From 7df7e4d22796fda11629463f2fcbe859b98b1d19 Mon Sep 17 00:00:00 2001
From: space-nuko <24979496+space-nuko@users.noreply.github.com>
Date: Tue, 14 Feb 2023 03:55:42 -0800
Subject: [PATCH] Allow extensions to declare paste fields for "Send to X"
 buttons

---
 modules/generation_parameters_copypaste.py | 5 +++--
 modules/scripts.py                         | 9 +++++++++
 modules/ui_common.py                       | 9 ++++++++-
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/modules/generation_parameters_copypaste.py b/modules/generation_parameters_copypaste.py
index fc9e17aa..93d955db 100644
--- a/modules/generation_parameters_copypaste.py
+++ b/modules/generation_parameters_copypaste.py
@@ -23,13 +23,14 @@ registered_param_bindings = []
 
 
 class ParamBinding:
-    def __init__(self, paste_button, tabname, source_text_component=None, source_image_component=None, source_tabname=None, override_settings_component=None):
+    def __init__(self, paste_button, tabname, source_text_component=None, source_image_component=None, source_tabname=None, override_settings_component=None, paste_field_names=[]):
         self.paste_button = paste_button
         self.tabname = tabname
         self.source_text_component = source_text_component
         self.source_image_component = source_image_component
         self.source_tabname = source_tabname
         self.override_settings_component = override_settings_component
+        self.paste_field_names = paste_field_names
 
 
 def reset():
@@ -133,7 +134,7 @@ def connect_paste_params_buttons():
             connect_paste(binding.paste_button, fields, binding.source_text_component, binding.override_settings_component, binding.tabname)
 
         if binding.source_tabname is not None and fields is not None:
-            paste_field_names = ['Prompt', 'Negative prompt', 'Steps', 'Face restoration'] + (["Seed"] if shared.opts.send_seed else [])
+            paste_field_names = ['Prompt', 'Negative prompt', 'Steps', 'Face restoration'] + (["Seed"] if shared.opts.send_seed else []) + binding.paste_field_names
             binding.paste_button.click(
                 fn=lambda *x: x,
                 inputs=[field for field, name in paste_fields[binding.source_tabname]["fields"] if name in paste_field_names],
diff --git a/modules/scripts.py b/modules/scripts.py
index 24056a12..ac0785ce 100644
--- a/modules/scripts.py
+++ b/modules/scripts.py
@@ -33,6 +33,11 @@ class Script:
     parsing infotext to set the value for the component; see ui.py's txt2img_paste_fields for an example
     """
 
+    paste_field_names = None
+    """if set in ui(), this is a list of names of infotext fields; the fields will be sent through the
+    various "Send to <X>" buttons when clicked
+    """
+
     def title(self):
         """this function should return the title of the script. This is what will be displayed in the dropdown menu."""
 
@@ -256,6 +261,7 @@ class ScriptRunner:
         self.alwayson_scripts = []
         self.titles = []
         self.infotext_fields = []
+        self.paste_field_names = []
 
     def initialize_scripts(self, is_img2img):
         from modules import scripts_auto_postprocessing
@@ -304,6 +310,9 @@ class ScriptRunner:
             if script.infotext_fields is not None:
                 self.infotext_fields += script.infotext_fields
 
+            if script.paste_field_names is not None:
+                self.paste_field_names += script.paste_field_names
+
             inputs += controls
             inputs_alwayson += [script.alwayson for _ in controls]
             script.args_to = len(inputs)
diff --git a/modules/ui_common.py b/modules/ui_common.py
index fd047f31..a12433d2 100644
--- a/modules/ui_common.py
+++ b/modules/ui_common.py
@@ -198,9 +198,16 @@ Requested path was: {f}
                 html_info = gr.HTML(elem_id=f'html_info_{tabname}')
                 html_log = gr.HTML(elem_id=f'html_log_{tabname}')
 
+            paste_field_names = []
+            if tabname == "txt2img":
+                paste_field_names = modules.scripts.scripts_txt2img.paste_field_names
+            elif tabname == "img2img":
+                paste_field_names = modules.scripts.scripts_img2img.paste_field_names
+
             for paste_tabname, paste_button in buttons.items():
                 parameters_copypaste.register_paste_params_button(parameters_copypaste.ParamBinding(
-                    paste_button=paste_button, tabname=paste_tabname, source_tabname="txt2img" if tabname == "txt2img" else None, source_image_component=result_gallery
+                    paste_button=paste_button, tabname=paste_tabname, source_tabname="txt2img" if tabname == "txt2img" else None, source_image_component=result_gallery,
+                    paste_field_names=paste_field_names
                 ))
 
             return result_gallery, generation_info if tabname != "extras" else html_info_x, html_info, html_log