password - second go

examples/password.rs

@@ -0,0 +1,62 @@
+use crossterm::event::{DisableMouseCapture, EnableMouseCapture};
+use crossterm::terminal::{
+    disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen,
+};
+use std::io;
+use tui::backend::CrosstermBackend;
+use tui::layout::{Constraint, Layout};
+use tui::style::{Color, Style};
+use tui::widgets::{Block, Borders};
+use tui::Terminal;
+use tui_textarea::{Input, Key, TextArea};
+
+fn main() -> io::Result<()> {
+    let stdout = io::stdout();
+    let mut stdout = stdout.lock();
+
+    enable_raw_mode()?;
+    crossterm::execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
+    let backend = CrosstermBackend::new(stdout);
+    let mut term = Terminal::new(backend)?;
+
+    let mut textarea = TextArea::default();
+    textarea.set_cursor_line_style(Style::default());
+    textarea.set_password_mode(true);
+    textarea.set_placeholder_text("please enter your password");
+    let layout =
+        Layout::default().constraints([Constraint::Length(3), Constraint::Min(1)].as_slice());
+    textarea.set_style(Style::default().fg(Color::LightGreen));
+    textarea.set_block(Block::default().borders(Borders::ALL).title("Password"));
+    loop {
+        term.draw(|f| {
+            let chunks = layout.split(f.size());
+            let widget = textarea.widget();
+            f.render_widget(widget, chunks[0]);
+        })?;
+
+        match crossterm::event::read()?.into() {
+            Input { key: Key::Esc, .. } => break,
+            Input {
+                key: Key::Enter, ..
+            } => break,
+
+            input => {
+                // TextArea::input returns if the input modified its text
+                if textarea.input(input) {
+                    //  is_valid = validate(&mut textarea);
+                }
+            }
+        }
+    }
+
+    disable_raw_mode()?;
+    crossterm::execute!(
+        term.backend_mut(),
+        LeaveAlternateScreen,
+        DisableMouseCapture
+    )?;
+    term.show_cursor()?;
+
+    println!("Input: {:?}", textarea.lines()[0]);
+    Ok(())
+}