Add settings for toggling raw input and adjusting sensitivity

osu.Game/Overlays/Settings/Sections/Input/MouseSettings.cs

@@ -14,14 +14,31 @@ public class MouseSettings : SettingsSubsection
     {
         protected override string Header => "Mouse";
 
+        private readonly BindableBool rawInputToggle = new BindableBool();
+        private Bindable<string> activeInputHandlers;
+        private SensitivitySetting sensitivity;
+
         [BackgroundDependencyLoader]
         private void load(OsuConfigManager osuConfig, FrameworkConfigManager config)
         {
+            activeInputHandlers = config.GetBindable<string>(FrameworkSetting.ActiveInputHandlers);
+            rawInputToggle.Value = activeInputHandlers.Value.Contains("Raw");
+
             Children = new Drawable[]
             {
+                new SettingsCheckbox
+                {
+                    LabelText = "Raw Input",
+                    Bindable = rawInputToggle
+                },
+                sensitivity = new SensitivitySetting
+                {
+                    LabelText = "Cursor Sensitivity",
+                    Bindable = config.GetBindable<double>(FrameworkSetting.CursorSensitivity)
+                },
                 new SettingsEnumDropdown<ConfineMouseMode>
                 {
-                    LabelText = "Confine mouse cursor",
+                    LabelText = "Confine mouse cursor to window",
                     Bindable = config.GetBindable<ConfineMouseMode>(FrameworkSetting.ConfineMouseMode),
                 },
                 new SettingsCheckbox
@@ -35,11 +52,82 @@ private void load(OsuConfigManager osuConfig, FrameworkConfigManager config)
                     Bindable = osuConfig.GetBindable<bool>(OsuSetting.MouseDisableButtons)
                 },
             };
+
+            rawInputToggle.ValueChanged += enabled =>
+            {
+                // this is temporary until we support per-handler settings.
+                const string raw_mouse_handler = @"OpenTKRawMouseHandler";
+                const string standard_mouse_handler = @"OpenTKMouseHandler";
+
+                activeInputHandlers.Value = enabled ?
+                    activeInputHandlers.Value.Replace(standard_mouse_handler, raw_mouse_handler) :
+                    activeInputHandlers.Value.Replace(raw_mouse_handler, standard_mouse_handler);
+
+                sensitivity.Bindable.Disabled = !enabled;
+            };
+
+            rawInputToggle.TriggerChange();
+        }
+
+        private class SensitivitySetting : SettingsSlider<double, SensitivitySlider>
+        {
+            public override Bindable<double> Bindable
+            {
+                get { return ((SensitivitySlider)Control).Sensitivity; }
+
+                set
+                {
+                    BindableDouble doubleValue = (BindableDouble)value;
+
+                    // create a second layer of bindable so we can only handle state changes when not being dragged.
+                    ((SensitivitySlider)Control).Sensitivity = doubleValue;
+
+                    // this bindable will still act as the "interactive" bindable displayed during a drag.
+                    base.Bindable = new BindableDouble(doubleValue.Value)
+                    {
+                        MinValue = doubleValue.MinValue,
+                        MaxValue = doubleValue.MaxValue
+                    };
+
+                    // one-way binding to update the sliderbar with changes from external actions.
+                    doubleValue.DisabledChanged += disabled => base.Bindable.Disabled = disabled;
+                    doubleValue.ValueChanged += newValue => base.Bindable.Value = newValue;
+                }
+            }
         }
 
         private class SensitivitySlider : OsuSliderBar<double>
         {
-            public override string TooltipText => Current.Value.ToString(@"0.##x");
+            public Bindable<double> Sensitivity;
+
+            public SensitivitySlider()
+            {
+                KeyboardStep = 0.01f;
+
+                Current.ValueChanged += newValue =>
+                {
+                    if (!isDragging && Sensitivity != null)
+                        Sensitivity.Value = newValue;
+                };
+            }
+
+            private bool isDragging;
+
+            protected override bool OnDragStart(InputState state)
+            {
+                isDragging = true;
+                return base.OnDragStart(state);
+            }
+
+            protected override bool OnDragEnd(InputState state)
+            {
+                isDragging = false;
+                Current.TriggerChange();
+
+                return base.OnDragEnd(state);
+            }
+
+            public override string TooltipText => Current.Disabled ? "Enable raw input to adjust sensitivity" : Current.Value.ToString(@"0.##x");
         }
     }
-}
+}

osu.Game/Overlays/Settings/SettingsItem.cs

@@ -39,7 +39,7 @@ public virtual string LabelText
         // hold a reference to the provided bindable so we don't have to in every settings section.
         private Bindable<T> bindable;
 
-        public Bindable<T> Bindable
+        public virtual Bindable<T> Bindable
         {
             get
             {