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

   1 /*
   2  * Copyright (c) 2024 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/focus-manager/keyboard-focus-manager-impl.h>
  40 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  41 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  42 #include <dali-toolkit/internal/text/text-effects-style.h>
  43 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  44 #include <dali-toolkit/internal/text/text-font-style.h>
  45 #include <dali-toolkit/internal/text/text-view.h>
  46 #include <dali-toolkit/public-api/text/text-enumerations.h>
  47 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  48 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  49 #include <dali/integration-api/adaptor-framework/adaptor.h>
  50
  51 using namespace Dali::Toolkit::Text;
  52
  53 #if defined(DEBUG_ENABLED)
  54 Debug::Filter* gTextFieldLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  55 #endif
  56
  57 namespace Dali
  58 {
  59 namespace Toolkit
  60 {
  61 namespace Internal
  62 {
  63 namespace // unnamed namespace
  64 {
  65 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  66 const char*        KEY_RETURN_NAME           = "Return";
  67 } // unnamed namespace
  68
  69 namespace
  70 {
  71 // Type registration
  72 BaseHandle Create()
  73 {
  74   return Toolkit::TextField::New();
  75 }
  76
  77 // clang-format off
  78 // Setup properties, signals and actions using the type-registry.
  79 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::TextField, Toolkit::Control, Create );
  80
  81 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "text",                             STRING,    TEXT                                )
  82 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholderText",                  STRING,    PLACEHOLDER_TEXT                    )
  83 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholderTextFocused",           STRING,    PLACEHOLDER_TEXT_FOCUSED            )
  84 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "fontFamily",                       STRING,    FONT_FAMILY                         )
  85 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "fontStyle",                        MAP,       FONT_STYLE                          )
  86 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "pointSize",                        FLOAT,     POINT_SIZE                          )
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "maxLength",                        INTEGER,   MAX_LENGTH                          )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "exceedPolicy",                     INTEGER,   EXCEED_POLICY                       )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "horizontalAlignment",              STRING,    HORIZONTAL_ALIGNMENT                )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "verticalAlignment",                STRING,    VERTICAL_ALIGNMENT                  )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "textColor",                        VECTOR4,   TEXT_COLOR                          )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholderTextColor",             VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "primaryCursorColor",               VECTOR4,   PRIMARY_CURSOR_COLOR                )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "secondaryCursorColor",             VECTOR4,   SECONDARY_CURSOR_COLOR              )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "enableCursorBlink",                BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "cursorBlinkInterval",              FLOAT,     CURSOR_BLINK_INTERVAL               )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "cursorBlinkDuration",              FLOAT,     CURSOR_BLINK_DURATION               )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "cursorWidth",                      INTEGER,   CURSOR_WIDTH                        )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "grabHandleImage",                  STRING,    GRAB_HANDLE_IMAGE                   )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "grabHandlePressedImage",           STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "scrollThreshold",                  FLOAT,     SCROLL_THRESHOLD                    )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "scrollSpeed",                      FLOAT,     SCROLL_SPEED                        )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleImageLeft",         MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleImageRight",        MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandlePressedImageLeft",  MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandlePressedImageRight", MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleMarkerImageLeft",   MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleMarkerImageRight",  MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHighlightColor",          VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "decorationBoundingBox",            RECTANGLE, DECORATION_BOUNDING_BOX             )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputMethodSettings",              MAP,       INPUT_METHOD_SETTINGS               )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputColor",                       VECTOR4,   INPUT_COLOR                         )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "enableMarkup",                     BOOLEAN,   ENABLE_MARKUP                       )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputFontFamily",                  STRING,    INPUT_FONT_FAMILY                   )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputFontStyle",                   MAP,       INPUT_FONT_STYLE                    )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputPointSize",                   FLOAT,     INPUT_POINT_SIZE                    )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "underline",                        MAP,       UNDERLINE                           )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputUnderline",                   MAP,       INPUT_UNDERLINE                     )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "shadow",                           MAP,       SHADOW                              )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputShadow",                      MAP,       INPUT_SHADOW                        )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "emboss",                           MAP,       EMBOSS                              )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputEmboss",                      MAP,       INPUT_EMBOSS                        )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "outline",                          MAP,       OUTLINE                             )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputOutline",                     MAP,       INPUT_OUTLINE                       )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "hiddenInputSettings",              MAP,       HIDDEN_INPUT_SETTINGS               )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "pixelSize",                        FLOAT,     PIXEL_SIZE                          )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "enableSelection",                  BOOLEAN,   ENABLE_SELECTION                    )
 128 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholder",                      MAP,       PLACEHOLDER                         )
 129 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "ellipsis",                         BOOLEAN,   ELLIPSIS                            )
 130 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableShiftSelection",             BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 131 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableGrabHandle",                 BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 132 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "matchSystemLanguageDirection",     BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 133 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableGrabHandlePopup",            BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 134 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "textBackground",                   VECTOR4,   BACKGROUND                          )
 135 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextField, "selectedText",                     STRING,    SELECTED_TEXT                       )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "renderingBackend",                 INTEGER,   RENDERING_BACKEND                   )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "selectedTextStart",                INTEGER,   SELECTED_TEXT_START                 )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "selectedTextEnd",                  INTEGER,   SELECTED_TEXT_END                   )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableEditing",                    BOOLEAN,   ENABLE_EDITING                      )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "fontSizeScale",                    FLOAT,     FONT_SIZE_SCALE                     )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableFontSizeScale",              BOOLEAN,   ENABLE_FONT_SIZE_SCALE              )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "primaryCursorPosition",            INTEGER,   PRIMARY_CURSOR_POSITION             )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "grabHandleColor",                  VECTOR4,   GRAB_HANDLE_COLOR                   )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "inputFilter",                      MAP,       INPUT_FILTER                        )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "ellipsisPosition",                 INTEGER,   ELLIPSIS_POSITION                   )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "strikethrough",                    MAP,       STRIKETHROUGH                       )
 147 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "inputStrikethrough",               MAP,       INPUT_STRIKETHROUGH                 )
 148 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "characterSpacing",                 FLOAT,     CHARACTER_SPACING                   )
 149 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "selectionPopupStyle",              MAP,       SELECTION_POPUP_STYLE               )
 150
 151 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "textChanged",           SIGNAL_TEXT_CHANGED           )
 152 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 153 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 154 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 155 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 156 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 157 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 158 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 159 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionStarted",      SIGNAL_SELECTION_STARTED      )
 160
 161 DALI_TYPE_REGISTRATION_END()
 162 // clang-format on
 163
 164 Toolkit::TextField::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 165 {
 166   Toolkit::TextField::InputStyle::Mask fieldInputStyleMask = Toolkit::TextField::InputStyle::NONE;
 167
 168   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 169   {
 170     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::COLOR);
 171   }
 172   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 173   {
 174     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_FAMILY);
 175   }
 176   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 177   {
 178     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::POINT_SIZE);
 179   }
 180   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 181   {
 182     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 183   }
 184   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 185   {
 186     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 187   }
 188   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 189   {
 190     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 191   }
 192   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 193   {
 194     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::UNDERLINE);
 195   }
 196   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 197   {
 198     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::SHADOW);
 199   }
 200   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 201   {
 202     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::EMBOSS);
 203   }
 204   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 205   {
 206     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::OUTLINE);
 207   }
 208   return fieldInputStyleMask;
 209 }
 210
 211 } // namespace
 212
 213 Toolkit::TextField TextField::New(ControlBehaviour additionalBehaviour)
 214 {
 215   // Create the implementation, temporarily owned by this handle on stack
 216   IntrusivePtr<TextField> impl = new TextField(additionalBehaviour);
 217
 218   // Pass ownership to CustomActor handle
 219   Toolkit::TextField handle(*impl);
 220
 221   // Second-phase init of the implementation
 222   // This can only be done after the CustomActor connection has been made...
 223   impl->Initialize();
 224
 225   return handle;
 226 }
 227
 228 void TextField::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 229 {
 230   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 231
 232   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField SetProperty\n");
 233
 234   if(textField)
 235   {
 236     PropertyHandler::SetProperty(textField, index, value);
 237   }
 238 }
 239
 240 Property::Value TextField::GetProperty(BaseObject* object, Property::Index index)
 241 {
 242   Property::Value value;
 243
 244   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 245
 246   if(textField)
 247   {
 248     value = PropertyHandler::GetProperty(textField, index);
 249   }
 250
 251   return value;
 252 }
 253
 254 void TextField::SelectWholeText()
 255 {
 256   if(mController && mController->IsShowingRealText())
 257   {
 258     mController->SelectWholeText();
 259     SetKeyInputFocus();
 260   }
 261 }
 262
 263 void TextField::SelectNone()
 264 {
 265   if(mController && mController->IsShowingRealText())
 266   {
 267     mController->SelectNone();
 268   }
 269 }
 270
 271 void TextField::SelectText(const uint32_t start, const uint32_t end)
 272 {
 273   if(mController && mController->IsShowingRealText())
 274   {
 275     mController->SelectText(start, end);
 276     SetKeyInputFocus();
 277   }
 278 }
 279
 280 string TextField::GetSelectedText() const
 281 {
 282   string selectedText = "";
 283   if(mController && mController->IsShowingRealText())
 284   {
 285     selectedText = mController->GetSelectedText();
 286   }
 287   return selectedText;
 288 }
 289
 290 void TextField::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
 291 {
 292   if(mController && mController->IsShowingRealText())
 293   {
 294     mController->SetTextSelectionRange(start, end);
 295     SetKeyInputFocus();
 296   }
 297 }
 298
 299 Uint32Pair TextField::GetTextSelectionRange() const
 300 {
 301   Uint32Pair range;
 302   if(mController && mController->IsShowingRealText())
 303   {
 304     range = mController->GetTextSelectionRange();
 305   }
 306   return range;
 307 }
 308
 309 string TextField::CopyText()
 310 {
 311   string copiedText = "";
 312   if(mController && mController->IsShowingRealText())
 313   {
 314     copiedText = mController->CopyText();
 315   }
 316   return copiedText;
 317 }
 318
 319 string TextField::CutText()
 320 {
 321   string cutText = "";
 322   if(mController && mController->IsShowingRealText())
 323   {
 324     cutText = mController->CutText();
 325   }
 326   return cutText;
 327 }
 328
 329 void TextField::PasteText()
 330 {
 331   if(mController)
 332   {
 333     SetKeyInputFocus(); //Giving focus to the field that was passed to the PasteText in case the passed field (current field) doesn't have focus.
 334     mController->PasteText();
 335   }
 336 }
 337
 338 InputMethodContext TextField::GetInputMethodContext()
 339 {
 340   return mInputMethodContext;
 341 }
 342
 343 bool TextField::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 344 {
 345   Dali::BaseHandle handle(object);
 346
 347   bool               connected(true);
 348   Toolkit::TextField field = Toolkit::TextField::DownCast(handle);
 349
 350   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 351   {
 352     field.TextChangedSignal().Connect(tracker, functor);
 353   }
 354   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 355   {
 356     field.MaxLengthReachedSignal().Connect(tracker, functor);
 357   }
 358   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 359   {
 360     field.InputStyleChangedSignal().Connect(tracker, functor);
 361   }
 362   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 363   {
 364     if(field)
 365     {
 366       Internal::TextField& fieldImpl(GetImpl(field));
 367       fieldImpl.AnchorClickedSignal().Connect(tracker, functor);
 368     }
 369   }
 370   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 371   {
 372     if(field)
 373     {
 374       Internal::TextField& fieldImpl(GetImpl(field));
 375       fieldImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 376     }
 377   }
 378   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 379   {
 380     if(field)
 381     {
 382       Internal::TextField& fieldImpl(GetImpl(field));
 383       fieldImpl.InputFilteredSignal().Connect(tracker, functor);
 384     }
 385   }
 386   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 387   {
 388     if(field)
 389     {
 390       Internal::TextField& fieldImpl(GetImpl(field));
 391       fieldImpl.SelectionChangedSignal().Connect(tracker, functor);
 392     }
 393   }
 394   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 395   {
 396     if(field)
 397     {
 398       Internal::TextField& fieldImpl(GetImpl(field));
 399       fieldImpl.SelectionClearedSignal().Connect(tracker, functor);
 400     }
 401   }
 402   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_STARTED))
 403   {
 404     if(field)
 405     {
 406       Internal::TextField& fieldImpl(GetImpl(field));
 407       fieldImpl.SelectionStartedSignal().Connect(tracker, functor);
 408     }
 409   }
 410   else
 411   {
 412     // signalName does not match any signal
 413     connected = false;
 414   }
 415
 416   return connected;
 417 }
 418
 419 Toolkit::TextField::TextChangedSignalType& TextField::TextChangedSignal()
 420 {
 421   return mTextChangedSignal;
 422 }
 423
 424 Toolkit::TextField::MaxLengthReachedSignalType& TextField::MaxLengthReachedSignal()
 425 {
 426   return mMaxLengthReachedSignal;
 427 }
 428
 429 Toolkit::TextField::InputStyleChangedSignalType& TextField::InputStyleChangedSignal()
 430 {
 431   return mInputStyleChangedSignal;
 432 }
 433
 434 DevelTextField::AnchorClickedSignalType& TextField::AnchorClickedSignal()
 435 {
 436   return mAnchorClickedSignal;
 437 }
 438
 439 DevelTextField::CursorPositionChangedSignalType& TextField::CursorPositionChangedSignal()
 440 {
 441   return mCursorPositionChangedSignal;
 442 }
 443
 444 DevelTextField::InputFilteredSignalType& TextField::InputFilteredSignal()
 445 {
 446   return mInputFilteredSignal;
 447 }
 448
 449 DevelTextField::SelectionChangedSignalType& TextField::SelectionChangedSignal()
 450 {
 451   return mSelectionChangedSignal;
 452 }
 453
 454 DevelTextField::SelectionClearedSignalType& TextField::SelectionClearedSignal()
 455 {
 456   return mSelectionClearedSignal;
 457 }
 458
 459 DevelTextField::SelectionStartedSignalType& TextField::SelectionStartedSignal()
 460 {
 461   return mSelectionStartedSignal;
 462 }
 463
 464 void TextField::OnAccessibilityStatusChanged()
 465 {
 466   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 467 }
 468
 469 void TextField::OnInitialize()
 470 {
 471   Actor self = Self();
 472
 473   mController = Text::Controller::New(this, this, this, this);
 474
 475   // When using the vector-based rendering, the size of the GLyphs are different
 476   TextAbstraction::GlyphType glyphType = (DevelText::RENDERING_VECTOR_BASED == mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
 477   mController->SetGlyphType(glyphType);
 478
 479   mDecorator = Text::Decorator::New(*mController,
 480                                     *mController);
 481
 482   mInputMethodContext = InputMethodContext::New(self);
 483
 484   mController->GetLayoutEngine().SetLayout(Layout::Engine::SINGLE_LINE_BOX);
 485
 486   // Enables the text input.
 487   mController->EnableTextInput(mDecorator, mInputMethodContext);
 488
 489   // Enables the horizontal scrolling after the text input has been enabled.
 490   mController->SetHorizontalScrollEnabled(true);
 491
 492   // Disables the vertical scrolling.
 493   mController->SetVerticalScrollEnabled(false);
 494
 495   // Disable the smooth handle panning.
 496   mController->SetSmoothHandlePanEnabled(false);
 497
 498   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 499   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 500
 501   // Sets layoutDirection value
 502   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 503   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 504   mController->SetLayoutDirection(layoutDirection);
 505
 506   self.LayoutDirectionChangedSignal().Connect(this, &TextField::OnLayoutDirectionChanged);
 507
 508   // Forward input events to controller
 509   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 510   GetTapGestureDetector().SetMaximumTapsRequired(2);
 511   GetTapGestureDetector().ReceiveAllTapEvents(true);
 512
 513   self.TouchedSignal().Connect(this, &TextField::OnTouched);
 514
 515   // Set BoundingBox to stage size if not already set.
 516   Rect<int> boundingBox;
 517   mDecorator->GetBoundingBox(boundingBox);
 518
 519   if(boundingBox.IsEmpty())
 520   {
 521     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 522     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 523   }
 524
 525   // Flip vertically the 'left' selection handle
 526   mDecorator->FlipHandleVertically(LEFT_SELECTION_HANDLE, true);
 527
 528   // Fill-parent area by default
 529   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 530   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 531   self.OnSceneSignal().Connect(this, &TextField::OnSceneConnect);
 532
 533   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 534
 535   if(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy)
 536   {
 537     EnableClipping();
 538   }
 539
 540   // Accessibility
 541   self.SetProperty(DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::ENTRY);
 542   self.SetProperty(DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 543
 544   Accessibility::Bridge::EnabledSignal().Connect(this, &TextField::OnAccessibilityStatusChanged);
 545   Accessibility::Bridge::DisabledSignal().Connect(this, &TextField::OnAccessibilityStatusChanged);
 546 }
 547
 548 DevelControl::ControlAccessible* TextField::CreateAccessibleObject()
 549 {
 550   return new TextFieldAccessible(Self());
 551 }
 552
 553 void TextField::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 554 {
 555   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange\n");
 556
 557   switch(change)
 558   {
 559     case StyleChange::DEFAULT_FONT_CHANGE:
 560     {
 561       DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange DEFAULT_FONT_CHANGE\n");
 562       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 563       // Property system did not set the font so should update it.
 564       mController->UpdateAfterFontChange(newFont);
 565       RelayoutRequest();
 566       break;
 567     }
 568
 569     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 570     {
 571       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 572       RelayoutRequest();
 573       break;
 574     }
 575     case StyleChange::THEME_CHANGE:
 576     {
 577       // Nothing to do, let control base class handle this
 578       break;
 579     }
 580   }
 581
 582   // Up call to Control
 583   Control::OnStyleChange(styleManager, change);
 584 }
 585
 586 Vector3 TextField::GetNaturalSize()
 587 {
 588   Extents padding;
 589   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 590
 591   Vector3 naturalSize = mController->GetNaturalSize();
 592   naturalSize.width += (padding.start + padding.end);
 593   naturalSize.height += (padding.top + padding.bottom);
 594
 595   return naturalSize;
 596 }
 597
 598 float TextField::GetHeightForWidth(float width)
 599 {
 600   Extents padding;
 601   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 602   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 603 }
 604
 605 void TextField::ResizeActor(Actor& actor, const Vector2& size)
 606 {
 607   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 608   {
 609     actor.SetProperty(Actor::Property::SIZE, size);
 610   }
 611 }
 612
 613 void TextField::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
 614 {
 615   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnPropertySet index[%d]\n", index);
 616
 617   switch(index)
 618   {
 619     case DevelActor::Property::USER_INTERACTION_ENABLED:
 620     {
 621       const bool enabled = propertyValue.Get<bool>();
 622       mController->SetUserInteractionEnabled(enabled);
 623       if(mStencil)
 624       {
 625         float opacity = enabled ? 1.0f : mController->GetDisabledColorOpacity();
 626         mStencil.SetProperty(Actor::Property::OPACITY, opacity);
 627       }
 628       break;
 629     }
 630     default:
 631     {
 632       Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
 633       break;
 634     }
 635   }
 636 }
 637
 638 void TextField::OnRelayout(const Vector2& size, RelayoutContainer& container)
 639 {
 640   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField OnRelayout\n");
 641
 642   Actor self = Self();
 643
 644   Extents padding;
 645   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 646
 647   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 648
 649   // Support Right-To-Left of padding
 650   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 651
 652   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 653   {
 654     std::swap(padding.start, padding.end);
 655   }
 656
 657   if(mStencil)
 658   {
 659     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 660     ResizeActor(mStencil, contentSize);
 661   }
 662   if(mActiveLayer)
 663   {
 664     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 665     ResizeActor(mActiveLayer, contentSize);
 666   }
 667   if(mCursorLayer)
 668   {
 669     if(!mStencil)
 670     {
 671       // If there is a stencil, the cursor layer is added to the stencil in RenderText.
 672       // Do not calculate the position because the stencil has already been resized excluding the padding size.
 673       mCursorLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 674     }
 675     ResizeActor(mCursorLayer, contentSize);
 676   }
 677
 678   // If there is text changed, callback is called.
 679   if(mTextChanged)
 680   {
 681     EmitTextChangedSignal();
 682   }
 683
 684   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 685
 686   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 687      !mRenderer)
 688   {
 689     DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnRelayout %p Displaying new contents\n", mController.Get());
 690
 691     if(mDecorator &&
 692        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 693     {
 694       mDecorator->Relayout(contentSize, container);
 695     }
 696
 697     if(!mRenderer)
 698     {
 699       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 700     }
 701
 702     RenderText(updateTextType);
 703   }
 704
 705   if(mCursorPositionChanged)
 706   {
 707     EmitCursorPositionChangedSignal();
 708   }
 709
 710   if(mSelectionStarted)
 711   {
 712     EmitSelectionStartedSignal();
 713   }
 714
 715   if(mSelectionChanged)
 716   {
 717     EmitSelectionChangedSignal();
 718   }
 719
 720   if(mSelectionCleared)
 721   {
 722     EmitSelectionClearedSignal();
 723   }
 724
 725   // The text-field emits signals when the input style changes. These changes of style are
 726   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 727   // can't be emitted during the size negotiation as the callbacks may update the UI.
 728   // The text-field adds an idle callback to the adaptor to emit the signals after the size negotiation.
 729   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 730   {
 731     mController->RequestProcessInputStyleChangedSignals();
 732   }
 733 }
 734
 735 Text::ControllerPtr TextField::GetTextController()
 736 {
 737   return mController;
 738 }
 739
 740 void TextField::RenderText(Text::Controller::UpdateTextType updateTextType)
 741 {
 742   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mCursorLayer, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 743 }
 744
 745 void TextField::OnKeyInputFocusGained()
 746 {
 747   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyInputFocusGained %p\n", mController.Get());
 748   if(mInputMethodContext && IsEditable())
 749   {
 750     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 751     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 752     mInputMethodContext.NotifyTextInputMultiLine(false);
 753
 754     mInputMethodContext.StatusChangedSignal().Connect(this, &TextField::KeyboardStatusChanged);
 755
 756     mInputMethodContext.EventReceivedSignal().Connect(this, &TextField::OnInputMethodContextEvent);
 757
 758     // Notify that the text editing start.
 759     mInputMethodContext.Activate();
 760
 761     // When window gain lost focus, the inputMethodContext is deactivated. Thus when window gain focus again, the inputMethodContext must be activated.
 762     mInputMethodContext.SetRestoreAfterFocusLost(true);
 763   }
 764
 765   if(IsEditable() && mController->IsUserInteractionEnabled())
 766   {
 767     mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 768   }
 769
 770   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 771 }
 772
 773 void TextField::OnKeyInputFocusLost()
 774 {
 775   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField:OnKeyInputFocusLost %p\n", mController.Get());
 776   if(mInputMethodContext)
 777   {
 778     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextField::KeyboardStatusChanged);
 779     // The text editing is finished. Therefore the inputMethodContext don't have restore activation.
 780     mInputMethodContext.SetRestoreAfterFocusLost(false);
 781
 782     // Notify that the text editing finish.
 783     mInputMethodContext.Deactivate();
 784
 785     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextField::OnInputMethodContextEvent);
 786   }
 787
 788   mController->KeyboardFocusLostEvent();
 789
 790   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 791 }
 792
 793 bool TextField::OnAccessibilityActivated()
 794 {
 795   SetKeyInputFocus();
 796   return true;
 797 }
 798
 799 void TextField::OnTap(const TapGesture& gesture)
 800 {
 801   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnTap %p\n", mController.Get());
 802
 803   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 804   Extents padding;
 805   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 806   const Vector2& localPoint = gesture.GetLocalPoint();
 807   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 808   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 809
 810   Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 811   if(keyboardFocusManager)
 812   {
 813     keyboardFocusManager.SetCurrentFocusActor(Self());
 814   }
 815   SetKeyInputFocus();
 816 }
 817
 818 void TextField::OnPan(const PanGesture& gesture)
 819 {
 820   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 821   if(gesture.GetState() == GestureState::STARTED && !mController->IsScrollable(gesture.GetDisplacement()))
 822   {
 823     Dali::DevelActor::SetNeedGesturePropagation(Self(), true);
 824   }
 825 }
 826
 827 void TextField::OnLongPress(const LongPressGesture& gesture)
 828 {
 829   if(mInputMethodContext && IsEditable())
 830   {
 831     mInputMethodContext.Activate();
 832   }
 833   Extents padding;
 834   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 835   const Vector2& localPoint = gesture.GetLocalPoint();
 836   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 837
 838   SetKeyInputFocus();
 839 }
 840
 841 bool TextField::OnKeyEvent(const KeyEvent& event)
 842 {
 843   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 844
 845   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 846   {
 847     // Make sure ClearKeyInputFocus when only key is up
 848     if(event.GetState() == KeyEvent::UP)
 849     {
 850       Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 851       if(keyboardFocusManager)
 852       {
 853         keyboardFocusManager.ClearFocus();
 854       }
 855       ClearKeyInputFocus();
 856     }
 857
 858     return true;
 859   }
 860   else if(Dali::DevelKey::DALI_KEY_RETURN == event.GetKeyCode() && KEY_RETURN_NAME == event.GetKeyName())
 861   {
 862     // Do nothing when enter is comming.
 863     return false;
 864   }
 865
 866   return mController->KeyEvent(event);
 867 }
 868
 869 void TextField::RequestTextRelayout()
 870 {
 871   RelayoutRequest();
 872 }
 873
 874 bool TextField::IsEditable() const
 875 {
 876   return mController->IsEditable();
 877 }
 878
 879 void TextField::SetEditable(bool editable)
 880 {
 881   mController->SetEditable(editable);
 882   if(mInputMethodContext && !editable)
 883   {
 884     mInputMethodContext.Deactivate();
 885   }
 886 }
 887
 888 void TextField::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 889 {
 890   auto accessible = GetAccessibleObject();
 891   if(DALI_LIKELY(accessible))
 892   {
 893     accessible->EmitTextInserted(position, length, content);
 894   }
 895 }
 896
 897 void TextField::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 898 {
 899   auto accessible = GetAccessibleObject();
 900   if(DALI_LIKELY(accessible))
 901   {
 902     accessible->EmitTextDeleted(position, length, content);
 903   }
 904 }
 905
 906 void TextField::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 907 {
 908   auto accessible = GetAccessibleObject();
 909   if(DALI_LIKELY(accessible))
 910   {
 911     accessible->EmitTextCursorMoved(newPosition);
 912   }
 913
 914   if((oldPosition != newPosition) && !mCursorPositionChanged)
 915   {
 916     mCursorPositionChanged = true;
 917     mOldPosition           = oldPosition;
 918   }
 919 }
 920
 921 void TextField::TextChanged(bool immediate)
 922 {
 923   if(immediate) // Emits TextChangedSignal immediately
 924   {
 925     EmitTextChangedSignal();
 926   }
 927   else
 928   {
 929     mTextChanged = true;
 930   }
 931 }
 932
 933 void TextField::EmitTextChangedSignal()
 934 {
 935   Dali::Toolkit::TextField handle(GetOwner());
 936   mTextChangedSignal.Emit(handle);
 937   mTextChanged = false;
 938 }
 939
 940 void TextField::MaxLengthReached()
 941 {
 942   Dali::Toolkit::TextField handle(GetOwner());
 943   mMaxLengthReachedSignal.Emit(handle);
 944 }
 945
 946 void TextField::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 947 {
 948   Dali::Toolkit::TextField handle(GetOwner());
 949   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 950 }
 951
 952 void TextField::AnchorClicked(const std::string& href)
 953 {
 954   Dali::Toolkit::TextField handle(GetOwner());
 955   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 956 }
 957
 958 void TextField::EmitCursorPositionChangedSignal()
 959 {
 960   Dali::Toolkit::TextField handle(GetOwner());
 961   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 962   mCursorPositionChanged = false;
 963 }
 964
 965 void TextField::InputFiltered(Toolkit::InputFilter::Property::Type type)
 966 {
 967   Dali::Toolkit::TextField handle(GetOwner());
 968   mInputFilteredSignal.Emit(handle, type);
 969 }
 970
 971 void TextField::EmitSelectionChangedSignal()
 972 {
 973   Dali::Toolkit::TextField handle(GetOwner());
 974   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 975   mSelectionChanged = false;
 976 }
 977
 978 void TextField::EmitSelectionClearedSignal()
 979 {
 980   Dali::Toolkit::TextField handle(GetOwner());
 981   mSelectionClearedSignal.Emit(handle);
 982   mSelectionCleared = false;
 983 }
 984
 985 void TextField::EmitSelectionStartedSignal()
 986 {
 987   Dali::Toolkit::TextField handle(GetOwner());
 988   mSelectionStartedSignal.Emit(handle);
 989   mSelectionStarted = false;
 990 }
 991
 992 void TextField::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
 993 {
 994   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
 995   {
 996     if(newStart == newEnd)
 997     {
 998       mSelectionCleared = true;
 999     }
1000     else
1001     {
1002       if(oldStart == oldEnd)
1003       {
1004         mSelectionStarted = true;
1005       }
1006     }
1007
1008     mSelectionChanged  = true;
1009     mOldSelectionStart = oldStart;
1010     mOldSelectionEnd   = oldEnd;
1011
1012     if(mOldSelectionStart > mOldSelectionEnd)
1013     {
1014       //swap
1015       uint32_t temp      = mOldSelectionStart;
1016       mOldSelectionStart = mOldSelectionEnd;
1017       mOldSelectionEnd   = temp;
1018     }
1019   }
1020 }
1021
1022 void TextField::AddDecoration(Actor& actor, DecorationType type, bool needsClipping)
1023 {
1024   if(actor)
1025   {
1026     if(needsClipping)
1027     {
1028       mClippingDecorationActors.push_back(actor);
1029     }
1030
1031     // If the actor is a layer type, add it.
1032     if(type == DecorationType::ACTIVE_LAYER)
1033     {
1034       AddLayer(mActiveLayer, actor);
1035     }
1036     else if(type == DecorationType::CURSOR_LAYER)
1037     {
1038       AddLayer(mCursorLayer, actor);
1039     }
1040   }
1041 }
1042
1043 void TextField::AddLayer(Actor& layer, Actor& actor)
1044 {
1045   actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1046   actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1047   Self().Add(actor);
1048   layer = actor;
1049 }
1050
1051 void TextField::GetControlBackgroundColor(Vector4& color) const
1052 {
1053   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1054   Property::Map*  resultMap = propValue.GetMap();
1055
1056   Property::Value* colorValue = nullptr;
1057   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1058   {
1059     colorValue->Get(color);
1060   }
1061 }
1062
1063 void TextField::OnSceneConnect(Dali::Actor actor)
1064 {
1065   if(mHasBeenStaged)
1066   {
1067     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1068   }
1069   else
1070   {
1071     mHasBeenStaged = true;
1072   }
1073 }
1074
1075 InputMethodContext::CallbackData TextField::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1076 {
1077   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1078   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1079 }
1080
1081 void TextField::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1082 {
1083   if(mDecorator)
1084   {
1085     Property::Map map;
1086     map[PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1087
1088     value = map;
1089   }
1090 }
1091
1092 void TextField::EnableClipping()
1093 {
1094   if(!mStencil)
1095   {
1096     // Creates an extra control to be used as stencil buffer.
1097     mStencil = Control::New();
1098     mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1099     mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1100     mStencil.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIDDEN, true);
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::KeyboardStatusChanged(bool keyboardShown)
1115 {
1116   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1117
1118   // Just hide the grab handle when keyboard is hidden.
1119   if(!keyboardShown)
1120   {
1121     mController->KeyboardFocusLostEvent();
1122   }
1123   else
1124   {
1125     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1126   }
1127 }
1128
1129 void TextField::OnSceneConnection(int depth)
1130 {
1131   // Sets the depth to the visuals inside the text's decorator.
1132   mDecorator->SetTextDepth(depth);
1133
1134   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1135
1136   // Call the Control::OnSceneConnection() to set the depth of the background.
1137   Control::OnSceneConnection(depth);
1138 }
1139
1140 bool TextField::OnTouched(Actor actor, const TouchEvent& touch)
1141 {
1142   return false;
1143 }
1144
1145 void TextField::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1146 {
1147   mController->ChangedLayoutDirection();
1148 }
1149
1150 TextField::TextField(ControlBehaviour additionalBehaviour)
1151 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT | additionalBehaviour)),
1152   mAlignmentOffset(0.f),
1153   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1154   mExceedPolicy(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP),
1155   mHasBeenStaged(false),
1156   mTextChanged(false),
1157   mCursorPositionChanged(false),
1158   mSelectionChanged(false),
1159   mSelectionCleared(false),
1160   mOldPosition(0u),
1161   mOldSelectionStart(0u),
1162   mOldSelectionEnd(0u),
1163   mSelectionStarted(false)
1164 {
1165 }
1166
1167 TextField::~TextField()
1168 {
1169   UnparentAndReset(mStencil);
1170 }
1171
1172 Vector<Vector2> TextField::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
1173 {
1174   return mController->GetTextSize(startIndex, endIndex);
1175 }
1176
1177 Vector<Vector2> TextField::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
1178 {
1179   return mController->GetTextPosition(startIndex, endIndex);
1180 }
1181
1182 Rect<float> TextField::GetLineBoundingRectangle(const uint32_t lineIndex) const
1183 {
1184   return mController->GetLineBoundingRectangle(lineIndex);
1185 }
1186
1187 Rect<float> TextField::GetCharacterBoundingRectangle(const uint32_t charIndex) const
1188 {
1189   return mController->GetCharacterBoundingRectangle(charIndex);
1190 }
1191
1192 int TextField::GetCharacterIndexAtPosition(float visualX, float visualY) const
1193 {
1194   return mController->GetCharacterIndexAtPosition(visualX, visualY);
1195 }
1196
1197 Rect<> TextField::GetTextBoundingRectangle(uint32_t startIndex, uint32_t endIndex) const
1198 {
1199   return mController->GetTextBoundingRectangle(startIndex, endIndex);
1200 }
1201
1202 void TextField::SetSpannedText(const Text::Spanned& spannedText)
1203 {
1204   mController->SetSpannedText(spannedText);
1205 }
1206
1207 std::string TextField::TextFieldAccessible::GetName() const
1208 {
1209   if(IsHiddenInput())
1210   {
1211     return {};
1212   }
1213
1214   return GetWholeText();
1215 }
1216
1217 const std::vector<Toolkit::TextAnchor>& TextField::TextFieldAccessible::GetTextAnchors() const
1218 {
1219   auto self = Toolkit::TextField::DownCast(Self());
1220
1221   return Toolkit::GetImpl(self).mAnchorActors;
1222 }
1223
1224 Toolkit::Text::ControllerPtr TextField::TextFieldAccessible::GetTextController() const
1225 {
1226   auto self = Toolkit::TextField::DownCast(Self());
1227
1228   return Toolkit::GetImpl(self).GetTextController();
1229 }
1230
1231 std::uint32_t TextField::TextFieldAccessible::GetSubstituteCharacter() const
1232 {
1233   auto self                = Toolkit::TextField::DownCast(Self());
1234   auto hiddenInputSettings = self.GetProperty<Property::Map>(Toolkit::TextField::Property::HIDDEN_INPUT_SETTINGS);
1235   auto substChar           = hiddenInputSettings.Find(Toolkit::HiddenInput::Property::SUBSTITUTE_CHARACTER);
1236
1237   if(substChar)
1238   {
1239     return static_cast<std::uint32_t>(substChar->Get<int>());
1240   }
1241
1242   return TextControlAccessible::GetSubstituteCharacter();
1243 }
1244
1245 bool TextField::TextFieldAccessible::IsHiddenInput() const
1246 {
1247   auto self                = Toolkit::TextField::DownCast(Self());
1248   auto hiddenInputSettings = self.GetProperty<Property::Map>(Toolkit::TextField::Property::HIDDEN_INPUT_SETTINGS);
1249   auto mode                = hiddenInputSettings.Find(Toolkit::HiddenInput::Property::MODE);
1250
1251   return (mode && (mode->Get<int>() != Toolkit::HiddenInput::Mode::HIDE_NONE));
1252 }
1253
1254 void TextField::TextFieldAccessible::RequestTextRelayout()
1255 {
1256   auto  self     = Toolkit::TextField::DownCast(Self());
1257   auto& selfImpl = Toolkit::GetImpl(self);
1258
1259   selfImpl.RequestTextRelayout();
1260 }
1261
1262 } // namespace Internal
1263
1264 } // namespace Toolkit
1265
1266 } // namespace Dali