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(ControlBehaviour additionalBehaviour)
 237 {
 238   // Create the implementation, temporarily owned by this handle on stack
 239   IntrusivePtr<TextEditor> impl = new TextEditor(additionalBehaviour);
 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 int TextEditor::GetCharacterIndexAtPosition(float visualX, float visualY) const
 378 {
 379   return mController->GetCharacterIndexAtPosition(visualX, visualY);
 380 }
 381
 382 void TextEditor::SetSpannedText(const Text::Spanned& spannedText)
 383 {
 384   mController->SetSpannedText(spannedText);
 385 }
 386
 387 string TextEditor::GetSelectedText() const
 388 {
 389   string selectedText = "";
 390   if(mController && mController->IsShowingRealText())
 391   {
 392     selectedText = mController->GetSelectedText();
 393   }
 394   return selectedText;
 395 }
 396
 397 InputMethodContext TextEditor::GetInputMethodContext()
 398 {
 399   return mInputMethodContext;
 400 }
 401
 402 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 403 {
 404   return mMaxLengthReachedSignal;
 405 }
 406
 407 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 408 {
 409   return mAnchorClickedSignal;
 410 }
 411
 412 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 413 {
 414   return mCursorPositionChangedSignal;
 415 }
 416
 417 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 418 {
 419   return mInputFilteredSignal;
 420 }
 421
 422 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 423 {
 424   return mSelectionChangedSignal;
 425 }
 426
 427 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 428 {
 429   return mSelectionClearedSignal;
 430 }
 431
 432 DevelTextEditor::SelectionStartedSignalType& TextEditor::SelectionStartedSignal()
 433 {
 434   return mSelectionStartedSignal;
 435 }
 436
 437 Text::ControllerPtr TextEditor::GetTextController()
 438 {
 439   return mController;
 440 }
 441
 442 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 443 {
 444   Dali::BaseHandle handle(object);
 445
 446   bool                connected(true);
 447   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 448
 449   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 450   {
 451     editor.TextChangedSignal().Connect(tracker, functor);
 452   }
 453   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 454   {
 455     editor.InputStyleChangedSignal().Connect(tracker, functor);
 456   }
 457   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 458   {
 459     if(editor)
 460     {
 461       Internal::TextEditor& editorImpl(GetImpl(editor));
 462       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 463     }
 464   }
 465   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 466   {
 467     if(editor)
 468     {
 469       Internal::TextEditor& editorImpl(GetImpl(editor));
 470       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 471     }
 472   }
 473   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 474   {
 475     if(editor)
 476     {
 477       Internal::TextEditor& editorImpl(GetImpl(editor));
 478       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 479     }
 480   }
 481   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 482   {
 483     if(editor)
 484     {
 485       Internal::TextEditor& editorImpl(GetImpl(editor));
 486       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 487     }
 488   }
 489   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 490   {
 491     if(editor)
 492     {
 493       Internal::TextEditor& editorImpl(GetImpl(editor));
 494       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 495     }
 496   }
 497   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 498   {
 499     if(editor)
 500     {
 501       Internal::TextEditor& editorImpl(GetImpl(editor));
 502       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 503     }
 504   }
 505   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_STARTED))
 506   {
 507     if(editor)
 508     {
 509       Internal::TextEditor& editorImpl(GetImpl(editor));
 510       editorImpl.SelectionStartedSignal().Connect(tracker, functor);
 511     }
 512   }
 513   else
 514   {
 515     // signalName does not match any signal
 516     connected = false;
 517   }
 518
 519   return connected;
 520 }
 521
 522 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 523 {
 524   return mTextChangedSignal;
 525 }
 526
 527 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 528 {
 529   return mInputStyleChangedSignal;
 530 }
 531
 532 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 533 {
 534   return mScrollStateChangedSignal;
 535 }
 536
 537 void TextEditor::OnAccessibilityStatusChanged()
 538 {
 539   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 540 }
 541
 542 void TextEditor::OnInitialize()
 543 {
 544   Actor self = Self();
 545
 546   mController = Text::Controller::New(this, this, this, this);
 547
 548   mDecorator = Text::Decorator::New(*mController,
 549                                     *mController);
 550
 551   mInputMethodContext = InputMethodContext::New(self);
 552
 553   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 554
 555   // Enables the text input.
 556   mController->EnableTextInput(mDecorator, mInputMethodContext);
 557
 558   // Enables the vertical scrolling after the text input has been enabled.
 559   mController->SetVerticalScrollEnabled(true);
 560
 561   // Disables the horizontal scrolling.
 562   mController->SetHorizontalScrollEnabled(false);
 563
 564   // Sets the maximum number of characters.
 565   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 566
 567   // Enable the smooth handle panning.
 568   mController->SetSmoothHandlePanEnabled(true);
 569
 570   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 571   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 572
 573   // Sets layoutDirection value
 574   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 575   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 576   mController->SetLayoutDirection(layoutDirection);
 577
 578   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 579
 580   // Forward input events to controller
 581   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 582   GetTapGestureDetector().SetMaximumTapsRequired(2);
 583   GetTapGestureDetector().ReceiveAllTapEvents(true);
 584
 585   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 586
 587   // Set BoundingBox to stage size if not already set.
 588   Rect<int> boundingBox;
 589   mDecorator->GetBoundingBox(boundingBox);
 590
 591   if(boundingBox.IsEmpty())
 592   {
 593     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 594     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 595   }
 596
 597   // Whether to flip the selection handles as soon as they cross.
 598   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 599
 600   // Set the default scroll speed.
 601   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 602
 603   // Fill-parent area by default
 604   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 605   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 606   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 607
 608   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 609
 610   // Creates an extra control to be used as stencil buffer.
 611   mStencil = Control::New();
 612   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 613   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 614
 615   // Creates a background visual. Even if the color is transparent it updates the stencil.
 616   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 617                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 618
 619   // Enable the clipping property.
 620   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 621   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 622
 623   self.Add(mStencil);
 624
 625   // Accessibility
 626   self.SetProperty(DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::ENTRY);
 627   self.SetProperty(DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 628
 629   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 630   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 631 }
 632
 633 DevelControl::ControlAccessible* TextEditor::CreateAccessibleObject()
 634 {
 635   return new TextEditorAccessible(Self());
 636 }
 637
 638 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 639 {
 640   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 641
 642   switch(change)
 643   {
 644     case StyleChange::DEFAULT_FONT_CHANGE:
 645     {
 646       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 647       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 648       // Property system did not set the font so should update it.
 649       mController->UpdateAfterFontChange(newFont);
 650       RelayoutRequest();
 651       break;
 652     }
 653
 654     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 655     {
 656       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 657       RelayoutRequest();
 658       break;
 659     }
 660     case StyleChange::THEME_CHANGE:
 661     {
 662       // Nothing to do, let control base class handle this
 663       break;
 664     }
 665   }
 666
 667   // Up call to Control
 668   Control::OnStyleChange(styleManager, change);
 669 }
 670
 671 Vector3 TextEditor::GetNaturalSize()
 672 {
 673   Extents padding;
 674   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 675
 676   Vector3 naturalSize = mController->GetNaturalSize();
 677   naturalSize.width += (padding.start + padding.end);
 678   naturalSize.height += (padding.top + padding.bottom);
 679
 680   return naturalSize;
 681 }
 682
 683 float TextEditor::GetHeightForWidth(float width)
 684 {
 685   Extents padding;
 686   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 687   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 688 }
 689
 690 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 691 {
 692   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 693   {
 694     actor.SetProperty(Actor::Property::SIZE, size);
 695   }
 696 }
 697
 698 void TextEditor::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
 699 {
 700   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnPropertySet index[%d]\n", index);
 701
 702   switch(index)
 703   {
 704     case DevelActor::Property::USER_INTERACTION_ENABLED:
 705     {
 706       const bool enabled = propertyValue.Get<bool>();
 707       mController->SetUserInteractionEnabled(enabled);
 708       if(mStencil)
 709       {
 710         float opacity = enabled ? 1.0f : mController->GetDisabledColorOpacity();
 711         mStencil.SetProperty(Actor::Property::OPACITY, opacity);
 712       }
 713       break;
 714     }
 715     default:
 716     {
 717       Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
 718       break;
 719     }
 720   }
 721 }
 722
 723 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 724 {
 725   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 726
 727   Actor self = Self();
 728
 729   Extents padding;
 730   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 731
 732   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 733
 734   // Support Right-To-Left of padding
 735   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 736
 737   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 738   {
 739     std::swap(padding.start, padding.end);
 740   }
 741
 742   if(mStencil)
 743   {
 744     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 745     ResizeActor(mStencil, contentSize);
 746   }
 747   if(mActiveLayer)
 748   {
 749     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 750     ResizeActor(mActiveLayer, contentSize);
 751   }
 752   if(mCursorLayer)
 753   {
 754     mCursorLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 755     ResizeActor(mCursorLayer, contentSize);
 756   }
 757
 758   // If there is text changed, callback is called.
 759   if(mTextChanged)
 760   {
 761     EmitTextChangedSignal();
 762   }
 763
 764   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 765
 766   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 767      !mRenderer)
 768   {
 769     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 770
 771     if(mDecorator &&
 772        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 773     {
 774       mDecorator->Relayout(contentSize);
 775     }
 776
 777     if(!mRenderer)
 778     {
 779       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 780     }
 781
 782     RenderText(updateTextType);
 783   }
 784
 785   if(mCursorPositionChanged)
 786   {
 787     EmitCursorPositionChangedSignal();
 788   }
 789
 790   if(mSelectionStarted)
 791   {
 792     EmitSelectionStartedSignal();
 793   }
 794
 795   if(mSelectionChanged)
 796   {
 797     EmitSelectionChangedSignal();
 798   }
 799
 800   if(mSelectionCleared)
 801   {
 802     EmitSelectionClearedSignal();
 803   }
 804
 805   // The text-editor emits signals when the input style changes. These changes of style are
 806   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 807   // can't be emitted during the size negotiation as the callbacks may update the UI.
 808   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 809   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 810   {
 811     if(Adaptor::IsAvailable())
 812     {
 813       Adaptor& adaptor = Adaptor::Get();
 814
 815       if(NULL == mIdleCallback)
 816       {
 817         // @note: The callback manager takes the ownership of the callback object.
 818         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 819         adaptor.AddIdle(mIdleCallback, false);
 820       }
 821     }
 822   }
 823 }
 824
 825 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 826 {
 827   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mCursorLayer, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 828   if(mRenderableActor)
 829   {
 830     ApplyScrollPosition();
 831   }
 832   UpdateScrollBar();
 833 }
 834
 835 void TextEditor::OnKeyInputFocusGained()
 836 {
 837   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 838   if(mInputMethodContext && IsEditable())
 839   {
 840     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 841     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 842     mInputMethodContext.NotifyTextInputMultiLine(true);
 843
 844     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 845
 846     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 847
 848     // Notify that the text editing start.
 849     mInputMethodContext.Activate();
 850
 851     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 852     mInputMethodContext.SetRestoreAfterFocusLost(true);
 853   }
 854   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 855
 856   if(notifier)
 857   {
 858     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 859   }
 860
 861   if(IsEditable() && mController->IsUserInteractionEnabled())
 862   {
 863     mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 864   }
 865
 866   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 867 }
 868
 869 void TextEditor::OnKeyInputFocusLost()
 870 {
 871   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 872   if(mInputMethodContext)
 873   {
 874     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 875
 876     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 877     mInputMethodContext.SetRestoreAfterFocusLost(false);
 878
 879     // Notify that the text editing finish.
 880     mInputMethodContext.Deactivate();
 881
 882     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 883   }
 884   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 885
 886   if(notifier)
 887   {
 888     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 889   }
 890
 891   mController->KeyboardFocusLostEvent();
 892
 893   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 894 }
 895
 896 bool TextEditor::OnAccessibilityActivated()
 897 {
 898   SetKeyInputFocus();
 899   return true;
 900 }
 901
 902 void TextEditor::OnTap(const TapGesture& gesture)
 903 {
 904   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 905   if(mInputMethodContext && IsEditable())
 906   {
 907     mInputMethodContext.Activate();
 908   }
 909   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 910   Extents padding;
 911   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 912   const Vector2& localPoint = gesture.GetLocalPoint();
 913   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 914   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 915
 916   Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 917   if(keyboardFocusManager)
 918   {
 919     keyboardFocusManager.SetCurrentFocusActor(Self());
 920   }
 921   SetKeyInputFocus();
 922 }
 923
 924 void TextEditor::OnPan(const PanGesture& gesture)
 925 {
 926   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 927   if(gesture.GetState() == GestureState::STARTED && !mController->IsScrollable(gesture.GetDisplacement()))
 928   {
 929     Dali::DevelActor::SetNeedGesturePropagation(Self(), true);
 930   }
 931 }
 932
 933 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 934 {
 935   if(mInputMethodContext && IsEditable())
 936   {
 937     mInputMethodContext.Activate();
 938   }
 939   Extents padding;
 940   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 941   const Vector2& localPoint = gesture.GetLocalPoint();
 942   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 943
 944   SetKeyInputFocus();
 945 }
 946
 947 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 948 {
 949   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 950
 951   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 952   {
 953     // Make sure ClearKeyInputFocus when only key is up
 954     if(event.GetState() == KeyEvent::UP)
 955     {
 956       Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 957       if(keyboardFocusManager)
 958       {
 959         keyboardFocusManager.ClearFocus();
 960       }
 961       ClearKeyInputFocus();
 962     }
 963
 964     return true;
 965   }
 966
 967   return mController->KeyEvent(event);
 968 }
 969
 970 void TextEditor::RequestTextRelayout()
 971 {
 972   RelayoutRequest();
 973 }
 974
 975 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 976 {
 977   GetAccessibleObject()->EmitTextInserted(position, length, content);
 978 }
 979
 980 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 981 {
 982   GetAccessibleObject()->EmitTextDeleted(position, length, content);
 983 }
 984
 985 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 986 {
 987   GetAccessibleObject()->EmitTextCursorMoved(newPosition);
 988
 989   if((oldPosition != newPosition) && !mCursorPositionChanged)
 990   {
 991     mCursorPositionChanged = true;
 992     mOldPosition           = oldPosition;
 993   }
 994 }
 995
 996 void TextEditor::TextChanged(bool immediate)
 997 {
 998   if(immediate) // Emits TextChangedSignal immediately
 999   {
1000     EmitTextChangedSignal();
1001   }
1002   else
1003   {
1004     mTextChanged = true;
1005   }
1006 }
1007
1008 void TextEditor::EmitTextChangedSignal()
1009 {
1010   Dali::Toolkit::TextEditor handle(GetOwner());
1011   mTextChangedSignal.Emit(handle);
1012   mTextChanged = false;
1013 }
1014
1015 void TextEditor::MaxLengthReached()
1016 {
1017   Dali::Toolkit::TextEditor handle(GetOwner());
1018   mMaxLengthReachedSignal.Emit(handle);
1019 }
1020
1021 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
1022 {
1023   Dali::Toolkit::TextEditor handle(GetOwner());
1024   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
1025 }
1026
1027 void TextEditor::AnchorClicked(const std::string& href)
1028 {
1029   Dali::Toolkit::TextEditor handle(GetOwner());
1030   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
1031 }
1032
1033 void TextEditor::EmitCursorPositionChangedSignal()
1034 {
1035   Dali::Toolkit::TextEditor handle(GetOwner());
1036   mCursorPositionChanged = false;
1037   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
1038 }
1039
1040 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
1041 {
1042   Dali::Toolkit::TextEditor handle(GetOwner());
1043   mInputFilteredSignal.Emit(handle, type);
1044 }
1045
1046 void TextEditor::EmitSelectionChangedSignal()
1047 {
1048   Dali::Toolkit::TextEditor handle(GetOwner());
1049   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
1050   mSelectionChanged = false;
1051 }
1052
1053 void TextEditor::EmitSelectionClearedSignal()
1054 {
1055   Dali::Toolkit::TextEditor handle(GetOwner());
1056   mSelectionClearedSignal.Emit(handle);
1057   mSelectionCleared = false;
1058 }
1059
1060 void TextEditor::EmitSelectionStartedSignal()
1061 {
1062   Dali::Toolkit::TextEditor handle(GetOwner());
1063   mSelectionStartedSignal.Emit(handle);
1064   mSelectionStarted = false;
1065 }
1066
1067 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
1068 {
1069   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
1070   {
1071     if(newStart == newEnd)
1072     {
1073       mSelectionCleared = true;
1074     }
1075     else
1076     {
1077       if(oldStart == oldEnd)
1078       {
1079         mSelectionStarted = true;
1080       }
1081     }
1082
1083     mSelectionChanged  = true;
1084     mOldSelectionStart = oldStart;
1085     mOldSelectionEnd   = oldEnd;
1086
1087     if(mOldSelectionStart > mOldSelectionEnd)
1088     {
1089       //swap
1090       uint32_t temp      = mOldSelectionStart;
1091       mOldSelectionStart = mOldSelectionEnd;
1092       mOldSelectionEnd   = temp;
1093     }
1094   }
1095 }
1096
1097 void TextEditor::AddDecoration(Actor& actor, DecorationType type, bool needsClipping)
1098 {
1099   if(actor)
1100   {
1101     if(needsClipping)
1102     {
1103       mClippingDecorationActors.push_back(actor);
1104     }
1105
1106     // If the actor is a layer type, add it.
1107     if(type == DecorationType::ACTIVE_LAYER)
1108     {
1109       AddLayer(mActiveLayer, actor);
1110     }
1111     else if(type == DecorationType::CURSOR_LAYER)
1112     {
1113       AddLayer(mCursorLayer, actor);
1114     }
1115   }
1116 }
1117
1118 void TextEditor::AddLayer(Actor& layer, Actor& actor)
1119 {
1120   actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1121   actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1122   Self().Add(actor);
1123   layer = actor;
1124 }
1125
1126 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1127 {
1128   if(mController && mController->IsShowingRealText())
1129   {
1130     mController->SetTextSelectionRange(start, end);
1131     SetKeyInputFocus();
1132   }
1133 }
1134
1135 Uint32Pair TextEditor::GetTextSelectionRange() const
1136 {
1137   Uint32Pair range(0, 0);
1138   if(mController && mController->IsShowingRealText())
1139   {
1140     range = mController->GetTextSelectionRange();
1141   }
1142   return range;
1143 }
1144
1145 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1146 {
1147   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1148   Property::Map*  resultMap = propValue.GetMap();
1149
1150   Property::Value* colorValue = nullptr;
1151   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1152   {
1153     colorValue->Get(color);
1154   }
1155 }
1156
1157 void TextEditor::UpdateScrollBar()
1158 {
1159   using namespace Dali;
1160
1161   float scrollPosition;
1162   float controlSize;
1163   float layoutSize;
1164   bool  latestScrolled;
1165
1166   if(!mScrollBarEnabled)
1167   {
1168     return;
1169   }
1170   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1171   if(!latestScrolled || controlSize > layoutSize)
1172   {
1173     return;
1174   }
1175
1176   CustomActor self = Self();
1177   if(!mScrollBar)
1178   {
1179     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1180     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1181     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1182     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1183     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1184     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1185
1186     // Register the scroll position property
1187     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1188     // Register the minimum scroll position property
1189     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1190     // Register the maximum scroll position property
1191     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1192     // Register the scroll content size property
1193     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1194
1195     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1196
1197     // Set style name of ScrollBar for styling
1198     mScrollBar.SetStyleName("TextEditorScrollBar");
1199     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1200     if(scrollIndicator)
1201     {
1202       // Set style name of ScrollBarIndicator for styling
1203       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1204     }
1205
1206     self.Add(mScrollBar);
1207   }
1208   else
1209   {
1210     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1211     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1212     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1213
1214     self.SetProperty(propertyScrollPosition, scrollPosition);
1215     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1216     self.SetProperty(propertyScrollContentSize, layoutSize);
1217   }
1218
1219   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1220   if(!mScrollStarted)
1221   {
1222     mScrollStarted = true;
1223     Dali::Toolkit::TextEditor handle(GetOwner());
1224     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1225   }
1226
1227   Actor indicator = mScrollBar.GetScrollIndicator();
1228   if(mAnimation)
1229   {
1230     mAnimation.Stop(); // Cancel any animation
1231   }
1232   else
1233   {
1234     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1235   }
1236   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1237   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1238   mAnimation.Play();
1239   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1240 }
1241
1242 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1243 {
1244   // If animation is successfully ended, then emit ScrollStateChangedSignal
1245   if(animation.GetCurrentProgress() == 0.0f)
1246   {
1247     mScrollStarted = false;
1248     Dali::Toolkit::TextEditor handle(GetOwner());
1249     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1250   }
1251 }
1252
1253 void TextEditor::OnSceneConnect(Dali::Actor actor)
1254 {
1255   if(mHasBeenStaged)
1256   {
1257     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1258   }
1259   else
1260   {
1261     mHasBeenStaged = true;
1262   }
1263 }
1264
1265 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1266 {
1267   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1268   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1269 }
1270
1271 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1272 {
1273   if(mDecorator)
1274   {
1275     Property::Map map;
1276     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1277
1278     value = map;
1279   }
1280 }
1281
1282 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1283 {
1284   mController->PasteClipboardItemEvent();
1285 }
1286
1287 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1288 {
1289   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1290
1291   // Just hide the grab handle when keyboard is hidden.
1292   if(!keyboardShown)
1293   {
1294     mController->KeyboardFocusLostEvent();
1295   }
1296   else
1297   {
1298     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1299   }
1300 }
1301
1302 void TextEditor::OnSceneConnection(int depth)
1303 {
1304   // Sets the depth to the visuals inside the text's decorator.
1305   mDecorator->SetTextDepth(depth);
1306
1307   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1308
1309   // Call the Control::OnSceneConnection() to set the depth of the background.
1310   Control::OnSceneConnection(depth);
1311 }
1312
1313 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1314 {
1315   return false;
1316 }
1317
1318 void TextEditor::OnIdleSignal()
1319 {
1320   // Emits the change of input style signals.
1321   mController->ProcessInputStyleChangedSignals();
1322
1323   // Set the pointer to null as the callback manager deletes the callback after execute it.
1324   mIdleCallback = NULL;
1325 }
1326
1327 void TextEditor::ApplyScrollPosition()
1328 {
1329   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1330   float          scrollAmount = 0.0f;
1331
1332   if(mScrollAnimationEnabled)
1333   {
1334     scrollAmount = mController->GetScrollAmountByUserInput();
1335   }
1336   if(mTextVerticalScroller)
1337   {
1338     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1339   }
1340   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1341   {
1342     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1343   }
1344   else
1345   {
1346     mTextVerticalScroller = Text::TextVerticalScroller::New();
1347     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1348     {
1349       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1350     }
1351     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1352   }
1353 }
1354
1355 bool TextEditor::IsEditable() const
1356 {
1357   return mController->IsEditable();
1358 }
1359
1360 void TextEditor::SetEditable(bool editable)
1361 {
1362   mController->SetEditable(editable);
1363   if(mInputMethodContext && !editable)
1364   {
1365     mInputMethodContext.Deactivate();
1366   }
1367 }
1368
1369 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1370 {
1371   mController->ChangedLayoutDirection();
1372 }
1373
1374 TextEditor::TextEditor(ControlBehaviour additionalBehaviour)
1375 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT | additionalBehaviour)),
1376   mAnimationPeriod(0.0f, 0.0f),
1377   mIdleCallback(NULL),
1378   mAlignmentOffset(0.f),
1379   mScrollAnimationDuration(0.f),
1380   mLineSpacing(0.f),
1381   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1382   mHasBeenStaged(false),
1383   mScrollAnimationEnabled(false),
1384   mScrollBarEnabled(false),
1385   mScrollStarted(false),
1386   mTextChanged(false),
1387   mCursorPositionChanged(false),
1388   mSelectionChanged(false),
1389   mSelectionCleared(false),
1390   mOldPosition(0u),
1391   mOldSelectionStart(0u),
1392   mOldSelectionEnd(0u),
1393   mSelectionStarted(false)
1394 {
1395 }
1396
1397 TextEditor::~TextEditor()
1398 {
1399   UnparentAndReset(mStencil);
1400
1401   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1402   {
1403     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1404     Adaptor::Get().RemoveIdle(mIdleCallback);
1405   }
1406 }
1407
1408 std::string TextEditor::TextEditorAccessible::GetName() const
1409 {
1410   return GetWholeText();
1411 }
1412
1413 const std::vector<Toolkit::TextAnchor>& TextEditor::TextEditorAccessible::GetTextAnchors() const
1414 {
1415   auto self = Toolkit::TextEditor::DownCast(Self());
1416
1417   return Toolkit::GetImpl(self).mAnchorActors;
1418 }
1419
1420 Toolkit::Text::ControllerPtr TextEditor::TextEditorAccessible::GetTextController() const
1421 {
1422   auto self = Toolkit::TextEditor::DownCast(Self());
1423
1424   return Toolkit::GetImpl(self).GetTextController();
1425 }
1426
1427 void TextEditor::TextEditorAccessible::RequestTextRelayout()
1428 {
1429   auto  self     = Toolkit::TextEditor::DownCast(Self());
1430   auto& selfImpl = Toolkit::GetImpl(self);
1431
1432   selfImpl.RequestTextRelayout();
1433 }
1434
1435 } // namespace Internal
1436
1437 } // namespace Toolkit
1438
1439 } // namespace Dali