feat: add styleClass as an option to Dialogs.

demo/Ursa.Demo/ViewModels/DialogDemoViewModel.cs

@@ -163,6 +163,7 @@ public partial class DefaultOverlayDialogDemoViewModel : ObservableObject
             CanDragMove = CanDragMove,
             IsCloseButtonVisible = IsCloseButtonVisible,
             CanResize = CanResize,
+            StyleClass = "Alert",
         };
         string? dialogHostId = IsLocal ? DialogDemoViewModel.LocalHost : null;
         if (IsModal)

src/Ursa/Controls/Dialog/Dialog.cs

@@ -214,6 +214,10 @@ public static class Dialog
             else
                 window.WindowStartupLocation = WindowStartupLocation.CenterOwner;
         }
+        if (!string.IsNullOrWhiteSpace(options.StyleClass))
+        {
+            window.Classes.Add(options.StyleClass);
+        }
     }
 
     /// <summary>
@@ -240,5 +244,9 @@ public static class Dialog
             else
                 window.WindowStartupLocation = WindowStartupLocation.CenterOwner;
         }
+        if (!string.IsNullOrWhiteSpace(options.StyleClass))
+        {
+            window.Classes.Add(options.StyleClass);
+        }
     }
 }

src/Ursa/Controls/Dialog/Options/DialogOptions.cs

@@ -32,4 +32,5 @@ public class DialogOptions
     public bool CanDragMove { get; set; } = true;
 
     public bool CanResize { get; set; }
+    public string? StyleClass { get; set; }
 }

src/Ursa/Controls/Dialog/Options/OverlayDialogOptions.cs

@@ -64,4 +64,6 @@ public class OverlayDialogOptions
     public int? TopLevelHashCode { get; set; }
 
     public bool CanResize { get; set; }
+    
+    public string? StyleClass { get; set; }
 }

src/Ursa/Controls/Dialog/OverlayDialog.cs

@@ -205,6 +205,10 @@ public static class OverlayDialog
         control.IsCloseButtonVisible = options.IsCloseButtonVisible;
         control.CanLightDismiss = options.CanLightDismiss;
         control.CanResize = options.CanResize;
+        if (!string.IsNullOrWhiteSpace(options.StyleClass))
+        {
+            control.Classes.Add(options.StyleClass);
+        }
         DialogControlBase.SetCanDragMove(control, options.CanDragMove);
     }
     
@@ -231,6 +235,10 @@ public static class OverlayDialog
         control.CanLightDismiss = options.CanLightDismiss;
         control.IsCloseButtonVisible = options.IsCloseButtonVisible;
         control.CanResize = options.CanResize;
+        if (!string.IsNullOrWhiteSpace(options.StyleClass))
+        {
+            control.Classes.Add(options.StyleClass);
+        }
         DialogControlBase.SetCanDragMove(control, options.CanDragMove);
     }
 

src/Ursa/Controls/Drawer/Drawer.cs

@@ -217,6 +217,11 @@ public static class Drawer
             if(options.MinHeight is not null) drawer.MinHeight = options.MinHeight.Value;
             if(options.MaxHeight is not null) drawer.MaxHeight = options.MaxHeight.Value;
         }
+
+        if (!string.IsNullOrWhiteSpace(options.StyleClass))
+        {
+            drawer.Classes.Add(options.StyleClass!);
+        }
     }
 
     private static void ConfigureDefaultDrawer(DefaultDrawerControl drawer, DrawerOptions? options)
@@ -239,5 +244,9 @@ public static class Drawer
             if(options.MinHeight is not null) drawer.MinHeight = options.MinHeight.Value;
             if(options.MaxHeight is not null) drawer.MaxHeight = options.MaxHeight.Value;
         }
+        if (!string.IsNullOrWhiteSpace(options.StyleClass))
+        {
+            drawer.Classes.Add(options.StyleClass!);
+        }
     }
 }

src/Ursa/Controls/Drawer/Options/DrawerOptions.cs

@@ -22,4 +22,6 @@ public class DrawerOptions
     public int? TopLevelHashCode { get; set; }
 
     public bool CanResize { get; set; }
+    
+    public string? StyleClass { get; set; }
 }

src/Ursa/Controls/MessageBox/MessageBox.cs

@@ -11,7 +11,8 @@ public static class MessageBox
         string message,
         string? title = null,
         MessageBoxIcon icon = MessageBoxIcon.None,
-        MessageBoxButton button = MessageBoxButton.OK)
+        MessageBoxButton button = MessageBoxButton.OK,
+        string? styleClass = null)
     {
         var messageWindow = new MessageBoxWindow(button)
         {
@@ -19,6 +20,10 @@ public static class MessageBox
             Title = title,
             MessageIcon = icon
         };
+        if (!string.IsNullOrWhiteSpace(styleClass))
+        {
+            messageWindow.Classes.Add(styleClass!);
+        }
         var lifetime = Application.Current?.ApplicationLifetime;
         if (lifetime is not IClassicDesktopStyleApplicationLifetime classLifetime) return MessageBoxResult.None;
         var main = classLifetime.MainWindow;
@@ -37,7 +42,8 @@ public static class MessageBox
         string message,
         string title,
         MessageBoxIcon icon = MessageBoxIcon.None,
-        MessageBoxButton button = MessageBoxButton.OK)
+        MessageBoxButton button = MessageBoxButton.OK,
+        string? styleClass = null)
     {
         var messageWindow = new MessageBoxWindow(button)
         {
@@ -45,6 +51,10 @@ public static class MessageBox
             Title = title,
             MessageIcon = icon
         };
+        if (!string.IsNullOrWhiteSpace(styleClass))
+        {
+            messageWindow.Classes.Add(styleClass!);
+        }
         var result = await messageWindow.ShowDialog<MessageBoxResult>(owner);
         return result;
     }
@@ -55,7 +65,8 @@ public static class MessageBox
         string? hostId = null,
         MessageBoxIcon icon = MessageBoxIcon.None,
         MessageBoxButton button = MessageBoxButton.OK,
-        int? toplevelHashCode = null)
+        int? toplevelHashCode = null,
+        string? styleClass = null)
     {
         var host = OverlayDialogManager.GetHost(hostId, toplevelHashCode);
         if (host is null) return MessageBoxResult.None;
@@ -67,6 +78,10 @@ public static class MessageBox
             MessageIcon = icon,
             [KeyboardNavigation.TabNavigationProperty] = KeyboardNavigationMode.Cycle
         };
+        if (!string.IsNullOrWhiteSpace(styleClass))
+        {
+            messageControl.Classes.Add(styleClass!);
+        }
         host.AddModalDialog(messageControl);
         var result = await messageControl.ShowAsync<MessageBoxResult>();
         return result;