office-gobmx/vcl/source/edit/texteng.cxx
Noel Grandin 40dde4385c loplugin:ostr in vcl
Change-Id: I5b6ee5bda0c5ff69d297f7f8e87d4c3f3d21791c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167470
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins
2024-05-10 18:44:00 +02:00

2894 lines
101 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 <tools/stream.hxx>
#include <vcl/texteng.hxx>
#include <vcl/textview.hxx>
#include <vcl/commandevent.hxx>
#include <vcl/inputctx.hxx>
#include "textdoc.hxx"
#include "textdat2.hxx"
#include "textundo.hxx"
#include "textund2.hxx"
#include <svl/ctloptions.hxx>
#include <vcl/window.hxx>
#include <vcl/settings.hxx>
#include <vcl/toolkit/edit.hxx>
#include <vcl/virdev.hxx>
#include <sal/log.hxx>
#include <osl/diagnose.h>
#include <com/sun/star/i18n/XBreakIterator.hpp>
#include <com/sun/star/i18n/CharacterIteratorMode.hpp>
#include <com/sun/star/i18n/WordType.hpp>
#include <com/sun/star/i18n/InputSequenceChecker.hpp>
#include <com/sun/star/i18n/InputSequenceCheckMode.hpp>
#include <com/sun/star/i18n/ScriptType.hpp>
#include <comphelper/processfactory.hxx>
#include <unotools/localedatawrapper.hxx>
#include <vcl/unohelp.hxx>
#include <vcl/svapp.hxx>
#include <unicode/ubidi.h>
#include <algorithm>
#include <cstddef>
#include <cstdlib>
#include <memory>
#include <o3tl/sorted_vector.hxx>
#include <string_view>
#include <vector>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
TextEngine::TextEngine()
: mpActiveView {nullptr}
, maTextColor {COL_BLACK}
, mnMaxTextLen {0}
, mnMaxTextWidth {0}
, mnCharHeight {0}
, mnCurTextWidth {-1}
, mnCurTextHeight {0}
, mnDefTab {0}
, meAlign {TxtAlign::Left}
, mbIsFormatting {false}
, mbFormatted {false}
, mbUpdate {true}
, mbModified {false}
, mbUndoEnabled {false}
, mbIsInUndo {false}
, mbDowning {false}
, mbRightToLeft {false}
, mbHasMultiLineParas {false}
{
mpViews.reset( new TextViews );
mpIdleFormatter.reset( new IdleFormatter );
mpIdleFormatter->SetInvokeHandler( LINK( this, TextEngine, IdleFormatHdl ) );
mpRefDev = VclPtr<VirtualDevice>::Create();
ImpInitLayoutMode( mpRefDev );
ImpInitDoc();
vcl::Font aFont(mpRefDev->GetFont().GetFamilyName(), Size(0, 0));
aFont.SetTransparent( false );
Color aFillColor( aFont.GetFillColor() );
aFillColor.SetAlpha( 255 );
aFont.SetFillColor( aFillColor );
SetFont( aFont );
}
TextEngine::~TextEngine()
{
mbDowning = true;
mpIdleFormatter.reset();
mpDoc.reset();
mpTEParaPortions.reset();
mpViews.reset(); // only the list, not the Views
mpRefDev.disposeAndClear();
mpUndoManager.reset();
mpIMEInfos.reset();
mpLocaleDataWrapper.reset();
}
void TextEngine::InsertView( TextView* pTextView )
{
mpViews->push_back( pTextView );
pTextView->SetSelection( TextSelection() );
if ( !GetActiveView() )
SetActiveView( pTextView );
}
void TextEngine::RemoveView( TextView* pTextView )
{
TextViews::iterator it = std::find( mpViews->begin(), mpViews->end(), pTextView );
if( it != mpViews->end() )
{
pTextView->HideCursor();
mpViews->erase( it );
if ( pTextView == GetActiveView() )
SetActiveView( nullptr );
}
}
sal_uInt16 TextEngine::GetViewCount() const
{
return mpViews->size();
}
TextView* TextEngine::GetView( sal_uInt16 nView ) const
{
return (*mpViews)[ nView ];
}
void TextEngine::SetActiveView( TextView* pTextView )
{
if ( pTextView != mpActiveView )
{
if ( mpActiveView )
mpActiveView->HideSelection();
mpActiveView = pTextView;
if ( mpActiveView )
mpActiveView->ShowSelection();
}
}
void TextEngine::SetFont( const vcl::Font& rFont )
{
if ( rFont == maFont )
return;
maFont = rFont;
// #i40221# As the font's color now defaults to transparent (since i35764)
// we have to choose a useful textcolor in this case.
// Otherwise maTextColor and maFont.GetColor() are both transparent...
if( rFont.GetColor() == COL_TRANSPARENT )
maTextColor = COL_BLACK;
else
maTextColor = rFont.GetColor();
// Do not allow transparent fonts because of selection
// (otherwise delete the background in ImplPaint later differently)
maFont.SetTransparent( false );
// Tell VCL not to use the font color, use text color from OutputDevice
maFont.SetColor( COL_TRANSPARENT );
Color aFillColor( maFont.GetFillColor() );
aFillColor.SetAlpha( 255 );
maFont.SetFillColor( aFillColor );
maFont.SetAlignment( ALIGN_TOP );
mpRefDev->SetFont( maFont );
mnDefTab = mpRefDev->GetTextWidth(u" "_ustr);
if ( !mnDefTab )
mnDefTab = mpRefDev->GetTextWidth(u"XXXX"_ustr);
if ( !mnDefTab )
mnDefTab = 1;
mnCharHeight = mpRefDev->GetTextHeight();
FormatFullDoc();
UpdateViews();
for ( auto nView = mpViews->size(); nView; )
{
TextView* pView = (*mpViews)[ --nView ];
pView->GetWindow()->SetInputContext( InputContext( GetFont(), !pView->IsReadOnly() ? InputContextFlags::Text|InputContextFlags::ExtText : InputContextFlags::NONE ) );
}
}
void TextEngine::SetMaxTextLen( sal_Int32 nLen )
{
mnMaxTextLen = nLen>=0 ? nLen : EDIT_NOLIMIT;
}
void TextEngine::SetMaxTextWidth( tools::Long nMaxWidth )
{
if ( nMaxWidth>=0 && nMaxWidth != mnMaxTextWidth )
{
mnMaxTextWidth = nMaxWidth;
FormatFullDoc();
UpdateViews();
}
}
const sal_Unicode static_aLFText[] = { '\n', 0 };
const sal_Unicode static_aCRText[] = { '\r', 0 };
const sal_Unicode static_aCRLFText[] = { '\r', '\n', 0 };
static const sal_Unicode* static_getLineEndText( LineEnd aLineEnd )
{
const sal_Unicode* pRet = nullptr;
switch( aLineEnd )
{
case LINEEND_LF:
pRet = static_aLFText;
break;
case LINEEND_CR:
pRet = static_aCRText;
break;
case LINEEND_CRLF:
pRet = static_aCRLFText;
break;
}
return pRet;
}
void TextEngine::ReplaceText(const TextSelection& rSel, const OUString& rText)
{
ImpInsertText( rSel, rText );
}
OUString TextEngine::GetText( LineEnd aSeparator ) const
{
return mpDoc->GetText( static_getLineEndText( aSeparator ) );
}
OUString TextEngine::GetTextLines( LineEnd aSeparator ) const
{
OUStringBuffer aText;
const sal_uInt32 nParas = mpTEParaPortions->Count();
const sal_Unicode* pSep = static_getLineEndText( aSeparator );
for ( sal_uInt32 nP = 0; nP < nParas; ++nP )
{
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nP );
const size_t nLines = pTEParaPortion->GetLines().size();
for ( size_t nL = 0; nL < nLines; ++nL )
{
TextLine& rLine = pTEParaPortion->GetLines()[nL];
aText.append( pTEParaPortion->GetNode()->GetText().subView(rLine.GetStart(), rLine.GetEnd() - rLine.GetStart()) );
if ( pSep && ( ( (nP+1) < nParas ) || ( (nL+1) < nLines ) ) )
aText.append(pSep);
}
}
return aText.makeStringAndClear();
}
OUString TextEngine::GetText( sal_uInt32 nPara ) const
{
return mpDoc->GetText( nPara );
}
sal_Int32 TextEngine::GetTextLen() const
{
return mpDoc->GetTextLen( static_getLineEndText( LINEEND_LF ) );
}
sal_Int32 TextEngine::GetTextLen( const TextSelection& rSel ) const
{
TextSelection aSel( rSel );
aSel.Justify();
ValidateSelection( aSel );
return mpDoc->GetTextLen( static_getLineEndText( LINEEND_LF ), &aSel );
}
sal_Int32 TextEngine::GetTextLen( const sal_uInt32 nPara ) const
{
return mpDoc->GetNodes()[ nPara ]->GetText().getLength();
}
void TextEngine::SetUpdateMode( bool bUpdate )
{
if ( bUpdate != mbUpdate )
{
mbUpdate = bUpdate;
if ( mbUpdate )
{
FormatAndUpdate( GetActiveView() );
if ( GetActiveView() )
GetActiveView()->ShowCursor();
}
}
}
bool TextEngine::DoesKeyChangeText( const KeyEvent& rKeyEvent )
{
bool bDoesChange = false;
KeyFuncType eFunc = rKeyEvent.GetKeyCode().GetFunction();
if ( eFunc != KeyFuncType::DONTKNOW )
{
switch ( eFunc )
{
case KeyFuncType::UNDO:
case KeyFuncType::REDO:
case KeyFuncType::CUT:
case KeyFuncType::PASTE:
bDoesChange = true;
break;
default:
// might get handled below
eFunc = KeyFuncType::DONTKNOW;
}
}
if ( eFunc == KeyFuncType::DONTKNOW )
{
switch ( rKeyEvent.GetKeyCode().GetCode() )
{
case KEY_DELETE:
case KEY_BACKSPACE:
if ( !rKeyEvent.GetKeyCode().IsMod2() )
bDoesChange = true;
break;
case KEY_RETURN:
case KEY_TAB:
if ( !rKeyEvent.GetKeyCode().IsMod1() && !rKeyEvent.GetKeyCode().IsMod2() )
bDoesChange = true;
break;
default:
bDoesChange = TextEngine::IsSimpleCharInput( rKeyEvent );
}
}
return bDoesChange;
}
bool TextEngine::IsSimpleCharInput( const KeyEvent& rKeyEvent )
{
return rKeyEvent.GetCharCode() >= 32 && rKeyEvent.GetCharCode() != 127 &&
KEY_MOD1 != (rKeyEvent.GetKeyCode().GetModifier() & ~KEY_SHIFT) && // (ssa) #i45714#:
KEY_MOD2 != (rKeyEvent.GetKeyCode().GetModifier() & ~KEY_SHIFT); // check for Ctrl and Alt separately
}
void TextEngine::ImpInitDoc()
{
if ( mpDoc )
mpDoc->Clear();
else
mpDoc.reset( new TextDoc );
mpTEParaPortions.reset(new TEParaPortions);
std::unique_ptr<TextNode> pNode(new TextNode( OUString() ));
mpDoc->GetNodes().insert( mpDoc->GetNodes().begin(), std::move(pNode) );
TEParaPortion* pIniPortion = new TEParaPortion( mpDoc->GetNodes().begin()->get() );
mpTEParaPortions->Insert( pIniPortion, 0 );
mbFormatted = false;
ImpParagraphRemoved( TEXT_PARA_ALL );
ImpParagraphInserted( 0 );
}
OUString TextEngine::GetText( const TextSelection& rSel, LineEnd aSeparator ) const
{
if ( !rSel.HasRange() )
return OUString();
TextSelection aSel( rSel );
aSel.Justify();
OUStringBuffer aText;
const sal_uInt32 nStartPara = aSel.GetStart().GetPara();
const sal_uInt32 nEndPara = aSel.GetEnd().GetPara();
const sal_Unicode* pSep = static_getLineEndText( aSeparator );
for ( sal_uInt32 nNode = aSel.GetStart().GetPara(); nNode <= nEndPara; ++nNode )
{
TextNode* pNode = mpDoc->GetNodes()[ nNode ].get();
sal_Int32 nStartPos = 0;
sal_Int32 nEndPos = pNode->GetText().getLength();
if ( nNode == nStartPara )
nStartPos = aSel.GetStart().GetIndex();
if ( nNode == nEndPara ) // may also be == nStart!
nEndPos = aSel.GetEnd().GetIndex();
aText.append(pNode->GetText().subView(nStartPos, nEndPos-nStartPos));
if ( nNode < nEndPara )
aText.append(pSep);
}
return aText.makeStringAndClear();
}
void TextEngine::ImpRemoveText()
{
ImpInitDoc();
const TextSelection aEmptySel;
for (TextView* pView : *mpViews)
{
pView->ImpSetSelection( aEmptySel );
}
ResetUndo();
}
void TextEngine::SetText( const OUString& rText )
{
ImpRemoveText();
const bool bUndoCurrentlyEnabled = IsUndoEnabled();
// the manually inserted text cannot be reversed by the user
EnableUndo( false );
const TextSelection aEmptySel;
TextPaM aPaM;
if ( !rText.isEmpty() )
aPaM = ImpInsertText( aEmptySel, rText );
for (TextView* pView : *mpViews)
{
pView->ImpSetSelection( aEmptySel );
// if no text, then no Format&Update => the text remains
if ( rText.isEmpty() && GetUpdateMode() )
pView->Invalidate();
}
if( rText.isEmpty() ) // otherwise needs invalidation later; !bFormatted is sufficient
mnCurTextHeight = 0;
FormatAndUpdate();
EnableUndo( bUndoCurrentlyEnabled );
SAL_WARN_IF( HasUndoManager() && GetUndoManager().GetUndoActionCount(), "vcl", "SetText: Undo!" );
}
void TextEngine::CursorMoved( sal_uInt32 nNode )
{
// delete empty attribute; but only if paragraph is not empty!
TextNode* pNode = mpDoc->GetNodes()[ nNode ].get();
if ( pNode && pNode->GetCharAttribs().HasEmptyAttribs() && !pNode->GetText().isEmpty() )
pNode->GetCharAttribs().DeleteEmptyAttribs();
}
void TextEngine::ImpRemoveChars( const TextPaM& rPaM, sal_Int32 nChars )
{
SAL_WARN_IF( !nChars, "vcl", "ImpRemoveChars: 0 Chars?!" );
if ( IsUndoEnabled() && !IsInUndo() )
{
// attributes have to be saved for UNDO before RemoveChars!
TextNode* pNode = mpDoc->GetNodes()[ rPaM.GetPara() ].get();
OUString aStr( pNode->GetText().copy( rPaM.GetIndex(), nChars ) );
// check if attributes are being deleted or changed
const sal_Int32 nStart = rPaM.GetIndex();
const sal_Int32 nEnd = nStart + nChars;
for ( sal_uInt16 nAttr = pNode->GetCharAttribs().Count(); nAttr; )
{
TextCharAttrib& rAttr = pNode->GetCharAttribs().GetAttrib( --nAttr );
if ( ( rAttr.GetEnd() >= nStart ) && ( rAttr.GetStart() < nEnd ) )
{
break; // for
}
}
InsertUndo( std::make_unique<TextUndoRemoveChars>( this, rPaM, aStr ) );
}
mpDoc->RemoveChars( rPaM, nChars );
ImpCharsRemoved( rPaM.GetPara(), rPaM.GetIndex(), nChars );
}
TextPaM TextEngine::ImpConnectParagraphs( sal_uInt32 nLeft, sal_uInt32 nRight )
{
SAL_WARN_IF( nLeft == nRight, "vcl", "ImpConnectParagraphs: connect the very same paragraph ?" );
TextNode* pLeft = mpDoc->GetNodes()[ nLeft ].get();
TextNode* pRight = mpDoc->GetNodes()[ nRight ].get();
if ( IsUndoEnabled() && !IsInUndo() )
InsertUndo( std::make_unique<TextUndoConnectParas>( this, nLeft, pLeft->GetText().getLength() ) );
// first lookup Portions, as pRight is gone after ConnectParagraphs
TEParaPortion* pLeftPortion = mpTEParaPortions->GetObject( nLeft );
TEParaPortion* pRightPortion = mpTEParaPortions->GetObject( nRight );
SAL_WARN_IF( !pLeft || !pLeftPortion, "vcl", "ImpConnectParagraphs(1): Hidden Portion" );
SAL_WARN_IF( !pRight || !pRightPortion, "vcl", "ImpConnectParagraphs(2): Hidden Portion" );
TextPaM aPaM = mpDoc->ConnectParagraphs( pLeft, pRight );
ImpParagraphRemoved( nRight );
pLeftPortion->MarkSelectionInvalid( aPaM.GetIndex() );
mpTEParaPortions->Remove( nRight );
// the right Node is deleted by EditDoc::ConnectParagraphs()
return aPaM;
}
TextPaM TextEngine::ImpDeleteText( const TextSelection& rSel )
{
if ( !rSel.HasRange() )
return rSel.GetStart();
TextSelection aSel( rSel );
aSel.Justify();
TextPaM aStartPaM( aSel.GetStart() );
TextPaM aEndPaM( aSel.GetEnd() );
CursorMoved( aStartPaM.GetPara() ); // so that newly-adjusted attributes vanish
CursorMoved( aEndPaM.GetPara() ); // so that newly-adjusted attributes vanish
SAL_WARN_IF( !mpDoc->IsValidPaM( aStartPaM ), "vcl", "ImpDeleteText(1): bad Index" );
SAL_WARN_IF( !mpDoc->IsValidPaM( aEndPaM ), "vcl", "ImpDeleteText(2): bad Index" );
const sal_uInt32 nStartNode = aStartPaM.GetPara();
sal_uInt32 nEndNode = aEndPaM.GetPara();
// remove all Nodes inbetween
for ( sal_uInt32 z = nStartNode+1; z < nEndNode; ++z )
{
// always nStartNode+1, because of Remove()!
ImpRemoveParagraph( nStartNode+1 );
}
if ( nStartNode != nEndNode )
{
// the remainder of StartNodes...
TextNode* pLeft = mpDoc->GetNodes()[ nStartNode ].get();
sal_Int32 nChars = pLeft->GetText().getLength() - aStartPaM.GetIndex();
if ( nChars )
{
ImpRemoveChars( aStartPaM, nChars );
TEParaPortion* pPortion = mpTEParaPortions->GetObject( nStartNode );
SAL_WARN_IF( !pPortion, "vcl", "ImpDeleteText(3): bad Index" );
pPortion->MarkSelectionInvalid( aStartPaM.GetIndex() );
}
// the beginning of EndNodes...
nEndNode = nStartNode+1; // the other paragraphs were deleted
nChars = aEndPaM.GetIndex();
if ( nChars )
{
aEndPaM.GetPara() = nEndNode;
aEndPaM.GetIndex() = 0;
ImpRemoveChars( aEndPaM, nChars );
TEParaPortion* pPortion = mpTEParaPortions->GetObject( nEndNode );
SAL_WARN_IF( !pPortion, "vcl", "ImpDeleteText(4): bad Index" );
pPortion->MarkSelectionInvalid( 0 );
}
// connect...
aStartPaM = ImpConnectParagraphs( nStartNode, nEndNode );
}
else
{
const sal_Int32 nChars = aEndPaM.GetIndex() - aStartPaM.GetIndex();
ImpRemoveChars( aStartPaM, nChars );
TEParaPortion* pPortion = mpTEParaPortions->GetObject( nStartNode );
SAL_WARN_IF( !pPortion, "vcl", "ImpDeleteText(5): bad Index" );
pPortion->MarkInvalid( aEndPaM.GetIndex(), aStartPaM.GetIndex() - aEndPaM.GetIndex() );
}
// UpdateSelections();
TextModified();
return aStartPaM;
}
void TextEngine::ImpRemoveParagraph( sal_uInt32 nPara )
{
std::unique_ptr<TextNode> pNode = std::move(mpDoc->GetNodes()[ nPara ]);
// the Node is handled by Undo and is deleted if appropriate
mpDoc->GetNodes().erase( mpDoc->GetNodes().begin() + nPara );
if ( IsUndoEnabled() && !IsInUndo() )
InsertUndo( std::make_unique<TextUndoDelPara>( this, pNode.release(), nPara ) );
mpTEParaPortions->Remove( nPara );
ImpParagraphRemoved( nPara );
}
uno::Reference < i18n::XExtendedInputSequenceChecker > const & TextEngine::GetInputSequenceChecker()
{
if ( !mxISC.is() )
{
mxISC = i18n::InputSequenceChecker::create( ::comphelper::getProcessComponentContext() );
}
return mxISC;
}
bool TextEngine::IsInputSequenceCheckingRequired( sal_Unicode c, const TextSelection& rCurSel ) const
{
// get the index that really is first
const sal_Int32 nFirstPos = std::min(rCurSel.GetStart().GetIndex(), rCurSel.GetEnd().GetIndex());
bool bIsSequenceChecking =
SvtCTLOptions::IsCTLFontEnabled() &&
SvtCTLOptions::IsCTLSequenceChecking() &&
nFirstPos != 0; /* first char needs not to be checked */
if (bIsSequenceChecking)
{
uno::Reference< i18n::XBreakIterator > xBI = const_cast<TextEngine *>(this)->GetBreakIterator();
bIsSequenceChecking = xBI.is() && i18n::ScriptType::COMPLEX == xBI->getScriptType( OUString( c ), 0 );
}
return bIsSequenceChecking;
}
TextPaM TextEngine::ImpInsertText( const TextSelection& rCurSel, sal_Unicode c, bool bOverwrite )
{
return ImpInsertText( c, rCurSel, bOverwrite );
}
TextPaM TextEngine::ImpInsertText( sal_Unicode c, const TextSelection& rCurSel, bool bOverwrite, bool bIsUserInput )
{
SAL_WARN_IF( c == '\n', "vcl", "InsertText: NewLine!" );
SAL_WARN_IF( c == '\r', "vcl", "InsertText: NewLine!" );
TextPaM aPaM( rCurSel.GetStart() );
TextNode* pNode = mpDoc->GetNodes()[ aPaM.GetPara() ].get();
bool bDoOverwrite = bOverwrite && ( aPaM.GetIndex() < pNode->GetText().getLength() );
bool bUndoAction = rCurSel.HasRange() || bDoOverwrite;
if ( bUndoAction )
UndoActionStart();
if ( rCurSel.HasRange() )
{
aPaM = ImpDeleteText( rCurSel );
}
else if ( bDoOverwrite )
{
// if selection, then don't overwrite a character
TextSelection aTmpSel( aPaM );
++aTmpSel.GetEnd().GetIndex();
ImpDeleteText( aTmpSel );
}
if (bIsUserInput && IsInputSequenceCheckingRequired( c, rCurSel ))
{
uno::Reference < i18n::XExtendedInputSequenceChecker > xISC = GetInputSequenceChecker();
if (xISC.is())
{
sal_Int32 nTmpPos = aPaM.GetIndex();
sal_Int16 nCheckMode = SvtCTLOptions::IsCTLSequenceCheckingRestricted() ?
i18n::InputSequenceCheckMode::STRICT : i18n::InputSequenceCheckMode::BASIC;
// the text that needs to be checked is only the one
// before the current cursor position
OUString aOldText( mpDoc->GetText( aPaM.GetPara() ).copy(0, nTmpPos) );
if (SvtCTLOptions::IsCTLSequenceCheckingTypeAndReplace())
{
OUString aNewText( aOldText );
xISC->correctInputSequence( aNewText, nTmpPos - 1, c, nCheckMode );
// find position of first character that has changed
const sal_Int32 nOldLen = aOldText.getLength();
const sal_Int32 nNewLen = aNewText.getLength();
const sal_Unicode *pOldTxt = aOldText.getStr();
const sal_Unicode *pNewTxt = aNewText.getStr();
sal_Int32 nChgPos = 0;
while ( nChgPos < nOldLen && nChgPos < nNewLen &&
pOldTxt[nChgPos] == pNewTxt[nChgPos] )
++nChgPos;
OUString aChgText( aNewText.copy( nChgPos ) );
// select text from first pos to be changed to current pos
TextSelection aSel( TextPaM( aPaM.GetPara(), nChgPos ), aPaM );
if (!aChgText.isEmpty())
// ImpInsertText implicitly handles undo...
return ImpInsertText( aSel, aChgText );
else
return aPaM;
}
else
{
// should the character be ignored (i.e. not get inserted) ?
if (!xISC->checkInputSequence( aOldText, nTmpPos - 1, c, nCheckMode ))
return aPaM; // nothing to be done -> no need for undo
}
}
// at this point now we will insert the character 'normally' some lines below...
}
if ( IsUndoEnabled() && !IsInUndo() )
{
std::unique_ptr<TextUndoInsertChars> pNewUndo(new TextUndoInsertChars( this, aPaM, OUString(c) ));
bool bTryMerge = !bDoOverwrite && ( c != ' ' );
InsertUndo( std::move(pNewUndo), bTryMerge );
}
TEParaPortion* pPortion = mpTEParaPortions->GetObject( aPaM.GetPara() );
pPortion->MarkInvalid( aPaM.GetIndex(), 1 );
if ( c == '\t' )
pPortion->SetNotSimpleInvalid();
aPaM = mpDoc->InsertText( aPaM, c );
ImpCharsInserted( aPaM.GetPara(), aPaM.GetIndex()-1, 1 );
TextModified();
if ( bUndoAction )
UndoActionEnd();
return aPaM;
}
TextPaM TextEngine::ImpInsertText( const TextSelection& rCurSel, const OUString& rStr )
{
UndoActionStart();
TextPaM aPaM;
if ( rCurSel.HasRange() )
aPaM = ImpDeleteText( rCurSel );
else
aPaM = rCurSel.GetEnd();
OUString aText(convertLineEnd(rStr, LINEEND_LF));
sal_Int32 nStart = 0;
while ( nStart < aText.getLength() )
{
sal_Int32 nEnd = aText.indexOf( LINE_SEP, nStart );
if (nEnd == -1)
nEnd = aText.getLength(); // do not dereference!
// Start == End => empty line
if ( nEnd > nStart )
{
OUString aLine(aText.copy(nStart, nEnd-nStart));
if ( IsUndoEnabled() && !IsInUndo() )
InsertUndo( std::make_unique<TextUndoInsertChars>( this, aPaM, aLine ) );
TEParaPortion* pPortion = mpTEParaPortions->GetObject( aPaM.GetPara() );
pPortion->MarkInvalid( aPaM.GetIndex(), aLine.getLength() );
if (aLine.indexOf( '\t' ) != -1)
pPortion->SetNotSimpleInvalid();
aPaM = mpDoc->InsertText( aPaM, aLine );
ImpCharsInserted( aPaM.GetPara(), aPaM.GetIndex()-aLine.getLength(), aLine.getLength() );
}
if ( nEnd < aText.getLength() )
aPaM = ImpInsertParaBreak( aPaM );
if ( nEnd == aText.getLength() ) // #108611# prevent overflow in "nStart = nEnd+1" calculation
break;
nStart = nEnd+1;
}
UndoActionEnd();
TextModified();
return aPaM;
}
TextPaM TextEngine::ImpInsertParaBreak( const TextSelection& rCurSel )
{
TextPaM aPaM;
if ( rCurSel.HasRange() )
aPaM = ImpDeleteText( rCurSel );
else
aPaM = rCurSel.GetEnd();
return ImpInsertParaBreak( aPaM );
}
TextPaM TextEngine::ImpInsertParaBreak( const TextPaM& rPaM )
{
if ( IsUndoEnabled() && !IsInUndo() )
InsertUndo( std::make_unique<TextUndoSplitPara>( this, rPaM.GetPara(), rPaM.GetIndex() ) );
TextNode* pNode = mpDoc->GetNodes()[ rPaM.GetPara() ].get();
bool bFirstParaContentChanged = rPaM.GetIndex() < pNode->GetText().getLength();
TextPaM aPaM( mpDoc->InsertParaBreak( rPaM ) );
TEParaPortion* pPortion = mpTEParaPortions->GetObject( rPaM.GetPara() );
SAL_WARN_IF( !pPortion, "vcl", "ImpInsertParaBreak: Hidden Portion" );
pPortion->MarkInvalid( rPaM.GetIndex(), 0 );
TextNode* pNewNode = mpDoc->GetNodes()[ aPaM.GetPara() ].get();
TEParaPortion* pNewPortion = new TEParaPortion( pNewNode );
mpTEParaPortions->Insert( pNewPortion, aPaM.GetPara() );
ImpParagraphInserted( aPaM.GetPara() );
CursorMoved( rPaM.GetPara() ); // if empty attribute created
TextModified();
if ( bFirstParaContentChanged )
Broadcast( TextHint( SfxHintId::TextParaContentChanged, rPaM.GetPara() ) );
return aPaM;
}
tools::Rectangle TextEngine::PaMtoEditCursor( const TextPaM& rPaM, bool bSpecial )
{
SAL_WARN_IF( !GetUpdateMode(), "vcl", "PaMtoEditCursor: GetUpdateMode()" );
tools::Rectangle aEditCursor;
tools::Long nY = 0;
if ( !mbHasMultiLineParas )
{
nY = rPaM.GetPara() * mnCharHeight;
}
else
{
for ( sal_uInt32 nPortion = 0; nPortion < rPaM.GetPara(); ++nPortion )
{
TEParaPortion* pPortion = mpTEParaPortions->GetObject(nPortion);
nY += pPortion->GetLines().size() * mnCharHeight;
}
}
aEditCursor = GetEditCursor( rPaM, bSpecial );
aEditCursor.AdjustTop(nY );
aEditCursor.AdjustBottom(nY );
return aEditCursor;
}
tools::Rectangle TextEngine::GetEditCursor( const TextPaM& rPaM, bool bSpecial, bool bPreferPortionStart )
{
if ( !IsFormatted() && !IsFormatting() )
FormatAndUpdate();
TEParaPortion* pPortion = mpTEParaPortions->GetObject( rPaM.GetPara() );
//TextNode* pNode = mpDoc->GetNodes().GetObject( rPaM.GetPara() );
/*
bSpecial: If behind the last character of a made up line, stay at the
end of the line, not at the start of the next line.
Purpose: - really END = > behind the last character
- to selection...
*/
tools::Long nY = 0;
sal_Int32 nCurIndex = 0;
TextLine* pLine = nullptr;
for (TextLine & rTmpLine : pPortion->GetLines())
{
if ( ( rTmpLine.GetStart() == rPaM.GetIndex() ) || ( rTmpLine.IsIn( rPaM.GetIndex(), bSpecial ) ) )
{
pLine = &rTmpLine;
break;
}
nCurIndex = nCurIndex + rTmpLine.GetLen();
nY += mnCharHeight;
}
if ( !pLine )
{
// Cursor at end of paragraph
SAL_WARN_IF( rPaM.GetIndex() != nCurIndex, "vcl", "GetEditCursor: Bad Index!" );
pLine = & ( pPortion->GetLines().back() );
nY -= mnCharHeight;
}
tools::Rectangle aEditCursor;
aEditCursor.SetTop( nY );
nY += mnCharHeight;
aEditCursor.SetBottom( nY-1 );
// search within the line
tools::Long nX = ImpGetXPos( rPaM.GetPara(), pLine, rPaM.GetIndex(), bPreferPortionStart );
aEditCursor.SetLeft(nX);
aEditCursor.SetRight(nX);
return aEditCursor;
}
tools::Long TextEngine::ImpGetXPos( sal_uInt32 nPara, TextLine* pLine, sal_Int32 nIndex, bool bPreferPortionStart )
{
SAL_WARN_IF( ( nIndex < pLine->GetStart() ) || ( nIndex > pLine->GetEnd() ) , "vcl", "ImpGetXPos: Bad parameters!" );
bool bDoPreferPortionStart = bPreferPortionStart;
// Assure that the portion belongs to this line
if ( nIndex == pLine->GetStart() )
bDoPreferPortionStart = true;
else if ( nIndex == pLine->GetEnd() )
bDoPreferPortionStart = false;
TEParaPortion* pParaPortion = mpTEParaPortions->GetObject( nPara );
sal_Int32 nTextPortionStart = 0;
std::size_t nTextPortion = pParaPortion->GetTextPortions().FindPortion( nIndex, nTextPortionStart, bDoPreferPortionStart );
SAL_WARN_IF( ( nTextPortion < pLine->GetStartPortion() ) || ( nTextPortion > pLine->GetEndPortion() ), "vcl", "GetXPos: Portion not in current line!" );
TETextPortion& rPortion = pParaPortion->GetTextPortions()[ nTextPortion ];
tools::Long nX = ImpGetPortionXOffset( nPara, pLine, nTextPortion );
tools::Long nPortionTextWidth = rPortion.GetWidth();
if ( nTextPortionStart != nIndex )
{
// Search within portion...
if ( nIndex == ( nTextPortionStart + rPortion.GetLen() ) )
{
// End of Portion
if ( ( rPortion.GetKind() == PORTIONKIND_TAB ) ||
( !IsRightToLeft() && !rPortion.IsRightToLeft() ) ||
( IsRightToLeft() && rPortion.IsRightToLeft() ) )
{
nX += nPortionTextWidth;
if ( ( rPortion.GetKind() == PORTIONKIND_TAB ) && ( (nTextPortion+1) < pParaPortion->GetTextPortions().size() ) )
{
TETextPortion& rNextPortion = pParaPortion->GetTextPortions()[ nTextPortion+1 ];
if (rNextPortion.GetKind() != PORTIONKIND_TAB && IsRightToLeft() != rNextPortion.IsRightToLeft())
{
// End of the tab portion, use start of next for cursor pos
SAL_WARN_IF( bPreferPortionStart, "vcl", "ImpGetXPos: How can we get here!" );
nX = ImpGetXPos( nPara, pLine, nIndex, true );
}
}
}
}
else if ( rPortion.GetKind() == PORTIONKIND_TEXT )
{
SAL_WARN_IF( nIndex == pLine->GetStart(), "vcl", "ImpGetXPos: Strange behavior" );
tools::Long nPosInPortion = CalcTextWidth( nPara, nTextPortionStart, nIndex-nTextPortionStart );
if (IsRightToLeft() == rPortion.IsRightToLeft())
{
nX += nPosInPortion;
}
else
{
nX += nPortionTextWidth - nPosInPortion;
}
}
}
else // if ( nIndex == pLine->GetStart() )
{
if (rPortion.GetKind() != PORTIONKIND_TAB && IsRightToLeft() != rPortion.IsRightToLeft())
{
nX += nPortionTextWidth;
}
}
return nX;
}
const TextAttrib* TextEngine::FindAttrib( const TextPaM& rPaM, sal_uInt16 nWhich ) const
{
const TextAttrib* pAttr = nullptr;
const TextCharAttrib* pCharAttr = FindCharAttrib( rPaM, nWhich );
if ( pCharAttr )
pAttr = &pCharAttr->GetAttr();
return pAttr;
}
const TextCharAttrib* TextEngine::FindCharAttrib( const TextPaM& rPaM, sal_uInt16 nWhich ) const
{
const TextCharAttrib* pAttr = nullptr;
TextNode* pNode = mpDoc->GetNodes()[ rPaM.GetPara() ].get();
if (pNode && (rPaM.GetIndex() <= pNode->GetText().getLength()))
pAttr = pNode->GetCharAttribs().FindAttrib( nWhich, rPaM.GetIndex() );
return pAttr;
}
TextPaM TextEngine::GetPaM( const Point& rDocPos )
{
SAL_WARN_IF( !GetUpdateMode(), "vcl", "GetPaM: GetUpdateMode()" );
tools::Long nY = 0;
for ( sal_uInt32 nPortion = 0; nPortion < mpTEParaPortions->Count(); ++nPortion )
{
TEParaPortion* pPortion = mpTEParaPortions->GetObject( nPortion );
tools::Long nTmpHeight = pPortion->GetLines().size() * mnCharHeight;
nY += nTmpHeight;
if ( nY > rDocPos.Y() )
{
nY -= nTmpHeight;
Point aPosInPara( rDocPos );
aPosInPara.AdjustY( -nY );
TextPaM aPaM( nPortion, 0 );
aPaM.GetIndex() = ImpFindIndex( nPortion, aPosInPara );
return aPaM;
}
}
// not found - go to last visible
const sal_uInt32 nLastNode = static_cast<sal_uInt32>(mpDoc->GetNodes().size() - 1);
TextNode* pLast = mpDoc->GetNodes()[ nLastNode ].get();
return TextPaM( nLastNode, pLast->GetText().getLength() );
}
sal_Int32 TextEngine::ImpFindIndex( sal_uInt32 nPortion, const Point& rPosInPara )
{
SAL_WARN_IF( !IsFormatted(), "vcl", "GetPaM: Not formatted" );
TEParaPortion* pPortion = mpTEParaPortions->GetObject( nPortion );
sal_Int32 nCurIndex = 0;
tools::Long nY = 0;
TextLine* pLine = nullptr;
std::vector<TextLine>::size_type nLine;
for ( nLine = 0; nLine < pPortion->GetLines().size(); nLine++ )
{
TextLine& rmpLine = pPortion->GetLines()[ nLine ];
nY += mnCharHeight;
if ( nY > rPosInPara.Y() ) // that's it
{
pLine = &rmpLine;
break; // correct Y-Position not needed
}
}
assert(pLine && "ImpFindIndex: pLine ?");
nCurIndex = GetCharPos( nPortion, nLine, rPosInPara.X() );
if ( nCurIndex && ( nCurIndex == pLine->GetEnd() ) &&
( pLine != &( pPortion->GetLines().back() ) ) )
{
uno::Reference < i18n::XBreakIterator > xBI = GetBreakIterator();
sal_Int32 nCount = 1;
nCurIndex = xBI->previousCharacters( pPortion->GetNode()->GetText(), nCurIndex, GetLocale(), i18n::CharacterIteratorMode::SKIPCELL, nCount, nCount );
}
return nCurIndex;
}
sal_Int32 TextEngine::GetCharPos( sal_uInt32 nPortion, std::vector<TextLine>::size_type nLine, tools::Long nXPos )
{
TEParaPortion* pPortion = mpTEParaPortions->GetObject( nPortion );
TextLine& rLine = pPortion->GetLines()[ nLine ];
sal_Int32 nCurIndex = rLine.GetStart();
tools::Long nTmpX = rLine.GetStartX();
if ( nXPos <= nTmpX )
return nCurIndex;
for ( std::size_t i = rLine.GetStartPortion(); i <= rLine.GetEndPortion(); i++ )
{
TETextPortion& rTextPortion = pPortion->GetTextPortions()[ i ];
nTmpX += rTextPortion.GetWidth();
if ( nTmpX > nXPos )
{
if( rTextPortion.GetLen() > 1 )
{
nTmpX -= rTextPortion.GetWidth(); // position before Portion
// TODO: Optimize: no GetTextBreak if fixed-width Font
vcl::Font aFont;
SeekCursor( nPortion, nCurIndex+1, aFont, nullptr );
mpRefDev->SetFont( aFont);
tools::Long nPosInPortion = nXPos-nTmpX;
if ( IsRightToLeft() != rTextPortion.IsRightToLeft() )
nPosInPortion = rTextPortion.GetWidth() - nPosInPortion;
nCurIndex = mpRefDev->GetTextBreak( pPortion->GetNode()->GetText(), nPosInPortion, nCurIndex );
// MT: GetTextBreak should assure that we are not within a CTL cell...
}
return nCurIndex;
}
nCurIndex += rTextPortion.GetLen();
}
return nCurIndex;
}
tools::Long TextEngine::GetTextHeight() const
{
SAL_WARN_IF( !GetUpdateMode(), "vcl", "GetTextHeight: GetUpdateMode()" );
if ( !IsFormatted() && !IsFormatting() )
const_cast<TextEngine*>(this)->FormatAndUpdate();
return mnCurTextHeight;
}
tools::Long TextEngine::GetTextHeight( sal_uInt32 nParagraph ) const
{
SAL_WARN_IF( !GetUpdateMode(), "vcl", "GetTextHeight: GetUpdateMode()" );
if ( !IsFormatted() && !IsFormatting() )
const_cast<TextEngine*>(this)->FormatAndUpdate();
return CalcParaHeight( nParagraph );
}
tools::Long TextEngine::CalcTextWidth( sal_uInt32 nPara )
{
tools::Long nParaWidth = 0;
TEParaPortion* pPortion = mpTEParaPortions->GetObject( nPara );
for ( auto nLine = pPortion->GetLines().size(); nLine; )
{
tools::Long nLineWidth = 0;
TextLine& rLine = pPortion->GetLines()[ --nLine ];
for ( std::size_t nTP = rLine.GetStartPortion(); nTP <= rLine.GetEndPortion(); nTP++ )
{
TETextPortion& rTextPortion = pPortion->GetTextPortions()[ nTP ];
nLineWidth += rTextPortion.GetWidth();
}
if ( nLineWidth > nParaWidth )
nParaWidth = nLineWidth;
}
return nParaWidth;
}
tools::Long TextEngine::CalcTextWidth()
{
if ( !IsFormatted() && !IsFormatting() )
FormatAndUpdate();
if ( mnCurTextWidth < 0 )
{
mnCurTextWidth = 0;
for ( sal_uInt32 nPara = mpTEParaPortions->Count(); nPara; )
{
const tools::Long nParaWidth = CalcTextWidth( --nPara );
if ( nParaWidth > mnCurTextWidth )
mnCurTextWidth = nParaWidth;
}
}
return mnCurTextWidth+1;// wider by 1, as CreateLines breaks at >=
}
tools::Long TextEngine::CalcTextHeight() const
{
SAL_WARN_IF( !GetUpdateMode(), "vcl", "CalcTextHeight: GetUpdateMode()" );
tools::Long nY = 0;
for ( auto nPortion = mpTEParaPortions->Count(); nPortion; )
nY += CalcParaHeight( --nPortion );
return nY;
}
tools::Long TextEngine::CalcTextWidth( sal_uInt32 nPara, sal_Int32 nPortionStart, sal_Int32 nLen )
{
#ifdef DBG_UTIL
// within the text there must not be a Portion change (attribute/tab)!
sal_Int32 nTabPos = mpDoc->GetNodes()[ nPara ]->GetText().indexOf( '\t', nPortionStart );
SAL_WARN_IF( nTabPos != -1 && nTabPos < (nPortionStart+nLen), "vcl", "CalcTextWidth: Tab!" );
#endif
vcl::Font aFont;
SeekCursor( nPara, nPortionStart+1, aFont, nullptr );
mpRefDev->SetFont( aFont );
TextNode* pNode = mpDoc->GetNodes()[ nPara ].get();
tools::Long nWidth = mpRefDev->GetTextWidth( pNode->GetText(), nPortionStart, nLen );
return nWidth;
}
void TextEngine::GetTextPortionRange(const TextPaM& rPaM, sal_Int32& nStart, sal_Int32& nEnd)
{
nStart = 0;
nEnd = 0;
TEParaPortion* pParaPortion = mpTEParaPortions->GetObject( rPaM.GetPara() );
for ( std::size_t i = 0; i < pParaPortion->GetTextPortions().size(); ++i )
{
TETextPortion& rTextPortion = pParaPortion->GetTextPortions()[ i ];
if (nStart + rTextPortion.GetLen() > rPaM.GetIndex())
{
nEnd = nStart + rTextPortion.GetLen();
return;
}
else
{
nStart += rTextPortion.GetLen();
}
}
}
sal_uInt16 TextEngine::GetLineCount( sal_uInt32 nParagraph ) const
{
SAL_WARN_IF( nParagraph >= mpTEParaPortions->Count(), "vcl", "GetLineCount: Out of range" );
TEParaPortion* pPPortion = mpTEParaPortions->GetObject( nParagraph );
if ( pPPortion )
return pPPortion->GetLines().size();
return 0;
}
sal_Int32 TextEngine::GetLineLen( sal_uInt32 nParagraph, sal_uInt16 nLine ) const
{
SAL_WARN_IF( nParagraph >= mpTEParaPortions->Count(), "vcl", "GetLineCount: Out of range" );
TEParaPortion* pPPortion = mpTEParaPortions->GetObject( nParagraph );
if ( pPPortion && ( nLine < pPPortion->GetLines().size() ) )
{
return pPPortion->GetLines()[ nLine ].GetLen();
}
return 0;
}
tools::Long TextEngine::CalcParaHeight( sal_uInt32 nParagraph ) const
{
tools::Long nHeight = 0;
TEParaPortion* pPPortion = mpTEParaPortions->GetObject( nParagraph );
SAL_WARN_IF( !pPPortion, "vcl", "GetParaHeight: paragraph not found" );
if ( pPPortion )
nHeight = pPPortion->GetLines().size() * mnCharHeight;
return nHeight;
}
Range TextEngine::GetInvalidYOffsets( sal_uInt32 nPortion )
{
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPortion );
sal_uInt16 nLines = pTEParaPortion->GetLines().size();
sal_uInt16 nLastInvalid, nFirstInvalid = 0;
sal_uInt16 nLine;
for ( nLine = 0; nLine < nLines; nLine++ )
{
TextLine& rL = pTEParaPortion->GetLines()[ nLine ];
if ( rL.IsInvalid() )
{
nFirstInvalid = nLine;
break;
}
}
for ( nLastInvalid = nFirstInvalid; nLastInvalid < nLines; nLastInvalid++ )
{
TextLine& rL = pTEParaPortion->GetLines()[ nLine ];
if ( rL.IsValid() )
break;
}
if ( nLastInvalid >= nLines )
nLastInvalid = nLines-1;
return Range( nFirstInvalid*mnCharHeight, ((nLastInvalid+1)*mnCharHeight)-1 );
}
sal_uInt32 TextEngine::GetParagraphCount() const
{
return static_cast<sal_uInt32>(mpDoc->GetNodes().size());
}
void TextEngine::EnableUndo( bool bEnable )
{
// delete list when switching mode
if ( bEnable != IsUndoEnabled() )
ResetUndo();
mbUndoEnabled = bEnable;
}
SfxUndoManager& TextEngine::GetUndoManager()
{
if ( !mpUndoManager )
mpUndoManager.reset( new TextUndoManager( this ) );
return *mpUndoManager;
}
void TextEngine::UndoActionStart( sal_uInt16 nId )
{
if ( IsUndoEnabled() && !IsInUndo() )
{
GetUndoManager().EnterListAction( OUString(), OUString(), nId, ViewShellId(-1) );
}
}
void TextEngine::UndoActionEnd()
{
if ( IsUndoEnabled() && !IsInUndo() )
GetUndoManager().LeaveListAction();
}
void TextEngine::InsertUndo( std::unique_ptr<TextUndo> pUndo, bool bTryMerge )
{
SAL_WARN_IF( IsInUndo(), "vcl", "InsertUndo: in Undo mode!" );
GetUndoManager().AddUndoAction( std::move(pUndo), bTryMerge );
}
void TextEngine::ResetUndo()
{
if ( mpUndoManager )
mpUndoManager->Clear();
}
void TextEngine::InsertContent( std::unique_ptr<TextNode> pNode, sal_uInt32 nPara )
{
SAL_WARN_IF( !pNode, "vcl", "InsertContent: NULL-Pointer!" );
SAL_WARN_IF( !IsInUndo(), "vcl", "InsertContent: only in Undo()!" );
TEParaPortion* pNew = new TEParaPortion( pNode.get() );
mpTEParaPortions->Insert( pNew, nPara );
mpDoc->GetNodes().insert( mpDoc->GetNodes().begin() + nPara, std::move(pNode) );
ImpParagraphInserted( nPara );
}
TextPaM TextEngine::SplitContent( sal_uInt32 nNode, sal_Int32 nSepPos )
{
#ifdef DBG_UTIL
TextNode* pNode = mpDoc->GetNodes()[ nNode ].get();
assert(pNode && "SplitContent: Invalid Node!");
SAL_WARN_IF( !IsInUndo(), "vcl", "SplitContent: only in Undo()!" );
SAL_WARN_IF( nSepPos > pNode->GetText().getLength(), "vcl", "SplitContent: Bad index" );
#endif
TextPaM aPaM( nNode, nSepPos );
return ImpInsertParaBreak( aPaM );
}
TextPaM TextEngine::ConnectContents( sal_uInt32 nLeftNode )
{
SAL_WARN_IF( !IsInUndo(), "vcl", "ConnectContent: only in Undo()!" );
return ImpConnectParagraphs( nLeftNode, nLeftNode+1 );
}
void TextEngine::SeekCursor( sal_uInt32 nPara, sal_Int32 nPos, vcl::Font& rFont, OutputDevice* pOutDev )
{
rFont = maFont;
if ( pOutDev )
pOutDev->SetTextColor( maTextColor );
TextNode* pNode = mpDoc->GetNodes()[ nPara ].get();
sal_uInt16 nAttribs = pNode->GetCharAttribs().Count();
for ( sal_uInt16 nAttr = 0; nAttr < nAttribs; nAttr++ )
{
TextCharAttrib& rAttrib = pNode->GetCharAttribs().GetAttrib( nAttr );
if ( rAttrib.GetStart() > nPos )
break;
// When seeking don't use Attr that start there!
// Do not use empty attributes:
// - If just being setup and empty => no effect on Font
// - Characters that are setup in an empty paragraph become visible right away.
if ( ( ( rAttrib.GetStart() < nPos ) && ( rAttrib.GetEnd() >= nPos ) )
|| pNode->GetText().isEmpty() )
{
if ( rAttrib.Which() != TEXTATTR_FONTCOLOR )
{
rAttrib.GetAttr().SetFont(rFont);
}
else
{
if ( pOutDev )
pOutDev->SetTextColor( static_cast<const TextAttribFontColor&>(rAttrib.GetAttr()).GetColor() );
}
}
}
if ( !(mpIMEInfos && mpIMEInfos->pAttribs && ( mpIMEInfos->aPos.GetPara() == nPara ) &&
( nPos > mpIMEInfos->aPos.GetIndex() ) && ( nPos <= ( mpIMEInfos->aPos.GetIndex() + mpIMEInfos->nLen ) )) )
return;
ExtTextInputAttr nAttr = mpIMEInfos->pAttribs[ nPos - mpIMEInfos->aPos.GetIndex() - 1 ];
if ( nAttr & ExtTextInputAttr::Underline )
rFont.SetUnderline( LINESTYLE_SINGLE );
else if ( nAttr & ExtTextInputAttr::DoubleUnderline )
rFont.SetUnderline( LINESTYLE_DOUBLE );
else if ( nAttr & ExtTextInputAttr::BoldUnderline )
rFont.SetUnderline( LINESTYLE_BOLD );
else if ( nAttr & ExtTextInputAttr::DottedUnderline )
rFont.SetUnderline( LINESTYLE_DOTTED );
else if ( nAttr & ExtTextInputAttr::DashDotUnderline )
rFont.SetUnderline( LINESTYLE_DOTTED );
if ( nAttr & ExtTextInputAttr::RedText )
rFont.SetColor( COL_RED );
else if ( nAttr & ExtTextInputAttr::HalfToneText )
rFont.SetColor( COL_LIGHTGRAY );
if ( nAttr & ExtTextInputAttr::Highlight )
{
const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
rFont.SetColor( rStyleSettings.GetHighlightTextColor() );
rFont.SetFillColor( rStyleSettings.GetHighlightColor() );
rFont.SetTransparent( false );
}
else if ( nAttr & ExtTextInputAttr::GrayWaveline )
{
rFont.SetUnderline( LINESTYLE_WAVE );
// if( pOut )
// pOut->SetTextLineColor( COL_LIGHTGRAY );
}
}
void TextEngine::FormatAndUpdate( TextView* pCurView )
{
if ( mbDowning )
return;
if ( IsInUndo() )
IdleFormatAndUpdate( pCurView );
else
{
FormatDoc();
UpdateViews( pCurView );
}
}
void TextEngine::IdleFormatAndUpdate( TextView* pCurView, sal_uInt16 nMaxTimerRestarts )
{
mpIdleFormatter->DoIdleFormat( pCurView, nMaxTimerRestarts );
}
void TextEngine::TextModified()
{
mbFormatted = false;
mbModified = true;
}
void TextEngine::UpdateViews( TextView* pCurView )
{
if ( !GetUpdateMode() || IsFormatting() || maInvalidRect.IsEmpty() )
return;
SAL_WARN_IF( !IsFormatted(), "vcl", "UpdateViews: Doc not formatted!" );
for (TextView* pView : *mpViews)
{
pView->HideCursor();
tools::Rectangle aClipRect( maInvalidRect );
const Size aOutSz = pView->GetWindow()->GetOutputSizePixel();
const tools::Rectangle aVisArea( pView->GetStartDocPos(), aOutSz );
aClipRect.Intersection( aVisArea );
if ( !aClipRect.IsEmpty() )
{
// translate into window coordinates
Point aNewPos = pView->GetWindowPos( aClipRect.TopLeft() );
if ( IsRightToLeft() )
aNewPos.AdjustX( -(aOutSz.Width() - 1) );
aClipRect.SetPos( aNewPos );
pView->GetWindow()->Invalidate( aClipRect );
}
}
if ( pCurView )
{
pCurView->ShowCursor( pCurView->IsAutoScroll() );
}
maInvalidRect = tools::Rectangle();
}
IMPL_LINK_NOARG(TextEngine, IdleFormatHdl, Timer *, void)
{
FormatAndUpdate( mpIdleFormatter->GetView() );
}
void TextEngine::CheckIdleFormatter()
{
mpIdleFormatter->ForceTimeout();
}
void TextEngine::FormatFullDoc()
{
for ( sal_uInt32 nPortion = 0; nPortion < mpTEParaPortions->Count(); ++nPortion )
{
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPortion );
pTEParaPortion->MarkSelectionInvalid( 0 );
}
mbFormatted = false;
FormatDoc();
}
void TextEngine::FormatDoc()
{
if ( IsFormatted() || !GetUpdateMode() || IsFormatting() )
return;
mbIsFormatting = true;
mbHasMultiLineParas = false;
tools::Long nY = 0;
bool bGrow = false;
maInvalidRect = tools::Rectangle(); // clear
for ( sal_uInt32 nPara = 0; nPara < mpTEParaPortions->Count(); ++nPara )
{
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
if ( pTEParaPortion->IsInvalid() )
{
const tools::Long nOldParaWidth = mnCurTextWidth >= 0 ? CalcTextWidth( nPara ) : -1;
Broadcast( TextHint( SfxHintId::TextFormatPara, nPara ) );
if ( CreateLines( nPara ) )
bGrow = true;
// set InvalidRect only once
if ( maInvalidRect.IsEmpty() )
{
// otherwise remains Empty() for Paperwidth 0 (AutoPageSize)
const tools::Long nWidth = mnMaxTextWidth
? mnMaxTextWidth
: std::numeric_limits<tools::Long>::max();
const Range aInvRange( GetInvalidYOffsets( nPara ) );
maInvalidRect = tools::Rectangle( Point( 0, nY+aInvRange.Min() ),
Size( nWidth, aInvRange.Len() ) );
}
else
{
maInvalidRect.SetBottom( nY + CalcParaHeight( nPara ) );
}
if ( mnCurTextWidth >= 0 )
{
const tools::Long nNewParaWidth = CalcTextWidth( nPara );
if ( nNewParaWidth >= mnCurTextWidth )
mnCurTextWidth = nNewParaWidth;
else if ( nOldParaWidth >= mnCurTextWidth )
mnCurTextWidth = -1;
}
}
else if ( bGrow )
{
maInvalidRect.SetBottom( nY + CalcParaHeight( nPara ) );
}
nY += CalcParaHeight( nPara );
if ( !mbHasMultiLineParas && pTEParaPortion->GetLines().size() > 1 )
mbHasMultiLineParas = true;
}
if ( !maInvalidRect.IsEmpty() )
{
const tools::Long nNewHeight = CalcTextHeight();
const tools::Long nDiff = nNewHeight - mnCurTextHeight;
if ( nNewHeight < mnCurTextHeight )
{
maInvalidRect.SetBottom( std::max( nNewHeight, mnCurTextHeight ) );
if ( maInvalidRect.IsEmpty() )
{
maInvalidRect.SetTop( 0 );
// Left and Right are not evaluated, but set because of IsEmpty
maInvalidRect.SetLeft( 0 );
maInvalidRect.SetRight( mnMaxTextWidth );
}
}
mnCurTextHeight = nNewHeight;
if ( nDiff )
{
mbFormatted = true;
Broadcast( TextHint( SfxHintId::TextHeightChanged ) );
}
}
mbIsFormatting = false;
mbFormatted = true;
Broadcast( TextHint( SfxHintId::TextFormatted ) );
}
void TextEngine::CreateAndInsertEmptyLine( sal_uInt32 nPara )
{
TextNode* pNode = mpDoc->GetNodes()[ nPara ].get();
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
TextLine aTmpLine;
aTmpLine.SetStart( pNode->GetText().getLength() );
aTmpLine.SetEnd( aTmpLine.GetStart() );
if ( ImpGetAlign() == TxtAlign::Center )
aTmpLine.SetStartX( static_cast<short>(mnMaxTextWidth / 2) );
else if ( ImpGetAlign() == TxtAlign::Right )
aTmpLine.SetStartX( static_cast<short>(mnMaxTextWidth) );
else
aTmpLine.SetStartX( mpDoc->GetLeftMargin() );
bool bLineBreak = !pNode->GetText().isEmpty();
TETextPortion aDummyPortion( 0 );
aDummyPortion.GetWidth() = 0;
pTEParaPortion->GetTextPortions().push_back( aDummyPortion );
if ( bLineBreak )
{
// -2: The new one is already inserted.
const std::size_t nPos = pTEParaPortion->GetTextPortions().size() - 1;
aTmpLine.SetStartPortion( nPos );
aTmpLine.SetEndPortion( nPos );
}
pTEParaPortion->GetLines().push_back( aTmpLine );
}
void TextEngine::ImpBreakLine( sal_uInt32 nPara, TextLine* pLine, sal_Int32 nPortionStart, tools::Long nRemainingWidth )
{
TextNode* pNode = mpDoc->GetNodes()[ nPara ].get();
// Font still should be adjusted
sal_Int32 nMaxBreakPos = mpRefDev->GetTextBreak( pNode->GetText(), nRemainingWidth, nPortionStart );
SAL_WARN_IF( nMaxBreakPos >= pNode->GetText().getLength(), "vcl", "ImpBreakLine: Break?!" );
if ( nMaxBreakPos == -1 ) // GetTextBreak() != GetTextSize()
nMaxBreakPos = pNode->GetText().getLength() - 1;
uno::Reference < i18n::XBreakIterator > xBI = GetBreakIterator();
i18n::LineBreakHyphenationOptions aHyphOptions( nullptr, uno::Sequence< beans::PropertyValue >(), 1 );
i18n::LineBreakUserOptions aUserOptions;
aUserOptions.forbiddenBeginCharacters = ImpGetLocaleDataWrapper()->getForbiddenCharacters().beginLine;
aUserOptions.forbiddenEndCharacters = ImpGetLocaleDataWrapper()->getForbiddenCharacters().endLine;
aUserOptions.applyForbiddenRules = true;
aUserOptions.allowPunctuationOutsideMargin = false;
aUserOptions.allowHyphenateEnglish = false;
static const css::lang::Locale aDefLocale;
i18n::LineBreakResults aLBR = xBI->getLineBreak( pNode->GetText(), nMaxBreakPos, aDefLocale, pLine->GetStart(), aHyphOptions, aUserOptions );
sal_Int32 nBreakPos = aLBR.breakIndex;
if ( nBreakPos <= pLine->GetStart() )
{
nBreakPos = nMaxBreakPos;
if ( nBreakPos <= pLine->GetStart() )
nBreakPos = pLine->GetStart() + 1; // infinite loop otherwise!
}
// the damaged Portion is the End Portion
pLine->SetEnd( nBreakPos );
const std::size_t nEndPortion = SplitTextPortion( nPara, nBreakPos );
if ( nBreakPos >= pLine->GetStart() &&
nBreakPos < pNode->GetText().getLength() &&
pNode->GetText()[ nBreakPos ] == ' ' )
{
// generally suppress blanks at the end of line
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
TETextPortion& rTP = pTEParaPortion->GetTextPortions()[ nEndPortion ];
SAL_WARN_IF( nBreakPos <= pLine->GetStart(), "vcl", "ImpBreakLine: SplitTextPortion at beginning of line?" );
rTP.GetWidth() = CalcTextWidth( nPara, nBreakPos-rTP.GetLen(), rTP.GetLen()-1 );
}
pLine->SetEndPortion( nEndPortion );
}
std::size_t TextEngine::SplitTextPortion( sal_uInt32 nPara, sal_Int32 nPos )
{
// the Portion at nPos is being split, unless there is already a switch at nPos
if ( nPos == 0 )
return 0;
std::size_t nSplitPortion;
sal_Int32 nTmpPos = 0;
TETextPortion* pTextPortion = nullptr;
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
const std::size_t nPortions = pTEParaPortion->GetTextPortions().size();
for ( nSplitPortion = 0; nSplitPortion < nPortions; nSplitPortion++ )
{
TETextPortion& rTP = pTEParaPortion->GetTextPortions()[nSplitPortion];
nTmpPos += rTP.GetLen();
if ( nTmpPos >= nPos )
{
if ( nTmpPos == nPos ) // nothing needs splitting
return nSplitPortion;
pTextPortion = &rTP;
break;
}
}
assert(pTextPortion && "SplitTextPortion: position outside of region!");
const sal_Int32 nOverlapp = nTmpPos - nPos;
pTextPortion->GetLen() -= nOverlapp;
pTextPortion->GetWidth() = CalcTextWidth( nPara, nPos-pTextPortion->GetLen(), pTextPortion->GetLen() );
TETextPortion aNewPortion( nOverlapp );
pTEParaPortion->GetTextPortions().insert( pTEParaPortion->GetTextPortions().begin() + nSplitPortion + 1, aNewPortion );
return nSplitPortion;
}
void TextEngine::CreateTextPortions( sal_uInt32 nPara, sal_Int32 nStartPos )
{
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
TextNode* pNode = pTEParaPortion->GetNode();
SAL_WARN_IF( pNode->GetText().isEmpty(), "vcl", "CreateTextPortions: should not be used for empty paragraphs!" );
o3tl::sorted_vector<sal_Int32> aPositions;
o3tl::sorted_vector<sal_Int32>::const_iterator aPositionsIt;
aPositions.insert(0);
const sal_uInt16 nAttribs = pNode->GetCharAttribs().Count();
for ( sal_uInt16 nAttr = 0; nAttr < nAttribs; nAttr++ )
{
TextCharAttrib& rAttrib = pNode->GetCharAttribs().GetAttrib( nAttr );
aPositions.insert( rAttrib.GetStart() );
aPositions.insert( rAttrib.GetEnd() );
}
aPositions.insert( pNode->GetText().getLength() );
const std::vector<TEWritingDirectionInfo>& rWritingDirections = pTEParaPortion->GetWritingDirectionInfos();
for ( const auto& rWritingDirection : rWritingDirections )
aPositions.insert( rWritingDirection.nStartPos );
if ( mpIMEInfos && mpIMEInfos->pAttribs && ( mpIMEInfos->aPos.GetPara() == nPara ) )
{
ExtTextInputAttr nLastAttr = ExtTextInputAttr(0xffff);
for( sal_Int32 n = 0; n < mpIMEInfos->nLen; n++ )
{
if ( mpIMEInfos->pAttribs[n] != nLastAttr )
{
aPositions.insert( mpIMEInfos->aPos.GetIndex() + n );
nLastAttr = mpIMEInfos->pAttribs[n];
}
}
}
sal_Int32 nTabPos = pNode->GetText().indexOf( '\t' );
while ( nTabPos != -1 )
{
aPositions.insert( nTabPos );
aPositions.insert( nTabPos + 1 );
nTabPos = pNode->GetText().indexOf( '\t', nTabPos+1 );
}
// Delete starting with...
// Unfortunately, the number of TextPortions does not have to be
// equal to aPositions.Count(), because of linebreaks
sal_Int32 nPortionStart = 0;
std::size_t nInvPortion = 0;
std::size_t nP;
for ( nP = 0; nP < pTEParaPortion->GetTextPortions().size(); nP++ )
{
TETextPortion& rTmpPortion = pTEParaPortion->GetTextPortions()[nP];
nPortionStart += rTmpPortion.GetLen();
if ( nPortionStart >= nStartPos )
{
nPortionStart -= rTmpPortion.GetLen();
nInvPortion = nP;
break;
}
}
OSL_ENSURE(nP < pTEParaPortion->GetTextPortions().size()
|| pTEParaPortion->GetTextPortions().empty(),
"CreateTextPortions: Nothing to delete!");
if ( nInvPortion && ( nPortionStart+pTEParaPortion->GetTextPortions()[nInvPortion].GetLen() > nStartPos ) )
{
// better one before...
// But only if it was within the Portion; otherwise it might be
// the only one in the previous line!
nInvPortion--;
nPortionStart -= pTEParaPortion->GetTextPortions()[nInvPortion].GetLen();
}
pTEParaPortion->GetTextPortions().DeleteFromPortion( nInvPortion );
// a Portion might have been created by a line break
aPositions.insert( nPortionStart );
aPositionsIt = aPositions.find( nPortionStart );
SAL_WARN_IF( aPositionsIt == aPositions.end(), "vcl", "CreateTextPortions: nPortionStart not found" );
if ( aPositionsIt != aPositions.end() )
{
o3tl::sorted_vector<sal_Int32>::const_iterator nextIt = aPositionsIt;
for ( ++nextIt; nextIt != aPositions.end(); ++aPositionsIt, ++nextIt )
{
TETextPortion aNew( *nextIt - *aPositionsIt );
pTEParaPortion->GetTextPortions().push_back( aNew );
}
}
OSL_ENSURE(pTEParaPortion->GetTextPortions().size(), "CreateTextPortions: No Portions?!");
}
void TextEngine::RecalcTextPortion( sal_uInt32 nPara, sal_Int32 nStartPos, sal_Int32 nNewChars )
{
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
OSL_ENSURE(pTEParaPortion->GetTextPortions().size(), "RecalcTextPortion: no Portions!");
OSL_ENSURE(nNewChars, "RecalcTextPortion: Diff == 0");
TextNode* const pNode = pTEParaPortion->GetNode();
if ( nNewChars > 0 )
{
// If an Attribute is starting/ending at nStartPos, or there is a tab
// before nStartPos => a new Portion starts.
// Otherwise the Portion is extended at nStartPos.
// Or if at the very beginning ( StartPos 0 ) followed by a tab...
if ( ( pNode->GetCharAttribs().HasBoundingAttrib( nStartPos ) ) ||
( nStartPos && ( pNode->GetText()[ nStartPos - 1 ] == '\t' ) ) ||
( !nStartPos && ( nNewChars < pNode->GetText().getLength() ) && pNode->GetText()[ nNewChars ] == '\t' ) )
{
std::size_t nNewPortionPos = 0;
if ( nStartPos )
nNewPortionPos = SplitTextPortion( nPara, nStartPos ) + 1;
// Here could be an empty Portion if the paragraph was empty,
// or a new line was created by a hard line-break.
if ( ( nNewPortionPos < pTEParaPortion->GetTextPortions().size() ) &&
!pTEParaPortion->GetTextPortions()[nNewPortionPos].GetLen() )
{
// use the empty Portion
pTEParaPortion->GetTextPortions()[nNewPortionPos].GetLen() = nNewChars;
}
else
{
TETextPortion aNewPortion( nNewChars );
pTEParaPortion->GetTextPortions().insert( pTEParaPortion->GetTextPortions().begin() + nNewPortionPos, aNewPortion );
}
}
else
{
sal_Int32 nPortionStart {0};
const std::size_t nTP = pTEParaPortion->GetTextPortions().FindPortion( nStartPos, nPortionStart );
TETextPortion& rTP = pTEParaPortion->GetTextPortions()[ nTP ];
rTP.GetLen() += nNewChars;
rTP.GetWidth() = -1;
}
}
else
{
// Shrink or remove Portion
// Before calling this function, ensure that no Portions were in the deleted range!
// There must be no Portion reaching into or starting within,
// thus: nStartPos <= nPos <= nStartPos - nNewChars(neg.)
std::size_t nPortion = 0;
sal_Int32 nPos = 0;
const sal_Int32 nEnd = nStartPos-nNewChars;
const std::size_t nPortions = pTEParaPortion->GetTextPortions().size();
TETextPortion* pTP = nullptr;
for ( nPortion = 0; nPortion < nPortions; nPortion++ )
{
pTP = &pTEParaPortion->GetTextPortions()[ nPortion ];
if ( ( nPos+pTP->GetLen() ) > nStartPos )
{
SAL_WARN_IF( nPos > nStartPos, "vcl", "RecalcTextPortion: Bad Start!" );
SAL_WARN_IF( nPos+pTP->GetLen() < nEnd, "vcl", "RecalcTextPortion: Bad End!" );
break;
}
nPos += pTP->GetLen();
}
SAL_WARN_IF( !pTP, "vcl", "RecalcTextPortion: Portion not found!" );
if ( ( nPos == nStartPos ) && ( (nPos+pTP->GetLen()) == nEnd ) )
{
// remove Portion
pTEParaPortion->GetTextPortions().erase( pTEParaPortion->GetTextPortions().begin() + nPortion );
}
else
{
SAL_WARN_IF( pTP->GetLen() <= (-nNewChars), "vcl", "RecalcTextPortion: Portion too small to shrink!" );
pTP->GetLen() += nNewChars;
}
OSL_ENSURE( pTEParaPortion->GetTextPortions().size(),
"RecalcTextPortion: none are left!" );
}
}
void TextEngine::ImpPaint( OutputDevice* pOutDev, const Point& rStartPos, tools::Rectangle const* pPaintArea, TextSelection const* pSelection )
{
if ( !GetUpdateMode() )
return;
if ( !IsFormatted() )
FormatDoc();
vcl::Window* const pOutWin = pOutDev->GetOwnerWindow();
const bool bTransparent = (pOutWin && pOutWin->IsPaintTransparent());
tools::Long nY = rStartPos.Y();
TextPaM const* pSelStart = nullptr;
TextPaM const* pSelEnd = nullptr;
if ( pSelection && pSelection->HasRange() )
{
const bool bInvers = pSelection->GetEnd() < pSelection->GetStart();
pSelStart = !bInvers ? &pSelection->GetStart() : &pSelection->GetEnd();
pSelEnd = bInvers ? &pSelection->GetStart() : &pSelection->GetEnd();
}
const StyleSettings& rStyleSettings = pOutDev->GetSettings().GetStyleSettings();
// for all paragraphs
for ( sal_uInt32 nPara = 0; nPara < mpTEParaPortions->Count(); ++nPara )
{
TEParaPortion* pPortion = mpTEParaPortions->GetObject( nPara );
// in case while typing Idle-Formatting, asynchronous Paint
if ( pPortion->IsInvalid() )
return;
const tools::Long nParaHeight = CalcParaHeight( nPara );
if ( !pPaintArea || ( ( nY + nParaHeight ) > pPaintArea->Top() ) )
{
// for all lines of the paragraph
sal_Int32 nIndex = 0;
for ( auto & rLine : pPortion->GetLines() )
{
Point aTmpPos( rStartPos.X() + rLine.GetStartX(), nY );
if ( !pPaintArea || ( ( nY + mnCharHeight ) > pPaintArea->Top() ) )
{
// for all Portions of the line
nIndex = rLine.GetStart();
for ( std::size_t y = rLine.GetStartPortion(); y <= rLine.GetEndPortion(); y++ )
{
OSL_ENSURE(pPortion->GetTextPortions().size(),
"ImpPaint: Line without Textportion!");
TETextPortion& rTextPortion = pPortion->GetTextPortions()[ y ];
ImpInitLayoutMode( pOutDev /*, pTextPortion->IsRightToLeft() */);
const tools::Long nTxtWidth = rTextPortion.GetWidth();
aTmpPos.setX( rStartPos.X() + ImpGetOutputOffset( nPara, &rLine, nIndex, nIndex ) );
// only print if starting in the visible region
if ( ( aTmpPos.X() + nTxtWidth ) >= 0 )
{
switch ( rTextPortion.GetKind() )
{
case PORTIONKIND_TEXT:
{
vcl::Font aFont;
SeekCursor( nPara, nIndex+1, aFont, pOutDev );
if( bTransparent )
aFont.SetTransparent( true );
else if ( pSelection )
aFont.SetTransparent( false );
pOutDev->SetFont( aFont );
sal_Int32 nTmpIndex = nIndex;
sal_Int32 nEnd = nTmpIndex + rTextPortion.GetLen();
Point aPos = aTmpPos;
bool bDone = false;
if ( pSelStart )
{
// is a part of it in the selection?
const TextPaM aTextStart( nPara, nTmpIndex );
const TextPaM aTextEnd( nPara, nEnd );
if ( ( aTextStart < *pSelEnd ) && ( aTextEnd > *pSelStart ) )
{
// 1) vcl::Region before Selection
if ( aTextStart < *pSelStart )
{
const sal_Int32 nL = pSelStart->GetIndex() - nTmpIndex;
pOutDev->SetFont( aFont);
pOutDev->SetTextFillColor();
aPos.setX( rStartPos.X() + ImpGetOutputOffset( nPara, &rLine, nTmpIndex, nTmpIndex+nL ) );
pOutDev->DrawText( aPos, pPortion->GetNode()->GetText(), nTmpIndex, nL );
nTmpIndex = nTmpIndex + nL;
}
// 2) vcl::Region with Selection
sal_Int32 nL = nEnd - nTmpIndex;
if ( aTextEnd > *pSelEnd )
nL = pSelEnd->GetIndex() - nTmpIndex;
if ( nL )
{
const Color aOldTextColor = pOutDev->GetTextColor();
pOutDev->SetTextColor( rStyleSettings.GetHighlightTextColor() );
pOutDev->SetTextFillColor( rStyleSettings.GetHighlightColor() );
aPos.setX( rStartPos.X() + ImpGetOutputOffset( nPara, &rLine, nTmpIndex, nTmpIndex+nL ) );
pOutDev->DrawText( aPos, pPortion->GetNode()->GetText(), nTmpIndex, nL );
pOutDev->SetTextColor( aOldTextColor );
pOutDev->SetTextFillColor();
nTmpIndex = nTmpIndex + nL;
}
// 3) vcl::Region after Selection
if ( nTmpIndex < nEnd )
{
nL = nEnd-nTmpIndex;
pOutDev->SetTextFillColor();
aPos.setX( rStartPos.X() + ImpGetOutputOffset( nPara, &rLine, nTmpIndex, nTmpIndex+nL ) );
pOutDev->DrawText( aPos, pPortion->GetNode()->GetText(), nTmpIndex, nEnd-nTmpIndex );
}
bDone = true;
}
}
if ( !bDone )
{
pOutDev->SetTextFillColor();
aPos.setX( rStartPos.X() + ImpGetOutputOffset( nPara, &rLine, nTmpIndex, nEnd ) );
pOutDev->DrawText( aPos, pPortion->GetNode()->GetText(), nTmpIndex, nEnd-nTmpIndex );
}
}
break;
case PORTIONKIND_TAB:
// for HideSelection() only Range, pSelection = 0.
if ( pSelStart ) // also implies pSelEnd
{
const tools::Rectangle aTabArea( aTmpPos, Point( aTmpPos.X()+nTxtWidth, aTmpPos.Y()+mnCharHeight-1 ) );
// is the Tab in the Selection???
const TextPaM aTextStart(nPara, nIndex);
const TextPaM aTextEnd(nPara, nIndex + 1);
if ((aTextStart < *pSelEnd) && (aTextEnd > *pSelStart))
{
const Color aOldColor = pOutDev->GetFillColor();
pOutDev->SetFillColor(
rStyleSettings.GetHighlightColor());
pOutDev->DrawRect(aTabArea);
pOutDev->SetFillColor(aOldColor);
}
else
{
pOutDev->Erase( aTabArea );
}
}
break;
default:
OSL_FAIL( "ImpPaint: Unknown Portion-Type !" );
}
}
nIndex += rTextPortion.GetLen();
}
}
nY += mnCharHeight;
if ( pPaintArea && ( nY >= pPaintArea->Bottom() ) )
break; // no more visible actions
}
}
else
{
nY += nParaHeight;
}
if ( pPaintArea && ( nY > pPaintArea->Bottom() ) )
break; // no more visible actions
}
}
bool TextEngine::CreateLines( sal_uInt32 nPara )
{
// bool: changing Height of Paragraph Yes/No - true/false
TextNode* pNode = mpDoc->GetNodes()[ nPara ].get();
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
SAL_WARN_IF( !pTEParaPortion->IsInvalid(), "vcl", "CreateLines: Portion not invalid!" );
const auto nOldLineCount = pTEParaPortion->GetLines().size();
// fast special case for empty paragraphs
if ( pTEParaPortion->GetNode()->GetText().isEmpty() )
{
if ( !pTEParaPortion->GetTextPortions().empty() )
pTEParaPortion->GetTextPortions().Reset();
pTEParaPortion->GetLines().clear();
CreateAndInsertEmptyLine( nPara );
pTEParaPortion->SetValid();
return nOldLineCount != pTEParaPortion->GetLines().size();
}
// initialization
if ( pTEParaPortion->GetLines().empty() )
{
pTEParaPortion->GetLines().emplace_back( );
}
const sal_Int32 nInvalidDiff = pTEParaPortion->GetInvalidDiff();
const sal_Int32 nInvalidStart = pTEParaPortion->GetInvalidPosStart();
const sal_Int32 nInvalidEnd = nInvalidStart + std::abs( nInvalidDiff );
bool bQuickFormat = false;
if ( pTEParaPortion->GetWritingDirectionInfos().empty() )
ImpInitWritingDirections( nPara );
if ( pTEParaPortion->GetWritingDirectionInfos().size() == 1 && pTEParaPortion->IsSimpleInvalid() )
{
bQuickFormat = nInvalidDiff != 0;
if ( nInvalidDiff < 0 )
{
// check if deleting across Portion border
sal_Int32 nPos = 0;
for ( const auto & rTP : pTEParaPortion->GetTextPortions() )
{
// there must be no Start/End in the deleted region
nPos += rTP.GetLen();
if ( nPos > nInvalidStart && nPos < nInvalidEnd )
{
bQuickFormat = false;
break;
}
}
}
}
if ( bQuickFormat )
RecalcTextPortion( nPara, nInvalidStart, nInvalidDiff );
else
CreateTextPortions( nPara, nInvalidStart );
// search for line with InvalidPos; start a line prior
// flag lines => do not remove!
sal_uInt16 nLine = pTEParaPortion->GetLines().size()-1;
for ( sal_uInt16 nL = 0; nL <= nLine; nL++ )
{
TextLine& rLine = pTEParaPortion->GetLines()[ nL ];
if ( rLine.GetEnd() > nInvalidStart )
{
nLine = nL;
break;
}
rLine.SetValid();
}
// start a line before...
// if typing at the end, the line before cannot change
if ( nLine && ( !pTEParaPortion->IsSimpleInvalid() || ( nInvalidEnd < pNode->GetText().getLength() ) || ( nInvalidDiff <= 0 ) ) )
nLine--;
TextLine* pLine = &( pTEParaPortion->GetLines()[ nLine ] );
// format all lines starting here
std::size_t nDelFromLine = TETextPortionList::npos;
sal_Int32 nIndex = pLine->GetStart();
TextLine aSaveLine( *pLine );
while ( nIndex < pNode->GetText().getLength() )
{
bool bEOL = false;
sal_Int32 nPortionStart = 0;
sal_Int32 nPortionEnd = 0;
sal_Int32 nTmpPos = nIndex;
std::size_t nTmpPortion = pLine->GetStartPortion();
tools::Long nTmpWidth = mpDoc->GetLeftMargin();
// do not subtract margin; it is included in TmpWidth
tools::Long nXWidth = std::max(
mnMaxTextWidth ? mnMaxTextWidth : std::numeric_limits<tools::Long>::max(), nTmpWidth);
// search for Portion that does not fit anymore into line
TETextPortion* pPortion = nullptr;
bool bBrokenLine = false;
while ( ( nTmpWidth <= nXWidth ) && !bEOL && ( nTmpPortion < pTEParaPortion->GetTextPortions().size() ) )
{
nPortionStart = nTmpPos;
pPortion = &pTEParaPortion->GetTextPortions()[ nTmpPortion ];
SAL_WARN_IF( !pPortion->GetLen(), "vcl", "CreateLines: Empty Portion!" );
if ( pNode->GetText()[ nTmpPos ] == '\t' )
{
tools::Long nCurPos = nTmpWidth-mpDoc->GetLeftMargin();
nTmpWidth = ((nCurPos/mnDefTab)+1)*mnDefTab+mpDoc->GetLeftMargin();
pPortion->GetWidth() = nTmpWidth - nCurPos - mpDoc->GetLeftMargin();
// infinite loop, if this is the first token of the line and nTmpWidth > aPaperSize.Width !!!
if ( ( nTmpWidth >= nXWidth ) && ( nTmpPortion == pLine->GetStartPortion() ) )
{
// adjust Tab
pPortion->GetWidth() = nXWidth-1;
nTmpWidth = pPortion->GetWidth();
bEOL = true;
bBrokenLine = true;
}
pPortion->GetKind() = PORTIONKIND_TAB;
}
else
{
pPortion->GetWidth() = CalcTextWidth( nPara, nTmpPos, pPortion->GetLen() );
nTmpWidth += pPortion->GetWidth();
pPortion->SetRightToLeft( ImpGetRightToLeft( nPara, nTmpPos+1 ) );
pPortion->GetKind() = PORTIONKIND_TEXT;
}
nTmpPos += pPortion->GetLen();
nPortionEnd = nTmpPos;
nTmpPortion++;
}
// this was perhaps one Portion too far
bool bFixedEnd = false;
if ( nTmpWidth > nXWidth )
{
assert(pPortion);
nPortionEnd = nTmpPos;
nTmpPos -= pPortion->GetLen();
nPortionStart = nTmpPos;
nTmpPortion--;
bEOL = false;
nTmpWidth -= pPortion->GetWidth();
if ( pPortion->GetKind() == PORTIONKIND_TAB )
{
bEOL = true;
bFixedEnd = true;
}
}
else
{
bEOL = true;
pLine->SetEnd( nPortionEnd );
OSL_ENSURE(pTEParaPortion->GetTextPortions().size(),
"CreateLines: No TextPortions?");
pLine->SetEndPortion( pTEParaPortion->GetTextPortions().size() - 1 );
}
if ( bFixedEnd )
{
pLine->SetEnd( nPortionStart );
pLine->SetEndPortion( nTmpPortion-1 );
}
else if ( bBrokenLine )
{
pLine->SetEnd( nPortionStart+1 );
pLine->SetEndPortion( nTmpPortion-1 );
}
else if ( !bEOL )
{
SAL_WARN_IF( (nPortionEnd-nPortionStart) != pPortion->GetLen(), "vcl", "CreateLines: There is a Portion after all?!" );
const tools::Long nRemainingWidth = mnMaxTextWidth - nTmpWidth;
ImpBreakLine( nPara, pLine, nPortionStart, nRemainingWidth );
}
if ( ( ImpGetAlign() == TxtAlign::Center ) || ( ImpGetAlign() == TxtAlign::Right ) )
{
// adjust
tools::Long nTextWidth = 0;
for ( std::size_t nTP = pLine->GetStartPortion(); nTP <= pLine->GetEndPortion(); nTP++ )
{
TETextPortion& rTextPortion = pTEParaPortion->GetTextPortions()[ nTP ];
nTextWidth += rTextPortion.GetWidth();
}
const tools::Long nSpace = mnMaxTextWidth - nTextWidth;
if ( nSpace > 0 )
{
if ( ImpGetAlign() == TxtAlign::Center )
pLine->SetStartX( static_cast<sal_uInt16>(nSpace / 2) );
else // TxtAlign::Right
pLine->SetStartX( static_cast<sal_uInt16>(nSpace) );
}
}
else
{
pLine->SetStartX( mpDoc->GetLeftMargin() );
}
// check if the line has to be printed again
pLine->SetInvalid();
if ( pTEParaPortion->IsSimpleInvalid() )
{
// Change due to simple TextChange...
// Do not abort formatting, as Portions might have to be split!
// Once it is ok to abort, then validate the following lines!
// But mark as valid, thus reduce printing...
if ( pLine->GetEnd() < nInvalidStart )
{
if ( *pLine == aSaveLine )
{
pLine->SetValid();
}
}
else
{
const sal_Int32 nStart = pLine->GetStart();
const sal_Int32 nEnd = pLine->GetEnd();
if ( nStart > nInvalidEnd )
{
if ( ( ( nStart-nInvalidDiff ) == aSaveLine.GetStart() ) &&
( ( nEnd-nInvalidDiff ) == aSaveLine.GetEnd() ) )
{
pLine->SetValid();
if ( bQuickFormat )
{
pTEParaPortion->CorrectValuesBehindLastFormattedLine( nLine );
break;
}
}
}
else if ( bQuickFormat && ( nEnd > nInvalidEnd) )
{
// If the invalid line ends such that the next line starts
// at the 'same' position as before (no change in line breaks),
// the text width does not have to be recalculated.
if ( nEnd == ( aSaveLine.GetEnd() + nInvalidDiff ) )
{
pTEParaPortion->CorrectValuesBehindLastFormattedLine( nLine );
break;
}
}
}
}
nIndex = pLine->GetEnd(); // next line Start = previous line End
// because nEnd is past the last char!
const std::size_t nEndPortion = pLine->GetEndPortion();
// next line or new line
pLine = nullptr;
if ( nLine < pTEParaPortion->GetLines().size()-1 )
pLine = &( pTEParaPortion->GetLines()[ ++nLine ] );
if ( pLine && ( nIndex >= pNode->GetText().getLength() ) )
{
nDelFromLine = nLine;
break;
}
if ( !pLine )
{
if ( nIndex < pNode->GetText().getLength() )
{
++nLine;
pTEParaPortion->GetLines().insert( pTEParaPortion->GetLines().begin() + nLine, TextLine() );
pLine = &pTEParaPortion->GetLines()[nLine];
}
else
{
break;
}
}
aSaveLine = *pLine;
pLine->SetStart( nIndex );
pLine->SetEnd( nIndex );
pLine->SetStartPortion( nEndPortion+1 );
pLine->SetEndPortion( nEndPortion+1 );
} // while ( Index < Len )
if (nDelFromLine != TETextPortionList::npos)
{
pTEParaPortion->GetLines().erase( pTEParaPortion->GetLines().begin() + nDelFromLine,
pTEParaPortion->GetLines().end() );
}
SAL_WARN_IF( pTEParaPortion->GetLines().empty(), "vcl", "CreateLines: No Line!" );
pTEParaPortion->SetValid();
return nOldLineCount != pTEParaPortion->GetLines().size();
}
OUString TextEngine::GetWord( const TextPaM& rCursorPos, TextPaM* pStartOfWord, TextPaM* pEndOfWord )
{
OUString aWord;
if ( rCursorPos.GetPara() < mpDoc->GetNodes().size() )
{
TextSelection aSel( rCursorPos );
TextNode* pNode = mpDoc->GetNodes()[ rCursorPos.GetPara() ].get();
uno::Reference < i18n::XBreakIterator > xBI = GetBreakIterator();
i18n::Boundary aBoundary = xBI->getWordBoundary( pNode->GetText(), rCursorPos.GetIndex(), GetLocale(), i18n::WordType::ANYWORD_IGNOREWHITESPACES, true );
// tdf#57879 - expand selection to the left to include connector punctuations and search for additional word boundaries
if (aBoundary.startPos > 0 && aBoundary.startPos < pNode->GetText().getLength() && u_charType(pNode->GetText()[aBoundary.startPos]) == U_CONNECTOR_PUNCTUATION)
{
aBoundary.startPos = xBI->getWordBoundary(pNode->GetText(), aBoundary.startPos - 1,
GetLocale(), css::i18n::WordType::ANYWORD_IGNOREWHITESPACES, true).startPos;
}
while (aBoundary.startPos > 0 && u_charType(pNode->GetText()[aBoundary.startPos - 1]) == U_CONNECTOR_PUNCTUATION)
{
aBoundary.startPos = std::min(aBoundary.startPos,
xBI->getWordBoundary( pNode->GetText(), aBoundary.startPos - 2,
GetLocale(), css::i18n::WordType::ANYWORD_IGNOREWHITESPACES, true).startPos);
}
// tdf#57879 - expand selection to the right to include connector punctuations and search for additional word boundaries
if (aBoundary.endPos > 0 && aBoundary.endPos < pNode->GetText().getLength() && u_charType(pNode->GetText()[aBoundary.endPos - 1]) == U_CONNECTOR_PUNCTUATION)
{
aBoundary.endPos = xBI->getWordBoundary(pNode->GetText(), aBoundary.endPos,
GetLocale(), css::i18n::WordType::ANYWORD_IGNOREWHITESPACES, true).endPos;
}
while (aBoundary.endPos < pNode->GetText().getLength() && u_charType(pNode->GetText()[aBoundary.endPos]) == U_CONNECTOR_PUNCTUATION)
{
aBoundary.endPos = xBI->getWordBoundary(pNode->GetText(), aBoundary.endPos + 1,
GetLocale(), css::i18n::WordType::ANYWORD_IGNOREWHITESPACES, true).endPos;
}
aSel.GetStart().GetIndex() = aBoundary.startPos;
aSel.GetEnd().GetIndex() = aBoundary.endPos;
aWord = pNode->GetText().copy( aSel.GetStart().GetIndex(), aSel.GetEnd().GetIndex() - aSel.GetStart().GetIndex() );
if ( pStartOfWord )
*pStartOfWord = aSel.GetStart();
if (pEndOfWord)
*pEndOfWord = aSel.GetEnd();
}
return aWord;
}
bool TextEngine::Read( SvStream& rInput, const TextSelection* pSel )
{
const bool bUpdate = GetUpdateMode();
SetUpdateMode( false );
UndoActionStart();
TextSelection aSel;
if ( pSel )
aSel = *pSel;
else
{
const sal_uInt32 nParas = static_cast<sal_uInt32>(mpDoc->GetNodes().size());
TextNode* pNode = mpDoc->GetNodes()[ nParas - 1 ].get();
aSel = TextPaM( nParas-1 , pNode->GetText().getLength() );
}
if ( aSel.HasRange() )
aSel = ImpDeleteText( aSel );
OStringBuffer aLine;
bool bDone = rInput.ReadLine( aLine );
OUString aTmpStr(OStringToOUString(aLine, rInput.GetStreamCharSet()));
while ( bDone )
{
aSel = ImpInsertText( aSel, aTmpStr );
bDone = rInput.ReadLine( aLine );
aTmpStr = OStringToOUString(aLine, rInput.GetStreamCharSet());
if ( bDone )
aSel = ImpInsertParaBreak( aSel.GetEnd() );
}
UndoActionEnd();
const TextSelection aNewSel( aSel.GetEnd(), aSel.GetEnd() );
// so that FormatAndUpdate does not access the invalid selection
if ( GetActiveView() )
GetActiveView()->ImpSetSelection( aNewSel );
SetUpdateMode( bUpdate );
FormatAndUpdate( GetActiveView() );
return rInput.GetError() == ERRCODE_NONE;
}
void TextEngine::Write( SvStream& rOutput )
{
TextSelection aSel;
const sal_uInt32 nParas = static_cast<sal_uInt32>(mpDoc->GetNodes().size());
TextNode* pSelNode = mpDoc->GetNodes()[ nParas - 1 ].get();
aSel.GetStart() = TextPaM( 0, 0 );
aSel.GetEnd() = TextPaM( nParas-1, pSelNode->GetText().getLength() );
for ( sal_uInt32 nPara = aSel.GetStart().GetPara(); nPara <= aSel.GetEnd().GetPara(); ++nPara )
{
TextNode* pNode = mpDoc->GetNodes()[ nPara ].get();
const sal_Int32 nStartPos = nPara == aSel.GetStart().GetPara()
? aSel.GetStart().GetIndex() : 0;
const sal_Int32 nEndPos = nPara == aSel.GetEnd().GetPara()
? aSel.GetEnd().GetIndex() : pNode->GetText().getLength();
const OUString aText = pNode->GetText().copy( nStartPos, nEndPos-nStartPos );
rOutput.WriteLine(OUStringToOString(aText, rOutput.GetStreamCharSet()));
}
}
void TextEngine::RemoveAttribs( sal_uInt32 nPara )
{
if ( nPara >= mpDoc->GetNodes().size() )
return;
TextNode* pNode = mpDoc->GetNodes()[ nPara ].get();
if ( pNode->GetCharAttribs().Count() )
{
pNode->GetCharAttribs().Clear();
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
pTEParaPortion->MarkSelectionInvalid( 0 );
mbFormatted = false;
IdleFormatAndUpdate( nullptr, 0xFFFF );
}
}
void TextEngine::SetAttrib( const TextAttrib& rAttr, sal_uInt32 nPara, sal_Int32 nStart, sal_Int32 nEnd )
{
// For now do not check if Attributes overlap!
// This function is for TextEditors that want to _quickly_ generate the Syntax-Highlight
// As TextEngine is currently intended only for TextEditors, there is no Undo for Attributes!
if ( nPara >= mpDoc->GetNodes().size() )
return;
TextNode* pNode = mpDoc->GetNodes()[ nPara ].get();
TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
const sal_Int32 nMax = pNode->GetText().getLength();
if ( nStart > nMax )
nStart = nMax;
if ( nEnd > nMax )
nEnd = nMax;
pNode->GetCharAttribs().InsertAttrib( std::make_unique<TextCharAttrib>( rAttr, nStart, nEnd ) );
pTEParaPortion->MarkSelectionInvalid( nStart );
mbFormatted = false;
IdleFormatAndUpdate( nullptr, 0xFFFF );
}
void TextEngine::SetTextAlign( TxtAlign eAlign )
{
if ( eAlign != meAlign )
{
meAlign = eAlign;
FormatFullDoc();
UpdateViews();
}
}
void TextEngine::ValidateSelection( TextSelection& rSel ) const
{
ValidatePaM( rSel.GetStart() );
ValidatePaM( rSel.GetEnd() );
}
void TextEngine::ValidatePaM( TextPaM& rPaM ) const
{
const sal_uInt32 nParas = static_cast<sal_uInt32>(mpDoc->GetNodes().size());
if ( rPaM.GetPara() >= nParas )
{
rPaM.GetPara() = nParas ? nParas-1 : 0;
rPaM.GetIndex() = TEXT_INDEX_ALL;
}
const sal_Int32 nMaxIndex = GetTextLen( rPaM.GetPara() );
if ( rPaM.GetIndex() > nMaxIndex )
rPaM.GetIndex() = nMaxIndex;
}
// adjust State & Selection
void TextEngine::ImpParagraphInserted( sal_uInt32 nPara )
{
// No adjustment needed for the active View;
// but for all passive Views the Selection needs adjusting.
if ( mpViews->size() > 1 )
{
for ( auto nView = mpViews->size(); nView; )
{
TextView* pView = (*mpViews)[ --nView ];
if ( pView != GetActiveView() )
{
for ( int n = 0; n <= 1; n++ )
{
TextPaM& rPaM = n ? pView->GetSelection().GetStart(): pView->GetSelection().GetEnd();
if ( rPaM.GetPara() >= nPara )
rPaM.GetPara()++;
}
}
}
}
Broadcast( TextHint( SfxHintId::TextParaInserted, nPara ) );
}
void TextEngine::ImpParagraphRemoved( sal_uInt32 nPara )
{
if ( mpViews->size() > 1 )
{
for ( auto nView = mpViews->size(); nView; )
{
TextView* pView = (*mpViews)[ --nView ];
if ( pView != GetActiveView() )
{
const sal_uInt32 nParas = static_cast<sal_uInt32>(mpDoc->GetNodes().size());
for ( int n = 0; n <= 1; n++ )
{
TextPaM& rPaM = n ? pView->GetSelection().GetStart(): pView->GetSelection().GetEnd();
if ( rPaM.GetPara() > nPara )
rPaM.GetPara()--;
else if ( rPaM.GetPara() == nPara )
{
rPaM.GetIndex() = 0;
if ( rPaM.GetPara() >= nParas )
rPaM.GetPara()--;
}
}
}
}
}
Broadcast( TextHint( SfxHintId::TextParaRemoved, nPara ) );
}
void TextEngine::ImpCharsRemoved( sal_uInt32 nPara, sal_Int32 nPos, sal_Int32 nChars )
{
if ( mpViews->size() > 1 )
{
for ( auto nView = mpViews->size(); nView; )
{
TextView* pView = (*mpViews)[ --nView ];
if ( pView != GetActiveView() )
{
const sal_Int32 nEnd = nPos + nChars;
for ( int n = 0; n <= 1; n++ )
{
TextPaM& rPaM = n ? pView->GetSelection().GetStart(): pView->GetSelection().GetEnd();
if ( rPaM.GetPara() == nPara )
{
if ( rPaM.GetIndex() > nEnd )
rPaM.GetIndex() = rPaM.GetIndex() - nChars;
else if ( rPaM.GetIndex() > nPos )
rPaM.GetIndex() = nPos;
}
}
}
}
}
Broadcast( TextHint( SfxHintId::TextParaContentChanged, nPara ) );
}
void TextEngine::ImpCharsInserted( sal_uInt32 nPara, sal_Int32 nPos, sal_Int32 nChars )
{
if ( mpViews->size() > 1 )
{
for ( auto nView = mpViews->size(); nView; )
{
TextView* pView = (*mpViews)[ --nView ];
if ( pView != GetActiveView() )
{
for ( int n = 0; n <= 1; n++ )
{
TextPaM& rPaM = n ? pView->GetSelection().GetStart(): pView->GetSelection().GetEnd();
if ( rPaM.GetPara() == nPara )
{
if ( rPaM.GetIndex() >= nPos )
rPaM.GetIndex() += nChars;
}
}
}
}
}
Broadcast( TextHint( SfxHintId::TextParaContentChanged, nPara ) );
}
void TextEngine::Draw( OutputDevice* pDev, const Point& rPos )
{
ImpPaint( pDev, rPos, nullptr );
}
void TextEngine::SetLeftMargin( sal_uInt16 n )
{
mpDoc->SetLeftMargin( n );
}
uno::Reference< i18n::XBreakIterator > const & TextEngine::GetBreakIterator()
{
if ( !mxBreakIterator.is() )
mxBreakIterator = vcl::unohelper::CreateBreakIterator();
SAL_WARN_IF( !mxBreakIterator.is(), "vcl", "BreakIterator: Failed to create!" );
return mxBreakIterator;
}
void TextEngine::SetLocale( const css::lang::Locale& rLocale )
{
maLocale = rLocale;
mpLocaleDataWrapper.reset();
}
css::lang::Locale const & TextEngine::GetLocale()
{
if ( maLocale.Language.isEmpty() )
{
maLocale = Application::GetSettings().GetUILanguageTag().getLocale(); // TODO: why UI locale?
}
return maLocale;
}
LocaleDataWrapper* TextEngine::ImpGetLocaleDataWrapper()
{
if ( !mpLocaleDataWrapper )
mpLocaleDataWrapper.reset( new LocaleDataWrapper( LanguageTag( GetLocale()) ) );
return mpLocaleDataWrapper.get();
}
void TextEngine::SetRightToLeft( bool bR2L )
{
if ( mbRightToLeft != bR2L )
{
mbRightToLeft = bR2L;
meAlign = bR2L ? TxtAlign::Right : TxtAlign::Left;
FormatFullDoc();
UpdateViews();
}
}
void TextEngine::ImpInitWritingDirections( sal_uInt32 nPara )
{
TEParaPortion* pParaPortion = mpTEParaPortions->GetObject( nPara );
std::vector<TEWritingDirectionInfo>& rInfos = pParaPortion->GetWritingDirectionInfos();
rInfos.clear();
if ( !pParaPortion->GetNode()->GetText().isEmpty() )
{
const UBiDiLevel nBidiLevel = IsRightToLeft() ? 1 /*RTL*/ : 0 /*LTR*/;
OUString aText( pParaPortion->GetNode()->GetText() );
// Bidi functions from icu 2.0
UErrorCode nError = U_ZERO_ERROR;
UBiDi* pBidi = ubidi_openSized( aText.getLength(), 0, &nError );
nError = U_ZERO_ERROR;
ubidi_setPara( pBidi, reinterpret_cast<const UChar *>(aText.getStr()), aText.getLength(), nBidiLevel, nullptr, &nError );
nError = U_ZERO_ERROR;
tools::Long nCount = ubidi_countRuns( pBidi, &nError );
int32_t nStart = 0;
int32_t nEnd;
UBiDiLevel nCurrDir;
for ( tools::Long nIdx = 0; nIdx < nCount; ++nIdx )
{
ubidi_getLogicalRun( pBidi, nStart, &nEnd, &nCurrDir );
// bit 0 of nCurrDir indicates direction
rInfos.emplace_back( /*bLeftToRight*/ nCurrDir % 2 == 0, nStart, nEnd );
nStart = nEnd;
}
ubidi_close( pBidi );
}
// No infos mean no CTL and default dir is L2R...
if ( rInfos.empty() )
rInfos.emplace_back( 0, 0, pParaPortion->GetNode()->GetText().getLength() );
}
bool TextEngine::ImpGetRightToLeft( sal_uInt32 nPara, sal_Int32 nPos )
{
bool bRightToLeft = false;
TextNode* pNode = mpDoc->GetNodes()[ nPara ].get();
if ( pNode && !pNode->GetText().isEmpty() )
{
TEParaPortion* pParaPortion = mpTEParaPortions->GetObject( nPara );
if ( pParaPortion->GetWritingDirectionInfos().empty() )
ImpInitWritingDirections( nPara );
std::vector<TEWritingDirectionInfo>& rDirInfos = pParaPortion->GetWritingDirectionInfos();
for ( const auto& rWritingDirectionInfo : rDirInfos )
{
if ( rWritingDirectionInfo.nStartPos <= nPos && rWritingDirectionInfo.nEndPos >= nPos )
{
bRightToLeft = !rWritingDirectionInfo.bLeftToRight;
break;
}
}
}
return bRightToLeft;
}
tools::Long TextEngine::ImpGetPortionXOffset( sal_uInt32 nPara, TextLine const * pLine, std::size_t nTextPortion )
{
tools::Long nX = pLine->GetStartX();
TEParaPortion* pParaPortion = mpTEParaPortions->GetObject( nPara );
for ( std::size_t i = pLine->GetStartPortion(); i < nTextPortion; i++ )
{
TETextPortion& rPortion = pParaPortion->GetTextPortions()[ i ];
nX += rPortion.GetWidth();
}
TETextPortion& rDestPortion = pParaPortion->GetTextPortions()[ nTextPortion ];
if ( rDestPortion.GetKind() != PORTIONKIND_TAB )
{
if ( !IsRightToLeft() && rDestPortion.IsRightToLeft() )
{
// Portions behind must be added, visual before this portion
std::size_t nTmpPortion = nTextPortion+1;
while ( nTmpPortion <= pLine->GetEndPortion() )
{
TETextPortion& rNextTextPortion = pParaPortion->GetTextPortions()[ nTmpPortion ];
if ( rNextTextPortion.IsRightToLeft() && ( rNextTextPortion.GetKind() != PORTIONKIND_TAB ) )
nX += rNextTextPortion.GetWidth();
else
break;
nTmpPortion++;
}
// Portions before must be removed, visual behind this portion
nTmpPortion = nTextPortion;
while ( nTmpPortion > pLine->GetStartPortion() )
{
--nTmpPortion;
TETextPortion& rPrevTextPortion = pParaPortion->GetTextPortions()[ nTmpPortion ];
if ( rPrevTextPortion.IsRightToLeft() && ( rPrevTextPortion.GetKind() != PORTIONKIND_TAB ) )
nX -= rPrevTextPortion.GetWidth();
else
break;
}
}
else if ( IsRightToLeft() && !rDestPortion.IsRightToLeft() )
{
// Portions behind must be removed, visual behind this portion
std::size_t nTmpPortion = nTextPortion+1;
while ( nTmpPortion <= pLine->GetEndPortion() )
{
TETextPortion& rNextTextPortion = pParaPortion->GetTextPortions()[ nTmpPortion ];
if ( !rNextTextPortion.IsRightToLeft() && ( rNextTextPortion.GetKind() != PORTIONKIND_TAB ) )
nX += rNextTextPortion.GetWidth();
else
break;
nTmpPortion++;
}
// Portions before must be added, visual before this portion
nTmpPortion = nTextPortion;
while ( nTmpPortion > pLine->GetStartPortion() )
{
--nTmpPortion;
TETextPortion& rPrevTextPortion = pParaPortion->GetTextPortions()[ nTmpPortion ];
if ( !rPrevTextPortion.IsRightToLeft() && ( rPrevTextPortion.GetKind() != PORTIONKIND_TAB ) )
nX -= rPrevTextPortion.GetWidth();
else
break;
}
}
}
return nX;
}
void TextEngine::ImpInitLayoutMode( OutputDevice* pOutDev )
{
vcl::text::ComplexTextLayoutFlags nLayoutMode = pOutDev->GetLayoutMode();
nLayoutMode &= ~vcl::text::ComplexTextLayoutFlags(vcl::text::ComplexTextLayoutFlags::BiDiRtl | vcl::text::ComplexTextLayoutFlags::BiDiStrong );
pOutDev->SetLayoutMode( nLayoutMode );
}
TxtAlign TextEngine::ImpGetAlign() const
{
TxtAlign eAlign = meAlign;
if ( IsRightToLeft() )
{
if ( eAlign == TxtAlign::Left )
eAlign = TxtAlign::Right;
else if ( eAlign == TxtAlign::Right )
eAlign = TxtAlign::Left;
}
return eAlign;
}
tools::Long TextEngine::ImpGetOutputOffset( sal_uInt32 nPara, TextLine* pLine, sal_Int32 nIndex, sal_Int32 nIndex2 )
{
TEParaPortion* pPortion = mpTEParaPortions->GetObject( nPara );
sal_Int32 nPortionStart {0};
const std::size_t nPortion = pPortion->GetTextPortions().FindPortion( nIndex, nPortionStart, true );
TETextPortion& rTextPortion = pPortion->GetTextPortions()[ nPortion ];
tools::Long nX;
if ( ( nIndex == nPortionStart ) && ( nIndex == nIndex2 ) )
{
// Output of full portion, so we need portion x offset.
// Use ImpGetPortionXOffset, because GetXPos may deliver left or right position from portion, depending on R2L, L2R
nX = ImpGetPortionXOffset( nPara, pLine, nPortion );
if ( IsRightToLeft() )
{
nX = -nX - rTextPortion.GetWidth();
}
}
else
{
nX = ImpGetXPos( nPara, pLine, nIndex, nIndex == nPortionStart );
if ( nIndex2 != nIndex )
{
const tools::Long nX2 = ImpGetXPos( nPara, pLine, nIndex2 );
if ( ( !IsRightToLeft() && ( nX2 < nX ) ) ||
( IsRightToLeft() && ( nX2 > nX ) ) )
{
nX = nX2;
}
}
if ( IsRightToLeft() )
{
nX = -nX;
}
}
return nX;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */