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/adaptor-framework/key.h>
  28 #include <dali/public-api/common/dali-common.h>
  29 #include <dali/public-api/object/type-registry-helper.h>
  30 #include <cstring>
  31 #include <limits>
  32
  33 // INTERNAL INCLUDES
  34 #include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
  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/text-editor-property-handler.h>
  40 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  41 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  42 #include <dali-toolkit/internal/text/text-effects-style.h>
  43 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  44 #include <dali-toolkit/internal/text/text-font-style.h>
  45 #include <dali-toolkit/internal/text/text-view.h>
  46 #include <dali-toolkit/public-api/text/text-enumerations.h>
  47 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  48 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  49
  50 using namespace Dali::Toolkit::Text;
  51
  52 #if defined(DEBUG_ENABLED)
  53 Debug::Filter* gTextEditorLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  54 #endif
  55
  56 namespace Dali
  57 {
  58 namespace Toolkit
  59 {
  60 namespace Internal
  61 {
  62 namespace // unnamed namespace
  63 {
  64 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  65 const float        DEFAULT_SCROLL_SPEED      = 1200.f; ///< The default scroll speed for the text editor in pixels/second.
  66 } // unnamed namespace
  67
  68 namespace
  69 {
  70 const char* const SCROLL_BAR_POSITION("sourcePosition");
  71 const char* const SCROLL_BAR_POSITION_MIN("sourcePositionMin");
  72 const char* const SCROLL_BAR_POSITION_MAX("sourcePositionMax");
  73 const char* const SCROLL_BAR_CONTENT_SIZE("sourceContentSize");
  74
  75 // Type registration
  76 BaseHandle Create()
  77 {
  78   return Toolkit::TextEditor::New();
  79 }
  80
  81 // clang-format off
  82 // Setup properties, signals and actions using the type-registry.
  83 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::TextEditor, Toolkit::Control, Create);
  84
  85 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "text",                                 STRING,    TEXT                                )
  86 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "textColor",                            VECTOR4,   TEXT_COLOR                          )
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontFamily",                           STRING,    FONT_FAMILY                         )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontStyle",                            MAP,       FONT_STYLE                          )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pointSize",                            FLOAT,     POINT_SIZE                          )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "horizontalAlignment",                  STRING,    HORIZONTAL_ALIGNMENT                )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollThreshold",                      FLOAT,     SCROLL_THRESHOLD                    )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollSpeed",                          FLOAT,     SCROLL_SPEED                        )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "primaryCursorColor",                   VECTOR4,   PRIMARY_CURSOR_COLOR                )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "secondaryCursorColor",                 VECTOR4,   SECONDARY_CURSOR_COLOR              )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableCursorBlink",                    BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkInterval",                  FLOAT,     CURSOR_BLINK_INTERVAL               )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkDuration",                  FLOAT,     CURSOR_BLINK_DURATION               )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorWidth",                          INTEGER,   CURSOR_WIDTH                        )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandleImage",                      STRING,    GRAB_HANDLE_IMAGE                   )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandlePressedImage",               STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageLeft",             MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageRight",            MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageLeft",      MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageRight",     MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageLeft",       MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageRight",      MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHighlightColor",              VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "decorationBoundingBox",                RECTANGLE, DECORATION_BOUNDING_BOX             )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableMarkup",                         BOOLEAN,   ENABLE_MARKUP                       )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputColor",                           VECTOR4,   INPUT_COLOR                         )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontFamily",                      STRING,    INPUT_FONT_FAMILY                   )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontStyle",                       MAP,       INPUT_FONT_STYLE                    )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputPointSize",                       FLOAT,     INPUT_POINT_SIZE                    )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineSpacing",                          FLOAT,     LINE_SPACING                        )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputLineSpacing",                     FLOAT,     INPUT_LINE_SPACING                  )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "underline",                            MAP,       UNDERLINE                           )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputUnderline",                       MAP,       INPUT_UNDERLINE                     )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "shadow",                               MAP,       SHADOW                              )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputShadow",                          MAP,       INPUT_SHADOW                        )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "emboss",                               MAP,       EMBOSS                              )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputEmboss",                          MAP,       INPUT_EMBOSS                        )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "outline",                              MAP,       OUTLINE                             )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputOutline",                         MAP,       INPUT_OUTLINE                       )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScroll",                         BOOLEAN,   SMOOTH_SCROLL                       )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScrollDuration",                 FLOAT,     SMOOTH_SCROLL_DURATION              )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableScrollBar",                      BOOLEAN,   ENABLE_SCROLL_BAR                   )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarShowDuration",                FLOAT,     SCROLL_BAR_SHOW_DURATION            )
 128 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarFadeDuration",                FLOAT,     SCROLL_BAR_FADE_DURATION            )
 129 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pixelSize",                            FLOAT,     PIXEL_SIZE                          )
 130 DALI_PROPERTY_REGISTRATION_READ_ONLY(Toolkit,       TextEditor, "lineCount",                            INTEGER,   LINE_COUNT                          )
 131 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableSelection",                      BOOLEAN,   ENABLE_SELECTION                    )
 132 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "placeholder",                          MAP,       PLACEHOLDER                         )
 133 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineWrapMode",                         INTEGER,   LINE_WRAP_MODE                      )
 134 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderText",                      STRING,    PLACEHOLDER_TEXT                    )
 135 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderTextColor",                 VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableShiftSelection",                 BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandle",                     BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "matchSystemLanguageDirection",         BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "renderingBackend",                     INTEGER,   RENDERING_BACKEND                   )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "maxLength",                            INTEGER,   MAX_LENGTH                          )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextStart",                    INTEGER,   SELECTED_TEXT_START                 )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextEnd",                      INTEGER,   SELECTED_TEXT_END                   )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "horizontalScrollPosition",             FLOAT,     HORIZONTAL_SCROLL_POSITION          )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalScrollPosition",               INTEGER,   VERTICAL_SCROLL_POSITION            )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableEditing",                        BOOLEAN,   ENABLE_EDITING                      )
 146 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextEditor, "selectedText",                         STRING,    SELECTED_TEXT                       )
 147 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "fontSizeScale",                        FLOAT,     FONT_SIZE_SCALE                     )
 148 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "primaryCursorPosition",                INTEGER,   PRIMARY_CURSOR_POSITION             )
 149 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "grabHandleColor",                      VECTOR4,   GRAB_HANDLE_COLOR                   )
 150 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandlePopup",                BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 151 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputMethodSettings",                  MAP,       INPUT_METHOD_SETTINGS               )
 152 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputFilter",                          MAP,       INPUT_FILTER                        )
 153 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsis",                             BOOLEAN,   ELLIPSIS                            )
 154 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsisPosition",                     INTEGER,   ELLIPSIS_POSITION                   )
 155 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "minLineSize",                          FLOAT,     MIN_LINE_SIZE                       )
 156
 157 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "textChanged",           SIGNAL_TEXT_CHANGED           )
 158 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 159 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 160 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 161 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 162 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 163 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 164 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 165
 166 DALI_TYPE_REGISTRATION_END()
 167 // clang-format on
 168
 169 } // namespace
 170
 171 Toolkit::TextEditor TextEditor::New()
 172 {
 173   // Create the implementation, temporarily owned by this handle on stack
 174   IntrusivePtr<TextEditor> impl = new TextEditor();
 175
 176   // Pass ownership to CustomActor handle
 177   Toolkit::TextEditor handle(*impl);
 178
 179   // Second-phase init of the implementation
 180   // This can only be done after the CustomActor connection has been made...
 181   impl->Initialize();
 182
 183   return handle;
 184 }
 185
 186 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 187 {
 188   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 189
 190   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 191
 192   if(textEditor)
 193   {
 194     PropertyHandler::SetProperty(textEditor, index, value);
 195   }
 196 }
 197
 198 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 199 {
 200   Property::Value value;
 201
 202   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 203
 204   if(textEditor)
 205   {
 206     value = PropertyHandler::GetProperty(textEditor, index);
 207   }
 208   return value;
 209 }
 210
 211 void TextEditor::SelectWholeText()
 212 {
 213   if(mController && mController->IsShowingRealText())
 214   {
 215     mController->SelectWholeText();
 216     SetKeyInputFocus();
 217   }
 218 }
 219
 220 void TextEditor::SelectNone()
 221 {
 222   if(mController && mController->IsShowingRealText())
 223   {
 224     mController->SelectNone();
 225   }
 226 }
 227
 228 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 229 {
 230   if(mController && mController->IsShowingRealText())
 231   {
 232     mController->SelectText(start, end);
 233     SetKeyInputFocus();
 234   }
 235 }
 236
 237 string TextEditor::CopyText()
 238 {
 239   string copiedText = "";
 240   if(mController && mController->IsShowingRealText())
 241   {
 242     copiedText = mController->CopyText();
 243   }
 244   return copiedText;
 245 }
 246
 247 string TextEditor::CutText()
 248 {
 249   string cutText = "";
 250   if(mController && mController->IsShowingRealText())
 251   {
 252     cutText = mController->CutText();
 253   }
 254   return cutText;
 255 }
 256
 257 void TextEditor::PasteText()
 258 {
 259   if(mController)
 260   {
 261     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 262     mController->PasteText();
 263   }
 264 }
 265
 266 void TextEditor::ScrollBy(Vector2 scroll)
 267 {
 268   if(mController && mController->IsShowingRealText())
 269   {
 270     mController->ScrollBy(scroll);
 271   }
 272 }
 273
 274 float TextEditor::GetHorizontalScrollPosition()
 275 {
 276   if(mController && mController->IsShowingRealText())
 277   {
 278     return mController->GetHorizontalScrollPosition();
 279   }
 280   return 0;
 281 }
 282
 283 float TextEditor::GetVerticalScrollPosition()
 284 {
 285   if(mController && mController->IsShowingRealText())
 286   {
 287     return mController->GetVerticalScrollPosition();
 288   }
 289   return 0;
 290 }
 291
 292 string TextEditor::GetSelectedText() const
 293 {
 294   string selectedText = "";
 295   if(mController && mController->IsShowingRealText())
 296   {
 297     selectedText = mController->GetSelectedText();
 298   }
 299   return selectedText;
 300 }
 301
 302 InputMethodContext TextEditor::GetInputMethodContext()
 303 {
 304   return mInputMethodContext;
 305 }
 306
 307 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 308 {
 309   return mMaxLengthReachedSignal;
 310 }
 311
 312 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 313 {
 314   return mAnchorClickedSignal;
 315 }
 316
 317 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 318 {
 319   return mCursorPositionChangedSignal;
 320 }
 321
 322 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 323 {
 324   return mInputFilteredSignal;
 325 }
 326
 327 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 328 {
 329   return mSelectionChangedSignal;
 330 }
 331
 332 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 333 {
 334   return mSelectionClearedSignal;
 335 }
 336
 337 Text::ControllerPtr TextEditor::GetTextController()
 338 {
 339   return mController;
 340 }
 341
 342 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 343 {
 344   Dali::BaseHandle handle(object);
 345
 346   bool                connected(true);
 347   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 348
 349   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 350   {
 351     editor.TextChangedSignal().Connect(tracker, functor);
 352   }
 353   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 354   {
 355     editor.InputStyleChangedSignal().Connect(tracker, functor);
 356   }
 357   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 358   {
 359     if(editor)
 360     {
 361       Internal::TextEditor& editorImpl(GetImpl(editor));
 362       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 363     }
 364   }
 365   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 366   {
 367     if(editor)
 368     {
 369       Internal::TextEditor& editorImpl(GetImpl(editor));
 370       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 371     }
 372   }
 373   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 374   {
 375     if(editor)
 376     {
 377       Internal::TextEditor& editorImpl(GetImpl(editor));
 378       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 379     }
 380   }
 381   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 382   {
 383     if(editor)
 384     {
 385       Internal::TextEditor& editorImpl(GetImpl(editor));
 386       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 387     }
 388   }
 389   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 390   {
 391     if(editor)
 392     {
 393       Internal::TextEditor& editorImpl(GetImpl(editor));
 394       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 395     }
 396   }
 397   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 398   {
 399     if(editor)
 400     {
 401       Internal::TextEditor& editorImpl(GetImpl(editor));
 402       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 403     }
 404   }
 405   else
 406   {
 407     // signalName does not match any signal
 408     connected = false;
 409   }
 410
 411   return connected;
 412 }
 413
 414 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 415 {
 416   return mTextChangedSignal;
 417 }
 418
 419 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 420 {
 421   return mInputStyleChangedSignal;
 422 }
 423
 424 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 425 {
 426   return mScrollStateChangedSignal;
 427 }
 428
 429 void TextEditor::OnInitialize()
 430 {
 431   Actor self = Self();
 432
 433   mController = Text::Controller::New(this, this, this, this);
 434
 435   mDecorator = Text::Decorator::New(*mController,
 436                                     *mController);
 437
 438   mInputMethodContext = InputMethodContext::New(self);
 439
 440   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 441
 442   // Enables the text input.
 443   mController->EnableTextInput(mDecorator, mInputMethodContext);
 444
 445   // Enables the vertical scrolling after the text input has been enabled.
 446   mController->SetVerticalScrollEnabled(true);
 447
 448   // Disables the horizontal scrolling.
 449   mController->SetHorizontalScrollEnabled(false);
 450
 451   // Sets the maximum number of characters.
 452   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 453
 454   // Enable the smooth handle panning.
 455   mController->SetSmoothHandlePanEnabled(true);
 456
 457   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 458   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 459
 460   // Sets layoutDirection value
 461   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 462   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 463   mController->SetLayoutDirection(layoutDirection);
 464
 465   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 466
 467   // Forward input events to controller
 468   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 469   GetTapGestureDetector().SetMaximumTapsRequired(2);
 470   GetTapGestureDetector().ReceiveAllTapEvents(true);
 471
 472   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 473
 474   // Set BoundingBox to stage size if not already set.
 475   Rect<int> boundingBox;
 476   mDecorator->GetBoundingBox(boundingBox);
 477
 478   if(boundingBox.IsEmpty())
 479   {
 480     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 481     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 482   }
 483
 484   // Whether to flip the selection handles as soon as they cross.
 485   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 486
 487   // Set the default scroll speed.
 488   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 489
 490   // Fill-parent area by default
 491   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 492   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 493   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 494
 495   //Enable highightability
 496   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 497
 498   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 499
 500   // Creates an extra control to be used as stencil buffer.
 501   mStencil = Control::New();
 502   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 503   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 504
 505   // Creates a background visual. Even if the color is transparent it updates the stencil.
 506   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 507                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 508
 509   // Enable the clipping property.
 510   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 511   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 512
 513   self.Add(mStencil);
 514
 515   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 516     return std::unique_ptr<Dali::Accessibility::Accessible>(
 517       new AccessibleImpl(actor, Dali::Accessibility::Role::ENTRY));
 518   });
 519 }
 520
 521 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 522 {
 523   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 524
 525   switch(change)
 526   {
 527     case StyleChange::DEFAULT_FONT_CHANGE:
 528     {
 529       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 530       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 531       // Property system did not set the font so should update it.
 532       mController->UpdateAfterFontChange(newFont);
 533       RelayoutRequest();
 534       break;
 535     }
 536
 537     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 538     {
 539       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 540       RelayoutRequest();
 541       break;
 542     }
 543     case StyleChange::THEME_CHANGE:
 544     {
 545       // Nothing to do, let control base class handle this
 546       break;
 547     }
 548   }
 549
 550   // Up call to Control
 551   Control::OnStyleChange(styleManager, change);
 552 }
 553
 554 Vector3 TextEditor::GetNaturalSize()
 555 {
 556   Extents padding;
 557   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 558
 559   Vector3 naturalSize = mController->GetNaturalSize();
 560   naturalSize.width += (padding.start + padding.end);
 561   naturalSize.height += (padding.top + padding.bottom);
 562
 563   return naturalSize;
 564 }
 565
 566 float TextEditor::GetHeightForWidth(float width)
 567 {
 568   Extents padding;
 569   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 570   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 571 }
 572
 573 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 574 {
 575   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 576   {
 577     actor.SetProperty(Actor::Property::SIZE, size);
 578   }
 579 }
 580
 581 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 582 {
 583   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 584
 585   Actor self = Self();
 586
 587   Extents padding;
 588   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 589
 590   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 591
 592   // Support Right-To-Left of padding
 593   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 594
 595   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 596   {
 597     std::swap(padding.start, padding.end);
 598   }
 599
 600   if(mStencil)
 601   {
 602     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 603     ResizeActor(mStencil, contentSize);
 604   }
 605   if(mActiveLayer)
 606   {
 607     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 608     ResizeActor(mActiveLayer, contentSize);
 609   }
 610
 611   // If there is text changed, callback is called.
 612   if(mTextChanged)
 613   {
 614     EmitTextChangedSignal();
 615   }
 616
 617   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 618
 619   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 620      !mRenderer)
 621   {
 622     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 623
 624     if(mDecorator &&
 625        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 626     {
 627       mDecorator->Relayout(contentSize);
 628     }
 629
 630     if(!mRenderer)
 631     {
 632       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 633     }
 634
 635     RenderText(updateTextType);
 636   }
 637
 638   if(mCursorPositionChanged)
 639   {
 640     EmitCursorPositionChangedSignal();
 641   }
 642
 643   if(mSelectionChanged)
 644   {
 645     EmitSelectionChangedSignal();
 646   }
 647
 648   if(mSelectionCleared)
 649   {
 650     EmitSelectionClearedSignal();
 651   }
 652
 653   // The text-editor emits signals when the input style changes. These changes of style are
 654   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 655   // can't be emitted during the size negotiation as the callbacks may update the UI.
 656   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 657   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 658   {
 659     if(Adaptor::IsAvailable())
 660     {
 661       Adaptor& adaptor = Adaptor::Get();
 662
 663       if(NULL == mIdleCallback)
 664       {
 665         // @note: The callback manager takes the ownership of the callback object.
 666         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 667         adaptor.AddIdle(mIdleCallback, false);
 668       }
 669     }
 670   }
 671 }
 672
 673 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 674 {
 675   Actor renderableActor;
 676
 677   if(Text::Controller::NONE_UPDATED != (Text::Controller::MODEL_UPDATED & updateTextType))
 678   {
 679     if(mRenderer)
 680     {
 681       Dali::Toolkit::TextEditor handle = Dali::Toolkit::TextEditor(GetOwner());
 682
 683       renderableActor = mRenderer->Render(mController->GetView(),
 684                                           handle,
 685                                           Property::INVALID_INDEX, // Animatable property not supported
 686                                           mAlignmentOffset,
 687                                           DepthIndex::CONTENT);
 688     }
 689
 690     if(renderableActor != mRenderableActor)
 691     {
 692       UnparentAndReset(mBackgroundActor);
 693       UnparentAndReset(mRenderableActor);
 694       mRenderableActor = renderableActor;
 695
 696       if(mRenderableActor)
 697       {
 698         mBackgroundActor = mController->CreateBackgroundActor();
 699       }
 700     }
 701   }
 702
 703   if(mRenderableActor)
 704   {
 705     const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
 706
 707     float renderableActorPositionX, renderableActorPositionY;
 708
 709     if(mStencil)
 710     {
 711       renderableActorPositionX = scrollOffset.x + mAlignmentOffset;
 712       renderableActorPositionY = scrollOffset.y;
 713     }
 714     else
 715     {
 716       Extents padding;
 717       padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 718
 719       // Support Right-To-Left of padding
 720       Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(Self().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 721       if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 722       {
 723         std::swap(padding.start, padding.end);
 724       }
 725
 726       renderableActorPositionX = scrollOffset.x + mAlignmentOffset + padding.start;
 727       renderableActorPositionY = scrollOffset.y + padding.top;
 728     }
 729
 730     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(renderableActorPositionX, renderableActorPositionY));
 731     // Make sure the actors are parented correctly with/without clipping
 732     Actor self = mStencil ? mStencil : Self();
 733
 734     Actor highlightActor;
 735
 736     for(std::vector<Actor>::iterator it    = mClippingDecorationActors.begin(),
 737                                      endIt = mClippingDecorationActors.end();
 738         it != endIt;
 739         ++it)
 740     {
 741       self.Add(*it);
 742       it->LowerToBottom();
 743
 744       if(it->GetProperty<std::string>(Dali::Actor::Property::NAME) == "HighlightActor")
 745       {
 746         highlightActor = *it;
 747       }
 748     }
 749     mClippingDecorationActors.clear();
 750
 751     self.Add(mRenderableActor);
 752
 753     if(mBackgroundActor)
 754     {
 755       if(mDecorator && mDecorator->IsHighlightVisible())
 756       {
 757         self.Add(mBackgroundActor);
 758         mBackgroundActor.SetProperty(Actor::Property::POSITION, Vector2(renderableActorPositionX, renderableActorPositionY)); // In text field's coords.
 759         mBackgroundActor.LowerBelow(highlightActor);
 760       }
 761       else
 762       {
 763         mRenderableActor.Add(mBackgroundActor);
 764         mBackgroundActor.SetProperty(Actor::Property::POSITION, Vector2(0.0f, 0.0f)); // In renderable actor's coords.
 765         mBackgroundActor.LowerToBottom();
 766       }
 767     }
 768
 769     ApplyScrollPosition();
 770   }
 771   UpdateScrollBar();
 772 }
 773
 774 void TextEditor::OnKeyInputFocusGained()
 775 {
 776   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 777   if(mInputMethodContext && IsEditable())
 778   {
 779     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 780     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 781     mInputMethodContext.NotifyTextInputMultiLine(true);
 782
 783     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 784
 785     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 786
 787     // Notify that the text editing start.
 788     mInputMethodContext.Activate();
 789
 790     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 791     mInputMethodContext.SetRestoreAfterFocusLost(true);
 792   }
 793   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 794
 795   if(notifier)
 796   {
 797     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 798   }
 799
 800   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 801
 802   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 803 }
 804
 805 void TextEditor::OnKeyInputFocusLost()
 806 {
 807   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 808   if(mInputMethodContext)
 809   {
 810     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 811
 812     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 813     mInputMethodContext.SetRestoreAfterFocusLost(false);
 814
 815     // Notify that the text editing finish.
 816     mInputMethodContext.Deactivate();
 817
 818     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 819   }
 820   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 821
 822   if(notifier)
 823   {
 824     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 825   }
 826
 827   mController->KeyboardFocusLostEvent();
 828
 829   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 830 }
 831
 832 bool TextEditor::OnAccessibilityActivated()
 833 {
 834   SetKeyInputFocus();
 835   return true;
 836 }
 837
 838 void TextEditor::OnTap(const TapGesture& gesture)
 839 {
 840   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 841   if(mInputMethodContext && IsEditable())
 842   {
 843     mInputMethodContext.Activate();
 844   }
 845   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 846   Extents padding;
 847   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 848   const Vector2& localPoint = gesture.GetLocalPoint();
 849   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 850   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 851
 852   SetKeyInputFocus();
 853 }
 854
 855 void TextEditor::OnPan(const PanGesture& gesture)
 856 {
 857   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 858 }
 859
 860 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 861 {
 862   if(mInputMethodContext && IsEditable())
 863   {
 864     mInputMethodContext.Activate();
 865   }
 866   Extents padding;
 867   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 868   const Vector2& localPoint = gesture.GetLocalPoint();
 869   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 870
 871   SetKeyInputFocus();
 872 }
 873
 874 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 875 {
 876   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 877
 878   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 879   {
 880     // Make sure ClearKeyInputFocus when only key is up
 881     if(event.GetState() == KeyEvent::UP)
 882     {
 883       ClearKeyInputFocus();
 884     }
 885
 886     return true;
 887   }
 888
 889   return mController->KeyEvent(event);
 890 }
 891
 892 void TextEditor::RequestTextRelayout()
 893 {
 894   RelayoutRequest();
 895 }
 896
 897 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 898 {
 899   if(Accessibility::IsUp())
 900   {
 901     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 902   }
 903 }
 904
 905 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 906 {
 907   if(Accessibility::IsUp())
 908   {
 909     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 910   }
 911 }
 912
 913 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 914 {
 915   if(Accessibility::IsUp())
 916   {
 917     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 918   }
 919
 920   if((oldPosition != newPosition) && !mCursorPositionChanged)
 921   {
 922     mCursorPositionChanged = true;
 923     mOldPosition           = oldPosition;
 924   }
 925 }
 926
 927 void TextEditor::TextChanged(bool immediate)
 928 {
 929   if(immediate) // Emits TextChangedSignal immediately
 930   {
 931     EmitTextChangedSignal();
 932   }
 933   else
 934   {
 935     mTextChanged = true;
 936   }
 937 }
 938
 939 void TextEditor::EmitTextChangedSignal()
 940 {
 941   Dali::Toolkit::TextEditor handle(GetOwner());
 942   mTextChangedSignal.Emit(handle);
 943   mTextChanged = false;
 944 }
 945
 946 void TextEditor::MaxLengthReached()
 947 {
 948   Dali::Toolkit::TextEditor handle(GetOwner());
 949   mMaxLengthReachedSignal.Emit(handle);
 950 }
 951
 952 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 953 {
 954   Dali::Toolkit::TextEditor handle(GetOwner());
 955
 956   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 957
 958   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 959   {
 960     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 961   }
 962   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 963   {
 964     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 965   }
 966   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 967   {
 968     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 969   }
 970   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 971   {
 972     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 973   }
 974   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 975   {
 976     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 977   }
 978   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 979   {
 980     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 981   }
 982   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 983   {
 984     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 985   }
 986   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 987   {
 988     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 989   }
 990   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 991   {
 992     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 993   }
 994   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 995   {
 996     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 997   }
 998   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 999   {
1000     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
1001   }
1002
1003   mInputStyleChangedSignal.Emit(handle, editorInputStyleMask);
1004 }
1005
1006 void TextEditor::AnchorClicked(const std::string& href)
1007 {
1008   Dali::Toolkit::TextEditor handle(GetOwner());
1009   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
1010 }
1011
1012 void TextEditor::EmitCursorPositionChangedSignal()
1013 {
1014   Dali::Toolkit::TextEditor handle(GetOwner());
1015   mCursorPositionChanged = false;
1016   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
1017 }
1018
1019 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
1020 {
1021   Dali::Toolkit::TextEditor handle(GetOwner());
1022   mInputFilteredSignal.Emit(handle, type);
1023 }
1024
1025 void TextEditor::EmitSelectionChangedSignal()
1026 {
1027   Dali::Toolkit::TextEditor handle(GetOwner());
1028   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
1029   mSelectionChanged = false;
1030 }
1031
1032 void TextEditor::EmitSelectionClearedSignal()
1033 {
1034   Dali::Toolkit::TextEditor handle(GetOwner());
1035   mSelectionClearedSignal.Emit(handle);
1036   mSelectionCleared = false;
1037 }
1038
1039 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
1040 {
1041   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
1042   {
1043     if(newStart == newEnd)
1044     {
1045       mSelectionCleared = true;
1046     }
1047
1048     mSelectionChanged  = true;
1049     mOldSelectionStart = oldStart;
1050     mOldSelectionEnd   = oldEnd;
1051
1052     if(mOldSelectionStart > mOldSelectionEnd)
1053     {
1054       //swap
1055       uint32_t temp      = mOldSelectionStart;
1056       mOldSelectionStart = mOldSelectionEnd;
1057       mOldSelectionEnd   = temp;
1058     }
1059   }
1060 }
1061
1062 void TextEditor::AddDecoration(Actor& actor, bool needsClipping)
1063 {
1064   if(actor)
1065   {
1066     if(needsClipping)
1067     {
1068       mClippingDecorationActors.push_back(actor);
1069     }
1070     else
1071     {
1072       actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1073       actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1074       Self().Add(actor);
1075       mActiveLayer = actor;
1076     }
1077   }
1078 }
1079
1080 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1081 {
1082   if(mController && mController->IsShowingRealText())
1083   {
1084     mController->SetTextSelectionRange(start, end);
1085     SetKeyInputFocus();
1086   }
1087 }
1088
1089 Uint32Pair TextEditor::GetTextSelectionRange() const
1090 {
1091   Uint32Pair range(0, 0);
1092   if(mController && mController->IsShowingRealText())
1093   {
1094     range = mController->GetTextSelectionRange();
1095   }
1096   return range;
1097 }
1098
1099 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1100 {
1101   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1102   Property::Map*  resultMap = propValue.GetMap();
1103
1104   Property::Value* colorValue = nullptr;
1105   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1106   {
1107     colorValue->Get(color);
1108   }
1109 }
1110
1111 void TextEditor::UpdateScrollBar()
1112 {
1113   using namespace Dali;
1114
1115   float scrollPosition;
1116   float controlSize;
1117   float layoutSize;
1118   bool  latestScrolled;
1119
1120   if(!mScrollBarEnabled)
1121   {
1122     return;
1123   }
1124   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1125   if(!latestScrolled || controlSize > layoutSize)
1126   {
1127     return;
1128   }
1129
1130   CustomActor self = Self();
1131   if(!mScrollBar)
1132   {
1133     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1134     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1135     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1136     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1137     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1138     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1139
1140     // Register the scroll position property
1141     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1142     // Register the minimum scroll position property
1143     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1144     // Register the maximum scroll position property
1145     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1146     // Register the scroll content size property
1147     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1148
1149     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1150
1151     // Set style name of ScrollBar for styling
1152     mScrollBar.SetStyleName("TextEditorScrollBar");
1153     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1154     if(scrollIndicator)
1155     {
1156       // Set style name of ScrollBarIndicator for styling
1157       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1158     }
1159
1160     self.Add(mScrollBar);
1161   }
1162   else
1163   {
1164     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1165     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1166     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1167
1168     self.SetProperty(propertyScrollPosition, scrollPosition);
1169     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1170     self.SetProperty(propertyScrollContentSize, layoutSize);
1171   }
1172
1173   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1174   if(!mScrollStarted)
1175   {
1176     mScrollStarted = true;
1177     Dali::Toolkit::TextEditor handle(GetOwner());
1178     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1179   }
1180
1181   Actor indicator = mScrollBar.GetScrollIndicator();
1182   if(mAnimation)
1183   {
1184     mAnimation.Stop(); // Cancel any animation
1185   }
1186   else
1187   {
1188     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1189   }
1190   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1191   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1192   mAnimation.Play();
1193   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1194 }
1195
1196 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1197 {
1198   // If animation is successfully ended, then emit ScrollStateChangedSignal
1199   if(animation.GetCurrentProgress() == 0.0f)
1200   {
1201     mScrollStarted = false;
1202     Dali::Toolkit::TextEditor handle(GetOwner());
1203     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1204   }
1205 }
1206
1207 void TextEditor::OnSceneConnect(Dali::Actor actor)
1208 {
1209   if(mHasBeenStaged)
1210   {
1211     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1212   }
1213   else
1214   {
1215     mHasBeenStaged = true;
1216   }
1217 }
1218
1219 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1220 {
1221   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1222   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1223 }
1224
1225 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1226 {
1227   if(mDecorator)
1228   {
1229     Property::Map map;
1230     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1231
1232     value = map;
1233   }
1234 }
1235
1236 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1237 {
1238   mController->PasteClipboardItemEvent();
1239 }
1240
1241 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1242 {
1243   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1244
1245   // Just hide the grab handle when keyboard is hidden.
1246   if(!keyboardShown)
1247   {
1248     mController->KeyboardFocusLostEvent();
1249   }
1250   else
1251   {
1252     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1253   }
1254 }
1255
1256 void TextEditor::OnSceneConnection(int depth)
1257 {
1258   // Sets the depth to the visuals inside the text's decorator.
1259   mDecorator->SetTextDepth(depth);
1260
1261   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1262
1263   // Call the Control::OnSceneConnection() to set the depth of the background.
1264   Control::OnSceneConnection(depth);
1265 }
1266
1267 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1268 {
1269   return false;
1270 }
1271
1272 void TextEditor::OnIdleSignal()
1273 {
1274   // Emits the change of input style signals.
1275   mController->ProcessInputStyleChangedSignals();
1276
1277   // Set the pointer to null as the callback manager deletes the callback after execute it.
1278   mIdleCallback = NULL;
1279 }
1280
1281 void TextEditor::ApplyScrollPosition()
1282 {
1283   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1284   float          scrollAmount = 0.0f;
1285
1286   if(mScrollAnimationEnabled)
1287   {
1288     scrollAmount = mController->GetScrollAmountByUserInput();
1289   }
1290   if(mTextVerticalScroller)
1291   {
1292     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1293   }
1294   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1295   {
1296     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1297   }
1298   else
1299   {
1300     mTextVerticalScroller = Text::TextVerticalScroller::New();
1301     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1302     {
1303       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1304     }
1305     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1306   }
1307 }
1308
1309 bool TextEditor::IsEditable() const
1310 {
1311   return mController->IsEditable();
1312 }
1313
1314 void TextEditor::SetEditable(bool editable)
1315 {
1316   mController->SetEditable(editable);
1317   if(mInputMethodContext && !editable)
1318   {
1319     mInputMethodContext.Deactivate();
1320   }
1321 }
1322
1323 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1324 {
1325   mController->ChangedLayoutDirection();
1326 }
1327
1328 TextEditor::TextEditor()
1329 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1330   mAnimationPeriod(0.0f, 0.0f),
1331   mIdleCallback(NULL),
1332   mAlignmentOffset(0.f),
1333   mScrollAnimationDuration(0.f),
1334   mLineSpacing(0.f),
1335   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1336   mHasBeenStaged(false),
1337   mScrollAnimationEnabled(false),
1338   mScrollBarEnabled(false),
1339   mScrollStarted(false),
1340   mTextChanged(false),
1341   mCursorPositionChanged(false),
1342   mSelectionChanged(false),
1343   mSelectionCleared(false),
1344   mOldPosition(0u),
1345   mOldSelectionStart(0u),
1346   mOldSelectionEnd(0u)
1347 {
1348 }
1349
1350 TextEditor::~TextEditor()
1351 {
1352   UnparentAndReset(mStencil);
1353
1354   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1355   {
1356     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1357     Adaptor::Get().RemoveIdle(mIdleCallback);
1358   }
1359 }
1360
1361 std::string TextEditor::AccessibleImpl::GetName()
1362 {
1363   auto self = Toolkit::TextEditor::DownCast(Self());
1364   return self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1365 }
1366
1367 std::string TextEditor::AccessibleImpl::GetText(size_t startOffset, size_t endOffset)
1368 {
1369   if(endOffset <= startOffset)
1370   {
1371     return {};
1372   }
1373
1374   auto self = Toolkit::TextEditor::DownCast(Self());
1375   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1376
1377   if(startOffset > text.size() || endOffset > text.size())
1378   {
1379     return {};
1380   }
1381
1382   return text.substr(startOffset, endOffset - startOffset);
1383 }
1384
1385 size_t TextEditor::AccessibleImpl::GetCharacterCount()
1386 {
1387   auto self = Toolkit::TextEditor::DownCast(Self());
1388   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1389
1390   return text.size();
1391 }
1392
1393 size_t TextEditor::AccessibleImpl::GetCursorOffset()
1394 {
1395   auto slf = Toolkit::TextEditor::DownCast(Self());
1396   return Dali::Toolkit::GetImpl(slf).GetTextController()->GetCursorPosition();
1397 }
1398
1399 bool TextEditor::AccessibleImpl::SetCursorOffset(size_t offset)
1400 {
1401   auto slf = Toolkit::TextEditor::DownCast(Self());
1402   auto txt = slf.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1403   if(offset > txt.size())
1404   {
1405     return false;
1406   }
1407
1408   auto& slfImpl = Dali::Toolkit::GetImpl(slf);
1409   slfImpl.GetTextController()->ResetCursorPosition(offset);
1410   slfImpl.RequestTextRelayout();
1411
1412   return true;
1413 }
1414
1415 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetTextAtOffset(size_t offset, Dali::Accessibility::TextBoundary boundary)
1416 {
1417   auto self     = Toolkit::TextEditor::DownCast(Self());
1418   auto text     = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1419   auto textSize = text.size();
1420
1421   auto range = Dali::Accessibility::Range{};
1422
1423   switch(boundary)
1424   {
1425     case Dali::Accessibility::TextBoundary::CHARACTER:
1426     {
1427       if(offset < textSize)
1428       {
1429         range.content     = text[offset];
1430         range.startOffset = offset;
1431         range.endOffset   = offset + 1;
1432       }
1433       break;
1434     }
1435     case Dali::Accessibility::TextBoundary::WORD:
1436     case Dali::Accessibility::TextBoundary::LINE:
1437     {
1438       auto textString = text.c_str();
1439       auto breaks     = std::vector<char>(textSize, 0);
1440
1441       if(boundary == Dali::Accessibility::TextBoundary::WORD)
1442       {
1443         Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1444       }
1445       else
1446       {
1447         Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1448       }
1449
1450       auto index   = 0u;
1451       auto counter = 0u;
1452       while(index < textSize && counter <= offset)
1453       {
1454         auto start = index;
1455         if(breaks[index])
1456         {
1457           while(breaks[index])
1458           {
1459             index++;
1460           }
1461           counter++;
1462         }
1463         else
1464         {
1465           if(boundary == Dali::Accessibility::TextBoundary::WORD)
1466           {
1467             index++;
1468           }
1469           if(boundary == Dali::Accessibility::TextBoundary::LINE)
1470           {
1471             counter++;
1472           }
1473         }
1474
1475         if((counter > 0) && ((counter - 1) == offset))
1476         {
1477           range.content     = text.substr(start, index - start + 1);
1478           range.startOffset = start;
1479           range.endOffset   = index + 1;
1480         }
1481
1482         if(boundary == Dali::Accessibility::TextBoundary::LINE)
1483         {
1484           index++;
1485         }
1486       }
1487       break;
1488     }
1489     case Dali::Accessibility::TextBoundary::SENTENCE:
1490     {
1491       /* not supported by default */
1492       break;
1493     }
1494     case Dali::Accessibility::TextBoundary::PARAGRAPH:
1495     {
1496       /* Paragraph is not supported by libunibreak library */
1497       break;
1498     }
1499     default:
1500       break;
1501   }
1502
1503   return range;
1504 }
1505
1506 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetRangeOfSelection(size_t selectionIndex)
1507 {
1508   // Since DALi supports only one selection indexes higher than 0 are ignored
1509   if(selectionIndex > 0)
1510   {
1511     return {};
1512   }
1513
1514   auto        self       = Toolkit::TextEditor::DownCast(Self());
1515   auto        controller = Dali::Toolkit::GetImpl(self).GetTextController();
1516   std::string value{};
1517   controller->RetrieveSelection(value);
1518   auto indices = controller->GetSelectionIndexes();
1519
1520   return {static_cast<size_t>(indices.first), static_cast<size_t>(indices.second), value};
1521 }
1522
1523 bool TextEditor::AccessibleImpl::RemoveSelection(size_t selectionIndex)
1524 {
1525   // Since DALi supports only one selection indexes higher than 0 are ignored
1526   if(selectionIndex > 0)
1527   {
1528     return false;
1529   }
1530
1531   auto self = Toolkit::TextEditor::DownCast(Self());
1532   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1533   return true;
1534 }
1535
1536 bool TextEditor::AccessibleImpl::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1537 {
1538   // Since DALi supports only one selection indexes higher than 0 are ignored
1539   if(selectionIndex > 0)
1540   {
1541     return false;
1542   }
1543
1544   auto self = Toolkit::TextEditor::DownCast(Self());
1545   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1546   return true;
1547 }
1548
1549 bool TextEditor::AccessibleImpl::CopyText(size_t startPosition, size_t endPosition)
1550 {
1551   if(endPosition <= startPosition)
1552   {
1553     return false;
1554   }
1555
1556   auto self = Toolkit::TextEditor::DownCast(Self());
1557   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1558   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1559
1560   return true;
1561 }
1562
1563 bool TextEditor::AccessibleImpl::CutText(size_t startPosition, size_t endPosition)
1564 {
1565   if(endPosition <= startPosition)
1566   {
1567     return false;
1568   }
1569
1570   auto self = Toolkit::TextEditor::DownCast(Self());
1571   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1572   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1573
1574   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1575
1576   return true;
1577 }
1578
1579 bool TextEditor::AccessibleImpl::DeleteText(size_t startPosition, size_t endPosition)
1580 {
1581   if(endPosition <= startPosition)
1582   {
1583     return false;
1584   }
1585
1586   auto self = Toolkit::TextEditor::DownCast(Self());
1587   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1588
1589   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1590
1591   return true;
1592 }
1593
1594 Dali::Accessibility::States TextEditor::AccessibleImpl::CalculateStates()
1595 {
1596   using namespace Dali::Accessibility;
1597
1598   auto states              = DevelControl::AccessibleImpl::CalculateStates();
1599   states[State::EDITABLE]  = true;
1600   states[State::FOCUSABLE] = true;
1601
1602   Toolkit::Control focusControl = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
1603   if(mSelf == focusControl)
1604   {
1605     states[State::FOCUSED] = true;
1606   }
1607
1608   return states;
1609 }
1610
1611 bool TextEditor::AccessibleImpl::InsertText(size_t startPosition, std::string text)
1612 {
1613   auto self         = Toolkit::TextEditor::DownCast(Self());
1614   auto insertedText = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1615
1616   insertedText.insert(startPosition, text);
1617
1618   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(insertedText));
1619
1620   return true;
1621 }
1622
1623 bool TextEditor::AccessibleImpl::SetTextContents(std::string newContents)
1624 {
1625   auto self = Toolkit::TextEditor::DownCast(Self());
1626   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(newContents));
1627   return true;
1628 }
1629
1630 } // namespace Internal
1631
1632 } // namespace Toolkit
1633
1634 } // namespace Dali