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

102 lines
2.3 KiB
Rust

//!
//! Examples of actions that could be performed with the cursor.
//!
#![allow(dead_code)]
use crossterm::{cursor, Result};
/// Set the cursor to position X: 10, Y: 5 in the terminal.
fn goto() -> Result<()> {
// Get the cursor
let cursor = cursor();
// Set the cursor to position X: 10, Y: 5 in the terminal
cursor.goto(10, 5)?;
Ok(())
}
/// get the cursor position
fn pos() {
// Get the cursor
let cursor = cursor();
// get the cursor position.
let (x, y) = cursor.pos();
println!("{} {}", x, y);
}
/// Move the cursor 3 up | demonstration.
fn move_up() {
// Get the cursor
let mut cursor = cursor();
// Move the cursor to position 3 times to the up in the terminal
cursor.move_up(10);
}
/// Move the cursor 3 to the right | demonstration.
fn move_right() {
let mut cursor = cursor();
// Move the cursor to position 3 times to the right in the terminal
cursor.move_right(3);
}
/// Move the cursor 3 down | demonstration.
fn move_down() {
let mut cursor = cursor();
// Move the cursor to position 3 times to the down in the terminal
cursor.move_down(3);
}
/// Save and reset cursor position | demonstration..
fn save_and_reset_position() -> Result<()> {
let cursor = cursor();
// Goto X: 5 Y: 5
cursor.goto(5, 5)?;
// Safe cursor position: X: 5 Y: 5
cursor.save_position()?;
// Goto X: 5 Y: 20
cursor.goto(5, 20)?;
// Print at X: 5 Y: 20.
println!("Yea!");
// Reset back to X: 5 Y: 5.
cursor.reset_position()?;
// Print Back at X: 5 Y: 5.
println!("Back");
println!();
Ok(())
}
/// Hide cursor display | demonstration.
fn hide_cursor() -> Result<()> {
let cursor = cursor();
cursor.hide()
}
/// Show cursor display | demonstration.
fn show_cursor() -> Result<()> {
let cursor = cursor();
cursor.show()
}
/// Show cursor display, only works on certain terminals.| demonstration
fn blink_cursor(enable: bool) -> Result<()> {
let cursor = cursor();
cursor.blink(enable)
}
// cargo run --example cursor
fn main() -> Result<()> {
println!("Going to show cursor...");
show_cursor()?;
println!("Going to enable blinking cursor & sleep for 5s...");
blink_cursor(true)?;
std::thread::sleep(std::time::Duration::from_secs(5));
println!("Going to disable blinking cursor...");
blink_cursor(false)
}