Fix filters on tablet

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/sheet/FilterSheetFragment.kt

@@ -2,16 +2,19 @@ package org.koitharu.kotatsu.filter.ui.sheet
 
 import android.os.Bundle
 import android.text.InputFilter
+import android.view.Gravity
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
 import android.widget.AdapterView
 import android.widget.ArrayAdapter
+import android.widget.LinearLayout
 import android.widget.Toast
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.isGone
+import androidx.core.view.isVisible
 import androidx.core.view.updateLayoutParams
 import androidx.core.view.updatePadding
 import com.google.android.material.chip.Chip
@@ -69,8 +72,7 @@ class FilterSheetFragment : BaseAdaptiveSheet<SheetFilterBinding>(),
     override fun onViewBindingCreated(binding: SheetFilterBinding, savedInstanceState: Bundle?) {
         super.onViewBindingCreated(binding, savedInstanceState)
         if (dialog == null) {
-            binding.layoutBody.updatePadding(top = binding.layoutBody.paddingBottom)
-            binding.scrollView.scrollIndicators = 0
+            binding.adjustForEmbeddedLayout()
         }
         val filter = FilterCoordinator.require(this)
         filter.sortOrder.observe(viewLifecycleOwner, this::onSortOrderChanged)
@@ -127,6 +129,20 @@ class FilterSheetFragment : BaseAdaptiveSheet<SheetFilterBinding>(),
         binding.buttonDone.setOnClickListener(this)
     }
 
+    private fun SheetFilterBinding.adjustForEmbeddedLayout() {
+        layoutBody.updatePadding(top = layoutBody.paddingBottom)
+        scrollView.scrollIndicators = 0
+        buttonDone.isVisible = false
+        this.root.updateLayoutParams {
+            height = ViewGroup.LayoutParams.MATCH_PARENT
+        }
+        buttonSave.updateLayoutParams<LinearLayout.LayoutParams> {
+            weight = 0f
+            width = LinearLayout.LayoutParams.WRAP_CONTENT
+            gravity = Gravity.END or Gravity.CENTER_VERTICAL
+        }
+    }
+
     override fun onApplyWindowInsets(v: View, insets: WindowInsetsCompat): WindowInsetsCompat {
         val typeMask = WindowInsetsCompat.Type.systemBars()
         viewBinding?.layoutBottom?.updateLayoutParams<ViewGroup.MarginLayoutParams> {

app/src/main/res/layout/sheet_filter.xml

@@ -19,6 +19,7 @@
         android:layout_height="0dp"
         android:layout_weight="1"
         android:clipToPadding="false"
+        android:fillViewport="true"
         android:scrollIndicators="top|bottom"
         tools:ignore="UnusedAttribute">