disable smooth scrolling in the ui demo

CHANGELOG.md

@@ -10,12 +10,17 @@ Jump to version:
 - [5.0.0](#500)
 
 ## 6.1.0
+### MLEM
+Improvements
+- Improved EnumHelper.GetValues signature to return an array
+
 ### MLEM.Ui
 Additions
 - Added some extension methods for querying Anchor types
 
 Improvements
 - Allow elements to auto-adjust their size even when their children are aligned oddly
+- Close other dropdowns when opening a dropdown
 
 ## 6.0.0
 ### MLEM

Demos/UiDemo.cs

@@ -69,7 +69,6 @@ namespace Demos {
 
             // create the root panel that all the other components sit on and add it to the ui system
             this.root = new Panel(Anchor.Center, new Vector2(80, 100), Vector2.Zero, false, true);
-            this.root.ScrollBar.SmoothScrolling = true;
             // add the root to the demos' ui
             this.UiRoot.AddChild(this.root);
 

MLEM.Ui/Elements/Dropdown.cs

@@ -42,7 +42,16 @@ namespace MLEM.Ui.Elements {
             });
             this.OnAreaUpdated += e => this.Panel.PositionOffset = new Vector2(0, e.Area.Height / this.Scale);
             this.OnOpenedOrClosed += e => this.Priority = this.IsOpen ? 10000 : 0;
-            this.OnPressed += e => this.IsOpen = !this.IsOpen;
+            this.OnPressed += e => {
+                this.IsOpen = !this.IsOpen;
+                // close other dropdowns in the same root when we open
+                if (this.IsOpen) {
+                    this.Root.Element.AndChildren(o => {
+                        if (o != this && o is Dropdown d && d.IsOpen)
+                            d.IsOpen = false;
+                    });
+                }
+            };
             this.GetGamepadNextElement = (dir, usualNext) => {
                 // Force navigate down to our first child if we're open
                 if (this.IsOpen && dir == Direction2.Down)

MLEM.Ui/Parsers/UiMarkdownParser.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Net.Http;
 using System.Text.RegularExpressions;
 using Microsoft.Xna.Framework;
@@ -28,7 +27,7 @@ namespace MLEM.Ui.Parsers {
     /// </remarks>
     public class UiMarkdownParser {
 
-        private static readonly ElementType[] ElementTypes = EnumHelper.GetValues<ElementType>().ToArray();
+        private static readonly ElementType[] ElementTypes = EnumHelper.GetValues<ElementType>();
 
         /// <summary>
         /// The base path for markdown images, which is prepended to the image link.

MLEM/Input/KeysExtensions.cs

@@ -12,7 +12,7 @@ namespace MLEM.Input {
         /// <summary>
         /// All enum values of <see cref="ModifierKey"/>
         /// </summary>
-        public static readonly ModifierKey[] ModifierKeys = EnumHelper.GetValues<ModifierKey>().ToArray();
+        public static readonly ModifierKey[] ModifierKeys = EnumHelper.GetValues<ModifierKey>();
         private static readonly Dictionary<ModifierKey, Keys[]> KeysLookup = new Dictionary<ModifierKey, Keys[]> {
             {ModifierKey.Shift, new[] {Keys.LeftShift, Keys.RightShift}},
             {ModifierKey.Control, new[] {Keys.LeftControl, Keys.RightControl}},

MLEM/Input/MouseExtensions.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Linq;
 using Microsoft.Xna.Framework.Input;
 using MLEM.Misc;
 
@@ -12,7 +11,7 @@ namespace MLEM.Input {
         /// <summary>
         /// All enum values of <see cref="MouseButton"/>
         /// </summary>
-        public static readonly MouseButton[] MouseButtons = EnumHelper.GetValues<MouseButton>().ToArray();
+        public static readonly MouseButton[] MouseButtons = EnumHelper.GetValues<MouseButton>();
 
         /// <summary>
         /// Returns the <see cref="ButtonState"/> of the given mouse button.

MLEM/Misc/Direction2.cs

@@ -71,7 +71,7 @@ namespace MLEM.Misc {
         /// <summary>
         /// All <see cref="Direction2"/> enum values
         /// </summary>
-        public static readonly Direction2[] All = EnumHelper.GetValues<Direction2>().ToArray();
+        public static readonly Direction2[] All = EnumHelper.GetValues<Direction2>();
         /// <summary>
         /// The <see cref="Direction2.Up"/> through <see cref="Direction2.Left"/> directions
         /// </summary>

MLEM/Misc/EnumHelper.cs

@@ -1,6 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
 using Microsoft.Xna.Framework.Input;
 
 namespace MLEM.Misc {
@@ -12,19 +10,20 @@ namespace MLEM.Misc {
         /// <summary>
         /// All values of the <see cref="Buttons"/> enum.
         /// </summary>
-        public static readonly Buttons[] Buttons = EnumHelper.GetValues<Buttons>().ToArray();
+        public static readonly Buttons[] Buttons = EnumHelper.GetValues<Buttons>();
         /// <summary>
         /// All values of the <see cref="Keys"/> enum.
         /// </summary>
-        public static readonly Keys[] Keys = EnumHelper.GetValues<Keys>().ToArray();
+        public static readonly Keys[] Keys = EnumHelper.GetValues<Keys>();
 
         /// <summary>
-        /// Returns all of the values of the given enum type.
+        /// Returns an array containing all of the values of the given enum type.
+        /// Note that this method is a version-independent equivalent of .NET 5's <c>Enum.GetValues&lt;TEnum&gt;</c>.
         /// </summary>
         /// <typeparam name="T">The type whose enum to get</typeparam>
         /// <returns>An enumerable of the values of the enum, in declaration order.</returns>
-        public static IEnumerable<T> GetValues<T>() {
-            return Enum.GetValues(typeof(T)).Cast<T>();
+        public static T[] GetValues<T>() {
+            return (T[]) Enum.GetValues(typeof(T));
         }
 
     }

Sandbox/GameImpl.cs

@@ -1,17 +1,11 @@
 using System;
-using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Text.RegularExpressions;
 using FontStashSharp;
-using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.Graphics;
-using Microsoft.Xna.Framework.Input;
 using MLEM.Cameras;
 using MLEM.Data;
 using MLEM.Data.Content;
 using MLEM.Extended.Font;
-using MLEM.Extended.Tiled;
 using MLEM.Extensions;
 using MLEM.Font;
 using MLEM.Formatting;
@@ -23,9 +17,6 @@ using MLEM.Textures;
 using MLEM.Ui;
 using MLEM.Ui.Elements;
 using MLEM.Ui.Style;
-using MonoGame.Extended;
-using MonoGame.Extended.Tiled;
-using MonoGame.Extended.ViewportAdapters;
 
 namespace Sandbox;
 
@@ -348,7 +339,7 @@ public class GameImpl : MlemGame {
             widthPanel.AddChild(new Paragraph(Anchor.AutoCenter, 100000, "Test String " + Math.Pow(10, i), true) {
                 OnUpdated = (e, time) => {
                     if (Input.IsPressed(Keys.A)) {
-                        e.Anchor = (Anchor) (((int) e.Anchor + 1) % EnumHelper.GetValues<Anchor>().Count());
+                        e.Anchor = (Anchor) (((int) e.Anchor + 1) % EnumHelper.GetValues<Anchor>().Length);
                         Console.WriteLine(e.Anchor);
                     }
                 }