Struct ScrollState 

pub struct ScrollState {
    pub offset: u32,
    pub auto_scroll: bool,
}

Scroll state for a scrollable text region.

offset == 0 means “pinned to the bottom” (auto-scroll). Scrolling up increases offset; scrolling back to 0 re-enables auto-scroll.

Fields

offset: u32

Lines scrolled up from the bottom (0 = follow latest content).

auto_scroll: bool

Whether we’re auto-following new content.

Implementations

impl ScrollState

pub fn new() -> Self

pub fn scroll_up(&mut self, amount: u32)

Scroll up (away from bottom). Disables auto-scroll.

pub fn scroll_down(&mut self, amount: u32)

Scroll down (toward bottom). Re-enables auto-scroll when reaching offset 0.

pub fn scroll_to_bottom(&mut self)

Jump to bottom and re-enable auto-scroll.

Trait Implementations

impl Clone for ScrollState

fn clone(&self) -> ScrollState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ScrollState

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

Formats the value using the given formatter.

impl Default for ScrollState

fn default() -> Self

Returns the “default value” for a type.