Method

Gtk.TreeModelFilter.set_modify_func

Declaration [src]

void
gtk_tree_model_filter_set_modify_func (
  GtkTreeModelFilter* filter,
  int n_columns,
  GType* types,
  GtkTreeModelFilterModifyFunc func,
  gpointer data,
  GDestroyNotify destroy
)

Description [src]

With the n_columns and types parameters, you give an array of column types for this model (which will be exposed to the parent model/view). The func, data and destroy parameters are for specifying the modify function. The modify function will get called for each data access, the goal of the modify function is to return the data which should be displayed at the location specified using the parameters of the modify function.

Note that gtk_tree_model_filter_set_modify_func() can only be called once for a given filter model.

Parameters

n_columns int
 

The number of columns in the filter model.

types An array of GType
 

The GTypes of the columns.

 The length of the array is in the n_columns argument
 The data is owned by the caller of the function
func GtkTreeModelFilterModifyFunc
 

A GtkTreeModelFilterModifyFunc

data gpointer
 

User data to pass to the modify function, or NULL.

destroy GDestroyNotify
 

Destroy notifier of data, or NULL.