Causes the minimum and/or natural width to grow if the new proposed sizes exceed the current minimum and natural width.
This is used by gtk.CellAreaContext implementations during the request process over a series of gtk.TreeModel rows to progressively push the requested width over a series of CellArea.getPreferredWidth requests.
the proposed new minimum width for context
the proposed new natural width for context
3.0
Causes the minimum and/or natural width to grow if the new proposed sizes exceed the current minimum and natural width.
This is used by gtk.CellAreaContext implementations during the request process over a series of gtk.TreeModel rows to progressively push the requested width over a series of CellArea.getPreferredWidth requests.