From fde243ed8b5456835f088c9c6d10e0e9db40bcac Mon Sep 17 00:00:00 2001
From: Ellpeck <me@ellpeck.de>
Date: Fri, 18 Sep 2020 18:11:46 +0200
Subject: [PATCH] only display the tooltip if there is anything in it

---
 MLEM.Ui/Elements/Tooltip.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/MLEM.Ui/Elements/Tooltip.cs b/MLEM.Ui/Elements/Tooltip.cs
index 618b1f0..d661bd1 100644
--- a/MLEM.Ui/Elements/Tooltip.cs
+++ b/MLEM.Ui/Elements/Tooltip.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using Microsoft.Xna.Framework;
 using MLEM.Ui.Style;
 
@@ -38,6 +39,9 @@ namespace MLEM.Ui.Elements {
 
             if (elementToHover != null) {
                 elementToHover.OnMouseEnter += element => {
+                    // only display the tooltip if there is anything in it
+                    if (!this.Children.Any())
+                        return;
                     element.System.Add(element.GetType().Name + "Tooltip", this);
                     this.SnapPositionToMouse();
                 };