Struct gtk4::ColumnViewSorter
source · #[repr(transparent)]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
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)
Gets the @position’th sort column and its associated sort order.
Use the changed
signal to get notified
when sort columns change.
position
the position of the sort column to retrieve (0 for the primary sort column)
Returns
the @positions sort column
sort_order
return location for the sort order
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 Display for ColumnViewSorter
impl Display for ColumnViewSorter
source§impl HasParamSpec for ColumnViewSorter
impl HasParamSpec for ColumnViewSorter
type ParamSpec = ParamSpecObject
§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§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
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read moresource§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 RefUnwindSafe for ColumnViewSorter
impl !Send for ColumnViewSorter
impl !Sync for ColumnViewSorter
impl Unpin for ColumnViewSorter
impl UnwindSafe for ColumnViewSorter
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