Method

GtkTreeSelectionset_select_function

Declaration [src]

void
gtk_tree_selection_set_select_function (
  GtkTreeSelection* selection,
  GtkTreeSelectionFunc func,
  gpointer data,
  GDestroyNotify destroy
)

Description [src]

Sets the selection function.

If set, this function is called before any node is selected or unselected, giving some control over which nodes are selected. The select function should return TRUE if the state of the node may be toggled, and FALSE if the state of the node should be left unchanged.

Parameters

func

Type: GtkTreeSelectionFunc

The selection function. May be NULL.

The argument can be NULL.
data

Type: gpointer

The selection function’s data. May be NULL.

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

Type: GDestroyNotify

The destroy function for user data. May be NULL.