minWidth method
Minimum widths needed for this node.
Implementation
@override
int minWidth(int paneMinWidth, int paneMinHeight) => switch (direction) {
PaneSplitDirection.vertical =>
first.minWidth(paneMinWidth, paneMinHeight) +
second.minWidth(paneMinWidth, paneMinHeight),
PaneSplitDirection.horizontal => math.max(
first.minWidth(paneMinWidth, paneMinHeight),
second.minWidth(paneMinWidth, paneMinHeight),
),
};