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#20591: add shrinkWrapHorizontal for markdown body layout #1

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Merged
jimmyshiau merged 1 commit into from
Oct 17, 2025
Merged

#20591: add shrinkWrapHorizontal for markdown body layout #1

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7 changes: 5 additions & 2 deletions packages/flutter_markdown/lib/src/builder.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -158,12 +158,15 @@ class MarkdownBuilder implements md.NodeVisitor {
this.onTapText,
this.softLineBreak = false,
this.customizedMarkdownHandler,
this.shrinkWrapHorizontal = false,
}) : assert(imageBuilder == null || sizedImageBuilder == null,
'Only one of imageBuilder or sizedImageBuilder may be specified.');

/// A delegate that controls how link and `pre` elements behave.
final MarkdownBuilderDelegate delegate;

final bool shrinkWrapHorizontal;

/// If true, the text is selectable.
///
/// Defaults to false.
Expand Down Expand Up @@ -493,9 +496,9 @@ class MarkdownBuilder implements md.NodeVisitor {

final Wrap wrap = Wrap(children: mergedTexts.map((w) {
return w is SelectableText ? Row(
mainAxisSize: MainAxisSize.max,
mainAxisSize: shrinkWrapHorizontal ? MainAxisSize.min : MainAxisSize.max,
children: [
Expanded(child: w)
Flexible(child: w)
]
) : w;
}).toList());
Expand Down
10 changes: 8 additions & 2 deletions packages/flutter_markdown/lib/src/widget.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -301,9 +301,13 @@ abstract class MarkdownWidget extends StatefulWidget {
this.listItemCrossAxisAlignment =
MarkdownListItemCrossAxisAlignment.baseline,
this.softLineBreak = false,
this.customizedMarkdownHandler
this.customizedMarkdownHandler,
this.shrinkWrapHorizontal = false,
});

/// Shrink wrap in vertical axis if true.
final bool shrinkWrapHorizontal;

/// The Markdown to display.
final String data;

Expand Down Expand Up @@ -486,7 +490,8 @@ class _MarkdownWidgetState extends State<MarkdownWidget>
onSelectionChanged: widget.onSelectionChanged,
onTapText: widget.onTapText,
softLineBreak: widget.softLineBreak,
customizedMarkdownHandler: widget.customizedMarkdownHandler
customizedMarkdownHandler: widget.customizedMarkdownHandler,
shrinkWrapHorizontal: widget.shrinkWrapHorizontal,
);

_children = builder.build(astNodes);
Expand Down Expand Up @@ -562,6 +567,7 @@ class MarkdownBody extends MarkdownWidget {
super.paddingBuilders,
super.listItemCrossAxisAlignment,
this.shrinkWrap = true,
super.shrinkWrapHorizontal,
super.fitContent = true,
super.softLineBreak,
super.customizedMarkdownHandler,
Expand Down