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

   1 /*
   2  * Copyright (c) 2022 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/devel-api/actors/actor-devel.h>
  23 #include <dali/devel-api/adaptor-framework/image-loading.h>
  24 #include <dali/devel-api/common/stage.h>
  25 #include <dali/devel-api/object/property-helper-devel.h>
  26 #include <dali/integration-api/debug.h>
  27 #include <dali/public-api/common/dali-common.h>
  28 #include <dali/public-api/object/type-registry-helper.h>
  29
  30 // INTERNAL INCLUDES
  31 #include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
  32 #include <dali-toolkit/devel-api/text/rendering-backend.h>
  33 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  34 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  35 #include <dali-toolkit/internal/text/property-string-parser.h>
  36 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  37 #include <dali-toolkit/internal/text/text-definitions.h>
  38 #include <dali-toolkit/internal/text/text-effects-style.h>
  39 #include <dali-toolkit/internal/text/text-font-style.h>
  40 #include <dali-toolkit/internal/text/text-view.h>
  41 #include <dali-toolkit/public-api/text/text-enumerations.h>
  42
  43 #include <dali-toolkit/devel-api/controls/control-devel.h>
  44 #include <dali-toolkit/devel-api/visual-factory/visual-base.h>
  45 #include <dali-toolkit/devel-api/visual-factory/visual-factory.h>
  46 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  47 #include <dali-toolkit/public-api/align-enumerations.h>
  48 #include <dali-toolkit/public-api/visuals/text-visual-properties.h>
  49 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  50
  51 // DEVEL INCLUDES
  52 #include <dali-toolkit/devel-api/controls/text-controls/text-label-devel.h>
  53
  54 using namespace Dali::Toolkit::Text;
  55
  56 namespace Dali
  57 {
  58 namespace Toolkit
  59 {
  60 namespace Internal
  61 {
  62 namespace
  63 {
  64 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  65
  66 /**
  67  * @brief How the text visual should be aligned vertically inside the control.
  68  *
  69  * 0.0f aligns the text to the top, 0.5f aligns the text to the center, 1.0f aligns the text to the bottom.
  70  * The alignment depends on the alignment value of the text label (Use Text::VerticalAlignment enumerations).
  71  */
  72 const float VERTICAL_ALIGNMENT_TABLE[Text::VerticalAlignment::BOTTOM + 1] =
  73   {
  74     0.0f, // VerticalAlignment::TOP
  75     0.5f, // VerticalAlignment::CENTER
  76     1.0f  // VerticalAlignment::BOTTOM
  77 };
  78
  79 const std::string TEXT_FIT_ENABLE_KEY("enable");
  80 const std::string TEXT_FIT_MIN_SIZE_KEY("minSize");
  81 const std::string TEXT_FIT_MAX_SIZE_KEY("maxSize");
  82 const std::string TEXT_FIT_STEP_SIZE_KEY("stepSize");
  83 const std::string TEXT_FIT_FONT_SIZE_KEY("fontSize");
  84 const std::string TEXT_FIT_FONT_SIZE_TYPE_KEY("fontSizeType");
  85
  86 #if defined(DEBUG_ENABLED)
  87 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
  88 #endif
  89
  90 const Scripting::StringEnum AUTO_SCROLL_STOP_MODE_TABLE[] =
  91   {
  92     {"IMMEDIATE", Toolkit::TextLabel::AutoScrollStopMode::IMMEDIATE},
  93     {"FINISH_LOOP", Toolkit::TextLabel::AutoScrollStopMode::FINISH_LOOP},
  94 };
  95 const unsigned int AUTO_SCROLL_STOP_MODE_TABLE_COUNT = sizeof(AUTO_SCROLL_STOP_MODE_TABLE) / sizeof(AUTO_SCROLL_STOP_MODE_TABLE[0]);
  96
  97 // Type registration
  98 BaseHandle Create()
  99 {
 100   return Toolkit::TextLabel::New();
 101 }
 102
 103 // clang-format off
 104 // Setup properties, signals and actions using the type-registry.
 105 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::TextLabel, Toolkit::Control, Create);
 106
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "text",                         STRING,  TEXT                           )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "fontFamily",                   STRING,  FONT_FAMILY                    )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "fontStyle",                    MAP,     FONT_STYLE                     )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "pointSize",                    FLOAT,   POINT_SIZE                     )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "multiLine",                    BOOLEAN, MULTI_LINE                     )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "horizontalAlignment",          STRING,  HORIZONTAL_ALIGNMENT           )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "verticalAlignment",            STRING,  VERTICAL_ALIGNMENT             )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "enableMarkup",                 BOOLEAN, ENABLE_MARKUP                  )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "enableAutoScroll",             BOOLEAN, ENABLE_AUTO_SCROLL             )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "autoScrollSpeed",              INTEGER, AUTO_SCROLL_SPEED              )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "autoScrollLoopCount",          INTEGER, AUTO_SCROLL_LOOP_COUNT         )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "autoScrollGap",                FLOAT,   AUTO_SCROLL_GAP                )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "lineSpacing",                  FLOAT,   LINE_SPACING                   )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "underline",                    MAP,     UNDERLINE                      )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "shadow",                       MAP,     SHADOW                         )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "emboss",                       MAP,     EMBOSS                         )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "outline",                      MAP,     OUTLINE                        )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "pixelSize",                    FLOAT,   PIXEL_SIZE                     )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "ellipsis",                     BOOLEAN, ELLIPSIS                       )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "autoScrollLoopDelay",          FLOAT,   AUTO_SCROLL_LOOP_DELAY         )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "autoScrollStopMode",           STRING,  AUTO_SCROLL_STOP_MODE          )
 128 DALI_PROPERTY_REGISTRATION_READ_ONLY(Toolkit,       TextLabel, "lineCount",                    INTEGER, LINE_COUNT                     )
 129 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextLabel, "lineWrapMode",                 INTEGER, LINE_WRAP_MODE                 )
 130 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextLabel, "textDirection",                INTEGER, TEXT_DIRECTION                 )
 131 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "verticalLineAlignment",        INTEGER, VERTICAL_LINE_ALIGNMENT        )
 132 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "textBackground",               MAP,     BACKGROUND                     )
 133 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "ignoreSpacesAfterText",        BOOLEAN, IGNORE_SPACES_AFTER_TEXT       )
 134 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "matchSystemLanguageDirection", BOOLEAN, MATCH_SYSTEM_LANGUAGE_DIRECTION)
 135 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "textFit",                      MAP,     TEXT_FIT                       )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "minLineSize",                  FLOAT,   MIN_LINE_SIZE                  )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "renderingBackend",             INTEGER, RENDERING_BACKEND              )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "fontSizeScale",                FLOAT,   FONT_SIZE_SCALE                )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "enableFontSizeScale",          BOOLEAN, ENABLE_FONT_SIZE_SCALE         )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "ellipsisPosition",             INTEGER, ELLIPSIS_POSITION              )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "strikethrough",                MAP,     STRIKETHROUGH                  )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "characterSpacing",             FLOAT,   CHARACTER_SPACING              )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextLabel, "relativeLineSize",             FLOAT,   RELATIVE_LINE_SIZE             )
 144
 145 DALI_ANIMATABLE_PROPERTY_REGISTRATION_WITH_DEFAULT(Toolkit, TextLabel, "textColor",      Color::BLACK,     TEXT_COLOR   )
 146 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION(Toolkit,    TextLabel, "textColorRed",   TEXT_COLOR_RED,   TEXT_COLOR, 0)
 147 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION(Toolkit,    TextLabel, "textColorGreen", TEXT_COLOR_GREEN, TEXT_COLOR, 1)
 148 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION(Toolkit,    TextLabel, "textColorBlue",  TEXT_COLOR_BLUE,  TEXT_COLOR, 2)
 149 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION(Toolkit,    TextLabel, "textColorAlpha", TEXT_COLOR_ALPHA, TEXT_COLOR, 3)
 150
 151 DALI_SIGNAL_REGISTRATION(Toolkit, TextLabel, "anchorClicked", SIGNAL_ANCHOR_CLICKED)
 152 DALI_SIGNAL_REGISTRATION(Toolkit, TextLabel, "textFitChanged", SIGNAL_TEXT_FIT_CHANGED)
 153
 154 DALI_TYPE_REGISTRATION_END()
 155 // clang-format on
 156
 157 /// Parses the property map for the TEXT_FIT property
 158 void ParseTextFitProperty(Text::ControllerPtr& controller, const Property::Map* propertiesMap)
 159 {
 160   if(propertiesMap && !propertiesMap->Empty())
 161   {
 162     bool                     enabled      = false;
 163     float                    minSize      = 0.f;
 164     float                    maxSize      = 0.f;
 165     float                    stepSize     = 0.f;
 166     bool                     isMinSizeSet = false, isMaxSizeSet = false, isStepSizeSet = false;
 167     Controller::FontSizeType type = Controller::FontSizeType::POINT_SIZE;
 168
 169     const unsigned int numberOfItems = propertiesMap->Count();
 170
 171     // Parses and applies
 172     for(unsigned int index = 0u; index < numberOfItems; ++index)
 173     {
 174       const KeyValuePair& valueGet = propertiesMap->GetKeyValue(index);
 175
 176       if((Controller::TextFitInfo::Property::TEXT_FIT_ENABLE == valueGet.first.indexKey) || (TEXT_FIT_ENABLE_KEY == valueGet.first.stringKey))
 177       {
 178         /// Enable key.
 179         enabled = valueGet.second.Get<bool>();
 180       }
 181       else if((Controller::TextFitInfo::Property::TEXT_FIT_MIN_SIZE == valueGet.first.indexKey) || (TEXT_FIT_MIN_SIZE_KEY == valueGet.first.stringKey))
 182       {
 183         /// min size.
 184         minSize      = valueGet.second.Get<float>();
 185         isMinSizeSet = true;
 186       }
 187       else if((Controller::TextFitInfo::Property::TEXT_FIT_MAX_SIZE == valueGet.first.indexKey) || (TEXT_FIT_MAX_SIZE_KEY == valueGet.first.stringKey))
 188       {
 189         /// max size.
 190         maxSize      = valueGet.second.Get<float>();
 191         isMaxSizeSet = true;
 192       }
 193       else if((Controller::TextFitInfo::Property::TEXT_FIT_STEP_SIZE == valueGet.first.indexKey) || (TEXT_FIT_STEP_SIZE_KEY == valueGet.first.stringKey))
 194       {
 195         /// step size.
 196         stepSize      = valueGet.second.Get<float>();
 197         isStepSizeSet = true;
 198       }
 199       else if((Controller::TextFitInfo::Property::TEXT_FIT_FONT_SIZE_TYPE == valueGet.first.indexKey) || (TEXT_FIT_FONT_SIZE_TYPE_KEY == valueGet.first.stringKey))
 200       {
 201         if("pixelSize" == valueGet.second.Get<std::string>())
 202         {
 203           type = Controller::FontSizeType::PIXEL_SIZE;
 204         }
 205       }
 206     }
 207
 208     controller->SetTextFitEnabled(enabled);
 209     if(isMinSizeSet)
 210     {
 211       controller->SetTextFitMinSize(minSize, type);
 212     }
 213     if(isMaxSizeSet)
 214     {
 215       controller->SetTextFitMaxSize(maxSize, type);
 216     }
 217     if(isStepSizeSet)
 218     {
 219       controller->SetTextFitStepSize(stepSize, type);
 220     }
 221   }
 222 }
 223
 224 } // namespace
 225
 226 Toolkit::TextLabel TextLabel::New(ControlBehaviour additionalBehaviour)
 227 {
 228   // Create the implementation, temporarily owned by this handle on stack
 229   IntrusivePtr<TextLabel> impl = new TextLabel(additionalBehaviour);
 230
 231   // Pass ownership to CustomActor handle
 232   Toolkit::TextLabel handle(*impl);
 233
 234   // Second-phase init of the implementation
 235   // This can only be done after the CustomActor connection has been made...
 236   impl->Initialize();
 237
 238   return handle;
 239 }
 240
 241 void TextLabel::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 242 {
 243   Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(Dali::BaseHandle(object));
 244
 245   if(label)
 246   {
 247     TextLabel& impl(GetImpl(label));
 248     DALI_ASSERT_ALWAYS(impl.mController && "No text contoller");
 249
 250     switch(index)
 251     {
 252       case Toolkit::DevelTextLabel::Property::RENDERING_BACKEND:
 253       {
 254         int backend = value.Get<int>();
 255
 256 #ifndef ENABLE_VECTOR_BASED_TEXT_RENDERING
 257         if(DevelText::RENDERING_VECTOR_BASED == backend)
 258         {
 259           backend = TextAbstraction::BITMAP_GLYPH; // Fallback to bitmap-based rendering
 260         }
 261 #endif
 262         if(impl.mRenderingBackend != backend)
 263         {
 264           impl.mRenderingBackend = backend;
 265           impl.mTextUpdateNeeded = true;
 266
 267           // When using the vector-based rendering, the size of the GLyphs are different
 268           TextAbstraction::GlyphType glyphType = (DevelText::RENDERING_VECTOR_BASED == impl.mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
 269           impl.mController->SetGlyphType(glyphType);
 270         }
 271         break;
 272       }
 273       case Toolkit::TextLabel::Property::TEXT:
 274       {
 275         impl.mController->SetText(value.Get<std::string>());
 276
 277         if(impl.mController->HasAnchors())
 278         {
 279           // Forward input events to controller
 280           impl.EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
 281         }
 282         else
 283         {
 284           impl.DisableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
 285         }
 286
 287         break;
 288       }
 289       case Toolkit::TextLabel::Property::FONT_FAMILY:
 290       {
 291         const std::string& fontFamily = value.Get<std::string>();
 292
 293         DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::SetProperty Property::FONT_FAMILY newFont(%s)\n", fontFamily.c_str());
 294         impl.mController->SetDefaultFontFamily(fontFamily);
 295         break;
 296       }
 297       case Toolkit::TextLabel::Property::FONT_STYLE:
 298       {
 299         SetFontStyleProperty(impl.mController, value, Text::FontStyle::DEFAULT);
 300         break;
 301       }
 302       case Toolkit::TextLabel::Property::POINT_SIZE:
 303       {
 304         const float pointSize = value.Get<float>();
 305
 306         if(!Equals(impl.mController->GetDefaultFontSize(Text::Controller::POINT_SIZE), pointSize))
 307         {
 308           impl.mController->SetDefaultFontSize(pointSize, Text::Controller::POINT_SIZE);
 309         }
 310         break;
 311       }
 312       case Toolkit::TextLabel::Property::MULTI_LINE:
 313       {
 314         impl.mController->SetMultiLineEnabled(value.Get<bool>());
 315         break;
 316       }
 317       case Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT:
 318       {
 319         Text::HorizontalAlignment::Type alignment(static_cast<Text::HorizontalAlignment::Type>(-1)); // Set to invalid value to ensure a valid mode does get set
 320         if(Text::GetHorizontalAlignmentEnumeration(value, alignment))
 321         {
 322           impl.mController->SetHorizontalAlignment(alignment);
 323         }
 324         break;
 325       }
 326       case Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT:
 327       {
 328         Toolkit::Text::VerticalAlignment::Type alignment(static_cast<Text::VerticalAlignment::Type>(-1)); // Set to invalid value to ensure a valid mode does get set
 329         if(Text::GetVerticalAlignmentEnumeration(value, alignment))
 330         {
 331           impl.mController->SetVerticalAlignment(alignment);
 332         }
 333         break;
 334       }
 335       case Toolkit::TextLabel::Property::ENABLE_MARKUP:
 336       {
 337         const bool enableMarkup = value.Get<bool>();
 338         impl.mController->SetMarkupProcessorEnabled(enableMarkup);
 339
 340         if(impl.mController->HasAnchors())
 341         {
 342           // Forward input events to controller
 343           impl.EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
 344         }
 345         else
 346         {
 347           impl.DisableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
 348         }
 349         break;
 350       }
 351       case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
 352       {
 353         const bool enableAutoScroll = value.Get<bool>();
 354         impl.mLastAutoScrollEnabled = enableAutoScroll;
 355         // If request to auto scroll is the same as current state then do nothing.
 356         if(enableAutoScroll != impl.mController->IsAutoScrollEnabled())
 357         {
 358           // If request is disable (false) and auto scrolling is enabled then need to stop it
 359           if(enableAutoScroll == false)
 360           {
 361             if(impl.mTextScroller)
 362             {
 363               impl.mTextScroller->StopScrolling();
 364             }
 365           }
 366           // If request is enable (true) then start autoscroll as not already running
 367           else
 368           {
 369             impl.mController->SetAutoScrollEnabled(enableAutoScroll);
 370           }
 371         }
 372         break;
 373       }
 374       case Toolkit::TextLabel::Property::AUTO_SCROLL_STOP_MODE:
 375       {
 376         Text::TextScrollerPtr                        textScroller = impl.GetTextScroller();
 377         Toolkit::TextLabel::AutoScrollStopMode::Type stopMode     = textScroller->GetStopMode();
 378         if(Scripting::GetEnumerationProperty<Toolkit::TextLabel::AutoScrollStopMode::Type>(value,
 379                                                                                            AUTO_SCROLL_STOP_MODE_TABLE,
 380                                                                                            AUTO_SCROLL_STOP_MODE_TABLE_COUNT,
 381                                                                                            stopMode))
 382         {
 383           textScroller->SetStopMode(stopMode);
 384         }
 385         break;
 386       }
 387       case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
 388       {
 389         impl.GetTextScroller()->SetSpeed(value.Get<int>());
 390         break;
 391       }
 392       case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
 393       {
 394         impl.GetTextScroller()->SetLoopCount(value.Get<int>());
 395         break;
 396       }
 397       case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
 398       {
 399         impl.GetTextScroller()->SetLoopDelay(value.Get<float>());
 400         break;
 401       }
 402       case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
 403       {
 404         impl.GetTextScroller()->SetGap(value.Get<float>());
 405         break;
 406       }
 407       case Toolkit::TextLabel::Property::LINE_SPACING:
 408       {
 409         const float lineSpacing = value.Get<float>();
 410         impl.mTextUpdateNeeded  = impl.mController->SetDefaultLineSpacing(lineSpacing) || impl.mTextUpdateNeeded;
 411         break;
 412       }
 413       case Toolkit::TextLabel::Property::UNDERLINE:
 414       {
 415         impl.mTextUpdateNeeded = SetUnderlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
 416         break;
 417       }
 418       case Toolkit::TextLabel::Property::SHADOW:
 419       {
 420         impl.mTextUpdateNeeded = SetShadowProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
 421         break;
 422       }
 423       case Toolkit::TextLabel::Property::EMBOSS:
 424       {
 425         impl.mTextUpdateNeeded = SetEmbossProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
 426         break;
 427       }
 428       case Toolkit::TextLabel::Property::OUTLINE:
 429       {
 430         impl.mTextUpdateNeeded = SetOutlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
 431         break;
 432       }
 433       case Toolkit::TextLabel::Property::PIXEL_SIZE:
 434       {
 435         const float pixelSize = value.Get<float>();
 436         DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p PIXEL_SIZE %f\n", impl.mController.Get(), pixelSize);
 437
 438         if(!Equals(impl.mController->GetDefaultFontSize(Text::Controller::PIXEL_SIZE), pixelSize))
 439         {
 440           impl.mController->SetDefaultFontSize(pixelSize, Text::Controller::PIXEL_SIZE);
 441         }
 442         break;
 443       }
 444       case Toolkit::TextLabel::Property::ELLIPSIS:
 445       {
 446         const bool ellipsis = value.Get<bool>();
 447         DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p ELLIPSIS %d\n", impl.mController.Get(), ellipsis);
 448
 449         impl.mController->SetTextElideEnabled(ellipsis);
 450         break;
 451       }
 452       case Toolkit::TextLabel::Property::LINE_WRAP_MODE:
 453       {
 454         Text::LineWrap::Mode lineWrapMode(static_cast<Text::LineWrap::Mode>(-1)); // Set to invalid value to ensure a valid mode does get set
 455         if(GetLineWrapModeEnumeration(value, lineWrapMode))
 456         {
 457           DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p LineWrap::MODE %d\n", impl.mController.Get(), lineWrapMode);
 458           impl.mController->SetLineWrapMode(lineWrapMode);
 459         }
 460         break;
 461       }
 462       case Toolkit::DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT:
 463       {
 464         if(impl.mController->GetTextModel())
 465         {
 466           DevelText::VerticalLineAlignment::Type alignment = static_cast<DevelText::VerticalLineAlignment::Type>(value.Get<int>());
 467
 468           impl.mController->SetVerticalLineAlignment(alignment);
 469
 470           // Property doesn't affect the layout, only Visual must be updated
 471           TextVisual::EnableRendererUpdate(impl.mVisual);
 472
 473           // No need to trigger full re-layout. Instead call UpdateRenderer() directly
 474           TextVisual::UpdateRenderer(impl.mVisual);
 475         }
 476         break;
 477       }
 478       case Toolkit::DevelTextLabel::Property::BACKGROUND:
 479       {
 480         impl.mTextUpdateNeeded = SetBackgroundProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
 481         break;
 482       }
 483       case Toolkit::DevelTextLabel::Property::IGNORE_SPACES_AFTER_TEXT:
 484       {
 485         impl.mController->SetIgnoreSpacesAfterText(value.Get<bool>());
 486         break;
 487       }
 488       case Toolkit::DevelTextLabel::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
 489       {
 490         impl.mController->SetMatchLayoutDirection(value.Get<bool>() ? DevelText::MatchLayoutDirection::LOCALE : DevelText::MatchLayoutDirection::CONTENTS);
 491         break;
 492       }
 493       case Toolkit::DevelTextLabel::Property::TEXT_FIT:
 494       {
 495         ParseTextFitProperty(impl.mController, value.GetMap());
 496         impl.mController->SetTextFitChanged(true);
 497         break;
 498       }
 499       case Toolkit::DevelTextLabel::Property::MIN_LINE_SIZE:
 500       {
 501         const float lineSize   = value.Get<float>();
 502         impl.mTextUpdateNeeded = impl.mController->SetDefaultLineSize(lineSize) || impl.mTextUpdateNeeded;
 503         break;
 504       }
 505       case Toolkit::DevelTextLabel::Property::FONT_SIZE_SCALE:
 506       {
 507         const float scale = value.Get<float>();
 508         DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p FONT_SIZE_SCALE %f\n", impl.mController.Get(), scale);
 509
 510         if(!Equals(impl.mController->GetFontSizeScale(), scale))
 511         {
 512           impl.mController->SetFontSizeScale(scale);
 513         }
 514         break;
 515       }
 516       case Toolkit::DevelTextLabel::Property::ENABLE_FONT_SIZE_SCALE:
 517       {
 518         const bool enableFontSizeScale = value.Get<bool>();
 519         if(!Equals(impl.mController->IsFontSizeScaleEnabled(), enableFontSizeScale))
 520         {
 521           impl.mController->SetFontSizeScaleEnabled(enableFontSizeScale);
 522         }
 523         break;
 524       }
 525       case Toolkit::DevelTextLabel::Property::ELLIPSIS_POSITION:
 526       {
 527         DevelText::EllipsisPosition::Type ellipsisPositionType(static_cast<DevelText::EllipsisPosition::Type>(-1)); // Set to invalid value to ensure a valid mode does get set
 528         if(GetEllipsisPositionTypeEnumeration(value, ellipsisPositionType))
 529         {
 530           DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p EllipsisPosition::Type %d\n", impl.mController.Get(), ellipsisPositionType);
 531           impl.mController->SetEllipsisPosition(ellipsisPositionType);
 532         }
 533         break;
 534       }
 535       case Toolkit::DevelTextLabel::Property::STRIKETHROUGH:
 536       {
 537         impl.mTextUpdateNeeded = SetStrikethroughProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
 538         break;
 539       }
 540       case Toolkit::DevelTextLabel::Property::CHARACTER_SPACING:
 541       {
 542         const float characterSpacing = value.Get<float>();
 543         impl.mController->SetCharacterSpacing(characterSpacing);
 544         break;
 545       }
 546       case Toolkit::DevelTextLabel::Property::RELATIVE_LINE_SIZE:
 547       {
 548         const float relativeLineSize = value.Get<float>();
 549         DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel %p RELATIVE_LINE_SIZE %f\n", impl.mController.Get(), relativeLineSize);
 550
 551         impl.mController->SetRelativeLineSize(relativeLineSize);
 552         break;
 553       }
 554     }
 555
 556     // Request relayout when text update is needed. It's necessary to call it
 557     // as changing the property not via UI interaction brings no effect if only
 558     // the mTextUpdateNeeded is changed.
 559     if(impl.mTextUpdateNeeded)
 560     {
 561       // need to request relayout as size of text may have changed
 562       impl.RequestTextRelayout();
 563     }
 564   }
 565 }
 566
 567 Text::ControllerPtr TextLabel::GetTextController()
 568 {
 569   return mController;
 570 }
 571
 572 Property::Value TextLabel::GetProperty(BaseObject* object, Property::Index index)
 573 {
 574   Property::Value value;
 575
 576   Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(Dali::BaseHandle(object));
 577
 578   if(label)
 579   {
 580     TextLabel& impl(GetImpl(label));
 581     DALI_ASSERT_DEBUG(impl.mController && "No text contoller");
 582
 583     switch(index)
 584     {
 585       case Toolkit::DevelTextLabel::Property::RENDERING_BACKEND:
 586       {
 587         value = impl.mRenderingBackend;
 588         break;
 589       }
 590       case Toolkit::TextLabel::Property::TEXT:
 591       {
 592         std::string text;
 593         impl.mController->GetText(text);
 594         value = text;
 595         break;
 596       }
 597       case Toolkit::TextLabel::Property::FONT_FAMILY:
 598       {
 599         value = impl.mController->GetDefaultFontFamily();
 600         break;
 601       }
 602       case Toolkit::TextLabel::Property::FONT_STYLE:
 603       {
 604         GetFontStyleProperty(impl.mController, value, Text::FontStyle::DEFAULT);
 605         break;
 606       }
 607       case Toolkit::TextLabel::Property::POINT_SIZE:
 608       {
 609         value = impl.mController->GetDefaultFontSize(Text::Controller::POINT_SIZE);
 610         break;
 611       }
 612       case Toolkit::TextLabel::Property::MULTI_LINE:
 613       {
 614         value = impl.mController->IsMultiLineEnabled();
 615         break;
 616       }
 617       case Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT:
 618       {
 619         const char* name = Text::GetHorizontalAlignmentString(impl.mController->GetHorizontalAlignment());
 620
 621         if(name)
 622         {
 623           value = std::string(name);
 624         }
 625         break;
 626       }
 627       case Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT:
 628       {
 629         const char* name = Text::GetVerticalAlignmentString(impl.mController->GetVerticalAlignment());
 630         if(name)
 631         {
 632           value = std::string(name);
 633         }
 634         break;
 635       }
 636       case Toolkit::TextLabel::Property::ENABLE_MARKUP:
 637       {
 638         value = impl.mController->IsMarkupProcessorEnabled();
 639         break;
 640       }
 641       case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
 642       {
 643         value = impl.mController->IsAutoScrollEnabled();
 644         break;
 645       }
 646       case Toolkit::TextLabel::Property::AUTO_SCROLL_STOP_MODE:
 647       {
 648         if(impl.mTextScroller)
 649         {
 650           const char* mode = Scripting::GetEnumerationName<Toolkit::TextLabel::AutoScrollStopMode::Type>(impl.mTextScroller->GetStopMode(),
 651                                                                                                          AUTO_SCROLL_STOP_MODE_TABLE,
 652                                                                                                          AUTO_SCROLL_STOP_MODE_TABLE_COUNT);
 653           if(mode)
 654           {
 655             value = std::string(mode);
 656           }
 657         }
 658         break;
 659       }
 660       case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
 661       {
 662         if(impl.mTextScroller)
 663         {
 664           value = impl.mTextScroller->GetSpeed();
 665         }
 666         break;
 667       }
 668       case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
 669       {
 670         if(impl.mTextScroller)
 671         {
 672           value = impl.mTextScroller->GetLoopCount();
 673         }
 674         break;
 675       }
 676       case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
 677       {
 678         if(impl.mTextScroller)
 679         {
 680           value = impl.mTextScroller->GetLoopDelay();
 681         }
 682         break;
 683       }
 684       case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
 685       {
 686         if(impl.mTextScroller)
 687         {
 688           value = impl.mTextScroller->GetGap();
 689         }
 690         break;
 691       }
 692       case Toolkit::TextLabel::Property::LINE_SPACING:
 693       {
 694         value = impl.mController->GetDefaultLineSpacing();
 695         break;
 696       }
 697       case Toolkit::TextLabel::Property::UNDERLINE:
 698       {
 699         GetUnderlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
 700         break;
 701       }
 702       case Toolkit::TextLabel::Property::SHADOW:
 703       {
 704         GetShadowProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
 705         break;
 706       }
 707       case Toolkit::TextLabel::Property::EMBOSS:
 708       {
 709         GetEmbossProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
 710         break;
 711       }
 712       case Toolkit::TextLabel::Property::OUTLINE:
 713       {
 714         GetOutlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
 715         break;
 716       }
 717       case Toolkit::TextLabel::Property::PIXEL_SIZE:
 718       {
 719         value = impl.mController->GetDefaultFontSize(Text::Controller::PIXEL_SIZE);
 720         break;
 721       }
 722       case Toolkit::TextLabel::Property::ELLIPSIS:
 723       {
 724         value = impl.mController->IsTextElideEnabled();
 725         break;
 726       }
 727       case Toolkit::TextLabel::Property::LINE_WRAP_MODE:
 728       {
 729         value = impl.mController->GetLineWrapMode();
 730         break;
 731       }
 732       case Toolkit::TextLabel::Property::LINE_COUNT:
 733       {
 734         float width = label.GetProperty(Actor::Property::SIZE_WIDTH).Get<float>();
 735         value       = impl.mController->GetLineCount(width);
 736         break;
 737       }
 738       case Toolkit::DevelTextLabel::Property::TEXT_DIRECTION:
 739       {
 740         value = impl.mController->GetTextDirection();
 741         break;
 742       }
 743       case Toolkit::DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT:
 744       {
 745         value = impl.mController->GetVerticalLineAlignment();
 746         break;
 747       }
 748       case Toolkit::DevelTextLabel::Property::BACKGROUND:
 749       {
 750         GetBackgroundProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
 751         break;
 752       }
 753       case Toolkit::DevelTextLabel::Property::IGNORE_SPACES_AFTER_TEXT:
 754       {
 755         value = impl.mController->IsIgnoreSpacesAfterText();
 756         break;
 757       }
 758       case Toolkit::DevelTextLabel::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
 759       {
 760         value = impl.mController->GetMatchLayoutDirection() != DevelText::MatchLayoutDirection::CONTENTS;
 761         break;
 762       }
 763       case Toolkit::DevelTextLabel::Property::TEXT_FIT:
 764       {
 765         const bool  enabled   = impl.mController->IsTextFitEnabled();
 766         const float minSize   = impl.mController->GetTextFitMinSize();
 767         const float maxSize   = impl.mController->GetTextFitMaxSize();
 768         const float stepSize  = impl.mController->GetTextFitStepSize();
 769         const float pointSize = impl.mController->GetTextFitPointSize();
 770
 771         Property::Map map;
 772         map.Insert(TEXT_FIT_ENABLE_KEY, enabled);
 773         map.Insert(TEXT_FIT_MIN_SIZE_KEY, minSize);
 774         map.Insert(TEXT_FIT_MAX_SIZE_KEY, maxSize);
 775         map.Insert(TEXT_FIT_STEP_SIZE_KEY, stepSize);
 776         map.Insert(TEXT_FIT_FONT_SIZE_KEY, pointSize);
 777         map.Insert(TEXT_FIT_FONT_SIZE_TYPE_KEY, "pointSize");
 778
 779         value = map;
 780         break;
 781       }
 782       case Toolkit::DevelTextLabel::Property::MIN_LINE_SIZE:
 783       {
 784         value = impl.mController->GetDefaultLineSize();
 785         break;
 786       }
 787       case Toolkit::DevelTextLabel::Property::FONT_SIZE_SCALE:
 788       {
 789         value = impl.mController->GetFontSizeScale();
 790         break;
 791       }
 792       case Toolkit::DevelTextLabel::Property::ENABLE_FONT_SIZE_SCALE:
 793       {
 794         value = impl.mController->IsFontSizeScaleEnabled();
 795         break;
 796       }
 797       case Toolkit::DevelTextLabel::Property::ELLIPSIS_POSITION:
 798       {
 799         value = impl.mController->GetEllipsisPosition();
 800         break;
 801       }
 802       case Toolkit::DevelTextLabel::Property::STRIKETHROUGH:
 803       {
 804         GetStrikethroughProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
 805         break;
 806       }
 807       case Toolkit::DevelTextLabel::Property::CHARACTER_SPACING:
 808       {
 809         value = impl.mController->GetCharacterSpacing();
 810         break;
 811       }
 812       case Toolkit::DevelTextLabel::Property::RELATIVE_LINE_SIZE:
 813       {
 814         value = impl.mController->GetRelativeLineSize();
 815         break;
 816       }
 817     }
 818   }
 819
 820   return value;
 821 }
 822
 823 bool TextLabel::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 824 {
 825   Dali::BaseHandle handle(object);
 826
 827   bool               connected(true);
 828   Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(handle);
 829
 830   if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 831   {
 832     if(label)
 833     {
 834       Internal::TextLabel& labelImpl(GetImpl(label));
 835       labelImpl.AnchorClickedSignal().Connect(tracker, functor);
 836     }
 837   }
 838   else if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_FIT_CHANGED))
 839   {
 840     if(label)
 841     {
 842       Internal::TextLabel& labelImpl(GetImpl(label));
 843       labelImpl.TextFitChangedSignal().Connect(tracker, functor);
 844     }
 845   }
 846   else
 847   {
 848     // signalName does not match any signal
 849     connected = false;
 850   }
 851
 852   return connected;
 853 }
 854
 855 DevelTextLabel::AnchorClickedSignalType& TextLabel::AnchorClickedSignal()
 856 {
 857   return mAnchorClickedSignal;
 858 }
 859
 860 DevelTextLabel::TextFitChangedSignalType& TextLabel::TextFitChangedSignal()
 861 {
 862   return mTextFitChangedSignal;
 863 }
 864
 865 void TextLabel::OnInitialize()
 866 {
 867   Actor self = Self();
 868
 869   Property::Map propertyMap;
 870   propertyMap.Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::TEXT);
 871
 872   mVisual = Toolkit::VisualFactory::Get().CreateVisual(propertyMap);
 873   DevelControl::RegisterVisual(*this, Toolkit::TextLabel::Property::TEXT, mVisual);
 874
 875   TextVisual::SetAnimatableTextColorProperty(mVisual, Toolkit::TextLabel::Property::TEXT_COLOR);
 876
 877   mController = TextVisual::GetController(mVisual);
 878   DALI_ASSERT_DEBUG(mController && "Invalid Text Controller")
 879
 880   mController->SetControlInterface(this);
 881   mController->SetAnchorControlInterface(this);
 882
 883   // Use height-for-width negotiation by default
 884   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 885   self.SetResizePolicy(ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT);
 886
 887   // Enable the text ellipsis.
 888   mController->SetTextElideEnabled(true); // If false then text larger than control will overflow
 889
 890   // Sets layoutDirection value
 891   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 892   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 893   mController->SetLayoutDirection(layoutDirection);
 894
 895   self.LayoutDirectionChangedSignal().Connect(this, &TextLabel::OnLayoutDirectionChanged);
 896
 897   Layout::Engine& engine = mController->GetLayoutEngine();
 898   engine.SetCursorWidth(0u); // Do not layout space for the cursor.
 899
 900   // Accessibility
 901   self.SetProperty(DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::LABEL);
 902   self.SetProperty(DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 903
 904   Accessibility::Bridge::EnabledSignal().Connect(this, &TextLabel::OnAccessibilityStatusChanged);
 905   Accessibility::Bridge::DisabledSignal().Connect(this, &TextLabel::OnAccessibilityStatusChanged);
 906 }
 907
 908 DevelControl::ControlAccessible* TextLabel::CreateAccessibleObject()
 909 {
 910   return new TextLabelAccessible(Self());
 911 }
 912
 913 void TextLabel::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 914 {
 915   DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnStyleChange\n");
 916
 917   switch(change)
 918   {
 919     case StyleChange::DEFAULT_FONT_CHANGE:
 920     {
 921       // Property system did not set the font so should update it.
 922       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 923       DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnStyleChange StyleChange::DEFAULT_FONT_CHANGE newFont(%s)\n", newFont.c_str());
 924       mController->UpdateAfterFontChange(newFont);
 925       RelayoutRequest();
 926       break;
 927     }
 928     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 929     {
 930       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 931       RelayoutRequest();
 932       break;
 933     }
 934     case StyleChange::THEME_CHANGE:
 935     {
 936       // Nothing to do, let control base class handle this
 937       break;
 938     }
 939   }
 940
 941   // Up call to Control
 942   Control::OnStyleChange(styleManager, change);
 943 }
 944
 945 void TextLabel::OnTap(const TapGesture& gesture)
 946 {
 947   DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnTap %p\n", mController.Get());
 948
 949   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 950   Extents padding;
 951   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 952   const Vector2& localPoint = gesture.GetLocalPoint();
 953   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 954 }
 955
 956 void TextLabel::AnchorClicked(const std::string& href)
 957 {
 958   Dali::Toolkit::TextLabel handle(GetOwner());
 959   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 960 }
 961
 962 Vector3 TextLabel::GetNaturalSize()
 963 {
 964   Extents padding;
 965   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 966
 967   Vector3 naturalSize = mController->GetNaturalSize();
 968   naturalSize.width += (padding.start + padding.end);
 969   naturalSize.height += (padding.top + padding.bottom);
 970
 971   return naturalSize;
 972 }
 973
 974 float TextLabel::GetHeightForWidth(float width)
 975 {
 976   Extents padding;
 977   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 978
 979   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 980 }
 981
 982 void TextLabel::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
 983 {
 984   DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnPropertySet index[%d]\n", index);
 985
 986   switch(index)
 987   {
 988     case Toolkit::TextLabel::Property::TEXT_COLOR:
 989     {
 990       const Vector4& textColor = propertyValue.Get<Vector4>();
 991       if(mController->GetDefaultColor() != textColor)
 992       {
 993         mController->SetDefaultColor(textColor);
 994         mTextUpdateNeeded = true;
 995       }
 996       break;
 997     }
 998     case Toolkit::TextLabel::Property::TEXT:
 999     case Toolkit::TextLabel::Property::ENABLE_MARKUP:
1000     {
1001       CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
1002       break;
1003     }
1004     default:
1005     {
1006       Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
1007       break;
1008     }
1009   }
1010 }
1011
1012 void TextLabel::OnSceneConnection(int depth)
1013 {
1014   if(mController->IsAutoScrollEnabled() || mLastAutoScrollEnabled)
1015   {
1016     mController->SetAutoScrollEnabled(true);
1017   }
1018   Control::OnSceneConnection(depth);
1019 }
1020
1021 void TextLabel::OnSceneDisconnection()
1022 {
1023   if(mTextScroller)
1024   {
1025     if(mLastAutoScrollEnabled && !mController->IsAutoScrollEnabled())
1026     {
1027       mLastAutoScrollEnabled = false;
1028     }
1029
1030     const Toolkit::TextLabel::AutoScrollStopMode::Type stopMode = mTextScroller->GetStopMode();
1031     mTextScroller->SetStopMode(Toolkit::TextLabel::AutoScrollStopMode::IMMEDIATE);
1032     mTextScroller->StopScrolling();
1033     mTextScroller->SetStopMode(stopMode);
1034   }
1035   Control::OnSceneDisconnection();
1036 }
1037
1038 void TextLabel::OnRelayout(const Vector2& size, RelayoutContainer& container)
1039 {
1040   DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnRelayout\n");
1041
1042   Actor self = Self();
1043
1044   Extents padding;
1045   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
1046
1047   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
1048
1049   if(mController->IsTextFitEnabled())
1050   {
1051     mController->FitPointSizeforLayout(contentSize);
1052     mController->SetTextFitContentSize(contentSize);
1053   }
1054
1055   // Support Right-To-Left
1056   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
1057
1058   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
1059
1060   if((Text::Controller::NONE_UPDATED != (Text::Controller::MODEL_UPDATED & updateTextType)) || mTextUpdateNeeded)
1061   {
1062     DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnRelayout IsAutoScrollEnabled[%s] [%p]\n", (mController->IsAutoScrollEnabled()) ? "true" : "false", this);
1063
1064     // Update the visual
1065     TextVisual::EnableRendererUpdate(mVisual);
1066
1067     // Support Right-To-Left of padding
1068     if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
1069     {
1070       std::swap(padding.start, padding.end);
1071     }
1072
1073     // Calculate the size of the visual that can fit the text
1074     Size layoutSize = mController->GetTextModel()->GetLayoutSize();
1075     layoutSize.x    = contentSize.x;
1076
1077     const Vector2& shadowOffset = mController->GetTextModel()->GetShadowOffset();
1078     if(shadowOffset.y > Math::MACHINE_EPSILON_1)
1079     {
1080       layoutSize.y += shadowOffset.y;
1081     }
1082
1083     float outlineWidth = mController->GetTextModel()->GetOutlineWidth();
1084     layoutSize.y += outlineWidth * 2.0f;
1085     layoutSize.y = std::min(layoutSize.y, contentSize.y);
1086
1087     // Calculate the offset for vertical alignment only, as the layout engine will do the horizontal alignment.
1088     Vector2 alignmentOffset;
1089     alignmentOffset.x = 0.0f;
1090     alignmentOffset.y = (contentSize.y - layoutSize.y) * VERTICAL_ALIGNMENT_TABLE[mController->GetVerticalAlignment()];
1091
1092     const int maxTextureSize = Dali::GetMaxTextureSize();
1093     if(layoutSize.width > maxTextureSize)
1094     {
1095       DALI_LOG_WARNING("layoutSize(%f) > maxTextureSize(%d): To guarantee the behavior of Texture::New, layoutSize must not be bigger than maxTextureSize\n", layoutSize.width, maxTextureSize);
1096       layoutSize.width = maxTextureSize;
1097     }
1098
1099     Property::Map visualTransform;
1100     visualTransform.Add(Toolkit::Visual::Transform::Property::SIZE, layoutSize)
1101       .Add(Toolkit::Visual::Transform::Property::SIZE_POLICY, Vector2(Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE))
1102       .Add(Toolkit::Visual::Transform::Property::OFFSET, Vector2(padding.start, padding.top) + alignmentOffset)
1103       .Add(Toolkit::Visual::Transform::Property::OFFSET_POLICY, Vector2(Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE))
1104       .Add(Toolkit::Visual::Transform::Property::ORIGIN, Toolkit::Align::TOP_BEGIN)
1105       .Add(Toolkit::Visual::Transform::Property::ANCHOR_POINT, Toolkit::Align::TOP_BEGIN);
1106     mVisual.SetTransformAndSize(visualTransform, size);
1107
1108     if(mController->IsAutoScrollEnabled())
1109     {
1110       SetUpAutoScrolling();
1111     }
1112
1113     mTextUpdateNeeded = false;
1114   }
1115
1116   if(mController->IsTextFitChanged())
1117   {
1118     EmitTextFitChangedSignal();
1119     mController->SetTextFitChanged(false);
1120   }
1121 }
1122
1123 void TextLabel::RequestTextRelayout()
1124 {
1125   RelayoutRequest();
1126   // Signal that a Relayout may be needed
1127 }
1128
1129 void TextLabel::SetUpAutoScrolling()
1130 {
1131   const Size&                    controlSize     = mController->GetView().GetControlSize();
1132   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.
1133   const Text::CharacterDirection direction       = mController->GetAutoScrollDirection();
1134
1135   DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling textNaturalSize[%f,%f] controlSize[%f,%f]\n", textNaturalSize.x, textNaturalSize.y, controlSize.x, controlSize.y);
1136
1137   if(!mTextScroller)
1138   {
1139     DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling Creating default TextScoller\n");
1140
1141     // If speed, loopCount or gap not set via property system then will need to create a TextScroller with defaults
1142     mTextScroller = Text::TextScroller::New(*this);
1143   }
1144
1145   // Calculate the actual gap before scrolling wraps.
1146   int     textPadding = std::max(controlSize.x - textNaturalSize.x, 0.0f);
1147   float   wrapGap     = std::max(mTextScroller->GetGap(), textPadding);
1148   Vector2 textureSize = textNaturalSize + Vector2(wrapGap, 0.0f); // Add the gap as a part of the texture
1149
1150   // Create a texture of the text for scrolling
1151   Size      verifiedSize   = textureSize;
1152   const int maxTextureSize = Dali::GetMaxTextureSize();
1153
1154   //if the texture size width exceed maxTextureSize, modify the visual model size and enabled the ellipsis
1155   bool actualellipsis = mController->IsTextElideEnabled();
1156   if(verifiedSize.width > maxTextureSize)
1157   {
1158     verifiedSize.width = maxTextureSize;
1159     if(textNaturalSize.width > maxTextureSize)
1160     {
1161       mController->SetTextElideEnabled(true);
1162       mController->SetAutoScrollMaxTextureExceeded(true);
1163     }
1164     GetHeightForWidth(maxTextureSize);
1165     wrapGap = std::max(maxTextureSize - textNaturalSize.width, 0.0f);
1166   }
1167
1168   Text::TypesetterPtr typesetter = Text::Typesetter::New(mController->GetTextModel());
1169
1170   PixelData data    = typesetter->Render(verifiedSize, mController->GetTextDirection(), Text::Typesetter::RENDER_TEXT_AND_STYLES, true, Pixel::RGBA8888); // ignore the horizontal alignment
1171   Texture   texture = Texture::New(Dali::TextureType::TEXTURE_2D,
1172                                  data.GetPixelFormat(),
1173                                  data.GetWidth(),
1174                                  data.GetHeight());
1175   texture.Upload(data);
1176
1177   TextureSet textureSet = TextureSet::New();
1178   textureSet.SetTexture(0u, texture);
1179
1180   // Filter mode needs to be set to linear to produce better quality while scaling.
1181   Sampler sampler = Sampler::New();
1182   sampler.SetFilterMode(FilterMode::LINEAR, FilterMode::LINEAR);
1183   sampler.SetWrapMode(Dali::WrapMode::DEFAULT, Dali::WrapMode::REPEAT, Dali::WrapMode::DEFAULT); // Wrap the texture in the x direction
1184   textureSet.SetSampler(0u, sampler);
1185
1186   // Set parameters for scrolling
1187   Renderer renderer = static_cast<Internal::Visual::Base&>(GetImplementation(mVisual)).GetRenderer();
1188   mTextScroller->SetParameters(Self(), renderer, textureSet, controlSize, verifiedSize, wrapGap, direction, mController->GetHorizontalAlignment(), mController->GetVerticalAlignment());
1189   mController->SetTextElideEnabled(actualellipsis);
1190   mController->SetAutoScrollMaxTextureExceeded(false);
1191 }
1192
1193 void TextLabel::ScrollingFinished()
1194 {
1195   // Pure Virtual from TextScroller Interface
1196   DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::ScrollingFinished\n");
1197   mController->SetAutoScrollEnabled(false);
1198   RequestTextRelayout();
1199 }
1200
1201 void TextLabel::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1202 {
1203   mController->ChangedLayoutDirection();
1204 }
1205
1206 void TextLabel::EmitTextFitChangedSignal()
1207 {
1208   Dali::Toolkit::TextLabel handle(GetOwner());
1209   mTextFitChangedSignal.Emit(handle);
1210 }
1211
1212 void TextLabel::OnAccessibilityStatusChanged()
1213 {
1214   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
1215 }
1216
1217 TextLabel::TextLabel(ControlBehaviour additionalBehavior)
1218 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT | additionalBehavior)),
1219   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1220   mTextUpdateNeeded(false),
1221   mLastAutoScrollEnabled(false)
1222 {
1223 }
1224
1225 TextLabel::~TextLabel()
1226 {
1227 }
1228
1229 Vector<Vector2> TextLabel::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
1230 {
1231   return mController->GetTextSize(startIndex, endIndex);
1232 }
1233
1234 Vector<Vector2> TextLabel::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
1235 {
1236   return mController->GetTextPosition(startIndex, endIndex);
1237 }
1238
1239 std::string TextLabel::TextLabelAccessible::GetNameRaw() const
1240 {
1241   return GetWholeText();
1242 }
1243
1244 Property::Index TextLabel::TextLabelAccessible::GetNamePropertyIndex()
1245 {
1246   return Toolkit::TextLabel::Property::TEXT;
1247 }
1248
1249 const std::vector<Toolkit::TextAnchor>& TextLabel::TextLabelAccessible::GetTextAnchors() const
1250 {
1251   auto self = Toolkit::TextLabel::DownCast(Self());
1252
1253   return Toolkit::GetImpl(self).mAnchorActors;
1254 }
1255
1256 Toolkit::Text::ControllerPtr TextLabel::TextLabelAccessible::GetTextController() const
1257 {
1258   auto self = Toolkit::TextLabel::DownCast(Self());
1259
1260   return Toolkit::GetImpl(self).GetTextController();
1261 }
1262
1263 } // namespace Internal
1264
1265 } // namespace Toolkit
1266
1267 } // namespace Dali