ViewportOffset

zero

(),

textSelectionDelegate:

FakeEditableTextState

(),

startHandleLayerLink:

LayerLink

(),

endHandleLayerLink:

LayerLink

(),

);

// Lay out the RenderEditable first.

editable

layout

BoxConstraints

loose

const

Size

1000.0

1000.0

)));

final

PipelineOwner

owner

PipelineOwner

onNeedVisualUpdate:

()

{});

editable

attach