| // +build darwin freebsd linux solaris |
| |
| package console |
| |
| import ( |
| "golang.org/x/sys/unix" |
| ) |
| |
| func tcget(fd uintptr, p *unix.Termios) error { |
| termios, err := unix.IoctlGetTermios(int(fd), cmdTcGet) |
| if err != nil { |
| return err |
| } |
| *p = *termios |
| return nil |
| } |
| |
| func tcset(fd uintptr, p *unix.Termios) error { |
| return unix.IoctlSetTermios(int(fd), cmdTcSet, p) |
| } |
| |
| func tcgwinsz(fd uintptr) (WinSize, error) { |
| var ws WinSize |
| |
| uws, err := unix.IoctlGetWinsize(int(fd), unix.TIOCGWINSZ) |
| if err != nil { |
| return ws, err |
| } |
| |
| // Translate from unix.Winsize to console.WinSize |
| ws.Height = uws.Row |
| ws.Width = uws.Col |
| ws.x = uws.Xpixel |
| ws.y = uws.Ypixel |
| return ws, nil |
| } |
| |
| func tcswinsz(fd uintptr, ws WinSize) error { |
| // Translate from console.WinSize to unix.Winsize |
| |
| var uws unix.Winsize |
| uws.Row = ws.Height |
| uws.Col = ws.Width |
| uws.Xpixel = ws.x |
| uws.Ypixel = ws.y |
| |
| return unix.IoctlSetWinsize(int(fd), unix.TIOCSWINSZ, &uws) |
| } |
| |
| func setONLCR(fd uintptr, enable bool) error { |
| var termios unix.Termios |
| if err := tcget(fd, &termios); err != nil { |
| return err |
| } |
| if enable { |
| // Set +onlcr so we can act like a real terminal |
| termios.Oflag |= unix.ONLCR |
| } else { |
| // Set -onlcr so we don't have to deal with \r. |
| termios.Oflag &^= unix.ONLCR |
| } |
| return tcset(fd, &termios) |
| } |
| |
| func cfmakeraw(t unix.Termios) unix.Termios { |
| t.Iflag &^= (unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON) |
| t.Oflag &^= unix.OPOST |
| t.Lflag &^= (unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN) |
| t.Cflag &^= (unix.CSIZE | unix.PARENB) |
| t.Cflag &^= unix.CS8 |
| t.Cc[unix.VMIN] = 1 |
| t.Cc[unix.VTIME] = 0 |
| |
| return t |
| } |
