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

   1 /*
   2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali-toolkit/internal/controls/text-controls/text-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/adaptor-framework/key.h>
  28 #include <dali/public-api/common/dali-common.h>
  29 #include <dali/public-api/object/type-registry-helper.h>
  30 #include <cstring>
  31
  32 // INTERNAL INCLUDES
  33 #include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
  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/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, "primaryCursorPosition",            INTEGER,   PRIMARY_CURSOR_POSITION             )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "grabHandleColor",                  VECTOR4,   GRAB_HANDLE_COLOR                   )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "inputFilter",                      MAP,       INPUT_FILTER                        )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "ellipsisPosition",                 INTEGER,   ELLIPSIS_POSITION                   )
 143
 144 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "textChanged",           SIGNAL_TEXT_CHANGED           )
 145 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 146 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 147 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 148 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 149 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 150 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 151 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 152
 153 DALI_TYPE_REGISTRATION_END()
 154 // clang-format on
 155
 156 } // namespace
 157
 158 Toolkit::TextField TextField::New()
 159 {
 160   // Create the implementation, temporarily owned by this handle on stack
 161   IntrusivePtr<TextField> impl = new TextField();
 162
 163   // Pass ownership to CustomActor handle
 164   Toolkit::TextField handle(*impl);
 165
 166   // Second-phase init of the implementation
 167   // This can only be done after the CustomActor connection has been made...
 168   impl->Initialize();
 169
 170   return handle;
 171 }
 172
 173 void TextField::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 174 {
 175   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 176
 177   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField SetProperty\n");
 178
 179   if(textField)
 180   {
 181     PropertyHandler::SetProperty(textField, index, value);
 182   }
 183 }
 184
 185 Property::Value TextField::GetProperty(BaseObject* object, Property::Index index)
 186 {
 187   Property::Value value;
 188
 189   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 190
 191   if(textField)
 192   {
 193     value = PropertyHandler::GetProperty(textField, index);
 194   }
 195
 196   return value;
 197 }
 198
 199 void TextField::SelectWholeText()
 200 {
 201   if(mController && mController->IsShowingRealText())
 202   {
 203     mController->SelectWholeText();
 204     SetKeyInputFocus();
 205   }
 206 }
 207
 208 void TextField::SelectNone()
 209 {
 210   if(mController && mController->IsShowingRealText())
 211   {
 212     mController->SelectNone();
 213   }
 214 }
 215
 216 void TextField::SelectText(const uint32_t start, const uint32_t end)
 217 {
 218   if(mController && mController->IsShowingRealText())
 219   {
 220     mController->SelectText(start, end);
 221     SetKeyInputFocus();
 222   }
 223 }
 224
 225 string TextField::GetSelectedText() const
 226 {
 227   string selectedText = "";
 228   if(mController && mController->IsShowingRealText())
 229   {
 230     selectedText = mController->GetSelectedText();
 231   }
 232   return selectedText;
 233 }
 234
 235 void TextField::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
 236 {
 237   if(mController && mController->IsShowingRealText())
 238   {
 239     mController->SetTextSelectionRange(start, end);
 240     SetKeyInputFocus();
 241   }
 242 }
 243
 244 Uint32Pair TextField::GetTextSelectionRange() const
 245 {
 246   Uint32Pair range;
 247   if(mController && mController->IsShowingRealText())
 248   {
 249     range = mController->GetTextSelectionRange();
 250   }
 251   return range;
 252 }
 253
 254 string TextField::CopyText()
 255 {
 256   string copiedText = "";
 257   if(mController && mController->IsShowingRealText())
 258   {
 259     copiedText = mController->CopyText();
 260   }
 261   return copiedText;
 262 }
 263
 264 string TextField::CutText()
 265 {
 266   string cutText = "";
 267   if(mController && mController->IsShowingRealText())
 268   {
 269     cutText = mController->CutText();
 270   }
 271   return cutText;
 272 }
 273
 274 void TextField::PasteText()
 275 {
 276   if(mController)
 277   {
 278     SetKeyInputFocus(); //Giving focus to the field that was passed to the PasteText in case the passed field (current field) doesn't have focus.
 279     mController->PasteText();
 280   }
 281 }
 282
 283 InputMethodContext TextField::GetInputMethodContext()
 284 {
 285   return mInputMethodContext;
 286 }
 287
 288 bool TextField::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 289 {
 290   Dali::BaseHandle handle(object);
 291
 292   bool               connected(true);
 293   Toolkit::TextField field = Toolkit::TextField::DownCast(handle);
 294
 295   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 296   {
 297     field.TextChangedSignal().Connect(tracker, functor);
 298   }
 299   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 300   {
 301     field.MaxLengthReachedSignal().Connect(tracker, functor);
 302   }
 303   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 304   {
 305     field.InputStyleChangedSignal().Connect(tracker, functor);
 306   }
 307   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 308   {
 309     if(field)
 310     {
 311       Internal::TextField& fieldImpl(GetImpl(field));
 312       fieldImpl.AnchorClickedSignal().Connect(tracker, functor);
 313     }
 314   }
 315   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 316   {
 317     if(field)
 318     {
 319       Internal::TextField& fieldImpl(GetImpl(field));
 320       fieldImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 321     }
 322   }
 323   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 324   {
 325     if(field)
 326     {
 327       Internal::TextField& fieldImpl(GetImpl(field));
 328       fieldImpl.InputFilteredSignal().Connect(tracker, functor);
 329     }
 330   }
 331   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 332   {
 333     if(field)
 334     {
 335       Internal::TextField& fieldImpl(GetImpl(field));
 336       fieldImpl.SelectionChangedSignal().Connect(tracker, functor);
 337     }
 338   }
 339   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 340   {
 341     if(field)
 342     {
 343       Internal::TextField& fieldImpl(GetImpl(field));
 344       fieldImpl.SelectionClearedSignal().Connect(tracker, functor);
 345     }
 346   }
 347   else
 348   {
 349     // signalName does not match any signal
 350     connected = false;
 351   }
 352
 353   return connected;
 354 }
 355
 356 Toolkit::TextField::TextChangedSignalType& TextField::TextChangedSignal()
 357 {
 358   return mTextChangedSignal;
 359 }
 360
 361 Toolkit::TextField::MaxLengthReachedSignalType& TextField::MaxLengthReachedSignal()
 362 {
 363   return mMaxLengthReachedSignal;
 364 }
 365
 366 Toolkit::TextField::InputStyleChangedSignalType& TextField::InputStyleChangedSignal()
 367 {
 368   return mInputStyleChangedSignal;
 369 }
 370
 371 DevelTextField::AnchorClickedSignalType& TextField::AnchorClickedSignal()
 372 {
 373   return mAnchorClickedSignal;
 374 }
 375
 376 DevelTextField::CursorPositionChangedSignalType& TextField::CursorPositionChangedSignal()
 377 {
 378   return mCursorPositionChangedSignal;
 379 }
 380
 381 DevelTextField::InputFilteredSignalType& TextField::InputFilteredSignal()
 382 {
 383   return mInputFilteredSignal;
 384 }
 385
 386 DevelTextField::SelectionChangedSignalType& TextField::SelectionChangedSignal()
 387 {
 388   return mSelectionChangedSignal;
 389 }
 390
 391 DevelTextField::SelectionClearedSignalType& TextField::SelectionClearedSignal()
 392 {
 393   return mSelectionClearedSignal;
 394 }
 395
 396 void TextField::OnInitialize()
 397 {
 398   Actor self = Self();
 399
 400   mController = Text::Controller::New(this, this, this, this);
 401
 402   // When using the vector-based rendering, the size of the GLyphs are different
 403   TextAbstraction::GlyphType glyphType = (DevelText::RENDERING_VECTOR_BASED == mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
 404   mController->SetGlyphType(glyphType);
 405
 406   mDecorator = Text::Decorator::New(*mController,
 407                                     *mController);
 408
 409   mInputMethodContext = InputMethodContext::New(self);
 410
 411   mController->GetLayoutEngine().SetLayout(Layout::Engine::SINGLE_LINE_BOX);
 412
 413   // Enables the text input.
 414   mController->EnableTextInput(mDecorator, mInputMethodContext);
 415
 416   // Enables the horizontal scrolling after the text input has been enabled.
 417   mController->SetHorizontalScrollEnabled(true);
 418
 419   // Disables the vertical scrolling.
 420   mController->SetVerticalScrollEnabled(false);
 421
 422   // Disable the smooth handle panning.
 423   mController->SetSmoothHandlePanEnabled(false);
 424
 425   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 426   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 427
 428   // Sets layoutDirection value
 429   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 430   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 431   mController->SetLayoutDirection(layoutDirection);
 432
 433   self.LayoutDirectionChangedSignal().Connect(this, &TextField::OnLayoutDirectionChanged);
 434
 435   // Forward input events to controller
 436   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 437   GetTapGestureDetector().SetMaximumTapsRequired(2);
 438   GetTapGestureDetector().ReceiveAllTapEvents(true);
 439
 440   self.TouchedSignal().Connect(this, &TextField::OnTouched);
 441
 442   // Set BoundingBox to stage size if not already set.
 443   Rect<int> boundingBox;
 444   mDecorator->GetBoundingBox(boundingBox);
 445
 446   if(boundingBox.IsEmpty())
 447   {
 448     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 449     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 450   }
 451
 452   // Flip vertically the 'left' selection handle
 453   mDecorator->FlipHandleVertically(LEFT_SELECTION_HANDLE, true);
 454
 455   // Fill-parent area by default
 456   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 457   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 458   self.OnSceneSignal().Connect(this, &TextField::OnSceneConnect);
 459
 460   //Enable highightability
 461   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 462
 463   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 464
 465   if(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy)
 466   {
 467     EnableClipping();
 468   }
 469
 470   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 471     return std::unique_ptr<Dali::Accessibility::Accessible>(
 472       new AccessibleImpl(actor, Dali::Accessibility::Role::ENTRY));
 473   });
 474 }
 475
 476 void TextField::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 477 {
 478   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange\n");
 479
 480   switch(change)
 481   {
 482     case StyleChange::DEFAULT_FONT_CHANGE:
 483     {
 484       DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange DEFAULT_FONT_CHANGE\n");
 485       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 486       // Property system did not set the font so should update it.
 487       mController->UpdateAfterFontChange(newFont);
 488       RelayoutRequest();
 489       break;
 490     }
 491
 492     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 493     {
 494       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 495       RelayoutRequest();
 496       break;
 497     }
 498     case StyleChange::THEME_CHANGE:
 499     {
 500       // Nothing to do, let control base class handle this
 501       break;
 502     }
 503   }
 504
 505   // Up call to Control
 506   Control::OnStyleChange(styleManager, change);
 507 }
 508
 509 Vector3 TextField::GetNaturalSize()
 510 {
 511   Extents padding;
 512   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 513
 514   Vector3 naturalSize = mController->GetNaturalSize();
 515   naturalSize.width += (padding.start + padding.end);
 516   naturalSize.height += (padding.top + padding.bottom);
 517
 518   return naturalSize;
 519 }
 520
 521 float TextField::GetHeightForWidth(float width)
 522 {
 523   Extents padding;
 524   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 525   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 526 }
 527
 528 void TextField::ResizeActor(Actor& actor, const Vector2& size)
 529 {
 530   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 531   {
 532     actor.SetProperty(Actor::Property::SIZE, size);
 533   }
 534 }
 535
 536 void TextField::OnRelayout(const Vector2& size, RelayoutContainer& container)
 537 {
 538   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField OnRelayout\n");
 539
 540   Actor self = Self();
 541
 542   Extents padding;
 543   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 544
 545   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 546
 547   // Support Right-To-Left of padding
 548   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 549
 550   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 551   {
 552     std::swap(padding.start, padding.end);
 553   }
 554
 555   if(mStencil)
 556   {
 557     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 558     ResizeActor(mStencil, contentSize);
 559   }
 560   if(mActiveLayer)
 561   {
 562     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 563     ResizeActor(mActiveLayer, contentSize);
 564   }
 565
 566   // If there is text changed, callback is called.
 567   if(mTextChanged)
 568   {
 569     EmitTextChangedSignal();
 570   }
 571
 572   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 573
 574   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 575      !mRenderer)
 576   {
 577     DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnRelayout %p Displaying new contents\n", mController.Get());
 578
 579     if(mDecorator &&
 580        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 581     {
 582       mDecorator->Relayout(contentSize);
 583     }
 584
 585     if(!mRenderer)
 586     {
 587       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 588     }
 589
 590     RenderText(updateTextType);
 591   }
 592
 593   if(mCursorPositionChanged)
 594   {
 595     EmitCursorPositionChangedSignal();
 596   }
 597
 598   if(mSelectionChanged)
 599   {
 600     EmitSelectionChangedSignal();
 601   }
 602
 603   if(mSelectionCleared)
 604   {
 605     EmitSelectionClearedSignal();
 606   }
 607
 608   // The text-field emits signals when the input style changes. These changes of style are
 609   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 610   // can't be emitted during the size negotiation as the callbacks may update the UI.
 611   // The text-field adds an idle callback to the adaptor to emit the signals after the size negotiation.
 612   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 613   {
 614     if(Adaptor::IsAvailable())
 615     {
 616       Adaptor& adaptor = Adaptor::Get();
 617
 618       if(NULL == mIdleCallback)
 619       {
 620         // @note: The callback manager takes the ownership of the callback object.
 621         mIdleCallback = MakeCallback(this, &TextField::OnIdleSignal);
 622         adaptor.AddIdle(mIdleCallback, false);
 623       }
 624     }
 625   }
 626 }
 627
 628 Text::ControllerPtr TextField::GetTextController()
 629 {
 630   return mController;
 631 }
 632
 633 void TextField::RenderText(Text::Controller::UpdateTextType updateTextType)
 634 {
 635   Actor renderableActor;
 636
 637   if(Text::Controller::NONE_UPDATED != (Text::Controller::MODEL_UPDATED & updateTextType))
 638   {
 639     if(mRenderer)
 640     {
 641       Dali::Toolkit::TextField handle = Dali::Toolkit::TextField(GetOwner());
 642
 643       renderableActor = mRenderer->Render(mController->GetView(),
 644                                           handle,
 645                                           Property::INVALID_INDEX, // Animatable property not supported
 646                                           mAlignmentOffset,
 647                                           DepthIndex::CONTENT);
 648     }
 649
 650     if(renderableActor != mRenderableActor)
 651     {
 652       UnparentAndReset(mBackgroundActor);
 653       UnparentAndReset(mRenderableActor);
 654       mRenderableActor = renderableActor;
 655
 656       if(mRenderableActor)
 657       {
 658         mBackgroundActor = mController->CreateBackgroundActor();
 659       }
 660     }
 661   }
 662
 663   if(mRenderableActor)
 664   {
 665     const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
 666
 667     float renderableActorPositionX, renderableActorPositionY;
 668
 669     if(mStencil)
 670     {
 671       renderableActorPositionX = scrollOffset.x + mAlignmentOffset;
 672       renderableActorPositionY = scrollOffset.y;
 673     }
 674     else
 675     {
 676       Extents padding;
 677       padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 678
 679       // Support Right-To-Left of padding
 680       Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(Self().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 681       if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 682       {
 683         std::swap(padding.start, padding.end);
 684       }
 685
 686       renderableActorPositionX = scrollOffset.x + mAlignmentOffset + padding.start;
 687       renderableActorPositionY = scrollOffset.y + padding.top;
 688     }
 689
 690     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(renderableActorPositionX, renderableActorPositionY));
 691
 692     // Make sure the actors are parented correctly with/without clipping
 693     Actor self = mStencil ? mStencil : Self();
 694
 695     Actor highlightActor;
 696
 697     for(std::vector<Actor>::iterator it    = mClippingDecorationActors.begin(),
 698                                      endIt = mClippingDecorationActors.end();
 699         it != endIt;
 700         ++it)
 701     {
 702       self.Add(*it);
 703       it->LowerToBottom();
 704
 705       if(it->GetProperty<std::string>(Dali::Actor::Property::NAME) == "HighlightActor")
 706       {
 707         highlightActor = *it;
 708       }
 709     }
 710     mClippingDecorationActors.clear();
 711
 712     self.Add(mRenderableActor);
 713
 714     if(mBackgroundActor)
 715     {
 716       if(mDecorator && mDecorator->IsHighlightVisible())
 717       {
 718         self.Add(mBackgroundActor);
 719         mBackgroundActor.SetProperty(Actor::Property::POSITION, Vector2(renderableActorPositionX, renderableActorPositionY)); // In text field's coords.
 720         mBackgroundActor.LowerBelow(highlightActor);
 721       }
 722       else
 723       {
 724         mRenderableActor.Add(mBackgroundActor);
 725         mBackgroundActor.SetProperty(Actor::Property::POSITION, Vector2(0.0f, 0.0f)); // In renderable actor's coords.
 726         mBackgroundActor.LowerToBottom();
 727       }
 728     }
 729   }
 730 }
 731
 732 void TextField::OnKeyInputFocusGained()
 733 {
 734   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyInputFocusGained %p\n", mController.Get());
 735   if(mInputMethodContext && IsEditable())
 736   {
 737     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 738     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 739     mInputMethodContext.NotifyTextInputMultiLine(false);
 740
 741     mInputMethodContext.StatusChangedSignal().Connect(this, &TextField::KeyboardStatusChanged);
 742
 743     mInputMethodContext.EventReceivedSignal().Connect(this, &TextField::OnInputMethodContextEvent);
 744
 745     // Notify that the text editing start.
 746     mInputMethodContext.Activate();
 747
 748     // When window gain lost focus, the inputMethodContext is deactivated. Thus when window gain focus again, the inputMethodContext must be activated.
 749     mInputMethodContext.SetRestoreAfterFocusLost(true);
 750   }
 751   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 752
 753   if(notifier)
 754   {
 755     notifier.ContentSelectedSignal().Connect(this, &TextField::OnClipboardTextSelected);
 756   }
 757
 758   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 759
 760   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 761 }
 762
 763 void TextField::OnKeyInputFocusLost()
 764 {
 765   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField:OnKeyInputFocusLost %p\n", mController.Get());
 766   if(mInputMethodContext)
 767   {
 768     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextField::KeyboardStatusChanged);
 769     // The text editing is finished. Therefore the inputMethodContext don't have restore activation.
 770     mInputMethodContext.SetRestoreAfterFocusLost(false);
 771
 772     // Notify that the text editing finish.
 773     mInputMethodContext.Deactivate();
 774
 775     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextField::OnInputMethodContextEvent);
 776   }
 777   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 778
 779   if(notifier)
 780   {
 781     notifier.ContentSelectedSignal().Disconnect(this, &TextField::OnClipboardTextSelected);
 782   }
 783
 784   mController->KeyboardFocusLostEvent();
 785
 786   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 787 }
 788
 789 bool TextField::OnAccessibilityActivated()
 790 {
 791   SetKeyInputFocus();
 792   return true;
 793 }
 794
 795 void TextField::OnTap(const TapGesture& gesture)
 796 {
 797   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnTap %p\n", mController.Get());
 798   if(mInputMethodContext && IsEditable())
 799   {
 800     mInputMethodContext.Activate();
 801   }
 802   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 803   Extents padding;
 804   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 805   const Vector2& localPoint = gesture.GetLocalPoint();
 806   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 807   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 808
 809   SetKeyInputFocus();
 810 }
 811
 812 void TextField::OnPan(const PanGesture& gesture)
 813 {
 814   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 815 }
 816
 817 void TextField::OnLongPress(const LongPressGesture& gesture)
 818 {
 819   if(mInputMethodContext && IsEditable())
 820   {
 821     mInputMethodContext.Activate();
 822   }
 823   Extents padding;
 824   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 825   const Vector2& localPoint = gesture.GetLocalPoint();
 826   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 827
 828   SetKeyInputFocus();
 829 }
 830
 831 bool TextField::OnKeyEvent(const KeyEvent& event)
 832 {
 833   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 834
 835   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 836   {
 837     // Make sure ClearKeyInputFocus when only key is up
 838     if(event.GetState() == KeyEvent::UP)
 839     {
 840       ClearKeyInputFocus();
 841     }
 842
 843     return true;
 844   }
 845   else if(Dali::DevelKey::DALI_KEY_RETURN == event.GetKeyCode())
 846   {
 847     // Do nothing when enter is comming.
 848     return false;
 849   }
 850
 851   return mController->KeyEvent(event);
 852 }
 853
 854 void TextField::RequestTextRelayout()
 855 {
 856   RelayoutRequest();
 857 }
 858
 859 bool TextField::IsEditable() const
 860 {
 861   return mController->IsEditable();
 862 }
 863
 864 void TextField::SetEditable(bool editable)
 865 {
 866   mController->SetEditable(editable);
 867   if(mInputMethodContext && !editable)
 868   {
 869     mInputMethodContext.Deactivate();
 870   }
 871 }
 872
 873 void TextField::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 874 {
 875   if(Accessibility::IsUp())
 876   {
 877     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 878   }
 879 }
 880
 881 void TextField::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 882 {
 883   if(Accessibility::IsUp())
 884   {
 885     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 886   }
 887 }
 888
 889 void TextField::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 890 {
 891   if(Accessibility::IsUp())
 892   {
 893     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 894   }
 895
 896   if((oldPosition != newPosition) && !mCursorPositionChanged)
 897   {
 898     mCursorPositionChanged = true;
 899     mOldPosition           = oldPosition;
 900   }
 901 }
 902
 903 void TextField::TextChanged(bool immediate)
 904 {
 905   if(immediate) // Emits TextChangedSignal immediately
 906   {
 907     EmitTextChangedSignal();
 908   }
 909   else
 910   {
 911     mTextChanged = true;
 912   }
 913 }
 914
 915 void TextField::EmitTextChangedSignal()
 916 {
 917   Dali::Toolkit::TextField handle(GetOwner());
 918   mTextChangedSignal.Emit(handle);
 919   mTextChanged = false;
 920 }
 921
 922 void TextField::MaxLengthReached()
 923 {
 924   Dali::Toolkit::TextField handle(GetOwner());
 925   mMaxLengthReachedSignal.Emit(handle);
 926 }
 927
 928 void TextField::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 929 {
 930   Dali::Toolkit::TextField handle(GetOwner());
 931
 932   Toolkit::TextField::InputStyle::Mask fieldInputStyleMask = Toolkit::TextField::InputStyle::NONE;
 933
 934   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 935   {
 936     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::COLOR);
 937   }
 938   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 939   {
 940     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_FAMILY);
 941   }
 942   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 943   {
 944     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::POINT_SIZE);
 945   }
 946   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 947   {
 948     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 949   }
 950   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 951   {
 952     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 953   }
 954   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 955   {
 956     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 957   }
 958   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 959   {
 960     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::UNDERLINE);
 961   }
 962   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 963   {
 964     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::SHADOW);
 965   }
 966   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 967   {
 968     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::EMBOSS);
 969   }
 970   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 971   {
 972     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::OUTLINE);
 973   }
 974
 975   mInputStyleChangedSignal.Emit(handle, fieldInputStyleMask);
 976 }
 977
 978 void TextField::AnchorClicked(const std::string& href)
 979 {
 980   Dali::Toolkit::TextField handle(GetOwner());
 981   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 982 }
 983
 984 void TextField::EmitCursorPositionChangedSignal()
 985 {
 986   Dali::Toolkit::TextField handle(GetOwner());
 987   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 988   mCursorPositionChanged = false;
 989 }
 990
 991 void TextField::InputFiltered(Toolkit::InputFilter::Property::Type type)
 992 {
 993   Dali::Toolkit::TextField handle(GetOwner());
 994   mInputFilteredSignal.Emit(handle, type);
 995 }
 996
 997 void TextField::EmitSelectionChangedSignal()
 998 {
 999   Dali::Toolkit::TextField handle(GetOwner());
1000   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
1001   mSelectionChanged = false;
1002 }
1003
1004 void TextField::EmitSelectionClearedSignal()
1005 {
1006   Dali::Toolkit::TextField handle(GetOwner());
1007   mSelectionClearedSignal.Emit(handle);
1008   mSelectionCleared = false;
1009 }
1010
1011 void TextField::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
1012 {
1013   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
1014   {
1015     if(newStart == newEnd)
1016     {
1017       mSelectionCleared = true;
1018     }
1019
1020     mSelectionChanged  = true;
1021     mOldSelectionStart = oldStart;
1022     mOldSelectionEnd   = oldEnd;
1023
1024     if(mOldSelectionStart > mOldSelectionEnd)
1025     {
1026       //swap
1027       uint32_t temp      = mOldSelectionStart;
1028       mOldSelectionStart = mOldSelectionEnd;
1029       mOldSelectionEnd   = temp;
1030     }
1031   }
1032 }
1033
1034 void TextField::AddDecoration(Actor& actor, bool needsClipping)
1035 {
1036   if(actor)
1037   {
1038     if(needsClipping)
1039     {
1040       mClippingDecorationActors.push_back(actor);
1041     }
1042     else
1043     {
1044       actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1045       actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1046       Self().Add(actor);
1047       mActiveLayer = actor;
1048     }
1049   }
1050 }
1051
1052 void TextField::GetControlBackgroundColor(Vector4& color) const
1053 {
1054   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1055   Property::Map*  resultMap = propValue.GetMap();
1056
1057   Property::Value* colorValue = nullptr;
1058   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1059   {
1060     colorValue->Get(color);
1061   }
1062 }
1063
1064 void TextField::OnSceneConnect(Dali::Actor actor)
1065 {
1066   if(mHasBeenStaged)
1067   {
1068     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1069   }
1070   else
1071   {
1072     mHasBeenStaged = true;
1073   }
1074 }
1075
1076 InputMethodContext::CallbackData TextField::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1077 {
1078   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1079   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1080 }
1081
1082 void TextField::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1083 {
1084   if(mDecorator)
1085   {
1086     Property::Map map;
1087     map[PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1088
1089     value = map;
1090   }
1091 }
1092
1093 void TextField::EnableClipping()
1094 {
1095   if(!mStencil)
1096   {
1097     // Creates an extra control to be used as stencil buffer.
1098     mStencil = Control::New();
1099     mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1100     mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1101
1102     // Creates a background visual. Even if the color is transparent it updates the stencil.
1103     mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
1104                          Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
1105
1106     // Enable the clipping property.
1107     mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
1108     mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
1109
1110     Self().Add(mStencil);
1111   }
1112 }
1113
1114 void TextField::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1115 {
1116   mController->PasteClipboardItemEvent();
1117 }
1118
1119 void TextField::KeyboardStatusChanged(bool keyboardShown)
1120 {
1121   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1122
1123   // Just hide the grab handle when keyboard is hidden.
1124   if(!keyboardShown)
1125   {
1126     mController->KeyboardFocusLostEvent();
1127   }
1128   else
1129   {
1130     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1131   }
1132 }
1133
1134 void TextField::OnSceneConnection(int depth)
1135 {
1136   // Sets the depth to the visuals inside the text's decorator.
1137   mDecorator->SetTextDepth(depth);
1138
1139   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1140
1141   // Call the Control::OnSceneConnection() to set the depth of the background.
1142   Control::OnSceneConnection(depth);
1143 }
1144
1145 bool TextField::OnTouched(Actor actor, const TouchEvent& touch)
1146 {
1147   return false;
1148 }
1149
1150 void TextField::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1151 {
1152   mController->ChangedLayoutDirection();
1153 }
1154
1155 void TextField::OnIdleSignal()
1156 {
1157   // Emits the change of input style signals.
1158   mController->ProcessInputStyleChangedSignals();
1159
1160   // Set the pointer to null as the callback manager deletes the callback after execute it.
1161   mIdleCallback = NULL;
1162 }
1163
1164 TextField::TextField()
1165 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1166   mIdleCallback(NULL),
1167   mAlignmentOffset(0.f),
1168   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1169   mExceedPolicy(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP),
1170   mHasBeenStaged(false),
1171   mTextChanged(false),
1172   mCursorPositionChanged(false),
1173   mSelectionChanged(false),
1174   mSelectionCleared(false),
1175   mOldPosition(0u),
1176   mOldSelectionStart(0u),
1177   mOldSelectionEnd(0u)
1178 {
1179 }
1180
1181 TextField::~TextField()
1182 {
1183   UnparentAndReset(mStencil);
1184
1185   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1186   {
1187     Adaptor::Get().RemoveIdle(mIdleCallback);
1188   }
1189 }
1190
1191 std::string TextField::AccessibleImpl::GetName()
1192 {
1193   auto self = Toolkit::TextField::DownCast(Self());
1194   return self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1195 }
1196
1197 std::string TextField::AccessibleImpl::GetText(size_t startOffset, size_t endOffset)
1198 {
1199   if(endOffset <= startOffset)
1200   {
1201     return {};
1202   }
1203
1204   auto self = Toolkit::TextField::DownCast(Self());
1205   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1206
1207   if(startOffset > text.size() || endOffset > text.size())
1208   {
1209     return {};
1210   }
1211
1212   return text.substr(startOffset, endOffset - startOffset);
1213 }
1214
1215 size_t TextField::AccessibleImpl::GetCharacterCount()
1216 {
1217   auto self = Toolkit::TextField::DownCast(Self());
1218   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1219
1220   return text.size();
1221 }
1222
1223 size_t TextField::AccessibleImpl::GetCursorOffset()
1224 {
1225   auto self = Toolkit::TextField::DownCast(Self());
1226   return Dali::Toolkit::GetImpl(self).GetTextController()->GetCursorPosition();
1227 }
1228
1229 bool TextField::AccessibleImpl::SetCursorOffset(size_t offset)
1230 {
1231   auto self = Toolkit::TextField::DownCast(Self());
1232   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1233   if(offset > text.size())
1234   {
1235     return false;
1236   }
1237
1238   auto& selfImpl = Dali::Toolkit::GetImpl(self);
1239   selfImpl.GetTextController()->ResetCursorPosition(offset);
1240   selfImpl.RequestTextRelayout();
1241
1242   return true;
1243 }
1244
1245 Dali::Accessibility::Range TextField::AccessibleImpl::GetTextAtOffset(
1246   size_t offset, Dali::Accessibility::TextBoundary boundary)
1247 {
1248   auto self     = Toolkit::TextField::DownCast(Self());
1249   auto text     = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1250   auto textSize = text.size();
1251
1252   auto range = Dali::Accessibility::Range{};
1253
1254   switch(boundary)
1255   {
1256     case Dali::Accessibility::TextBoundary::CHARACTER:
1257     {
1258       if(offset < textSize)
1259       {
1260         range.content     = text[offset];
1261         range.startOffset = offset;
1262         range.endOffset   = offset + 1;
1263       }
1264       break;
1265     }
1266     case Dali::Accessibility::TextBoundary::WORD:
1267     case Dali::Accessibility::TextBoundary::LINE:
1268     {
1269       auto textString = text.c_str();
1270       auto breaks     = std::vector<char>(textSize, 0);
1271
1272       if(boundary == Dali::Accessibility::TextBoundary::WORD)
1273       {
1274         Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1275       }
1276       else
1277       {
1278         Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1279       }
1280
1281       auto index   = 0u;
1282       auto counter = 0u;
1283       while(index < textSize && counter <= offset)
1284       {
1285         auto start = index;
1286         if(breaks[index])
1287         {
1288           while(breaks[index])
1289           {
1290             index++;
1291           }
1292           counter++;
1293         }
1294         else
1295         {
1296           if(boundary == Dali::Accessibility::TextBoundary::WORD)
1297           {
1298             index++;
1299           }
1300           if(boundary == Dali::Accessibility::TextBoundary::LINE)
1301           {
1302             counter++;
1303           }
1304         }
1305
1306         if((counter > 0) && ((counter - 1) == offset))
1307         {
1308           range.content     = text.substr(start, index - start + 1);
1309           range.startOffset = start;
1310           range.endOffset   = index + 1;
1311         }
1312
1313         if(boundary == Dali::Accessibility::TextBoundary::LINE)
1314         {
1315           index++;
1316         }
1317       }
1318       break;
1319     }
1320     case Dali::Accessibility::TextBoundary::SENTENCE:
1321     {
1322       /* not supported by default */
1323       break;
1324     }
1325     case Dali::Accessibility::TextBoundary::PARAGRAPH:
1326     {
1327       /* Paragraph is not supported by libunibreak library */
1328       break;
1329     }
1330     default:
1331       break;
1332   }
1333
1334   return range;
1335 }
1336
1337 Dali::Accessibility::Range TextField::AccessibleImpl::GetRangeOfSelection(size_t selectionIndex)
1338 {
1339   // Since DALi supports only one selection indexes higher than 0 are ignored
1340   if(selectionIndex > 0)
1341   {
1342     return {};
1343   }
1344
1345   auto        self       = Toolkit::TextField::DownCast(Self());
1346   auto        controller = Dali::Toolkit::GetImpl(self).GetTextController();
1347   std::string value{};
1348   controller->RetrieveSelection(value);
1349   auto indices = controller->GetSelectionIndexes();
1350
1351   return {static_cast<size_t>(indices.first), static_cast<size_t>(indices.second), value};
1352 }
1353
1354 bool TextField::AccessibleImpl::RemoveSelection(size_t selectionIndex)
1355 {
1356   // Since DALi supports only one selection indexes higher than 0 are ignored
1357   if(selectionIndex > 0)
1358   {
1359     return false;
1360   }
1361
1362   auto self = Toolkit::TextField::DownCast(Self());
1363   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1364   return true;
1365 }
1366
1367 bool TextField::AccessibleImpl::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1368 {
1369   // Since DALi supports only one selection indexes higher than 0 are ignored
1370   if(selectionIndex > 0)
1371   {
1372     return false;
1373   }
1374
1375   auto self = Toolkit::TextField::DownCast(Self());
1376   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1377   return true;
1378 }
1379
1380 bool TextField::AccessibleImpl::CopyText(size_t startPosition, size_t endPosition)
1381 {
1382   if(endPosition <= startPosition)
1383   {
1384     return false;
1385   }
1386
1387   auto self = Toolkit::TextField::DownCast(Self());
1388   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1389   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1390
1391   return true;
1392 }
1393
1394 bool TextField::AccessibleImpl::CutText(size_t startPosition, size_t endPosition)
1395 {
1396   if(endPosition <= startPosition)
1397   {
1398     return false;
1399   }
1400
1401   auto self = Toolkit::TextField::DownCast(Self());
1402   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1403   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1404
1405   self.SetProperty(Toolkit::TextField::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1406
1407   return true;
1408 }
1409
1410 bool TextField::AccessibleImpl::DeleteText(size_t startPosition, size_t endPosition)
1411 {
1412   if(endPosition <= startPosition)
1413   {
1414     return false;
1415   }
1416
1417   auto self = Toolkit::TextField::DownCast(Self());
1418   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1419
1420   self.SetProperty(Toolkit::TextField::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1421
1422   return true;
1423 }
1424
1425 Dali::Accessibility::States TextField::AccessibleImpl::CalculateStates()
1426 {
1427   using namespace Dali::Accessibility;
1428
1429   auto states = DevelControl::AccessibleImpl::CalculateStates();
1430
1431   states[State::EDITABLE]  = true;
1432   states[State::FOCUSABLE] = true;
1433
1434   Toolkit::Control focusControl = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
1435   if(mSelf == focusControl)
1436   {
1437     states[State::FOCUSED] = true;
1438   }
1439
1440   return states;
1441 }
1442
1443 bool TextField::AccessibleImpl::InsertText(size_t startPosition, std::string text)
1444 {
1445   auto self         = Toolkit::TextField::DownCast(Self());
1446   auto insertedText = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1447
1448   insertedText.insert(startPosition, text);
1449
1450   self.SetProperty(Toolkit::TextField::Property::TEXT, std::move(insertedText));
1451
1452   return true;
1453 }
1454
1455 bool TextField::AccessibleImpl::SetTextContents(std::string newContents)
1456 {
1457   auto self = Toolkit::TextField::DownCast(Self());
1458   self.SetProperty(Toolkit::TextField::Property::TEXT, std::move(newContents));
1459   return true;
1460 }
1461
1462 } // namespace Internal
1463
1464 } // namespace Toolkit
1465
1466 } // namespace Dali