56 lines
1.5 KiB
Rust
56 lines
1.5 KiB
Rust
extern crate crossterm;
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use crossterm::{style, AlternateScreen, ClearType, Color, Crossterm};
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use std::io::{self, stdout, Write};
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use std::{thread, time};
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fn print_wait_screen() -> io::Result<()> {
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let crossterm = Crossterm::new();
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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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println!("Welcome to the wait screen.");
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cursor.goto(0, 1)?;
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println!("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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println!("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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print!(
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"{}",
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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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);
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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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Ok(())
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}
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pub fn print_wait_screen_on_alternate_window() -> io::Result<()> {
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// by passing in 'true' the alternate screen will be in raw modes.
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if let Ok(_alternate) = AlternateScreen::to_alternate(true) {
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print_wait_screen()?;
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} // <- drop alternate screen; this will cause the alternate screen to drop.
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Ok(())
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}
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fn main() {
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print_wait_screen_on_alternate_window().unwrap();
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}
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