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

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