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Implement theme styling for Slider

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Héctor Ramón Jiménez 2022-05-26 00:40:27 +02:00
parent 03eda9b162
commit 3a820b45f3
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7 changed files with 118 additions and 91 deletions
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66
style/src/slider.rs
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@ -26,70 +26,14 @@ pub enum HandleShape {
/// A set of rules that dictate the style of a slider.
pub trait StyleSheet {
type Variant: Default + Copy;
/// Produces the style of an active slider.
fn active(&self) -> Style;
fn active(&self, variant: Self::Variant) -> Style;
/// Produces the style of an hovered slider.
fn hovered(&self) -> Style;
fn hovered(&self, variant: Self::Variant) -> Style;
/// Produces the style of a slider that is being dragged.
fn dragging(&self) -> Style;
}
struct Default;
impl StyleSheet for Default {
fn active(&self) -> Style {
Style {
rail_colors: ([0.6, 0.6, 0.6, 0.5].into(), Color::WHITE),
handle: Handle {
shape: HandleShape::Rectangle {
width: 8,
border_radius: 4.0,
},
color: Color::from_rgb(0.95, 0.95, 0.95),
border_color: Color::from_rgb(0.6, 0.6, 0.6),
border_width: 1.0,
},
}
}
fn hovered(&self) -> Style {
let active = self.active();
Style {
handle: Handle {
color: Color::from_rgb(0.90, 0.90, 0.90),
..active.handle
},
..active
}
}
fn dragging(&self) -> Style {
let active = self.active();
Style {
handle: Handle {
color: Color::from_rgb(0.85, 0.85, 0.85),
..active.handle
},
..active
}
}
}
impl<'a> std::default::Default for Box<dyn StyleSheet + 'a> {
fn default() -> Self {
Box::new(Default)
}
}
impl<'a, T> From<T> for Box<dyn StyleSheet + 'a>
where
T: StyleSheet + 'a,
{
fn from(style_sheet: T) -> Self {
Box::new(style_sheet)
}
fn dragging(&self, variant: Self::Variant) -> Style;
}