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

   1 /*
   2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali-toolkit/internal/controls/text-controls/text-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, "enableFontSizeScale",                  BOOLEAN,   ENABLE_FONT_SIZE_SCALE              )
 150 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "primaryCursorPosition",                INTEGER,   PRIMARY_CURSOR_POSITION             )
 151 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "grabHandleColor",                      VECTOR4,   GRAB_HANDLE_COLOR                   )
 152 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandlePopup",                BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 153 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputMethodSettings",                  MAP,       INPUT_METHOD_SETTINGS               )
 154 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputFilter",                          MAP,       INPUT_FILTER                        )
 155 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsis",                             BOOLEAN,   ELLIPSIS                            )
 156 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsisPosition",                     INTEGER,   ELLIPSIS_POSITION                   )
 157 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "minLineSize",                          FLOAT,     MIN_LINE_SIZE                       )
 158
 159 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "textChanged",           SIGNAL_TEXT_CHANGED           )
 160 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 161 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 162 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 163 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 164 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 165 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 166 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 167
 168 DALI_TYPE_REGISTRATION_END()
 169 // clang-format on
 170
 171 Toolkit::TextEditor::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 172 {
 173   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 174
 175   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 176   {
 177     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 178   }
 179   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 180   {
 181     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 182   }
 183   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 184   {
 185     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 186   }
 187   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 188   {
 189     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 190   }
 191   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 192   {
 193     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 194   }
 195   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 196   {
 197     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 198   }
 199   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 200   {
 201     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 202   }
 203   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 204   {
 205     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 206   }
 207   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 208   {
 209     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 210   }
 211   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 212   {
 213     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 214   }
 215   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 216   {
 217     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
 218   }
 219   return editorInputStyleMask;
 220 }
 221
 222 } // namespace
 223
 224 Toolkit::TextEditor TextEditor::New()
 225 {
 226   // Create the implementation, temporarily owned by this handle on stack
 227   IntrusivePtr<TextEditor> impl = new TextEditor();
 228
 229   // Pass ownership to CustomActor handle
 230   Toolkit::TextEditor handle(*impl);
 231
 232   // Second-phase init of the implementation
 233   // This can only be done after the CustomActor connection has been made...
 234   impl->Initialize();
 235
 236   return handle;
 237 }
 238
 239 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 240 {
 241   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 242
 243   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 244
 245   if(textEditor)
 246   {
 247     PropertyHandler::SetProperty(textEditor, index, value);
 248   }
 249 }
 250
 251 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 252 {
 253   Property::Value value;
 254
 255   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 256
 257   if(textEditor)
 258   {
 259     value = PropertyHandler::GetProperty(textEditor, index);
 260   }
 261   return value;
 262 }
 263
 264 void TextEditor::SelectWholeText()
 265 {
 266   if(mController && mController->IsShowingRealText())
 267   {
 268     mController->SelectWholeText();
 269     SetKeyInputFocus();
 270   }
 271 }
 272
 273 void TextEditor::SelectNone()
 274 {
 275   if(mController && mController->IsShowingRealText())
 276   {
 277     mController->SelectNone();
 278   }
 279 }
 280
 281 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 282 {
 283   if(mController && mController->IsShowingRealText())
 284   {
 285     mController->SelectText(start, end);
 286     SetKeyInputFocus();
 287   }
 288 }
 289
 290 string TextEditor::CopyText()
 291 {
 292   string copiedText = "";
 293   if(mController && mController->IsShowingRealText())
 294   {
 295     copiedText = mController->CopyText();
 296   }
 297   return copiedText;
 298 }
 299
 300 string TextEditor::CutText()
 301 {
 302   string cutText = "";
 303   if(mController && mController->IsShowingRealText())
 304   {
 305     cutText = mController->CutText();
 306   }
 307   return cutText;
 308 }
 309
 310 void TextEditor::PasteText()
 311 {
 312   if(mController)
 313   {
 314     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 315     mController->PasteText();
 316   }
 317 }
 318
 319 void TextEditor::ScrollBy(Vector2 scroll)
 320 {
 321   if(mController && mController->IsShowingRealText())
 322   {
 323     mController->ScrollBy(scroll);
 324   }
 325 }
 326
 327 float TextEditor::GetHorizontalScrollPosition()
 328 {
 329   if(mController && mController->IsShowingRealText())
 330   {
 331     return mController->GetHorizontalScrollPosition();
 332   }
 333   return 0;
 334 }
 335
 336 float TextEditor::GetVerticalScrollPosition()
 337 {
 338   if(mController && mController->IsShowingRealText())
 339   {
 340     return mController->GetVerticalScrollPosition();
 341   }
 342   return 0;
 343 }
 344
 345 Vector<Vector2> TextEditor::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
 346 {
 347   return mController->GetTextSize(startIndex, endIndex);
 348 }
 349
 350 Vector<Vector2> TextEditor::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
 351 {
 352   return mController->GetTextPosition(startIndex, endIndex);
 353 }
 354
 355 string TextEditor::GetSelectedText() const
 356 {
 357   string selectedText = "";
 358   if(mController && mController->IsShowingRealText())
 359   {
 360     selectedText = mController->GetSelectedText();
 361   }
 362   return selectedText;
 363 }
 364
 365 InputMethodContext TextEditor::GetInputMethodContext()
 366 {
 367   return mInputMethodContext;
 368 }
 369
 370 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 371 {
 372   return mMaxLengthReachedSignal;
 373 }
 374
 375 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 376 {
 377   return mAnchorClickedSignal;
 378 }
 379
 380 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 381 {
 382   return mCursorPositionChangedSignal;
 383 }
 384
 385 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 386 {
 387   return mInputFilteredSignal;
 388 }
 389
 390 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 391 {
 392   return mSelectionChangedSignal;
 393 }
 394
 395 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 396 {
 397   return mSelectionClearedSignal;
 398 }
 399
 400 Text::ControllerPtr TextEditor::GetTextController()
 401 {
 402   return mController;
 403 }
 404
 405 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 406 {
 407   Dali::BaseHandle handle(object);
 408
 409   bool                connected(true);
 410   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 411
 412   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 413   {
 414     editor.TextChangedSignal().Connect(tracker, functor);
 415   }
 416   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 417   {
 418     editor.InputStyleChangedSignal().Connect(tracker, functor);
 419   }
 420   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 421   {
 422     if(editor)
 423     {
 424       Internal::TextEditor& editorImpl(GetImpl(editor));
 425       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 426     }
 427   }
 428   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 429   {
 430     if(editor)
 431     {
 432       Internal::TextEditor& editorImpl(GetImpl(editor));
 433       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 434     }
 435   }
 436   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 437   {
 438     if(editor)
 439     {
 440       Internal::TextEditor& editorImpl(GetImpl(editor));
 441       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 442     }
 443   }
 444   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 445   {
 446     if(editor)
 447     {
 448       Internal::TextEditor& editorImpl(GetImpl(editor));
 449       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 450     }
 451   }
 452   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 453   {
 454     if(editor)
 455     {
 456       Internal::TextEditor& editorImpl(GetImpl(editor));
 457       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 458     }
 459   }
 460   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 461   {
 462     if(editor)
 463     {
 464       Internal::TextEditor& editorImpl(GetImpl(editor));
 465       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 466     }
 467   }
 468   else
 469   {
 470     // signalName does not match any signal
 471     connected = false;
 472   }
 473
 474   return connected;
 475 }
 476
 477 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 478 {
 479   return mTextChangedSignal;
 480 }
 481
 482 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 483 {
 484   return mInputStyleChangedSignal;
 485 }
 486
 487 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 488 {
 489   return mScrollStateChangedSignal;
 490 }
 491
 492 void TextEditor::OnAccessibilityStatusChanged()
 493 {
 494   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 495 }
 496
 497 void TextEditor::OnInitialize()
 498 {
 499   Actor self = Self();
 500
 501   mController = Text::Controller::New(this, this, this, this);
 502
 503   mDecorator = Text::Decorator::New(*mController,
 504                                     *mController);
 505
 506   mInputMethodContext = InputMethodContext::New(self);
 507
 508   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 509
 510   // Enables the text input.
 511   mController->EnableTextInput(mDecorator, mInputMethodContext);
 512
 513   // Enables the vertical scrolling after the text input has been enabled.
 514   mController->SetVerticalScrollEnabled(true);
 515
 516   // Disables the horizontal scrolling.
 517   mController->SetHorizontalScrollEnabled(false);
 518
 519   // Sets the maximum number of characters.
 520   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 521
 522   // Enable the smooth handle panning.
 523   mController->SetSmoothHandlePanEnabled(true);
 524
 525   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 526   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 527
 528   // Sets layoutDirection value
 529   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 530   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 531   mController->SetLayoutDirection(layoutDirection);
 532
 533   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 534
 535   // Forward input events to controller
 536   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 537   GetTapGestureDetector().SetMaximumTapsRequired(2);
 538   GetTapGestureDetector().ReceiveAllTapEvents(true);
 539
 540   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 541
 542   // Set BoundingBox to stage size if not already set.
 543   Rect<int> boundingBox;
 544   mDecorator->GetBoundingBox(boundingBox);
 545
 546   if(boundingBox.IsEmpty())
 547   {
 548     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 549     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 550   }
 551
 552   // Whether to flip the selection handles as soon as they cross.
 553   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 554
 555   // Set the default scroll speed.
 556   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 557
 558   // Fill-parent area by default
 559   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 560   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 561   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 562
 563   //Enable highightability
 564   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 565
 566   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 567
 568   // Creates an extra control to be used as stencil buffer.
 569   mStencil = Control::New();
 570   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 571   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 572
 573   // Creates a background visual. Even if the color is transparent it updates the stencil.
 574   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 575                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 576
 577   // Enable the clipping property.
 578   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 579   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 580
 581   self.Add(mStencil);
 582
 583   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 584     return std::unique_ptr<Dali::Accessibility::Accessible>(
 585       new AccessibleImpl(actor, Dali::Accessibility::Role::ENTRY));
 586   });
 587
 588   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 589   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 590 }
 591
 592 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 593 {
 594   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 595
 596   switch(change)
 597   {
 598     case StyleChange::DEFAULT_FONT_CHANGE:
 599     {
 600       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 601       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 602       // Property system did not set the font so should update it.
 603       mController->UpdateAfterFontChange(newFont);
 604       RelayoutRequest();
 605       break;
 606     }
 607
 608     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 609     {
 610       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 611       RelayoutRequest();
 612       break;
 613     }
 614     case StyleChange::THEME_CHANGE:
 615     {
 616       // Nothing to do, let control base class handle this
 617       break;
 618     }
 619   }
 620
 621   // Up call to Control
 622   Control::OnStyleChange(styleManager, change);
 623 }
 624
 625 Vector3 TextEditor::GetNaturalSize()
 626 {
 627   Extents padding;
 628   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 629
 630   Vector3 naturalSize = mController->GetNaturalSize();
 631   naturalSize.width += (padding.start + padding.end);
 632   naturalSize.height += (padding.top + padding.bottom);
 633
 634   return naturalSize;
 635 }
 636
 637 float TextEditor::GetHeightForWidth(float width)
 638 {
 639   Extents padding;
 640   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 641   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 642 }
 643
 644 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 645 {
 646   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 647   {
 648     actor.SetProperty(Actor::Property::SIZE, size);
 649   }
 650 }
 651
 652 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 653 {
 654   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 655
 656   Actor self = Self();
 657
 658   Extents padding;
 659   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 660
 661   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 662
 663   // Support Right-To-Left of padding
 664   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 665
 666   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 667   {
 668     std::swap(padding.start, padding.end);
 669   }
 670
 671   if(mStencil)
 672   {
 673     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 674     ResizeActor(mStencil, contentSize);
 675   }
 676   if(mActiveLayer)
 677   {
 678     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 679     ResizeActor(mActiveLayer, contentSize);
 680   }
 681
 682   // If there is text changed, callback is called.
 683   if(mTextChanged)
 684   {
 685     EmitTextChangedSignal();
 686   }
 687
 688   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 689
 690   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 691      !mRenderer)
 692   {
 693     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 694
 695     if(mDecorator &&
 696        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 697     {
 698       mDecorator->Relayout(contentSize);
 699     }
 700
 701     if(!mRenderer)
 702     {
 703       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 704     }
 705
 706     RenderText(updateTextType);
 707   }
 708
 709   if(mCursorPositionChanged)
 710   {
 711     EmitCursorPositionChangedSignal();
 712   }
 713
 714   if(mSelectionChanged)
 715   {
 716     EmitSelectionChangedSignal();
 717   }
 718
 719   if(mSelectionCleared)
 720   {
 721     EmitSelectionClearedSignal();
 722   }
 723
 724   // The text-editor emits signals when the input style changes. These changes of style are
 725   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 726   // can't be emitted during the size negotiation as the callbacks may update the UI.
 727   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 728   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 729   {
 730     if(Adaptor::IsAvailable())
 731     {
 732       Adaptor& adaptor = Adaptor::Get();
 733
 734       if(NULL == mIdleCallback)
 735       {
 736         // @note: The callback manager takes the ownership of the callback object.
 737         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 738         adaptor.AddIdle(mIdleCallback, false);
 739       }
 740     }
 741   }
 742 }
 743
 744 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 745 {
 746   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 747   if(mRenderableActor)
 748   {
 749     ApplyScrollPosition();
 750   }
 751   UpdateScrollBar();
 752 }
 753
 754 void TextEditor::OnKeyInputFocusGained()
 755 {
 756   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 757   if(mInputMethodContext && IsEditable())
 758   {
 759     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 760     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 761     mInputMethodContext.NotifyTextInputMultiLine(true);
 762
 763     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 764
 765     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 766
 767     // Notify that the text editing start.
 768     mInputMethodContext.Activate();
 769
 770     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 771     mInputMethodContext.SetRestoreAfterFocusLost(true);
 772   }
 773   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 774
 775   if(notifier)
 776   {
 777     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 778   }
 779
 780   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 781
 782   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 783 }
 784
 785 void TextEditor::OnKeyInputFocusLost()
 786 {
 787   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 788   if(mInputMethodContext)
 789   {
 790     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 791
 792     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 793     mInputMethodContext.SetRestoreAfterFocusLost(false);
 794
 795     // Notify that the text editing finish.
 796     mInputMethodContext.Deactivate();
 797
 798     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 799   }
 800   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 801
 802   if(notifier)
 803   {
 804     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 805   }
 806
 807   mController->KeyboardFocusLostEvent();
 808
 809   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 810 }
 811
 812 bool TextEditor::OnAccessibilityActivated()
 813 {
 814   SetKeyInputFocus();
 815   return true;
 816 }
 817
 818 void TextEditor::OnTap(const TapGesture& gesture)
 819 {
 820   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 821   if(mInputMethodContext && IsEditable())
 822   {
 823     mInputMethodContext.Activate();
 824   }
 825   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 826   Extents padding;
 827   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 828   const Vector2& localPoint = gesture.GetLocalPoint();
 829   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 830   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 831
 832   SetKeyInputFocus();
 833 }
 834
 835 void TextEditor::OnPan(const PanGesture& gesture)
 836 {
 837   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 838 }
 839
 840 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 841 {
 842   if(mInputMethodContext && IsEditable())
 843   {
 844     mInputMethodContext.Activate();
 845   }
 846   Extents padding;
 847   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 848   const Vector2& localPoint = gesture.GetLocalPoint();
 849   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 850
 851   SetKeyInputFocus();
 852 }
 853
 854 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 855 {
 856   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 857
 858   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 859   {
 860     // Make sure ClearKeyInputFocus when only key is up
 861     if(event.GetState() == KeyEvent::UP)
 862     {
 863       ClearKeyInputFocus();
 864     }
 865
 866     return true;
 867   }
 868
 869   return mController->KeyEvent(event);
 870 }
 871
 872 void TextEditor::RequestTextRelayout()
 873 {
 874   RelayoutRequest();
 875 }
 876
 877 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 878 {
 879   if(Accessibility::IsUp())
 880   {
 881     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 882   }
 883 }
 884
 885 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 886 {
 887   if(Accessibility::IsUp())
 888   {
 889     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 890   }
 891 }
 892
 893 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 894 {
 895   if(Accessibility::IsUp())
 896   {
 897     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 898   }
 899
 900   if((oldPosition != newPosition) && !mCursorPositionChanged)
 901   {
 902     mCursorPositionChanged = true;
 903     mOldPosition           = oldPosition;
 904   }
 905 }
 906
 907 void TextEditor::TextChanged(bool immediate)
 908 {
 909   if(immediate) // Emits TextChangedSignal immediately
 910   {
 911     EmitTextChangedSignal();
 912   }
 913   else
 914   {
 915     mTextChanged = true;
 916   }
 917 }
 918
 919 void TextEditor::EmitTextChangedSignal()
 920 {
 921   Dali::Toolkit::TextEditor handle(GetOwner());
 922   mTextChangedSignal.Emit(handle);
 923   mTextChanged = false;
 924 }
 925
 926 void TextEditor::MaxLengthReached()
 927 {
 928   Dali::Toolkit::TextEditor handle(GetOwner());
 929   mMaxLengthReachedSignal.Emit(handle);
 930 }
 931
 932 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 933 {
 934   Dali::Toolkit::TextEditor handle(GetOwner());
 935   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 936 }
 937
 938 void TextEditor::AnchorClicked(const std::string& href)
 939 {
 940   Dali::Toolkit::TextEditor handle(GetOwner());
 941   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 942 }
 943
 944 void TextEditor::EmitCursorPositionChangedSignal()
 945 {
 946   Dali::Toolkit::TextEditor handle(GetOwner());
 947   mCursorPositionChanged = false;
 948   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 949 }
 950
 951 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
 952 {
 953   Dali::Toolkit::TextEditor handle(GetOwner());
 954   mInputFilteredSignal.Emit(handle, type);
 955 }
 956
 957 void TextEditor::EmitSelectionChangedSignal()
 958 {
 959   Dali::Toolkit::TextEditor handle(GetOwner());
 960   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 961   mSelectionChanged = false;
 962 }
 963
 964 void TextEditor::EmitSelectionClearedSignal()
 965 {
 966   Dali::Toolkit::TextEditor handle(GetOwner());
 967   mSelectionClearedSignal.Emit(handle);
 968   mSelectionCleared = false;
 969 }
 970
 971 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
 972 {
 973   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
 974   {
 975     if(newStart == newEnd)
 976     {
 977       mSelectionCleared = true;
 978     }
 979
 980     mSelectionChanged  = true;
 981     mOldSelectionStart = oldStart;
 982     mOldSelectionEnd   = oldEnd;
 983
 984     if(mOldSelectionStart > mOldSelectionEnd)
 985     {
 986       //swap
 987       uint32_t temp      = mOldSelectionStart;
 988       mOldSelectionStart = mOldSelectionEnd;
 989       mOldSelectionEnd   = temp;
 990     }
 991   }
 992 }
 993
 994 void TextEditor::AddDecoration(Actor& actor, bool needsClipping)
 995 {
 996   if(actor)
 997   {
 998     if(needsClipping)
 999     {
1000       mClippingDecorationActors.push_back(actor);
1001     }
1002     else
1003     {
1004       actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1005       actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1006       Self().Add(actor);
1007       mActiveLayer = actor;
1008     }
1009   }
1010 }
1011
1012 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1013 {
1014   if(mController && mController->IsShowingRealText())
1015   {
1016     mController->SetTextSelectionRange(start, end);
1017     SetKeyInputFocus();
1018   }
1019 }
1020
1021 Uint32Pair TextEditor::GetTextSelectionRange() const
1022 {
1023   Uint32Pair range(0, 0);
1024   if(mController && mController->IsShowingRealText())
1025   {
1026     range = mController->GetTextSelectionRange();
1027   }
1028   return range;
1029 }
1030
1031 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1032 {
1033   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1034   Property::Map*  resultMap = propValue.GetMap();
1035
1036   Property::Value* colorValue = nullptr;
1037   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1038   {
1039     colorValue->Get(color);
1040   }
1041 }
1042
1043 void TextEditor::UpdateScrollBar()
1044 {
1045   using namespace Dali;
1046
1047   float scrollPosition;
1048   float controlSize;
1049   float layoutSize;
1050   bool  latestScrolled;
1051
1052   if(!mScrollBarEnabled)
1053   {
1054     return;
1055   }
1056   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1057   if(!latestScrolled || controlSize > layoutSize)
1058   {
1059     return;
1060   }
1061
1062   CustomActor self = Self();
1063   if(!mScrollBar)
1064   {
1065     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1066     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1067     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1068     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1069     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1070     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1071
1072     // Register the scroll position property
1073     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1074     // Register the minimum scroll position property
1075     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1076     // Register the maximum scroll position property
1077     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1078     // Register the scroll content size property
1079     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1080
1081     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1082
1083     // Set style name of ScrollBar for styling
1084     mScrollBar.SetStyleName("TextEditorScrollBar");
1085     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1086     if(scrollIndicator)
1087     {
1088       // Set style name of ScrollBarIndicator for styling
1089       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1090     }
1091
1092     self.Add(mScrollBar);
1093   }
1094   else
1095   {
1096     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1097     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1098     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1099
1100     self.SetProperty(propertyScrollPosition, scrollPosition);
1101     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1102     self.SetProperty(propertyScrollContentSize, layoutSize);
1103   }
1104
1105   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1106   if(!mScrollStarted)
1107   {
1108     mScrollStarted = true;
1109     Dali::Toolkit::TextEditor handle(GetOwner());
1110     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1111   }
1112
1113   Actor indicator = mScrollBar.GetScrollIndicator();
1114   if(mAnimation)
1115   {
1116     mAnimation.Stop(); // Cancel any animation
1117   }
1118   else
1119   {
1120     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1121   }
1122   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1123   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1124   mAnimation.Play();
1125   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1126 }
1127
1128 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1129 {
1130   // If animation is successfully ended, then emit ScrollStateChangedSignal
1131   if(animation.GetCurrentProgress() == 0.0f)
1132   {
1133     mScrollStarted = false;
1134     Dali::Toolkit::TextEditor handle(GetOwner());
1135     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1136   }
1137 }
1138
1139 void TextEditor::OnSceneConnect(Dali::Actor actor)
1140 {
1141   if(mHasBeenStaged)
1142   {
1143     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1144   }
1145   else
1146   {
1147     mHasBeenStaged = true;
1148   }
1149 }
1150
1151 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1152 {
1153   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1154   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1155 }
1156
1157 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1158 {
1159   if(mDecorator)
1160   {
1161     Property::Map map;
1162     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1163
1164     value = map;
1165   }
1166 }
1167
1168 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1169 {
1170   mController->PasteClipboardItemEvent();
1171 }
1172
1173 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1174 {
1175   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1176
1177   // Just hide the grab handle when keyboard is hidden.
1178   if(!keyboardShown)
1179   {
1180     mController->KeyboardFocusLostEvent();
1181   }
1182   else
1183   {
1184     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1185   }
1186 }
1187
1188 void TextEditor::OnSceneConnection(int depth)
1189 {
1190   // Sets the depth to the visuals inside the text's decorator.
1191   mDecorator->SetTextDepth(depth);
1192
1193   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1194
1195   // Call the Control::OnSceneConnection() to set the depth of the background.
1196   Control::OnSceneConnection(depth);
1197 }
1198
1199 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1200 {
1201   return false;
1202 }
1203
1204 void TextEditor::OnIdleSignal()
1205 {
1206   // Emits the change of input style signals.
1207   mController->ProcessInputStyleChangedSignals();
1208
1209   // Set the pointer to null as the callback manager deletes the callback after execute it.
1210   mIdleCallback = NULL;
1211 }
1212
1213 void TextEditor::ApplyScrollPosition()
1214 {
1215   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1216   float          scrollAmount = 0.0f;
1217
1218   if(mScrollAnimationEnabled)
1219   {
1220     scrollAmount = mController->GetScrollAmountByUserInput();
1221   }
1222   if(mTextVerticalScroller)
1223   {
1224     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1225   }
1226   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1227   {
1228     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1229   }
1230   else
1231   {
1232     mTextVerticalScroller = Text::TextVerticalScroller::New();
1233     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1234     {
1235       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1236     }
1237     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1238   }
1239 }
1240
1241 bool TextEditor::IsEditable() const
1242 {
1243   return mController->IsEditable();
1244 }
1245
1246 void TextEditor::SetEditable(bool editable)
1247 {
1248   mController->SetEditable(editable);
1249   if(mInputMethodContext && !editable)
1250   {
1251     mInputMethodContext.Deactivate();
1252   }
1253 }
1254
1255 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1256 {
1257   mController->ChangedLayoutDirection();
1258 }
1259
1260 TextEditor::TextEditor()
1261 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1262   mAnimationPeriod(0.0f, 0.0f),
1263   mIdleCallback(NULL),
1264   mAlignmentOffset(0.f),
1265   mScrollAnimationDuration(0.f),
1266   mLineSpacing(0.f),
1267   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1268   mHasBeenStaged(false),
1269   mScrollAnimationEnabled(false),
1270   mScrollBarEnabled(false),
1271   mScrollStarted(false),
1272   mTextChanged(false),
1273   mCursorPositionChanged(false),
1274   mSelectionChanged(false),
1275   mSelectionCleared(false),
1276   mOldPosition(0u),
1277   mOldSelectionStart(0u),
1278   mOldSelectionEnd(0u)
1279 {
1280 }
1281
1282 TextEditor::~TextEditor()
1283 {
1284   UnparentAndReset(mStencil);
1285
1286   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1287   {
1288     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1289     Adaptor::Get().RemoveIdle(mIdleCallback);
1290   }
1291 }
1292
1293 std::string TextEditor::AccessibleImpl::GetName() const
1294 {
1295   auto self = Toolkit::TextEditor::DownCast(Self());
1296   return self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1297 }
1298
1299 std::string TextEditor::AccessibleImpl::GetText(size_t startOffset, size_t endOffset) const
1300 {
1301   if(endOffset <= startOffset)
1302   {
1303     return {};
1304   }
1305
1306   auto self = Toolkit::TextEditor::DownCast(Self());
1307   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1308
1309   if(startOffset > text.size() || endOffset > text.size())
1310   {
1311     return {};
1312   }
1313
1314   return text.substr(startOffset, endOffset - startOffset);
1315 }
1316
1317 size_t TextEditor::AccessibleImpl::GetCharacterCount() const
1318 {
1319   auto self = Toolkit::TextEditor::DownCast(Self());
1320   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1321
1322   return text.size();
1323 }
1324
1325 size_t TextEditor::AccessibleImpl::GetCursorOffset() const
1326 {
1327   auto slf = Toolkit::TextEditor::DownCast(Self());
1328   return Dali::Toolkit::GetImpl(slf).GetTextController()->GetCursorPosition();
1329 }
1330
1331 bool TextEditor::AccessibleImpl::SetCursorOffset(size_t offset)
1332 {
1333   auto slf = Toolkit::TextEditor::DownCast(Self());
1334   auto txt = slf.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1335   if(offset > txt.size())
1336   {
1337     return false;
1338   }
1339
1340   auto& slfImpl = Dali::Toolkit::GetImpl(slf);
1341   slfImpl.GetTextController()->ResetCursorPosition(offset);
1342   slfImpl.RequestTextRelayout();
1343
1344   return true;
1345 }
1346
1347 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetTextAtOffset(size_t offset, Dali::Accessibility::TextBoundary boundary) const
1348 {
1349   auto self     = Toolkit::TextEditor::DownCast(Self());
1350   auto text     = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1351   auto textSize = text.size();
1352
1353   auto range = Dali::Accessibility::Range{};
1354
1355   switch(boundary)
1356   {
1357     case Dali::Accessibility::TextBoundary::CHARACTER:
1358     {
1359       if(offset < textSize)
1360       {
1361         range.content     = text[offset];
1362         range.startOffset = offset;
1363         range.endOffset   = offset + 1;
1364       }
1365       break;
1366     }
1367     case Dali::Accessibility::TextBoundary::WORD:
1368     case Dali::Accessibility::TextBoundary::LINE:
1369     {
1370       auto textString = text.c_str();
1371       auto breaks     = std::vector<char>(textSize, 0);
1372
1373       if(boundary == Dali::Accessibility::TextBoundary::WORD)
1374       {
1375         Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1376       }
1377       else
1378       {
1379         Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1380       }
1381
1382       auto index   = 0u;
1383       auto counter = 0u;
1384       while(index < textSize && counter <= offset)
1385       {
1386         auto start = index;
1387         if(breaks[index])
1388         {
1389           while(breaks[index])
1390           {
1391             index++;
1392           }
1393           counter++;
1394         }
1395         else
1396         {
1397           if(boundary == Dali::Accessibility::TextBoundary::WORD)
1398           {
1399             index++;
1400           }
1401           if(boundary == Dali::Accessibility::TextBoundary::LINE)
1402           {
1403             counter++;
1404           }
1405         }
1406
1407         if((counter > 0) && ((counter - 1) == offset))
1408         {
1409           range.content     = text.substr(start, index - start + 1);
1410           range.startOffset = start;
1411           range.endOffset   = index + 1;
1412         }
1413
1414         if(boundary == Dali::Accessibility::TextBoundary::LINE)
1415         {
1416           index++;
1417         }
1418       }
1419       break;
1420     }
1421     case Dali::Accessibility::TextBoundary::SENTENCE:
1422     {
1423       /* not supported by default */
1424       break;
1425     }
1426     case Dali::Accessibility::TextBoundary::PARAGRAPH:
1427     {
1428       /* Paragraph is not supported by libunibreak library */
1429       break;
1430     }
1431     default:
1432       break;
1433   }
1434
1435   return range;
1436 }
1437
1438 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetRangeOfSelection(size_t selectionIndex) const
1439 {
1440   // Since DALi supports only one selection indexes higher than 0 are ignored
1441   if(selectionIndex > 0)
1442   {
1443     return {};
1444   }
1445
1446   auto        self       = Toolkit::TextEditor::DownCast(Self());
1447   auto        controller = Dali::Toolkit::GetImpl(self).GetTextController();
1448   std::string value{};
1449   controller->RetrieveSelection(value);
1450   auto indices = controller->GetSelectionIndexes();
1451
1452   return {static_cast<size_t>(indices.first), static_cast<size_t>(indices.second), value};
1453 }
1454
1455 bool TextEditor::AccessibleImpl::RemoveSelection(size_t selectionIndex)
1456 {
1457   // Since DALi supports only one selection indexes higher than 0 are ignored
1458   if(selectionIndex > 0)
1459   {
1460     return false;
1461   }
1462
1463   auto self = Toolkit::TextEditor::DownCast(Self());
1464   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1465   return true;
1466 }
1467
1468 bool TextEditor::AccessibleImpl::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1469 {
1470   // Since DALi supports only one selection indexes higher than 0 are ignored
1471   if(selectionIndex > 0)
1472   {
1473     return false;
1474   }
1475
1476   auto self = Toolkit::TextEditor::DownCast(Self());
1477   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1478   return true;
1479 }
1480
1481 bool TextEditor::AccessibleImpl::CopyText(size_t startPosition, size_t endPosition)
1482 {
1483   if(endPosition <= startPosition)
1484   {
1485     return false;
1486   }
1487
1488   auto self = Toolkit::TextEditor::DownCast(Self());
1489   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1490   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1491
1492   return true;
1493 }
1494
1495 bool TextEditor::AccessibleImpl::CutText(size_t startPosition, size_t endPosition)
1496 {
1497   if(endPosition <= startPosition)
1498   {
1499     return false;
1500   }
1501
1502   auto self = Toolkit::TextEditor::DownCast(Self());
1503   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1504   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1505
1506   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1507
1508   return true;
1509 }
1510
1511 bool TextEditor::AccessibleImpl::DeleteText(size_t startPosition, size_t endPosition)
1512 {
1513   if(endPosition <= startPosition)
1514   {
1515     return false;
1516   }
1517
1518   auto self = Toolkit::TextEditor::DownCast(Self());
1519   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1520
1521   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1522
1523   return true;
1524 }
1525
1526 Dali::Accessibility::States TextEditor::AccessibleImpl::CalculateStates()
1527 {
1528   using namespace Dali::Accessibility;
1529
1530   auto states              = DevelControl::ControlAccessible::CalculateStates();
1531   states[State::EDITABLE]  = true;
1532   states[State::FOCUSABLE] = true;
1533
1534   Toolkit::Control focusControl = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
1535   if(Self() == focusControl)
1536   {
1537     states[State::FOCUSED] = true;
1538   }
1539
1540   return states;
1541 }
1542
1543 bool TextEditor::AccessibleImpl::InsertText(size_t startPosition, std::string text)
1544 {
1545   auto self         = Toolkit::TextEditor::DownCast(Self());
1546   auto insertedText = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1547
1548   insertedText.insert(startPosition, text);
1549
1550   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(insertedText));
1551
1552   return true;
1553 }
1554
1555 bool TextEditor::AccessibleImpl::SetTextContents(std::string newContents)
1556 {
1557   auto self = Toolkit::TextEditor::DownCast(Self());
1558   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(newContents));
1559   return true;
1560 }
1561
1562 int32_t TextEditor::AccessibleImpl::GetLinkCount() const
1563 {
1564   auto self = Toolkit::TextEditor::DownCast(Self());
1565   return Dali::Toolkit::GetImpl(self).mAnchorActors.size();
1566 }
1567
1568 Accessibility::Hyperlink* TextEditor::AccessibleImpl::GetLink(int32_t linkIndex) const
1569 {
1570   if(linkIndex < 0 || linkIndex >= GetLinkCount())
1571   {
1572     return nullptr;
1573   }
1574   auto self        = Toolkit::TextEditor::DownCast(Self());
1575   auto anchorActor = Dali::Toolkit::GetImpl(self).mAnchorActors[linkIndex];
1576   return dynamic_cast<Accessibility::Hyperlink*>(Dali::Accessibility::Accessible::Get(anchorActor));
1577 }
1578
1579 int32_t TextEditor::AccessibleImpl::GetLinkIndex(int32_t characterOffset) const
1580 {
1581   auto self       = Toolkit::TextEditor::DownCast(Self());
1582   auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1583   return controller->GetAnchorIndex(static_cast<size_t>(characterOffset));
1584 }
1585
1586 } // namespace Internal
1587
1588 } // namespace Toolkit
1589
1590 } // namespace Dali