Trait NSToolbarItemValidation 

pub unsafe trait NSToolbarItemValidation: NSObjectProtocol + MainThreadOnly {
    // Provided method
    fn validateToolbarItem(&self, item: &NSToolbarItem) -> bool
       where Self: Sized + Message { ... }
}

Available on crate feature NSToolbarItem only.

Apple’s documentation

Provided Methods

fn validateToolbarItem(&self, item: &NSToolbarItem) -> bool

where Self: Sized + Message,

NSToolbarItemValidation extends the standard validation idea by introducing this new method which is sent to validators for each visible standard NSToolbarItem with a valid target/action pair. Note: This message is sent from NSToolbarItem’s validate method, however validate will not send this message for items that have custom views.

Trait Implementations

impl ProtocolType for dyn NSToolbarItemValidation

const NAME: &'static str = "NSToolbarItemValidation"

The name of the Objective-C protocol that this type represents.

fn protocol() -> Option<&'static AnyProtocol>

Get a reference to the Objective-C protocol object that this type represents.

impl<T> ImplementedBy<T> for dyn NSToolbarItemValidation

where T: ?Sized + Message + NSToolbarItemValidation,

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<T> NSToolbarItemValidation for ProtocolObject<T>

where T: ?Sized + NSToolbarItemValidation,

Implementors