Remove Deprecated RenderUnconstrainedBox (#111711)
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Kate Lovett
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30c2d77d16
@ -879,91 +879,6 @@ class RenderConstraintsTransformBox extends RenderAligningShiftedBox with DebugO
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}
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}
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/// Renders a box, imposing no constraints on its child, allowing the child to
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/// render at its "natural" size.
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///
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/// The class is deprecated, use [RenderConstraintsTransformBox] instead.
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///
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/// This allows a child to render at the size it would render if it were alone
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/// on an infinite canvas with no constraints. This box will then attempt to
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/// adopt the same size, within the limits of its own constraints. If it ends
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/// up with a different size, it will align the child based on [alignment].
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/// If the box cannot expand enough to accommodate the entire child, the
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/// child will be clipped.
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///
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/// In debug mode, if the child overflows the box, a warning will be printed on
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/// the console, and black and yellow striped areas will appear where the
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/// overflow occurs.
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///
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/// See also:
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///
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/// * [RenderConstrainedBox], which renders a box which imposes constraints
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/// on its child.
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/// * [RenderConstrainedOverflowBox], which renders a box that imposes different
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/// constraints on its child than it gets from its parent, possibly allowing
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/// the child to overflow the parent.
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/// * [RenderSizedOverflowBox], a render object that is a specific size but
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/// passes its original constraints through to its child, which it allows to
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/// overflow.
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///
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@Deprecated(
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'Use RenderConstraintsTransformBox instead. '
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'This feature was deprecated after v2.1.0-11.0.pre.',
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)
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class RenderUnconstrainedBox extends RenderConstraintsTransformBox {
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/// Create a render object that sizes itself to the child but does not
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/// pass the [constraints] down to that child.
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///
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/// The [alignment] and [clipBehavior] must not be null.
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@Deprecated(
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'Use RenderConstraintsTransformBox instead. '
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'This feature was deprecated after v2.1.0-11.0.pre.',
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)
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RenderUnconstrainedBox({
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required super.alignment,
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required super.textDirection,
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Axis? constrainedAxis,
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super.child,
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super.clipBehavior,
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}) : assert(alignment != null),
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assert(clipBehavior != null),
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_constrainedAxis = constrainedAxis,
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super(
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constraintsTransform: _convertAxis(constrainedAxis),
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);
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/// The axis to retain constraints on, if any.
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///
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/// If not set, or set to null (the default), neither axis will retain its
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/// constraints. If set to [Axis.vertical], then vertical constraints will
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/// be retained, and if set to [Axis.horizontal], then horizontal constraints
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/// will be retained.
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Axis? get constrainedAxis => _constrainedAxis;
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Axis? _constrainedAxis;
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set constrainedAxis(Axis? value) {
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if (_constrainedAxis == value) {
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return;
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}
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_constrainedAxis = value;
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constraintsTransform = _convertAxis(constrainedAxis);
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}
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static BoxConstraints _unconstrained(BoxConstraints constraints) => const BoxConstraints();
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static BoxConstraints _widthConstrained(BoxConstraints constraints) => constraints.widthConstraints();
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static BoxConstraints _heightConstrained(BoxConstraints constraints) => constraints.heightConstraints();
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static BoxConstraintsTransform _convertAxis(Axis? constrainedAxis) {
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if (constrainedAxis == null) {
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return _unconstrained;
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}
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switch (constrainedAxis) {
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case Axis.horizontal:
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return _widthConstrained;
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case Axis.vertical:
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return _heightConstrained;
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}
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}
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}
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/// A render object that is a specific size but passes its original constraints
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/// through to its child, which it allows to overflow.
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///
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@ -336,8 +336,8 @@ void main() {
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});
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test('UnconstrainedBox expands to fit children', () {
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final RenderUnconstrainedBox unconstrained = RenderUnconstrainedBox(
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constrainedAxis: Axis.horizontal, // This is reset to null below.
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final RenderConstraintsTransformBox unconstrained = RenderConstraintsTransformBox(
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constraintsTransform: ConstraintsTransformBox.widthUnconstrained,
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textDirection: TextDirection.ltr,
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child: RenderConstrainedBox(
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additionalConstraints: const BoxConstraints.tightFor(width: 200.0, height: 200.0),
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@ -354,7 +354,7 @@ void main() {
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),
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);
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// Check that we can update the constrained axis to null.
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unconstrained.constrainedAxis = null;
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unconstrained.constraintsTransform = ConstraintsTransformBox.unconstrained;
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TestRenderingFlutterBinding.instance.reassembleApplication();
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expect(unconstrained.size.width, equals(200.0), reason: 'unconstrained width');
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@ -362,7 +362,8 @@ void main() {
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});
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test('UnconstrainedBox handles vertical overflow', () {
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final RenderUnconstrainedBox unconstrained = RenderUnconstrainedBox(
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final RenderConstraintsTransformBox unconstrained = RenderConstraintsTransformBox(
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constraintsTransform: ConstraintsTransformBox.unconstrained,
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textDirection: TextDirection.ltr,
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child: RenderConstrainedBox(
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additionalConstraints: const BoxConstraints.tightFor(height: 200.0),
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@ -378,7 +379,8 @@ void main() {
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});
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test('UnconstrainedBox handles horizontal overflow', () {
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final RenderUnconstrainedBox unconstrained = RenderUnconstrainedBox(
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final RenderConstraintsTransformBox unconstrained = RenderConstraintsTransformBox(
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constraintsTransform: ConstraintsTransformBox.unconstrained,
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textDirection: TextDirection.ltr,
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child: RenderConstrainedBox(
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additionalConstraints: const BoxConstraints.tightFor(width: 200.0),
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@ -508,7 +510,8 @@ void main() {
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});
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test ('getMinIntrinsicWidth error handling', () {
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final RenderUnconstrainedBox unconstrained = RenderUnconstrainedBox(
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final RenderConstraintsTransformBox unconstrained = RenderConstraintsTransformBox(
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constraintsTransform: ConstraintsTransformBox.unconstrained,
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textDirection: TextDirection.ltr,
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child: RenderConstrainedBox(
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additionalConstraints: const BoxConstraints.tightFor(width: 200.0),
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@ -632,7 +635,8 @@ void main() {
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});
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test('UnconstrainedBox.toStringDeep returns useful information', () {
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final RenderUnconstrainedBox unconstrained = RenderUnconstrainedBox(
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final RenderConstraintsTransformBox unconstrained = RenderConstraintsTransformBox(
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constraintsTransform: ConstraintsTransformBox.unconstrained,
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textDirection: TextDirection.ltr,
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alignment: Alignment.center,
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);
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@ -642,7 +646,7 @@ void main() {
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expect(
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unconstrained.toStringDeep(minLevel: DiagnosticLevel.info),
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equalsIgnoringHashCodes(
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'RenderUnconstrainedBox#00000 NEEDS-LAYOUT NEEDS-PAINT DETACHED\n'
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'RenderConstraintsTransformBox#00000 NEEDS-LAYOUT NEEDS-PAINT DETACHED\n'
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' parentData: MISSING\n'
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' constraints: MISSING\n'
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' size: MISSING\n'
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@ -655,8 +659,8 @@ void main() {
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test('UnconstrainedBox honors constrainedAxis=Axis.horizontal', () {
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final RenderConstrainedBox flexible =
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RenderConstrainedBox(additionalConstraints: const BoxConstraints.expand(height: 200.0));
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final RenderUnconstrainedBox unconstrained = RenderUnconstrainedBox(
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constrainedAxis: Axis.horizontal,
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final RenderConstraintsTransformBox unconstrained = RenderConstraintsTransformBox(
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constraintsTransform: ConstraintsTransformBox.heightUnconstrained,
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textDirection: TextDirection.ltr,
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child: RenderFlex(
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textDirection: TextDirection.ltr,
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@ -678,8 +682,8 @@ void main() {
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test('UnconstrainedBox honors constrainedAxis=Axis.vertical', () {
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final RenderConstrainedBox flexible =
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RenderConstrainedBox(additionalConstraints: const BoxConstraints.expand(width: 200.0));
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final RenderUnconstrainedBox unconstrained = RenderUnconstrainedBox(
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constrainedAxis: Axis.vertical,
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final RenderConstraintsTransformBox unconstrained = RenderConstraintsTransformBox(
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constraintsTransform: ConstraintsTransformBox.widthUnconstrained,
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textDirection: TextDirection.ltr,
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child: RenderFlex(
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direction: Axis.vertical,
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@ -710,13 +714,14 @@ void main() {
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}
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for (final Clip? clip in <Clip?>[null, ...Clip.values]) {
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final RenderUnconstrainedBox box;
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final RenderConstraintsTransformBox box;
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switch (clip) {
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case Clip.none:
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case Clip.hardEdge:
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case Clip.antiAlias:
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case Clip.antiAliasWithSaveLayer:
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box = RenderUnconstrainedBox(
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box = RenderConstraintsTransformBox(
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constraintsTransform: ConstraintsTransformBox.unconstrained,
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alignment: Alignment.center,
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textDirection: TextDirection.ltr,
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child: box200x200,
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@ -724,7 +729,8 @@ void main() {
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);
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break;
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case null:
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box = RenderUnconstrainedBox(
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box = RenderConstraintsTransformBox(
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constraintsTransform: ConstraintsTransformBox.unconstrained,
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alignment: Alignment.center,
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textDirection: TextDirection.ltr,
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child: box200x200,
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