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

   1 /*
   2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali-toolkit/internal/controls/text-controls/text-field-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/devel-api/actors/actor-devel.h>
  23 #include <dali/devel-api/adaptor-framework/key-devel.h>
  24 #include <dali/devel-api/common/stage.h>
  25 #include <dali/devel-api/object/property-helper-devel.h>
  26 #include <dali/integration-api/debug.h>
  27 #include <dali/public-api/actors/layer.h>
  28 #include <dali/public-api/adaptor-framework/key.h>
  29 #include <dali/public-api/common/dali-common.h>
  30 #include <dali/public-api/object/type-registry-helper.h>
  31 #include <cstring>
  32
  33 // INTERNAL INCLUDES
  34 #include <dali-toolkit/devel-api/controls/control-devel.h>
  35 #include <dali-toolkit/devel-api/controls/text-controls/text-field-devel.h>
  36 #include <dali-toolkit/devel-api/text/rendering-backend.h>
  37 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  38 #include <dali-toolkit/internal/controls/text-controls/text-field-property-handler.h>
  39 #include <dali-toolkit/internal/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 } // 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 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextField, "selectionPopupStyle",              MAP,       SELECTION_POPUP_STYLE               )
 149
 150 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "textChanged",           SIGNAL_TEXT_CHANGED           )
 151 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 152 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 153 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 154 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 155 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 156 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 157 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 158 DALI_SIGNAL_REGISTRATION(Toolkit, TextField, "selectionStarted",      SIGNAL_SELECTION_STARTED      )
 159
 160 DALI_TYPE_REGISTRATION_END()
 161 // clang-format on
 162
 163 Toolkit::TextField::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 164 {
 165   Toolkit::TextField::InputStyle::Mask fieldInputStyleMask = Toolkit::TextField::InputStyle::NONE;
 166
 167   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 168   {
 169     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::COLOR);
 170   }
 171   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 172   {
 173     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_FAMILY);
 174   }
 175   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 176   {
 177     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::POINT_SIZE);
 178   }
 179   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 180   {
 181     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 182   }
 183   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 184   {
 185     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 186   }
 187   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 188   {
 189     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::FONT_STYLE);
 190   }
 191   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 192   {
 193     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::UNDERLINE);
 194   }
 195   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 196   {
 197     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::SHADOW);
 198   }
 199   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 200   {
 201     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::EMBOSS);
 202   }
 203   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 204   {
 205     fieldInputStyleMask = static_cast<Toolkit::TextField::InputStyle::Mask>(fieldInputStyleMask | Toolkit::TextField::InputStyle::OUTLINE);
 206   }
 207   return fieldInputStyleMask;
 208 }
 209
 210 } // namespace
 211
 212 Toolkit::TextField TextField::New(ControlBehaviour additionalBehaviour)
 213 {
 214   // Create the implementation, temporarily owned by this handle on stack
 215   IntrusivePtr<TextField> impl = new TextField(additionalBehaviour);
 216
 217   // Pass ownership to CustomActor handle
 218   Toolkit::TextField handle(*impl);
 219
 220   // Second-phase init of the implementation
 221   // This can only be done after the CustomActor connection has been made...
 222   impl->Initialize();
 223
 224   return handle;
 225 }
 226
 227 void TextField::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 228 {
 229   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 230
 231   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField SetProperty\n");
 232
 233   if(textField)
 234   {
 235     PropertyHandler::SetProperty(textField, index, value);
 236   }
 237 }
 238
 239 Property::Value TextField::GetProperty(BaseObject* object, Property::Index index)
 240 {
 241   Property::Value value;
 242
 243   Toolkit::TextField textField = Toolkit::TextField::DownCast(Dali::BaseHandle(object));
 244
 245   if(textField)
 246   {
 247     value = PropertyHandler::GetProperty(textField, index);
 248   }
 249
 250   return value;
 251 }
 252
 253 void TextField::SelectWholeText()
 254 {
 255   if(mController && mController->IsShowingRealText())
 256   {
 257     mController->SelectWholeText();
 258     SetKeyInputFocus();
 259   }
 260 }
 261
 262 void TextField::SelectNone()
 263 {
 264   if(mController && mController->IsShowingRealText())
 265   {
 266     mController->SelectNone();
 267   }
 268 }
 269
 270 void TextField::SelectText(const uint32_t start, const uint32_t end)
 271 {
 272   if(mController && mController->IsShowingRealText())
 273   {
 274     mController->SelectText(start, end);
 275     SetKeyInputFocus();
 276   }
 277 }
 278
 279 string TextField::GetSelectedText() const
 280 {
 281   string selectedText = "";
 282   if(mController && mController->IsShowingRealText())
 283   {
 284     selectedText = mController->GetSelectedText();
 285   }
 286   return selectedText;
 287 }
 288
 289 void TextField::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
 290 {
 291   if(mController && mController->IsShowingRealText())
 292   {
 293     mController->SetTextSelectionRange(start, end);
 294     SetKeyInputFocus();
 295   }
 296 }
 297
 298 Uint32Pair TextField::GetTextSelectionRange() const
 299 {
 300   Uint32Pair range;
 301   if(mController && mController->IsShowingRealText())
 302   {
 303     range = mController->GetTextSelectionRange();
 304   }
 305   return range;
 306 }
 307
 308 string TextField::CopyText()
 309 {
 310   string copiedText = "";
 311   if(mController && mController->IsShowingRealText())
 312   {
 313     copiedText = mController->CopyText();
 314   }
 315   return copiedText;
 316 }
 317
 318 string TextField::CutText()
 319 {
 320   string cutText = "";
 321   if(mController && mController->IsShowingRealText())
 322   {
 323     cutText = mController->CutText();
 324   }
 325   return cutText;
 326 }
 327
 328 void TextField::PasteText()
 329 {
 330   if(mController)
 331   {
 332     SetKeyInputFocus(); //Giving focus to the field that was passed to the PasteText in case the passed field (current field) doesn't have focus.
 333     mController->PasteText();
 334   }
 335 }
 336
 337 InputMethodContext TextField::GetInputMethodContext()
 338 {
 339   return mInputMethodContext;
 340 }
 341
 342 bool TextField::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 343 {
 344   Dali::BaseHandle handle(object);
 345
 346   bool               connected(true);
 347   Toolkit::TextField field = Toolkit::TextField::DownCast(handle);
 348
 349   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 350   {
 351     field.TextChangedSignal().Connect(tracker, functor);
 352   }
 353   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 354   {
 355     field.MaxLengthReachedSignal().Connect(tracker, functor);
 356   }
 357   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 358   {
 359     field.InputStyleChangedSignal().Connect(tracker, functor);
 360   }
 361   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 362   {
 363     if(field)
 364     {
 365       Internal::TextField& fieldImpl(GetImpl(field));
 366       fieldImpl.AnchorClickedSignal().Connect(tracker, functor);
 367     }
 368   }
 369   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 370   {
 371     if(field)
 372     {
 373       Internal::TextField& fieldImpl(GetImpl(field));
 374       fieldImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 375     }
 376   }
 377   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 378   {
 379     if(field)
 380     {
 381       Internal::TextField& fieldImpl(GetImpl(field));
 382       fieldImpl.InputFilteredSignal().Connect(tracker, functor);
 383     }
 384   }
 385   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 386   {
 387     if(field)
 388     {
 389       Internal::TextField& fieldImpl(GetImpl(field));
 390       fieldImpl.SelectionChangedSignal().Connect(tracker, functor);
 391     }
 392   }
 393   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 394   {
 395     if(field)
 396     {
 397       Internal::TextField& fieldImpl(GetImpl(field));
 398       fieldImpl.SelectionClearedSignal().Connect(tracker, functor);
 399     }
 400   }
 401   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_STARTED))
 402   {
 403     if(field)
 404     {
 405       Internal::TextField& fieldImpl(GetImpl(field));
 406       fieldImpl.SelectionStartedSignal().Connect(tracker, functor);
 407     }
 408   }
 409   else
 410   {
 411     // signalName does not match any signal
 412     connected = false;
 413   }
 414
 415   return connected;
 416 }
 417
 418 Toolkit::TextField::TextChangedSignalType& TextField::TextChangedSignal()
 419 {
 420   return mTextChangedSignal;
 421 }
 422
 423 Toolkit::TextField::MaxLengthReachedSignalType& TextField::MaxLengthReachedSignal()
 424 {
 425   return mMaxLengthReachedSignal;
 426 }
 427
 428 Toolkit::TextField::InputStyleChangedSignalType& TextField::InputStyleChangedSignal()
 429 {
 430   return mInputStyleChangedSignal;
 431 }
 432
 433 DevelTextField::AnchorClickedSignalType& TextField::AnchorClickedSignal()
 434 {
 435   return mAnchorClickedSignal;
 436 }
 437
 438 DevelTextField::CursorPositionChangedSignalType& TextField::CursorPositionChangedSignal()
 439 {
 440   return mCursorPositionChangedSignal;
 441 }
 442
 443 DevelTextField::InputFilteredSignalType& TextField::InputFilteredSignal()
 444 {
 445   return mInputFilteredSignal;
 446 }
 447
 448 DevelTextField::SelectionChangedSignalType& TextField::SelectionChangedSignal()
 449 {
 450   return mSelectionChangedSignal;
 451 }
 452
 453 DevelTextField::SelectionClearedSignalType& TextField::SelectionClearedSignal()
 454 {
 455   return mSelectionClearedSignal;
 456 }
 457
 458 DevelTextField::SelectionStartedSignalType& TextField::SelectionStartedSignal()
 459 {
 460   return mSelectionStartedSignal;
 461 }
 462
 463 void TextField::OnAccessibilityStatusChanged()
 464 {
 465   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 466 }
 467
 468 void TextField::OnInitialize()
 469 {
 470   Actor self = Self();
 471
 472   mController = Text::Controller::New(this, this, this, this);
 473
 474   // When using the vector-based rendering, the size of the GLyphs are different
 475   TextAbstraction::GlyphType glyphType = (DevelText::RENDERING_VECTOR_BASED == mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
 476   mController->SetGlyphType(glyphType);
 477
 478   mDecorator = Text::Decorator::New(*mController,
 479                                     *mController);
 480
 481   mInputMethodContext = InputMethodContext::New(self);
 482
 483   mController->GetLayoutEngine().SetLayout(Layout::Engine::SINGLE_LINE_BOX);
 484
 485   // Enables the text input.
 486   mController->EnableTextInput(mDecorator, mInputMethodContext);
 487
 488   // Enables the horizontal scrolling after the text input has been enabled.
 489   mController->SetHorizontalScrollEnabled(true);
 490
 491   // Disables the vertical scrolling.
 492   mController->SetVerticalScrollEnabled(false);
 493
 494   // Disable the smooth handle panning.
 495   mController->SetSmoothHandlePanEnabled(false);
 496
 497   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 498   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 499
 500   // Sets layoutDirection value
 501   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 502   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 503   mController->SetLayoutDirection(layoutDirection);
 504
 505   self.LayoutDirectionChangedSignal().Connect(this, &TextField::OnLayoutDirectionChanged);
 506
 507   // Forward input events to controller
 508   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 509   GetTapGestureDetector().SetMaximumTapsRequired(2);
 510   GetTapGestureDetector().ReceiveAllTapEvents(true);
 511
 512   self.TouchedSignal().Connect(this, &TextField::OnTouched);
 513
 514   // Set BoundingBox to stage size if not already set.
 515   Rect<int> boundingBox;
 516   mDecorator->GetBoundingBox(boundingBox);
 517
 518   if(boundingBox.IsEmpty())
 519   {
 520     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 521     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 522   }
 523
 524   // Flip vertically the 'left' selection handle
 525   mDecorator->FlipHandleVertically(LEFT_SELECTION_HANDLE, true);
 526
 527   // Fill-parent area by default
 528   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 529   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 530   self.OnSceneSignal().Connect(this, &TextField::OnSceneConnect);
 531
 532   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 533
 534   if(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy)
 535   {
 536     EnableClipping();
 537   }
 538
 539   // Accessibility
 540   self.SetProperty(DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::ENTRY);
 541   self.SetProperty(DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 542
 543   Accessibility::Bridge::EnabledSignal().Connect(this, &TextField::OnAccessibilityStatusChanged);
 544   Accessibility::Bridge::DisabledSignal().Connect(this, &TextField::OnAccessibilityStatusChanged);
 545 }
 546
 547 DevelControl::ControlAccessible* TextField::CreateAccessibleObject()
 548 {
 549   return new TextFieldAccessible(Self());
 550 }
 551
 552 void TextField::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 553 {
 554   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange\n");
 555
 556   switch(change)
 557   {
 558     case StyleChange::DEFAULT_FONT_CHANGE:
 559     {
 560       DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnStyleChange DEFAULT_FONT_CHANGE\n");
 561       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 562       // Property system did not set the font so should update it.
 563       mController->UpdateAfterFontChange(newFont);
 564       RelayoutRequest();
 565       break;
 566     }
 567
 568     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 569     {
 570       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 571       RelayoutRequest();
 572       break;
 573     }
 574     case StyleChange::THEME_CHANGE:
 575     {
 576       // Nothing to do, let control base class handle this
 577       break;
 578     }
 579   }
 580
 581   // Up call to Control
 582   Control::OnStyleChange(styleManager, change);
 583 }
 584
 585 Vector3 TextField::GetNaturalSize()
 586 {
 587   Extents padding;
 588   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 589
 590   Vector3 naturalSize = mController->GetNaturalSize();
 591   naturalSize.width += (padding.start + padding.end);
 592   naturalSize.height += (padding.top + padding.bottom);
 593
 594   return naturalSize;
 595 }
 596
 597 float TextField::GetHeightForWidth(float width)
 598 {
 599   Extents padding;
 600   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 601   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 602 }
 603
 604 void TextField::ResizeActor(Actor& actor, const Vector2& size)
 605 {
 606   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 607   {
 608     actor.SetProperty(Actor::Property::SIZE, size);
 609   }
 610 }
 611
 612 void TextField::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
 613 {
 614   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnPropertySet index[%d]\n", index);
 615
 616   switch(index)
 617   {
 618     case DevelActor::Property::USER_INTERACTION_ENABLED:
 619     {
 620       const bool enabled = propertyValue.Get<bool>();
 621       mController->SetUserInteractionEnabled(enabled);
 622       if(mStencil)
 623       {
 624         float opacity = enabled ? 1.0f : mController->GetDisabledColorOpacity();
 625         mStencil.SetProperty(Actor::Property::OPACITY, opacity);
 626       }
 627       break;
 628     }
 629     default:
 630     {
 631       Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
 632       break;
 633     }
 634   }
 635 }
 636
 637 void TextField::OnRelayout(const Vector2& size, RelayoutContainer& container)
 638 {
 639   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField OnRelayout\n");
 640
 641   Actor self = Self();
 642
 643   Extents padding;
 644   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 645
 646   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 647
 648   // Support Right-To-Left of padding
 649   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 650
 651   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 652   {
 653     std::swap(padding.start, padding.end);
 654   }
 655
 656   if(mStencil)
 657   {
 658     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 659     ResizeActor(mStencil, contentSize);
 660   }
 661   if(mActiveLayer)
 662   {
 663     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 664     ResizeActor(mActiveLayer, contentSize);
 665   }
 666   if(mCursorLayer)
 667   {
 668     mCursorLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 669     ResizeActor(mCursorLayer, contentSize);
 670   }
 671
 672   // If there is text changed, callback is called.
 673   if(mTextChanged)
 674   {
 675     EmitTextChangedSignal();
 676   }
 677
 678   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 679
 680   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 681      !mRenderer)
 682   {
 683     DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnRelayout %p Displaying new contents\n", mController.Get());
 684
 685     if(mDecorator &&
 686        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 687     {
 688       mDecorator->Relayout(contentSize);
 689     }
 690
 691     if(!mRenderer)
 692     {
 693       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 694     }
 695
 696     RenderText(updateTextType);
 697   }
 698
 699   if(mCursorPositionChanged)
 700   {
 701     EmitCursorPositionChangedSignal();
 702   }
 703
 704   if(mSelectionStarted)
 705   {
 706     EmitSelectionStartedSignal();
 707   }
 708
 709   if(mSelectionChanged)
 710   {
 711     EmitSelectionChangedSignal();
 712   }
 713
 714   if(mSelectionCleared)
 715   {
 716     EmitSelectionClearedSignal();
 717   }
 718
 719   // The text-field emits signals when the input style changes. These changes of style are
 720   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 721   // can't be emitted during the size negotiation as the callbacks may update the UI.
 722   // The text-field adds an idle callback to the adaptor to emit the signals after the size negotiation.
 723   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 724   {
 725     if(Adaptor::IsAvailable())
 726     {
 727       Adaptor& adaptor = Adaptor::Get();
 728
 729       if(NULL == mIdleCallback)
 730       {
 731         // @note: The callback manager takes the ownership of the callback object.
 732         mIdleCallback = MakeCallback(this, &TextField::OnIdleSignal);
 733         adaptor.AddIdle(mIdleCallback, false);
 734       }
 735     }
 736   }
 737 }
 738
 739 Text::ControllerPtr TextField::GetTextController()
 740 {
 741   return mController;
 742 }
 743
 744 void TextField::RenderText(Text::Controller::UpdateTextType updateTextType)
 745 {
 746   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mCursorLayer, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 747 }
 748
 749 void TextField::OnKeyInputFocusGained()
 750 {
 751   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyInputFocusGained %p\n", mController.Get());
 752   if(mInputMethodContext && IsEditable())
 753   {
 754     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 755     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 756     mInputMethodContext.NotifyTextInputMultiLine(false);
 757
 758     mInputMethodContext.StatusChangedSignal().Connect(this, &TextField::KeyboardStatusChanged);
 759
 760     mInputMethodContext.EventReceivedSignal().Connect(this, &TextField::OnInputMethodContextEvent);
 761
 762     // Notify that the text editing start.
 763     mInputMethodContext.Activate();
 764
 765     // When window gain lost focus, the inputMethodContext is deactivated. Thus when window gain focus again, the inputMethodContext must be activated.
 766     mInputMethodContext.SetRestoreAfterFocusLost(true);
 767   }
 768
 769   if(IsEditable() && mController->IsUserInteractionEnabled())
 770   {
 771     mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 772   }
 773
 774   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 775 }
 776
 777 void TextField::OnKeyInputFocusLost()
 778 {
 779   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField:OnKeyInputFocusLost %p\n", mController.Get());
 780   if(mInputMethodContext)
 781   {
 782     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextField::KeyboardStatusChanged);
 783     // The text editing is finished. Therefore the inputMethodContext don't have restore activation.
 784     mInputMethodContext.SetRestoreAfterFocusLost(false);
 785
 786     // Notify that the text editing finish.
 787     mInputMethodContext.Deactivate();
 788
 789     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextField::OnInputMethodContextEvent);
 790   }
 791
 792   mController->KeyboardFocusLostEvent();
 793
 794   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 795 }
 796
 797 bool TextField::OnAccessibilityActivated()
 798 {
 799   SetKeyInputFocus();
 800   return true;
 801 }
 802
 803 void TextField::OnTap(const TapGesture& gesture)
 804 {
 805   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnTap %p\n", mController.Get());
 806
 807   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 808   Extents padding;
 809   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 810   const Vector2& localPoint = gesture.GetLocalPoint();
 811   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 812   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 813
 814   Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 815   if(keyboardFocusManager)
 816   {
 817     keyboardFocusManager.SetCurrentFocusActor(Self());
 818   }
 819   SetKeyInputFocus();
 820 }
 821
 822 void TextField::OnPan(const PanGesture& gesture)
 823 {
 824   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 825   if(gesture.GetState() == GestureState::STARTED && !mController->IsScrollable(gesture.GetDisplacement()))
 826   {
 827     Dali::DevelActor::SetNeedGesturePropagation(Self(), true);
 828   }
 829 }
 830
 831 void TextField::OnLongPress(const LongPressGesture& gesture)
 832 {
 833   if(mInputMethodContext && IsEditable())
 834   {
 835     mInputMethodContext.Activate();
 836   }
 837   Extents padding;
 838   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 839   const Vector2& localPoint = gesture.GetLocalPoint();
 840   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 841
 842   SetKeyInputFocus();
 843 }
 844
 845 bool TextField::OnKeyEvent(const KeyEvent& event)
 846 {
 847   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 848
 849   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 850   {
 851     // Make sure ClearKeyInputFocus when only key is up
 852     if(event.GetState() == KeyEvent::UP)
 853     {
 854       Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 855       if(keyboardFocusManager)
 856       {
 857         keyboardFocusManager.ClearFocus();
 858       }
 859       ClearKeyInputFocus();
 860     }
 861
 862     return true;
 863   }
 864   else if(Dali::DevelKey::DALI_KEY_RETURN == event.GetKeyCode())
 865   {
 866     // Do nothing when enter is comming.
 867     return false;
 868   }
 869
 870   return mController->KeyEvent(event);
 871 }
 872
 873 void TextField::RequestTextRelayout()
 874 {
 875   RelayoutRequest();
 876 }
 877
 878 bool TextField::IsEditable() const
 879 {
 880   return mController->IsEditable();
 881 }
 882
 883 void TextField::SetEditable(bool editable)
 884 {
 885   mController->SetEditable(editable);
 886   if(mInputMethodContext && !editable)
 887   {
 888     mInputMethodContext.Deactivate();
 889   }
 890 }
 891
 892 void TextField::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 893 {
 894   GetAccessibleObject()->EmitTextInserted(position, length, content);
 895 }
 896
 897 void TextField::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 898 {
 899   GetAccessibleObject()->EmitTextDeleted(position, length, content);
 900 }
 901
 902 void TextField::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 903 {
 904   GetAccessibleObject()->EmitTextCursorMoved(newPosition);
 905
 906   if((oldPosition != newPosition) && !mCursorPositionChanged)
 907   {
 908     mCursorPositionChanged = true;
 909     mOldPosition           = oldPosition;
 910   }
 911 }
 912
 913 void TextField::TextChanged(bool immediate)
 914 {
 915   if(immediate) // Emits TextChangedSignal immediately
 916   {
 917     EmitTextChangedSignal();
 918   }
 919   else
 920   {
 921     mTextChanged = true;
 922   }
 923 }
 924
 925 void TextField::EmitTextChangedSignal()
 926 {
 927   Dali::Toolkit::TextField handle(GetOwner());
 928   mTextChangedSignal.Emit(handle);
 929   mTextChanged = false;
 930 }
 931
 932 void TextField::MaxLengthReached()
 933 {
 934   Dali::Toolkit::TextField handle(GetOwner());
 935   mMaxLengthReachedSignal.Emit(handle);
 936 }
 937
 938 void TextField::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 939 {
 940   Dali::Toolkit::TextField handle(GetOwner());
 941   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
 942 }
 943
 944 void TextField::AnchorClicked(const std::string& href)
 945 {
 946   Dali::Toolkit::TextField handle(GetOwner());
 947   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
 948 }
 949
 950 void TextField::EmitCursorPositionChangedSignal()
 951 {
 952   Dali::Toolkit::TextField handle(GetOwner());
 953   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
 954   mCursorPositionChanged = false;
 955 }
 956
 957 void TextField::InputFiltered(Toolkit::InputFilter::Property::Type type)
 958 {
 959   Dali::Toolkit::TextField handle(GetOwner());
 960   mInputFilteredSignal.Emit(handle, type);
 961 }
 962
 963 void TextField::EmitSelectionChangedSignal()
 964 {
 965   Dali::Toolkit::TextField handle(GetOwner());
 966   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
 967   mSelectionChanged = false;
 968 }
 969
 970 void TextField::EmitSelectionClearedSignal()
 971 {
 972   Dali::Toolkit::TextField handle(GetOwner());
 973   mSelectionClearedSignal.Emit(handle);
 974   mSelectionCleared = false;
 975 }
 976
 977 void TextField::EmitSelectionStartedSignal()
 978 {
 979   Dali::Toolkit::TextField handle(GetOwner());
 980   mSelectionStartedSignal.Emit(handle);
 981   mSelectionStarted = false;
 982 }
 983
 984 void TextField::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
 985 {
 986   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
 987   {
 988     if(newStart == newEnd)
 989     {
 990       mSelectionCleared = true;
 991     }
 992     else
 993     {
 994       if(oldStart == oldEnd)
 995       {
 996         mSelectionStarted = true;
 997       }
 998     }
 999
1000     mSelectionChanged  = true;
1001     mOldSelectionStart = oldStart;
1002     mOldSelectionEnd   = oldEnd;
1003
1004     if(mOldSelectionStart > mOldSelectionEnd)
1005     {
1006       //swap
1007       uint32_t temp      = mOldSelectionStart;
1008       mOldSelectionStart = mOldSelectionEnd;
1009       mOldSelectionEnd   = temp;
1010     }
1011   }
1012 }
1013
1014 void TextField::AddDecoration(Actor& actor, DecorationType type, bool needsClipping)
1015 {
1016   if(actor)
1017   {
1018     if(needsClipping)
1019     {
1020       mClippingDecorationActors.push_back(actor);
1021     }
1022
1023     // If the actor is a layer type, add it.
1024     if(type == DecorationType::ACTIVE_LAYER)
1025     {
1026       AddLayer(mActiveLayer, actor);
1027     }
1028     else if(type == DecorationType::CURSOR_LAYER)
1029     {
1030       AddLayer(mCursorLayer, actor);
1031     }
1032   }
1033 }
1034
1035 void TextField::AddLayer(Actor& layer, Actor& actor)
1036 {
1037   actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1038   actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1039   Self().Add(actor);
1040   layer = actor;
1041 }
1042
1043 void TextField::GetControlBackgroundColor(Vector4& color) const
1044 {
1045   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1046   Property::Map*  resultMap = propValue.GetMap();
1047
1048   Property::Value* colorValue = nullptr;
1049   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1050   {
1051     colorValue->Get(color);
1052   }
1053 }
1054
1055 void TextField::OnSceneConnect(Dali::Actor actor)
1056 {
1057   if(mHasBeenStaged)
1058   {
1059     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1060   }
1061   else
1062   {
1063     mHasBeenStaged = true;
1064   }
1065 }
1066
1067 InputMethodContext::CallbackData TextField::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1068 {
1069   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1070   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1071 }
1072
1073 void TextField::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1074 {
1075   if(mDecorator)
1076   {
1077     Property::Map map;
1078     map[PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1079
1080     value = map;
1081   }
1082 }
1083
1084 void TextField::EnableClipping()
1085 {
1086   if(!mStencil)
1087   {
1088     // Creates an extra control to be used as stencil buffer.
1089     mStencil = Control::New();
1090     mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1091     mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1092     mStencil.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIDDEN, true);
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::KeyboardStatusChanged(bool keyboardShown)
1107 {
1108   DALI_LOG_INFO(gTextFieldLogFilter, Debug::Verbose, "TextField::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1109
1110   // Just hide the grab handle when keyboard is hidden.
1111   if(!keyboardShown)
1112   {
1113     mController->KeyboardFocusLostEvent();
1114   }
1115   else
1116   {
1117     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1118   }
1119 }
1120
1121 void TextField::OnSceneConnection(int depth)
1122 {
1123   // Sets the depth to the visuals inside the text's decorator.
1124   mDecorator->SetTextDepth(depth);
1125
1126   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1127
1128   // Call the Control::OnSceneConnection() to set the depth of the background.
1129   Control::OnSceneConnection(depth);
1130 }
1131
1132 bool TextField::OnTouched(Actor actor, const TouchEvent& touch)
1133 {
1134   return false;
1135 }
1136
1137 void TextField::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1138 {
1139   mController->ChangedLayoutDirection();
1140 }
1141
1142 void TextField::OnIdleSignal()
1143 {
1144   // Emits the change of input style signals.
1145   mController->ProcessInputStyleChangedSignals();
1146
1147   // Set the pointer to null as the callback manager deletes the callback after execute it.
1148   mIdleCallback = NULL;
1149 }
1150
1151 TextField::TextField(ControlBehaviour additionalBehaviour)
1152 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT | additionalBehaviour)),
1153   mIdleCallback(NULL),
1154   mAlignmentOffset(0.f),
1155   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1156   mExceedPolicy(Dali::Toolkit::TextField::EXCEED_POLICY_CLIP),
1157   mHasBeenStaged(false),
1158   mTextChanged(false),
1159   mCursorPositionChanged(false),
1160   mSelectionChanged(false),
1161   mSelectionCleared(false),
1162   mOldPosition(0u),
1163   mOldSelectionStart(0u),
1164   mOldSelectionEnd(0u),
1165   mSelectionStarted(false)
1166 {
1167 }
1168
1169 TextField::~TextField()
1170 {
1171   UnparentAndReset(mStencil);
1172
1173   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1174   {
1175     Adaptor::Get().RemoveIdle(mIdleCallback);
1176   }
1177 }
1178
1179 Vector<Vector2> TextField::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
1180 {
1181   return mController->GetTextSize(startIndex, endIndex);
1182 }
1183
1184 Vector<Vector2> TextField::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
1185 {
1186   return mController->GetTextPosition(startIndex, endIndex);
1187 }
1188
1189 Rect<float> TextField::GetLineBoundingRectangle(const uint32_t lineIndex) const
1190 {
1191   return mController->GetLineBoundingRectangle(lineIndex);
1192 }
1193
1194 Rect<float> TextField::GetCharacterBoundingRectangle(const uint32_t charIndex) const
1195 {
1196   return mController->GetCharacterBoundingRectangle(charIndex);
1197 }
1198
1199 int TextField::GetCharacterIndexAtPosition(float visualX, float visualY) const
1200 {
1201   return mController->GetCharacterIndexAtPosition(visualX, visualY);
1202 }
1203
1204 Rect<> TextField::GetTextBoundingRectangle(uint32_t startIndex, uint32_t endIndex) const
1205 {
1206   return mController->GetTextBoundingRectangle(startIndex, endIndex);
1207 }
1208
1209 void TextField::SetSpannedText(const Text::Spanned& spannedText)
1210 {
1211   mController->SetSpannedText(spannedText);
1212 }
1213
1214 std::string TextField::TextFieldAccessible::GetName() const
1215 {
1216   if(IsHiddenInput())
1217   {
1218     return {};
1219   }
1220
1221   return GetWholeText();
1222 }
1223
1224 const std::vector<Toolkit::TextAnchor>& TextField::TextFieldAccessible::GetTextAnchors() const
1225 {
1226   auto self = Toolkit::TextField::DownCast(Self());
1227
1228   return Toolkit::GetImpl(self).mAnchorActors;
1229 }
1230
1231 Toolkit::Text::ControllerPtr TextField::TextFieldAccessible::GetTextController() const
1232 {
1233   auto self = Toolkit::TextField::DownCast(Self());
1234
1235   return Toolkit::GetImpl(self).GetTextController();
1236 }
1237
1238 std::uint32_t TextField::TextFieldAccessible::GetSubstituteCharacter() const
1239 {
1240   auto self                = Toolkit::TextField::DownCast(Self());
1241   auto hiddenInputSettings = self.GetProperty<Property::Map>(Toolkit::TextField::Property::HIDDEN_INPUT_SETTINGS);
1242   auto substChar           = hiddenInputSettings.Find(Toolkit::HiddenInput::Property::SUBSTITUTE_CHARACTER);
1243
1244   if(substChar)
1245   {
1246     return static_cast<std::uint32_t>(substChar->Get<int>());
1247   }
1248
1249   return TextControlAccessible::GetSubstituteCharacter();
1250 }
1251
1252 bool TextField::TextFieldAccessible::IsHiddenInput() const
1253 {
1254   auto self                = Toolkit::TextField::DownCast(Self());
1255   auto hiddenInputSettings = self.GetProperty<Property::Map>(Toolkit::TextField::Property::HIDDEN_INPUT_SETTINGS);
1256   auto mode                = hiddenInputSettings.Find(Toolkit::HiddenInput::Property::MODE);
1257
1258   return (mode && (mode->Get<int>() != Toolkit::HiddenInput::Mode::HIDE_NONE));
1259 }
1260
1261 void TextField::TextFieldAccessible::RequestTextRelayout()
1262 {
1263   auto  self     = Toolkit::TextField::DownCast(Self());
1264   auto& selfImpl = Toolkit::GetImpl(self);
1265
1266   selfImpl.RequestTextRelayout();
1267 }
1268
1269 } // namespace Internal
1270
1271 } // namespace Toolkit
1272
1273 } // namespace Dali