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

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