Struct TextBoxState 

pub struct TextBoxState { /* private fields */ }

Text, caret, selection and focus of one text box.

Implementations

impl TextBoxState

pub const fn new() -> Self

pub fn text(&self) -> &str

pub fn set_text(&mut self, text: impl Into<String>)

Replaces the text (cut to the max length), caret at the end.

pub fn clear(&mut self)

Empties the box.

pub fn is_focused(&self) -> bool

pub fn focus(&mut self)

Gives the box keyboard focus, caret at the end.

pub fn blur(&mut self)

Takes keyboard focus away.

pub fn caret(&self) -> usize

Caret position, in characters.

pub fn selection(&self) -> (usize, usize)

Selected characters start..end (empty when nothing is selected).

pub fn select_all(&mut self)

Selects all the text.

pub fn event_name(&self, ev: TextBoxEvent) -> Option<&str>

The on_change/on_submit event name the widget declared for a TextBoxEvent::Changed/TextBoxEvent::Submitted (learned in Self::apply); None for other results or when it has none.

pub fn apply(&mut self, w: &mut Widget)

Writes the state into the text box widget w before layout: text, caret, selection, scroll, focus. Also picks up the widget’s max length, padding, font and event names. Does nothing to other kinds.

pub fn handle(&mut self, event: &str, node: &LayoutNode) -> TextBoxEvent

Applies one UI event; node is the box’s laid-out node from the frame the user saw (UiRoot::find_node).

pub fn handle_event( &mut self, event: &UiEvent<'_>, node: &LayoutNode, ) -> TextBoxEvent

Self::handle for a parsed event.

Trait Implementations

impl Clone for TextBoxState

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 TextBoxState

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

Formats the value using the given formatter.

impl Default for TextBoxState

fn default() -> Self

Returns the “default value” for a type.