feat(desktop): add theme chooser

XIVChat Desktop/App.xaml.cs

@@ -4,6 +4,11 @@ using System.Globalization;
 using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Markup;
+using ModernWpf;
+
+// TODO: Up/down to cycle through input history
+// TODO: key word notification, notifications on message type, targeted message (like emote targeting you)
+// TODO: right click message to send tell to sender?
 
 namespace XIVChat_Desktop {
     /// <summary>
@@ -27,7 +32,6 @@ namespace XIVChat_Desktop {
         }
 
         public bool Connected => this.Connection != null;
-        public bool Disconnected => this.Connection == null;
 
         public event PropertyChangedEventHandler? PropertyChanged;
 
@@ -55,6 +59,16 @@ namespace XIVChat_Desktop {
                 MessageBox.Show($"Could not save configuration file. {ex.Message}");
             }
 
+            this.Config.PropertyChanged += (o, args) => {
+                if (args.PropertyName != nameof(Configuration.Theme)) {
+                    return;
+                }
+
+                this.UpdateTheme();
+            };
+
+            this.UpdateTheme();
+
             FrameworkElement.LanguageProperty.OverrideMetadata(
                 typeof(FrameworkElement),
                 new FrameworkPropertyMetadata(
@@ -86,9 +100,17 @@ namespace XIVChat_Desktop {
             _ = new ConfigWindow(wnd, this.Config);
         }
 
+        private void UpdateTheme() {
+            ThemeManager.Current.ApplicationTheme = this.Config.Theme switch {
+                Theme.System => null,
+                Theme.Dark => ApplicationTheme.Dark,
+                Theme.Light => ApplicationTheme.Light,
+                _ => null,
+            };
+        }
+
         private void ConnectionStatusChanged() {
             this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(this.Connected)));
-            this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(this.Disconnected)));
         }
 
         public void Connect(string host, ushort port) {

XIVChat Desktop/ConfigWindow.xaml

@@ -36,6 +36,9 @@
                               Unchecked="AlwaysOnTop_Unchecked" />
                     <CheckBox Content="Compact mode"
                               IsChecked="{Binding Config.CompactMode}" />
+                    <ComboBox x:Name="ThemeChooser"
+                              ui:ControlHelper.Header="Theme"
+                              SelectedItem="{Binding Config.Theme}" />
                     <Slider ui:ControlHelper.Header="Opacity"
                             Value="{Binding Config.Opacity}"
                             Minimum=".3"

XIVChat Desktop/ConfigWindow.xaml.cs

@@ -16,6 +16,8 @@ namespace XIVChat_Desktop {
 
             this.InitializeComponent();
             this.DataContext = this;
+
+            this.ThemeChooser.ItemsSource = (Theme[])Enum.GetValues(typeof(Theme));
         }
 
         private void AlwaysOnTop_Checked(object? sender, RoutedEventArgs e) {

XIVChat Desktop/Configuration.cs

@@ -62,6 +62,16 @@ namespace XIVChat_Desktop {
             }
         }
 
+        private Theme theme = Theme.System;
+
+        public Theme Theme {
+            get => this.theme;
+            set {
+                this.theme = value;
+                this.OnPropertyChanged(nameof(this.Theme));
+            }
+        }
+
         private void OnPropertyChanged(string propName) {
             this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propName));
         }
@@ -170,6 +180,12 @@ namespace XIVChat_Desktop {
         }
     }
 
+    public enum Theme {
+        System,
+        Light,
+        Dark,
+    }
+
     [JsonObject]
     public class TrustedKey {
         public string Name { get; set; }

XIVChat Desktop/MainWindow.xaml.cs

@@ -179,7 +179,7 @@ namespace XIVChat_Desktop {
 
         public event PropertyChangedEventHandler? PropertyChanged;
 
-        internal virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null) {
+        internal void OnPropertyChanged([CallerMemberName] string? propertyName = null) {
             this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
         }