mirror/mihon
1
0
Fork 0
mirror of https://github.com/mihonapp/mihon.git synced 2025-11-12 03:58:56 +01:00
Code Issues Packages Projects Releases Wiki Activity

Fix Scrollbar when the list contains sticky header (#8181)

Browse Source 
* Fix Scrollbar when the list contains sticky header

* Fix VerticalFastScroller when the list contains sticky header

* exposé
This commit is contained in:
Ivan Iskandar
2022-10-10 22:59:01 +07:00
committed by GitHub
parent 8500add09f
commit fba244423f
3 changed files with 30 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
app/src/main/java/eu/kanade/presentation/util/Scrollbar.kt
View File

@@ -62,11 +62,18 @@ import androidx.compose.ui.platform.LocalLayoutDirection
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.LayoutDirection
import androidx.compose.ui.unit.dp
import androidx.compose.ui.util.fastFirstOrNull
import androidx.compose.ui.util.fastSumBy
import eu.kanade.presentation.components.Scroller.STICKY_HEADER_KEY_PREFIX
import kotlinx.coroutines.channels.BufferOverflow
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.flow.collectLatest
/**
* Draws horizontal scrollbar to a LazyList.
*
* Set key with [STICKY_HEADER_KEY_PREFIX] prefix to any sticky header item in the list.
*/
fun Modifier.drawHorizontalScrollbar(
state: LazyListState,
reverseScrolling: Boolean = false,
@@ -74,6 +81,11 @@ fun Modifier.drawHorizontalScrollbar(
positionOffsetPx: Float = 0f,
): Modifier = drawScrollbar(state, Orientation.Horizontal, reverseScrolling, positionOffsetPx)
/**
* Draws vertical scrollbar to a LazyList.
*
* Set key with [STICKY_HEADER_KEY_PREFIX] prefix to any sticky header item in the list.
*/
fun Modifier.drawVerticalScrollbar(
state: LazyListState,
reverseScrolling: Boolean = false,
@@ -106,7 +118,7 @@ private fun Modifier.drawScrollbar(
0f
} else {
items
.first()
.fastFirstOrNull { (it.key as? String)?.startsWith(STICKY_HEADER_KEY_PREFIX)?.not() ?: true }!!
.run {
val startPadding = if (reverseDirection) layoutInfo.afterContentPadding else layoutInfo.beforeContentPadding
startPadding + ((estimatedItemSize * index - offset) / totalSize * viewportSize)