tooll3--t3/Editor/Gui/InputUi/SingleControl/BoolInputUi.cs

using ImGuiNET;
using T3.Core.Animation;
using T3.Core.DataTypes;
using T3.Core.Operator;
using T3.Core.Operator.Slots;
using T3.Editor.UiModel.InputsAndTypes;

namespace T3.Editor.Gui.InputUi.SingleControl;

public sealed class BoolInputUi : SingleControlInputUi<bool>
{
    public override bool IsAnimatable => true;

    public override IInputUi Clone()
    {
        return new BoolInputUi()
                   {
                       InputDefinition = InputDefinition,
                       Parent = Parent,
                       PosOnCanvas = PosOnCanvas,
                       Relevancy = Relevancy
                   };
    }

    protected override bool DrawSingleEditControl(string name, ref bool value)
    {
        return ImGui.Checkbox("##boolParam", ref value);
    }

    protected override void DrawReadOnlyControl(string name, ref bool value)
    {
        ImGui.TextUnformatted(value.ToString());
    }

    protected override InputEditStateFlags DrawAnimatedValue(string name, InputSlot<bool> inputSlot, Animator animator)
    {
        var time = Playback.Current.TimeInBars;
        if (!animator.TryGetCurvesForInputSlot(inputSlot, out var curves)
            || curves.Length != 1)
        {
            Log.Assert($"Animated bool requires a singe animation curve.");
            return InputEditStateFlags.Nothing;
        }

        var curve = curves[0];
        var value = curve.GetSampledValue(time) > 0.5f;

        var modified = DrawSingleEditControl(name, ref value);
        if (!modified)
            return InputEditStateFlags.Nothing;

        inputSlot.SetTypedInputValue(value);

        return InputEditStateFlags.ModifiedAndFinished;
    }

    public override void ApplyValueToAnimation(IInputSlot inputSlot, InputValue inputValue, Animator animator, double time)
    {
        if (inputValue is not InputValue<bool> boolInputValue)
            return;

        var value = boolInputValue.Value;

        if (!animator.TryGetCurvesForInputSlot(inputSlot, out var curves)
            || curves.Length != 1)
        {
            Log.Error("Expected 1 curve for bool animation");
            return;
        }

        Curve.UpdateCurveBoolValue(curves[0], time, value);
    }
}