Method selectedKeyframe

src/visualizer/sequencer/sequencer_controller.cpp:585–597

    }

    std::optional<size_t> SequencerController::selectedKeyframe() const {
        if (!selected_keyframe_id_.has_value())
            return std::nullopt;

        const auto index = timeline_.findKeyframeIndex(*selected_keyframe_id_);
        if (!index.has_value())
            return std::nullopt;

        const auto* const keyframe = timeline_.getKeyframe(*index);
        if (!keyframe || keyframe->is_loop_point)
            return std::nullopt;
        return index;
    }

    sequencer::CameraState SequencerController::currentCameraState() const {
        return timeline_.evaluate(playhead_);