fix warnings and compile errors due to ratatui v0.28 update

src/textarea.rs

@@ -78,8 +78,8 @@ impl fmt::Display for YankText {
 /// println!("Lines: {:?}", textarea.lines());
 /// ```
 ///
-/// It implements [`ratatui::widgets::Widget`] trait so it can be rendered to a
-/// terminal screen via [`ratatui::terminal::Frame::render_widget`] method.
+/// It implements [`ratatui::widgets::Widget`] trait so it can be rendered to a terminal screen via
+/// [`ratatui::Frame::render_widget`] method.
 /// ```no_run
 /// use ratatui::backend::CrosstermBackend;
 /// use ratatui::layout::{Constraint, Direction, Layout};
@@ -96,7 +96,7 @@ impl fmt::Display for YankText {
 ///
 /// loop {
 ///     term.draw(|f| {
-///         let chunks = layout.split(f.size());
+///         let chunks = layout.split(f.area());
 ///         f.render_widget(&textarea, chunks[0]);
 ///     }).unwrap();
 ///
@@ -1616,7 +1616,7 @@ impl<'a> TextArea<'a> {
     }
 
     /// Build a ratatui (or tui-rs) widget to render the current state of the textarea. The widget instance returned
-    /// from this method can be rendered with [`ratatui::terminal::Frame::render_widget`].
+    /// from this method can be rendered with [`ratatui::Frame::render_widget`].
     ///
     /// This method was deprecated at v0.5.3 and is no longer necessary. Instead you can directly pass `&TextArea`
     /// reference to the `Frame::render_widget` method call.

src/widget.rs

@@ -15,8 +15,8 @@ use tui::text::Spans as Line;
 // instance. In the case, the TextArea instance cannot be accessed from any other objects since it is mutablly
 // borrowed.
 //
-// `ratatui::terminal::Frame::render_stateful_widget` would be an assumed way to render a stateful widget. But at this
-// point we stick with using `ratatui::terminal::Frame::render_widget` because it is simpler API. Users don't need to
+// `ratatui::Frame::render_stateful_widget` would be an assumed way to render a stateful widget. But at this
+// point we stick with using `ratatui::Frame::render_widget` because it is simpler API. Users don't need to
 // manage states of textarea instances separately.
 // https://docs.rs/ratatui/latest/ratatui/terminal/struct.Frame.html#method.render_stateful_widget
 #[derive(Default, Debug)]