pub trait TreeSortableExt: 'static {
    fn has_default_sort_func(&self) -> bool;
    fn sort_column_changed(&self);
    fn connect_sort_column_changed<F: Fn(&Self) + 'static>(
        f: F
    ) -> SignalHandlerId; }
Expand description

Required Methods

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.


true, if the model has a default sort function

Emits a signal::TreeSortable::sort-column-changed signal on self.

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.