Adjust Gallery UI: full-width gallery, stacked metadata and drag‑and‑drop, enable overwrite

ui/layout.py

@@ -100,18 +100,16 @@ def build_ui(event_handler_function):
                     clear_btn = gr.Button("Clear Gallery", variant="secondary")
                     download_btn = gr.Button("Download All", variant="secondary")
                 # Gallery and metadata side by side.
-                with gr.Row():
-                    with gr.Column(scale=3):
-                        # Main gallery component.
-                        gallery = gr.Gallery(label="Generated Images", show_label=False, columns=4, height="auto", type="filepath")
-                        ui_components["gallery"] = gallery
-                    with gr.Column(scale=1):
-                        # Textbox to show generation info for selected image.
-                        metadata_box = gr.Textbox(label="Generation info", lines=4, interactive=False)
-                        ui_components["gallery_metadata"] = metadata_box
-                        # Drag-and-drop file component for extracting generation info.
-                        info_upload = gr.File(label="Drag image here for info", file_count="single", type="filepath")
-                        ui_components["info_upload"] = info_upload
+                with gr.Column(scale=1):
+                    # Main gallery component (full width).
+                    gallery = gr.Gallery(label="Generated Images", show_label=False, columns=4, height="auto", type="filepath")
+                    ui_components["gallery"] = gallery
+                    # Textbox to show generation info for selected image.
+                    metadata_box = gr.Textbox(label="Generation info", lines=4, interactive=False)
+                    ui_components["gallery_metadata"] = metadata_box
+                    # Drag-and-drop file component for extracting generation info (replace previous upload automatically).
+                    info_upload = gr.File(label="Drag image here for info", file_count="single", type="filepath", interactive=True)
+                    ui_components["info_upload"] = info_upload
                 # Hidden file component for zip download.
                 download_file = gr.File(label="Download", visible=False)
                 # Bind buttons.