fixed header clipping when selection button pushes text on new line

lib/widgets/album/grid/header_generic.dart

@@ -6,7 +6,6 @@ import 'package:aves/utils/android_file_utils.dart';
 import 'package:aves/utils/constants.dart';
 import 'package:aves/widgets/album/grid/header_album.dart';
 import 'package:aves/widgets/album/grid/header_date.dart';
-import 'package:aves/widgets/common/fx/outlined_text.dart';
 import 'package:aves/widgets/common/icons.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
@@ -16,11 +15,13 @@ import 'package:provider/provider.dart';
 class SectionHeader extends StatelessWidget {
   final CollectionLens collection;
   final dynamic sectionKey;
+  final double height;
 
   const SectionHeader({
     Key key,
     @required this.collection,
     @required this.sectionKey,
+    @required this.height,
   }) : super(key: key);
 
   @override
@@ -48,7 +49,12 @@ class SectionHeader extends StatelessWidget {
         header = _buildAlbumSectionHeader();
         break;
     }
-    return header ?? const SizedBox.shrink();
+    return header != null
+        ? SizedBox(
+            height: height,
+            child: header,
+          )
+        : const SizedBox.shrink();
   }
 
   Widget _buildAlbumSectionHeader() {
@@ -113,6 +119,7 @@ class TitleSectionHeader extends StatelessWidget {
   static const leadingPadding = EdgeInsets.only(right: 8, bottom: 4);
   static const trailingPadding = EdgeInsets.only(left: 8, bottom: 4);
   static const padding = EdgeInsets.all(16);
+  static const widgetSpanAlignment = PlaceholderAlignment.middle;
 
   @override
   Widget build(BuildContext context) {
@@ -120,27 +127,37 @@ class TitleSectionHeader extends StatelessWidget {
       alignment: AlignmentDirectional.centerStart,
       padding: padding,
       constraints: const BoxConstraints(minHeight: leadingDimension),
-      child: OutlinedText(
-        leadingBuilder: (context, isShadow) => SectionSelectableLeading(
+      child: RichText(
+        text: TextSpan(
+          children: [
+            WidgetSpan(
+              alignment: widgetSpanAlignment,
+              child: SectionSelectableLeading(
                 sectionKey: sectionKey,
                 browsingBuilder: (context) => leading != null
                     ? Container(
                         padding: leadingPadding,
                         width: leadingDimension,
                         height: leadingDimension,
-                  child: isShadow ? null : leading,
+                        child: leading,
                       )
                     : const SizedBox(height: leadingDimension),
               ),
+            ),
+            TextSpan(
               text: title,
-        trailingBuilder: trailing != null
-            ? (context, isShadow) => Container(
-                  padding: trailingPadding,
-                  child: isShadow ? null : trailing,
-                )
-            : null,
               style: Constants.titleTextStyle,
-        outlineWidth: 2,
+            ),
+            if (trailing != null)
+              WidgetSpan(
+                alignment: widgetSpanAlignment,
+                child: Container(
+                  padding: trailingPadding,
+                  child: trailing,
+                ),
+              ),
+          ],
+        ),
       ),
     );
   }

lib/widgets/album/grid/list_section_layout.dart

@@ -63,7 +63,12 @@ class SectionedListLayoutProvider extends StatelessWidget {
           maxOffset: sectionMaxOffset,
           headerExtent: headerExtent,
           tileExtent: tileExtent,
-          builder: (context, listIndex) => _buildInSection(listIndex - sectionFirstIndex, collection, sectionKey),
+          builder: (context, listIndex) => _buildInSection(
+            listIndex - sectionFirstIndex,
+            collection,
+            sectionKey,
+            headerExtent,
+          ),
         ),
       );
     });
@@ -75,14 +80,9 @@ class SectionedListLayoutProvider extends StatelessWidget {
     );
   }
 
-  Widget _buildInSection(int sectionChildIndex, CollectionLens collection, dynamic sectionKey) {
+  Widget _buildInSection(int sectionChildIndex, CollectionLens collection, dynamic sectionKey, double headerExtent) {
     if (sectionChildIndex == 0) {
-      return collection.showHeaders
-          ? SectionHeader(
-              collection: collection,
-              sectionKey: sectionKey,
-            )
-          : const SizedBox.shrink();
+      return headerBuilder(collection, sectionKey, headerExtent);
     }
     sectionChildIndex--;
 
@@ -101,6 +101,16 @@ class SectionedListLayoutProvider extends StatelessWidget {
       children: children,
     );
   }
+
+  Widget headerBuilder(CollectionLens collection, dynamic sectionKey, double headerExtent) {
+    return collection.showHeaders
+        ? SectionHeader(
+            collection: collection,
+            sectionKey: sectionKey,
+            height: headerExtent,
+          )
+        : const SizedBox.shrink();
+  }
 }
 
 class SectionedListLayout {