Babushka/scripts/CSharp/Common/Inventory/SlotUi.cs

using Godot;
using System;

namespace Babushka.scripts.CSharp.Common.Inventory;

public partial class SlotUi : Control
{
    public Label nameLabel;
    public int index;
    public Label amountLabel;

    [Signal] public delegate void ClickedEventHandler(int index);

    public override void _EnterTree()
    {
        nameLabel = GetNode<Label>("NameLabel");
        amountLabel = GetNode<Label>("AmountLabel");
    }

    public void _on_gui_input(InputEvent ev)
    {
        if (ev is not InputEventMouseButton mev) return;
        
        if (mev.Pressed)
        {
            EmitSignalClicked(index);
        }
    }
}