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