Use closures for Button::style

This commit is contained in:
Héctor Ramón Jiménez 2024-03-12 13:30:47 +01:00
parent 2088e5d661
commit 60b5822b67
No known key found for this signature in database
GPG key ID: 7CC46565708259A7
2 changed files with 17 additions and 14 deletions

View file

@ -56,7 +56,7 @@ where
height: Length, height: Length,
padding: Padding, padding: Padding,
clip: bool, clip: bool,
style: Style<Theme>, style: Style<'a, Theme>,
} }
impl<'a, Message, Theme, Renderer> Button<'a, Message, Theme, Renderer> impl<'a, Message, Theme, Renderer> Button<'a, Message, Theme, Renderer>
@ -68,7 +68,7 @@ where
content: impl Into<Element<'a, Message, Theme, Renderer>>, content: impl Into<Element<'a, Message, Theme, Renderer>>,
) -> Self ) -> Self
where where
Theme: DefaultStyle, Theme: DefaultStyle + 'a,
{ {
let content = content.into(); let content = content.into();
let size = content.as_widget().size_hint(); let size = content.as_widget().size_hint();
@ -80,7 +80,7 @@ where
height: size.height.fluid(), height: size.height.fluid(),
padding: DEFAULT_PADDING, padding: DEFAULT_PADDING,
clip: false, clip: false,
style: Theme::default_style(), style: Box::new(Theme::default_style),
} }
} }
@ -120,8 +120,11 @@ where
} }
/// Sets the style variant of this [`Button`]. /// Sets the style variant of this [`Button`].
pub fn style(mut self, style: fn(&Theme, Status) -> Appearance) -> Self { pub fn style(
self.style = style; mut self,
style: impl Fn(&Theme, Status) -> Appearance + 'a,
) -> Self {
self.style = Box::new(style);
self self
} }
@ -439,29 +442,29 @@ impl std::default::Default for Appearance {
} }
/// The style of a [`Button`]. /// The style of a [`Button`].
pub type Style<Theme> = fn(&Theme, Status) -> Appearance; pub type Style<'a, Theme> = Box<dyn Fn(&Theme, Status) -> Appearance + 'a>;
/// The default style of a [`Button`]. /// The default style of a [`Button`].
pub trait DefaultStyle { pub trait DefaultStyle {
/// Returns the default style of a [`Button`]. /// Returns the default style of a [`Button`].
fn default_style() -> Style<Self>; fn default_style(&self, status: Status) -> Appearance;
} }
impl DefaultStyle for Theme { impl DefaultStyle for Theme {
fn default_style() -> Style<Self> { fn default_style(&self, status: Status) -> Appearance {
primary primary(self, status)
} }
} }
impl DefaultStyle for Appearance { impl DefaultStyle for Appearance {
fn default_style() -> Style<Self> { fn default_style(&self, _status: Status) -> Appearance {
|appearance, _status| *appearance *self
} }
} }
impl DefaultStyle for Color { impl DefaultStyle for Color {
fn default_style() -> Style<Self> { fn default_style(&self, _status: Status) -> Appearance {
|color, _status| Appearance::default().with_background(*color) Appearance::default().with_background(*self)
} }
} }

View file

@ -117,7 +117,7 @@ pub fn button<'a, Message, Theme, Renderer>(
content: impl Into<Element<'a, Message, Theme, Renderer>>, content: impl Into<Element<'a, Message, Theme, Renderer>>,
) -> Button<'a, Message, Theme, Renderer> ) -> Button<'a, Message, Theme, Renderer>
where where
Theme: button::DefaultStyle, Theme: button::DefaultStyle + 'a,
Renderer: core::Renderer, Renderer: core::Renderer,
{ {
Button::new(content) Button::new(content)