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Improved isScrollable logic for lists containing items of different sizes. #32

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Merged
MateuszMroz merged 1 commit into from
Jun 18, 2026
Merged

Improved isScrollable logic for lists containing items of different sizes. #32

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14 changes: 2 additions & 12 deletions mmd-core/src/androidMain/kotlin/com/mudita/mmd/components/lazy/LazyMMD.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -147,12 +147,7 @@ fun LazyColumnMMD(
val layoutInfo by remember { derivedStateOf { state.layoutInfo } }
var isDragging by remember { mutableStateOf(false) }
val isScrollable by remember {
derivedStateOf {
val totalHeight =
layoutInfo.totalItemsCount * (layoutInfo.visibleItemsInfo.firstOrNull()?.size ?: 0)
val viewportHeight = layoutInfo.viewportEndOffset - layoutInfo.viewportStartOffset
totalHeight > viewportHeight
}
derivedStateOf { state.canScrollBackward || state.canScrollForward }
}

Row(
Expand Down Expand Up @@ -274,12 +269,7 @@ fun LazyRowMMD(
val layoutInfo by remember { derivedStateOf { state.layoutInfo } }
var isDragging by remember { mutableStateOf(false) }
val isScrollable by remember {
derivedStateOf {
val totalWidth =
layoutInfo.totalItemsCount * (layoutInfo.visibleItemsInfo.firstOrNull()?.size ?: 0)
val viewportWidth = layoutInfo.viewportEndOffset - layoutInfo.viewportStartOffset
totalWidth > viewportWidth
}
derivedStateOf { state.canScrollBackward || state.canScrollForward }
}

Column(
Expand Down
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