31 lines
775 B
Dart
31 lines
775 B
Dart
import 'package:flutter/material.dart';
|
|
|
|
/// 桌面端内容宽度约束
|
|
/// 屏幕宽度 >= 1000px 时,将子组件内容限制在 maxContentWidth 内居中显示
|
|
class DesktopConstrained extends StatelessWidget {
|
|
final Widget child;
|
|
final double maxContentWidth;
|
|
|
|
const DesktopConstrained({
|
|
super.key,
|
|
required this.child,
|
|
this.maxContentWidth = 800,
|
|
});
|
|
|
|
static const double desktopBreakpoint = 1000;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final screenWidth = MediaQuery.of(context).size.width;
|
|
if (screenWidth >= desktopBreakpoint) {
|
|
return Center(
|
|
child: ConstrainedBox(
|
|
constraints: BoxConstraints(maxWidth: maxContentWidth),
|
|
child: child,
|
|
),
|
|
);
|
|
}
|
|
return child;
|
|
}
|
|
}
|