Class RenderListWheelViewport

Inheritance
Object
Diagnosticable
DiagnosticableTree
AbstractNodeMixinDiagnosticableTree
RenderObject
RenderBox
ContainerRenderObjectMixinRenderBox<RenderBox, ListWheelParentData>
RenderListWheelViewport
Inherited Members
Namespace: Unity.UIWidgets.rendering
Syntax
public class RenderListWheelViewport : ContainerRenderObjectMixinRenderBox<RenderBox, ListWheelParentData>, HitTestTarget, ContainerRenderObjectMixin, RenderAbstractViewport

Constructors

RenderListWheelViewport(IListWheelChildManager, ViewportOffset, Single, Single, Single, Single, Boolean, Single, Boolean, Boolean, List<RenderBox>)

Declaration
public RenderListWheelViewport(IListWheelChildManager childManager, ViewportOffset offset, float itemExtent, float diameterRatio = 2F, float perspective = 0.003F, float offAxisFraction = 0F, bool useMagnifier = false, float magnification = 1F, bool clipToSize = true, bool renderChildrenOutsideViewport = false, List<RenderBox> children = null)
Parameters
Type Name Description
IListWheelChildManager childManager
ViewportOffset offset
Single itemExtent
Single diameterRatio
Single perspective
Single offAxisFraction
Boolean useMagnifier
Single magnification
Boolean clipToSize
Boolean renderChildrenOutsideViewport
List<RenderBox> children

Fields

childManager

Declaration
public readonly IListWheelChildManager childManager
Field Value
Type Description
IListWheelChildManager

clipToSizeAndRenderChildrenOutsideViewportConflict

Declaration
public const string clipToSizeAndRenderChildrenOutsideViewportConflict = "Cannot renderChildrenOutsideViewport and clipToSize since children rendered outside will be clipped anyway."
Field Value
Type Description
String

defaultDiameterRatio

Declaration
public const float defaultDiameterRatio = 2F
Field Value
Type Description
Single

defaultPerspective

Declaration
public const float defaultPerspective = 0.003F
Field Value
Type Description
Single

diameterRatioZeroMessage

Declaration
public const string diameterRatioZeroMessage = "You can't set a diameterRatio of 0 or of a negative number. It would imply a cylinder of 0 in diameter in which case nothing will be drawn."
Field Value
Type Description
String

perspectiveTooHighMessage

Declaration
public const string perspectiveTooHighMessage = "A perspective too high will be clipped in the z-axis and therefore not renderable. Value must be between 0 and 0.0f1."
Field Value
Type Description
String

Properties

clipToSize

Declaration
public bool clipToSize { get; set; }
Property Value
Type Description
Boolean

diameterRatio

Declaration
public float diameterRatio { get; set; }
Property Value
Type Description
Single

isRepaintBoundary

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

itemExtent

Declaration
public float itemExtent { get; set; }
Property Value
Type Description
Single

magnification

Declaration
public float magnification { get; set; }
Property Value
Type Description
Single

offAxisFraction

Declaration
public float offAxisFraction { get; set; }
Property Value
Type Description
Single

offset

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

parent

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

perspective

Declaration
public float perspective { get; set; }
Property Value
Type Description
Single

renderChildrenOutsideViewport

Declaration
public bool renderChildrenOutsideViewport { get; set; }
Property Value
Type Description
Boolean

sizedByParent

Declaration
protected override bool sizedByParent { get; }
Property Value
Type Description
Boolean
Overrides

useMagnifier

Declaration
public bool useMagnifier { get; set; }
Property Value
Type Description
Boolean

Methods

attach(Object)

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

computeMaxIntrinsicHeight(Single)

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

computeMaxIntrinsicWidth(Single)

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

computeMinIntrinsicHeight(Single)

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

computeMinIntrinsicWidth(Single)

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

describeApproximatePaintClip(RenderObject)

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

detach()

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

getOffsetToReveal(RenderObject, Single, Rect)

Declaration
public RevealedOffset getOffsetToReveal(RenderObject target, float alignment, Rect rect = null)
Parameters
Type Name Description
RenderObject target
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
Boolean
Overrides

indexOf(RenderBox)

Declaration
public int indexOf(RenderBox child)
Parameters
Type Name Description
RenderBox child
Returns
Type Description
Int32

indexToScrollOffset(Int32)

Declaration
public float indexToScrollOffset(int index)
Parameters
Type Name Description
Int32 index
Returns
Type Description
Single

paint(PaintingContext, Offset)

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

performLayout()

Declaration
protected override void performLayout()
Overrides

performResize()

Declaration
protected override void performResize()
Overrides

scrollOffsetToIndex(Single)

Declaration
public int scrollOffsetToIndex(float scrollOffset)
Parameters
Type Name Description
Single scrollOffset
Returns
Type Description
Int32

setupParentData(RenderObject)

Declaration
public override void setupParentData(RenderObject child)
Parameters
Type Name Description
RenderObject child
Overrides

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

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