2 * Copyright (c) 2022 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <dali-toolkit/internal/controls/text-controls/text-label-impl.h>
22 #include <dali/devel-api/actors/actor-devel.h>
23 #include <dali/devel-api/adaptor-framework/image-loading.h>
24 #include <dali/devel-api/common/stage.h>
25 #include <dali/devel-api/object/property-helper-devel.h>
26 #include <dali/integration-api/debug.h>
27 #include <dali/public-api/common/dali-common.h>
28 #include <dali/public-api/object/type-registry-helper.h>
31 #include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
32 #include <dali-toolkit/devel-api/text/rendering-backend.h>
33 #include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
34 #include <dali-toolkit/internal/styling/style-manager-impl.h>
35 #include <dali-toolkit/internal/text/property-string-parser.h>
36 #include <dali-toolkit/internal/text/rendering/text-backend.h>
37 #include <dali-toolkit/internal/text/text-definitions.h>
38 #include <dali-toolkit/internal/text/text-effects-style.h>
39 #include <dali-toolkit/internal/text/text-font-style.h>
40 #include <dali-toolkit/internal/text/text-view.h>
41 #include <dali-toolkit/public-api/text/text-enumerations.h>
43 #include <dali-toolkit/devel-api/controls/control-devel.h>
44 #include <dali-toolkit/devel-api/visual-factory/visual-base.h>
45 #include <dali-toolkit/devel-api/visual-factory/visual-factory.h>
46 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
47 #include <dali-toolkit/public-api/align-enumerations.h>
48 #include <dali-toolkit/public-api/visuals/text-visual-properties.h>
49 #include <dali-toolkit/public-api/visuals/visual-properties.h>
52 #include <dali-toolkit/devel-api/controls/text-controls/text-label-devel.h>
54 using namespace Dali::Toolkit::Text;
64 const unsigned int DEFAULT_RENDERING_BACKEND = Dali::Toolkit::DevelText::DEFAULT_RENDERING_BACKEND;
67 * @brief How the text visual should be aligned vertically inside the control.
69 * 0.0f aligns the text to the top, 0.5f aligns the text to the center, 1.0f aligns the text to the bottom.
70 * The alignment depends on the alignment value of the text label (Use Text::VerticalAlignment enumerations).
72 const float VERTICAL_ALIGNMENT_TABLE[Text::VerticalAlignment::BOTTOM + 1] =
74 0.0f, // VerticalAlignment::TOP
75 0.5f, // VerticalAlignment::CENTER
76 1.0f // VerticalAlignment::BOTTOM
79 const std::string TEXT_FIT_ENABLE_KEY("enable");
80 const std::string TEXT_FIT_MIN_SIZE_KEY("minSize");
81 const std::string TEXT_FIT_MAX_SIZE_KEY("maxSize");
82 const std::string TEXT_FIT_STEP_SIZE_KEY("stepSize");
83 const std::string TEXT_FIT_FONT_SIZE_KEY("fontSize");
84 const std::string TEXT_FIT_FONT_SIZE_TYPE_KEY("fontSizeType");
86 #if defined(DEBUG_ENABLED)
87 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
90 const Scripting::StringEnum AUTO_SCROLL_STOP_MODE_TABLE[] =
92 {"IMMEDIATE", Toolkit::TextLabel::AutoScrollStopMode::IMMEDIATE},
93 {"FINISH_LOOP", Toolkit::TextLabel::AutoScrollStopMode::FINISH_LOOP},
95 const unsigned int AUTO_SCROLL_STOP_MODE_TABLE_COUNT = sizeof(AUTO_SCROLL_STOP_MODE_TABLE) / sizeof(AUTO_SCROLL_STOP_MODE_TABLE[0]);
100 return Toolkit::TextLabel::New();
104 // Setup properties, signals and actions using the type-registry.
105 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::TextLabel, Toolkit::Control, Create);
107 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "text", STRING, TEXT )
108 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "fontFamily", STRING, FONT_FAMILY )
109 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "fontStyle", MAP, FONT_STYLE )
110 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "pointSize", FLOAT, POINT_SIZE )
111 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "multiLine", BOOLEAN, MULTI_LINE )
112 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "horizontalAlignment", STRING, HORIZONTAL_ALIGNMENT )
113 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "verticalAlignment", STRING, VERTICAL_ALIGNMENT )
114 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "enableMarkup", BOOLEAN, ENABLE_MARKUP )
115 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "enableAutoScroll", BOOLEAN, ENABLE_AUTO_SCROLL )
116 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "autoScrollSpeed", INTEGER, AUTO_SCROLL_SPEED )
117 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "autoScrollLoopCount", INTEGER, AUTO_SCROLL_LOOP_COUNT )
118 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "autoScrollGap", FLOAT, AUTO_SCROLL_GAP )
119 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "lineSpacing", FLOAT, LINE_SPACING )
120 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "underline", MAP, UNDERLINE )
121 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "shadow", MAP, SHADOW )
122 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "emboss", MAP, EMBOSS )
123 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "outline", MAP, OUTLINE )
124 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "pixelSize", FLOAT, PIXEL_SIZE )
125 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "ellipsis", BOOLEAN, ELLIPSIS )
126 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "autoScrollLoopDelay", FLOAT, AUTO_SCROLL_LOOP_DELAY )
127 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "autoScrollStopMode", STRING, AUTO_SCROLL_STOP_MODE )
128 DALI_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextLabel, "lineCount", INTEGER, LINE_COUNT )
129 DALI_PROPERTY_REGISTRATION(Toolkit, TextLabel, "lineWrapMode", INTEGER, LINE_WRAP_MODE )
130 DALI_DEVEL_PROPERTY_REGISTRATION_READ_ONLY(Toolkit, TextLabel, "textDirection", INTEGER, TEXT_DIRECTION )
131 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "verticalLineAlignment", INTEGER, VERTICAL_LINE_ALIGNMENT )
132 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "textBackground", MAP, BACKGROUND )
133 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "ignoreSpacesAfterText", BOOLEAN, IGNORE_SPACES_AFTER_TEXT )
134 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "matchSystemLanguageDirection", BOOLEAN, MATCH_SYSTEM_LANGUAGE_DIRECTION)
135 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "textFit", MAP, TEXT_FIT )
136 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "minLineSize", FLOAT, MIN_LINE_SIZE )
137 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "renderingBackend", INTEGER, RENDERING_BACKEND )
138 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "fontSizeScale", FLOAT, FONT_SIZE_SCALE )
139 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "enableFontSizeScale", BOOLEAN, ENABLE_FONT_SIZE_SCALE )
140 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "ellipsisPosition", INTEGER, ELLIPSIS_POSITION )
141 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "strikethrough", MAP, STRIKETHROUGH )
142 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "characterSpacing", FLOAT, CHARACTER_SPACING )
143 DALI_DEVEL_PROPERTY_REGISTRATION(Toolkit, TextLabel, "relativeLineSize", FLOAT, RELATIVE_LINE_SIZE )
145 DALI_ANIMATABLE_PROPERTY_REGISTRATION_WITH_DEFAULT(Toolkit, TextLabel, "textColor", Color::BLACK, TEXT_COLOR )
146 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION(Toolkit, TextLabel, "textColorRed", TEXT_COLOR_RED, TEXT_COLOR, 0)
147 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION(Toolkit, TextLabel, "textColorGreen", TEXT_COLOR_GREEN, TEXT_COLOR, 1)
148 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION(Toolkit, TextLabel, "textColorBlue", TEXT_COLOR_BLUE, TEXT_COLOR, 2)
149 DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION(Toolkit, TextLabel, "textColorAlpha", TEXT_COLOR_ALPHA, TEXT_COLOR, 3)
151 DALI_SIGNAL_REGISTRATION(Toolkit, TextLabel, "anchorClicked", SIGNAL_ANCHOR_CLICKED)
152 DALI_SIGNAL_REGISTRATION(Toolkit, TextLabel, "textFitChanged", SIGNAL_TEXT_FIT_CHANGED)
154 DALI_TYPE_REGISTRATION_END()
157 /// Parses the property map for the TEXT_FIT property
158 void ParseTextFitProperty(Text::ControllerPtr& controller, const Property::Map* propertiesMap)
160 if(propertiesMap && !propertiesMap->Empty())
162 bool enabled = false;
165 float stepSize = 0.f;
166 bool isMinSizeSet = false, isMaxSizeSet = false, isStepSizeSet = false;
167 Controller::FontSizeType type = Controller::FontSizeType::POINT_SIZE;
169 const unsigned int numberOfItems = propertiesMap->Count();
171 // Parses and applies
172 for(unsigned int index = 0u; index < numberOfItems; ++index)
174 const KeyValuePair& valueGet = propertiesMap->GetKeyValue(index);
176 if((Controller::TextFitInfo::Property::TEXT_FIT_ENABLE == valueGet.first.indexKey) || (TEXT_FIT_ENABLE_KEY == valueGet.first.stringKey))
179 enabled = valueGet.second.Get<bool>();
181 else if((Controller::TextFitInfo::Property::TEXT_FIT_MIN_SIZE == valueGet.first.indexKey) || (TEXT_FIT_MIN_SIZE_KEY == valueGet.first.stringKey))
184 minSize = valueGet.second.Get<float>();
187 else if((Controller::TextFitInfo::Property::TEXT_FIT_MAX_SIZE == valueGet.first.indexKey) || (TEXT_FIT_MAX_SIZE_KEY == valueGet.first.stringKey))
190 maxSize = valueGet.second.Get<float>();
193 else if((Controller::TextFitInfo::Property::TEXT_FIT_STEP_SIZE == valueGet.first.indexKey) || (TEXT_FIT_STEP_SIZE_KEY == valueGet.first.stringKey))
196 stepSize = valueGet.second.Get<float>();
197 isStepSizeSet = true;
199 else if((Controller::TextFitInfo::Property::TEXT_FIT_FONT_SIZE_TYPE == valueGet.first.indexKey) || (TEXT_FIT_FONT_SIZE_TYPE_KEY == valueGet.first.stringKey))
201 if("pixelSize" == valueGet.second.Get<std::string>())
203 type = Controller::FontSizeType::PIXEL_SIZE;
208 controller->SetTextFitEnabled(enabled);
211 controller->SetTextFitMinSize(minSize, type);
215 controller->SetTextFitMaxSize(maxSize, type);
219 controller->SetTextFitStepSize(stepSize, type);
226 Toolkit::TextLabel TextLabel::New(ControlBehaviour additionalBehaviour)
228 // Create the implementation, temporarily owned by this handle on stack
229 IntrusivePtr<TextLabel> impl = new TextLabel(additionalBehaviour);
231 // Pass ownership to CustomActor handle
232 Toolkit::TextLabel handle(*impl);
234 // Second-phase init of the implementation
235 // This can only be done after the CustomActor connection has been made...
241 void TextLabel::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
243 Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(Dali::BaseHandle(object));
247 TextLabel& impl(GetImpl(label));
248 DALI_ASSERT_ALWAYS(impl.mController && "No text contoller");
252 case Toolkit::DevelTextLabel::Property::RENDERING_BACKEND:
254 int backend = value.Get<int>();
256 #ifndef ENABLE_VECTOR_BASED_TEXT_RENDERING
257 if(DevelText::RENDERING_VECTOR_BASED == backend)
259 backend = TextAbstraction::BITMAP_GLYPH; // Fallback to bitmap-based rendering
262 if(impl.mRenderingBackend != backend)
264 impl.mRenderingBackend = backend;
265 impl.mTextUpdateNeeded = true;
267 // When using the vector-based rendering, the size of the GLyphs are different
268 TextAbstraction::GlyphType glyphType = (DevelText::RENDERING_VECTOR_BASED == impl.mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
269 impl.mController->SetGlyphType(glyphType);
273 case Toolkit::TextLabel::Property::TEXT:
275 impl.mController->SetText(value.Get<std::string>());
277 if(impl.mController->HasAnchors())
279 // Forward input events to controller
280 impl.EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
284 impl.DisableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
289 case Toolkit::TextLabel::Property::FONT_FAMILY:
291 const std::string& fontFamily = value.Get<std::string>();
293 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::SetProperty Property::FONT_FAMILY newFont(%s)\n", fontFamily.c_str());
294 impl.mController->SetDefaultFontFamily(fontFamily);
297 case Toolkit::TextLabel::Property::FONT_STYLE:
299 SetFontStyleProperty(impl.mController, value, Text::FontStyle::DEFAULT);
302 case Toolkit::TextLabel::Property::POINT_SIZE:
304 const float pointSize = value.Get<float>();
306 if(!Equals(impl.mController->GetDefaultFontSize(Text::Controller::POINT_SIZE), pointSize))
308 impl.mController->SetDefaultFontSize(pointSize, Text::Controller::POINT_SIZE);
312 case Toolkit::TextLabel::Property::MULTI_LINE:
314 impl.mController->SetMultiLineEnabled(value.Get<bool>());
317 case Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT:
319 Text::HorizontalAlignment::Type alignment(static_cast<Text::HorizontalAlignment::Type>(-1)); // Set to invalid value to ensure a valid mode does get set
320 if(Text::GetHorizontalAlignmentEnumeration(value, alignment))
322 impl.mController->SetHorizontalAlignment(alignment);
326 case Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT:
328 Toolkit::Text::VerticalAlignment::Type alignment(static_cast<Text::VerticalAlignment::Type>(-1)); // Set to invalid value to ensure a valid mode does get set
329 if(Text::GetVerticalAlignmentEnumeration(value, alignment))
331 impl.mController->SetVerticalAlignment(alignment);
335 case Toolkit::TextLabel::Property::ENABLE_MARKUP:
337 const bool enableMarkup = value.Get<bool>();
338 impl.mController->SetMarkupProcessorEnabled(enableMarkup);
340 if(impl.mController->HasAnchors())
342 // Forward input events to controller
343 impl.EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
347 impl.DisableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
351 case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
353 const bool enableAutoScroll = value.Get<bool>();
354 // If request to auto scroll is the same as current state then do nothing.
355 if(enableAutoScroll != impl.mController->IsAutoScrollEnabled())
357 // If request is disable (false) and auto scrolling is enabled then need to stop it
358 if(enableAutoScroll == false)
360 if(impl.mTextScroller)
362 impl.mTextScroller->StopScrolling();
365 // If request is enable (true) then start autoscroll as not already running
368 impl.mController->SetAutoScrollEnabled(enableAutoScroll);
373 case Toolkit::TextLabel::Property::AUTO_SCROLL_STOP_MODE:
375 Text::TextScrollerPtr textScroller = impl.GetTextScroller();
376 Toolkit::TextLabel::AutoScrollStopMode::Type stopMode = textScroller->GetStopMode();
377 if(Scripting::GetEnumerationProperty<Toolkit::TextLabel::AutoScrollStopMode::Type>(value,
378 AUTO_SCROLL_STOP_MODE_TABLE,
379 AUTO_SCROLL_STOP_MODE_TABLE_COUNT,
382 textScroller->SetStopMode(stopMode);
386 case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
388 impl.GetTextScroller()->SetSpeed(value.Get<int>());
391 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
393 impl.GetTextScroller()->SetLoopCount(value.Get<int>());
396 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
398 impl.GetTextScroller()->SetLoopDelay(value.Get<float>());
401 case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
403 impl.GetTextScroller()->SetGap(value.Get<float>());
406 case Toolkit::TextLabel::Property::LINE_SPACING:
408 const float lineSpacing = value.Get<float>();
409 impl.mTextUpdateNeeded = impl.mController->SetDefaultLineSpacing(lineSpacing) || impl.mTextUpdateNeeded;
412 case Toolkit::TextLabel::Property::UNDERLINE:
414 impl.mTextUpdateNeeded = SetUnderlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
417 case Toolkit::TextLabel::Property::SHADOW:
419 impl.mTextUpdateNeeded = SetShadowProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
422 case Toolkit::TextLabel::Property::EMBOSS:
424 impl.mTextUpdateNeeded = SetEmbossProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
427 case Toolkit::TextLabel::Property::OUTLINE:
429 impl.mTextUpdateNeeded = SetOutlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
432 case Toolkit::TextLabel::Property::PIXEL_SIZE:
434 const float pixelSize = value.Get<float>();
435 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p PIXEL_SIZE %f\n", impl.mController.Get(), pixelSize);
437 if(!Equals(impl.mController->GetDefaultFontSize(Text::Controller::PIXEL_SIZE), pixelSize))
439 impl.mController->SetDefaultFontSize(pixelSize, Text::Controller::PIXEL_SIZE);
443 case Toolkit::TextLabel::Property::ELLIPSIS:
445 const bool ellipsis = value.Get<bool>();
446 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p ELLIPSIS %d\n", impl.mController.Get(), ellipsis);
448 impl.mController->SetTextElideEnabled(ellipsis);
451 case Toolkit::TextLabel::Property::LINE_WRAP_MODE:
453 Text::LineWrap::Mode lineWrapMode(static_cast<Text::LineWrap::Mode>(-1)); // Set to invalid value to ensure a valid mode does get set
454 if(GetLineWrapModeEnumeration(value, lineWrapMode))
456 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p LineWrap::MODE %d\n", impl.mController.Get(), lineWrapMode);
457 impl.mController->SetLineWrapMode(lineWrapMode);
461 case Toolkit::DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT:
463 if(impl.mController->GetTextModel())
465 DevelText::VerticalLineAlignment::Type alignment = static_cast<DevelText::VerticalLineAlignment::Type>(value.Get<int>());
467 impl.mController->SetVerticalLineAlignment(alignment);
469 // Property doesn't affect the layout, only Visual must be updated
470 TextVisual::EnableRendererUpdate(impl.mVisual);
472 // No need to trigger full re-layout. Instead call UpdateRenderer() directly
473 TextVisual::UpdateRenderer(impl.mVisual);
477 case Toolkit::DevelTextLabel::Property::BACKGROUND:
479 impl.mTextUpdateNeeded = SetBackgroundProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
482 case Toolkit::DevelTextLabel::Property::IGNORE_SPACES_AFTER_TEXT:
484 impl.mController->SetIgnoreSpacesAfterText(value.Get<bool>());
487 case Toolkit::DevelTextLabel::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
489 impl.mController->SetMatchLayoutDirection(value.Get<bool>() ? DevelText::MatchLayoutDirection::LOCALE : DevelText::MatchLayoutDirection::CONTENTS);
492 case Toolkit::DevelTextLabel::Property::TEXT_FIT:
494 ParseTextFitProperty(impl.mController, value.GetMap());
495 impl.mController->SetTextFitChanged(true);
498 case Toolkit::DevelTextLabel::Property::MIN_LINE_SIZE:
500 const float lineSize = value.Get<float>();
501 impl.mTextUpdateNeeded = impl.mController->SetDefaultLineSize(lineSize) || impl.mTextUpdateNeeded;
504 case Toolkit::DevelTextLabel::Property::FONT_SIZE_SCALE:
506 const float scale = value.Get<float>();
507 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p FONT_SIZE_SCALE %f\n", impl.mController.Get(), scale);
509 if(!Equals(impl.mController->GetFontSizeScale(), scale))
511 impl.mController->SetFontSizeScale(scale);
515 case Toolkit::DevelTextLabel::Property::ENABLE_FONT_SIZE_SCALE:
517 const bool enableFontSizeScale = value.Get<bool>();
518 if(!Equals(impl.mController->IsFontSizeScaleEnabled(), enableFontSizeScale))
520 impl.mController->SetFontSizeScaleEnabled(enableFontSizeScale);
524 case Toolkit::DevelTextLabel::Property::ELLIPSIS_POSITION:
526 DevelText::EllipsisPosition::Type ellipsisPositionType(static_cast<DevelText::EllipsisPosition::Type>(-1)); // Set to invalid value to ensure a valid mode does get set
527 if(GetEllipsisPositionTypeEnumeration(value, ellipsisPositionType))
529 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p EllipsisPosition::Type %d\n", impl.mController.Get(), ellipsisPositionType);
530 impl.mController->SetEllipsisPosition(ellipsisPositionType);
534 case Toolkit::DevelTextLabel::Property::STRIKETHROUGH:
536 impl.mTextUpdateNeeded = SetStrikethroughProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
539 case Toolkit::DevelTextLabel::Property::CHARACTER_SPACING:
541 const float characterSpacing = value.Get<float>();
542 impl.mController->SetCharacterSpacing(characterSpacing);
545 case Toolkit::DevelTextLabel::Property::RELATIVE_LINE_SIZE:
547 const float relativeLineSize = value.Get<float>();
548 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel %p RELATIVE_LINE_SIZE %f\n", impl.mController.Get(), relativeLineSize);
550 impl.mController->SetRelativeLineSize(relativeLineSize);
555 // Request relayout when text update is needed. It's necessary to call it
556 // as changing the property not via UI interaction brings no effect if only
557 // the mTextUpdateNeeded is changed.
558 if(impl.mTextUpdateNeeded)
560 // need to request relayout as size of text may have changed
561 impl.RequestTextRelayout();
566 Text::ControllerPtr TextLabel::GetTextController()
571 Property::Value TextLabel::GetProperty(BaseObject* object, Property::Index index)
573 Property::Value value;
575 Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(Dali::BaseHandle(object));
579 TextLabel& impl(GetImpl(label));
580 DALI_ASSERT_DEBUG(impl.mController && "No text contoller");
584 case Toolkit::DevelTextLabel::Property::RENDERING_BACKEND:
586 value = impl.mRenderingBackend;
589 case Toolkit::TextLabel::Property::TEXT:
592 impl.mController->GetText(text);
596 case Toolkit::TextLabel::Property::FONT_FAMILY:
598 value = impl.mController->GetDefaultFontFamily();
601 case Toolkit::TextLabel::Property::FONT_STYLE:
603 GetFontStyleProperty(impl.mController, value, Text::FontStyle::DEFAULT);
606 case Toolkit::TextLabel::Property::POINT_SIZE:
608 value = impl.mController->GetDefaultFontSize(Text::Controller::POINT_SIZE);
611 case Toolkit::TextLabel::Property::MULTI_LINE:
613 value = impl.mController->IsMultiLineEnabled();
616 case Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT:
618 const char* name = Text::GetHorizontalAlignmentString(impl.mController->GetHorizontalAlignment());
622 value = std::string(name);
626 case Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT:
628 const char* name = Text::GetVerticalAlignmentString(impl.mController->GetVerticalAlignment());
631 value = std::string(name);
635 case Toolkit::TextLabel::Property::ENABLE_MARKUP:
637 value = impl.mController->IsMarkupProcessorEnabled();
640 case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
642 value = impl.mController->IsAutoScrollEnabled();
645 case Toolkit::TextLabel::Property::AUTO_SCROLL_STOP_MODE:
647 if(impl.mTextScroller)
649 const char* mode = Scripting::GetEnumerationName<Toolkit::TextLabel::AutoScrollStopMode::Type>(impl.mTextScroller->GetStopMode(),
650 AUTO_SCROLL_STOP_MODE_TABLE,
651 AUTO_SCROLL_STOP_MODE_TABLE_COUNT);
654 value = std::string(mode);
659 case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
661 if(impl.mTextScroller)
663 value = impl.mTextScroller->GetSpeed();
667 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
669 if(impl.mTextScroller)
671 value = impl.mTextScroller->GetLoopCount();
675 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
677 if(impl.mTextScroller)
679 value = impl.mTextScroller->GetLoopDelay();
683 case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
685 if(impl.mTextScroller)
687 value = impl.mTextScroller->GetGap();
691 case Toolkit::TextLabel::Property::LINE_SPACING:
693 value = impl.mController->GetDefaultLineSpacing();
696 case Toolkit::TextLabel::Property::UNDERLINE:
698 GetUnderlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
701 case Toolkit::TextLabel::Property::SHADOW:
703 GetShadowProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
706 case Toolkit::TextLabel::Property::EMBOSS:
708 GetEmbossProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
711 case Toolkit::TextLabel::Property::OUTLINE:
713 GetOutlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
716 case Toolkit::TextLabel::Property::PIXEL_SIZE:
718 value = impl.mController->GetDefaultFontSize(Text::Controller::PIXEL_SIZE);
721 case Toolkit::TextLabel::Property::ELLIPSIS:
723 value = impl.mController->IsTextElideEnabled();
726 case Toolkit::TextLabel::Property::LINE_WRAP_MODE:
728 value = impl.mController->GetLineWrapMode();
731 case Toolkit::TextLabel::Property::LINE_COUNT:
733 float width = label.GetProperty(Actor::Property::SIZE_WIDTH).Get<float>();
734 value = impl.mController->GetLineCount(width);
737 case Toolkit::DevelTextLabel::Property::TEXT_DIRECTION:
739 value = impl.mController->GetTextDirection();
742 case Toolkit::DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT:
744 value = impl.mController->GetVerticalLineAlignment();
747 case Toolkit::DevelTextLabel::Property::BACKGROUND:
749 GetBackgroundProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
752 case Toolkit::DevelTextLabel::Property::IGNORE_SPACES_AFTER_TEXT:
754 value = impl.mController->IsIgnoreSpacesAfterText();
757 case Toolkit::DevelTextLabel::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
759 value = impl.mController->GetMatchLayoutDirection() != DevelText::MatchLayoutDirection::CONTENTS;
762 case Toolkit::DevelTextLabel::Property::TEXT_FIT:
764 const bool enabled = impl.mController->IsTextFitEnabled();
765 const float minSize = impl.mController->GetTextFitMinSize();
766 const float maxSize = impl.mController->GetTextFitMaxSize();
767 const float stepSize = impl.mController->GetTextFitStepSize();
768 const float pointSize = impl.mController->GetTextFitPointSize();
771 map.Insert(TEXT_FIT_ENABLE_KEY, enabled);
772 map.Insert(TEXT_FIT_MIN_SIZE_KEY, minSize);
773 map.Insert(TEXT_FIT_MAX_SIZE_KEY, maxSize);
774 map.Insert(TEXT_FIT_STEP_SIZE_KEY, stepSize);
775 map.Insert(TEXT_FIT_FONT_SIZE_KEY, pointSize);
776 map.Insert(TEXT_FIT_FONT_SIZE_TYPE_KEY, "pointSize");
781 case Toolkit::DevelTextLabel::Property::MIN_LINE_SIZE:
783 value = impl.mController->GetDefaultLineSize();
786 case Toolkit::DevelTextLabel::Property::FONT_SIZE_SCALE:
788 value = impl.mController->GetFontSizeScale();
791 case Toolkit::DevelTextLabel::Property::ENABLE_FONT_SIZE_SCALE:
793 value = impl.mController->IsFontSizeScaleEnabled();
796 case Toolkit::DevelTextLabel::Property::ELLIPSIS_POSITION:
798 value = impl.mController->GetEllipsisPosition();
801 case Toolkit::DevelTextLabel::Property::STRIKETHROUGH:
803 GetStrikethroughProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
806 case Toolkit::DevelTextLabel::Property::CHARACTER_SPACING:
808 value = impl.mController->GetCharacterSpacing();
811 case Toolkit::DevelTextLabel::Property::RELATIVE_LINE_SIZE:
813 value = impl.mController->GetRelativeLineSize();
822 bool TextLabel::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
824 Dali::BaseHandle handle(object);
826 bool connected(true);
827 Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(handle);
829 if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
833 Internal::TextLabel& labelImpl(GetImpl(label));
834 labelImpl.AnchorClickedSignal().Connect(tracker, functor);
837 else if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_FIT_CHANGED))
841 Internal::TextLabel& labelImpl(GetImpl(label));
842 labelImpl.TextFitChangedSignal().Connect(tracker, functor);
847 // signalName does not match any signal
854 DevelTextLabel::AnchorClickedSignalType& TextLabel::AnchorClickedSignal()
856 return mAnchorClickedSignal;
859 DevelTextLabel::TextFitChangedSignalType& TextLabel::TextFitChangedSignal()
861 return mTextFitChangedSignal;
864 void TextLabel::OnInitialize()
868 Property::Map propertyMap;
869 propertyMap.Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::TEXT);
871 mVisual = Toolkit::VisualFactory::Get().CreateVisual(propertyMap);
872 DevelControl::RegisterVisual(*this, Toolkit::TextLabel::Property::TEXT, mVisual);
874 TextVisual::SetAnimatableTextColorProperty(mVisual, Toolkit::TextLabel::Property::TEXT_COLOR);
876 mController = TextVisual::GetController(mVisual);
877 DALI_ASSERT_DEBUG(mController && "Invalid Text Controller")
879 mController->SetControlInterface(this);
880 mController->SetAnchorControlInterface(this);
882 // Use height-for-width negotiation by default
883 self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
884 self.SetResizePolicy(ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT);
886 // Enable highlightability
887 self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
889 // Enable the text ellipsis.
890 mController->SetTextElideEnabled(true); // If false then text larger than control will overflow
892 // Sets layoutDirection value
893 Dali::Stage stage = Dali::Stage::GetCurrent();
894 Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
895 mController->SetLayoutDirection(layoutDirection);
897 self.LayoutDirectionChangedSignal().Connect(this, &TextLabel::OnLayoutDirectionChanged);
899 Layout::Engine& engine = mController->GetLayoutEngine();
900 engine.SetCursorWidth(0u); // Do not layout space for the cursor.
902 DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
903 return std::unique_ptr<Dali::Accessibility::Accessible>(
904 new AccessibleImpl(actor, Dali::Accessibility::Role::LABEL));
907 Accessibility::Bridge::EnabledSignal().Connect(this, &TextLabel::OnAccessibilityStatusChanged);
908 Accessibility::Bridge::DisabledSignal().Connect(this, &TextLabel::OnAccessibilityStatusChanged);
911 void TextLabel::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
913 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnStyleChange\n");
917 case StyleChange::DEFAULT_FONT_CHANGE:
919 // Property system did not set the font so should update it.
920 const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
921 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnStyleChange StyleChange::DEFAULT_FONT_CHANGE newFont(%s)\n", newFont.c_str());
922 mController->UpdateAfterFontChange(newFont);
926 case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
928 GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
932 case StyleChange::THEME_CHANGE:
934 // Nothing to do, let control base class handle this
939 // Up call to Control
940 Control::OnStyleChange(styleManager, change);
943 void TextLabel::OnTap(const TapGesture& gesture)
945 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnTap %p\n", mController.Get());
947 // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
949 padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
950 const Vector2& localPoint = gesture.GetLocalPoint();
951 mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
954 void TextLabel::AnchorClicked(const std::string& href)
956 Dali::Toolkit::TextLabel handle(GetOwner());
957 mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
960 Vector3 TextLabel::GetNaturalSize()
963 padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
965 Vector3 naturalSize = mController->GetNaturalSize();
966 naturalSize.width += (padding.start + padding.end);
967 naturalSize.height += (padding.top + padding.bottom);
972 float TextLabel::GetHeightForWidth(float width)
975 padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
977 return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
980 void TextLabel::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
982 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnPropertySet index[%d]\n", index);
986 case Toolkit::TextLabel::Property::TEXT_COLOR:
988 const Vector4& textColor = propertyValue.Get<Vector4>();
989 if(mController->GetDefaultColor() != textColor)
991 mController->SetDefaultColor(textColor);
992 mTextUpdateNeeded = true;
996 case Toolkit::TextLabel::Property::TEXT:
997 case Toolkit::TextLabel::Property::ENABLE_MARKUP:
999 CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
1004 Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
1010 void TextLabel::OnRelayout(const Vector2& size, RelayoutContainer& container)
1012 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnRelayout\n");
1014 Actor self = Self();
1017 padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
1019 Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
1021 if(mController->IsTextFitEnabled())
1023 mController->FitPointSizeforLayout(contentSize);
1024 mController->SetTextFitContentSize(contentSize);
1027 // Support Right-To-Left
1028 Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
1030 const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
1032 if((Text::Controller::NONE_UPDATED != (Text::Controller::MODEL_UPDATED & updateTextType)) || mTextUpdateNeeded)
1034 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnRelayout IsAutoScrollEnabled[%s] [%p]\n", (mController->IsAutoScrollEnabled()) ? "true" : "false", this);
1036 // Update the visual
1037 TextVisual::EnableRendererUpdate(mVisual);
1039 // Support Right-To-Left of padding
1040 if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
1042 std::swap(padding.start, padding.end);
1045 // Calculate the size of the visual that can fit the text
1046 Size layoutSize = mController->GetTextModel()->GetLayoutSize();
1047 layoutSize.x = contentSize.x;
1049 const Vector2& shadowOffset = mController->GetTextModel()->GetShadowOffset();
1050 if(shadowOffset.y > Math::MACHINE_EPSILON_1)
1052 layoutSize.y += shadowOffset.y;
1055 float outlineWidth = mController->GetTextModel()->GetOutlineWidth();
1056 layoutSize.y += outlineWidth * 2.0f;
1057 layoutSize.y = std::min(layoutSize.y, contentSize.y);
1059 // Calculate the offset for vertical alignment only, as the layout engine will do the horizontal alignment.
1060 Vector2 alignmentOffset;
1061 alignmentOffset.x = 0.0f;
1062 alignmentOffset.y = (contentSize.y - layoutSize.y) * VERTICAL_ALIGNMENT_TABLE[mController->GetVerticalAlignment()];
1064 Property::Map visualTransform;
1065 visualTransform.Add(Toolkit::Visual::Transform::Property::SIZE, layoutSize)
1066 .Add(Toolkit::Visual::Transform::Property::SIZE_POLICY, Vector2(Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE))
1067 .Add(Toolkit::Visual::Transform::Property::OFFSET, Vector2(padding.start, padding.top) + alignmentOffset)
1068 .Add(Toolkit::Visual::Transform::Property::OFFSET_POLICY, Vector2(Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE))
1069 .Add(Toolkit::Visual::Transform::Property::ORIGIN, Toolkit::Align::TOP_BEGIN)
1070 .Add(Toolkit::Visual::Transform::Property::ANCHOR_POINT, Toolkit::Align::TOP_BEGIN);
1071 mVisual.SetTransformAndSize(visualTransform, size);
1073 if(mController->IsAutoScrollEnabled())
1075 SetUpAutoScrolling();
1078 mTextUpdateNeeded = false;
1081 if(mController->IsTextFitChanged())
1083 EmitTextFitChangedSignal();
1084 mController->SetTextFitChanged(false);
1088 void TextLabel::RequestTextRelayout()
1091 // Signal that a Relayout may be needed
1094 void TextLabel::SetUpAutoScrolling()
1096 const Size& controlSize = mController->GetView().GetControlSize();
1097 const Size textNaturalSize = GetNaturalSize().GetVectorXY(); // As relayout of text may not be done at this point natural size is used to get size. Single line scrolling only.
1098 const Text::CharacterDirection direction = mController->GetAutoScrollDirection();
1100 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling textNaturalSize[%f,%f] controlSize[%f,%f]\n", textNaturalSize.x, textNaturalSize.y, controlSize.x, controlSize.y);
1104 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling Creating default TextScoller\n");
1106 // If speed, loopCount or gap not set via property system then will need to create a TextScroller with defaults
1107 mTextScroller = Text::TextScroller::New(*this);
1110 // Calculate the actual gap before scrolling wraps.
1111 int textPadding = std::max(controlSize.x - textNaturalSize.x, 0.0f);
1112 float wrapGap = std::max(mTextScroller->GetGap(), textPadding);
1113 Vector2 textureSize = textNaturalSize + Vector2(wrapGap, 0.0f); // Add the gap as a part of the texture
1115 // Create a texture of the text for scrolling
1116 Size verifiedSize = textureSize;
1117 const int maxTextureSize = Dali::GetMaxTextureSize();
1119 //if the texture size width exceed maxTextureSize, modify the visual model size and enabled the ellipsis
1120 bool actualellipsis = mController->IsTextElideEnabled();
1121 if(verifiedSize.width > maxTextureSize)
1123 verifiedSize.width = maxTextureSize;
1124 if(textNaturalSize.width > maxTextureSize)
1126 mController->SetTextElideEnabled(true);
1128 GetHeightForWidth(maxTextureSize);
1129 wrapGap = std::max(maxTextureSize - textNaturalSize.width, 0.0f);
1132 Text::TypesetterPtr typesetter = Text::Typesetter::New(mController->GetTextModel());
1134 PixelData data = typesetter->Render(verifiedSize, mController->GetTextDirection(), Text::Typesetter::RENDER_TEXT_AND_STYLES, true, Pixel::RGBA8888); // ignore the horizontal alignment
1135 Texture texture = Texture::New(Dali::TextureType::TEXTURE_2D,
1136 data.GetPixelFormat(),
1139 texture.Upload(data);
1141 TextureSet textureSet = TextureSet::New();
1142 textureSet.SetTexture(0u, texture);
1144 // Filter mode needs to be set to linear to produce better quality while scaling.
1145 Sampler sampler = Sampler::New();
1146 sampler.SetFilterMode(FilterMode::LINEAR, FilterMode::LINEAR);
1147 sampler.SetWrapMode(Dali::WrapMode::DEFAULT, Dali::WrapMode::REPEAT, Dali::WrapMode::DEFAULT); // Wrap the texture in the x direction
1148 textureSet.SetSampler(0u, sampler);
1150 // Set parameters for scrolling
1151 Renderer renderer = static_cast<Internal::Visual::Base&>(GetImplementation(mVisual)).GetRenderer();
1152 mTextScroller->SetParameters(Self(), renderer, textureSet, controlSize, verifiedSize, wrapGap, direction, mController->GetHorizontalAlignment(), mController->GetVerticalAlignment());
1153 mController->SetTextElideEnabled(actualellipsis);
1156 void TextLabel::ScrollingFinished()
1158 // Pure Virtual from TextScroller Interface
1159 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::ScrollingFinished\n");
1160 mController->SetAutoScrollEnabled(false);
1161 RequestTextRelayout();
1164 void TextLabel::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1166 mController->ChangedLayoutDirection();
1169 void TextLabel::EmitTextFitChangedSignal()
1171 Dali::Toolkit::TextLabel handle(GetOwner());
1172 mTextFitChangedSignal.Emit(handle);
1175 void TextLabel::OnAccessibilityStatusChanged()
1177 CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
1180 TextLabel::TextLabel(ControlBehaviour additionalBehavior)
1181 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT | additionalBehavior)),
1182 mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1183 mTextUpdateNeeded(false)
1187 TextLabel::~TextLabel()
1191 Vector<Vector2> TextLabel::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
1193 return mController->GetTextSize(startIndex, endIndex);
1196 Vector<Vector2> TextLabel::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
1198 return mController->GetTextPosition(startIndex, endIndex);
1201 std::string TextLabel::AccessibleImpl::GetNameRaw() const
1203 auto self = Toolkit::TextLabel::DownCast(Self());
1204 return self.GetProperty(Toolkit::TextLabel::Property::TEXT).Get<std::string>();
1207 Property::Index TextLabel::AccessibleImpl::GetNamePropertyIndex()
1209 return Toolkit::TextLabel::Property::TEXT;
1212 std::string TextLabel::AccessibleImpl::GetText(size_t startOffset, size_t endOffset) const
1214 if(endOffset <= startOffset)
1219 auto self = Toolkit::TextLabel::DownCast(Self());
1220 auto text = self.GetProperty(Toolkit::TextLabel::Property::TEXT).Get<std::string>();
1222 if(startOffset > text.size() || endOffset > text.size())
1227 return text.substr(startOffset, endOffset - startOffset);
1230 size_t TextLabel::AccessibleImpl::GetCharacterCount() const
1232 auto self = Toolkit::TextLabel::DownCast(Self());
1233 auto text = self.GetProperty(Toolkit::TextLabel::Property::TEXT).Get<std::string>();
1238 size_t TextLabel::AccessibleImpl::GetCursorOffset() const
1243 bool TextLabel::AccessibleImpl::SetCursorOffset(size_t offset)
1248 Dali::Accessibility::Range TextLabel::AccessibleImpl::GetTextAtOffset(size_t offset, Dali::Accessibility::TextBoundary boundary) const
1250 auto self = Toolkit::TextLabel::DownCast(Self());
1251 auto text = self.GetProperty(Toolkit::TextLabel::Property::TEXT).Get<std::string>();
1252 auto textSize = text.size();
1254 auto range = Dali::Accessibility::Range{};
1258 case Dali::Accessibility::TextBoundary::CHARACTER:
1260 if(offset < textSize)
1262 range.content = text[offset];
1263 range.startOffset = offset;
1264 range.endOffset = offset + 1;
1268 case Dali::Accessibility::TextBoundary::WORD:
1269 case Dali::Accessibility::TextBoundary::LINE:
1271 auto textString = text.c_str();
1272 auto breaks = std::vector<char>(textSize, 0);
1274 if(boundary == Dali::Accessibility::TextBoundary::WORD)
1276 Accessibility::Accessible::FindWordSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1280 Accessibility::Accessible::FindLineSeparationsUtf8(reinterpret_cast<const utf8_t*>(textString), textSize, "", breaks.data());
1285 while(index < textSize && counter <= offset)
1290 while(breaks[index])
1298 if(boundary == Dali::Accessibility::TextBoundary::WORD)
1302 if(boundary == Dali::Accessibility::TextBoundary::LINE)
1308 if((counter > 0) && ((counter - 1) == offset))
1310 range.content = text.substr(start, index - start + 1);
1311 range.startOffset = start;
1312 range.endOffset = index + 1;
1315 if(boundary == Dali::Accessibility::TextBoundary::LINE)
1322 case Dali::Accessibility::TextBoundary::SENTENCE:
1324 /* not supported by default */
1327 case Dali::Accessibility::TextBoundary::PARAGRAPH:
1329 /* Paragraph is not supported by libunibreak library */
1339 Dali::Accessibility::Range TextLabel::AccessibleImpl::GetRangeOfSelection(size_t selectionIndex) const
1341 // Since DALi supports only one selection indexes higher than 0 are ignored
1342 if(selectionIndex > 0)
1347 auto self = Toolkit::TextLabel::DownCast(Self());
1348 auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1349 std::string value{};
1350 controller->RetrieveSelection(value);
1351 auto indices = controller->GetSelectionIndexes();
1353 return {static_cast<size_t>(indices.first), static_cast<size_t>(indices.second), value};
1356 bool TextLabel::AccessibleImpl::RemoveSelection(size_t selectionIndex)
1358 // Since DALi supports only one selection indexes higher than 0 are ignored
1359 if(selectionIndex > 0)
1364 auto self = Toolkit::TextLabel::DownCast(Self());
1365 Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(0, 0);
1369 bool TextLabel::AccessibleImpl::SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset)
1371 // Since DALi supports only one selection indexes higher than 0 are ignored
1372 if(selectionIndex > 0)
1377 auto self = Toolkit::TextLabel::DownCast(Self());
1378 Dali::Toolkit::GetImpl(self).GetTextController()->SetSelection(startOffset, endOffset);
1382 Rect<> TextLabel::AccessibleImpl::GetRangeExtents(size_t startOffset, size_t endOffset, Accessibility::CoordinateType type)
1384 if (endOffset <= startOffset || endOffset <= 0)
1386 return {0, 0, 0, 0};
1389 auto self = Toolkit::TextLabel::DownCast(Self());
1390 auto rect = Dali::Toolkit::GetImpl(self).GetTextController()->GetTextBoundingRectangle(startOffset, endOffset - 1);
1392 auto componentExtents = this->GetExtents(type);
1394 rect.x += componentExtents.x;
1395 rect.y += componentExtents.y;
1400 int32_t TextLabel::AccessibleImpl::GetLinkCount() const
1402 auto self = Toolkit::TextLabel::DownCast(Self());
1403 return Dali::Toolkit::GetImpl(self).mAnchorActors.size();
1406 Accessibility::Hyperlink* TextLabel::AccessibleImpl::GetLink(int32_t linkIndex) const
1408 if(linkIndex < 0 || linkIndex >= GetLinkCount())
1412 auto self = Toolkit::TextLabel::DownCast(Self());
1413 auto anchorActor = Dali::Toolkit::GetImpl(self).mAnchorActors[linkIndex];
1414 return dynamic_cast<Accessibility::Hyperlink*>(Dali::Accessibility::Accessible::Get(anchorActor));
1417 int32_t TextLabel::AccessibleImpl::GetLinkIndex(int32_t characterOffset) const
1419 auto self = Toolkit::TextLabel::DownCast(Self());
1420 auto controller = Dali::Toolkit::GetImpl(self).GetTextController();
1421 return controller->GetAnchorIndex(static_cast<size_t>(characterOffset));
1424 } // namespace Internal
1426 } // namespace Toolkit