diff --git a/diff_edit/__init__.py b/diff_edit/__init__.py
index 7119383..36ea0b0 100755
--- a/diff_edit/__init__.py
+++ b/diff_edit/__init__.py
@@ -36,6 +36,7 @@ Usage:
   {PROJECT_NAME} --git <file-a>
   {PROJECT_NAME} -h | --help
   {PROJECT_NAME} --version
+  --window                     Use a native GPU window instead of the terminal.
 
 Example:
   # {PROJECT_NAME} project.py.bak project.py
@@ -401,11 +402,11 @@ def check_arguments():
         if path is not None and not os.path.isfile(path):
             print("File does not exist:", path)
             sys.exit(1)
-    return arguments["<file-a>"], arguments["<file-b>"], arguments["--git"]
+    return arguments["<file-a>"], arguments["<file-b>"], arguments["--git"], arguments["--window"]
 
 
 def main():
-    path_a, path_b, is_git_mode = check_arguments()
+    path_a, path_b, is_git_mode, use_window = check_arguments()
     if path_b is None:
         if is_git_mode:
             editor_ = DiffEditor.from_git(path_a)
@@ -414,7 +415,10 @@ def main():
             editor_.load(path_a)
     else:
         editor_ = DiffEditor(path_a, path_b)
-    asyncio.run(fill3.tui(PROJECT_NAME, editor_))
+    if use_window:
+        asyncio.run(fill3.textgrid_tui(PROJECT_NAME, editor_))
+    else:
+        asyncio.run(fill3.tui(PROJECT_NAME, editor_))
 
 
 if __name__ == "__main__":