diff options
Diffstat (limited to 'style/src/scrollable.rs')
-rw-r--r-- | style/src/scrollable.rs | 51 |
1 files changed, 6 insertions, 45 deletions
diff --git a/style/src/scrollable.rs b/style/src/scrollable.rs index 748ba888..8da7409c 100644 --- a/style/src/scrollable.rs +++ b/style/src/scrollable.rs @@ -22,55 +22,16 @@ pub struct Scroller { /// A set of rules that dictate the style of a scrollable. pub trait StyleSheet { + type Style: Default + Copy; + /// Produces the style of an active scrollbar. - fn active(&self) -> Scrollbar; + fn active(&self, style: Self::Style) -> Scrollbar; /// Produces the style of an hovered scrollbar. - fn hovered(&self) -> Scrollbar; + fn hovered(&self, style: Self::Style) -> Scrollbar; /// Produces the style of a scrollbar that is being dragged. - fn dragging(&self) -> Scrollbar { - self.hovered() - } -} - -struct Default; - -impl StyleSheet for Default { - fn active(&self) -> Scrollbar { - Scrollbar { - background: None, - border_radius: 5.0, - border_width: 0.0, - border_color: Color::TRANSPARENT, - scroller: Scroller { - color: [0.0, 0.0, 0.0, 0.7].into(), - border_radius: 5.0, - border_width: 0.0, - border_color: Color::TRANSPARENT, - }, - } - } - - fn hovered(&self) -> Scrollbar { - Scrollbar { - background: Some(Background::Color([0.0, 0.0, 0.0, 0.3].into())), - ..self.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, style: Self::Style) -> Scrollbar { + self.hovered(style) } } |