Make open/save also use obvious color scheme

Author: tznind

src/UI/Editor.cs

@@ -1137,7 +1137,8 @@ private void Open()
         {
             Title = "Open",
             AllowedTypes = new List<IAllowedType>(new[] { new AllowedType("View", SourceCodeFile.ExpectedExtension) })
-        };  
+        };
+        ofd.SetupNiceColorSchemes();
 
         Application.Run(ofd, this.ErrorHandler);
 
@@ -1218,6 +1219,7 @@ private void New()
             AllowedTypes = new List<IAllowedType>() { new AllowedType("C# File", ".cs") },
             Path = "MyView.cs",
         };
+        ofd.SetupNiceColorSchemes();
 
         Application.Run(ofd);
 

src/UI/ValueFactory.cs

@@ -191,6 +191,7 @@ internal static bool GetNewValue(string propertyName, Design design, Type type,
             if (type == typeof(FileSystemInfo))
             {
                 var fd = new FileDialog();
+                fd.SetupNiceColorSchemes();
                 fd.AllowsMultipleSelection = false;
 
                 int answer = ChoicesDialog.Query(propertyName, $"Directory or File?", "Directory", "File", "Cancel");

src/UI/Windows/SizeEditor.Designer.cs

@@ -497,4 +497,26 @@ public static bool AnySuperViewIs<T>(this View v) where T : View
 
         return null;
     }
+
+    public static void SetupNiceColorSchemes(this Dialog v)
+    {
+
+        ColorScheme dialogBackground;
+        ColorScheme buttons;     
+        dialogBackground = new Terminal.Gui.ColorScheme(new Terminal.Gui.Attribute(4294967295u, 4285953654u), new Terminal.Gui.Attribute(4294967295u, 4285953654u), new Terminal.Gui.Attribute(4294967295u, 4285953654u), new Terminal.Gui.Attribute(4278190080u, 4278190080u), new Terminal.Gui.Attribute(4294967295u, 4285953654u));
+        buttons = new Terminal.Gui.ColorScheme(new Terminal.Gui.Attribute(4285953654u, 4294967295u), new Terminal.Gui.Attribute(4294901760u, 4294967040u), new Terminal.Gui.Attribute(4278190080u, 4294967295u), new Terminal.Gui.Attribute(4278190080u, 4278190080u), new Terminal.Gui.Attribute(4278190080u, 4294967040u));
+
+        v.ColorScheme = dialogBackground;
+
+        void ApplyScheme(View view)
+        {
+            if (view is Button or TableView)
+                view.ColorScheme = buttons;
+
+            foreach (var subView in view.SubViews)
+                ApplyScheme(subView);
+        }
+
+        ApplyScheme(v);
+    }
 }