Show error when missing having at least one Split Image instead of only when folder is empty.

+ Detect Split Folder with only hidden files as being empty

Author: Avasam

src/error_messages.py

@@ -58,8 +58,8 @@ def invalid_directory(directory: str):
     set_text_message(f"Folder {directory!r} is invalid or does not exist.")
 
 
-def split_image_directory_empty():
-    set_text_message("The Split Image Folder is empty.")
+def no_split_image():
+    set_text_message("Your Split Image Folder should contain at least one Split Image.")
 
 
 def image_type(image: str):
@@ -82,7 +82,7 @@ def split_hotkey():
 
 def pause_hotkey():
     set_text_message(
-        "Your split image folder contains an image filename with a pause flag {p}, "
+        "Your Split Image Folder contains an image filename with a pause flag {p}, "
         + "but no pause hotkey is set."
     )
 
@@ -97,7 +97,7 @@ def alignment_not_matched():
 
 def no_keyword_image(keyword: str):
     set_text_message(
-        f"Your split image folder does not contain an image with the keyword {keyword!r}."
+        f"Your Split Image Folder does not contain an image with the keyword {keyword!r}."
     )
 
 
@@ -106,7 +106,7 @@ def multiple_keyword_images(keyword: str):
 
 
 def reset_hotkey():
-    set_text_message("Your split image folder contains a Reset Image, but no reset hotkey is set.")
+    set_text_message("Your Split Image Folder contains a Reset Image, but no reset hotkey is set.")
 
 
 def old_version_settings_file():

src/split_parser.py

@@ -192,8 +192,6 @@ def validate_before_parsing(autosplit: "AutoSplit", *, show_error: bool = True):
         error = error_messages.split_image_directory
     elif not os.path.isdir(split_image_directory):
         error = partial(error_messages.invalid_directory, split_image_directory)
-    elif not os.listdir(split_image_directory):
-        error = error_messages.split_image_directory_empty
     elif not autosplit.capture_method.check_selected_region_exists():
         error = error_messages.region
     if error and show_error:
@@ -241,9 +239,12 @@ def parse_and_validate_images(autosplit: "AutoSplit"):
 
     error_message: Callable[[], object] | None = None
 
+    if not split_images:
+        error_message = error_messages.no_split_image
+
     # If there is no start hotkey set but a Start Image is present,
     # and is not auto controlled, throw an error.
-    if (
+    elif (
         start_image
         and not autosplit.settings_dict["split_hotkey"]
         and not autosplit.is_auto_controlled