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 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionStarted",      SIGNAL_SELECTION_STARTED      )
 170
 171 DALI_TYPE_REGISTRATION_END()
 172 // clang-format on
 173
 174 Toolkit::TextEditor::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 175 {
 176   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 177
 178   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 179   {
 180     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 181   }
 182   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 183   {
 184     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 185   }
 186   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 187   {
 188     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 189   }
 190   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 191   {
 192     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 193   }
 194   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 195   {
 196     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 197   }
 198   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 199   {
 200     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 201   }
 202   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 203   {
 204     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 205   }
 206   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 207   {
 208     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 209   }
 210   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 211   {
 212     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 213   }
 214   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 215   {
 216     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 217   }
 218   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 219   {
 220     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
 221   }
 222   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_STRIKETHROUGH))
 223   {
 224     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::STRIKETHROUGH);
 225   }
 226
 227   return editorInputStyleMask;
 228 }
 229
 230 } // namespace
 231
 232 Toolkit::TextEditor TextEditor::New()
 233 {
 234   // Create the implementation, temporarily owned by this handle on stack
 235   IntrusivePtr<TextEditor> impl = new TextEditor();
 236
 237   // Pass ownership to CustomActor handle
 238   Toolkit::TextEditor handle(*impl);
 239
 240   // Second-phase init of the implementation
 241   // This can only be done after the CustomActor connection has been made...
 242   impl->Initialize();
 243
 244   return handle;
 245 }
 246
 247 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 248 {
 249   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 250
 251   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 252
 253   if(textEditor)
 254   {
 255     PropertyHandler::SetProperty(textEditor, index, value);
 256   }
 257 }
 258
 259 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 260 {
 261   Property::Value value;
 262
 263   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 264
 265   if(textEditor)
 266   {
 267     value = PropertyHandler::GetProperty(textEditor, index);
 268   }
 269   return value;
 270 }
 271
 272 void TextEditor::SelectWholeText()
 273 {
 274   if(mController && mController->IsShowingRealText())
 275   {
 276     mController->SelectWholeText();
 277     SetKeyInputFocus();
 278   }
 279 }
 280
 281 void TextEditor::SelectNone()
 282 {
 283   if(mController && mController->IsShowingRealText())
 284   {
 285     mController->SelectNone();
 286   }
 287 }
 288
 289 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 290 {
 291   if(mController && mController->IsShowingRealText())
 292   {
 293     mController->SelectText(start, end);
 294     SetKeyInputFocus();
 295   }
 296 }
 297
 298 string TextEditor::CopyText()
 299 {
 300   string copiedText = "";
 301   if(mController && mController->IsShowingRealText())
 302   {
 303     copiedText = mController->CopyText();
 304   }
 305   return copiedText;
 306 }
 307
 308 string TextEditor::CutText()
 309 {
 310   string cutText = "";
 311   if(mController && mController->IsShowingRealText())
 312   {
 313     cutText = mController->CutText();
 314   }
 315   return cutText;
 316 }
 317
 318 void TextEditor::PasteText()
 319 {
 320   if(mController)
 321   {
 322     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 323     mController->PasteText();
 324   }
 325 }
 326
 327 void TextEditor::ScrollBy(Vector2 scroll)
 328 {
 329   if(mController && mController->IsShowingRealText())
 330   {
 331     mController->ScrollBy(scroll);
 332   }
 333 }
 334
 335 float TextEditor::GetHorizontalScrollPosition()
 336 {
 337   if(mController && mController->IsShowingRealText())
 338   {
 339     return mController->GetHorizontalScrollPosition();
 340   }
 341   return 0;
 342 }
 343
 344 float TextEditor::GetVerticalScrollPosition()
 345 {
 346   if(mController && mController->IsShowingRealText())
 347   {
 348     return mController->GetVerticalScrollPosition();
 349   }
 350   return 0;
 351 }
 352
 353 Vector<Vector2> TextEditor::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
 354 {
 355   return mController->GetTextSize(startIndex, endIndex);
 356 }
 357
 358 Vector<Vector2> TextEditor::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
 359 {
 360   return mController->GetTextPosition(startIndex, endIndex);
 361 }
 362
 363 string TextEditor::GetSelectedText() const
 364 {
 365   string selectedText = "";
 366   if(mController && mController->IsShowingRealText())
 367   {
 368     selectedText = mController->GetSelectedText();
 369   }
 370   return selectedText;
 371 }
 372
 373 InputMethodContext TextEditor::GetInputMethodContext()
 374 {
 375   return mInputMethodContext;
 376 }
 377
 378 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 379 {
 380   return mMaxLengthReachedSignal;
 381 }
 382
 383 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 384 {
 385   return mAnchorClickedSignal;
 386 }
 387
 388 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 389 {
 390   return mCursorPositionChangedSignal;
 391 }
 392
 393 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 394 {
 395   return mInputFilteredSignal;
 396 }
 397
 398 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 399 {
 400   return mSelectionChangedSignal;
 401 }
 402
 403 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 404 {
 405   return mSelectionClearedSignal;
 406 }
 407
 408 DevelTextEditor::SelectionStartedSignalType& TextEditor::SelectionStartedSignal()
 409 {
 410   return mSelectionStartedSignal;
 411 }
 412
 413 Text::ControllerPtr TextEditor::GetTextController()
 414 {
 415   return mController;
 416 }
 417
 418 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 419 {
 420   Dali::BaseHandle handle(object);
 421
 422   bool                connected(true);
 423   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 424
 425   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 426   {
 427     editor.TextChangedSignal().Connect(tracker, functor);
 428   }
 429   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 430   {
 431     editor.InputStyleChangedSignal().Connect(tracker, functor);
 432   }
 433   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 434   {
 435     if(editor)
 436     {
 437       Internal::TextEditor& editorImpl(GetImpl(editor));
 438       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 439     }
 440   }
 441   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 442   {
 443     if(editor)
 444     {
 445       Internal::TextEditor& editorImpl(GetImpl(editor));
 446       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 447     }
 448   }
 449   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 450   {
 451     if(editor)
 452     {
 453       Internal::TextEditor& editorImpl(GetImpl(editor));
 454       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 455     }
 456   }
 457   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 458   {
 459     if(editor)
 460     {
 461       Internal::TextEditor& editorImpl(GetImpl(editor));
 462       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 463     }
 464   }
 465   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 466   {
 467     if(editor)
 468     {
 469       Internal::TextEditor& editorImpl(GetImpl(editor));
 470       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 471     }
 472   }
 473   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 474   {
 475     if(editor)
 476     {
 477       Internal::TextEditor& editorImpl(GetImpl(editor));
 478       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 479     }
 480   }
 481   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_STARTED))
 482   {
 483     if(editor)
 484     {
 485       Internal::TextEditor& editorImpl(GetImpl(editor));
 486       editorImpl.SelectionStartedSignal().Connect(tracker, functor);
 487     }
 488   }
 489   else
 490   {
 491     // signalName does not match any signal
 492     connected = false;
 493   }
 494
 495   return connected;
 496 }
 497
 498 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 499 {
 500   return mTextChangedSignal;
 501 }
 502
 503 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 504 {
 505   return mInputStyleChangedSignal;
 506 }
 507
 508 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 509 {
 510   return mScrollStateChangedSignal;
 511 }
 512
 513 void TextEditor::OnAccessibilityStatusChanged()
 514 {
 515   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 516 }
 517
 518 void TextEditor::OnInitialize()
 519 {
 520   Actor self = Self();
 521
 522   mController = Text::Controller::New(this, this, this, this);
 523
 524   mDecorator = Text::Decorator::New(*mController,
 525                                     *mController);
 526
 527   mInputMethodContext = InputMethodContext::New(self);
 528
 529   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 530
 531   // Enables the text input.
 532   mController->EnableTextInput(mDecorator, mInputMethodContext);
 533
 534   // Enables the vertical scrolling after the text input has been enabled.
 535   mController->SetVerticalScrollEnabled(true);
 536
 537   // Disables the horizontal scrolling.
 538   mController->SetHorizontalScrollEnabled(false);
 539
 540   // Sets the maximum number of characters.
 541   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 542
 543   // Enable the smooth handle panning.
 544   mController->SetSmoothHandlePanEnabled(true);
 545
 546   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 547   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 548
 549   // Sets layoutDirection value
 550   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 551   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 552   mController->SetLayoutDirection(layoutDirection);
 553
 554   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 555
 556   // Forward input events to controller
 557   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 558   GetTapGestureDetector().SetMaximumTapsRequired(2);
 559   GetTapGestureDetector().ReceiveAllTapEvents(true);
 560
 561   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 562
 563   // Set BoundingBox to stage size if not already set.
 564   Rect<int> boundingBox;
 565   mDecorator->GetBoundingBox(boundingBox);
 566
 567   if(boundingBox.IsEmpty())
 568   {
 569     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 570     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 571   }
 572
 573   // Whether to flip the selection handles as soon as they cross.
 574   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 575
 576   // Set the default scroll speed.
 577   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 578
 579   // Fill-parent area by default
 580   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 581   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 582   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 583
 584   //Enable highightability
 585   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 586
 587   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 588
 589   // Creates an extra control to be used as stencil buffer.
 590   mStencil = Control::New();
 591   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 592   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 593
 594   // Creates a background visual. Even if the color is transparent it updates the stencil.
 595   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 596                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 597
 598   // Enable the clipping property.
 599   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 600   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 601
 602   self.Add(mStencil);
 603
 604   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 605     return std::unique_ptr<Dali::Accessibility::Accessible>(
 606       new AccessibleImpl(actor, Dali::Accessibility::Role::ENTRY));
 607   });
 608
 609   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 610   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 611 }
 612
 613 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 614 {
 615   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 616
 617   switch(change)
 618   {
 619     case StyleChange::DEFAULT_FONT_CHANGE:
 620     {
 621       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 622       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 623       // Property system did not set the font so should update it.
 624       mController->UpdateAfterFontChange(newFont);
 625       RelayoutRequest();
 626       break;
 627     }
 628
 629     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 630     {
 631       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 632       RelayoutRequest();
 633       break;
 634     }
 635     case StyleChange::THEME_CHANGE:
 636     {
 637       // Nothing to do, let control base class handle this
 638       break;
 639     }
 640   }
 641
 642   // Up call to Control
 643   Control::OnStyleChange(styleManager, change);
 644 }
 645
 646 Vector3 TextEditor::GetNaturalSize()
 647 {
 648   Extents padding;
 649   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 650
 651   Vector3 naturalSize = mController->GetNaturalSize();
 652   naturalSize.width += (padding.start + padding.end);
 653   naturalSize.height += (padding.top + padding.bottom);
 654
 655   return naturalSize;
 656 }
 657
 658 float TextEditor::GetHeightForWidth(float width)
 659 {
 660   Extents padding;
 661   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 662   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 663 }
 664
 665 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 666 {
 667   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 668   {
 669     actor.SetProperty(Actor::Property::SIZE, size);
 670   }
 671 }
 672
 673 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 674 {
 675   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 676
 677   Actor self = Self();
 678
 679   Extents padding;
 680   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 681
 682   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 683
 684   // Support Right-To-Left of padding
 685   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 686
 687   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 688   {
 689     std::swap(padding.start, padding.end);
 690   }
 691
 692   if(mStencil)
 693   {
 694     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 695     ResizeActor(mStencil, contentSize);
 696   }
 697   if(mActiveLayer)
 698   {
 699     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 700     ResizeActor(mActiveLayer, contentSize);
 701   }
 702
 703   // If there is text changed, callback is called.
 704   if(mTextChanged)
 705   {
 706     EmitTextChangedSignal();
 707   }
 708
 709   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 710
 711   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 712      !mRenderer)
 713   {
 714     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 715
 716     if(mDecorator &&
 717        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 718     {
 719       mDecorator->Relayout(contentSize);
 720     }
 721
 722     if(!mRenderer)
 723     {
 724       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 725     }
 726
 727     RenderText(updateTextType);
 728   }
 729
 730   if(mCursorPositionChanged)
 731   {
 732     EmitCursorPositionChangedSignal();
 733   }
 734
 735   if(mSelectionStarted)
 736   {
 737     EmitSelectionStartedSignal();
 738   }
 739
 740   if(mSelectionChanged)
 741   {
 742     EmitSelectionChangedSignal();
 743   }
 744
 745   if(mSelectionCleared)
 746   {
 747     EmitSelectionClearedSignal();
 748   }
 749
 750   // The text-editor emits signals when the input style changes. These changes of style are
 751   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 752   // can't be emitted during the size negotiation as the callbacks may update the UI.
 753   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 754   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 755   {
 756     if(Adaptor::IsAvailable())
 757     {
 758       Adaptor& adaptor = Adaptor::Get();
 759
 760       if(NULL == mIdleCallback)
 761       {
 762         // @note: The callback manager takes the ownership of the callback object.
 763         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 764         adaptor.AddIdle(mIdleCallback, false);
 765       }
 766     }
 767   }
 768 }
 769
 770 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 771 {
 772   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 773   if(mRenderableActor)
 774   {
 775     ApplyScrollPosition();
 776   }
 777   UpdateScrollBar();
 778 }
 779
 780 void TextEditor::OnKeyInputFocusGained()
 781 {
 782   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 783   if(mInputMethodContext && IsEditable())
 784   {
 785     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 786     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 787     mInputMethodContext.NotifyTextInputMultiLine(true);
 788
 789     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 790
 791     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 792
 793     // Notify that the text editing start.
 794     mInputMethodContext.Activate();
 795
 796     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 797     mInputMethodContext.SetRestoreAfterFocusLost(true);
 798   }
 799   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 800
 801   if(notifier)
 802   {
 803     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 804   }
 805
 806   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 807
 808   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 809 }
 810
 811 void TextEditor::OnKeyInputFocusLost()
 812 {
 813   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 814   if(mInputMethodContext)
 815   {
 816     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 817
 818     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 819     mInputMethodContext.SetRestoreAfterFocusLost(false);
 820
 821     // Notify that the text editing finish.
 822     mInputMethodContext.Deactivate();
 823
 824     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 825   }
 826   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 827
 828   if(notifier)
 829   {
 830     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 831   }
 832
 833   mController->KeyboardFocusLostEvent();
 834
 835   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 836 }
 837
 838 bool TextEditor::OnAccessibilityActivated()
 839 {
 840   SetKeyInputFocus();
 841   return true;
 842 }
 843
 844 void TextEditor::OnTap(const TapGesture& gesture)
 845 {
 846   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 847   if(mInputMethodContext && IsEditable())
 848   {
 849     mInputMethodContext.Activate();
 850   }
 851   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 852   Extents padding;
 853   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 854   const Vector2& localPoint = gesture.GetLocalPoint();
 855   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 856   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 857
 858   SetKeyInputFocus();
 859 }
 860
 861 void TextEditor::OnPan(const PanGesture& gesture)
 862 {
 863   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 864 }
 865
 866 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 867 {
 868   if(mInputMethodContext && IsEditable())
 869   {
 870     mInputMethodContext.Activate();
 871   }
 872   Extents padding;
 873   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 874   const Vector2& localPoint = gesture.GetLocalPoint();
 875   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 876
 877   SetKeyInputFocus();
 878 }
 879
 880 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 881 {
 882   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 883
 884   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 885   {
 886     // Make sure ClearKeyInputFocus when only key is up
 887     if(event.GetState() == KeyEvent::UP)
 888     {
 889       ClearKeyInputFocus();
 890     }
 891
 892     return true;
 893   }
 894
 895   return mController->KeyEvent(event);
 896 }
 897
 898 void TextEditor::RequestTextRelayout()
 899 {
 900   RelayoutRequest();
 901 }
 902
 903 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 904 {
 905   if(Accessibility::IsUp())
 906   {
 907     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 908   }
 909 }
 910
 911 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 912 {
 913   if(Accessibility::IsUp())
 914   {
 915     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 916   }
 917 }
 918
 919 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 920 {
 921   if(Accessibility::IsUp())
 922   {
 923     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 924   }
 925
 926   if((oldPosition != newPosition) && !mCursorPositionChanged)
 927   {
 928     mCursorPositionChanged = true;
 929     mOldPosition           = oldPosition;
 930   }
 931 }
 932
 933 void TextEditor::TextChanged(bool immediate)
 934 {
 935   if(immediate) // Emits TextChangedSignal immediately
 936   {
 937     EmitTextChangedSignal();
 938   }
 939   else
 940   {
 941     mTextChanged = true;
 942   }
 943 }
 944
 945 void TextEditor::EmitTextChangedSignal()
 946 {
 947   Dali::Toolkit::TextEditor handle(GetOwner());
 948   mTextChangedSignal.Emit(handle);
 949   mTextChanged = false;
 950 }
 951
 952 void TextEditor::MaxLengthReached()
 953 {
 954   Dali::Toolkit::TextEditor handle(GetOwner());
 955   mMaxLengthReachedSignal.Emit(handle);
 956 }
 957
 958 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 959 {
 960   Dali::Toolkit::TextEditor handle(GetOwner());
 961   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 962 }
 963
 964 void TextEditor::AnchorClicked(const std::string& href)
 965 {
 966   Dali::Toolkit::TextEditor handle(GetOwner());
 967   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 968 }
 969
 970 void TextEditor::EmitCursorPositionChangedSignal()
 971 {
 972   Dali::Toolkit::TextEditor handle(GetOwner());
 973   mCursorPositionChanged = false;
 974   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 975 }
 976
 977 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
 978 {
 979   Dali::Toolkit::TextEditor handle(GetOwner());
 980   mInputFilteredSignal.Emit(handle, type);
 981 }
 982
 983 void TextEditor::EmitSelectionChangedSignal()
 984 {
 985   Dali::Toolkit::TextEditor handle(GetOwner());
 986   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 987   mSelectionChanged = false;
 988 }
 989
 990 void TextEditor::EmitSelectionClearedSignal()
 991 {
 992   Dali::Toolkit::TextEditor handle(GetOwner());
 993   mSelectionClearedSignal.Emit(handle);
 994   mSelectionCleared = false;
 995 }
 996
 997 void TextEditor::EmitSelectionStartedSignal()
 998 {
 999   Dali::Toolkit::TextEditor handle(GetOwner());
1000   mSelectionStartedSignal.Emit(handle);
1001   mSelectionStarted = false;
1002 }
1003
1004 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
1005 {
1006   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
1007   {
1008     if(newStart == newEnd)
1009     {
1010       mSelectionCleared = true;
1011     }
1012     else
1013     {
1014       if(oldStart == oldEnd)
1015       {
1016         mSelectionStarted = true;
1017       }
1018     }
1019
1020     mSelectionChanged  = true;
1021     mOldSelectionStart = oldStart;
1022     mOldSelectionEnd   = oldEnd;
1023
1024     if(mOldSelectionStart > mOldSelectionEnd)
1025     {
1026       //swap
1027       uint32_t temp      = mOldSelectionStart;
1028       mOldSelectionStart = mOldSelectionEnd;
1029       mOldSelectionEnd   = temp;
1030     }
1031   }
1032 }
1033
1034 void TextEditor::AddDecoration(Actor& actor, bool needsClipping)
1035 {
1036   if(actor)
1037   {
1038     if(needsClipping)
1039     {
1040       mClippingDecorationActors.push_back(actor);
1041     }
1042     else
1043     {
1044       actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1045       actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1046       Self().Add(actor);
1047       mActiveLayer = actor;
1048     }
1049   }
1050 }
1051
1052 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1053 {
1054   if(mController && mController->IsShowingRealText())
1055   {
1056     mController->SetTextSelectionRange(start, end);
1057     SetKeyInputFocus();
1058   }
1059 }
1060
1061 Uint32Pair TextEditor::GetTextSelectionRange() const
1062 {
1063   Uint32Pair range(0, 0);
1064   if(mController && mController->IsShowingRealText())
1065   {
1066     range = mController->GetTextSelectionRange();
1067   }
1068   return range;
1069 }
1070
1071 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1072 {
1073   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1074   Property::Map*  resultMap = propValue.GetMap();
1075
1076   Property::Value* colorValue = nullptr;
1077   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1078   {
1079     colorValue->Get(color);
1080   }
1081 }
1082
1083 void TextEditor::UpdateScrollBar()
1084 {
1085   using namespace Dali;
1086
1087   float scrollPosition;
1088   float controlSize;
1089   float layoutSize;
1090   bool  latestScrolled;
1091
1092   if(!mScrollBarEnabled)
1093   {
1094     return;
1095   }
1096   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1097   if(!latestScrolled || controlSize > layoutSize)
1098   {
1099     return;
1100   }
1101
1102   CustomActor self = Self();
1103   if(!mScrollBar)
1104   {
1105     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1106     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1107     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1108     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1109     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1110     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1111
1112     // Register the scroll position property
1113     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1114     // Register the minimum scroll position property
1115     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1116     // Register the maximum scroll position property
1117     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1118     // Register the scroll content size property
1119     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1120
1121     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1122
1123     // Set style name of ScrollBar for styling
1124     mScrollBar.SetStyleName("TextEditorScrollBar");
1125     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1126     if(scrollIndicator)
1127     {
1128       // Set style name of ScrollBarIndicator for styling
1129       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1130     }
1131
1132     self.Add(mScrollBar);
1133   }
1134   else
1135   {
1136     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1137     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1138     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1139
1140     self.SetProperty(propertyScrollPosition, scrollPosition);
1141     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1142     self.SetProperty(propertyScrollContentSize, layoutSize);
1143   }
1144
1145   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1146   if(!mScrollStarted)
1147   {
1148     mScrollStarted = true;
1149     Dali::Toolkit::TextEditor handle(GetOwner());
1150     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1151   }
1152
1153   Actor indicator = mScrollBar.GetScrollIndicator();
1154   if(mAnimation)
1155   {
1156     mAnimation.Stop(); // Cancel any animation
1157   }
1158   else
1159   {
1160     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1161   }
1162   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1163   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1164   mAnimation.Play();
1165   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1166 }
1167
1168 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1169 {
1170   // If animation is successfully ended, then emit ScrollStateChangedSignal
1171   if(animation.GetCurrentProgress() == 0.0f)
1172   {
1173     mScrollStarted = false;
1174     Dali::Toolkit::TextEditor handle(GetOwner());
1175     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1176   }
1177 }
1178
1179 void TextEditor::OnSceneConnect(Dali::Actor actor)
1180 {
1181   if(mHasBeenStaged)
1182   {
1183     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1184   }
1185   else
1186   {
1187     mHasBeenStaged = true;
1188   }
1189 }
1190
1191 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1192 {
1193   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1194   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1195 }
1196
1197 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1198 {
1199   if(mDecorator)
1200   {
1201     Property::Map map;
1202     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1203
1204     value = map;
1205   }
1206 }
1207
1208 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1209 {
1210   mController->PasteClipboardItemEvent();
1211 }
1212
1213 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1214 {
1215   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1216
1217   // Just hide the grab handle when keyboard is hidden.
1218   if(!keyboardShown)
1219   {
1220     mController->KeyboardFocusLostEvent();
1221   }
1222   else
1223   {
1224     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1225   }
1226 }
1227
1228 void TextEditor::OnSceneConnection(int depth)
1229 {
1230   // Sets the depth to the visuals inside the text's decorator.
1231   mDecorator->SetTextDepth(depth);
1232
1233   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1234
1235   // Call the Control::OnSceneConnection() to set the depth of the background.
1236   Control::OnSceneConnection(depth);
1237 }
1238
1239 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1240 {
1241   return false;
1242 }
1243
1244 void TextEditor::OnIdleSignal()
1245 {
1246   // Emits the change of input style signals.
1247   mController->ProcessInputStyleChangedSignals();
1248
1249   // Set the pointer to null as the callback manager deletes the callback after execute it.
1250   mIdleCallback = NULL;
1251 }
1252
1253 void TextEditor::ApplyScrollPosition()
1254 {
1255   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1256   float          scrollAmount = 0.0f;
1257
1258   if(mScrollAnimationEnabled)
1259   {
1260     scrollAmount = mController->GetScrollAmountByUserInput();
1261   }
1262   if(mTextVerticalScroller)
1263   {
1264     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1265   }
1266   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1267   {
1268     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1269   }
1270   else
1271   {
1272     mTextVerticalScroller = Text::TextVerticalScroller::New();
1273     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1274     {
1275       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1276     }
1277     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1278   }
1279 }
1280
1281 bool TextEditor::IsEditable() const
1282 {
1283   return mController->IsEditable();
1284 }
1285
1286 void TextEditor::SetEditable(bool editable)
1287 {
1288   mController->SetEditable(editable);
1289   if(mInputMethodContext && !editable)
1290   {
1291     mInputMethodContext.Deactivate();
1292   }
1293 }
1294
1295 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1296 {
1297   mController->ChangedLayoutDirection();
1298 }
1299
1300 TextEditor::TextEditor()
1301 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1302   mAnimationPeriod(0.0f, 0.0f),
1303   mIdleCallback(NULL),
1304   mAlignmentOffset(0.f),
1305   mScrollAnimationDuration(0.f),
1306   mLineSpacing(0.f),
1307   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1308   mHasBeenStaged(false),
1309   mScrollAnimationEnabled(false),
1310   mScrollBarEnabled(false),
1311   mScrollStarted(false),
1312   mTextChanged(false),
1313   mCursorPositionChanged(false),
1314   mSelectionChanged(false),
1315   mSelectionCleared(false),
1316   mOldPosition(0u),
1317   mOldSelectionStart(0u),
1318   mOldSelectionEnd(0u),
1319   mSelectionStarted(false)
1320 {
1321 }
1322
1323 TextEditor::~TextEditor()
1324 {
1325   UnparentAndReset(mStencil);
1326
1327   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1328   {
1329     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1330     Adaptor::Get().RemoveIdle(mIdleCallback);
1331   }
1332 }
1333
1334 std::string TextEditor::AccessibleImpl::GetName() const
1335 {
1336   auto self = Toolkit::TextEditor::DownCast(Self());
1337   return self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1338 }
1339
1340 std::string TextEditor::AccessibleImpl::GetText(size_t startOffset, size_t endOffset) const
1341 {
1342   if(endOffset <= startOffset)
1343   {
1344     return {};
1345   }
1346
1347   auto self = Toolkit::TextEditor::DownCast(Self());
1348   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1349
1350   if(startOffset > text.size() || endOffset > text.size())
1351   {
1352     return {};
1353   }
1354
1355   return text.substr(startOffset, endOffset - startOffset);
1356 }
1357
1358 size_t TextEditor::AccessibleImpl::GetCharacterCount() const
1359 {
1360   auto self = Toolkit::TextEditor::DownCast(Self());
1361   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1362
1363   return text.size();
1364 }
1365
1366 size_t TextEditor::AccessibleImpl::GetCursorOffset() const
1367 {
1368   auto slf = Toolkit::TextEditor::DownCast(Self());
1369   return Dali::Toolkit::GetImpl(slf).GetTextController()->GetCursorPosition();
1370 }
1371
1372 bool TextEditor::AccessibleImpl::SetCursorOffset(size_t offset)
1373 {
1374   auto slf = Toolkit::TextEditor::DownCast(Self());
1375   auto txt = slf.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1376   if(offset > txt.size())
1377   {
1378     return false;
1379   }
1380
1381   auto& slfImpl = Dali::Toolkit::GetImpl(slf);
1382   slfImpl.GetTextController()->ResetCursorPosition(offset);
1383   slfImpl.RequestTextRelayout();
1384
1385   return true;
1386 }
1387
1388 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetTextAtOffset(size_t offset, Dali::Accessibility::TextBoundary boundary) const
1389 {
1390   auto self     = Toolkit::TextEditor::DownCast(Self());
1391   auto text     = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1392   auto textSize = text.size();
1393
1394   auto range = Dali::Accessibility::Range{};
1395
1396   switch(boundary)
1397   {
1398     case Dali::Accessibility::TextBoundary::CHARACTER:
1399     {
1400       if(offset < textSize)
1401       {
1402         range.content     = text[offset];
1403         range.startOffset = offset;
1404         range.endOffset   = offset + 1;
1405       }
1406       break;
1407     }
1408     case Dali::Accessibility::TextBoundary::WORD:
1409     case Dali::Accessibility::TextBoundary::LINE:
1410     {
1411       auto textString = text.c_str();
1412       auto breaks     = std::vector<char>(textSize, 0);
1413
1414       if(boundary == Dali::Accessibility::TextBoundary::WORD)
1415       {
1416         Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1417       }
1418       else
1419       {
1420         Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1421       }
1422
1423       auto index   = 0u;
1424       auto counter = 0u;
1425       while(index < textSize && counter <= offset)
1426       {
1427         auto start = index;
1428         if(breaks[index])
1429         {
1430           while(breaks[index])
1431           {
1432             index++;
1433           }
1434           counter++;
1435         }
1436         else
1437         {
1438           if(boundary == Dali::Accessibility::TextBoundary::WORD)
1439           {
1440             index++;
1441           }
1442           if(boundary == Dali::Accessibility::TextBoundary::LINE)
1443           {
1444             counter++;
1445           }
1446         }
1447
1448         if((counter > 0) && ((counter - 1) == offset))
1449         {
1450           range.content     = text.substr(start, index - start + 1);
1451           range.startOffset = start;
1452           range.endOffset   = index + 1;
1453         }
1454
1455         if(boundary == Dali::Accessibility::TextBoundary::LINE)
1456         {
1457           index++;
1458         }
1459       }
1460       break;
1461     }
1462     case Dali::Accessibility::TextBoundary::SENTENCE:
1463     {
1464       /* not supported by default */
1465       break;
1466     }
1467     case Dali::Accessibility::TextBoundary::PARAGRAPH:
1468     {
1469       /* Paragraph is not supported by libunibreak library */
1470       break;
1471     }
1472     default:
1473       break;
1474   }
1475
1476   return range;
1477 }
1478
1479 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetRangeOfSelection(size_t selectionIndex) const
1480 {
1481   // Since DALi supports only one selection indexes higher than 0 are ignored
1482   if(selectionIndex > 0)
1483   {
1484     return {};
1485   }
1486
1487   auto        self       = Toolkit::TextEditor::DownCast(Self());
1488   auto        controller = Dali::Toolkit::GetImpl(self).GetTextController();
1489   std::string value{};
1490   controller->RetrieveSelection(value);
1491   auto indices = controller->GetSelectionIndexes();
1492
1493   return {static_cast<size_t>(indices.first), static_cast<size_t>(indices.second), value};
1494 }
1495
1496 bool TextEditor::AccessibleImpl::RemoveSelection(size_t selectionIndex)
1497 {
1498   // Since DALi supports only one selection indexes higher than 0 are ignored
1499   if(selectionIndex > 0)
1500   {
1501     return false;
1502   }
1503
1504   auto self = Toolkit::TextEditor::DownCast(Self());
1505   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1506   return true;
1507 }
1508
1509 bool TextEditor::AccessibleImpl::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1510 {
1511   // Since DALi supports only one selection indexes higher than 0 are ignored
1512   if(selectionIndex > 0)
1513   {
1514     return false;
1515   }
1516
1517   auto self = Toolkit::TextEditor::DownCast(Self());
1518   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1519   return true;
1520 }
1521
1522 bool TextEditor::AccessibleImpl::CopyText(size_t startPosition, size_t endPosition)
1523 {
1524   if(endPosition <= startPosition)
1525   {
1526     return false;
1527   }
1528
1529   auto self = Toolkit::TextEditor::DownCast(Self());
1530   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1531   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1532
1533   return true;
1534 }
1535
1536 bool TextEditor::AccessibleImpl::CutText(size_t startPosition, size_t endPosition)
1537 {
1538   if(endPosition <= startPosition)
1539   {
1540     return false;
1541   }
1542
1543   auto self = Toolkit::TextEditor::DownCast(Self());
1544   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1545   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1546
1547   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1548
1549   return true;
1550 }
1551
1552 bool TextEditor::AccessibleImpl::DeleteText(size_t startPosition, size_t endPosition)
1553 {
1554   if(endPosition <= startPosition)
1555   {
1556     return false;
1557   }
1558
1559   auto self = Toolkit::TextEditor::DownCast(Self());
1560   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1561
1562   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1563
1564   return true;
1565 }
1566
1567 Dali::Accessibility::States TextEditor::AccessibleImpl::CalculateStates()
1568 {
1569   using namespace Dali::Accessibility;
1570
1571   auto states              = DevelControl::ControlAccessible::CalculateStates();
1572   states[State::EDITABLE]  = true;
1573   states[State::FOCUSABLE] = true;
1574
1575   Toolkit::Control focusControl = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
1576   if(Self() == focusControl)
1577   {
1578     states[State::FOCUSED] = true;
1579   }
1580
1581   return states;
1582 }
1583
1584 bool TextEditor::AccessibleImpl::InsertText(size_t startPosition, std::string text)
1585 {
1586   auto self         = Toolkit::TextEditor::DownCast(Self());
1587   auto insertedText = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1588
1589   insertedText.insert(startPosition, text);
1590
1591   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(insertedText));
1592
1593   return true;
1594 }
1595
1596 bool TextEditor::AccessibleImpl::SetTextContents(std::string newContents)
1597 {
1598   auto self = Toolkit::TextEditor::DownCast(Self());
1599   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(newContents));
1600   return true;
1601 }
1602
1603 int32_t TextEditor::AccessibleImpl::GetLinkCount() const
1604 {
1605   auto self = Toolkit::TextEditor::DownCast(Self());
1606   return Dali::Toolkit::GetImpl(self).mAnchorActors.size();
1607 }
1608
1609 Accessibility::Hyperlink* TextEditor::AccessibleImpl::GetLink(int32_t linkIndex) const
1610 {
1611   if(linkIndex < 0 || linkIndex >= GetLinkCount())
1612   {
1613     return nullptr;
1614   }
1615   auto self        = Toolkit::TextEditor::DownCast(Self());
1616   auto anchorActor = Dali::Toolkit::GetImpl(self).mAnchorActors[linkIndex];
1617   return dynamic_cast<Accessibility::Hyperlink*>(Dali::Accessibility::Accessible::Get(anchorActor));
1618 }
1619
1620 int32_t TextEditor::AccessibleImpl::GetLinkIndex(int32_t characterOffset) const
1621 {
1622   auto self       = Toolkit::TextEditor::DownCast(Self());
1623   auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1624   return controller->GetAnchorIndex(static_cast<size_t>(characterOffset));
1625 }
1626
1627 } // namespace Internal
1628
1629 } // namespace Toolkit
1630
1631 } // namespace Dali