minicrossterm/examples/raw_mode.rs
2019-09-18 19:31:12 +02:00

52 lines
1.3 KiB
Rust

use std::io::{stdout, Write};
use std::{thread, time};
use crossterm::{style, AlternateScreen, ClearType, Color, Crossterm, Result};
fn print_wait_screen() -> Result<()> {
let crossterm = Crossterm::new();
let terminal = crossterm.terminal();
let cursor = crossterm.cursor();
terminal.clear(ClearType::All)?;
cursor.hide()?;
cursor.goto(0, 0)?;
println!("Welcome to the wait screen.");
cursor.goto(0, 1)?;
println!("Please wait a few seconds until we arrive back at the main screen.");
cursor.goto(0, 2)?;
println!("Progress:");
cursor.goto(0, 3)?;
// print some progress example.
for i in 1..5 {
// print the current counter at the line of `Seconds to Go: {counter}`
cursor.goto(10, 2)?;
print!(
"{}",
style(format!("{} of the 5 items processed", i))
.with(Color::Red)
.on(Color::Blue)
);
stdout().flush()?;
// 1 second delay
thread::sleep(time::Duration::from_secs(1));
}
Ok(())
}
fn print_wait_screen_on_alternate_window() -> Result<()> {
// by passing in 'true' the alternate screen will be in raw modes.
let _alt = AlternateScreen::to_alternate(true)?;
print_wait_screen()
}
// cargo run --example raw_mode
fn main() -> Result<()> {
print_wait_screen_on_alternate_window()
}