pub struct TreeSelection { /* private fields */ }
Expand description
Use SelectionModel
instead
The selection object for GtkTreeView
The TreeSelection
object is a helper object to manage the selection
for a TreeView
widget. The TreeSelection
object is
automatically created when a new TreeView
widget is created, and
cannot exist independently of this widget. The primary reason the
TreeSelection
objects exists is for cleanliness of code and API.
That is, there is no conceptual reason all these functions could not be
methods on the TreeView
widget instead of a separate function.
The TreeSelection
object is gotten from a TreeView
by calling
gtk_tree_view_get_selection(). It can be manipulated to check the
selection status of the tree, as well as select and deselect individual
rows. Selection is done completely view side. As a result, multiple
views of the same model can have completely different selections.
Additionally, you cannot change the selection of a row on the model that
is not currently displayed by the view without expanding its parents
first.
One of the important things to remember when monitoring the selection of
a view is that the TreeSelection
::changed signal is mostly a hint.
That is, it may only emit one signal when a range of rows is selected.
Additionally, it may on occasion emit a TreeSelection
::changed signal
when nothing has happened (mostly as a result of programmers calling
select_row on an already selected row).
§Properties
§mode
Selection mode. See gtk_tree_selection_set_mode() for more information on this property.
Readable | Writeable
§Signals
§changed
Emitted whenever the selection has (possibly) changed. Please note that this signal is mostly a hint. It may only be emitted once when a range of rows are selected, and it may occasionally be emitted when nothing has happened.
§Implements
[trait@glib::ObjectExt
]
GLib type: GObject with reference counted clone semantics.
Implementations§
source§impl TreeSelection
impl TreeSelection
sourcepub fn count_selected_rows(&self) -> i32
👎Deprecated: Since 4.10
pub fn count_selected_rows(&self) -> i32
sourcepub fn mode(&self) -> SelectionMode
👎Deprecated: Since 4.10
pub fn mode(&self) -> SelectionMode
sourcepub fn selected(&self) -> Option<(TreeModel, TreeIter)>
👎Deprecated: Since 4.10
pub fn selected(&self) -> Option<(TreeModel, TreeIter)>
Sets @iter to the currently selected node if @self is set to
SelectionMode::Single
or SelectionMode::Browse
. @iter may be NULL if you
just want to test if @self has any selected nodes. @model is filled
with the current model as a convenience. This function will not work if you
use @self is SelectionMode::Multiple
.
§Deprecated since 4.10
Use GtkListView or GtkColumnView
§Returns
TRUE, if there is a selected node.
§model
A pointer to set to the TreeModel
§iter
The TreeIter
sourcepub fn selected_rows(&self) -> (Vec<TreePath>, TreeModel)
👎Deprecated: Since 4.10
pub fn selected_rows(&self) -> (Vec<TreePath>, TreeModel)
Creates a list of path of all selected rows. Additionally, if you are
planning on modifying the model after calling this function, you may
want to convert the returned list into a list of TreeRowReference
s.
To do this, you can use gtk_tree_row_reference_new().
To free the return value, use:
⚠️ The following code is in C ⚠️
g_list_free_full (list, (GDestroyNotify) gtk_tree_path_free);
§Deprecated since 4.10
Use GtkListView or GtkColumnView
§Returns
A GList
containing a TreePath
for each selected row.
§model
A pointer to set to the TreeModel
sourcepub fn iter_is_selected(&self, iter: &TreeIter) -> bool
👎Deprecated: Since 4.10
pub fn iter_is_selected(&self, iter: &TreeIter) -> bool
sourcepub fn path_is_selected(&self, path: &TreePath) -> bool
👎Deprecated: Since 4.10
pub fn path_is_selected(&self, path: &TreePath) -> bool
sourcepub fn select_all(&self)
👎Deprecated: Since 4.10
pub fn select_all(&self)
Selects all the nodes. @self must be set to SelectionMode::Multiple
mode.
§Deprecated since 4.10
Use GtkListView or GtkColumnView
sourcepub fn select_iter(&self, iter: &TreeIter)
👎Deprecated: Since 4.10
pub fn select_iter(&self, iter: &TreeIter)
sourcepub fn select_path(&self, path: &TreePath)
👎Deprecated: Since 4.10
pub fn select_path(&self, path: &TreePath)
sourcepub fn select_range(&self, start_path: &TreePath, end_path: &TreePath)
👎Deprecated: Since 4.10
pub fn select_range(&self, start_path: &TreePath, end_path: &TreePath)
Selects a range of nodes, determined by @start_path and @end_path inclusive.
@self must be set to SelectionMode::Multiple
mode.
§Deprecated since 4.10
Use GtkListView or GtkColumnView
§start_path
The initial node of the range.
§end_path
The final node of the range.
sourcepub fn selected_foreach<P: FnMut(&TreeModel, &TreePath, &TreeIter)>(
&self,
func: P,
)
👎Deprecated: Since 4.10
pub fn selected_foreach<P: FnMut(&TreeModel, &TreePath, &TreeIter)>( &self, func: P, )
sourcepub fn set_mode(&self, type_: SelectionMode)
👎Deprecated: Since 4.10
pub fn set_mode(&self, type_: SelectionMode)
Sets the selection mode of the @self. If the previous type was
SelectionMode::Multiple
, then the anchor is kept selected, if it was
previously selected.
§Deprecated since 4.10
Use GtkListView or GtkColumnView
§type_
The selection mode
sourcepub fn set_select_function<P: Fn(&TreeSelection, &TreeModel, &TreePath, bool) -> bool + 'static>(
&self,
func: P,
)
👎Deprecated: Since 4.10
pub fn set_select_function<P: Fn(&TreeSelection, &TreeModel, &TreePath, bool) -> bool + 'static>( &self, func: P, )
Sets the selection function.
If set, this function is called before any node is selected or unselected,
giving some control over which nodes are selected. The select function
should return true
if the state of the node may be toggled, and false
if the state of the node should be left unchanged.
§Deprecated since 4.10
Use GtkListView or GtkColumnView
§func
The selection function. May be None
sourcepub fn unselect_all(&self)
👎Deprecated: Since 4.10
pub fn unselect_all(&self)
sourcepub fn unselect_iter(&self, iter: &TreeIter)
👎Deprecated: Since 4.10
pub fn unselect_iter(&self, iter: &TreeIter)
sourcepub fn unselect_path(&self, path: &TreePath)
👎Deprecated: Since 4.10
pub fn unselect_path(&self, path: &TreePath)
sourcepub fn unselect_range(&self, start_path: &TreePath, end_path: &TreePath)
👎Deprecated: Since 4.10
pub fn unselect_range(&self, start_path: &TreePath, end_path: &TreePath)
sourcepub fn connect_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
👎Deprecated: Since 4.10
pub fn connect_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
Emitted whenever the selection has (possibly) changed. Please note that this signal is mostly a hint. It may only be emitted once when a range of rows are selected, and it may occasionally be emitted when nothing has happened.
pub fn connect_mode_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
source§impl TreeSelection
impl TreeSelection
pub fn unset_select_function(&self)
Trait Implementations§
source§impl Clone for TreeSelection
impl Clone for TreeSelection
source§impl Debug for TreeSelection
impl Debug for TreeSelection
source§impl HasParamSpec for TreeSelection
impl HasParamSpec for TreeSelection
type ParamSpec = ParamSpecObject
source§type SetValue = TreeSelection
type SetValue = TreeSelection
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, TreeSelection>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for TreeSelection
impl Hash for TreeSelection
source§impl Ord for TreeSelection
impl Ord for TreeSelection
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 TreeSelection
impl ParentClassIs for TreeSelection
source§impl<OT: ObjectType> PartialEq<OT> for TreeSelection
impl<OT: ObjectType> PartialEq<OT> for TreeSelection
source§impl<OT: ObjectType> PartialOrd<OT> for TreeSelection
impl<OT: ObjectType> PartialOrd<OT> for TreeSelection
source§impl StaticType for TreeSelection
impl StaticType for TreeSelection
source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for TreeSelection
Auto Trait Implementations§
impl Freeze for TreeSelection
impl RefUnwindSafe for TreeSelection
impl !Send for TreeSelection
impl !Sync for TreeSelection
impl Unpin for TreeSelection
impl UnwindSafe for TreeSelection
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callback: F,
) -> SignalHandlerId
unsafe fn connect_unsafe_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
signal_id
on this object. Read moresource§fn connect_closure(
&self,
signal_name: &str,
after: bool,
closure: RustClosure,
) -> SignalHandlerId
fn connect_closure( &self, signal_name: &str, after: bool, closure: RustClosure, ) -> SignalHandlerId
signal_name
on this object. Read moresource§fn connect_closure_id(
&self,
signal_id: SignalId,
details: Option<Quark>,
after: bool,
closure: RustClosure,
) -> SignalHandlerId
fn connect_closure_id( &self, signal_id: SignalId, details: Option<Quark>, after: bool, closure: RustClosure, ) -> SignalHandlerId
signal_id
on this object. Read moresource§fn watch_closure(&self, closure: &impl AsRef<Closure>)
fn watch_closure(&self, closure: &impl AsRef<Closure>)
closure
to the lifetime of the object. When
the object’s reference count drops to zero, the closure will be
invalidated. An invalidated closure will ignore any calls to
invoke_with_values
, or
invoke
when using Rust closures.source§fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> Rwhere
R: TryFromClosureReturnValue,
fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> Rwhere
R: TryFromClosureReturnValue,
source§fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>
fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>
Self::emit
but takes Value
for the arguments.source§fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> Rwhere
R: TryFromClosureReturnValue,
source§fn emit_by_name_with_values(
&self,
signal_name: &str,
args: &[Value],
) -> Option<Value>
fn emit_by_name_with_values( &self, signal_name: &str, args: &[Value], ) -> Option<Value>
source§fn emit_by_name_with_details<R>(
&self,
signal_name: &str,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_by_name_with_details<R>(
&self,
signal_name: &str,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
source§fn emit_by_name_with_details_and_values(
&self,
signal_name: &str,
details: Quark,
args: &[Value],
) -> Option<Value>
fn emit_by_name_with_details_and_values( &self, signal_name: &str, details: Quark, args: &[Value], ) -> Option<Value>
source§fn emit_with_details<R>(
&self,
signal_id: SignalId,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_with_details<R>(
&self,
signal_id: SignalId,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
source§fn emit_with_details_and_values(
&self,
signal_id: SignalId,
details: Quark,
args: &[Value],
) -> Option<Value>
fn emit_with_details_and_values( &self, signal_id: SignalId, details: Quark, args: &[Value], ) -> Option<Value>
source§fn disconnect(&self, handler_id: SignalHandlerId)
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