Add OptionsSlider and wire up volume sliders

osu.Game/Overlays/Options/Audio/VolumeOptions.cs

@@ -3,6 +3,7 @@
 
 using osu.Framework;
 using osu.Framework.Allocation;
+using osu.Framework.Audio;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
@@ -14,21 +15,15 @@ namespace osu.Game.Overlays.Options.Audio
     {
         protected override string Header => "Volume";
 
-        private CheckBoxOption ignoreHitsounds;
-
-        public VolumeOptions()
-        {
-        }
-
         [BackgroundDependencyLoader]
-        private void load(OsuConfigManager config)
+        private void load(OsuConfigManager config, AudioManager audio)
         {
             Children = new Drawable[]
             {
-                new SpriteText { Text = "Master: TODO slider" },
+                new OptionsSlider { Label = "Master", Bindable = audio.Volume },
-                new SpriteText { Text = "Music: TODO slider" },
+                new OptionsSlider { Label = "Effect", Bindable = audio.VolumeSample },
-                new SpriteText { Text = "Effect: TODO slider" },
+                new OptionsSlider { Label = "Music", Bindable = audio.VolumeTrack },
-                ignoreHitsounds = new CheckBoxOption
+                new CheckBoxOption
                 {
                     LabelText = "Ignore beatmap hitsounds",
                     Bindable = config.GetBindable<bool>(OsuConfig.IgnoreBeatmapSamples)

osu.Game/Overlays/Options/OptionsSlider.cs

@@ -0,0 +1,48 @@
+using System;
+using OpenTK.Graphics;
+using osu.Framework.Configuration;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Primitives;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.UserInterface;
+
+namespace osu.Game.Overlays.Options
+{
+    public class OptionsSlider : FlowContainer
+    {
+        private SliderBar slider;
+        private SpriteText text;
+    
+        public string Label
+        {
+            get { return text.Text; }
+            set { text.Text = value; }
+        }
+        
+        public BindableDouble Bindable
+        {
+            get { return slider.Bindable; }
+            set { slider.Bindable = value; }
+        }
+
+        public OptionsSlider()
+        {
+            Direction = FlowDirection.VerticalOnly;
+            RelativeSizeAxes = Axes.X;
+            AutoSizeAxes = Axes.Y;
+            Children = new Drawable[]
+            {
+                text = new SpriteText(),
+                slider = new SliderBar
+                {
+                    Margin = new MarginPadding { Top = 5 },
+                    Height = 10,
+                    RelativeSizeAxes = Axes.X,
+                    Color = Color4.White,
+                    SelectionColor = new Color4(255, 102, 170, 255),
+                }
+            };
+        }
+    }
+}

osu.Game/osu.Game.csproj

@@ -222,6 +222,7 @@
     <Compile Include="Overlays\Options\CheckBoxOption.cs" />
     <Compile Include="Overlays\Options\SidebarButton.cs" />
     <Compile Include="Overlays\Options\TextBoxOption.cs" />
+    <Compile Include="Overlays\Options\OptionsSlider.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\osu-framework\osu.Framework\osu.Framework.csproj">