Retrieves the minimum and natural size of a cell taking into account the widget's preference for height-for-width management.
the GtkWidget this cell will be rendering to
location for storing the minimum size, or NULL. out[allow-none]
location for storing the natural size, or NULL. out[allow-none] Since 3.0
See Implementation
Retrieves the minimum and natural size of a cell taking into account the widget's preference for height-for-width management.