fix manual load queue

wgp.py

@@ -756,6 +756,28 @@ def autoload_queue(state):
 
     return dataframe_update, loaded_flag, state
 
+def run_autoload_and_prepare_ui(current_state):
+    df_update, loaded_flag, modified_state = autoload_queue(current_state)
+    should_start_processing = loaded_flag
+    accordion_update = gr.Accordion(open=True) if loaded_flag else gr.update()
+    return df_update, gr.update(visible=loaded_flag), accordion_update, should_start_processing, modified_state
+
+def start_processing_if_needed(should_start, current_state):
+    if not isinstance(current_state, dict) or 'gen' not in current_state:
+         yield "Error: Invalid state received before processing."
+         return
+    if should_start:
+        yield from process_tasks(current_state)
+    else:
+        yield None
+
+def finalize_generation_with_state(current_state):
+     if not isinstance(current_state, dict) or 'gen' not in current_state:
+         return gr.update(), gr.update(interactive=True), gr.update(visible=True), gr.update(visible=False), gr.update(visible=False), gr.update(visible=False, value=""), gr.update(), current_state
+
+     gallery_update, abort_btn_update, gen_btn_update, add_queue_btn_update, current_gen_col_update, gen_info_update = finalize_generation(current_state)
+     accordion_update = gr.Accordion(open=False) if len(get_gen_info(current_state).get("queue", [])) <= 1 else gr.update()
+     return gallery_update, abort_btn_update, gen_btn_update, add_queue_btn_update, current_gen_col_update, gen_info_update, accordion_update, current_state
 
 def get_queue_table(queue):
     data = []
@@ -3503,6 +3525,7 @@ def generate_video_tab(update_form = False, state_dict = None, ui_defaults = Non
                 js=trigger_zip_download_js
             )
 
+            should_start_flag = gr.State(False)
             load_queue_btn.upload(
                 fn=load_queue_action,
                 inputs=[load_queue_btn, state],
@@ -3511,6 +3534,28 @@ def generate_video_tab(update_form = False, state_dict = None, ui_defaults = Non
                  fn=lambda s: (gr.update(visible=bool(get_gen_info(s).get("queue",[]))), gr.Accordion(open=True)) if bool(get_gen_info(s).get("queue",[])) else (gr.update(visible=False), gr.update()),
                  inputs=[state],
                  outputs=[current_gen_column, queue_accordion]
+            ).then(
+                fn=lambda s: (
+                    (gr.Button(visible=False), gr.Button(visible=True), gr.Column(visible=True), True)
+                    if bool(get_gen_info(s).get("queue",[]))
+                    else (gr.Button(visible=True), gr.Button(visible=False), gr.Column(visible=False), False)
+                ),
+                inputs=[state],
+                outputs=[generate_btn, add_to_queue_btn, current_gen_column, should_start_flag]
+            ).then(
+                fn=start_processing_if_needed,
+                inputs=[should_start_flag, state],
+                outputs=[gen_status],
+                trigger_mode="once"
+            ).then(
+                fn=finalize_generation_with_state,
+                inputs=[state],
+                outputs=[output, abort_btn, generate_btn, add_to_queue_btn, current_gen_column, gen_info, queue_accordion, state],
+                trigger_mode="always_last"
+            ).then(
+                unload_model_if_needed,
+                 inputs= [state],
+                 outputs= []
             )
 
             clear_queue_btn.click(
@@ -4139,28 +4184,6 @@ def create_demo():
                 generate_about_tab()
 
         should_start_flag = gr.State(False)
-        def run_autoload_and_prepare_ui(current_state):
-            df_update, loaded_flag, modified_state = autoload_queue(current_state)
-            should_start_processing = loaded_flag
-            accordion_update = gr.Accordion(open=True) if loaded_flag else gr.update()
-            return df_update, gr.update(visible=loaded_flag), accordion_update, should_start_processing, modified_state
-
-        def start_processing_if_needed(should_start, current_state):
-            if not isinstance(current_state, dict) or 'gen' not in current_state:
-                 yield "Error: Invalid state received before processing."
-                 return
-            if should_start:
-                yield from process_tasks(current_state)
-            else:
-                yield None
-
-        def finalize_generation_with_state(current_state):
-             if not isinstance(current_state, dict) or 'gen' not in current_state:
-                 return gr.update(), gr.update(interactive=True), gr.update(visible=True), gr.update(visible=False), gr.update(visible=False), gr.update(visible=False, value=""), gr.update(), current_state
-
-             gallery_update, abort_btn_update, gen_btn_update, add_queue_btn_update, current_gen_col_update, gen_info_update = finalize_generation(current_state)
-             accordion_update = gr.Accordion(open=False) if len(get_gen_info(current_state).get("queue", [])) <= 1 else gr.update()
-             return gallery_update, abort_btn_update, gen_btn_update, add_queue_btn_update, current_gen_col_update, gen_info_update, accordion_update, current_state
 
         demo.load(
             fn=run_autoload_and_prepare_ui,