Add floating mode support

inc/location/woocommerce/class-checkout.php

@@ -13,6 +13,7 @@ namespace Ogre\Captcha\Location\WooCommerce;
 use Override;
 use Ogre\Captcha\Location;
 use Ogre\Captcha\Settings;
+use Ogre\Captcha\Widget;
 use WP_Error;
 
 defined('ABSPATH') || exit;
@@ -33,9 +34,17 @@ final class Checkout extends Location {
     public function activate(): void
     {
         add_action('woocommerce_after_checkout_billing_form', [$this, 'render']);
+        add_filter('woocommerce_order_button_html', [$this, 'submit_button'], 10, 1);
         add_action('woocommerce_after_checkout_validation', [$this, 'process_form'], 10, 2);
     }
 
+    public function submit_button(string $html):string {
+        if (Settings::is_widget_floating()) {
+            $html = Widget::set_button_floating($html);
+        }
+        return $html;
+    }
+
     public function process_form(array $data, WP_Error $errors) {
         $this->process($errors);
     }