Layout constraints contain properties that are used by the layouts to figure out the size and position of elements. Each BlElement
Object subclass: #BlElement
uses: TBlTransformable + TBlEventTarget + TBlDebug
instanceVariableNames: 'spaceReference parent children bounds measuredBounds boundsCache eventDispatcher constraints layout transformation taskQueue errorHandler userData visuals flags'
classVariableNames: ''
package: 'Bloc-Basic'
has common layout constraits that contain properties common to all layouts.
BlElement>>#constraints
constraints
"Return layout constraints object which is used by the layout strategy.
constraints can not be nil.
@see BlElement>>#constraintsDo: for more convenient method to update constraints,
as it requests layout update."
<return: #BlLayoutConstraints>
^ constraints
allows users to get a reference to the constraints of an element:
BlElement new constraints
The following snippet shows how to create a new instance of the common constraints.
BlLayoutCommonConstraints new