Struct Selection 

pub struct Selection { /* private fields */ }

A selection of row indices. See the module docs.

Implementations

impl Selection

pub fn new() -> Self

pub fn contains(&self, row: usize) -> bool

Whether row is selected (O(log ranges)).

pub fn len(&self) -> usize

Number of selected rows.

pub fn is_empty(&self) -> bool

pub fn cursor(&self) -> Option<usize>

The row keyboard navigation moves from (the last row clicked or moved to).

pub fn anchor(&self) -> Option<usize>

The row Shift ranges start from.

pub fn ranges(&self) -> impl Iterator<Item = Range<usize>> + '_

The selected rows as sorted ranges.

pub fn iter(&self) -> impl Iterator<Item = usize> + '_

The selected rows, ascending.

pub fn select_only(&mut self, row: usize)

Select only row (a plain click or arrow key): it becomes the anchor and the cursor.

pub fn toggle(&mut self, row: usize)

Toggle row (⌘/Ctrl-click): it becomes the anchor and the cursor.

pub fn extend_to(&mut self, row: usize)

Select the rows from the anchor to row (Shift-click, Shift+arrows), replacing the previous selection; the anchor stays, the cursor moves to row.

pub fn select_all(&mut self, rows: usize)

Select rows 0..rows (⌘A); the cursor and anchor stay.

pub fn clear(&mut self)

Deselect everything.

pub fn clamp(&mut self, rows: usize)

Drop rows at or past rows (call when the model shrinks).

pub fn insert(&mut self, rows: Range<usize>)

Add a range of rows.

pub fn remove(&mut self, rows: Range<usize>)

Remove a range of rows.

Trait Implementations

impl Clone for Selection

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Selection

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

Formats the value using the given formatter.

impl Default for Selection

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Selection

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for Selection

impl PartialEq for Selection

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for Selection

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Selection