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viu
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Drop wasi checks 

Crossterm fails to compile for wasi, hence there is no hope for viu to
do so
This commit is contained in:
atanunq 2021-06-22 23:14:24 +03:00
parent 4a29bfb561
commit 0dc1f37fb9
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GPG Key ID: 628280A0217A7B0F
1 changed files with 31 additions and 37 deletions
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68
src/app.rs
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@ -17,31 +17,28 @@ pub fn run(mut conf: Config) -> ViuResult {
let (tx_ctrlc, rx_print) = mpsc::channel();
let (tx_print, rx_ctrlc) = mpsc::channel();
#[cfg(not(target_os = "wasi"))]
{
//handle Ctrl-C in order to clean up after ourselves
ctrlc::set_handler(move || {
//if ctrlc is received tell the infinite gif loop to stop drawing
// or stop the next file from being drawn
tx_ctrlc
.send(true)
.expect("Could not send signal to stop drawing.");
//a message will be received when that has happened so we can clear leftover symbols
let _ = rx_ctrlc
.recv()
.expect("Could not receive signal to clean up terminal.");
//handle Ctrl-C in order to clean up after ourselves
ctrlc::set_handler(move || {
//if ctrlc is received tell the infinite gif loop to stop drawing
// or stop the next file from being drawn
tx_ctrlc
.send(true)
.expect("Could not send signal to stop drawing.");
//a message will be received when that has happened so we can clear leftover symbols
let _ = rx_ctrlc
.recv()
.expect("Could not receive signal to clean up terminal.");
if let Err(e) = execute!(stdout(), Clear(ClearType::FromCursorDown)) {
if e.kind() == ErrorKind::BrokenPipe {
//Do nothing. Output is probably piped to `head` or a similar tool
} else {
panic!("{}", e);
}
if let Err(e) = execute!(stdout(), Clear(ClearType::FromCursorDown)) {
if e.kind() == ErrorKind::BrokenPipe {
//Do nothing. Output is probably piped to `head` or a similar tool
} else {
panic!("{}", e);
}
std::process::exit(0);
})
.map_err(|_| Error::new(ErrorKind::Other, "Could not setup Ctrl-C handler."))?;
}
}
std::process::exit(0);
})
.map_err(|_| Error::new(ErrorKind::Other, "Could not setup Ctrl-C handler."))?;
//TODO: handle multiple files
//read stdin if only one parameter is passed and it is "-"
@ -182,21 +179,18 @@ fn try_print_gif<R: Read>(conf: &Config, input_stream: R, (tx, rx): TxRx) -> Viu
break 'infinite;
}
#[cfg(not(target_os = "wasi"))]
{
thread::sleep(match conf.frame_duration {
None => *delay,
Some(duration) => duration,
});
thread::sleep(match conf.frame_duration {
None => *delay,
Some(duration) => duration,
});
//if ctrlc is received then respond so the handler can clear the
// terminal from leftover colors
if rx.try_recv().is_ok() {
return tx.send(true).map_err(|_| {
Error::new(ErrorKind::Other, "Could not send signal to clean up.").into()
});
};
}
//if ctrlc is received then respond so the handler can clear the
// terminal from leftover colors
if rx.try_recv().is_ok() {
return tx.send(true).map_err(|_| {
Error::new(ErrorKind::Other, "Could not send signal to clean up.").into()
});
};
//keep replacing old pixels as the gif goes on so that scrollback
// buffer is not filled (do not do that if it is the last frame of the gif