Blur Tom Select only for mouse and touch selection

contao/templates/frontend/event_filter.html.twig

@@ -135,6 +135,8 @@
             return null;
         }
 
+        let shouldBlurOnChange = false;
+
         return new window.TomSelect(selectElement, {
             create: false,
             sortField: {
@@ -149,6 +151,30 @@
                     return '<div class="no-more-results" role="option" aria-disabled="true">Keine weiteren Ergebnisse</div>';
                 },
             },
+            onInitialize() {
+                const markPointerInteraction = () => {
+                    shouldBlurOnChange = true;
+                };
+
+                const markKeyboardInteraction = () => {
+                    shouldBlurOnChange = false;
+                };
+
+                this.control.addEventListener('pointerdown', markPointerInteraction);
+                this.control.addEventListener('touchstart', markPointerInteraction, { passive: true });
+                this.control.addEventListener('keydown', markKeyboardInteraction);
+                this.dropdown.addEventListener('pointerdown', markPointerInteraction);
+                this.dropdown.addEventListener('touchstart', markPointerInteraction, { passive: true });
+                this.dropdown.addEventListener('keydown', markKeyboardInteraction);
+            },
+            onChange() {
+                if (!shouldBlurOnChange) {
+                    return;
+                }
+
+                this.blur();
+                shouldBlurOnChange = false;
+            },
         });
     };