WIP: GUI

静态分析没有问题了。但是一尝试扫描文件夹就炸。怀疑是权限问题，但不确定。
2026-05-26 14:14:11 +08:00
parent 0f73dfdb84
commit 87afe57bfa
23 changed files with 1251 additions and 7 deletions
@@ -0,0 +1,112 @@
+using System.Globalization;
+using Avalonia.Data.Converters;
+
+namespace GUI.Converters;
+
+public class DurationFormatConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is not double duration) return "--:--";
+        var ts = TimeSpan.FromSeconds(duration);
+        if (ts.TotalHours >= 1)
+            return ts.ToString(@"h\:mm\:ss\.ff");
+        return ts.ToString(@"m\:ss\.ff");
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+        => throw new NotSupportedException();
+}
+
+public class SampleRateFormatConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is not double rate) return "--";
+        return $"{rate / 1000.0:F1}k";
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+        => throw new NotSupportedException();
+}
+
+public class ChannelsFormatConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        return value switch
+        {
+            int ch when ch == 1 => "Mono",
+            int ch when ch == 2 => "Stereo",
+            null => "--",
+            int ch => $"{ch}ch",
+            _ => "--"
+        };
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+        => throw new NotSupportedException();
+}
+
+public class RatingStarsConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is not uint rating || rating == 0) return "☆☆☆☆☆";
+        return new string('★', (int)rating) + new string('☆', 5 - (int)rating);
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+        => throw new NotSupportedException();
+}
+
+public class DurationToSliderMaxConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is not double duration) return 1.0;
+        return Math.Ceiling(duration);
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+        => throw new NotSupportedException();
+}
+
+public class PositionFormatConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is not double pos) return "0:00";
+        var ts = TimeSpan.FromSeconds(pos);
+        return ts.ToString(@"m\:ss");
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+        => throw new NotSupportedException();
+}
+
+public class InverseBoolConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is bool b) return !b;
+        return true;
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value is bool b) return !b;
+        return true;
+    }
+}
+
+public static class ValueConverters
+{
+    public static readonly IValueConverter DurationFormat = new DurationFormatConverter();
+    public static readonly IValueConverter SampleRateFormat = new SampleRateFormatConverter();
+    public static readonly IValueConverter ChannelsFormat = new ChannelsFormatConverter();
+    public static readonly IValueConverter RatingStars = new RatingStarsConverter();
+    public static readonly IValueConverter DurationToSliderMax = new DurationToSliderMaxConverter();
+    public static readonly IValueConverter PositionFormat = new PositionFormatConverter();
+    public static readonly IValueConverter InverseBool = new InverseBoolConverter();
+}