set left widget as focused one in flutter - flutter

Question

I am using card_swiper widget in my project. It is a good library, but there is a problem: the focused widget always stays on centre but I want the focused item to be the one on the left. How can I accomplish this with this library?
In the below picture, focused item is on centre, but yellow item, in my case, should be on the left.

Answer 1

I found the answer which could be useful for others. The example is for 4 items on view but you can customise it to as many as you want:
Scaffold(
backgroundColor: AppColors.purpleDark,
body: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.max,
children: [
Flexible(
child: Swiper(
index: chosenIndex,
layout: SwiperLayout.CUSTOM,
physics: BouncingScrollPhysics(),
customLayoutOption: CustomLayoutOption(
startIndex: 0,
stateCount: math.min(4, listSize),
).addScale(
[3, 1, 1, 1], // there should be 4 widgets in view with the first 3 times larger
Alignment.topRight,
).addTranslate( // place the 4 items as I want
[
Offset(-35.toResizableWidth(), 0),
Offset(30.toResizableWidth(), 0.0),
Offset(118.toResizableWidth(), 0.0),
Offset(200.toResizableWidth(), 0.0),
],
),
itemWidth: 51.toResizableWidth(),
itemHeight: 51.toResizableHeight(),
controller: controller,
itemCount: listSize,
onIndexChanged: (newIndex) => setState(() => chosenIndex = newIndex),
itemBuilder: (context, index) {
return GestureDetector(
onTap: () => controller.next(),
child: Container(
width: 51.toResizableWidth(),
height: 51.toResizableHeight(),
color: Colors.grey,
child: Center(
child: Text(
'$index',
style: AppTextStyles.styleS16W600.copyWith(color: Colors.white),
),
),
),
);
},
),
),
Padding(
padding: EdgeInsets.symmetric(
vertical: 10.toResizableHeight(),
horizontal: 20.toResizableWidth(),
),
child: Text(
LocaleKeys.rewards_day.tr(args: <String>[chosenIndex.toString()]),
style: AppTextStyles.styleS20W600
.copyWith(color: true ? AppColors.greenPositive : AppColors.redNegative),
),
),
Padding(
padding: EdgeInsets.symmetric(
horizontal: 20.toResizableWidth(),
),
child: Text(
longText,
style: AppTextStyles.styleS16W400.copyWith(color: AppColors.white100),
),
),
Expanded(child: Container()),
],
),
);