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 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "strikethrough",                    MAP,       STRIKETHROUGH                       )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "inputStrikethrough",               MAP,       INPUT_STRIKETHROUGH                 )
 147
 148 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "textChanged",           SIGNAL_TEXT_CHANGED           )
 149 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 150 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 151 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 152 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 153 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 154 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 155 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 156
 157 DALI_TYPE_REGISTRATION_END()
 158 // clang-format on
 159
 160 Toolkit::TextField::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 161 {
 162   Toolkit::TextField::InputStyle::Mask fieldInputStyleMask = Toolkit::TextField::InputStyle::NONE;
 163
 164   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 165   {
 166     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::COLOR);
 167   }
 168   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 169   {
 170     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_FAMILY);
 171   }
 172   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 173   {
 174     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::POINT_SIZE);
 175   }
 176   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 177   {
 178     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 179   }
 180   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 181   {
 182     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 183   }
 184   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 185   {
 186     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 187   }
 188   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 189   {
 190     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::UNDERLINE);
 191   }
 192   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 193   {
 194     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::SHADOW);
 195   }
 196   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 197   {
 198     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::EMBOSS);
 199   }
 200   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 201   {
 202     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::OUTLINE);
 203   }
 204   return fieldInputStyleMask;
 205 }
 206
 207 bool IsHiddenInput(Toolkit::TextField textField)
 208 {
 209   Property::Map hiddenInputSettings = textField.GetProperty<Property::Map>(Toolkit::TextField::Property::HIDDEN_INPUT_SETTINGS);
 210   auto          mode                = hiddenInputSettings.Find(Toolkit::HiddenInput::Property::MODE);
 211   if(mode && (mode->Get<int>() != Toolkit::HiddenInput::Mode::HIDE_NONE))
 212   {
 213     return true;
 214   }
 215   return false;
 216 }
 217
 218 char GetSubstituteCharacter(Toolkit::TextField textField)
 219 {
 220   Property::Map hiddenInputSettings = textField.GetProperty<Property::Map>(Toolkit::TextField::Property::HIDDEN_INPUT_SETTINGS);
 221   auto          substChar           = hiddenInputSettings.Find(Toolkit::HiddenInput::Property::SUBSTITUTE_CHARACTER);
 222   if(substChar)
 223   {
 224     return static_cast<char>(substChar->Get<int>());
 225   }
 226   return STAR;
 227 }
 228
 229 } // namespace
 230
 231 Toolkit::TextField TextField::New()
 232 {
 233   // Create the implementation, temporarily owned by this handle on stack
 234   IntrusivePtr<TextField> impl = new TextField();
 235
 236   // Pass ownership to CustomActor handle
 237   Toolkit::TextField handle(*impl);
 238
 239   // Second-phase init of the implementation
 240   // This can only be done after the CustomActor connection has been made...
 241   impl->Initialize();
 242
 243   return handle;
 244 }
 245
 246 void TextField::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 247 {
 248   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 249
 250   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField SetProperty\n");
 251
 252   if(textField)
 253   {
 254     PropertyHandler::SetProperty(textField, index, value);
 255   }
 256 }
 257
 258 Property::Value TextField::GetProperty(BaseObject* object, Property::Index index)
 259 {
 260   Property::Value value;
 261
 262   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 263
 264   if(textField)
 265   {
 266     value = PropertyHandler::GetProperty(textField, index);
 267   }
 268
 269   return value;
 270 }
 271
 272 void TextField::SelectWholeText()
 273 {
 274   if(mController && mController->IsShowingRealText())
 275   {
 276     mController->SelectWholeText();
 277     SetKeyInputFocus();
 278   }
 279 }
 280
 281 void TextField::SelectNone()
 282 {
 283   if(mController && mController->IsShowingRealText())
 284   {
 285     mController->SelectNone();
 286   }
 287 }
 288
 289 void TextField::SelectText(const uint32_t start, const uint32_t end)
 290 {
 291   if(mController && mController->IsShowingRealText())
 292   {
 293     mController->SelectText(start, end);
 294     SetKeyInputFocus();
 295   }
 296 }
 297
 298 string TextField::GetSelectedText() const
 299 {
 300   string selectedText = "";
 301   if(mController && mController->IsShowingRealText())
 302   {
 303     selectedText = mController->GetSelectedText();
 304   }
 305   return selectedText;
 306 }
 307
 308 void TextField::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
 309 {
 310   if(mController && mController->IsShowingRealText())
 311   {
 312     mController->SetTextSelectionRange(start, end);
 313     SetKeyInputFocus();
 314   }
 315 }
 316
 317 Uint32Pair TextField::GetTextSelectionRange() const
 318 {
 319   Uint32Pair range;
 320   if(mController && mController->IsShowingRealText())
 321   {
 322     range = mController->GetTextSelectionRange();
 323   }
 324   return range;
 325 }
 326
 327 string TextField::CopyText()
 328 {
 329   string copiedText = "";
 330   if(mController && mController->IsShowingRealText())
 331   {
 332     copiedText = mController->CopyText();
 333   }
 334   return copiedText;
 335 }
 336
 337 string TextField::CutText()
 338 {
 339   string cutText = "";
 340   if(mController && mController->IsShowingRealText())
 341   {
 342     cutText = mController->CutText();
 343   }
 344   return cutText;
 345 }
 346
 347 void TextField::PasteText()
 348 {
 349   if(mController)
 350   {
 351     SetKeyInputFocus(); //Giving focus to the field that was passed to the PasteText in case the passed field (current field) doesn't have focus.
 352     mController->PasteText();
 353   }
 354 }
 355
 356 InputMethodContext TextField::GetInputMethodContext()
 357 {
 358   return mInputMethodContext;
 359 }
 360
 361 bool TextField::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 362 {
 363   Dali::BaseHandle handle(object);
 364
 365   bool               connected(true);
 366   Toolkit::TextField field = Toolkit::TextField::DownCast(handle);
 367
 368   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 369   {
 370     field.TextChangedSignal().Connect(tracker, functor);
 371   }
 372   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 373   {
 374     field.MaxLengthReachedSignal().Connect(tracker, functor);
 375   }
 376   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 377   {
 378     field.InputStyleChangedSignal().Connect(tracker, functor);
 379   }
 380   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 381   {
 382     if(field)
 383     {
 384       Internal::TextField& fieldImpl(GetImpl(field));
 385       fieldImpl.AnchorClickedSignal().Connect(tracker, functor);
 386     }
 387   }
 388   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 389   {
 390     if(field)
 391     {
 392       Internal::TextField& fieldImpl(GetImpl(field));
 393       fieldImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 394     }
 395   }
 396   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 397   {
 398     if(field)
 399     {
 400       Internal::TextField& fieldImpl(GetImpl(field));
 401       fieldImpl.InputFilteredSignal().Connect(tracker, functor);
 402     }
 403   }
 404   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 405   {
 406     if(field)
 407     {
 408       Internal::TextField& fieldImpl(GetImpl(field));
 409       fieldImpl.SelectionChangedSignal().Connect(tracker, functor);
 410     }
 411   }
 412   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 413   {
 414     if(field)
 415     {
 416       Internal::TextField& fieldImpl(GetImpl(field));
 417       fieldImpl.SelectionClearedSignal().Connect(tracker, functor);
 418     }
 419   }
 420   else
 421   {
 422     // signalName does not match any signal
 423     connected = false;
 424   }
 425
 426   return connected;
 427 }
 428
 429 Toolkit::TextField::TextChangedSignalType& TextField::TextChangedSignal()
 430 {
 431   return mTextChangedSignal;
 432 }
 433
 434 Toolkit::TextField::MaxLengthReachedSignalType& TextField::MaxLengthReachedSignal()
 435 {
 436   return mMaxLengthReachedSignal;
 437 }
 438
 439 Toolkit::TextField::InputStyleChangedSignalType& TextField::InputStyleChangedSignal()
 440 {
 441   return mInputStyleChangedSignal;
 442 }
 443
 444 DevelTextField::AnchorClickedSignalType& TextField::AnchorClickedSignal()
 445 {
 446   return mAnchorClickedSignal;
 447 }
 448
 449 DevelTextField::CursorPositionChangedSignalType& TextField::CursorPositionChangedSignal()
 450 {
 451   return mCursorPositionChangedSignal;
 452 }
 453
 454 DevelTextField::InputFilteredSignalType& TextField::InputFilteredSignal()
 455 {
 456   return mInputFilteredSignal;
 457 }
 458
 459 DevelTextField::SelectionChangedSignalType& TextField::SelectionChangedSignal()
 460 {
 461   return mSelectionChangedSignal;
 462 }
 463
 464 DevelTextField::SelectionClearedSignalType& TextField::SelectionClearedSignal()
 465 {
 466   return mSelectionClearedSignal;
 467 }
 468
 469 void TextField::OnAccessibilityStatusChanged()
 470 {
 471   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 472 }
 473
 474 void TextField::OnInitialize()
 475 {
 476   Actor self = Self();
 477
 478   mController = Text::Controller::New(this, this, this, this);
 479
 480   // When using the vector-based rendering, the size of the GLyphs are different
 481   TextAbstraction::GlyphType glyphType = (DevelText::RENDERING_VECTOR_BASED == mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
 482   mController->SetGlyphType(glyphType);
 483
 484   mDecorator = Text::Decorator::New(*mController,
 485                                     *mController);
 486
 487   mInputMethodContext = InputMethodContext::New(self);
 488
 489   mController->GetLayoutEngine().SetLayout(Layout::Engine::SINGLE_LINE_BOX);
 490
 491   // Enables the text input.
 492   mController->EnableTextInput(mDecorator, mInputMethodContext);
 493
 494   // Enables the horizontal scrolling after the text input has been enabled.
 495   mController->SetHorizontalScrollEnabled(true);
 496
 497   // Disables the vertical scrolling.
 498   mController->SetVerticalScrollEnabled(false);
 499
 500   // Disable the smooth handle panning.
 501   mController->SetSmoothHandlePanEnabled(false);
 502
 503   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 504   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 505
 506   // Sets layoutDirection value
 507   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 508   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 509   mController->SetLayoutDirection(layoutDirection);
 510
 511   self.LayoutDirectionChangedSignal().Connect(this, &TextField::OnLayoutDirectionChanged);
 512
 513   // Forward input events to controller
 514   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 515   GetTapGestureDetector().SetMaximumTapsRequired(2);
 516   GetTapGestureDetector().ReceiveAllTapEvents(true);
 517
 518   self.TouchedSignal().Connect(this, &TextField::OnTouched);
 519
 520   // Set BoundingBox to stage size if not already set.
 521   Rect<int> boundingBox;
 522   mDecorator->GetBoundingBox(boundingBox);
 523
 524   if(boundingBox.IsEmpty())
 525   {
 526     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 527     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 528   }
 529
 530   // Flip vertically the 'left' selection handle
 531   mDecorator->FlipHandleVertically(LEFT_SELECTION_HANDLE, true);
 532
 533   // Fill-parent area by default
 534   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 535   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 536   self.OnSceneSignal().Connect(this, &TextField::OnSceneConnect);
 537
 538   //Enable highightability
 539   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 540
 541   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 542
 543   if(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy)
 544   {
 545     EnableClipping();
 546   }
 547
 548   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 549     return std::unique_ptr<Dali::Accessibility::Accessible>(
 550       new AccessibleImpl(actor, Dali::Accessibility::Role::ENTRY));
 551   });
 552
 553   Accessibility::Bridge::EnabledSignal().Connect(this, &TextField::OnAccessibilityStatusChanged);
 554   Accessibility::Bridge::DisabledSignal().Connect(this, &TextField::OnAccessibilityStatusChanged);
 555 }
 556
 557 void TextField::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 558 {
 559   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange\n");
 560
 561   switch(change)
 562   {
 563     case StyleChange::DEFAULT_FONT_CHANGE:
 564     {
 565       DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange DEFAULT_FONT_CHANGE\n");
 566       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 567       // Property system did not set the font so should update it.
 568       mController->UpdateAfterFontChange(newFont);
 569       RelayoutRequest();
 570       break;
 571     }
 572
 573     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 574     {
 575       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 576       RelayoutRequest();
 577       break;
 578     }
 579     case StyleChange::THEME_CHANGE:
 580     {
 581       // Nothing to do, let control base class handle this
 582       break;
 583     }
 584   }
 585
 586   // Up call to Control
 587   Control::OnStyleChange(styleManager, change);
 588 }
 589
 590 Vector3 TextField::GetNaturalSize()
 591 {
 592   Extents padding;
 593   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 594
 595   Vector3 naturalSize = mController->GetNaturalSize();
 596   naturalSize.width += (padding.start + padding.end);
 597   naturalSize.height += (padding.top + padding.bottom);
 598
 599   return naturalSize;
 600 }
 601
 602 float TextField::GetHeightForWidth(float width)
 603 {
 604   Extents padding;
 605   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 606   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 607 }
 608
 609 void TextField::ResizeActor(Actor& actor, const Vector2& size)
 610 {
 611   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 612   {
 613     actor.SetProperty(Actor::Property::SIZE, size);
 614   }
 615 }
 616
 617 void TextField::OnRelayout(const Vector2& size, RelayoutContainer& container)
 618 {
 619   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField OnRelayout\n");
 620
 621   Actor self = Self();
 622
 623   Extents padding;
 624   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 625
 626   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 627
 628   // Support Right-To-Left of padding
 629   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 630
 631   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 632   {
 633     std::swap(padding.start, padding.end);
 634   }
 635
 636   if(mStencil)
 637   {
 638     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 639     ResizeActor(mStencil, contentSize);
 640   }
 641   if(mActiveLayer)
 642   {
 643     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 644     ResizeActor(mActiveLayer, contentSize);
 645   }
 646
 647   // If there is text changed, callback is called.
 648   if(mTextChanged)
 649   {
 650     EmitTextChangedSignal();
 651   }
 652
 653   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 654
 655   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 656      !mRenderer)
 657   {
 658     DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnRelayout %p Displaying new contents\n", mController.Get());
 659
 660     if(mDecorator &&
 661        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 662     {
 663       mDecorator->Relayout(contentSize);
 664     }
 665
 666     if(!mRenderer)
 667     {
 668       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 669     }
 670
 671     RenderText(updateTextType);
 672   }
 673
 674   if(mCursorPositionChanged)
 675   {
 676     EmitCursorPositionChangedSignal();
 677   }
 678
 679   if(mSelectionChanged)
 680   {
 681     EmitSelectionChangedSignal();
 682   }
 683
 684   if(mSelectionCleared)
 685   {
 686     EmitSelectionClearedSignal();
 687   }
 688
 689   // The text-field emits signals when the input style changes. These changes of style are
 690   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 691   // can't be emitted during the size negotiation as the callbacks may update the UI.
 692   // The text-field adds an idle callback to the adaptor to emit the signals after the size negotiation.
 693   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 694   {
 695     if(Adaptor::IsAvailable())
 696     {
 697       Adaptor& adaptor = Adaptor::Get();
 698
 699       if(NULL == mIdleCallback)
 700       {
 701         // @note: The callback manager takes the ownership of the callback object.
 702         mIdleCallback = MakeCallback(this, &TextField::OnIdleSignal);
 703         adaptor.AddIdle(mIdleCallback, false);
 704       }
 705     }
 706   }
 707 }
 708
 709 Text::ControllerPtr TextField::GetTextController()
 710 {
 711   return mController;
 712 }
 713
 714 void TextField::RenderText(Text::Controller::UpdateTextType updateTextType)
 715 {
 716   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 717 }
 718
 719 void TextField::OnKeyInputFocusGained()
 720 {
 721   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyInputFocusGained %p\n", mController.Get());
 722   if(mInputMethodContext && IsEditable())
 723   {
 724     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 725     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 726     mInputMethodContext.NotifyTextInputMultiLine(false);
 727
 728     mInputMethodContext.StatusChangedSignal().Connect(this, &TextField::KeyboardStatusChanged);
 729
 730     mInputMethodContext.EventReceivedSignal().Connect(this, &TextField::OnInputMethodContextEvent);
 731
 732     // Notify that the text editing start.
 733     mInputMethodContext.Activate();
 734
 735     // When window gain lost focus, the inputMethodContext is deactivated. Thus when window gain focus again, the inputMethodContext must be activated.
 736     mInputMethodContext.SetRestoreAfterFocusLost(true);
 737   }
 738   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 739
 740   if(notifier)
 741   {
 742     notifier.ContentSelectedSignal().Connect(this, &TextField::OnClipboardTextSelected);
 743   }
 744
 745   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 746
 747   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 748 }
 749
 750 void TextField::OnKeyInputFocusLost()
 751 {
 752   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField:OnKeyInputFocusLost %p\n", mController.Get());
 753   if(mInputMethodContext)
 754   {
 755     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextField::KeyboardStatusChanged);
 756     // The text editing is finished. Therefore the inputMethodContext don't have restore activation.
 757     mInputMethodContext.SetRestoreAfterFocusLost(false);
 758
 759     // Notify that the text editing finish.
 760     mInputMethodContext.Deactivate();
 761
 762     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextField::OnInputMethodContextEvent);
 763   }
 764   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 765
 766   if(notifier)
 767   {
 768     notifier.ContentSelectedSignal().Disconnect(this, &TextField::OnClipboardTextSelected);
 769   }
 770
 771   mController->KeyboardFocusLostEvent();
 772
 773   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 774 }
 775
 776 bool TextField::OnAccessibilityActivated()
 777 {
 778   SetKeyInputFocus();
 779   return true;
 780 }
 781
 782 void TextField::OnTap(const TapGesture& gesture)
 783 {
 784   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnTap %p\n", mController.Get());
 785   if(mInputMethodContext && IsEditable())
 786   {
 787     mInputMethodContext.Activate();
 788   }
 789   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 790   Extents padding;
 791   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 792   const Vector2& localPoint = gesture.GetLocalPoint();
 793   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 794   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 795
 796   SetKeyInputFocus();
 797 }
 798
 799 void TextField::OnPan(const PanGesture& gesture)
 800 {
 801   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 802 }
 803
 804 void TextField::OnLongPress(const LongPressGesture& gesture)
 805 {
 806   if(mInputMethodContext && IsEditable())
 807   {
 808     mInputMethodContext.Activate();
 809   }
 810   Extents padding;
 811   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 812   const Vector2& localPoint = gesture.GetLocalPoint();
 813   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 814
 815   SetKeyInputFocus();
 816 }
 817
 818 bool TextField::OnKeyEvent(const KeyEvent& event)
 819 {
 820   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 821
 822   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 823   {
 824     // Make sure ClearKeyInputFocus when only key is up
 825     if(event.GetState() == KeyEvent::UP)
 826     {
 827       ClearKeyInputFocus();
 828     }
 829
 830     return true;
 831   }
 832   else if(Dali::DevelKey::DALI_KEY_RETURN == event.GetKeyCode())
 833   {
 834     // Do nothing when enter is comming.
 835     return false;
 836   }
 837
 838   return mController->KeyEvent(event);
 839 }
 840
 841 void TextField::RequestTextRelayout()
 842 {
 843   RelayoutRequest();
 844 }
 845
 846 bool TextField::IsEditable() const
 847 {
 848   return mController->IsEditable();
 849 }
 850
 851 void TextField::SetEditable(bool editable)
 852 {
 853   mController->SetEditable(editable);
 854   if(mInputMethodContext && !editable)
 855   {
 856     mInputMethodContext.Deactivate();
 857   }
 858 }
 859
 860 void TextField::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 861 {
 862   if(Accessibility::IsUp())
 863   {
 864     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 865   }
 866 }
 867
 868 void TextField::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 869 {
 870   if(Accessibility::IsUp())
 871   {
 872     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 873   }
 874 }
 875
 876 void TextField::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 877 {
 878   if(Accessibility::IsUp())
 879   {
 880     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 881   }
 882
 883   if((oldPosition != newPosition) && !mCursorPositionChanged)
 884   {
 885     mCursorPositionChanged = true;
 886     mOldPosition           = oldPosition;
 887   }
 888 }
 889
 890 void TextField::TextChanged(bool immediate)
 891 {
 892   if(immediate) // Emits TextChangedSignal immediately
 893   {
 894     EmitTextChangedSignal();
 895   }
 896   else
 897   {
 898     mTextChanged = true;
 899   }
 900 }
 901
 902 void TextField::EmitTextChangedSignal()
 903 {
 904   Dali::Toolkit::TextField handle(GetOwner());
 905   mTextChangedSignal.Emit(handle);
 906   mTextChanged = false;
 907 }
 908
 909 void TextField::MaxLengthReached()
 910 {
 911   Dali::Toolkit::TextField handle(GetOwner());
 912   mMaxLengthReachedSignal.Emit(handle);
 913 }
 914
 915 void TextField::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 916 {
 917   Dali::Toolkit::TextField handle(GetOwner());
 918   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 919 }
 920
 921 void TextField::AnchorClicked(const std::string& href)
 922 {
 923   Dali::Toolkit::TextField handle(GetOwner());
 924   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 925 }
 926
 927 void TextField::EmitCursorPositionChangedSignal()
 928 {
 929   Dali::Toolkit::TextField handle(GetOwner());
 930   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 931   mCursorPositionChanged = false;
 932 }
 933
 934 void TextField::InputFiltered(Toolkit::InputFilter::Property::Type type)
 935 {
 936   Dali::Toolkit::TextField handle(GetOwner());
 937   mInputFilteredSignal.Emit(handle, type);
 938 }
 939
 940 void TextField::EmitSelectionChangedSignal()
 941 {
 942   Dali::Toolkit::TextField handle(GetOwner());
 943   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 944   mSelectionChanged = false;
 945 }
 946
 947 void TextField::EmitSelectionClearedSignal()
 948 {
 949   Dali::Toolkit::TextField handle(GetOwner());
 950   mSelectionClearedSignal.Emit(handle);
 951   mSelectionCleared = false;
 952 }
 953
 954 void TextField::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
 955 {
 956   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
 957   {
 958     if(newStart == newEnd)
 959     {
 960       mSelectionCleared = true;
 961     }
 962
 963     mSelectionChanged  = true;
 964     mOldSelectionStart = oldStart;
 965     mOldSelectionEnd   = oldEnd;
 966
 967     if(mOldSelectionStart > mOldSelectionEnd)
 968     {
 969       //swap
 970       uint32_t temp      = mOldSelectionStart;
 971       mOldSelectionStart = mOldSelectionEnd;
 972       mOldSelectionEnd   = temp;
 973     }
 974   }
 975 }
 976
 977 void TextField::AddDecoration(Actor& actor, bool needsClipping)
 978 {
 979   if(actor)
 980   {
 981     if(needsClipping)
 982     {
 983       mClippingDecorationActors.push_back(actor);
 984     }
 985     else
 986     {
 987       actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 988       actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 989       Self().Add(actor);
 990       mActiveLayer = actor;
 991     }
 992   }
 993 }
 994
 995 void TextField::GetControlBackgroundColor(Vector4& color) const
 996 {
 997   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
 998   Property::Map*  resultMap = propValue.GetMap();
 999
1000   Property::Value* colorValue = nullptr;
1001   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1002   {
1003     colorValue->Get(color);
1004   }
1005 }
1006
1007 void TextField::OnSceneConnect(Dali::Actor actor)
1008 {
1009   if(mHasBeenStaged)
1010   {
1011     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1012   }
1013   else
1014   {
1015     mHasBeenStaged = true;
1016   }
1017 }
1018
1019 InputMethodContext::CallbackData TextField::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1020 {
1021   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1022   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1023 }
1024
1025 void TextField::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1026 {
1027   if(mDecorator)
1028   {
1029     Property::Map map;
1030     map[PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1031
1032     value = map;
1033   }
1034 }
1035
1036 void TextField::EnableClipping()
1037 {
1038   if(!mStencil)
1039   {
1040     // Creates an extra control to be used as stencil buffer.
1041     mStencil = Control::New();
1042     mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1043     mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1044
1045     // Creates a background visual. Even if the color is transparent it updates the stencil.
1046     mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
1047                          Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
1048
1049     // Enable the clipping property.
1050     mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
1051     mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
1052
1053     Self().Add(mStencil);
1054   }
1055 }
1056
1057 void TextField::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1058 {
1059   mController->PasteClipboardItemEvent();
1060 }
1061
1062 void TextField::KeyboardStatusChanged(bool keyboardShown)
1063 {
1064   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1065
1066   // Just hide the grab handle when keyboard is hidden.
1067   if(!keyboardShown)
1068   {
1069     mController->KeyboardFocusLostEvent();
1070   }
1071   else
1072   {
1073     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1074   }
1075 }
1076
1077 void TextField::OnSceneConnection(int depth)
1078 {
1079   // Sets the depth to the visuals inside the text's decorator.
1080   mDecorator->SetTextDepth(depth);
1081
1082   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1083
1084   // Call the Control::OnSceneConnection() to set the depth of the background.
1085   Control::OnSceneConnection(depth);
1086 }
1087
1088 bool TextField::OnTouched(Actor actor, const TouchEvent& touch)
1089 {
1090   return false;
1091 }
1092
1093 void TextField::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1094 {
1095   mController->ChangedLayoutDirection();
1096 }
1097
1098 void TextField::OnIdleSignal()
1099 {
1100   // Emits the change of input style signals.
1101   mController->ProcessInputStyleChangedSignals();
1102
1103   // Set the pointer to null as the callback manager deletes the callback after execute it.
1104   mIdleCallback = NULL;
1105 }
1106
1107 TextField::TextField()
1108 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1109   mIdleCallback(NULL),
1110   mAlignmentOffset(0.f),
1111   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1112   mExceedPolicy(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP),
1113   mHasBeenStaged(false),
1114   mTextChanged(false),
1115   mCursorPositionChanged(false),
1116   mSelectionChanged(false),
1117   mSelectionCleared(false),
1118   mOldPosition(0u),
1119   mOldSelectionStart(0u),
1120   mOldSelectionEnd(0u)
1121 {
1122 }
1123
1124 TextField::~TextField()
1125 {
1126   UnparentAndReset(mStencil);
1127
1128   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1129   {
1130     Adaptor::Get().RemoveIdle(mIdleCallback);
1131   }
1132 }
1133
1134 Vector<Vector2> TextField::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
1135 {
1136   return mController->GetTextSize(startIndex, endIndex);
1137 }
1138
1139 Vector<Vector2> TextField::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
1140 {
1141   return mController->GetTextPosition(startIndex, endIndex);
1142 }
1143
1144 std::string TextField::AccessibleImpl::GetName() const
1145 {
1146   auto self = Toolkit::TextField::DownCast(Self());
1147   if(IsHiddenInput(self))
1148   {
1149     return {};
1150   }
1151
1152   return self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1153 }
1154
1155 std::string TextField::AccessibleImpl::GetText(size_t startOffset, size_t endOffset) const
1156 {
1157   if(endOffset <= startOffset)
1158   {
1159     return {};
1160   }
1161
1162   auto self = Toolkit::TextField::DownCast(Self());
1163   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1164
1165   if(startOffset > text.size() || endOffset > text.size())
1166   {
1167     return {};
1168   }
1169   if(IsHiddenInput(self))
1170   {
1171     return std::string(endOffset - startOffset, GetSubstituteCharacter(self));
1172   }
1173   return text.substr(startOffset, endOffset - startOffset);
1174 }
1175
1176 size_t TextField::AccessibleImpl::GetCharacterCount() const
1177 {
1178   auto self = Toolkit::TextField::DownCast(Self());
1179   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1180
1181   return text.size();
1182 }
1183
1184 size_t TextField::AccessibleImpl::GetCursorOffset() const
1185 {
1186   auto self = Toolkit::TextField::DownCast(Self());
1187   return Dali::Toolkit::GetImpl(self).GetTextController()->GetCursorPosition();
1188 }
1189
1190 bool TextField::AccessibleImpl::SetCursorOffset(size_t offset)
1191 {
1192   auto self = Toolkit::TextField::DownCast(Self());
1193   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1194   if(offset > text.size())
1195   {
1196     return false;
1197   }
1198
1199   auto& selfImpl = Dali::Toolkit::GetImpl(self);
1200   selfImpl.GetTextController()->ResetCursorPosition(offset);
1201   selfImpl.RequestTextRelayout();
1202
1203   return true;
1204 }
1205
1206 Dali::Accessibility::Range TextField::AccessibleImpl::GetTextAtOffset(
1207   size_t offset, Dali::Accessibility::TextBoundary boundary) const
1208 {
1209   auto self  = Toolkit::TextField::DownCast(Self());
1210   auto range = Dali::Accessibility::Range{};
1211
1212   if(IsHiddenInput(self))
1213   {
1214     // Returning empty object, as there is no possibility to parse the textfield
1215     // when its content is hidden.
1216     return range;
1217   }
1218
1219   auto text     = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1220   auto textSize = text.size();
1221
1222   switch(boundary)
1223   {
1224     case Dali::Accessibility::TextBoundary::CHARACTER:
1225     {
1226       if(offset < textSize)
1227       {
1228         range.content     = text[offset];
1229         range.startOffset = offset;
1230         range.endOffset   = offset + 1;
1231       }
1232       break;
1233     }
1234     case Dali::Accessibility::TextBoundary::WORD:
1235     case Dali::Accessibility::TextBoundary::LINE:
1236     {
1237       auto textString = text.c_str();
1238       auto breaks     = std::vector<char>(textSize, 0);
1239
1240       if(boundary == Dali::Accessibility::TextBoundary::WORD)
1241       {
1242         Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1243       }
1244       else
1245       {
1246         Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1247       }
1248
1249       auto index   = 0u;
1250       auto counter = 0u;
1251       while(index < textSize && counter <= offset)
1252       {
1253         auto start = index;
1254         if(breaks[index])
1255         {
1256           while(breaks[index])
1257           {
1258             index++;
1259           }
1260           counter++;
1261         }
1262         else
1263         {
1264           if(boundary == Dali::Accessibility::TextBoundary::WORD)
1265           {
1266             index++;
1267           }
1268           if(boundary == Dali::Accessibility::TextBoundary::LINE)
1269           {
1270             counter++;
1271           }
1272         }
1273
1274         if((counter > 0) && ((counter - 1) == offset))
1275         {
1276           range.content     = text.substr(start, index - start + 1);
1277           range.startOffset = start;
1278           range.endOffset   = index + 1;
1279         }
1280
1281         if(boundary == Dali::Accessibility::TextBoundary::LINE)
1282         {
1283           index++;
1284         }
1285       }
1286       break;
1287     }
1288     case Dali::Accessibility::TextBoundary::SENTENCE:
1289     {
1290       /* not supported by default */
1291       break;
1292     }
1293     case Dali::Accessibility::TextBoundary::PARAGRAPH:
1294     {
1295       /* Paragraph is not supported by libunibreak library */
1296       break;
1297     }
1298     default:
1299       break;
1300   }
1301
1302   return range;
1303 }
1304
1305 Dali::Accessibility::Range TextField::AccessibleImpl::GetRangeOfSelection(size_t selectionIndex) const
1306 {
1307   // Since DALi supports only one selection indexes higher than 0 are ignored
1308   if(selectionIndex > 0)
1309   {
1310     return {};
1311   }
1312
1313   auto self       = Toolkit::TextField::DownCast(Self());
1314   auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1315   auto indices    = controller->GetSelectionIndexes();
1316
1317   auto startOffset = static_cast<size_t>(indices.first);
1318   auto endOffset   = static_cast<size_t>(indices.second);
1319
1320   if(IsHiddenInput(self))
1321   {
1322     return {startOffset, endOffset, std::string(endOffset - startOffset, GetSubstituteCharacter(self))};
1323   }
1324
1325   std::string value{};
1326   controller->RetrieveSelection(value);
1327   return {startOffset, endOffset, value};
1328 }
1329
1330 bool TextField::AccessibleImpl::RemoveSelection(size_t selectionIndex)
1331 {
1332   // Since DALi supports only one selection indexes higher than 0 are ignored
1333   if(selectionIndex > 0)
1334   {
1335     return false;
1336   }
1337
1338   auto self = Toolkit::TextField::DownCast(Self());
1339   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1340   return true;
1341 }
1342
1343 bool TextField::AccessibleImpl::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1344 {
1345   // Since DALi supports only one selection indexes higher than 0 are ignored
1346   if(selectionIndex > 0)
1347   {
1348     return false;
1349   }
1350
1351   auto self = Toolkit::TextField::DownCast(Self());
1352   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1353   return true;
1354 }
1355
1356 bool TextField::AccessibleImpl::CopyText(size_t startPosition, size_t endPosition)
1357 {
1358   if(endPosition <= startPosition)
1359   {
1360     return false;
1361   }
1362
1363   auto self = Toolkit::TextField::DownCast(Self());
1364   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1365   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1366
1367   return true;
1368 }
1369
1370 bool TextField::AccessibleImpl::CutText(size_t startPosition, size_t endPosition)
1371 {
1372   if(endPosition <= startPosition)
1373   {
1374     return false;
1375   }
1376
1377   auto self = Toolkit::TextField::DownCast(Self());
1378   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1379   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1380
1381   self.SetProperty(Toolkit::TextField::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1382
1383   return true;
1384 }
1385
1386 bool TextField::AccessibleImpl::DeleteText(size_t startPosition, size_t endPosition)
1387 {
1388   if(endPosition <= startPosition)
1389   {
1390     return false;
1391   }
1392
1393   auto self = Toolkit::TextField::DownCast(Self());
1394   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1395
1396   self.SetProperty(Toolkit::TextField::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1397
1398   return true;
1399 }
1400
1401 Dali::Accessibility::States TextField::AccessibleImpl::CalculateStates()
1402 {
1403   using namespace Dali::Accessibility;
1404
1405   auto states = DevelControl::ControlAccessible::CalculateStates();
1406
1407   states[State::EDITABLE]  = true;
1408   states[State::FOCUSABLE] = true;
1409
1410   Toolkit::Control focusControl = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
1411   if(Self() == focusControl)
1412   {
1413     states[State::FOCUSED] = true;
1414   }
1415
1416   return states;
1417 }
1418
1419 bool TextField::AccessibleImpl::InsertText(size_t startPosition, std::string text)
1420 {
1421   auto self         = Toolkit::TextField::DownCast(Self());
1422   auto insertedText = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1423
1424   insertedText.insert(startPosition, text);
1425
1426   self.SetProperty(Toolkit::TextField::Property::TEXT, std::move(insertedText));
1427
1428   return true;
1429 }
1430
1431 bool TextField::AccessibleImpl::SetTextContents(std::string newContents)
1432 {
1433   auto self = Toolkit::TextField::DownCast(Self());
1434   self.SetProperty(Toolkit::TextField::Property::TEXT, std::move(newContents));
1435   return true;
1436 }
1437
1438 int32_t TextField::AccessibleImpl::GetLinkCount() const
1439 {
1440   auto self = Toolkit::TextField::DownCast(Self());
1441   return Dali::Toolkit::GetImpl(self).mAnchorActors.size();
1442 }
1443
1444 Accessibility::Hyperlink* TextField::AccessibleImpl::GetLink(int32_t linkIndex) const
1445 {
1446   if(linkIndex < 0 || linkIndex >= GetLinkCount())
1447   {
1448     return nullptr;
1449   }
1450   auto self        = Toolkit::TextField::DownCast(Self());
1451   auto anchorActor = Dali::Toolkit::GetImpl(self).mAnchorActors[linkIndex];
1452   return dynamic_cast<Accessibility::Hyperlink*>(Dali::Accessibility::Accessible::Get(anchorActor));
1453 }
1454
1455 int32_t TextField::AccessibleImpl::GetLinkIndex(int32_t characterOffset) const
1456 {
1457   auto self       = Toolkit::TextField::DownCast(Self());
1458   auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1459   return controller->GetAnchorIndex(static_cast<size_t>(characterOffset));
1460 }
1461
1462 } // namespace Internal
1463
1464 } // namespace Toolkit
1465
1466 } // namespace Dali