yubioath-flutter/lib/widgets/tooltip_if_truncated.dart
2023-08-22 16:20:04 +02:00

53 lines
1.6 KiB
Dart

/*
* Copyright (C) 2023 Yubico.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import 'package:flutter/material.dart';
class TooltipIfTruncated extends StatelessWidget {
final String text;
final TextStyle style;
final String? tooltip;
const TooltipIfTruncated(
{super.key, required this.text, required this.style, this.tooltip});
@override
Widget build(BuildContext context) {
return LayoutBuilder(
builder: (context, constraints) {
final textWidget = Text(
text,
textAlign: TextAlign.left,
overflow: TextOverflow.fade,
softWrap: false,
style: style,
);
final TextPainter textPainter = TextPainter(
text: TextSpan(text: text, style: style),
textDirection: TextDirection.ltr,
maxLines: 1,
)..layout(minWidth: 0, maxWidth: constraints.maxWidth);
return textPainter.didExceedMaxLines
? Tooltip(
margin: const EdgeInsets.all(16),
message: tooltip ?? text,
child: textWidget,
)
: textWidget;
},
);
}
}