Struct gtk4::RecentManager

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#[repr(transparent)]
pub struct RecentManager { /* private fields */ }
Expand description

RecentManager manages and looks up recently used files.

Each recently used file is identified by its URI, and has meta-data associated to it, like the names and command lines of the applications that have registered it, the number of time each application has registered the same file, the mime type of the file and whether the file should be displayed only by the applications that have registered it.

The recently used files list is per user.

RecentManager acts like a database of all the recently used files. You can create new RecentManager objects, but it is more efficient to use the default manager created by GTK.

Adding a new recently used file is as simple as:

⚠️ The following code is in c ⚠️

GtkRecentManager *manager;

manager = gtk_recent_manager_get_default ();
gtk_recent_manager_add_item (manager, file_uri);

The RecentManager will try to gather all the needed information from the file itself through GIO.

Looking up the meta-data associated with a recently used file given its URI requires calling RecentManagerExt::lookup_item():

⚠️ The following code is in c ⚠️

GtkRecentManager *manager;
GtkRecentInfo *info;
GError *error = NULL;

manager = gtk_recent_manager_get_default ();
info = gtk_recent_manager_lookup_item (manager, file_uri, &error);
if (error)
  {
    g_warning ("Could not find the file: %s", error->message);
    g_error_free (error);
  }
else
 {
   // Use the info object
   gtk_recent_info_unref (info);
 }

In order to retrieve the list of recently used files, you can use RecentManagerExt::items(), which returns a list of RecentInfo.

Note that the maximum age of the recently used files list is controllable through the gtk-recent-files-max-age property.

Properties

filename

The full path to the file to be used to store and read the recently used resources list

Readable | Writeable | Construct Only

size

The size of the recently used resources list.

Readable

Signals

changed

Emitted when the current recently used resources manager changes its contents.

This can happen either by calling RecentManagerExt::add_item() or by another application.

Implements

RecentManagerExt, glib::ObjectExt

Implementations§

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impl RecentManager

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pub const NONE: Option<&'static RecentManager> = None

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pub fn new() -> RecentManager

Creates a new recent manager object.

Recent manager objects are used to handle the list of recently used resources. A RecentManager object monitors the recently used resources list, and emits the changed signal each time something inside the list changes.

RecentManager objects are expensive: be sure to create them only when needed. You should use default() instead.

Returns

A newly created RecentManager object

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pub fn default() -> RecentManager

Gets a unique instance of RecentManager that you can share in your application without caring about memory management.

Returns

A unique RecentManager. Do not ref or unref it.

Trait Implementations§

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impl Clone for RecentManager

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for RecentManager

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for RecentManager

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Display for RecentManager

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl HasParamSpec for RecentManager

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type ParamSpec = ParamSpecObject

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type SetValue = RecentManager

Preferred value to be used as setter for the associated ParamSpec.
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type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, RecentManager>

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fn param_spec_builder() -> Self::BuilderFn

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impl Hash for RecentManager

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fn hash<H>(&self, state: &mut H)where H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<T: RecentManagerImpl> IsSubclassable<T> for RecentManager

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fn class_init(class: &mut Class<Self>)

Override the virtual methods of this class for the given subclass and do other class initialization. Read more
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fn instance_init(instance: &mut InitializingObject<T>)

Instance specific initialization. Read more
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impl Ord for RecentManager

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fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval. Read more
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impl ParentClassIs for RecentManager

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impl<OT: ObjectType> PartialEq<OT> for RecentManager

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fn eq(&self, other: &OT) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<OT: ObjectType> PartialOrd<OT> for RecentManager

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fn partial_cmp(&self, other: &OT) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl StaticType for RecentManager

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Eq for RecentManager

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Immutably borrows from an owned value. Read more
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Tries to downcast to a subclass or interface implementor T. Read more
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Returns the argument unchanged.

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unsafe fn from_glib_full_num_as_vec( ptr: *mut GSList, num: usize ) -> Vec<T, Global>

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unsafe fn from_glib_full_as_vec(ptr: *mut GList) -> Vec<T, Global>

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unsafe fn from_glib_container_as_vec(ptr: *mut GPtrArray) -> Vec<T, Global>

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unsafe fn from_glib_full_as_vec(ptr: *mut GPtrArray) -> Vec<T, Global>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for Twhere T: GlibPtrDefault + FromGlibPtrNone<<T as GlibPtrDefault>::GlibType> + FromGlibPtrFull<<T as GlibPtrDefault>::GlibType>,

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unsafe fn from_glib_container_as_vec(ptr: *mut GSList) -> Vec<T, Global>

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unsafe fn from_glib_full_as_vec(ptr: *mut GSList) -> Vec<T, Global>

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<U> IsSubclassableExt for Uwhere U: IsClass + ParentClassIs,

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fn is<U>(&self) -> boolwhere U: StaticType,

Returns true if the object is an instance of (can be cast to) T.
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Returns the type of the object.
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Returns the ObjectClass of the object. Read more
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Returns the interface T of the object. Read more
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Sets the property property_name of the object to value value. Read more
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Sets the property property_name of the object to value value. Read more
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fn set_properties(&self, property_values: &[(&str, &dyn ToValue)])

Sets multiple properties of the object at once. Read more
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Sets multiple properties of the object at once. Read more
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Gets the property property_name of the object and cast it to the type V. Read more
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Gets the property property_name of the object. Read more
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Check if the object has a property property_name of the given type_. Read more
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Get the type of the property property_name of this object. Read more
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fn find_property(&self, property_name: &str) -> Option<ParamSpec>

Get the ParamSpec of the property property_name of this object.
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fn list_properties(&self) -> PtrSlice<ParamSpec>

Return all ParamSpec of the properties of this object.
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fn freeze_notify(&self) -> PropertyNotificationFreezeGuard

Freeze all property notifications until the return guard object is dropped. Read more
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unsafe fn set_qdata<QD>(&self, key: Quark, value: QD)where QD: 'static,

Set arbitrary data on this object with the given key. Read more
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unsafe fn qdata<QD>(&self, key: Quark) -> Option<NonNull<QD>>where QD: 'static,

Return previously set arbitrary data of this object with the given key. Read more
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Retrieve previously set arbitrary data of this object with the given key. Read more
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Set arbitrary data on this object with the given key. Read more
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Return previously set arbitrary data of this object with the given key. Read more
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Retrieve previously set arbitrary data of this object with the given key. Read more
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fn block_signal(&self, handler_id: &SignalHandlerId)

Block a given signal handler. Read more
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Unblock a given signal handler.
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Stop emission of the currently emitted signal.
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Stop emission of the currently emitted signal by the (possibly detailed) signal name.
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Connect to the signal signal_name on this object. Read more
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Connect to the signal signal_id on this object. Read more
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Connect to the signal signal_name on this object. Read more
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Connect to the signal signal_id on this object. Read more
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Connect to the signal signal_name on this object. Read more
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Connect to the signal signal_id on this object. Read more
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Connect a closure to the signal signal_name on this object. Read more
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Limits the lifetime of 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.
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Emit signal by signal id with details. Read more
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Emit signal by signal id with details. Read more
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fn disconnect(&self, handler_id: SignalHandlerId)

Disconnect a previously connected signal handler.
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fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + Send + Sync + 'static,

Connect to the notify signal of the object. Read more
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fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + 'static,

Connect to the notify signal of the object. Read more
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unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F ) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec),

Connect to the notify signal of the object. Read more
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fn notify(&self, property_name: &str)

Notify that the given property has changed its value. Read more
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Notify that the given property has changed its value. Read more
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Downgrade this object to a weak reference.
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Add a callback to be notified when the Object is disposed.
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fn bind_property<'f, 't, O, 'a>( &'a self, source_property: &'a str, target: &'a O, target_property: &'a str ) -> BindingBuilder<'a, 'f, 't>where O: ObjectType,

Bind property source_property on this object to the target_property on the target object. Read more
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Returns the strong reference count of this object.
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Runs the dispose mechanism of the object. Read more
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impl<T> Property for Twhere T: HasParamSpec,

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type Value = T

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Ensures that the type has been registered with the type system.
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The resulting type after obtaining ownership.
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Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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Performs the conversion.
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impl<Super, Sub> CanDowncast<Sub> for Superwhere Super: IsA<Super>, Sub: IsA<Super>,

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impl<'a, T, C, E> FromValueOptional<'a> for Twhere T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + 'static,