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Animated scroll to top from hme bottom bar.

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This commit is contained in:
Thomas Andres Gomez 2023-11-21 11:15:05 +01:00
parent 30b3de2681
commit 7de925a431
1 changed files with 23 additions and 3 deletions
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24
app/src/main/java/com/pixelized/rplexicon/ui/navigation/HomeNavHost.kt
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@ -15,7 +15,10 @@ import androidx.compose.material3.TopAppBar
import androidx.compose.runtime.Composable
import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.runtime.Stable
import androidx.compose.runtime.derivedStateOf
import androidx.compose.runtime.getValue
import androidx.compose.runtime.remember
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.runtime.staticCompositionLocalOf
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.shadow
@ -39,6 +42,7 @@ import com.pixelized.rplexicon.ui.navigation.pages.composableQuests
import com.pixelized.rplexicon.ui.navigation.pages.navigateToLexicon
import com.pixelized.rplexicon.ui.navigation.pages.navigateToLocation
import com.pixelized.rplexicon.ui.navigation.pages.navigateToQuestList
import kotlinx.coroutines.launch
val LocalPageNavHost = staticCompositionLocalOf<NavHostController> {
error("LocalScreenNavHost not ready")
@ -54,6 +58,7 @@ fun HomeNavHost(
questListState: LazyListState,
locationListState: LazyListState,
) {
val scope = rememberCoroutineScope()
CompositionLocalProvider(
LocalSnack provides remember { SnackbarHostState() },
) {
@ -78,11 +83,26 @@ fun HomeNavHost(
containerColor = MaterialTheme.colorScheme.surface,
tonalElevation = 0.dp,
) {
bottomBarItems.forEach { item ->
bottomBarItems.forEachIndexed { index, item ->
val selected by remember {
derivedStateOf {
item.route == backStackEntry.value?.destination?.route
}
}
NavigationBarItem(
selected = item.route == backStackEntry.value?.destination?.route,
selected = selected,
onClick = {
if (selected) {
scope.launch {
when (index) {
0 -> lexiconListState.animateScrollToItem(index = 0)
1 -> questListState.animateScrollToItem(index = 0)
2 -> locationListState.animateScrollToItem(index = 0)
}
}
} else {
item.onClick.invoke()
}
},
label = {
Text(