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 char* TEXT_FIT_ENABLE_KEY("enable");
80 const char* TEXT_FIT_MIN_SIZE_KEY("minSize");
81 const char* TEXT_FIT_MAX_SIZE_KEY("maxSize");
82 const char* TEXT_FIT_STEP_SIZE_KEY("stepSize");
83 const char* TEXT_FIT_FONT_SIZE_KEY("fontSize");
84 const char* 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);
209 // The TextFit operation is performed based on the MinLineSize set in the TextLabel at the moment when the TextFit property is set.
210 // So, if you change the TextLabel's MinLineSize after setting the TextFit property, it does not affect the operation of TextFit.
211 // This may require a new LineSize item in TextFit.
212 controller->SetTextFitLineSize(controller->GetDefaultLineSize());
215 controller->SetTextFitMinSize(minSize, type);
219 controller->SetTextFitMaxSize(maxSize, type);
223 controller->SetTextFitStepSize(stepSize, type);
230 Toolkit::TextLabel TextLabel::New(ControlBehaviour additionalBehaviour)
232 // Create the implementation, temporarily owned by this handle on stack
233 IntrusivePtr<TextLabel> impl = new TextLabel(additionalBehaviour);
235 // Pass ownership to CustomActor handle
236 Toolkit::TextLabel handle(*impl);
238 // Second-phase init of the implementation
239 // This can only be done after the CustomActor connection has been made...
245 void TextLabel::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
247 Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(Dali::BaseHandle(object));
251 TextLabel& impl(GetImpl(label));
252 DALI_ASSERT_ALWAYS(impl.mController && "No text contoller");
256 case Toolkit::DevelTextLabel::Property::RENDERING_BACKEND:
258 int backend = value.Get<int>();
260 #ifndef ENABLE_VECTOR_BASED_TEXT_RENDERING
261 if(DevelText::RENDERING_VECTOR_BASED == backend)
263 backend = TextAbstraction::BITMAP_GLYPH; // Fallback to bitmap-based rendering
266 if(impl.mRenderingBackend != backend)
268 impl.mRenderingBackend = backend;
269 impl.mTextUpdateNeeded = true;
271 // When using the vector-based rendering, the size of the GLyphs are different
272 TextAbstraction::GlyphType glyphType = (DevelText::RENDERING_VECTOR_BASED == impl.mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
273 impl.mController->SetGlyphType(glyphType);
277 case Toolkit::TextLabel::Property::TEXT:
279 impl.mController->SetText(value.Get<std::string>());
281 if(impl.mController->HasAnchors())
283 // Forward input events to controller
284 impl.EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
288 impl.DisableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
293 case Toolkit::TextLabel::Property::FONT_FAMILY:
295 const std::string& fontFamily = value.Get<std::string>();
297 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::SetProperty Property::FONT_FAMILY newFont(%s)\n", fontFamily.c_str());
298 impl.mController->SetDefaultFontFamily(fontFamily);
301 case Toolkit::TextLabel::Property::FONT_STYLE:
303 SetFontStyleProperty(impl.mController, value, Text::FontStyle::DEFAULT);
306 case Toolkit::TextLabel::Property::POINT_SIZE:
308 const float pointSize = value.Get<float>();
310 if(!Equals(impl.mController->GetDefaultFontSize(Text::Controller::POINT_SIZE), pointSize))
312 impl.mController->SetDefaultFontSize(pointSize, Text::Controller::POINT_SIZE);
316 case Toolkit::TextLabel::Property::MULTI_LINE:
318 impl.mController->SetMultiLineEnabled(value.Get<bool>());
321 case Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT:
323 Text::HorizontalAlignment::Type alignment(static_cast<Text::HorizontalAlignment::Type>(-1)); // Set to invalid value to ensure a valid mode does get set
324 if(Text::GetHorizontalAlignmentEnumeration(value, alignment))
326 impl.mController->SetHorizontalAlignment(alignment);
330 case Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT:
332 Toolkit::Text::VerticalAlignment::Type alignment(static_cast<Text::VerticalAlignment::Type>(-1)); // Set to invalid value to ensure a valid mode does get set
333 if(Text::GetVerticalAlignmentEnumeration(value, alignment))
335 impl.mController->SetVerticalAlignment(alignment);
339 case Toolkit::TextLabel::Property::ENABLE_MARKUP:
341 const bool enableMarkup = value.Get<bool>();
342 impl.mController->SetMarkupProcessorEnabled(enableMarkup);
344 if(impl.mController->HasAnchors())
346 // Forward input events to controller
347 impl.EnableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
351 impl.DisableGestureDetection(static_cast<GestureType::Value>(GestureType::TAP));
355 case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
357 const bool enableAutoScroll = value.Get<bool>();
358 impl.mLastAutoScrollEnabled = enableAutoScroll;
359 // If request to auto scroll is the same as current state then do nothing.
360 if(enableAutoScroll != impl.mController->IsAutoScrollEnabled())
362 // If request is disable (false) and auto scrolling is enabled then need to stop it
363 if(enableAutoScroll == false)
365 if(impl.mTextScroller)
367 impl.mTextScroller->StopScrolling();
370 // If request is enable (true) then start autoscroll as not already running
373 impl.mController->SetAutoScrollEnabled(enableAutoScroll);
378 case Toolkit::TextLabel::Property::AUTO_SCROLL_STOP_MODE:
380 Text::TextScrollerPtr textScroller = impl.GetTextScroller();
381 Toolkit::TextLabel::AutoScrollStopMode::Type stopMode = textScroller->GetStopMode();
382 if(Scripting::GetEnumerationProperty<Toolkit::TextLabel::AutoScrollStopMode::Type>(value,
383 AUTO_SCROLL_STOP_MODE_TABLE,
384 AUTO_SCROLL_STOP_MODE_TABLE_COUNT,
387 textScroller->SetStopMode(stopMode);
391 case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
393 impl.GetTextScroller()->SetSpeed(value.Get<int>());
396 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
398 impl.GetTextScroller()->SetLoopCount(value.Get<int>());
401 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
403 impl.GetTextScroller()->SetLoopDelay(value.Get<float>());
406 case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
408 impl.GetTextScroller()->SetGap(value.Get<float>());
411 case Toolkit::TextLabel::Property::LINE_SPACING:
413 const float lineSpacing = value.Get<float>();
414 impl.mTextUpdateNeeded = impl.mController->SetDefaultLineSpacing(lineSpacing) || impl.mTextUpdateNeeded;
417 case Toolkit::TextLabel::Property::UNDERLINE:
419 impl.mTextUpdateNeeded = SetUnderlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
422 case Toolkit::TextLabel::Property::SHADOW:
424 impl.mTextUpdateNeeded = SetShadowProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
427 case Toolkit::TextLabel::Property::EMBOSS:
429 impl.mTextUpdateNeeded = SetEmbossProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
432 case Toolkit::TextLabel::Property::OUTLINE:
434 impl.mTextUpdateNeeded = SetOutlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
437 case Toolkit::TextLabel::Property::PIXEL_SIZE:
439 const float pixelSize = value.Get<float>();
440 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p PIXEL_SIZE %f\n", impl.mController.Get(), pixelSize);
442 if(!Equals(impl.mController->GetDefaultFontSize(Text::Controller::PIXEL_SIZE), pixelSize))
444 impl.mController->SetDefaultFontSize(pixelSize, Text::Controller::PIXEL_SIZE);
448 case Toolkit::TextLabel::Property::ELLIPSIS:
450 const bool ellipsis = value.Get<bool>();
451 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p ELLIPSIS %d\n", impl.mController.Get(), ellipsis);
453 impl.mController->SetTextElideEnabled(ellipsis);
456 case Toolkit::TextLabel::Property::LINE_WRAP_MODE:
458 Text::LineWrap::Mode lineWrapMode(static_cast<Text::LineWrap::Mode>(-1)); // Set to invalid value to ensure a valid mode does get set
459 if(GetLineWrapModeEnumeration(value, lineWrapMode))
461 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p LineWrap::MODE %d\n", impl.mController.Get(), lineWrapMode);
462 impl.mController->SetLineWrapMode(lineWrapMode);
466 case Toolkit::DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT:
468 if(impl.mController->GetTextModel())
470 DevelText::VerticalLineAlignment::Type alignment = static_cast<DevelText::VerticalLineAlignment::Type>(value.Get<int>());
472 impl.mController->SetVerticalLineAlignment(alignment);
474 // Property doesn't affect the layout, only Visual must be updated
475 TextVisual::EnableRendererUpdate(impl.mVisual);
477 // No need to trigger full re-layout. Instead call UpdateRenderer() directly
478 TextVisual::UpdateRenderer(impl.mVisual);
482 case Toolkit::DevelTextLabel::Property::BACKGROUND:
484 impl.mTextUpdateNeeded = SetBackgroundProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
487 case Toolkit::DevelTextLabel::Property::IGNORE_SPACES_AFTER_TEXT:
489 impl.mController->SetIgnoreSpacesAfterText(value.Get<bool>());
492 case Toolkit::DevelTextLabel::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
494 impl.mController->SetMatchLayoutDirection(value.Get<bool>() ? DevelText::MatchLayoutDirection::LOCALE : DevelText::MatchLayoutDirection::CONTENTS);
497 case Toolkit::DevelTextLabel::Property::TEXT_FIT:
499 ParseTextFitProperty(impl.mController, value.GetMap());
500 impl.mController->SetTextFitChanged(true);
503 case Toolkit::DevelTextLabel::Property::MIN_LINE_SIZE:
505 const float lineSize = value.Get<float>();
506 impl.mTextUpdateNeeded = impl.mController->SetDefaultLineSize(lineSize) || impl.mTextUpdateNeeded;
509 case Toolkit::DevelTextLabel::Property::FONT_SIZE_SCALE:
511 const float scale = value.Get<float>();
512 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p FONT_SIZE_SCALE %f\n", impl.mController.Get(), scale);
514 if(!Equals(impl.mController->GetFontSizeScale(), scale))
516 impl.mController->SetFontSizeScale(scale);
520 case Toolkit::DevelTextLabel::Property::ENABLE_FONT_SIZE_SCALE:
522 const bool enableFontSizeScale = value.Get<bool>();
523 if(!Equals(impl.mController->IsFontSizeScaleEnabled(), enableFontSizeScale))
525 impl.mController->SetFontSizeScaleEnabled(enableFontSizeScale);
529 case Toolkit::DevelTextLabel::Property::ELLIPSIS_POSITION:
531 DevelText::EllipsisPosition::Type ellipsisPositionType(static_cast<DevelText::EllipsisPosition::Type>(-1)); // Set to invalid value to ensure a valid mode does get set
532 if(GetEllipsisPositionTypeEnumeration(value, ellipsisPositionType))
534 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p EllipsisPosition::Type %d\n", impl.mController.Get(), ellipsisPositionType);
535 impl.mController->SetEllipsisPosition(ellipsisPositionType);
539 case Toolkit::DevelTextLabel::Property::STRIKETHROUGH:
541 impl.mTextUpdateNeeded = SetStrikethroughProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
544 case Toolkit::DevelTextLabel::Property::CHARACTER_SPACING:
546 const float characterSpacing = value.Get<float>();
547 impl.mController->SetCharacterSpacing(characterSpacing);
550 case Toolkit::DevelTextLabel::Property::RELATIVE_LINE_SIZE:
552 const float relativeLineSize = value.Get<float>();
553 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel %p RELATIVE_LINE_SIZE %f\n", impl.mController.Get(), relativeLineSize);
555 impl.mController->SetRelativeLineSize(relativeLineSize);
560 // Request relayout when text update is needed. It's necessary to call it
561 // as changing the property not via UI interaction brings no effect if only
562 // the mTextUpdateNeeded is changed.
563 if(impl.mTextUpdateNeeded)
565 // need to request relayout as size of text may have changed
566 impl.RequestTextRelayout();
571 Text::ControllerPtr TextLabel::GetTextController()
576 Property::Value TextLabel::GetProperty(BaseObject* object, Property::Index index)
578 Property::Value value;
580 Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(Dali::BaseHandle(object));
584 TextLabel& impl(GetImpl(label));
585 DALI_ASSERT_DEBUG(impl.mController && "No text contoller");
589 case Toolkit::DevelTextLabel::Property::RENDERING_BACKEND:
591 value = impl.mRenderingBackend;
594 case Toolkit::TextLabel::Property::TEXT:
597 impl.mController->GetText(text);
601 case Toolkit::TextLabel::Property::FONT_FAMILY:
603 value = impl.mController->GetDefaultFontFamily();
606 case Toolkit::TextLabel::Property::FONT_STYLE:
608 GetFontStyleProperty(impl.mController, value, Text::FontStyle::DEFAULT);
611 case Toolkit::TextLabel::Property::POINT_SIZE:
613 value = impl.mController->GetDefaultFontSize(Text::Controller::POINT_SIZE);
616 case Toolkit::TextLabel::Property::MULTI_LINE:
618 value = impl.mController->IsMultiLineEnabled();
621 case Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT:
623 const char* name = Text::GetHorizontalAlignmentString(impl.mController->GetHorizontalAlignment());
627 value = std::string(name);
631 case Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT:
633 const char* name = Text::GetVerticalAlignmentString(impl.mController->GetVerticalAlignment());
636 value = std::string(name);
640 case Toolkit::TextLabel::Property::ENABLE_MARKUP:
642 value = impl.mController->IsMarkupProcessorEnabled();
645 case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
647 value = impl.mController->IsAutoScrollEnabled();
650 case Toolkit::TextLabel::Property::AUTO_SCROLL_STOP_MODE:
652 if(impl.mTextScroller)
654 const char* mode = Scripting::GetEnumerationName<Toolkit::TextLabel::AutoScrollStopMode::Type>(impl.mTextScroller->GetStopMode(),
655 AUTO_SCROLL_STOP_MODE_TABLE,
656 AUTO_SCROLL_STOP_MODE_TABLE_COUNT);
659 value = std::string(mode);
664 case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
666 if(impl.mTextScroller)
668 value = impl.mTextScroller->GetSpeed();
672 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
674 if(impl.mTextScroller)
676 value = impl.mTextScroller->GetLoopCount();
680 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
682 if(impl.mTextScroller)
684 value = impl.mTextScroller->GetLoopDelay();
688 case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
690 if(impl.mTextScroller)
692 value = impl.mTextScroller->GetGap();
696 case Toolkit::TextLabel::Property::LINE_SPACING:
698 value = impl.mController->GetDefaultLineSpacing();
701 case Toolkit::TextLabel::Property::UNDERLINE:
703 GetUnderlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
706 case Toolkit::TextLabel::Property::SHADOW:
708 GetShadowProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
711 case Toolkit::TextLabel::Property::EMBOSS:
713 GetEmbossProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
716 case Toolkit::TextLabel::Property::OUTLINE:
718 GetOutlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
721 case Toolkit::TextLabel::Property::PIXEL_SIZE:
723 value = impl.mController->GetDefaultFontSize(Text::Controller::PIXEL_SIZE);
726 case Toolkit::TextLabel::Property::ELLIPSIS:
728 value = impl.mController->IsTextElideEnabled();
731 case Toolkit::TextLabel::Property::LINE_WRAP_MODE:
733 value = impl.mController->GetLineWrapMode();
736 case Toolkit::TextLabel::Property::LINE_COUNT:
738 float width = label.GetProperty(Actor::Property::SIZE_WIDTH).Get<float>();
739 value = impl.mController->GetLineCount(width);
742 case Toolkit::DevelTextLabel::Property::TEXT_DIRECTION:
744 value = impl.mController->GetTextDirection();
747 case Toolkit::DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT:
749 value = impl.mController->GetVerticalLineAlignment();
752 case Toolkit::DevelTextLabel::Property::BACKGROUND:
754 GetBackgroundProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
757 case Toolkit::DevelTextLabel::Property::IGNORE_SPACES_AFTER_TEXT:
759 value = impl.mController->IsIgnoreSpacesAfterText();
762 case Toolkit::DevelTextLabel::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
764 value = impl.mController->GetMatchLayoutDirection() != DevelText::MatchLayoutDirection::CONTENTS;
767 case Toolkit::DevelTextLabel::Property::TEXT_FIT:
769 const bool enabled = impl.mController->IsTextFitEnabled();
770 const float minSize = impl.mController->GetTextFitMinSize();
771 const float maxSize = impl.mController->GetTextFitMaxSize();
772 const float stepSize = impl.mController->GetTextFitStepSize();
773 const float pointSize = impl.mController->GetTextFitPointSize();
776 map.Insert(TEXT_FIT_ENABLE_KEY, enabled);
777 map.Insert(TEXT_FIT_MIN_SIZE_KEY, minSize);
778 map.Insert(TEXT_FIT_MAX_SIZE_KEY, maxSize);
779 map.Insert(TEXT_FIT_STEP_SIZE_KEY, stepSize);
780 map.Insert(TEXT_FIT_FONT_SIZE_KEY, pointSize);
781 map.Insert(TEXT_FIT_FONT_SIZE_TYPE_KEY, "pointSize");
786 case Toolkit::DevelTextLabel::Property::MIN_LINE_SIZE:
788 value = impl.mController->GetDefaultLineSize();
791 case Toolkit::DevelTextLabel::Property::FONT_SIZE_SCALE:
793 value = impl.mController->GetFontSizeScale();
796 case Toolkit::DevelTextLabel::Property::ENABLE_FONT_SIZE_SCALE:
798 value = impl.mController->IsFontSizeScaleEnabled();
801 case Toolkit::DevelTextLabel::Property::ELLIPSIS_POSITION:
803 value = impl.mController->GetEllipsisPosition();
806 case Toolkit::DevelTextLabel::Property::STRIKETHROUGH:
808 GetStrikethroughProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
811 case Toolkit::DevelTextLabel::Property::CHARACTER_SPACING:
813 value = impl.mController->GetCharacterSpacing();
816 case Toolkit::DevelTextLabel::Property::RELATIVE_LINE_SIZE:
818 value = impl.mController->GetRelativeLineSize();
827 bool TextLabel::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
829 Dali::BaseHandle handle(object);
831 bool connected(true);
832 Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(handle);
834 if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
838 Internal::TextLabel& labelImpl(GetImpl(label));
839 labelImpl.AnchorClickedSignal().Connect(tracker, functor);
842 else if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_FIT_CHANGED))
846 Internal::TextLabel& labelImpl(GetImpl(label));
847 labelImpl.TextFitChangedSignal().Connect(tracker, functor);
852 // signalName does not match any signal
859 DevelTextLabel::AnchorClickedSignalType& TextLabel::AnchorClickedSignal()
861 return mAnchorClickedSignal;
864 DevelTextLabel::TextFitChangedSignalType& TextLabel::TextFitChangedSignal()
866 return mTextFitChangedSignal;
869 void TextLabel::OnInitialize()
873 Property::Map propertyMap;
874 propertyMap.Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::TEXT);
876 mVisual = Toolkit::VisualFactory::Get().CreateVisual(propertyMap);
877 DevelControl::RegisterVisual(*this, Toolkit::TextLabel::Property::TEXT, mVisual);
879 TextVisual::SetAnimatableTextColorProperty(mVisual, Toolkit::TextLabel::Property::TEXT_COLOR);
881 mController = TextVisual::GetController(mVisual);
882 DALI_ASSERT_DEBUG(mController && "Invalid Text Controller")
884 mController->SetControlInterface(this);
885 mController->SetAnchorControlInterface(this);
887 // Use height-for-width negotiation by default
888 self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
889 self.SetResizePolicy(ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT);
891 // Enable the text ellipsis.
892 mController->SetTextElideEnabled(true); // If false then text larger than control will overflow
894 // Sets layoutDirection value
895 Dali::Stage stage = Dali::Stage::GetCurrent();
896 Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
897 mController->SetLayoutDirection(layoutDirection);
899 self.LayoutDirectionChangedSignal().Connect(this, &TextLabel::OnLayoutDirectionChanged);
901 Layout::Engine& engine = mController->GetLayoutEngine();
902 engine.SetCursorWidth(0u); // Do not layout space for the cursor.
905 self.SetProperty(DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::LABEL);
906 self.SetProperty(DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
908 Accessibility::Bridge::EnabledSignal().Connect(this, &TextLabel::OnAccessibilityStatusChanged);
909 Accessibility::Bridge::DisabledSignal().Connect(this, &TextLabel::OnAccessibilityStatusChanged);
912 DevelControl::ControlAccessible* TextLabel::CreateAccessibleObject()
914 return new TextLabelAccessible(Self());
917 void TextLabel::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
919 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnStyleChange\n");
923 case StyleChange::DEFAULT_FONT_CHANGE:
925 // Property system did not set the font so should update it.
926 const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
927 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnStyleChange StyleChange::DEFAULT_FONT_CHANGE newFont(%s)\n", newFont.c_str());
928 mController->UpdateAfterFontChange(newFont);
932 case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
934 GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
938 case StyleChange::THEME_CHANGE:
940 // Nothing to do, let control base class handle this
945 // Up call to Control
946 Control::OnStyleChange(styleManager, change);
949 void TextLabel::OnTap(const TapGesture& gesture)
951 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnTap %p\n", mController.Get());
953 // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
955 padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
956 const Vector2& localPoint = gesture.GetLocalPoint();
957 mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
960 void TextLabel::AnchorClicked(const std::string& href)
962 Dali::Toolkit::TextLabel handle(GetOwner());
963 mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
966 Vector3 TextLabel::GetNaturalSize()
969 padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
971 Vector3 naturalSize = mController->GetNaturalSize();
972 naturalSize.width += (padding.start + padding.end);
973 naturalSize.height += (padding.top + padding.bottom);
978 float TextLabel::GetHeightForWidth(float width)
981 padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
983 return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
986 void TextLabel::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
988 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnPropertySet index[%d]\n", index);
992 case Toolkit::TextLabel::Property::TEXT_COLOR:
994 const Vector4& textColor = propertyValue.Get<Vector4>();
995 if(mController->GetDefaultColor() != textColor)
997 mController->SetDefaultColor(textColor);
998 mTextUpdateNeeded = true;
1002 case Toolkit::TextLabel::Property::TEXT:
1003 case Toolkit::TextLabel::Property::ENABLE_MARKUP:
1005 CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
1010 Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
1016 void TextLabel::OnSceneConnection(int depth)
1018 if(mController->IsAutoScrollEnabled() || mLastAutoScrollEnabled)
1020 mController->SetAutoScrollEnabled(true);
1022 Control::OnSceneConnection(depth);
1025 void TextLabel::OnSceneDisconnection()
1029 if(mLastAutoScrollEnabled && !mController->IsAutoScrollEnabled())
1031 mLastAutoScrollEnabled = false;
1034 const Toolkit::TextLabel::AutoScrollStopMode::Type stopMode = mTextScroller->GetStopMode();
1035 mTextScroller->SetStopMode(Toolkit::TextLabel::AutoScrollStopMode::IMMEDIATE);
1036 mTextScroller->StopScrolling();
1037 mTextScroller->SetStopMode(stopMode);
1039 Control::OnSceneDisconnection();
1042 void TextLabel::OnRelayout(const Vector2& size, RelayoutContainer& container)
1044 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnRelayout\n");
1046 Actor self = Self();
1049 padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
1051 Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
1053 if(mController->IsTextFitEnabled())
1055 mController->FitPointSizeforLayout(contentSize);
1056 mController->SetTextFitContentSize(contentSize);
1059 // Support Right-To-Left
1060 Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
1062 const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
1064 if((Text::Controller::NONE_UPDATED != (Text::Controller::MODEL_UPDATED & updateTextType)) || mTextUpdateNeeded)
1066 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnRelayout IsAutoScrollEnabled[%s] [%p]\n", (mController->IsAutoScrollEnabled()) ? "true" : "false", this);
1068 // Update the visual
1069 TextVisual::EnableRendererUpdate(mVisual);
1071 // Support Right-To-Left of padding
1072 if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
1074 std::swap(padding.start, padding.end);
1077 // Calculate the size of the visual that can fit the text
1078 Size layoutSize = mController->GetTextModel()->GetLayoutSize();
1079 layoutSize.x = contentSize.x;
1081 const Vector2& shadowOffset = mController->GetTextModel()->GetShadowOffset();
1082 if(shadowOffset.y > Math::MACHINE_EPSILON_1)
1084 layoutSize.y += shadowOffset.y;
1087 float outlineWidth = mController->GetTextModel()->GetOutlineWidth();
1088 layoutSize.y += outlineWidth * 2.0f;
1089 layoutSize.y = std::min(layoutSize.y, contentSize.y);
1091 // Calculate the offset for vertical alignment only, as the layout engine will do the horizontal alignment.
1092 Vector2 alignmentOffset;
1093 alignmentOffset.x = 0.0f;
1094 alignmentOffset.y = (contentSize.y - layoutSize.y) * VERTICAL_ALIGNMENT_TABLE[mController->GetVerticalAlignment()];
1096 const int maxTextureSize = Dali::GetMaxTextureSize();
1097 if(layoutSize.width > maxTextureSize)
1099 DALI_LOG_WARNING("layoutSize(%f) > maxTextureSize(%d): To guarantee the behavior of Texture::New, layoutSize must not be bigger than maxTextureSize\n", layoutSize.width, maxTextureSize);
1100 layoutSize.width = maxTextureSize;
1103 // This affects font rendering quality.
1104 // It need to be integerized.
1105 Vector2 visualTransformOffset;
1106 visualTransformOffset.x = roundf(padding.start + alignmentOffset.x);
1107 visualTransformOffset.y = roundf(padding.top + alignmentOffset.y);
1109 Property::Map visualTransform;
1110 visualTransform.Add(Toolkit::Visual::Transform::Property::SIZE, layoutSize)
1111 .Add(Toolkit::Visual::Transform::Property::SIZE_POLICY, Vector2(Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE))
1112 .Add(Toolkit::Visual::Transform::Property::OFFSET, visualTransformOffset)
1113 .Add(Toolkit::Visual::Transform::Property::OFFSET_POLICY, Vector2(Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE))
1114 .Add(Toolkit::Visual::Transform::Property::ORIGIN, Toolkit::Align::TOP_BEGIN)
1115 .Add(Toolkit::Visual::Transform::Property::ANCHOR_POINT, Toolkit::Align::TOP_BEGIN);
1116 mVisual.SetTransformAndSize(visualTransform, size);
1118 if(mController->IsAutoScrollEnabled())
1120 SetUpAutoScrolling();
1123 mTextUpdateNeeded = false;
1126 if(mController->IsTextFitChanged())
1128 EmitTextFitChangedSignal();
1129 mController->SetTextFitChanged(false);
1133 void TextLabel::RequestTextRelayout()
1136 // Signal that a Relayout may be needed
1139 void TextLabel::SetUpAutoScrolling()
1141 const Size& controlSize = mController->GetView().GetControlSize();
1142 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.
1143 const Text::CharacterDirection direction = mController->GetAutoScrollDirection();
1145 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling textNaturalSize[%f,%f] controlSize[%f,%f]\n", textNaturalSize.x, textNaturalSize.y, controlSize.x, controlSize.y);
1149 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling Creating default TextScoller\n");
1151 // If speed, loopCount or gap not set via property system then will need to create a TextScroller with defaults
1152 mTextScroller = Text::TextScroller::New(*this);
1155 // Calculate the actual gap before scrolling wraps.
1156 int textPadding = std::max(controlSize.x - textNaturalSize.x, 0.0f);
1157 float wrapGap = std::max(mTextScroller->GetGap(), textPadding);
1158 Vector2 textureSize = textNaturalSize + Vector2(wrapGap, 0.0f); // Add the gap as a part of the texture
1160 // Create a texture of the text for scrolling
1161 Size verifiedSize = textureSize;
1162 const int maxTextureSize = Dali::GetMaxTextureSize();
1164 //if the texture size width exceed maxTextureSize, modify the visual model size and enabled the ellipsis
1165 bool actualellipsis = mController->IsTextElideEnabled();
1166 if(verifiedSize.width > maxTextureSize)
1168 verifiedSize.width = maxTextureSize;
1169 if(textNaturalSize.width > maxTextureSize)
1171 mController->SetTextElideEnabled(true);
1172 mController->SetAutoScrollMaxTextureExceeded(true);
1174 GetHeightForWidth(maxTextureSize);
1175 wrapGap = std::max(maxTextureSize - textNaturalSize.width, 0.0f);
1178 Text::TypesetterPtr typesetter = Text::Typesetter::New(mController->GetTextModel());
1180 PixelData data = typesetter->Render(verifiedSize, mController->GetTextDirection(), Text::Typesetter::RENDER_TEXT_AND_STYLES, true, Pixel::RGBA8888); // ignore the horizontal alignment
1181 Texture texture = Texture::New(Dali::TextureType::TEXTURE_2D,
1182 data.GetPixelFormat(),
1185 texture.Upload(data);
1187 TextureSet textureSet = TextureSet::New();
1188 textureSet.SetTexture(0u, texture);
1190 // Filter mode needs to be set to linear to produce better quality while scaling.
1191 Sampler sampler = Sampler::New();
1192 sampler.SetFilterMode(FilterMode::LINEAR, FilterMode::LINEAR);
1193 sampler.SetWrapMode(Dali::WrapMode::DEFAULT, Dali::WrapMode::REPEAT, Dali::WrapMode::DEFAULT); // Wrap the texture in the x direction
1194 textureSet.SetSampler(0u, sampler);
1196 // Set parameters for scrolling
1197 Renderer renderer = static_cast<Internal::Visual::Base&>(GetImplementation(mVisual)).GetRenderer();
1198 mTextScroller->SetParameters(Self(), renderer, textureSet, controlSize, verifiedSize, wrapGap, direction, mController->GetHorizontalAlignment(), mController->GetVerticalAlignment());
1199 mController->SetTextElideEnabled(actualellipsis);
1200 mController->SetAutoScrollMaxTextureExceeded(false);
1203 void TextLabel::ScrollingFinished()
1205 // Pure Virtual from TextScroller Interface
1206 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::ScrollingFinished\n");
1208 if(mController->IsAutoScrollEnabled() || !mController->IsMultiLineEnabled())
1210 mController->SetAutoScrollEnabled(false);
1211 RequestTextRelayout();
1215 void TextLabel::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1217 mController->ChangedLayoutDirection();
1220 void TextLabel::EmitTextFitChangedSignal()
1222 Dali::Toolkit::TextLabel handle(GetOwner());
1223 mTextFitChangedSignal.Emit(handle);
1226 void TextLabel::OnAccessibilityStatusChanged()
1228 CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
1231 TextLabel::TextLabel(ControlBehaviour additionalBehaviour)
1232 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT | additionalBehaviour)),
1233 mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1234 mTextUpdateNeeded(false),
1235 mLastAutoScrollEnabled(false)
1239 TextLabel::~TextLabel()
1243 Vector<Vector2> TextLabel::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
1245 return mController->GetTextSize(startIndex, endIndex);
1248 Vector<Vector2> TextLabel::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
1250 return mController->GetTextPosition(startIndex, endIndex);
1253 Rect<float> TextLabel::GetLineBoundingRectangle(const uint32_t lineIndex) const
1255 return mController->GetLineBoundingRectangle(lineIndex);
1258 Rect<float> TextLabel::GetCharacterBoundingRectangle(const uint32_t charIndex) const
1260 return mController->GetCharacterBoundingRectangle(charIndex);
1263 int TextLabel::GetCharacterIndexAtPosition(float visualX, float visualY) const
1265 return mController->GetCharacterIndexAtPosition(visualX, visualY);
1268 Rect<> TextLabel::GetTextBoundingRectangle(uint32_t startIndex, uint32_t endIndex) const
1270 return mController->GetTextBoundingRectangle(startIndex, endIndex);
1273 void TextLabel::SetSpannedText(const Text::Spanned& spannedText)
1275 mController->SetSpannedText(spannedText);
1278 std::string TextLabel::TextLabelAccessible::GetNameRaw() const
1280 return GetWholeText();
1283 Property::Index TextLabel::TextLabelAccessible::GetNamePropertyIndex()
1285 return Toolkit::TextLabel::Property::TEXT;
1288 const std::vector<Toolkit::TextAnchor>& TextLabel::TextLabelAccessible::GetTextAnchors() const
1290 auto self = Toolkit::TextLabel::DownCast(Self());
1292 return Toolkit::GetImpl(self).mAnchorActors;
1295 Toolkit::Text::ControllerPtr TextLabel::TextLabelAccessible::GetTextController() const
1297 auto self = Toolkit::TextLabel::DownCast(Self());
1299 return Toolkit::GetImpl(self).GetTextController();
1302 } // namespace Internal
1304 } // namespace Toolkit