Function

GtkTreeModelFilterModifyFunc

Declaration 

void
(* GtkTreeModelFilterModifyFunc) (
  GtkTreeModel* model,
  GtkTreeIter* iter,
  GValue* value,
  int column,
  gpointer data
)

Description [src]

A function which calculates display values from raw values in the model. It must fill value with the display value for the column column in the row indicated by iter.

Since this function is called for each data access, it’s not a particularly efficient operation.

Parameters

model

Type: GtkTreeModel

The GtkTreeModelFilter.

The data is owned by the caller of the function.
iter

Type: GtkTreeIter

A GtkTreeIter pointing to the row whose display values are determined.

The data is owned by the caller of the function.
value

Type: GValue

A GValue which is already initialized for with the correct type for the column column.

The argument will be set by the function.
The returned data is owned by the function.
column

Type: int

The column whose display value is determined.

data

Type: gpointer

User data given to gtk_tree_model_filter_set_modify_func().

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