editModeGridWrapping method
Implementation
Widget editModeGridWrapping({required Widget child,required String singlePT}){
return screen.mode != RUNMODE.runtime ? CustomPaint(foregroundPainter:
GridPainter(context: grid,
/// 纵向需要计算
verExtra: screen.columnSplits(singlePT),
/// 横向完全等分
horExtra: screen.row > 1 ? (Size size)=>List.generate(screen.row - 1, (index)=>size.height * (index + 1) / screen.row ) : null
), child: child,) : child;
}