Enum InvalidationCause

pub enum InvalidationCause {
    None,
    Forced,
    StateChange(WidgetId),
    MessageReceived(WidgetId),
    AnimationInProgress(WidgetId),
}

Indicates the reason that an Application state was invalidated and had to be re-rendered

You can get the last invalidation cause of an application using last_invalidation_cause

Variants

None

Application not invalidated

Forced

Application update was forced by calling mark_dirty

StateChange(WidgetId)

A widget’s state changed

MessageReceived(WidgetId)

A message was sent to a widget

AnimationInProgress(WidgetId)

An animation is in progress for a widget

Trait Implementations

impl Clone for InvalidationCause

fn clone(&self) -> InvalidationCause

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for InvalidationCause

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

Formats the value using the given formatter.

impl Default for InvalidationCause

fn default() -> InvalidationCause

Returns the “default value” for a type.