Move solution and projects to src

src/Ryujinx.Ava/UI/Views/Settings/SettingsSystemView.axaml.cs

@@ -0,0 +1,52 @@
+using Avalonia.Controls;
+using Avalonia.Data;
+using Avalonia.Data.Converters;
+using Ryujinx.Ava.UI.ViewModels;
+using System;
+using System.Linq;
+using TimeZone = Ryujinx.Ava.UI.Models.TimeZone;
+
+namespace Ryujinx.Ava.UI.Views.Settings
+{
+    public partial class SettingsSystemView : UserControl
+    {
+        public SettingsViewModel ViewModel;
+
+        public SettingsSystemView()
+        {
+            InitializeComponent();
+        
+            FuncMultiValueConverter<string, string> converter = new(parts => string.Format("{0}  {1}   {2}", parts.ToArray()).Trim());
+            MultiBinding tzMultiBinding = new() { Converter = converter };
+
+            tzMultiBinding.Bindings.Add(new Binding("UtcDifference"));
+            tzMultiBinding.Bindings.Add(new Binding("Location"));
+            tzMultiBinding.Bindings.Add(new Binding("Abbreviation"));
+
+            TimeZoneBox.ValueMemberBinding = tzMultiBinding;
+        }
+
+        private void TimeZoneBox_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (e.AddedItems != null && e.AddedItems.Count > 0)
+            {
+                if (e.AddedItems[0] is TimeZone timeZone)
+                {
+                    e.Handled = true;
+
+                    ViewModel.ValidateAndSetTimeZone(timeZone.Location);
+                }
+            }
+        }
+
+        private void TimeZoneBox_OnTextChanged(object sender, EventArgs e)
+        {
+            if (sender is AutoCompleteBox box && box.SelectedItem is TimeZone timeZone)
+            {
+                {
+                    ViewModel.ValidateAndSetTimeZone(timeZone.Location);
+                }
+            }
+        }
+    }
+}