From 7eeecc19d1a36bafce1c44eb47a5d8b09ba345c4 Mon Sep 17 00:00:00 2001
From: Ellpeck <megamaximal@gmail.com>
Date: Thu, 29 Aug 2019 18:46:48 +0200
Subject: [PATCH] remove some stuff from MlemGame so that you don't crash :^)
 also make the uisystem know if it doesn't support text input natively

---
 MLEM.Startup/MlemGame.cs | 14 --------------
 MLEM.Ui/UiSystem.cs      | 16 +++++++++++-----
 2 files changed, 11 insertions(+), 19 deletions(-)

diff --git a/MLEM.Startup/MlemGame.cs b/MLEM.Startup/MlemGame.cs
index 95861c9..6acfea0 100644
--- a/MLEM.Startup/MlemGame.cs
+++ b/MLEM.Startup/MlemGame.cs
@@ -26,16 +26,7 @@ namespace MLEM.Startup {
                 SynchronizeWithVerticalRetrace = vsync
             };
             this.Content.RootDirectory = contentDir;
-
             this.Window.AllowUserResizing = allowResizing;
-            this.Window.ClientSizeChanged += (win, args) => this.OnWindowSizeChange(this.GraphicsDevice.Viewport);
-            this.Window.TextInput += (win, args) => this.OnTextInput(args.Key, args.Character);
-        }
-
-        public virtual void OnWindowSizeChange(Viewport viewport) {
-        }
-
-        public virtual void OnTextInput(Keys key, char character) {
         }
 
         protected override void LoadContent() {
@@ -44,11 +35,6 @@ namespace MLEM.Startup {
             this.UiSystem = new UiSystem(this.Window, this.GraphicsDevice, new UntexturedStyle(this.SpriteBatch), this.InputHandler);
         }
 
-        protected override void Initialize() {
-            base.Initialize();
-            this.OnWindowSizeChange(this.GraphicsDevice.Viewport);
-        }
-
         protected override void Update(GameTime gameTime) {
             base.Update(gameTime);
 
diff --git a/MLEM.Ui/UiSystem.cs b/MLEM.Ui/UiSystem.cs
index 637e14c..1cd6ec7 100644
--- a/MLEM.Ui/UiSystem.cs
+++ b/MLEM.Ui/UiSystem.cs
@@ -47,7 +47,8 @@ namespace MLEM.Ui {
         public BlendState BlendState;
         public SamplerState SamplerState = SamplerState.PointClamp;
         public UiControls Controls;
-
+        public readonly bool SupportsTextInput;
+            
         public UiSystem(GameWindow window, GraphicsDevice device, UiStyle style, InputHandler inputHandler = null) {
             this.Controls = new UiControls(this, inputHandler);
             this.GraphicsDevice = device;
@@ -60,10 +61,15 @@ namespace MLEM.Ui {
                 foreach (var root in this.rootElements)
                     root.Element.ForceUpdateArea();
             };
-            window.TextInput += (sender, args) => {
-                foreach (var root in this.rootElements)
-                    root.Element.Propagate(e => e.OnTextInput?.Invoke(e, args.Key, args.Character));
-            };
+            try {
+                window.TextInput += (sender, args) => {
+                    foreach (var root in this.rootElements)
+                        root.Element.Propagate(e => e.OnTextInput?.Invoke(e, args.Key, args.Character));
+                };
+                this.SupportsTextInput = true;
+            } catch (TypeLoadException) {
+                this.SupportsTextInput = false;
+            }
         }
 
         public void Update(GameTime time) {