pub struct EventController { /* private fields */ }
Expand description
EventController
is the base class for event controllers.
These are ancillary objects associated to widgets, which react
to GdkEvents
, and possibly trigger actions as a consequence.
Event controllers are added to a widget with
WidgetExt::add_controller()
. It is rarely necessary to
explicitly remove a controller with WidgetExt::remove_controller()
.
See the chapter on input handling for an overview of the basic concepts, such as the capture and bubble phases of event propagation.
This is an Abstract Base Class, you cannot instantiate it.
§Properties
§name
The name for this controller, typically used for debugging purposes.
Readable | Writeable
§propagation-limit
The limit for which events this controller will handle.
Readable | Writeable
§propagation-phase
The propagation phase at which this controller will handle events.
Readable | Writeable
§widget
The widget receiving the GdkEvents
that the controller will handle.
Readable
§Implements
EventControllerExt
, [trait@glib::ObjectExt
]
GLib type: GObject with reference counted clone semantics.
Implementations§
Source§impl EventController
impl EventController
pub const NONE: Option<&'static EventController> = None
Trait Implementations§
Source§impl Clone for EventController
impl Clone for EventController
Source§impl Debug for EventController
impl Debug for EventController
Source§impl HasParamSpec for EventController
impl HasParamSpec for EventController
type ParamSpec = ParamSpecObject
Source§type SetValue = EventController
type SetValue = EventController
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, EventController>
fn param_spec_builder() -> Self::BuilderFn
Source§impl Hash for EventController
impl Hash for EventController
Source§impl Ord for EventController
impl Ord for EventController
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 EventController
impl ParentClassIs for EventController
Source§impl<OT: ObjectType> PartialEq<OT> for EventController
impl<OT: ObjectType> PartialEq<OT> for EventController
Source§impl<OT: ObjectType> PartialOrd<OT> for EventController
impl<OT: ObjectType> PartialOrd<OT> for EventController
Source§impl StaticType for EventController
impl StaticType for EventController
Source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for EventController
impl IsA<EventController> for DragSource
impl IsA<EventController> for DropControllerMotion
impl IsA<EventController> for DropTarget
impl IsA<EventController> for DropTargetAsync
impl IsA<EventController> for EventControllerFocus
impl IsA<EventController> for EventControllerKey
impl IsA<EventController> for EventControllerLegacy
impl IsA<EventController> for EventControllerMotion
impl IsA<EventController> for EventControllerScroll
impl IsA<EventController> for Gesture
impl IsA<EventController> for GestureClick
impl IsA<EventController> for GestureDrag
impl IsA<EventController> for GestureLongPress
impl IsA<EventController> for GesturePan
impl IsA<EventController> for GestureRotate
impl IsA<EventController> for GestureSingle
impl IsA<EventController> for GestureStylus
impl IsA<EventController> for GestureSwipe
impl IsA<EventController> for GestureZoom
impl IsA<EventController> for PadController
impl IsA<EventController> for ShortcutController
Auto Trait Implementations§
impl Freeze for EventController
impl RefUnwindSafe for EventController
impl !Send for EventController
impl !Sync for EventController
impl Unpin for EventController
impl UnwindSafe for EventController
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)Source§impl<O> EventControllerExt for Owhere
O: IsA<EventController>,
impl<O> EventControllerExt for Owhere
O: IsA<EventController>,
Source§fn current_event(&self) -> Option<Event>
fn current_event(&self) -> Option<Event>
Source§fn current_event_device(&self) -> Option<Device>
fn current_event_device(&self) -> Option<Device>
Source§fn current_event_state(&self) -> ModifierType
fn current_event_state(&self) -> ModifierType
Source§fn current_event_time(&self) -> u32
fn current_event_time(&self) -> u32
Source§fn propagation_limit(&self) -> PropagationLimit
fn propagation_limit(&self) -> PropagationLimit
Source§fn propagation_phase(&self) -> PropagationPhase
fn propagation_phase(&self) -> PropagationPhase
Source§fn set_name(&self, name: Option<&str>)
fn set_name(&self, name: Option<&str>)
Source§fn set_propagation_limit(&self, limit: PropagationLimit)
fn set_propagation_limit(&self, limit: PropagationLimit)
Source§fn set_propagation_phase(&self, phase: PropagationPhase)
fn set_propagation_phase(&self, phase: PropagationPhase)
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fn connect_propagation_phase_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
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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