setSpanColumn method

void setSpanColumn(
  1. int column,
  2. int index,
  3. int count
)

Records the sub-column (index of count) this spanning event was given in column's overlap cluster (SpanOverlap.split). Manager calls this per covered column while packing; relayout then rebuilds the geometry.

Implementation

void setSpanColumn(int column, int index, int count) =>
    _spanColumns[column] = (index: index, count: count);