defaultColumnWidth property
How to determine with widths of columns that don't have an explicit sizing algorithm.
Specifically, the defaultColumnWidth is used for column i if
columnWidths[i] is null.
Implementation
TableColumnWidth get defaultColumnWidth => _defaultColumnWidth;Implementation
set defaultColumnWidth(TableColumnWidth value) {
assert(value != null);
if (defaultColumnWidth == value)
return;
_defaultColumnWidth = value;
markNeedsLayout();
}