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Interface Gtk.TreeSortable

Import line:	Gtk = imports.gi.Gtk;
GIR File:	Gtk-3.0.gir
C documentation:	GtkTreeSortable
Interface :	TreeSortable
Implementations:	Gtk.ListStore, Gtk.TreeModelSort, Gtk.TreeStore

GtkTreeSortable is an interface to be implemented by tree models which
support sorting. The GtkTreeView uses the methods provided by this interface
to sort the model.

Properties
None

Methods / Constructors
Method / Constructor		Defined By
	get_sort_column_id (Object *out_values) : gboolean Fills in sort_column_id* and order with the current sort column and the order. Fills in sort_column_id and order with the current sort column and the order. It returns TRUE unless the sort_column_id is GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID or GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID. column ids. Parameters: Object out_values gint32 sort_column_id Gtk.SortType order Returns: gboolean TRUE if the sort column is not one of the special sort	Gtk.TreeSortable
	has_default_sort_func () : gboolean Returns TRUE if the model has a default sort function. Returns TRUE if the model has a default sort function. This is used primarily by GtkTreeViewColumns in order to determine if a model can go back to the default state, or not. Returns: gboolean TRUE, if the model has a default sort function	Gtk.TreeSortable
	set_default_sort_func (Function *sort_func, void *user_data, Function destroy) : none Sets the default comparison function used when sorting to be sort_func. Sets the default comparison function used when sorting to be sort_func. If the current sort column id of sortable* is GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, then the model will sort using this function. If sort_func is NULL, then there will be no default comparison function. This means that once the model has been sorted, it can't go back to the default state. In this case, when the current sort column id of sortable is GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, the model will be unsorted. Parameters: Function (TreeModel *model, TreeIter a, TreeIter b, void *user_data) : none Required (not null) The comparison function void user_data User data to pass to sort_func, or NULL Function (void* *data) : none Destroy notifier of user_data, or NULL* Returns: none	Gtk.TreeSortable
	set_sort_column_id (gint32 *sort_column_id, SortType order) : none Sets the current sort column to be sort_column_id. Sets the current sort column to be sort_column_id. The sortable* will resort itself to reflect this change, after emitting a GtkTreeSortable::sort-column-changed signal. sort_column_id may either be a regular column id, or one of the following special values: GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID the default sort function will be used, if it is set GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID no sorting will occur Parameters: gint32 sort_column_id Required (not null) the sort column id to set Gtk.SortType order Required (not null) The sort order of the column Returns: none	Gtk.TreeSortable
	set_sort_func (gint32 *sort_column_id, Function sort_func, void *user_data, Function destroy) : none Sets the comparison function used when sorting to be sort_func. Sets the comparison function used when sorting to be sort_func. If the current sort column id of sortable* is the same as sort_column_id, then the model will sort using this function. Parameters: gint32 sort_column_id Required (not null) the sort column id to set the function for Function (TreeModel *model, TreeIter a, TreeIter b, void *user_data) : none Required (not null) The comparison function void user_data User data to pass to sort_func, or NULL Function (void* *data) : none Destroy notifier of user_data, or NULL* Returns: none	Gtk.TreeSortable
	sort_column_changed () : none Emits a GtkTreeSortable::sort-column-changed signal on sortable. Emits a GtkTreeSortable::sort-column-changed signal on sortable. Returns: none	Gtk.TreeSortable

Events - usage syntax: this.signals.EVENTNAME.connect( Function )
Event		Defined By
	sort_column_changed (TreeSortable *self) : none The ::sort-column-changed signal is emitted when the sort column or sort order of sortable* is changed. The ::sort-column-changed signal is emitted when the sort column or sort order of sortable is changed. The signal is emitted before the contents of sortable are resorted. Parameters: Gtk.TreeSortable self Returns: {none}	Gtk.TreeSortable

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