SelectionGeometry class final

A snapshot of how much of one Selectable's content is currently selected. Selectables notify their registrars when this geometry changes so the rendering tree can repaint the affected selection.

Annotations
  • @immutable

Constructors

SelectionGeometry({required SelectionStatus status, int startEdgeOffsetInContent = -1, int endEdgeOffsetInContent = -1})
const

Properties

endEdgeOffsetInContent → int
Where the end edge lands inside this leaf's content. Same -1 sentinel as startEdgeOffsetInContent.
final
hasContent → bool
Whether the leaf currently displays any selected glyphs.
no setter
hashCode → int
The hash code for this object.
no setteroverride
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
startEdgeOffsetInContent → int
Where the start edge lands inside this leaf's content, as a character offset. -1 when the start edge is not inside this leaf (i.e. selection runs through us from outside).
final
status → SelectionStatus
How the live selection touches this Selectable.
final

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
override

Operators

operator ==(Object other) → bool
The equality operator.
override

Constants

empty → const SelectionGeometry
Convenience: nothing selected.