sbox-public/game/addons/menu/Code/MenuUI/Toasts/ToastEntry.razor

@using Sandbox;
@using Sandbox.UI;
@inherits Panel

<root onclick=@(() => Action?.Invoke())>
	@if(!string.IsNullOrEmpty(Image))
	{
		<img src="@Image" />
	}
	<div class="contents">
		<label>@Text</label>
		<div class="progress-bar">
			<div class="fill" style="width: @(100f - ((timeSinceCreated / Duration) * 100f))%;" />
		</div>
	</div>
</root>

@code
{
	public string Text { get; set; } = "Hello World!";
	public float Duration { get; set; } = 5.0f;
	public string Image { get; set; }
	public Action Action { get; set; }

	TimeSince timeSinceCreated = 0f;
	float hoverTime = 0f;

	public override void Tick ()
	{
		base.Tick();

		if ( HasHovered || LoadingScreen.IsVisible )
		{
			if (hoverTime == 0)
				hoverTime = timeSinceCreated;
			else
				timeSinceCreated = hoverTime;
		}
		else
		{
			hoverTime = 0;
		}

		if(timeSinceCreated > Duration)
		{
			Delete();
		}
	}

	protected override int BuildHash ()
	{
		return System.HashCode.Combine( timeSinceCreated.ToString() );
	}
}