add convenience constants & example

examples/test.rs

@@ -0,0 +1,46 @@
+#![warn(clippy::all, clippy::pedantic)]
+
+use std::{time::Duration, io};
+use neutuino::ansi::{COLORS_BG, COLORS_FG, STYLE_BOLD, STYLE_ITALIC, STYLE_RESET, STYLE_UNDERLINE, move_cursor_to_column, set_window_title};
+use neutuino::os::{enable_ansi, get_terminal_size};
+use neutuino::input::{poll_input, Event, KeyEvent};
+
+
+fn print_line_style_reset(string: &str) {
+    println!("{}{}{}", string, STYLE_RESET, move_cursor_to_column(0));
+}
+
+fn main() -> io::Result<()> {
+    let all_styles = format!("{STYLE_BOLD}{STYLE_ITALIC}{STYLE_UNDERLINE}");
+    let _raw_terminal = neutuino::os::RawTerminal::new()?;
+    enable_ansi()?;
+
+    println!("q to quit{}", move_cursor_to_column(0));
+    let next = |x: usize| (x + 1) % COLORS_FG.len();
+
+    let terminal_size = get_terminal_size()?;
+    let terminal_size_str = format!("{terminal_size:?}");
+    print!("{}", set_window_title(terminal_size_str).unwrap());
+
+    let mut counter = 0;
+
+    loop {
+        let mut input = Err(io::ErrorKind::Other.into());
+        while input.is_err() {
+            input = poll_input(Duration::new(1, 0));
+        }
+        let input = input.unwrap();
+        let string = format!("{input:?}");
+        print_line_style_reset(&format!(
+            "{all_styles}{}{}{string}",
+            COLORS_FG[counter],
+            COLORS_BG[next(counter)]
+        ));
+        // q to quit
+        if input == Event::Key(KeyEvent::Char('q')) {
+            break;
+        }
+        counter = next(counter);
+    }
+    Ok(())
+}