forms/source/richtext/richtextmodel.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "richtextmodel.hxx"
  21 #include "richtextengine.hxx"
  22 #include "richtextunowrapper.hxx"
  23
  24 #include <property.hxx>
  25 #include <services.hxx>
  26
  27 #include <com/sun/star/awt/LineEndFormat.hpp>
  28 #include <com/sun/star/form/FormComponentType.hpp>
  29 #include <com/sun/star/text/WritingMode2.hpp>
  30 #include <com/sun/star/style/VerticalAlignment.hpp>
  31
  32 #include <comphelper/guarding.hxx>
  33 #include <comphelper/servicehelper.hxx>
  34 #include <svl/itempool.hxx>
  35 #include <toolkit/awt/vclxdevice.hxx>
  36 #include <toolkit/helper/vclunohelper.hxx>
  37 #include <tools/diagnose_ex.h>
  38 #include <editeng/editstat.hxx>
  39 #include <vcl/outdev.hxx>
  40 #include <vcl/svapp.hxx>
  41
  42
  43 namespace frm
  44 {
  45     using namespace ::com::sun::star::uno;
  46     using namespace ::com::sun::star::awt;
  47     using namespace ::com::sun::star::lang;
  48     using namespace ::com::sun::star::io;
  49     using namespace ::com::sun::star::beans;
  50     using namespace ::com::sun::star::form;
  51     using namespace ::com::sun::star::util;
  52     using namespace ::com::sun::star::style;
  53
  54     namespace WritingMode2 = ::com::sun::star::text::WritingMode2;
  55
  56     ORichTextModel::ORichTextModel( const Reference< XComponentContext >& _rxFactory )
  57         :OControlModel       ( _rxFactory, OUString() )
  58         ,FontControlModel    ( true                          )
  59         ,m_pEngine           ( RichTextEngine::Create()      )
  60         ,m_bSettingEngineText( false                         )
  61         ,m_aModifyListeners  ( m_aMutex                      )
  62     {
  63         m_nClassId = FormComponentType::TEXTFIELD;
  64
  65         getPropertyDefaultByHandle( PROPERTY_ID_DEFAULTCONTROL          ) >>= m_sDefaultControl;
  66         getPropertyDefaultByHandle( PROPERTY_ID_BORDER                  ) >>= m_nBorder;
  67         getPropertyDefaultByHandle( PROPERTY_ID_ENABLED                 ) >>= m_bEnabled;
  68         getPropertyDefaultByHandle( PROPERTY_ID_ENABLEVISIBLE           ) >>= m_bEnableVisible;
  69         getPropertyDefaultByHandle( PROPERTY_ID_HARDLINEBREAKS          ) >>= m_bHardLineBreaks;
  70         getPropertyDefaultByHandle( PROPERTY_ID_HSCROLL                 ) >>= m_bHScroll;
  71         getPropertyDefaultByHandle( PROPERTY_ID_VSCROLL                 ) >>= m_bVScroll;
  72         getPropertyDefaultByHandle( PROPERTY_ID_READONLY                ) >>= m_bReadonly;
  73         getPropertyDefaultByHandle( PROPERTY_ID_PRINTABLE               ) >>= m_bPrintable;
  74         m_aAlign = getPropertyDefaultByHandle( PROPERTY_ID_ALIGN );
  75         getPropertyDefaultByHandle( PROPERTY_ID_ECHO_CHAR               ) >>= m_nEchoChar;
  76         getPropertyDefaultByHandle( PROPERTY_ID_MAXTEXTLEN              ) >>= m_nMaxTextLength;
  77         getPropertyDefaultByHandle( PROPERTY_ID_MULTILINE               ) >>= m_bMultiLine;
  78         getPropertyDefaultByHandle( PROPERTY_ID_RICH_TEXT               ) >>= m_bReallyActAsRichText;
  79         getPropertyDefaultByHandle( PROPERTY_ID_HIDEINACTIVESELECTION   ) >>= m_bHideInactiveSelection;
  80         getPropertyDefaultByHandle( PROPERTY_ID_LINEEND_FORMAT          ) >>= m_nLineEndFormat;
  81         getPropertyDefaultByHandle( PROPERTY_ID_WRITING_MODE            ) >>= m_nTextWritingMode;
  82         getPropertyDefaultByHandle( PROPERTY_ID_CONTEXT_WRITING_MODE    ) >>= m_nContextWritingMode;
  83
  84         implInit();
  85     }
  86
  87
  88     ORichTextModel::ORichTextModel( const ORichTextModel* _pOriginal, const Reference< XComponentContext >& _rxFactory )
  89         :OControlModel       ( _pOriginal, _rxFactory, false )
  90         ,FontControlModel    ( _pOriginal                        )
  91         ,m_bSettingEngineText( false                             )
  92         ,m_aModifyListeners  ( m_aMutex                          )
  93     {
  94
  95         m_aTabStop               = _pOriginal->m_aTabStop;
  96         m_aBackgroundColor       = _pOriginal->m_aBackgroundColor;
  97         m_aBorderColor           = _pOriginal->m_aBorderColor;
  98         m_aVerticalAlignment     = _pOriginal->m_aVerticalAlignment;
  99         m_sDefaultControl        = _pOriginal->m_sDefaultControl;
 100         m_sHelpText              = _pOriginal->m_sHelpText;
 101         m_sHelpURL               = _pOriginal->m_sHelpURL;
 102         m_nBorder                = _pOriginal->m_nBorder;
 103         m_bEnabled               = _pOriginal->m_bEnabled;
 104         m_bEnableVisible         = _pOriginal->m_bEnableVisible;
 105         m_bHardLineBreaks        = _pOriginal->m_bHardLineBreaks;
 106         m_bHScroll               = _pOriginal->m_bHScroll;
 107         m_bVScroll               = _pOriginal->m_bVScroll;
 108         m_bReadonly              = _pOriginal->m_bReadonly;
 109         m_bPrintable             = _pOriginal->m_bPrintable;
 110         m_bReallyActAsRichText   = _pOriginal->m_bReallyActAsRichText;
 111         m_bHideInactiveSelection = _pOriginal->m_bHideInactiveSelection;
 112         m_nLineEndFormat         = _pOriginal->m_nLineEndFormat;
 113         m_nTextWritingMode       = _pOriginal->m_nTextWritingMode;
 114         m_nContextWritingMode    = _pOriginal->m_nContextWritingMode;
 115
 116         m_aAlign               = _pOriginal->m_aAlign;
 117         m_nEchoChar            = _pOriginal->m_nEchoChar;
 118         m_nMaxTextLength       = _pOriginal->m_nMaxTextLength;
 119         m_bMultiLine           = _pOriginal->m_bMultiLine;
 120
 121         m_pEngine.reset(_pOriginal->m_pEngine->Clone());
 122         m_sLastKnownEngineText = m_pEngine->GetText();
 123
 124         implInit();
 125     }
 126
 127
 128     void ORichTextModel::implInit()
 129     {
 130         OSL_ENSURE(m_pEngine, "ORichTextModel::implInit: where's the engine?");
 131         if (m_pEngine)
 132         {
 133             m_pEngine->SetModifyHdl( LINK( this, ORichTextModel, OnEngineContentModified ) );
 134
 135             EEControlBits nEngineControlWord = m_pEngine->GetControlWord();
 136             nEngineControlWord = nEngineControlWord & ~EEControlBits::AUTOPAGESIZE;
 137             m_pEngine->SetControlWord( nEngineControlWord );
 138
 139             rtl::Reference<VCLXDevice> pUnoRefDevice = new VCLXDevice;
 140             {
 141                 SolarMutexGuard g;
 142                 pUnoRefDevice->SetOutputDevice( m_pEngine->GetRefDevice() );
 143             }
 144             m_xReferenceDevice = pUnoRefDevice;
 145         }
 146
 147         implDoAggregation();
 148         implRegisterProperties();
 149     }
 150
 151
 152     void ORichTextModel::implDoAggregation()
 153     {
 154         osl_atomic_increment( &m_refCount );
 155
 156         {
 157             m_xAggregate = new ORichTextUnoWrapper( *m_pEngine, this );
 158             setAggregation( m_xAggregate );
 159             doSetDelegator();
 160         }
 161
 162         osl_atomic_decrement( &m_refCount );
 163     }
 164
 165
 166     void ORichTextModel::implRegisterProperties()
 167     {
 168         registerProperty( PROPERTY_DEFAULTCONTROL, PROPERTY_ID_DEFAULTCONTROL, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 169                           &m_sDefaultControl, cppu::UnoType<decltype(m_sDefaultControl)>::get() );
 170         registerProperty( PROPERTY_HELPTEXT, PROPERTY_ID_HELPTEXT, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 171                           &m_sHelpText, cppu::UnoType<decltype(m_sHelpText)>::get() );
 172         registerProperty( PROPERTY_HELPURL, PROPERTY_ID_HELPURL, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 173                           &m_sHelpURL, cppu::UnoType<decltype(m_sHelpURL)>::get() );
 174         registerProperty( PROPERTY_ENABLED, PROPERTY_ID_ENABLED, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 175                           &m_bEnabled, cppu::UnoType<decltype(m_bEnabled)>::get() );
 176         registerProperty( PROPERTY_ENABLEVISIBLE, PROPERTY_ID_ENABLEVISIBLE, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 177                           &m_bEnableVisible, cppu::UnoType<decltype(m_bEnableVisible)>::get() );
 178         registerProperty( PROPERTY_BORDER, PROPERTY_ID_BORDER, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 179                           &m_nBorder, cppu::UnoType<decltype(m_nBorder)>::get() );
 180         registerProperty( PROPERTY_HARDLINEBREAKS, PROPERTY_ID_HARDLINEBREAKS, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 181                           &m_bHardLineBreaks, cppu::UnoType<decltype(m_bHardLineBreaks)>::get() );
 182         registerProperty( PROPERTY_HSCROLL, PROPERTY_ID_HSCROLL, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 183                           &m_bHScroll, cppu::UnoType<decltype(m_bHScroll)>::get() );
 184         registerProperty( PROPERTY_VSCROLL, PROPERTY_ID_VSCROLL, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 185                           &m_bVScroll, cppu::UnoType<decltype(m_bVScroll)>::get() );
 186         registerProperty( PROPERTY_READONLY, PROPERTY_ID_READONLY, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 187                           &m_bReadonly, cppu::UnoType<decltype(m_bReadonly)>::get() );
 188         registerProperty( PROPERTY_PRINTABLE, PROPERTY_ID_PRINTABLE, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 189                           &m_bPrintable, cppu::UnoType<decltype(m_bPrintable)>::get() );
 190         registerProperty( PROPERTY_REFERENCE_DEVICE, PROPERTY_ID_REFERENCE_DEVICE, PropertyAttribute::BOUND | PropertyAttribute::TRANSIENT,
 191                           &m_xReferenceDevice, cppu::UnoType<decltype(m_xReferenceDevice)>::get() );
 192         registerProperty( PROPERTY_RICH_TEXT, PROPERTY_ID_RICH_TEXT, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 193                           &m_bReallyActAsRichText, cppu::UnoType<decltype(m_bReallyActAsRichText)>::get() );
 194         registerProperty( PROPERTY_HIDEINACTIVESELECTION, PROPERTY_ID_HIDEINACTIVESELECTION, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 195                           &m_bHideInactiveSelection, cppu::UnoType<decltype(m_bHideInactiveSelection)>::get() );
 196
 197         registerMayBeVoidProperty( PROPERTY_TABSTOP, PROPERTY_ID_TABSTOP, PropertyAttribute::MAYBEVOID | PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 198                                    &m_aTabStop, cppu::UnoType<sal_Bool>::get() );
 199         registerMayBeVoidProperty( PROPERTY_BACKGROUNDCOLOR, PROPERTY_ID_BACKGROUNDCOLOR, PropertyAttribute::MAYBEVOID | PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 200                                    &m_aBackgroundColor, cppu::UnoType<sal_Int32>::get() );
 201         registerMayBeVoidProperty( PROPERTY_BORDERCOLOR, PROPERTY_ID_BORDERCOLOR, PropertyAttribute::MAYBEVOID | PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 202                                    &m_aBorderColor, cppu::UnoType<sal_Int32>::get() );
 203         registerMayBeVoidProperty( PROPERTY_VERTICAL_ALIGN, PROPERTY_ID_VERTICAL_ALIGN, PropertyAttribute::MAYBEVOID | PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 204                                    &m_aVerticalAlignment, cppu::UnoType<VerticalAlignment>::get() );
 205
 206         // properties which exist only for compatibility with the css.swt.UnoControlEditModel,
 207         // since we replace the default implementation for this service
 208         registerProperty( PROPERTY_ECHO_CHAR, PROPERTY_ID_ECHO_CHAR, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 209                           &m_nEchoChar, cppu::UnoType<decltype(m_nEchoChar)>::get() );
 210         registerProperty( PROPERTY_MAXTEXTLEN, PROPERTY_ID_MAXTEXTLEN, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 211                           &m_nMaxTextLength, cppu::UnoType<decltype(m_nMaxTextLength)>::get() );
 212         registerProperty( PROPERTY_MULTILINE, PROPERTY_ID_MULTILINE, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 213                           &m_bMultiLine, cppu::UnoType<decltype(m_bMultiLine)>::get() );
 214         registerProperty( PROPERTY_TEXT, PROPERTY_ID_TEXT, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 215                           &m_sLastKnownEngineText, cppu::UnoType<decltype(m_sLastKnownEngineText)>::get() );
 216         registerProperty( PROPERTY_LINEEND_FORMAT, PROPERTY_ID_LINEEND_FORMAT, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 217                           &m_nLineEndFormat, cppu::UnoType<decltype(m_nLineEndFormat)>::get() );
 218         registerProperty( PROPERTY_WRITING_MODE, PROPERTY_ID_WRITING_MODE, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 219                           &m_nTextWritingMode, cppu::UnoType<decltype(m_nTextWritingMode)>::get() );
 220
 221         registerProperty( PROPERTY_CONTEXT_WRITING_MODE, PROPERTY_ID_CONTEXT_WRITING_MODE, PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT |
 222                           PropertyAttribute::TRANSIENT, &m_nContextWritingMode, cppu::UnoType<decltype(m_nContextWritingMode)>::get() );
 223
 224         registerMayBeVoidProperty( PROPERTY_ALIGN, PROPERTY_ID_ALIGN, PropertyAttribute::MAYBEVOID | PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT,
 225                                    &m_aAlign, cppu::UnoType<sal_Int16>::get() );
 226     }
 227
 228
 229     ORichTextModel::~ORichTextModel( )
 230     {
 231         if ( !OComponentHelper::rBHelper.bDisposed )
 232         {
 233             acquire();
 234             dispose();
 235         }
 236         if (m_pEngine)
 237         {
 238             SolarMutexGuard g;
 239             m_pEngine.reset();
 240         }
 241     }
 242
 243
 244     Any SAL_CALL ORichTextModel::queryAggregation( const Type& _rType )
 245     {
 246         Any aReturn = ORichTextModel_BASE::queryInterface( _rType );
 247
 248         if ( !aReturn.hasValue() )
 249             aReturn = OControlModel::queryAggregation( _rType );
 250
 251         return aReturn;
 252     }
 253
 254
 255     IMPLEMENT_FORWARD_XTYPEPROVIDER2( ORichTextModel, OControlModel, ORichTextModel_BASE )
 256
 257     OUString SAL_CALL ORichTextModel::getImplementationName()
 258     {
 259         return "com.sun.star.comp.forms.ORichTextModel";
 260     }
 261
 262     Sequence< OUString > SAL_CALL ORichTextModel::getSupportedServiceNames()
 263     {
 264         Sequence< OUString > aOwnNames {
 265             FRM_SUN_COMPONENT_RICHTEXTCONTROL,
 266             "com.sun.star.text.TextRange",
 267             "com.sun.star.style.CharacterProperties",
 268             "com.sun.star.style.ParagraphProperties",
 269             "com.sun.star.style.CharacterPropertiesAsian",
 270             "com.sun.star.style.CharacterPropertiesComplex",
 271             "com.sun.star.style.ParagraphPropertiesAsian",
 272             "com.sun.star.style.ParagraphPropertiesComplex" };
 273
 274         return ::comphelper::combineSequences(
 275             getAggregateServiceNames(),
 276             ::comphelper::concatSequences(
 277                 OControlModel::getSupportedServiceNames_Static(),
 278                 aOwnNames)
 279         );
 280     }
 281
 282     css::uno::Reference< css::util::XCloneable > SAL_CALL ORichTextModel::createClone()
 283 {
 284     rtl::Reference<ORichTextModel> pClone = new ORichTextModel(this, getContext());
 285     pClone->clonedFrom(this);
 286     return pClone;
 287 }
 288
 289
 290     void SAL_CALL ORichTextModel::disposing()
 291     {
 292         m_aModifyListeners.disposeAndClear( EventObject( *this ) );
 293         OControlModel::disposing();
 294     }
 295
 296
 297     namespace
 298     {
 299         void lcl_removeProperty( Sequence< Property >& _rSeq, std::u16string_view _rPropertyName )
 300         {
 301             Property* pLoop = _rSeq.getArray();
 302             Property* pEnd = _rSeq.getArray() + _rSeq.getLength();
 303             while ( pLoop != pEnd )
 304             {
 305                 if ( pLoop->Name == _rPropertyName )
 306                 {
 307                     ::std::copy( pLoop + 1, pEnd, pLoop );
 308                     _rSeq.realloc( _rSeq.getLength() - 1 );
 309                     break;
 310                 }
 311                 ++pLoop;
 312             }
 313         }
 314     }
 315
 316     void ORichTextModel::describeFixedProperties( Sequence< Property >& _rProps ) const
 317     {
 318         OControlModel::describeFixedProperties( _rProps );
 319         sal_Int32 nOldCount = _rProps.getLength();
 320         _rProps.realloc( nOldCount + 1);
 321         css::beans::Property* pProperties = _rProps.getArray() + nOldCount;
 322         *pProperties++ = css::beans::Property(PROPERTY_TABINDEX, PROPERTY_ID_TABINDEX, cppu::UnoType<sal_Int16>::get(), css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::MAYBEDEFAULT);
 323         DBG_ASSERT( pProperties == _rProps.getArray() + _rProps.getLength(), "<...>::describeFixedProperties/getInfoHelper: forgot to adjust the count ?");
 324
 325         // properties which the OPropertyContainerHelper is responsible for
 326         Sequence< Property > aContainedProperties;
 327         describeProperties( aContainedProperties );
 328
 329         // properties which the FontControlModel is responsible for
 330         Sequence< Property > aFontProperties;
 331         describeFontRelatedProperties( aFontProperties );
 332
 333         _rProps = concatSequences( aContainedProperties, aFontProperties, _rProps );
 334     }
 335
 336
 337     void ORichTextModel::describeAggregateProperties( Sequence< Property >& _rAggregateProps ) const
 338     {
 339         OControlModel::describeAggregateProperties( _rAggregateProps );
 340
 341         // our aggregate (the SvxUnoText) declares a FontDescriptor property, as does
 342         // our FormControlFont base class. We remove it from the base class' sequence
 343         // here, and later on care for both instances being in sync
 344         lcl_removeProperty( _rAggregateProps, PROPERTY_FONT );
 345
 346         // similar, the WritingMode property is declared in our aggregate, too, but we override
 347         // it, since the aggregate does no proper PropertyState handling.
 348         lcl_removeProperty( _rAggregateProps, PROPERTY_WRITING_MODE );
 349     }
 350
 351
 352     void SAL_CALL ORichTextModel::getFastPropertyValue( Any& _rValue, sal_Int32 _nHandle ) const
 353     {
 354         if ( isRegisteredProperty( _nHandle ) )
 355         {
 356             OPropertyContainerHelper::getFastPropertyValue( _rValue, _nHandle );
 357         }
 358         else if ( isFontRelatedProperty( _nHandle ) )
 359         {
 360             FontControlModel::getFastPropertyValue( _rValue, _nHandle );
 361         }
 362         else
 363         {
 364             OControlModel::getFastPropertyValue( _rValue, _nHandle );
 365         }
 366     }
 367
 368
 369     sal_Bool SAL_CALL ORichTextModel::convertFastPropertyValue( Any& _rConvertedValue, Any& _rOldValue, sal_Int32 _nHandle, const Any& _rValue )
 370     {
 371         bool bModified = false;
 372
 373         if ( isRegisteredProperty( _nHandle ) )
 374         {
 375             bModified = OPropertyContainerHelper::convertFastPropertyValue( _rConvertedValue, _rOldValue, _nHandle, _rValue );
 376         }
 377         else if ( isFontRelatedProperty( _nHandle ) )
 378         {
 379             bModified = FontControlModel::convertFastPropertyValue( _rConvertedValue, _rOldValue, _nHandle, _rValue );
 380         }
 381         else
 382         {
 383             bModified = OControlModel::convertFastPropertyValue( _rConvertedValue, _rOldValue, _nHandle, _rValue );
 384         }
 385
 386         return bModified;
 387     }
 388
 389
 390     void SAL_CALL ORichTextModel::setFastPropertyValue_NoBroadcast( sal_Int32 _nHandle, const Any& _rValue )
 391     {
 392         if ( isRegisteredProperty( _nHandle ) )
 393         {
 394             OPropertyContainerHelper::setFastPropertyValue( _nHandle, _rValue );
 395
 396             switch ( _nHandle )
 397             {
 398             case PROPERTY_ID_REFERENCE_DEVICE:
 399             {
 400             #if OSL_DEBUG_LEVEL > 0
 401                 MapMode aOldMapMode = m_pEngine->GetRefDevice()->GetMapMode();
 402             #endif
 403
 404                 OutputDevice* pRefDevice = VCLUnoHelper::GetOutputDevice( m_xReferenceDevice );
 405                 OSL_ENSURE( pRefDevice, "ORichTextModel::setFastPropertyValue_NoBroadcast: empty reference device?" );
 406                 m_pEngine->SetRefDevice( pRefDevice );
 407
 408             #if OSL_DEBUG_LEVEL > 0
 409                 MapMode aNewMapMode = m_pEngine->GetRefDevice()->GetMapMode();
 410                 OSL_ENSURE( aNewMapMode.GetMapUnit() == aOldMapMode.GetMapUnit(),
 411                     "ORichTextModel::setFastPropertyValue_NoBroadcast: You should not tamper with the MapUnit of the ref device!" );
 412                 // if this assertion here is triggered, then we would need to adjust all
 413                 // items in all text portions in all paragraphs in the attributes of the EditEngine,
 414                 // as long as they are MapUnit-dependent. This holds at least for the FontSize.
 415             #endif
 416             }
 417             break;
 418
 419             case PROPERTY_ID_TEXT:
 420             {
 421                 MutexRelease aReleaseMutex( m_aMutex );
 422                 impl_smlock_setEngineText( m_sLastKnownEngineText );
 423             }
 424             break;
 425             }   // switch ( _nHandle )
 426         }
 427         else if ( isFontRelatedProperty( _nHandle ) )
 428         {
 429             FontControlModel::setFastPropertyValue_NoBroadcast_impl(
 430                     *this, &ORichTextModel::setDependentFastPropertyValue,
 431                     _nHandle, _rValue);
 432         }
 433         else
 434         {
 435             switch ( _nHandle )
 436             {
 437             case PROPERTY_ID_WRITING_MODE:
 438             {
 439                 // forward to our aggregate, so the EditEngine knows about it
 440                 if ( m_xAggregateSet.is() )
 441                     m_xAggregateSet->setPropertyValue( "WritingMode", _rValue );
 442             }
 443             break;
 444
 445             default:
 446                 OControlModel::setFastPropertyValue_NoBroadcast( _nHandle, _rValue );
 447                 break;
 448             }
 449         }
 450     }
 451
 452
 453     Any ORichTextModel::getPropertyDefaultByHandle( sal_Int32 _nHandle ) const
 454     {
 455         Any aDefault;
 456
 457         switch ( _nHandle )
 458         {
 459         case PROPERTY_ID_WRITING_MODE:
 460         case PROPERTY_ID_CONTEXT_WRITING_MODE:
 461             aDefault <<= WritingMode2::CONTEXT;
 462             break;
 463
 464         case PROPERTY_ID_LINEEND_FORMAT:
 465             aDefault <<= sal_Int16(LineEndFormat::LINE_FEED);
 466             break;
 467
 468         case PROPERTY_ID_ECHO_CHAR:
 469         case PROPERTY_ID_ALIGN:
 470         case PROPERTY_ID_MAXTEXTLEN:
 471             aDefault <<= sal_Int16(0);
 472             break;
 473
 474         case PROPERTY_ID_TABSTOP:
 475         case PROPERTY_ID_BACKGROUNDCOLOR:
 476         case PROPERTY_ID_BORDERCOLOR:
 477         case PROPERTY_ID_VERTICAL_ALIGN:
 478             /* void */
 479             break;
 480
 481         case PROPERTY_ID_ENABLED:
 482         case PROPERTY_ID_ENABLEVISIBLE:
 483         case PROPERTY_ID_PRINTABLE:
 484         case PROPERTY_ID_HIDEINACTIVESELECTION:
 485             aDefault <<= true;
 486             break;
 487
 488         case PROPERTY_ID_HARDLINEBREAKS:
 489         case PROPERTY_ID_HSCROLL:
 490         case PROPERTY_ID_VSCROLL:
 491         case PROPERTY_ID_READONLY:
 492         case PROPERTY_ID_MULTILINE:
 493         case PROPERTY_ID_RICH_TEXT:
 494             aDefault <<= false;
 495             break;
 496
 497         case PROPERTY_ID_DEFAULTCONTROL:
 498             aDefault <<= OUString(FRM_SUN_CONTROL_RICHTEXTCONTROL);
 499             break;
 500
 501         case PROPERTY_ID_HELPTEXT:
 502         case PROPERTY_ID_HELPURL:
 503         case PROPERTY_ID_TEXT:
 504             aDefault <<= OUString();
 505             break;
 506
 507         case PROPERTY_ID_BORDER:
 508             aDefault <<= sal_Int16(1);
 509             break;
 510
 511         default:
 512             if ( isFontRelatedProperty( _nHandle ) )
 513                 aDefault = FontControlModel::getPropertyDefaultByHandle( _nHandle );
 514             else
 515                 aDefault = OControlModel::getPropertyDefaultByHandle( _nHandle );
 516         }
 517
 518         return aDefault;
 519     }
 520
 521
 522     void ORichTextModel::impl_smlock_setEngineText( const OUString& _rText )
 523     {
 524         if (m_pEngine)
 525         {
 526             SolarMutexGuard aSolarGuard;
 527             m_bSettingEngineText = true;
 528             m_pEngine->SetText( _rText );
 529             m_bSettingEngineText = false;
 530         }
 531     }
 532
 533
 534     OUString SAL_CALL ORichTextModel::getServiceName()
 535     {
 536         return FRM_SUN_COMPONENT_RICHTEXTCONTROL;
 537     }
 538
 539
 540     RichTextEngine* ORichTextModel::getEditEngine( const Reference< XControlModel >& _rxModel )
 541     {
 542         RichTextEngine* pEngine = nullptr;
 543
 544         Reference< XUnoTunnel > xTunnel( _rxModel, UNO_QUERY );
 545         OSL_ENSURE( xTunnel.is(), "ORichTextModel::getEditEngine: invalid model!" );
 546         if ( xTunnel.is() )
 547         {
 548             try
 549             {
 550                 pEngine = comphelper::getSomething_cast<RichTextEngine>(xTunnel->getSomething(getUnoTunnelId()));
 551             }
 552             catch( const Exception& )
 553             {
 554                 TOOLS_WARN_EXCEPTION( "forms.richtext", "ORichTextModel::getEditEngine" );
 555             }
 556         }
 557         return pEngine;
 558     }
 559
 560
 561     Sequence<sal_Int8> ORichTextModel::getUnoTunnelId()
 562     {
 563         static const comphelper::UnoIdInit aId;
 564         return aId.getSeq();
 565     }
 566
 567
 568     IMPL_LINK_NOARG( ORichTextModel, OnEngineContentModified, LinkParamNone*, void )
 569     {
 570         if ( !m_bSettingEngineText )
 571         {
 572             m_aModifyListeners.notifyEach( &XModifyListener::modified, EventObject( *this ) );
 573
 574             potentialTextChange();
 575                 // is this a good idea? It may become expensive in case of larger texts,
 576                 // and this method here is called for every single changed character ...
 577                 // On the other hand, the API *requires* us to notify changes in the "Text"
 578                 // property immediately ...
 579         }
 580     }
 581
 582
 583     sal_Int64 SAL_CALL ORichTextModel::getSomething( const Sequence< sal_Int8 >& _rId )
 584     {
 585         if (comphelper::isUnoTunnelId<ORichTextModel>(_rId))
 586             return comphelper::getSomething_cast(m_pEngine.get()); // Note returning a different type
 587
 588         Reference< XUnoTunnel > xAggTunnel;
 589         if ( query_aggregation( m_xAggregate, xAggTunnel ) )
 590             return xAggTunnel->getSomething( _rId );
 591
 592         return 0;
 593     }
 594
 595
 596     void SAL_CALL ORichTextModel::addModifyListener( const Reference< XModifyListener >& _rxListener )
 597     {
 598         m_aModifyListeners.addInterface( _rxListener );
 599     }
 600
 601
 602     void SAL_CALL ORichTextModel::removeModifyListener( const Reference< XModifyListener >& _rxListener )
 603     {
 604         m_aModifyListeners.removeInterface( _rxListener );
 605     }
 606
 607
 608     void ORichTextModel::potentialTextChange( )
 609     {
 610         OUString sCurrentEngineText;
 611         if (m_pEngine)
 612             sCurrentEngineText = m_pEngine->GetText();
 613
 614         if ( sCurrentEngineText != m_sLastKnownEngineText )
 615         {
 616             sal_Int32 nHandle = PROPERTY_ID_TEXT;
 617             Any aOldValue; aOldValue <<= m_sLastKnownEngineText;
 618             Any aNewValue; aNewValue <<= sCurrentEngineText;
 619             fire( &nHandle, &aNewValue, &aOldValue, 1, false );
 620
 621             m_sLastKnownEngineText = sCurrentEngineText;
 622         }
 623     }
 624
 625
 626 } // namespace frm
 627
 628
 629 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
 630 com_sun_star_comp_forms_ORichTextModel_get_implementation(css::uno::XComponentContext* context,
 631                                                           css::uno::Sequence<css::uno::Any> const &)
 632 {
 633     return cppu::acquire(new frm::ORichTextModel(context));
 634 }
 635
 636 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */