Removed Attribute.HasValidColors

Terminal.Gui/ConsoleDrivers/ConsoleDriver.cs

@@ -390,7 +390,8 @@ public abstract class ConsoleDriver {
 	public Attribute CurrentAttribute {
 		get => _currentAttribute;
 		set {
-			if (value is { Initialized: false, HasValidColors: true } && Application.Driver != null) {
+			//if (value is { Initialized: false, HasValidColors: true } && Application.Driver != null) {
+			if (value is { Initialized: false } && Application.Driver != null) {
 				_currentAttribute = new Attribute (value.Foreground, value.Background);
 				return;
 			}

Terminal.Gui/Drawing/Color.cs

@@ -744,12 +744,13 @@ namespace Terminal.Gui {
 		[JsonIgnore]
 		public bool Initialized { get; internal set; }
 
-		/// <summary>
-		/// Returns <see langword="true"/> if the Attribute is valid (both foreground and background have valid color values).
-		/// </summary>
-		/// <returns></returns>
-		[JsonIgnore]
-		public bool HasValidColors => (int)Foreground.ColorName > -1 && (int)Background.ColorName > -1;
+		//// TODO: This no longer makes sense - remove it
+		///// <summary>
+		///// Returns <see langword="true"/> if the Attribute is valid (both foreground and background have valid color values).
+		///// </summary>
+		///// <returns></returns>
+		//[JsonIgnore]
+		//public bool HasValidColors => (int)Foreground.ColorName > -1 && (int)Background.ColorName > -1;
 
 		/// <inheritdoc />
 		public override string ToString ()
@@ -820,9 +821,9 @@ namespace Terminal.Gui {
 		public Attribute Normal {
 			get { return _normal; }
 			set {
-				if (!value.HasValidColors) {
-					return;
-				}
+				//if (!value.HasValidColors) {
+				//	return;
+				//}
 				_normal = value;
 			}
 		}
@@ -833,9 +834,9 @@ namespace Terminal.Gui {
 		public Attribute Focus {
 			get { return _focus; }
 			set {
-				if (!value.HasValidColors) {
-					return;
-				}
+				//if (!value.HasValidColors) {
+				//	return;
+				//}
 				_focus = value;
 			}
 		}
@@ -846,9 +847,9 @@ namespace Terminal.Gui {
 		public Attribute HotNormal {
 			get { return _hotNormal; }
 			set {
-				if (!value.HasValidColors) {
-					return;
-				}
+				//if (!value.HasValidColors) {
+				//	return;
+				//}
 				_hotNormal = value;
 			}
 		}
@@ -859,9 +860,9 @@ namespace Terminal.Gui {
 		public Attribute HotFocus {
 			get { return _hotFocus; }
 			set {
-				if (!value.HasValidColors) {
-					return;
-				}
+				//if (!value.HasValidColors) {
+				//	return;
+				//}
 				_hotFocus = value;
 			}
 		}
@@ -872,9 +873,9 @@ namespace Terminal.Gui {
 		public Attribute Disabled {
 			get { return _disabled; }
 			set {
-				if (!value.HasValidColors) {
-					return;
-				}
+				//if (!value.HasValidColors) {
+				//	return;
+				//}
 				_disabled = value;
 			}
 		}

Terminal.Gui/Drawing/LineCanvas.cs

@@ -545,17 +545,7 @@ namespace Terminal.Gui {
 			}
 		}
 
-		private Attribute? GetAttributeForIntersects (IntersectionDefinition? [] intersects)
-		{
-			var set = new List<IntersectionDefinition?> (intersects.Where (i => i!.Line.Attribute?.HasValidColors ?? false));
-
-			if (set.Count == 0) {
-				return null;
-			}
-
-			return set [0]!.Line.Attribute;
-
-		}
+		private Attribute? GetAttributeForIntersects (IntersectionDefinition? [] intersects) =>intersects [0]!.Line.Attribute;
 
 		private Cell? GetCellForIntersects (ConsoleDriver driver, IntersectionDefinition? [] intersects)
 		{

UnitTests/Drawing/AttributeTests.cs

@@ -110,19 +110,19 @@ public class AttributeTests {
 		attr = new Attribute (fg, bg);
 
 		Assert.True (attr.Initialized);
-		Assert.True (attr.HasValidColors);
+		//Assert.True (attr.HasValidColors);
 		Assert.Equal (fg, attr.Foreground);
 		Assert.Equal (bg, attr.Background);
 
 		attr = new Attribute (fg);
 		Assert.True (attr.Initialized);
-		Assert.True (attr.HasValidColors);
+		//Assert.True (attr.HasValidColors);
 		Assert.Equal (fg, attr.Foreground);
 		Assert.Equal (fg, attr.Background);
 
 		attr = new Attribute (bg);
 		Assert.True (attr.Initialized);
-		Assert.True (attr.HasValidColors);
+		//Assert.True (attr.HasValidColors);
 		Assert.Equal (bg, attr.Foreground);
 		Assert.Equal (bg, attr.Background);
 
@@ -271,40 +271,6 @@ public class AttributeTests {
 		Assert.Equal (bg, attr.Background);
 	}
 
-	[Fact]
-	public void Get_Asserts_NoDriver ()
-	{
-		Assert.Throws<InvalidOperationException> (() => Attribute.Get ());
-	}
-
-	[Fact]
-	public void Get_Gets ()
-	{
-		var driver = new FakeDriver ();
-		Application.Init (driver);
-		driver.Init (() => { });
-
-		var value = 42;
-		var fg = new Color ();
-		fg = (Color)Color.Red;
-
-		var bg = new Color ();
-		bg = (Color)Color.Blue;
-
-		var attr = new Attribute (value, fg, bg);
-
-		driver.SetAttribute (attr);
-
-		var ret_attr = Attribute.Get ();
-
-		Assert.Equal (value, ret_attr.Value);
-		Assert.Equal (fg, ret_attr.Foreground);
-		Assert.Equal (bg, ret_attr.Background);
-
-		driver.End ();
-		Application.Shutdown ();
-	}
-
 	[Fact]
 	[AutoInitShutdown]
 	public void GetColors_Based_On_Value ()
@@ -321,10 +287,10 @@ public class AttributeTests {
 	public void IsValid_Tests ()
 	{
 		var attr = new Attribute ();
-		Assert.True (attr.HasValidColors);
+		//Assert.True (attr.HasValidColors);
 
 		attr = new Attribute (Color.Red, Color.Green);
-		Assert.True (attr.HasValidColors);
+		//Assert.True (attr.HasValidColors);
 
 		//attr = new Attribute (Color.Red, (Color)(-1));
 		//Assert.False (attr.HasValidColors);