Enum Event 

pub enum Event<Id> {
    Ready(Sender<Id>),
    Received(Vec<Loaded<Id>>),
    Toggle(Id),
    Expand(Id),
    Collapse(Id),
    Press(Id, Modifiers),
    Activate(Id),
    Check(Id, bool),
    Next,
    Previous,
    First,
    Last,
    ExtendNext,
    ExtendPrevious,
    ExpandOrEnter,
    CollapseOrLeave,
    ExpandSiblings,
    ToggleHighlighted,
    ActivateHighlighted,
    SelectAll,
    Typeahead(char),
    Focus(bool),
}

Available on crate feature tree only.

Everything that changes a tree.

Variants

Ready(Sender<Id>)

The channel is open. Keep the sender and hand clones to producers.

Received(Vec<Loaded<Id>>)

Children from the channel, oldest first.

Toggle(Id)

Expands or collapses a node, as its chevron does.

Expand(Id)

Collapse(Id)

Press(Id, Modifiers)

The pointer pressed a row with these modifiers held.

Activate(Id)

A row was double clicked.

Check(Id, bool)

A checkbox changed, in Mode::Checkbox.

Next

Previous

First

Last

ExtendNext

Moves the highlight and extends the selection to it, in Mode::Multiple.

ExtendPrevious

ExpandOrEnter

Expands the highlighted node, or moves to its first child when it is already expanded.

CollapseOrLeave

Collapses the highlighted node, or moves to its parent when it is already collapsed.

ExpandSiblings

Expands the highlighted node and every sibling that has children.

ToggleHighlighted

Selects, toggles or checks the highlighted node, by Mode.

ActivateHighlighted

SelectAll

Selects every visible node, in Mode::Multiple.

Typeahead(char)

Highlights the next visible node whose label starts with this character.

Focus(bool)

The tree gained or lost focus. The widget sends this itself.

Trait Implementations

impl<Id: Clone> Clone for Event<Id>

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<Id: Debug> Debug for Event<Id>

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

Formats the value using the given formatter.