Retreives a cell renderers's minimum and natural height if it were rendered to widget with the specified width.
the GtkWidget this cell will be rendering to
the size which is available for allocation
location for storing the minimum size, or NULL. out[allow-none]
location for storing the preferred size, or NULL. out[allow-none] Since 3.0
See Implementation
Retreives a cell renderers's minimum and natural height if it were rendered to widget with the specified width.