withoutVisualEffect

OverscrollRenderedOnTopOfLazyListDecorations

@Sampled
@Composable
fun OverscrollRenderedOnTopOfLazyListDecorations() {
    val items = remember { (1..100).toList() }
    val state = rememberLazyListState()
    val overscroll = rememberOverscrollEffect()
    // Create a wrapped version of the above overscroll effect that does not apply a visual effect.
    // This will be used inside LazyColumn to provide events to overscroll, without letting
    // LazyColumn render the overscroll effect internally.
    val overscrollWithoutVisualEffect = overscroll?.withoutVisualEffect()
    LazyColumn(
        content = { items(items) { Text("Item $it") } },
        state = state,
        modifier =
            Modifier.size(300.dp)
                .clip(RectangleShape)
                // Manually render the overscroll on top of the lazy list _and_ the 'decorations' we
                // are
                // manually drawing, to make sure they will also be included in the overscroll
                // effect.
                .overscroll(overscroll)
                .drawBehind {
                    state.layoutInfo.visibleItemsInfo.drop(1).forEach { info ->
                        val verticalOffset = info.offset.toFloat()
                        drawLine(
                            color = Color.Red,
                            start = Offset(0f, verticalOffset),
                            end = Offset(size.width, verticalOffset),
                        )
                    }
                },
        // Pass the overscroll effect that does not apply a visual effect inside the LazyList to
        // receive overscroll events
        overscrollEffect = overscrollWithoutVisualEffect,
    )
}