zng_ext_window

Struct WindowCloseRequestedArgs

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pub struct WindowCloseRequestedArgs {
    pub timestamp: DInstant,
    pub windows: IdSet<WindowId>,
    /* private fields */
}
Expand description

WINDOW_CLOSE_REQUESTED_EVENT args.

Requesting propagation().stop() on this event cancels the window close.

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§timestamp: DInstant

Instant the event happened.

§windows: IdSet<WindowId>

Windows closing, headed and headless.

This is at least one window, is multiple if the close operation was requested as group, cancelling the request cancels close for all windows.

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impl WindowCloseRequestedArgs

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pub fn new( timestamp: impl Into<DInstant>, propagation_handle: EventPropagationHandle, windows: impl Into<IdSet<WindowId>>, ) -> Self

New args from values that convert into the argument types.

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pub fn now(windows: impl Into<IdSet<WindowId>>) -> Self

Arguments for event that happened now (INSTANT.now).

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impl WindowCloseRequestedArgs

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pub fn headed(&self) -> impl Iterator<Item = WindowId> + '_

Gets only headed windows that will close.

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pub fn headless(&self) -> impl Iterator<Item = WindowId> + '_

Gets only headless windows that will close.

Trait Implementations§

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impl AnyEventArgs for WindowCloseRequestedArgs

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fn delivery_list(&self, list: &mut UpdateDeliveryList)

Broadcast to all widgets.

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fn clone_any(&self) -> Box<dyn AnyEventArgs>

Clone the event into a type erased box.
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fn as_any(&self) -> &dyn Any

Access to dyn Any methods.
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fn timestamp(&self) -> DInstant

Gets the instant this event happened.
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fn propagation(&self) -> &EventPropagationHandle

Propagation handle associated with this event instance. Read more
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impl Clone for WindowCloseRequestedArgs

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fn clone(&self) -> WindowCloseRequestedArgs

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for WindowCloseRequestedArgs

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl EventArgs for WindowCloseRequestedArgs

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fn handle<F, R>(&self, handler: F) -> Option<R>
where F: FnOnce(&Self) -> R,

Calls handler and stops propagation if propagation is still allowed. Read more

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