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

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