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