part of cool_ui; class CupertinoPopoverMenuList extends StatelessWidget{ final List children; const CupertinoPopoverMenuList({this.children}); @override Widget build(BuildContext context) { return ListView.builder( itemCount: children.length * 2 - 1, itemBuilder: (context,int i){ if(i.isOdd){ // 在每一列之前,添加一个1像素高的分隔线widget return const Divider(height: 1.0,); } final int index=i ~/2; return children[index]; }, padding: EdgeInsets.all(0.0), ); } } class CupertinoPopoverMenuItem extends StatelessWidget{ final Widget leading; final Widget child; const CupertinoPopoverMenuItem({this.leading,this.child}); @override Widget build(BuildContext context) { List widgets = []; if(leading != null){ widgets.add(Container( padding: EdgeInsets.only(left:5.0,right: 5.0), width: 35.0, height: 35.0, child: IconTheme( data:IconThemeData(color: Color(0xff007aff),size: 20.0), child: leading ), )); } widgets.add(Expanded(child: DefaultTextStyle(style: TextStyle( color: Color(0xff007aff), fontSize: 17.0 ), child: child))); return Padding( padding: EdgeInsets.only(top:2.5,bottom: 2.5), child: Row( children: widgets ), ); } }