Class RenderViewportBase<ParentDataClass>

Inheritance
System.Object
Diagnosticable
DiagnosticableTree
AbstractNodeMixinDiagnosticableTree
RenderObject
RenderBox
ContainerRenderObjectMixinRenderBox<RenderSliver, ParentDataClass>
RenderViewportBase<ParentDataClass>
RenderShrinkWrappingViewport
RenderViewport
Inherited Members
Namespace: Unity.UIWidgets.rendering
Syntax
public abstract class RenderViewportBase<ParentDataClass> : ContainerRenderObjectMixinRenderBox<RenderSliver, ParentDataClass>, HitTestTarget, ContainerRenderObjectMixin, RenderAbstractViewport where ParentDataClass : ParentData, ContainerParentDataMixin<RenderSliver>
Type Parameters
Name Description
ParentDataClass

Constructors

RenderViewportBase(AxisDirection, AxisDirection, ViewportOffset, Single)

Declaration
protected RenderViewportBase(AxisDirection axisDirection = AxisDirection.down, AxisDirection crossAxisDirection = AxisDirection.right, ViewportOffset offset = null, float cacheExtent = 250F)
Parameters
Type Name Description
AxisDirection axisDirection
AxisDirection crossAxisDirection
ViewportOffset offset
System.Single cacheExtent

Properties

axis

Declaration
public Axis axis { get; }
Property Value
Type Description
Axis

axisDirection

Declaration
public AxisDirection axisDirection { get; set; }
Property Value
Type Description
AxisDirection

cacheExtent

Declaration
public float cacheExtent { get; set; }
Property Value
Type Description
System.Single

childrenInHitTestOrder

Declaration
protected abstract IEnumerable<RenderSliver> childrenInHitTestOrder { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<RenderSliver>

childrenInPaintOrder

Declaration
protected abstract IEnumerable<RenderSliver> childrenInPaintOrder { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<RenderSliver>

crossAxisDirection

Declaration
public AxisDirection crossAxisDirection { get; set; }
Property Value
Type Description
AxisDirection

hasVisualOverflow

Declaration
protected abstract bool hasVisualOverflow { get; }
Property Value
Type Description
System.Boolean

indexOfFirstChild

Declaration
protected abstract int indexOfFirstChild { get; }
Property Value
Type Description
System.Int32

isRepaintBoundary

Declaration
public override bool isRepaintBoundary { get; }
Property Value
Type Description
System.Boolean
Overrides

offset

Declaration
public ViewportOffset offset { get; set; }
Property Value
Type Description
ViewportOffset

parent

Declaration
public RenderObject parent { get; }
Property Value
Type Description
RenderObject
Implements

Methods

_paintContents(PaintingContext, Offset)

Declaration
public void _paintContents(PaintingContext context, Offset offset)
Parameters
Type Name Description
PaintingContext context
Offset offset

attach(Object)

Declaration
public override void attach(object owner)
Parameters
Type Name Description
System.Object owner
Overrides
Unity.UIWidgets.rendering.ContainerRenderObjectMixinRenderBox<Unity.UIWidgets.rendering.RenderSliver, ParentDataClass>.attach(System.Object)

computeAbsolutePaintOffset(RenderSliver, Single, GrowthDirection)

Declaration
protected Offset computeAbsolutePaintOffset(RenderSliver child, float layoutOffset, GrowthDirection growthDirection)
Parameters
Type Name Description
RenderSliver child
System.Single layoutOffset
GrowthDirection growthDirection
Returns
Type Description
Offset

computeChildMainAxisPosition(RenderSliver, Single)

Declaration
protected abstract float computeChildMainAxisPosition(RenderSliver child, float parentMainAxisPosition)
Parameters
Type Name Description
RenderSliver child
System.Single parentMainAxisPosition
Returns
Type Description
System.Single

computeMaxIntrinsicHeight(Single)

Declaration
protected override float computeMaxIntrinsicHeight(float width)
Parameters
Type Name Description
System.Single width
Returns
Type Description
System.Single
Overrides

computeMaxIntrinsicWidth(Single)

Declaration
protected override float computeMaxIntrinsicWidth(float height)
Parameters
Type Name Description
System.Single height
Returns
Type Description
System.Single
Overrides

computeMinIntrinsicHeight(Single)

Declaration
protected override float computeMinIntrinsicHeight(float width)
Parameters
Type Name Description
System.Single width
Returns
Type Description
System.Single
Overrides

computeMinIntrinsicWidth(Single)

Declaration
protected override float computeMinIntrinsicWidth(float height)
Parameters
Type Name Description
System.Single height
Returns
Type Description
System.Single
Overrides

debugDescribeChildren()

Declaration
public override List<DiagnosticsNode> debugDescribeChildren()
Returns
Type Description
System.Collections.Generic.List<DiagnosticsNode>
Overrides
Unity.UIWidgets.rendering.ContainerRenderObjectMixinRenderBox<Unity.UIWidgets.rendering.RenderSliver, ParentDataClass>.debugDescribeChildren()

debugFillProperties(DiagnosticPropertiesBuilder)

Declaration
public override void debugFillProperties(DiagnosticPropertiesBuilder properties)
Parameters
Type Name Description
DiagnosticPropertiesBuilder properties
Overrides

debugPaintSize(PaintingContext, Offset)

Declaration
protected override void debugPaintSize(PaintingContext context, Offset offset)
Parameters
Type Name Description
PaintingContext context
Offset offset
Overrides

debugThrowIfNotCheckingIntrinsics()

Declaration
protected virtual bool debugThrowIfNotCheckingIntrinsics()
Returns
Type Description
System.Boolean

describeApproximatePaintClip(RenderObject)

Declaration
public override Rect describeApproximatePaintClip(RenderObject childRaw)
Parameters
Type Name Description
RenderObject childRaw
Returns
Type Description
Rect
Overrides

detach()

Declaration
public override void detach()
Overrides
Unity.UIWidgets.rendering.ContainerRenderObjectMixinRenderBox<Unity.UIWidgets.rendering.RenderSliver, ParentDataClass>.detach()

getOffsetToReveal(RenderObject, Single, Rect)

Declaration
public RevealedOffset getOffsetToReveal(RenderObject target, float alignment, Rect rect = null)
Parameters
Type Name Description
RenderObject target
System.Single alignment
Rect rect
Returns
Type Description
RevealedOffset
Implements

hitTestChildren(HitTestResult, Offset)

Declaration
protected override bool hitTestChildren(HitTestResult result, Offset position = null)
Parameters
Type Name Description
HitTestResult result
Offset position
Returns
Type Description
System.Boolean
Overrides

labelForChild(Int32)

Declaration
protected abstract string labelForChild(int index)
Parameters
Type Name Description
System.Int32 index
Returns
Type Description
System.String

layoutChildSequence(RenderSliver, Single, Single, Single, Single, Single, Single, GrowthDirection, Func<RenderSliver, RenderSliver>, Single, Single)

Declaration
protected float layoutChildSequence(RenderSliver child, float scrollOffset, float overlap, float layoutOffset, float remainingPaintExtent, float mainAxisExtent, float crossAxisExtent, GrowthDirection growthDirection, Func<RenderSliver, RenderSliver> advance, float remainingCacheExtent, float cacheOrigin)
Parameters
Type Name Description
RenderSliver child
System.Single scrollOffset
System.Single overlap
System.Single layoutOffset
System.Single remainingPaintExtent
System.Single mainAxisExtent
System.Single crossAxisExtent
GrowthDirection growthDirection
System.Func<RenderSliver, RenderSliver> advance
System.Single remainingCacheExtent
System.Single cacheOrigin
Returns
Type Description
System.Single

maxScrollObstructionExtentBefore(RenderSliver)

Declaration
protected abstract float maxScrollObstructionExtentBefore(RenderSliver child)
Parameters
Type Name Description
RenderSliver child
Returns
Type Description
System.Single

paint(PaintingContext, Offset)

Declaration
public override void paint(PaintingContext context, Offset offset)
Parameters
Type Name Description
PaintingContext context
Offset offset
Overrides

paintOffsetOf(RenderSliver)

Declaration
protected abstract Offset paintOffsetOf(RenderSliver child)
Parameters
Type Name Description
RenderSliver child
Returns
Type Description
Offset

scrollOffsetOf(RenderSliver, Single)

Declaration
protected abstract float scrollOffsetOf(RenderSliver child, float scrollOffsetWithinChild)
Parameters
Type Name Description
RenderSliver child
System.Single scrollOffsetWithinChild
Returns
Type Description
System.Single

showInViewport(RenderObject, Rect, RenderAbstractViewport, ViewportOffset, Nullable<TimeSpan>, Curve)

Declaration
public static Rect showInViewport(RenderObject descendant = null, Rect rect = null, RenderAbstractViewport viewport = null, ViewportOffset offset = null, TimeSpan? duration = default(TimeSpan? ), Curve curve = null)
Parameters
Type Name Description
RenderObject descendant
Rect rect
RenderAbstractViewport viewport
ViewportOffset offset
System.Nullable<System.TimeSpan> duration
Curve curve
Returns
Type Description
Rect

showOnScreen(RenderObject, Rect, Nullable<TimeSpan>, Curve)

Declaration
public override void showOnScreen(RenderObject descendant, Rect rect, TimeSpan? duration = default(TimeSpan? ), Curve curve = null)
Parameters
Type Name Description
RenderObject descendant
Rect rect
System.Nullable<System.TimeSpan> duration
Curve curve
Overrides

updateChildLayoutOffset(RenderSliver, Single, GrowthDirection)

Declaration
protected abstract void updateChildLayoutOffset(RenderSliver child, float layoutOffset, GrowthDirection growthDirection)
Parameters
Type Name Description
RenderSliver child
System.Single layoutOffset
GrowthDirection growthDirection

updateOutOfBandData(GrowthDirection, SliverGeometry)

Declaration
protected abstract void updateOutOfBandData(GrowthDirection growthDirection, SliverGeometry childLayoutGeometry)
Parameters
Type Name Description
GrowthDirection growthDirection
SliverGeometry childLayoutGeometry