Struct MultiChildLayoutParentData 

pub struct MultiChildLayoutParentData {
    pub id: Option<ChildLayoutId>,
    /* private fields */
}

ParentData used by RenderCustomMultiChildLayoutBox.

Fields

id: Option<ChildLayoutId>

An object representing the identity of this child.

Implementations

impl MultiChildLayoutParentData

pub const fn new() -> MultiChildLayoutParentData

Creates parent data for a child that has no id yet.

Trait Implementations

impl ContainerBoxParentData for MultiChildLayoutParentData

fn box_parent_data(&self) -> &BoxParentData

Mixin field access: the BoxParentData half.

fn box_parent_data_mut(&mut self) -> &mut BoxParentData

See box_parent_data.

fn offset(&self) -> Offset

The offset at which to paint the child in the parent’s coordinate system.

fn set_offset(&mut self, value: Offset)

Sets offset.

impl ContainerParentDataMixin for MultiChildLayoutParentData

type ChildType = AnyRenderBox

The type-erased handle of a child in the list. AnyRenderBox for a box container.

fn container_parent_data(&self) -> &ContainerParentData<AnyRenderBox>

Mixin field access.

fn container_parent_data_mut( &mut self, ) -> &mut ContainerParentData<AnyRenderBox>

See container_parent_data.

fn previous_sibling(&self) -> Option<Self::ChildType>

The previous sibling in the parent’s child list.

fn set_previous_sibling(&mut self, value: Option<Self::ChildType>)

Sets previous_sibling.

fn next_sibling(&self) -> Option<Self::ChildType>

The next sibling in the parent’s child list.

fn set_next_sibling(&mut self, value: Option<Self::ChildType>)

Sets next_sibling.

fn detach(&mut self)

Clear the sibling pointers.

impl Debug for MultiChildLayoutParentData

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for MultiChildLayoutParentData

fn default() -> MultiChildLayoutParentData

Returns the “default value” for a type.

impl Display for MultiChildLayoutParentData

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl ParentData for MultiChildLayoutParentData

fn detach(&mut self)

Called when the render object is removed from the tree.

fn provide(&self, id: TypeId) -> Option<&dyn Any>

The half of this parent data whose type is id, if it embeds one.

fn provide_mut(&mut self, id: TypeId) -> Option<&mut dyn Any>

See provide; mirrors it exactly.