showHandles method
void
showHandles()
Implementation
void showHandles() {
assert(_handles == null);
_handles = <OverlayEntry>[
OverlayEntry(
builder: (context) =>
_buildHandle(context, _TextSelectionHandlePosition.START)),
OverlayEntry(
builder: (context) =>
_buildHandle(context, _TextSelectionHandlePosition.END)),
];
Overlay.of(context, rootOverlay: true, debugRequiredFor: debugRequiredFor)!
.insertAll(_handles!);
}