pub struct ColumnViewSorter { /* private fields */ }
v4_10
only.Expand description
ColumnViewSorter
is a sorter implementation that
is geared towards the needs of ColumnView
.
The sorter returned by ColumnView::sorter()
is
a ColumnViewSorter
.
In column views, sorting can be configured by associating
sorters with columns, and users can invert sort order by clicking
on column headers. The API of ColumnViewSorter
is designed
to allow saving and restoring this configuration.
If you are only interested in the primary sort column (i.e. the
column where a sort indicator is shown in the header), then
you can just look at primary-sort-column
and primary-sort-order
.
If you want to store the full sort configuration, including
secondary sort columns that are used for tie breaking, then
you can use nth_sort_column()
.
To get notified about changes, use changed
.
To restore a saved sort configuration on a ColumnView
,
use code like:
sorter = gtk_column_view_get_sorter (view);
for (i = gtk_column_view_sorter_get_n_sort_columns (sorter) - 1; i >= 0; i--)
{
column = gtk_column_view_sorter_get_nth_sort_column (sorter, i, &order);
gtk_column_view_sort_by_column (view, column, order);
}
§Properties
§primary-sort-column
The primary sort column.
The primary sort column is the one that displays the triangle in a column view header.
Readable
§primary-sort-order
The primary sort order.
The primary sort order determines whether the triangle displayed in the column view header of the primary sort column points upwards or downwards.
Readable
§Implements
SorterExt
, [trait@glib::ObjectExt
]
GLib type: GObject with reference counted clone semantics.
Implementations§
source§impl ColumnViewSorter
impl ColumnViewSorter
sourcepub fn n_sort_columns(&self) -> u32
pub fn n_sort_columns(&self) -> u32
Returns the number of columns by which the sorter sorts.
If the sorter of the primary sort column does not determine a total order, then the secondary sorters are consulted to break the ties.
Use the changed
signal to get notified
when the number of sort columns changes.
§Returns
the number of sort columns
sourcepub fn nth_sort_column(
&self,
position: u32,
) -> (Option<ColumnViewColumn>, SortType)
pub fn nth_sort_column( &self, position: u32, ) -> (Option<ColumnViewColumn>, SortType)
sourcepub fn primary_sort_column(&self) -> Option<ColumnViewColumn>
pub fn primary_sort_column(&self) -> Option<ColumnViewColumn>
Returns the primary sort column.
The primary sort column is the one that displays the triangle in a column view header.
§Returns
the primary sort column
sourcepub fn primary_sort_order(&self) -> SortType
pub fn primary_sort_order(&self) -> SortType
Returns the primary sort order.
The primary sort order determines whether the triangle displayed in the column view header of the primary sort column points upwards or downwards.
If there is no primary sort column, then this function returns
GTK_SORT_ASCENDING
.
§Returns
the primary sort order
pub fn connect_primary_sort_column_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
pub fn connect_primary_sort_order_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
Trait Implementations§
source§impl Clone for ColumnViewSorter
impl Clone for ColumnViewSorter
source§impl Debug for ColumnViewSorter
impl Debug for ColumnViewSorter
source§impl HasParamSpec for ColumnViewSorter
impl HasParamSpec for ColumnViewSorter
type ParamSpec = ParamSpecObject
source§type SetValue = ColumnViewSorter
type SetValue = ColumnViewSorter
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, ColumnViewSorter>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for ColumnViewSorter
impl Hash for ColumnViewSorter
source§impl Ord for ColumnViewSorter
impl Ord for ColumnViewSorter
source§fn cmp(&self, other: &Self) -> Ordering
fn cmp(&self, other: &Self) -> Ordering
Comparison for two GObjects.
Compares the memory addresses of the provided objects.
1.21.0 · source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
source§impl ParentClassIs for ColumnViewSorter
impl ParentClassIs for ColumnViewSorter
source§impl<OT: ObjectType> PartialEq<OT> for ColumnViewSorter
impl<OT: ObjectType> PartialEq<OT> for ColumnViewSorter
source§impl<OT: ObjectType> PartialOrd<OT> for ColumnViewSorter
impl<OT: ObjectType> PartialOrd<OT> for ColumnViewSorter
source§impl StaticType for ColumnViewSorter
impl StaticType for ColumnViewSorter
source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for ColumnViewSorter
impl IsA<Sorter> for ColumnViewSorter
Auto Trait Implementations§
impl Freeze for ColumnViewSorter
impl RefUnwindSafe for ColumnViewSorter
impl !Send for ColumnViewSorter
impl !Sync for ColumnViewSorter
impl Unpin for ColumnViewSorter
impl UnwindSafe for ColumnViewSorter
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fn disconnect(&self, handler_id: SignalHandlerId)
source§fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
notify
signal of the object. Read moresource§fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
notify
signal of the object. Read moresource§unsafe fn connect_notify_unsafe<F>(
&self,
name: Option<&str>,
f: F,
) -> SignalHandlerId
unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F, ) -> SignalHandlerId
notify
signal of the object. Read more