Add preference to adjust wallpaper blur radius

app/ui/src/main/java/de/mm20/launcher2/ui/assistant/AssistantScaffold.kt

@@ -121,10 +121,6 @@ fun AssistantScaffold(
         }
     }
 
-    WallpaperBlur {
-        true
-    }
-
     LaunchedEffect(darkNavBarIcons, showNavBarScrim) {
         if (showNavBarScrim) {
             systemUiController.setNavigationBarColor(

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/LauncherScaffoldVM.kt

@@ -122,6 +122,10 @@ class LauncherScaffoldVM : ViewModel(), KoinComponent {
 
     val wallpaperBlur = dataStore.data.map { it.appearance.blurWallpaper }
         .stateIn(viewModelScope, SharingStarted.WhileSubscribed(), true)
+    val wallpaperBlurRadius = dataStore.data.map { it.appearance.blurWallpaperRadius }
+        .stateIn(viewModelScope, SharingStarted.WhileSubscribed(), 32)
+
+
     val fillClockHeight = dataStore.data.map { it.clockWidget.fillHeight }
         .stateIn(viewModelScope, SharingStarted.WhileSubscribed(), true)
     val searchBarColor = dataStore.data.map { it.searchBar.color }

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/PagerScaffold.kt

@@ -217,6 +217,7 @@ fun PagerScaffold(
     }
 
     val blurEnabled by viewModel.wallpaperBlur.collectAsState()
+    val blurRadius by viewModel.wallpaperBlurRadius.collectAsState()
 
     val blurWallpaper by remember {
         derivedStateOf {
@@ -225,7 +226,7 @@ fun PagerScaffold(
     }
 
     WallpaperBlur {
-        blurWallpaper
+        if (blurWallpaper) blurRadius else 0
     }
 
     val currentPage = pagerState.currentPage

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/PullDownScaffold.kt

@@ -211,6 +211,7 @@ fun PullDownScaffold(
     val maxSearchBarOffset = with(density) { 128.dp.toPx() }
 
     val blurEnabled by viewModel.wallpaperBlur.collectAsState()
+    val blurRadius by viewModel.wallpaperBlurRadius.collectAsState()
 
     val blurWallpaper by remember {
         derivedStateOf {
@@ -219,7 +220,7 @@ fun PullDownScaffold(
     }
 
     WallpaperBlur {
-        blurWallpaper
+        if (blurWallpaper) blurRadius else 0
     }
 
 

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/helper/WallpaperBlur.kt

@@ -10,15 +10,15 @@ import androidx.compose.ui.unit.dp
 import de.mm20.launcher2.ktx.isAtLeastApiLevel
 
 @Composable
-fun WallpaperBlur(blur: () -> Boolean) {
+fun WallpaperBlur(blurRadius: () -> Int) {
     val context = LocalContext.current
     val density = LocalDensity.current
-    val blurWallpaper = blur()
-    LaunchedEffect(blurWallpaper) {
+    val radius = blurRadius()
+    LaunchedEffect(radius) {
         if (!isAtLeastApiLevel(31)) return@LaunchedEffect
         (context as Activity).window.attributes = context.window.attributes.also {
-            if (blurWallpaper) {
-                it.blurBehindRadius = with(density) { 32.dp.toPx().toInt() }
+            if (radius > 0) {
+                it.blurBehindRadius = with(density) { radius.dp.toPx().toInt() }
                 it.flags = it.flags or WindowManager.LayoutParams.FLAG_BLUR_BEHIND
             } else {
                 it.blurBehindRadius = 0

app/ui/src/main/java/de/mm20/launcher2/ui/settings/homescreen/HomescreenSettingsScreen.kt

@@ -34,6 +34,7 @@ import de.mm20.launcher2.ui.component.preferences.ListPreference
 import de.mm20.launcher2.ui.component.preferences.Preference
 import de.mm20.launcher2.ui.component.preferences.PreferenceCategory
 import de.mm20.launcher2.ui.component.preferences.PreferenceScreen
+import de.mm20.launcher2.ui.component.preferences.SliderPreference
 import de.mm20.launcher2.ui.component.preferences.SwitchPreference
 import de.mm20.launcher2.ui.locals.LocalNavController
 import kotlinx.coroutines.delay
@@ -57,6 +58,7 @@ fun HomescreenSettingsScreen() {
     val lightStatusBar by viewModel.statusBarIcons.collectAsStateWithLifecycle(null)
     val dimWallpaper by viewModel.dimWallpaper.collectAsStateWithLifecycle()
     val blurWallpaper by viewModel.blurWallpaper.collectAsStateWithLifecycle()
+    val blurWallpaperRadius by viewModel.blurWallpaperRadius.collectAsStateWithLifecycle()
     val lightNavBar by viewModel.navBarIcons.collectAsStateWithLifecycle(null)
     val hideStatusBar by viewModel.hideStatusBar.collectAsStateWithLifecycle(null)
     val hideNavBar by viewModel.hideNavBar.collectAsStateWithLifecycle(null)
@@ -172,6 +174,18 @@ fun HomescreenSettingsScreen() {
                     },
                     enabled = isBlurSupported
                 )
+                AnimatedVisibility(blurWallpaper && isBlurSupported) {
+                    SliderPreference(
+                        title = stringResource(R.string.preference_blur_wallpaper_radius),
+                        value = blurWallpaperRadius,
+                        onValueChanged = {
+                            viewModel.setBlurWallpaperRadius(it)
+                        },
+                        min = 4,
+                        max = 64,
+                        step = 4,
+                    )
+                }
             }
         }
         item {

app/ui/src/main/java/de/mm20/launcher2/ui/settings/homescreen/HomescreenSettingsScreenVM.kt

@@ -52,6 +52,20 @@ class HomescreenSettingsScreenVM(
         }
     }
 
+    val blurWallpaperRadius = dataStore.data.map { it.appearance.blurWallpaperRadius }
+        .stateIn(viewModelScope, SharingStarted.WhileSubscribed(), 32)
+    fun setBlurWallpaperRadius(blurWallpaperRadius: Int) {
+        viewModelScope.launch {
+            dataStore.updateData {
+                it.toBuilder()
+                    .setAppearance(
+                        it.appearance.toBuilder()
+                            .setBlurWallpaperRadius(blurWallpaperRadius)
+                    ).build()
+            }
+        }
+    }
+
     fun openWallpaperChooser(context: AppCompatActivity) {
         context.startActivity(Intent.createChooser(Intent(Intent.ACTION_SET_WALLPAPER), null))
     }