Function

GtkTreeSelectionFunc

Declaration 

gboolean
(* GtkTreeSelectionFunc) (
  GtkTreeSelection* selection,
  GtkTreeModel* model,
  GtkTreePath* path,
  gboolean path_currently_selected,
  gpointer data
)

Description [src]

A function used by gtk_tree_selection_set_select_function() to filter whether or not a row may be selected. It is called whenever a row’s state might change.

A return value of TRUE indicates to selection that it is okay to change the selection.

Parameters

selection

Type: GtkTreeSelection

A GtkTreeSelection.

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

Type: GtkTreeModel

A GtkTreeModel being viewed.

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

Type: GtkTreePath

The GtkTreePath of the row in question.

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

Type: gboolean

TRUE, if the path is currently selected.

data

Type: gpointer

User data.

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

Return value

Type: gboolean

TRUE, if the selection state of the row can be toggled.