focusListener method
void
focusListener()
Implementation
void focusListener() {
$debugPrint(focusNode.hasFocus, "Focus");
if (onFocusChanged != null) {
onFocusChanged!(focusNode.hasFocus);
}
if (!focusNode.hasFocus) {
triggerItemSubmitted();
setError(null);
currentText = "";
filteredItems = [];
updateOverlay();
} else if (currentText.isNotEmpty) {
updateOverlay(query: currentText, withoutFilter: showAllOnFocus);
}
}