Struct Slider

pub struct Slider<S: State> { /* private fields */ }

A slider widget to control a floating point value between 0.0 and 1.0.

Theming

You can style the slider using following properties:

• color - The color of the slider bar.
• color_ball - The color of the slider ball.

Implementations

impl<S: State> Slider<S>

pub fn new( value: impl Into<Val<S, f32>>, on_change: impl FnMut(&mut S, f32) -> Update + 'static, ) -> Self

Create a new Slider widget from a value (should be state bound) and an on_change callback.

pub fn with_value(self, value: impl Into<Val<S, f32>>) -> Self

Sets the layout style of the slider and returns itself.

pub fn with_on_change( self, on_change: impl FnMut(&mut S, f32) -> Update + 'static, ) -> Self

Sets the function to be called when the slider is clicked/changed.

Trait Implementations

impl<S: State> Widget<S> for Slider<S>

fn render( &mut self, scene: &mut Scene, theme: &mut dyn Theme, _: &AppInfo, layout_node: &LayoutNode, state: &S, )

Render the widget to the canvas.

fn layout_style(&mut self, state: &S) -> StyleNode

Return the layout style node for layout computation.

fn update( &mut self, layout: &LayoutNode, state: &mut S, info: &AppInfo, ) -> Update

Update the widget state with given info and layout. Returns if the app should be updated.

fn widget_id(&self) -> WidgetId

Return the widget id.

impl<S: State> WidgetLayoutExt<S> for Slider<S>

fn set_layout_style(&mut self, layout_style: impl Into<Val<S, LayoutStyle>>)

Sets the layout style of the widget.

fn with_layout_style(self, layout_style: impl Into<Val<S, LayoutStyle>>) -> Self

where Self: Sized,

Sets the layout style of the widget and returns self.