Struct ScrollbarGeometry 

pub struct ScrollbarGeometry {
    pub track_origin: Vec2,
    pub track_size: Vec2,
    pub thumb_origin: Vec2,
    pub thumb_size: Vec2,
    pub max_offset: f32,
}

Resolved geometry for one overlay bar, in window coordinates.

Fields

track_origin: Vec2

Track rect origin (top-left).

track_size: Vec2

Track rect size.

thumb_origin: Vec2

Thumb rect origin (top-left).

thumb_size: Vec2

Thumb rect size.

max_offset: f32

Maximum scroll offset on this axis (content - viewport, > 0).

Implementations

impl ScrollbarGeometry

pub fn offset_for_thumb_pos( &self, pointer_along: f32, grab: f32, vertical: bool, ) -> f32

Map a pointer coordinate along the bar axis to the scroll offset that puts the thumb’s leading edge at pointer - grab (the absolute 1:1 inverse of the thumb-position formula).

pub fn point_in_thumb(&self, p: Vec2) -> bool

true when p lies inside the thumb rect.

pub fn point_in_track(&self, p: Vec2) -> bool

true when p lies inside the track rect (thumb included).

Trait Implementations

impl Clone for ScrollbarGeometry

fn clone(&self) -> ScrollbarGeometry

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ScrollbarGeometry

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for ScrollbarGeometry

fn eq(&self, other: &ScrollbarGeometry) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for ScrollbarGeometry

impl StructuralPartialEq for ScrollbarGeometry