refactor: 🔨 fix linting issues

examples/widget_text_area.rs

@@ -0,0 +1,77 @@
+use {
+    lool::tui::{
+        ratatui::{
+            backend::CrosstermBackend,
+            crossterm::{
+                event::{self},
+                execute,
+                terminal::{
+                    disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen,
+                },
+            },
+            layout::{Constraint, Direction, Layout},
+            Terminal,
+        },
+        widgets::textarea::{Input, Key, TextArea},
+    },
+    ratatui::widgets::{Block, BorderType, Borders, Padding, Paragraph},
+    std::{cmp, io},
+};
+
+fn main() -> io::Result<()> {
+    let stdout = io::stdout();
+    let mut stdout = stdout.lock();
+
+    enable_raw_mode()?;
+    execute!(stdout, EnterAlternateScreen)?;
+    let backend = CrosstermBackend::new(stdout);
+    let mut term = Terminal::new(backend)?;
+
+    let mut textarea = TextArea::default().with_block(
+        Block::default()
+            .borders(Borders::ALL)
+            .border_type(BorderType::Rounded)
+            .title(" Your name ")
+            .padding(Padding::horizontal(1)),
+    );
+
+    loop {
+        term.draw(|f| {
+            const MIN_HEIGHT: usize = 1;
+            let height = cmp::max(textarea.lines().len(), MIN_HEIGHT) as u16 + 2;
+            let layout = Layout::default()
+                .direction(Direction::Vertical)
+                .constraints([Constraint::Length(height), Constraint::Min(1)])
+                .split(f.area());
+
+            // Render the textarea
+            f.render_widget(&textarea, layout[0]);
+            f.render_widget(Paragraph::new("Press <Esc> to exit"), layout[1]);
+        })?;
+        match event::read()?.into() {
+            Input { key: Key::Esc, .. }
+            | Input {
+                key: Key::Char('c'),
+                shift: false,
+                ctrl: true,
+                alt: false,
+            }
+            | Input {
+                key: Key::Enter,
+                ctrl: false,
+                shift: false,
+                alt: false,
+            } => break,
+            input => {
+                textarea.input(input);
+            }
+        }
+    }
+
+    disable_raw_mode()?;
+    execute!(term.backend_mut(), LeaveAlternateScreen)?;
+    term.show_cursor()?;
+
+    println!("Lines: {:?}", textarea.lines());
+    Ok(())
+}

lib/cli/tui/framework/component.rs

@@ -261,6 +261,7 @@ pub trait Component: Downcast {
     ///
     /// # Returns
     /// * `Option<&Box<dyn Component>>` - A reference to the child component or none.
+    #[allow(clippy::borrowed_box)]
     fn child(&mut self, name: &str) -> Option<&Box<dyn Component>> {
         if let Some(children) = self.get_children() {
             children.get(name)

lib/cli/tui/widgets/textarea/behaviour/cursor.rs

@@ -1,6 +1,6 @@
 use {
     super::util::{find_word_start_backward, find_word_start_forward},
-    crate::tui::widgets::textarea::textarea::widget::Viewport,
+    crate::tui::widgets::textarea::core::widget::Viewport,
     std::cmp,
 };
 

lib/cli/tui/widgets/textarea/behaviour/input.rs

@@ -3,7 +3,7 @@ use crossterm::event::{Event, KeyCode, KeyEvent, KeyEventKind, KeyModifiers};
 /// Backend-agnostic key input kind.
 ///
 /// This type is marked as `#[non_exhaustive]` since more keys may be supported in the future.
-#[derive(Clone, Copy, Debug, PartialEq, Hash, Eq)]
+#[derive(Clone, Copy, Debug, PartialEq, Hash, Eq, Default)]
 pub enum Key {
     /// Normal letter key input
     Char(char),
@@ -38,15 +38,10 @@ pub enum Key {
     /// Paste key. This key is supported by termwiz only
     Paste,
     /// An invalid key input (this key is always ignored by [`TextArea`](crate::TextArea))
+    #[default]
     Null,
 }
 
-impl Default for Key {
-    fn default() -> Self {
-        Key::Null
-    }
-}
-
 /// Backend-agnostic key input type.
 ///
 /// When `crossterm`, `termion`, `termwiz` features are enabled, converting respective key input types into this
@@ -104,7 +99,7 @@ impl Input {
                 ctrl: false,
                 alt: false,
                 ..
-            } => Some(c.clone()),
+            } => Some(*c),
             _ => None,
         }
     }
@@ -117,30 +112,27 @@ impl Input {
     /// - Char is \n or \r
     #[inline]
     pub fn is_newline_except_enter(&self) -> bool {
-        match self {
+        matches!(
+            self,
             Input {
                 key: Key::Char('\n' | '\r'),
                 ctrl: false,
                 alt: false,
                 ..
-            }
-            | Input {
+            } | Input {
                 key: Key::Enter,
                 ctrl: true,
                 ..
-            }
-            | Input {
+            } | Input {
                 key: Key::Enter,
                 alt: true,
                 ..
-            }
-            | Input {
+            } | Input {
                 key: Key::Enter,
                 shift: true,
                 ..
-            } => true,
-            _ => false,
             }
+        )
     }
 
     /// Returns `true` if the Input represents a new line (including Enter key).
@@ -170,67 +162,67 @@ impl Input {
     /// Returns `true` if the Input is a Tab
     #[inline]
     pub fn is_tab(&self) -> bool {
-        return self.key == Key::Tab && !self.ctrl && !self.alt;
+        self.key == Key::Tab && !self.ctrl && !self.alt
     }
 
     /// Returns `true` if the Input is Backspace
     #[inline]
     pub fn is_backspace(&self) -> bool {
-        return self.key == Key::Backspace && !self.ctrl && !self.alt;
+        self.key == Key::Backspace && !self.ctrl && !self.alt
     }
 
     /// Returns `true` if the Input is Delete
     #[inline]
     pub fn is_delete(&self) -> bool {
-        return self.key == Key::Delete && !self.ctrl && !self.alt;
+        self.key == Key::Delete && !self.ctrl && !self.alt
     }
 
     /// Returns `true` if the Input is key down arrow
     #[inline]
     pub fn is_down(&self) -> bool {
-        return self.key == Key::Down && !self.ctrl && !self.alt;
+        self.key == Key::Down && !self.ctrl && !self.alt
     }
 
     /// Returns `true` if the Input is key up arrow
     #[inline]
     pub fn is_up(&self) -> bool {
-        return self.key == Key::Up && !self.ctrl && !self.alt;
+        self.key == Key::Up && !self.ctrl && !self.alt
     }
 
     /// Returns `true` if the Input is key left arrow
     #[inline]
     pub fn is_left(&self) -> bool {
-        return self.key == Key::Left && !self.ctrl && !self.alt;
+        self.key == Key::Left && !self.ctrl && !self.alt
     }
 
     /// Returns `true` if the Input is key right arrow
     #[inline]
     pub fn is_right(&self) -> bool {
-        return self.key == Key::Right && !self.ctrl && !self.alt;
+        self.key == Key::Right && !self.ctrl && !self.alt
     }
 
     /// Returns `true` if the Input is key Home
     #[inline]
     pub fn is_home(&self) -> bool {
-        return self.key == Key::Home;
+        self.key == Key::Home
     }
 
     /// Returns `true` if the Input is key End
     #[inline]
     pub fn is_end(&self) -> bool {
-        return self.key == Key::End;
+        self.key == Key::End
     }
 
     /// Returns `true` if the Input is ctrl+left
     #[inline]
     pub fn is_ctrl_left(&self) -> bool {
-        return self.key == Key::Left && self.ctrl && !self.alt;
+        self.key == Key::Left && self.ctrl && !self.alt
     }
 
     /// Returns `true` if the Input is ctrl+right
     #[inline]
     pub fn is_ctrl_right(&self) -> bool {
-        return self.key == Key::Right && self.ctrl && !self.alt;
+        self.key == Key::Right && self.ctrl && !self.alt
     }
 
     /// Returns a string representing the kind of key input.

lib/cli/tui/widgets/textarea/behaviour/scroll.rs

@@ -1,4 +1,4 @@
-use crate::tui::widgets::textarea::textarea::widget::Viewport;
+use crate::tui::widgets::textarea::core::widget::Viewport;
 
 /// Specify how to scroll the textarea.
 ///

lib/cli/tui/widgets/textarea/behaviour/util.rs

@@ -59,5 +59,5 @@ pub fn find_word_start_backward(line: &str, start_col: usize) -> Option<usize> {
         }
         cur = next;
     }
-    (cur != CharKind::Space).then(|| 0)
+    (cur != CharKind::Space).then_some(0)
 }

lib/cli/tui/widgets/textarea/core/mod.rs

@@ -512,5 +512,3 @@ impl<'a> TextArea<'a> {
         hl.into_spans()
     }
 }
-
-// Builder-Pattern methods

lib/cli/tui/widgets/textarea/core/validation/mod.rs

@@ -7,8 +7,10 @@ pub enum ValidationResult {
     Invalid(Vec<String>),
 }
 
+type ValidatorFnType = Arc<dyn Fn(&str) -> Result<(), String> + Send + Sync>;
+
 #[derive(Clone)]
-pub struct ValidatorFn(Arc<dyn Fn(&str) -> Result<(), String> + Send + Sync>);
+pub struct ValidatorFn(ValidatorFnType);
 
 impl ValidatorFn {
     pub fn new<F>(f: F) -> Self

lib/cli/tui/widgets/textarea/core/validation/validators.rs

@@ -1,6 +1,6 @@
 pub fn required_validator(input: &str) -> Result<(), String> {
     if input.is_empty() {
-        Err(format!("This field is required"))
+        Err("This field is required".to_string())
     } else {
         Ok(())
     }

lib/cli/tui/widgets/textarea/mod.rs

@@ -6,11 +6,11 @@ pub(super) mod behaviour {
     pub(super) mod util;
 }
 
-mod textarea;
+mod core;
 
 pub use {
     behaviour::input::{Input, Key},
-    textarea::{
+    core::{
         validation::{validators, ValidationResult},
         TextArea,
     },