bubbletea/signals_unix.go

28 lines
579 B
Go

// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package tea
import (
"os"
"os/signal"
"syscall"
"golang.org/x/term"
)
// listenForResize sends messages (or errors) when the terminal resizes.
// Argument output should be the file descriptor for the terminal; usually
// os.Stdout.
func listenForResize(output *os.File, msgs chan Msg, errs chan error) {
sig := make(chan os.Signal, 1)
signal.Notify(sig, syscall.SIGWINCH)
for {
<-sig
w, h, err := term.GetSize(int(output.Fd()))
if err != nil {
errs <- err
}
msgs <- WindowSizeMsg{w, h}
}
}