add settings option to toggle button visibility

javascript/ui.js

@@ -163,7 +163,6 @@ function selected_tab_id() {
 }
 
 function trash_prompt(_,_, is_img2img) {
-//txt2img_token_button
 
 if(!confirm("Delete prompt?")) return false
 

modules/shared.py

@@ -300,6 +300,7 @@ options_templates.update(options_section(('ui', "User interface"), {
     "js_modal_lightbox": OptionInfo(True, "Enable full page image viewer"),
     "js_modal_lightbox_initially_zoomed": OptionInfo(True, "Show images zoomed in by default in full page image viewer"),
     "show_progress_in_title": OptionInfo(True, "Show generation progress in window title."),
+    "trash_prompt_visible": OptionInfo(True, "Show trash prompt button"),
     'quicksettings': OptionInfo("sd_model_checkpoint", "Quicksettings list"),
     'localization': OptionInfo("None", "Localization (requires restart)", gr.Dropdown, lambda: {"choices": ["None"] + list(localization.localizations.keys())}, refresh=lambda: localization.list_localizations(cmd_opts.localizations_dir)),
 }))

modules/ui.py

@@ -509,7 +509,7 @@ def create_toprow(is_img2img):
             paste = gr.Button(value=paste_symbol, elem_id="paste")
             save_style = gr.Button(value=save_style_symbol, elem_id="style_create")
             prompt_style_apply = gr.Button(value=apply_style_symbol, elem_id="style_apply")
-            trash_prompt = gr.Button(value=trash_prompt_symbol, elem_id="trash_prompt")
+            trash_prompt = gr.Button(value=trash_prompt_symbol, elem_id="trash_prompt", visible=opts.trash_prompt_visible)
 
             token_counter = gr.HTML(value="<span></span>", elem_id=f"{id_part}_token_counter")
             token_button = gr.Button(visible=False, elem_id=f"{id_part}_token_button")