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 impl.mLastAutoScrollEnabled = enableAutoScroll;
355 // If request to auto scroll is the same as current state then do nothing.
356 if(enableAutoScroll != impl.mController->IsAutoScrollEnabled())
358 // If request is disable (false) and auto scrolling is enabled then need to stop it
359 if(enableAutoScroll == false)
361 if(impl.mTextScroller)
363 impl.mTextScroller->StopScrolling();
366 // If request is enable (true) then start autoscroll as not already running
369 impl.mController->SetAutoScrollEnabled(enableAutoScroll);
374 case Toolkit::TextLabel::Property::AUTO_SCROLL_STOP_MODE:
376 Text::TextScrollerPtr textScroller = impl.GetTextScroller();
377 Toolkit::TextLabel::AutoScrollStopMode::Type stopMode = textScroller->GetStopMode();
378 if(Scripting::GetEnumerationProperty<Toolkit::TextLabel::AutoScrollStopMode::Type>(value,
379 AUTO_SCROLL_STOP_MODE_TABLE,
380 AUTO_SCROLL_STOP_MODE_TABLE_COUNT,
383 textScroller->SetStopMode(stopMode);
387 case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
389 impl.GetTextScroller()->SetSpeed(value.Get<int>());
392 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
394 impl.GetTextScroller()->SetLoopCount(value.Get<int>());
397 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
399 impl.GetTextScroller()->SetLoopDelay(value.Get<float>());
402 case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
404 impl.GetTextScroller()->SetGap(value.Get<float>());
407 case Toolkit::TextLabel::Property::LINE_SPACING:
409 const float lineSpacing = value.Get<float>();
410 impl.mTextUpdateNeeded = impl.mController->SetDefaultLineSpacing(lineSpacing) || impl.mTextUpdateNeeded;
413 case Toolkit::TextLabel::Property::UNDERLINE:
415 impl.mTextUpdateNeeded = SetUnderlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
418 case Toolkit::TextLabel::Property::SHADOW:
420 impl.mTextUpdateNeeded = SetShadowProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
423 case Toolkit::TextLabel::Property::EMBOSS:
425 impl.mTextUpdateNeeded = SetEmbossProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
428 case Toolkit::TextLabel::Property::OUTLINE:
430 impl.mTextUpdateNeeded = SetOutlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
433 case Toolkit::TextLabel::Property::PIXEL_SIZE:
435 const float pixelSize = value.Get<float>();
436 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p PIXEL_SIZE %f\n", impl.mController.Get(), pixelSize);
438 if(!Equals(impl.mController->GetDefaultFontSize(Text::Controller::PIXEL_SIZE), pixelSize))
440 impl.mController->SetDefaultFontSize(pixelSize, Text::Controller::PIXEL_SIZE);
444 case Toolkit::TextLabel::Property::ELLIPSIS:
446 const bool ellipsis = value.Get<bool>();
447 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p ELLIPSIS %d\n", impl.mController.Get(), ellipsis);
449 impl.mController->SetTextElideEnabled(ellipsis);
452 case Toolkit::TextLabel::Property::LINE_WRAP_MODE:
454 Text::LineWrap::Mode lineWrapMode(static_cast<Text::LineWrap::Mode>(-1)); // Set to invalid value to ensure a valid mode does get set
455 if(GetLineWrapModeEnumeration(value, lineWrapMode))
457 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p LineWrap::MODE %d\n", impl.mController.Get(), lineWrapMode);
458 impl.mController->SetLineWrapMode(lineWrapMode);
462 case Toolkit::DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT:
464 if(impl.mController->GetTextModel())
466 DevelText::VerticalLineAlignment::Type alignment = static_cast<DevelText::VerticalLineAlignment::Type>(value.Get<int>());
468 impl.mController->SetVerticalLineAlignment(alignment);
470 // Property doesn't affect the layout, only Visual must be updated
471 TextVisual::EnableRendererUpdate(impl.mVisual);
473 // No need to trigger full re-layout. Instead call UpdateRenderer() directly
474 TextVisual::UpdateRenderer(impl.mVisual);
478 case Toolkit::DevelTextLabel::Property::BACKGROUND:
480 impl.mTextUpdateNeeded = SetBackgroundProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
483 case Toolkit::DevelTextLabel::Property::IGNORE_SPACES_AFTER_TEXT:
485 impl.mController->SetIgnoreSpacesAfterText(value.Get<bool>());
488 case Toolkit::DevelTextLabel::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
490 impl.mController->SetMatchLayoutDirection(value.Get<bool>() ? DevelText::MatchLayoutDirection::LOCALE : DevelText::MatchLayoutDirection::CONTENTS);
493 case Toolkit::DevelTextLabel::Property::TEXT_FIT:
495 ParseTextFitProperty(impl.mController, value.GetMap());
496 impl.mController->SetTextFitChanged(true);
499 case Toolkit::DevelTextLabel::Property::MIN_LINE_SIZE:
501 const float lineSize = value.Get<float>();
502 impl.mTextUpdateNeeded = impl.mController->SetDefaultLineSize(lineSize) || impl.mTextUpdateNeeded;
505 case Toolkit::DevelTextLabel::Property::FONT_SIZE_SCALE:
507 const float scale = value.Get<float>();
508 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p FONT_SIZE_SCALE %f\n", impl.mController.Get(), scale);
510 if(!Equals(impl.mController->GetFontSizeScale(), scale))
512 impl.mController->SetFontSizeScale(scale);
516 case Toolkit::DevelTextLabel::Property::ENABLE_FONT_SIZE_SCALE:
518 const bool enableFontSizeScale = value.Get<bool>();
519 if(!Equals(impl.mController->IsFontSizeScaleEnabled(), enableFontSizeScale))
521 impl.mController->SetFontSizeScaleEnabled(enableFontSizeScale);
525 case Toolkit::DevelTextLabel::Property::ELLIPSIS_POSITION:
527 DevelText::EllipsisPosition::Type ellipsisPositionType(static_cast<DevelText::EllipsisPosition::Type>(-1)); // Set to invalid value to ensure a valid mode does get set
528 if(GetEllipsisPositionTypeEnumeration(value, ellipsisPositionType))
530 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel %p EllipsisPosition::Type %d\n", impl.mController.Get(), ellipsisPositionType);
531 impl.mController->SetEllipsisPosition(ellipsisPositionType);
535 case Toolkit::DevelTextLabel::Property::STRIKETHROUGH:
537 impl.mTextUpdateNeeded = SetStrikethroughProperties(impl.mController, value, Text::EffectStyle::DEFAULT) || impl.mTextUpdateNeeded;
540 case Toolkit::DevelTextLabel::Property::CHARACTER_SPACING:
542 const float characterSpacing = value.Get<float>();
543 impl.mController->SetCharacterSpacing(characterSpacing);
546 case Toolkit::DevelTextLabel::Property::RELATIVE_LINE_SIZE:
548 const float relativeLineSize = value.Get<float>();
549 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel %p RELATIVE_LINE_SIZE %f\n", impl.mController.Get(), relativeLineSize);
551 impl.mController->SetRelativeLineSize(relativeLineSize);
556 // Request relayout when text update is needed. It's necessary to call it
557 // as changing the property not via UI interaction brings no effect if only
558 // the mTextUpdateNeeded is changed.
559 if(impl.mTextUpdateNeeded)
561 // need to request relayout as size of text may have changed
562 impl.RequestTextRelayout();
567 Text::ControllerPtr TextLabel::GetTextController()
572 Property::Value TextLabel::GetProperty(BaseObject* object, Property::Index index)
574 Property::Value value;
576 Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(Dali::BaseHandle(object));
580 TextLabel& impl(GetImpl(label));
581 DALI_ASSERT_DEBUG(impl.mController && "No text contoller");
585 case Toolkit::DevelTextLabel::Property::RENDERING_BACKEND:
587 value = impl.mRenderingBackend;
590 case Toolkit::TextLabel::Property::TEXT:
593 impl.mController->GetText(text);
597 case Toolkit::TextLabel::Property::FONT_FAMILY:
599 value = impl.mController->GetDefaultFontFamily();
602 case Toolkit::TextLabel::Property::FONT_STYLE:
604 GetFontStyleProperty(impl.mController, value, Text::FontStyle::DEFAULT);
607 case Toolkit::TextLabel::Property::POINT_SIZE:
609 value = impl.mController->GetDefaultFontSize(Text::Controller::POINT_SIZE);
612 case Toolkit::TextLabel::Property::MULTI_LINE:
614 value = impl.mController->IsMultiLineEnabled();
617 case Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT:
619 const char* name = Text::GetHorizontalAlignmentString(impl.mController->GetHorizontalAlignment());
623 value = std::string(name);
627 case Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT:
629 const char* name = Text::GetVerticalAlignmentString(impl.mController->GetVerticalAlignment());
632 value = std::string(name);
636 case Toolkit::TextLabel::Property::ENABLE_MARKUP:
638 value = impl.mController->IsMarkupProcessorEnabled();
641 case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
643 value = impl.mController->IsAutoScrollEnabled();
646 case Toolkit::TextLabel::Property::AUTO_SCROLL_STOP_MODE:
648 if(impl.mTextScroller)
650 const char* mode = Scripting::GetEnumerationName<Toolkit::TextLabel::AutoScrollStopMode::Type>(impl.mTextScroller->GetStopMode(),
651 AUTO_SCROLL_STOP_MODE_TABLE,
652 AUTO_SCROLL_STOP_MODE_TABLE_COUNT);
655 value = std::string(mode);
660 case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
662 if(impl.mTextScroller)
664 value = impl.mTextScroller->GetSpeed();
668 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
670 if(impl.mTextScroller)
672 value = impl.mTextScroller->GetLoopCount();
676 case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
678 if(impl.mTextScroller)
680 value = impl.mTextScroller->GetLoopDelay();
684 case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
686 if(impl.mTextScroller)
688 value = impl.mTextScroller->GetGap();
692 case Toolkit::TextLabel::Property::LINE_SPACING:
694 value = impl.mController->GetDefaultLineSpacing();
697 case Toolkit::TextLabel::Property::UNDERLINE:
699 GetUnderlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
702 case Toolkit::TextLabel::Property::SHADOW:
704 GetShadowProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
707 case Toolkit::TextLabel::Property::EMBOSS:
709 GetEmbossProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
712 case Toolkit::TextLabel::Property::OUTLINE:
714 GetOutlineProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
717 case Toolkit::TextLabel::Property::PIXEL_SIZE:
719 value = impl.mController->GetDefaultFontSize(Text::Controller::PIXEL_SIZE);
722 case Toolkit::TextLabel::Property::ELLIPSIS:
724 value = impl.mController->IsTextElideEnabled();
727 case Toolkit::TextLabel::Property::LINE_WRAP_MODE:
729 value = impl.mController->GetLineWrapMode();
732 case Toolkit::TextLabel::Property::LINE_COUNT:
734 float width = label.GetProperty(Actor::Property::SIZE_WIDTH).Get<float>();
735 value = impl.mController->GetLineCount(width);
738 case Toolkit::DevelTextLabel::Property::TEXT_DIRECTION:
740 value = impl.mController->GetTextDirection();
743 case Toolkit::DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT:
745 value = impl.mController->GetVerticalLineAlignment();
748 case Toolkit::DevelTextLabel::Property::BACKGROUND:
750 GetBackgroundProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
753 case Toolkit::DevelTextLabel::Property::IGNORE_SPACES_AFTER_TEXT:
755 value = impl.mController->IsIgnoreSpacesAfterText();
758 case Toolkit::DevelTextLabel::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
760 value = impl.mController->GetMatchLayoutDirection() != DevelText::MatchLayoutDirection::CONTENTS;
763 case Toolkit::DevelTextLabel::Property::TEXT_FIT:
765 const bool enabled = impl.mController->IsTextFitEnabled();
766 const float minSize = impl.mController->GetTextFitMinSize();
767 const float maxSize = impl.mController->GetTextFitMaxSize();
768 const float stepSize = impl.mController->GetTextFitStepSize();
769 const float pointSize = impl.mController->GetTextFitPointSize();
772 map.Insert(TEXT_FIT_ENABLE_KEY, enabled);
773 map.Insert(TEXT_FIT_MIN_SIZE_KEY, minSize);
774 map.Insert(TEXT_FIT_MAX_SIZE_KEY, maxSize);
775 map.Insert(TEXT_FIT_STEP_SIZE_KEY, stepSize);
776 map.Insert(TEXT_FIT_FONT_SIZE_KEY, pointSize);
777 map.Insert(TEXT_FIT_FONT_SIZE_TYPE_KEY, "pointSize");
782 case Toolkit::DevelTextLabel::Property::MIN_LINE_SIZE:
784 value = impl.mController->GetDefaultLineSize();
787 case Toolkit::DevelTextLabel::Property::FONT_SIZE_SCALE:
789 value = impl.mController->GetFontSizeScale();
792 case Toolkit::DevelTextLabel::Property::ENABLE_FONT_SIZE_SCALE:
794 value = impl.mController->IsFontSizeScaleEnabled();
797 case Toolkit::DevelTextLabel::Property::ELLIPSIS_POSITION:
799 value = impl.mController->GetEllipsisPosition();
802 case Toolkit::DevelTextLabel::Property::STRIKETHROUGH:
804 GetStrikethroughProperties(impl.mController, value, Text::EffectStyle::DEFAULT);
807 case Toolkit::DevelTextLabel::Property::CHARACTER_SPACING:
809 value = impl.mController->GetCharacterSpacing();
812 case Toolkit::DevelTextLabel::Property::RELATIVE_LINE_SIZE:
814 value = impl.mController->GetRelativeLineSize();
823 bool TextLabel::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
825 Dali::BaseHandle handle(object);
827 bool connected(true);
828 Toolkit::TextLabel label = Toolkit::TextLabel::DownCast(handle);
830 if(0 == strcmp(signalName.c_str(), SIGNAL_ANCHOR_CLICKED))
834 Internal::TextLabel& labelImpl(GetImpl(label));
835 labelImpl.AnchorClickedSignal().Connect(tracker, functor);
838 else if(0 == strcmp(signalName.c_str(), SIGNAL_TEXT_FIT_CHANGED))
842 Internal::TextLabel& labelImpl(GetImpl(label));
843 labelImpl.TextFitChangedSignal().Connect(tracker, functor);
848 // signalName does not match any signal
855 DevelTextLabel::AnchorClickedSignalType& TextLabel::AnchorClickedSignal()
857 return mAnchorClickedSignal;
860 DevelTextLabel::TextFitChangedSignalType& TextLabel::TextFitChangedSignal()
862 return mTextFitChangedSignal;
865 void TextLabel::OnInitialize()
869 Property::Map propertyMap;
870 propertyMap.Add(Toolkit::Visual::Property::TYPE, Toolkit::Visual::TEXT);
872 mVisual = Toolkit::VisualFactory::Get().CreateVisual(propertyMap);
873 DevelControl::RegisterVisual(*this, Toolkit::TextLabel::Property::TEXT, mVisual);
875 TextVisual::SetAnimatableTextColorProperty(mVisual, Toolkit::TextLabel::Property::TEXT_COLOR);
877 mController = TextVisual::GetController(mVisual);
878 DALI_ASSERT_DEBUG(mController && "Invalid Text Controller")
880 mController->SetControlInterface(this);
881 mController->SetAnchorControlInterface(this);
883 // Use height-for-width negotiation by default
884 self.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
885 self.SetResizePolicy(ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT);
887 // Enable the text ellipsis.
888 mController->SetTextElideEnabled(true); // If false then text larger than control will overflow
890 // Sets layoutDirection value
891 Dali::Stage stage = Dali::Stage::GetCurrent();
892 Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>(stage.GetRootLayer().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get<int>());
893 mController->SetLayoutDirection(layoutDirection);
895 self.LayoutDirectionChangedSignal().Connect(this, &TextLabel::OnLayoutDirectionChanged);
897 Layout::Engine& engine = mController->GetLayoutEngine();
898 engine.SetCursorWidth(0u); // Do not layout space for the cursor.
901 self.SetProperty(DevelControl::Property::ACCESSIBILITY_ROLE, Dali::Accessibility::Role::LABEL);
902 self.SetProperty(DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
904 Accessibility::Bridge::EnabledSignal().Connect(this, &TextLabel::OnAccessibilityStatusChanged);
905 Accessibility::Bridge::DisabledSignal().Connect(this, &TextLabel::OnAccessibilityStatusChanged);
908 DevelControl::ControlAccessible* TextLabel::CreateAccessibleObject()
910 return new TextLabelAccessible(Self());
913 void TextLabel::OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change)
915 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnStyleChange\n");
919 case StyleChange::DEFAULT_FONT_CHANGE:
921 // Property system did not set the font so should update it.
922 const std::string& newFont = GetImpl(styleManager).GetDefaultFontFamily();
923 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnStyleChange StyleChange::DEFAULT_FONT_CHANGE newFont(%s)\n", newFont.c_str());
924 mController->UpdateAfterFontChange(newFont);
928 case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
930 GetImpl(styleManager).ApplyThemeStyle(Toolkit::Control(GetOwner()));
934 case StyleChange::THEME_CHANGE:
936 // Nothing to do, let control base class handle this
941 // Up call to Control
942 Control::OnStyleChange(styleManager, change);
945 void TextLabel::OnTap(const TapGesture& gesture)
947 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnTap %p\n", mController.Get());
949 // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
951 padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
952 const Vector2& localPoint = gesture.GetLocalPoint();
953 mController->AnchorEvent(localPoint.x - padding.start, localPoint.y - padding.top);
956 void TextLabel::AnchorClicked(const std::string& href)
958 Dali::Toolkit::TextLabel handle(GetOwner());
959 mAnchorClickedSignal.Emit(handle, href.c_str(), href.length());
962 Vector3 TextLabel::GetNaturalSize()
965 padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
967 Vector3 naturalSize = mController->GetNaturalSize();
968 naturalSize.width += (padding.start + padding.end);
969 naturalSize.height += (padding.top + padding.bottom);
974 float TextLabel::GetHeightForWidth(float width)
977 padding = Self().GetProperty<Extents>(Toolkit::Control::Property::PADDING);
979 return mController->GetHeightForWidth(width) + padding.top + padding.bottom;
982 void TextLabel::OnPropertySet(Property::Index index, const Property::Value& propertyValue)
984 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "TextLabel::OnPropertySet index[%d]\n", index);
988 case Toolkit::TextLabel::Property::TEXT_COLOR:
990 const Vector4& textColor = propertyValue.Get<Vector4>();
991 if(mController->GetDefaultColor() != textColor)
993 mController->SetDefaultColor(textColor);
994 mTextUpdateNeeded = true;
998 case Toolkit::TextLabel::Property::TEXT:
999 case Toolkit::TextLabel::Property::ENABLE_MARKUP:
1001 CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
1006 Control::OnPropertySet(index, propertyValue); // up call to control for non-handled properties
1012 void TextLabel::OnSceneConnection(int depth)
1014 if(mController->IsAutoScrollEnabled() || mLastAutoScrollEnabled)
1016 mController->SetAutoScrollEnabled(true);
1018 Control::OnSceneConnection(depth);
1021 void TextLabel::OnSceneDisconnection()
1025 if(mLastAutoScrollEnabled && !mController->IsAutoScrollEnabled())
1027 mLastAutoScrollEnabled = false;
1030 const Toolkit::TextLabel::AutoScrollStopMode::Type stopMode = mTextScroller->GetStopMode();
1031 mTextScroller->SetStopMode(Toolkit::TextLabel::AutoScrollStopMode::IMMEDIATE);
1032 mTextScroller->StopScrolling();
1033 mTextScroller->SetStopMode(stopMode);
1035 Control::OnSceneDisconnection();
1038 void TextLabel::OnRelayout(const Vector2& size, RelayoutContainer& container)
1040 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnRelayout\n");
1042 Actor self = Self();
1045 padding = self.GetProperty<Extents>(Toolkit::Control::Property::PADDING);
1047 Vector2 contentSize(size.x - (padding.start + padding.end), size.y - (padding.top + padding.bottom));
1049 if(mController->IsTextFitEnabled())
1051 mController->FitPointSizeforLayout(contentSize);
1052 mController->SetTextFitContentSize(contentSize);
1055 // Support Right-To-Left
1056 Dali::LayoutDirection::Type layoutDirection = mController->GetLayoutDirection(self);
1058 const Text::Controller::UpdateTextType updateTextType = mController->Relayout(contentSize, layoutDirection);
1060 if((Text::Controller::NONE_UPDATED != (Text::Controller::MODEL_UPDATED & updateTextType)) || mTextUpdateNeeded)
1062 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::OnRelayout IsAutoScrollEnabled[%s] [%p]\n", (mController->IsAutoScrollEnabled()) ? "true" : "false", this);
1064 // Update the visual
1065 TextVisual::EnableRendererUpdate(mVisual);
1067 // Support Right-To-Left of padding
1068 if(Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection)
1070 std::swap(padding.start, padding.end);
1073 // Calculate the size of the visual that can fit the text
1074 Size layoutSize = mController->GetTextModel()->GetLayoutSize();
1075 layoutSize.x = contentSize.x;
1077 const Vector2& shadowOffset = mController->GetTextModel()->GetShadowOffset();
1078 if(shadowOffset.y > Math::MACHINE_EPSILON_1)
1080 layoutSize.y += shadowOffset.y;
1083 float outlineWidth = mController->GetTextModel()->GetOutlineWidth();
1084 layoutSize.y += outlineWidth * 2.0f;
1085 layoutSize.y = std::min(layoutSize.y, contentSize.y);
1087 // Calculate the offset for vertical alignment only, as the layout engine will do the horizontal alignment.
1088 Vector2 alignmentOffset;
1089 alignmentOffset.x = 0.0f;
1090 alignmentOffset.y = (contentSize.y - layoutSize.y) * VERTICAL_ALIGNMENT_TABLE[mController->GetVerticalAlignment()];
1092 const int maxTextureSize = Dali::GetMaxTextureSize();
1093 if(layoutSize.width > maxTextureSize)
1095 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);
1096 layoutSize.width = maxTextureSize;
1099 Property::Map visualTransform;
1100 visualTransform.Add(Toolkit::Visual::Transform::Property::SIZE, layoutSize)
1101 .Add(Toolkit::Visual::Transform::Property::SIZE_POLICY, Vector2(Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE))
1102 .Add(Toolkit::Visual::Transform::Property::OFFSET, Vector2(padding.start, padding.top) + alignmentOffset)
1103 .Add(Toolkit::Visual::Transform::Property::OFFSET_POLICY, Vector2(Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE))
1104 .Add(Toolkit::Visual::Transform::Property::ORIGIN, Toolkit::Align::TOP_BEGIN)
1105 .Add(Toolkit::Visual::Transform::Property::ANCHOR_POINT, Toolkit::Align::TOP_BEGIN);
1106 mVisual.SetTransformAndSize(visualTransform, size);
1108 if(mController->IsAutoScrollEnabled())
1110 SetUpAutoScrolling();
1113 mTextUpdateNeeded = false;
1116 if(mController->IsTextFitChanged())
1118 EmitTextFitChangedSignal();
1119 mController->SetTextFitChanged(false);
1123 void TextLabel::RequestTextRelayout()
1126 // Signal that a Relayout may be needed
1129 void TextLabel::SetUpAutoScrolling()
1131 const Size& controlSize = mController->GetView().GetControlSize();
1132 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.
1133 const Text::CharacterDirection direction = mController->GetAutoScrollDirection();
1135 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling textNaturalSize[%f,%f] controlSize[%f,%f]\n", textNaturalSize.x, textNaturalSize.y, controlSize.x, controlSize.y);
1139 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling Creating default TextScoller\n");
1141 // If speed, loopCount or gap not set via property system then will need to create a TextScroller with defaults
1142 mTextScroller = Text::TextScroller::New(*this);
1145 // Calculate the actual gap before scrolling wraps.
1146 int textPadding = std::max(controlSize.x - textNaturalSize.x, 0.0f);
1147 float wrapGap = std::max(mTextScroller->GetGap(), textPadding);
1148 Vector2 textureSize = textNaturalSize + Vector2(wrapGap, 0.0f); // Add the gap as a part of the texture
1150 // Create a texture of the text for scrolling
1151 Size verifiedSize = textureSize;
1152 const int maxTextureSize = Dali::GetMaxTextureSize();
1154 //if the texture size width exceed maxTextureSize, modify the visual model size and enabled the ellipsis
1155 bool actualellipsis = mController->IsTextElideEnabled();
1156 if(verifiedSize.width > maxTextureSize)
1158 verifiedSize.width = maxTextureSize;
1159 if(textNaturalSize.width > maxTextureSize)
1161 mController->SetTextElideEnabled(true);
1162 mController->SetAutoScrollMaxTextureExceeded(true);
1164 GetHeightForWidth(maxTextureSize);
1165 wrapGap = std::max(maxTextureSize - textNaturalSize.width, 0.0f);
1168 Text::TypesetterPtr typesetter = Text::Typesetter::New(mController->GetTextModel());
1170 PixelData data = typesetter->Render(verifiedSize, mController->GetTextDirection(), Text::Typesetter::RENDER_TEXT_AND_STYLES, true, Pixel::RGBA8888); // ignore the horizontal alignment
1171 Texture texture = Texture::New(Dali::TextureType::TEXTURE_2D,
1172 data.GetPixelFormat(),
1175 texture.Upload(data);
1177 TextureSet textureSet = TextureSet::New();
1178 textureSet.SetTexture(0u, texture);
1180 // Filter mode needs to be set to linear to produce better quality while scaling.
1181 Sampler sampler = Sampler::New();
1182 sampler.SetFilterMode(FilterMode::LINEAR, FilterMode::LINEAR);
1183 sampler.SetWrapMode(Dali::WrapMode::DEFAULT, Dali::WrapMode::REPEAT, Dali::WrapMode::DEFAULT); // Wrap the texture in the x direction
1184 textureSet.SetSampler(0u, sampler);
1186 // Set parameters for scrolling
1187 Renderer renderer = static_cast<Internal::Visual::Base&>(GetImplementation(mVisual)).GetRenderer();
1188 mTextScroller->SetParameters(Self(), renderer, textureSet, controlSize, verifiedSize, wrapGap, direction, mController->GetHorizontalAlignment(), mController->GetVerticalAlignment());
1189 mController->SetTextElideEnabled(actualellipsis);
1190 mController->SetAutoScrollMaxTextureExceeded(false);
1193 void TextLabel::ScrollingFinished()
1195 // Pure Virtual from TextScroller Interface
1196 DALI_LOG_INFO(gLogFilter, Debug::General, "TextLabel::ScrollingFinished\n");
1197 mController->SetAutoScrollEnabled(false);
1198 RequestTextRelayout();
1201 void TextLabel::OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type)
1203 mController->ChangedLayoutDirection();
1206 void TextLabel::EmitTextFitChangedSignal()
1208 Dali::Toolkit::TextLabel handle(GetOwner());
1209 mTextFitChangedSignal.Emit(handle);
1212 void TextLabel::OnAccessibilityStatusChanged()
1214 CommonTextUtils::SynchronizeTextAnchorsInParent(Self(), mController, mAnchorActors);
1217 TextLabel::TextLabel(ControlBehaviour additionalBehavior)
1218 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT | additionalBehavior)),
1219 mRenderingBackend(DEFAULT_RENDERING_BACKEND),
1220 mTextUpdateNeeded(false),
1221 mLastAutoScrollEnabled(false)
1225 TextLabel::~TextLabel()
1229 Vector<Vector2> TextLabel::GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const
1231 return mController->GetTextSize(startIndex, endIndex);
1234 Vector<Vector2> TextLabel::GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const
1236 return mController->GetTextPosition(startIndex, endIndex);
1239 Rect<float> TextLabel::GetLineBoundingRectangle(const uint32_t lineIndex) const
1241 return mController->GetLineBoundingRectangle(lineIndex);
1244 Rect<float> TextLabel::GetCharacterBoundingRectangle(const uint32_t charIndex) const
1246 return mController->GetCharacterBoundingRectangle(charIndex);
1249 std::string TextLabel::TextLabelAccessible::GetNameRaw() const
1251 return GetWholeText();
1254 Property::Index TextLabel::TextLabelAccessible::GetNamePropertyIndex()
1256 return Toolkit::TextLabel::Property::TEXT;
1259 const std::vector<Toolkit::TextAnchor>& TextLabel::TextLabelAccessible::GetTextAnchors() const
1261 auto self = Toolkit::TextLabel::DownCast(Self());
1263 return Toolkit::GetImpl(self).mAnchorActors;
1266 Toolkit::Text::ControllerPtr TextLabel::TextLabelAccessible::GetTextController() const
1268 auto self = Toolkit::TextLabel::DownCast(Self());
1270 return Toolkit::GetImpl(self).GetTextController();
1273 } // namespace Internal
1275 } // namespace Toolkit