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EventControllerRef Structure Reference
EventControllerRef
public struct EventControllerRef : EventControllerProtocol, GWeakCapturingGtkEventController 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
[methodGtk.Widget.add_controller]. It is rarely necessary to
explicitly remove a controller with [methodGtk.Widget.remove_controller].
See the chapter on input handling for an overview of the basic concepts, such as the capture and bubble phases of even propagation.
The EventControllerRef type acts as a lightweight Swift reference to an underlying GtkEventController instance.
It exposes methods that can operate on this data type through EventControllerProtocol conformance.
Use EventControllerRef only as an unowned reference to an existing GtkEventController instance.
-
Untyped pointer to the underlying `GtkEventController` instance.For type-safe access, use the generated, typed pointer
event_controller_ptrproperty instead.Declaration
Swift
public let ptr: UnsafeMutableRawPointer!
-
Designated initialiser from the underlying
Cdata typeDeclaration
Swift
@inlinable init(_ p: UnsafeMutablePointer<GtkEventController>) -
Designated initialiser from a constant pointer to the underlying
Cdata typeDeclaration
Swift
@inlinable init(_ p: UnsafePointer<GtkEventController>) -
Conditional initialiser from an optional pointer to the underlying
Cdata typeDeclaration
Swift
@inlinable init!(_ maybePointer: UnsafeMutablePointer<GtkEventController>?) -
Conditional initialiser from an optional, non-mutable pointer to the underlying
Cdata typeDeclaration
Swift
@inlinable init!(_ maybePointer: UnsafePointer<GtkEventController>?) -
Conditional initialiser from an optional
gpointerDeclaration
Swift
@inlinable init!(gpointer g: gpointer?) -
Conditional initialiser from an optional, non-mutable
gconstpointerDeclaration
Swift
@inlinable init!(gconstpointer g: gconstpointer?) -
Reference intialiser for a related type that implements
EventControllerProtocolDeclaration
Swift
@inlinable init<T>(_ other: T) where T : EventControllerProtocol -
This factory is syntactic sugar for setting weak pointers wrapped in
GWeak<T>Declaration
Swift
@inlinable static func unowned<T>(_ other: T) -> EventControllerRef where T : EventControllerProtocol -
Unsafe typed initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
EventControllerProtocol.Declaration
Swift
@inlinable init<T>(cPointer: UnsafeMutablePointer<T>) -
Unsafe typed initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
EventControllerProtocol.Declaration
Swift
@inlinable init<T>(constPointer: UnsafePointer<T>) -
Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
EventControllerProtocol.Declaration
Swift
@inlinable init(mutating raw: UnsafeRawPointer) -
Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
EventControllerProtocol.Declaration
Swift
@inlinable init(raw: UnsafeMutableRawPointer) -
Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
EventControllerProtocol.Declaration
Swift
@inlinable init(opaquePointer: OpaquePointer)