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 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "strikethrough",                        MAP,       STRIKETHROUGH                       )
 159 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputStrikethrough",                   MAP,       INPUT_STRIKETHROUGH                 )
 160
 161 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "textChanged",           SIGNAL_TEXT_CHANGED           )
 162 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 163 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 164 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 165 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 166 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 167 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 168 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 169
 170 DALI_TYPE_REGISTRATION_END()
 171 // clang-format on
 172
 173 Toolkit::TextEditor::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 174 {
 175   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 176
 177   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 178   {
 179     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 180   }
 181   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 182   {
 183     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 184   }
 185   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 186   {
 187     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 188   }
 189   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 190   {
 191     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 192   }
 193   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 194   {
 195     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 196   }
 197   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 198   {
 199     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 200   }
 201   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 202   {
 203     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 204   }
 205   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 206   {
 207     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 208   }
 209   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 210   {
 211     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 212   }
 213   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 214   {
 215     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 216   }
 217   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 218   {
 219     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
 220   }
 221   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_STRIKETHROUGH))
 222   {
 223     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::STRIKETHROUGH);
 224   }
 225
 226   return editorInputStyleMask;
 227 }
 228
 229 } // namespace
 230
 231 Toolkit::TextEditor TextEditor::New()
 232 {
 233   // Create the implementation, temporarily owned by this handle on stack
 234   IntrusivePtr<TextEditor> impl = new TextEditor();
 235
 236   // Pass ownership to CustomActor handle
 237   Toolkit::TextEditor handle(*impl);
 238
 239   // Second-phase init of the implementation
 240   // This can only be done after the CustomActor connection has been made...
 241   impl->Initialize();
 242
 243   return handle;
 244 }
 245
 246 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 247 {
 248   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 249
 250   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 251
 252   if(textEditor)
 253   {
 254     PropertyHandler::SetProperty(textEditor, index, value);
 255   }
 256 }
 257
 258 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 259 {
 260   Property::Value value;
 261
 262   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 263
 264   if(textEditor)
 265   {
 266     value = PropertyHandler::GetProperty(textEditor, index);
 267   }
 268   return value;
 269 }
 270
 271 void TextEditor::SelectWholeText()
 272 {
 273   if(mController && mController->IsShowingRealText())
 274   {
 275     mController->SelectWholeText();
 276     SetKeyInputFocus();
 277   }
 278 }
 279
 280 void TextEditor::SelectNone()
 281 {
 282   if(mController && mController->IsShowingRealText())
 283   {
 284     mController->SelectNone();
 285   }
 286 }
 287
 288 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 289 {
 290   if(mController && mController->IsShowingRealText())
 291   {
 292     mController->SelectText(start, end);
 293     SetKeyInputFocus();
 294   }
 295 }
 296
 297 string TextEditor::CopyText()
 298 {
 299   string copiedText = "";
 300   if(mController && mController->IsShowingRealText())
 301   {
 302     copiedText = mController->CopyText();
 303   }
 304   return copiedText;
 305 }
 306
 307 string TextEditor::CutText()
 308 {
 309   string cutText = "";
 310   if(mController && mController->IsShowingRealText())
 311   {
 312     cutText = mController->CutText();
 313   }
 314   return cutText;
 315 }
 316
 317 void TextEditor::PasteText()
 318 {
 319   if(mController)
 320   {
 321     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 322     mController->PasteText();
 323   }
 324 }
 325
 326 void TextEditor::ScrollBy(Vector2 scroll)
 327 {
 328   if(mController && mController->IsShowingRealText())
 329   {
 330     mController->ScrollBy(scroll);
 331   }
 332 }
 333
 334 float TextEditor::GetHorizontalScrollPosition()
 335 {
 336   if(mController && mController->IsShowingRealText())
 337   {
 338     return mController->GetHorizontalScrollPosition();
 339   }
 340   return 0;
 341 }
 342
 343 float TextEditor::GetVerticalScrollPosition()
 344 {
 345   if(mController && mController->IsShowingRealText())
 346   {
 347     return mController->GetVerticalScrollPosition();
 348   }
 349   return 0;
 350 }
 351
 352 Vector<Vector2> TextEditor::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
 353 {
 354   return mController->GetTextSize(startIndex, endIndex);
 355 }
 356
 357 Vector<Vector2> TextEditor::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
 358 {
 359   return mController->GetTextPosition(startIndex, endIndex);
 360 }
 361
 362 string TextEditor::GetSelectedText() const
 363 {
 364   string selectedText = "";
 365   if(mController && mController->IsShowingRealText())
 366   {
 367     selectedText = mController->GetSelectedText();
 368   }
 369   return selectedText;
 370 }
 371
 372 InputMethodContext TextEditor::GetInputMethodContext()
 373 {
 374   return mInputMethodContext;
 375 }
 376
 377 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 378 {
 379   return mMaxLengthReachedSignal;
 380 }
 381
 382 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 383 {
 384   return mAnchorClickedSignal;
 385 }
 386
 387 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 388 {
 389   return mCursorPositionChangedSignal;
 390 }
 391
 392 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 393 {
 394   return mInputFilteredSignal;
 395 }
 396
 397 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 398 {
 399   return mSelectionChangedSignal;
 400 }
 401
 402 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 403 {
 404   return mSelectionClearedSignal;
 405 }
 406
 407 Text::ControllerPtr TextEditor::GetTextController()
 408 {
 409   return mController;
 410 }
 411
 412 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 413 {
 414   Dali::BaseHandle handle(object);
 415
 416   bool                connected(true);
 417   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 418
 419   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 420   {
 421     editor.TextChangedSignal().Connect(tracker, functor);
 422   }
 423   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 424   {
 425     editor.InputStyleChangedSignal().Connect(tracker, functor);
 426   }
 427   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 428   {
 429     if(editor)
 430     {
 431       Internal::TextEditor& editorImpl(GetImpl(editor));
 432       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 433     }
 434   }
 435   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 436   {
 437     if(editor)
 438     {
 439       Internal::TextEditor& editorImpl(GetImpl(editor));
 440       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 441     }
 442   }
 443   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 444   {
 445     if(editor)
 446     {
 447       Internal::TextEditor& editorImpl(GetImpl(editor));
 448       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 449     }
 450   }
 451   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 452   {
 453     if(editor)
 454     {
 455       Internal::TextEditor& editorImpl(GetImpl(editor));
 456       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 457     }
 458   }
 459   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 460   {
 461     if(editor)
 462     {
 463       Internal::TextEditor& editorImpl(GetImpl(editor));
 464       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 465     }
 466   }
 467   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 468   {
 469     if(editor)
 470     {
 471       Internal::TextEditor& editorImpl(GetImpl(editor));
 472       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 473     }
 474   }
 475   else
 476   {
 477     // signalName does not match any signal
 478     connected = false;
 479   }
 480
 481   return connected;
 482 }
 483
 484 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 485 {
 486   return mTextChangedSignal;
 487 }
 488
 489 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 490 {
 491   return mInputStyleChangedSignal;
 492 }
 493
 494 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 495 {
 496   return mScrollStateChangedSignal;
 497 }
 498
 499 void TextEditor::OnAccessibilityStatusChanged()
 500 {
 501   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 502 }
 503
 504 void TextEditor::OnInitialize()
 505 {
 506   Actor self = Self();
 507
 508   mController = Text::Controller::New(this, this, this, this);
 509
 510   mDecorator = Text::Decorator::New(*mController,
 511                                     *mController);
 512
 513   mInputMethodContext = InputMethodContext::New(self);
 514
 515   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 516
 517   // Enables the text input.
 518   mController->EnableTextInput(mDecorator, mInputMethodContext);
 519
 520   // Enables the vertical scrolling after the text input has been enabled.
 521   mController->SetVerticalScrollEnabled(true);
 522
 523   // Disables the horizontal scrolling.
 524   mController->SetHorizontalScrollEnabled(false);
 525
 526   // Sets the maximum number of characters.
 527   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 528
 529   // Enable the smooth handle panning.
 530   mController->SetSmoothHandlePanEnabled(true);
 531
 532   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 533   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 534
 535   // Sets layoutDirection value
 536   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 537   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 538   mController->SetLayoutDirection(layoutDirection);
 539
 540   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 541
 542   // Forward input events to controller
 543   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 544   GetTapGestureDetector().SetMaximumTapsRequired(2);
 545   GetTapGestureDetector().ReceiveAllTapEvents(true);
 546
 547   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 548
 549   // Set BoundingBox to stage size if not already set.
 550   Rect<int> boundingBox;
 551   mDecorator->GetBoundingBox(boundingBox);
 552
 553   if(boundingBox.IsEmpty())
 554   {
 555     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 556     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 557   }
 558
 559   // Whether to flip the selection handles as soon as they cross.
 560   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 561
 562   // Set the default scroll speed.
 563   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 564
 565   // Fill-parent area by default
 566   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 567   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 568   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 569
 570   //Enable highightability
 571   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 572
 573   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 574
 575   // Creates an extra control to be used as stencil buffer.
 576   mStencil = Control::New();
 577   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 578   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 579
 580   // Creates a background visual. Even if the color is transparent it updates the stencil.
 581   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 582                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 583
 584   // Enable the clipping property.
 585   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 586   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 587
 588   self.Add(mStencil);
 589
 590   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 591     return std::unique_ptr<Dali::Accessibility::Accessible>(
 592       new AccessibleImpl(actor, Dali::Accessibility::Role::ENTRY));
 593   });
 594
 595   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 596   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 597 }
 598
 599 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 600 {
 601   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 602
 603   switch(change)
 604   {
 605     case StyleChange::DEFAULT_FONT_CHANGE:
 606     {
 607       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 608       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 609       // Property system did not set the font so should update it.
 610       mController->UpdateAfterFontChange(newFont);
 611       RelayoutRequest();
 612       break;
 613     }
 614
 615     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 616     {
 617       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 618       RelayoutRequest();
 619       break;
 620     }
 621     case StyleChange::THEME_CHANGE:
 622     {
 623       // Nothing to do, let control base class handle this
 624       break;
 625     }
 626   }
 627
 628   // Up call to Control
 629   Control::OnStyleChange(styleManager, change);
 630 }
 631
 632 Vector3 TextEditor::GetNaturalSize()
 633 {
 634   Extents padding;
 635   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 636
 637   Vector3 naturalSize = mController->GetNaturalSize();
 638   naturalSize.width += (padding.start + padding.end);
 639   naturalSize.height += (padding.top + padding.bottom);
 640
 641   return naturalSize;
 642 }
 643
 644 float TextEditor::GetHeightForWidth(float width)
 645 {
 646   Extents padding;
 647   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 648   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 649 }
 650
 651 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 652 {
 653   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 654   {
 655     actor.SetProperty(Actor::Property::SIZE, size);
 656   }
 657 }
 658
 659 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 660 {
 661   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 662
 663   Actor self = Self();
 664
 665   Extents padding;
 666   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 667
 668   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 669
 670   // Support Right-To-Left of padding
 671   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 672
 673   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 674   {
 675     std::swap(padding.start, padding.end);
 676   }
 677
 678   if(mStencil)
 679   {
 680     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 681     ResizeActor(mStencil, contentSize);
 682   }
 683   if(mActiveLayer)
 684   {
 685     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 686     ResizeActor(mActiveLayer, contentSize);
 687   }
 688
 689   // If there is text changed, callback is called.
 690   if(mTextChanged)
 691   {
 692     EmitTextChangedSignal();
 693   }
 694
 695   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 696
 697   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 698      !mRenderer)
 699   {
 700     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 701
 702     if(mDecorator &&
 703        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 704     {
 705       mDecorator->Relayout(contentSize);
 706     }
 707
 708     if(!mRenderer)
 709     {
 710       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 711     }
 712
 713     RenderText(updateTextType);
 714   }
 715
 716   if(mCursorPositionChanged)
 717   {
 718     EmitCursorPositionChangedSignal();
 719   }
 720
 721   if(mSelectionChanged)
 722   {
 723     EmitSelectionChangedSignal();
 724   }
 725
 726   if(mSelectionCleared)
 727   {
 728     EmitSelectionClearedSignal();
 729   }
 730
 731   // The text-editor emits signals when the input style changes. These changes of style are
 732   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 733   // can't be emitted during the size negotiation as the callbacks may update the UI.
 734   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 735   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 736   {
 737     if(Adaptor::IsAvailable())
 738     {
 739       Adaptor& adaptor = Adaptor::Get();
 740
 741       if(NULL == mIdleCallback)
 742       {
 743         // @note: The callback manager takes the ownership of the callback object.
 744         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 745         adaptor.AddIdle(mIdleCallback, false);
 746       }
 747     }
 748   }
 749 }
 750
 751 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 752 {
 753   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 754   if(mRenderableActor)
 755   {
 756     ApplyScrollPosition();
 757   }
 758   UpdateScrollBar();
 759 }
 760
 761 void TextEditor::OnKeyInputFocusGained()
 762 {
 763   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 764   if(mInputMethodContext && IsEditable())
 765   {
 766     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 767     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 768     mInputMethodContext.NotifyTextInputMultiLine(true);
 769
 770     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 771
 772     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 773
 774     // Notify that the text editing start.
 775     mInputMethodContext.Activate();
 776
 777     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 778     mInputMethodContext.SetRestoreAfterFocusLost(true);
 779   }
 780   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 781
 782   if(notifier)
 783   {
 784     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 785   }
 786
 787   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 788
 789   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 790 }
 791
 792 void TextEditor::OnKeyInputFocusLost()
 793 {
 794   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 795   if(mInputMethodContext)
 796   {
 797     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 798
 799     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 800     mInputMethodContext.SetRestoreAfterFocusLost(false);
 801
 802     // Notify that the text editing finish.
 803     mInputMethodContext.Deactivate();
 804
 805     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 806   }
 807   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 808
 809   if(notifier)
 810   {
 811     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 812   }
 813
 814   mController->KeyboardFocusLostEvent();
 815
 816   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 817 }
 818
 819 bool TextEditor::OnAccessibilityActivated()
 820 {
 821   SetKeyInputFocus();
 822   return true;
 823 }
 824
 825 void TextEditor::OnTap(const TapGesture& gesture)
 826 {
 827   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 828   if(mInputMethodContext && IsEditable())
 829   {
 830     mInputMethodContext.Activate();
 831   }
 832   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 833   Extents padding;
 834   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 835   const Vector2& localPoint = gesture.GetLocalPoint();
 836   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 837   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 838
 839   SetKeyInputFocus();
 840 }
 841
 842 void TextEditor::OnPan(const PanGesture& gesture)
 843 {
 844   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 845 }
 846
 847 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 848 {
 849   if(mInputMethodContext && IsEditable())
 850   {
 851     mInputMethodContext.Activate();
 852   }
 853   Extents padding;
 854   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 855   const Vector2& localPoint = gesture.GetLocalPoint();
 856   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 857
 858   SetKeyInputFocus();
 859 }
 860
 861 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 862 {
 863   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 864
 865   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 866   {
 867     // Make sure ClearKeyInputFocus when only key is up
 868     if(event.GetState() == KeyEvent::UP)
 869     {
 870       ClearKeyInputFocus();
 871     }
 872
 873     return true;
 874   }
 875
 876   return mController->KeyEvent(event);
 877 }
 878
 879 void TextEditor::RequestTextRelayout()
 880 {
 881   RelayoutRequest();
 882 }
 883
 884 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 885 {
 886   if(Accessibility::IsUp())
 887   {
 888     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 889   }
 890 }
 891
 892 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 893 {
 894   if(Accessibility::IsUp())
 895   {
 896     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 897   }
 898 }
 899
 900 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 901 {
 902   if(Accessibility::IsUp())
 903   {
 904     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 905   }
 906
 907   if((oldPosition != newPosition) && !mCursorPositionChanged)
 908   {
 909     mCursorPositionChanged = true;
 910     mOldPosition           = oldPosition;
 911   }
 912 }
 913
 914 void TextEditor::TextChanged(bool immediate)
 915 {
 916   if(immediate) // Emits TextChangedSignal immediately
 917   {
 918     EmitTextChangedSignal();
 919   }
 920   else
 921   {
 922     mTextChanged = true;
 923   }
 924 }
 925
 926 void TextEditor::EmitTextChangedSignal()
 927 {
 928   Dali::Toolkit::TextEditor handle(GetOwner());
 929   mTextChangedSignal.Emit(handle);
 930   mTextChanged = false;
 931 }
 932
 933 void TextEditor::MaxLengthReached()
 934 {
 935   Dali::Toolkit::TextEditor handle(GetOwner());
 936   mMaxLengthReachedSignal.Emit(handle);
 937 }
 938
 939 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 940 {
 941   Dali::Toolkit::TextEditor handle(GetOwner());
 942   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 943 }
 944
 945 void TextEditor::AnchorClicked(const std::string& href)
 946 {
 947   Dali::Toolkit::TextEditor handle(GetOwner());
 948   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 949 }
 950
 951 void TextEditor::EmitCursorPositionChangedSignal()
 952 {
 953   Dali::Toolkit::TextEditor handle(GetOwner());
 954   mCursorPositionChanged = false;
 955   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 956 }
 957
 958 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
 959 {
 960   Dali::Toolkit::TextEditor handle(GetOwner());
 961   mInputFilteredSignal.Emit(handle, type);
 962 }
 963
 964 void TextEditor::EmitSelectionChangedSignal()
 965 {
 966   Dali::Toolkit::TextEditor handle(GetOwner());
 967   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 968   mSelectionChanged = false;
 969 }
 970
 971 void TextEditor::EmitSelectionClearedSignal()
 972 {
 973   Dali::Toolkit::TextEditor handle(GetOwner());
 974   mSelectionClearedSignal.Emit(handle);
 975   mSelectionCleared = false;
 976 }
 977
 978 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
 979 {
 980   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
 981   {
 982     if(newStart == newEnd)
 983     {
 984       mSelectionCleared = true;
 985     }
 986
 987     mSelectionChanged  = true;
 988     mOldSelectionStart = oldStart;
 989     mOldSelectionEnd   = oldEnd;
 990
 991     if(mOldSelectionStart > mOldSelectionEnd)
 992     {
 993       //swap
 994       uint32_t temp      = mOldSelectionStart;
 995       mOldSelectionStart = mOldSelectionEnd;
 996       mOldSelectionEnd   = temp;
 997     }
 998   }
 999 }
1000
1001 void TextEditor::AddDecoration(Actor& actor, bool needsClipping)
1002 {
1003   if(actor)
1004   {
1005     if(needsClipping)
1006     {
1007       mClippingDecorationActors.push_back(actor);
1008     }
1009     else
1010     {
1011       actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1012       actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1013       Self().Add(actor);
1014       mActiveLayer = actor;
1015     }
1016   }
1017 }
1018
1019 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1020 {
1021   if(mController && mController->IsShowingRealText())
1022   {
1023     mController->SetTextSelectionRange(start, end);
1024     SetKeyInputFocus();
1025   }
1026 }
1027
1028 Uint32Pair TextEditor::GetTextSelectionRange() const
1029 {
1030   Uint32Pair range(0, 0);
1031   if(mController && mController->IsShowingRealText())
1032   {
1033     range = mController->GetTextSelectionRange();
1034   }
1035   return range;
1036 }
1037
1038 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1039 {
1040   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1041   Property::Map*  resultMap = propValue.GetMap();
1042
1043   Property::Value* colorValue = nullptr;
1044   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1045   {
1046     colorValue->Get(color);
1047   }
1048 }
1049
1050 void TextEditor::UpdateScrollBar()
1051 {
1052   using namespace Dali;
1053
1054   float scrollPosition;
1055   float controlSize;
1056   float layoutSize;
1057   bool  latestScrolled;
1058
1059   if(!mScrollBarEnabled)
1060   {
1061     return;
1062   }
1063   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1064   if(!latestScrolled || controlSize > layoutSize)
1065   {
1066     return;
1067   }
1068
1069   CustomActor self = Self();
1070   if(!mScrollBar)
1071   {
1072     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1073     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1074     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1075     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1076     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1077     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1078
1079     // Register the scroll position property
1080     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1081     // Register the minimum scroll position property
1082     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1083     // Register the maximum scroll position property
1084     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1085     // Register the scroll content size property
1086     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1087
1088     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1089
1090     // Set style name of ScrollBar for styling
1091     mScrollBar.SetStyleName("TextEditorScrollBar");
1092     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1093     if(scrollIndicator)
1094     {
1095       // Set style name of ScrollBarIndicator for styling
1096       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1097     }
1098
1099     self.Add(mScrollBar);
1100   }
1101   else
1102   {
1103     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1104     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1105     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1106
1107     self.SetProperty(propertyScrollPosition, scrollPosition);
1108     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1109     self.SetProperty(propertyScrollContentSize, layoutSize);
1110   }
1111
1112   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1113   if(!mScrollStarted)
1114   {
1115     mScrollStarted = true;
1116     Dali::Toolkit::TextEditor handle(GetOwner());
1117     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1118   }
1119
1120   Actor indicator = mScrollBar.GetScrollIndicator();
1121   if(mAnimation)
1122   {
1123     mAnimation.Stop(); // Cancel any animation
1124   }
1125   else
1126   {
1127     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1128   }
1129   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1130   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1131   mAnimation.Play();
1132   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1133 }
1134
1135 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1136 {
1137   // If animation is successfully ended, then emit ScrollStateChangedSignal
1138   if(animation.GetCurrentProgress() == 0.0f)
1139   {
1140     mScrollStarted = false;
1141     Dali::Toolkit::TextEditor handle(GetOwner());
1142     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1143   }
1144 }
1145
1146 void TextEditor::OnSceneConnect(Dali::Actor actor)
1147 {
1148   if(mHasBeenStaged)
1149   {
1150     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1151   }
1152   else
1153   {
1154     mHasBeenStaged = true;
1155   }
1156 }
1157
1158 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1159 {
1160   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1161   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1162 }
1163
1164 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1165 {
1166   if(mDecorator)
1167   {
1168     Property::Map map;
1169     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1170
1171     value = map;
1172   }
1173 }
1174
1175 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1176 {
1177   mController->PasteClipboardItemEvent();
1178 }
1179
1180 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1181 {
1182   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1183
1184   // Just hide the grab handle when keyboard is hidden.
1185   if(!keyboardShown)
1186   {
1187     mController->KeyboardFocusLostEvent();
1188   }
1189   else
1190   {
1191     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1192   }
1193 }
1194
1195 void TextEditor::OnSceneConnection(int depth)
1196 {
1197   // Sets the depth to the visuals inside the text's decorator.
1198   mDecorator->SetTextDepth(depth);
1199
1200   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1201
1202   // Call the Control::OnSceneConnection() to set the depth of the background.
1203   Control::OnSceneConnection(depth);
1204 }
1205
1206 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1207 {
1208   return false;
1209 }
1210
1211 void TextEditor::OnIdleSignal()
1212 {
1213   // Emits the change of input style signals.
1214   mController->ProcessInputStyleChangedSignals();
1215
1216   // Set the pointer to null as the callback manager deletes the callback after execute it.
1217   mIdleCallback = NULL;
1218 }
1219
1220 void TextEditor::ApplyScrollPosition()
1221 {
1222   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1223   float          scrollAmount = 0.0f;
1224
1225   if(mScrollAnimationEnabled)
1226   {
1227     scrollAmount = mController->GetScrollAmountByUserInput();
1228   }
1229   if(mTextVerticalScroller)
1230   {
1231     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1232   }
1233   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1234   {
1235     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1236   }
1237   else
1238   {
1239     mTextVerticalScroller = Text::TextVerticalScroller::New();
1240     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1241     {
1242       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1243     }
1244     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1245   }
1246 }
1247
1248 bool TextEditor::IsEditable() const
1249 {
1250   return mController->IsEditable();
1251 }
1252
1253 void TextEditor::SetEditable(bool editable)
1254 {
1255   mController->SetEditable(editable);
1256   if(mInputMethodContext && !editable)
1257   {
1258     mInputMethodContext.Deactivate();
1259   }
1260 }
1261
1262 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1263 {
1264   mController->ChangedLayoutDirection();
1265 }
1266
1267 TextEditor::TextEditor()
1268 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1269   mAnimationPeriod(0.0f, 0.0f),
1270   mIdleCallback(NULL),
1271   mAlignmentOffset(0.f),
1272   mScrollAnimationDuration(0.f),
1273   mLineSpacing(0.f),
1274   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1275   mHasBeenStaged(false),
1276   mScrollAnimationEnabled(false),
1277   mScrollBarEnabled(false),
1278   mScrollStarted(false),
1279   mTextChanged(false),
1280   mCursorPositionChanged(false),
1281   mSelectionChanged(false),
1282   mSelectionCleared(false),
1283   mOldPosition(0u),
1284   mOldSelectionStart(0u),
1285   mOldSelectionEnd(0u)
1286 {
1287 }
1288
1289 TextEditor::~TextEditor()
1290 {
1291   UnparentAndReset(mStencil);
1292
1293   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1294   {
1295     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1296     Adaptor::Get().RemoveIdle(mIdleCallback);
1297   }
1298 }
1299
1300 std::string TextEditor::AccessibleImpl::GetName() const
1301 {
1302   auto self = Toolkit::TextEditor::DownCast(Self());
1303   return self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1304 }
1305
1306 std::string TextEditor::AccessibleImpl::GetText(size_t startOffset, size_t endOffset) const
1307 {
1308   if(endOffset <= startOffset)
1309   {
1310     return {};
1311   }
1312
1313   auto self = Toolkit::TextEditor::DownCast(Self());
1314   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1315
1316   if(startOffset > text.size() || endOffset > text.size())
1317   {
1318     return {};
1319   }
1320
1321   return text.substr(startOffset, endOffset - startOffset);
1322 }
1323
1324 size_t TextEditor::AccessibleImpl::GetCharacterCount() const
1325 {
1326   auto self = Toolkit::TextEditor::DownCast(Self());
1327   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1328
1329   return text.size();
1330 }
1331
1332 size_t TextEditor::AccessibleImpl::GetCursorOffset() const
1333 {
1334   auto slf = Toolkit::TextEditor::DownCast(Self());
1335   return Dali::Toolkit::GetImpl(slf).GetTextController()->GetCursorPosition();
1336 }
1337
1338 bool TextEditor::AccessibleImpl::SetCursorOffset(size_t offset)
1339 {
1340   auto slf = Toolkit::TextEditor::DownCast(Self());
1341   auto txt = slf.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1342   if(offset > txt.size())
1343   {
1344     return false;
1345   }
1346
1347   auto& slfImpl = Dali::Toolkit::GetImpl(slf);
1348   slfImpl.GetTextController()->ResetCursorPosition(offset);
1349   slfImpl.RequestTextRelayout();
1350
1351   return true;
1352 }
1353
1354 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetTextAtOffset(size_t offset, Dali::Accessibility::TextBoundary boundary) const
1355 {
1356   auto self     = Toolkit::TextEditor::DownCast(Self());
1357   auto text     = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1358   auto textSize = text.size();
1359
1360   auto range = Dali::Accessibility::Range{};
1361
1362   switch(boundary)
1363   {
1364     case Dali::Accessibility::TextBoundary::CHARACTER:
1365     {
1366       if(offset < textSize)
1367       {
1368         range.content     = text[offset];
1369         range.startOffset = offset;
1370         range.endOffset   = offset + 1;
1371       }
1372       break;
1373     }
1374     case Dali::Accessibility::TextBoundary::WORD:
1375     case Dali::Accessibility::TextBoundary::LINE:
1376     {
1377       auto textString = text.c_str();
1378       auto breaks     = std::vector<char>(textSize, 0);
1379
1380       if(boundary == Dali::Accessibility::TextBoundary::WORD)
1381       {
1382         Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1383       }
1384       else
1385       {
1386         Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1387       }
1388
1389       auto index   = 0u;
1390       auto counter = 0u;
1391       while(index < textSize && counter <= offset)
1392       {
1393         auto start = index;
1394         if(breaks[index])
1395         {
1396           while(breaks[index])
1397           {
1398             index++;
1399           }
1400           counter++;
1401         }
1402         else
1403         {
1404           if(boundary == Dali::Accessibility::TextBoundary::WORD)
1405           {
1406             index++;
1407           }
1408           if(boundary == Dali::Accessibility::TextBoundary::LINE)
1409           {
1410             counter++;
1411           }
1412         }
1413
1414         if((counter > 0) && ((counter - 1) == offset))
1415         {
1416           range.content     = text.substr(start, index - start + 1);
1417           range.startOffset = start;
1418           range.endOffset   = index + 1;
1419         }
1420
1421         if(boundary == Dali::Accessibility::TextBoundary::LINE)
1422         {
1423           index++;
1424         }
1425       }
1426       break;
1427     }
1428     case Dali::Accessibility::TextBoundary::SENTENCE:
1429     {
1430       /* not supported by default */
1431       break;
1432     }
1433     case Dali::Accessibility::TextBoundary::PARAGRAPH:
1434     {
1435       /* Paragraph is not supported by libunibreak library */
1436       break;
1437     }
1438     default:
1439       break;
1440   }
1441
1442   return range;
1443 }
1444
1445 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetRangeOfSelection(size_t selectionIndex) const
1446 {
1447   // Since DALi supports only one selection indexes higher than 0 are ignored
1448   if(selectionIndex > 0)
1449   {
1450     return {};
1451   }
1452
1453   auto        self       = Toolkit::TextEditor::DownCast(Self());
1454   auto        controller = Dali::Toolkit::GetImpl(self).GetTextController();
1455   std::string value{};
1456   controller->RetrieveSelection(value);
1457   auto indices = controller->GetSelectionIndexes();
1458
1459   return {static_cast<size_t>(indices.first), static_cast<size_t>(indices.second), value};
1460 }
1461
1462 bool TextEditor::AccessibleImpl::RemoveSelection(size_t selectionIndex)
1463 {
1464   // Since DALi supports only one selection indexes higher than 0 are ignored
1465   if(selectionIndex > 0)
1466   {
1467     return false;
1468   }
1469
1470   auto self = Toolkit::TextEditor::DownCast(Self());
1471   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1472   return true;
1473 }
1474
1475 bool TextEditor::AccessibleImpl::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1476 {
1477   // Since DALi supports only one selection indexes higher than 0 are ignored
1478   if(selectionIndex > 0)
1479   {
1480     return false;
1481   }
1482
1483   auto self = Toolkit::TextEditor::DownCast(Self());
1484   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1485   return true;
1486 }
1487
1488 bool TextEditor::AccessibleImpl::CopyText(size_t startPosition, size_t endPosition)
1489 {
1490   if(endPosition <= startPosition)
1491   {
1492     return false;
1493   }
1494
1495   auto self = Toolkit::TextEditor::DownCast(Self());
1496   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1497   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1498
1499   return true;
1500 }
1501
1502 bool TextEditor::AccessibleImpl::CutText(size_t startPosition, size_t endPosition)
1503 {
1504   if(endPosition <= startPosition)
1505   {
1506     return false;
1507   }
1508
1509   auto self = Toolkit::TextEditor::DownCast(Self());
1510   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1511   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1512
1513   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1514
1515   return true;
1516 }
1517
1518 bool TextEditor::AccessibleImpl::DeleteText(size_t startPosition, size_t endPosition)
1519 {
1520   if(endPosition <= startPosition)
1521   {
1522     return false;
1523   }
1524
1525   auto self = Toolkit::TextEditor::DownCast(Self());
1526   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1527
1528   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1529
1530   return true;
1531 }
1532
1533 Dali::Accessibility::States TextEditor::AccessibleImpl::CalculateStates()
1534 {
1535   using namespace Dali::Accessibility;
1536
1537   auto states              = DevelControl::ControlAccessible::CalculateStates();
1538   states[State::EDITABLE]  = true;
1539   states[State::FOCUSABLE] = true;
1540
1541   Toolkit::Control focusControl = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
1542   if(Self() == focusControl)
1543   {
1544     states[State::FOCUSED] = true;
1545   }
1546
1547   return states;
1548 }
1549
1550 bool TextEditor::AccessibleImpl::InsertText(size_t startPosition, std::string text)
1551 {
1552   auto self         = Toolkit::TextEditor::DownCast(Self());
1553   auto insertedText = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1554
1555   insertedText.insert(startPosition, text);
1556
1557   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(insertedText));
1558
1559   return true;
1560 }
1561
1562 bool TextEditor::AccessibleImpl::SetTextContents(std::string newContents)
1563 {
1564   auto self = Toolkit::TextEditor::DownCast(Self());
1565   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(newContents));
1566   return true;
1567 }
1568
1569 int32_t TextEditor::AccessibleImpl::GetLinkCount() const
1570 {
1571   auto self = Toolkit::TextEditor::DownCast(Self());
1572   return Dali::Toolkit::GetImpl(self).mAnchorActors.size();
1573 }
1574
1575 Accessibility::Hyperlink* TextEditor::AccessibleImpl::GetLink(int32_t linkIndex) const
1576 {
1577   if(linkIndex < 0 || linkIndex >= GetLinkCount())
1578   {
1579     return nullptr;
1580   }
1581   auto self        = Toolkit::TextEditor::DownCast(Self());
1582   auto anchorActor = Dali::Toolkit::GetImpl(self).mAnchorActors[linkIndex];
1583   return dynamic_cast<Accessibility::Hyperlink*>(Dali::Accessibility::Accessible::Get(anchorActor));
1584 }
1585
1586 int32_t TextEditor::AccessibleImpl::GetLinkIndex(int32_t characterOffset) const
1587 {
1588   auto self       = Toolkit::TextEditor::DownCast(Self());
1589   auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1590   return controller->GetAnchorIndex(static_cast<size_t>(characterOffset));
1591 }
1592
1593 } // namespace Internal
1594
1595 } // namespace Toolkit
1596
1597 } // namespace Dali