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Fixed AddedToUi and RemovedFromUi being called for freshly added or removed children whose parents are not in a ui system
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2 changed files with 7 additions and 4 deletions
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@ -31,6 +31,7 @@ Additions
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Fixes
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- Fixed tooltips not being bounded correctly for viewports that don't start at the origin
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- Fixed a stack overflow exception when a panel's children have just enough height to cause a scroll bar to appear
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- Fixed AddedToUi and RemovedFromUi being called for freshly added or removed children whose parents are not in a ui system
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### MLEM.Data
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Improvements
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@ -569,7 +569,8 @@ namespace MLEM.Ui.Elements {
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index = this.children.Count;
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this.children.Insert(index, element);
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element.Parent = this;
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element.AndChildren(e => e.AddedToUi(this.System, this.Root));
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if (this.System != null)
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element.AndChildren(e => e.AddedToUi(this.System, this.Root));
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this.OnChildAdded?.Invoke(this, element);
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this.SetSortedChildrenDirty();
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element.SetAreaDirty();
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@ -588,7 +589,8 @@ namespace MLEM.Ui.Elements {
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// upwards to us if the element is auto-positioned
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element.SetAreaDirty();
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element.Parent = null;
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element.AndChildren(e => e.RemovedFromUi());
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if (this.System != null)
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element.AndChildren(e => e.RemovedFromUi());
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this.OnChildRemoved?.Invoke(this, element);
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this.SetSortedChildrenDirty();
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}
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@ -1256,7 +1258,7 @@ namespace MLEM.Ui.Elements {
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/// <summary>
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/// Called when this element is added to a <see cref="UiSystem"/> and, optionally, a given <see cref="RootElement"/>.
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/// This method is called in <see cref="AddChild{T}"/> and <see cref="UiSystem.Add"/>.
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/// This method is called in <see cref="AddChild{T}"/> for a parent whose <see cref="System"/> is set, as well as <see cref="UiSystem.Add"/>.
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/// </summary>
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/// <param name="system">The ui system to add to.</param>
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/// <param name="root">The root element to add to.</param>
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@ -1269,7 +1271,7 @@ namespace MLEM.Ui.Elements {
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/// <summary>
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/// Called when this element is removed from a <see cref="UiSystem"/> and <see cref="RootElement"/>.
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/// This method is called in <see cref="RemoveChild"/> and <see cref="UiSystem.Remove"/>.
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/// This method is called in <see cref="RemoveChild"/> for a parent whose <see cref="System"/> is set, as well as <see cref="UiSystem.Remove"/>.
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/// </summary>
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protected internal virtual void RemovedFromUi() {
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var root = this.Root;
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