Improve performance of number bar and slider labels

Gold872 · Dec 16, 2024 · 9dca851 · 9dca851
1 parent 78a861c
commit 9dca851
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Showing 2 changed files with 8 additions and 3 deletions.
diff --git a/lib/widgets/nt_widgets/single_topic/number_bar.dart b/lib/widgets/nt_widgets/single_topic/number_bar.dart
@@ -206,6 +206,9 @@ class NumberBar extends NTWidget {
   Widget build(BuildContext context) {
     NumberBarModel model = cast(context.watch<NTWidgetModel>());
 
+    String formatLabel(num input) =>
+        input.toStringAsFixed(input.truncateToDouble() == input ? 0 : 2);
+
     return ValueListenableBuilder(
       valueListenable: model.subscription!,
       builder: (context, data, child) {
@@ -262,8 +265,7 @@ class NumberBar extends NTWidget {
               if (model.divisions != null)
                 for (int i = 0; i < model.divisions!; i++)
                   CustomRulerLabel(
-                    text: (model.minValue + divisionInterval! * i)
-                        .toStringAsFixed(2),
+                    text: formatLabel(model.minValue + divisionInterval! * i),
                     value: model.minValue + divisionInterval * i,
                   ),
             ],

diff --git a/lib/widgets/nt_widgets/single_topic/voltage_view.dart b/lib/widgets/nt_widgets/single_topic/voltage_view.dart
@@ -206,6 +206,9 @@ class VoltageView extends NTWidget {
   Widget build(BuildContext context) {
     VoltageViewModel model = cast(context.watch<NTWidgetModel>());
 
+    String formatLabel(num input) =>
+        input.toStringAsFixed(input.truncateToDouble() == input ? 0 : 2);
+
     return ValueListenableBuilder(
       valueListenable: model.subscription!,
       builder: (context, data, child) {
@@ -263,7 +266,7 @@ class VoltageView extends NTWidget {
                 for (int i = 0; i < model.divisions!; i++)
                   CustomRulerLabel(
                     text:
-                        '${(model.minValue + divisionInterval! * i).toStringAsFixed(2)} V',
+                        '${formatLabel(model.minValue + divisionInterval! * i)} V',
                     value: model.minValue + divisionInterval * i,
                   ),
             ],