#nullable enable - Attribute.cs

Terminal.Gui/View/View.Attribute.cs

@@ -1,5 +1,4 @@
-using System;
-
+#nullable enable
 namespace Terminal.Gui;
 
 public partial class View
@@ -8,11 +7,11 @@ public partial class View
     // TODO: See https://github.com/gui-cs/Terminal.Gui/issues/457
 
     #region ColorScheme
-    
-    private ColorScheme _colorScheme;
+
+    private ColorScheme? _colorScheme;
 
     /// <summary>The color scheme for this view, if it is not defined, it returns the <see cref="SuperView"/>'s color scheme.</summary>
-    public virtual ColorScheme ColorScheme
+    public virtual ColorScheme? ColorScheme
     {
         get
         {
@@ -29,6 +28,7 @@ public partial class View
             {
                 _colorScheme = value;
 
+                // BUGBUG: This should be in Border.cs somehow
                 if (Border is { } && Border.LineStyle != LineStyle.None && Border.ColorScheme is { })
                 {
                     Border.ColorScheme = _colorScheme;
@@ -47,7 +47,7 @@ public partial class View
     /// </returns>
     public virtual Attribute GetFocusColor ()
     {
-        ColorScheme cs = ColorScheme;
+        ColorScheme? cs = ColorScheme;
 
         if (cs is null)
         {
@@ -65,20 +65,20 @@ public partial class View
     /// </returns>
     public virtual Attribute GetHotFocusColor ()
     {
-        ColorScheme cs = ColorScheme ?? new ();
+        ColorScheme? cs = ColorScheme ?? new ();
 
         return Enabled ? GetColor (cs.HotFocus) : cs.Disabled;
     }
 
     /// <summary>Determines the current <see cref="ColorScheme"/> based on the <see cref="Enabled"/> value.</summary>
     /// <returns>
-    ///     <see cref="Terminal.Gui.ColorScheme.HotNormal"/> if <see cref="Enabled"/> is <see langword="true"/> or
-    ///     <see cref="Terminal.Gui.ColorScheme.Disabled"/> if <see cref="Enabled"/> is <see langword="false"/>. If it's
+    ///     <see cref="ColorScheme.HotNormal"/> if <see cref="Enabled"/> is <see langword="true"/> or
+    ///     <see cref="ColorScheme.Disabled"/> if <see cref="Enabled"/> is <see langword="false"/>. If it's
     ///     overridden can return other values.
     /// </returns>
     public virtual Attribute GetHotNormalColor ()
     {
-        ColorScheme cs = ColorScheme;
+        ColorScheme? cs = ColorScheme;
 
         if (cs is null)
         {
@@ -90,13 +90,13 @@ public partial class View
 
     /// <summary>Determines the current <see cref="ColorScheme"/> based on the <see cref="Enabled"/> value.</summary>
     /// <returns>
-    ///     <see cref="Terminal.Gui.ColorScheme.Normal"/> if <see cref="Enabled"/> is <see langword="true"/> or
-    ///     <see cref="Terminal.Gui.ColorScheme.Disabled"/> if <see cref="Enabled"/> is <see langword="false"/>. If it's
+    ///     <see cref="ColorScheme.Normal"/> if <see cref="Enabled"/> is <see langword="true"/> or
+    ///     <see cref="ColorScheme.Disabled"/> if <see cref="Enabled"/> is <see langword="false"/>. If it's
     ///     overridden can return other values.
     /// </returns>
     public virtual Attribute GetNormalColor ()
     {
-        ColorScheme cs = ColorScheme;
+        ColorScheme? cs = ColorScheme;
 
         if (cs is null)
         {
@@ -132,16 +132,11 @@ public partial class View
     /// <summary>Selects the specified attribute as the attribute to use for future calls to AddRune and AddString.</summary>
     /// <remarks></remarks>
     /// <param name="attribute">THe Attribute to set.</param>
-    public Attribute SetAttribute (Attribute attribute)
-    {
-        return Driver?.SetAttribute (attribute) ?? Attribute.Default;
-    }
+    public Attribute SetAttribute (Attribute attribute) { return Driver?.SetAttribute (attribute) ?? Attribute.Default; }
 
     /// <summary>Gets the current <see cref="Attribute"/>.</summary>
     /// <returns>The current attribute.</returns>
-    public Attribute GetAttribute ()
-    {
-        return Driver?.GetAttribute () ?? Attribute.Default;
-    }
+    public Attribute GetAttribute () { return Driver?.GetAttribute () ?? Attribute.Default; }
+
     #endregion Attribute
 }