97 lines
1.8 KiB
Rust
97 lines
1.8 KiB
Rust
#![allow(clippy::cognitive_complexity)]
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use std::io::{self, Write};
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pub use crossterm::{
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cursor,
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event::{self, Event, KeyCode, KeyEvent},
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execute, queue, style,
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terminal::{self, ClearType},
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Command, Result,
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};
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#[macro_use]
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mod macros;
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mod test;
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const MENU: &str = r#"Crossterm interactive test
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Controls:
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- 'q' - quit interactive test (or return to this menu)
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- any other key - continue with next step
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Available tests:
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1. cursor
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2. color (foreground, background)
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3. attributes (bold, italic, ...)
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4. input
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Select test to run ('1', '2', ...) or hit 'q' to quit.
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"#;
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fn run<W>(w: &mut W) -> Result<()>
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where
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W: Write,
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{
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execute!(w, terminal::EnterAlternateScreen)?;
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terminal::enable_raw_mode()?;
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loop {
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queue!(
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w,
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style::ResetColor,
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terminal::Clear(ClearType::All),
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cursor::Hide,
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cursor::MoveTo(1, 1)
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)?;
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for line in MENU.split('\n') {
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queue!(w, style::Print(line), cursor::MoveToNextLine(1))?;
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}
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w.flush()?;
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match read_char()? {
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'1' => test::cursor::run(w)?,
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'2' => test::color::run(w)?,
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'3' => test::attribute::run(w)?,
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'4' => test::event::run(w)?,
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'q' => break,
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_ => {}
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};
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}
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execute!(
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w,
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style::ResetColor,
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cursor::Show,
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terminal::LeaveAlternateScreen
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)?;
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terminal::disable_raw_mode()
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}
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pub fn read_char() -> Result<char> {
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loop {
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if let Ok(Event::Key(KeyEvent {
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code: KeyCode::Char(c),
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..
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})) = event::read()
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{
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return Ok(c);
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}
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}
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}
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pub fn buffer_size() -> Result<(u16, u16)> {
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terminal::size()
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}
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fn main() -> Result<()> {
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let mut stdout = io::stdout();
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run(&mut stdout)
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}
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