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`	`GtkTreeSelection`
	A `GtkTreeSelection`
	The data is owned by the caller of the function.
`model`	`GtkTreeModel`
	A `GtkTreeModel` being viewed.
	The data is owned by the caller of the function.
`path`	`GtkTreePath`
	The `GtkTreePath` of the row in question.
	The data is owned by the caller of the function.
`path_currently_selected`	`gboolean`
	`TRUE`, if the path is currently selected.
`data`	`gpointer`
	User data.
	The argument can be `NULL`.
	The data is owned by the caller of the function.

Return value

Returns:	`gboolean`
	`TRUE`, if the selection state of the row can be toggled.