From c3e17f05f343208ec2a6af816a664d773dca3278 Mon Sep 17 00:00:00 2001
From: layerdiffusion <19834515+lllyasviel@users.noreply.github.com>
Date: Mon, 29 Jul 2024 09:22:44 -0600
Subject: [PATCH] fix #880

---
 modules/ui_loadsave.py | 5 ++++-
 modules/ui_toprow.py   | 4 ++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/modules/ui_loadsave.py b/modules/ui_loadsave.py
index 0cc1ab82..5b7f916c 100644
--- a/modules/ui_loadsave.py
+++ b/modules/ui_loadsave.py
@@ -53,7 +53,10 @@ class UiLoadsave:
                 field = 'open'
 
             if saved_value is None:
-                self.ui_settings[key] = getattr(obj, field)
+                value_in_gradio = getattr(obj, field)
+                if isinstance(obj, gr.Textbox) and field == 'value' and value_in_gradio is None:
+                    value_in_gradio = ''  # Gradio 4 fix: https://github.com/lllyasviel/stable-diffusion-webui-forge/issues/880
+                self.ui_settings[key] = value_in_gradio
             elif condition and not condition(saved_value):
                 pass
             else:
diff --git a/modules/ui_toprow.py b/modules/ui_toprow.py
index dc3c3aa3..622ed587 100644
--- a/modules/ui_toprow.py
+++ b/modules/ui_toprow.py
@@ -80,11 +80,11 @@ class Toprow:
     def create_prompts(self):
         with gr.Column(elem_id=f"{self.id_part}_prompt_container", elem_classes=["prompt-container-compact"] if self.is_compact else [], scale=6):
             with gr.Row(elem_id=f"{self.id_part}_prompt_row", elem_classes=["prompt-row"]):
-                self.prompt = gr.Textbox(label="Prompt", elem_id=f"{self.id_part}_prompt", show_label=False, lines=3, placeholder="Prompt\n(Press Ctrl+Enter to generate, Alt+Enter to skip, Esc to interrupt)", elem_classes=["prompt"])
+                self.prompt = gr.Textbox(label="Prompt", elem_id=f"{self.id_part}_prompt", show_label=False, lines=3, placeholder="Prompt\n(Press Ctrl+Enter to generate, Alt+Enter to skip, Esc to interrupt)", elem_classes=["prompt"], value='')
                 self.prompt_img = gr.File(label="", elem_id=f"{self.id_part}_prompt_image", file_count="single", type="binary", visible=False)
 
             with gr.Row(elem_id=f"{self.id_part}_neg_prompt_row", elem_classes=["prompt-row"]):
-                self.negative_prompt = gr.Textbox(label="Negative prompt", elem_id=f"{self.id_part}_neg_prompt", show_label=False, lines=3, placeholder="Negative prompt\n(Press Ctrl+Enter to generate, Alt+Enter to skip, Esc to interrupt)", elem_classes=["prompt"])
+                self.negative_prompt = gr.Textbox(label="Negative prompt", elem_id=f"{self.id_part}_neg_prompt", show_label=False, lines=3, placeholder="Negative prompt\n(Press Ctrl+Enter to generate, Alt+Enter to skip, Esc to interrupt)", elem_classes=["prompt"], value='')
 
         self.prompt_img.change(
             fn=modules.images.image_data,