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

   1 /*
   2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali-toolkit/internal/controls/text-controls/text-editor-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/devel-api/actors/actor-devel.h>
  23 #include <dali/devel-api/common/stage.h>
  24 #include <dali/devel-api/object/property-helper-devel.h>
  25 #include <dali/integration-api/adaptor-framework/adaptor.h>
  26 #include <dali/integration-api/debug.h>
  27 #include <dali/public-api/actors/layer.h>
  28 #include <dali/public-api/adaptor-framework/key.h>
  29 #include <dali/public-api/common/dali-common.h>
  30 #include <dali/public-api/object/type-registry-helper.h>
  31 #include <cstring>
  32 #include <limits>
  33
  34 // INTERNAL INCLUDES
  35 #include <dali-toolkit/devel-api/controls/control-devel.h>
  36 #include <dali-toolkit/devel-api/text/rendering-backend.h>
  37 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
  38 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  39 #include <dali-toolkit/internal/controls/text-controls/text-editor-property-handler.h>
  40 #include <dali-toolkit/internal/focus-manager/keyboard-focus-manager-impl.h>
  41 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  42 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  43 #include <dali-toolkit/internal/text/text-effects-style.h>
  44 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  45 #include <dali-toolkit/internal/text/text-font-style.h>
  46 #include <dali-toolkit/internal/text/text-view.h>
  47 #include <dali-toolkit/public-api/text/text-enumerations.h>
  48 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  49 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  50
  51 using namespace Dali::Toolkit::Text;
  52
  53 #if defined(DEBUG_ENABLED)
  54 Debug::Filter* gTextEditorLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  55 #endif
  56
  57 namespace Dali
  58 {
  59 namespace Toolkit
  60 {
  61 namespace Internal
  62 {
  63 namespace // unnamed namespace
  64 {
  65 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  66 const float        DEFAULT_SCROLL_SPEED      = 1200.f; ///< The default scroll speed for the text editor in pixels/second.
  67 } // unnamed namespace
  68
  69 namespace
  70 {
  71 const char* const SCROLL_BAR_POSITION("sourcePosition");
  72 const char* const SCROLL_BAR_POSITION_MIN("sourcePositionMin");
  73 const char* const SCROLL_BAR_POSITION_MAX("sourcePositionMax");
  74 const char* const SCROLL_BAR_CONTENT_SIZE("sourceContentSize");
  75
  76 // Type registration
  77 BaseHandle Create()
  78 {
  79   return Toolkit::TextEditor::New();
  80 }
  81
  82 // clang-format off
  83 // Setup properties, signals and actions using the type-registry.
  84 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::TextEditor, Toolkit::Control, Create);
  85
  86 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "text",                                 STRING,    TEXT                                )
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "textColor",                            VECTOR4,   TEXT_COLOR                          )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontFamily",                           STRING,    FONT_FAMILY                         )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontStyle",                            MAP,       FONT_STYLE                          )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pointSize",                            FLOAT,     POINT_SIZE                          )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "horizontalAlignment",                  STRING,    HORIZONTAL_ALIGNMENT                )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollThreshold",                      FLOAT,     SCROLL_THRESHOLD                    )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollSpeed",                          FLOAT,     SCROLL_SPEED                        )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "primaryCursorColor",                   VECTOR4,   PRIMARY_CURSOR_COLOR                )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "secondaryCursorColor",                 VECTOR4,   SECONDARY_CURSOR_COLOR              )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableCursorBlink",                    BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkInterval",                  FLOAT,     CURSOR_BLINK_INTERVAL               )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkDuration",                  FLOAT,     CURSOR_BLINK_DURATION               )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorWidth",                          INTEGER,   CURSOR_WIDTH                        )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandleImage",                      STRING,    GRAB_HANDLE_IMAGE                   )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandlePressedImage",               STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageLeft",             MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageRight",            MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageLeft",      MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageRight",     MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageLeft",       MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageRight",      MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHighlightColor",              VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "decorationBoundingBox",                RECTANGLE, DECORATION_BOUNDING_BOX             )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableMarkup",                         BOOLEAN,   ENABLE_MARKUP                       )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputColor",                           VECTOR4,   INPUT_COLOR                         )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontFamily",                      STRING,    INPUT_FONT_FAMILY                   )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontStyle",                       MAP,       INPUT_FONT_STYLE                    )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputPointSize",                       FLOAT,     INPUT_POINT_SIZE                    )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineSpacing",                          FLOAT,     LINE_SPACING                        )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputLineSpacing",                     FLOAT,     INPUT_LINE_SPACING                  )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "underline",                            MAP,       UNDERLINE                           )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputUnderline",                       MAP,       INPUT_UNDERLINE                     )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "shadow",                               MAP,       SHADOW                              )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputShadow",                          MAP,       INPUT_SHADOW                        )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "emboss",                               MAP,       EMBOSS                              )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputEmboss",                          MAP,       INPUT_EMBOSS                        )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "outline",                              MAP,       OUTLINE                             )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputOutline",                         MAP,       INPUT_OUTLINE                       )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScroll",                         BOOLEAN,   SMOOTH_SCROLL                       )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScrollDuration",                 FLOAT,     SMOOTH_SCROLL_DURATION              )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableScrollBar",                      BOOLEAN,   ENABLE_SCROLL_BAR                   )
 128 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarShowDuration",                FLOAT,     SCROLL_BAR_SHOW_DURATION            )
 129 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarFadeDuration",                FLOAT,     SCROLL_BAR_FADE_DURATION            )
 130 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pixelSize",                            FLOAT,     PIXEL_SIZE                          )
 131 DALI_PROPERTY_REGISTRATION_READ_ONLY(Toolkit,       TextEditor, "lineCount",                            INTEGER,   LINE_COUNT                          )
 132 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableSelection",                      BOOLEAN,   ENABLE_SELECTION                    )
 133 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "placeholder",                          MAP,       PLACEHOLDER                         )
 134 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineWrapMode",                         INTEGER,   LINE_WRAP_MODE                      )
 135 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderText",                      STRING,    PLACEHOLDER_TEXT                    )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderTextColor",                 VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableShiftSelection",                 BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandle",                     BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "matchSystemLanguageDirection",         BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "renderingBackend",                     INTEGER,   RENDERING_BACKEND                   )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "maxLength",                            INTEGER,   MAX_LENGTH                          )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextStart",                    INTEGER,   SELECTED_TEXT_START                 )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextEnd",                      INTEGER,   SELECTED_TEXT_END                   )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "horizontalScrollPosition",             FLOAT,     HORIZONTAL_SCROLL_POSITION          )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalScrollPosition",               INTEGER,   VERTICAL_SCROLL_POSITION            )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableEditing",                        BOOLEAN,   ENABLE_EDITING                      )
 147 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextEditor, "selectedText",                         STRING,    SELECTED_TEXT                       )
 148 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "fontSizeScale",                        FLOAT,     FONT_SIZE_SCALE                     )
 149 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableFontSizeScale",                  BOOLEAN,   ENABLE_FONT_SIZE_SCALE              )
 150 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "primaryCursorPosition",                INTEGER,   PRIMARY_CURSOR_POSITION             )
 151 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "grabHandleColor",                      VECTOR4,   GRAB_HANDLE_COLOR                   )
 152 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandlePopup",                BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 153 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputMethodSettings",                  MAP,       INPUT_METHOD_SETTINGS               )
 154 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputFilter",                          MAP,       INPUT_FILTER                        )
 155 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsis",                             BOOLEAN,   ELLIPSIS                            )
 156 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsisPosition",                     INTEGER,   ELLIPSIS_POSITION                   )
 157 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "minLineSize",                          FLOAT,     MIN_LINE_SIZE                       )
 158 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "strikethrough",                        MAP,       STRIKETHROUGH                       )
 159 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputStrikethrough",                   MAP,       INPUT_STRIKETHROUGH                 )
 160 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "characterSpacing",                     FLOAT,     CHARACTER_SPACING                   )
 161 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "relativeLineSize",                     FLOAT,     RELATIVE_LINE_SIZE                  )
 162 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalAlignment",                    STRING,    VERTICAL_ALIGNMENT                  )
 163 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectionPopupStyle",                  MAP,       SELECTION_POPUP_STYLE               )
 164
 165 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "textChanged",           SIGNAL_TEXT_CHANGED           )
 166 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 167 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 168 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 169 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 170 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 171 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 172 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 173 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionStarted",      SIGNAL_SELECTION_STARTED      )
 174
 175 DALI_TYPE_REGISTRATION_END()
 176 // clang-format on
 177
 178 Toolkit::TextEditor::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 179 {
 180   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 181
 182   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 183   {
 184     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 185   }
 186   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 187   {
 188     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 189   }
 190   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 191   {
 192     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 193   }
 194   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 195   {
 196     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 197   }
 198   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 199   {
 200     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 201   }
 202   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 203   {
 204     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 205   }
 206   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 207   {
 208     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 209   }
 210   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 211   {
 212     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 213   }
 214   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 215   {
 216     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 217   }
 218   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 219   {
 220     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 221   }
 222   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 223   {
 224     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
 225   }
 226   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_STRIKETHROUGH))
 227   {
 228     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::STRIKETHROUGH);
 229   }
 230
 231   return editorInputStyleMask;
 232 }
 233
 234 } // namespace
 235
 236 Toolkit::TextEditor TextEditor::New()
 237 {
 238   // Create the implementation, temporarily owned by this handle on stack
 239   IntrusivePtr<TextEditor> impl = new TextEditor();
 240
 241   // Pass ownership to CustomActor handle
 242   Toolkit::TextEditor handle(*impl);
 243
 244   // Second-phase init of the implementation
 245   // This can only be done after the CustomActor connection has been made...
 246   impl->Initialize();
 247
 248   return handle;
 249 }
 250
 251 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 252 {
 253   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 254
 255   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 256
 257   if(textEditor)
 258   {
 259     PropertyHandler::SetProperty(textEditor, index, value);
 260   }
 261 }
 262
 263 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 264 {
 265   Property::Value value;
 266
 267   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 268
 269   if(textEditor)
 270   {
 271     value = PropertyHandler::GetProperty(textEditor, index);
 272   }
 273   return value;
 274 }
 275
 276 void TextEditor::SelectWholeText()
 277 {
 278   if(mController && mController->IsShowingRealText())
 279   {
 280     mController->SelectWholeText();
 281     SetKeyInputFocus();
 282   }
 283 }
 284
 285 void TextEditor::SelectNone()
 286 {
 287   if(mController && mController->IsShowingRealText())
 288   {
 289     mController->SelectNone();
 290   }
 291 }
 292
 293 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 294 {
 295   if(mController && mController->IsShowingRealText())
 296   {
 297     mController->SelectText(start, end);
 298     SetKeyInputFocus();
 299   }
 300 }
 301
 302 string TextEditor::CopyText()
 303 {
 304   string copiedText = "";
 305   if(mController && mController->IsShowingRealText())
 306   {
 307     copiedText = mController->CopyText();
 308   }
 309   return copiedText;
 310 }
 311
 312 string TextEditor::CutText()
 313 {
 314   string cutText = "";
 315   if(mController && mController->IsShowingRealText())
 316   {
 317     cutText = mController->CutText();
 318   }
 319   return cutText;
 320 }
 321
 322 void TextEditor::PasteText()
 323 {
 324   if(mController)
 325   {
 326     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 327     mController->PasteText();
 328   }
 329 }
 330
 331 void TextEditor::ScrollBy(Vector2 scroll)
 332 {
 333   if(mController && mController->IsShowingRealText())
 334   {
 335     mController->ScrollBy(scroll);
 336   }
 337 }
 338
 339 float TextEditor::GetHorizontalScrollPosition()
 340 {
 341   if(mController && mController->IsShowingRealText())
 342   {
 343     return mController->GetHorizontalScrollPosition();
 344   }
 345   return 0;
 346 }
 347
 348 float TextEditor::GetVerticalScrollPosition()
 349 {
 350   if(mController && mController->IsShowingRealText())
 351   {
 352     return mController->GetVerticalScrollPosition();
 353   }
 354   return 0;
 355 }
 356
 357 Vector<Vector2> TextEditor::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
 358 {
 359   return mController->GetTextSize(startIndex, endIndex);
 360 }
 361
 362 Vector<Vector2> TextEditor::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
 363 {
 364   return mController->GetTextPosition(startIndex, endIndex);
 365 }
 366
 367 Rect<float> TextEditor::GetLineBoundingRectangle(const uint32_t lineIndex) const
 368 {
 369   return mController->GetLineBoundingRectangle(lineIndex);
 370 }
 371
 372 Rect<float> TextEditor::GetCharacterBoundingRectangle(const uint32_t charIndex) const
 373 {
 374   return mController->GetCharacterBoundingRectangle(charIndex);
 375 }
 376
 377 string TextEditor::GetSelectedText() const
 378 {
 379   string selectedText = "";
 380   if(mController && mController->IsShowingRealText())
 381   {
 382     selectedText = mController->GetSelectedText();
 383   }
 384   return selectedText;
 385 }
 386
 387 InputMethodContext TextEditor::GetInputMethodContext()
 388 {
 389   return mInputMethodContext;
 390 }
 391
 392 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 393 {
 394   return mMaxLengthReachedSignal;
 395 }
 396
 397 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 398 {
 399   return mAnchorClickedSignal;
 400 }
 401
 402 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 403 {
 404   return mCursorPositionChangedSignal;
 405 }
 406
 407 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 408 {
 409   return mInputFilteredSignal;
 410 }
 411
 412 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 413 {
 414   return mSelectionChangedSignal;
 415 }
 416
 417 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 418 {
 419   return mSelectionClearedSignal;
 420 }
 421
 422 DevelTextEditor::SelectionStartedSignalType& TextEditor::SelectionStartedSignal()
 423 {
 424   return mSelectionStartedSignal;
 425 }
 426
 427 Text::ControllerPtr TextEditor::GetTextController()
 428 {
 429   return mController;
 430 }
 431
 432 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 433 {
 434   Dali::BaseHandle handle(object);
 435
 436   bool                connected(true);
 437   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 438
 439   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 440   {
 441     editor.TextChangedSignal().Connect(tracker, functor);
 442   }
 443   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 444   {
 445     editor.InputStyleChangedSignal().Connect(tracker, functor);
 446   }
 447   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 448   {
 449     if(editor)
 450     {
 451       Internal::TextEditor& editorImpl(GetImpl(editor));
 452       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 453     }
 454   }
 455   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 456   {
 457     if(editor)
 458     {
 459       Internal::TextEditor& editorImpl(GetImpl(editor));
 460       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 461     }
 462   }
 463   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 464   {
 465     if(editor)
 466     {
 467       Internal::TextEditor& editorImpl(GetImpl(editor));
 468       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 469     }
 470   }
 471   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 472   {
 473     if(editor)
 474     {
 475       Internal::TextEditor& editorImpl(GetImpl(editor));
 476       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 477     }
 478   }
 479   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 480   {
 481     if(editor)
 482     {
 483       Internal::TextEditor& editorImpl(GetImpl(editor));
 484       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 485     }
 486   }
 487   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 488   {
 489     if(editor)
 490     {
 491       Internal::TextEditor& editorImpl(GetImpl(editor));
 492       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 493     }
 494   }
 495   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_STARTED))
 496   {
 497     if(editor)
 498     {
 499       Internal::TextEditor& editorImpl(GetImpl(editor));
 500       editorImpl.SelectionStartedSignal().Connect(tracker, functor);
 501     }
 502   }
 503   else
 504   {
 505     // signalName does not match any signal
 506     connected = false;
 507   }
 508
 509   return connected;
 510 }
 511
 512 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 513 {
 514   return mTextChangedSignal;
 515 }
 516
 517 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 518 {
 519   return mInputStyleChangedSignal;
 520 }
 521
 522 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 523 {
 524   return mScrollStateChangedSignal;
 525 }
 526
 527 void TextEditor::OnAccessibilityStatusChanged()
 528 {
 529   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 530 }
 531
 532 void TextEditor::OnInitialize()
 533 {
 534   Actor self = Self();
 535
 536   mController = Text::Controller::New(this, this, this, this);
 537
 538   mDecorator = Text::Decorator::New(*mController,
 539                                     *mController);
 540
 541   mInputMethodContext = InputMethodContext::New(self);
 542
 543   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 544
 545   // Enables the text input.
 546   mController->EnableTextInput(mDecorator, mInputMethodContext);
 547
 548   // Enables the vertical scrolling after the text input has been enabled.
 549   mController->SetVerticalScrollEnabled(true);
 550
 551   // Disables the horizontal scrolling.
 552   mController->SetHorizontalScrollEnabled(false);
 553
 554   // Sets the maximum number of characters.
 555   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 556
 557   // Enable the smooth handle panning.
 558   mController->SetSmoothHandlePanEnabled(true);
 559
 560   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 561   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 562
 563   // Sets layoutDirection value
 564   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 565   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 566   mController->SetLayoutDirection(layoutDirection);
 567
 568   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 569
 570   // Forward input events to controller
 571   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 572   GetTapGestureDetector().SetMaximumTapsRequired(2);
 573   GetTapGestureDetector().ReceiveAllTapEvents(true);
 574
 575   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 576
 577   // Set BoundingBox to stage size if not already set.
 578   Rect<int> boundingBox;
 579   mDecorator->GetBoundingBox(boundingBox);
 580
 581   if(boundingBox.IsEmpty())
 582   {
 583     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 584     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 585   }
 586
 587   // Whether to flip the selection handles as soon as they cross.
 588   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 589
 590   // Set the default scroll speed.
 591   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 592
 593   // Fill-parent area by default
 594   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 595   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 596   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 597
 598   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 599
 600   // Creates an extra control to be used as stencil buffer.
 601   mStencil = Control::New();
 602   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 603   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 604
 605   // Creates a background visual. Even if the color is transparent it updates the stencil.
 606   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 607                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 608
 609   // Enable the clipping property.
 610   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 611   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 612
 613   self.Add(mStencil);
 614
 615   // Accessibility
 616   self.SetProperty(DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::ENTRY);
 617   self.SetProperty(DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 618
 619   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 620   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 621 }
 622
 623 DevelControl::ControlAccessible* TextEditor::CreateAccessibleObject()
 624 {
 625   return new TextEditorAccessible(Self());
 626 }
 627
 628 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 629 {
 630   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 631
 632   switch(change)
 633   {
 634     case StyleChange::DEFAULT_FONT_CHANGE:
 635     {
 636       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 637       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 638       // Property system did not set the font so should update it.
 639       mController->UpdateAfterFontChange(newFont);
 640       RelayoutRequest();
 641       break;
 642     }
 643
 644     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 645     {
 646       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 647       RelayoutRequest();
 648       break;
 649     }
 650     case StyleChange::THEME_CHANGE:
 651     {
 652       // Nothing to do, let control base class handle this
 653       break;
 654     }
 655   }
 656
 657   // Up call to Control
 658   Control::OnStyleChange(styleManager, change);
 659 }
 660
 661 Vector3 TextEditor::GetNaturalSize()
 662 {
 663   Extents padding;
 664   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 665
 666   Vector3 naturalSize = mController->GetNaturalSize();
 667   naturalSize.width += (padding.start + padding.end);
 668   naturalSize.height += (padding.top + padding.bottom);
 669
 670   return naturalSize;
 671 }
 672
 673 float TextEditor::GetHeightForWidth(float width)
 674 {
 675   Extents padding;
 676   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 677   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 678 }
 679
 680 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 681 {
 682   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 683   {
 684     actor.SetProperty(Actor::Property::SIZE, size);
 685   }
 686 }
 687
 688 void TextEditor::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
 689 {
 690   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnPropertySet index[%d]\n", index);
 691
 692   switch(index)
 693   {
 694     case DevelActor::Property::USER_INTERACTION_ENABLED:
 695     {
 696       const bool enabled = propertyValue.Get<bool>();
 697       mController->SetUserInteractionEnabled(enabled);
 698       if(mStencil)
 699       {
 700         float opacity = enabled ? 1.0f : mController->GetDisabledColorOpacity();
 701         mStencil.SetProperty(Actor::Property::OPACITY, opacity);
 702       }
 703       break;
 704     }
 705     default:
 706     {
 707       Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
 708       break;
 709     }
 710   }
 711 }
 712
 713 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 714 {
 715   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 716
 717   Actor self = Self();
 718
 719   Extents padding;
 720   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 721
 722   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 723
 724   // Support Right-To-Left of padding
 725   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 726
 727   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 728   {
 729     std::swap(padding.start, padding.end);
 730   }
 731
 732   if(mStencil)
 733   {
 734     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 735     ResizeActor(mStencil, contentSize);
 736   }
 737   if(mActiveLayer)
 738   {
 739     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 740     ResizeActor(mActiveLayer, contentSize);
 741   }
 742   if(mCursorLayer)
 743   {
 744     mCursorLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 745     ResizeActor(mCursorLayer, contentSize);
 746   }
 747
 748   // If there is text changed, callback is called.
 749   if(mTextChanged)
 750   {
 751     EmitTextChangedSignal();
 752   }
 753
 754   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 755
 756   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 757      !mRenderer)
 758   {
 759     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 760
 761     if(mDecorator &&
 762        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 763     {
 764       mDecorator->Relayout(contentSize);
 765     }
 766
 767     if(!mRenderer)
 768     {
 769       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 770     }
 771
 772     RenderText(updateTextType);
 773   }
 774
 775   if(mCursorPositionChanged)
 776   {
 777     EmitCursorPositionChangedSignal();
 778   }
 779
 780   if(mSelectionStarted)
 781   {
 782     EmitSelectionStartedSignal();
 783   }
 784
 785   if(mSelectionChanged)
 786   {
 787     EmitSelectionChangedSignal();
 788   }
 789
 790   if(mSelectionCleared)
 791   {
 792     EmitSelectionClearedSignal();
 793   }
 794
 795   // The text-editor emits signals when the input style changes. These changes of style are
 796   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 797   // can't be emitted during the size negotiation as the callbacks may update the UI.
 798   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 799   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 800   {
 801     if(Adaptor::IsAvailable())
 802     {
 803       Adaptor& adaptor = Adaptor::Get();
 804
 805       if(NULL == mIdleCallback)
 806       {
 807         // @note: The callback manager takes the ownership of the callback object.
 808         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 809         adaptor.AddIdle(mIdleCallback, false);
 810       }
 811     }
 812   }
 813 }
 814
 815 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 816 {
 817   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mCursorLayer, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 818   if(mRenderableActor)
 819   {
 820     ApplyScrollPosition();
 821   }
 822   UpdateScrollBar();
 823 }
 824
 825 void TextEditor::OnKeyInputFocusGained()
 826 {
 827   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 828   if(mInputMethodContext && IsEditable())
 829   {
 830     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 831     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 832     mInputMethodContext.NotifyTextInputMultiLine(true);
 833
 834     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 835
 836     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 837
 838     // Notify that the text editing start.
 839     mInputMethodContext.Activate();
 840
 841     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 842     mInputMethodContext.SetRestoreAfterFocusLost(true);
 843   }
 844   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 845
 846   if(notifier)
 847   {
 848     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 849   }
 850
 851   if(IsEditable() && mController->IsUserInteractionEnabled())
 852   {
 853     mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 854   }
 855
 856   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 857 }
 858
 859 void TextEditor::OnKeyInputFocusLost()
 860 {
 861   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 862   if(mInputMethodContext)
 863   {
 864     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 865
 866     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 867     mInputMethodContext.SetRestoreAfterFocusLost(false);
 868
 869     // Notify that the text editing finish.
 870     mInputMethodContext.Deactivate();
 871
 872     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 873   }
 874   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 875
 876   if(notifier)
 877   {
 878     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 879   }
 880
 881   mController->KeyboardFocusLostEvent();
 882
 883   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 884 }
 885
 886 bool TextEditor::OnAccessibilityActivated()
 887 {
 888   SetKeyInputFocus();
 889   return true;
 890 }
 891
 892 void TextEditor::OnTap(const TapGesture& gesture)
 893 {
 894   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 895   if(mInputMethodContext && IsEditable())
 896   {
 897     mInputMethodContext.Activate();
 898   }
 899   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 900   Extents padding;
 901   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 902   const Vector2& localPoint = gesture.GetLocalPoint();
 903   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 904   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 905
 906   Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 907   if (keyboardFocusManager)
 908   {
 909     keyboardFocusManager.SetCurrentFocusActor(Self());
 910   }
 911   SetKeyInputFocus();
 912 }
 913
 914 void TextEditor::OnPan(const PanGesture& gesture)
 915 {
 916   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 917   if(gesture.GetState() == GestureState::STARTED && !mController->IsScrollable(gesture.GetDisplacement()))
 918   {
 919     Dali::DevelActor::SetNeedGesturePropagation(Self(), true);
 920   }
 921 }
 922
 923 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 924 {
 925   if(mInputMethodContext && IsEditable())
 926   {
 927     mInputMethodContext.Activate();
 928   }
 929   Extents padding;
 930   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 931   const Vector2& localPoint = gesture.GetLocalPoint();
 932   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 933
 934   SetKeyInputFocus();
 935 }
 936
 937 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 938 {
 939   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 940
 941   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 942   {
 943     // Make sure ClearKeyInputFocus when only key is up
 944     if(event.GetState() == KeyEvent::UP)
 945     {
 946       Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 947       if (keyboardFocusManager)
 948       {
 949         keyboardFocusManager.ClearFocus();
 950       }
 951       ClearKeyInputFocus();
 952     }
 953
 954     return true;
 955   }
 956
 957   return mController->KeyEvent(event);
 958 }
 959
 960 void TextEditor::RequestTextRelayout()
 961 {
 962   RelayoutRequest();
 963 }
 964
 965 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 966 {
 967   GetAccessibleObject()->EmitTextInserted(position, length, content);
 968 }
 969
 970 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 971 {
 972   GetAccessibleObject()->EmitTextDeleted(position, length, content);
 973 }
 974
 975 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 976 {
 977   GetAccessibleObject()->EmitTextCursorMoved(newPosition);
 978
 979   if((oldPosition != newPosition) && !mCursorPositionChanged)
 980   {
 981     mCursorPositionChanged = true;
 982     mOldPosition           = oldPosition;
 983   }
 984 }
 985
 986 void TextEditor::TextChanged(bool immediate)
 987 {
 988   if(immediate) // Emits TextChangedSignal immediately
 989   {
 990     EmitTextChangedSignal();
 991   }
 992   else
 993   {
 994     mTextChanged = true;
 995   }
 996 }
 997
 998 void TextEditor::EmitTextChangedSignal()
 999 {
1000   Dali::Toolkit::TextEditor handle(GetOwner());
1001   mTextChangedSignal.Emit(handle);
1002   mTextChanged = false;
1003 }
1004
1005 void TextEditor::MaxLengthReached()
1006 {
1007   Dali::Toolkit::TextEditor handle(GetOwner());
1008   mMaxLengthReachedSignal.Emit(handle);
1009 }
1010
1011 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
1012 {
1013   Dali::Toolkit::TextEditor handle(GetOwner());
1014   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
1015 }
1016
1017 void TextEditor::AnchorClicked(const std::string& href)
1018 {
1019   Dali::Toolkit::TextEditor handle(GetOwner());
1020   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
1021 }
1022
1023 void TextEditor::EmitCursorPositionChangedSignal()
1024 {
1025   Dali::Toolkit::TextEditor handle(GetOwner());
1026   mCursorPositionChanged = false;
1027   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
1028 }
1029
1030 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
1031 {
1032   Dali::Toolkit::TextEditor handle(GetOwner());
1033   mInputFilteredSignal.Emit(handle, type);
1034 }
1035
1036 void TextEditor::EmitSelectionChangedSignal()
1037 {
1038   Dali::Toolkit::TextEditor handle(GetOwner());
1039   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
1040   mSelectionChanged = false;
1041 }
1042
1043 void TextEditor::EmitSelectionClearedSignal()
1044 {
1045   Dali::Toolkit::TextEditor handle(GetOwner());
1046   mSelectionClearedSignal.Emit(handle);
1047   mSelectionCleared = false;
1048 }
1049
1050 void TextEditor::EmitSelectionStartedSignal()
1051 {
1052   Dali::Toolkit::TextEditor handle(GetOwner());
1053   mSelectionStartedSignal.Emit(handle);
1054   mSelectionStarted = false;
1055 }
1056
1057 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
1058 {
1059   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
1060   {
1061     if(newStart == newEnd)
1062     {
1063       mSelectionCleared = true;
1064     }
1065     else
1066     {
1067       if(oldStart == oldEnd)
1068       {
1069         mSelectionStarted = true;
1070       }
1071     }
1072
1073     mSelectionChanged  = true;
1074     mOldSelectionStart = oldStart;
1075     mOldSelectionEnd   = oldEnd;
1076
1077     if(mOldSelectionStart > mOldSelectionEnd)
1078     {
1079       //swap
1080       uint32_t temp      = mOldSelectionStart;
1081       mOldSelectionStart = mOldSelectionEnd;
1082       mOldSelectionEnd   = temp;
1083     }
1084   }
1085 }
1086
1087 void TextEditor::AddDecoration(Actor& actor, DecorationType type, bool needsClipping)
1088 {
1089   if(actor)
1090   {
1091     if(needsClipping)
1092     {
1093       mClippingDecorationActors.push_back(actor);
1094     }
1095
1096     // If the actor is a layer type, add it.
1097     if(type == DecorationType::ACTIVE_LAYER)
1098     {
1099       AddLayer(mActiveLayer, actor);
1100     }
1101     else if(type == DecorationType::CURSOR_LAYER)
1102     {
1103       AddLayer(mCursorLayer, actor);
1104     }
1105   }
1106 }
1107
1108 void TextEditor::AddLayer(Actor& layer, Actor& actor)
1109 {
1110   actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1111   actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1112   Self().Add(actor);
1113   layer = actor;
1114 }
1115
1116 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1117 {
1118   if(mController && mController->IsShowingRealText())
1119   {
1120     mController->SetTextSelectionRange(start, end);
1121     SetKeyInputFocus();
1122   }
1123 }
1124
1125 Uint32Pair TextEditor::GetTextSelectionRange() const
1126 {
1127   Uint32Pair range(0, 0);
1128   if(mController && mController->IsShowingRealText())
1129   {
1130     range = mController->GetTextSelectionRange();
1131   }
1132   return range;
1133 }
1134
1135 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1136 {
1137   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1138   Property::Map*  resultMap = propValue.GetMap();
1139
1140   Property::Value* colorValue = nullptr;
1141   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1142   {
1143     colorValue->Get(color);
1144   }
1145 }
1146
1147 void TextEditor::UpdateScrollBar()
1148 {
1149   using namespace Dali;
1150
1151   float scrollPosition;
1152   float controlSize;
1153   float layoutSize;
1154   bool  latestScrolled;
1155
1156   if(!mScrollBarEnabled)
1157   {
1158     return;
1159   }
1160   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1161   if(!latestScrolled || controlSize > layoutSize)
1162   {
1163     return;
1164   }
1165
1166   CustomActor self = Self();
1167   if(!mScrollBar)
1168   {
1169     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1170     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1171     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1172     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1173     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1174     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1175
1176     // Register the scroll position property
1177     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1178     // Register the minimum scroll position property
1179     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1180     // Register the maximum scroll position property
1181     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1182     // Register the scroll content size property
1183     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1184
1185     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1186
1187     // Set style name of ScrollBar for styling
1188     mScrollBar.SetStyleName("TextEditorScrollBar");
1189     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1190     if(scrollIndicator)
1191     {
1192       // Set style name of ScrollBarIndicator for styling
1193       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1194     }
1195
1196     self.Add(mScrollBar);
1197   }
1198   else
1199   {
1200     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1201     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1202     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1203
1204     self.SetProperty(propertyScrollPosition, scrollPosition);
1205     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1206     self.SetProperty(propertyScrollContentSize, layoutSize);
1207   }
1208
1209   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1210   if(!mScrollStarted)
1211   {
1212     mScrollStarted = true;
1213     Dali::Toolkit::TextEditor handle(GetOwner());
1214     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1215   }
1216
1217   Actor indicator = mScrollBar.GetScrollIndicator();
1218   if(mAnimation)
1219   {
1220     mAnimation.Stop(); // Cancel any animation
1221   }
1222   else
1223   {
1224     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1225   }
1226   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1227   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1228   mAnimation.Play();
1229   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1230 }
1231
1232 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1233 {
1234   // If animation is successfully ended, then emit ScrollStateChangedSignal
1235   if(animation.GetCurrentProgress() == 0.0f)
1236   {
1237     mScrollStarted = false;
1238     Dali::Toolkit::TextEditor handle(GetOwner());
1239     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1240   }
1241 }
1242
1243 void TextEditor::OnSceneConnect(Dali::Actor actor)
1244 {
1245   if(mHasBeenStaged)
1246   {
1247     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1248   }
1249   else
1250   {
1251     mHasBeenStaged = true;
1252   }
1253 }
1254
1255 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1256 {
1257   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1258   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1259 }
1260
1261 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1262 {
1263   if(mDecorator)
1264   {
1265     Property::Map map;
1266     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1267
1268     value = map;
1269   }
1270 }
1271
1272 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1273 {
1274   mController->PasteClipboardItemEvent();
1275 }
1276
1277 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1278 {
1279   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1280
1281   // Just hide the grab handle when keyboard is hidden.
1282   if(!keyboardShown)
1283   {
1284     mController->KeyboardFocusLostEvent();
1285   }
1286   else
1287   {
1288     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1289   }
1290 }
1291
1292 void TextEditor::OnSceneConnection(int depth)
1293 {
1294   // Sets the depth to the visuals inside the text's decorator.
1295   mDecorator->SetTextDepth(depth);
1296
1297   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1298
1299   // Call the Control::OnSceneConnection() to set the depth of the background.
1300   Control::OnSceneConnection(depth);
1301 }
1302
1303 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1304 {
1305   return false;
1306 }
1307
1308 void TextEditor::OnIdleSignal()
1309 {
1310   // Emits the change of input style signals.
1311   mController->ProcessInputStyleChangedSignals();
1312
1313   // Set the pointer to null as the callback manager deletes the callback after execute it.
1314   mIdleCallback = NULL;
1315 }
1316
1317 void TextEditor::ApplyScrollPosition()
1318 {
1319   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1320   float          scrollAmount = 0.0f;
1321
1322   if(mScrollAnimationEnabled)
1323   {
1324     scrollAmount = mController->GetScrollAmountByUserInput();
1325   }
1326   if(mTextVerticalScroller)
1327   {
1328     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1329   }
1330   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1331   {
1332     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1333   }
1334   else
1335   {
1336     mTextVerticalScroller = Text::TextVerticalScroller::New();
1337     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1338     {
1339       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1340     }
1341     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1342   }
1343 }
1344
1345 bool TextEditor::IsEditable() const
1346 {
1347   return mController->IsEditable();
1348 }
1349
1350 void TextEditor::SetEditable(bool editable)
1351 {
1352   mController->SetEditable(editable);
1353   if(mInputMethodContext && !editable)
1354   {
1355     mInputMethodContext.Deactivate();
1356   }
1357 }
1358
1359 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1360 {
1361   mController->ChangedLayoutDirection();
1362 }
1363
1364 TextEditor::TextEditor()
1365 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
1366   mAnimationPeriod(0.0f, 0.0f),
1367   mIdleCallback(NULL),
1368   mAlignmentOffset(0.f),
1369   mScrollAnimationDuration(0.f),
1370   mLineSpacing(0.f),
1371   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1372   mHasBeenStaged(false),
1373   mScrollAnimationEnabled(false),
1374   mScrollBarEnabled(false),
1375   mScrollStarted(false),
1376   mTextChanged(false),
1377   mCursorPositionChanged(false),
1378   mSelectionChanged(false),
1379   mSelectionCleared(false),
1380   mOldPosition(0u),
1381   mOldSelectionStart(0u),
1382   mOldSelectionEnd(0u),
1383   mSelectionStarted(false)
1384 {
1385 }
1386
1387 TextEditor::~TextEditor()
1388 {
1389   UnparentAndReset(mStencil);
1390
1391   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1392   {
1393     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1394     Adaptor::Get().RemoveIdle(mIdleCallback);
1395   }
1396 }
1397
1398 std::string TextEditor::TextEditorAccessible::GetName() const
1399 {
1400   return GetWholeText();
1401 }
1402
1403 const std::vector<Toolkit::TextAnchor>& TextEditor::TextEditorAccessible::GetTextAnchors() const
1404 {
1405   auto self = Toolkit::TextEditor::DownCast(Self());
1406
1407   return Toolkit::GetImpl(self).mAnchorActors;
1408 }
1409
1410 Toolkit::Text::ControllerPtr TextEditor::TextEditorAccessible::GetTextController() const
1411 {
1412   auto self = Toolkit::TextEditor::DownCast(Self());
1413
1414   return Toolkit::GetImpl(self).GetTextController();
1415 }
1416
1417 void TextEditor::TextEditorAccessible::RequestTextRelayout()
1418 {
1419   auto  self     = Toolkit::TextEditor::DownCast(Self());
1420   auto& selfImpl = Toolkit::GetImpl(self);
1421
1422   selfImpl.RequestTextRelayout();
1423 }
1424
1425 } // namespace Internal
1426
1427 } // namespace Toolkit
1428
1429 } // namespace Dali