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

   1 /*
   2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali-toolkit/internal/controls/text-controls/text-field-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/devel-api/actors/actor-devel.h>
  23 #include <dali/devel-api/adaptor-framework/key-devel.h>
  24 #include <dali/devel-api/common/stage.h>
  25 #include <dali/devel-api/object/property-helper-devel.h>
  26 #include <dali/integration-api/debug.h>
  27 #include <dali/public-api/actors/layer.h>
  28 #include <dali/public-api/adaptor-framework/key.h>
  29 #include <dali/public-api/common/dali-common.h>
  30 #include <dali/public-api/object/type-registry-helper.h>
  31 #include <cstring>
  32
  33 // INTERNAL INCLUDES
  34 #include <dali-toolkit/devel-api/controls/control-devel.h>
  35 #include <dali-toolkit/devel-api/controls/text-controls/text-field-devel.h>
  36 #include <dali-toolkit/devel-api/focus-manager/keyinput-focus-manager.h>
  37 #include <dali-toolkit/devel-api/text/rendering-backend.h>
  38 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  39 #include <dali-toolkit/internal/controls/text-controls/text-field-property-handler.h>
  40 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  41 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  42 #include <dali-toolkit/internal/text/text-effects-style.h>
  43 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  44 #include <dali-toolkit/internal/text/text-font-style.h>
  45 #include <dali-toolkit/internal/text/text-view.h>
  46 #include <dali-toolkit/public-api/text/text-enumerations.h>
  47 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  48 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  49 #include <dali/integration-api/adaptor-framework/adaptor.h>
  50
  51 using namespace Dali::Toolkit::Text;
  52
  53 #if defined(DEBUG_ENABLED)
  54 Debug::Filter* gTextFieldLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  55 #endif
  56
  57 namespace Dali
  58 {
  59 namespace Toolkit
  60 {
  61 namespace Internal
  62 {
  63 namespace // unnamed namespace
  64 {
  65 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  66 } // unnamed namespace
  67
  68 namespace
  69 {
  70 // Type registration
  71 BaseHandle Create()
  72 {
  73   return Toolkit::TextField::New();
  74 }
  75
  76 // clang-format off
  77 // Setup properties, signals and actions using the type-registry.
  78 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::TextField, Toolkit::Control, Create );
  79
  80 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "text",                             STRING,    TEXT                                )
  81 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholderText",                  STRING,    PLACEHOLDER_TEXT                    )
  82 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholderTextFocused",           STRING,    PLACEHOLDER_TEXT_FOCUSED            )
  83 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "fontFamily",                       STRING,    FONT_FAMILY                         )
  84 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "fontStyle",                        MAP,       FONT_STYLE                          )
  85 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "pointSize",                        FLOAT,     POINT_SIZE                          )
  86 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "maxLength",                        INTEGER,   MAX_LENGTH                          )
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "exceedPolicy",                     INTEGER,   EXCEED_POLICY                       )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "horizontalAlignment",              STRING,    HORIZONTAL_ALIGNMENT                )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "verticalAlignment",                STRING,    VERTICAL_ALIGNMENT                  )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "textColor",                        VECTOR4,   TEXT_COLOR                          )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholderTextColor",             VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "primaryCursorColor",               VECTOR4,   PRIMARY_CURSOR_COLOR                )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "secondaryCursorColor",             VECTOR4,   SECONDARY_CURSOR_COLOR              )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "enableCursorBlink",                BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "cursorBlinkInterval",              FLOAT,     CURSOR_BLINK_INTERVAL               )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "cursorBlinkDuration",              FLOAT,     CURSOR_BLINK_DURATION               )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "cursorWidth",                      INTEGER,   CURSOR_WIDTH                        )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "grabHandleImage",                  STRING,    GRAB_HANDLE_IMAGE                   )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "grabHandlePressedImage",           STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "scrollThreshold",                  FLOAT,     SCROLL_THRESHOLD                    )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "scrollSpeed",                      FLOAT,     SCROLL_SPEED                        )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleImageLeft",         MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleImageRight",        MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandlePressedImageLeft",  MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandlePressedImageRight", MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleMarkerImageLeft",   MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHandleMarkerImageRight",  MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "selectionHighlightColor",          VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "decorationBoundingBox",            RECTANGLE, DECORATION_BOUNDING_BOX             )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputMethodSettings",              MAP,       INPUT_METHOD_SETTINGS               )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputColor",                       VECTOR4,   INPUT_COLOR                         )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "enableMarkup",                     BOOLEAN,   ENABLE_MARKUP                       )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputFontFamily",                  STRING,    INPUT_FONT_FAMILY                   )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputFontStyle",                   MAP,       INPUT_FONT_STYLE                    )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputPointSize",                   FLOAT,     INPUT_POINT_SIZE                    )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "underline",                        MAP,       UNDERLINE                           )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputUnderline",                   MAP,       INPUT_UNDERLINE                     )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "shadow",                           MAP,       SHADOW                              )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputShadow",                      MAP,       INPUT_SHADOW                        )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "emboss",                           MAP,       EMBOSS                              )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputEmboss",                      MAP,       INPUT_EMBOSS                        )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "outline",                          MAP,       OUTLINE                             )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "inputOutline",                     MAP,       INPUT_OUTLINE                       )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "hiddenInputSettings",              MAP,       HIDDEN_INPUT_SETTINGS               )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "pixelSize",                        FLOAT,     PIXEL_SIZE                          )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "enableSelection",                  BOOLEAN,   ENABLE_SELECTION                    )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "placeholder",                      MAP,       PLACEHOLDER                         )
 128 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextField, "ellipsis",                         BOOLEAN,   ELLIPSIS                            )
 129 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableShiftSelection",             BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 130 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableGrabHandle",                 BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 131 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "matchSystemLanguageDirection",     BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 132 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableGrabHandlePopup",            BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 133 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "textBackground",                   VECTOR4,   BACKGROUND                          )
 134 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextField, "selectedText",                     STRING,    SELECTED_TEXT                       )
 135 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "renderingBackend",                 INTEGER,   RENDERING_BACKEND                   )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "selectedTextStart",                INTEGER,   SELECTED_TEXT_START                 )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "selectedTextEnd",                  INTEGER,   SELECTED_TEXT_END                   )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableEditing",                    BOOLEAN,   ENABLE_EDITING                      )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "fontSizeScale",                    FLOAT,     FONT_SIZE_SCALE                     )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "enableFontSizeScale",              BOOLEAN,   ENABLE_FONT_SIZE_SCALE              )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "primaryCursorPosition",            INTEGER,   PRIMARY_CURSOR_POSITION             )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "grabHandleColor",                  VECTOR4,   GRAB_HANDLE_COLOR                   )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "inputFilter",                      MAP,       INPUT_FILTER                        )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "ellipsisPosition",                 INTEGER,   ELLIPSIS_POSITION                   )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "strikethrough",                    MAP,       STRIKETHROUGH                       )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "inputStrikethrough",               MAP,       INPUT_STRIKETHROUGH                 )
 147 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "characterSpacing",                 FLOAT,     CHARACTER_SPACING                   )
 148
 149 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "textChanged",           SIGNAL_TEXT_CHANGED           )
 150 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 151 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 152 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 153 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 154 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 155 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 156 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 157 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionStarted",      SIGNAL_SELECTION_STARTED      )
 158
 159 DALI_TYPE_REGISTRATION_END()
 160 // clang-format on
 161
 162 Toolkit::TextField::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 163 {
 164   Toolkit::TextField::InputStyle::Mask fieldInputStyleMask = Toolkit::TextField::InputStyle::NONE;
 165
 166   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 167   {
 168     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::COLOR);
 169   }
 170   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 171   {
 172     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_FAMILY);
 173   }
 174   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 175   {
 176     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::POINT_SIZE);
 177   }
 178   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 179   {
 180     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 181   }
 182   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 183   {
 184     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 185   }
 186   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 187   {
 188     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 189   }
 190   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 191   {
 192     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::UNDERLINE);
 193   }
 194   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 195   {
 196     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::SHADOW);
 197   }
 198   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 199   {
 200     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::EMBOSS);
 201   }
 202   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 203   {
 204     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::OUTLINE);
 205   }
 206   return fieldInputStyleMask;
 207 }
 208
 209 bool IsHiddenInput(Toolkit::TextField textField)
 210 {
 211   Property::Map hiddenInputSettings = textField.GetProperty<Property::Map>(Toolkit::TextField::Property::HIDDEN_INPUT_SETTINGS);
 212   auto          mode                = hiddenInputSettings.Find(Toolkit::HiddenInput::Property::MODE);
 213   if(mode && (mode->Get<int>() != Toolkit::HiddenInput::Mode::HIDE_NONE))
 214   {
 215     return true;
 216   }
 217   return false;
 218 }
 219
 220 char GetSubstituteCharacter(Toolkit::TextField textField)
 221 {
 222   Property::Map hiddenInputSettings = textField.GetProperty<Property::Map>(Toolkit::TextField::Property::HIDDEN_INPUT_SETTINGS);
 223   auto          substChar           = hiddenInputSettings.Find(Toolkit::HiddenInput::Property::SUBSTITUTE_CHARACTER);
 224   if(substChar)
 225   {
 226     return static_cast<char>(substChar->Get<int>());
 227   }
 228   return STAR;
 229 }
 230
 231 } // namespace
 232
 233 Toolkit::TextField TextField::New()
 234 {
 235   // Create the implementation, temporarily owned by this handle on stack
 236   IntrusivePtr<TextField> impl = new TextField();
 237
 238   // Pass ownership to CustomActor handle
 239   Toolkit::TextField handle(*impl);
 240
 241   // Second-phase init of the implementation
 242   // This can only be done after the CustomActor connection has been made...
 243   impl->Initialize();
 244
 245   return handle;
 246 }
 247
 248 void TextField::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 249 {
 250   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 251
 252   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField SetProperty\n");
 253
 254   if(textField)
 255   {
 256     PropertyHandler::SetProperty(textField, index, value);
 257   }
 258 }
 259
 260 Property::Value TextField::GetProperty(BaseObject* object, Property::Index index)
 261 {
 262   Property::Value value;
 263
 264   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 265
 266   if(textField)
 267   {
 268     value = PropertyHandler::GetProperty(textField, index);
 269   }
 270
 271   return value;
 272 }
 273
 274 void TextField::SelectWholeText()
 275 {
 276   if(mController && mController->IsShowingRealText())
 277   {
 278     mController->SelectWholeText();
 279     SetKeyInputFocus();
 280   }
 281 }
 282
 283 void TextField::SelectNone()
 284 {
 285   if(mController && mController->IsShowingRealText())
 286   {
 287     mController->SelectNone();
 288   }
 289 }
 290
 291 void TextField::SelectText(const uint32_t start, const uint32_t end)
 292 {
 293   if(mController && mController->IsShowingRealText())
 294   {
 295     mController->SelectText(start, end);
 296     SetKeyInputFocus();
 297   }
 298 }
 299
 300 string TextField::GetSelectedText() const
 301 {
 302   string selectedText = "";
 303   if(mController && mController->IsShowingRealText())
 304   {
 305     selectedText = mController->GetSelectedText();
 306   }
 307   return selectedText;
 308 }
 309
 310 void TextField::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
 311 {
 312   if(mController && mController->IsShowingRealText())
 313   {
 314     mController->SetTextSelectionRange(start, end);
 315     SetKeyInputFocus();
 316   }
 317 }
 318
 319 Uint32Pair TextField::GetTextSelectionRange() const
 320 {
 321   Uint32Pair range;
 322   if(mController && mController->IsShowingRealText())
 323   {
 324     range = mController->GetTextSelectionRange();
 325   }
 326   return range;
 327 }
 328
 329 string TextField::CopyText()
 330 {
 331   string copiedText = "";
 332   if(mController && mController->IsShowingRealText())
 333   {
 334     copiedText = mController->CopyText();
 335   }
 336   return copiedText;
 337 }
 338
 339 string TextField::CutText()
 340 {
 341   string cutText = "";
 342   if(mController && mController->IsShowingRealText())
 343   {
 344     cutText = mController->CutText();
 345   }
 346   return cutText;
 347 }
 348
 349 void TextField::PasteText()
 350 {
 351   if(mController)
 352   {
 353     SetKeyInputFocus(); //Giving focus to the field that was passed to the PasteText in case the passed field (current field) doesn't have focus.
 354     mController->PasteText();
 355   }
 356 }
 357
 358 InputMethodContext TextField::GetInputMethodContext()
 359 {
 360   return mInputMethodContext;
 361 }
 362
 363 bool TextField::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 364 {
 365   Dali::BaseHandle handle(object);
 366
 367   bool               connected(true);
 368   Toolkit::TextField field = Toolkit::TextField::DownCast(handle);
 369
 370   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 371   {
 372     field.TextChangedSignal().Connect(tracker, functor);
 373   }
 374   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 375   {
 376     field.MaxLengthReachedSignal().Connect(tracker, functor);
 377   }
 378   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 379   {
 380     field.InputStyleChangedSignal().Connect(tracker, functor);
 381   }
 382   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 383   {
 384     if(field)
 385     {
 386       Internal::TextField& fieldImpl(GetImpl(field));
 387       fieldImpl.AnchorClickedSignal().Connect(tracker, functor);
 388     }
 389   }
 390   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 391   {
 392     if(field)
 393     {
 394       Internal::TextField& fieldImpl(GetImpl(field));
 395       fieldImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 396     }
 397   }
 398   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 399   {
 400     if(field)
 401     {
 402       Internal::TextField& fieldImpl(GetImpl(field));
 403       fieldImpl.InputFilteredSignal().Connect(tracker, functor);
 404     }
 405   }
 406   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 407   {
 408     if(field)
 409     {
 410       Internal::TextField& fieldImpl(GetImpl(field));
 411       fieldImpl.SelectionChangedSignal().Connect(tracker, functor);
 412     }
 413   }
 414   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 415   {
 416     if(field)
 417     {
 418       Internal::TextField& fieldImpl(GetImpl(field));
 419       fieldImpl.SelectionClearedSignal().Connect(tracker, functor);
 420     }
 421   }
 422   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_STARTED))
 423   {
 424     if(field)
 425     {
 426       Internal::TextField& fieldImpl(GetImpl(field));
 427       fieldImpl.SelectionStartedSignal().Connect(tracker, functor);
 428     }
 429   }
 430   else
 431   {
 432     // signalName does not match any signal
 433     connected = false;
 434   }
 435
 436   return connected;
 437 }
 438
 439 Toolkit::TextField::TextChangedSignalType& TextField::TextChangedSignal()
 440 {
 441   return mTextChangedSignal;
 442 }
 443
 444 Toolkit::TextField::MaxLengthReachedSignalType& TextField::MaxLengthReachedSignal()
 445 {
 446   return mMaxLengthReachedSignal;
 447 }
 448
 449 Toolkit::TextField::InputStyleChangedSignalType& TextField::InputStyleChangedSignal()
 450 {
 451   return mInputStyleChangedSignal;
 452 }
 453
 454 DevelTextField::AnchorClickedSignalType& TextField::AnchorClickedSignal()
 455 {
 456   return mAnchorClickedSignal;
 457 }
 458
 459 DevelTextField::CursorPositionChangedSignalType& TextField::CursorPositionChangedSignal()
 460 {
 461   return mCursorPositionChangedSignal;
 462 }
 463
 464 DevelTextField::InputFilteredSignalType& TextField::InputFilteredSignal()
 465 {
 466   return mInputFilteredSignal;
 467 }
 468
 469 DevelTextField::SelectionChangedSignalType& TextField::SelectionChangedSignal()
 470 {
 471   return mSelectionChangedSignal;
 472 }
 473
 474 DevelTextField::SelectionClearedSignalType& TextField::SelectionClearedSignal()
 475 {
 476   return mSelectionClearedSignal;
 477 }
 478
 479 DevelTextField::SelectionStartedSignalType& TextField::SelectionStartedSignal()
 480 {
 481   return mSelectionStartedSignal;
 482 }
 483
 484 void TextField::OnAccessibilityStatusChanged()
 485 {
 486   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 487 }
 488
 489 void TextField::OnInitialize()
 490 {
 491   Actor self = Self();
 492
 493   mController = Text::Controller::New(this, this, this, this);
 494
 495   // When using the vector-based rendering, the size of the GLyphs are different
 496   TextAbstraction::GlyphType glyphType = (DevelText::RENDERING_VECTOR_BASED == mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
 497   mController->SetGlyphType(glyphType);
 498
 499   mDecorator = Text::Decorator::New(*mController,
 500                                     *mController);
 501
 502   mInputMethodContext = InputMethodContext::New(self);
 503
 504   mController->GetLayoutEngine().SetLayout(Layout::Engine::SINGLE_LINE_BOX);
 505
 506   // Enables the text input.
 507   mController->EnableTextInput(mDecorator, mInputMethodContext);
 508
 509   // Enables the horizontal scrolling after the text input has been enabled.
 510   mController->SetHorizontalScrollEnabled(true);
 511
 512   // Disables the vertical scrolling.
 513   mController->SetVerticalScrollEnabled(false);
 514
 515   // Disable the smooth handle panning.
 516   mController->SetSmoothHandlePanEnabled(false);
 517
 518   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 519   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 520
 521   // Sets layoutDirection value
 522   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 523   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 524   mController->SetLayoutDirection(layoutDirection);
 525
 526   self.LayoutDirectionChangedSignal().Connect(this, &TextField::OnLayoutDirectionChanged);
 527
 528   // Forward input events to controller
 529   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 530   GetTapGestureDetector().SetMaximumTapsRequired(2);
 531   GetTapGestureDetector().ReceiveAllTapEvents(true);
 532
 533   self.TouchedSignal().Connect(this, &TextField::OnTouched);
 534
 535   // Set BoundingBox to stage size if not already set.
 536   Rect<int> boundingBox;
 537   mDecorator->GetBoundingBox(boundingBox);
 538
 539   if(boundingBox.IsEmpty())
 540   {
 541     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 542     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 543   }
 544
 545   // Flip vertically the 'left' selection handle
 546   mDecorator->FlipHandleVertically(LEFT_SELECTION_HANDLE, true);
 547
 548   // Fill-parent area by default
 549   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 550   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 551   self.OnSceneSignal().Connect(this, &TextField::OnSceneConnect);
 552
 553   //Enable highightability
 554   self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 555
 556   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 557
 558   if(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy)
 559   {
 560     EnableClipping();
 561   }
 562
 563   DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
 564     return std::make_unique<TextFieldAccessible>(actor, Dali::Accessibility::Role::ENTRY);
 565   });
 566
 567   Accessibility::Bridge::EnabledSignal().Connect(this, &TextField::OnAccessibilityStatusChanged);
 568   Accessibility::Bridge::DisabledSignal().Connect(this, &TextField::OnAccessibilityStatusChanged);
 569 }
 570
 571 void TextField::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 572 {
 573   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange\n");
 574
 575   switch(change)
 576   {
 577     case StyleChange::DEFAULT_FONT_CHANGE:
 578     {
 579       DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange DEFAULT_FONT_CHANGE\n");
 580       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 581       // Property system did not set the font so should update it.
 582       mController->UpdateAfterFontChange(newFont);
 583       RelayoutRequest();
 584       break;
 585     }
 586
 587     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 588     {
 589       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 590       RelayoutRequest();
 591       break;
 592     }
 593     case StyleChange::THEME_CHANGE:
 594     {
 595       // Nothing to do, let control base class handle this
 596       break;
 597     }
 598   }
 599
 600   // Up call to Control
 601   Control::OnStyleChange(styleManager, change);
 602 }
 603
 604 Vector3 TextField::GetNaturalSize()
 605 {
 606   Extents padding;
 607   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 608
 609   Vector3 naturalSize = mController->GetNaturalSize();
 610   naturalSize.width += (padding.start + padding.end);
 611   naturalSize.height += (padding.top + padding.bottom);
 612
 613   return naturalSize;
 614 }
 615
 616 float TextField::GetHeightForWidth(float width)
 617 {
 618   Extents padding;
 619   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 620   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 621 }
 622
 623 void TextField::ResizeActor(Actor& actor, const Vector2& size)
 624 {
 625   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 626   {
 627     actor.SetProperty(Actor::Property::SIZE, size);
 628   }
 629 }
 630
 631 void TextField::OnRelayout(const Vector2& size, RelayoutContainer& container)
 632 {
 633   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField OnRelayout\n");
 634
 635   Actor self = Self();
 636
 637   Extents padding;
 638   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 639
 640   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 641
 642   // Support Right-To-Left of padding
 643   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 644
 645   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 646   {
 647     std::swap(padding.start, padding.end);
 648   }
 649
 650   if(mStencil)
 651   {
 652     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 653     ResizeActor(mStencil, contentSize);
 654   }
 655   if(mActiveLayer)
 656   {
 657     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 658     ResizeActor(mActiveLayer, contentSize);
 659   }
 660   if(mCursorLayer)
 661   {
 662     mCursorLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 663     ResizeActor(mCursorLayer, contentSize);
 664   }
 665
 666   // If there is text changed, callback is called.
 667   if(mTextChanged)
 668   {
 669     EmitTextChangedSignal();
 670   }
 671
 672   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 673
 674   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 675      !mRenderer)
 676   {
 677     DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnRelayout %p Displaying new contents\n", mController.Get());
 678
 679     if(mDecorator &&
 680        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 681     {
 682       mDecorator->Relayout(contentSize);
 683     }
 684
 685     if(!mRenderer)
 686     {
 687       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 688     }
 689
 690     RenderText(updateTextType);
 691   }
 692
 693   if(mCursorPositionChanged)
 694   {
 695     EmitCursorPositionChangedSignal();
 696   }
 697
 698   if(mSelectionStarted)
 699   {
 700     EmitSelectionStartedSignal();
 701   }
 702
 703   if(mSelectionChanged)
 704   {
 705     EmitSelectionChangedSignal();
 706   }
 707
 708   if(mSelectionCleared)
 709   {
 710     EmitSelectionClearedSignal();
 711   }
 712
 713   // The text-field emits signals when the input style changes. These changes of style are
 714   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 715   // can't be emitted during the size negotiation as the callbacks may update the UI.
 716   // The text-field adds an idle callback to the adaptor to emit the signals after the size negotiation.
 717   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 718   {
 719     if(Adaptor::IsAvailable())
 720     {
 721       Adaptor& adaptor = Adaptor::Get();
 722
 723       if(NULL == mIdleCallback)
 724       {
 725         // @note: The callback manager takes the ownership of the callback object.
 726         mIdleCallback = MakeCallback(this, &TextField::OnIdleSignal);
 727         adaptor.AddIdle(mIdleCallback, false);
 728       }
 729     }
 730   }
 731 }
 732
 733 Text::ControllerPtr TextField::GetTextController()
 734 {
 735   return mController;
 736 }
 737
 738 void TextField::RenderText(Text::Controller::UpdateTextType updateTextType)
 739 {
 740   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 741 }
 742
 743 void TextField::OnKeyInputFocusGained()
 744 {
 745   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyInputFocusGained %p\n", mController.Get());
 746   if(mInputMethodContext && IsEditable())
 747   {
 748     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 749     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 750     mInputMethodContext.NotifyTextInputMultiLine(false);
 751
 752     mInputMethodContext.StatusChangedSignal().Connect(this, &TextField::KeyboardStatusChanged);
 753
 754     mInputMethodContext.EventReceivedSignal().Connect(this, &TextField::OnInputMethodContextEvent);
 755
 756     // Notify that the text editing start.
 757     mInputMethodContext.Activate();
 758
 759     // When window gain lost focus, the inputMethodContext is deactivated. Thus when window gain focus again, the inputMethodContext must be activated.
 760     mInputMethodContext.SetRestoreAfterFocusLost(true);
 761   }
 762   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 763
 764   if(notifier)
 765   {
 766     notifier.ContentSelectedSignal().Connect(this, &TextField::OnClipboardTextSelected);
 767   }
 768
 769   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 770
 771   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 772 }
 773
 774 void TextField::OnKeyInputFocusLost()
 775 {
 776   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField:OnKeyInputFocusLost %p\n", mController.Get());
 777   if(mInputMethodContext)
 778   {
 779     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextField::KeyboardStatusChanged);
 780     // The text editing is finished. Therefore the inputMethodContext don't have restore activation.
 781     mInputMethodContext.SetRestoreAfterFocusLost(false);
 782
 783     // Notify that the text editing finish.
 784     mInputMethodContext.Deactivate();
 785
 786     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextField::OnInputMethodContextEvent);
 787   }
 788   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 789
 790   if(notifier)
 791   {
 792     notifier.ContentSelectedSignal().Disconnect(this, &TextField::OnClipboardTextSelected);
 793   }
 794
 795   mController->KeyboardFocusLostEvent();
 796
 797   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 798 }
 799
 800 bool TextField::OnAccessibilityActivated()
 801 {
 802   SetKeyInputFocus();
 803   return true;
 804 }
 805
 806 void TextField::OnTap(const TapGesture& gesture)
 807 {
 808   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnTap %p\n", mController.Get());
 809   if(mInputMethodContext && IsEditable())
 810   {
 811     mInputMethodContext.Activate();
 812   }
 813   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 814   Extents padding;
 815   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 816   const Vector2& localPoint = gesture.GetLocalPoint();
 817   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 818   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 819
 820   SetKeyInputFocus();
 821 }
 822
 823 void TextField::OnPan(const PanGesture& gesture)
 824 {
 825   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 826 }
 827
 828 void TextField::OnLongPress(const LongPressGesture& gesture)
 829 {
 830   if(mInputMethodContext && IsEditable())
 831   {
 832     mInputMethodContext.Activate();
 833   }
 834   Extents padding;
 835   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 836   const Vector2& localPoint = gesture.GetLocalPoint();
 837   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 838
 839   SetKeyInputFocus();
 840 }
 841
 842 bool TextField::OnKeyEvent(const KeyEvent& event)
 843 {
 844   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 845
 846   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 847   {
 848     // Make sure ClearKeyInputFocus when only key is up
 849     if(event.GetState() == KeyEvent::UP)
 850     {
 851       ClearKeyInputFocus();
 852     }
 853
 854     return true;
 855   }
 856   else if(Dali::DevelKey::DALI_KEY_RETURN == event.GetKeyCode())
 857   {
 858     // Do nothing when enter is comming.
 859     return false;
 860   }
 861
 862   return mController->KeyEvent(event);
 863 }
 864
 865 void TextField::RequestTextRelayout()
 866 {
 867   RelayoutRequest();
 868 }
 869
 870 bool TextField::IsEditable() const
 871 {
 872   return mController->IsEditable();
 873 }
 874
 875 void TextField::SetEditable(bool editable)
 876 {
 877   mController->SetEditable(editable);
 878   if(mInputMethodContext && !editable)
 879   {
 880     mInputMethodContext.Deactivate();
 881   }
 882 }
 883
 884 void TextField::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 885 {
 886   if(Accessibility::IsUp())
 887   {
 888     Control::Impl::GetAccessibilityObject(Self())->EmitTextInserted(position, length, content);
 889   }
 890 }
 891
 892 void TextField::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 893 {
 894   if(Accessibility::IsUp())
 895   {
 896     Control::Impl::GetAccessibilityObject(Self())->EmitTextDeleted(position, length, content);
 897   }
 898 }
 899
 900 void TextField::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 901 {
 902   if(Accessibility::IsUp())
 903   {
 904     Control::Impl::GetAccessibilityObject(Self())->EmitTextCursorMoved(newPosition);
 905   }
 906
 907   if((oldPosition != newPosition) && !mCursorPositionChanged)
 908   {
 909     mCursorPositionChanged = true;
 910     mOldPosition           = oldPosition;
 911   }
 912 }
 913
 914 void TextField::TextChanged(bool immediate)
 915 {
 916   if(immediate) // Emits TextChangedSignal immediately
 917   {
 918     EmitTextChangedSignal();
 919   }
 920   else
 921   {
 922     mTextChanged = true;
 923   }
 924 }
 925
 926 void TextField::EmitTextChangedSignal()
 927 {
 928   Dali::Toolkit::TextField handle(GetOwner());
 929   mTextChangedSignal.Emit(handle);
 930   mTextChanged = false;
 931 }
 932
 933 void TextField::MaxLengthReached()
 934 {
 935   Dali::Toolkit::TextField handle(GetOwner());
 936   mMaxLengthReachedSignal.Emit(handle);
 937 }
 938
 939 void TextField::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 940 {
 941   Dali::Toolkit::TextField handle(GetOwner());
 942   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 943 }
 944
 945 void TextField::AnchorClicked(const std::string& href)
 946 {
 947   Dali::Toolkit::TextField handle(GetOwner());
 948   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 949 }
 950
 951 void TextField::EmitCursorPositionChangedSignal()
 952 {
 953   Dali::Toolkit::TextField handle(GetOwner());
 954   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 955   mCursorPositionChanged = false;
 956 }
 957
 958 void TextField::InputFiltered(Toolkit::InputFilter::Property::Type type)
 959 {
 960   Dali::Toolkit::TextField handle(GetOwner());
 961   mInputFilteredSignal.Emit(handle, type);
 962 }
 963
 964 void TextField::EmitSelectionChangedSignal()
 965 {
 966   Dali::Toolkit::TextField handle(GetOwner());
 967   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 968   mSelectionChanged = false;
 969 }
 970
 971 void TextField::EmitSelectionClearedSignal()
 972 {
 973   Dali::Toolkit::TextField handle(GetOwner());
 974   mSelectionClearedSignal.Emit(handle);
 975   mSelectionCleared = false;
 976 }
 977
 978 void TextField::EmitSelectionStartedSignal()
 979 {
 980   Dali::Toolkit::TextField handle(GetOwner());
 981   mSelectionStartedSignal.Emit(handle);
 982   mSelectionStarted = false;
 983 }
 984
 985 void TextField::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
 986 {
 987   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
 988   {
 989     if(newStart == newEnd)
 990     {
 991       mSelectionCleared = true;
 992     }
 993     else
 994     {
 995       if(oldStart == oldEnd)
 996       {
 997         mSelectionStarted = true;
 998       }
 999     }
1000
1001     mSelectionChanged  = true;
1002     mOldSelectionStart = oldStart;
1003     mOldSelectionEnd   = oldEnd;
1004
1005     if(mOldSelectionStart > mOldSelectionEnd)
1006     {
1007       //swap
1008       uint32_t temp      = mOldSelectionStart;
1009       mOldSelectionStart = mOldSelectionEnd;
1010       mOldSelectionEnd   = temp;
1011     }
1012   }
1013 }
1014
1015 void TextField::AddDecoration(Actor& actor, DecorationType type, bool needsClipping)
1016 {
1017   if(actor)
1018   {
1019     if(needsClipping)
1020     {
1021       mClippingDecorationActors.push_back(actor);
1022     }
1023
1024     // If the actor is a layer type, add it.
1025     if(type == DecorationType::ACTIVE_LAYER)
1026     {
1027       AddLayer(mActiveLayer, actor);
1028     }
1029     else if(type == DecorationType::CURSOR_LAYER)
1030     {
1031       AddLayer(mCursorLayer, actor);
1032     }
1033   }
1034 }
1035
1036 void TextField::AddLayer(Actor& layer, Actor& actor)
1037 {
1038   actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1039   actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1040   Self().Add(actor);
1041   layer = actor;
1042 }
1043
1044 void TextField::GetControlBackgroundColor(Vector4& color) const
1045 {
1046   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1047   Property::Map*  resultMap = propValue.GetMap();
1048
1049   Property::Value* colorValue = nullptr;
1050   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1051   {
1052     colorValue->Get(color);
1053   }
1054 }
1055
1056 void TextField::OnSceneConnect(Dali::Actor actor)
1057 {
1058   if(mHasBeenStaged)
1059   {
1060     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1061   }
1062   else
1063   {
1064     mHasBeenStaged = true;
1065   }
1066 }
1067
1068 InputMethodContext::CallbackData TextField::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1069 {
1070   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1071   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1072 }
1073
1074 void TextField::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1075 {
1076   if(mDecorator)
1077   {
1078     Property::Map map;
1079     map[PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1080
1081     value = map;
1082   }
1083 }
1084
1085 void TextField::EnableClipping()
1086 {
1087   if(!mStencil)
1088   {
1089     // Creates an extra control to be used as stencil buffer.
1090     mStencil = Control::New();
1091     mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1092     mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1093
1094     // Creates a background visual. Even if the color is transparent it updates the stencil.
1095     mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
1096                          Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
1097
1098     // Enable the clipping property.
1099     mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
1100     mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
1101
1102     Self().Add(mStencil);
1103   }
1104 }
1105
1106 void TextField::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1107 {
1108   mController->PasteClipboardItemEvent();
1109 }
1110
1111 void TextField::KeyboardStatusChanged(bool keyboardShown)
1112 {
1113   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1114
1115   // Just hide the grab handle when keyboard is hidden.
1116   if(!keyboardShown)
1117   {
1118     mController->KeyboardFocusLostEvent();
1119   }
1120   else
1121   {
1122     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1123   }
1124 }
1125
1126 void TextField::OnSceneConnection(int depth)
1127 {
1128   // Sets the depth to the visuals inside the text's decorator.
1129   mDecorator->SetTextDepth(depth);
1130
1131   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1132
1133   // Call the Control::OnSceneConnection() to set the depth of the background.
1134   Control::OnSceneConnection(depth);
1135 }
1136
1137 bool TextField::OnTouched(Actor actor, const TouchEvent& touch)
1138 {
1139   return false;
1140 }
1141
1142 void TextField::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1143 {
1144   mController->ChangedLayoutDirection();
1145 }
1146
1147 void TextField::OnIdleSignal()
1148 {
1149   // Emits the change of input style signals.
1150   mController->ProcessInputStyleChangedSignals();
1151
1152   // Set the pointer to null as the callback manager deletes the callback after execute it.
1153   mIdleCallback = NULL;
1154 }
1155
1156 TextField::TextField()
1157 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1158   mIdleCallback(NULL),
1159   mAlignmentOffset(0.f),
1160   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1161   mExceedPolicy(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP),
1162   mHasBeenStaged(false),
1163   mTextChanged(false),
1164   mCursorPositionChanged(false),
1165   mSelectionChanged(false),
1166   mSelectionCleared(false),
1167   mOldPosition(0u),
1168   mOldSelectionStart(0u),
1169   mOldSelectionEnd(0u),
1170   mSelectionStarted(false)
1171 {
1172 }
1173
1174 TextField::~TextField()
1175 {
1176   UnparentAndReset(mStencil);
1177
1178   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1179   {
1180     Adaptor::Get().RemoveIdle(mIdleCallback);
1181   }
1182 }
1183
1184 Vector<Vector2> TextField::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
1185 {
1186   return mController->GetTextSize(startIndex, endIndex);
1187 }
1188
1189 Vector<Vector2> TextField::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
1190 {
1191   return mController->GetTextPosition(startIndex, endIndex);
1192 }
1193
1194 std::string TextField::TextFieldAccessible::GetName() const
1195 {
1196   auto self = Toolkit::TextField::DownCast(Self());
1197   if(IsHiddenInput(self))
1198   {
1199     return {};
1200   }
1201
1202   return self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1203 }
1204
1205 std::string TextField::TextFieldAccessible::GetText(size_t startOffset, size_t endOffset) const
1206 {
1207   if(endOffset <= startOffset)
1208   {
1209     return {};
1210   }
1211
1212   auto self = Toolkit::TextField::DownCast(Self());
1213   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1214
1215   if(startOffset > text.size() || endOffset > text.size())
1216   {
1217     return {};
1218   }
1219   if(IsHiddenInput(self))
1220   {
1221     return std::string(endOffset - startOffset, GetSubstituteCharacter(self));
1222   }
1223   return text.substr(startOffset, endOffset - startOffset);
1224 }
1225
1226 size_t TextField::TextFieldAccessible::GetCharacterCount() const
1227 {
1228   auto self = Toolkit::TextField::DownCast(Self());
1229   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1230
1231   return text.size();
1232 }
1233
1234 size_t TextField::TextFieldAccessible::GetCursorOffset() const
1235 {
1236   auto self = Toolkit::TextField::DownCast(Self());
1237   return Dali::Toolkit::GetImpl(self).GetTextController()->GetCursorPosition();
1238 }
1239
1240 bool TextField::TextFieldAccessible::SetCursorOffset(size_t offset)
1241 {
1242   auto self = Toolkit::TextField::DownCast(Self());
1243   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1244   if(offset > text.size())
1245   {
1246     return false;
1247   }
1248
1249   auto& selfImpl = Dali::Toolkit::GetImpl(self);
1250   selfImpl.GetTextController()->ResetCursorPosition(offset);
1251   selfImpl.RequestTextRelayout();
1252
1253   return true;
1254 }
1255
1256 Dali::Accessibility::Range TextField::TextFieldAccessible::GetTextAtOffset(
1257   size_t offset, Dali::Accessibility::TextBoundary boundary) const
1258 {
1259   auto self  = Toolkit::TextField::DownCast(Self());
1260   auto range = Dali::Accessibility::Range{};
1261
1262   if(IsHiddenInput(self))
1263   {
1264     // Returning empty object, as there is no possibility to parse the textfield
1265     // when its content is hidden.
1266     return range;
1267   }
1268
1269   auto text     = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1270   auto textSize = text.size();
1271
1272   switch(boundary)
1273   {
1274     case Dali::Accessibility::TextBoundary::CHARACTER:
1275     {
1276       if(offset < textSize)
1277       {
1278         range.content     = text[offset];
1279         range.startOffset = offset;
1280         range.endOffset   = offset + 1;
1281       }
1282       break;
1283     }
1284     case Dali::Accessibility::TextBoundary::WORD:
1285     case Dali::Accessibility::TextBoundary::LINE:
1286     {
1287       auto textString = text.c_str();
1288       auto breaks     = std::vector<char>(textSize, 0);
1289
1290       if(boundary == Dali::Accessibility::TextBoundary::WORD)
1291       {
1292         Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1293       }
1294       else
1295       {
1296         Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1297       }
1298
1299       auto index   = 0u;
1300       auto counter = 0u;
1301       while(index < textSize && counter <= offset)
1302       {
1303         auto start = index;
1304         if(breaks[index])
1305         {
1306           while(breaks[index])
1307           {
1308             index++;
1309           }
1310           counter++;
1311         }
1312         else
1313         {
1314           if(boundary == Dali::Accessibility::TextBoundary::WORD)
1315           {
1316             index++;
1317           }
1318           if(boundary == Dali::Accessibility::TextBoundary::LINE)
1319           {
1320             counter++;
1321           }
1322         }
1323
1324         if((counter > 0) && ((counter - 1) == offset))
1325         {
1326           range.content     = text.substr(start, index - start + 1);
1327           range.startOffset = start;
1328           range.endOffset   = index + 1;
1329         }
1330
1331         if(boundary == Dali::Accessibility::TextBoundary::LINE)
1332         {
1333           index++;
1334         }
1335       }
1336       break;
1337     }
1338     case Dali::Accessibility::TextBoundary::SENTENCE:
1339     {
1340       /* not supported by default */
1341       break;
1342     }
1343     case Dali::Accessibility::TextBoundary::PARAGRAPH:
1344     {
1345       /* Paragraph is not supported by libunibreak library */
1346       break;
1347     }
1348     default:
1349       break;
1350   }
1351
1352   return range;
1353 }
1354
1355 Dali::Accessibility::Range TextField::TextFieldAccessible::GetRangeOfSelection(size_t selectionIndex) const
1356 {
1357   // Since DALi supports only one selection indexes higher than 0 are ignored
1358   if(selectionIndex > 0)
1359   {
1360     return {};
1361   }
1362
1363   auto self       = Toolkit::TextField::DownCast(Self());
1364   auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1365   auto indices    = controller->GetSelectionIndexes();
1366
1367   auto startOffset = static_cast<size_t>(indices.first);
1368   auto endOffset   = static_cast<size_t>(indices.second);
1369
1370   if(IsHiddenInput(self))
1371   {
1372     return {startOffset, endOffset, std::string(endOffset - startOffset, GetSubstituteCharacter(self))};
1373   }
1374
1375   std::string value{};
1376   controller->RetrieveSelection(value);
1377   return {startOffset, endOffset, value};
1378 }
1379
1380 bool TextField::TextFieldAccessible::RemoveSelection(size_t selectionIndex)
1381 {
1382   // Since DALi supports only one selection indexes higher than 0 are ignored
1383   if(selectionIndex > 0)
1384   {
1385     return false;
1386   }
1387
1388   auto self = Toolkit::TextField::DownCast(Self());
1389   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1390   return true;
1391 }
1392
1393 bool TextField::TextFieldAccessible::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1394 {
1395   // Since DALi supports only one selection indexes higher than 0 are ignored
1396   if(selectionIndex > 0)
1397   {
1398     return false;
1399   }
1400
1401   auto self = Toolkit::TextField::DownCast(Self());
1402   Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1403   return true;
1404 }
1405
1406 Rect<> TextField::TextFieldAccessible::GetRangeExtents(size_t startOffset, size_t endOffset, Accessibility::CoordinateType type)
1407 {
1408   if (endOffset <= startOffset || endOffset <= 0)
1409   {
1410     return {0, 0, 0, 0};
1411   }
1412
1413   auto self = Toolkit::TextField::DownCast(Self());
1414   auto rect = Dali::Toolkit::GetImpl(self).GetTextController()->GetTextBoundingRectangle(startOffset, endOffset - 1);
1415
1416   auto componentExtents = this->GetExtents(type);
1417
1418   rect.x += componentExtents.x;
1419   rect.y += componentExtents.y;
1420
1421   return rect;
1422 }
1423
1424 bool TextField::TextFieldAccessible::CopyText(size_t startPosition, size_t endPosition)
1425 {
1426   if(endPosition <= startPosition)
1427   {
1428     return false;
1429   }
1430
1431   auto self = Toolkit::TextField::DownCast(Self());
1432   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1433   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1434
1435   return true;
1436 }
1437
1438 bool TextField::TextFieldAccessible::CutText(size_t startPosition, size_t endPosition)
1439 {
1440   if(endPosition <= startPosition)
1441   {
1442     return false;
1443   }
1444
1445   auto self = Toolkit::TextField::DownCast(Self());
1446   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1447   Dali::Toolkit::GetImpl(self).GetTextController()->CopyStringToClipboard(text.substr(startPosition, endPosition - startPosition));
1448
1449   self.SetProperty(Toolkit::TextField::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1450
1451   return true;
1452 }
1453
1454 bool TextField::TextFieldAccessible::DeleteText(size_t startPosition, size_t endPosition)
1455 {
1456   if(endPosition <= startPosition)
1457   {
1458     return false;
1459   }
1460
1461   auto self = Toolkit::TextField::DownCast(Self());
1462   auto text = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1463
1464   self.SetProperty(Toolkit::TextField::Property::TEXT, text.substr(0, startPosition) + text.substr(endPosition));
1465
1466   return true;
1467 }
1468
1469 Dali::Accessibility::States TextField::TextFieldAccessible::CalculateStates()
1470 {
1471   using namespace Dali::Accessibility;
1472
1473   auto states = DevelControl::ControlAccessible::CalculateStates();
1474
1475   states[State::EDITABLE]  = true;
1476   states[State::FOCUSABLE] = true;
1477
1478   Toolkit::Control focusControl = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
1479   if(Self() == focusControl)
1480   {
1481     states[State::FOCUSED] = true;
1482   }
1483
1484   return states;
1485 }
1486
1487 bool TextField::TextFieldAccessible::InsertText(size_t startPosition, std::string text)
1488 {
1489   auto self         = Toolkit::TextField::DownCast(Self());
1490   auto insertedText = self.GetProperty(Toolkit::TextField::Property::TEXT).Get<std::string>();
1491
1492   insertedText.insert(startPosition, text);
1493
1494   self.SetProperty(Toolkit::TextField::Property::TEXT, std::move(insertedText));
1495
1496   return true;
1497 }
1498
1499 bool TextField::TextFieldAccessible::SetTextContents(std::string newContents)
1500 {
1501   auto self = Toolkit::TextField::DownCast(Self());
1502   self.SetProperty(Toolkit::TextField::Property::TEXT, std::move(newContents));
1503   return true;
1504 }
1505
1506 int32_t TextField::TextFieldAccessible::GetLinkCount() const
1507 {
1508   auto self = Toolkit::TextField::DownCast(Self());
1509   return Dali::Toolkit::GetImpl(self).mAnchorActors.size();
1510 }
1511
1512 Accessibility::Hyperlink* TextField::TextFieldAccessible::GetLink(int32_t linkIndex) const
1513 {
1514   if(linkIndex < 0 || linkIndex >= GetLinkCount())
1515   {
1516     return nullptr;
1517   }
1518   auto self        = Toolkit::TextField::DownCast(Self());
1519   auto anchorActor = Dali::Toolkit::GetImpl(self).mAnchorActors[linkIndex];
1520   return dynamic_cast<Accessibility::Hyperlink*>(Dali::Accessibility::Accessible::Get(anchorActor));
1521 }
1522
1523 int32_t TextField::TextFieldAccessible::GetLinkIndex(int32_t characterOffset) const
1524 {
1525   auto self       = Toolkit::TextField::DownCast(Self());
1526   auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1527   return controller->GetAnchorIndex(static_cast<size_t>(characterOffset));
1528 }
1529
1530 } // namespace Internal
1531
1532 } // namespace Toolkit
1533
1534 } // namespace Dali