Struct gio::IOExtensionPoint

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pub struct IOExtensionPoint(_);
Expand description

An extension point provides a mechanism to extend the functionality of a library or application. Each extension point is identified by a name, and it may optionally require that any implementation must be of a certain type. IOExtensionPoint is an opaque data structure and can only be accessed using the following functions.

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impl IOExtensionPoint

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pub fn builder(name: &str) -> IOExtensionPointBuilder<'_>

Create a new builder for an extension point.

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pub fn lookup(name: &str) -> Option<Self>

Looks up an existing extension point.

name

the name of the extension point

Returns

the IOExtensionPoint, or None if there is no registered extension point with the given name.

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pub fn extensions(&self) -> Vec<IOExtension>

Gets a list of all extensions that implement this extension point. The list is sorted by priority, beginning with the highest priority.

Returns

a GList of GIOExtensions. The list is owned by GIO and should not be modified.

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pub fn extension_by_name(&self, name: &str) -> Option<IOExtension>

Finds a IOExtension for an extension point by name.

name

the name of the extension to get

Returns

the IOExtension for self that has the given name, or None if there is no extension with that name

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pub fn required_type(&self) -> Type

Gets the required type for self.

Returns

the GType that all implementations must have, or G_TYPE_INVALID if the extension point has no required type

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pub fn implement( extension_point_name: &str, type_: Type, extension_name: &str, priority: i32 ) -> Option<IOExtension>

Registers type_ as extension for the extension point with name extension_point_name.

If type_ has already been registered as an extension for this extension point, the existing IOExtension object is returned.

extension_point_name

the name of the extension point

type_

the GType to register as extension

extension_name

the name for the extension

priority

the priority for the extension

Returns

a IOExtension object for GType

Trait Implementations§

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impl Clone for IOExtensionPoint

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fn clone(&self) -> IOExtensionPoint

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 IOExtensionPoint

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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 Display for IOExtensionPoint

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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 FromGlibPtrNone<*mut *mut _GIOExtensionPoint> for IOExtensionPoint

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unsafe fn from_glib_none(ptr: *mut GIOExtensionPoint) -> Self

Safety Read more
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impl PartialEq<IOExtensionPoint> for IOExtensionPoint

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fn eq(&self, other: &IOExtensionPoint) -> 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<'a> ToGlibPtr<'a, *mut *mut _GIOExtensionPoint> for &'a IOExtensionPoint

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type Storage = &'a IOExtensionPoint

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fn to_glib_none( &self ) -> Stash<'a, *mut GIOExtensionPoint, &'a IOExtensionPoint>

Transfer: none. Read more
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fn to_glib_container(&'a self) -> Stash<'a, P, Self>

Transfer: container. Read more
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fn to_glib_full(&self) -> P

Transfer: full. Read more
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impl Copy for IOExtensionPoint

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impl Eq for IOExtensionPoint

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impl StructuralEq for IOExtensionPoint

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impl StructuralPartialEq for IOExtensionPoint

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source§

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<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.