Class
Gtk.Sorter
Description [src]
class Gtk.Sorter : GObject.Object {
parent_instance: GObject
}
GtkSorter
is an object to describe sorting criteria.
Its primary user is GtkSortListModel
The model will use a sorter to determine the order in which
its items should appear by calling gtk_sorter_compare()
for pairs of items.
Sorters may change their sorting behavior through their lifetime.
In that case, they will emit the GtkSorter::changed
signal
to notify that the sort order is no longer valid and should be updated
by calling gtk_sorter_compare()
again.
GTK provides various pre-made sorter implementations for common sorting
operations. GtkColumnView
has built-in support for sorting lists
via the GtkColumnViewColumn:sorter
property, where the user can
change the sorting by clicking on list headers.
Of course, in particular for large lists, it is also possible to subclass
GtkSorter
and provide one’s own sorter.
Instance methods
gtk_sorter_changed
Emits the GtkSorter::changed
signal to notify all users
of the sorter that it has changed.
gtk_sorter_compare
Compares two given items according to the sort order implemented by the sorter.
gtk_sorter_get_order
Gets the order that self
conforms to.
Signals
Gtk.Sorter::changed
Emitted whenever the sorter changed.
Class structure
struct GtkSorterClass {
GObjectClass parent_class;
GtkOrdering (* compare) (
GtkSorter* self,
GObject* item1,
GObject* item2
);
GtkSorterOrder (* get_order) (
GtkSorter* self
);
void (* _gtk_reserved1) (
void
);
void (* _gtk_reserved2) (
void
);
void (* _gtk_reserved3) (
void
);
void (* _gtk_reserved4) (
void
);
void (* _gtk_reserved5) (
void
);
void (* _gtk_reserved6) (
void
);
void (* _gtk_reserved7) (
void
);
void (* _gtk_reserved8) (
void
);
}
Class members
parent_class |
|
No description available. | |
compare |
|
No description available. | |
get_order |
|
No description available. | |
_gtk_reserved1 |
|
No description available. | |
_gtk_reserved2 |
|
No description available. | |
_gtk_reserved3 |
|
No description available. | |
_gtk_reserved4 |
|
No description available. | |
_gtk_reserved5 |
|
No description available. | |
_gtk_reserved6 |
|
No description available. | |
_gtk_reserved7 |
|
No description available. | |
_gtk_reserved8 |
|
No description available. |
Virtual methods
Gtk.SorterClass.compare
Compares two given items according to the sort order implemented by the sorter.
Gtk.SorterClass.get_order
Gets the order that self
conforms to.