since: 2.4

Declaration [src]

gtk_tree_model_filter_set_modify_func (
  GtkTreeModelFilter* filter,
  gint 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.

Available since: 2.4



Type: gint

The number of columns in the filter model.


Type: An array of GType

The GTypes of the columns.

The length of the array is specified in the n_columns argument.
The data is owned by the caller of the method.

Type: GtkTreeModelFilterModifyFunc

A GtkTreeModelFilterModifyFunc.


Type: gpointer

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

The argument can be NULL.
The data is owned by the caller of the method.

Type: GDestroyNotify

Destroy notifier of data, or NULL.

The argument can be NULL.