74 lines
2.0 KiB
Rust
74 lines
2.0 KiB
Rust
extern crate crossterm;
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use crossterm::style::Color;
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use crossterm::terminal::{self, ClearType};
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use crossterm::Crossterm;
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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(crossterm: &mut Crossterm) {
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let mut terminal = crossterm.terminal();
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let mut cursor = crossterm.cursor();
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terminal.clear(ClearType::All);
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cursor.goto(0, 0);
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cursor.hide();
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terminal.write(
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"Welcome to the wait screen.\n\
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Please wait a few seconds until we arrive back at the main screen.\n\
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Progress: ",
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);
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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
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.goto(10, 2)
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.print(crossterm.paint(format!("{} of the 5 items processed", i)).with(Color::Red).on(Color::Blue));
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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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stdout().flush();
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}
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/// print wait screen on alternate screen, then swich back.
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pub fn print_wait_screen_on_alternate_window() {
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let mut term = Crossterm::new();
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term.to_alternate_screen();
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term.write(b"test");
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print_wait_screen(&mut term);
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}
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/// some stress test switch from and to alternate screen.
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pub fn switch_between_main_and_alternate_screen() {
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{
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let mut term = Crossterm::new();
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let mut cursor = term.cursor();
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// create new alternate screen instance and switch to the alternate screen.
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let alternate = term.to_alternate_screen();
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{ cursor.goto(0, 0); }
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write!(term, "we are at the alternate screen!");
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thread::sleep(time::Duration::from_secs(3));
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term.to_main_screen();
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write!(term, "we are at the alternate screen!");
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thread::sleep(time::Duration::from_secs(3));
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term.to_alternate_screen();
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write!(term, "we are at the alternate screen!");
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thread::sleep(time::Duration::from_secs(3));
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} // <- Crossterm goes out of scope.
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println!("Whe are back at the main screen");
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}
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