Struct WidgetTextEditCmd 

pub struct WidgetTextEditCmd { /* private fields */ }

A widget undo command for text editing.

Implementations

impl WidgetTextEditCmd

pub fn new(widget_id: UndoWidgetId, operation: TextEditOperation) -> Self

Create a new text edit command.

pub fn with_apply<F>(self, f: F) -> Self

where F: Fn(UndoWidgetId, &TextEditOperation) -> Result<(), String> + Send + Sync + 'static,

Set the apply callback (builder).

pub fn with_undo<F>(self, f: F) -> Self

where F: Fn(UndoWidgetId, &TextEditOperation) -> Result<(), String> + Send + Sync + 'static,

Set the undo callback (builder).

pub fn widget_id(&self) -> UndoWidgetId

Get the widget ID.

pub fn operation(&self) -> &TextEditOperation

Get the operation.

impl WidgetTextEditCmd

pub fn execute(&mut self) -> Result<(), String>

Execute the command.

pub fn undo(&mut self) -> Result<(), String>

Undo the command.

pub fn redo(&mut self) -> Result<(), String>

Redo the command (same as execute).

pub fn description(&self) -> &'static str

Get the description.

pub fn size_bytes(&self) -> usize

Get the size in bytes.

Trait Implementations

impl Debug for WidgetTextEditCmd

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

Formats the value using the given formatter.