minicrossterm/examples/alternate_screen.rs
Timon ad74f6b524
Introduced: Crossterm Workspace and feature flags. (#84)
* Introduced: crossterm workspace, feature flags.
2019-01-27 21:16:14 +01:00

46 lines
1.3 KiB
Rust

extern crate crossterm;
use crossterm::{ClearType, Color, Crossterm, Screen, style};
use std::io::{stdout, Write};
use std::{thread, time};
fn print_wait_screen(screen: &Screen) {
let crossterm = Crossterm::from_screen(screen);
let terminal = crossterm.terminal();
let cursor = crossterm.cursor();
terminal.clear(ClearType::All);
cursor.goto(0, 0);
cursor.hide();
terminal.write(
"Welcome to the wait screen.\n\
Please wait a few seconds until we arrive back at the main screen.\n\
Progress: ",
);
// 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);
style(format!("{} of the 5 items processed", i))
.with(Color::Red)
.on(Color::Blue)
.paint(&screen.stdout);
// 1 second delay
thread::sleep(time::Duration::from_secs(1));
}
}
/// print wait screen on alternate screen, then switch back.
pub fn print_wait_screen_on_alternate_window() {
let screen = Screen::default();
if let Ok(alternate) = screen.enable_alternate_modes(false) {
print_wait_screen(&alternate.screen);
}
}
fn main() {
print_wait_screen_on_alternate_window();
}