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