Add select handler to display generation info for chosen gallery image

ui/events/run_handlers.py

@@ -104,7 +104,18 @@ def create_run_event(prefix: str, task_type: str, ui_components: dict):
         # No need to add it to the run button outputs.
 
         run_btn.click(
-            fn=lambda *args, progress=gr.Progress(track_tqdm=True): generate_image_wrapper(create_ui_inputs_dict(*args), progress),
+            fn=_run_with_meta,
             inputs=input_list_flat,
-            outputs=outputs
-        )
+            outputs=[res_gal, ui_components.get(f'metadata_{prefix}')]
+        )
+        # When a user selects an image from the gallery, load its generation info
+        def _show_meta(selected_path, *_):
+            try:
+                from PIL import Image
+                with Image.open(selected_path) as im:
+                    meta = im.info.get('parameters', '')
+            except Exception:
+                meta = ''
+            return meta
+        # Connect the select event of the gallery to update the metadata textbox
+        res_gal.select(fn=_show_meta, inputs=res_gal, outputs=ui_components.get(f'metadata_{prefix}'))