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

   1 /*
   2  * Copyright (c) 2021 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-editor-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/devel-api/actors/actor-devel.h>
  23 #include <dali/devel-api/common/stage.h>
  24 #include <dali/devel-api/object/property-helper-devel.h>
  25 #include <dali/integration-api/adaptor-framework/adaptor.h>
  26 #include <dali/integration-api/debug.h>
  27 #include <dali/public-api/actors/layer.h>
  28 #include <dali/public-api/adaptor-framework/key.h>
  29 #include <dali/public-api/common/dali-common.h>
  30 #include <dali/public-api/object/type-registry-helper.h>
  31 #include <cstring>
  32 #include <limits>
  33
  34 // INTERNAL INCLUDES
  35 #include <dali-toolkit/devel-api/controls/control-devel.h>
  36 #include <dali-toolkit/devel-api/focus-manager/keyinput-focus-manager.h>
  37 #include <dali-toolkit/devel-api/text/rendering-backend.h>
  38 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
  39 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  40 #include <dali-toolkit/internal/controls/text-controls/text-editor-property-handler.h>
  41 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  42 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  43 #include <dali-toolkit/internal/text/text-effects-style.h>
  44 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  45 #include <dali-toolkit/internal/text/text-font-style.h>
  46 #include <dali-toolkit/internal/text/text-view.h>
  47 #include <dali-toolkit/public-api/text/text-enumerations.h>
  48 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  49 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  50
  51 using namespace Dali::Toolkit::Text;
  52
  53 #if defined(DEBUG_ENABLED)
  54 Debug::Filter* gTextEditorLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  55 #endif
  56
  57 namespace Dali
  58 {
  59 namespace Toolkit
  60 {
  61 namespace Internal
  62 {
  63 namespace // unnamed namespace
  64 {
  65 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  66 const float        DEFAULT_SCROLL_SPEED      = 1200.f; ///< The default scroll speed for the text editor in pixels/second.
  67 } // unnamed namespace
  68
  69 namespace
  70 {
  71 const char* const SCROLL_BAR_POSITION("sourcePosition");
  72 const char* const SCROLL_BAR_POSITION_MIN("sourcePositionMin");
  73 const char* const SCROLL_BAR_POSITION_MAX("sourcePositionMax");
  74 const char* const SCROLL_BAR_CONTENT_SIZE("sourceContentSize");
  75
  76 // Type registration
  77 BaseHandle Create()
  78 {
  79   return Toolkit::TextEditor::New();
  80 }
  81
  82 // clang-format off
  83 // Setup properties, signals and actions using the type-registry.
  84 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::TextEditor, Toolkit::Control, Create);
  85
  86 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "text",                                 STRING,    TEXT                                )
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "textColor",                            VECTOR4,   TEXT_COLOR                          )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontFamily",                           STRING,    FONT_FAMILY                         )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontStyle",                            MAP,       FONT_STYLE                          )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pointSize",                            FLOAT,     POINT_SIZE                          )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "horizontalAlignment",                  STRING,    HORIZONTAL_ALIGNMENT                )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollThreshold",                      FLOAT,     SCROLL_THRESHOLD                    )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollSpeed",                          FLOAT,     SCROLL_SPEED                        )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "primaryCursorColor",                   VECTOR4,   PRIMARY_CURSOR_COLOR                )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "secondaryCursorColor",                 VECTOR4,   SECONDARY_CURSOR_COLOR              )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableCursorBlink",                    BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkInterval",                  FLOAT,     CURSOR_BLINK_INTERVAL               )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkDuration",                  FLOAT,     CURSOR_BLINK_DURATION               )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorWidth",                          INTEGER,   CURSOR_WIDTH                        )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandleImage",                      STRING,    GRAB_HANDLE_IMAGE                   )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandlePressedImage",               STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageLeft",             MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageRight",            MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageLeft",      MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageRight",     MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageLeft",       MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageRight",      MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHighlightColor",              VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "decorationBoundingBox",                RECTANGLE, DECORATION_BOUNDING_BOX             )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableMarkup",                         BOOLEAN,   ENABLE_MARKUP                       )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputColor",                           VECTOR4,   INPUT_COLOR                         )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontFamily",                      STRING,    INPUT_FONT_FAMILY                   )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontStyle",                       MAP,       INPUT_FONT_STYLE                    )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputPointSize",                       FLOAT,     INPUT_POINT_SIZE                    )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineSpacing",                          FLOAT,     LINE_SPACING                        )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputLineSpacing",                     FLOAT,     INPUT_LINE_SPACING                  )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "underline",                            MAP,       UNDERLINE                           )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputUnderline",                       MAP,       INPUT_UNDERLINE                     )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "shadow",                               MAP,       SHADOW                              )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputShadow",                          MAP,       INPUT_SHADOW                        )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "emboss",                               MAP,       EMBOSS                              )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputEmboss",                          MAP,       INPUT_EMBOSS                        )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "outline",                              MAP,       OUTLINE                             )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputOutline",                         MAP,       INPUT_OUTLINE                       )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScroll",                         BOOLEAN,   SMOOTH_SCROLL                       )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScrollDuration",                 FLOAT,     SMOOTH_SCROLL_DURATION              )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableScrollBar",                      BOOLEAN,   ENABLE_SCROLL_BAR                   )
 128 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarShowDuration",                FLOAT,     SCROLL_BAR_SHOW_DURATION            )
 129 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarFadeDuration",                FLOAT,     SCROLL_BAR_FADE_DURATION            )
 130 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pixelSize",                            FLOAT,     PIXEL_SIZE                          )
 131 DALI_PROPERTY_REGISTRATION_READ_ONLY(Toolkit,       TextEditor, "lineCount",                            INTEGER,   LINE_COUNT                          )
 132 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableSelection",                      BOOLEAN,   ENABLE_SELECTION                    )
 133 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "placeholder",                          MAP,       PLACEHOLDER                         )
 134 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineWrapMode",                         INTEGER,   LINE_WRAP_MODE                      )
 135 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderText",                      STRING,    PLACEHOLDER_TEXT                    )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderTextColor",                 VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableShiftSelection",                 BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandle",                     BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "matchSystemLanguageDirection",         BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "renderingBackend",                     INTEGER,   RENDERING_BACKEND                   )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "maxLength",                            INTEGER,   MAX_LENGTH                          )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextStart",                    INTEGER,   SELECTED_TEXT_START                 )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextEnd",                      INTEGER,   SELECTED_TEXT_END                   )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "horizontalScrollPosition",             FLOAT,     HORIZONTAL_SCROLL_POSITION          )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalScrollPosition",               INTEGER,   VERTICAL_SCROLL_POSITION            )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableEditing",                        BOOLEAN,   ENABLE_EDITING                      )
 147 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextEditor, "selectedText",                         STRING,    SELECTED_TEXT                       )
 148 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "fontSizeScale",                        FLOAT,     FONT_SIZE_SCALE                     )
 149 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "primaryCursorPosition",                INTEGER,   PRIMARY_CURSOR_POSITION             )
 150 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "grabHandleColor",                      VECTOR4,   GRAB_HANDLE_COLOR                   )
 151 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandlePopup",                BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 152 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputMethodSettings",                  MAP,       INPUT_METHOD_SETTINGS               )
 153 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputFilter",                          MAP,       INPUT_FILTER                        )
 154 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsis",                             BOOLEAN,   ELLIPSIS                            )
 155 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsisPosition",                     INTEGER,   ELLIPSIS_POSITION                   )
 156 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "minLineSize",                          FLOAT,     MIN_LINE_SIZE                       )
 157
 158 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "textChanged",           SIGNAL_TEXT_CHANGED           )
 159 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 160 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 161 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 162 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 163 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 164 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 165 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 166
 167 DALI_TYPE_REGISTRATION_END()
 168 // clang-format on
 169
 170 Toolkit::TextEditor::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 171 {
 172   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 173
 174   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 175   {
 176     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 177   }
 178   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 179   {
 180     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 181   }
 182   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 183   {
 184     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 185   }
 186   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 187   {
 188     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 189   }
 190   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 191   {
 192     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 193   }
 194   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 195   {
 196     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 197   }
 198   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 199   {
 200     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 201   }
 202   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 203   {
 204     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 205   }
 206   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 207   {
 208     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 209   }
 210   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 211   {
 212     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 213   }
 214   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 215   {
 216     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
 217   }
 218   return editorInputStyleMask;
 219 }
 220
 221 } // namespace
 222
 223 Toolkit::TextEditor TextEditor::New()
 224 {
 225   // Create the implementation, temporarily owned by this handle on stack
 226   IntrusivePtr<TextEditor> impl = new TextEditor();
 227
 228   // Pass ownership to CustomActor handle
 229   Toolkit::TextEditor handle(*impl);
 230
 231   // Second-phase init of the implementation
 232   // This can only be done after the CustomActor connection has been made...
 233   impl->Initialize();
 234
 235   return handle;
 236 }
 237
 238 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 239 {
 240   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 241
 242   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 243
 244   if(textEditor)
 245   {
 246     PropertyHandler::SetProperty(textEditor, index, value);
 247   }
 248 }
 249
 250 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 251 {
 252   Property::Value value;
 253
 254   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 255
 256   if(textEditor)
 257   {
 258     value = PropertyHandler::GetProperty(textEditor, index);
 259   }
 260   return value;
 261 }
 262
 263 void TextEditor::SelectWholeText()
 264 {
 265   if(mController && mController->IsShowingRealText())
 266   {
 267     mController->SelectWholeText();
 268     SetKeyInputFocus();
 269   }
 270 }
 271
 272 void TextEditor::SelectNone()
 273 {
 274   if(mController && mController->IsShowingRealText())
 275   {
 276     mController->SelectNone();
 277   }
 278 }
 279
 280 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 281 {
 282   if(mController && mController->IsShowingRealText())
 283   {
 284     mController->SelectText(start, end);
 285     SetKeyInputFocus();
 286   }
 287 }
 288
 289 string TextEditor::CopyText()
 290 {
 291   string copiedText = "";
 292   if(mController && mController->IsShowingRealText())
 293   {
 294     copiedText = mController->CopyText();
 295   }
 296   return copiedText;
 297 }
 298
 299 string TextEditor::CutText()
 300 {
 301   string cutText = "";
 302   if(mController && mController->IsShowingRealText())
 303   {
 304     cutText = mController->CutText();
 305   }
 306   return cutText;
 307 }
 308
 309 void TextEditor::PasteText()
 310 {
 311   if(mController)
 312   {
 313     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 314     mController->PasteText();
 315   }
 316 }
 317
 318 void TextEditor::ScrollBy(Vector2 scroll)
 319 {
 320   if(mController && mController->IsShowingRealText())
 321   {
 322     mController->ScrollBy(scroll);
 323   }
 324 }
 325
 326 float TextEditor::GetHorizontalScrollPosition()
 327 {
 328   if(mController && mController->IsShowingRealText())
 329   {
 330     return mController->GetHorizontalScrollPosition();
 331   }
 332   return 0;
 333 }
 334
 335 float TextEditor::GetVerticalScrollPosition()
 336 {
 337   if(mController && mController->IsShowingRealText())
 338   {
 339     return mController->GetVerticalScrollPosition();
 340   }
 341   return 0;
 342 }
 343
 344 string TextEditor::GetSelectedText() const
 345 {
 346   string selectedText = "";
 347   if(mController && mController->IsShowingRealText())
 348   {
 349     selectedText = mController->GetSelectedText();
 350   }
 351   return selectedText;
 352 }
 353
 354 InputMethodContext TextEditor::GetInputMethodContext()
 355 {
 356   return mInputMethodContext;
 357 }
 358
 359 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 360 {
 361   return mMaxLengthReachedSignal;
 362 }
 363
 364 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 365 {
 366   return mAnchorClickedSignal;
 367 }
 368
 369 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 370 {
 371   return mCursorPositionChangedSignal;
 372 }
 373
 374 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 375 {
 376   return mInputFilteredSignal;
 377 }
 378
 379 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 380 {
 381   return mSelectionChangedSignal;
 382 }
 383
 384 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 385 {
 386   return mSelectionClearedSignal;
 387 }
 388
 389 Text::ControllerPtr TextEditor::GetTextController()
 390 {
 391   return mController;
 392 }
 393
 394 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 395 {
 396   Dali::BaseHandle handle(object);
 397
 398   bool                connected(true);
 399   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 400
 401   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 402   {
 403     editor.TextChangedSignal().Connect(tracker, functor);
 404   }
 405   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 406   {
 407     editor.InputStyleChangedSignal().Connect(tracker, functor);
 408   }
 409   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 410   {
 411     if(editor)
 412     {
 413       Internal::TextEditor& editorImpl(GetImpl(editor));
 414       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 415     }
 416   }
 417   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 418   {
 419     if(editor)
 420     {
 421       Internal::TextEditor& editorImpl(GetImpl(editor));
 422       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 423     }
 424   }
 425   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 426   {
 427     if(editor)
 428     {
 429       Internal::TextEditor& editorImpl(GetImpl(editor));
 430       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 431     }
 432   }
 433   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 434   {
 435     if(editor)
 436     {
 437       Internal::TextEditor& editorImpl(GetImpl(editor));
 438       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 439     }
 440   }
 441   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 442   {
 443     if(editor)
 444     {
 445       Internal::TextEditor& editorImpl(GetImpl(editor));
 446       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 447     }
 448   }
 449   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 450   {
 451     if(editor)
 452     {
 453       Internal::TextEditor& editorImpl(GetImpl(editor));
 454       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 455     }
 456   }
 457   else
 458   {
 459     // signalName does not match any signal
 460     connected = false;
 461   }
 462
 463   return connected;
 464 }
 465
 466 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 467 {
 468   return mTextChangedSignal;
 469 }
 470
 471 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 472 {
 473   return mInputStyleChangedSignal;
 474 }
 475
 476 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 477 {
 478   return mScrollStateChangedSignal;
 479 }
 480
 481 void TextEditor::OnAccessibilityStatusChanged()
 482 {
 483   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 484 }
 485
 486 void TextEditor::OnInitialize()
 487 {
 488   Actor self = Self();
 489
 490   mController = Text::Controller::New(this, this, this, this);
 491
 492   mDecorator = Text::Decorator::New(*mController,
 493                                     *mController);
 494
 495   mInputMethodContext = InputMethodContext::New(self);
 496
 497   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 498
 499   // Enables the text input.
 500   mController->EnableTextInput(mDecorator, mInputMethodContext);
 501
 502   // Enables the vertical scrolling after the text input has been enabled.
 503   mController->SetVerticalScrollEnabled(true);
 504
 505   // Disables the horizontal scrolling.
 506   mController->SetHorizontalScrollEnabled(false);
 507
 508   // Sets the maximum number of characters.
 509   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 510
 511   // Enable the smooth handle panning.
 512   mController->SetSmoothHandlePanEnabled(true);
 513
 514   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 515   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 516
 517   // Sets layoutDirection value
 518   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 519   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 520   mController->SetLayoutDirection(layoutDirection);
 521
 522   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 523
 524   // Forward input events to controller
 525   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 526   GetTapGestureDetector().SetMaximumTapsRequired(2);
 527   GetTapGestureDetector().ReceiveAllTapEvents(true);
 528
 529   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 530
 531   // Set BoundingBox to stage size if not already set.
 532   Rect<int> boundingBox;
 533   mDecorator->GetBoundingBox(boundingBox);
 534
 535   if(boundingBox.IsEmpty())
 536   {
 537     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 538     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 539   }
 540
 541   // Whether to flip the selection handles as soon as they cross.
 542   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 543
 544   // Set the default scroll speed.
 545   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 546
 547   // Fill-parent area by default
 548   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 549   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 550   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 551
 552   //Enable highightability
 553   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 554
 555   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 556
 557   // Creates an extra control to be used as stencil buffer.
 558   mStencil = Control::New();
 559   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 560   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 561
 562   // Creates a background visual. Even if the color is transparent it updates the stencil.
 563   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 564                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 565
 566   // Enable the clipping property.
 567   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 568   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 569
 570   self.Add(mStencil);
 571
 572   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 573     return std::unique_ptr<Dali::Accessibility::Accessible>(
 574       new AccessibleImpl(actor, Dali::Accessibility::Role::ENTRY));
 575   });
 576
 577   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 578   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 579 }
 580
 581 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 582 {
 583   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 584
 585   switch(change)
 586   {
 587     case StyleChange::DEFAULT_FONT_CHANGE:
 588     {
 589       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 590       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 591       // Property system did not set the font so should update it.
 592       mController->UpdateAfterFontChange(newFont);
 593       RelayoutRequest();
 594       break;
 595     }
 596
 597     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 598     {
 599       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 600       RelayoutRequest();
 601       break;
 602     }
 603     case StyleChange::THEME_CHANGE:
 604     {
 605       // Nothing to do, let control base class handle this
 606       break;
 607     }
 608   }
 609
 610   // Up call to Control
 611   Control::OnStyleChange(styleManager, change);
 612 }
 613
 614 Vector3 TextEditor::GetNaturalSize()
 615 {
 616   Extents padding;
 617   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 618
 619   Vector3 naturalSize = mController->GetNaturalSize();
 620   naturalSize.width += (padding.start + padding.end);
 621   naturalSize.height += (padding.top + padding.bottom);
 622
 623   return naturalSize;
 624 }
 625
 626 float TextEditor::GetHeightForWidth(float width)
 627 {
 628   Extents padding;
 629   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 630   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 631 }
 632
 633 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 634 {
 635   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 636   {
 637     actor.SetProperty(Actor::Property::SIZE, size);
 638   }
 639 }
 640
 641 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 642 {
 643   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 644
 645   Actor self = Self();
 646
 647   Extents padding;
 648   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 649
 650   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 651
 652   // Support Right-To-Left of padding
 653   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 654
 655   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 656   {
 657     std::swap(padding.start, padding.end);
 658   }
 659
 660   if(mStencil)
 661   {
 662     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 663     ResizeActor(mStencil, contentSize);
 664   }
 665   if(mActiveLayer)
 666   {
 667     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 668     ResizeActor(mActiveLayer, contentSize);
 669   }
 670
 671   // If there is text changed, callback is called.
 672   if(mTextChanged)
 673   {
 674     EmitTextChangedSignal();
 675   }
 676
 677   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 678
 679   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 680      !mRenderer)
 681   {
 682     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 683
 684     if(mDecorator &&
 685        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 686     {
 687       mDecorator->Relayout(contentSize);
 688     }
 689
 690     if(!mRenderer)
 691     {
 692       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 693     }
 694
 695     RenderText(updateTextType);
 696   }
 697
 698   if(mCursorPositionChanged)
 699   {
 700     EmitCursorPositionChangedSignal();
 701   }
 702
 703   if(mSelectionChanged)
 704   {
 705     EmitSelectionChangedSignal();
 706   }
 707
 708   if(mSelectionCleared)
 709   {
 710     EmitSelectionClearedSignal();
 711   }
 712
 713   // The text-editor emits signals when the input style changes. These changes of style are
 714   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 715   // can't be emitted during the size negotiation as the callbacks may update the UI.
 716   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 717   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 718   {
 719     if(Adaptor::IsAvailable())
 720     {
 721       Adaptor& adaptor = Adaptor::Get();
 722
 723       if(NULL == mIdleCallback)
 724       {
 725         // @note: The callback manager takes the ownership of the callback object.
 726         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 727         adaptor.AddIdle(mIdleCallback, false);
 728       }
 729     }
 730   }
 731 }
 732
 733 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 734 {
 735   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 736   if(mRenderableActor)
 737   {
 738     ApplyScrollPosition();
 739   }
 740   UpdateScrollBar();
 741 }
 742
 743 void TextEditor::OnKeyInputFocusGained()
 744 {
 745   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 746   if(mInputMethodContext && IsEditable())
 747   {
 748     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 749     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 750     mInputMethodContext.NotifyTextInputMultiLine(true);
 751
 752     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 753
 754     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 755
 756     // Notify that the text editing start.
 757     mInputMethodContext.Activate();
 758
 759     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 760     mInputMethodContext.SetRestoreAfterFocusLost(true);
 761   }
 762   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 763
 764   if(notifier)
 765   {
 766     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 767   }
 768
 769   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 770
 771   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 772 }
 773
 774 void TextEditor::OnKeyInputFocusLost()
 775 {
 776   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 777   if(mInputMethodContext)
 778   {
 779     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 780
 781     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 782     mInputMethodContext.SetRestoreAfterFocusLost(false);
 783
 784     // Notify that the text editing finish.
 785     mInputMethodContext.Deactivate();
 786
 787     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 788   }
 789   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 790
 791   if(notifier)
 792   {
 793     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 794   }
 795
 796   mController->KeyboardFocusLostEvent();
 797
 798   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 799 }
 800
 801 bool TextEditor::OnAccessibilityActivated()
 802 {
 803   SetKeyInputFocus();
 804   return true;
 805 }
 806
 807 void TextEditor::OnTap(const TapGesture& gesture)
 808 {
 809   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 810   if(mInputMethodContext && IsEditable())
 811   {
 812     mInputMethodContext.Activate();
 813   }
 814   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 815   Extents padding;
 816   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 817   const Vector2& localPoint = gesture.GetLocalPoint();
 818   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 819   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 820
 821   SetKeyInputFocus();
 822 }
 823
 824 void TextEditor::OnPan(const PanGesture& gesture)
 825 {
 826   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 827 }
 828
 829 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 830 {
 831   if(mInputMethodContext && IsEditable())
 832   {
 833     mInputMethodContext.Activate();
 834   }
 835   Extents padding;
 836   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 837   const Vector2& localPoint = gesture.GetLocalPoint();
 838   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 839
 840   SetKeyInputFocus();
 841 }
 842
 843 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 844 {
 845   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 846
 847   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 848   {
 849     // Make sure ClearKeyInputFocus when only key is up
 850     if(event.GetState() == KeyEvent::UP)
 851     {
 852       ClearKeyInputFocus();
 853     }
 854
 855     return true;
 856   }
 857
 858   return mController->KeyEvent(event);
 859 }
 860
 861 void TextEditor::RequestTextRelayout()
 862 {
 863   RelayoutRequest();
 864 }
 865
 866 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 867 {
 868   if(Accessibility::IsUp())
 869   {
 870     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 871   }
 872 }
 873
 874 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 875 {
 876   if(Accessibility::IsUp())
 877   {
 878     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 879   }
 880 }
 881
 882 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 883 {
 884   if(Accessibility::IsUp())
 885   {
 886     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 887   }
 888
 889   if((oldPosition != newPosition) && !mCursorPositionChanged)
 890   {
 891     mCursorPositionChanged = true;
 892     mOldPosition           = oldPosition;
 893   }
 894 }
 895
 896 void TextEditor::TextChanged(bool immediate)
 897 {
 898   if(immediate) // Emits TextChangedSignal immediately
 899   {
 900     EmitTextChangedSignal();
 901   }
 902   else
 903   {
 904     mTextChanged = true;
 905   }
 906 }
 907
 908 void TextEditor::EmitTextChangedSignal()
 909 {
 910   Dali::Toolkit::TextEditor handle(GetOwner());
 911   mTextChangedSignal.Emit(handle);
 912   mTextChanged = false;
 913 }
 914
 915 void TextEditor::MaxLengthReached()
 916 {
 917   Dali::Toolkit::TextEditor handle(GetOwner());
 918   mMaxLengthReachedSignal.Emit(handle);
 919 }
 920
 921 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 922 {
 923   Dali::Toolkit::TextEditor handle(GetOwner());
 924   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 925 }
 926
 927 void TextEditor::AnchorClicked(const std::string& href)
 928 {
 929   Dali::Toolkit::TextEditor handle(GetOwner());
 930   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 931 }
 932
 933 void TextEditor::EmitCursorPositionChangedSignal()
 934 {
 935   Dali::Toolkit::TextEditor handle(GetOwner());
 936   mCursorPositionChanged = false;
 937   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 938 }
 939
 940 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
 941 {
 942   Dali::Toolkit::TextEditor handle(GetOwner());
 943   mInputFilteredSignal.Emit(handle, type);
 944 }
 945
 946 void TextEditor::EmitSelectionChangedSignal()
 947 {
 948   Dali::Toolkit::TextEditor handle(GetOwner());
 949   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 950   mSelectionChanged = false;
 951 }
 952
 953 void TextEditor::EmitSelectionClearedSignal()
 954 {
 955   Dali::Toolkit::TextEditor handle(GetOwner());
 956   mSelectionClearedSignal.Emit(handle);
 957   mSelectionCleared = false;
 958 }
 959
 960 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
 961 {
 962   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
 963   {
 964     if(newStart == newEnd)
 965     {
 966       mSelectionCleared = true;
 967     }
 968
 969     mSelectionChanged  = true;
 970     mOldSelectionStart = oldStart;
 971     mOldSelectionEnd   = oldEnd;
 972
 973     if(mOldSelectionStart > mOldSelectionEnd)
 974     {
 975       //swap
 976       uint32_t temp      = mOldSelectionStart;
 977       mOldSelectionStart = mOldSelectionEnd;
 978       mOldSelectionEnd   = temp;
 979     }
 980   }
 981 }
 982
 983 void TextEditor::AddDecoration(Actor& actor, bool needsClipping)
 984 {
 985   if(actor)
 986   {
 987     if(needsClipping)
 988     {
 989       mClippingDecorationActors.push_back(actor);
 990     }
 991     else
 992     {
 993       actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 994       actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 995       Self().Add(actor);
 996       mActiveLayer = actor;
 997     }
 998   }
 999 }
1000
1001 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1002 {
1003   if(mController && mController->IsShowingRealText())
1004   {
1005     mController->SetTextSelectionRange(start, end);
1006     SetKeyInputFocus();
1007   }
1008 }
1009
1010 Uint32Pair TextEditor::GetTextSelectionRange() const
1011 {
1012   Uint32Pair range(0, 0);
1013   if(mController && mController->IsShowingRealText())
1014   {
1015     range = mController->GetTextSelectionRange();
1016   }
1017   return range;
1018 }
1019
1020 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1021 {
1022   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1023   Property::Map*  resultMap = propValue.GetMap();
1024
1025   Property::Value* colorValue = nullptr;
1026   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1027   {
1028     colorValue->Get(color);
1029   }
1030 }
1031
1032 void TextEditor::UpdateScrollBar()
1033 {
1034   using namespace Dali;
1035
1036   float scrollPosition;
1037   float controlSize;
1038   float layoutSize;
1039   bool  latestScrolled;
1040
1041   if(!mScrollBarEnabled)
1042   {
1043     return;
1044   }
1045   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1046   if(!latestScrolled || controlSize > layoutSize)
1047   {
1048     return;
1049   }
1050
1051   CustomActor self = Self();
1052   if(!mScrollBar)
1053   {
1054     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1055     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1056     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1057     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1058     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1059     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1060
1061     // Register the scroll position property
1062     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1063     // Register the minimum scroll position property
1064     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1065     // Register the maximum scroll position property
1066     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1067     // Register the scroll content size property
1068     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1069
1070     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1071
1072     // Set style name of ScrollBar for styling
1073     mScrollBar.SetStyleName("TextEditorScrollBar");
1074     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1075     if(scrollIndicator)
1076     {
1077       // Set style name of ScrollBarIndicator for styling
1078       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1079     }
1080
1081     self.Add(mScrollBar);
1082   }
1083   else
1084   {
1085     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1086     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1087     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1088
1089     self.SetProperty(propertyScrollPosition, scrollPosition);
1090     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1091     self.SetProperty(propertyScrollContentSize, layoutSize);
1092   }
1093
1094   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1095   if(!mScrollStarted)
1096   {
1097     mScrollStarted = true;
1098     Dali::Toolkit::TextEditor handle(GetOwner());
1099     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1100   }
1101
1102   Actor indicator = mScrollBar.GetScrollIndicator();
1103   if(mAnimation)
1104   {
1105     mAnimation.Stop(); // Cancel any animation
1106   }
1107   else
1108   {
1109     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1110   }
1111   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1112   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1113   mAnimation.Play();
1114   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1115 }
1116
1117 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1118 {
1119   // If animation is successfully ended, then emit ScrollStateChangedSignal
1120   if(animation.GetCurrentProgress() == 0.0f)
1121   {
1122     mScrollStarted = false;
1123     Dali::Toolkit::TextEditor handle(GetOwner());
1124     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1125   }
1126 }
1127
1128 void TextEditor::OnSceneConnect(Dali::Actor actor)
1129 {
1130   if(mHasBeenStaged)
1131   {
1132     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1133   }
1134   else
1135   {
1136     mHasBeenStaged = true;
1137   }
1138 }
1139
1140 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1141 {
1142   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1143   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1144 }
1145
1146 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1147 {
1148   if(mDecorator)
1149   {
1150     Property::Map map;
1151     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1152
1153     value = map;
1154   }
1155 }
1156
1157 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1158 {
1159   mController->PasteClipboardItemEvent();
1160 }
1161
1162 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1163 {
1164   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1165
1166   // Just hide the grab handle when keyboard is hidden.
1167   if(!keyboardShown)
1168   {
1169     mController->KeyboardFocusLostEvent();
1170   }
1171   else
1172   {
1173     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1174   }
1175 }
1176
1177 void TextEditor::OnSceneConnection(int depth)
1178 {
1179   // Sets the depth to the visuals inside the text's decorator.
1180   mDecorator->SetTextDepth(depth);
1181
1182   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1183
1184   // Call the Control::OnSceneConnection() to set the depth of the background.
1185   Control::OnSceneConnection(depth);
1186 }
1187
1188 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1189 {
1190   return false;
1191 }
1192
1193 void TextEditor::OnIdleSignal()
1194 {
1195   // Emits the change of input style signals.
1196   mController->ProcessInputStyleChangedSignals();
1197
1198   // Set the pointer to null as the callback manager deletes the callback after execute it.
1199   mIdleCallback = NULL;
1200 }
1201
1202 void TextEditor::ApplyScrollPosition()
1203 {
1204   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1205   float          scrollAmount = 0.0f;
1206
1207   if(mScrollAnimationEnabled)
1208   {
1209     scrollAmount = mController->GetScrollAmountByUserInput();
1210   }
1211   if(mTextVerticalScroller)
1212   {
1213     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1214   }
1215   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1216   {
1217     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1218   }
1219   else
1220   {
1221     mTextVerticalScroller = Text::TextVerticalScroller::New();
1222     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1223     {
1224       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1225     }
1226     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1227   }
1228 }
1229
1230 bool TextEditor::IsEditable() const
1231 {
1232   return mController->IsEditable();
1233 }
1234
1235 void TextEditor::SetEditable(bool editable)
1236 {
1237   mController->SetEditable(editable);
1238   if(mInputMethodContext && !editable)
1239   {
1240     mInputMethodContext.Deactivate();
1241   }
1242 }
1243
1244 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1245 {
1246   mController->ChangedLayoutDirection();
1247 }
1248
1249 TextEditor::TextEditor()
1250 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1251   mAnimationPeriod(0.0f, 0.0f),
1252   mIdleCallback(NULL),
1253   mAlignmentOffset(0.f),
1254   mScrollAnimationDuration(0.f),
1255   mLineSpacing(0.f),
1256   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1257   mHasBeenStaged(false),
1258   mScrollAnimationEnabled(false),
1259   mScrollBarEnabled(false),
1260   mScrollStarted(false),
1261   mTextChanged(false),
1262   mCursorPositionChanged(false),
1263   mSelectionChanged(false),
1264   mSelectionCleared(false),
1265   mOldPosition(0u),
1266   mOldSelectionStart(0u),
1267   mOldSelectionEnd(0u)
1268 {
1269 }
1270
1271 TextEditor::~TextEditor()
1272 {
1273   UnparentAndReset(mStencil);
1274
1275   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1276   {
1277     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1278     Adaptor::Get().RemoveIdle(mIdleCallback);
1279   }
1280 }
1281
1282 std::string TextEditor::AccessibleImpl::GetName()
1283 {
1284   auto self = Toolkit::TextEditor::DownCast(Self());
1285   return self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1286 }
1287
1288 std::string TextEditor::AccessibleImpl::GetText(size_t startOffset, size_t endOffset)
1289 {
1290   if(endOffset <= startOffset)
1291   {
1292     return {};
1293   }
1294
1295   auto self = Toolkit::TextEditor::DownCast(Self());
1296   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1297
1298   if(startOffset > text.size() || endOffset > text.size())
1299   {
1300     return {};
1301   }
1302
1303   return text.substr(startOffset, endOffset - startOffset);
1304 }
1305
1306 size_t TextEditor::AccessibleImpl::GetCharacterCount()
1307 {
1308   auto self = Toolkit::TextEditor::DownCast(Self());
1309   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1310
1311   return text.size();
1312 }
1313
1314 size_t TextEditor::AccessibleImpl::GetCursorOffset()
1315 {
1316   auto slf = Toolkit::TextEditor::DownCast(Self());
1317   return Dali::Toolkit::GetImpl(slf).GetTextController()->GetCursorPosition();
1318 }
1319
1320 bool TextEditor::AccessibleImpl::SetCursorOffset(size_t offset)
1321 {
1322   auto slf = Toolkit::TextEditor::DownCast(Self());
1323   auto txt = slf.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1324   if(offset > txt.size())
1325   {
1326     return false;
1327   }
1328
1329   auto& slfImpl = Dali::Toolkit::GetImpl(slf);
1330   slfImpl.GetTextController()->ResetCursorPosition(offset);
1331   slfImpl.RequestTextRelayout();
1332
1333   return true;
1334 }
1335
1336 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetTextAtOffset(size_t offset, Dali::Accessibility::TextBoundary boundary)
1337 {
1338   auto self     = Toolkit::TextEditor::DownCast(Self());
1339   auto text     = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1340   auto textSize = text.size();
1341
1342   auto range = Dali::Accessibility::Range{};
1343
1344   switch(boundary)
1345   {
1346     case Dali::Accessibility::TextBoundary::CHARACTER:
1347     {
1348       if(offset < textSize)
1349       {
1350         range.content     = text[offset];
1351         range.startOffset = offset;
1352         range.endOffset   = offset + 1;
1353       }
1354       break;
1355     }
1356     case Dali::Accessibility::TextBoundary::WORD:
1357     case Dali::Accessibility::TextBoundary::LINE:
1358     {
1359       auto textString = text.c_str();
1360       auto breaks     = std::vector<char>(textSize, 0);
1361
1362       if(boundary == Dali::Accessibility::TextBoundary::WORD)
1363       {
1364         Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1365       }
1366       else
1367       {
1368         Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1369       }
1370
1371       auto index   = 0u;
1372       auto counter = 0u;
1373       while(index < textSize && counter <= offset)
1374       {
1375         auto start = index;
1376         if(breaks[index])
1377         {
1378           while(breaks[index])
1379           {
1380             index++;
1381           }
1382           counter++;
1383         }
1384         else
1385         {
1386           if(boundary == Dali::Accessibility::TextBoundary::WORD)
1387           {
1388             index++;
1389           }
1390           if(boundary == Dali::Accessibility::TextBoundary::LINE)
1391           {
1392             counter++;
1393           }
1394         }
1395
1396         if((counter > 0) && ((counter - 1) == offset))
1397         {
1398           range.content     = text.substr(start, index - start + 1);
1399           range.startOffset = start;
1400           range.endOffset   = index + 1;
1401         }
1402
1403         if(boundary == Dali::Accessibility::TextBoundary::LINE)
1404         {
1405           index++;
1406         }
1407       }
1408       break;
1409     }
1410     case Dali::Accessibility::TextBoundary::SENTENCE:
1411     {
1412       /* not supported by default */
1413       break;
1414     }
1415     case Dali::Accessibility::TextBoundary::PARAGRAPH:
1416     {
1417       /* Paragraph is not supported by libunibreak library */
1418       break;
1419     }
1420     default:
1421       break;
1422   }
1423
1424   return range;
1425 }
1426
1427 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetRangeOfSelection(size_t selectionIndex)
1428 {
1429   // Since DALi supports only one selection indexes higher than 0 are ignored
1430   if(selectionIndex > 0)
1431   {
1432     return {};
1433   }
1434
1435   auto        self       = Toolkit::TextEditor::DownCast(Self());
1436   auto        controller = Dali::Toolkit::GetImpl(self).GetTextController();
1437   std::string value{};
1438   controller->RetrieveSelection(value);
1439   auto indices = controller->GetSelectionIndexes();
1440
1441   return {static_cast<size_t>(indices.first), static_cast<size_t>(indices.second), value};
1442 }
1443
1444 bool TextEditor::AccessibleImpl::RemoveSelection(size_t selectionIndex)
1445 {
1446   // Since DALi supports only one selection indexes higher than 0 are ignored
1447   if(selectionIndex > 0)
1448   {
1449     return false;
1450   }
1451
1452   auto self = Toolkit::TextEditor::DownCast(Self());
1453   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1454   return true;
1455 }
1456
1457 bool TextEditor::AccessibleImpl::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1458 {
1459   // Since DALi supports only one selection indexes higher than 0 are ignored
1460   if(selectionIndex > 0)
1461   {
1462     return false;
1463   }
1464
1465   auto self = Toolkit::TextEditor::DownCast(Self());
1466   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1467   return true;
1468 }
1469
1470 bool TextEditor::AccessibleImpl::CopyText(size_t startPosition, size_t endPosition)
1471 {
1472   if(endPosition <= startPosition)
1473   {
1474     return false;
1475   }
1476
1477   auto self = Toolkit::TextEditor::DownCast(Self());
1478   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1479   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1480
1481   return true;
1482 }
1483
1484 bool TextEditor::AccessibleImpl::CutText(size_t startPosition, size_t endPosition)
1485 {
1486   if(endPosition <= startPosition)
1487   {
1488     return false;
1489   }
1490
1491   auto self = Toolkit::TextEditor::DownCast(Self());
1492   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1493   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1494
1495   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1496
1497   return true;
1498 }
1499
1500 bool TextEditor::AccessibleImpl::DeleteText(size_t startPosition, size_t endPosition)
1501 {
1502   if(endPosition <= startPosition)
1503   {
1504     return false;
1505   }
1506
1507   auto self = Toolkit::TextEditor::DownCast(Self());
1508   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1509
1510   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1511
1512   return true;
1513 }
1514
1515 Dali::Accessibility::States TextEditor::AccessibleImpl::CalculateStates()
1516 {
1517   using namespace Dali::Accessibility;
1518
1519   auto states              = DevelControl::AccessibleImpl::CalculateStates();
1520   states[State::EDITABLE]  = true;
1521   states[State::FOCUSABLE] = true;
1522
1523   Toolkit::Control focusControl = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
1524   if(mSelf == focusControl)
1525   {
1526     states[State::FOCUSED] = true;
1527   }
1528
1529   return states;
1530 }
1531
1532 bool TextEditor::AccessibleImpl::InsertText(size_t startPosition, std::string text)
1533 {
1534   auto self         = Toolkit::TextEditor::DownCast(Self());
1535   auto insertedText = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1536
1537   insertedText.insert(startPosition, text);
1538
1539   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(insertedText));
1540
1541   return true;
1542 }
1543
1544 bool TextEditor::AccessibleImpl::SetTextContents(std::string newContents)
1545 {
1546   auto self = Toolkit::TextEditor::DownCast(Self());
1547   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(newContents));
1548   return true;
1549 }
1550
1551 int32_t TextEditor::AccessibleImpl::GetLinkCount() const
1552 {
1553   auto self = Toolkit::TextEditor::DownCast(Self());
1554   return Dali::Toolkit::GetImpl(self).mAnchorActors.size();
1555 }
1556
1557 Accessibility::Hyperlink* TextEditor::AccessibleImpl::GetLink(int32_t linkIndex) const
1558 {
1559   if(linkIndex < 0 || linkIndex >= GetLinkCount())
1560   {
1561     return nullptr;
1562   }
1563   auto self        = Toolkit::TextEditor::DownCast(Self());
1564   auto anchorActor = Dali::Toolkit::GetImpl(self).mAnchorActors[linkIndex];
1565   return dynamic_cast<Accessibility::Hyperlink*>(Dali::Accessibility::Accessible::Get(anchorActor));
1566 }
1567
1568 int32_t TextEditor::AccessibleImpl::GetLinkIndex(int32_t characterOffset) const
1569 {
1570   auto self       = Toolkit::TextEditor::DownCast(Self());
1571   auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1572   return controller->GetAnchorIndex(static_cast<size_t>(characterOffset));
1573 }
1574
1575 } // namespace Internal
1576
1577 } // namespace Toolkit
1578
1579 } // namespace Dali