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

   1 /*
   2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali-toolkit/internal/controls/text-controls/text-editor-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/devel-api/actors/actor-devel.h>
  23 #include <dali/devel-api/common/stage.h>
  24 #include <dali/devel-api/object/property-helper-devel.h>
  25 #include <dali/integration-api/adaptor-framework/adaptor.h>
  26 #include <dali/integration-api/debug.h>
  27 #include <dali/public-api/actors/layer.h>
  28 #include <dali/public-api/adaptor-framework/key.h>
  29 #include <dali/public-api/common/dali-common.h>
  30 #include <dali/public-api/math/math-utils.h>
  31 #include <dali/public-api/object/type-registry-helper.h>
  32 #include <cstring>
  33 #include <limits>
  34
  35 // INTERNAL INCLUDES
  36 #include <dali-toolkit/devel-api/controls/control-devel.h>
  37 #include <dali-toolkit/devel-api/text/rendering-backend.h>
  38 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
  39 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
  40 #include <dali-toolkit/internal/controls/text-controls/text-editor-property-handler.h>
  41 #include <dali-toolkit/internal/focus-manager/keyboard-focus-manager-impl.h>
  42 #include <dali-toolkit/internal/styling/style-manager-impl.h>
  43 #include <dali-toolkit/internal/text/rendering/text-backend.h>
  44 #include <dali-toolkit/internal/text/text-effects-style.h>
  45 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
  46 #include <dali-toolkit/internal/text/text-font-style.h>
  47 #include <dali-toolkit/internal/text/text-view.h>
  48 #include <dali-toolkit/public-api/text/text-enumerations.h>
  49 #include <dali-toolkit/public-api/visuals/color-visual-properties.h>
  50 #include <dali-toolkit/public-api/visuals/visual-properties.h>
  51
  52 using namespace Dali::Toolkit::Text;
  53
  54 #if defined(DEBUG_ENABLED)
  55 Debug::Filter* gTextEditorLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
  56 #endif
  57
  58 namespace Dali
  59 {
  60 namespace Toolkit
  61 {
  62 namespace Internal
  63 {
  64 namespace // unnamed namespace
  65 {
  66 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
  67 const float        DEFAULT_SCROLL_SPEED      = 1200.f; ///< The default scroll speed for the text editor in pixels/second.
  68 } // unnamed namespace
  69
  70 namespace
  71 {
  72 const char* const SCROLL_BAR_POSITION("sourcePosition");
  73 const char* const SCROLL_BAR_POSITION_MIN("sourcePositionMin");
  74 const char* const SCROLL_BAR_POSITION_MAX("sourcePositionMax");
  75 const char* const SCROLL_BAR_CONTENT_SIZE("sourceContentSize");
  76
  77 // Type registration
  78 BaseHandle Create()
  79 {
  80   return Toolkit::TextEditor::New();
  81 }
  82
  83 // clang-format off
  84 // Setup properties, signals and actions using the type-registry.
  85 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::TextEditor, Toolkit::Control, Create);
  86
  87 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "text",                                 STRING,    TEXT                                )
  88 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "textColor",                            VECTOR4,   TEXT_COLOR                          )
  89 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontFamily",                           STRING,    FONT_FAMILY                         )
  90 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "fontStyle",                            MAP,       FONT_STYLE                          )
  91 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pointSize",                            FLOAT,     POINT_SIZE                          )
  92 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "horizontalAlignment",                  STRING,    HORIZONTAL_ALIGNMENT                )
  93 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollThreshold",                      FLOAT,     SCROLL_THRESHOLD                    )
  94 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollSpeed",                          FLOAT,     SCROLL_SPEED                        )
  95 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "primaryCursorColor",                   VECTOR4,   PRIMARY_CURSOR_COLOR                )
  96 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "secondaryCursorColor",                 VECTOR4,   SECONDARY_CURSOR_COLOR              )
  97 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableCursorBlink",                    BOOLEAN,   ENABLE_CURSOR_BLINK                 )
  98 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkInterval",                  FLOAT,     CURSOR_BLINK_INTERVAL               )
  99 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorBlinkDuration",                  FLOAT,     CURSOR_BLINK_DURATION               )
 100 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "cursorWidth",                          INTEGER,   CURSOR_WIDTH                        )
 101 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandleImage",                      STRING,    GRAB_HANDLE_IMAGE                   )
 102 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "grabHandlePressedImage",               STRING,    GRAB_HANDLE_PRESSED_IMAGE           )
 103 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageLeft",             MAP,       SELECTION_HANDLE_IMAGE_LEFT         )
 104 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleImageRight",            MAP,       SELECTION_HANDLE_IMAGE_RIGHT        )
 105 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageLeft",      MAP,       SELECTION_HANDLE_PRESSED_IMAGE_LEFT )
 106 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandlePressedImageRight",     MAP,       SELECTION_HANDLE_PRESSED_IMAGE_RIGHT)
 107 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageLeft",       MAP,       SELECTION_HANDLE_MARKER_IMAGE_LEFT  )
 108 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHandleMarkerImageRight",      MAP,       SELECTION_HANDLE_MARKER_IMAGE_RIGHT )
 109 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "selectionHighlightColor",              VECTOR4,   SELECTION_HIGHLIGHT_COLOR           )
 110 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "decorationBoundingBox",                RECTANGLE, DECORATION_BOUNDING_BOX             )
 111 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableMarkup",                         BOOLEAN,   ENABLE_MARKUP                       )
 112 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputColor",                           VECTOR4,   INPUT_COLOR                         )
 113 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontFamily",                      STRING,    INPUT_FONT_FAMILY                   )
 114 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputFontStyle",                       MAP,       INPUT_FONT_STYLE                    )
 115 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputPointSize",                       FLOAT,     INPUT_POINT_SIZE                    )
 116 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineSpacing",                          FLOAT,     LINE_SPACING                        )
 117 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputLineSpacing",                     FLOAT,     INPUT_LINE_SPACING                  )
 118 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "underline",                            MAP,       UNDERLINE                           )
 119 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputUnderline",                       MAP,       INPUT_UNDERLINE                     )
 120 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "shadow",                               MAP,       SHADOW                              )
 121 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputShadow",                          MAP,       INPUT_SHADOW                        )
 122 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "emboss",                               MAP,       EMBOSS                              )
 123 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputEmboss",                          MAP,       INPUT_EMBOSS                        )
 124 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "outline",                              MAP,       OUTLINE                             )
 125 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "inputOutline",                         MAP,       INPUT_OUTLINE                       )
 126 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScroll",                         BOOLEAN,   SMOOTH_SCROLL                       )
 127 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "smoothScrollDuration",                 FLOAT,     SMOOTH_SCROLL_DURATION              )
 128 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableScrollBar",                      BOOLEAN,   ENABLE_SCROLL_BAR                   )
 129 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarShowDuration",                FLOAT,     SCROLL_BAR_SHOW_DURATION            )
 130 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "scrollBarFadeDuration",                FLOAT,     SCROLL_BAR_FADE_DURATION            )
 131 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "pixelSize",                            FLOAT,     PIXEL_SIZE                          )
 132 DALI_PROPERTY_REGISTRATION_READ_ONLY(Toolkit,       TextEditor, "lineCount",                            INTEGER,   LINE_COUNT                          )
 133 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "enableSelection",                      BOOLEAN,   ENABLE_SELECTION                    )
 134 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "placeholder",                          MAP,       PLACEHOLDER                         )
 135 DALI_PROPERTY_REGISTRATION(Toolkit,                 TextEditor, "lineWrapMode",                         INTEGER,   LINE_WRAP_MODE                      )
 136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderText",                      STRING,    PLACEHOLDER_TEXT                    )
 137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "placeholderTextColor",                 VECTOR4,   PLACEHOLDER_TEXT_COLOR              )
 138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableShiftSelection",                 BOOLEAN,   ENABLE_SHIFT_SELECTION              )
 139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandle",                     BOOLEAN,   ENABLE_GRAB_HANDLE                  )
 140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "matchSystemLanguageDirection",         BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION     )
 141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "renderingBackend",                     INTEGER,   RENDERING_BACKEND                   )
 142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "maxLength",                            INTEGER,   MAX_LENGTH                          )
 143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextStart",                    INTEGER,   SELECTED_TEXT_START                 )
 144 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectedTextEnd",                      INTEGER,   SELECTED_TEXT_END                   )
 145 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "horizontalScrollPosition",             FLOAT,     HORIZONTAL_SCROLL_POSITION          )
 146 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalScrollPosition",               INTEGER,   VERTICAL_SCROLL_POSITION            )
 147 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableEditing",                        BOOLEAN,   ENABLE_EDITING                      )
 148 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextEditor, "selectedText",                         STRING,    SELECTED_TEXT                       )
 149 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "fontSizeScale",                        FLOAT,     FONT_SIZE_SCALE                     )
 150 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableFontSizeScale",                  BOOLEAN,   ENABLE_FONT_SIZE_SCALE              )
 151 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "primaryCursorPosition",                INTEGER,   PRIMARY_CURSOR_POSITION             )
 152 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "grabHandleColor",                      VECTOR4,   GRAB_HANDLE_COLOR                   )
 153 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "enableGrabHandlePopup",                BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP            )
 154 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputMethodSettings",                  MAP,       INPUT_METHOD_SETTINGS               )
 155 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputFilter",                          MAP,       INPUT_FILTER                        )
 156 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsis",                             BOOLEAN,   ELLIPSIS                            )
 157 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "ellipsisPosition",                     INTEGER,   ELLIPSIS_POSITION                   )
 158 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "minLineSize",                          FLOAT,     MIN_LINE_SIZE                       )
 159 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "strikethrough",                        MAP,       STRIKETHROUGH                       )
 160 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "inputStrikethrough",                   MAP,       INPUT_STRIKETHROUGH                 )
 161 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "characterSpacing",                     FLOAT,     CHARACTER_SPACING                   )
 162 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "relativeLineSize",                     FLOAT,     RELATIVE_LINE_SIZE                  )
 163 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "verticalAlignment",                    STRING,    VERTICAL_ALIGNMENT                  )
 164 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit,           TextEditor, "selectionPopupStyle",                  MAP,       SELECTION_POPUP_STYLE               )
 165
 166 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "textChanged",           SIGNAL_TEXT_CHANGED           )
 167 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputStyleChanged",     SIGNAL_INPUT_STYLE_CHANGED    )
 168 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "maxLengthReached",      SIGNAL_MAX_LENGTH_REACHED     )
 169 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "anchorClicked",         SIGNAL_ANCHOR_CLICKED         )
 170 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "inputFiltered",         SIGNAL_INPUT_FILTERED         )
 171 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "cursorPositionChanged", SIGNAL_CURSOR_POSITION_CHANGED)
 172 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionChanged",      SIGNAL_SELECTION_CHANGED      )
 173 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionCleared",      SIGNAL_SELECTION_CLEARED      )
 174 DALI_SIGNAL_REGISTRATION(Toolkit, TextEditor, "selectionStarted",      SIGNAL_SELECTION_STARTED      )
 175
 176 DALI_TYPE_REGISTRATION_END()
 177 // clang-format on
 178
 179 Toolkit::TextEditor::InputStyle::Mask ConvertInputStyle(Text::InputStyle::Mask inputStyleMask)
 180 {
 181   Toolkit::TextEditor::InputStyle::Mask editorInputStyleMask = Toolkit::TextEditor::InputStyle::NONE;
 182
 183   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_COLOR))
 184   {
 185     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::COLOR);
 186   }
 187   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_FAMILY))
 188   {
 189     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_FAMILY);
 190   }
 191   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_POINT_SIZE))
 192   {
 193     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::POINT_SIZE);
 194   }
 195   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WEIGHT))
 196   {
 197     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 198   }
 199   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_WIDTH))
 200   {
 201     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 202   }
 203   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_FONT_SLANT))
 204   {
 205     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::FONT_STYLE);
 206   }
 207   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_LINE_SPACING))
 208   {
 209     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::LINE_SPACING);
 210   }
 211   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_UNDERLINE))
 212   {
 213     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::UNDERLINE);
 214   }
 215   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_SHADOW))
 216   {
 217     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::SHADOW);
 218   }
 219   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_EMBOSS))
 220   {
 221     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::EMBOSS);
 222   }
 223   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_OUTLINE))
 224   {
 225     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::OUTLINE);
 226   }
 227   if(InputStyle::NONE != static_cast<InputStyle::Mask>(inputStyleMask & InputStyle::INPUT_STRIKETHROUGH))
 228   {
 229     editorInputStyleMask = static_cast<Toolkit::TextEditor::InputStyle::Mask>(editorInputStyleMask | Toolkit::TextEditor::InputStyle::STRIKETHROUGH);
 230   }
 231
 232   return editorInputStyleMask;
 233 }
 234
 235 } // namespace
 236
 237 Toolkit::TextEditor TextEditor::New(ControlBehaviour additionalBehaviour)
 238 {
 239   // Create the implementation, temporarily owned by this handle on stack
 240   IntrusivePtr<TextEditor> impl = new TextEditor(additionalBehaviour);
 241
 242   // Pass ownership to CustomActor handle
 243   Toolkit::TextEditor handle(*impl);
 244
 245   // Second-phase init of the implementation
 246   // This can only be done after the CustomActor connection has been made...
 247   impl->Initialize();
 248
 249   return handle;
 250 }
 251
 252 void TextEditor::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 253 {
 254   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 255
 256   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor SetProperty\n");
 257
 258   if(textEditor)
 259   {
 260     PropertyHandler::SetProperty(textEditor, index, value);
 261   }
 262 }
 263
 264 Property::Value TextEditor::GetProperty(BaseObject* object, Property::Index index)
 265 {
 266   Property::Value value;
 267
 268   Toolkit::TextEditor textEditor = Toolkit::TextEditor::DownCast(Dali::BaseHandle(object));
 269
 270   if(textEditor)
 271   {
 272     value = PropertyHandler::GetProperty(textEditor, index);
 273   }
 274   return value;
 275 }
 276
 277 void TextEditor::SelectWholeText()
 278 {
 279   if(mController && mController->IsShowingRealText())
 280   {
 281     mController->SelectWholeText();
 282     SetKeyInputFocus();
 283   }
 284 }
 285
 286 void TextEditor::SelectNone()
 287 {
 288   if(mController && mController->IsShowingRealText())
 289   {
 290     mController->SelectNone();
 291   }
 292 }
 293
 294 void TextEditor::SelectText(const uint32_t start, const uint32_t end)
 295 {
 296   if(mController && mController->IsShowingRealText())
 297   {
 298     mController->SelectText(start, end);
 299     SetKeyInputFocus();
 300   }
 301 }
 302
 303 string TextEditor::CopyText()
 304 {
 305   string copiedText = "";
 306   if(mController && mController->IsShowingRealText())
 307   {
 308     copiedText = mController->CopyText();
 309   }
 310   return copiedText;
 311 }
 312
 313 string TextEditor::CutText()
 314 {
 315   string cutText = "";
 316   if(mController && mController->IsShowingRealText())
 317   {
 318     cutText = mController->CutText();
 319   }
 320   return cutText;
 321 }
 322
 323 void TextEditor::PasteText()
 324 {
 325   if(mController)
 326   {
 327     SetKeyInputFocus(); //Giving focus to the editor that was passed to the PasteText in case the passed editor (current editor) doesn't have focus.
 328     mController->PasteText();
 329   }
 330 }
 331
 332 void TextEditor::ScrollBy(Vector2 scroll)
 333 {
 334   if(mController && mController->IsShowingRealText())
 335   {
 336     mController->ScrollBy(scroll);
 337   }
 338 }
 339
 340 float TextEditor::GetHorizontalScrollPosition()
 341 {
 342   if(mController && mController->IsShowingRealText())
 343   {
 344     return mController->GetHorizontalScrollPosition();
 345   }
 346   return 0;
 347 }
 348
 349 float TextEditor::GetVerticalScrollPosition()
 350 {
 351   if(mController && mController->IsShowingRealText())
 352   {
 353     return mController->GetVerticalScrollPosition();
 354   }
 355   return 0;
 356 }
 357
 358 Vector<Vector2> TextEditor::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
 359 {
 360   return mController->GetTextSize(startIndex, endIndex);
 361 }
 362
 363 Vector<Vector2> TextEditor::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
 364 {
 365   return mController->GetTextPosition(startIndex, endIndex);
 366 }
 367
 368 Rect<float> TextEditor::GetLineBoundingRectangle(const uint32_t lineIndex) const
 369 {
 370   return mController->GetLineBoundingRectangle(lineIndex);
 371 }
 372
 373 Rect<float> TextEditor::GetCharacterBoundingRectangle(const uint32_t charIndex) const
 374 {
 375   return mController->GetCharacterBoundingRectangle(charIndex);
 376 }
 377
 378 int TextEditor::GetCharacterIndexAtPosition(float visualX, float visualY) const
 379 {
 380   return mController->GetCharacterIndexAtPosition(visualX, visualY);
 381 }
 382
 383 void TextEditor::SetSpannedText(const Text::Spanned& spannedText)
 384 {
 385   mController->SetSpannedText(spannedText);
 386 }
 387
 388 string TextEditor::GetSelectedText() const
 389 {
 390   string selectedText = "";
 391   if(mController && mController->IsShowingRealText())
 392   {
 393     selectedText = mController->GetSelectedText();
 394   }
 395   return selectedText;
 396 }
 397
 398 InputMethodContext TextEditor::GetInputMethodContext()
 399 {
 400   return mInputMethodContext;
 401 }
 402
 403 DevelTextEditor::MaxLengthReachedSignalType& TextEditor::MaxLengthReachedSignal()
 404 {
 405   return mMaxLengthReachedSignal;
 406 }
 407
 408 DevelTextEditor::AnchorClickedSignalType& TextEditor::AnchorClickedSignal()
 409 {
 410   return mAnchorClickedSignal;
 411 }
 412
 413 DevelTextEditor::CursorPositionChangedSignalType& TextEditor::CursorPositionChangedSignal()
 414 {
 415   return mCursorPositionChangedSignal;
 416 }
 417
 418 DevelTextEditor::InputFilteredSignalType& TextEditor::InputFilteredSignal()
 419 {
 420   return mInputFilteredSignal;
 421 }
 422
 423 DevelTextEditor::SelectionChangedSignalType& TextEditor::SelectionChangedSignal()
 424 {
 425   return mSelectionChangedSignal;
 426 }
 427
 428 DevelTextEditor::SelectionClearedSignalType& TextEditor::SelectionClearedSignal()
 429 {
 430   return mSelectionClearedSignal;
 431 }
 432
 433 DevelTextEditor::SelectionStartedSignalType& TextEditor::SelectionStartedSignal()
 434 {
 435   return mSelectionStartedSignal;
 436 }
 437
 438 Text::ControllerPtr TextEditor::GetTextController()
 439 {
 440   return mController;
 441 }
 442
 443 bool TextEditor::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 444 {
 445   Dali::BaseHandle handle(object);
 446
 447   bool                connected(true);
 448   Toolkit::TextEditor editor = Toolkit::TextEditor::DownCast(handle);
 449
 450   if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_CHANGED))
 451   {
 452     editor.TextChangedSignal().Connect(tracker, functor);
 453   }
 454   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_STYLE_CHANGED))
 455   {
 456     editor.InputStyleChangedSignal().Connect(tracker, functor);
 457   }
 458   else if(0 == strcmp(signalName.c_str(), SIGNAL_MAX_LENGTH_REACHED))
 459   {
 460     if(editor)
 461     {
 462       Internal::TextEditor& editorImpl(GetImpl(editor));
 463       editorImpl.MaxLengthReachedSignal().Connect(tracker, functor);
 464     }
 465   }
 466   else if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
 467   {
 468     if(editor)
 469     {
 470       Internal::TextEditor& editorImpl(GetImpl(editor));
 471       editorImpl.AnchorClickedSignal().Connect(tracker, functor);
 472     }
 473   }
 474   else if(0 == strcmp(signalName.c_str(), SIGNAL_CURSOR_POSITION_CHANGED))
 475   {
 476     if(editor)
 477     {
 478       Internal::TextEditor& editorImpl(GetImpl(editor));
 479       editorImpl.CursorPositionChangedSignal().Connect(tracker, functor);
 480     }
 481   }
 482   else if(0 == strcmp(signalName.c_str(), SIGNAL_INPUT_FILTERED))
 483   {
 484     if(editor)
 485     {
 486       Internal::TextEditor& editorImpl(GetImpl(editor));
 487       editorImpl.InputFilteredSignal().Connect(tracker, functor);
 488     }
 489   }
 490   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CHANGED))
 491   {
 492     if(editor)
 493     {
 494       Internal::TextEditor& editorImpl(GetImpl(editor));
 495       editorImpl.SelectionChangedSignal().Connect(tracker, functor);
 496     }
 497   }
 498   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_CLEARED))
 499   {
 500     if(editor)
 501     {
 502       Internal::TextEditor& editorImpl(GetImpl(editor));
 503       editorImpl.SelectionClearedSignal().Connect(tracker, functor);
 504     }
 505   }
 506   else if(0 == strcmp(signalName.c_str(), SIGNAL_SELECTION_STARTED))
 507   {
 508     if(editor)
 509     {
 510       Internal::TextEditor& editorImpl(GetImpl(editor));
 511       editorImpl.SelectionStartedSignal().Connect(tracker, functor);
 512     }
 513   }
 514   else
 515   {
 516     // signalName does not match any signal
 517     connected = false;
 518   }
 519
 520   return connected;
 521 }
 522
 523 Toolkit::TextEditor::TextChangedSignalType& TextEditor::TextChangedSignal()
 524 {
 525   return mTextChangedSignal;
 526 }
 527
 528 Toolkit::TextEditor::InputStyleChangedSignalType& TextEditor::InputStyleChangedSignal()
 529 {
 530   return mInputStyleChangedSignal;
 531 }
 532
 533 Toolkit::TextEditor::ScrollStateChangedSignalType& TextEditor::ScrollStateChangedSignal()
 534 {
 535   return mScrollStateChangedSignal;
 536 }
 537
 538 void TextEditor::OnAccessibilityStatusChanged()
 539 {
 540   CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
 541 }
 542
 543 void TextEditor::OnInitialize()
 544 {
 545   Actor self = Self();
 546
 547   mController = Text::Controller::New(this, this, this, this);
 548
 549   mDecorator = Text::Decorator::New(*mController,
 550                                     *mController);
 551
 552   mInputMethodContext = InputMethodContext::New(self);
 553
 554   mController->GetLayoutEngine().SetLayout(Layout::Engine::MULTI_LINE_BOX);
 555
 556   // Enables the text input.
 557   mController->EnableTextInput(mDecorator, mInputMethodContext);
 558
 559   // Enables the vertical scrolling after the text input has been enabled.
 560   mController->SetVerticalScrollEnabled(true);
 561
 562   // Disables the horizontal scrolling.
 563   mController->SetHorizontalScrollEnabled(false);
 564
 565   // Sets the maximum number of characters.
 566   mController->SetMaximumNumberOfCharacters(std::numeric_limits<Length>::max());
 567
 568   // Enable the smooth handle panning.
 569   mController->SetSmoothHandlePanEnabled(true);
 570
 571   mController->SetNoTextDoubleTapAction(Controller::NoTextTap::HIGHLIGHT);
 572   mController->SetNoTextLongPressAction(Controller::NoTextTap::HIGHLIGHT);
 573
 574   // Sets layoutDirection value
 575   Dali::Stage                 stage           = Dali::Stage::GetCurrent();
 576   Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
 577   mController->SetLayoutDirection(layoutDirection);
 578
 579   self.LayoutDirectionChangedSignal().Connect(this, &TextEditor::OnLayoutDirectionChanged);
 580
 581   // Forward input events to controller
 582   EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP | GestureType::PAN | GestureType::LONG_PRESS));
 583   GetTapGestureDetector().SetMaximumTapsRequired(2);
 584   GetTapGestureDetector().ReceiveAllTapEvents(true);
 585
 586   self.TouchedSignal().Connect(this, &TextEditor::OnTouched);
 587
 588   // Set BoundingBox to stage size if not already set.
 589   Rect<int> boundingBox;
 590   mDecorator->GetBoundingBox(boundingBox);
 591
 592   if(boundingBox.IsEmpty())
 593   {
 594     Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
 595     mDecorator->SetBoundingBox(Rect<int>(0.0f, 0.0f, stageSize.width, stageSize.height));
 596   }
 597
 598   // Whether to flip the selection handles as soon as they cross.
 599   mDecorator->FlipSelectionHandlesOnCrossEnabled(true);
 600
 601   // Set the default scroll speed.
 602   mDecorator->SetScrollSpeed(DEFAULT_SCROLL_SPEED);
 603
 604   // Fill-parent area by default
 605   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 606   self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
 607   self.OnSceneSignal().Connect(this, &TextEditor::OnSceneConnect);
 608
 609   DevelControl::SetInputMethodContext(*this, mInputMethodContext);
 610
 611   // Creates an extra control to be used as stencil buffer.
 612   mStencil = Control::New();
 613   mStencil.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
 614   mStencil.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
 615
 616   // Creates a background visual. Even if the color is transparent it updates the stencil.
 617   mStencil.SetProperty(Toolkit::Control::Property::BACKGROUND,
 618                        Property::Map().Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::COLOR).Add(ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT));
 619
 620   // Enable the clipping property.
 621   mStencil.SetProperty(Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX);
 622   mStencil.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 623
 624   self.Add(mStencil);
 625
 626   // Accessibility
 627   self.SetProperty(DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::ENTRY);
 628   self.SetProperty(DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
 629
 630   Accessibility::Bridge::EnabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 631   Accessibility::Bridge::DisabledSignal().Connect(this, &TextEditor::OnAccessibilityStatusChanged);
 632 }
 633
 634 DevelControl::ControlAccessible* TextEditor::CreateAccessibleObject()
 635 {
 636   return new TextEditorAccessible(Self());
 637 }
 638
 639 void TextEditor::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
 640 {
 641   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange\n");
 642
 643   switch(change)
 644   {
 645     case StyleChange::DEFAULT_FONT_CHANGE:
 646     {
 647       DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnStyleChange DEFAULT_FONT_CHANGE\n");
 648       const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
 649       // Property system did not set the font so should update it.
 650       mController->UpdateAfterFontChange(newFont);
 651       RelayoutRequest();
 652       break;
 653     }
 654
 655     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
 656     {
 657       GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
 658       RelayoutRequest();
 659       break;
 660     }
 661     case StyleChange::THEME_CHANGE:
 662     {
 663       // Nothing to do, let control base class handle this
 664       break;
 665     }
 666   }
 667
 668   // Up call to Control
 669   Control::OnStyleChange(styleManager, change);
 670 }
 671
 672 Vector3 TextEditor::GetNaturalSize()
 673 {
 674   Extents padding;
 675   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 676
 677   Vector3 naturalSize = mController->GetNaturalSize();
 678   naturalSize.width += (padding.start + padding.end);
 679   naturalSize.height += (padding.top + padding.bottom);
 680
 681   return naturalSize;
 682 }
 683
 684 float TextEditor::GetHeightForWidth(float width)
 685 {
 686   Extents padding;
 687   padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 688   return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
 689 }
 690
 691 void TextEditor::ResizeActor(Actor& actor, const Vector2& size)
 692 {
 693   if(actor.GetProperty<Vector3>(Dali::Actor::Property::SIZE).GetVectorXY() != size)
 694   {
 695     actor.SetProperty(Actor::Property::SIZE, size);
 696   }
 697 }
 698
 699 void TextEditor::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
 700 {
 701   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnPropertySet index[%d]\n", index);
 702
 703   switch(index)
 704   {
 705     case DevelActor::Property::USER_INTERACTION_ENABLED:
 706     {
 707       const bool enabled = propertyValue.Get<bool>();
 708       mController->SetUserInteractionEnabled(enabled);
 709       if(mStencil)
 710       {
 711         float opacity = enabled ? 1.0f : mController->GetDisabledColorOpacity();
 712         mStencil.SetProperty(Actor::Property::OPACITY, opacity);
 713       }
 714       break;
 715     }
 716     default:
 717     {
 718       Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
 719       break;
 720     }
 721   }
 722 }
 723
 724 void TextEditor::OnRelayout(const Vector2& size, RelayoutContainer& container)
 725 {
 726   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor OnRelayout\n");
 727
 728   Actor self = Self();
 729
 730   Extents padding;
 731   padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 732
 733   Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
 734
 735   // Support Right-To-Left of padding
 736   Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
 737
 738   if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
 739   {
 740     std::swap(padding.start, padding.end);
 741   }
 742
 743   if(mStencil)
 744   {
 745     mStencil.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 746     ResizeActor(mStencil, contentSize);
 747   }
 748   if(mActiveLayer)
 749   {
 750     mActiveLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 751     ResizeActor(mActiveLayer, contentSize);
 752   }
 753   if(mCursorLayer)
 754   {
 755     mCursorLayer.SetProperty(Actor::Property::POSITION, Vector2(padding.start, padding.top));
 756     ResizeActor(mCursorLayer, contentSize);
 757   }
 758
 759   // If there is text changed, callback is called.
 760   if(mTextChanged)
 761   {
 762     EmitTextChangedSignal();
 763   }
 764
 765   const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
 766
 767   if((Text::Controller::NONE_UPDATED != updateTextType) ||
 768      !mRenderer)
 769   {
 770     DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnRelayout %p Displaying new contents\n", mController.Get());
 771
 772     if(mDecorator &&
 773        (Text::Controller::NONE_UPDATED != (Text::Controller::DECORATOR_UPDATED & updateTextType)))
 774     {
 775       mDecorator->Relayout(contentSize);
 776     }
 777
 778     if(!mRenderer)
 779     {
 780       mRenderer = Backend::Get().NewRenderer(mRenderingBackend);
 781     }
 782
 783     RenderText(updateTextType);
 784   }
 785
 786   if(mCursorPositionChanged)
 787   {
 788     EmitCursorPositionChangedSignal();
 789   }
 790
 791   if(mSelectionStarted)
 792   {
 793     EmitSelectionStartedSignal();
 794   }
 795
 796   if(mSelectionChanged)
 797   {
 798     EmitSelectionChangedSignal();
 799   }
 800
 801   if(mSelectionCleared)
 802   {
 803     EmitSelectionClearedSignal();
 804   }
 805
 806   // The text-editor emits signals when the input style changes. These changes of style are
 807   // detected during the relayout process (size negotiation), i.e after the cursor has been moved. Signals
 808   // can't be emitted during the size negotiation as the callbacks may update the UI.
 809   // The text-editor adds an idle callback to the adaptor to emit the signals after the size negotiation.
 810   if(!mController->IsInputStyleChangedSignalsQueueEmpty())
 811   {
 812     if(Adaptor::IsAvailable())
 813     {
 814       Adaptor& adaptor = Adaptor::Get();
 815
 816       if(NULL == mIdleCallback)
 817       {
 818         // @note: The callback manager takes the ownership of the callback object.
 819         mIdleCallback = MakeCallback(this, &TextEditor::OnIdleSignal);
 820         adaptor.AddIdle(mIdleCallback, false);
 821       }
 822     }
 823   }
 824 }
 825
 826 void TextEditor::RenderText(Text::Controller::UpdateTextType updateTextType)
 827 {
 828   CommonTextUtils::RenderText(Self(), mRenderer, mController, mDecorator, mAlignmentOffset, mRenderableActor, mBackgroundActor, mCursorLayer, mStencil, mClippingDecorationActors, mAnchorActors, updateTextType);
 829   if(mRenderableActor)
 830   {
 831     ApplyScrollPosition();
 832   }
 833   UpdateScrollBar();
 834 }
 835
 836 void TextEditor::OnKeyInputFocusGained()
 837 {
 838   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyInputFocusGained %p\n", mController.Get());
 839   if(mInputMethodContext && IsEditable())
 840   {
 841     // All input panel properties, such as layout, return key type, and input hint, should be set before input panel activates (or shows).
 842     mInputMethodContext.ApplyOptions(mInputMethodOptions);
 843     mInputMethodContext.NotifyTextInputMultiLine(true);
 844
 845     mInputMethodContext.StatusChangedSignal().Connect(this, &TextEditor::KeyboardStatusChanged);
 846
 847     mInputMethodContext.EventReceivedSignal().Connect(this, &TextEditor::OnInputMethodContextEvent);
 848
 849     // Notify that the text editing start.
 850     mInputMethodContext.Activate();
 851
 852     // When window gain lost focus, the InputMethodContext is deactivated. Thus when window gain focus again, the InputMethodContext must be activated.
 853     mInputMethodContext.SetRestoreAfterFocusLost(true);
 854   }
 855   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 856
 857   if(notifier)
 858   {
 859     notifier.ContentSelectedSignal().Connect(this, &TextEditor::OnClipboardTextSelected);
 860   }
 861
 862   if(IsEditable() && mController->IsUserInteractionEnabled())
 863   {
 864     mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 865   }
 866
 867   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 868 }
 869
 870 void TextEditor::OnKeyInputFocusLost()
 871 {
 872   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor:OnKeyInputFocusLost %p\n", mController.Get());
 873   if(mInputMethodContext)
 874   {
 875     mInputMethodContext.StatusChangedSignal().Disconnect(this, &TextEditor::KeyboardStatusChanged);
 876
 877     // The text editing is finished. Therefore the InputMethodContext don't have restore activation.
 878     mInputMethodContext.SetRestoreAfterFocusLost(false);
 879
 880     // Notify that the text editing finish.
 881     mInputMethodContext.Deactivate();
 882
 883     mInputMethodContext.EventReceivedSignal().Disconnect(this, &TextEditor::OnInputMethodContextEvent);
 884   }
 885   ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
 886
 887   if(notifier)
 888   {
 889     notifier.ContentSelectedSignal().Disconnect(this, &TextEditor::OnClipboardTextSelected);
 890   }
 891
 892   mController->KeyboardFocusLostEvent();
 893
 894   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 895 }
 896
 897 bool TextEditor::OnAccessibilityActivated()
 898 {
 899   SetKeyInputFocus();
 900   return true;
 901 }
 902
 903 void TextEditor::OnTap(const TapGesture& gesture)
 904 {
 905   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnTap %p\n", mController.Get());
 906   if(mInputMethodContext && IsEditable())
 907   {
 908     mInputMethodContext.Activate();
 909   }
 910   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
 911   Extents padding;
 912   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 913   const Vector2& localPoint = gesture.GetLocalPoint();
 914   mController->TapEvent(gesture.GetNumberOfTaps(), localPoint.x - padding.start, localPoint.y - padding.top);
 915   mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
 916
 917   Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 918   if(keyboardFocusManager)
 919   {
 920     keyboardFocusManager.SetCurrentFocusActor(Self());
 921   }
 922   SetKeyInputFocus();
 923 }
 924
 925 void TextEditor::OnPan(const PanGesture& gesture)
 926 {
 927   mController->PanEvent(gesture.GetState(), gesture.GetDisplacement());
 928   if(gesture.GetState() == GestureState::STARTED && !mController->IsScrollable(gesture.GetDisplacement()))
 929   {
 930     Dali::DevelActor::SetNeedGesturePropagation(Self(), true);
 931   }
 932 }
 933
 934 void TextEditor::OnLongPress(const LongPressGesture& gesture)
 935 {
 936   if(mInputMethodContext && IsEditable())
 937   {
 938     mInputMethodContext.Activate();
 939   }
 940   Extents padding;
 941   padding                   = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
 942   const Vector2& localPoint = gesture.GetLocalPoint();
 943   mController->LongPressEvent(gesture.GetState(), localPoint.x - padding.start, localPoint.y - padding.top);
 944
 945   SetKeyInputFocus();
 946 }
 947
 948 bool TextEditor::OnKeyEvent(const KeyEvent& event)
 949 {
 950   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnKeyEvent %p keyCode %d\n", mController.Get(), event.GetKeyCode());
 951
 952   if(Dali::DALI_KEY_ESCAPE == event.GetKeyCode() && mController->ShouldClearFocusOnEscape())
 953   {
 954     // Make sure ClearKeyInputFocus when only key is up
 955     if(event.GetState() == KeyEvent::UP)
 956     {
 957       Dali::Toolkit::KeyboardFocusManager keyboardFocusManager = Dali::Toolkit::KeyboardFocusManager::Get();
 958       if(keyboardFocusManager)
 959       {
 960         keyboardFocusManager.ClearFocus();
 961       }
 962       ClearKeyInputFocus();
 963     }
 964
 965     return true;
 966   }
 967
 968   return mController->KeyEvent(event);
 969 }
 970
 971 void TextEditor::RequestTextRelayout()
 972 {
 973   RelayoutRequest();
 974 }
 975
 976 void TextEditor::TextInserted(unsigned int position, unsigned int length, const std::string& content)
 977 {
 978   GetAccessibleObject()->EmitTextInserted(position, length, content);
 979 }
 980
 981 void TextEditor::TextDeleted(unsigned int position, unsigned int length, const std::string& content)
 982 {
 983   GetAccessibleObject()->EmitTextDeleted(position, length, content);
 984 }
 985
 986 void TextEditor::CursorPositionChanged(unsigned int oldPosition, unsigned int newPosition)
 987 {
 988   GetAccessibleObject()->EmitTextCursorMoved(newPosition);
 989
 990   if((oldPosition != newPosition) && !mCursorPositionChanged)
 991   {
 992     mCursorPositionChanged = true;
 993     mOldPosition           = oldPosition;
 994   }
 995 }
 996
 997 void TextEditor::TextChanged(bool immediate)
 998 {
 999   if(immediate) // Emits TextChangedSignal immediately
1000   {
1001     EmitTextChangedSignal();
1002   }
1003   else
1004   {
1005     mTextChanged = true;
1006   }
1007 }
1008
1009 void TextEditor::EmitTextChangedSignal()
1010 {
1011   Dali::Toolkit::TextEditor handle(GetOwner());
1012   mTextChangedSignal.Emit(handle);
1013   mTextChanged = false;
1014 }
1015
1016 void TextEditor::MaxLengthReached()
1017 {
1018   Dali::Toolkit::TextEditor handle(GetOwner());
1019   mMaxLengthReachedSignal.Emit(handle);
1020 }
1021
1022 void TextEditor::InputStyleChanged(Text::InputStyle::Mask inputStyleMask)
1023 {
1024   Dali::Toolkit::TextEditor handle(GetOwner());
1025   mInputStyleChangedSignal.Emit(handle, ConvertInputStyle(inputStyleMask));
1026 }
1027
1028 void TextEditor::AnchorClicked(const std::string& href)
1029 {
1030   Dali::Toolkit::TextEditor handle(GetOwner());
1031   mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
1032 }
1033
1034 void TextEditor::EmitCursorPositionChangedSignal()
1035 {
1036   Dali::Toolkit::TextEditor handle(GetOwner());
1037   mCursorPositionChanged = false;
1038   mCursorPositionChangedSignal.Emit(handle, mOldPosition);
1039 }
1040
1041 void TextEditor::InputFiltered(Toolkit::InputFilter::Property::Type type)
1042 {
1043   Dali::Toolkit::TextEditor handle(GetOwner());
1044   mInputFilteredSignal.Emit(handle, type);
1045 }
1046
1047 void TextEditor::EmitSelectionChangedSignal()
1048 {
1049   Dali::Toolkit::TextEditor handle(GetOwner());
1050   mSelectionChangedSignal.Emit(handle, mOldSelectionStart, mOldSelectionEnd);
1051   mSelectionChanged = false;
1052 }
1053
1054 void TextEditor::EmitSelectionClearedSignal()
1055 {
1056   Dali::Toolkit::TextEditor handle(GetOwner());
1057   mSelectionClearedSignal.Emit(handle);
1058   mSelectionCleared = false;
1059 }
1060
1061 void TextEditor::EmitSelectionStartedSignal()
1062 {
1063   Dali::Toolkit::TextEditor handle(GetOwner());
1064   mSelectionStartedSignal.Emit(handle);
1065   mSelectionStarted = false;
1066 }
1067
1068 void TextEditor::SelectionChanged(uint32_t oldStart, uint32_t oldEnd, uint32_t newStart, uint32_t newEnd)
1069 {
1070   if(((oldStart != newStart) || (oldEnd != newEnd)) && !mSelectionChanged)
1071   {
1072     if(newStart == newEnd)
1073     {
1074       mSelectionCleared = true;
1075     }
1076     else
1077     {
1078       if(oldStart == oldEnd)
1079       {
1080         mSelectionStarted = true;
1081       }
1082     }
1083
1084     mSelectionChanged  = true;
1085     mOldSelectionStart = oldStart;
1086     mOldSelectionEnd   = oldEnd;
1087
1088     if(mOldSelectionStart > mOldSelectionEnd)
1089     {
1090       //swap
1091       uint32_t temp      = mOldSelectionStart;
1092       mOldSelectionStart = mOldSelectionEnd;
1093       mOldSelectionEnd   = temp;
1094     }
1095   }
1096 }
1097
1098 void TextEditor::AddDecoration(Actor& actor, DecorationType type, bool needsClipping)
1099 {
1100   if(actor)
1101   {
1102     if(needsClipping)
1103     {
1104       mClippingDecorationActors.push_back(actor);
1105     }
1106
1107     // If the actor is a layer type, add it.
1108     if(type == DecorationType::ACTIVE_LAYER)
1109     {
1110       AddLayer(mActiveLayer, actor);
1111     }
1112     else if(type == DecorationType::CURSOR_LAYER)
1113     {
1114       AddLayer(mCursorLayer, actor);
1115     }
1116   }
1117 }
1118
1119 void TextEditor::AddLayer(Actor& layer, Actor& actor)
1120 {
1121   actor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
1122   actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
1123   Self().Add(actor);
1124   layer = actor;
1125 }
1126
1127 void TextEditor::SetTextSelectionRange(const uint32_t* start, const uint32_t* end)
1128 {
1129   if(mController && mController->IsShowingRealText())
1130   {
1131     mController->SetTextSelectionRange(start, end);
1132     SetKeyInputFocus();
1133   }
1134 }
1135
1136 Uint32Pair TextEditor::GetTextSelectionRange() const
1137 {
1138   Uint32Pair range(0, 0);
1139   if(mController && mController->IsShowingRealText())
1140   {
1141     range = mController->GetTextSelectionRange();
1142   }
1143   return range;
1144 }
1145
1146 void TextEditor::GetControlBackgroundColor(Vector4& color) const
1147 {
1148   Property::Value propValue = Self().GetProperty(Toolkit::Control::Property::BACKGROUND);
1149   Property::Map*  resultMap = propValue.GetMap();
1150
1151   Property::Value* colorValue = nullptr;
1152   if(resultMap && (colorValue = resultMap->Find(ColorVisual::Property::MIX_COLOR)))
1153   {
1154     colorValue->Get(color);
1155   }
1156 }
1157
1158 void TextEditor::UpdateScrollBar()
1159 {
1160   using namespace Dali;
1161
1162   float scrollPosition;
1163   float controlSize;
1164   float layoutSize;
1165   bool  latestScrolled;
1166
1167   if(!mScrollBarEnabled)
1168   {
1169     return;
1170   }
1171   latestScrolled = mController->GetTextScrollInfo(scrollPosition, controlSize, layoutSize);
1172   if(!latestScrolled || controlSize > layoutSize)
1173   {
1174     return;
1175   }
1176
1177   CustomActor self = Self();
1178   if(!mScrollBar)
1179   {
1180     mScrollBar = Toolkit::ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
1181     mScrollBar.SetIndicatorHeightPolicy(Toolkit::ScrollBar::VARIABLE);
1182     mScrollBar.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
1183     mScrollBar.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
1184     mScrollBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT);
1185     mScrollBar.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
1186
1187     // Register the scroll position property
1188     Property::Index propertyScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION, scrollPosition);
1189     // Register the minimum scroll position property
1190     Property::Index propertyMinScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MIN, 0.0f);
1191     // Register the maximum scroll position property
1192     Property::Index propertyMaxScrollPosition = self.RegisterProperty(SCROLL_BAR_POSITION_MAX, (layoutSize - controlSize));
1193     // Register the scroll content size property
1194     Property::Index propertyScrollContentSize = self.RegisterProperty(SCROLL_BAR_CONTENT_SIZE, layoutSize);
1195
1196     mScrollBar.SetScrollPropertySource(self, propertyScrollPosition, propertyMinScrollPosition, propertyMaxScrollPosition, propertyScrollContentSize);
1197
1198     // Set style name of ScrollBar for styling
1199     mScrollBar.SetStyleName("TextEditorScrollBar");
1200     Toolkit::Control scrollIndicator = Toolkit::Control::DownCast(mScrollBar.GetScrollIndicator());
1201     if(scrollIndicator)
1202     {
1203       // Set style name of ScrollBarIndicator for styling
1204       scrollIndicator.SetStyleName("TextEditorScrollBarIndicator");
1205     }
1206
1207     self.Add(mScrollBar);
1208   }
1209   else
1210   {
1211     Property::Index propertyScrollPosition    = self.GetPropertyIndex(SCROLL_BAR_POSITION);
1212     Property::Index propertyMaxScrollPosition = self.GetPropertyIndex(SCROLL_BAR_POSITION_MAX);
1213     Property::Index propertyScrollContentSize = self.GetPropertyIndex(SCROLL_BAR_CONTENT_SIZE);
1214
1215     self.SetProperty(propertyScrollPosition, scrollPosition);
1216     self.SetProperty(propertyMaxScrollPosition, (layoutSize - controlSize));
1217     self.SetProperty(propertyScrollContentSize, layoutSize);
1218   }
1219
1220   // If scrolling is not started, start scrolling and emit ScrollStateChangedSignal
1221   if(!mScrollStarted)
1222   {
1223     mScrollStarted = true;
1224     Dali::Toolkit::TextEditor handle(GetOwner());
1225     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::STARTED);
1226   }
1227
1228   Actor indicator = mScrollBar.GetScrollIndicator();
1229   if(mAnimation)
1230   {
1231     mAnimation.Stop(); // Cancel any animation
1232   }
1233   else
1234   {
1235     mAnimation = Animation::New(mAnimationPeriod.durationSeconds);
1236   }
1237   indicator.SetProperty(Actor::Property::OPACITY, 1.0f);
1238   mAnimation.AnimateTo(Property(indicator, Actor::Property::COLOR_ALPHA), 0.0f, AlphaFunction::EASE_IN, mAnimationPeriod);
1239   mAnimation.Play();
1240   mAnimation.FinishedSignal().Connect(this, &TextEditor::OnScrollIndicatorAnimationFinished);
1241 }
1242
1243 void TextEditor::OnScrollIndicatorAnimationFinished(Animation& animation)
1244 {
1245   // If animation is successfully ended, then emit ScrollStateChangedSignal
1246   if(Dali::EqualsZero(animation.GetCurrentProgress()))
1247   {
1248     mScrollStarted = false;
1249     Dali::Toolkit::TextEditor handle(GetOwner());
1250     mScrollStateChangedSignal.Emit(handle, Toolkit::TextEditor::Scroll::FINISHED);
1251   }
1252 }
1253
1254 void TextEditor::OnSceneConnect(Dali::Actor actor)
1255 {
1256   if(mHasBeenStaged)
1257   {
1258     RenderText(static_cast<Text::Controller::UpdateTextType>(Text::Controller::MODEL_UPDATED | Text::Controller::DECORATOR_UPDATED));
1259   }
1260   else
1261   {
1262     mHasBeenStaged = true;
1263   }
1264 }
1265
1266 InputMethodContext::CallbackData TextEditor::OnInputMethodContextEvent(Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
1267 {
1268   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName);
1269   return mController->OnInputMethodContextEvent(inputMethodContext, inputMethodContextEvent);
1270 }
1271
1272 void TextEditor::GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType)
1273 {
1274   if(mDecorator)
1275   {
1276     Property::Map map;
1277     map[TextEditor::PropertyHandler::IMAGE_MAP_FILENAME_STRING] = mDecorator->GetHandleImage(handleType, handleImageType);
1278
1279     value = map;
1280   }
1281 }
1282
1283 void TextEditor::OnClipboardTextSelected(ClipboardEventNotifier& clipboard)
1284 {
1285   mController->PasteClipboardItemEvent();
1286 }
1287
1288 void TextEditor::KeyboardStatusChanged(bool keyboardShown)
1289 {
1290   DALI_LOG_INFO(gTextEditorLogFilter, Debug::Verbose, "TextEditor::KeyboardStatusChanged %p keyboardShown %d\n", mController.Get(), keyboardShown);
1291
1292   // Just hide the grab handle when keyboard is hidden.
1293   if(!keyboardShown)
1294   {
1295     mController->KeyboardFocusLostEvent();
1296   }
1297   else
1298   {
1299     mController->KeyboardFocusGainEvent(); // Initially called by OnKeyInputFocusGained
1300   }
1301 }
1302
1303 void TextEditor::OnSceneConnection(int depth)
1304 {
1305   // Sets the depth to the visuals inside the text's decorator.
1306   mDecorator->SetTextDepth(depth);
1307
1308   // The depth of the text renderer is set in the RenderText() called from OnRelayout().
1309
1310   // Call the Control::OnSceneConnection() to set the depth of the background.
1311   Control::OnSceneConnection(depth);
1312 }
1313
1314 bool TextEditor::OnTouched(Actor actor, const TouchEvent& touch)
1315 {
1316   return false;
1317 }
1318
1319 void TextEditor::OnIdleSignal()
1320 {
1321   // Emits the change of input style signals.
1322   mController->ProcessInputStyleChangedSignals();
1323
1324   // Set the pointer to null as the callback manager deletes the callback after execute it.
1325   mIdleCallback = NULL;
1326 }
1327
1328 void TextEditor::ApplyScrollPosition()
1329 {
1330   const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
1331   float          scrollAmount = 0.0f;
1332
1333   if(mScrollAnimationEnabled)
1334   {
1335     scrollAmount = mController->GetScrollAmountByUserInput();
1336   }
1337   if(mTextVerticalScroller)
1338   {
1339     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1340   }
1341   else if(Equals(scrollAmount, 0.0f, Math::MACHINE_EPSILON_1))
1342   {
1343     mRenderableActor.SetProperty(Actor::Property::POSITION, Vector2(scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount));
1344   }
1345   else
1346   {
1347     mTextVerticalScroller = Text::TextVerticalScroller::New();
1348     if(!Equals(mScrollAnimationDuration, 0.0f, Math::MACHINE_EPSILON_1))
1349     {
1350       mTextVerticalScroller->SetDuration(mScrollAnimationDuration);
1351     }
1352     mTextVerticalScroller->CheckStartAnimation(mRenderableActor, scrollOffset.x + mAlignmentOffset, scrollOffset.y - scrollAmount, scrollAmount);
1353   }
1354 }
1355
1356 bool TextEditor::IsEditable() const
1357 {
1358   return mController->IsEditable();
1359 }
1360
1361 void TextEditor::SetEditable(bool editable)
1362 {
1363   mController->SetEditable(editable);
1364   if(mInputMethodContext && !editable)
1365   {
1366     mInputMethodContext.Deactivate();
1367   }
1368 }
1369
1370 void TextEditor::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1371 {
1372   mController->ChangedLayoutDirection();
1373 }
1374
1375 TextEditor::TextEditor(ControlBehaviour additionalBehaviour)
1376 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT | additionalBehaviour)),
1377   mAnimationPeriod(0.0f, 0.0f),
1378   mIdleCallback(NULL),
1379   mAlignmentOffset(0.f),
1380   mScrollAnimationDuration(0.f),
1381   mLineSpacing(0.f),
1382   mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1383   mHasBeenStaged(false),
1384   mScrollAnimationEnabled(false),
1385   mScrollBarEnabled(false),
1386   mScrollStarted(false),
1387   mTextChanged(false),
1388   mCursorPositionChanged(false),
1389   mSelectionChanged(false),
1390   mSelectionCleared(false),
1391   mOldPosition(0u),
1392   mOldSelectionStart(0u),
1393   mOldSelectionEnd(0u),
1394   mSelectionStarted(false)
1395 {
1396 }
1397
1398 TextEditor::~TextEditor()
1399 {
1400   UnparentAndReset(mStencil);
1401
1402   if((NULL != mIdleCallback) && Adaptor::IsAvailable())
1403   {
1404     // Removes the callback from the callback manager in case the text-editor is destroyed before the callback is executed.
1405     Adaptor::Get().RemoveIdle(mIdleCallback);
1406   }
1407 }
1408
1409 std::string TextEditor::TextEditorAccessible::GetName() const
1410 {
1411   return GetWholeText();
1412 }
1413
1414 const std::vector<Toolkit::TextAnchor>& TextEditor::TextEditorAccessible::GetTextAnchors() const
1415 {
1416   auto self = Toolkit::TextEditor::DownCast(Self());
1417
1418   return Toolkit::GetImpl(self).mAnchorActors;
1419 }
1420
1421 Toolkit::Text::ControllerPtr TextEditor::TextEditorAccessible::GetTextController() const
1422 {
1423   auto self = Toolkit::TextEditor::DownCast(Self());
1424
1425   return Toolkit::GetImpl(self).GetTextController();
1426 }
1427
1428 void TextEditor::TextEditorAccessible::RequestTextRelayout()
1429 {
1430   auto  self     = Toolkit::TextEditor::DownCast(Self());
1431   auto& selfImpl = Toolkit::GetImpl(self);
1432
1433   selfImpl.RequestTextRelayout();
1434 }
1435
1436 } // namespace Internal
1437
1438 } // namespace Toolkit
1439
1440 } // namespace Dali