& rInf) const
{
// Unbelievable: PostIts are always visible
return rInf.OnWin() ? SwViewOption::GetPostItsWidth( rInf.GetOut() ) : 0;
}
bool SwPostItsPortion::Format( SwTextFormatInfo &rInf )
{
const bool bRet = SwLinePortion::Format( rInf );
// PostIts should not have an effect on line height etc.
SetAscent( 1 );
Height( 1 );
return bRet;
}
bool SwPostItsPortion::GetExpText( const SwTextSizeInfo &rInf, OUString &rText ) const
{
if( rInf.OnWin() && rInf.GetOpt().IsPostIts() )
rText = " ";
else
rText.clear();
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */