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Add terminal_size_pixels() to expose terminal's pixel size

This commit is contained in:
rabite0 2019-07-06 18:08:57 +00:00 committed by Jeremy Soller
parent 7853c0251d
commit 574f863676
2 changed files with 13 additions and 2 deletions
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2
src/lib.rs
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@ -22,6 +22,8 @@ mod sys;
mod sys; mod sys;
pub use sys::size::terminal_size; pub use sys::size::terminal_size;
#[cfg(all(unix, not(target_os = "redox")))]
pub use sys::size::terminal_size_pixels;
pub use sys::tty::{is_tty, get_tty}; pub use sys::tty::{is_tty, get_tty};
mod async; mod async;

13
src/sys/unix/size.rs
View File

@ -7,8 +7,8 @@ use super::libc::{c_ushort, ioctl, STDOUT_FILENO, TIOCGWINSZ};
struct TermSize { struct TermSize {
row: c_ushort, row: c_ushort,
col: c_ushort, col: c_ushort,
_x: c_ushort, x: c_ushort,
_y: c_ushort, y: c_ushort,
} }
/// Get the size of the terminal. /// Get the size of the terminal.
pub fn terminal_size() -> io::Result<(u16, u16)> { pub fn terminal_size() -> io::Result<(u16, u16)> {
@ -18,3 +18,12 @@ pub fn terminal_size() -> io::Result<(u16, u16)> {
Ok((size.col as u16, size.row as u16)) Ok((size.col as u16, size.row as u16))
} }
} }
/// Get the size of the terminal, in pixels
pub fn terminal_size_pixels() -> io::Result<(u16, u16)> {
unsafe {
let mut size: TermSize = mem::zeroed();
cvt(ioctl(STDOUT_FILENO, TIOCGWINSZ.into(), &mut size as *mut _))?;
Ok((size.x as u16, size.y as u16))
}
}