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ensure that relevant panel children are updated when children are changed
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parent
cf48fc372e
commit
543201d178
1 changed files with 21 additions and 19 deletions
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@ -128,7 +128,7 @@ namespace MLEM.Ui.Elements {
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public override void ForceUpdateSortedChildren() {
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base.ForceUpdateSortedChildren();
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if (this.scrollOverflow)
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this.relevantChildrenDirty = true;
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this.ForceUpdateRelevantChildren();
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}
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/// <inheritdoc />
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@ -147,24 +147,8 @@ namespace MLEM.Ui.Elements {
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protected override IList<Element> GetRelevantChildren() {
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var relevant = base.GetRelevantChildren();
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if (this.scrollOverflow) {
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if (this.relevantChildrenDirty) {
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this.relevantChildrenDirty = false;
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var visible = this.GetRenderTargetArea();
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this.relevantChildren.Clear();
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foreach (var child in this.SortedChildren) {
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if (child.Area.Intersects(visible)) {
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this.relevantChildren.Add(child);
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} else {
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foreach (var c in child.GetChildren(regardGrandchildren: true)) {
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if (c.Area.Intersects(visible)) {
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this.relevantChildren.Add(child);
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break;
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}
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}
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}
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}
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}
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if (this.relevantChildrenDirty)
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this.ForceUpdateRelevantChildren();
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relevant = this.relevantChildren;
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}
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return relevant;
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@ -272,5 +256,23 @@ namespace MLEM.Ui.Elements {
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this.ScrollBar.PositionOffset = new Vector2(-this.ScrollerSize.Value.X - 1, 0);
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}
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private void ForceUpdateRelevantChildren() {
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this.relevantChildrenDirty = false;
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this.relevantChildren.Clear();
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var visible = this.GetRenderTargetArea();
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foreach (var child in this.SortedChildren) {
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if (child.Area.Intersects(visible)) {
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this.relevantChildren.Add(child);
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} else {
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foreach (var c in child.GetChildren(regardGrandchildren: true)) {
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if (c.Area.Intersects(visible)) {
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this.relevantChildren.Add(child);
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break;
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}
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}
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}
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}
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}
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}
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}
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