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 }
 908
 909 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 910 {
 911   if(mInputMethodContext && IsEditable())
 912   {
 913     mInputMethodContext.Activate();
 914   }
 915   Extents padding;
 916   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 917   const Vector2& localPoint = gesture.GetLocalPoint();
 918   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 919
 920   SetKeyInputFocus();
 921 }
 922
 923 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 924 {
 925   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 926
 927   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 928   {
 929     // Make sure ClearKeyInputFocus when only key is up
 930     if(event.GetState() == KeyEvent::UP)
 931     {
 932       Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 933       if (keyboardFocusManager)
 934       {
 935         keyboardFocusManager.ClearFocus();
 936       }
 937       ClearKeyInputFocus();
 938     }
 939
 940     return true;
 941   }
 942
 943   return mController->KeyEvent(event);
 944 }
 945
 946 void TextEditor::RequestTextRelayout()
 947 {
 948   RelayoutRequest();
 949 }
 950
 951 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 952 {
 953   GetAccessibleObject()->EmitTextInserted(position, length, content);
 954 }
 955
 956 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 957 {
 958   GetAccessibleObject()->EmitTextDeleted(position, length, content);
 959 }
 960
 961 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 962 {
 963   GetAccessibleObject()->EmitTextCursorMoved(newPosition);
 964
 965   if((oldPosition != newPosition) && !mCursorPositionChanged)
 966   {
 967     mCursorPositionChanged = true;
 968     mOldPosition           = oldPosition;
 969   }
 970 }
 971
 972 void TextEditor::TextChanged(bool immediate)
 973 {
 974   if(immediate) // Emits TextChangedSignal immediately
 975   {
 976     EmitTextChangedSignal();
 977   }
 978   else
 979   {
 980     mTextChanged = true;
 981   }
 982 }
 983
 984 void TextEditor::EmitTextChangedSignal()
 985 {
 986   Dali::Toolkit::TextEditor handle(GetOwner());
 987   mTextChangedSignal.Emit(handle);
 988   mTextChanged = false;
 989 }
 990
 991 void TextEditor::MaxLengthReached()
 992 {
 993   Dali::Toolkit::TextEditor handle(GetOwner());
 994   mMaxLengthReachedSignal.Emit(handle);
 995 }
 996
 997 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
 998 {
 999   Dali::Toolkit::TextEditor handle(GetOwner());
1000   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
1001 }
1002
1003 void TextEditor::AnchorClicked(const std::string& href)
1004 {
1005   Dali::Toolkit::TextEditor handle(GetOwner());
1006   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
1007 }
1008
1009 void TextEditor::EmitCursorPositionChangedSignal()
1010 {
1011   Dali::Toolkit::TextEditor handle(GetOwner());
1012   mCursorPositionChanged = false;
1013   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
1014 }
1015
1016 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
1017 {
1018   Dali::Toolkit::TextEditor handle(GetOwner());
1019   mInputFilteredSignal.Emit(handle, type);
1020 }
1021
1022 void TextEditor::EmitSelectionChangedSignal()
1023 {
1024   Dali::Toolkit::TextEditor handle(GetOwner());
1025   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
1026   mSelectionChanged = false;
1027 }
1028
1029 void TextEditor::EmitSelectionClearedSignal()
1030 {
1031   Dali::Toolkit::TextEditor handle(GetOwner());
1032   mSelectionClearedSignal.Emit(handle);
1033   mSelectionCleared = false;
1034 }
1035
1036 void TextEditor::EmitSelectionStartedSignal()
1037 {
1038   Dali::Toolkit::TextEditor handle(GetOwner());
1039   mSelectionStartedSignal.Emit(handle);
1040   mSelectionStarted = false;
1041 }
1042
1043 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
1044 {
1045   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
1046   {
1047     if(newStart == newEnd)
1048     {
1049       mSelectionCleared = true;
1050     }
1051     else
1052     {
1053       if(oldStart == oldEnd)
1054       {
1055         mSelectionStarted = true;
1056       }
1057     }
1058
1059     mSelectionChanged  = true;
1060     mOldSelectionStart = oldStart;
1061     mOldSelectionEnd   = oldEnd;
1062
1063     if(mOldSelectionStart > mOldSelectionEnd)
1064     {
1065       //swap
1066       uint32_t temp      = mOldSelectionStart;
1067       mOldSelectionStart = mOldSelectionEnd;
1068       mOldSelectionEnd   = temp;
1069     }
1070   }
1071 }
1072
1073 void TextEditor::AddDecoration(Actor& actor, DecorationType type, bool needsClipping)
1074 {
1075   if(actor)
1076   {
1077     if(needsClipping)
1078     {
1079       mClippingDecorationActors.push_back(actor);
1080     }
1081
1082     // If the actor is a layer type, add it.
1083     if(type == DecorationType::ACTIVE_LAYER)
1084     {
1085       AddLayer(mActiveLayer, actor);
1086     }
1087     else if(type == DecorationType::CURSOR_LAYER)
1088     {
1089       AddLayer(mCursorLayer, actor);
1090     }
1091   }
1092 }
1093
1094 void TextEditor::AddLayer(Actor& layer, Actor& actor)
1095 {
1096   actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1097   actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1098   Self().Add(actor);
1099   layer = actor;
1100 }
1101
1102 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1103 {
1104   if(mController && mController->IsShowingRealText())
1105   {
1106     mController->SetTextSelectionRange(start, end);
1107     SetKeyInputFocus();
1108   }
1109 }
1110
1111 Uint32Pair TextEditor::GetTextSelectionRange() const
1112 {
1113   Uint32Pair range(0, 0);
1114   if(mController && mController->IsShowingRealText())
1115   {
1116     range = mController->GetTextSelectionRange();
1117   }
1118   return range;
1119 }
1120
1121 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1122 {
1123   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1124   Property::Map*  resultMap = propValue.GetMap();
1125
1126   Property::Value* colorValue = nullptr;
1127   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1128   {
1129     colorValue->Get(color);
1130   }
1131 }
1132
1133 void TextEditor::UpdateScrollBar()
1134 {
1135   using namespace Dali;
1136
1137   float scrollPosition;
1138   float controlSize;
1139   float layoutSize;
1140   bool  latestScrolled;
1141
1142   if(!mScrollBarEnabled)
1143   {
1144     return;
1145   }
1146   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1147   if(!latestScrolled || controlSize > layoutSize)
1148   {
1149     return;
1150   }
1151
1152   CustomActor self = Self();
1153   if(!mScrollBar)
1154   {
1155     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1156     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1157     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1158     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1159     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1160     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1161
1162     // Register the scroll position property
1163     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1164     // Register the minimum scroll position property
1165     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1166     // Register the maximum scroll position property
1167     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1168     // Register the scroll content size property
1169     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1170
1171     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1172
1173     // Set style name of ScrollBar for styling
1174     mScrollBar.SetStyleName("TextEditorScrollBar");
1175     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1176     if(scrollIndicator)
1177     {
1178       // Set style name of ScrollBarIndicator for styling
1179       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1180     }
1181
1182     self.Add(mScrollBar);
1183   }
1184   else
1185   {
1186     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1187     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1188     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1189
1190     self.SetProperty(propertyScrollPosition, scrollPosition);
1191     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1192     self.SetProperty(propertyScrollContentSize, layoutSize);
1193   }
1194
1195   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1196   if(!mScrollStarted)
1197   {
1198     mScrollStarted = true;
1199     Dali::Toolkit::TextEditor handle(GetOwner());
1200     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1201   }
1202
1203   Actor indicator = mScrollBar.GetScrollIndicator();
1204   if(mAnimation)
1205   {
1206     mAnimation.Stop(); // Cancel any animation
1207   }
1208   else
1209   {
1210     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1211   }
1212   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1213   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1214   mAnimation.Play();
1215   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1216 }
1217
1218 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1219 {
1220   // If animation is successfully ended, then emit ScrollStateChangedSignal
1221   if(animation.GetCurrentProgress() == 0.0f)
1222   {
1223     mScrollStarted = false;
1224     Dali::Toolkit::TextEditor handle(GetOwner());
1225     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1226   }
1227 }
1228
1229 void TextEditor::OnSceneConnect(Dali::Actor actor)
1230 {
1231   if(mHasBeenStaged)
1232   {
1233     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1234   }
1235   else
1236   {
1237     mHasBeenStaged = true;
1238   }
1239 }
1240
1241 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1242 {
1243   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1244   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1245 }
1246
1247 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1248 {
1249   if(mDecorator)
1250   {
1251     Property::Map map;
1252     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1253
1254     value = map;
1255   }
1256 }
1257
1258 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1259 {
1260   mController->PasteClipboardItemEvent();
1261 }
1262
1263 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1264 {
1265   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1266
1267   // Just hide the grab handle when keyboard is hidden.
1268   if(!keyboardShown)
1269   {
1270     mController->KeyboardFocusLostEvent();
1271   }
1272   else
1273   {
1274     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1275   }
1276 }
1277
1278 void TextEditor::OnSceneConnection(int depth)
1279 {
1280   // Sets the depth to the visuals inside the text's decorator.
1281   mDecorator->SetTextDepth(depth);
1282
1283   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1284
1285   // Call the Control::OnSceneConnection() to set the depth of the background.
1286   Control::OnSceneConnection(depth);
1287 }
1288
1289 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1290 {
1291   return false;
1292 }
1293
1294 void TextEditor::OnIdleSignal()
1295 {
1296   // Emits the change of input style signals.
1297   mController->ProcessInputStyleChangedSignals();
1298
1299   // Set the pointer to null as the callback manager deletes the callback after execute it.
1300   mIdleCallback = NULL;
1301 }
1302
1303 void TextEditor::ApplyScrollPosition()
1304 {
1305   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1306   float          scrollAmount = 0.0f;
1307
1308   if(mScrollAnimationEnabled)
1309   {
1310     scrollAmount = mController->GetScrollAmountByUserInput();
1311   }
1312   if(mTextVerticalScroller)
1313   {
1314     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1315   }
1316   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1317   {
1318     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1319   }
1320   else
1321   {
1322     mTextVerticalScroller = Text::TextVerticalScroller::New();
1323     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1324     {
1325       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1326     }
1327     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1328   }
1329 }
1330
1331 bool TextEditor::IsEditable() const
1332 {
1333   return mController->IsEditable();
1334 }
1335
1336 void TextEditor::SetEditable(bool editable)
1337 {
1338   mController->SetEditable(editable);
1339   if(mInputMethodContext && !editable)
1340   {
1341     mInputMethodContext.Deactivate();
1342   }
1343 }
1344
1345 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1346 {
1347   mController->ChangedLayoutDirection();
1348 }
1349
1350 TextEditor::TextEditor()
1351 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1352   mAnimationPeriod(0.0f, 0.0f),
1353   mIdleCallback(NULL),
1354   mAlignmentOffset(0.f),
1355   mScrollAnimationDuration(0.f),
1356   mLineSpacing(0.f),
1357   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1358   mHasBeenStaged(false),
1359   mScrollAnimationEnabled(false),
1360   mScrollBarEnabled(false),
1361   mScrollStarted(false),
1362   mTextChanged(false),
1363   mCursorPositionChanged(false),
1364   mSelectionChanged(false),
1365   mSelectionCleared(false),
1366   mOldPosition(0u),
1367   mOldSelectionStart(0u),
1368   mOldSelectionEnd(0u),
1369   mSelectionStarted(false)
1370 {
1371 }
1372
1373 TextEditor::~TextEditor()
1374 {
1375   UnparentAndReset(mStencil);
1376
1377   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1378   {
1379     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1380     Adaptor::Get().RemoveIdle(mIdleCallback);
1381   }
1382 }
1383
1384 std::string TextEditor::TextEditorAccessible::GetName() const
1385 {
1386   return GetWholeText();
1387 }
1388
1389 const std::vector<Toolkit::TextAnchor>& TextEditor::TextEditorAccessible::GetTextAnchors() const
1390 {
1391   auto self = Toolkit::TextEditor::DownCast(Self());
1392
1393   return Toolkit::GetImpl(self).mAnchorActors;
1394 }
1395
1396 Toolkit::Text::ControllerPtr TextEditor::TextEditorAccessible::GetTextController() const
1397 {
1398   auto self = Toolkit::TextEditor::DownCast(Self());
1399
1400   return Toolkit::GetImpl(self).GetTextController();
1401 }
1402
1403 void TextEditor::TextEditorAccessible::RequestTextRelayout()
1404 {
1405   auto  self     = Toolkit::TextEditor::DownCast(Self());
1406   auto& selfImpl = Toolkit::GetImpl(self);
1407
1408   selfImpl.RequestTextRelayout();
1409 }
1410
1411 } // namespace Internal
1412
1413 } // namespace Toolkit
1414
1415 } // namespace Dali