osu/osu.Game/Input/TouchInputInterceptor.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Diagnostics;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions.TypeExtensions;
using osu.Framework.Graphics;
using osu.Framework.Input.Events;
using osu.Framework.Input.StateChanges;
using osu.Framework.Logging;
using osu.Game.Configuration;
using osuTK;
using osuTK.Input;
namespace osu.Game.Input
{
/// <summary>
/// Intercepts all positional input events and sets the appropriate <see cref="Static.TouchInputActive"/> value
/// for consumption by particular game screens.
/// </summary>
public partial class TouchInputInterceptor : Component
{
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true;
private readonly BindableBool touchInputActive = new BindableBool();
[BackgroundDependencyLoader]
private void load(SessionStatics statics)
{
statics.BindWith(Static.TouchInputActive, touchInputActive);
}
protected override bool Handle(UIEvent e)
{
bool touchInputWasActive = touchInputActive.Value;
switch (e)
{
case MouseEvent:
if (e.CurrentState.Mouse.LastSource is not ISourcedFromTouch)
{
if (touchInputWasActive)
Logger.Log($@"Touch input deactivated due to received {e.GetType().ReadableName()}", LoggingTarget.Input);
touchInputActive.Value = false;
}
break;
case TouchEvent:
if (!touchInputWasActive)
Logger.Log($@"Touch input activated due to received {e.GetType().ReadableName()}", LoggingTarget.Input);
touchInputActive.Value = true;
break;
case KeyDownEvent keyDown:
if (keyDown.Key == Key.T && keyDown.ControlPressed && keyDown.ShiftPressed)
debugToggleTouchInputActive();
break;
}
return false;
}
[Conditional("TOUCH_INPUT_DEBUG")]
private void debugToggleTouchInputActive()
{
Logger.Log($@"Debug-toggling touch input to {(touchInputActive.Value ? @"inactive" : @"active")}", LoggingTarget.Information, LogLevel.Important);
touchInputActive.Toggle();
}
}
}