tweaks

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/utils/waterfall.dart

@@ -14,7 +14,7 @@ mixin DynMixin {
       SliverWaterfallFlowDelegateWithMaxCrossAxisExtent(
         maxCrossAxisExtent: Grid.smallCardWidth * 2,
         crossAxisSpacing: 4,
-        callback: (value) => maxWidth = value,
+        afterCalc: (value) => maxWidth = value,
       );
 
   Widget buildPage(Widget child) {
@@ -79,7 +79,7 @@ class SliverWaterfallFlowDelegateWithMaxCrossAxisExtent
     super.collectGarbage,
     super.viewportBuilder,
     super.closeToTrailing,
-    this.callback,
+    this.afterCalc,
   }) : assert(maxCrossAxisExtent >= 0);
 
   /// The maximum extent of tiles in the cross axis.
@@ -98,7 +98,7 @@ class SliverWaterfallFlowDelegateWithMaxCrossAxisExtent
   int? crossAxisCount;
   double? crossAxisExtent;
 
-  final ValueChanged<double>? callback;
+  final ValueChanged<double>? afterCalc;
 
   @override
   int getCrossAxisCount(SliverConstraints constraints) {
@@ -109,7 +109,7 @@ class SliverWaterfallFlowDelegateWithMaxCrossAxisExtent
     this.crossAxisExtent = crossAxisExtent;
     crossAxisCount = (crossAxisExtent / (maxCrossAxisExtent + crossAxisSpacing))
         .ceil();
-    callback?.call(
+    afterCalc?.call(
       (crossAxisExtent - ((crossAxisCount! - 1) * crossAxisSpacing)) /
           crossAxisCount!,
     );