Allow Confirmation Prompt Styling (#1210)

* Allow Confirmation Prompt Styling

* Remove style null check

Co-authored-by: Cédric Luthi <cedric.luthi@gmail.com>

* Remove style null coalesce

Co-authored-by: Cédric Luthi <cedric.luthi@gmail.com>

* Update comment

Co-authored-by: Cédric Luthi <cedric.luthi@gmail.com>

* Remove style null check

Co-authored-by: Cédric Luthi <cedric.luthi@gmail.com>

* Update comment

Co-authored-by: Cédric Luthi <cedric.luthi@gmail.com>

* Remove style null coalesce

Co-authored-by: Cédric Luthi <cedric.luthi@gmail.com>

---------

Co-authored-by: Cédric Luthi <cedric.luthi@gmail.com>

src/Spectre.Console/Extensions/ConfirmationPromptExtensions.cs

@@ -42,6 +42,23 @@ public static class ConfirmationPromptExtensions
         return ShowChoices(obj, false);
     }
 
+    /// <summary>
+    /// Sets the style in which the list of choices is displayed.
+    /// </summary>
+    /// <param name="obj">The confirmation prompt.</param>
+    /// <param name="style">The style to use for displaying the choices or <see langword="null"/> to use the default style (blue).</param>
+    /// <returns>The same instance so that multiple calls can be chained.</returns>
+    public static ConfirmationPrompt ChoicesStyle(this ConfirmationPrompt obj, Style? style)
+    {
+        if (obj is null)
+        {
+            throw new ArgumentNullException(nameof(obj));
+        }
+
+        obj.ChoicesStyle = style;
+        return obj;
+    }
+
     /// <summary>
     /// Show or hide the default value.
     /// </summary>
@@ -79,6 +96,23 @@ public static class ConfirmationPromptExtensions
         return ShowDefaultValue(obj, false);
     }
 
+    /// <summary>
+    /// Sets the style in which the default value is displayed.
+    /// </summary>
+    /// <param name="obj">The confirmation prompt.</param>
+    /// <param name="style">The default value style or <see langword="null"/> to use the default style (green).</param>
+    /// <returns>The same instance so that multiple calls can be chained.</returns>
+    public static ConfirmationPrompt DefaultValueStyle(this ConfirmationPrompt obj, Style? style)
+    {
+        if (obj is null)
+        {
+            throw new ArgumentNullException(nameof(obj));
+        }
+
+        obj.DefaultValueStyle = style;
+        return obj;
+    }
+
     /// <summary>
     /// Sets the "invalid choice" message for the prompt.
     /// </summary>

src/Spectre.Console/Prompts/ConfirmationPrompt.cs

@@ -39,6 +39,16 @@ public sealed class ConfirmationPrompt : IPrompt<bool>
     /// </summary>
     public bool ShowDefaultValue { get; set; } = true;
 
+    /// <summary>
+    /// Gets or sets the style in which the default value is displayed. Defaults to green when <see langword="null"/>.
+    /// </summary>
+    public Style? DefaultValueStyle { get; set; }
+
+    /// <summary>
+    /// Gets or sets the style in which the list of choices is displayed. Defaults to blue when <see langword="null"/>.
+    /// </summary>
+    public Style? ChoicesStyle { get; set; }
+
     /// <summary>
     /// Gets or sets the string comparer to use when comparing user input
     /// against Yes/No choices.
@@ -72,8 +82,10 @@ public sealed class ConfirmationPrompt : IPrompt<bool>
             .InvalidChoiceMessage(InvalidChoiceMessage)
             .ValidationErrorMessage(InvalidChoiceMessage)
             .ShowChoices(ShowChoices)
+            .ChoicesStyle(ChoicesStyle)
             .ShowDefaultValue(ShowDefaultValue)
             .DefaultValue(DefaultValue ? Yes : No)
+            .DefaultValueStyle(DefaultValueStyle)
             .AddChoice(Yes)
             .AddChoice(No);