layout::stacker
Structs
ContainerReflowTransition
Reflow animation applied to surviving children when the stack layout changes.
Properties
kind
Type: Property<ContainerReflowTransitionKind>
Which reflow animation source to use.
frames
Type: Property<u64>
Duration in frames for Ease.
curve
Type: Property<ContainerReflowCurve>
Curve used for Ease.
name
Type: Property<String>
Reserved for a future named motion-curve lookup when kind is Named.
Stacker
Stacker lays out a series of nodes either
vertically or horizontally (i.e. a single row or column) with a specified gutter in between
each node. Stackers can be stacked inside of each other, horizontally
and vertically, along with percentage-based positioning and Transform2D.anchor to compose any rectilinear 2D layout.
Properties
direction
Type: Property<StackerDirection>
The direction the stacker should flow its cells
gutter
Spacing between cells
autosize
Type: Property<bool>
When true, the stacker uses content-child bounds to autosize its cells and, when possible, its own bounds as well.
Stacker interprets plain autosize=true as "autosize the extending
axis only" (y for vertical stacks, x for horizontal stacks). Use
autosize_x / autosize_y to override those per-axis defaults.
The underlying shrink-sizing pass only applies when the measured axis can be resolved without parent-size cycles, so percent-sized children continue to use the existing top-down layout behavior unless the corresponding stacker axis is already explicit.
autosize_x
Type: Property<Option<bool>>
Optional override for whether autosize manages the x axis.
autosize_y
Type: Property<Option<bool>>
Optional override for whether autosize manages the y axis.
sizes
Type: Property<Vec<Option<Size>>>
Size of each cell, by index. None-values (or array-index out-of-bounds values) will fall back to computed, equal-sizing
exit_mode
Type: Property<ContainerExitMode>
Whether exiting children stay in normal stack flow or hold their previous frame as ghosts.
reflow_transition
Type: Property<ContainerReflowTransition>
How surviving children should move when the stack's layout changes.
Defaults to Snap so Stackers remain a stable layout primitive unless
reflow motion is explicitly requested.
Enums
ContainerExitMode
Whether exiting children remain in normal layout flow or become ghosts.
Variants
Flow
Keep exiting children in the stack's in-flow layout until their out-transition finishes.
Ghost
Hold exiting children at their previous frame as overlays while the remaining children resolve layout without them.
ContainerReflowCurve
Easing curve used by ContainerReflowTransitionKind::Ease.
Variants
Linear
Hold
InQuad
OutQuad
InOutQuad
InBack
OutBack
InOutBack
ContainerReflowTransitionKind
Which reflow animation source to use when children move to new stack positions.
Variants
Snap
Snap immediately to the new layout.
Ease
Use a duration and easing curve.
Named
Reserved for a future named motion-curve lookup in the current component scope.
StackerDirection
Flow direction for a Stacker.
Variants
Vertical
Stack children top-to-bottom.
Horizontal
Stack children left-to-right.