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added getParentTree to ui

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This commit is contained in:
Ellpeck 2019-08-21 17:00:22 +02:00
parent 05f148514f
commit 79a4c36029
2 changed files with 10 additions and 1 deletions
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8
MLEM.Ui/Elements/Element.cs
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@ -383,6 +383,14 @@ namespace MLEM.Ui.Elements {
} }
} }
public IEnumerable<Element> GetParentTree() {
if (this.Parent == null)
yield break;
yield return this.Parent;
foreach (var parent in this.Parent.GetParentTree())
yield return parent;
}
public virtual void Update(GameTime time) { public virtual void Update(GameTime time) {
foreach (var child in this.SortedChildren) foreach (var child in this.SortedChildren)
child.Update(time); child.Update(time);

3
MLEM.Ui/Elements/ScrollBar.cs
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@ -1,4 +1,5 @@
using System; using System;
using System.Linq;
using Microsoft.Xna.Framework; using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics; using Microsoft.Xna.Framework.Graphics;
using MLEM.Extensions; using MLEM.Extensions;
@ -63,7 +64,7 @@ namespace MLEM.Ui.Elements {
} }
} }
if (!this.Horizontal && (moused == this.Parent || moused?.Parent == this.Parent)) { if (!this.Horizontal && moused != null && (moused == this.Parent || moused.GetParentTree().Contains(this.Parent))) {
var scroll = this.Input.LastScrollWheel - this.Input.ScrollWheel; var scroll = this.Input.LastScrollWheel - this.Input.ScrollWheel;
if (scroll != 0) if (scroll != 0)
this.CurrentValue += this.StepPerScroll * Math.Sign(scroll); this.CurrentValue += this.StepPerScroll * Math.Sign(scroll);