#[repr(transparent)]pub struct Device { /* private fields */ }
Expand description
Device
are objects representing a device, they contain
relevant metadata about the device, such as its class and the Caps
representing the media types it can produce or handle.
Device
are created by DeviceProvider
objects which can be
aggregated by DeviceMonitor
objects.
This is an Abstract Base Class, you cannot instantiate it.
Properties
caps
Readable | Writeable | Construct Only
device-class
Readable | Writeable | Construct Only
display-name
Readable | Writeable | Construct Only
properties
Readable | Writeable | Construct Only
Object
name
Readable | Writeable | Construct
parent
The parent of the object. Please note, that when changing the ‘parent’
property, we don’t emit notify
and deep-notify
signals due to locking issues. In some cases one can use
element-added
or element-removed
signals on the parent to
achieve a similar effect.
Readable | Writeable
Signals
removed
Object
deep-notify
The deep notify signal is used to be notified of property changes. It is typically attached to the toplevel bin to receive notifications from all the elements contained in that bin.
Detailed
Implements
Implementations§
Trait Implementations§
source§impl HasParamSpec for Device
impl HasParamSpec for Device
source§impl<T: DeviceImpl> IsSubclassable<T> for Device
impl<T: DeviceImpl> IsSubclassable<T> for Device
source§fn class_init(klass: &mut Class<Self>)
fn class_init(klass: &mut Class<Self>)
source§fn instance_init(instance: &mut InitializingObject<T>)
fn instance_init(instance: &mut InitializingObject<T>)
source§impl Ord for Device
impl Ord for Device
source§impl<OT: ObjectType> PartialEq<OT> for Device
impl<OT: ObjectType> PartialEq<OT> for Device
source§impl<OT: ObjectType> PartialOrd<OT> for Device
impl<OT: ObjectType> PartialOrd<OT> for Device
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 Device
impl StaticType for Device
source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for Device
impl IsA<Object> for Device
impl Send for Device
impl Sync for Device
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unconditionally. Read moresource§impl<O> DeviceExt for Owhere
O: IsA<Device>,
impl<O> DeviceExt for Owhere O: IsA<Device>,
source§fn create_element(&self, name: Option<&str>) -> Result<Element, BoolError>
fn create_element(&self, name: Option<&str>) -> Result<Element, BoolError>
source§fn device_class(&self) -> GString
fn device_class(&self) -> GString
DeviceProvider
that produced this device. Read moresource§fn display_name(&self) -> GString
fn display_name(&self) -> GString
source§fn has_classes(&self, classes: &str) -> bool
fn has_classes(&self, classes: &str) -> bool
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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) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
notify
signal of the object. Read moresource§fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + 'static,
fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + 'static,
notify
signal of the object. Read moresource§unsafe fn connect_notify_unsafe<F>(
&self,
name: Option<&str>,
f: F
) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec),
unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F ) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec),
notify
signal of the object. Read moresource§fn notify(&self, property_name: &str)
fn notify(&self, property_name: &str)
source§fn notify_by_pspec(&self, pspec: &ParamSpec)
fn notify_by_pspec(&self, pspec: &ParamSpec)
source§fn add_weak_ref_notify<F>(&self, f: F) -> WeakRefNotify<T>where
F: FnOnce() + Send + 'static,
fn add_weak_ref_notify<F>(&self, f: F) -> WeakRefNotify<T>where F: FnOnce() + Send + 'static,
source§fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>where
F: FnOnce() + 'static,
fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>where F: FnOnce() + 'static,
source§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,
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,
source§unsafe fn run_dispose(&self)
unsafe fn run_dispose(&self)
source§impl<T> PropertyGet for Twhere
T: HasParamSpec,
impl<T> PropertyGet for Twhere T: HasParamSpec,
source§impl<T> StaticTypeExt for Twhere
T: StaticType,
impl<T> StaticTypeExt for Twhere T: StaticType,
source§fn ensure_type()
fn ensure_type()
source§impl<T> ToSendValue for Twhere
T: Send + ToValue + ?Sized,
impl<T> ToSendValue for Twhere T: Send + ToValue + ?Sized,
source§fn to_send_value(&self) -> SendValue
fn to_send_value(&self) -> SendValue
SendValue
clone of self
.