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|
/* -*- 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 <string.h>
#include <vcl/window.hxx>
#include <wrtsh.hxx>
#include <doc.hxx>
#include <docary.hxx>
#include <charfmt.hxx>
#include <sfx2/bindings.hxx>
#include <sfx2/dispatch.hxx>
#include <sfx2/request.hxx>
#include <editeng/eeitem.hxx>
#include <editeng/editeng.hxx>
#include <editeng/editdata.hxx>
#include <editeng/outliner.hxx>
#include <editeng/editview.hxx>
#include <editeng/scripttypeitem.hxx>
#include <editeng/langitem.hxx>
#include <svl/languageoptions.hxx>
#include <svtools/langtab.hxx>
#include <svl/slstitm.hxx>
#include <svl/stritem.hxx>
#include <ndtxt.hxx>
#include <pam.hxx>
#include <view.hxx>
#include <viewopt.hxx>
#include <swabstdlg.hxx>
#include <vcl/msgbox.hxx>
#include <langhelper.hxx>
#include <memory>
using namespace ::com::sun::star;
namespace SwLangHelper
{
sal_uInt16 GetLanguageStatus( OutlinerView* pOLV, SfxItemSet& rSet )
{
ESelection aSelection = pOLV->GetSelection();
EditView& rEditView=pOLV->GetEditView();
EditEngine* pEditEngine=rEditView.GetEditEngine();
// the value of used script types
const SvtScriptType nScriptType =pOLV->GetSelectedScriptType();
OUString aScriptTypesInUse( OUString::number( static_cast<int>(nScriptType) ) );//pEditEngine->GetScriptType(aSelection)
// get keyboard language
OUString aKeyboardLang;
LanguageType nLang = LANGUAGE_DONTKNOW;
vcl::Window* pWin = rEditView.GetWindow();
if(pWin)
nLang = pWin->GetInputLanguage();
if (nLang != LANGUAGE_DONTKNOW && nLang != LANGUAGE_SYSTEM)
aKeyboardLang = SvtLanguageTable::GetLanguageString( nLang );
// get the language that is in use
OUString aCurrentLang("*");
SfxItemSet aSet(pOLV->GetAttribs());
nLang = SwLangHelper::GetCurrentLanguage( aSet,nScriptType );
if (nLang != LANGUAGE_DONTKNOW)
aCurrentLang = SvtLanguageTable::GetLanguageString( nLang );
// build sequence for status value
uno::Sequence< OUString > aSeq( 4 );
aSeq[0] = aCurrentLang;
aSeq[1] = aScriptTypesInUse;
aSeq[2] = aKeyboardLang;
aSeq[3] = SwLangHelper::GetTextForLanguageGuessing( pEditEngine, aSelection );
// set sequence as status value
SfxStringListItem aItem( SID_LANGUAGE_STATUS );
aItem.SetStringList( aSeq );
rSet.Put( aItem );
return 0;
}
bool SetLanguageStatus( OutlinerView* pOLV, SfxRequest &rReq, SwView const &rView, SwWrtShell &rSh )
{
bool bRestoreSelection = false;
SfxItemSet aEditAttr(pOLV->GetAttribs());
ESelection aSelection = pOLV->GetSelection();
EditView & rEditView = pOLV->GetEditView();
EditEngine * pEditEngine = rEditView.GetEditEngine();
// get the language
OUString aNewLangText;
const SfxStringItem* pItem = rReq.GetArg<SfxStringItem>(SID_LANGUAGE_STATUS);
if (pItem)
aNewLangText = pItem->GetValue();
//!! Remember the view frame right now...
//!! (call to GetView().GetViewFrame() will break if the
//!! SwTextShell got destroyed meanwhile.)
SfxViewFrame *pViewFrame = rView.GetViewFrame();
if (aNewLangText == "*" )
{
// open the dialog "Tools/Options/Language Settings - Language"
SfxAbstractDialogFactory* pFact = SfxAbstractDialogFactory::Create();
if (pFact)
{
ScopedVclPtr<VclAbstractDialog> pDlg(pFact->CreateVclDialog( rView.GetWindow(), SID_LANGUAGE_OPTIONS ));
pDlg->Execute();
}
}
else
{
// setting the new language...
if (!aNewLangText.isEmpty())
{
const OUString aSelectionLangPrefix("Current_");
const OUString aParagraphLangPrefix("Paragraph_");
const OUString aDocumentLangPrefix("Default_");
sal_Int32 nPos = 0;
bool bForSelection = true;
bool bForParagraph = false;
if (-1 != (nPos = aNewLangText.indexOf( aSelectionLangPrefix )))
{
// ... for the current selection
aNewLangText = aNewLangText.replaceAt(nPos, aSelectionLangPrefix.getLength(), "");
bForSelection = true;
}
else if (-1 != (nPos = aNewLangText.indexOf( aParagraphLangPrefix )))
{
// ... for the current paragraph language
aNewLangText = aNewLangText.replaceAt(nPos, aParagraphLangPrefix.getLength(), "");
bForSelection = true;
bForParagraph = true;
}
else if (-1 != (nPos = aNewLangText.indexOf( aDocumentLangPrefix )))
{
// ... as default document language
aNewLangText = aNewLangText.replaceAt(nPos, aDocumentLangPrefix.getLength(), "");
bForSelection = false;
}
if (bForParagraph)
{
bRestoreSelection = true;
SwLangHelper::SelectPara( rEditView, aSelection );
aSelection = pOLV->GetSelection();
}
if (!bForSelection) // document language to be changed...
{
rSh.StartAction();
rSh.LockView( true );
rSh.Push();
// prepare to apply new language to all text in document
rSh.SelAll();
rSh.ExtendedSelectAll();
}
if (aNewLangText == "LANGUAGE_NONE")
SwLangHelper::SetLanguage_None( rSh, pOLV, aSelection, bForSelection, aEditAttr );
else if (aNewLangText == "RESET_LANGUAGES")
SwLangHelper::ResetLanguages( rSh, pOLV );
else
SwLangHelper::SetLanguage( rSh, pOLV, aSelection, aNewLangText, bForSelection, aEditAttr );
// ugly hack, as it seems that EditView/EditEngine does not update their spellchecking marks
// when setting a new language attribute
if (bForSelection)
{
const SwViewOption* pVOpt = rView.GetWrtShellPtr()->GetViewOptions();
EEControlBits nCntrl = pEditEngine->GetControlWord();
// turn off
nCntrl &= ~EEControlBits::ONLINESPELLING;
pEditEngine->SetControlWord(nCntrl);
//turn back on
if (pVOpt->IsOnlineSpell())
nCntrl |= EEControlBits::ONLINESPELLING;
else
nCntrl &= ~EEControlBits::ONLINESPELLING;
pEditEngine->SetControlWord(nCntrl);
pEditEngine->CompleteOnlineSpelling();
rEditView.Invalidate();
}
if (!bForSelection)
{
// need to release view and restore selection...
rSh.Pop(SwCursorShell::PopMode::DeleteCurrent);
rSh.LockView( false );
rSh.EndAction();
}
}
}
// invalidate slot to get the new language displayed
pViewFrame->GetBindings().Invalidate( rReq.GetSlot() );
rReq.Done();
return bRestoreSelection;
}
void SetLanguage( SwWrtShell &rWrtSh, const OUString &rLangText, bool bIsForSelection, SfxItemSet &rCoreSet )
{
SetLanguage( rWrtSh, nullptr , ESelection(), rLangText, bIsForSelection, rCoreSet );
}
void SetLanguage( SwWrtShell &rWrtSh, OutlinerView const * pOLV, const ESelection& rSelection, const OUString &rLangText, bool bIsForSelection, SfxItemSet &rCoreSet )
{
const LanguageType nLang = SvtLanguageTable::GetLanguageType( rLangText );
if (nLang != LANGUAGE_DONTKNOW)
{
EditEngine* pEditEngine = pOLV ? pOLV->GetEditView().GetEditEngine() : nullptr;
OSL_ENSURE( !pOLV || pEditEngine, "OutlinerView without EditEngine???" );
//get ScriptType
sal_uInt16 nLangWhichId = 0;
bool bIsSingleScriptType = true;
switch (SvtLanguageOptions::GetScriptTypeOfLanguage( nLang ))
{
case SvtScriptType::LATIN : nLangWhichId = pEditEngine ? sal_uInt16(EE_CHAR_LANGUAGE) : sal_uInt16(RES_CHRATR_LANGUAGE); break;
case SvtScriptType::ASIAN : nLangWhichId = pEditEngine ? sal_uInt16(EE_CHAR_LANGUAGE_CJK) : sal_uInt16(RES_CHRATR_CJK_LANGUAGE); break;
case SvtScriptType::COMPLEX : nLangWhichId = pEditEngine ? sal_uInt16(EE_CHAR_LANGUAGE_CTL) : sal_uInt16(RES_CHRATR_CTL_LANGUAGE); break;
default:
bIsSingleScriptType = false;
OSL_FAIL("unexpected case" );
}
if (bIsSingleScriptType)
{
// change language for selection or paragraph
// (for paragraph is handled by previously having set the selection to the
// whole paragraph)
if (bIsForSelection)
{
// apply language to current selection
if (pEditEngine)
{
rCoreSet.Put( SvxLanguageItem( nLang, nLangWhichId ));
pEditEngine->QuickSetAttribs(rCoreSet, rSelection);
}
else
{
rWrtSh.GetCurAttr( rCoreSet );
rCoreSet.Put( SvxLanguageItem( nLang, nLangWhichId ));
rWrtSh.SetAttrSet( rCoreSet );
}
}
else // change language for all text
{
// set document default language
switch (nLangWhichId)
{
case EE_CHAR_LANGUAGE : nLangWhichId = RES_CHRATR_LANGUAGE; break;
case EE_CHAR_LANGUAGE_CJK : nLangWhichId = RES_CHRATR_CJK_LANGUAGE; break;
case EE_CHAR_LANGUAGE_CTL : nLangWhichId = RES_CHRATR_CTL_LANGUAGE; break;
}
//Set the default document language
rWrtSh.SetDefault( SvxLanguageItem( nLang, nLangWhichId ) );
//Resolves: fdo#35282 Clear the language from all Text Styles, and
//fallback to default document language
const SwTextFormatColls *pColls = rWrtSh.GetDoc()->GetTextFormatColls();
for(size_t i = 0, nCount = pColls->size(); i < nCount; ++i)
{
SwTextFormatColl &rTextColl = *(*pColls)[ i ];
rTextColl.ResetFormatAttr(nLangWhichId);
}
//Resolves: fdo#35282 Clear the language from all Character Styles,
//and fallback to default document language
const SwCharFormats *pCharFormats = rWrtSh.GetDoc()->GetCharFormats();
for(size_t i = 0, nCount = pCharFormats->size(); i < nCount; ++i)
{
SwCharFormat &rCharFormat = *(*pCharFormats)[ i ];
rCharFormat.ResetFormatAttr(nLangWhichId);
}
// #i102191: hard set respective language attribute in text document
// (for all text in the document - which should be selected by now...)
rWrtSh.SetAttrItem( SvxLanguageItem( nLang, nLangWhichId ) );
}
}
}
}
void SetLanguage_None( SwWrtShell &rWrtSh, bool bIsForSelection, SfxItemSet &rCoreSet )
{
SetLanguage_None( rWrtSh,nullptr,ESelection(),bIsForSelection,rCoreSet );
}
void SetLanguage_None( SwWrtShell &rWrtSh, OutlinerView const * pOLV, const ESelection& rSelection, bool bIsForSelection, SfxItemSet &rCoreSet )
{
// EditEngine IDs
const sal_uInt16 aLangWhichId_EE[3] =
{
EE_CHAR_LANGUAGE,
EE_CHAR_LANGUAGE_CJK,
EE_CHAR_LANGUAGE_CTL
};
// Writer IDs
const sal_uInt16 aLangWhichId_Writer[3] =
{
RES_CHRATR_LANGUAGE,
RES_CHRATR_CJK_LANGUAGE,
RES_CHRATR_CTL_LANGUAGE
};
if (bIsForSelection)
{
// change language for selection or paragraph
// (for paragraph is handled by previously having set the selection to the
// whole paragraph)
EditEngine* pEditEngine = pOLV ? pOLV->GetEditView().GetEditEngine() : nullptr;
OSL_ENSURE( !pOLV || pEditEngine, "OutlinerView without EditEngine???" );
if (pEditEngine)
{
for (sal_uInt16 i : aLangWhichId_EE)
rCoreSet.Put( SvxLanguageItem( LANGUAGE_NONE, i ));
pEditEngine->QuickSetAttribs(rCoreSet, rSelection);
}
else
{
rWrtSh.GetCurAttr( rCoreSet );
for (sal_uInt16 i : aLangWhichId_Writer)
rCoreSet.Put( SvxLanguageItem( LANGUAGE_NONE, i ));
rWrtSh.SetAttrSet( rCoreSet );
}
}
else // change language for all text
{
std::set<sal_uInt16> aAttribs;
for (sal_uInt16 i : aLangWhichId_Writer)
{
rWrtSh.SetDefault( SvxLanguageItem( LANGUAGE_NONE, i ) );
aAttribs.insert( i );
}
// set all language attributes to default
// (for all text in the document - which should be selected by now...)
rWrtSh.ResetAttr( aAttribs );
}
}
void ResetLanguages( SwWrtShell &rWrtSh, OutlinerView const * pOLV )
{
// reset language for current selection.
// The selection should already have been expanded to the whole paragraph or
// to all text in the document if those are the ranges where to reset
// the language attributes
if (pOLV)
{
EditView &rEditView = pOLV->GetEditView();
rEditView.RemoveAttribs( true, EE_CHAR_LANGUAGE );
rEditView.RemoveAttribs( true, EE_CHAR_LANGUAGE_CJK );
rEditView.RemoveAttribs( true, EE_CHAR_LANGUAGE_CTL );
}
else
{
std::set<sal_uInt16> aAttribs;
aAttribs.insert( RES_CHRATR_LANGUAGE );
aAttribs.insert( RES_CHRATR_CJK_LANGUAGE );
aAttribs.insert( RES_CHRATR_CTL_LANGUAGE );
rWrtSh.ResetAttr( aAttribs );
}
}
/// @returns : the language for the selected text that is set for the
/// specified attribute (script type).
/// If there are more than one languages used LANGUAGE_DONTKNOW will be returned.
/// @param nLangWhichId : one of
/// RES_CHRATR_LANGUAGE, RES_CHRATR_CJK_LANGUAGE, RES_CHRATR_CTL_LANGUAGE,
LanguageType GetLanguage( SwWrtShell &rSh, sal_uInt16 nLangWhichId )
{
SfxItemSet aSet( rSh.GetAttrPool(), {{nLangWhichId, nLangWhichId}} );
rSh.GetCurAttr( aSet );
return GetLanguage(aSet,nLangWhichId);
}
LanguageType GetLanguage( SfxItemSet const & aSet, sal_uInt16 nLangWhichId )
{
LanguageType nLang = LANGUAGE_SYSTEM;
const SfxPoolItem *pItem = nullptr;
SfxItemState nState = aSet.GetItemState( nLangWhichId, true, &pItem );
if (nState > SfxItemState::DEFAULT && pItem)
{
// the item is set and can be used
nLang = dynamic_cast<const SvxLanguageItem&>(*pItem).GetLanguage();
}
else if (nState == SfxItemState::DEFAULT)
{
// since the attribute is not set: retrieve the default value
nLang = dynamic_cast<const SvxLanguageItem&>(aSet.GetPool()->GetDefaultItem( nLangWhichId )).GetLanguage();
}
else if (nState == SfxItemState::DONTCARE)
{
// there is more than one language...
nLang = LANGUAGE_DONTKNOW;
}
OSL_ENSURE( nLang != LANGUAGE_SYSTEM, "failed to get the language?" );
return nLang;
}
/// @returns: the language in use for the selected text.
/// 'In use' means the language(s) matching the script type(s) of the
/// selected text. Or in other words, the language a spell checker would use.
/// If there is more than one language LANGUAGE_DONTKNOW will be returned.
LanguageType GetCurrentLanguage( SwWrtShell &rSh )
{
//set language attribute to use according to the script type
sal_uInt16 nLangWhichId = 0;
bool bIsSingleScriptType = true;
switch (rSh.GetScriptType())
{
case SvtScriptType::LATIN : nLangWhichId = RES_CHRATR_LANGUAGE; break;
case SvtScriptType::ASIAN : nLangWhichId = RES_CHRATR_CJK_LANGUAGE; break;
case SvtScriptType::COMPLEX : nLangWhichId = RES_CHRATR_CTL_LANGUAGE; break;
default: bIsSingleScriptType = false; break;
}
// get language according to the script type(s) in use
LanguageType nCurrentLang = LANGUAGE_SYSTEM;
if (bIsSingleScriptType)
nCurrentLang = GetLanguage( rSh, nLangWhichId );
else
{
// check if all script types are set to LANGUAGE_NONE and return
// that if this is the case. Otherwise, having multiple script types
// in use always means there are several languages in use...
const sal_uInt16 aScriptTypes[3] =
{
RES_CHRATR_LANGUAGE,
RES_CHRATR_CJK_LANGUAGE,
RES_CHRATR_CTL_LANGUAGE
};
nCurrentLang = LANGUAGE_NONE;
for (sal_uInt16 aScriptType : aScriptTypes)
{
LanguageType nTmpLang = GetLanguage( rSh, aScriptType );
if (nTmpLang != LANGUAGE_NONE)
{
nCurrentLang = LANGUAGE_DONTKNOW;
break;
}
}
}
OSL_ENSURE( nCurrentLang != LANGUAGE_SYSTEM, "failed to get the language?" );
return nCurrentLang;
}
/// @returns: the language in use for the selected text.
/// 'In use' means the language(s) matching the script type(s) of the
/// selected text. Or in other words, the language a spell checker would use.
/// If there is more than one language LANGUAGE_DONTKNOW will be returned.
LanguageType GetCurrentLanguage( SfxItemSet const & aSet, SvtScriptType nScriptType )
{
//set language attribute to use according to the script type
sal_uInt16 nLangWhichId = 0;
bool bIsSingleScriptType = true;
switch (nScriptType)
{
case SvtScriptType::LATIN : nLangWhichId = EE_CHAR_LANGUAGE; break;
case SvtScriptType::ASIAN : nLangWhichId = EE_CHAR_LANGUAGE_CJK; break;
case SvtScriptType::COMPLEX : nLangWhichId = EE_CHAR_LANGUAGE_CTL; break;
default: bIsSingleScriptType = false;
}
// get language according to the script type(s) in use
LanguageType nCurrentLang = LANGUAGE_SYSTEM;
if (bIsSingleScriptType)
nCurrentLang = GetLanguage( aSet, nLangWhichId );
else
{
// check if all script types are set to LANGUAGE_NONE and return
// that if this is the case. Otherwise, having multiple script types
// in use always means there are several languages in use...
const sal_uInt16 aScriptTypes[3] =
{
EE_CHAR_LANGUAGE,
EE_CHAR_LANGUAGE_CJK,
EE_CHAR_LANGUAGE_CTL
};
nCurrentLang = LANGUAGE_NONE;
for (sal_uInt16 aScriptType : aScriptTypes)
{
LanguageType nTmpLang = GetLanguage( aSet, aScriptType );
if (nTmpLang != LANGUAGE_NONE)
{
nCurrentLang = LANGUAGE_DONTKNOW;
break;
}
}
}
OSL_ENSURE( nCurrentLang != LANGUAGE_SYSTEM, "failed to get the language?" );
return nCurrentLang;
}
OUString GetTextForLanguageGuessing( SwWrtShell const &rSh )
{
// string for guessing language
OUString aText;
SwPaM *pCursor = rSh.GetCursor();
SwTextNode *pNode = pCursor->GetNode().GetTextNode();
if (pNode)
{
aText = pNode->GetText();
if (!aText.isEmpty())
{
sal_Int32 nEnd = pCursor->GetPoint()->nContent.GetIndex();
// at most 100 chars to the left...
const sal_Int32 nStt = nEnd > 100 ? nEnd - 100 : 0;
// ... and 100 to the right of the cursor position
nEnd = aText.getLength() - nEnd > 100 ? nEnd + 100 : aText.getLength();
aText = aText.copy( nStt, nEnd - nStt );
}
}
return aText;
}
OUString GetTextForLanguageGuessing(EditEngine const * rEditEngine, const ESelection& rDocSelection)
{
// string for guessing language
OUString aText;
// get the full text of the paragraph that the end of selection is in
aText = rEditEngine->GetText(rDocSelection.nEndPos);
if (!aText.isEmpty())
{
sal_Int32 nStt = 0;
sal_Int32 nEnd = rDocSelection.nEndPos;
// at most 100 chars to the left...
nStt = nEnd > 100 ? nEnd - 100 : 0;
// ... and 100 to the right of the cursor position
nEnd = aText.getLength() - nEnd > 100 ? nEnd + 100 : aText.getLength();
aText = aText.copy( nStt, nEnd - nStt );
}
return aText;
}
void SelectPara( EditView &rEditView, const ESelection &rCurSel )
{
ESelection aParaSel( rCurSel.nStartPara, 0, rCurSel.nStartPara, EE_TEXTPOS_ALL );
rEditView.SetSelection( aParaSel );
}
void SelectCurrentPara( SwWrtShell &rWrtSh )
{
// select current para
if (!rWrtSh.IsSttPara())
rWrtSh.MovePara( GoCurrPara, fnParaStart );
if (!rWrtSh.HasMark())
rWrtSh.SetMark();
rWrtSh.SwapPam();
if (!rWrtSh.IsEndPara())
rWrtSh.MovePara( GoCurrPara, fnParaEnd );
#if OSL_DEBUG_LEVEL > 1
OUString aSelText;
rWrtSh.GetSelectedText( aSelText );
(void) aSelText;
#endif
}
}
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