Struct Scrollbar 

pub struct Scrollbar { /* private fields */ }

A scrollbar for a VirtualWindow.

The same component draws vertical and horizontal bars, uses the active theme by default, and permits local glyph/style overrides. It draws nothing when the whole collection fits in the window.

Implementations

impl Scrollbar

pub fn vertical(window: VirtualWindow) -> Self

Create a vertical scrollbar for window.

pub fn horizontal(window: VirtualWindow) -> Self

Create a horizontal scrollbar for window.

pub fn track_glyph(self, glyph: char) -> Self

Replace the track glyph.

pub fn thumb_glyph(self, glyph: char) -> Self

Replace the thumb glyph.

pub fn track_style(self, style: Style) -> Self

Override the track style for this bar.

pub fn thumb_style(self, style: Style) -> Self

Override the thumb style for this bar.

Trait Implementations

impl View for Scrollbar

fn measure(&self, available: Size, _ctx: &RenderCtx<'_>) -> Size

Report the intrinsic content size wanted given available and ctx.

fn render(&self, area: Rect, surface: &mut Surface<'_>, ctx: &RenderCtx<'_>)

Paint the view into the assigned area through surface.

fn measure_request(&self, request: MeasureRequest, ctx: &RenderCtx<'_>) -> Size

Answer a measurement request with optional known axes and intrinsic sizing modes.