dali-toolkit/internal/controls/text-controls/text-editor-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-editor-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/devel-api/actors/actor-devel.h>
  23 #include <dali/devel-api/common/stage.h>
  24 #include <dali/devel-api/object/property-helper-devel.h>
  25 #include <dali/integration-api/adaptor-framework/adaptor.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 #include <limits>
  33
  34 // INTERNAL INCLUDES
  35 #include <dali-toolkit/devel-api/controls/control-devel.h>
  36 #include <dali-toolkit/devel-api/text/rendering-backend.h>
  37 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
  38 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  39 #include <dali-toolkit/internal/controls/text-controls/text-editor-property-handler.h>
  40 #include <dali-toolkit/internal/focus-manager/keyboard-focus-manager-impl.h>
  41 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  42 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  43 #include <dali-toolkit/internal/text/text-effects-style.h>
  44 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  45 #include <dali-toolkit/internal/text/text-font-style.h>
  46 #include <dali-toolkit/internal/text/text-view.h>
  47 #include <dali-toolkit/public-api/text/text-enumerations.h>
  48 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  49 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  50
  51 using namespace Dali::Toolkit::Text;
  52
  53 #if defined(DEBUG_ENABLED)
  54 Debug::Filter* gTextEditorLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  55 #endif
  56
  57 namespace Dali
  58 {
  59 namespace Toolkit
  60 {
  61 namespace Internal
  62 {
  63 namespace // unnamed namespace
  64 {
  65 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  66 const float        DEFAULT_SCROLL_SPEED      = 1200.f; ///< The default scroll speed for the text editor in pixels/second.
  67 } // unnamed namespace
  68
  69 namespace
  70 {
  71 const char* const SCROLL_BAR_POSITION("sourcePosition");
  72 const char* const SCROLL_BAR_POSITION_MIN("sourcePositionMin");
  73 const char* const SCROLL_BAR_POSITION_MAX("sourcePositionMax");
  74 const char* const SCROLL_BAR_CONTENT_SIZE("sourceContentSize");
  75
  76 // Type registration
  77 BaseHandle Create()
  78 {
  79   return Toolkit::TextEditor::New();
  80 }
  81
  82 // clang-format off
  83 // Setup properties, signals and actions using the type-registry.
  84 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::TextEditor, Toolkit::Control, Create);
  85
  86 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "text",                                 STRING,    TEXT                                )
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "textColor",                            VECTOR4,   TEXT_COLOR                          )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontFamily",                           STRING,    FONT_FAMILY                         )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontStyle",                            MAP,       FONT_STYLE                          )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pointSize",                            FLOAT,     POINT_SIZE                          )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "horizontalAlignment",                  STRING,    HORIZONTAL_ALIGNMENT                )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollThreshold",                      FLOAT,     SCROLL_THRESHOLD                    )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollSpeed",                          FLOAT,     SCROLL_SPEED                        )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "primaryCursorColor",                   VECTOR4,   PRIMARY_CURSOR_COLOR                )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "secondaryCursorColor",                 VECTOR4,   SECONDARY_CURSOR_COLOR              )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableCursorBlink",                    BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkInterval",                  FLOAT,     CURSOR_BLINK_INTERVAL               )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkDuration",                  FLOAT,     CURSOR_BLINK_DURATION               )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorWidth",                          INTEGER,   CURSOR_WIDTH                        )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandleImage",                      STRING,    GRAB_HANDLE_IMAGE                   )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandlePressedImage",               STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageLeft",             MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageRight",            MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageLeft",      MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageRight",     MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageLeft",       MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageRight",      MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHighlightColor",              VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "decorationBoundingBox",                RECTANGLE, DECORATION_BOUNDING_BOX             )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableMarkup",                         BOOLEAN,   ENABLE_MARKUP                       )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputColor",                           VECTOR4,   INPUT_COLOR                         )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontFamily",                      STRING,    INPUT_FONT_FAMILY                   )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontStyle",                       MAP,       INPUT_FONT_STYLE                    )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputPointSize",                       FLOAT,     INPUT_POINT_SIZE                    )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineSpacing",                          FLOAT,     LINE_SPACING                        )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputLineSpacing",                     FLOAT,     INPUT_LINE_SPACING                  )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "underline",                            MAP,       UNDERLINE                           )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputUnderline",                       MAP,       INPUT_UNDERLINE                     )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "shadow",                               MAP,       SHADOW                              )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputShadow",                          MAP,       INPUT_SHADOW                        )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "emboss",                               MAP,       EMBOSS                              )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputEmboss",                          MAP,       INPUT_EMBOSS                        )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "outline",                              MAP,       OUTLINE                             )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputOutline",                         MAP,       INPUT_OUTLINE                       )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScroll",                         BOOLEAN,   SMOOTH_SCROLL                       )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScrollDuration",                 FLOAT,     SMOOTH_SCROLL_DURATION              )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableScrollBar",                      BOOLEAN,   ENABLE_SCROLL_BAR                   )
 128 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarShowDuration",                FLOAT,     SCROLL_BAR_SHOW_DURATION            )
 129 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarFadeDuration",                FLOAT,     SCROLL_BAR_FADE_DURATION            )
 130 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pixelSize",                            FLOAT,     PIXEL_SIZE                          )
 131 DALI_PROPERTY_REGISTRATION_READ_ONLY(Toolkit,       TextEditor, "lineCount",                            INTEGER,   LINE_COUNT                          )
 132 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableSelection",                      BOOLEAN,   ENABLE_SELECTION                    )
 133 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "placeholder",                          MAP,       PLACEHOLDER                         )
 134 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineWrapMode",                         INTEGER,   LINE_WRAP_MODE                      )
 135 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderText",                      STRING,    PLACEHOLDER_TEXT                    )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderTextColor",                 VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableShiftSelection",                 BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandle",                     BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "matchSystemLanguageDirection",         BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "renderingBackend",                     INTEGER,   RENDERING_BACKEND                   )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "maxLength",                            INTEGER,   MAX_LENGTH                          )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextStart",                    INTEGER,   SELECTED_TEXT_START                 )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextEnd",                      INTEGER,   SELECTED_TEXT_END                   )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "horizontalScrollPosition",             FLOAT,     HORIZONTAL_SCROLL_POSITION          )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalScrollPosition",               INTEGER,   VERTICAL_SCROLL_POSITION            )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableEditing",                        BOOLEAN,   ENABLE_EDITING                      )
 147 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextEditor, "selectedText",                         STRING,    SELECTED_TEXT                       )
 148 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "fontSizeScale",                        FLOAT,     FONT_SIZE_SCALE                     )
 149 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableFontSizeScale",                  BOOLEAN,   ENABLE_FONT_SIZE_SCALE              )
 150 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "primaryCursorPosition",                INTEGER,   PRIMARY_CURSOR_POSITION             )
 151 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "grabHandleColor",                      VECTOR4,   GRAB_HANDLE_COLOR                   )
 152 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandlePopup",                BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 153 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputMethodSettings",                  MAP,       INPUT_METHOD_SETTINGS               )
 154 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputFilter",                          MAP,       INPUT_FILTER                        )
 155 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsis",                             BOOLEAN,   ELLIPSIS                            )
 156 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsisPosition",                     INTEGER,   ELLIPSIS_POSITION                   )
 157 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "minLineSize",                          FLOAT,     MIN_LINE_SIZE                       )
 158 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "strikethrough",                        MAP,       STRIKETHROUGH                       )
 159 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputStrikethrough",                   MAP,       INPUT_STRIKETHROUGH                 )
 160 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "characterSpacing",                     FLOAT,     CHARACTER_SPACING                   )
 161 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "relativeLineSize",                     FLOAT,     RELATIVE_LINE_SIZE                  )
 162 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalAlignment",                    STRING,    VERTICAL_ALIGNMENT                  )
 163 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectionPopupStyle",                  MAP,       SELECTION_POPUP_STYLE               )
 164
 165 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "textChanged",           SIGNAL_TEXT_CHANGED           )
 166 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 167 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 168 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 169 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 170 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 171 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 172 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 173 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionStarted",      SIGNAL_SELECTION_STARTED      )
 174
 175 DALI_TYPE_REGISTRATION_END()
 176 // clang-format on
 177
 178 Toolkit::TextEditor::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 179 {
 180   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 181
 182   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 183   {
 184     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 185   }
 186   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 187   {
 188     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 189   }
 190   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 191   {
 192     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 193   }
 194   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 195   {
 196     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 197   }
 198   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 199   {
 200     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 201   }
 202   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 203   {
 204     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 205   }
 206   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 207   {
 208     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 209   }
 210   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 211   {
 212     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 213   }
 214   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 215   {
 216     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 217   }
 218   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 219   {
 220     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 221   }
 222   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 223   {
 224     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
 225   }
 226   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_STRIKETHROUGH))
 227   {
 228     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::STRIKETHROUGH);
 229   }
 230
 231   return editorInputStyleMask;
 232 }
 233
 234 } // namespace
 235
 236 Toolkit::TextEditor TextEditor::New()
 237 {
 238   // Create the implementation, temporarily owned by this handle on stack
 239   IntrusivePtr<TextEditor> impl = new TextEditor();
 240
 241   // Pass ownership to CustomActor handle
 242   Toolkit::TextEditor handle(*impl);
 243
 244   // Second-phase init of the implementation
 245   // This can only be done after the CustomActor connection has been made...
 246   impl->Initialize();
 247
 248   return handle;
 249 }
 250
 251 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 252 {
 253   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 254
 255   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 256
 257   if(textEditor)
 258   {
 259     PropertyHandler::SetProperty(textEditor, index, value);
 260   }
 261 }
 262
 263 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 264 {
 265   Property::Value value;
 266
 267   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 268
 269   if(textEditor)
 270   {
 271     value = PropertyHandler::GetProperty(textEditor, index);
 272   }
 273   return value;
 274 }
 275
 276 void TextEditor::SelectWholeText()
 277 {
 278   if(mController && mController->IsShowingRealText())
 279   {
 280     mController->SelectWholeText();
 281     SetKeyInputFocus();
 282   }
 283 }
 284
 285 void TextEditor::SelectNone()
 286 {
 287   if(mController && mController->IsShowingRealText())
 288   {
 289     mController->SelectNone();
 290   }
 291 }
 292
 293 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 294 {
 295   if(mController && mController->IsShowingRealText())
 296   {
 297     mController->SelectText(start, end);
 298     SetKeyInputFocus();
 299   }
 300 }
 301
 302 string TextEditor::CopyText()
 303 {
 304   string copiedText = "";
 305   if(mController && mController->IsShowingRealText())
 306   {
 307     copiedText = mController->CopyText();
 308   }
 309   return copiedText;
 310 }
 311
 312 string TextEditor::CutText()
 313 {
 314   string cutText = "";
 315   if(mController && mController->IsShowingRealText())
 316   {
 317     cutText = mController->CutText();
 318   }
 319   return cutText;
 320 }
 321
 322 void TextEditor::PasteText()
 323 {
 324   if(mController)
 325   {
 326     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 327     mController->PasteText();
 328   }
 329 }
 330
 331 void TextEditor::ScrollBy(Vector2 scroll)
 332 {
 333   if(mController && mController->IsShowingRealText())
 334   {
 335     mController->ScrollBy(scroll);
 336   }
 337 }
 338
 339 float TextEditor::GetHorizontalScrollPosition()
 340 {
 341   if(mController && mController->IsShowingRealText())
 342   {
 343     return mController->GetHorizontalScrollPosition();
 344   }
 345   return 0;
 346 }
 347
 348 float TextEditor::GetVerticalScrollPosition()
 349 {
 350   if(mController && mController->IsShowingRealText())
 351   {
 352     return mController->GetVerticalScrollPosition();
 353   }
 354   return 0;
 355 }
 356
 357 Vector<Vector2> TextEditor::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
 358 {
 359   return mController->GetTextSize(startIndex, endIndex);
 360 }
 361
 362 Vector<Vector2> TextEditor::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
 363 {
 364   return mController->GetTextPosition(startIndex, endIndex);
 365 }
 366
 367 string TextEditor::GetSelectedText() const
 368 {
 369   string selectedText = "";
 370   if(mController && mController->IsShowingRealText())
 371   {
 372     selectedText = mController->GetSelectedText();
 373   }
 374   return selectedText;
 375 }
 376
 377 InputMethodContext TextEditor::GetInputMethodContext()
 378 {
 379   return mInputMethodContext;
 380 }
 381
 382 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 383 {
 384   return mMaxLengthReachedSignal;
 385 }
 386
 387 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 388 {
 389   return mAnchorClickedSignal;
 390 }
 391
 392 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 393 {
 394   return mCursorPositionChangedSignal;
 395 }
 396
 397 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 398 {
 399   return mInputFilteredSignal;
 400 }
 401
 402 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 403 {
 404   return mSelectionChangedSignal;
 405 }
 406
 407 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 408 {
 409   return mSelectionClearedSignal;
 410 }
 411
 412 DevelTextEditor::SelectionStartedSignalType& TextEditor::SelectionStartedSignal()
 413 {
 414   return mSelectionStartedSignal;
 415 }
 416
 417 Text::ControllerPtr TextEditor::GetTextController()
 418 {
 419   return mController;
 420 }
 421
 422 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 423 {
 424   Dali::BaseHandle handle(object);
 425
 426   bool                connected(true);
 427   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 428
 429   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 430   {
 431     editor.TextChangedSignal().Connect(tracker, functor);
 432   }
 433   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 434   {
 435     editor.InputStyleChangedSignal().Connect(tracker, functor);
 436   }
 437   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 438   {
 439     if(editor)
 440     {
 441       Internal::TextEditor& editorImpl(GetImpl(editor));
 442       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 443     }
 444   }
 445   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 446   {
 447     if(editor)
 448     {
 449       Internal::TextEditor& editorImpl(GetImpl(editor));
 450       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 451     }
 452   }
 453   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 454   {
 455     if(editor)
 456     {
 457       Internal::TextEditor& editorImpl(GetImpl(editor));
 458       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 459     }
 460   }
 461   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 462   {
 463     if(editor)
 464     {
 465       Internal::TextEditor& editorImpl(GetImpl(editor));
 466       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 467     }
 468   }
 469   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 470   {
 471     if(editor)
 472     {
 473       Internal::TextEditor& editorImpl(GetImpl(editor));
 474       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 475     }
 476   }
 477   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 478   {
 479     if(editor)
 480     {
 481       Internal::TextEditor& editorImpl(GetImpl(editor));
 482       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 483     }
 484   }
 485   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_STARTED))
 486   {
 487     if(editor)
 488     {
 489       Internal::TextEditor& editorImpl(GetImpl(editor));
 490       editorImpl.SelectionStartedSignal().Connect(tracker, functor);
 491     }
 492   }
 493   else
 494   {
 495     // signalName does not match any signal
 496     connected = false;
 497   }
 498
 499   return connected;
 500 }
 501
 502 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 503 {
 504   return mTextChangedSignal;
 505 }
 506
 507 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 508 {
 509   return mInputStyleChangedSignal;
 510 }
 511
 512 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 513 {
 514   return mScrollStateChangedSignal;
 515 }
 516
 517 void TextEditor::OnAccessibilityStatusChanged()
 518 {
 519   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 520 }
 521
 522 void TextEditor::OnInitialize()
 523 {
 524   Actor self = Self();
 525
 526   mController = Text::Controller::New(this, this, this, this);
 527
 528   mDecorator = Text::Decorator::New(*mController,
 529                                     *mController);
 530
 531   mInputMethodContext = InputMethodContext::New(self);
 532
 533   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 534
 535   // Enables the text input.
 536   mController->EnableTextInput(mDecorator, mInputMethodContext);
 537
 538   // Enables the vertical scrolling after the text input has been enabled.
 539   mController->SetVerticalScrollEnabled(true);
 540
 541   // Disables the horizontal scrolling.
 542   mController->SetHorizontalScrollEnabled(false);
 543
 544   // Sets the maximum number of characters.
 545   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 546
 547   // Enable the smooth handle panning.
 548   mController->SetSmoothHandlePanEnabled(true);
 549
 550   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 551   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 552
 553   // Sets layoutDirection value
 554   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 555   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 556   mController->SetLayoutDirection(layoutDirection);
 557
 558   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 559
 560   // Forward input events to controller
 561   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 562   GetTapGestureDetector().SetMaximumTapsRequired(2);
 563   GetTapGestureDetector().ReceiveAllTapEvents(true);
 564
 565   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 566
 567   // Set BoundingBox to stage size if not already set.
 568   Rect<int> boundingBox;
 569   mDecorator->GetBoundingBox(boundingBox);
 570
 571   if(boundingBox.IsEmpty())
 572   {
 573     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 574     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 575   }
 576
 577   // Whether to flip the selection handles as soon as they cross.
 578   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 579
 580   // Set the default scroll speed.
 581   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 582
 583   // Fill-parent area by default
 584   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 585   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 586   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 587
 588   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 589
 590   // Creates an extra control to be used as stencil buffer.
 591   mStencil = Control::New();
 592   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 593   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 594
 595   // Creates a background visual. Even if the color is transparent it updates the stencil.
 596   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 597                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 598
 599   // Enable the clipping property.
 600   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 601   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 602
 603   self.Add(mStencil);
 604
 605   // Accessibility
 606   self.SetProperty(DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::ENTRY);
 607   self.SetProperty(DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 608
 609   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 610   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 611 }
 612
 613 DevelControl::ControlAccessible* TextEditor::CreateAccessibleObject()
 614 {
 615   return new TextEditorAccessible(Self());
 616 }
 617
 618 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 619 {
 620   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 621
 622   switch(change)
 623   {
 624     case StyleChange::DEFAULT_FONT_CHANGE:
 625     {
 626       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 627       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 628       // Property system did not set the font so should update it.
 629       mController->UpdateAfterFontChange(newFont);
 630       RelayoutRequest();
 631       break;
 632     }
 633
 634     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 635     {
 636       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 637       RelayoutRequest();
 638       break;
 639     }
 640     case StyleChange::THEME_CHANGE:
 641     {
 642       // Nothing to do, let control base class handle this
 643       break;
 644     }
 645   }
 646
 647   // Up call to Control
 648   Control::OnStyleChange(styleManager, change);
 649 }
 650
 651 Vector3 TextEditor::GetNaturalSize()
 652 {
 653   Extents padding;
 654   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 655
 656   Vector3 naturalSize = mController->GetNaturalSize();
 657   naturalSize.width += (padding.start + padding.end);
 658   naturalSize.height += (padding.top + padding.bottom);
 659
 660   return naturalSize;
 661 }
 662
 663 float TextEditor::GetHeightForWidth(float width)
 664 {
 665   Extents padding;
 666   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 667   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 668 }
 669
 670 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 671 {
 672   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 673   {
 674     actor.SetProperty(Actor::Property::SIZE, size);
 675   }
 676 }
 677
 678 void TextEditor::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
 679 {
 680   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnPropertySet index[%d]\n", index);
 681
 682   switch(index)
 683   {
 684     case DevelActor::Property::USER_INTERACTION_ENABLED:
 685     {
 686       const bool enabled = propertyValue.Get<bool>();
 687       mController->SetUserInteractionEnabled(enabled);
 688       if(mStencil)
 689       {
 690         float opacity = enabled ? 1.0f : mController->GetDisabledColorOpacity();
 691         mStencil.SetProperty(Actor::Property::OPACITY, opacity);
 692       }
 693       break;
 694     }
 695     default:
 696     {
 697       Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
 698       break;
 699     }
 700   }
 701 }
 702
 703 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 704 {
 705   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 706
 707   Actor self = Self();
 708
 709   Extents padding;
 710   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 711
 712   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 713
 714   // Support Right-To-Left of padding
 715   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 716
 717   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 718   {
 719     std::swap(padding.start, padding.end);
 720   }
 721
 722   if(mStencil)
 723   {
 724     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 725     ResizeActor(mStencil, contentSize);
 726   }
 727   if(mActiveLayer)
 728   {
 729     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 730     ResizeActor(mActiveLayer, contentSize);
 731   }
 732   if(mCursorLayer)
 733   {
 734     mCursorLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 735     ResizeActor(mCursorLayer, contentSize);
 736   }
 737
 738   // If there is text changed, callback is called.
 739   if(mTextChanged)
 740   {
 741     EmitTextChangedSignal();
 742   }
 743
 744   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 745
 746   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 747      !mRenderer)
 748   {
 749     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 750
 751     if(mDecorator &&
 752        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 753     {
 754       mDecorator->Relayout(contentSize);
 755     }
 756
 757     if(!mRenderer)
 758     {
 759       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 760     }
 761
 762     RenderText(updateTextType);
 763   }
 764
 765   if(mCursorPositionChanged)
 766   {
 767     EmitCursorPositionChangedSignal();
 768   }
 769
 770   if(mSelectionStarted)
 771   {
 772     EmitSelectionStartedSignal();
 773   }
 774
 775   if(mSelectionChanged)
 776   {
 777     EmitSelectionChangedSignal();
 778   }
 779
 780   if(mSelectionCleared)
 781   {
 782     EmitSelectionClearedSignal();
 783   }
 784
 785   // The text-editor emits signals when the input style changes. These changes of style are
 786   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 787   // can't be emitted during the size negotiation as the callbacks may update the UI.
 788   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 789   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 790   {
 791     if(Adaptor::IsAvailable())
 792     {
 793       Adaptor& adaptor = Adaptor::Get();
 794
 795       if(NULL == mIdleCallback)
 796       {
 797         // @note: The callback manager takes the ownership of the callback object.
 798         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 799         adaptor.AddIdle(mIdleCallback, false);
 800       }
 801     }
 802   }
 803 }
 804
 805 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 806 {
 807   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mCursorLayer, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 808   if(mRenderableActor)
 809   {
 810     ApplyScrollPosition();
 811   }
 812   UpdateScrollBar();
 813 }
 814
 815 void TextEditor::OnKeyInputFocusGained()
 816 {
 817   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 818   if(mInputMethodContext && IsEditable())
 819   {
 820     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 821     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 822     mInputMethodContext.NotifyTextInputMultiLine(true);
 823
 824     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 825
 826     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 827
 828     // Notify that the text editing start.
 829     mInputMethodContext.Activate();
 830
 831     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 832     mInputMethodContext.SetRestoreAfterFocusLost(true);
 833   }
 834   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 835
 836   if(notifier)
 837   {
 838     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 839   }
 840
 841   if(IsEditable() && mController->IsUserInteractionEnabled())
 842   {
 843     mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 844   }
 845
 846   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 847 }
 848
 849 void TextEditor::OnKeyInputFocusLost()
 850 {
 851   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 852   if(mInputMethodContext)
 853   {
 854     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 855
 856     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 857     mInputMethodContext.SetRestoreAfterFocusLost(false);
 858
 859     // Notify that the text editing finish.
 860     mInputMethodContext.Deactivate();
 861
 862     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 863   }
 864   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 865
 866   if(notifier)
 867   {
 868     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 869   }
 870
 871   mController->KeyboardFocusLostEvent();
 872
 873   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 874 }
 875
 876 bool TextEditor::OnAccessibilityActivated()
 877 {
 878   SetKeyInputFocus();
 879   return true;
 880 }
 881
 882 void TextEditor::OnTap(const TapGesture& gesture)
 883 {
 884   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 885   if(mInputMethodContext && IsEditable())
 886   {
 887     mInputMethodContext.Activate();
 888   }
 889   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 890   Extents padding;
 891   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 892   const Vector2& localPoint = gesture.GetLocalPoint();
 893   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 894   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 895
 896   Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 897   if (keyboardFocusManager)
 898   {
 899     keyboardFocusManager.SetCurrentFocusActor(Self());
 900   }
 901   SetKeyInputFocus();
 902 }
 903
 904 void TextEditor::OnPan(const PanGesture& gesture)
 905 {
 906   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 907   if(gesture.GetState() == GestureState::STARTED && !mController->IsScrollable(gesture.GetDisplacement()))
 908   {
 909     Dali::DevelActor::SetNeedGesturePropagation(Self(), true);
 910   }
 911 }
 912
 913 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 914 {
 915   if(mInputMethodContext && IsEditable())
 916   {
 917     mInputMethodContext.Activate();
 918   }
 919   Extents padding;
 920   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 921   const Vector2& localPoint = gesture.GetLocalPoint();
 922   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 923
 924   SetKeyInputFocus();
 925 }
 926
 927 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 928 {
 929   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 930
 931   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 932   {
 933     // Make sure ClearKeyInputFocus when only key is up
 934     if(event.GetState() == KeyEvent::UP)
 935     {
 936       Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 937       if (keyboardFocusManager)
 938       {
 939         keyboardFocusManager.ClearFocus();
 940       }
 941       ClearKeyInputFocus();
 942     }
 943
 944     return true;
 945   }
 946
 947   return mController->KeyEvent(event);
 948 }
 949
 950 void TextEditor::RequestTextRelayout()
 951 {
 952   RelayoutRequest();
 953 }
 954
 955 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 956 {
 957   GetAccessibleObject()->EmitTextInserted(position, length, content);
 958 }
 959
 960 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 961 {
 962   GetAccessibleObject()->EmitTextDeleted(position, length, content);
 963 }
 964
 965 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 966 {
 967   GetAccessibleObject()->EmitTextCursorMoved(newPosition);
 968
 969   if((oldPosition != newPosition) && !mCursorPositionChanged)
 970   {
 971     mCursorPositionChanged = true;
 972     mOldPosition           = oldPosition;
 973   }
 974 }
 975
 976 void TextEditor::TextChanged(bool immediate)
 977 {
 978   if(immediate) // Emits TextChangedSignal immediately
 979   {
 980     EmitTextChangedSignal();
 981   }
 982   else
 983   {
 984     mTextChanged = true;
 985   }
 986 }
 987
 988 void TextEditor::EmitTextChangedSignal()
 989 {
 990   Dali::Toolkit::TextEditor handle(GetOwner());
 991   mTextChangedSignal.Emit(handle);
 992   mTextChanged = false;
 993 }
 994
 995 void TextEditor::MaxLengthReached()
 996 {
 997   Dali::Toolkit::TextEditor handle(GetOwner());
 998   mMaxLengthReachedSignal.Emit(handle);
 999 }
1000
1001 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
1002 {
1003   Dali::Toolkit::TextEditor handle(GetOwner());
1004   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
1005 }
1006
1007 void TextEditor::AnchorClicked(const std::string& href)
1008 {
1009   Dali::Toolkit::TextEditor handle(GetOwner());
1010   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
1011 }
1012
1013 void TextEditor::EmitCursorPositionChangedSignal()
1014 {
1015   Dali::Toolkit::TextEditor handle(GetOwner());
1016   mCursorPositionChanged = false;
1017   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
1018 }
1019
1020 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
1021 {
1022   Dali::Toolkit::TextEditor handle(GetOwner());
1023   mInputFilteredSignal.Emit(handle, type);
1024 }
1025
1026 void TextEditor::EmitSelectionChangedSignal()
1027 {
1028   Dali::Toolkit::TextEditor handle(GetOwner());
1029   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
1030   mSelectionChanged = false;
1031 }
1032
1033 void TextEditor::EmitSelectionClearedSignal()
1034 {
1035   Dali::Toolkit::TextEditor handle(GetOwner());
1036   mSelectionClearedSignal.Emit(handle);
1037   mSelectionCleared = false;
1038 }
1039
1040 void TextEditor::EmitSelectionStartedSignal()
1041 {
1042   Dali::Toolkit::TextEditor handle(GetOwner());
1043   mSelectionStartedSignal.Emit(handle);
1044   mSelectionStarted = false;
1045 }
1046
1047 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
1048 {
1049   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
1050   {
1051     if(newStart == newEnd)
1052     {
1053       mSelectionCleared = true;
1054     }
1055     else
1056     {
1057       if(oldStart == oldEnd)
1058       {
1059         mSelectionStarted = true;
1060       }
1061     }
1062
1063     mSelectionChanged  = true;
1064     mOldSelectionStart = oldStart;
1065     mOldSelectionEnd   = oldEnd;
1066
1067     if(mOldSelectionStart > mOldSelectionEnd)
1068     {
1069       //swap
1070       uint32_t temp      = mOldSelectionStart;
1071       mOldSelectionStart = mOldSelectionEnd;
1072       mOldSelectionEnd   = temp;
1073     }
1074   }
1075 }
1076
1077 void TextEditor::AddDecoration(Actor& actor, DecorationType type, bool needsClipping)
1078 {
1079   if(actor)
1080   {
1081     if(needsClipping)
1082     {
1083       mClippingDecorationActors.push_back(actor);
1084     }
1085
1086     // If the actor is a layer type, add it.
1087     if(type == DecorationType::ACTIVE_LAYER)
1088     {
1089       AddLayer(mActiveLayer, actor);
1090     }
1091     else if(type == DecorationType::CURSOR_LAYER)
1092     {
1093       AddLayer(mCursorLayer, actor);
1094     }
1095   }
1096 }
1097
1098 void TextEditor::AddLayer(Actor& layer, Actor& actor)
1099 {
1100   actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1101   actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1102   Self().Add(actor);
1103   layer = actor;
1104 }
1105
1106 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1107 {
1108   if(mController && mController->IsShowingRealText())
1109   {
1110     mController->SetTextSelectionRange(start, end);
1111     SetKeyInputFocus();
1112   }
1113 }
1114
1115 Uint32Pair TextEditor::GetTextSelectionRange() const
1116 {
1117   Uint32Pair range(0, 0);
1118   if(mController && mController->IsShowingRealText())
1119   {
1120     range = mController->GetTextSelectionRange();
1121   }
1122   return range;
1123 }
1124
1125 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1126 {
1127   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1128   Property::Map*  resultMap = propValue.GetMap();
1129
1130   Property::Value* colorValue = nullptr;
1131   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1132   {
1133     colorValue->Get(color);
1134   }
1135 }
1136
1137 void TextEditor::UpdateScrollBar()
1138 {
1139   using namespace Dali;
1140
1141   float scrollPosition;
1142   float controlSize;
1143   float layoutSize;
1144   bool  latestScrolled;
1145
1146   if(!mScrollBarEnabled)
1147   {
1148     return;
1149   }
1150   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1151   if(!latestScrolled || controlSize > layoutSize)
1152   {
1153     return;
1154   }
1155
1156   CustomActor self = Self();
1157   if(!mScrollBar)
1158   {
1159     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1160     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1161     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1162     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1163     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1164     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1165
1166     // Register the scroll position property
1167     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1168     // Register the minimum scroll position property
1169     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1170     // Register the maximum scroll position property
1171     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1172     // Register the scroll content size property
1173     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1174
1175     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1176
1177     // Set style name of ScrollBar for styling
1178     mScrollBar.SetStyleName("TextEditorScrollBar");
1179     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1180     if(scrollIndicator)
1181     {
1182       // Set style name of ScrollBarIndicator for styling
1183       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1184     }
1185
1186     self.Add(mScrollBar);
1187   }
1188   else
1189   {
1190     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1191     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1192     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1193
1194     self.SetProperty(propertyScrollPosition, scrollPosition);
1195     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1196     self.SetProperty(propertyScrollContentSize, layoutSize);
1197   }
1198
1199   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1200   if(!mScrollStarted)
1201   {
1202     mScrollStarted = true;
1203     Dali::Toolkit::TextEditor handle(GetOwner());
1204     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1205   }
1206
1207   Actor indicator = mScrollBar.GetScrollIndicator();
1208   if(mAnimation)
1209   {
1210     mAnimation.Stop(); // Cancel any animation
1211   }
1212   else
1213   {
1214     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1215   }
1216   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1217   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1218   mAnimation.Play();
1219   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1220 }
1221
1222 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1223 {
1224   // If animation is successfully ended, then emit ScrollStateChangedSignal
1225   if(animation.GetCurrentProgress() == 0.0f)
1226   {
1227     mScrollStarted = false;
1228     Dali::Toolkit::TextEditor handle(GetOwner());
1229     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1230   }
1231 }
1232
1233 void TextEditor::OnSceneConnect(Dali::Actor actor)
1234 {
1235   if(mHasBeenStaged)
1236   {
1237     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1238   }
1239   else
1240   {
1241     mHasBeenStaged = true;
1242   }
1243 }
1244
1245 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1246 {
1247   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1248   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1249 }
1250
1251 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1252 {
1253   if(mDecorator)
1254   {
1255     Property::Map map;
1256     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1257
1258     value = map;
1259   }
1260 }
1261
1262 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1263 {
1264   mController->PasteClipboardItemEvent();
1265 }
1266
1267 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1268 {
1269   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1270
1271   // Just hide the grab handle when keyboard is hidden.
1272   if(!keyboardShown)
1273   {
1274     mController->KeyboardFocusLostEvent();
1275   }
1276   else
1277   {
1278     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1279   }
1280 }
1281
1282 void TextEditor::OnSceneConnection(int depth)
1283 {
1284   // Sets the depth to the visuals inside the text's decorator.
1285   mDecorator->SetTextDepth(depth);
1286
1287   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1288
1289   // Call the Control::OnSceneConnection() to set the depth of the background.
1290   Control::OnSceneConnection(depth);
1291 }
1292
1293 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1294 {
1295   return false;
1296 }
1297
1298 void TextEditor::OnIdleSignal()
1299 {
1300   // Emits the change of input style signals.
1301   mController->ProcessInputStyleChangedSignals();
1302
1303   // Set the pointer to null as the callback manager deletes the callback after execute it.
1304   mIdleCallback = NULL;
1305 }
1306
1307 void TextEditor::ApplyScrollPosition()
1308 {
1309   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1310   float          scrollAmount = 0.0f;
1311
1312   if(mScrollAnimationEnabled)
1313   {
1314     scrollAmount = mController->GetScrollAmountByUserInput();
1315   }
1316   if(mTextVerticalScroller)
1317   {
1318     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1319   }
1320   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1321   {
1322     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1323   }
1324   else
1325   {
1326     mTextVerticalScroller = Text::TextVerticalScroller::New();
1327     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1328     {
1329       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1330     }
1331     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1332   }
1333 }
1334
1335 bool TextEditor::IsEditable() const
1336 {
1337   return mController->IsEditable();
1338 }
1339
1340 void TextEditor::SetEditable(bool editable)
1341 {
1342   mController->SetEditable(editable);
1343   if(mInputMethodContext && !editable)
1344   {
1345     mInputMethodContext.Deactivate();
1346   }
1347 }
1348
1349 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1350 {
1351   mController->ChangedLayoutDirection();
1352 }
1353
1354 TextEditor::TextEditor()
1355 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1356   mAnimationPeriod(0.0f, 0.0f),
1357   mIdleCallback(NULL),
1358   mAlignmentOffset(0.f),
1359   mScrollAnimationDuration(0.f),
1360   mLineSpacing(0.f),
1361   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1362   mHasBeenStaged(false),
1363   mScrollAnimationEnabled(false),
1364   mScrollBarEnabled(false),
1365   mScrollStarted(false),
1366   mTextChanged(false),
1367   mCursorPositionChanged(false),
1368   mSelectionChanged(false),
1369   mSelectionCleared(false),
1370   mOldPosition(0u),
1371   mOldSelectionStart(0u),
1372   mOldSelectionEnd(0u),
1373   mSelectionStarted(false)
1374 {
1375 }
1376
1377 TextEditor::~TextEditor()
1378 {
1379   UnparentAndReset(mStencil);
1380
1381   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1382   {
1383     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1384     Adaptor::Get().RemoveIdle(mIdleCallback);
1385   }
1386 }
1387
1388 std::string TextEditor::TextEditorAccessible::GetName() const
1389 {
1390   return GetWholeText();
1391 }
1392
1393 const std::vector<Toolkit::TextAnchor>& TextEditor::TextEditorAccessible::GetTextAnchors() const
1394 {
1395   auto self = Toolkit::TextEditor::DownCast(Self());
1396
1397   return Toolkit::GetImpl(self).mAnchorActors;
1398 }
1399
1400 Toolkit::Text::ControllerPtr TextEditor::TextEditorAccessible::GetTextController() const
1401 {
1402   auto self = Toolkit::TextEditor::DownCast(Self());
1403
1404   return Toolkit::GetImpl(self).GetTextController();
1405 }
1406
1407 void TextEditor::TextEditorAccessible::RequestTextRelayout()
1408 {
1409   auto  self     = Toolkit::TextEditor::DownCast(Self());
1410   auto& selfImpl = Toolkit::GetImpl(self);
1411
1412   selfImpl.RequestTextRelayout();
1413 }
1414
1415 } // namespace Internal
1416
1417 } // namespace Toolkit
1418
1419 } // namespace Dali