From d314454b6e9564ab5d17bbe269110ba4061442bd Mon Sep 17 00:00:00 2001
From: Jumar Macato <16554748+jmacato@users.noreply.github.com>
Date: Sun, 31 May 2020 17:41:58 +0800
Subject: [PATCH] Revert "Fluent Slider port"

---
 samples/ControlCatalog/Pages/SliderPage.xaml  |   2 +-
 src/Avalonia.Controls/Primitives/Track.cs     |  14 +-
 src/Avalonia.Controls/Slider.cs               | 112 +++--
 src/Avalonia.Controls/TickBar.cs              | 430 ------------------
 .../Accents/FluentBaseDark.xaml               |  26 +-
 .../Accents/FluentBaseLight.xaml              |  26 +-
 .../Accents/FluentControlResourcesDark.xaml   |  55 +--
 .../Accents/FluentControlResourcesLight.xaml  |  55 +--
 src/Avalonia.Themes.Fluent/Slider.xaml        | 305 +++----------
 9 files changed, 136 insertions(+), 889 deletions(-)
 delete mode 100644 src/Avalonia.Controls/TickBar.cs

diff --git a/samples/ControlCatalog/Pages/SliderPage.xaml b/samples/ControlCatalog/Pages/SliderPage.xaml
index 9cdefa812f..58f7b881fe 100644
--- a/samples/ControlCatalog/Pages/SliderPage.xaml
+++ b/samples/ControlCatalog/Pages/SliderPage.xaml
@@ -9,7 +9,7 @@
       <Slider Value="0"
               Minimum="0"
               Maximum="100"
-              Width="300" TickFrequency="10" />
+              Width="300"/>
       <Slider Value="0"
               Minimum="0"
               Maximum="100"
diff --git a/src/Avalonia.Controls/Primitives/Track.cs b/src/Avalonia.Controls/Primitives/Track.cs
index 1db47a13e7..e104a8a664 100644
--- a/src/Avalonia.Controls/Primitives/Track.cs
+++ b/src/Avalonia.Controls/Primitives/Track.cs
@@ -41,16 +41,13 @@ namespace Avalonia.Controls.Primitives
         public static readonly StyledProperty<bool> IsDirectionReversedProperty =
             AvaloniaProperty.Register<Track, bool>(nameof(IsDirectionReversed));
 
-        public static readonly StyledProperty<bool> IgnoreThumbDragProperty =
-            AvaloniaProperty.Register<Track, bool>(nameof(IsThumbDragHandled));
-
         private double _minimum;
         private double _maximum = 100.0;
         private double _value;
 
         static Track()
         {
-            ThumbProperty.Changed.AddClassHandler<Track>((x, e) => x.ThumbChanged(e));
+            ThumbProperty.Changed.AddClassHandler<Track>((x,e) => x.ThumbChanged(e));
             IncreaseButtonProperty.Changed.AddClassHandler<Track>((x, e) => x.ButtonChanged(e));
             DecreaseButtonProperty.Changed.AddClassHandler<Track>((x, e) => x.ButtonChanged(e));
             AffectsArrange<Track>(MinimumProperty, MaximumProperty, ValueProperty, OrientationProperty);
@@ -116,12 +113,6 @@ namespace Avalonia.Controls.Primitives
             set { SetValue(IsDirectionReversedProperty, value); }
         }
 
-        public bool IsThumbDragHandled
-        {
-            get { return GetValue(IgnoreThumbDragProperty); }
-            set { SetValue(IgnoreThumbDragProperty, value); }
-        }
-
         private double ThumbCenterOffset { get; set; }
         private double Density { get; set; }
 
@@ -431,9 +422,6 @@ namespace Avalonia.Controls.Primitives
 
         private void ThumbDragged(object sender, VectorEventArgs e)
         {
-            if (IsThumbDragHandled)
-                return;
-                
             Value = MathUtilities.Clamp(
                 Value + ValueFromDistance(e.Vector.X, e.Vector.Y),
                 Minimum,
diff --git a/src/Avalonia.Controls/Slider.cs b/src/Avalonia.Controls/Slider.cs
index 4efcbd6a2d..e92c8faf20 100644
--- a/src/Avalonia.Controls/Slider.cs
+++ b/src/Avalonia.Controls/Slider.cs
@@ -1,10 +1,9 @@
 using System;
-using Avalonia.Controls.Mixins;
 using Avalonia.Controls.Primitives;
+using Avalonia.Data;
 using Avalonia.Input;
 using Avalonia.Interactivity;
 using Avalonia.Layout;
-using Avalonia.Utilities;
 
 namespace Avalonia.Controls
 {
@@ -32,24 +31,18 @@ namespace Avalonia.Controls
             AvaloniaProperty.Register<Slider, double>(nameof(TickFrequency), 0.0);
 
         // Slider required parts
-        private bool _isDragging = false;
         private Track _track;
         private Button _decreaseButton;
         private Button _increaseButton;
-        private IDisposable _decreaseButtonPressDispose;
-        private IDisposable _decreaseButtonReleaseDispose;
-        private IDisposable _increaseButtonSubscription;
-        private IDisposable _increaseButtonReleaseDispose;
-        private IDisposable _pointerMovedDispose;
 
         /// <summary>
         /// Initializes static members of the <see cref="Slider"/> class. 
         /// </summary>
         static Slider()
         {
-            PressedMixin.Attach<Slider>();
             OrientationProperty.OverrideDefaultValue(typeof(Slider), Orientation.Horizontal);
             Thumb.DragStartedEvent.AddClassHandler<Slider>((x, e) => x.OnThumbDragStarted(e), RoutingStrategies.Bubble);
+            Thumb.DragDeltaEvent.AddClassHandler<Slider>((x, e) => x.OnThumbDragDelta(e), RoutingStrategies.Bubble);
             Thumb.DragCompletedEvent.AddClassHandler<Slider>((x, e) => x.OnThumbDragCompleted(e), RoutingStrategies.Bubble);
         }
 
@@ -91,70 +84,54 @@ namespace Avalonia.Controls
         /// <inheritdoc/>
         protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
         {
-            _decreaseButtonPressDispose?.Dispose();
-            _decreaseButtonReleaseDispose?.Dispose();
-            _increaseButtonSubscription?.Dispose();
-            _increaseButtonReleaseDispose?.Dispose();
-            _pointerMovedDispose?.Dispose();
+            if (_decreaseButton != null)
+            {
+                _decreaseButton.Click -= DecreaseClick;
+            }
+
+            if (_increaseButton != null)
+            {
+                _increaseButton.Click -= IncreaseClick;
+            }
 
             _decreaseButton = e.NameScope.Find<Button>("PART_DecreaseButton");
             _track = e.NameScope.Find<Track>("PART_Track");
             _increaseButton = e.NameScope.Find<Button>("PART_IncreaseButton");
 
-            if (_track != null)
-            {
-                _track.IsThumbDragHandled = true;
-            }
-
             if (_decreaseButton != null)
             {
-                _decreaseButtonPressDispose = _decreaseButton.AddDisposableHandler(PointerPressedEvent, TrackPressed, RoutingStrategies.Tunnel);
-                _decreaseButtonReleaseDispose = _decreaseButton.AddDisposableHandler(PointerReleasedEvent, TrackReleased, RoutingStrategies.Tunnel);
+                _decreaseButton.Click += DecreaseClick;
             }
 
             if (_increaseButton != null)
             {
-                _increaseButtonSubscription = _increaseButton.AddDisposableHandler(PointerPressedEvent, TrackPressed, RoutingStrategies.Tunnel);
-                _increaseButtonReleaseDispose = _increaseButton.AddDisposableHandler(PointerReleasedEvent, TrackReleased, RoutingStrategies.Tunnel);
+                _increaseButton.Click += IncreaseClick;
             }
-
-            _pointerMovedDispose = this.AddDisposableHandler(PointerMovedEvent, TrackMoved, RoutingStrategies.Tunnel);
         }
 
-        private void TrackMoved(object sender, PointerEventArgs e)
+        private void DecreaseClick(object sender, RoutedEventArgs e)
         {
-            if (_isDragging)
-            {
-                MoveToPoint(e.GetCurrentPoint(_track));
-            }
+            ChangeValueBy(-LargeChange);
         }
 
-        private void TrackReleased(object sender, PointerReleasedEventArgs e)
+        private void IncreaseClick(object sender, RoutedEventArgs e)
         {
-            _isDragging = false;
+            ChangeValueBy(LargeChange);
         }
 
-        private void TrackPressed(object sender, PointerPressedEventArgs e)
+        private void ChangeValueBy(double by)
         {
-            if (e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
+            if (IsSnapToTickEnabled)
             {
-                MoveToPoint(e.GetCurrentPoint(_track));
-                _isDragging = true;
+                by = by < 0 ? Math.Min(-TickFrequency, by) : Math.Max(TickFrequency, by);
             }
-        }
-
-        private void MoveToPoint(PointerPoint x)
-        {
-            var orient = Orientation == Orientation.Horizontal;
-            var pointDen = orient ? _track.Bounds.Width : _track.Bounds.Height;
-            var pointNum = orient ? x.Position.X : x.Position.Y;
-            var logicalPos = MathUtilities.Clamp(pointNum / pointDen, 0.0d, 1.0d);
-            var invert = orient ? 0 : 1;
-            var calcVal = Math.Abs(invert - logicalPos);
-            var range = Maximum - Minimum;
-            var finalValue = calcVal * range;
 
-            Value = IsSnapToTickEnabled ? SnapToTick(finalValue) : finalValue;
+            var value = Value;
+            var next = SnapToTick(Math.Max(Math.Min(value + by, Maximum), Minimum));
+            if (next != value)
+            {
+                Value = next;
+            }
         }
 
         protected override void OnPropertyChanged<T>(AvaloniaPropertyChangedEventArgs<T> change)
@@ -173,7 +150,19 @@ namespace Avalonia.Controls
         /// <param name="e"></param>
         protected virtual void OnThumbDragStarted(VectorEventArgs e)
         {
-            _isDragging = true;
+        }
+
+        /// <summary>
+        /// Called when user dragging the <see cref="Thumb"/>.
+        /// </summary>
+        /// <param name="e"></param>
+        protected virtual void OnThumbDragDelta(VectorEventArgs e)
+        {
+            Thumb thumb = e.Source as Thumb;
+            if (thumb != null && _track?.Thumb == thumb)
+            {
+                MoveToNextTick(_track.Value);
+            }
         }
 
         /// <summary>
@@ -182,7 +171,15 @@ namespace Avalonia.Controls
         /// <param name="e"></param>
         protected virtual void OnThumbDragCompleted(VectorEventArgs e)
         {
-            _isDragging = false;
+        }
+
+        /// <summary>
+        /// Searches for the closest tick and sets Value to that tick.
+        /// </summary>
+        /// <param name="value">Value that want to snap to closest Tick.</param>
+        private void MoveToNextTick(double value)
+        {
+            Value = SnapToTick(Math.Max(Minimum, Math.Min(Maximum, value)));
         }
 
         /// <summary>
@@ -191,17 +188,14 @@ namespace Avalonia.Controls
         /// <param name="value">Value that want to snap to closest Tick.</param>
         private double SnapToTick(double value)
         {
-            var previous = Minimum;
-            var next = Maximum;
-
-            if (TickFrequency > 0.0)
+            if (IsSnapToTickEnabled && TickFrequency > 0.0)
             {
-                previous = Minimum + (Math.Round((value - Minimum) / TickFrequency) * TickFrequency);
-                next = Math.Min(Maximum, previous + TickFrequency);
+                double previous = Minimum + (Math.Round(((value - Minimum) / TickFrequency)) * TickFrequency);
+                double next = Math.Min(Maximum, previous + TickFrequency);
+                value = value > (previous + next) * 0.5 ? next : previous;
             }
 
-            // Choose the closest value between previous and next. If tie, snap to 'next'.
-            return MathUtilities.GreaterThanOrClose(value, (previous + next) * 0.5) ? next : previous;
+            return value;
         }
 
         private void UpdatePseudoClasses(Orientation o)
diff --git a/src/Avalonia.Controls/TickBar.cs b/src/Avalonia.Controls/TickBar.cs
deleted file mode 100644
index 4b8f7950c0..0000000000
--- a/src/Avalonia.Controls/TickBar.cs
+++ /dev/null
@@ -1,430 +0,0 @@
-using System;
-using System.Collections.Generic;
-using Avalonia.Controls.Primitives;
-using Avalonia.Data;
-using Avalonia.Data.Converters;
-using Avalonia.Layout;
-using Avalonia.Media;
-using Avalonia.Utilities;
-
-namespace Avalonia.Controls
-{
-
-    /// <summary>
-    /// Enum which describes how to position the TickBar.
-    /// </summary>
-    public enum TickBarPlacement
-    {
-        /// <summary>
-        /// Position this tick at the left of target element.
-        /// </summary>
-        Left,
-
-        /// <summary>
-        /// Position this tick at the top of target element.
-        /// </summary>
-        Top,
-
-        /// <summary>
-        /// Position this tick at the right of target element.
-        /// </summary>
-        Right,
-
-        /// <summary>
-        /// Position this tick at the bottom of target element.
-        /// </summary>
-        Bottom,
-
-        // NOTE: if you add or remove any values in this enum, be sure to update TickBar.IsValidTickBarPlacement()
-    }
-
-    /// <summary>
-    /// TickBar is an element that use for drawing Slider's Ticks.
-    /// </summary>
-    public class TickBar : Control
-    {
-        static TickBar()
-        {
-            AffectsRender<TickBar>(ReservedSpaceProperty,
-                                   MaximumProperty,
-                                   MinimumProperty,
-                                   OrientationProperty,
-                                   TickFrequencyProperty);
-        }
-
-        public TickBar() : base()
-        {
-        }
-
-        /// <summary>
-        /// Defines the <see cref="Fill"/> property.
-        /// </summary>
-        public static readonly StyledProperty<IBrush> FillProperty =
-            AvaloniaProperty.Register<TickBar, IBrush>(nameof(Fill));
-
-        /// <summary>
-        /// Brush used to fill the TickBar's Ticks.
-        /// </summary>
-        public IBrush Fill
-        {
-            get { return GetValue(FillProperty); }
-            set { SetValue(FillProperty, value); }
-        }
-
-        /// <summary>
-        /// Defines the <see cref="Minimum"/> property.
-        /// </summary>
-        public static readonly StyledProperty<double> MinimumProperty =
-            AvaloniaProperty.Register<TickBar, double>(nameof(Minimum), 0d);
-
-        /// <summary>
-        /// Logical position where the Minimum Tick will be drawn
-        /// </summary>
-        public double Minimum
-        {
-            get { return GetValue(MinimumProperty); }
-            set
-            {
-                SetValue(MinimumProperty, value);
-            }
-        }
-
-        /// <summary>
-        /// Defines the <see cref="Maximum"/> property.
-        /// </summary>
-        public static readonly StyledProperty<double> MaximumProperty =
-            AvaloniaProperty.Register<TickBar, double>(nameof(Maximum), 0d);
-
-        /// <summary>
-        /// Logical position where the Maximum Tick will be drawn
-        /// </summary>
-        public double Maximum
-        {
-            get { return GetValue(MaximumProperty); }
-            set { SetValue(MaximumProperty, value); }
-        }
-
-        /// <summary>
-        /// Defines the <see cref="TickFrequency"/> property.
-        /// </summary>
-        public static readonly StyledProperty<double> TickFrequencyProperty =
-            AvaloniaProperty.Register<TickBar, double>(nameof(TickFrequency), 0d);
-
-        /// <summary>
-        /// TickFrequency property defines how the tick will be drawn.
-        /// </summary>
-        public double TickFrequency
-        {
-            get { return GetValue(TickFrequencyProperty); }
-            set { SetValue(TickFrequencyProperty, value); }
-        }
-
-        /// <summary>
-        /// Defines the <see cref="Orientation"/> property.
-        /// </summary>
-        public static readonly StyledProperty<Orientation> OrientationProperty =
-            AvaloniaProperty.Register<TickBar, Orientation>(nameof(Orientation));
-
-        /// <summary>
-        /// TickBar parent's orientation.
-        /// </summary>
-        public Orientation Orientation
-        {
-            get { return GetValue(OrientationProperty); }
-            set { SetValue(OrientationProperty, value); }
-        }
-
-        /// <summary>
-        /// Defines the <see cref="Ticks"/> property.
-        /// </summary>
-        public static readonly StyledProperty<List<double>> TicksProperty =
-            AvaloniaProperty.Register<TickBar, List<double>>(nameof(Ticks));
-
-        /// <summary>
-        /// The Ticks property contains collection of value of type Double which
-        /// are the logical positions use to draw the ticks.
-        /// The property value is a <see cref="DoubleCollection" />.
-        /// </summary>
-        public List<double> Ticks
-        {
-            get { return GetValue(TicksProperty); }
-            set { SetValue(TicksProperty, value); }
-        }
-
-        /// <summary>
-        /// Defines the <see cref="IsDirectionReversed"/> property.
-        /// </summary>
-        public static readonly StyledProperty<bool> IsDirectionReversedProperty =
-            AvaloniaProperty.Register<TickBar, bool>(nameof(IsDirectionReversed), false);
-
-        /// <summary>
-        /// The IsDirectionReversed property defines the direction of value incrementation.
-        /// By default, if Tick's orientation is Horizontal, ticks will be drawn from left to right.
-        /// (And, bottom to top for Vertical orientation).
-        /// If IsDirectionReversed is 'true' the direction of the drawing will be in opposite direction.
-        /// </summary>
-        public bool IsDirectionReversed
-        {
-            get { return GetValue(IsDirectionReversedProperty); }
-            set { SetValue(IsDirectionReversedProperty, value); }
-        }
-
-        /// <summary>
-        /// Defines the <see cref="Placement"/> property.
-        /// </summary>
-        public static readonly StyledProperty<TickBarPlacement> PlacementProperty =
-            AvaloniaProperty.Register<TickBar, TickBarPlacement>(nameof(Placement), 0d);
-
-
-        /// <summary>
-        /// Placement property specified how the Tick will be placed.
-        /// This property affects the way ticks are drawn.
-        /// This property has type of <see cref="TickBarPlacement" />.
-        /// </summary>
-        public TickBarPlacement Placement
-        {
-            get { return GetValue(PlacementProperty); }
-            set { SetValue(PlacementProperty, value); }
-        }
-
-        /// <summary>
-        /// Defines the <see cref="ReservedSpace"/> property.
-        /// </summary>
-        public static readonly StyledProperty<Rect> ReservedSpaceProperty =
-            AvaloniaProperty.Register<TickBar, Rect>(nameof(ReservedSpace));
-
-        /// <summary>
-        /// TickBar will use ReservedSpaceProperty for left and right spacing (for horizontal orientation) or
-        /// tob and bottom spacing (for vertical orienation).
-        /// The space on both sides of TickBar is half of specified ReservedSpace.
-        /// This property has type of <see cref="Rect" />.
-        /// </summary>
-        public Rect ReservedSpace
-        {
-            get { return GetValue(ReservedSpaceProperty); }
-            set { SetValue(ReservedSpaceProperty, value); }
-        }
-
-        protected override void OnPropertyChanged<T>(AvaloniaPropertyChangedEventArgs<T> change)
-        {
-            base.OnPropertyChanged(change);
-
-            if (change.Property == ReservedSpaceProperty)
-            {
-                // UpdatePseudoClasses(change.NewValue.GetValueOrDefault<Location>());
-            }
-        }
-
-        /// <summary>
-        /// Draw ticks.
-        /// Ticks can be draw in 8 diffrent ways depends on Placment property and IsDirectionReversed property.
-        ///
-        /// This function also draw selection-tick(s) if IsSelectionRangeEnabled is 'true' and
-        /// SelectionStart and SelectionEnd are valid.
-        ///
-        /// The primary ticks (for Mininum and Maximum value) height will be 100% of TickBar's render size (use Width or Height
-        /// depends on Placement property).
-        ///
-        /// The secondary ticks (all other ticks, including selection-tics) height will be 75% of TickBar's render size.
-        ///
-        /// Brush that use to fill ticks is specified by Shape.Fill property.
-        ///
-        /// Pen that use to draw ticks is specified by Shape.Pen property.
-        /// </summary>
-        public override void Render(DrawingContext dc)
-        {
-            var size = new Size(Bounds.Width, Bounds.Height);
-            var range = Maximum - Minimum;
-            var tickLen = 0.0d;   // Height for Primary Tick (for Mininum and Maximum value)
-            var tickLen2 = 0.0d;  // Height for Secondary Tick
-            var logicalToPhysical = 1.0;
-            var progression = 1.0d;
-            var startPoint = new Point();
-            var endPoint = new Point();
-            var rSpace = Orientation == Orientation.Horizontal ? ReservedSpace.Width : ReservedSpace.Height;
-
-            // Take Thumb size in to account
-            double halfReservedSpace = rSpace * 0.5;
-
-            switch (Placement)
-            {
-                case TickBarPlacement.Top:
-                    if (MathUtilities.GreaterThanOrClose(rSpace, size.Width))
-                    {
-                        return;
-                    }
-                    size = new Size(size.Width - rSpace, size.Height);
-                    tickLen = -size.Height;
-                    startPoint = new Point(halfReservedSpace, size.Height);
-                    endPoint = new Point(halfReservedSpace + size.Width, size.Height);
-                    logicalToPhysical = size.Width / range;
-                    progression = 1;
-                    break;
-
-                case TickBarPlacement.Bottom:
-                    if (MathUtilities.GreaterThanOrClose(rSpace, size.Width))
-                    {
-                        return;
-                    }
-                    size = new Size(size.Width - rSpace, size.Height);
-                    tickLen = size.Height;
-                    startPoint = new Point(halfReservedSpace, 0d);
-                    endPoint = new Point(halfReservedSpace + size.Width, 0d);
-                    logicalToPhysical = size.Width / range;
-                    progression = 1;
-                    break;
-
-                case TickBarPlacement.Left:
-                    if (MathUtilities.GreaterThanOrClose(rSpace, size.Height))
-                    {
-                        return;
-                    }
-                    size = new Size(size.Width, size.Height - rSpace);
-
-                    tickLen = -size.Width;
-                    startPoint = new Point(size.Width, size.Height + halfReservedSpace);
-                    endPoint = new Point(size.Width, halfReservedSpace);
-                    logicalToPhysical = size.Height / range * -1;
-                    progression = -1;
-                    break;
-
-                case TickBarPlacement.Right:
-                    if (MathUtilities.GreaterThanOrClose(rSpace, size.Height))
-                    {
-                        return;
-                    }
-
-                    size = new Size(size.Width, size.Height - rSpace);
-
-                    tickLen = size.Width;
-                    startPoint = new Point(0d, size.Height + halfReservedSpace);
-                    endPoint = new Point(0d, halfReservedSpace);
-                    logicalToPhysical = size.Height / range * -1;
-                    progression = -1;
-                    break;
-            };
-
-            tickLen2 = tickLen * 0.75;
-
-            // Invert direciton of the ticks
-            if (IsDirectionReversed)
-            {
-                progression *= -progression;
-                logicalToPhysical *= -1;
-
-                // swap startPoint & endPoint
-                var pt = startPoint;
-                startPoint = endPoint;
-                endPoint = pt;
-            }
-
-            var pen = new Pen(Fill, 1.0d);
-
-            // Is it Vertical?
-            if ((Placement == TickBarPlacement.Left) || (Placement == TickBarPlacement.Right))
-            {
-                // Reduce tick interval if it is more than would be visible on the screen
-                double interval = TickFrequency;
-                if (interval > 0.0)
-                {
-                    double minInterval = (Maximum - Minimum) / size.Height;
-                    if (interval < minInterval)
-                    {
-                        interval = minInterval;
-                    }
-                }
-
-                // Draw Min & Max tick
-                dc.DrawLine(pen, startPoint, new Point(startPoint.X + tickLen, startPoint.Y));
-                dc.DrawLine(pen, new Point(startPoint.X, endPoint.Y),
-                                 new Point(startPoint.X + tickLen, endPoint.Y));
-
-                // This property is rarely set so let's try to avoid the GetValue
-                // caching of the mutable default value
-                var ticks = Ticks ?? null;
-
-                // Draw ticks using specified Ticks collection
-                if (ticks?.Count > 0)
-                {
-                    for (int i = 0; i < ticks.Count; i++)
-                    {
-                        if (MathUtilities.LessThanOrClose(ticks[i], Minimum) || MathUtilities.GreaterThanOrClose(ticks[i], Maximum))
-                        {
-                            continue;
-                        }
-
-                        double adjustedTick = ticks[i] - Minimum;
-
-                        double y = adjustedTick * logicalToPhysical + startPoint.Y;
-                        dc.DrawLine(pen,
-                            new Point(startPoint.X, y),
-                            new Point(startPoint.X + tickLen2, y));
-                    }
-                }
-                // Draw ticks using specified TickFrequency
-                else if (interval > 0.0)
-                {
-                    for (double i = interval; i < range; i += interval)
-                    {
-                        double y = i * logicalToPhysical + startPoint.Y;
-
-                        dc.DrawLine(pen,
-                            new Point(startPoint.X, y),
-                            new Point(startPoint.X + tickLen2, y));
-                    }
-                }
-            }
-            else  // Placement == Top || Placement == Bottom
-            {
-                // Reduce tick interval if it is more than would be visible on the screen
-                double interval = TickFrequency;
-                if (interval > 0.0)
-                {
-                    double minInterval = (Maximum - Minimum) / size.Width;
-                    if (interval < minInterval)
-                    {
-                        interval = minInterval;
-                    }
-                }
-
-                // Draw Min & Max tick
-                dc.DrawLine(pen, startPoint, new Point(startPoint.X, startPoint.Y + tickLen));
-                dc.DrawLine(pen, new Point(endPoint.X, startPoint.Y),
-                                 new Point(endPoint.X, startPoint.Y + tickLen));
-
-                // This property is rarely set so let's try to avoid the GetValue
-                // caching of the mutable default value
-                var ticks = Ticks ?? null;
-
-                // Draw ticks using specified Ticks collection
-                if (ticks?.Count > 0)
-                {
-                    for (int i = 0; i < ticks.Count; i++)
-                    {
-                        if (MathUtilities.LessThanOrClose(ticks[i], Minimum) || MathUtilities.GreaterThanOrClose(ticks[i], Maximum))
-                        {
-                            continue;
-                        }
-                        double adjustedTick = ticks[i] - Minimum;
-
-                        double x = adjustedTick * logicalToPhysical + startPoint.X;
-                        dc.DrawLine(pen,
-                            new Point(x, startPoint.Y),
-                            new Point(x, startPoint.Y + tickLen2));
-                    }
-                }
-                // Draw ticks using specified TickFrequency
-                else if (interval > 0.0)
-                {
-                    for (double i = interval; i < range; i += interval)
-                    {
-                        double x = i * logicalToPhysical + startPoint.X;
-                        dc.DrawLine(pen,
-                            new Point(x, startPoint.Y),
-                            new Point(x, startPoint.Y + tickLen2));
-                    }
-                }
-            }
-        }
-    }
-}
diff --git a/src/Avalonia.Themes.Fluent/Accents/FluentBaseDark.xaml b/src/Avalonia.Themes.Fluent/Accents/FluentBaseDark.xaml
index fc28ebafee..7a715bbde7 100644
--- a/src/Avalonia.Themes.Fluent/Accents/FluentBaseDark.xaml
+++ b/src/Avalonia.Themes.Fluent/Accents/FluentBaseDark.xaml
@@ -1,6 +1,4 @@
-<Style xmlns="https://github.com/avaloniaui" 
-  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
-  xmlns:sys="clr-namespace:System;assembly=netstandard">
+<Style xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:sys="clr-namespace:System;assembly=netstandard">
   <Style.Resources>
     <Color x:Key="SystemAccentColor">#FF0078D7</Color>
     <Color x:Key="SystemAltHighColor">#FF000000</Color>
@@ -314,27 +312,5 @@
     <StaticResource x:Key="RadioButtonCheckGlyphStrokePointerOver" ResourceKey="SystemControlTransparentBrush" />
     <StaticResource x:Key="RadioButtonCheckGlyphStrokePressed" ResourceKey="SystemControlTransparentBrush" />
     <StaticResource x:Key="RadioButtonCheckGlyphStrokeDisabled" ResourceKey="SystemControlTransparentBrush" />
-    <!-- BaseResources for Slider.xaml -->
-    <StaticResource x:Key="SliderContainerBackground" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundPointerOver" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundPressed" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundDisabled" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderThumbBackground" ResourceKey="SystemControlForegroundAccentBrush" />
-    <StaticResource x:Key="SliderThumbBackgroundPointerOver" ResourceKey="SystemControlHighlightChromeAltLowBrush" />
-    <StaticResource x:Key="SliderThumbBackgroundPressed" ResourceKey="SystemControlHighlightChromeHighBrush" />
-    <StaticResource x:Key="SliderThumbBackgroundDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderTrackFill" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTrackFillPointerOver" ResourceKey="SystemControlForegroundBaseMediumBrush" />
-    <StaticResource x:Key="SliderTrackFillPressed" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTrackFillDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderTrackValueFill" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillPointerOver" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillPressed" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderHeaderForeground" ResourceKey="SystemControlForegroundBaseHighBrush" />
-    <StaticResource x:Key="SliderHeaderForegroundDisabled" ResourceKey="SystemControlDisabledBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTickBarFill" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTickBarFillDisabled" ResourceKey="SystemControlDisabledBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderInlineTickBarFill" ResourceKey="SystemControlBackgroundAltHighBrush" />
   </Style.Resources>
 </Style>
diff --git a/src/Avalonia.Themes.Fluent/Accents/FluentBaseLight.xaml b/src/Avalonia.Themes.Fluent/Accents/FluentBaseLight.xaml
index 6efe00cb00..5c6286a0bc 100644
--- a/src/Avalonia.Themes.Fluent/Accents/FluentBaseLight.xaml
+++ b/src/Avalonia.Themes.Fluent/Accents/FluentBaseLight.xaml
@@ -1,6 +1,4 @@
-<Style xmlns="https://github.com/avaloniaui" 
-  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
-  xmlns:sys="clr-namespace:System;assembly=netstandard">
+<Style xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:sys="clr-namespace:System;assembly=netstandard">
   <Style.Resources>
     <Color x:Key="SystemAccentColor">#FF0078D7</Color>
     <Color x:Key="SystemAltHighColor">#FFFFFFFF</Color>
@@ -315,27 +313,5 @@
     <StaticResource x:Key="RadioButtonCheckGlyphStrokePointerOver" ResourceKey="SystemControlTransparentBrush" />
     <StaticResource x:Key="RadioButtonCheckGlyphStrokePressed" ResourceKey="SystemControlTransparentBrush" />
     <StaticResource x:Key="RadioButtonCheckGlyphStrokeDisabled" ResourceKey="SystemControlTransparentBrush" />
-    <!-- BaseResources for Slider.xaml -->
-    <StaticResource x:Key="SliderContainerBackground" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundPointerOver" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundPressed" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundDisabled" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderThumbBackground" ResourceKey="SystemControlForegroundAccentBrush" />
-    <StaticResource x:Key="SliderThumbBackgroundPointerOver" ResourceKey="SystemControlHighlightChromeAltLowBrush" />
-    <StaticResource x:Key="SliderThumbBackgroundPressed" ResourceKey="SystemControlHighlightChromeHighBrush" />
-    <StaticResource x:Key="SliderThumbBackgroundDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderTrackFill" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTrackFillPointerOver" ResourceKey="SystemControlForegroundBaseMediumBrush" />
-    <StaticResource x:Key="SliderTrackFillPressed" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTrackFillDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderTrackValueFill" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillPointerOver" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillPressed" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderHeaderForeground" ResourceKey="SystemControlForegroundBaseHighBrush" />
-    <StaticResource x:Key="SliderHeaderForegroundDisabled" ResourceKey="SystemControlDisabledBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTickBarFill" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTickBarFillDisabled" ResourceKey="SystemControlDisabledBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderInlineTickBarFill" ResourceKey="SystemControlBackgroundAltHighBrush" />
   </Style.Resources>
 </Style>
diff --git a/src/Avalonia.Themes.Fluent/Accents/FluentControlResourcesDark.xaml b/src/Avalonia.Themes.Fluent/Accents/FluentControlResourcesDark.xaml
index 49647b4a72..7364c339f1 100644
--- a/src/Avalonia.Themes.Fluent/Accents/FluentControlResourcesDark.xaml
+++ b/src/Avalonia.Themes.Fluent/Accents/FluentControlResourcesDark.xaml
@@ -1,6 +1,6 @@
-<Style xmlns="https://github.com/avaloniaui" 
-  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
-  xmlns:sys="clr-namespace:System;assembly=netstandard">
+<Style xmlns="https://github.com/avaloniaui"
+       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+       xmlns:sys="clr-namespace:System;assembly=netstandard">
   <Style.Resources>
     <!-- Resources for Button.xaml -->
     <StaticResource x:Key="AccentButtonBackground" ResourceKey="SystemControlBackgroundAccentBrush" />
@@ -343,54 +343,5 @@
     <SolidColorBrush x:Key="RadioButtonPressedBorderThemeBrush" Color="#FFFFFFFF" />
     <SolidColorBrush x:Key="RadioButtonPressedForegroundThemeBrush" Color="#FF000000" />
     <SolidColorBrush x:Key="RadioButtonContentPointerOverForegroundThemeBrush" Color="{DynamicResource SystemColorHighlightTextColor}" />
-    <!-- Resources for Slider.xaml -->
-    <x:Double x:Key="SliderOutsideTickBarThemeHeight">4</x:Double>
-    <x:Double x:Key="SliderTrackThemeHeight">2</x:Double>
-    <Thickness x:Key="SliderBorderThemeThickness">0</Thickness>
-    <Thickness x:Key="SliderHeaderThemeMargin">0,0,0,4</Thickness>
-    <FontWeight x:Key="SliderHeaderThemeFontWeight">Normal</FontWeight>
-    <StaticResource x:Key="SliderContainerBackground" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundPointerOver" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundPressed" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundDisabled" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderThumbBackground" ResourceKey="SystemControlForegroundAccentBrush" />
-    <StaticResource x:Key="SliderThumbBackgroundPointerOver" ResourceKey="SystemAccentColorLight1" />
-    <StaticResource x:Key="SliderThumbBackgroundPressed" ResourceKey="SystemAccentColorDark1" />
-    <StaticResource x:Key="SliderThumbBackgroundDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderTrackFill" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTrackFillPointerOver" ResourceKey="SystemControlForegroundBaseMediumBrush" />
-    <StaticResource x:Key="SliderTrackFillPressed" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTrackFillDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderTrackValueFill" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillPointerOver" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillPressed" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderHeaderForeground" ResourceKey="SystemControlForegroundBaseHighBrush" />
-    <StaticResource x:Key="SliderHeaderForegroundDisabled" ResourceKey="SystemControlDisabledBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTickBarFill" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTickBarFillDisabled" ResourceKey="SystemControlDisabledBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderInlineTickBarFill" ResourceKey="SystemControlBackgroundAltHighBrush" />
-    <SolidColorBrush x:Key="SliderBorderThemeBrush" Color="Transparent" />
-    <SolidColorBrush x:Key="SliderDisabledBorderThemeBrush" Color="Transparent" />
-    <SolidColorBrush x:Key="SliderThumbBackgroundThemeBrush" Color="#FFFFFFFF" />
-    <SolidColorBrush x:Key="SliderThumbBorderThemeBrush" Color="#FFFFFFFF" />
-    <SolidColorBrush x:Key="SliderThumbDisabledBackgroundThemeBrush" Color="#FF7E7E7E" />
-    <SolidColorBrush x:Key="SliderThumbPointerOverBackgroundThemeBrush" Color="#FFFFFFFF" />
-    <SolidColorBrush x:Key="SliderThumbPointerOverBorderThemeBrush" Color="#FFFFFFFF" />
-    <SolidColorBrush x:Key="SliderThumbPressedBackgroundThemeBrush" Color="#FFFFFFFF" />
-    <SolidColorBrush x:Key="SliderThumbPressedBorderThemeBrush" Color="#FFFFFFFF" />
-    <SolidColorBrush x:Key="SliderTickMarkInlineBackgroundThemeBrush" Color="Black" />
-    <SolidColorBrush x:Key="SliderTickMarkInlineDisabledForegroundThemeBrush" Color="Black" />
-    <SolidColorBrush x:Key="SliderTickmarkOutsideBackgroundThemeBrush" Color="#80FFFFFF" />
-    <SolidColorBrush x:Key="SliderTickMarkOutsideDisabledForegroundThemeBrush" Color="#80FFFFFF" />
-    <SolidColorBrush x:Key="SliderTrackBackgroundThemeBrush" Color="#29FFFFFF" />
-    <SolidColorBrush x:Key="SliderTrackDecreaseBackgroundThemeBrush" Color="#FF5B2EC5" />
-    <SolidColorBrush x:Key="SliderTrackDecreaseDisabledBackgroundThemeBrush" Color="#1FFFFFFF" />
-    <SolidColorBrush x:Key="SliderTrackDecreasePointerOverBackgroundThemeBrush" Color="#FF724BCD" />
-    <SolidColorBrush x:Key="SliderTrackDecreasePressedBackgroundThemeBrush" Color="#FF8152EF" />
-    <SolidColorBrush x:Key="SliderTrackDisabledBackgroundThemeBrush" Color="#29FFFFFF" />
-    <SolidColorBrush x:Key="SliderTrackPointerOverBackgroundThemeBrush" Color="#46FFFFFF" />
-    <SolidColorBrush x:Key="SliderTrackPressedBackgroundThemeBrush" Color="#59FFFFFF" />
-    <SolidColorBrush x:Key="SliderHeaderForegroundThemeBrush" Color="#FFFFFFFF" />
   </Style.Resources>
 </Style>
diff --git a/src/Avalonia.Themes.Fluent/Accents/FluentControlResourcesLight.xaml b/src/Avalonia.Themes.Fluent/Accents/FluentControlResourcesLight.xaml
index 1837179f50..15e157f573 100644
--- a/src/Avalonia.Themes.Fluent/Accents/FluentControlResourcesLight.xaml
+++ b/src/Avalonia.Themes.Fluent/Accents/FluentControlResourcesLight.xaml
@@ -1,6 +1,6 @@
-<Style xmlns="https://github.com/avaloniaui" 
-  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
-  xmlns:sys="clr-namespace:System;assembly=netstandard">
+<Style xmlns="https://github.com/avaloniaui"
+       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+       xmlns:sys="clr-namespace:System;assembly=netstandard">
   <Style.Resources>
     <!-- Resources for Button.xaml -->
     <StaticResource x:Key="AccentButtonBackground" ResourceKey="SystemControlBackgroundAccentBrush" />
@@ -343,54 +343,5 @@
     <SolidColorBrush x:Key="RadioButtonPressedBorderThemeBrush" Color="#FF000000" />
     <SolidColorBrush x:Key="RadioButtonPressedForegroundThemeBrush" Color="#FFFFFFFF" />
     <SolidColorBrush x:Key="RadioButtonContentPointerOverForegroundThemeBrush" Color="{DynamicResource SystemColorHighlightTextColor}" />
-    <!-- Resources for Slider.xaml -->
-    <x:Double x:Key="SliderOutsideTickBarThemeHeight">4</x:Double>
-    <x:Double x:Key="SliderTrackThemeHeight">2</x:Double>
-    <Thickness x:Key="SliderBorderThemeThickness">0</Thickness>
-    <Thickness x:Key="SliderHeaderThemeMargin">0,0,0,4</Thickness>
-    <FontWeight x:Key="SliderHeaderThemeFontWeight">Normal</FontWeight>
-    <StaticResource x:Key="SliderContainerBackground" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundPointerOver" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundPressed" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderContainerBackgroundDisabled" ResourceKey="SystemControlTransparentBrush" />
-    <StaticResource x:Key="SliderThumbBackground" ResourceKey="SystemControlForegroundAccentBrush" />
-    <StaticResource x:Key="SliderThumbBackgroundPointerOver" ResourceKey="SystemAccentColorLight1" />
-    <StaticResource x:Key="SliderThumbBackgroundPressed" ResourceKey="SystemAccentColorDark1" />
-    <StaticResource x:Key="SliderThumbBackgroundDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderTrackFill" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTrackFillPointerOver" ResourceKey="SystemControlForegroundBaseMediumBrush" />
-    <StaticResource x:Key="SliderTrackFillPressed" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTrackFillDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderTrackValueFill" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillPointerOver" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillPressed" ResourceKey="SystemControlHighlightAccentBrush" />
-    <StaticResource x:Key="SliderTrackValueFillDisabled" ResourceKey="SystemControlDisabledChromeDisabledHighBrush" />
-    <StaticResource x:Key="SliderHeaderForeground" ResourceKey="SystemControlForegroundBaseHighBrush" />
-    <StaticResource x:Key="SliderHeaderForegroundDisabled" ResourceKey="SystemControlDisabledBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTickBarFill" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderTickBarFillDisabled" ResourceKey="SystemControlDisabledBaseMediumLowBrush" />
-    <StaticResource x:Key="SliderInlineTickBarFill" ResourceKey="SystemControlBackgroundAltHighBrush" />
-    <SolidColorBrush x:Key="SliderBorderThemeBrush" Color="Transparent" />
-    <SolidColorBrush x:Key="SliderDisabledBorderThemeBrush" Color="Transparent" />
-    <SolidColorBrush x:Key="SliderThumbBackgroundThemeBrush" Color="#FF000000" />
-    <SolidColorBrush x:Key="SliderThumbBorderThemeBrush" Color="#FF000000" />
-    <SolidColorBrush x:Key="SliderThumbDisabledBackgroundThemeBrush" Color="#FF929292" />
-    <SolidColorBrush x:Key="SliderThumbPointerOverBackgroundThemeBrush" Color="#FF000000" />
-    <SolidColorBrush x:Key="SliderThumbPointerOverBorderThemeBrush" Color="#FF000000" />
-    <SolidColorBrush x:Key="SliderThumbPressedBackgroundThemeBrush" Color="#FF000000" />
-    <SolidColorBrush x:Key="SliderThumbPressedBorderThemeBrush" Color="#FF000000" />
-    <SolidColorBrush x:Key="SliderTickMarkInlineBackgroundThemeBrush" Color="White" />
-    <SolidColorBrush x:Key="SliderTickMarkInlineDisabledForegroundThemeBrush" Color="White" />
-    <SolidColorBrush x:Key="SliderTickmarkOutsideBackgroundThemeBrush" Color="#80000000" />
-    <SolidColorBrush x:Key="SliderTickMarkOutsideDisabledForegroundThemeBrush" Color="#80000000" />
-    <SolidColorBrush x:Key="SliderTrackBackgroundThemeBrush" Color="#1A000000" />
-    <SolidColorBrush x:Key="SliderTrackDecreaseBackgroundThemeBrush" Color="#FF4617B4" />
-    <SolidColorBrush x:Key="SliderTrackDecreaseDisabledBackgroundThemeBrush" Color="#1C000000" />
-    <SolidColorBrush x:Key="SliderTrackDecreasePointerOverBackgroundThemeBrush" Color="#FF5F37BE" />
-    <SolidColorBrush x:Key="SliderTrackDecreasePressedBackgroundThemeBrush" Color="#FF7241E4" />
-    <SolidColorBrush x:Key="SliderTrackDisabledBackgroundThemeBrush" Color="#1A000000" />
-    <SolidColorBrush x:Key="SliderTrackPointerOverBackgroundThemeBrush" Color="#26000000" />
-    <SolidColorBrush x:Key="SliderTrackPressedBackgroundThemeBrush" Color="#33000000" />
-    <SolidColorBrush x:Key="SliderHeaderForegroundThemeBrush" Color="#FF000000" />
   </Style.Resources>
 </Style>
diff --git a/src/Avalonia.Themes.Fluent/Slider.xaml b/src/Avalonia.Themes.Fluent/Slider.xaml
index 7afbac5f63..b21cbf3650 100644
--- a/src/Avalonia.Themes.Fluent/Slider.xaml
+++ b/src/Avalonia.Themes.Fluent/Slider.xaml
@@ -1,252 +1,93 @@
-<Styles xmlns="https://github.com/avaloniaui" 
-  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-  <Design.PreviewWith>
-    <Border Margin="20" Width="200" Height="200">
-      <DockPanel LastChildFill="True">
-        <StackPanel Spacing="10" DockPanel.Dock="Top">
-          <Slider Value="50" />
-          <Slider IsEnabled="False" Value="50" />
-        </StackPanel>
-        <StackPanel Spacing="10" Orientation="Horizontal">
-          <Slider Value="50" Orientation="Vertical" />
-          <Slider IsEnabled="False" Orientation="Vertical" Value="50" />
-        </StackPanel>
-      </DockPanel>
-    </Border>
-  </Design.PreviewWith>
-  <Styles.Resources>
-    <Thickness x:Key="SliderTopHeaderMargin">0,0,0,4</Thickness>
-    <GridLength x:Key="SliderPreContentMargin">15</GridLength>
-    <GridLength x:Key="SliderPostContentMargin">15</GridLength>
-    <x:Double x:Key="SliderHorizontalHeight">32</x:Double>
-    <x:Double x:Key="SliderVerticalWidth">32</x:Double>
-    <CornerRadius x:Key="SliderThumbCornerRadius">10</CornerRadius>
-    <x:Double x:Key="SliderHorizontalThumbWidth">20</x:Double>
-    <x:Double x:Key="SliderHorizontalThumbHeight">20</x:Double>
-    <x:Double x:Key="SliderVerticalThumbWidth">20</x:Double>
-    <x:Double x:Key="SliderVerticalThumbHeight">20</x:Double>
-  </Styles.Resources>
-
-  <Style Selector="Thumb.SliderThumbStyle">
-    <Setter Property="BorderThickness" Value="0" />
-    <Setter Property="Template">
-      <Setter.Value>
-        <ControlTemplate>
-          <Border Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="{DynamicResource SliderThumbCornerRadius}" />
-        </ControlTemplate>
-      </Setter.Value>
-    </Setter>
-  </Style>
-
+<Styles xmlns="https://github.com/avaloniaui">
   <Style Selector="Slider:horizontal">
-    <Setter Property="Background" Value="{DynamicResource SliderTrackFill}" />
-    <Setter Property="BorderThickness" Value="{DynamicResource SliderBorderThemeThickness}" />
-    <Setter Property="Foreground" Value="{DynamicResource SliderTrackValueFill}" />
-    <Setter Property="FontFamily" Value="{DynamicResource ContentControlThemeFontFamily}" />
-    <Setter Property="FontSize" Value="{DynamicResource ControlContentThemeFontSize}" />
+    <Setter Property="MinWidth" Value="40"/>
+    <Setter Property="MinHeight" Value="20"/>
     <Setter Property="Template">
       <ControlTemplate>
-        <Border BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" CornerRadius="{DynamicResource ControlCornerRadius}">
-          <Grid Name="grid" Margin="{TemplateBinding Padding}" RowDefinitions="Auto, *">
-            <ContentPresenter x:Name="HeaderContentPresenter" Grid.Row="0" TextBlock.FontWeight="{DynamicResource SliderHeaderThemeFontWeight}" TextBlock.Foreground="{DynamicResource SliderHeaderForeground}" Margin="{DynamicResource SliderTopHeaderMargin}" />
-            <Grid x:Name="SliderContainer" Grid.Row="1">
-              <Grid.Styles>
-                <Style Selector="TickBar"> 
-                  <Setter Property="ReservedSpace" Value="{Binding #PART_Track.Thumb.Bounds}" />
-                </Style>
-              </Grid.Styles>
-              <Grid x:Name="HorizontalTemplate" ColumnDefinitions="Auto,Auto,*" MinHeight="{DynamicResource SliderHorizontalHeight}">
-                <Grid.RowDefinitions>
-                  <RowDefinition Height="{DynamicResource SliderPreContentMargin}" />
-                  <RowDefinition Height="Auto" />
-                  <RowDefinition Height="{DynamicResource SliderPostContentMargin}" />
-                </Grid.RowDefinitions>
-
-                <TickBar Name="TopTickBar" Placement="Top" Height="{DynamicResource SliderOutsideTickBarThemeHeight}" VerticalAlignment="Bottom" Margin="0,0,0,4" Grid.ColumnSpan="3" />
-                
-                <!-- <TickBar Name="HorizontalInlineTickBar" Placement="Top" Fill="{DynamicResource SliderInlineTickBarFill}" Height="{DynamicResource SliderTrackThemeHeight}" Grid.Row="1" Grid.ColumnSpan="3" /> -->
-                
-                <TickBar Name="BottomTickBar" Placement="Bottom" Height="{DynamicResource SliderOutsideTickBarThemeHeight}" VerticalAlignment="Top" Margin="0,4,0,0" Grid.Row="2" Grid.ColumnSpan="3" />
-
-                <Track Name="PART_Track" Grid.Row="1" Grid.ColumnSpan="3" Orientation="Horizontal">
-                  <Track.DecreaseButton>
-                    <RepeatButton Name="PART_DecreaseButton" Background="{TemplateBinding Foreground}">
-                      <RepeatButton.Template>
-                        <ControlTemplate>
-                          <Grid>
-                            <Border Name="FocusTarget" Background="Transparent" Margin="0,-10"/>
-                            <Border Name="TrackBackground" Background="{TemplateBinding Background}" CornerRadius="{DynamicResource ControlCornerRadius}" Height="{DynamicResource SliderTrackThemeHeight}" VerticalAlignment="Center"/>
-                          </Grid>
-                        </ControlTemplate>
-                      </RepeatButton.Template>
-                    </RepeatButton>
-                  </Track.DecreaseButton>
-                  <Track.IncreaseButton>
-                    <RepeatButton Name="PART_IncreaseButton" Background="{TemplateBinding Background}">
-                      <RepeatButton.Template>
-                        <ControlTemplate>
-                          <Grid>
-                            <Border Name="FocusTarget" Background="Transparent" Margin="0,-10"/>
-                            <Border Name="TrackBackground" Background="{TemplateBinding Background}" CornerRadius="{DynamicResource ControlCornerRadius}" Height="{DynamicResource SliderTrackThemeHeight}" VerticalAlignment="Center"/>
-                          </Grid>
-                        </ControlTemplate>
-                      </RepeatButton.Template>
-                    </RepeatButton>
-                  </Track.IncreaseButton>
-                  <Thumb Classes="SliderThumbStyle" Name="thumb" Margin="0" Padding="0" DataContext="{TemplateBinding Value}" Height="{DynamicResource SliderHorizontalThumbHeight}" Width="{DynamicResource SliderHorizontalThumbWidth}" />
-                </Track>
-              </Grid>
-            </Grid>
-          </Grid>
-        </Border>
+        <Grid Name="grid">
+          <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto" MinHeight="20"/>
+            <RowDefinition Height="Auto"/>
+          </Grid.RowDefinitions>
+          <Border Name="TrackBackground" Grid.Row="1" Height="4" Margin="6,0" VerticalAlignment="Center"/>
+          <Track Name="PART_Track" Grid.Row="1" Orientation="Horizontal">
+            <Track.DecreaseButton>
+               <RepeatButton Name="PART_DecreaseButton"
+                             Classes="repeattrack" />
+            </Track.DecreaseButton>
+            <Track.IncreaseButton>
+               <RepeatButton Name="PART_IncreaseButton"
+                             Classes="repeattrack" />
+            </Track.IncreaseButton>
+            <Thumb Name="thumb" MinWidth="20" MinHeight="20">
+              <Thumb.Template>
+                <ControlTemplate>
+                  <Grid>
+                    <Ellipse Width="12" Height="12" Fill="{DynamicResource ThemeAccentBrush}"/>
+                  </Grid>
+                </ControlTemplate>
+              </Thumb.Template>
+            </Thumb>
+          </Track>
+        </Grid>
       </ControlTemplate>
     </Setter>
   </Style>
-
   <Style Selector="Slider:vertical">
-    <Setter Property="Background" Value="{DynamicResource SliderTrackFill}" />
-    <Setter Property="BorderThickness" Value="{DynamicResource SliderBorderThemeThickness}" />
-    <Setter Property="Foreground" Value="{DynamicResource SliderTrackValueFill}" />
-    <Setter Property="FontFamily" Value="{DynamicResource ContentControlThemeFontFamily}" />
-    <Setter Property="FontSize" Value="{DynamicResource ControlContentThemeFontSize}" />
+    <Setter Property="MinWidth" Value="20"/>
+    <Setter Property="MinHeight" Value="40"/>
     <Setter Property="Template">
       <ControlTemplate>
-        <Border BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" CornerRadius="{DynamicResource ControlCornerRadius}">
-          <Grid Name="grid" Margin="{TemplateBinding Padding}" RowDefinitions="Auto, *">
-            <ContentPresenter x:Name="HeaderContentPresenter" Grid.Row="0" TextBlock.FontWeight="{DynamicResource SliderHeaderThemeFontWeight}" TextBlock.Foreground="{DynamicResource SliderHeaderForeground}" Margin="{DynamicResource SliderTopHeaderMargin}" />
-            <Grid x:Name="SliderContainer" Grid.Row="1">
-              <Grid.Styles>
-                <Style Selector="TickBar"> 
-                  <Setter Property="ReservedSpace" Value="{Binding #PART_Track.Thumb.Bounds}" />
-                </Style>
-              </Grid.Styles>
-              <Grid x:Name="VerticalTemplate" RowDefinitions="*,Auto,Auto" MinWidth="{DynamicResource SliderVerticalWidth}">
-                <Grid.ColumnDefinitions>
-                  <ColumnDefinition Width="{DynamicResource SliderPreContentMargin}" />
-                  <ColumnDefinition Width="Auto" />
-                  <ColumnDefinition Width="{DynamicResource SliderPostContentMargin}" />
-                </Grid.ColumnDefinitions>
- 
-                <TickBar Name="LeftTickBar" Placement="Left" Width="{DynamicResource SliderOutsideTickBarThemeHeight}" HorizontalAlignment="Right" Margin="0,0,4,0" Grid.RowSpan="3" />
-                
-                <!-- <TickBar Name="VerticalInlineTickBar" Placement="Left" Fill="{DynamicResource SliderInlineTickBarFill}" Width="{DynamicResource SliderTrackThemeHeight}" Grid.Column="1" Grid.RowSpan="3" /> -->
-
-                <TickBar Name="RightTickBar" Placement="Right" Width="{DynamicResource SliderOutsideTickBarThemeHeight}" HorizontalAlignment="Left" Margin="4,0,0,0" Grid.Column="2" Grid.RowSpan="3" /> 
-
-                <Track Name="PART_Track" Grid.Column="1" Grid.ColumnSpan="1" Grid.RowSpan="3" Orientation="Vertical">
-                  <Track.DecreaseButton>
-                    <RepeatButton Name="PART_DecreaseButton" Background="{TemplateBinding Foreground}">
-                      <RepeatButton.Template>
-                        <ControlTemplate>
-                          <Grid>
-                            <Border Name="FocusTarget" Background="Transparent" Margin="0,-10"/>
-                            <Border Name="TrackBackground" Background="{TemplateBinding Background}" CornerRadius="{DynamicResource ControlCornerRadius}" Width="{DynamicResource SliderTrackThemeHeight}" HorizontalAlignment="Center"/>
-                          </Grid>
-                        </ControlTemplate>
-                      </RepeatButton.Template>
-                    </RepeatButton>
-                  </Track.DecreaseButton>
-                  <Track.IncreaseButton>
-                    <RepeatButton Name="PART_IncreaseButton" Background="{TemplateBinding Background}">
-                      <RepeatButton.Template>
-                        <ControlTemplate>
-                          <Grid>
-                            <Border Name="FocusTarget" Background="Transparent" Margin="0,-10"/>
-                            <Border Name="TrackBackground" Background="{TemplateBinding Background}" CornerRadius="{DynamicResource ControlCornerRadius}" Width="{DynamicResource SliderTrackThemeHeight}" HorizontalAlignment="Center"/>
-                          </Grid>
-                        </ControlTemplate>
-                      </RepeatButton.Template>
-                    </RepeatButton>
-                  </Track.IncreaseButton>
-                  <Thumb Classes="SliderThumbStyle" Name="SliderThumb" Margin="0" Padding="0" DataContext="{TemplateBinding Value}" Height="{DynamicResource SliderVerticalThumbHeight}" Width="{DynamicResource SliderVerticalThumbWidth}" />
-                </Track>
-              </Grid>
-            </Grid>
-          </Grid>
-        </Border>
+        <Grid>
+          <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="Auto"/>
+            <ColumnDefinition Width="Auto" MinWidth="26"/>
+            <ColumnDefinition Width="Auto"/>
+          </Grid.ColumnDefinitions>
+          <Border Name="TrackBackground" Grid.Column="1" Width="4" Margin="0,6" HorizontalAlignment="Center"/>
+          <Track Name="PART_Track" Grid.Column="1" Orientation="Vertical" IsDirectionReversed="True">
+            <Track.DecreaseButton>
+               <RepeatButton Name="PART_DecreaseButton"
+                             Classes="repeattrack" />
+            </Track.DecreaseButton>
+            <Track.IncreaseButton>
+               <RepeatButton Name="PART_IncreaseButton"
+                             Classes="repeattrack" />
+            </Track.IncreaseButton>
+            <Thumb Name="thumb" MinWidth="20" MinHeight="20">
+              <Thumb.Template>
+                <ControlTemplate>
+                  <Grid>
+                    <Ellipse Width="12" Height="12" Fill="{DynamicResource ThemeAccentBrush}"/>
+                  </Grid>
+                </ControlTemplate>
+              </Thumb.Template>
+            </Thumb>
+          </Track>
+        </Grid>
       </ControlTemplate>
     </Setter>
   </Style>
-
   <Style Selector="Slider /template/ Track#PART_Track">
     <Setter Property="Minimum" Value="{TemplateBinding Minimum}"/>
     <Setter Property="Maximum" Value="{TemplateBinding Maximum}"/>
     <Setter Property="Value" Value="{TemplateBinding Value, Mode=TwoWay}"/>
   </Style>
-
-  <Style Selector="Slider /template/ TickBar">
-    <Setter Property="Fill" Value="{DynamicResource SliderTickBarFill}" />
-    <Setter Property="TickFrequency" Value="{TemplateBinding Slider.TickFrequency}" />
-    <Setter Property="Orientation" Value="{TemplateBinding Slider.Orientation}" />
-    <Setter Property="Minimum" Value="{TemplateBinding Slider.Minimum}" />
-    <Setter Property="Maximum" Value="{TemplateBinding Slider.Maximum}" />
-  </Style>
-
-  <!-- Normal State -->
-  <Style Selector="Slider /template/ Thumb.SliderThumbStyle">
-    <Setter Property="Background" Value="{DynamicResource SliderThumbBackground}" />
-  </Style>
-
-  <Style Selector="Slider /template/ Grid#SliderContainer">
-    <Setter Property="Background" Value="{DynamicResource SliderContainerBackground}" />
-  </Style>
-
-  <!-- Disabled State -->
-  <Style Selector="Slider:disabled /template/ ContentPresenter#HeaderContentPresenter">
-    <Setter Property="TextBlock.Foreground" Value="{DynamicResource SliderHeaderForegroundDisabled}" />
-  </Style>
-
-  <Style Selector="Slider:disabled /template/ RepeatButton#PART_DecreaseButton">
-    <Setter Property="Background" Value="{DynamicResource SliderTrackValueFillDisabled}" />
-  </Style>
-
-  <Style Selector="Slider:disabled /template/ RepeatButton#PART_IncreaseButton">
-    <Setter Property="Background" Value="{DynamicResource SliderTrackFillDisabled}" />
-  </Style>
-
-  <Style Selector="Slider:disabled /template/ Thumb.SliderThumbStyle">
-    <Setter Property="Background" Value="{DynamicResource SliderThumbBackgroundDisabled}" />
-  </Style>
-
-  <Style Selector="Slider:disabled /template/ TickBar">
-    <Setter Property="Fill" Value="{DynamicResource SliderTickBarFillDisabled}" />
+  <Style Selector="Slider /template/ Border#TrackBackground">
+    <Setter Property="BorderThickness" Value="2"/>
+    <Setter Property="BorderBrush" Value="{DynamicResource ThemeBorderLowBrush}"/>
   </Style>
- 
-  <Style Selector="Slider:pointerover /template/ Grid#SliderContainer">
-    <Setter Property="Background" Value="{DynamicResource SliderContainerBackgroundDisabled}" />
-  </Style>
-
-  <!-- PointerOver State -->
-  <Style Selector="Slider:pointerover /template/ RepeatButton#PART_IncreaseButton">
-    <Setter Property="Background" Value="{DynamicResource SliderTrackFillPointerOver}" />
-  </Style>
-
-  <Style Selector="Slider:pointerover /template/ Thumb.SliderThumbStyle">
-    <Setter Property="Background" Value="{DynamicResource SliderThumbBackgroundPointerOver}" />
-  </Style>
-
-  <Style Selector="Slider:pointerover /template/ Grid#SliderContainer">
-    <Setter Property="Background" Value="{DynamicResource SliderContainerBackgroundPointerOver}" />
-  </Style>
-
-  <Style Selector="Slider:pointerover /template/ RepeatButton#PART_DecreaseButton">
-    <Setter Property="Background" Value="{DynamicResource SliderTrackValueFillPointerOver}" />
-  </Style>
-
-  <!-- Pressed State -->
-  <Style Selector="Slider:pressed /template/ RepeatButton#PART_IncreaseButton">
-    <Setter Property="Background" Value="{DynamicResource SliderTrackFillPressed}" />
-  </Style>
-
-  <Style Selector="Slider:pressed /template/ Thumb.SliderThumbStyle">
-    <Setter Property="Background" Value="{DynamicResource SliderThumbBackgroundPressed}" />
-  </Style>
-
-  <Style Selector="Slider:pointerover /template/ Grid#SliderContainer">
-    <Setter Property="Background" Value="{DynamicResource SliderContainerBackgroundPressed}" />
-  </Style>
-
-  <Style Selector="Slider:pointerover /template/ RepeatButton#PART_DecreaseButton">
-    <Setter Property="Background" Value="{DynamicResource SliderTrackValueFillPressed}" />
+  <Style Selector="Slider /template/ RepeatButton.repeattrack">
+    <Setter Property="Background" Value="Transparent"/>
+    <Setter Property="Foreground" Value="{DynamicResource ThemeBorderLowBrush}"/>
+    <Setter Property="Template">
+        <ControlTemplate>
+            <Border Background="{TemplateBinding Background}" />
+        </ControlTemplate>
+    </Setter>
   </Style>
+    <Style Selector="Slider:disabled /template/ Grid#grid">
+        <Setter Property="Opacity" Value="{DynamicResource ThemeDisabledOpacity}" />
+    </Style>
 </Styles>