diff options
Diffstat (limited to 'web/src/widget/slider.rs')
-rw-r--r-- | web/src/widget/slider.rs | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/web/src/widget/slider.rs b/web/src/widget/slider.rs index 54b2fdf6..acdef0a1 100644 --- a/web/src/widget/slider.rs +++ b/web/src/widget/slider.rs @@ -1,8 +1,55 @@ -use crate::{Bus, Element, Widget}; +use crate::{Bus, Element, Length, Widget}; use dodrio::bumpalo; +use std::{ops::RangeInclusive, rc::Rc}; -pub use iced_core::slider::*; +pub struct Slider<'a, Message> { + _state: &'a mut State, + range: RangeInclusive<f32>, + value: f32, + on_change: Rc<Box<dyn Fn(f32) -> Message>>, + width: Length, +} + +impl<'a, Message> Slider<'a, Message> { + /// Creates a new [`Slider`]. + /// + /// It expects: + /// * the local [`State`] of the [`Slider`] + /// * an inclusive range of possible values + /// * the current value of the [`Slider`] + /// * a function that will be called when the [`Slider`] is dragged. + /// It receives the new value of the [`Slider`] and must produce a + /// `Message`. + /// + /// [`Slider`]: struct.Slider.html + /// [`State`]: struct.State.html + pub fn new<F>( + state: &'a mut State, + range: RangeInclusive<f32>, + value: f32, + on_change: F, + ) -> Self + where + F: 'static + Fn(f32) -> Message, + { + Slider { + _state: state, + value: value.max(*range.start()).min(*range.end()), + range, + on_change: Rc::new(Box::new(on_change)), + width: Length::Fill, + } + } + + /// Sets the width of the [`Slider`]. + /// + /// [`Slider`]: struct.Slider.html + pub fn width(mut self, width: Length) -> Self { + self.width = width; + self + } +} impl<'a, Message> Widget<Message> for Slider<'a, Message> where @@ -60,3 +107,11 @@ where Element::new(slider) } } + +pub struct State; + +impl State { + pub fn new() -> Self { + Self + } +} |