54 lines
1.6 KiB
Rust
54 lines
1.6 KiB
Rust
extern crate crossterm;
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use crossterm::{Crossterm, Screen, terminal, ClearType, Color, style};
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use std::io::{stdout, Write};
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use std::{thread, time};
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fn print_wait_screen(screen: &mut Screen) {
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let crossterm = Crossterm::from_screen(screen);
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let terminal = crossterm.terminal();
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let cursor = crossterm.cursor();
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terminal.clear(ClearType::All);
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cursor.hide();
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cursor.goto(0, 0);
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screen.write(b"Welcome to the wait screen.");
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cursor.goto(0, 1);
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screen.write(b"Please wait a few seconds until we arrive back at the main screen.");
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cursor.goto(0, 2);
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screen.write(b"Progress:");
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cursor.goto(0, 3);
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// print some progress example.
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for i in 1..5 {
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// print the current counter at the line of `Seconds to Go: {counter}`
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cursor.goto(10, 2);
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style(format!("{} of the 5 items processed", i))
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.with(Color::Red)
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.on(Color::Blue)
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.paint(&screen.stdout);
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screen.stdout.flush();
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// 1 second delay
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thread::sleep(time::Duration::from_secs(1));
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}
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}
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pub fn print_wait_screen_on_alternate_window() {
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let screen = Screen::default();
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// by passing in 'true' the alternate screen will be in raw modes.
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if let Ok(ref mut alternate) = screen.enable_alternate_modes(true) {
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print_wait_screen(&mut alternate.screen);
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} // <- drop alternate screen; this will cause the alternate screen to drop.
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drop(screen); // <- drop screen; this will cause raw mode to be turned off.
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println!("Whe are back at the main screen");
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}
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fn main() {
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print_wait_screen_on_alternate_window();
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} |