zng::widget

Enum WidgetUpdateMode

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pub enum WidgetUpdateMode {
    Ignore,
    Bubble,
}
Expand description

Defines how widget update requests inside WIDGET::with_context are handled.

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Ignore

All updates flagged during the closure call are discarded, previous pending requests are retained.

This mode is used by UiNodeOp::Measure.

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Bubble

All updates flagged after the closure call are retained and propagate to the parent widget flags.

This is the mode is used for all UiNodeOp delegation, except measure.

Trait Implementations§

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impl Clone for WidgetUpdateMode

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fn clone(&self) -> WidgetUpdateMode

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 WidgetUpdateMode

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

Formats the value using the given formatter. Read more
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impl PartialEq for WidgetUpdateMode

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fn eq(&self, other: &WidgetUpdateMode) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for WidgetUpdateMode

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impl Eq for WidgetUpdateMode

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impl StructuralPartialEq for WidgetUpdateMode

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