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

   1 /*
   2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali-toolkit/internal/controls/text-controls/text-editor-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/devel-api/actors/actor-devel.h>
  23 #include <dali/devel-api/common/stage.h>
  24 #include <dali/devel-api/object/property-helper-devel.h>
  25 #include <dali/integration-api/adaptor-framework/adaptor.h>
  26 #include <dali/integration-api/debug.h>
  27 #include <dali/public-api/actors/layer.h>
  28 #include <dali/public-api/adaptor-framework/key.h>
  29 #include <dali/public-api/common/dali-common.h>
  30 #include <dali/public-api/object/type-registry-helper.h>
  31 #include <cstring>
  32 #include <limits>
  33
  34 // INTERNAL INCLUDES
  35 #include <dali-toolkit/devel-api/controls/control-devel.h>
  36 #include <dali-toolkit/devel-api/focus-manager/keyinput-focus-manager.h>
  37 #include <dali-toolkit/devel-api/text/rendering-backend.h>
  38 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
  39 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  40 #include <dali-toolkit/internal/controls/text-controls/text-editor-property-handler.h>
  41 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  42 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  43 #include <dali-toolkit/internal/text/text-effects-style.h>
  44 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  45 #include <dali-toolkit/internal/text/text-font-style.h>
  46 #include <dali-toolkit/internal/text/text-view.h>
  47 #include <dali-toolkit/public-api/text/text-enumerations.h>
  48 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  49 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  50
  51 using namespace Dali::Toolkit::Text;
  52
  53 #if defined(DEBUG_ENABLED)
  54 Debug::Filter* gTextEditorLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  55 #endif
  56
  57 namespace Dali
  58 {
  59 namespace Toolkit
  60 {
  61 namespace Internal
  62 {
  63 namespace // unnamed namespace
  64 {
  65 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  66 const float        DEFAULT_SCROLL_SPEED      = 1200.f; ///< The default scroll speed for the text editor in pixels/second.
  67 } // unnamed namespace
  68
  69 namespace
  70 {
  71 const char* const SCROLL_BAR_POSITION("sourcePosition");
  72 const char* const SCROLL_BAR_POSITION_MIN("sourcePositionMin");
  73 const char* const SCROLL_BAR_POSITION_MAX("sourcePositionMax");
  74 const char* const SCROLL_BAR_CONTENT_SIZE("sourceContentSize");
  75
  76 // Type registration
  77 BaseHandle Create()
  78 {
  79   return Toolkit::TextEditor::New();
  80 }
  81
  82 // clang-format off
  83 // Setup properties, signals and actions using the type-registry.
  84 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::TextEditor, Toolkit::Control, Create);
  85
  86 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "text",                                 STRING,    TEXT                                )
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "textColor",                            VECTOR4,   TEXT_COLOR                          )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontFamily",                           STRING,    FONT_FAMILY                         )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontStyle",                            MAP,       FONT_STYLE                          )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pointSize",                            FLOAT,     POINT_SIZE                          )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "horizontalAlignment",                  STRING,    HORIZONTAL_ALIGNMENT                )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollThreshold",                      FLOAT,     SCROLL_THRESHOLD                    )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollSpeed",                          FLOAT,     SCROLL_SPEED                        )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "primaryCursorColor",                   VECTOR4,   PRIMARY_CURSOR_COLOR                )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "secondaryCursorColor",                 VECTOR4,   SECONDARY_CURSOR_COLOR              )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableCursorBlink",                    BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkInterval",                  FLOAT,     CURSOR_BLINK_INTERVAL               )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkDuration",                  FLOAT,     CURSOR_BLINK_DURATION               )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorWidth",                          INTEGER,   CURSOR_WIDTH                        )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandleImage",                      STRING,    GRAB_HANDLE_IMAGE                   )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandlePressedImage",               STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageLeft",             MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageRight",            MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageLeft",      MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageRight",     MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageLeft",       MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageRight",      MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHighlightColor",              VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "decorationBoundingBox",                RECTANGLE, DECORATION_BOUNDING_BOX             )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableMarkup",                         BOOLEAN,   ENABLE_MARKUP                       )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputColor",                           VECTOR4,   INPUT_COLOR                         )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontFamily",                      STRING,    INPUT_FONT_FAMILY                   )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontStyle",                       MAP,       INPUT_FONT_STYLE                    )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputPointSize",                       FLOAT,     INPUT_POINT_SIZE                    )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineSpacing",                          FLOAT,     LINE_SPACING                        )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputLineSpacing",                     FLOAT,     INPUT_LINE_SPACING                  )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "underline",                            MAP,       UNDERLINE                           )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputUnderline",                       MAP,       INPUT_UNDERLINE                     )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "shadow",                               MAP,       SHADOW                              )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputShadow",                          MAP,       INPUT_SHADOW                        )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "emboss",                               MAP,       EMBOSS                              )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputEmboss",                          MAP,       INPUT_EMBOSS                        )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "outline",                              MAP,       OUTLINE                             )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputOutline",                         MAP,       INPUT_OUTLINE                       )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScroll",                         BOOLEAN,   SMOOTH_SCROLL                       )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScrollDuration",                 FLOAT,     SMOOTH_SCROLL_DURATION              )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableScrollBar",                      BOOLEAN,   ENABLE_SCROLL_BAR                   )
 128 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarShowDuration",                FLOAT,     SCROLL_BAR_SHOW_DURATION            )
 129 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarFadeDuration",                FLOAT,     SCROLL_BAR_FADE_DURATION            )
 130 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pixelSize",                            FLOAT,     PIXEL_SIZE                          )
 131 DALI_PROPERTY_REGISTRATION_READ_ONLY(Toolkit,       TextEditor, "lineCount",                            INTEGER,   LINE_COUNT                          )
 132 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableSelection",                      BOOLEAN,   ENABLE_SELECTION                    )
 133 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "placeholder",                          MAP,       PLACEHOLDER                         )
 134 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineWrapMode",                         INTEGER,   LINE_WRAP_MODE                      )
 135 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderText",                      STRING,    PLACEHOLDER_TEXT                    )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderTextColor",                 VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableShiftSelection",                 BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandle",                     BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "matchSystemLanguageDirection",         BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "renderingBackend",                     INTEGER,   RENDERING_BACKEND                   )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "maxLength",                            INTEGER,   MAX_LENGTH                          )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextStart",                    INTEGER,   SELECTED_TEXT_START                 )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextEnd",                      INTEGER,   SELECTED_TEXT_END                   )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "horizontalScrollPosition",             FLOAT,     HORIZONTAL_SCROLL_POSITION          )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalScrollPosition",               INTEGER,   VERTICAL_SCROLL_POSITION            )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableEditing",                        BOOLEAN,   ENABLE_EDITING                      )
 147 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextEditor, "selectedText",                         STRING,    SELECTED_TEXT                       )
 148 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "fontSizeScale",                        FLOAT,     FONT_SIZE_SCALE                     )
 149 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "primaryCursorPosition",                INTEGER,   PRIMARY_CURSOR_POSITION             )
 150 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "grabHandleColor",                      VECTOR4,   GRAB_HANDLE_COLOR                   )
 151 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandlePopup",                BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 152 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputMethodSettings",                  MAP,       INPUT_METHOD_SETTINGS               )
 153 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputFilter",                          MAP,       INPUT_FILTER                        )
 154 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsis",                             BOOLEAN,   ELLIPSIS                            )
 155 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsisPosition",                     INTEGER,   ELLIPSIS_POSITION                   )
 156 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "minLineSize",                          FLOAT,     MIN_LINE_SIZE                       )
 157 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "strikethrough",                        MAP,       STRIKETHROUGH                       )
 158 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputStrikethrough",                   MAP,       INPUT_STRIKETHROUGH                 )
 159
 160 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "textChanged",           SIGNAL_TEXT_CHANGED           )
 161 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 162 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 163 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 164 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 165 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 166 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 167 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 168
 169 DALI_TYPE_REGISTRATION_END()
 170 // clang-format on
 171
 172 Toolkit::TextEditor::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 173 {
 174   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 175
 176   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 177   {
 178     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 179   }
 180   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 181   {
 182     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 183   }
 184   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 185   {
 186     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 187   }
 188   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 189   {
 190     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 191   }
 192   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 193   {
 194     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 195   }
 196   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 197   {
 198     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 199   }
 200   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 201   {
 202     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 203   }
 204   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 205   {
 206     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 207   }
 208   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 209   {
 210     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 211   }
 212   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 213   {
 214     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 215   }
 216   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 217   {
 218     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
 219   }
 220   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_STRIKETHROUGH))
 221   {
 222     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::STRIKETHROUGH);
 223   }
 224
 225   return editorInputStyleMask;
 226 }
 227
 228 } // namespace
 229
 230 Toolkit::TextEditor TextEditor::New()
 231 {
 232   // Create the implementation, temporarily owned by this handle on stack
 233   IntrusivePtr<TextEditor> impl = new TextEditor();
 234
 235   // Pass ownership to CustomActor handle
 236   Toolkit::TextEditor handle(*impl);
 237
 238   // Second-phase init of the implementation
 239   // This can only be done after the CustomActor connection has been made...
 240   impl->Initialize();
 241
 242   return handle;
 243 }
 244
 245 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 246 {
 247   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 248
 249   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 250
 251   if(textEditor)
 252   {
 253     PropertyHandler::SetProperty(textEditor, index, value);
 254   }
 255 }
 256
 257 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 258 {
 259   Property::Value value;
 260
 261   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 262
 263   if(textEditor)
 264   {
 265     value = PropertyHandler::GetProperty(textEditor, index);
 266   }
 267   return value;
 268 }
 269
 270 void TextEditor::SelectWholeText()
 271 {
 272   if(mController && mController->IsShowingRealText())
 273   {
 274     mController->SelectWholeText();
 275     SetKeyInputFocus();
 276   }
 277 }
 278
 279 void TextEditor::SelectNone()
 280 {
 281   if(mController && mController->IsShowingRealText())
 282   {
 283     mController->SelectNone();
 284   }
 285 }
 286
 287 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 288 {
 289   if(mController && mController->IsShowingRealText())
 290   {
 291     mController->SelectText(start, end);
 292     SetKeyInputFocus();
 293   }
 294 }
 295
 296 string TextEditor::CopyText()
 297 {
 298   string copiedText = "";
 299   if(mController && mController->IsShowingRealText())
 300   {
 301     copiedText = mController->CopyText();
 302   }
 303   return copiedText;
 304 }
 305
 306 string TextEditor::CutText()
 307 {
 308   string cutText = "";
 309   if(mController && mController->IsShowingRealText())
 310   {
 311     cutText = mController->CutText();
 312   }
 313   return cutText;
 314 }
 315
 316 void TextEditor::PasteText()
 317 {
 318   if(mController)
 319   {
 320     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 321     mController->PasteText();
 322   }
 323 }
 324
 325 void TextEditor::ScrollBy(Vector2 scroll)
 326 {
 327   if(mController && mController->IsShowingRealText())
 328   {
 329     mController->ScrollBy(scroll);
 330   }
 331 }
 332
 333 float TextEditor::GetHorizontalScrollPosition()
 334 {
 335   if(mController && mController->IsShowingRealText())
 336   {
 337     return mController->GetHorizontalScrollPosition();
 338   }
 339   return 0;
 340 }
 341
 342 float TextEditor::GetVerticalScrollPosition()
 343 {
 344   if(mController && mController->IsShowingRealText())
 345   {
 346     return mController->GetVerticalScrollPosition();
 347   }
 348   return 0;
 349 }
 350
 351 Vector<Vector2> TextEditor::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
 352 {
 353   return mController->GetTextSize(startIndex, endIndex);
 354 }
 355
 356 Vector<Vector2> TextEditor::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
 357 {
 358   return mController->GetTextPosition(startIndex, endIndex);
 359 }
 360
 361 string TextEditor::GetSelectedText() const
 362 {
 363   string selectedText = "";
 364   if(mController && mController->IsShowingRealText())
 365   {
 366     selectedText = mController->GetSelectedText();
 367   }
 368   return selectedText;
 369 }
 370
 371 InputMethodContext TextEditor::GetInputMethodContext()
 372 {
 373   return mInputMethodContext;
 374 }
 375
 376 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 377 {
 378   return mMaxLengthReachedSignal;
 379 }
 380
 381 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 382 {
 383   return mAnchorClickedSignal;
 384 }
 385
 386 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 387 {
 388   return mCursorPositionChangedSignal;
 389 }
 390
 391 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 392 {
 393   return mInputFilteredSignal;
 394 }
 395
 396 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 397 {
 398   return mSelectionChangedSignal;
 399 }
 400
 401 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 402 {
 403   return mSelectionClearedSignal;
 404 }
 405
 406 Text::ControllerPtr TextEditor::GetTextController()
 407 {
 408   return mController;
 409 }
 410
 411 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 412 {
 413   Dali::BaseHandle handle(object);
 414
 415   bool                connected(true);
 416   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 417
 418   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 419   {
 420     editor.TextChangedSignal().Connect(tracker, functor);
 421   }
 422   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 423   {
 424     editor.InputStyleChangedSignal().Connect(tracker, functor);
 425   }
 426   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 427   {
 428     if(editor)
 429     {
 430       Internal::TextEditor& editorImpl(GetImpl(editor));
 431       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 432     }
 433   }
 434   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 435   {
 436     if(editor)
 437     {
 438       Internal::TextEditor& editorImpl(GetImpl(editor));
 439       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 440     }
 441   }
 442   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 443   {
 444     if(editor)
 445     {
 446       Internal::TextEditor& editorImpl(GetImpl(editor));
 447       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 448     }
 449   }
 450   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 451   {
 452     if(editor)
 453     {
 454       Internal::TextEditor& editorImpl(GetImpl(editor));
 455       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 456     }
 457   }
 458   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 459   {
 460     if(editor)
 461     {
 462       Internal::TextEditor& editorImpl(GetImpl(editor));
 463       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 464     }
 465   }
 466   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 467   {
 468     if(editor)
 469     {
 470       Internal::TextEditor& editorImpl(GetImpl(editor));
 471       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 472     }
 473   }
 474   else
 475   {
 476     // signalName does not match any signal
 477     connected = false;
 478   }
 479
 480   return connected;
 481 }
 482
 483 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 484 {
 485   return mTextChangedSignal;
 486 }
 487
 488 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 489 {
 490   return mInputStyleChangedSignal;
 491 }
 492
 493 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 494 {
 495   return mScrollStateChangedSignal;
 496 }
 497
 498 void TextEditor::OnAccessibilityStatusChanged()
 499 {
 500   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 501 }
 502
 503 void TextEditor::OnInitialize()
 504 {
 505   Actor self = Self();
 506
 507   mController = Text::Controller::New(this, this, this, this);
 508
 509   mDecorator = Text::Decorator::New(*mController,
 510                                     *mController);
 511
 512   mInputMethodContext = InputMethodContext::New(self);
 513
 514   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 515
 516   // Enables the text input.
 517   mController->EnableTextInput(mDecorator, mInputMethodContext);
 518
 519   // Enables the vertical scrolling after the text input has been enabled.
 520   mController->SetVerticalScrollEnabled(true);
 521
 522   // Disables the horizontal scrolling.
 523   mController->SetHorizontalScrollEnabled(false);
 524
 525   // Sets the maximum number of characters.
 526   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 527
 528   // Enable the smooth handle panning.
 529   mController->SetSmoothHandlePanEnabled(true);
 530
 531   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 532   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 533
 534   // Sets layoutDirection value
 535   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 536   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 537   mController->SetLayoutDirection(layoutDirection);
 538
 539   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 540
 541   // Forward input events to controller
 542   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 543   GetTapGestureDetector().SetMaximumTapsRequired(2);
 544   GetTapGestureDetector().ReceiveAllTapEvents(true);
 545
 546   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 547
 548   // Set BoundingBox to stage size if not already set.
 549   Rect<int> boundingBox;
 550   mDecorator->GetBoundingBox(boundingBox);
 551
 552   if(boundingBox.IsEmpty())
 553   {
 554     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 555     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 556   }
 557
 558   // Whether to flip the selection handles as soon as they cross.
 559   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 560
 561   // Set the default scroll speed.
 562   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 563
 564   // Fill-parent area by default
 565   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 566   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 567   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 568
 569   //Enable highightability
 570   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 571
 572   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 573
 574   // Creates an extra control to be used as stencil buffer.
 575   mStencil = Control::New();
 576   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 577   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 578
 579   // Creates a background visual. Even if the color is transparent it updates the stencil.
 580   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 581                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 582
 583   // Enable the clipping property.
 584   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 585   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 586
 587   self.Add(mStencil);
 588
 589   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 590     return std::unique_ptr<Dali::Accessibility::Accessible>(
 591       new AccessibleImpl(actor, Dali::Accessibility::Role::ENTRY));
 592   });
 593
 594   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 595   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 596 }
 597
 598 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 599 {
 600   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 601
 602   switch(change)
 603   {
 604     case StyleChange::DEFAULT_FONT_CHANGE:
 605     {
 606       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 607       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 608       // Property system did not set the font so should update it.
 609       mController->UpdateAfterFontChange(newFont);
 610       RelayoutRequest();
 611       break;
 612     }
 613
 614     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 615     {
 616       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 617       RelayoutRequest();
 618       break;
 619     }
 620     case StyleChange::THEME_CHANGE:
 621     {
 622       // Nothing to do, let control base class handle this
 623       break;
 624     }
 625   }
 626
 627   // Up call to Control
 628   Control::OnStyleChange(styleManager, change);
 629 }
 630
 631 Vector3 TextEditor::GetNaturalSize()
 632 {
 633   Extents padding;
 634   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 635
 636   Vector3 naturalSize = mController->GetNaturalSize();
 637   naturalSize.width += (padding.start + padding.end);
 638   naturalSize.height += (padding.top + padding.bottom);
 639
 640   return naturalSize;
 641 }
 642
 643 float TextEditor::GetHeightForWidth(float width)
 644 {
 645   Extents padding;
 646   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 647   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 648 }
 649
 650 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 651 {
 652   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 653   {
 654     actor.SetProperty(Actor::Property::SIZE, size);
 655   }
 656 }
 657
 658 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 659 {
 660   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 661
 662   Actor self = Self();
 663
 664   Extents padding;
 665   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 666
 667   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 668
 669   // Support Right-To-Left of padding
 670   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 671
 672   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 673   {
 674     std::swap(padding.start, padding.end);
 675   }
 676
 677   if(mStencil)
 678   {
 679     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 680     ResizeActor(mStencil, contentSize);
 681   }
 682   if(mActiveLayer)
 683   {
 684     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 685     ResizeActor(mActiveLayer, contentSize);
 686   }
 687
 688   // If there is text changed, callback is called.
 689   if(mTextChanged)
 690   {
 691     EmitTextChangedSignal();
 692   }
 693
 694   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 695
 696   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 697      !mRenderer)
 698   {
 699     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 700
 701     if(mDecorator &&
 702        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 703     {
 704       mDecorator->Relayout(contentSize);
 705     }
 706
 707     if(!mRenderer)
 708     {
 709       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 710     }
 711
 712     RenderText(updateTextType);
 713   }
 714
 715   if(mCursorPositionChanged)
 716   {
 717     EmitCursorPositionChangedSignal();
 718   }
 719
 720   if(mSelectionChanged)
 721   {
 722     EmitSelectionChangedSignal();
 723   }
 724
 725   if(mSelectionCleared)
 726   {
 727     EmitSelectionClearedSignal();
 728   }
 729
 730   // The text-editor emits signals when the input style changes. These changes of style are
 731   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 732   // can't be emitted during the size negotiation as the callbacks may update the UI.
 733   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 734   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 735   {
 736     if(Adaptor::IsAvailable())
 737     {
 738       Adaptor& adaptor = Adaptor::Get();
 739
 740       if(NULL == mIdleCallback)
 741       {
 742         // @note: The callback manager takes the ownership of the callback object.
 743         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 744         adaptor.AddIdle(mIdleCallback, false);
 745       }
 746     }
 747   }
 748 }
 749
 750 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 751 {
 752   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 753   if(mRenderableActor)
 754   {
 755     ApplyScrollPosition();
 756   }
 757   UpdateScrollBar();
 758 }
 759
 760 void TextEditor::OnKeyInputFocusGained()
 761 {
 762   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 763   if(mInputMethodContext && IsEditable())
 764   {
 765     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 766     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 767     mInputMethodContext.NotifyTextInputMultiLine(true);
 768
 769     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 770
 771     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 772
 773     // Notify that the text editing start.
 774     mInputMethodContext.Activate();
 775
 776     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 777     mInputMethodContext.SetRestoreAfterFocusLost(true);
 778   }
 779   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 780
 781   if(notifier)
 782   {
 783     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 784   }
 785
 786   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 787
 788   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 789 }
 790
 791 void TextEditor::OnKeyInputFocusLost()
 792 {
 793   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 794   if(mInputMethodContext)
 795   {
 796     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 797
 798     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 799     mInputMethodContext.SetRestoreAfterFocusLost(false);
 800
 801     // Notify that the text editing finish.
 802     mInputMethodContext.Deactivate();
 803
 804     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 805   }
 806   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 807
 808   if(notifier)
 809   {
 810     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 811   }
 812
 813   mController->KeyboardFocusLostEvent();
 814
 815   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 816 }
 817
 818 bool TextEditor::OnAccessibilityActivated()
 819 {
 820   SetKeyInputFocus();
 821   return true;
 822 }
 823
 824 void TextEditor::OnTap(const TapGesture& gesture)
 825 {
 826   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 827   if(mInputMethodContext && IsEditable())
 828   {
 829     mInputMethodContext.Activate();
 830   }
 831   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 832   Extents padding;
 833   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 834   const Vector2& localPoint = gesture.GetLocalPoint();
 835   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 836   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 837
 838   SetKeyInputFocus();
 839 }
 840
 841 void TextEditor::OnPan(const PanGesture& gesture)
 842 {
 843   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 844 }
 845
 846 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 847 {
 848   if(mInputMethodContext && IsEditable())
 849   {
 850     mInputMethodContext.Activate();
 851   }
 852   Extents padding;
 853   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 854   const Vector2& localPoint = gesture.GetLocalPoint();
 855   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 856
 857   SetKeyInputFocus();
 858 }
 859
 860 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 861 {
 862   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 863
 864   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 865   {
 866     // Make sure ClearKeyInputFocus when only key is up
 867     if(event.GetState() == KeyEvent::UP)
 868     {
 869       ClearKeyInputFocus();
 870     }
 871
 872     return true;
 873   }
 874
 875   return mController->KeyEvent(event);
 876 }
 877
 878 void TextEditor::RequestTextRelayout()
 879 {
 880   RelayoutRequest();
 881 }
 882
 883 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 884 {
 885   if(Accessibility::IsUp())
 886   {
 887     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 888   }
 889 }
 890
 891 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 892 {
 893   if(Accessibility::IsUp())
 894   {
 895     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 896   }
 897 }
 898
 899 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 900 {
 901   if(Accessibility::IsUp())
 902   {
 903     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 904   }
 905
 906   if((oldPosition != newPosition) && !mCursorPositionChanged)
 907   {
 908     mCursorPositionChanged = true;
 909     mOldPosition           = oldPosition;
 910   }
 911 }
 912
 913 void TextEditor::TextChanged(bool immediate)
 914 {
 915   if(immediate) // Emits TextChangedSignal immediately
 916   {
 917     EmitTextChangedSignal();
 918   }
 919   else
 920   {
 921     mTextChanged = true;
 922   }
 923 }
 924
 925 void TextEditor::EmitTextChangedSignal()
 926 {
 927   Dali::Toolkit::TextEditor handle(GetOwner());
 928   mTextChangedSignal.Emit(handle);
 929   mTextChanged = false;
 930 }
 931
 932 void TextEditor::MaxLengthReached()
 933 {
 934   Dali::Toolkit::TextEditor handle(GetOwner());
 935   mMaxLengthReachedSignal.Emit(handle);
 936 }
 937
 938 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 939 {
 940   Dali::Toolkit::TextEditor handle(GetOwner());
 941   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 942 }
 943
 944 void TextEditor::AnchorClicked(const std::string& href)
 945 {
 946   Dali::Toolkit::TextEditor handle(GetOwner());
 947   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 948 }
 949
 950 void TextEditor::EmitCursorPositionChangedSignal()
 951 {
 952   Dali::Toolkit::TextEditor handle(GetOwner());
 953   mCursorPositionChanged = false;
 954   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 955 }
 956
 957 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
 958 {
 959   Dali::Toolkit::TextEditor handle(GetOwner());
 960   mInputFilteredSignal.Emit(handle, type);
 961 }
 962
 963 void TextEditor::EmitSelectionChangedSignal()
 964 {
 965   Dali::Toolkit::TextEditor handle(GetOwner());
 966   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 967   mSelectionChanged = false;
 968 }
 969
 970 void TextEditor::EmitSelectionClearedSignal()
 971 {
 972   Dali::Toolkit::TextEditor handle(GetOwner());
 973   mSelectionClearedSignal.Emit(handle);
 974   mSelectionCleared = false;
 975 }
 976
 977 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
 978 {
 979   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
 980   {
 981     if(newStart == newEnd)
 982     {
 983       mSelectionCleared = true;
 984     }
 985
 986     mSelectionChanged  = true;
 987     mOldSelectionStart = oldStart;
 988     mOldSelectionEnd   = oldEnd;
 989
 990     if(mOldSelectionStart > mOldSelectionEnd)
 991     {
 992       //swap
 993       uint32_t temp      = mOldSelectionStart;
 994       mOldSelectionStart = mOldSelectionEnd;
 995       mOldSelectionEnd   = temp;
 996     }
 997   }
 998 }
 999
1000 void TextEditor::AddDecoration(Actor& actor, bool needsClipping)
1001 {
1002   if(actor)
1003   {
1004     if(needsClipping)
1005     {
1006       mClippingDecorationActors.push_back(actor);
1007     }
1008     else
1009     {
1010       actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1011       actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1012       Self().Add(actor);
1013       mActiveLayer = actor;
1014     }
1015   }
1016 }
1017
1018 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1019 {
1020   if(mController && mController->IsShowingRealText())
1021   {
1022     mController->SetTextSelectionRange(start, end);
1023     SetKeyInputFocus();
1024   }
1025 }
1026
1027 Uint32Pair TextEditor::GetTextSelectionRange() const
1028 {
1029   Uint32Pair range(0, 0);
1030   if(mController && mController->IsShowingRealText())
1031   {
1032     range = mController->GetTextSelectionRange();
1033   }
1034   return range;
1035 }
1036
1037 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1038 {
1039   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1040   Property::Map*  resultMap = propValue.GetMap();
1041
1042   Property::Value* colorValue = nullptr;
1043   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1044   {
1045     colorValue->Get(color);
1046   }
1047 }
1048
1049 void TextEditor::UpdateScrollBar()
1050 {
1051   using namespace Dali;
1052
1053   float scrollPosition;
1054   float controlSize;
1055   float layoutSize;
1056   bool  latestScrolled;
1057
1058   if(!mScrollBarEnabled)
1059   {
1060     return;
1061   }
1062   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1063   if(!latestScrolled || controlSize > layoutSize)
1064   {
1065     return;
1066   }
1067
1068   CustomActor self = Self();
1069   if(!mScrollBar)
1070   {
1071     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1072     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1073     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1074     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1075     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1076     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1077
1078     // Register the scroll position property
1079     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1080     // Register the minimum scroll position property
1081     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1082     // Register the maximum scroll position property
1083     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1084     // Register the scroll content size property
1085     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1086
1087     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1088
1089     // Set style name of ScrollBar for styling
1090     mScrollBar.SetStyleName("TextEditorScrollBar");
1091     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1092     if(scrollIndicator)
1093     {
1094       // Set style name of ScrollBarIndicator for styling
1095       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1096     }
1097
1098     self.Add(mScrollBar);
1099   }
1100   else
1101   {
1102     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1103     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1104     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1105
1106     self.SetProperty(propertyScrollPosition, scrollPosition);
1107     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1108     self.SetProperty(propertyScrollContentSize, layoutSize);
1109   }
1110
1111   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1112   if(!mScrollStarted)
1113   {
1114     mScrollStarted = true;
1115     Dali::Toolkit::TextEditor handle(GetOwner());
1116     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1117   }
1118
1119   Actor indicator = mScrollBar.GetScrollIndicator();
1120   if(mAnimation)
1121   {
1122     mAnimation.Stop(); // Cancel any animation
1123   }
1124   else
1125   {
1126     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1127   }
1128   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1129   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1130   mAnimation.Play();
1131   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1132 }
1133
1134 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1135 {
1136   // If animation is successfully ended, then emit ScrollStateChangedSignal
1137   if(animation.GetCurrentProgress() == 0.0f)
1138   {
1139     mScrollStarted = false;
1140     Dali::Toolkit::TextEditor handle(GetOwner());
1141     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1142   }
1143 }
1144
1145 void TextEditor::OnSceneConnect(Dali::Actor actor)
1146 {
1147   if(mHasBeenStaged)
1148   {
1149     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1150   }
1151   else
1152   {
1153     mHasBeenStaged = true;
1154   }
1155 }
1156
1157 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1158 {
1159   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1160   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1161 }
1162
1163 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1164 {
1165   if(mDecorator)
1166   {
1167     Property::Map map;
1168     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1169
1170     value = map;
1171   }
1172 }
1173
1174 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1175 {
1176   mController->PasteClipboardItemEvent();
1177 }
1178
1179 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1180 {
1181   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1182
1183   // Just hide the grab handle when keyboard is hidden.
1184   if(!keyboardShown)
1185   {
1186     mController->KeyboardFocusLostEvent();
1187   }
1188   else
1189   {
1190     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1191   }
1192 }
1193
1194 void TextEditor::OnSceneConnection(int depth)
1195 {
1196   // Sets the depth to the visuals inside the text's decorator.
1197   mDecorator->SetTextDepth(depth);
1198
1199   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1200
1201   // Call the Control::OnSceneConnection() to set the depth of the background.
1202   Control::OnSceneConnection(depth);
1203 }
1204
1205 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1206 {
1207   return false;
1208 }
1209
1210 void TextEditor::OnIdleSignal()
1211 {
1212   // Emits the change of input style signals.
1213   mController->ProcessInputStyleChangedSignals();
1214
1215   // Set the pointer to null as the callback manager deletes the callback after execute it.
1216   mIdleCallback = NULL;
1217 }
1218
1219 void TextEditor::ApplyScrollPosition()
1220 {
1221   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1222   float          scrollAmount = 0.0f;
1223
1224   if(mScrollAnimationEnabled)
1225   {
1226     scrollAmount = mController->GetScrollAmountByUserInput();
1227   }
1228   if(mTextVerticalScroller)
1229   {
1230     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1231   }
1232   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1233   {
1234     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1235   }
1236   else
1237   {
1238     mTextVerticalScroller = Text::TextVerticalScroller::New();
1239     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1240     {
1241       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1242     }
1243     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1244   }
1245 }
1246
1247 bool TextEditor::IsEditable() const
1248 {
1249   return mController->IsEditable();
1250 }
1251
1252 void TextEditor::SetEditable(bool editable)
1253 {
1254   mController->SetEditable(editable);
1255   if(mInputMethodContext && !editable)
1256   {
1257     mInputMethodContext.Deactivate();
1258   }
1259 }
1260
1261 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1262 {
1263   mController->ChangedLayoutDirection();
1264 }
1265
1266 TextEditor::TextEditor()
1267 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1268   mAnimationPeriod(0.0f, 0.0f),
1269   mIdleCallback(NULL),
1270   mAlignmentOffset(0.f),
1271   mScrollAnimationDuration(0.f),
1272   mLineSpacing(0.f),
1273   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1274   mHasBeenStaged(false),
1275   mScrollAnimationEnabled(false),
1276   mScrollBarEnabled(false),
1277   mScrollStarted(false),
1278   mTextChanged(false),
1279   mCursorPositionChanged(false),
1280   mSelectionChanged(false),
1281   mSelectionCleared(false),
1282   mOldPosition(0u),
1283   mOldSelectionStart(0u),
1284   mOldSelectionEnd(0u)
1285 {
1286 }
1287
1288 TextEditor::~TextEditor()
1289 {
1290   UnparentAndReset(mStencil);
1291
1292   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1293   {
1294     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1295     Adaptor::Get().RemoveIdle(mIdleCallback);
1296   }
1297 }
1298
1299 std::string TextEditor::AccessibleImpl::GetName()
1300 {
1301   auto self = Toolkit::TextEditor::DownCast(Self());
1302   return self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1303 }
1304
1305 std::string TextEditor::AccessibleImpl::GetText(size_t startOffset, size_t endOffset)
1306 {
1307   if(endOffset <= startOffset)
1308   {
1309     return {};
1310   }
1311
1312   auto self = Toolkit::TextEditor::DownCast(Self());
1313   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1314
1315   if(startOffset > text.size() || endOffset > text.size())
1316   {
1317     return {};
1318   }
1319
1320   return text.substr(startOffset, endOffset - startOffset);
1321 }
1322
1323 size_t TextEditor::AccessibleImpl::GetCharacterCount()
1324 {
1325   auto self = Toolkit::TextEditor::DownCast(Self());
1326   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1327
1328   return text.size();
1329 }
1330
1331 size_t TextEditor::AccessibleImpl::GetCursorOffset()
1332 {
1333   auto slf = Toolkit::TextEditor::DownCast(Self());
1334   return Dali::Toolkit::GetImpl(slf).GetTextController()->GetCursorPosition();
1335 }
1336
1337 bool TextEditor::AccessibleImpl::SetCursorOffset(size_t offset)
1338 {
1339   auto slf = Toolkit::TextEditor::DownCast(Self());
1340   auto txt = slf.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1341   if(offset > txt.size())
1342   {
1343     return false;
1344   }
1345
1346   auto& slfImpl = Dali::Toolkit::GetImpl(slf);
1347   slfImpl.GetTextController()->ResetCursorPosition(offset);
1348   slfImpl.RequestTextRelayout();
1349
1350   return true;
1351 }
1352
1353 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetTextAtOffset(size_t offset, Dali::Accessibility::TextBoundary boundary)
1354 {
1355   auto self     = Toolkit::TextEditor::DownCast(Self());
1356   auto text     = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1357   auto textSize = text.size();
1358
1359   auto range = Dali::Accessibility::Range{};
1360
1361   switch(boundary)
1362   {
1363     case Dali::Accessibility::TextBoundary::CHARACTER:
1364     {
1365       if(offset < textSize)
1366       {
1367         range.content     = text[offset];
1368         range.startOffset = offset;
1369         range.endOffset   = offset + 1;
1370       }
1371       break;
1372     }
1373     case Dali::Accessibility::TextBoundary::WORD:
1374     case Dali::Accessibility::TextBoundary::LINE:
1375     {
1376       auto textString = text.c_str();
1377       auto breaks     = std::vector<char>(textSize, 0);
1378
1379       if(boundary == Dali::Accessibility::TextBoundary::WORD)
1380       {
1381         Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1382       }
1383       else
1384       {
1385         Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1386       }
1387
1388       auto index   = 0u;
1389       auto counter = 0u;
1390       while(index < textSize && counter <= offset)
1391       {
1392         auto start = index;
1393         if(breaks[index])
1394         {
1395           while(breaks[index])
1396           {
1397             index++;
1398           }
1399           counter++;
1400         }
1401         else
1402         {
1403           if(boundary == Dali::Accessibility::TextBoundary::WORD)
1404           {
1405             index++;
1406           }
1407           if(boundary == Dali::Accessibility::TextBoundary::LINE)
1408           {
1409             counter++;
1410           }
1411         }
1412
1413         if((counter > 0) && ((counter - 1) == offset))
1414         {
1415           range.content     = text.substr(start, index - start + 1);
1416           range.startOffset = start;
1417           range.endOffset   = index + 1;
1418         }
1419
1420         if(boundary == Dali::Accessibility::TextBoundary::LINE)
1421         {
1422           index++;
1423         }
1424       }
1425       break;
1426     }
1427     case Dali::Accessibility::TextBoundary::SENTENCE:
1428     {
1429       /* not supported by default */
1430       break;
1431     }
1432     case Dali::Accessibility::TextBoundary::PARAGRAPH:
1433     {
1434       /* Paragraph is not supported by libunibreak library */
1435       break;
1436     }
1437     default:
1438       break;
1439   }
1440
1441   return range;
1442 }
1443
1444 Dali::Accessibility::Range TextEditor::AccessibleImpl::GetRangeOfSelection(size_t selectionIndex)
1445 {
1446   // Since DALi supports only one selection indexes higher than 0 are ignored
1447   if(selectionIndex > 0)
1448   {
1449     return {};
1450   }
1451
1452   auto        self       = Toolkit::TextEditor::DownCast(Self());
1453   auto        controller = Dali::Toolkit::GetImpl(self).GetTextController();
1454   std::string value{};
1455   controller->RetrieveSelection(value);
1456   auto indices = controller->GetSelectionIndexes();
1457
1458   return {static_cast<size_t>(indices.first), static_cast<size_t>(indices.second), value};
1459 }
1460
1461 bool TextEditor::AccessibleImpl::RemoveSelection(size_t selectionIndex)
1462 {
1463   // Since DALi supports only one selection indexes higher than 0 are ignored
1464   if(selectionIndex > 0)
1465   {
1466     return false;
1467   }
1468
1469   auto self = Toolkit::TextEditor::DownCast(Self());
1470   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1471   return true;
1472 }
1473
1474 bool TextEditor::AccessibleImpl::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1475 {
1476   // Since DALi supports only one selection indexes higher than 0 are ignored
1477   if(selectionIndex > 0)
1478   {
1479     return false;
1480   }
1481
1482   auto self = Toolkit::TextEditor::DownCast(Self());
1483   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1484   return true;
1485 }
1486
1487 bool TextEditor::AccessibleImpl::CopyText(size_t startPosition, size_t endPosition)
1488 {
1489   if(endPosition <= startPosition)
1490   {
1491     return false;
1492   }
1493
1494   auto self = Toolkit::TextEditor::DownCast(Self());
1495   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1496   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1497
1498   return true;
1499 }
1500
1501 bool TextEditor::AccessibleImpl::CutText(size_t startPosition, size_t endPosition)
1502 {
1503   if(endPosition <= startPosition)
1504   {
1505     return false;
1506   }
1507
1508   auto self = Toolkit::TextEditor::DownCast(Self());
1509   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1510   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1511
1512   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1513
1514   return true;
1515 }
1516
1517 bool TextEditor::AccessibleImpl::DeleteText(size_t startPosition, size_t endPosition)
1518 {
1519   if(endPosition <= startPosition)
1520   {
1521     return false;
1522   }
1523
1524   auto self = Toolkit::TextEditor::DownCast(Self());
1525   auto text = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1526
1527   self.SetProperty(Toolkit::TextEditor::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1528
1529   return true;
1530 }
1531
1532 Dali::Accessibility::States TextEditor::AccessibleImpl::CalculateStates()
1533 {
1534   using namespace Dali::Accessibility;
1535
1536   auto states              = DevelControl::AccessibleImpl::CalculateStates();
1537   states[State::EDITABLE]  = true;
1538   states[State::FOCUSABLE] = true;
1539
1540   Toolkit::Control focusControl = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
1541   if(mSelf == focusControl)
1542   {
1543     states[State::FOCUSED] = true;
1544   }
1545
1546   return states;
1547 }
1548
1549 bool TextEditor::AccessibleImpl::InsertText(size_t startPosition, std::string text)
1550 {
1551   auto self         = Toolkit::TextEditor::DownCast(Self());
1552   auto insertedText = self.GetProperty(Toolkit::TextEditor::Property::TEXT).Get<std::string>();
1553
1554   insertedText.insert(startPosition, text);
1555
1556   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(insertedText));
1557
1558   return true;
1559 }
1560
1561 bool TextEditor::AccessibleImpl::SetTextContents(std::string newContents)
1562 {
1563   auto self = Toolkit::TextEditor::DownCast(Self());
1564   self.SetProperty(Toolkit::TextEditor::Property::TEXT, std::move(newContents));
1565   return true;
1566 }
1567
1568 int32_t TextEditor::AccessibleImpl::GetLinkCount() const
1569 {
1570   auto self = Toolkit::TextEditor::DownCast(Self());
1571   return Dali::Toolkit::GetImpl(self).mAnchorActors.size();
1572 }
1573
1574 Accessibility::Hyperlink* TextEditor::AccessibleImpl::GetLink(int32_t linkIndex) const
1575 {
1576   if(linkIndex < 0 || linkIndex >= GetLinkCount())
1577   {
1578     return nullptr;
1579   }
1580   auto self        = Toolkit::TextEditor::DownCast(Self());
1581   auto anchorActor = Dali::Toolkit::GetImpl(self).mAnchorActors[linkIndex];
1582   return dynamic_cast<Accessibility::Hyperlink*>(Dali::Accessibility::Accessible::Get(anchorActor));
1583 }
1584
1585 int32_t TextEditor::AccessibleImpl::GetLinkIndex(int32_t characterOffset) const
1586 {
1587   auto self       = Toolkit::TextEditor::DownCast(Self());
1588   auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1589   return controller->GetAnchorIndex(static_cast<size_t>(characterOffset));
1590 }
1591
1592 } // namespace Internal
1593
1594 } // namespace Toolkit
1595
1596 } // namespace Dali