JMR-dev/ReLibreHardwareMonitor
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Adopt Fluent/Mica look for light mode

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Replaces WinUI 2 grey brushes with WinUI 3 equivalents and enables the Mica system backdrop on Windows 11. RootGrid is transparent when Mica is active so the material shows through; falls back to ApplicationPageBackgroundThemeBrush on Win10. Sensor header uses LayerFillColorDefaultBrush; plot pane border uses DividerStrokeColorDefaultBrush. Black theme keeps a solid background and disables Mica.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
JMR-dev
2026-06-02 14:01:58 -05:00
co-authored by Copilot
parent 27c2a9dc4e
commit ac65b63a8f
2 changed files with 34 additions and 8 deletions
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LibreHardwareMonitor.Windows.WinUI/MainWindow.cs
+33 -7
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@@ -85,7 +85,7 @@ public sealed partial class MainWindow : Window
_columnMeasurer.SettleTriggered += (_, _) => UpdateSensorColumnWidths();
MeasureStartup("MainWindow.InitializeComponent", InitializeComponent);
RootGrid.Background = new SolidColorBrush(Colors.White);
TryApplyMicaBackdrop();
RootGrid.Loaded += RootGrid_Loaded;
RootGrid.LayoutUpdated += RootGrid_LayoutUpdated;
Bind(ContentGrid, UIElement.IsHitTestVisibleProperty, ViewModel, nameof(ViewModel.IsHardwareInteractionEnabled));
@@ -350,7 +350,7 @@ public sealed partial class MainWindow : Window
{
Grid header = _columnMeasurer.CreateHeaderGrid();
header.Padding = new Thickness(8, 5, 8, 5);
header.Background = (Brush)Application.Current.Resources["SystemControlBackgroundChromeMediumLowBrush"];
header.Background = (Brush)Application.Current.Resources["LayerFillColorDefaultBrush"];
header.Children.Add(CreateHeaderText("Sensor", 0, Visibility.Visible));
header.Children.Add(CreateHeaderText("Value", 1, ViewModel.ValueColumnVisibility, nameof(ViewModel.ValueColumnVisibility)));
header.Children.Add(CreateHeaderText("Min", 2, ViewModel.MinColumnVisibility, nameof(ViewModel.MinColumnVisibility)));
@@ -798,17 +798,43 @@ public sealed partial class MainWindow : Window
_ => ElementTheme.Default
};
RootGrid.Background = ViewModel.ThemeMode switch
if (ViewModel.ThemeMode == AppThemeMode.Black)
{
AppThemeMode.Black => new SolidColorBrush(Colors.Black),
AppThemeMode.Dark => new SolidColorBrush(global::Windows.UI.Color.FromArgb(255, 30, 30, 30)),
_ => (Brush)Application.Current.Resources["ApplicationPageBackgroundThemeBrush"]
};
SystemBackdrop = null;
RootGrid.Background = new SolidColorBrush(Colors.Black);
}
else if (SystemBackdrop is MicaBackdrop)
{
RootGrid.Background = new SolidColorBrush(Colors.Transparent);
}
else
{
TryApplyMicaBackdrop();
RootGrid.Background = SystemBackdrop is MicaBackdrop
? new SolidColorBrush(Colors.Transparent)
: (Brush)Application.Current.Resources["ApplicationPageBackgroundThemeBrush"];
}
PlotControl.ApplyTheme(ViewModel.ThemeMode);
_secondaryWindows.ApplyTheme(ViewModel.ThemeMode);
}
private void TryApplyMicaBackdrop()
{
if (SystemBackdrop is MicaBackdrop)
return;
try
{
if (Microsoft.UI.Composition.SystemBackdrops.MicaController.IsSupported())
SystemBackdrop = new MicaBackdrop { Kind = Microsoft.UI.Composition.SystemBackdrops.MicaKind.Base };
}
catch
{
// Mica unavailable (e.g. Win10) — fall back to theme brush in ApplyTheme.
}
}
private void UpdateSensorColumnWidths()
{
MeasureStartup("MainWindow.UpdateSensorColumnWidths", _columnMeasurer.UpdateWidths, () => FormattableString.Invariant($"rows={_columnMeasurer.RowCount}, cacheEntries={_columnMeasurer.CacheEntryCount}, deviceWidth={_columnMeasurer.DeviceColumnWidth:F0}, settled={_columnMeasurer.IsSettled}"));