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Fix scroll issue in PullDownScaffold

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Fix #77
This commit is contained in:
MM20 2022-05-23 21:38:51 +02:00
parent ff2c293ba6
commit eecc676c4b
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GPG Key ID: 0B61A8F2DEAFA389
1 changed files with 7 additions and 7 deletions
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14
ui/src/main/java/de/mm20/launcher2/ui/launcher/PullDownScaffold.kt
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@ -1,5 +1,6 @@
package de.mm20.launcher2.ui.launcher
import android.util.Log
import androidx.activity.compose.BackHandler
import androidx.compose.animation.AnimatedVisibility
import androidx.compose.animation.core.animateDpAsState
@ -141,17 +142,16 @@ fun PullDownScaffold(
object : NestedScrollConnection {
override fun onPreScroll(available: Offset, source: NestedScrollSource): Offset {
if (isWidgetEditMode) return Offset.Zero
val diff =
(if (isSearchOpen) searchScrollState.value else widgetsScrollState.value) - available.y
val value = if (isSearchOpen) searchScrollState.value else widgetsScrollState.value
val newValue = value - available.y
val consumed = when {
(offsetY.value > 0 || source == NestedScrollSource.Drag && diff < 0) -> {
val consumed = -diff
(offsetY.value > 0 || source == NestedScrollSource.Drag && newValue < 0) -> {
val consumed = available.y - value
offsetY.value = (offsetY.value + (consumed * 0.5f)).coerceIn(0f, maxOffset)
consumed
}
isSearchOpen && (offsetY.value < 0 || source == NestedScrollSource.Drag && diff > searchScrollState.maxValue) -> {
val consumed =
available.y - (searchScrollState.maxValue - searchScrollState.value)
isSearchOpen && (offsetY.value < 0 || source == NestedScrollSource.Drag && newValue > searchScrollState.maxValue) -> {
val consumed = available.y - (value- searchScrollState.maxValue)
offsetY.value = (offsetY.value + (consumed * 0.5f)).coerceIn(-maxOffset, 0f)
consumed
}