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Allow adjusting volume controls via a drag #26564

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merged 5 commits into from Jan 17, 2024
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11 changes: 10 additions & 1 deletion osu.Game.Tests/Visual/UserInterface/TestSceneVolumePieces.cs
Expand Up @@ -14,14 +14,23 @@ protected override void LoadComplete()
{
VolumeMeter meter;
MuteButton mute;
Add(meter = new VolumeMeter("MASTER", 125, Color4.Blue) { Position = new Vector2(10) });
Add(meter = new VolumeMeter("MASTER", 125, Color4.Green) { Position = new Vector2(10) });
AddSliderStep("master volume", 0, 10, 0, i => meter.Bindable.Value = i * 0.1);

Add(new VolumeMeter("BIG", 250, Color4.Red)
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Position = new Vector2(10),
Margin = new MarginPadding { Left = 250 },
});

Add(new VolumeMeter("SML", 125, Color4.Blue)
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Position = new Vector2(10),
Margin = new MarginPadding { Right = 500 },
});

Add(mute = new MuteButton
Expand Down
27 changes: 27 additions & 0 deletions osu.Game/Overlays/Volume/VolumeMeter.cs
Expand Up @@ -313,6 +313,33 @@ public double Volume

private void resetAcceleration() => accelerationModifier = 1;

private float dragDelta;

protected override bool OnDragStart(DragStartEvent e)
{
dragDelta = 0;
adjustFromDrag(e.Delta);
return true;
}

protected override void OnDrag(DragEvent e)
{
adjustFromDrag(e.Delta);
base.OnDrag(e);
}

private void adjustFromDrag(Vector2 delta)
{
const float mouse_drag_divisor = 200;

dragDelta += delta.Y / mouse_drag_divisor;

if (Math.Abs(dragDelta) < 0.01) return;

Volume -= dragDelta;
dragDelta = 0;
}

private void adjust(double delta, bool isPrecise)
{
if (delta == 0)
Expand Down