SliverStaggeredGridGeometry class
Describes the placement of a child in a RenderSliverStaggeredGrid.
See also:
- RenderSliverStaggeredGrid, which uses this class during its RenderSliverStaggeredGrid.performLayout method.
- Annotations
Constructors
- SliverStaggeredGridGeometry({required double scrollOffset, required double crossAxisOffset, required double? mainAxisExtent, required double crossAxisExtent, required int crossAxisCellCount, required int blockIndex})
-
Creates an object that describes the placement of a child in a RenderSliverStaggeredGrid.
const
Properties
- blockIndex → int
-
final
- crossAxisCellCount → int
-
final
- crossAxisExtent → double
-
The extent of the child in the non-scrolling axis.
final
- crossAxisOffset → double
-
The offset of the child in the non-scrolling axis.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasTrailingScrollOffset → bool
-
no setter
- mainAxisExtent → double?
-
The extent of the child in the scrolling axis.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scrollOffset → double
-
The scroll offset of the leading edge of the child relative to the leading
edge of the parent.
final
- trailingScrollOffset → double
-
The scroll offset of the trailing edge of the child relative to the
leading edge of the parent.
no setter
Methods
-
copyWith(
{double? scrollOffset, double? crossAxisOffset, double? mainAxisExtent, double? crossAxisExtent, int? crossAxisCellCount, int? blockIndex}) → SliverStaggeredGridGeometry -
getBoxConstraints(
SliverConstraints constraints) → BoxConstraints - Returns a tight BoxConstraints that forces the child to have the required size.
-
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.
inherited