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/math/math-utils.h>
  31 #include <dali/public-api/object/type-registry-helper.h>
  32 #include <cstring>
  33 #include <limits>
  34
  35 // INTERNAL INCLUDES
  36 #include <dali-toolkit/devel-api/controls/control-devel.h>
  37 #include <dali-toolkit/devel-api/text/rendering-backend.h>
  38 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
  39 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  40 #include <dali-toolkit/internal/controls/text-controls/text-editor-property-handler.h>
  41 #include <dali-toolkit/internal/focus-manager/keyboard-focus-manager-impl.h>
  42 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  43 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  44 #include <dali-toolkit/internal/text/text-effects-style.h>
  45 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  46 #include <dali-toolkit/internal/text/text-font-style.h>
  47 #include <dali-toolkit/internal/text/text-view.h>
  48 #include <dali-toolkit/public-api/text/text-enumerations.h>
  49 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  50 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  51
  52 using namespace Dali::Toolkit::Text;
  53
  54 #if defined(DEBUG_ENABLED)
  55 Debug::Filter* gTextEditorLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  56 #endif
  57
  58 namespace Dali
  59 {
  60 namespace Toolkit
  61 {
  62 namespace Internal
  63 {
  64 namespace // unnamed namespace
  65 {
  66 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  67 const float        DEFAULT_SCROLL_SPEED      = 1200.f; ///< The default scroll speed for the text editor in pixels/second.
  68 } // unnamed namespace
  69
  70 namespace
  71 {
  72 const char* const SCROLL_BAR_POSITION("sourcePosition");
  73 const char* const SCROLL_BAR_POSITION_MIN("sourcePositionMin");
  74 const char* const SCROLL_BAR_POSITION_MAX("sourcePositionMax");
  75 const char* const SCROLL_BAR_CONTENT_SIZE("sourceContentSize");
  76
  77 // Type registration
  78 BaseHandle Create()
  79 {
  80   return Toolkit::TextEditor::New();
  81 }
  82
  83 // clang-format off
  84 // Setup properties, signals and actions using the type-registry.
  85 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::TextEditor, Toolkit::Control, Create);
  86
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "text",                                 STRING,    TEXT                                )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "textColor",                            VECTOR4,   TEXT_COLOR                          )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontFamily",                           STRING,    FONT_FAMILY                         )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontStyle",                            MAP,       FONT_STYLE                          )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pointSize",                            FLOAT,     POINT_SIZE                          )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "horizontalAlignment",                  STRING,    HORIZONTAL_ALIGNMENT                )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollThreshold",                      FLOAT,     SCROLL_THRESHOLD                    )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollSpeed",                          FLOAT,     SCROLL_SPEED                        )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "primaryCursorColor",                   VECTOR4,   PRIMARY_CURSOR_COLOR                )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "secondaryCursorColor",                 VECTOR4,   SECONDARY_CURSOR_COLOR              )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableCursorBlink",                    BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkInterval",                  FLOAT,     CURSOR_BLINK_INTERVAL               )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkDuration",                  FLOAT,     CURSOR_BLINK_DURATION               )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorWidth",                          INTEGER,   CURSOR_WIDTH                        )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandleImage",                      STRING,    GRAB_HANDLE_IMAGE                   )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandlePressedImage",               STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageLeft",             MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageRight",            MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageLeft",      MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageRight",     MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageLeft",       MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageRight",      MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHighlightColor",              VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "decorationBoundingBox",                RECTANGLE, DECORATION_BOUNDING_BOX             )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableMarkup",                         BOOLEAN,   ENABLE_MARKUP                       )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputColor",                           VECTOR4,   INPUT_COLOR                         )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontFamily",                      STRING,    INPUT_FONT_FAMILY                   )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontStyle",                       MAP,       INPUT_FONT_STYLE                    )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputPointSize",                       FLOAT,     INPUT_POINT_SIZE                    )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineSpacing",                          FLOAT,     LINE_SPACING                        )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputLineSpacing",                     FLOAT,     INPUT_LINE_SPACING                  )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "underline",                            MAP,       UNDERLINE                           )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputUnderline",                       MAP,       INPUT_UNDERLINE                     )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "shadow",                               MAP,       SHADOW                              )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputShadow",                          MAP,       INPUT_SHADOW                        )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "emboss",                               MAP,       EMBOSS                              )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputEmboss",                          MAP,       INPUT_EMBOSS                        )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "outline",                              MAP,       OUTLINE                             )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputOutline",                         MAP,       INPUT_OUTLINE                       )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScroll",                         BOOLEAN,   SMOOTH_SCROLL                       )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScrollDuration",                 FLOAT,     SMOOTH_SCROLL_DURATION              )
 128 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableScrollBar",                      BOOLEAN,   ENABLE_SCROLL_BAR                   )
 129 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarShowDuration",                FLOAT,     SCROLL_BAR_SHOW_DURATION            )
 130 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarFadeDuration",                FLOAT,     SCROLL_BAR_FADE_DURATION            )
 131 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pixelSize",                            FLOAT,     PIXEL_SIZE                          )
 132 DALI_PROPERTY_REGISTRATION_READ_ONLY(Toolkit,       TextEditor, "lineCount",                            INTEGER,   LINE_COUNT                          )
 133 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableSelection",                      BOOLEAN,   ENABLE_SELECTION                    )
 134 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "placeholder",                          MAP,       PLACEHOLDER                         )
 135 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineWrapMode",                         INTEGER,   LINE_WRAP_MODE                      )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderText",                      STRING,    PLACEHOLDER_TEXT                    )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderTextColor",                 VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableShiftSelection",                 BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandle",                     BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "matchSystemLanguageDirection",         BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "renderingBackend",                     INTEGER,   RENDERING_BACKEND                   )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "maxLength",                            INTEGER,   MAX_LENGTH                          )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextStart",                    INTEGER,   SELECTED_TEXT_START                 )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextEnd",                      INTEGER,   SELECTED_TEXT_END                   )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "horizontalScrollPosition",             FLOAT,     HORIZONTAL_SCROLL_POSITION          )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalScrollPosition",               INTEGER,   VERTICAL_SCROLL_POSITION            )
 147 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableEditing",                        BOOLEAN,   ENABLE_EDITING                      )
 148 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextEditor, "selectedText",                         STRING,    SELECTED_TEXT                       )
 149 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "fontSizeScale",                        FLOAT,     FONT_SIZE_SCALE                     )
 150 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableFontSizeScale",                  BOOLEAN,   ENABLE_FONT_SIZE_SCALE              )
 151 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "primaryCursorPosition",                INTEGER,   PRIMARY_CURSOR_POSITION             )
 152 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "grabHandleColor",                      VECTOR4,   GRAB_HANDLE_COLOR                   )
 153 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandlePopup",                BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 154 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputMethodSettings",                  MAP,       INPUT_METHOD_SETTINGS               )
 155 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputFilter",                          MAP,       INPUT_FILTER                        )
 156 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsis",                             BOOLEAN,   ELLIPSIS                            )
 157 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsisPosition",                     INTEGER,   ELLIPSIS_POSITION                   )
 158 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "minLineSize",                          FLOAT,     MIN_LINE_SIZE                       )
 159 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "strikethrough",                        MAP,       STRIKETHROUGH                       )
 160 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputStrikethrough",                   MAP,       INPUT_STRIKETHROUGH                 )
 161 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "characterSpacing",                     FLOAT,     CHARACTER_SPACING                   )
 162 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "relativeLineSize",                     FLOAT,     RELATIVE_LINE_SIZE                  )
 163 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalAlignment",                    STRING,    VERTICAL_ALIGNMENT                  )
 164 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectionPopupStyle",                  MAP,       SELECTION_POPUP_STYLE               )
 165
 166 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "textChanged",           SIGNAL_TEXT_CHANGED           )
 167 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 168 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 169 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 170 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 171 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 172 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 173 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 174 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionStarted",      SIGNAL_SELECTION_STARTED      )
 175
 176 DALI_TYPE_REGISTRATION_END()
 177 // clang-format on
 178
 179 Toolkit::TextEditor::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 180 {
 181   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 182
 183   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 184   {
 185     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 186   }
 187   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 188   {
 189     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 190   }
 191   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 192   {
 193     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 194   }
 195   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 196   {
 197     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 198   }
 199   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 200   {
 201     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 202   }
 203   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 204   {
 205     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 206   }
 207   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 208   {
 209     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 210   }
 211   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 212   {
 213     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 214   }
 215   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 216   {
 217     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 218   }
 219   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 220   {
 221     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 222   }
 223   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 224   {
 225     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
 226   }
 227   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_STRIKETHROUGH))
 228   {
 229     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::STRIKETHROUGH);
 230   }
 231
 232   return editorInputStyleMask;
 233 }
 234
 235 } // namespace
 236
 237 Toolkit::TextEditor TextEditor::New(ControlBehaviour additionalBehaviour)
 238 {
 239   // Create the implementation, temporarily owned by this handle on stack
 240   IntrusivePtr<TextEditor> impl = new TextEditor(additionalBehaviour);
 241
 242   // Pass ownership to CustomActor handle
 243   Toolkit::TextEditor handle(*impl);
 244
 245   // Second-phase init of the implementation
 246   // This can only be done after the CustomActor connection has been made...
 247   impl->Initialize();
 248
 249   return handle;
 250 }
 251
 252 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 253 {
 254   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 255
 256   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 257
 258   if(textEditor)
 259   {
 260     PropertyHandler::SetProperty(textEditor, index, value);
 261   }
 262 }
 263
 264 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 265 {
 266   Property::Value value;
 267
 268   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 269
 270   if(textEditor)
 271   {
 272     value = PropertyHandler::GetProperty(textEditor, index);
 273   }
 274   return value;
 275 }
 276
 277 void TextEditor::SelectWholeText()
 278 {
 279   if(mController && mController->IsShowingRealText())
 280   {
 281     mController->SelectWholeText();
 282     SetKeyInputFocus();
 283   }
 284 }
 285
 286 void TextEditor::SelectNone()
 287 {
 288   if(mController && mController->IsShowingRealText())
 289   {
 290     mController->SelectNone();
 291   }
 292 }
 293
 294 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 295 {
 296   if(mController && mController->IsShowingRealText())
 297   {
 298     mController->SelectText(start, end);
 299     SetKeyInputFocus();
 300   }
 301 }
 302
 303 string TextEditor::CopyText()
 304 {
 305   string copiedText = "";
 306   if(mController && mController->IsShowingRealText())
 307   {
 308     copiedText = mController->CopyText();
 309   }
 310   return copiedText;
 311 }
 312
 313 string TextEditor::CutText()
 314 {
 315   string cutText = "";
 316   if(mController && mController->IsShowingRealText())
 317   {
 318     cutText = mController->CutText();
 319   }
 320   return cutText;
 321 }
 322
 323 void TextEditor::PasteText()
 324 {
 325   if(mController)
 326   {
 327     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 328     mController->PasteText();
 329   }
 330 }
 331
 332 void TextEditor::ScrollBy(Vector2 scroll)
 333 {
 334   if(mController && mController->IsShowingRealText())
 335   {
 336     mController->ScrollBy(scroll);
 337   }
 338 }
 339
 340 float TextEditor::GetHorizontalScrollPosition()
 341 {
 342   if(mController && mController->IsShowingRealText())
 343   {
 344     return mController->GetHorizontalScrollPosition();
 345   }
 346   return 0;
 347 }
 348
 349 float TextEditor::GetVerticalScrollPosition()
 350 {
 351   if(mController && mController->IsShowingRealText())
 352   {
 353     return mController->GetVerticalScrollPosition();
 354   }
 355   return 0;
 356 }
 357
 358 Vector<Vector2> TextEditor::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
 359 {
 360   return mController->GetTextSize(startIndex, endIndex);
 361 }
 362
 363 Vector<Vector2> TextEditor::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
 364 {
 365   return mController->GetTextPosition(startIndex, endIndex);
 366 }
 367
 368 Rect<float> TextEditor::GetLineBoundingRectangle(const uint32_t lineIndex) const
 369 {
 370   return mController->GetLineBoundingRectangle(lineIndex);
 371 }
 372
 373 Rect<float> TextEditor::GetCharacterBoundingRectangle(const uint32_t charIndex) const
 374 {
 375   return mController->GetCharacterBoundingRectangle(charIndex);
 376 }
 377
 378 void TextEditor::SetSpannedText(const Text::Spanned& spannedText)
 379 {
 380   mController->SetSpannedText(spannedText);
 381 }
 382
 383 string TextEditor::GetSelectedText() const
 384 {
 385   string selectedText = "";
 386   if(mController && mController->IsShowingRealText())
 387   {
 388     selectedText = mController->GetSelectedText();
 389   }
 390   return selectedText;
 391 }
 392
 393 InputMethodContext TextEditor::GetInputMethodContext()
 394 {
 395   return mInputMethodContext;
 396 }
 397
 398 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 399 {
 400   return mMaxLengthReachedSignal;
 401 }
 402
 403 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 404 {
 405   return mAnchorClickedSignal;
 406 }
 407
 408 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 409 {
 410   return mCursorPositionChangedSignal;
 411 }
 412
 413 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 414 {
 415   return mInputFilteredSignal;
 416 }
 417
 418 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 419 {
 420   return mSelectionChangedSignal;
 421 }
 422
 423 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 424 {
 425   return mSelectionClearedSignal;
 426 }
 427
 428 DevelTextEditor::SelectionStartedSignalType& TextEditor::SelectionStartedSignal()
 429 {
 430   return mSelectionStartedSignal;
 431 }
 432
 433 Text::ControllerPtr TextEditor::GetTextController()
 434 {
 435   return mController;
 436 }
 437
 438 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 439 {
 440   Dali::BaseHandle handle(object);
 441
 442   bool                connected(true);
 443   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 444
 445   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 446   {
 447     editor.TextChangedSignal().Connect(tracker, functor);
 448   }
 449   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 450   {
 451     editor.InputStyleChangedSignal().Connect(tracker, functor);
 452   }
 453   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 454   {
 455     if(editor)
 456     {
 457       Internal::TextEditor& editorImpl(GetImpl(editor));
 458       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 459     }
 460   }
 461   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 462   {
 463     if(editor)
 464     {
 465       Internal::TextEditor& editorImpl(GetImpl(editor));
 466       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 467     }
 468   }
 469   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 470   {
 471     if(editor)
 472     {
 473       Internal::TextEditor& editorImpl(GetImpl(editor));
 474       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 475     }
 476   }
 477   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 478   {
 479     if(editor)
 480     {
 481       Internal::TextEditor& editorImpl(GetImpl(editor));
 482       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 483     }
 484   }
 485   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 486   {
 487     if(editor)
 488     {
 489       Internal::TextEditor& editorImpl(GetImpl(editor));
 490       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 491     }
 492   }
 493   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 494   {
 495     if(editor)
 496     {
 497       Internal::TextEditor& editorImpl(GetImpl(editor));
 498       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 499     }
 500   }
 501   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_STARTED))
 502   {
 503     if(editor)
 504     {
 505       Internal::TextEditor& editorImpl(GetImpl(editor));
 506       editorImpl.SelectionStartedSignal().Connect(tracker, functor);
 507     }
 508   }
 509   else
 510   {
 511     // signalName does not match any signal
 512     connected = false;
 513   }
 514
 515   return connected;
 516 }
 517
 518 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 519 {
 520   return mTextChangedSignal;
 521 }
 522
 523 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 524 {
 525   return mInputStyleChangedSignal;
 526 }
 527
 528 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 529 {
 530   return mScrollStateChangedSignal;
 531 }
 532
 533 void TextEditor::OnAccessibilityStatusChanged()
 534 {
 535   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 536 }
 537
 538 void TextEditor::OnInitialize()
 539 {
 540   Actor self = Self();
 541
 542   mController = Text::Controller::New(this, this, this, this);
 543
 544   mDecorator = Text::Decorator::New(*mController,
 545                                     *mController);
 546
 547   mInputMethodContext = InputMethodContext::New(self);
 548
 549   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 550
 551   // Enables the text input.
 552   mController->EnableTextInput(mDecorator, mInputMethodContext);
 553
 554   // Enables the vertical scrolling after the text input has been enabled.
 555   mController->SetVerticalScrollEnabled(true);
 556
 557   // Disables the horizontal scrolling.
 558   mController->SetHorizontalScrollEnabled(false);
 559
 560   // Sets the maximum number of characters.
 561   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 562
 563   // Enable the smooth handle panning.
 564   mController->SetSmoothHandlePanEnabled(true);
 565
 566   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 567   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 568
 569   // Sets layoutDirection value
 570   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 571   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 572   mController->SetLayoutDirection(layoutDirection);
 573
 574   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 575
 576   // Forward input events to controller
 577   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 578   GetTapGestureDetector().SetMaximumTapsRequired(2);
 579   GetTapGestureDetector().ReceiveAllTapEvents(true);
 580
 581   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 582
 583   // Set BoundingBox to stage size if not already set.
 584   Rect<int> boundingBox;
 585   mDecorator->GetBoundingBox(boundingBox);
 586
 587   if(boundingBox.IsEmpty())
 588   {
 589     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 590     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 591   }
 592
 593   // Whether to flip the selection handles as soon as they cross.
 594   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 595
 596   // Set the default scroll speed.
 597   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 598
 599   // Fill-parent area by default
 600   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 601   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 602   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 603
 604   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 605
 606   // Creates an extra control to be used as stencil buffer.
 607   mStencil = Control::New();
 608   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 609   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 610
 611   // Creates a background visual. Even if the color is transparent it updates the stencil.
 612   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 613                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 614
 615   // Enable the clipping property.
 616   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 617   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 618
 619   self.Add(mStencil);
 620
 621   // Accessibility
 622   self.SetProperty(DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::ENTRY);
 623   self.SetProperty(DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 624
 625   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 626   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 627 }
 628
 629 DevelControl::ControlAccessible* TextEditor::CreateAccessibleObject()
 630 {
 631   return new TextEditorAccessible(Self());
 632 }
 633
 634 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 635 {
 636   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 637
 638   switch(change)
 639   {
 640     case StyleChange::DEFAULT_FONT_CHANGE:
 641     {
 642       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 643       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 644       // Property system did not set the font so should update it.
 645       mController->UpdateAfterFontChange(newFont);
 646       RelayoutRequest();
 647       break;
 648     }
 649
 650     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 651     {
 652       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 653       RelayoutRequest();
 654       break;
 655     }
 656     case StyleChange::THEME_CHANGE:
 657     {
 658       // Nothing to do, let control base class handle this
 659       break;
 660     }
 661   }
 662
 663   // Up call to Control
 664   Control::OnStyleChange(styleManager, change);
 665 }
 666
 667 Vector3 TextEditor::GetNaturalSize()
 668 {
 669   Extents padding;
 670   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 671
 672   Vector3 naturalSize = mController->GetNaturalSize();
 673   naturalSize.width += (padding.start + padding.end);
 674   naturalSize.height += (padding.top + padding.bottom);
 675
 676   return naturalSize;
 677 }
 678
 679 float TextEditor::GetHeightForWidth(float width)
 680 {
 681   Extents padding;
 682   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 683   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 684 }
 685
 686 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 687 {
 688   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 689   {
 690     actor.SetProperty(Actor::Property::SIZE, size);
 691   }
 692 }
 693
 694 void TextEditor::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
 695 {
 696   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnPropertySet index[%d]\n", index);
 697
 698   switch(index)
 699   {
 700     case DevelActor::Property::USER_INTERACTION_ENABLED:
 701     {
 702       const bool enabled = propertyValue.Get<bool>();
 703       mController->SetUserInteractionEnabled(enabled);
 704       if(mStencil)
 705       {
 706         float opacity = enabled ? 1.0f : mController->GetDisabledColorOpacity();
 707         mStencil.SetProperty(Actor::Property::OPACITY, opacity);
 708       }
 709       break;
 710     }
 711     default:
 712     {
 713       Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
 714       break;
 715     }
 716   }
 717 }
 718
 719 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 720 {
 721   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 722
 723   Actor self = Self();
 724
 725   Extents padding;
 726   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 727
 728   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 729
 730   // Support Right-To-Left of padding
 731   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 732
 733   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 734   {
 735     std::swap(padding.start, padding.end);
 736   }
 737
 738   if(mStencil)
 739   {
 740     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 741     ResizeActor(mStencil, contentSize);
 742   }
 743   if(mActiveLayer)
 744   {
 745     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 746     ResizeActor(mActiveLayer, contentSize);
 747   }
 748   if(mCursorLayer)
 749   {
 750     mCursorLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 751     ResizeActor(mCursorLayer, contentSize);
 752   }
 753
 754   // If there is text changed, callback is called.
 755   if(mTextChanged)
 756   {
 757     EmitTextChangedSignal();
 758   }
 759
 760   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 761
 762   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 763      !mRenderer)
 764   {
 765     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 766
 767     if(mDecorator &&
 768        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 769     {
 770       mDecorator->Relayout(contentSize);
 771     }
 772
 773     if(!mRenderer)
 774     {
 775       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 776     }
 777
 778     RenderText(updateTextType);
 779   }
 780
 781   if(mCursorPositionChanged)
 782   {
 783     EmitCursorPositionChangedSignal();
 784   }
 785
 786   if(mSelectionStarted)
 787   {
 788     EmitSelectionStartedSignal();
 789   }
 790
 791   if(mSelectionChanged)
 792   {
 793     EmitSelectionChangedSignal();
 794   }
 795
 796   if(mSelectionCleared)
 797   {
 798     EmitSelectionClearedSignal();
 799   }
 800
 801   // The text-editor emits signals when the input style changes. These changes of style are
 802   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 803   // can't be emitted during the size negotiation as the callbacks may update the UI.
 804   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 805   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 806   {
 807     if(Adaptor::IsAvailable())
 808     {
 809       Adaptor& adaptor = Adaptor::Get();
 810
 811       if(NULL == mIdleCallback)
 812       {
 813         // @note: The callback manager takes the ownership of the callback object.
 814         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 815         adaptor.AddIdle(mIdleCallback, false);
 816       }
 817     }
 818   }
 819 }
 820
 821 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 822 {
 823   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mCursorLayer, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 824   if(mRenderableActor)
 825   {
 826     ApplyScrollPosition();
 827   }
 828   UpdateScrollBar();
 829 }
 830
 831 void TextEditor::OnKeyInputFocusGained()
 832 {
 833   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 834   if(mInputMethodContext && IsEditable())
 835   {
 836     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 837     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 838     mInputMethodContext.NotifyTextInputMultiLine(true);
 839
 840     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 841
 842     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 843
 844     // Notify that the text editing start.
 845     mInputMethodContext.Activate();
 846
 847     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 848     mInputMethodContext.SetRestoreAfterFocusLost(true);
 849   }
 850   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 851
 852   if(notifier)
 853   {
 854     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 855   }
 856
 857   if(IsEditable() && mController->IsUserInteractionEnabled())
 858   {
 859     mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 860   }
 861
 862   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 863 }
 864
 865 void TextEditor::OnKeyInputFocusLost()
 866 {
 867   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 868   if(mInputMethodContext)
 869   {
 870     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 871
 872     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 873     mInputMethodContext.SetRestoreAfterFocusLost(false);
 874
 875     // Notify that the text editing finish.
 876     mInputMethodContext.Deactivate();
 877
 878     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 879   }
 880   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 881
 882   if(notifier)
 883   {
 884     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 885   }
 886
 887   mController->KeyboardFocusLostEvent();
 888
 889   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 890 }
 891
 892 bool TextEditor::OnAccessibilityActivated()
 893 {
 894   SetKeyInputFocus();
 895   return true;
 896 }
 897
 898 void TextEditor::OnTap(const TapGesture& gesture)
 899 {
 900   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 901   if(mInputMethodContext && IsEditable())
 902   {
 903     mInputMethodContext.Activate();
 904   }
 905   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 906   Extents padding;
 907   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 908   const Vector2& localPoint = gesture.GetLocalPoint();
 909   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 910   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 911
 912   Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 913   if(keyboardFocusManager)
 914   {
 915     keyboardFocusManager.SetCurrentFocusActor(Self());
 916   }
 917   SetKeyInputFocus();
 918 }
 919
 920 void TextEditor::OnPan(const PanGesture& gesture)
 921 {
 922   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 923   if(gesture.GetState() == GestureState::STARTED && !mController->IsScrollable(gesture.GetDisplacement()))
 924   {
 925     Dali::DevelActor::SetNeedGesturePropagation(Self(), true);
 926   }
 927 }
 928
 929 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 930 {
 931   if(mInputMethodContext && IsEditable())
 932   {
 933     mInputMethodContext.Activate();
 934   }
 935   Extents padding;
 936   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 937   const Vector2& localPoint = gesture.GetLocalPoint();
 938   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 939
 940   SetKeyInputFocus();
 941 }
 942
 943 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 944 {
 945   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 946
 947   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 948   {
 949     // Make sure ClearKeyInputFocus when only key is up
 950     if(event.GetState() == KeyEvent::UP)
 951     {
 952       Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 953       if(keyboardFocusManager)
 954       {
 955         keyboardFocusManager.ClearFocus();
 956       }
 957       ClearKeyInputFocus();
 958     }
 959
 960     return true;
 961   }
 962
 963   return mController->KeyEvent(event);
 964 }
 965
 966 void TextEditor::RequestTextRelayout()
 967 {
 968   RelayoutRequest();
 969 }
 970
 971 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 972 {
 973   GetAccessibleObject()->EmitTextInserted(position, length, content);
 974 }
 975
 976 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 977 {
 978   GetAccessibleObject()->EmitTextDeleted(position, length, content);
 979 }
 980
 981 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 982 {
 983   GetAccessibleObject()->EmitTextCursorMoved(newPosition);
 984
 985   if((oldPosition != newPosition) && !mCursorPositionChanged)
 986   {
 987     mCursorPositionChanged = true;
 988     mOldPosition           = oldPosition;
 989   }
 990 }
 991
 992 void TextEditor::TextChanged(bool immediate)
 993 {
 994   if(immediate) // Emits TextChangedSignal immediately
 995   {
 996     EmitTextChangedSignal();
 997   }
 998   else
 999   {
1000     mTextChanged = true;
1001   }
1002 }
1003
1004 void TextEditor::EmitTextChangedSignal()
1005 {
1006   Dali::Toolkit::TextEditor handle(GetOwner());
1007   mTextChangedSignal.Emit(handle);
1008   mTextChanged = false;
1009 }
1010
1011 void TextEditor::MaxLengthReached()
1012 {
1013   Dali::Toolkit::TextEditor handle(GetOwner());
1014   mMaxLengthReachedSignal.Emit(handle);
1015 }
1016
1017 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
1018 {
1019   Dali::Toolkit::TextEditor handle(GetOwner());
1020   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
1021 }
1022
1023 void TextEditor::AnchorClicked(const std::string& href)
1024 {
1025   Dali::Toolkit::TextEditor handle(GetOwner());
1026   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
1027 }
1028
1029 void TextEditor::EmitCursorPositionChangedSignal()
1030 {
1031   Dali::Toolkit::TextEditor handle(GetOwner());
1032   mCursorPositionChanged = false;
1033   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
1034 }
1035
1036 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
1037 {
1038   Dali::Toolkit::TextEditor handle(GetOwner());
1039   mInputFilteredSignal.Emit(handle, type);
1040 }
1041
1042 void TextEditor::EmitSelectionChangedSignal()
1043 {
1044   Dali::Toolkit::TextEditor handle(GetOwner());
1045   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
1046   mSelectionChanged = false;
1047 }
1048
1049 void TextEditor::EmitSelectionClearedSignal()
1050 {
1051   Dali::Toolkit::TextEditor handle(GetOwner());
1052   mSelectionClearedSignal.Emit(handle);
1053   mSelectionCleared = false;
1054 }
1055
1056 void TextEditor::EmitSelectionStartedSignal()
1057 {
1058   Dali::Toolkit::TextEditor handle(GetOwner());
1059   mSelectionStartedSignal.Emit(handle);
1060   mSelectionStarted = false;
1061 }
1062
1063 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
1064 {
1065   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
1066   {
1067     if(newStart == newEnd)
1068     {
1069       mSelectionCleared = true;
1070     }
1071     else
1072     {
1073       if(oldStart == oldEnd)
1074       {
1075         mSelectionStarted = true;
1076       }
1077     }
1078
1079     mSelectionChanged  = true;
1080     mOldSelectionStart = oldStart;
1081     mOldSelectionEnd   = oldEnd;
1082
1083     if(mOldSelectionStart > mOldSelectionEnd)
1084     {
1085       //swap
1086       uint32_t temp      = mOldSelectionStart;
1087       mOldSelectionStart = mOldSelectionEnd;
1088       mOldSelectionEnd   = temp;
1089     }
1090   }
1091 }
1092
1093 void TextEditor::AddDecoration(Actor& actor, DecorationType type, bool needsClipping)
1094 {
1095   if(actor)
1096   {
1097     if(needsClipping)
1098     {
1099       mClippingDecorationActors.push_back(actor);
1100     }
1101
1102     // If the actor is a layer type, add it.
1103     if(type == DecorationType::ACTIVE_LAYER)
1104     {
1105       AddLayer(mActiveLayer, actor);
1106     }
1107     else if(type == DecorationType::CURSOR_LAYER)
1108     {
1109       AddLayer(mCursorLayer, actor);
1110     }
1111   }
1112 }
1113
1114 void TextEditor::AddLayer(Actor& layer, Actor& actor)
1115 {
1116   actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1117   actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1118   Self().Add(actor);
1119   layer = actor;
1120 }
1121
1122 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1123 {
1124   if(mController && mController->IsShowingRealText())
1125   {
1126     mController->SetTextSelectionRange(start, end);
1127     SetKeyInputFocus();
1128   }
1129 }
1130
1131 Uint32Pair TextEditor::GetTextSelectionRange() const
1132 {
1133   Uint32Pair range(0, 0);
1134   if(mController && mController->IsShowingRealText())
1135   {
1136     range = mController->GetTextSelectionRange();
1137   }
1138   return range;
1139 }
1140
1141 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1142 {
1143   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1144   Property::Map*  resultMap = propValue.GetMap();
1145
1146   Property::Value* colorValue = nullptr;
1147   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1148   {
1149     colorValue->Get(color);
1150   }
1151 }
1152
1153 void TextEditor::UpdateScrollBar()
1154 {
1155   using namespace Dali;
1156
1157   float scrollPosition;
1158   float controlSize;
1159   float layoutSize;
1160   bool  latestScrolled;
1161
1162   if(!mScrollBarEnabled)
1163   {
1164     return;
1165   }
1166   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1167   if(!latestScrolled || controlSize > layoutSize)
1168   {
1169     return;
1170   }
1171
1172   CustomActor self = Self();
1173   if(!mScrollBar)
1174   {
1175     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1176     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1177     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1178     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1179     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1180     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1181
1182     // Register the scroll position property
1183     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1184     // Register the minimum scroll position property
1185     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1186     // Register the maximum scroll position property
1187     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1188     // Register the scroll content size property
1189     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1190
1191     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1192
1193     // Set style name of ScrollBar for styling
1194     mScrollBar.SetStyleName("TextEditorScrollBar");
1195     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1196     if(scrollIndicator)
1197     {
1198       // Set style name of ScrollBarIndicator for styling
1199       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1200     }
1201
1202     self.Add(mScrollBar);
1203   }
1204   else
1205   {
1206     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1207     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1208     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1209
1210     self.SetProperty(propertyScrollPosition, scrollPosition);
1211     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1212     self.SetProperty(propertyScrollContentSize, layoutSize);
1213   }
1214
1215   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1216   if(!mScrollStarted)
1217   {
1218     mScrollStarted = true;
1219     Dali::Toolkit::TextEditor handle(GetOwner());
1220     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1221   }
1222
1223   Actor indicator = mScrollBar.GetScrollIndicator();
1224   if(mAnimation)
1225   {
1226     mAnimation.Stop(); // Cancel any animation
1227   }
1228   else
1229   {
1230     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1231   }
1232   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1233   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1234   mAnimation.Play();
1235   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1236 }
1237
1238 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1239 {
1240   // If animation is successfully ended, then emit ScrollStateChangedSignal
1241   if(Dali::EqualsZero(animation.GetCurrentProgress()))
1242   {
1243     mScrollStarted = false;
1244     Dali::Toolkit::TextEditor handle(GetOwner());
1245     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1246   }
1247 }
1248
1249 void TextEditor::OnSceneConnect(Dali::Actor actor)
1250 {
1251   if(mHasBeenStaged)
1252   {
1253     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1254   }
1255   else
1256   {
1257     mHasBeenStaged = true;
1258   }
1259 }
1260
1261 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1262 {
1263   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1264   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1265 }
1266
1267 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1268 {
1269   if(mDecorator)
1270   {
1271     Property::Map map;
1272     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1273
1274     value = map;
1275   }
1276 }
1277
1278 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1279 {
1280   mController->PasteClipboardItemEvent();
1281 }
1282
1283 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1284 {
1285   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1286
1287   // Just hide the grab handle when keyboard is hidden.
1288   if(!keyboardShown)
1289   {
1290     mController->KeyboardFocusLostEvent();
1291   }
1292   else
1293   {
1294     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1295   }
1296 }
1297
1298 void TextEditor::OnSceneConnection(int depth)
1299 {
1300   // Sets the depth to the visuals inside the text's decorator.
1301   mDecorator->SetTextDepth(depth);
1302
1303   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1304
1305   // Call the Control::OnSceneConnection() to set the depth of the background.
1306   Control::OnSceneConnection(depth);
1307 }
1308
1309 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1310 {
1311   return false;
1312 }
1313
1314 void TextEditor::OnIdleSignal()
1315 {
1316   // Emits the change of input style signals.
1317   mController->ProcessInputStyleChangedSignals();
1318
1319   // Set the pointer to null as the callback manager deletes the callback after execute it.
1320   mIdleCallback = NULL;
1321 }
1322
1323 void TextEditor::ApplyScrollPosition()
1324 {
1325   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1326   float          scrollAmount = 0.0f;
1327
1328   if(mScrollAnimationEnabled)
1329   {
1330     scrollAmount = mController->GetScrollAmountByUserInput();
1331   }
1332   if(mTextVerticalScroller)
1333   {
1334     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1335   }
1336   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1337   {
1338     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1339   }
1340   else
1341   {
1342     mTextVerticalScroller = Text::TextVerticalScroller::New();
1343     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1344     {
1345       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1346     }
1347     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1348   }
1349 }
1350
1351 bool TextEditor::IsEditable() const
1352 {
1353   return mController->IsEditable();
1354 }
1355
1356 void TextEditor::SetEditable(bool editable)
1357 {
1358   mController->SetEditable(editable);
1359   if(mInputMethodContext && !editable)
1360   {
1361     mInputMethodContext.Deactivate();
1362   }
1363 }
1364
1365 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1366 {
1367   mController->ChangedLayoutDirection();
1368 }
1369
1370 TextEditor::TextEditor(ControlBehaviour additionalBehaviour)
1371 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT | additionalBehaviour)),
1372   mAnimationPeriod(0.0f, 0.0f),
1373   mIdleCallback(NULL),
1374   mAlignmentOffset(0.f),
1375   mScrollAnimationDuration(0.f),
1376   mLineSpacing(0.f),
1377   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1378   mHasBeenStaged(false),
1379   mScrollAnimationEnabled(false),
1380   mScrollBarEnabled(false),
1381   mScrollStarted(false),
1382   mTextChanged(false),
1383   mCursorPositionChanged(false),
1384   mSelectionChanged(false),
1385   mSelectionCleared(false),
1386   mOldPosition(0u),
1387   mOldSelectionStart(0u),
1388   mOldSelectionEnd(0u),
1389   mSelectionStarted(false)
1390 {
1391 }
1392
1393 TextEditor::~TextEditor()
1394 {
1395   UnparentAndReset(mStencil);
1396
1397   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1398   {
1399     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1400     Adaptor::Get().RemoveIdle(mIdleCallback);
1401   }
1402 }
1403
1404 std::string TextEditor::TextEditorAccessible::GetName() const
1405 {
1406   return GetWholeText();
1407 }
1408
1409 const std::vector<Toolkit::TextAnchor>& TextEditor::TextEditorAccessible::GetTextAnchors() const
1410 {
1411   auto self = Toolkit::TextEditor::DownCast(Self());
1412
1413   return Toolkit::GetImpl(self).mAnchorActors;
1414 }
1415
1416 Toolkit::Text::ControllerPtr TextEditor::TextEditorAccessible::GetTextController() const
1417 {
1418   auto self = Toolkit::TextEditor::DownCast(Self());
1419
1420   return Toolkit::GetImpl(self).GetTextController();
1421 }
1422
1423 void TextEditor::TextEditorAccessible::RequestTextRelayout()
1424 {
1425   auto  self     = Toolkit::TextEditor::DownCast(Self());
1426   auto& selfImpl = Toolkit::GetImpl(self);
1427
1428   selfImpl.RequestTextRelayout();
1429 }
1430
1431 } // namespace Internal
1432
1433 } // namespace Toolkit
1434
1435 } // namespace Dali