protected override void OnRectTransformDimensionsChange()
{
if (gameObject.activeInHierarchy)
{
// prevent double dirtying...
if (CanvasUpdateRegistry.IsRebuildingLayout())
{
SetVerticesDirty();
}
else
{
SetVerticesDirty();
SetLayoutDirty();
}
}
}
/// <summary>
/// Clear references.
/// </summary>
protected override void OnDisable()
{
#if UNITY_EDITOR
GraphicRebuildTracker.UnTrackGraphic(this);
#endif
GraphicRegistry.UnregisterGraphicForCanvas(canvas, this);
CanvasUpdateRegistry.UnRegisterCanvasElementForRebuild(this);
if (canvasRenderer != null)
{
canvasRenderer.Clear();
}
LayoutRebuilder.MarkLayoutForRebuild(rectTransform);
base.OnDisable();
}
protected override void OnDisable()
{
CanvasUpdateRegistry.UnRegisterCanvasElementForRebuild(this);
if (m_HorizontalScrollbar)
{
m_HorizontalScrollbar.onValueChanged.RemoveListener(SetHorizontalNormalizedPosition);
}
if (m_VerticalScrollbar)
{
m_VerticalScrollbar.onValueChanged.RemoveListener(SetVerticalNormalizedPosition);
}
m_HasRebuiltLayout = false;
m_Tracker.Clear();
m_Velocity = Vector2.zero;
LayoutRebuilder.MarkLayoutForRebuild(rectTransform);
base.OnDisable();
}
protected override void OnValidate()
{
base.OnValidate();
m_Size = Mathf.Clamp01(m_Size);
//This can be invoked before OnEnabled is called. So we shouldn't be accessing other objects, before OnEnable is called.
if (IsActive())
{
UpdateCachedReferences();
Set(m_Value, false);
// Update rects since other things might affect them even if value didn't change.
UpdateVisuals();
}
var prefabType = UnityEditor.PrefabUtility.GetPrefabType(this);
if (prefabType != UnityEditor.PrefabType.Prefab && !Application.isPlaying)
{
CanvasUpdateRegistry.RegisterCanvasElementForLayoutRebuild(this);
}
}