Struct ScrollAnchor 

pub struct ScrollAnchor {
    pub message: Option<MessageId>,
    pub offset: u32,
    pub gravity: Gravity,
}

The viewport’s position.

Fields

message: Option<MessageId>

The row the viewport’s top edge sits in. None with Gravity::Bottom means “pinned to the very bottom”, which is the initial state and the state after every append while following.

offset: u32

Pixels from the top of that row down to the viewport’s top edge.

gravity: Gravity

Implementations

impl ScrollAnchor

pub fn bottom() -> ScrollAnchor

Pinned to the bottom, following new messages.

pub fn is_following(&self) -> bool

Trait Implementations

impl Clone for ScrollAnchor

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ScrollAnchor

impl Debug for ScrollAnchor

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

Formats the value using the given formatter.

impl Default for ScrollAnchor

fn default() -> Self

Returns the “default value” for a type.

impl Eq for ScrollAnchor

impl PartialEq for ScrollAnchor

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ScrollAnchor