diff --git a/adetailer/ui.py b/adetailer/ui.py
index 7b6261e..fc4c9dc 100644
--- a/adetailer/ui.py
+++ b/adetailer/ui.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 
 from functools import partial
 from types import SimpleNamespace
-from typing import Any
+from typing import Any, NamedTuple
 
 import gradio as gr
 
@@ -22,6 +22,13 @@ class Widgets(SimpleNamespace):
         return [getattr(self, attr) for attr in ALL_ARGS.attrs]
 
 
+class WebuiInfo(NamedTuple):
+    ad_model_list: list[str]
+    sampler_names: list[str]
+    t2i_button: gr.Button
+    i2i_button: gr.Button
+
+
 def gr_interactive(value: bool = True):
     return gr.update(interactive=value)
 
@@ -64,10 +71,7 @@ def elem_id(item_id: str, n: int, is_img2img: bool) -> str:
 def adui(
     num_models: int,
     is_img2img: bool,
-    model_list: list[str],
-    samplers: list[str],
-    t2i_button: gr.Button,
-    i2i_button: gr.Button,
+    webui_info: WebuiInfo,
 ):
     states = []
     infotext_fields = []
@@ -97,10 +101,7 @@ def adui(
                     state, infofields = one_ui_group(
                         n=n,
                         is_img2img=is_img2img,
-                        model_list=model_list,
-                        samplers=samplers,
-                        t2i_button=t2i_button,
-                        i2i_button=i2i_button,
+                        webui_info=webui_info,
                     )
 
                 states.append(state)
@@ -111,20 +112,17 @@ def adui(
     return components, infotext_fields
 
 
-def one_ui_group(
-    n: int,
-    is_img2img: bool,
-    model_list: list[str],
-    samplers: list[str],
-    t2i_button: gr.Button,
-    i2i_button: gr.Button,
-):
+def one_ui_group(n: int, is_img2img: bool, webui_info: WebuiInfo):
     w = Widgets()
     state = gr.State({})
     eid = partial(elem_id, n=n, is_img2img=is_img2img)
 
     with gr.Row():
-        model_choices = [*model_list, "None"] if n == 0 else ["None", *model_list]
+        model_choices = (
+            [*webui_info.ad_model_list, "None"]
+            if n == 0
+            else ["None", *webui_info.ad_model_list]
+        )
 
         w.ad_model = gr.Dropdown(
             label="ADetailer model" + suffix(n),
@@ -174,13 +172,13 @@ def one_ui_group(
         with gr.Accordion(
             "Inpainting", open=False, elem_id=eid("ad_inpainting_accordion")
         ):
-            inpainting(w, n, is_img2img, samplers)
+            inpainting(w, n, is_img2img, webui_info.sampler_names)
 
     with gr.Group():
         controlnet(w, n, is_img2img)
 
     all_inputs = [state, *w.tolist()]
-    target_button = i2i_button if is_img2img else t2i_button
+    target_button = webui_info.i2i_button if is_img2img else webui_info.t2i_button
     target_button.click(
         fn=on_generate_click, inputs=all_inputs, outputs=state, queue=False
     )
@@ -280,7 +278,7 @@ def mask_preprocessing(w: Widgets, n: int, is_img2img: bool):
             )
 
 
-def inpainting(w: Widgets, n: int, is_img2img: bool, samplers: list[str]):
+def inpainting(w: Widgets, n: int, is_img2img: bool, sampler_names: list[str]):
     eid = partial(elem_id, n=n, is_img2img=is_img2img)
 
     with gr.Group():
@@ -427,8 +425,8 @@ def inpainting(w: Widgets, n: int, is_img2img: bool, samplers: list[str]):
 
                 w.ad_sampler = gr.Dropdown(
                     label="ADetailer sampler" + suffix(n),
-                    choices=samplers,
-                    value=samplers[0],
+                    choices=sampler_names,
+                    value=sampler_names[0],
                     visible=True,
                     elem_id=eid("ad_sampler"),
                 )
diff --git a/scripts/!adetailer.py b/scripts/!adetailer.py
index fee6717..33dc832 100644
--- a/scripts/!adetailer.py
+++ b/scripts/!adetailer.py
@@ -33,7 +33,7 @@ from adetailer.mask import (
     sort_bboxes,
 )
 from adetailer.traceback import rich_traceback
-from adetailer.ui import adui, ordinal, suffix
+from adetailer.ui import WebuiInfo, adui, ordinal, suffix
 from controlnet_ext import ControlNetExt, controlnet_exists, get_cn_models
 from controlnet_ext.restore import (
     CNHijackRestore,
@@ -118,18 +118,17 @@ class AfterDetailerScript(scripts.Script):
 
     def ui(self, is_img2img):
         num_models = opts.data.get("ad_max_models", 2)
-        model_list = list(model_mapping.keys())
-        samplers = [sampler.name for sampler in all_samplers]
-
-        components, infotext_fields = adui(
-            num_models,
-            is_img2img,
-            model_list,
-            samplers,
-            txt2img_submit_button,
-            img2img_submit_button,
+        ad_model_list = list(model_mapping.keys())
+        sampler_names = [sampler.name for sampler in all_samplers]
+        webui_info = WebuiInfo(
+            ad_model_list=ad_model_list,
+            sampler_names=sampler_names,
+            t2i_button=txt2img_submit_button,
+            i2i_button=img2img_submit_button,
         )
 
+        components, infotext_fields = adui(num_models, is_img2img, webui_info)
+
         self.infotext_fields = infotext_fields
         return components