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

bench/src/lib.rs

@@ -3,7 +3,7 @@
 
 use ratatui::backend::{Backend, WindowSize};
 use ratatui::buffer::Cell;
-use ratatui::layout::{Rect, Size};
+use ratatui::layout::{Position, Size};
 use ratatui::Terminal;
 use std::io;
 use tui_textarea::TextArea;
@@ -75,10 +75,8 @@ impl Backend for DummyBackend {
     }
 
     #[inline]
-    fn size(&self) -> io::Result<Rect> {
+    fn size(&self) -> io::Result<Size> {
-        Ok(Rect {
+        Ok(Size {
-            x: 0,
-            y: 0,
             width: self.width,
             height: self.height,
         })
@@ -102,6 +100,19 @@ impl Backend for DummyBackend {
     fn flush(&mut self) -> io::Result<()> {
         Ok(())
     }
+
+    #[inline]
+    fn get_cursor_position(&mut self) -> io::Result<Position> {
+        let (x, y) = self.cursor;
+        Ok(Position { x, y })
+    }
+
+    #[inline]
+    fn set_cursor_position<P: Into<Position>>(&mut self, position: P) -> io::Result<()> {
+        let Position { x, y } = position.into();
+        self.cursor = (x, y);
+        Ok(())
+    }
 }
 
 #[inline]
@@ -116,6 +127,6 @@ pub trait TerminalExt {
 impl TerminalExt for Terminal<DummyBackend> {
     #[inline]
     fn draw_textarea(&mut self, textarea: &TextArea<'_>) {
-        self.draw(|f| f.render_widget(textarea, f.size())).unwrap();
+        self.draw(|f| f.render_widget(textarea, f.area())).unwrap();
     }
 }

examples/editor.rs

@@ -185,7 +185,7 @@ impl<'a> Editor<'a> {
                 );
 
             self.term.draw(|f| {
-                let chunks = layout.split(f.size());
+                let chunks = layout.split(f.area());
 
                 if search_height > 0 {
                     f.render_widget(&self.search.textarea, chunks[0]);

examples/minimal.rs

@@ -26,7 +26,7 @@ fn main() -> io::Result<()> {
 
     loop {
         term.draw(|f| {
-            f.render_widget(&textarea, f.size());
+            f.render_widget(&textarea, f.area());
         })?;
         match crossterm::event::read()?.into() {
             Input { key: Key::Esc, .. } => break,

examples/password.rs

@@ -30,7 +30,7 @@ fn main() -> io::Result<()> {
 
     loop {
         term.draw(|f| {
-            let chunks = layout.split(f.size());
+            let chunks = layout.split(f.area());
             f.render_widget(&textarea, chunks[0]);
         })?;
 

examples/single_line.rs

@@ -49,7 +49,7 @@ fn main() -> io::Result<()> {
 
     loop {
         term.draw(|f| {
-            let chunks = layout.split(f.size());
+            let chunks = layout.split(f.area());
             f.render_widget(&textarea, chunks[0]);
         })?;
 

examples/split.rs

@@ -52,7 +52,7 @@ fn main() -> io::Result<()> {
 
     loop {
         term.draw(|f| {
-            let chunks = layout.split(f.size());
+            let chunks = layout.split(f.area());
             for (textarea, chunk) in textarea.iter().zip(chunks.iter()) {
                 f.render_widget(textarea, *chunk);
             }

examples/termion.rs

@@ -57,7 +57,7 @@ fn main() -> Result<(), Box<dyn Error>> {
             Event::Tick => {}
         }
         term.draw(|f| {
-            f.render_widget(&textarea, f.size());
+            f.render_widget(&textarea, f.area());
         })?;
     }
 

examples/termwiz.rs

@@ -22,7 +22,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     // The event loop
     loop {
         term.draw(|f| {
-            f.render_widget(&textarea, f.size());
+            f.render_widget(&textarea, f.area());
         })?;
 
         if let Some(input) = term

examples/variable.rs

@@ -33,7 +33,7 @@ fn main() -> io::Result<()> {
             let chunks = Layout::default()
                 .direction(Direction::Vertical)
                 .constraints([Constraint::Length(height), Constraint::Min(0)])
-                .split(f.size());
+                .split(f.area());
             f.render_widget(&textarea, chunks[0]);
         })?;
         match crossterm::event::read()?.into() {

examples/vim.rs

@@ -417,7 +417,7 @@ fn main() -> io::Result<()> {
     let mut vim = Vim::new(Mode::Normal);
 
     loop {
-        term.draw(|f| f.render_widget(&textarea, f.size()))?;
+        term.draw(|f| f.render_widget(&textarea, f.area()))?;
 
         vim = match vim.transition(crossterm::event::read()?.into(), &mut textarea) {
             Transition::Mode(mode) if vim.mode != mode => {

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
+/// It implements [`ratatui::widgets::Widget`] trait so it can be rendered to a terminal screen via
-/// terminal screen via [`ratatui::terminal::Frame::render_widget`] method.
+/// [`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
+// `ratatui::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
+// 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)]