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author | Jesse Luehrs <doy@tozt.net> | 2020-07-16 03:43:20 -0400 |
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committer | Jesse Luehrs <doy@tozt.net> | 2020-07-16 03:43:20 -0400 |
commit | 06e90f8e12f207b65df99e93b6a6ef27c999a137 (patch) | |
tree | 6421223fab19a1e229301b2c393403352a0fbc46 /src/pty.rs | |
parent | 667878c1e186907b57b22b07b9f6d0e3ef76252a (diff) | |
download | pty-process-06e90f8e12f207b65df99e93b6a6ef27c999a137.tar.gz pty-process-06e90f8e12f207b65df99e93b6a6ef27c999a137.zip |
allow setting the terminal size
Diffstat (limited to 'src/pty.rs')
-rw-r--r-- | src/pty.rs | 62 |
1 files changed, 58 insertions, 4 deletions
@@ -1,6 +1,49 @@ use crate::error::*; -use std::os::unix::io::{FromRawFd as _, IntoRawFd as _}; +use std::os::unix::io::{AsRawFd as _, FromRawFd as _, IntoRawFd as _}; + +pub struct Size { + row: u16, + col: u16, + xpixel: u16, + ypixel: u16, +} + +impl Size { + pub fn new(row: u16, col: u16) -> Self { + Self { + row, + col, + xpixel: 0, + ypixel: 0, + } + } + + pub fn new_with_pixel( + row: u16, + col: u16, + xpixel: u16, + ypixel: u16, + ) -> Self { + Self { + row, + col, + xpixel, + ypixel, + } + } +} + +impl From<Size> for nix::pty::Winsize { + fn from(size: Size) -> Self { + Self { + ws_row: size.row, + ws_col: size.col, + ws_xpixel: size.xpixel, + ws_ypixel: size.ypixel, + } + } +} pub struct Pty { pt: std::fs::File, @@ -29,11 +72,22 @@ impl Pty { &self.pt } - pub fn pts(&self) -> Result<std::fs::File> { - Ok(std::fs::OpenOptions::new() + pub fn pts(&self, size: Option<Size>) -> Result<std::fs::File> { + let fh = std::fs::OpenOptions::new() .read(true) .write(true) .open(&self.ptsname) - .map_err(|e| Error::OpenPts(self.ptsname.clone(), e))?) + .map_err(|e| Error::OpenPts(self.ptsname.clone(), e))?; + let fd = fh.as_raw_fd(); + if let Some(size) = size { + let size = size.into(); + unsafe { + set_term_size(fd, &size as *const nix::pty::Winsize) + .map_err(Error::SetTermSize)?; + } + } + Ok(fh) } } + +nix::ioctl_write_ptr_bad!(set_term_size, libc::TIOCSWINSZ, nix::pty::Winsize); |