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/text/rendering-backend.h>
  37 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  38 #include <dali-toolkit/internal/controls/text-controls/text-field-property-handler.h>
  39 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  40 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  41 #include <dali-toolkit/internal/text/text-effects-style.h>
  42 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  43 #include <dali-toolkit/internal/text/text-font-style.h>
  44 #include <dali-toolkit/internal/text/text-view.h>
  45 #include <dali-toolkit/public-api/text/text-enumerations.h>
  46 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  47 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  48 #include <dali/integration-api/adaptor-framework/adaptor.h>
  49
  50 using namespace Dali::Toolkit::Text;
  51
  52 #if defined(DEBUG_ENABLED)
  53 Debug::Filter* gTextFieldLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  54 #endif
  55
  56 namespace Dali
  57 {
  58 namespace Toolkit
  59 {
  60 namespace Internal
  61 {
  62 namespace // unnamed namespace
  63 {
  64 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  65 } // unnamed namespace
  66
  67 namespace
  68 {
  69 // Type registration
  70 BaseHandle Create()
  71 {
  72   return Toolkit::TextField::New();
  73 }
  74
  75 // clang-format off
  76 // Setup properties, signals and actions using the type-registry.
  77 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::TextField, Toolkit::Control, Create );
  78
  79 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "text",                             STRING,    TEXT                                )
  80 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholderText",                  STRING,    PLACEHOLDER_TEXT                    )
  81 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholderTextFocused",           STRING,    PLACEHOLDER_TEXT_FOCUSED            )
  82 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "fontFamily",                       STRING,    FONT_FAMILY                         )
  83 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "fontStyle",                        MAP,       FONT_STYLE                          )
  84 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "pointSize",                        FLOAT,     POINT_SIZE                          )
  85 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "maxLength",                        INTEGER,   MAX_LENGTH                          )
  86 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "exceedPolicy",                     INTEGER,   EXCEED_POLICY                       )
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "horizontalAlignment",              STRING,    HORIZONTAL_ALIGNMENT                )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "verticalAlignment",                STRING,    VERTICAL_ALIGNMENT                  )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "textColor",                        VECTOR4,   TEXT_COLOR                          )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholderTextColor",             VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "primaryCursorColor",               VECTOR4,   PRIMARY_CURSOR_COLOR                )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "secondaryCursorColor",             VECTOR4,   SECONDARY_CURSOR_COLOR              )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "enableCursorBlink",                BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "cursorBlinkInterval",              FLOAT,     CURSOR_BLINK_INTERVAL               )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "cursorBlinkDuration",              FLOAT,     CURSOR_BLINK_DURATION               )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "cursorWidth",                      INTEGER,   CURSOR_WIDTH                        )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "grabHandleImage",                  STRING,    GRAB_HANDLE_IMAGE                   )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "grabHandlePressedImage",           STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "scrollThreshold",                  FLOAT,     SCROLL_THRESHOLD                    )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "scrollSpeed",                      FLOAT,     SCROLL_SPEED                        )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleImageLeft",         MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleImageRight",        MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandlePressedImageLeft",  MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandlePressedImageRight", MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleMarkerImageLeft",   MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleMarkerImageRight",  MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHighlightColor",          VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "decorationBoundingBox",            RECTANGLE, DECORATION_BOUNDING_BOX             )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputMethodSettings",              MAP,       INPUT_METHOD_SETTINGS               )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputColor",                       VECTOR4,   INPUT_COLOR                         )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "enableMarkup",                     BOOLEAN,   ENABLE_MARKUP                       )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputFontFamily",                  STRING,    INPUT_FONT_FAMILY                   )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputFontStyle",                   MAP,       INPUT_FONT_STYLE                    )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputPointSize",                   FLOAT,     INPUT_POINT_SIZE                    )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "underline",                        MAP,       UNDERLINE                           )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputUnderline",                   MAP,       INPUT_UNDERLINE                     )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "shadow",                           MAP,       SHADOW                              )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputShadow",                      MAP,       INPUT_SHADOW                        )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "emboss",                           MAP,       EMBOSS                              )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputEmboss",                      MAP,       INPUT_EMBOSS                        )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "outline",                          MAP,       OUTLINE                             )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputOutline",                     MAP,       INPUT_OUTLINE                       )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "hiddenInputSettings",              MAP,       HIDDEN_INPUT_SETTINGS               )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "pixelSize",                        FLOAT,     PIXEL_SIZE                          )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "enableSelection",                  BOOLEAN,   ENABLE_SELECTION                    )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholder",                      MAP,       PLACEHOLDER                         )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "ellipsis",                         BOOLEAN,   ELLIPSIS                            )
 128 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableShiftSelection",             BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 129 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableGrabHandle",                 BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 130 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "matchSystemLanguageDirection",     BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 131 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableGrabHandlePopup",            BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 132 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "textBackground",                   VECTOR4,   BACKGROUND                          )
 133 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextField, "selectedText",                     STRING,    SELECTED_TEXT                       )
 134 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "renderingBackend",                 INTEGER,   RENDERING_BACKEND                   )
 135 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "selectedTextStart",                INTEGER,   SELECTED_TEXT_START                 )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "selectedTextEnd",                  INTEGER,   SELECTED_TEXT_END                   )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableEditing",                    BOOLEAN,   ENABLE_EDITING                      )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "fontSizeScale",                    FLOAT,     FONT_SIZE_SCALE                     )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableFontSizeScale",              BOOLEAN,   ENABLE_FONT_SIZE_SCALE              )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "primaryCursorPosition",            INTEGER,   PRIMARY_CURSOR_POSITION             )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "grabHandleColor",                  VECTOR4,   GRAB_HANDLE_COLOR                   )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "inputFilter",                      MAP,       INPUT_FILTER                        )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "ellipsisPosition",                 INTEGER,   ELLIPSIS_POSITION                   )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "strikethrough",                    MAP,       STRIKETHROUGH                       )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "inputStrikethrough",               MAP,       INPUT_STRIKETHROUGH                 )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "characterSpacing",                 FLOAT,     CHARACTER_SPACING                   )
 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 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionStarted",      SIGNAL_SELECTION_STARTED      )
 157
 158 DALI_TYPE_REGISTRATION_END()
 159 // clang-format on
 160
 161 Toolkit::TextField::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 162 {
 163   Toolkit::TextField::InputStyle::Mask fieldInputStyleMask = Toolkit::TextField::InputStyle::NONE;
 164
 165   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 166   {
 167     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::COLOR);
 168   }
 169   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 170   {
 171     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_FAMILY);
 172   }
 173   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 174   {
 175     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::POINT_SIZE);
 176   }
 177   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 178   {
 179     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 180   }
 181   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 182   {
 183     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 184   }
 185   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 186   {
 187     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 188   }
 189   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 190   {
 191     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::UNDERLINE);
 192   }
 193   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 194   {
 195     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::SHADOW);
 196   }
 197   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 198   {
 199     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::EMBOSS);
 200   }
 201   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 202   {
 203     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::OUTLINE);
 204   }
 205   return fieldInputStyleMask;
 206 }
 207
 208 } // namespace
 209
 210 Toolkit::TextField TextField::New()
 211 {
 212   // Create the implementation, temporarily owned by this handle on stack
 213   IntrusivePtr<TextField> impl = new TextField();
 214
 215   // Pass ownership to CustomActor handle
 216   Toolkit::TextField handle(*impl);
 217
 218   // Second-phase init of the implementation
 219   // This can only be done after the CustomActor connection has been made...
 220   impl->Initialize();
 221
 222   return handle;
 223 }
 224
 225 void TextField::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 226 {
 227   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 228
 229   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField SetProperty\n");
 230
 231   if(textField)
 232   {
 233     PropertyHandler::SetProperty(textField, index, value);
 234   }
 235 }
 236
 237 Property::Value TextField::GetProperty(BaseObject* object, Property::Index index)
 238 {
 239   Property::Value value;
 240
 241   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 242
 243   if(textField)
 244   {
 245     value = PropertyHandler::GetProperty(textField, index);
 246   }
 247
 248   return value;
 249 }
 250
 251 void TextField::SelectWholeText()
 252 {
 253   if(mController && mController->IsShowingRealText())
 254   {
 255     mController->SelectWholeText();
 256     SetKeyInputFocus();
 257   }
 258 }
 259
 260 void TextField::SelectNone()
 261 {
 262   if(mController && mController->IsShowingRealText())
 263   {
 264     mController->SelectNone();
 265   }
 266 }
 267
 268 void TextField::SelectText(const uint32_t start, const uint32_t end)
 269 {
 270   if(mController && mController->IsShowingRealText())
 271   {
 272     mController->SelectText(start, end);
 273     SetKeyInputFocus();
 274   }
 275 }
 276
 277 string TextField::GetSelectedText() const
 278 {
 279   string selectedText = "";
 280   if(mController && mController->IsShowingRealText())
 281   {
 282     selectedText = mController->GetSelectedText();
 283   }
 284   return selectedText;
 285 }
 286
 287 void TextField::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
 288 {
 289   if(mController && mController->IsShowingRealText())
 290   {
 291     mController->SetTextSelectionRange(start, end);
 292     SetKeyInputFocus();
 293   }
 294 }
 295
 296 Uint32Pair TextField::GetTextSelectionRange() const
 297 {
 298   Uint32Pair range;
 299   if(mController && mController->IsShowingRealText())
 300   {
 301     range = mController->GetTextSelectionRange();
 302   }
 303   return range;
 304 }
 305
 306 string TextField::CopyText()
 307 {
 308   string copiedText = "";
 309   if(mController && mController->IsShowingRealText())
 310   {
 311     copiedText = mController->CopyText();
 312   }
 313   return copiedText;
 314 }
 315
 316 string TextField::CutText()
 317 {
 318   string cutText = "";
 319   if(mController && mController->IsShowingRealText())
 320   {
 321     cutText = mController->CutText();
 322   }
 323   return cutText;
 324 }
 325
 326 void TextField::PasteText()
 327 {
 328   if(mController)
 329   {
 330     SetKeyInputFocus(); //Giving focus to the field that was passed to the PasteText in case the passed field (current field) doesn't have focus.
 331     mController->PasteText();
 332   }
 333 }
 334
 335 InputMethodContext TextField::GetInputMethodContext()
 336 {
 337   return mInputMethodContext;
 338 }
 339
 340 bool TextField::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 341 {
 342   Dali::BaseHandle handle(object);
 343
 344   bool               connected(true);
 345   Toolkit::TextField field = Toolkit::TextField::DownCast(handle);
 346
 347   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 348   {
 349     field.TextChangedSignal().Connect(tracker, functor);
 350   }
 351   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 352   {
 353     field.MaxLengthReachedSignal().Connect(tracker, functor);
 354   }
 355   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 356   {
 357     field.InputStyleChangedSignal().Connect(tracker, functor);
 358   }
 359   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 360   {
 361     if(field)
 362     {
 363       Internal::TextField& fieldImpl(GetImpl(field));
 364       fieldImpl.AnchorClickedSignal().Connect(tracker, functor);
 365     }
 366   }
 367   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 368   {
 369     if(field)
 370     {
 371       Internal::TextField& fieldImpl(GetImpl(field));
 372       fieldImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 373     }
 374   }
 375   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 376   {
 377     if(field)
 378     {
 379       Internal::TextField& fieldImpl(GetImpl(field));
 380       fieldImpl.InputFilteredSignal().Connect(tracker, functor);
 381     }
 382   }
 383   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 384   {
 385     if(field)
 386     {
 387       Internal::TextField& fieldImpl(GetImpl(field));
 388       fieldImpl.SelectionChangedSignal().Connect(tracker, functor);
 389     }
 390   }
 391   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 392   {
 393     if(field)
 394     {
 395       Internal::TextField& fieldImpl(GetImpl(field));
 396       fieldImpl.SelectionClearedSignal().Connect(tracker, functor);
 397     }
 398   }
 399   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_STARTED))
 400   {
 401     if(field)
 402     {
 403       Internal::TextField& fieldImpl(GetImpl(field));
 404       fieldImpl.SelectionStartedSignal().Connect(tracker, functor);
 405     }
 406   }
 407   else
 408   {
 409     // signalName does not match any signal
 410     connected = false;
 411   }
 412
 413   return connected;
 414 }
 415
 416 Toolkit::TextField::TextChangedSignalType& TextField::TextChangedSignal()
 417 {
 418   return mTextChangedSignal;
 419 }
 420
 421 Toolkit::TextField::MaxLengthReachedSignalType& TextField::MaxLengthReachedSignal()
 422 {
 423   return mMaxLengthReachedSignal;
 424 }
 425
 426 Toolkit::TextField::InputStyleChangedSignalType& TextField::InputStyleChangedSignal()
 427 {
 428   return mInputStyleChangedSignal;
 429 }
 430
 431 DevelTextField::AnchorClickedSignalType& TextField::AnchorClickedSignal()
 432 {
 433   return mAnchorClickedSignal;
 434 }
 435
 436 DevelTextField::CursorPositionChangedSignalType& TextField::CursorPositionChangedSignal()
 437 {
 438   return mCursorPositionChangedSignal;
 439 }
 440
 441 DevelTextField::InputFilteredSignalType& TextField::InputFilteredSignal()
 442 {
 443   return mInputFilteredSignal;
 444 }
 445
 446 DevelTextField::SelectionChangedSignalType& TextField::SelectionChangedSignal()
 447 {
 448   return mSelectionChangedSignal;
 449 }
 450
 451 DevelTextField::SelectionClearedSignalType& TextField::SelectionClearedSignal()
 452 {
 453   return mSelectionClearedSignal;
 454 }
 455
 456 DevelTextField::SelectionStartedSignalType& TextField::SelectionStartedSignal()
 457 {
 458   return mSelectionStartedSignal;
 459 }
 460
 461 void TextField::OnAccessibilityStatusChanged()
 462 {
 463   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 464 }
 465
 466 void TextField::OnInitialize()
 467 {
 468   Actor self = Self();
 469
 470   mController = Text::Controller::New(this, this, this, this);
 471
 472   // When using the vector-based rendering, the size of the GLyphs are different
 473   TextAbstraction::GlyphType glyphType = (DevelText::RENDERING_VECTOR_BASED == mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
 474   mController->SetGlyphType(glyphType);
 475
 476   mDecorator = Text::Decorator::New(*mController,
 477                                     *mController);
 478
 479   mInputMethodContext = InputMethodContext::New(self);
 480
 481   mController->GetLayoutEngine().SetLayout(Layout::Engine::SINGLE_LINE_BOX);
 482
 483   // Enables the text input.
 484   mController->EnableTextInput(mDecorator, mInputMethodContext);
 485
 486   // Enables the horizontal scrolling after the text input has been enabled.
 487   mController->SetHorizontalScrollEnabled(true);
 488
 489   // Disables the vertical scrolling.
 490   mController->SetVerticalScrollEnabled(false);
 491
 492   // Disable the smooth handle panning.
 493   mController->SetSmoothHandlePanEnabled(false);
 494
 495   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 496   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 497
 498   // Sets layoutDirection value
 499   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 500   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 501   mController->SetLayoutDirection(layoutDirection);
 502
 503   self.LayoutDirectionChangedSignal().Connect(this, &TextField::OnLayoutDirectionChanged);
 504
 505   // Forward input events to controller
 506   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 507   GetTapGestureDetector().SetMaximumTapsRequired(2);
 508   GetTapGestureDetector().ReceiveAllTapEvents(true);
 509
 510   self.TouchedSignal().Connect(this, &TextField::OnTouched);
 511
 512   // Set BoundingBox to stage size if not already set.
 513   Rect<int> boundingBox;
 514   mDecorator->GetBoundingBox(boundingBox);
 515
 516   if(boundingBox.IsEmpty())
 517   {
 518     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 519     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 520   }
 521
 522   // Flip vertically the 'left' selection handle
 523   mDecorator->FlipHandleVertically(LEFT_SELECTION_HANDLE, true);
 524
 525   // Fill-parent area by default
 526   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 527   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 528   self.OnSceneSignal().Connect(this, &TextField::OnSceneConnect);
 529
 530   //Enable highightability
 531   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 532
 533   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 534
 535   if(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy)
 536   {
 537     EnableClipping();
 538   }
 539
 540   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 541     return std::make_unique<TextFieldAccessible>(actor, Dali::Accessibility::Role::ENTRY);
 542   });
 543
 544   Accessibility::Bridge::EnabledSignal().Connect(this, &TextField::OnAccessibilityStatusChanged);
 545   Accessibility::Bridge::DisabledSignal().Connect(this, &TextField::OnAccessibilityStatusChanged);
 546 }
 547
 548 void TextField::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 549 {
 550   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange\n");
 551
 552   switch(change)
 553   {
 554     case StyleChange::DEFAULT_FONT_CHANGE:
 555     {
 556       DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange DEFAULT_FONT_CHANGE\n");
 557       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 558       // Property system did not set the font so should update it.
 559       mController->UpdateAfterFontChange(newFont);
 560       RelayoutRequest();
 561       break;
 562     }
 563
 564     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 565     {
 566       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 567       RelayoutRequest();
 568       break;
 569     }
 570     case StyleChange::THEME_CHANGE:
 571     {
 572       // Nothing to do, let control base class handle this
 573       break;
 574     }
 575   }
 576
 577   // Up call to Control
 578   Control::OnStyleChange(styleManager, change);
 579 }
 580
 581 Vector3 TextField::GetNaturalSize()
 582 {
 583   Extents padding;
 584   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 585
 586   Vector3 naturalSize = mController->GetNaturalSize();
 587   naturalSize.width += (padding.start + padding.end);
 588   naturalSize.height += (padding.top + padding.bottom);
 589
 590   return naturalSize;
 591 }
 592
 593 float TextField::GetHeightForWidth(float width)
 594 {
 595   Extents padding;
 596   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 597   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 598 }
 599
 600 void TextField::ResizeActor(Actor& actor, const Vector2& size)
 601 {
 602   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 603   {
 604     actor.SetProperty(Actor::Property::SIZE, size);
 605   }
 606 }
 607
 608 void TextField::OnRelayout(const Vector2& size, RelayoutContainer& container)
 609 {
 610   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField OnRelayout\n");
 611
 612   Actor self = Self();
 613
 614   Extents padding;
 615   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 616
 617   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 618
 619   // Support Right-To-Left of padding
 620   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 621
 622   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 623   {
 624     std::swap(padding.start, padding.end);
 625   }
 626
 627   if(mStencil)
 628   {
 629     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 630     ResizeActor(mStencil, contentSize);
 631   }
 632   if(mActiveLayer)
 633   {
 634     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 635     ResizeActor(mActiveLayer, contentSize);
 636   }
 637   if(mCursorLayer)
 638   {
 639     mCursorLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 640     ResizeActor(mCursorLayer, contentSize);
 641   }
 642
 643   // If there is text changed, callback is called.
 644   if(mTextChanged)
 645   {
 646     EmitTextChangedSignal();
 647   }
 648
 649   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 650
 651   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 652      !mRenderer)
 653   {
 654     DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnRelayout %p Displaying new contents\n", mController.Get());
 655
 656     if(mDecorator &&
 657        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 658     {
 659       mDecorator->Relayout(contentSize);
 660     }
 661
 662     if(!mRenderer)
 663     {
 664       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 665     }
 666
 667     RenderText(updateTextType);
 668   }
 669
 670   if(mCursorPositionChanged)
 671   {
 672     EmitCursorPositionChangedSignal();
 673   }
 674
 675   if(mSelectionStarted)
 676   {
 677     EmitSelectionStartedSignal();
 678   }
 679
 680   if(mSelectionChanged)
 681   {
 682     EmitSelectionChangedSignal();
 683   }
 684
 685   if(mSelectionCleared)
 686   {
 687     EmitSelectionClearedSignal();
 688   }
 689
 690   // The text-field emits signals when the input style changes. These changes of style are
 691   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 692   // can't be emitted during the size negotiation as the callbacks may update the UI.
 693   // The text-field adds an idle callback to the adaptor to emit the signals after the size negotiation.
 694   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 695   {
 696     if(Adaptor::IsAvailable())
 697     {
 698       Adaptor& adaptor = Adaptor::Get();
 699
 700       if(NULL == mIdleCallback)
 701       {
 702         // @note: The callback manager takes the ownership of the callback object.
 703         mIdleCallback = MakeCallback(this, &TextField::OnIdleSignal);
 704         adaptor.AddIdle(mIdleCallback, false);
 705       }
 706     }
 707   }
 708 }
 709
 710 Text::ControllerPtr TextField::GetTextController()
 711 {
 712   return mController;
 713 }
 714
 715 void TextField::RenderText(Text::Controller::UpdateTextType updateTextType)
 716 {
 717   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 718 }
 719
 720 void TextField::OnKeyInputFocusGained()
 721 {
 722   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyInputFocusGained %p\n", mController.Get());
 723   if(mInputMethodContext && IsEditable())
 724   {
 725     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 726     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 727     mInputMethodContext.NotifyTextInputMultiLine(false);
 728
 729     mInputMethodContext.StatusChangedSignal().Connect(this, &TextField::KeyboardStatusChanged);
 730
 731     mInputMethodContext.EventReceivedSignal().Connect(this, &TextField::OnInputMethodContextEvent);
 732
 733     // Notify that the text editing start.
 734     mInputMethodContext.Activate();
 735
 736     // When window gain lost focus, the inputMethodContext is deactivated. Thus when window gain focus again, the inputMethodContext must be activated.
 737     mInputMethodContext.SetRestoreAfterFocusLost(true);
 738   }
 739   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 740
 741   if(notifier)
 742   {
 743     notifier.ContentSelectedSignal().Connect(this, &TextField::OnClipboardTextSelected);
 744   }
 745
 746   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 747
 748   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 749 }
 750
 751 void TextField::OnKeyInputFocusLost()
 752 {
 753   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField:OnKeyInputFocusLost %p\n", mController.Get());
 754   if(mInputMethodContext)
 755   {
 756     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextField::KeyboardStatusChanged);
 757     // The text editing is finished. Therefore the inputMethodContext don't have restore activation.
 758     mInputMethodContext.SetRestoreAfterFocusLost(false);
 759
 760     // Notify that the text editing finish.
 761     mInputMethodContext.Deactivate();
 762
 763     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextField::OnInputMethodContextEvent);
 764   }
 765   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 766
 767   if(notifier)
 768   {
 769     notifier.ContentSelectedSignal().Disconnect(this, &TextField::OnClipboardTextSelected);
 770   }
 771
 772   mController->KeyboardFocusLostEvent();
 773
 774   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 775 }
 776
 777 bool TextField::OnAccessibilityActivated()
 778 {
 779   SetKeyInputFocus();
 780   return true;
 781 }
 782
 783 void TextField::OnTap(const TapGesture& gesture)
 784 {
 785   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnTap %p\n", mController.Get());
 786   if(mInputMethodContext && IsEditable())
 787   {
 788     mInputMethodContext.Activate();
 789   }
 790   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 791   Extents padding;
 792   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 793   const Vector2& localPoint = gesture.GetLocalPoint();
 794   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 795   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 796
 797   SetKeyInputFocus();
 798 }
 799
 800 void TextField::OnPan(const PanGesture& gesture)
 801 {
 802   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 803 }
 804
 805 void TextField::OnLongPress(const LongPressGesture& gesture)
 806 {
 807   if(mInputMethodContext && IsEditable())
 808   {
 809     mInputMethodContext.Activate();
 810   }
 811   Extents padding;
 812   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 813   const Vector2& localPoint = gesture.GetLocalPoint();
 814   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 815
 816   SetKeyInputFocus();
 817 }
 818
 819 bool TextField::OnKeyEvent(const KeyEvent& event)
 820 {
 821   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 822
 823   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 824   {
 825     // Make sure ClearKeyInputFocus when only key is up
 826     if(event.GetState() == KeyEvent::UP)
 827     {
 828       ClearKeyInputFocus();
 829     }
 830
 831     return true;
 832   }
 833   else if(Dali::DevelKey::DALI_KEY_RETURN == event.GetKeyCode())
 834   {
 835     // Do nothing when enter is comming.
 836     return false;
 837   }
 838
 839   return mController->KeyEvent(event);
 840 }
 841
 842 void TextField::RequestTextRelayout()
 843 {
 844   RelayoutRequest();
 845 }
 846
 847 bool TextField::IsEditable() const
 848 {
 849   return mController->IsEditable();
 850 }
 851
 852 void TextField::SetEditable(bool editable)
 853 {
 854   mController->SetEditable(editable);
 855   if(mInputMethodContext && !editable)
 856   {
 857     mInputMethodContext.Deactivate();
 858   }
 859 }
 860
 861 void TextField::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 862 {
 863   if(Accessibility::IsUp())
 864   {
 865     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 866   }
 867 }
 868
 869 void TextField::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 870 {
 871   if(Accessibility::IsUp())
 872   {
 873     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 874   }
 875 }
 876
 877 void TextField::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 878 {
 879   if(Accessibility::IsUp())
 880   {
 881     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 882   }
 883
 884   if((oldPosition != newPosition) && !mCursorPositionChanged)
 885   {
 886     mCursorPositionChanged = true;
 887     mOldPosition           = oldPosition;
 888   }
 889 }
 890
 891 void TextField::TextChanged(bool immediate)
 892 {
 893   if(immediate) // Emits TextChangedSignal immediately
 894   {
 895     EmitTextChangedSignal();
 896   }
 897   else
 898   {
 899     mTextChanged = true;
 900   }
 901 }
 902
 903 void TextField::EmitTextChangedSignal()
 904 {
 905   Dali::Toolkit::TextField handle(GetOwner());
 906   mTextChangedSignal.Emit(handle);
 907   mTextChanged = false;
 908 }
 909
 910 void TextField::MaxLengthReached()
 911 {
 912   Dali::Toolkit::TextField handle(GetOwner());
 913   mMaxLengthReachedSignal.Emit(handle);
 914 }
 915
 916 void TextField::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 917 {
 918   Dali::Toolkit::TextField handle(GetOwner());
 919   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 920 }
 921
 922 void TextField::AnchorClicked(const std::string& href)
 923 {
 924   Dali::Toolkit::TextField handle(GetOwner());
 925   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 926 }
 927
 928 void TextField::EmitCursorPositionChangedSignal()
 929 {
 930   Dali::Toolkit::TextField handle(GetOwner());
 931   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 932   mCursorPositionChanged = false;
 933 }
 934
 935 void TextField::InputFiltered(Toolkit::InputFilter::Property::Type type)
 936 {
 937   Dali::Toolkit::TextField handle(GetOwner());
 938   mInputFilteredSignal.Emit(handle, type);
 939 }
 940
 941 void TextField::EmitSelectionChangedSignal()
 942 {
 943   Dali::Toolkit::TextField handle(GetOwner());
 944   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 945   mSelectionChanged = false;
 946 }
 947
 948 void TextField::EmitSelectionClearedSignal()
 949 {
 950   Dali::Toolkit::TextField handle(GetOwner());
 951   mSelectionClearedSignal.Emit(handle);
 952   mSelectionCleared = false;
 953 }
 954
 955 void TextField::EmitSelectionStartedSignal()
 956 {
 957   Dali::Toolkit::TextField handle(GetOwner());
 958   mSelectionStartedSignal.Emit(handle);
 959   mSelectionStarted = false;
 960 }
 961
 962 void TextField::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
 963 {
 964   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
 965   {
 966     if(newStart == newEnd)
 967     {
 968       mSelectionCleared = true;
 969     }
 970     else
 971     {
 972       if(oldStart == oldEnd)
 973       {
 974         mSelectionStarted = true;
 975       }
 976     }
 977
 978     mSelectionChanged  = true;
 979     mOldSelectionStart = oldStart;
 980     mOldSelectionEnd   = oldEnd;
 981
 982     if(mOldSelectionStart > mOldSelectionEnd)
 983     {
 984       //swap
 985       uint32_t temp      = mOldSelectionStart;
 986       mOldSelectionStart = mOldSelectionEnd;
 987       mOldSelectionEnd   = temp;
 988     }
 989   }
 990 }
 991
 992 void TextField::AddDecoration(Actor& actor, DecorationType type, bool needsClipping)
 993 {
 994   if(actor)
 995   {
 996     if(needsClipping)
 997     {
 998       mClippingDecorationActors.push_back(actor);
 999     }
1000
1001     // If the actor is a layer type, add it.
1002     if(type == DecorationType::ACTIVE_LAYER)
1003     {
1004       AddLayer(mActiveLayer, actor);
1005     }
1006     else if(type == DecorationType::CURSOR_LAYER)
1007     {
1008       AddLayer(mCursorLayer, actor);
1009     }
1010   }
1011 }
1012
1013 void TextField::AddLayer(Actor& layer, Actor& actor)
1014 {
1015   actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1016   actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1017   Self().Add(actor);
1018   layer = actor;
1019 }
1020
1021 void TextField::GetControlBackgroundColor(Vector4& color) const
1022 {
1023   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1024   Property::Map*  resultMap = propValue.GetMap();
1025
1026   Property::Value* colorValue = nullptr;
1027   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1028   {
1029     colorValue->Get(color);
1030   }
1031 }
1032
1033 void TextField::OnSceneConnect(Dali::Actor actor)
1034 {
1035   if(mHasBeenStaged)
1036   {
1037     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1038   }
1039   else
1040   {
1041     mHasBeenStaged = true;
1042   }
1043 }
1044
1045 InputMethodContext::CallbackData TextField::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1046 {
1047   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1048   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1049 }
1050
1051 void TextField::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1052 {
1053   if(mDecorator)
1054   {
1055     Property::Map map;
1056     map[PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1057
1058     value = map;
1059   }
1060 }
1061
1062 void TextField::EnableClipping()
1063 {
1064   if(!mStencil)
1065   {
1066     // Creates an extra control to be used as stencil buffer.
1067     mStencil = Control::New();
1068     mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1069     mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1070
1071     // Creates a background visual. Even if the color is transparent it updates the stencil.
1072     mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
1073                          Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
1074
1075     // Enable the clipping property.
1076     mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
1077     mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
1078
1079     Self().Add(mStencil);
1080   }
1081 }
1082
1083 void TextField::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1084 {
1085   mController->PasteClipboardItemEvent();
1086 }
1087
1088 void TextField::KeyboardStatusChanged(bool keyboardShown)
1089 {
1090   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1091
1092   // Just hide the grab handle when keyboard is hidden.
1093   if(!keyboardShown)
1094   {
1095     mController->KeyboardFocusLostEvent();
1096   }
1097   else
1098   {
1099     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1100   }
1101 }
1102
1103 void TextField::OnSceneConnection(int depth)
1104 {
1105   // Sets the depth to the visuals inside the text's decorator.
1106   mDecorator->SetTextDepth(depth);
1107
1108   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1109
1110   // Call the Control::OnSceneConnection() to set the depth of the background.
1111   Control::OnSceneConnection(depth);
1112 }
1113
1114 bool TextField::OnTouched(Actor actor, const TouchEvent& touch)
1115 {
1116   return false;
1117 }
1118
1119 void TextField::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1120 {
1121   mController->ChangedLayoutDirection();
1122 }
1123
1124 void TextField::OnIdleSignal()
1125 {
1126   // Emits the change of input style signals.
1127   mController->ProcessInputStyleChangedSignals();
1128
1129   // Set the pointer to null as the callback manager deletes the callback after execute it.
1130   mIdleCallback = NULL;
1131 }
1132
1133 TextField::TextField()
1134 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1135   mIdleCallback(NULL),
1136   mAlignmentOffset(0.f),
1137   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1138   mExceedPolicy(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP),
1139   mHasBeenStaged(false),
1140   mTextChanged(false),
1141   mCursorPositionChanged(false),
1142   mSelectionChanged(false),
1143   mSelectionCleared(false),
1144   mOldPosition(0u),
1145   mOldSelectionStart(0u),
1146   mOldSelectionEnd(0u),
1147   mSelectionStarted(false)
1148 {
1149 }
1150
1151 TextField::~TextField()
1152 {
1153   UnparentAndReset(mStencil);
1154
1155   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1156   {
1157     Adaptor::Get().RemoveIdle(mIdleCallback);
1158   }
1159 }
1160
1161 Vector<Vector2> TextField::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
1162 {
1163   return mController->GetTextSize(startIndex, endIndex);
1164 }
1165
1166 Vector<Vector2> TextField::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
1167 {
1168   return mController->GetTextPosition(startIndex, endIndex);
1169 }
1170
1171 std::string TextField::TextFieldAccessible::GetName() const
1172 {
1173   if(IsHiddenInput())
1174   {
1175     return {};
1176   }
1177
1178   return GetWholeText();
1179 }
1180
1181 const std::vector<Toolkit::TextAnchor>& TextField::TextFieldAccessible::GetTextAnchors() const
1182 {
1183   auto self = Toolkit::TextField::DownCast(Self());
1184
1185   return Toolkit::GetImpl(self).mAnchorActors;
1186 }
1187
1188 Toolkit::Text::ControllerPtr TextField::TextFieldAccessible::GetTextController() const
1189 {
1190   auto self = Toolkit::TextField::DownCast(Self());
1191
1192   return Toolkit::GetImpl(self).GetTextController();
1193 }
1194
1195 std::uint32_t TextField::TextFieldAccessible::GetSubstituteCharacter() const
1196 {
1197   auto self                = Toolkit::TextField::DownCast(Self());
1198   auto hiddenInputSettings = self.GetProperty<Property::Map>(Toolkit::TextField::Property::HIDDEN_INPUT_SETTINGS);
1199   auto substChar           = hiddenInputSettings.Find(Toolkit::HiddenInput::Property::SUBSTITUTE_CHARACTER);
1200
1201   if(substChar)
1202   {
1203     return static_cast<std::uint32_t>(substChar->Get<int>());
1204   }
1205
1206   return TextControlAccessible::GetSubstituteCharacter();
1207 }
1208
1209 bool TextField::TextFieldAccessible::IsHiddenInput() const
1210 {
1211   auto self                = Toolkit::TextField::DownCast(Self());
1212   auto hiddenInputSettings = self.GetProperty<Property::Map>(Toolkit::TextField::Property::HIDDEN_INPUT_SETTINGS);
1213   auto mode                = hiddenInputSettings.Find(Toolkit::HiddenInput::Property::MODE);
1214
1215   return (mode && (mode->Get<int>() != Toolkit::HiddenInput::Mode::HIDE_NONE));
1216 }
1217
1218 void TextField::TextFieldAccessible::RequestTextRelayout()
1219 {
1220   auto  self     = Toolkit::TextField::DownCast(Self());
1221   auto& selfImpl = Toolkit::GetImpl(self);
1222
1223   selfImpl.RequestTextRelayout();
1224 }
1225
1226 } // namespace Internal
1227
1228 } // namespace Toolkit
1229
1230 } // namespace Dali