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revert the tab overlay clip measurement

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Tracking the content position per frame made the inactive-tab colour split chase the layout instead of only following the indicator, so the icons jittered on a swipe. Go back to the stable tab-relative offset.
This commit is contained in:
austinried
2026-10-04 00:29:57 +00:00
parent 5b88792f72
commit ef349f0346
1 changed files with 30 additions and 37 deletions
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app/src/main/kotlin/com/subtracks/ui/library/LibraryScreen.kt
+5 -12
View File
@@ -90,7 +90,6 @@ import androidx.compose.ui.layout.boundsInParent
import androidx.compose.ui.layout.layout import androidx.compose.ui.layout.layout
import androidx.compose.ui.layout.onGloballyPositioned import androidx.compose.ui.layout.onGloballyPositioned
import androidx.compose.ui.layout.onSizeChanged import androidx.compose.ui.layout.onSizeChanged
import androidx.compose.ui.layout.positionInRoot
import androidx.compose.ui.platform.LocalDensity import androidx.compose.ui.platform.LocalDensity
import androidx.compose.ui.semantics.clearAndSetSemantics import androidx.compose.ui.semantics.clearAndSetSemantics
import androidx.compose.ui.unit.Constraints import androidx.compose.ui.unit.Constraints
@@ -772,23 +771,18 @@ private fun TabButton(
modifier: Modifier = Modifier, modifier: Modifier = Modifier,
) { ) {
val selectedContent = artwork?.scheme?.onPrimary ?: MaterialTheme.colorScheme.background val selectedContent = artwork?.scheme?.onPrimary ?: MaterialTheme.colorScheme.background
val paddingStart = with(LocalDensity.current) { 8.dp.toPx() }
var tabLeft by remember { mutableFloatStateOf(0f) } var tabLeft by remember { mutableFloatStateOf(0f) }
var tabRootX by remember { mutableFloatStateOf(0f) } val clipStart = indicatorLeft?.minus(tabLeft + paddingStart)
var contentRootX by remember { mutableFloatStateOf(0f) } val clipEnd = indicatorRight?.minus(tabLeft + paddingStart)
val contentLeft = tabLeft + (contentRootX - tabRootX)
val clipStart = indicatorLeft?.minus(contentLeft)
val clipEnd = indicatorRight?.minus(contentLeft)
Box( Box(
modifier = modifier =
modifier modifier
.onGloballyPositioned { .onGloballyPositioned { tabLeft = it.boundsInParent().left }
tabLeft = it.boundsInParent().left .clickable(onClick = onClick)
tabRootX = it.positionInRoot().x
}.clickable(onClick = onClick)
.minimumInteractiveComponentSize() .minimumInteractiveComponentSize()
.padding(start = 8.dp, end = 12.dp, top = TAB_VERTICAL_PADDING, bottom = TAB_VERTICAL_PADDING), .padding(start = 8.dp, end = 12.dp, top = TAB_VERTICAL_PADDING, bottom = TAB_VERTICAL_PADDING),
) { ) {
Box(Modifier.onGloballyPositioned { contentRootX = it.positionInRoot().x }) {
if (clipStart != null && clipEnd != null) { if (clipStart != null && clipEnd != null) {
Box( Box(
modifier = modifier =
@@ -821,7 +815,6 @@ private fun TabButton(
} }
} }
} }
}
@Composable @Composable
private fun TabContent( private fun TabContent(