Struct re_viewer_context::SelectionHistory

pub struct SelectionHistory {
    pub current: usize,
    pub stack: Vec<ItemCollection>,
}

A stack of Selections, used to implement “undo/redo”-like semantics for selections.

Fields

current: usize

Index into Self::stack.

stack: Vec<ItemCollection>

Oldest first.

Implementations

impl SelectionHistory

pub fn retain(&mut self, f: &impl Fn(&Item) -> bool)

Retains all elements that fulfill a certain condition.

pub fn current(&self) -> Option<HistoricalSelection>

pub fn previous(&self) -> Option<HistoricalSelection>

pub fn next(&self) -> Option<HistoricalSelection>

pub fn select_previous(&mut self) -> Option<ItemCollection>

pub fn select_next(&mut self) -> Option<ItemCollection>

pub fn update_selection(&mut self, selection: &ItemCollection)

Trait Implementations

impl Clone for SelectionHistory

fn clone(&self) -> SelectionHistory

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for SelectionHistory

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

Formats the value using the given formatter.

impl Default for SelectionHistory

fn default() -> SelectionHistory

Returns the “default value” for a type.