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Fix regular scrollbar (#8139)

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At some point the scrollbar stops responding to
scroll changes. Not too confident with this fix
but it works.
This commit is contained in:
Ivan Iskandar 2022-10-04 10:03:33 +07:00 committed by GitHub
parent ff4fb83bff
commit 1cf1b34e7f
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1 changed files with 9 additions and 12 deletions
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21
app/src/main/java/eu/kanade/presentation/util/Scrollbar.kt
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@ -48,12 +48,11 @@ import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.composed
import androidx.compose.ui.draw.CacheDrawScope
import androidx.compose.ui.draw.DrawResult
import androidx.compose.ui.draw.drawWithCache
import androidx.compose.ui.draw.drawWithContent
import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.geometry.Size
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.drawscope.ContentDrawScope
import androidx.compose.ui.graphics.drawscope.DrawScope
import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
import androidx.compose.ui.input.nestedscroll.NestedScrollSource
@ -117,13 +116,11 @@ private fun Modifier.drawScrollbar(
orientation, reverseDirection, atEnd, showScrollbar,
thickness, color, alpha, thumbSize, startOffset, positionOffset,
)
onDrawWithContent {
drawContent()
drawScrollbar()
}
drawContent()
drawScrollbar()
}
private fun CacheDrawScope.onDrawScrollbar(
private fun ContentDrawScope.onDrawScrollbar(
orientation: Orientation,
reverseDirection: Boolean,
atEnd: Boolean,
@ -167,13 +164,13 @@ private fun CacheDrawScope.onDrawScrollbar(
private fun Modifier.drawScrollbar(
orientation: Orientation,
reverseScrolling: Boolean,
onBuildDrawCache: CacheDrawScope.(
onDraw: ContentDrawScope.(
reverseDirection: Boolean,
atEnd: Boolean,
thickness: Float,
color: Color,
alpha: () -> Float,
) -> DrawResult,
) -> Unit,
): Modifier = composed {
val scrolled = remember {
MutableSharedFlow<Unit>(
@ -216,8 +213,8 @@ private fun Modifier.drawScrollbar(
val color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.364f)
Modifier
.nestedScroll(nestedScrollConnection)
.drawWithCache {
onBuildDrawCache(reverseDirection, atEnd, thickness, color, alpha::value)
.drawWithContent {
onDraw(reverseDirection, atEnd, thickness, color, alpha::value)
}
}