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Try using closures for Container::style

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`Box` should not allocate for zero-sized types; so
we should not be incurring much overhead. Just a
bit of indirection.
This commit is contained in:
Héctor Ramón Jiménez 2024-03-12 13:25:06 +01:00
parent 34317bba5d
commit 2088e5d661
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GPG key ID: 7CC46565708259A7
5 changed files with 43 additions and 39 deletions
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15
widget/src/tooltip.rs
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@ -28,7 +28,7 @@ pub struct Tooltip<
gap: f32,
padding: f32,
snap_within_viewport: bool,
style: container::Style<Theme>,
style: container::Style<'a, Theme>,
}
impl<'a, Message, Theme, Renderer> Tooltip<'a, Message, Theme, Renderer>
@ -47,7 +47,7 @@ where
position: Position,
) -> Self
where
Theme: container::DefaultStyle,
Theme: container::DefaultStyle + 'a,
{
Tooltip {
content: content.into(),
@ -56,7 +56,7 @@ where
gap: 0.0,
padding: Self::DEFAULT_PADDING,
snap_within_viewport: true,
style: Theme::default_style(),
style: Box::new(Theme::default_style),
}
}
@ -81,9 +81,9 @@ where
/// Sets the style of the [`Tooltip`].
pub fn style(
mut self,
style: fn(&Theme, container::Status) -> container::Appearance,
style: impl Fn(&Theme, container::Status) -> container::Appearance + 'a,
) -> Self {
self.style = style.into();
self.style = Box::new(style);
self
}
}
@ -239,7 +239,7 @@ where
positioning: self.position,
gap: self.gap,
padding: self.padding,
style: self.style,
style: &self.style,
})))
} else {
None
@ -309,7 +309,8 @@ where
positioning: Position,
gap: f32,
padding: f32,
style: container::Style<Theme>,
style:
&'b (dyn Fn(&Theme, container::Status) -> container::Appearance + 'a),
}
impl<'a, 'b, Message, Theme, Renderer>