Module zng_app::event

App event and commands API.

Re-exports

• pub use command;
• pub use command;

Macros

• command
  Declares new Command static items.
• event
  Declares new Event<A> static items.
• event_args
  Declares new EventArgs types.

Structs

• AnyEvent
  Represents an Event without the args type.
• AppCommandArgs
  Arguments for Command::on_event.
• AppDisconnected
  Error when the app connected to a sender/receiver channel has disconnected.
• Command
  Identifies a command event.
• CommandArgs
  Event args for command events.
• CommandHandle
  A handle to a Command subscription.
• CommandMeta
  Access to metadata of a command.
• CommandMetaVarId
  Unique identifier of a command metadata state variable.
• CommandParam
  Represents a reference counted dyn Any object parameter for a command request.
• EVENTS
  App events and commands service.
• Event
  Represents an event.
• EventHandle
  Represents an event widget subscription, handler callback or hook.
• EventHandles
  Represents a collection of event handles.
• EventPropagationHandle
  Event propagation handle associated with one or multiple EventArgs.
• EventReceiver
  An event channel receiver.
• EventSender
  An event update sender that can be used from any thread and without access to EVENTS.

Enums

• CommandScope
  Represents the scope of a Command.
• TimeoutOrAppDisconnected
  Error when the app connected to a sender channel has disconnected or taken to long to respond.

Traits

• AnyEventArgs
  Methods of EventArgs that are object safe.
• CommandInfoExt
  Adds the info command metadata.
• CommandNameExt
  Adds the name command metadata.
• EventArgs
  Event<A> arguments.

Type Aliases

• CommandMetaVar
  Read-write command metadata variable.
• ReadOnlyCommandMetaVar
  Read-only command metadata variable.