2 * Copyright (c) 2021 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/slider/slider-impl.h>
22 #include <dali/public-api/events/touch-event.h>
23 #include <dali/public-api/object/type-registry-helper.h>
24 #include <dali/public-api/object/type-registry.h>
25 #include <cstring> // for strcmp
30 #include <dali-toolkit/devel-api/asset-manager/asset-manager.h>
31 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
32 #include <dali-toolkit/public-api/controls/control-impl.h>
33 #include <dali-toolkit/public-api/controls/image-view/image-view.h>
34 #include <dali-toolkit/public-api/visuals/image-visual-properties.h>
44 namespace // Unnamed namespace
48 return Dali::Toolkit::Slider::New();
52 // Setup properties, signals and actions using the type-registry.
53 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::Slider, Toolkit::Control, Create )
55 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "lowerBound", FLOAT, LOWER_BOUND )
56 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "upperBound", FLOAT, UPPER_BOUND )
57 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "value", FLOAT, VALUE )
58 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "trackVisual", MAP, TRACK_VISUAL )
59 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "handleVisual", MAP, HANDLE_VISUAL )
60 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "progressVisual", MAP, PROGRESS_VISUAL )
61 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "popupVisual", MAP, POPUP_VISUAL )
62 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "popupArrowVisual", MAP, POPUP_ARROW_VISUAL)
63 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "disabledColor", VECTOR4, DISABLED_COLOR )
64 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "valuePrecision", INTEGER, VALUE_PRECISION )
65 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "showPopup", BOOLEAN, SHOW_POPUP )
66 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "showValue", BOOLEAN, SHOW_VALUE )
67 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "marks", ARRAY, MARKS )
68 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "snapToMarks", BOOLEAN, SNAP_TO_MARKS )
69 DALI_PROPERTY_REGISTRATION(Toolkit, Slider, "markTolerance", FLOAT, MARK_TOLERANCE )
71 DALI_SIGNAL_REGISTRATION(Toolkit, Slider, "valueChanged", SIGNAL_VALUE_CHANGED)
72 DALI_SIGNAL_REGISTRATION(Toolkit, Slider, "mark", SIGNAL_MARK )
74 DALI_TYPE_REGISTRATION_END()
77 const float MARK_SNAP_TOLERANCE = 0.05f; // 5% of slider width
79 const int VALUE_VIEW_SHOW_DURATION = 1000; // millisec
80 const int VALUE_VIEW_SHOW_DURATION_LONG = 2000; // millisec
82 const float VALUE_VERTICAL_OFFSET = 48.0f;
84 const float DEFAULT_WIDTH = 0.0f;
85 const float DEFAULT_HEIGHT = 27.0f;
86 const float DEFAULT_HIT_HEIGHT = 72.0f;
87 const float DEFAULT_HANDLE_HEIGHT = DEFAULT_HIT_HEIGHT;
88 const float POPUP_TEXT_PADDING = 10.0f;
90 const char* SKINNED_TRACK_VISUAL_FILE_NAME = "slider-skin.9.png";
91 const char* SKINNED_HANDLE_VISUAL_FILE_NAME = "slider-skin-handle.png";
92 const char* SKINNED_PROGRESS_VISUAL_FILE_NAME = "slider-skin-progress.9.png";
93 const char* SKINNED_POPUP_VISUAL_FILE_NAME = "slider-popup.9.png";
94 const char* SKINNED_POPUP_ARROW_VISUAL_FILE_NAME = "slider-popup-arrow.png";
96 const Vector2 DEFAULT_HIT_REGION(DEFAULT_WIDTH, DEFAULT_HIT_HEIGHT);
97 const Vector2 DEFAULT_TRACK_REGION(DEFAULT_WIDTH, DEFAULT_HEIGHT);
98 const Vector2 DEFAULT_HANDLE_SIZE(DEFAULT_HANDLE_HEIGHT, DEFAULT_HANDLE_HEIGHT);
100 const Vector4 DEFAULT_DISABLED_COLOR(0.5f, 0.5f, 0.5f, 1.0f);
102 const float VALUE_POPUP_MARGIN = 10.0f;
103 const float VALUE_POPUP_HEIGHT = 81.0f;
104 const float VALUE_POPUP_MIN_WIDTH = 54.0f;
106 const float DEFAULT_LOWER_BOUND = 0.0f;
107 const float DEFAULT_UPPER_BOUND = 1.0f;
108 const float DEFAULT_VALUE = 0.0f;
109 const int DEFAULT_VALUE_PRECISION = 0;
110 const bool DEFAULT_SHOW_POPUP = false;
111 const bool DEFAULT_SHOW_VALUE = true;
112 const bool DEFAULT_ENABLED = true;
113 const bool DEFAULT_SNAP_TO_MARKS = false;
115 } // Unnamed namespace
117 ///////////////////////////////////////////////////////////////////////////////////////////////////
119 ///////////////////////////////////////////////////////////////////////////////////////////////////
121 Dali::Toolkit::Slider Slider::New()
123 // Create the implementation
124 SliderPtr slider(new Slider());
126 // Pass ownership to CustomActor via derived handle
127 Dali::Toolkit::Slider handle(*slider);
129 // Second-phase init of the implementation
130 // This can only be done after the CustomActor connection has been made...
131 slider->Initialize();
137 : Control(ControlBehaviour(CONTROL_BEHAVIOUR_DEFAULT)),
140 mPopupArrowVisual(""),
148 mDisabledColor(0.0f, 0.0f, 0.0f, 0.0f),
149 mHitRegion(0.0f, 0.0f),
150 mTrackRegion(0.0f, 0.0f),
151 mHandleSize(0.0f, 0.0f),
155 mMarkTolerance(0.0f),
167 void Slider::OnInitialize()
175 SetHitRegion(DEFAULT_HIT_REGION);
176 SetTrackRegion(DEFAULT_TRACK_REGION);
177 SetHandleSize(DEFAULT_HANDLE_SIZE);
179 const std::string imageDirPath = AssetManager::GetDaliImagePath();
180 SetTrackVisual(imageDirPath + SKINNED_TRACK_VISUAL_FILE_NAME);
181 SetHandleVisual(imageDirPath + SKINNED_HANDLE_VISUAL_FILE_NAME);
182 SetProgressVisual(imageDirPath + SKINNED_PROGRESS_VISUAL_FILE_NAME);
183 SetPopupVisual(imageDirPath + SKINNED_POPUP_VISUAL_FILE_NAME);
184 SetPopupArrowVisual(imageDirPath + SKINNED_POPUP_ARROW_VISUAL_FILE_NAME);
186 SetShowPopup(DEFAULT_SHOW_POPUP);
187 SetShowValue(DEFAULT_SHOW_VALUE);
189 SetEnabled(DEFAULT_ENABLED);
190 SetDisabledColor(DEFAULT_DISABLED_COLOR);
192 SetSnapToMarks(DEFAULT_SNAP_TO_MARKS);
193 SetMarkTolerance(MARK_SNAP_TOLERANCE);
195 SetLowerBound(DEFAULT_LOWER_BOUND);
196 SetUpperBound(DEFAULT_UPPER_BOUND);
198 SetValuePrecision(DEFAULT_VALUE_PRECISION);
199 mValue = DEFAULT_VALUE;
200 DisplayValue(mValue, false); // Run this last to display the correct value
202 // Size the Slider actor to a default
203 self.SetProperty(Actor::Property::SIZE, Vector2(DEFAULT_HIT_REGION.x, DEFAULT_HIT_REGION.y));
205 // Set the Slider to be highlightable in Screen Reader mode
206 self.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, true);
208 // Connect to the touch signal
209 self.TouchedSignal().Connect(this, &Slider::OnTouch);
211 DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
212 return std::unique_ptr<Dali::Accessibility::Accessible>(
213 new AccessibleImpl(actor, Dali::Accessibility::Role::SLIDER));
217 void Slider::OnRelayout(const Vector2& size, RelayoutContainer& container)
219 SetHitRegion(Vector2(size.x, GetHitRegion().y));
220 // Factor in handle overshoot into size of backing
221 SetTrackRegion(Vector2(size.x - GetHandleSize().x, GetTrackRegion().y));
222 Control::OnRelayout(size, container);
225 bool Slider::OnTouch(Actor actor, const TouchEvent& touch)
227 if(mState != DISABLED)
229 const PointState::Type touchState = touch.GetState(0);
231 if(touchState == PointState::DOWN)
235 float percentage = MapPercentage(touch.GetLocalPosition(0));
236 float value = MapBounds((GetSnapToMarks()) ? SnapToMark(percentage) : MarkFilter(percentage), GetLowerBound(), GetUpperBound());
240 else if(touchState == PointState::UP)
242 if(mState == PRESSED)
245 mSlidingFinishedSignal.Emit(Toolkit::Slider::DownCast(Self()), GetValue());
253 void Slider::OnPan(Actor actor, const PanGesture& gesture)
255 // gesture.position is in local actor coordinates
256 if(mState != DISABLED)
258 switch(gesture.GetState())
260 case GestureState::CONTINUING:
262 if(mState == PRESSED)
264 float value = MapBounds(MarkFilter(MapPercentage(gesture.GetPosition())), GetLowerBound(), GetUpperBound());
270 case GestureState::FINISHED:
272 if(mState == PRESSED)
276 float value = MapBounds(SnapToMark(MapPercentage(gesture.GetPosition())), GetLowerBound(), GetUpperBound());
280 mSlidingFinishedSignal.Emit(Toolkit::Slider::DownCast(Self()), GetValue());
294 float Slider::HitSpaceToDomain(float x)
296 float halfRegionWidth = GetHitRegion().x * 0.5f;
297 float halfDomainWidth = (mDomain.to.x - mDomain.from.x) * 0.5f;
298 float endDiff = halfRegionWidth - halfDomainWidth;
303 float Slider::MapPercentage(const Vector2& point)
305 return Clamp((HitSpaceToDomain(point.x) - mDomain.from.x) / (mDomain.to.x - mDomain.from.x), 0.0f, 1.0f);
308 float Slider::MapValuePercentage(float value)
310 return (value - GetLowerBound()) / (GetUpperBound() - GetLowerBound());
313 float Slider::MapBounds(float percent, float lowerBound, float upperBound)
315 return lowerBound + percent * (upperBound - lowerBound);
318 Slider::Domain Slider::CalcDomain(const Vector2& currentSize)
320 return Domain(Vector2(0.0f, 0.0f), currentSize);
323 void Slider::DisplayValue(float value, bool raiseSignals)
325 float clampedValue = Clamp(value, GetLowerBound(), GetUpperBound());
327 float percent = MapValuePercentage(clampedValue);
329 float x = mDomain.from.x + percent * (mDomain.to.x - mDomain.from.x);
331 mHandle.SetProperty(Actor::Property::POSITION_X, x);
336 mProgress.SetProperty(Actor::Property::SIZE, Vector2(x, GetTrackRegion().y));
342 Toolkit::Slider self = Toolkit::Slider::DownCast(Self());
343 mValueChangedSignal.Emit(self, clampedValue);
346 if(MarkReached(percent, markIndex))
348 mMarkReachedSignal.Emit(self, markIndex);
352 if(mHandleValueTextLabel)
354 std::stringstream ss;
355 ss.precision(GetValuePrecision());
356 ss << std::fixed << clampedValue;
358 std::string label = mHandleValueTextLabel.GetProperty<std::string>(Toolkit::TextLabel::Property::TEXT);
359 if(label.compare(ss.str()))
361 mHandleValueTextLabel.SetProperty(Toolkit::TextLabel::Property::TEXT, ss.str());
366 void Slider::SetMarks(const MarkList& marks)
371 const Slider::MarkList& Slider::GetMarks() const
376 void Slider::SetSnapToMarks(bool snap)
381 bool Slider::GetSnapToMarks() const
386 Actor Slider::CreateHitRegion()
388 Actor hitRegion = Actor::New();
389 hitRegion.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
390 hitRegion.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
391 hitRegion.TouchedSignal().Connect(this, &Slider::OnTouch);
396 Toolkit::ImageView Slider::CreateTrack()
398 Toolkit::ImageView track = Toolkit::ImageView::New();
399 track.SetProperty(Dali::Actor::Property::NAME, "SliderTrack");
400 track.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
401 track.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
405 void Slider::SetTrackVisual(const std::string& filename)
407 if(mHandle && (filename.size() > 0))
409 mTrack.SetImage(filename);
410 mTrackVisual = filename;
414 void Slider::SetTrackVisual(Property::Map map)
416 Property::Value* imageValue = map.Find("url");
419 mTrackVisual.clear();
420 std::string filename;
421 if(imageValue->Get(filename))
423 if(mTrack && (filename.size() > 0))
425 mTrack.SetImage(filename);
431 Property::Value* sizeValue = map.Find("size");
435 if(sizeValue->Get(size))
440 mTrack.SetProperty(Actor::Property::SIZE, mTrackRegion);
443 ResizeProgressRegion(Vector2(0.0f, mTrackRegion.y));
445 mDomain = CalcDomain(mTrackRegion);
447 // Set the progress bar to correct width
448 DisplayValue(GetValue(), false);
453 std::string Slider::GetTrackVisual()
458 Toolkit::ImageView Slider::CreateProgress()
460 Toolkit::ImageView progress = Toolkit::ImageView::New();
461 progress.SetProperty(Dali::Actor::Property::NAME, "SliderProgress");
462 progress.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER_LEFT);
463 progress.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER_LEFT);
468 void Slider::SetProgressVisual(const std::string& filename)
470 if(mProgress && (filename.size() > 0))
472 mProgress.SetImage(filename);
473 mProgressVisual = filename;
477 void Slider::SetProgressVisual(Property::Map map)
479 Property::Value* imageValue = map.Find("url");
482 mProgressVisual.clear();
483 std::string filename;
484 if(imageValue->Get(filename))
486 if(mProgress && (filename.size() > 0))
488 mProgress.SetImage(filename);
495 std::string Slider::GetProgressVisual()
497 return mProgressVisual;
500 void Slider::SetPopupVisual(const std::string& filename)
502 mPopupVisual = filename;
505 void Slider::SetPopupVisual(Property::Map map)
507 Property::Value* imageValue = map.Find("url");
510 mPopupVisual.clear();
511 std::string filename;
512 if(imageValue->Get(filename))
514 if(mPopup && (filename.size() > 0))
516 mPopup.SetImage(filename);
523 std::string Slider::GetPopupVisual()
528 void Slider::CreatePopupImage(const std::string& filename)
530 if(mPopup && (filename.size() > 0))
533 map[Toolkit::ImageVisual::Property::URL] = filename;
534 mPopup.SetProperty(Toolkit::ImageView::Property::IMAGE, map);
538 void Slider::SetPopupArrowVisual(const std::string& filename)
540 mPopupArrowVisual = filename;
543 void Slider::SetPopupArrowVisual(Property::Map map)
545 Property::Value* imageValue = map.Find("url");
548 mPopupArrowVisual.clear();
549 std::string filename;
550 if(imageValue->Get(filename))
552 if(mPopupArrow && (filename.size() > 0))
554 mPopupArrow.SetImage(filename);
555 mPopupArrowMap = map;
561 std::string Slider::GetPopupArrowVisual()
563 return mPopupArrowVisual;
566 void Slider::CreatePopupArrowImage(const std::string& filename)
568 if(mPopupArrow && (filename.size() > 0))
571 map[Toolkit::ImageVisual::Property::URL] = filename;
572 mPopupArrow.SetProperty(Toolkit::ImageView::Property::IMAGE, map);
576 void Slider::ResizeProgressRegion(const Vector2& region)
580 mProgress.SetProperty(Actor::Property::SIZE, region);
584 Toolkit::ImageView Slider::CreateHandle()
586 Toolkit::ImageView handle = Toolkit::ImageView::New();
587 handle.SetProperty(Dali::Actor::Property::NAME, "SliderHandle");
588 handle.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER_LEFT);
589 handle.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
594 Toolkit::ImageView Slider::CreatePopupArrow()
596 Toolkit::ImageView arrow = Toolkit::ImageView::New();
597 arrow.SetStyleName("SliderPopupArrow");
598 arrow.SetProperty(Dali::Actor::Property::NAME, "SliderPopupArrow");
599 arrow.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
600 arrow.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
605 Toolkit::TextLabel Slider::CreatePopupText()
607 Toolkit::TextLabel textLabel = Toolkit::TextLabel::New();
608 textLabel.SetProperty(Dali::Actor::Property::NAME, "SliderPopupTextLabel");
609 textLabel.SetStyleName("SliderPopupTextLabel");
610 textLabel.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
611 textLabel.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
612 textLabel.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS);
613 textLabel.SetProperty(Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER");
614 textLabel.SetProperty(Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER");
615 textLabel.SetProperty(Actor::Property::PADDING, Padding(POPUP_TEXT_PADDING, POPUP_TEXT_PADDING, 0.0f, 0.0f));
616 textLabel.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, false);
620 Toolkit::ImageView Slider::CreatePopup()
622 Toolkit::ImageView popup = Toolkit::ImageView::New();
623 popup.SetProperty(Dali::Actor::Property::NAME, "SliderPopup");
624 popup.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER);
625 popup.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
626 popup.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::WIDTH);
628 mValueTextLabel = CreatePopupText();
629 popup.Add(mValueTextLabel);
634 void Slider::SetHandleVisual(const std::string& filename)
636 if(mHandle && (filename.size() > 0))
638 mHandle.SetImage(filename);
639 mHandleVisual = filename;
643 void Slider::SetHandleVisual(Property::Map map)
645 Property::Value* imageValue = map.Find("url");
648 mHandleVisual.clear();
649 std::string filename;
650 if(imageValue->Get(filename))
652 if(mHandle && (filename.size() > 0))
654 mHandle.SetImage(filename);
660 Property::Value* sizeValue = map.Find("size");
664 if(sizeValue->Get(size))
667 ResizeHandleSize(mHandleSize);
669 Vector2 hitRegion = GetHitRegion();
670 hitRegion.x += mHandleSize.x;
671 SetHitRegion(hitRegion);
676 std::string Slider::GetHandleVisual()
678 return mHandleVisual;
681 void Slider::ResizeHandleSize(const Vector2& size)
685 mHandle.SetProperty(Actor::Property::SIZE, size);
689 void Slider::CreateHandleValueDisplay()
691 if(mHandle && !mHandleValueTextLabel)
693 mHandleValueTextLabel = Toolkit::TextLabel::New();
694 mHandleValueTextLabel.SetProperty(Dali::Actor::Property::NAME, "SliderHandleTextLabel");
695 mHandleValueTextLabel.SetStyleName("SliderHandleTextLabel");
696 mHandleValueTextLabel.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
697 mHandleValueTextLabel.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
698 mHandleValueTextLabel.SetProperty(Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER");
699 mHandleValueTextLabel.SetProperty(Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER");
700 mHandleValueTextLabel.SetProperty(Toolkit::DevelControl::Property::ACCESSIBILITY_HIGHLIGHTABLE, false);
701 mHandle.Add(mHandleValueTextLabel);
705 void Slider::DestroyHandleValueDisplay()
707 UnparentAndReset(mHandleValueTextLabel);
710 Actor Slider::CreateValueDisplay()
712 Actor popup = Actor::New();
713 popup.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER);
714 popup.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
716 mPopupArrow = CreatePopupArrow();
717 popup.Add(mPopupArrow);
719 mPopup = CreatePopup();
720 mPopup.SetProperty(Actor::Property::SIZE, Vector2(0.0f, VALUE_POPUP_HEIGHT));
721 mPopupArrow.Add(mPopup);
726 Toolkit::Slider::ValueChangedSignalType& Slider::ValueChangedSignal()
728 return mValueChangedSignal;
731 Toolkit::Slider::ValueChangedSignalType& Slider::SlidingFinishedSignal()
733 return mSlidingFinishedSignal;
736 Toolkit::Slider::MarkReachedSignalType& Slider::MarkReachedSignal()
738 return mMarkReachedSignal;
741 void Slider::UpdateSkin()
747 mTrack.SetProperty(Actor::Property::COLOR, Color::WHITE);
748 mHandle.SetProperty(Actor::Property::COLOR, Color::WHITE);
749 mProgress.SetProperty(Actor::Property::COLOR, Color::WHITE);
754 Vector4 disabledColor = GetDisabledColor();
755 mTrack.SetProperty(Actor::Property::COLOR, disabledColor);
756 mHandle.SetProperty(Actor::Property::COLOR, disabledColor);
757 mProgress.SetProperty(Actor::Property::COLOR, disabledColor);
771 void Slider::CreateChildren()
776 mHitArea = CreateHitRegion();
777 mPanDetector = PanGestureDetector::New();
778 mPanDetector.Attach(mHitArea);
779 mPanDetector.DetectedSignal().Connect(this, &Slider::OnPan);
783 mTrack = CreateTrack();
787 mProgress = CreateProgress();
788 mTrack.Add(mProgress);
791 mHandle = CreateHandle();
792 mProgress.Add(mHandle);
795 void Slider::SetHitRegion(const Vector2& size)
801 mHitArea.SetProperty(Actor::Property::SIZE, mHitRegion);
805 const Vector2& Slider::GetHitRegion() const
810 void Slider::AddPopup()
814 mValueDisplay = CreateValueDisplay();
815 mValueDisplay.SetProperty(Actor::Property::VISIBLE, false);
816 mHandle.Add(mValueDisplay);
818 CreatePopupImage(GetPopupVisual());
819 CreatePopupArrowImage(GetPopupArrowVisual());
821 mValueTimer = Timer::New(VALUE_VIEW_SHOW_DURATION);
822 mValueTimer.TickSignal().Connect(this, &Slider::HideValueView);
826 void Slider::RemovePopup()
833 mPopupArrow.Unparent();
836 mValueDisplay.Unparent();
837 mValueDisplay.Reset();
839 mValueTimer.TickSignal().Disconnect(this, &Slider::HideValueView);
844 float Slider::MarkFilter(float value)
846 const float MARK_TOLERANCE = GetMarkTolerance();
848 float mark = SnapToMark(value);
849 if(fabsf(mark - value) < MARK_TOLERANCE)
855 float Slider::SnapToMark(float value)
857 float closestMark = value;
858 float closestDist = std::numeric_limits<float>::max();
861 for(MarkList::SizeType i = 0; i < mMarks.Count(); ++i)
863 const Property::Value& propertyValue = mMarks[i];
864 propertyValue.Get(mark);
865 mark = MapValuePercentage(mark);
867 float dist = fabsf(mark - value);
868 if(dist < closestDist)
878 bool Slider::MarkReached(float value, int& outIndex)
880 const float MARK_TOLERANCE = GetMarkTolerance();
884 tail = mMarks.Size() - 1;
890 current = head + (tail - head) / 2;
892 const Property::Value& propertyValue = mMarks[current];
893 propertyValue.Get(mark);
894 mark = MapValuePercentage(mark);
896 if(fabsf(mark - value) < MARK_TOLERANCE)
915 bool Slider::HideValueView()
919 mValueDisplay.SetProperty(Actor::Property::VISIBLE, false);
925 void Slider::SetLowerBound(float bound)
928 DisplayValue(GetValue(), false);
931 float Slider::GetLowerBound() const
936 void Slider::SetUpperBound(float bound)
939 DisplayValue(GetValue(), false);
942 float Slider::GetUpperBound() const
947 void Slider::SetValue(float value)
950 DisplayValue(mValue, true);
951 if(Self() == Dali::Accessibility::Accessible::GetCurrentlyHighlightedActor())
953 Control::Impl::GetAccessibilityObject(Self())->Emit(Dali::Accessibility::ObjectPropertyChangeEvent::VALUE);
957 float Slider::GetValue() const
962 void Slider::SetTrackRegion(const Vector2& region)
964 mTrackRegion = region;
968 mTrack.SetProperty(Actor::Property::SIZE, mTrackRegion);
971 ResizeProgressRegion(Vector2(0.0f, mTrackRegion.y));
973 mDomain = CalcDomain(mTrackRegion);
975 DisplayValue(GetValue(), false); // Set the progress bar to correct width
978 const Vector2& Slider::GetTrackRegion() const
983 void Slider::SetHandleSize(const Vector2& size)
987 ResizeHandleSize(mHandleSize);
989 Vector2 hitRegion = GetHitRegion();
990 hitRegion.x += mHandleSize.x;
991 SetHitRegion(hitRegion);
994 const Vector2& Slider::GetHandleSize() const
999 void Slider::SetDisabledColor(const Vector4& color)
1001 mDisabledColor = color;
1006 Vector4 Slider::GetDisabledColor() const
1008 return mDisabledColor;
1011 void Slider::SetValuePrecision(int precision)
1013 mValuePrecision = precision;
1016 int Slider::GetValuePrecision() const
1018 return mValuePrecision;
1021 void Slider::SetShowPopup(bool showPopup)
1023 mShowPopup = showPopup;
1036 bool Slider::GetShowPopup() const
1041 void Slider::SetShowValue(bool showValue)
1043 mShowValue = showValue;
1047 CreateHandleValueDisplay();
1051 DestroyHandleValueDisplay();
1055 bool Slider::GetShowValue() const
1060 void Slider::SetEnabled(bool enabled)
1074 bool Slider::IsEnabled() const
1076 return mState != DISABLED;
1079 void Slider::SetMarkTolerance(float tolerance)
1081 mMarkTolerance = tolerance;
1084 float Slider::GetMarkTolerance() const
1086 return mMarkTolerance;
1089 // Static class method to support script connecting signals
1090 bool Slider::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
1092 Dali::BaseHandle handle(object);
1094 bool connected = true;
1095 Toolkit::Slider slider = Toolkit::Slider::DownCast(handle);
1097 if(0 == strcmp(signalName.c_str(), SIGNAL_VALUE_CHANGED))
1099 slider.ValueChangedSignal().Connect(tracker, functor);
1101 else if(0 == strcmp(signalName.c_str(), SIGNAL_MARK))
1103 slider.MarkReachedSignal().Connect(tracker, functor);
1107 // signalName does not match any signal
1114 void Slider::DisplayPopup(float value)
1116 // Value displayDoConnectSignal
1119 std::stringstream ss;
1120 ss.precision(GetValuePrecision());
1121 ss << std::fixed << value;
1122 mValueTextLabel.SetProperty(Toolkit::TextLabel::Property::TEXT, ss.str());
1126 mValueDisplay.SetProperty(Actor::Property::VISIBLE, true);
1128 mValueTimer.SetInterval(VALUE_VIEW_SHOW_DURATION);
1133 void Slider::SetProperty(BaseObject* object, Property::Index propertyIndex, const Property::Value& value)
1135 Toolkit::Slider slider = Toolkit::Slider::DownCast(Dali::BaseHandle(object));
1139 Slider& sliderImpl(GetImpl(slider));
1141 switch(propertyIndex)
1143 case Toolkit::Slider::Property::LOWER_BOUND:
1145 sliderImpl.SetLowerBound(value.Get<float>());
1149 case Toolkit::Slider::Property::UPPER_BOUND:
1151 sliderImpl.SetUpperBound(value.Get<float>());
1155 case Toolkit::Slider::Property::VALUE:
1157 sliderImpl.SetValue(value.Get<float>());
1161 case Toolkit::Slider::Property::TRACK_VISUAL:
1166 sliderImpl.SetTrackVisual(map);
1171 case Toolkit::Slider::Property::HANDLE_VISUAL:
1176 sliderImpl.SetHandleVisual(map);
1181 case Toolkit::Slider::Property::PROGRESS_VISUAL:
1186 sliderImpl.SetProgressVisual(map);
1191 case Toolkit::Slider::Property::POPUP_VISUAL:
1193 std::string imageUrl;
1194 if(value.Get(imageUrl))
1196 sliderImpl.SetPopupVisual(imageUrl);
1199 // If it is not a string, then get a Property::Map from the property if possible.
1203 sliderImpl.SetPopupVisual(map);
1209 case Toolkit::Slider::Property::POPUP_ARROW_VISUAL:
1214 sliderImpl.SetPopupArrowVisual(map);
1219 case Toolkit::Slider::Property::DISABLED_COLOR:
1221 sliderImpl.SetDisabledColor(value.Get<Vector4>());
1225 case Toolkit::Slider::Property::VALUE_PRECISION:
1227 sliderImpl.SetValuePrecision(value.Get<int>());
1231 case Toolkit::Slider::Property::SHOW_POPUP:
1233 sliderImpl.SetShowPopup(value.Get<bool>());
1237 case Toolkit::Slider::Property::SHOW_VALUE:
1239 sliderImpl.SetShowValue(value.Get<bool>());
1243 case Toolkit::Slider::Property::MARKS:
1245 sliderImpl.SetMarks(value.Get<Property::Array>());
1249 case Toolkit::Slider::Property::SNAP_TO_MARKS:
1251 sliderImpl.SetSnapToMarks(value.Get<bool>());
1255 case Toolkit::Slider::Property::MARK_TOLERANCE:
1257 sliderImpl.SetMarkTolerance(value.Get<float>());
1264 Property::Value Slider::GetProperty(BaseObject* object, Property::Index propertyIndex)
1266 Property::Value value;
1268 Toolkit::Slider slider = Toolkit::Slider::DownCast(Dali::BaseHandle(object));
1272 Slider& sliderImpl(GetImpl(slider));
1274 switch(propertyIndex)
1276 case Toolkit::Slider::Property::LOWER_BOUND:
1278 value = sliderImpl.GetLowerBound();
1282 case Toolkit::Slider::Property::UPPER_BOUND:
1284 value = sliderImpl.GetUpperBound();
1288 case Toolkit::Slider::Property::VALUE:
1290 value = sliderImpl.GetValue();
1294 case Toolkit::Slider::Property::TRACK_VISUAL:
1296 if(!sliderImpl.mTrackVisual.empty())
1298 value = sliderImpl.GetTrackVisual();
1300 else if(!sliderImpl.mTrackMap.Empty())
1302 value = sliderImpl.mTrackMap;
1307 case Toolkit::Slider::Property::HANDLE_VISUAL:
1309 if(!sliderImpl.mHandleVisual.empty())
1311 value = sliderImpl.GetHandleVisual();
1313 else if(!sliderImpl.mHandleMap.Empty())
1315 value = sliderImpl.mHandleMap;
1320 case Toolkit::Slider::Property::PROGRESS_VISUAL:
1322 if(!sliderImpl.mProgressVisual.empty())
1324 value = sliderImpl.GetProgressVisual();
1326 else if(!sliderImpl.mProgressMap.Empty())
1328 value = sliderImpl.mProgressMap;
1333 case Toolkit::Slider::Property::POPUP_VISUAL:
1335 if(!sliderImpl.mPopupVisual.empty())
1337 value = sliderImpl.GetPopupVisual();
1339 else if(!sliderImpl.mPopupMap.Empty())
1341 value = sliderImpl.mPopupMap;
1346 case Toolkit::Slider::Property::POPUP_ARROW_VISUAL:
1348 if(!sliderImpl.mPopupArrowVisual.empty())
1350 value = sliderImpl.GetPopupArrowVisual();
1352 else if(!sliderImpl.mPopupArrowMap.Empty())
1354 value = sliderImpl.mPopupArrowMap;
1359 case Toolkit::Slider::Property::DISABLED_COLOR:
1361 value = sliderImpl.GetDisabledColor();
1365 case Toolkit::Slider::Property::VALUE_PRECISION:
1367 value = sliderImpl.GetValuePrecision();
1371 case Toolkit::Slider::Property::SHOW_POPUP:
1373 value = sliderImpl.GetShowPopup();
1377 case Toolkit::Slider::Property::SHOW_VALUE:
1379 value = sliderImpl.GetShowValue();
1383 case Toolkit::Slider::Property::MARKS:
1385 Property::Value value1(Property::ARRAY);
1386 Property::Array* markArray = value1.GetArray();
1390 *markArray = sliderImpl.GetMarks();
1397 case Toolkit::Slider::Property::SNAP_TO_MARKS:
1399 value = sliderImpl.GetSnapToMarks();
1403 case Toolkit::Slider::Property::MARK_TOLERANCE:
1405 value = sliderImpl.GetMarkTolerance();
1414 double Slider::AccessibleImpl::GetMinimum()
1416 auto self = Toolkit::Slider::DownCast(Self());
1417 return self.GetProperty(Toolkit::Slider::Property::LOWER_BOUND).Get<float>();
1420 double Slider::AccessibleImpl::GetCurrent()
1422 auto self = Toolkit::Slider::DownCast(Self());
1423 return self.GetProperty(Toolkit::Slider::Property::VALUE).Get<float>();
1426 double Slider::AccessibleImpl::GetMaximum()
1428 auto self = Toolkit::Slider::DownCast(Self());
1429 return self.GetProperty(Toolkit::Slider::Property::UPPER_BOUND).Get<float>();
1432 bool Slider::AccessibleImpl::SetCurrent(double current)
1434 if(current < GetMinimum() || current > GetMaximum())
1437 auto self = Toolkit::Slider::DownCast(Self());
1438 auto& impl = Toolkit::GetImpl(self);
1440 const float prev = self.GetProperty<float>(Toolkit::Slider::Property::VALUE);
1441 float next = static_cast<float>(current);
1443 if(fabsf(next - prev) < Math::MACHINE_EPSILON_0)
1447 else if(self.GetProperty<bool>(Toolkit::Slider::Property::SNAP_TO_MARKS))
1449 auto marks = self.GetProperty<Property::Array>(Toolkit::Slider::Property::MARKS);
1452 if(impl.MarkReached(impl.MapValuePercentage(prev), prevIdx))
1454 int nextIdx = prevIdx;
1455 nextIdx += (next > prev) ? 1 : -1;
1457 if(nextIdx < 0 || nextIdx >= static_cast<int>(marks.Count()))
1462 next = marks[nextIdx].Get<float>();
1466 next = impl.MapBounds(impl.SnapToMark(impl.MapValuePercentage(next)), impl.GetLowerBound(), impl.GetUpperBound());
1471 next = impl.MapBounds(impl.MarkFilter(impl.MapValuePercentage(next)), impl.GetLowerBound(), impl.GetUpperBound());
1474 impl.SetValue(next);
1475 impl.DisplayPopup(next);
1480 double Slider::AccessibleImpl::GetMinimumIncrement()
1482 auto self = Toolkit::Slider::DownCast(Self());
1484 bool hasMarks = !self.GetProperty<Property::Array>(Toolkit::Slider::Property::MARKS).Empty();
1485 float tolerance = self.GetProperty<float>(Toolkit::Slider::Property::MARK_TOLERANCE);
1487 if(!hasMarks || fabsf(tolerance) < 0.01)
1489 return 0.0; // let screen-reader choose the increment
1492 return Math::MACHINE_EPSILON_10000 + tolerance * (GetMaximum() - GetMinimum());
1495 } // namespace Internal
1497 } // namespace Toolkit