gio

Struct MemoryInputStream

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pub struct MemoryInputStream { /* private fields */ }
Expand description

GMemoryInputStream is a class for using arbitrary memory chunks as input for GIO streaming input operations.

As of GLib 2.34, GMemoryInputStream implements PollableInputStream.

§Implements

MemoryInputStreamExt, InputStreamExt, [trait@glib::ObjectExt], PollableInputStreamExt, SeekableExt, InputStreamExtManual, PollableInputStreamExtManual

GLib type: GObject with reference counted clone semantics.

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impl MemoryInputStream

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

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pub fn new() -> MemoryInputStream

Creates a new empty #GMemoryInputStream.

§Returns

a new #GInputStream

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pub fn from_bytes(bytes: &Bytes) -> MemoryInputStream

Creates a new #GMemoryInputStream with data from the given @bytes.

§bytes

a #GBytes

§Returns

new #GInputStream read from @bytes

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impl Clone for MemoryInputStream

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fn clone(&self) -> Self

Makes a clone of this shared reference.

This increments the strong reference count of the object. Dropping the object will decrement it again.

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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 MemoryInputStream

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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 MemoryInputStream

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl HasParamSpec for MemoryInputStream

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type ParamSpec = ParamSpecObject

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type SetValue = MemoryInputStream

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

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fn param_spec_builder() -> Self::BuilderFn

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impl Hash for MemoryInputStream

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

Hashes the memory address of this object.

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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 Ord for MemoryInputStream

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

Comparison for two GObjects.

Compares the memory addresses of the provided objects.

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fn max(self, other: Self) -> Self
where Self: Sized,

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

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

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

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

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

Equality for two GObjects.

Two GObjects are equal if their memory addresses are equal.

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fn ne(&self, other: &Rhs) -> bool

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 MemoryInputStream

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

Partial comparison for two GObjects.

Compares the memory addresses of the provided objects.

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fn lt(&self, other: &Rhs) -> bool

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

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

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

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 MemoryInputStream

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Eq for MemoryInputStream

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impl IsA<InputStream> for MemoryInputStream

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impl IsA<PollableInputStream> for MemoryInputStream

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impl IsA<Seekable> for MemoryInputStream

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where 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 T
where T: ?Sized,

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fn borrow(&self) -> &T

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

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

Mutably borrows from an owned value. Read more
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impl<T> Cast for T
where T: ObjectType,

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fn upcast<T>(self) -> T
where T: ObjectType, Self: IsA<T>,

Upcasts an object to a superclass or interface T. Read more
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fn upcast_ref<T>(&self) -> &T
where T: ObjectType, Self: IsA<T>,

Upcasts an object to a reference of its superclass or interface T. Read more
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fn downcast<T>(self) -> Result<T, Self>
where T: ObjectType, Self: MayDowncastTo<T>,

Tries to downcast to a subclass or interface implementor T. Read more
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fn downcast_ref<T>(&self) -> Option<&T>
where T: ObjectType, Self: MayDowncastTo<T>,

Tries to downcast to a reference of its subclass or interface implementor T. Read more
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fn dynamic_cast<T>(self) -> Result<T, Self>
where T: ObjectType,

Tries to cast to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while upcast will do many checks at compile-time already. downcast will perform the same checks at runtime as dynamic_cast, but will also ensure some amount of compile-time safety. Read more
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fn dynamic_cast_ref<T>(&self) -> Option<&T>
where T: ObjectType,

Tries to cast to reference to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while downcast and upcast will do many checks at compile-time already. Read more
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unsafe fn unsafe_cast<T>(self) -> T
where T: ObjectType,

Casts to T unconditionally. Read more
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unsafe fn unsafe_cast_ref<T>(&self) -> &T
where T: ObjectType,

Casts to &T unconditionally. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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impl<O> InputStreamExt for O
where O: IsA<InputStream>,

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fn clear_pending(&self)

Clears the pending flag on @self.
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fn close( &self, cancellable: Option<&impl IsA<Cancellable>>, ) -> Result<(), Error>

Closes the stream, releasing resources related to it. Read more
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fn close_async<P: FnOnce(Result<(), Error>) + 'static>( &self, io_priority: Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P, )

Requests an asynchronous closes of the stream, releasing resources related to it. When the operation is finished @callback will be called. You can then call g_input_stream_close_finish() to get the result of the operation. Read more
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fn close_future( &self, io_priority: Priority, ) -> Pin<Box_<dyn Future<Output = Result<(), Error>> + 'static>>

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fn has_pending(&self) -> bool

Checks if an input stream has pending actions. Read more
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fn is_closed(&self) -> bool

Checks if an input stream is closed. Read more
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fn read_bytes( &self, count: usize, cancellable: Option<&impl IsA<Cancellable>>, ) -> Result<Bytes, Error>

Like g_input_stream_read(), this tries to read @count bytes from the stream in a blocking fashion. However, rather than reading into a user-supplied buffer, this will create a new #GBytes containing the data that was read. This may be easier to use from language bindings. Read more
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fn read_bytes_async<P: FnOnce(Result<Bytes, Error>) + 'static>( &self, count: usize, io_priority: Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P, )

Request an asynchronous read of @count bytes from the stream into a new #GBytes. When the operation is finished @callback will be called. You can then call g_input_stream_read_bytes_finish() to get the result of the operation. Read more
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fn read_bytes_future( &self, count: usize, io_priority: Priority, ) -> Pin<Box_<dyn Future<Output = Result<Bytes, Error>> + 'static>>

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fn set_pending(&self) -> Result<(), Error>

Sets @self to have actions pending. If the pending flag is already set or @self is closed, it will return false and set @error. Read more
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fn skip( &self, count: usize, cancellable: Option<&impl IsA<Cancellable>>, ) -> Result<isize, Error>

Tries to skip @count bytes from the stream. Will block during the operation. Read more
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fn skip_async<P: FnOnce(Result<isize, Error>) + 'static>( &self, count: usize, io_priority: Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P, )

Request an asynchronous skip of @count bytes from the stream. When the operation is finished @callback will be called. You can then call g_input_stream_skip_finish() to get the result of the operation. Read more
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fn skip_future( &self, count: usize, io_priority: Priority, ) -> Pin<Box_<dyn Future<Output = Result<isize, Error>> + 'static>>

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impl<O> InputStreamExtManual for O
where O: IsA<InputStream>,

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fn read<B: AsMut<[u8]>, C: IsA<Cancellable>>( &self, buffer: B, cancellable: Option<&C>, ) -> Result<usize, Error>

Tries to read @count bytes from the stream into the buffer starting at @buffer. Will block during this read. Read more
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fn read_all<B: AsMut<[u8]>, C: IsA<Cancellable>>( &self, buffer: B, cancellable: Option<&C>, ) -> Result<(usize, Option<Error>), Error>

Tries to read @count bytes from the stream into the buffer starting at @buffer. Will block during this read. Read more
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fn read_all_async<B: AsMut<[u8]> + Send + 'static, Q: FnOnce(Result<(B, usize, Option<Error>), (B, Error)>) + 'static, C: IsA<Cancellable>>( &self, buffer: B, io_priority: Priority, cancellable: Option<&C>, callback: Q, )

Request an asynchronous read of @count bytes from the stream into the buffer starting at @buffer. Read more
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fn read_async<B: AsMut<[u8]> + Send + 'static, Q: FnOnce(Result<(B, usize), (B, Error)>) + 'static, C: IsA<Cancellable>>( &self, buffer: B, io_priority: Priority, cancellable: Option<&C>, callback: Q, )

Request an asynchronous read of @count bytes from the stream into the buffer starting at @buffer. When the operation is finished @callback will be called. You can then call g_input_stream_read_finish() to get the result of the operation. Read more
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fn read_all_future<B: AsMut<[u8]> + Send + 'static>( &self, buffer: B, io_priority: Priority, ) -> Pin<Box<dyn Future<Output = Result<(B, usize, Option<Error>), (B, Error)>> + 'static>>

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fn read_future<B: AsMut<[u8]> + Send + 'static>( &self, buffer: B, io_priority: Priority, ) -> Pin<Box<dyn Future<Output = Result<(B, usize), (B, Error)>> + 'static>>

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fn into_read(self) -> InputStreamRead<Self>
where Self: IsA<InputStream>,

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fn into_async_buf_read( self, buffer_size: usize, ) -> InputStreamAsyncBufRead<Self>
where Self: IsA<InputStream>,

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impl<T, U> Into<U> for T
where 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<T> IntoClosureReturnValue for T
where T: Into<Value>,

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impl<U> IsSubclassableExt for U

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impl<O> MemoryInputStreamExt for O

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fn add_bytes(&self, bytes: &Bytes)

Appends @bytes to data that can be read from the input stream. Read more
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impl<T> ObjectExt for T
where T: ObjectType,

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

Returns true if the object is an instance of (can be cast to) T.
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fn type_(&self) -> Type

Returns the type of the object.
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fn object_class(&self) -> &Class<Object>

Returns the ObjectClass of the object. Read more
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fn class(&self) -> &Class<T>
where T: IsClass,

Returns the class of the object.
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fn class_of<U>(&self) -> Option<&Class<U>>
where U: IsClass,

Returns the class of the object in the given type T. Read more
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fn interface<U>(&self) -> Option<InterfaceRef<'_, U>>
where U: IsInterface,

Returns the interface T of the object. Read more
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fn set_property(&self, property_name: &str, value: impl Into<Value>)

Sets the property property_name of the object to value value. Read more
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fn set_property_from_value(&self, property_name: &str, value: &Value)

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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fn set_properties_from_value(&self, property_values: &[(&str, Value)])

Sets multiple properties of the object at once. Read more
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fn property<V>(&self, property_name: &str) -> V
where V: for<'b> FromValue<'b> + 'static,

Gets the property property_name of the object and cast it to the type V. Read more
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fn property_value(&self, property_name: &str) -> Value

Gets the property property_name of the object. Read more
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fn has_property(&self, property_name: &str) -> bool

Check if the object has a property property_name.
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fn has_property_with_type(&self, property_name: &str, type_: Type) -> bool

Check if the object has a property property_name of the given type_.
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fn property_type(&self, property_name: &str) -> Option<Type>

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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unsafe fn steal_qdata<QD>(&self, key: Quark) -> Option<QD>
where QD: 'static,

Retrieve previously set arbitrary data of this object with the given key. Read more
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unsafe fn set_data<QD>(&self, key: &str, value: QD)
where QD: 'static,

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

Return previously set arbitrary data of this object with the given key. Read more
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unsafe fn steal_data<QD>(&self, key: &str) -> Option<QD>
where QD: 'static,

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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fn unblock_signal(&self, handler_id: &SignalHandlerId)

Unblock a given signal handler.
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fn stop_signal_emission(&self, signal_id: SignalId, detail: Option<Quark>)

Stop emission of the currently emitted signal.
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fn stop_signal_emission_by_name(&self, signal_name: &str)

Stop emission of the currently emitted signal by the (possibly detailed) signal name.
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fn connect<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,

Connect to the signal signal_name on this object. Read more
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fn connect_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,

Connect to the signal signal_id on this object. Read more
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fn connect_local<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + 'static,

Connect to the signal signal_name on this object. Read more
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fn connect_local_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + 'static,

Connect to the signal signal_id on this object. Read more
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unsafe fn connect_unsafe<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value>,

Connect to the signal signal_name on this object. Read more
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unsafe fn connect_unsafe_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value>,

Connect to the signal signal_id on this object. Read more
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fn connect_closure( &self, signal_name: &str, after: bool, closure: RustClosure, ) -> SignalHandlerId

Connect a closure to the signal signal_name on this object. Read more
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fn connect_closure_id( &self, signal_id: SignalId, details: Option<Quark>, after: bool, closure: RustClosure, ) -> SignalHandlerId

Connect a closure to the signal signal_id on this object. Read more
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fn watch_closure(&self, closure: &impl AsRef<Closure>)

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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fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> R

Emit signal by signal id. Read more
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fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>

Same as Self::emit but takes Value for the arguments.
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fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> R

Emit signal by its name. Read more
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fn emit_by_name_with_values( &self, signal_name: &str, args: &[Value], ) -> Option<Value>

Emit signal by its name. Read more
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fn emit_by_name_with_details<R>( &self, signal_name: &str, details: Quark, args: &[&dyn ToValue], ) -> R

Emit signal by its name with details. Read more
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fn emit_by_name_with_details_and_values( &self, signal_name: &str, details: Quark, args: &[Value], ) -> Option<Value>

Emit signal by its name with details. Read more
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fn emit_with_details<R>( &self, signal_id: SignalId, details: Quark, args: &[&dyn ToValue], ) -> R

Emit signal by signal id with details. Read more
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fn emit_with_details_and_values( &self, signal_id: SignalId, details: Quark, args: &[Value], ) -> Option<Value>

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) -> SignalHandlerId
where 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) -> SignalHandlerId
where 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, ) -> SignalHandlerId
where 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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fn notify_by_pspec(&self, pspec: &ParamSpec)

Notify that the given property has changed its value. Read more
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fn downgrade(&self) -> WeakRef<T>

Downgrade this object to a weak reference.
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fn add_weak_ref_notify<F>(&self, f: F) -> WeakRefNotify<T>
where F: FnOnce() + Send + 'static,

Add a callback to be notified when the Object is disposed.
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fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>
where F: FnOnce() + 'static,

Add a callback to be notified when the Object is disposed. Read more
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fn bind_property<'a, 'f, 't, O>( &'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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fn ref_count(&self) -> u32

Returns the strong reference count of this object.
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unsafe fn run_dispose(&self)

Runs the dispose mechanism of the object. Read more
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impl<O> PollableInputStreamExt for O

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fn can_poll(&self) -> bool

Checks if @self is actually pollable. Some classes may implement #GPollableInputStream but have only certain instances of that class be pollable. If this method returns false, then the behavior of other #GPollableInputStream methods is undefined. Read more
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fn is_readable(&self) -> bool

Checks if @self can be read. Read more
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impl<O> PollableInputStreamExtManual for O

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fn create_source<F, C>( &self, cancellable: Option<&C>, name: Option<&str>, priority: Priority, func: F, ) -> Source
where F: FnMut(&Self) -> ControlFlow + 'static, C: IsA<Cancellable>,

Creates a #GSource that triggers when @self can be read, or @cancellable is triggered or an error occurs. The callback on the source is of the #GPollableSourceFunc type. Read more
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fn create_source_future<C: IsA<Cancellable>>( &self, cancellable: Option<&C>, priority: Priority, ) -> Pin<Box<dyn Future<Output = ()> + 'static>>

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fn create_source_stream<C: IsA<Cancellable>>( &self, cancellable: Option<&C>, priority: Priority, ) -> Pin<Box<dyn Stream<Item = ()> + 'static>>

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fn read_nonblocking<C: IsA<Cancellable>>( &self, buffer: &mut [u8], cancellable: Option<&C>, ) -> Result<isize, Error>

Attempts to read up to @count bytes from @self into @buffer, as with g_input_stream_read(). If @self is not currently readable, this will immediately return IOErrorEnum::WouldBlock, and you can use g_pollable_input_stream_create_source() to create a #GSource that will be triggered when @self is readable. Read more
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fn into_async_read(self) -> Result<InputStreamAsyncRead<Self>, Self>
where Self: IsA<PollableInputStream>,

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impl<T> Property for T
where T: HasParamSpec,

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type Value = T

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impl<T> PropertyGet for T
where T: HasParamSpec,

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type Value = T

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fn get<R, F>(&self, f: F) -> R
where F: Fn(&<T as PropertyGet>::Value) -> R,

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impl<O> SeekableExt for O
where O: IsA<Seekable>,

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fn can_seek(&self) -> bool

Tests if the stream supports the #GSeekableIface. Read more
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fn can_truncate(&self) -> bool

Tests if the length of the stream can be adjusted with g_seekable_truncate(). Read more
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fn seek( &self, offset: i64, type_: SeekType, cancellable: Option<&impl IsA<Cancellable>>, ) -> Result<(), Error>

Seeks in the stream by the given @offset, modified by @type_. Read more
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fn tell(&self) -> i64

Tells the current position within the stream. Read more
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fn truncate( &self, offset: i64, cancellable: Option<&impl IsA<Cancellable>>, ) -> Result<(), Error>

Sets the length of the stream to @offset. If the stream was previously larger than @offset, the extra data is discarded. If the stream was previously shorter than @offset, it is extended with NUL (‘\0’) bytes. Read more
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impl<T> StaticTypeExt for T
where T: StaticType,

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fn ensure_type()

Ensures that the type has been registered with the type system.
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impl<T> ToOwned for T
where 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> TransparentType for T

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T> TryFromClosureReturnValue for T
where T: for<'a> FromValue<'a> + StaticType + 'static,

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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

Performs the conversion.
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impl<'a, T, C, E> FromValueOptional<'a> for T
where T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + 'static,

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impl<Super, Sub> MayDowncastTo<Sub> for Super
where Super: IsA<Super>, Sub: IsA<Super>,