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Fix UI pattern for AspectRatioLayoutElement.

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PopSlime
2023-11-07 15:53:16 +08:00
parent 668f46d260
commit 5854801a53
1 changed files with 32 additions and 26 deletions
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58
Assets/Cryville/Common/Unity/UI/AspectRatioLayoutElement.cs
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@@ -6,6 +6,7 @@ namespace Cryville.Common.Unity.UI {
/// <summary> /// <summary>
/// A <see cref="ILayoutElement" /> that takes the length of one axis to compute the preferred length of the other axis with respect to a aspect ratio. /// A <see cref="ILayoutElement" /> that takes the length of one axis to compute the preferred length of the other axis with respect to a aspect ratio.
/// </summary> /// </summary>
[ExecuteAlways]
public class AspectRatioLayoutElement : UIBehaviour, ILayoutElement { public class AspectRatioLayoutElement : UIBehaviour, ILayoutElement {
[SerializeField] [SerializeField]
[Tooltip("The aspect ratio. Width divided by height.")] [Tooltip("The aspect ratio. Width divided by height.")]
@@ -35,32 +36,27 @@ namespace Cryville.Common.Unity.UI {
SetDirty(); SetDirty();
} }
private void SetDirty() {
if (!IsActive()) return;
LayoutRebuilder.MarkLayoutForRebuild(transform as RectTransform);
}
/// <inheritdoc /> /// <inheritdoc />
public float minWidth { public float minWidth {
get { get {
return m_isVertical ? 0 : (transform as RectTransform).rect.height * m_aspectRatio; return m_isVertical ? -1 : (transform as RectTransform).rect.height * m_aspectRatio;
} }
} }
/// <inheritdoc /> /// <inheritdoc />
public float preferredWidth { get { return minWidth; } } public float preferredWidth { get { return minWidth; } }
/// <inheritdoc /> /// <inheritdoc />
public float flexibleWidth { get { return 0; } } public float flexibleWidth { get { return -1; } }
/// <inheritdoc /> /// <inheritdoc />
public float minHeight { public float minHeight {
get { get {
return m_isVertical ? (transform as RectTransform).rect.width / m_aspectRatio : 0; return m_isVertical ? (transform as RectTransform).rect.width / m_aspectRatio : -1;
} }
} }
/// <inheritdoc /> /// <inheritdoc />
public float preferredHeight { get { return minHeight; } } public float preferredHeight { get { return minHeight; } }
/// <inheritdoc /> /// <inheritdoc />
public float flexibleHeight { get { return 0; } } public float flexibleHeight { get { return -1; } }
/// <inheritdoc /> /// <inheritdoc />
public int layoutPriority { get { return 1; } } public int layoutPriority { get { return 1; } }
@@ -71,34 +67,44 @@ namespace Cryville.Common.Unity.UI {
/// <inheritdoc /> /// <inheritdoc />
public void CalculateLayoutInputVertical() { } public void CalculateLayoutInputVertical() { }
protected override void OnDidApplyAnimationProperties() {
base.OnDidApplyAnimationProperties();
SetDirty();
}
protected override void OnDisable() {
SetDirty();
base.OnDisable();
}
protected override void OnEnable() { protected override void OnEnable() {
base.OnEnable(); base.OnEnable();
SetDirty(); SetDirty();
} }
protected override void OnBeforeTransformParentChanged() {
protected override void OnRectTransformDimensionsChange() { base.OnBeforeTransformParentChanged();
base.OnRectTransformDimensionsChange();
SetDirty(); SetDirty();
} }
protected override void OnTransformParentChanged() { protected override void OnTransformParentChanged() {
base.OnTransformParentChanged(); base.OnTransformParentChanged();
SetDirty(); SetDirty();
} }
protected override void OnDidApplyAnimationProperties() {
// Overriding fails compiler base.OnDidApplyAnimationProperties();
new void OnValidate() {
SetDirty(); SetDirty();
} }
protected override void OnValidate() {
base.OnValidate();
SetDirty();
}
protected override void OnDisable() {
SetDirty();
base.OnDisable();
}
protected override void OnRectTransformDimensionsChange() {
base.OnRectTransformDimensionsChange();
SetDirty();
}
bool _delayedSetDirty;
private void SetDirty() {
if (!IsActive()) return;
if (CanvasUpdateRegistry.IsRebuildingLayout()) _delayedSetDirty = true;
else LayoutRebuilder.MarkLayoutForRebuild(transform as RectTransform);
}
void Update() {
if (!_delayedSetDirty) return;
_delayedSetDirty = false;
LayoutRebuilder.MarkLayoutForRebuild(transform as RectTransform);
}
} }
} }