dali-toolkit/internal/controls/text-controls/text-label-impl.cpp

   1 /*
   2  * Copyright (c) 2018 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali-toolkit/internal/controls/text-controls/text-label-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/public-api/object/type-registry-helper.h>
  23 #include <dali/devel-api/object/property-helper-devel.h>
  24 #include <dali/devel-api/adaptor-framework/image-loading.h>
  25 #include <dali/integration-api/debug.h>
  26
  27 // INTERNAL INCLUDES
  28 #include <dali-toolkit/public-api/text/rendering-backend.h>
  29 #include <dali-toolkit/public-api/text/text-enumerations.h>
  30 #include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
  31 #include <dali-toolkit/internal/text/property-string-parser.h>
  32 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  33 #include <dali-toolkit/internal/text/text-effects-style.h>
  34 #include <dali-toolkit/internal/text/text-font-style.h>
  35 #include <dali-toolkit/internal/text/text-view.h>
  36 #include <dali-toolkit/internal/text/text-definitions.h>
  37 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  38
  39 #include <dali-toolkit/public-api/align-enumerations.h>
  40 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  41 #include <dali-toolkit/devel-api/controls/control-devel.h>
  42 #include <dali-toolkit/devel-api/visual-factory/visual-base.h>
  43 #include <dali-toolkit/public-api/visuals/text-visual-properties.h>
  44 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  45 #include <dali-toolkit/devel-api/visual-factory/visual-factory.h>
  46
  47 #include <dali-toolkit/devel-api/controls/text-controls/text-label-devel.h>
  48
  49 using namespace Dali::Toolkit::Text;
  50
  51 namespace Dali
  52 {
  53
  54 namespace Toolkit
  55 {
  56
  57 namespace Internal
  58 {
  59
  60 namespace
  61 {
  62   const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::Text::DEFAULT_RENDERING_BACKEND;
  63
  64   /**
  65    * @brief How the text visual should be aligned vertically inside the control.
  66    *
  67    * 0.0f aligns the text to the top, 0.5f aligns the text to the center, 1.0f aligns the text to the bottom.
  68    * The alignment depends on the alignment value of the text label (Use Text::VerticalAlignment enumerations).
  69    */
  70   const float VERTICAL_ALIGNMENT_TABLE[ Text::VerticalAlignment::BOTTOM + 1 ] =
  71   {
  72     0.0f,  // VerticalAlignment::TOP
  73     0.5f,  // VerticalAlignment::CENTER
  74     1.0f   // VerticalAlignment::BOTTOM
  75   };
  76 }
  77
  78 namespace
  79 {
  80
  81 #if defined ( DEBUG_ENABLED )
  82   Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
  83 #endif
  84
  85 const Scripting::StringEnum AUTO_SCROLL_STOP_MODE_TABLE[] =
  86 {
  87   { "IMMEDIATE", Toolkit::TextLabel::AutoScrollStopMode::IMMEDIATE },
  88   { "FINISH_LOOP",  Toolkit::TextLabel::AutoScrollStopMode::FINISH_LOOP  },
  89 };
  90 const unsigned int AUTO_SCROLL_STOP_MODE_TABLE_COUNT = sizeof( AUTO_SCROLL_STOP_MODE_TABLE ) / sizeof( AUTO_SCROLL_STOP_MODE_TABLE[0] );
  91
  92 // Type registration
  93 BaseHandle Create()
  94 {
  95   return Toolkit::TextLabel::New();
  96 }
  97
  98 // Setup properties, signals and actions using the type-registry.
  99 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::TextLabel, Toolkit::Control, Create );
 100
 101 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "renderingBackend",          INTEGER, RENDERING_BACKEND          )
 102 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "text",                      STRING,  TEXT                       )
 103 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "fontFamily",                STRING,  FONT_FAMILY                )
 104 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "fontStyle",                 MAP,     FONT_STYLE                 )
 105 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "pointSize",                 FLOAT,   POINT_SIZE                 )
 106 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "multiLine",                 BOOLEAN, MULTI_LINE                 )
 107 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "horizontalAlignment",       STRING,  HORIZONTAL_ALIGNMENT       )
 108 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "verticalAlignment",         STRING,  VERTICAL_ALIGNMENT         )
 109 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "unusedPropertyTextColor",   VECTOR4, UNUSED_PROPERTY_TEXT_COLOR )
 110 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "shadowOffset",              VECTOR2, SHADOW_OFFSET              )
 111 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "shadowColor",               VECTOR4, SHADOW_COLOR               )
 112 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "underlineEnabled",          BOOLEAN, UNDERLINE_ENABLED          )
 113 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "underlineColor",            VECTOR4, UNDERLINE_COLOR            )
 114 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "underlineHeight",           FLOAT,   UNDERLINE_HEIGHT           )
 115 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "enableMarkup",              BOOLEAN, ENABLE_MARKUP              )
 116 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "enableAutoScroll",          BOOLEAN, ENABLE_AUTO_SCROLL         )
 117 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "autoScrollSpeed",           INTEGER, AUTO_SCROLL_SPEED          )
 118 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "autoScrollLoopCount",       INTEGER, AUTO_SCROLL_LOOP_COUNT     )
 119 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "autoScrollGap",             FLOAT,   AUTO_SCROLL_GAP            )
 120 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "lineSpacing",               FLOAT,   LINE_SPACING               )
 121 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "underline",                 MAP,     UNDERLINE                  )
 122 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "shadow",                    MAP,     SHADOW                     )
 123 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "emboss",                    MAP,     EMBOSS                     )
 124 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "outline",                   MAP,     OUTLINE                    )
 125 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "pixelSize",                 FLOAT,   PIXEL_SIZE                 )
 126 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "ellipsis",                  BOOLEAN, ELLIPSIS                   )
 127 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "autoScrollLoopDelay",       FLOAT,   AUTO_SCROLL_LOOP_DELAY     )
 128 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "autoScrollStopMode",        STRING,  AUTO_SCROLL_STOP_MODE      )
 129 DALI_PROPERTY_REGISTRATION_READ_ONLY( Toolkit, TextLabel, "lineCount",                 INTEGER, LINE_COUNT                 )
 130 DALI_PROPERTY_REGISTRATION( Toolkit,           TextLabel, "lineWrapMode",              INTEGER, LINE_WRAP_MODE             )
 131 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY( Toolkit, TextLabel, "textDirection",       INTEGER, TEXT_DIRECTION             )
 132 DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit,     TextLabel, "verticalLineAlignment",     INTEGER, VERTICAL_LINE_ALIGNMENT    )
 133 DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit,     TextLabel, "textBackground",            MAP,     BACKGROUND                 )
 134 DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit,     TextLabel, "ignoreSpacesAfterText",     BOOLEAN, IGNORE_SPACES_AFTER_TEXT   )
 135 DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit,     TextLabel, "matchSystemLanguageDirection", BOOLEAN, MATCH_SYSTEM_LANGUAGE_DIRECTION )
 136 DALI_ANIMATABLE_PROPERTY_REGISTRATION_WITH_DEFAULT( Toolkit, TextLabel, "textColor",      Color::BLACK,     TEXT_COLOR     )
 137 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit,    TextLabel, "textColorRed",   TEXT_COLOR_RED,   TEXT_COLOR, 0  )
 138 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit,    TextLabel, "textColorGreen", TEXT_COLOR_GREEN, TEXT_COLOR, 1  )
 139 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit,    TextLabel, "textColorBlue",  TEXT_COLOR_BLUE,  TEXT_COLOR, 2  )
 140 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit,    TextLabel, "textColorAlpha", TEXT_COLOR_ALPHA, TEXT_COLOR, 3  )
 141 DALI_TYPE_REGISTRATION_END()
 142
 143 } // namespace
 144
 145 Toolkit::TextLabel TextLabel::New()
 146 {
 147   // Create the implementation, temporarily owned by this handle on stack
 148   IntrusivePtr< TextLabel > impl = new TextLabel();
 149
 150   // Pass ownership to CustomActor handle
 151   Toolkit::TextLabel handle( *impl );
 152
 153   // Second-phase init of the implementation
 154   // This can only be done after the CustomActor connection has been made...
 155   impl->Initialize();
 156
 157   return handle;
 158 }
 159
 160 void TextLabel::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value )
 161 {
 162   Toolkit::TextLabel label = Toolkit::TextLabel::DownCast( Dali::BaseHandle( object ) );
 163
 164   if( label )
 165   {
 166     TextLabel& impl( GetImpl( label ) );
 167     switch( index )
 168     {
 169       case Toolkit::TextLabel::Property::RENDERING_BACKEND:
 170       {
 171         DALI_LOG_WARNING("[%s] Using deprecated Property TextLabel::Property::RENDERING_BACKEND which is no longer supported and will be ignored\n", __FUNCTION__);
 172
 173         int backend = value.Get< int >();
 174
 175 #ifndef ENABLE_VECTOR_BASED_TEXT_RENDERING
 176         if( Text::RENDERING_VECTOR_BASED == backend )
 177         {
 178           backend = TextAbstraction::BITMAP_GLYPH; // Fallback to bitmap-based rendering
 179         }
 180 #endif
 181         if( impl.mRenderingBackend != backend )
 182         {
 183           impl.mRenderingBackend = backend;
 184           impl.mTextUpdateNeeded = true;
 185
 186           if( impl.mController )
 187           {
 188             // When using the vector-based rendering, the size of the GLyphs are different
 189             TextAbstraction::GlyphType glyphType = (Text::RENDERING_VECTOR_BASED == impl.mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
 190             impl.mController->SetGlyphType( glyphType );
 191           }
 192         }
 193         break;
 194       }
 195       case Toolkit::TextLabel::Property::TEXT:
 196       {
 197         if( impl.mController )
 198         {
 199           impl.mController->SetText( value.Get< std::string >() );
 200         }
 201         break;
 202       }
 203       case Toolkit::TextLabel::Property::FONT_FAMILY:
 204       {
 205         if( impl.mController )
 206         {
 207           const std::string& fontFamily = value.Get< std::string >();
 208
 209           DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextLabel::SetProperty Property::FONT_FAMILY newFont(%s)\n", fontFamily.c_str() );
 210           impl.mController->SetDefaultFontFamily( fontFamily );
 211         }
 212         break;
 213       }
 214       case Toolkit::TextLabel::Property::FONT_STYLE:
 215       {
 216         SetFontStyleProperty( impl.mController, value, Text::FontStyle::DEFAULT );
 217         break;
 218       }
 219       case Toolkit::TextLabel::Property::POINT_SIZE:
 220       {
 221         if( impl.mController )
 222         {
 223           const float pointSize = value.Get< float >();
 224
 225           if( !Equals( impl.mController->GetDefaultFontSize( Text::Controller::POINT_SIZE ), pointSize ) )
 226           {
 227             impl.mController->SetDefaultFontSize( pointSize, Text::Controller::POINT_SIZE );
 228           }
 229         }
 230         break;
 231       }
 232       case Toolkit::TextLabel::Property::MULTI_LINE:
 233       {
 234         if( impl.mController )
 235         {
 236           impl.mController->SetMultiLineEnabled( value.Get< bool >() );
 237         }
 238         break;
 239       }
 240       case Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT:
 241       {
 242         if( impl.mController )
 243         {
 244           Text::HorizontalAlignment::Type alignment( static_cast< Text::HorizontalAlignment::Type >( -1 ) ); // Set to invalid value to ensure a valid mode does get set
 245           if( Text::GetHorizontalAlignmentEnumeration( value, alignment ) )
 246           {
 247             impl.mController->SetHorizontalAlignment( alignment );
 248           }
 249         }
 250         break;
 251       }
 252       case Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT:
 253       {
 254         if( impl.mController )
 255         {
 256           Toolkit::Text::VerticalAlignment::Type alignment( static_cast< Text::VerticalAlignment::Type >( -1 ) ); // Set to invalid value to ensure a valid mode does get set
 257           if( Text::GetVerticalAlignmentEnumeration( value, alignment ) )
 258           {
 259             impl.mController->SetVerticalAlignment( alignment );
 260           }
 261         }
 262         break;
 263       }
 264
 265       case Toolkit::TextLabel::Property::UNUSED_PROPERTY_TEXT_COLOR:
 266       {
 267         label.SetProperty( Toolkit::TextLabel::Property::TEXT_COLOR, value );
 268         impl.mTextUpdateNeeded = true;
 269         break;
 270       }
 271
 272       case Toolkit::TextLabel::Property::SHADOW_OFFSET:
 273       {
 274         if( impl.mController )
 275         {
 276           const Vector2& shadowOffset = value.Get< Vector2 >();
 277           if ( impl.mController->GetShadowOffset() != shadowOffset )
 278           {
 279             impl.mController->SetShadowOffset( shadowOffset );
 280             impl.mTextUpdateNeeded = true;
 281           }
 282         }
 283         break;
 284       }
 285       case Toolkit::TextLabel::Property::SHADOW_COLOR:
 286       {
 287         if( impl.mController )
 288         {
 289           const Vector4& shadowColor = value.Get< Vector4 >();
 290           if ( impl.mController->GetShadowColor() != shadowColor )
 291           {
 292             impl.mController->SetShadowColor( shadowColor );
 293             impl.mTextUpdateNeeded = true;
 294           }
 295         }
 296         break;
 297       }
 298       case Toolkit::TextLabel::Property::UNDERLINE_COLOR:
 299       {
 300         if( impl.mController )
 301         {
 302           const Vector4& color = value.Get< Vector4 >();
 303           if ( impl.mController->GetUnderlineColor() != color )
 304           {
 305             impl.mController->SetUnderlineColor( color );
 306             impl.mTextUpdateNeeded = true;
 307           }
 308         }
 309         break;
 310       }
 311       case Toolkit::TextLabel::Property::UNDERLINE_ENABLED:
 312       {
 313         if( impl.mController )
 314         {
 315           const bool enabled = value.Get< bool >();
 316           if ( impl.mController->IsUnderlineEnabled() != enabled )
 317           {
 318             impl.mController->SetUnderlineEnabled( enabled );
 319             impl.mTextUpdateNeeded = true;
 320           }
 321         }
 322         break;
 323       }
 324
 325       case Toolkit::TextLabel::Property::UNDERLINE_HEIGHT:
 326       {
 327         if( impl.mController )
 328         {
 329           float height = value.Get< float >();
 330           if( fabsf( impl.mController->GetUnderlineHeight() - height ) > Math::MACHINE_EPSILON_1000 )
 331           {
 332             impl.mController->SetUnderlineHeight( height );
 333             impl.mTextUpdateNeeded = true;
 334           }
 335         }
 336         break;
 337       }
 338       case Toolkit::TextLabel::Property::ENABLE_MARKUP:
 339       {
 340         if( impl.mController )
 341         {
 342           const bool enableMarkup = value.Get<bool>();
 343           impl.mController->SetMarkupProcessorEnabled( enableMarkup );
 344         }
 345         break;
 346       }
 347       case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
 348       {
 349         if( impl.mController )
 350         {
 351           const bool enableAutoScroll = value.Get<bool>();
 352           // If request to auto scroll is the same as current state then do nothing.
 353           if ( enableAutoScroll != impl.mController->IsAutoScrollEnabled() )
 354           {
 355              // If request is disable (false) and auto scrolling is enabled then need to stop it
 356              if ( enableAutoScroll == false )
 357              {
 358                if( impl.mTextScroller )
 359                {
 360                  impl.mTextScroller->StopScrolling();
 361                }
 362              }
 363              // If request is enable (true) then start autoscroll as not already running
 364              else
 365              {
 366                impl.mController->SetTextElideEnabled( false );
 367                impl.mController->SetAutoScrollEnabled( enableAutoScroll );
 368              }
 369           }
 370         }
 371         break;
 372       }
 373       case Toolkit::TextLabel::Property::AUTO_SCROLL_STOP_MODE:
 374       {
 375         if( !impl.mTextScroller )
 376         {
 377           impl.mTextScroller = Text::TextScroller::New( impl );
 378         }
 379         Toolkit::TextLabel::AutoScrollStopMode::Type stopMode = impl.mTextScroller->GetStopMode();
 380         if( Scripting::GetEnumerationProperty< Toolkit::TextLabel::AutoScrollStopMode::Type >( value,
 381                                                                                                     AUTO_SCROLL_STOP_MODE_TABLE,
 382                                                                                                     AUTO_SCROLL_STOP_MODE_TABLE_COUNT,
 383                                                                                                     stopMode ) )
 384         {
 385             impl.mTextScroller->SetStopMode( stopMode );
 386         }
 387         break;
 388       }
 389       case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
 390       {
 391         if( !impl.mTextScroller )
 392         {
 393           impl.mTextScroller = Text::TextScroller::New( impl );
 394         }
 395         impl.mTextScroller->SetSpeed( value.Get<int>() );
 396         break;
 397       }
 398       case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
 399       {
 400         if( !impl.mTextScroller )
 401         {
 402           impl.mTextScroller = Text::TextScroller::New( impl );
 403         }
 404         impl.mTextScroller->SetLoopCount( value.Get<int>() );
 405         break;
 406       }
 407       case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
 408       {
 409          if( !impl.mTextScroller )
 410         {
 411           impl.mTextScroller = Text::TextScroller::New( impl );
 412         }
 413         impl.mTextScroller->SetLoopDelay( value.Get<float>() );
 414         break;
 415       }
 416       case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
 417       {
 418         if( !impl.mTextScroller )
 419         {
 420           impl.mTextScroller = Text::TextScroller::New( impl );
 421         }
 422         impl.mTextScroller->SetGap( value.Get<float>() );
 423         break;
 424       }
 425       case Toolkit::TextLabel::Property::LINE_SPACING:
 426       {
 427         if( impl.mController )
 428         {
 429           const float lineSpacing = value.Get<float>();
 430
 431           // Don't trigger anything if the line spacing didn't change
 432           if( impl.mController->SetDefaultLineSpacing( lineSpacing ) )
 433           {
 434             impl.mTextUpdateNeeded = true;
 435           }
 436         }
 437         break;
 438       }
 439       case Toolkit::TextLabel::Property::UNDERLINE:
 440       {
 441         const bool update = SetUnderlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
 442         if( update )
 443         {
 444           impl.mTextUpdateNeeded = true;
 445         }
 446         break;
 447       }
 448       case Toolkit::TextLabel::Property::SHADOW:
 449       {
 450         const bool update = SetShadowProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
 451         if( update )
 452         {
 453           impl.mTextUpdateNeeded = true;
 454         }
 455         break;
 456       }
 457       case Toolkit::TextLabel::Property::EMBOSS:
 458       {
 459         const bool update = SetEmbossProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
 460         if( update )
 461         {
 462           impl.mTextUpdateNeeded = true;
 463         }
 464         break;
 465       }
 466       case Toolkit::TextLabel::Property::OUTLINE:
 467       {
 468         const bool update = SetOutlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
 469         if( update )
 470         {
 471           impl.mTextUpdateNeeded = true;
 472         }
 473         break;
 474       }
 475       case Toolkit::TextLabel::Property::PIXEL_SIZE:
 476       {
 477         if( impl.mController )
 478         {
 479           const float pixelSize = value.Get< float >();
 480           DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel %p PIXEL_SIZE %f\n", impl.mController.Get(), pixelSize );
 481
 482           if( !Equals( impl.mController->GetDefaultFontSize( Text::Controller::PIXEL_SIZE ), pixelSize ) )
 483           {
 484             impl.mController->SetDefaultFontSize( pixelSize, Text::Controller::PIXEL_SIZE );
 485           }
 486         }
 487         break;
 488       }
 489       case Toolkit::TextLabel::Property::ELLIPSIS:
 490       {
 491         if( impl.mController )
 492         {
 493           const bool ellipsis = value.Get<bool>();
 494           DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel %p ELLIPSIS %d\n", impl.mController.Get(), ellipsis );
 495
 496           impl.mController->SetTextElideEnabled( ellipsis );
 497         }
 498         break;
 499       }
 500       case Toolkit::TextLabel::Property::LINE_WRAP_MODE:
 501       {
 502         if( impl.mController )
 503         {
 504           Text::LineWrap::Mode lineWrapMode( static_cast< Text::LineWrap::Mode >( -1 ) ); // Set to invalid value to ensure a valid mode does get set
 505           if( GetLineWrapModeEnumeration( value, lineWrapMode ) )
 506           {
 507             DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel %p LineWrap::MODE %d\n", impl.mController.Get(), lineWrapMode );
 508             impl.mController->SetLineWrapMode( lineWrapMode );
 509           }
 510         }
 511         break;
 512       }
 513       case Toolkit::DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT:
 514       {
 515         if( impl.mController && impl.mController->GetTextModel() )
 516         {
 517           DevelText::VerticalLineAlignment::Type alignment = static_cast<DevelText::VerticalLineAlignment::Type>( value.Get<int>() );
 518
 519           impl.mController->SetVerticalLineAlignment( alignment );
 520
 521           // Property doesn't affect the layout, only Visual must be updated
 522           TextVisual::EnableRendererUpdate( impl.mVisual );
 523
 524           // No need to trigger full re-layout. Instead call UpdateRenderer() directly
 525           TextVisual::UpdateRenderer( impl.mVisual );
 526         }
 527         break;
 528       }
 529       case Toolkit::DevelTextLabel::Property::BACKGROUND:
 530       {
 531         const bool update = SetBackgroundProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
 532         if( update )
 533         {
 534           impl.mTextUpdateNeeded = true;
 535         }
 536         break;
 537       }
 538       case Toolkit::DevelTextLabel::Property::IGNORE_SPACES_AFTER_TEXT:
 539       {
 540         impl.mController->SetIgnoreSpacesAfterText(value.Get< bool >());
 541         break;
 542       }
 543       case Toolkit::DevelTextLabel::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
 544       {
 545         impl.mController->SetMatchSystemLanguageDirection(value.Get< bool >());
 546         break;
 547       }
 548     }
 549
 550     // Request relayout when text update is needed. It's necessary to call it
 551     // as changing the property not via UI interaction brings no effect if only
 552     // the mTextUpdateNeeded is changed.
 553     if( impl.mTextUpdateNeeded )
 554     {
 555       // need to request relayout as size of text may have changed
 556       impl.RequestTextRelayout();
 557     }
 558   }
 559
 560
 561
 562
 563 }
 564
 565 Property::Value TextLabel::GetProperty( BaseObject* object, Property::Index index )
 566 {
 567   Property::Value value;
 568
 569   Toolkit::TextLabel label = Toolkit::TextLabel::DownCast( Dali::BaseHandle( object ) );
 570
 571   if( label )
 572   {
 573     TextLabel& impl( GetImpl( label ) );
 574     switch( index )
 575     {
 576       case Toolkit::TextLabel::Property::RENDERING_BACKEND:
 577       {
 578         DALI_LOG_WARNING("[%s] Using deprecated Property TextLabel::Property::RENDERING_BACKEND which is no longer supported and will be ignored\n", __FUNCTION__);
 579
 580         value = impl.mRenderingBackend;
 581         break;
 582       }
 583       case Toolkit::TextLabel::Property::TEXT:
 584       {
 585         if( impl.mController )
 586         {
 587           std::string text;
 588           impl.mController->GetText( text );
 589           value = text;
 590         }
 591         break;
 592       }
 593       case Toolkit::TextLabel::Property::FONT_FAMILY:
 594       {
 595         if( impl.mController )
 596         {
 597           value = impl.mController->GetDefaultFontFamily();
 598         }
 599         break;
 600       }
 601       case Toolkit::TextLabel::Property::FONT_STYLE:
 602       {
 603         GetFontStyleProperty( impl.mController, value, Text::FontStyle::DEFAULT );
 604         break;
 605       }
 606       case Toolkit::TextLabel::Property::POINT_SIZE:
 607       {
 608         if( impl.mController )
 609         {
 610           value = impl.mController->GetDefaultFontSize( Text::Controller::POINT_SIZE );
 611         }
 612         break;
 613       }
 614       case Toolkit::TextLabel::Property::MULTI_LINE:
 615       {
 616         if( impl.mController )
 617         {
 618           value = impl.mController->IsMultiLineEnabled();
 619         }
 620         break;
 621       }
 622       case Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT:
 623       {
 624         if( impl.mController )
 625         {
 626           const char* name = Text::GetHorizontalAlignmentString( impl.mController->GetHorizontalAlignment() );
 627
 628            if ( name )
 629            {
 630              value = std::string( name );
 631            }
 632         }
 633         break;
 634       }
 635       case Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT:
 636       {
 637         if( impl.mController )
 638         {
 639           const char* name = Text::GetVerticalAlignmentString( impl.mController->GetVerticalAlignment() );
 640           if( name )
 641           {
 642             value = std::string( name );
 643           }
 644         }
 645         break;
 646       }
 647       case Toolkit::TextLabel::Property::UNUSED_PROPERTY_TEXT_COLOR:
 648       {
 649         value = label.GetProperty( Toolkit::TextLabel::Property::TEXT_COLOR );
 650         break;
 651       }
 652       case Toolkit::TextLabel::Property::SHADOW_OFFSET:
 653       {
 654         if ( impl.mController )
 655         {
 656           value = impl.mController->GetShadowOffset();
 657         }
 658         break;
 659       }
 660       case Toolkit::TextLabel::Property::SHADOW_COLOR:
 661       {
 662         if ( impl.mController )
 663         {
 664           value = impl.mController->GetShadowColor();
 665         }
 666         break;
 667       }
 668       case Toolkit::TextLabel::Property::UNDERLINE_COLOR:
 669       {
 670         if ( impl.mController )
 671         {
 672           value = impl.mController->GetUnderlineColor();
 673         }
 674         break;
 675       }
 676       case Toolkit::TextLabel::Property::UNDERLINE_ENABLED:
 677       {
 678         if ( impl.mController )
 679         {
 680           value = impl.mController->IsUnderlineEnabled();
 681         }
 682         break;
 683       }
 684       case Toolkit::TextLabel::Property::UNDERLINE_HEIGHT:
 685       {
 686         if ( impl.mController )
 687         {
 688           value = impl.mController->GetUnderlineHeight();
 689         }
 690         break;
 691       }
 692       case Toolkit::TextLabel::Property::ENABLE_MARKUP:
 693       {
 694         if( impl.mController )
 695         {
 696           value = impl.mController->IsMarkupProcessorEnabled();
 697         }
 698         break;
 699       }
 700       case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
 701       {
 702         if( impl.mController )
 703         {
 704           value = impl.mController->IsAutoScrollEnabled();
 705         }
 706         break;
 707       }
 708       case Toolkit::TextLabel::Property::AUTO_SCROLL_STOP_MODE:
 709       {
 710         if( impl.mTextScroller )
 711         {
 712           const char* mode = Scripting::GetEnumerationName< Toolkit::TextLabel::AutoScrollStopMode::Type >( impl.mTextScroller->GetStopMode(),
 713                                                                                                                  AUTO_SCROLL_STOP_MODE_TABLE,
 714                                                                                                                  AUTO_SCROLL_STOP_MODE_TABLE_COUNT );
 715           if( mode )
 716           {
 717             value = std::string( mode );
 718           }
 719         }
 720         break;
 721       }
 722       case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
 723       {
 724         TextLabel& impl( GetImpl( label ) );
 725         if ( impl.mTextScroller )
 726         {
 727           value = impl.mTextScroller->GetSpeed();
 728         }
 729         break;
 730       }
 731       case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
 732       {
 733         if( impl.mController )
 734         {
 735           TextLabel& impl( GetImpl( label ) );
 736           if ( impl.mTextScroller )
 737           {
 738             value = impl.mTextScroller->GetLoopCount();
 739           }
 740         }
 741         break;
 742       }
 743       case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
 744       {
 745         if( impl.mController )
 746         {
 747           TextLabel& impl( GetImpl( label ) );
 748           if ( impl.mTextScroller )
 749           {
 750             value = impl.mTextScroller->GetLoopDelay();
 751           }
 752         }
 753         break;
 754       }
 755       case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
 756       {
 757         TextLabel& impl( GetImpl( label ) );
 758         if ( impl.mTextScroller )
 759         {
 760           value = impl.mTextScroller->GetGap();
 761         }
 762         break;
 763       }
 764       case Toolkit::TextLabel::Property::LINE_SPACING:
 765       {
 766         if( impl.mController )
 767         {
 768           value = impl.mController->GetDefaultLineSpacing();
 769         }
 770         break;
 771       }
 772       case Toolkit::TextLabel::Property::UNDERLINE:
 773       {
 774         GetUnderlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
 775         break;
 776       }
 777       case Toolkit::TextLabel::Property::SHADOW:
 778       {
 779         GetShadowProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
 780         break;
 781       }
 782       case Toolkit::TextLabel::Property::EMBOSS:
 783       {
 784         GetEmbossProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
 785         break;
 786       }
 787       case Toolkit::TextLabel::Property::OUTLINE:
 788       {
 789         GetOutlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
 790         break;
 791       }
 792       case Toolkit::TextLabel::Property::PIXEL_SIZE:
 793       {
 794         if( impl.mController )
 795         {
 796           value = impl.mController->GetDefaultFontSize( Text::Controller::PIXEL_SIZE );
 797         }
 798         break;
 799       }
 800       case Toolkit::TextLabel::Property::ELLIPSIS:
 801       {
 802         if( impl.mController )
 803         {
 804           value = impl.mController->IsTextElideEnabled();
 805         }
 806         break;
 807       }
 808       case Toolkit::TextLabel::Property::LINE_WRAP_MODE:
 809       {
 810         if( impl.mController )
 811         {
 812           value = impl.mController->GetLineWrapMode();
 813         }
 814         break;
 815       }
 816       case Toolkit::TextLabel::Property::LINE_COUNT:
 817       {
 818         if( impl.mController )
 819         {
 820           float width = label.GetProperty( Actor::Property::SIZE_WIDTH ).Get<float>();
 821           value = impl.mController->GetLineCount( width );
 822         }
 823         break;
 824       }
 825       case Toolkit::DevelTextLabel::Property::TEXT_DIRECTION:
 826       {
 827         if( impl.mController )
 828         {
 829           value = impl.mController->GetTextDirection();
 830         }
 831         break;
 832       }
 833       case Toolkit::DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT:
 834       {
 835         if( impl.mController )
 836         {
 837           value = impl.mController->GetVerticalLineAlignment();
 838         }
 839         break;
 840       }
 841       case Toolkit::DevelTextLabel::Property::BACKGROUND:
 842       {
 843         GetBackgroundProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
 844         break;
 845       }
 846       case Toolkit::DevelTextLabel::Property::IGNORE_SPACES_AFTER_TEXT:
 847       {
 848         value = impl.mController->IsIgnoreSpacesAfterText();
 849         break;
 850       }
 851       case Toolkit::DevelTextLabel::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
 852       {
 853         value = impl.mController->IsMatchSystemLanguageDirection();
 854         break;
 855       }
 856     }
 857   }
 858
 859   return value;
 860 }
 861
 862 void TextLabel::OnInitialize()
 863 {
 864   Actor self = Self();
 865
 866   Property::Map propertyMap;
 867   propertyMap.Add( Toolkit::Visual::Property::TYPE, Toolkit::Visual::TEXT );
 868
 869   mVisual =  Toolkit::VisualFactory::Get().CreateVisual( propertyMap );
 870   DevelControl::RegisterVisual( *this, Toolkit::TextLabel::Property::TEXT, mVisual  );
 871
 872   TextVisual::SetAnimatableTextColorProperty( mVisual, Toolkit::TextLabel::Property::TEXT_COLOR );
 873
 874   mController = TextVisual::GetController(mVisual);
 875   if( mController )
 876   {
 877     mController->SetControlInterface(this);
 878   }
 879
 880   // Use height-for-width negotiation by default
 881   self.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
 882   self.SetResizePolicy( ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT );
 883
 884   // Enable the text ellipsis.
 885   mController->SetTextElideEnabled( true );   // If false then text larger than control will overflow
 886
 887   // Sets layoutDirection value
 888   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>( self.GetProperty( Dali::Actor::Property::LAYOUT_DIRECTION ).Get<int>() );
 889   mController->SetLayoutDirection( layoutDirection );
 890
 891   Layout::Engine& engine = mController->GetLayoutEngine();
 892   engine.SetCursorWidth( 0u ); // Do not layout space for the cursor.
 893 }
 894
 895 void TextLabel::OnStyleChange( Toolkit::StyleManager styleManager, StyleChange::Type change )
 896 {
 897   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextLabel::OnStyleChange\n");
 898
 899   switch ( change )
 900   {
 901     case StyleChange::DEFAULT_FONT_CHANGE:
 902     {
 903       // Property system did not set the font so should update it.
 904       const std::string& newFont = GetImpl( styleManager ).GetDefaultFontFamily();
 905       DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::OnStyleChange StyleChange::DEFAULT_FONT_CHANGE newFont(%s)\n", newFont.c_str() );
 906       mController->UpdateAfterFontChange( newFont );
 907       RelayoutRequest();
 908       break;
 909     }
 910     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 911     {
 912       GetImpl( styleManager ).ApplyThemeStyle( Toolkit::Control( GetOwner() ) );
 913       RelayoutRequest();
 914       break;
 915     }
 916     case StyleChange::THEME_CHANGE:
 917     {
 918       // Nothing to do, let control base class handle this
 919       break;
 920     }
 921   }
 922
 923   // Up call to Control
 924   Control::OnStyleChange( styleManager, change );
 925 }
 926
 927 Vector3 TextLabel::GetNaturalSize()
 928 {
 929   Extents padding;
 930   padding = Self().GetProperty<Extents>( Toolkit::Control::Property::PADDING );
 931
 932   Vector3 naturalSize = mController->GetNaturalSize();
 933   naturalSize.width += ( padding.start + padding.end );
 934   naturalSize.height += ( padding.top + padding.bottom );
 935
 936   return naturalSize;
 937 }
 938
 939 float TextLabel::GetHeightForWidth( float width )
 940 {
 941   Extents padding;
 942   padding = Self().GetProperty<Extents>( Toolkit::Control::Property::PADDING );
 943
 944   return mController->GetHeightForWidth( width ) + padding.top + padding.bottom;
 945 }
 946
 947 void TextLabel::OnPropertySet( Property::Index index, Property::Value propertyValue )
 948 {
 949   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextLabel::OnPropertySet index[%d]\n", index );
 950
 951   switch ( index )
 952   {
 953     case Toolkit::TextLabel::Property::TEXT_COLOR:
 954     {
 955       const Vector4& textColor = propertyValue.Get< Vector4 >();
 956       if( mController->GetDefaultColor() != textColor )
 957       {
 958          mController->SetDefaultColor( textColor );
 959          mTextUpdateNeeded = true;
 960       }
 961       break;
 962     }
 963     default:
 964     {
 965       Control::OnPropertySet( index, propertyValue ); // up call to control for non-handled properties
 966       break;
 967     }
 968   }
 969 }
 970
 971 void TextLabel::OnRelayout( const Vector2& size, RelayoutContainer& container )
 972 {
 973   DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::OnRelayout\n" );
 974
 975   Extents padding;
 976   padding = Self().GetProperty<Extents>( Toolkit::Control::Property::PADDING );
 977
 978   Vector2 contentSize( size.x - ( padding.start + padding.end ), size.y - ( padding.top + padding.bottom ) );
 979
 980   // Support Right-To-Left
 981   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>( Self().GetProperty( Dali::Actor::Property::LAYOUT_DIRECTION ).Get<int>() );
 982
 983   const Text::Controller::UpdateTextType updateTextType = mController->Relayout( contentSize, layoutDirection );
 984
 985   if( ( Text::Controller::NONE_UPDATED != ( Text::Controller::MODEL_UPDATED & updateTextType ) )
 986      || mTextUpdateNeeded )
 987   {
 988     DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::OnRelayout IsAutoScrollEnabled[%s] [%p]\n", ( mController->IsAutoScrollEnabled())?"true":"false", this );
 989
 990     // Update the visual
 991     TextVisual::EnableRendererUpdate( mVisual );
 992
 993     // Support Right-To-Left of padding
 994     if( Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection )
 995     {
 996       std::swap( padding.start, padding.end );
 997     }
 998
 999     // Calculate the size of the visual that can fit the text
1000     Size layoutSize = mController->GetTextModel()->GetLayoutSize();
1001     layoutSize.x = contentSize.x;
1002
1003     const Vector2& shadowOffset = mController->GetTextModel()->GetShadowOffset();
1004     if ( shadowOffset.y > Math::MACHINE_EPSILON_1 )
1005     {
1006       layoutSize.y += shadowOffset.y;
1007     }
1008
1009     float outlineWidth = mController->GetTextModel()->GetOutlineWidth();
1010     layoutSize.y += outlineWidth * 2.0f;
1011     layoutSize.y = std::min( layoutSize.y, contentSize.y );
1012
1013     // Calculate the offset for vertical alignment only, as the layout engine will do the horizontal alignment.
1014     Vector2 alignmentOffset;
1015     alignmentOffset.x = 0.0f;
1016     alignmentOffset.y = ( contentSize.y - layoutSize.y ) * VERTICAL_ALIGNMENT_TABLE[mController->GetVerticalAlignment()];
1017
1018     Property::Map visualTransform;
1019     visualTransform.Add( Toolkit::Visual::Transform::Property::SIZE, layoutSize )
1020                    .Add( Toolkit::Visual::Transform::Property::SIZE_POLICY, Vector2( Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE ) )
1021                    .Add( Toolkit::Visual::Transform::Property::OFFSET, Vector2( padding.start, padding.top ) + alignmentOffset )
1022                    .Add( Toolkit::Visual::Transform::Property::OFFSET_POLICY, Vector2( Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE ) )
1023                    .Add( Toolkit::Visual::Transform::Property::ORIGIN, Toolkit::Align::TOP_BEGIN )
1024                    .Add( Toolkit::Visual::Transform::Property::ANCHOR_POINT, Toolkit::Align::TOP_BEGIN );
1025     mVisual.SetTransformAndSize( visualTransform, size );
1026
1027     if ( mController->IsAutoScrollEnabled() )
1028     {
1029       SetUpAutoScrolling();
1030     }
1031
1032     mTextUpdateNeeded = false;
1033   }
1034 }
1035
1036 void TextLabel::RequestTextRelayout()
1037 {
1038   RelayoutRequest();
1039   Toolkit::DevelControl::RequestLayout( *this );
1040 }
1041
1042 void TextLabel::SetUpAutoScrolling()
1043 {
1044   const Size& controlSize = mController->GetView().GetControlSize();
1045   const Size textNaturalSize = GetNaturalSize().GetVectorXY(); // As relayout of text may not be done at this point natural size is used to get size. Single line scrolling only.
1046   const Text::CharacterDirection direction = mController->GetAutoScrollDirection();
1047
1048   DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling textNaturalSize[%f,%f] controlSize[%f,%f]\n",
1049                  textNaturalSize.x,textNaturalSize.y , controlSize.x,controlSize.y );
1050
1051   if ( !mTextScroller )
1052   {
1053     DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling Creating default TextScoller\n" );
1054
1055     // If speed, loopCount or gap not set via property system then will need to create a TextScroller with defaults
1056     mTextScroller = Text::TextScroller::New( *this );
1057   }
1058
1059   // Calculate the actual gap before scrolling wraps.
1060   int textPadding = std::max( controlSize.x - textNaturalSize.x, 0.0f );
1061   float wrapGap = std::max( mTextScroller->GetGap(), textPadding );
1062   Vector2 textureSize = textNaturalSize + Vector2(wrapGap, 0.0f); // Add the gap as a part of the texture
1063
1064   // Create a texture of the text for scrolling
1065   Size verifiedSize = textureSize;
1066   const int maxTextureSize = Dali::GetMaxTextureSize();
1067
1068   //if the texture size width exceed maxTextureSize, modify the visual model size and enabled the ellipsis
1069   if( verifiedSize.width > maxTextureSize )
1070   {
1071     verifiedSize.width = maxTextureSize;
1072     if( textNaturalSize.width > maxTextureSize )
1073     {
1074       mController->SetTextElideEnabled( true );
1075     }
1076     GetHeightForWidth( maxTextureSize );
1077     wrapGap = std::max( maxTextureSize - textNaturalSize.width, 0.0f );
1078   }
1079
1080   Text::TypesetterPtr typesetter = Text::Typesetter::New( mController->GetTextModel() );
1081
1082   PixelData data = typesetter->Render( verifiedSize, mController->GetTextDirection(), Text::Typesetter::RENDER_TEXT_AND_STYLES, true, Pixel::RGBA8888 ); // ignore the horizontal alignment
1083   Texture texture = Texture::New( Dali::TextureType::TEXTURE_2D,
1084                                   data.GetPixelFormat(),
1085                                   data.GetWidth(),
1086                                   data.GetHeight() );
1087   texture.Upload( data );
1088
1089   TextureSet textureSet = TextureSet::New();
1090   textureSet.SetTexture( 0u, texture );
1091
1092   // Filter mode needs to be set to linear to produce better quality while scaling.
1093   Sampler sampler = Sampler::New();
1094   sampler.SetFilterMode( FilterMode::LINEAR, FilterMode::LINEAR );
1095   sampler.SetWrapMode( Dali::WrapMode::DEFAULT, Dali::WrapMode::REPEAT, Dali::WrapMode::DEFAULT ); // Wrap the texture in the x direction
1096   textureSet.SetSampler( 0u, sampler );
1097
1098   // Set parameters for scrolling
1099   Renderer renderer = static_cast<Internal::Visual::Base&>( GetImplementation( mVisual ) ).GetRenderer();
1100   mTextScroller->SetParameters( Self(), renderer, textureSet, controlSize, verifiedSize, wrapGap, direction, mController->GetHorizontalAlignment(), mController->GetVerticalAlignment() );
1101 }
1102
1103 void TextLabel::ScrollingFinished()
1104 {
1105   // Pure Virtual from TextScroller Interface
1106   DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::ScrollingFinished\n");
1107   mController->SetAutoScrollEnabled( false );
1108   mController->SetTextElideEnabled( true );
1109   RequestTextRelayout();
1110 }
1111
1112 TextLabel::TextLabel()
1113 : Control( ControlBehaviour( CONTROL_BEHAVIOUR_DEFAULT ) ),
1114   mRenderingBackend( DEFAULT_RENDERING_BACKEND ),
1115   mTextUpdateNeeded( false )
1116 {
1117 }
1118
1119 TextLabel::~TextLabel()
1120 {
1121 }
1122
1123 } // namespace Internal
1124
1125 } // namespace Toolkit
1126
1127 } // namespace Dali