Beispiel #1
0
func (s *Screen) Init() error {
	var err error
	ttyIn, err = os.OpenFile("/dev/tty", os.O_RDWR, 0666)
	if err != nil {
		return err
	}
	ttyOut, err = os.OpenFile("/dev/tty", os.O_RDONLY, 0666)
	if err != nil {
		return err
	}

	orig = new(syscall.Termios)
	err = tcgetattr(ttyIn.Fd(), orig)
	if err != nil {
		return err
	}

	tios := new(syscall.Termios)
	*tios = *orig
	tios.Iflag &= ^uint32(syscall.ECHO | syscall.ICANON | syscall.IEXTEN | syscall.ISIG)
	tios.Iflag &= ^uint32(syscall.BRKINT | syscall.ICRNL | syscall.ISTRIP | syscall.IXON)
	tios.Cflag &= ^uint32(syscall.CSIZE | syscall.PARENB)
	tios.Cflag |= syscall.CS8
	tios.Oflag &= ^uint32(syscall.OPOST)
	tios.Cc[syscall.VMIN] = 1
	tios.Cc[syscall.VTIME] = 0
	err = tcsetattr(ttyIn.Fd(), tios)
	if err != nil {
		return err
	}
	s.HideCursor()
	s.Clear()
	return nil
}
Beispiel #2
0
func (i *iflagSetter) Set(pty *os.File, termios *syscall.Termios, value uint32) error {
	if value == 0 {
		termios.Iflag &^= i.Flag
	} else {
		termios.Iflag |= i.Flag
	}
	return SetAttr(pty, termios)
}
Beispiel #3
0
// Cfmakeraw modifies attr for raw mode.
func Cfmakeraw(attr *syscall.Termios) {
	attr.Iflag &^= syscall.BRKINT | syscall.ICRNL | syscall.INPCK | syscall.ISTRIP | syscall.IXON
	attr.Oflag &^= syscall.OPOST
	attr.Cflag &^= syscall.CSIZE | syscall.PARENB
	attr.Cflag |= syscall.CS8
	attr.Lflag &^= syscall.ECHO | syscall.ICANON | syscall.IEXTEN | syscall.ISIG
	attr.Cc[syscall.VMIN] = 1
	attr.Cc[syscall.VTIME] = 0
}
Beispiel #4
0
// returns non-canonical mode term for keybind
func rawModeTerm(term syscall.Termios) syscall.Termios {
	term.Iflag &= syscall.IGNCR  // ignore received CR
	term.Lflag ^= syscall.ICANON // disable canonical mode
	term.Lflag ^= syscall.ECHO   // disable echo of input
	term.Lflag ^= syscall.ISIG   // disable signal
	term.Cc[syscall.VMIN] = 1    // number of bytes to read()
	term.Cc[syscall.VTIME] = 0   // timeout of read()
	return term
}
func setTermSettingsParity(parity Parity, settings *syscall.Termios) error {
	switch parity {
	case PARITY_NONE:
		settings.Cflag &= ^termiosMask(syscall.PARENB | syscall.PARODD | tc_CMSPAR)
		settings.Iflag &= ^termiosMask(syscall.INPCK)
	case PARITY_ODD:
		settings.Cflag |= termiosMask(syscall.PARENB | syscall.PARODD)
		settings.Cflag &= ^termiosMask(tc_CMSPAR)
		settings.Iflag |= termiosMask(syscall.INPCK)
	case PARITY_EVEN:
		settings.Cflag &= ^termiosMask(syscall.PARODD | tc_CMSPAR)
		settings.Cflag |= termiosMask(syscall.PARENB)
		settings.Iflag |= termiosMask(syscall.INPCK)
	case PARITY_MARK:
		settings.Cflag |= termiosMask(syscall.PARENB | syscall.PARODD | tc_CMSPAR)
		settings.Iflag |= termiosMask(syscall.INPCK)
	case PARITY_SPACE:
		settings.Cflag &= ^termiosMask(syscall.PARODD)
		settings.Cflag |= termiosMask(syscall.PARENB | tc_CMSPAR)
		settings.Iflag |= termiosMask(syscall.INPCK)
	}
	return nil
}
Beispiel #6
0
func setRawMode(settings *syscall.Termios) {
	// Set local mode
	settings.Cflag |= termiosMask(syscall.CREAD | syscall.CLOCAL)

	// Set raw mode
	settings.Lflag &= ^termiosMask(syscall.ICANON | syscall.ECHO | syscall.ECHOE | syscall.ECHOK |
		syscall.ECHONL | syscall.ECHOCTL | syscall.ECHOPRT | syscall.ECHOKE | syscall.ISIG | syscall.IEXTEN)
	settings.Iflag &= ^termiosMask(syscall.IXON | syscall.IXOFF | syscall.IXANY | syscall.INPCK |
		syscall.IGNPAR | syscall.PARMRK | syscall.ISTRIP | syscall.IGNBRK | syscall.BRKINT | syscall.INLCR |
		syscall.IGNCR | syscall.ICRNL | tcIUCLC)
	settings.Oflag &= ^termiosMask(syscall.OPOST)

	// Block reads until at least one char is available (no timeout)
	settings.Cc[syscall.VMIN] = 1
	settings.Cc[syscall.VTIME] = 0
}
func setRawMode(settings *syscall.Termios, mode *Mode) {
	// Set local mode
	settings.Cflag |= termiosMask(syscall.CREAD | syscall.CLOCAL)

	// Set raw mode
	settings.Lflag &= ^termiosMask(syscall.ICANON | syscall.ECHO | syscall.ECHOE | syscall.ECHOK |
		syscall.ECHONL | syscall.ECHOCTL | syscall.ECHOPRT | syscall.ECHOKE | syscall.ISIG | syscall.IEXTEN)
	settings.Iflag &= ^termiosMask(syscall.IXON | syscall.IXOFF | syscall.IXANY | syscall.INPCK |
		syscall.IGNPAR | syscall.PARMRK | syscall.ISTRIP | syscall.IGNBRK | syscall.BRKINT | syscall.INLCR |
		syscall.IGNCR | syscall.ICRNL | tc_IUCLC)
	settings.Oflag &= ^termiosMask(syscall.OPOST)

	if mode.Vmin == 0 && mode.Vtimeout == 0 {
		// Switch to default mode
		// Block reads until at least one char is available (no timeout)
		mode.Vmin = 1
	}

	settings.Cc[syscall.VMIN] = mode.Vmin
	settings.Cc[syscall.VTIME] = mode.Vtimeout
}
Beispiel #8
-1
func setTermSettingsParity(parity Parity, settings *syscall.Termios) error {
	switch parity {
	case NoParity:
		settings.Cflag &= ^termiosMask(syscall.PARENB | syscall.PARODD | tcCMSPAR)
		settings.Iflag &= ^termiosMask(syscall.INPCK)
	case OddParity:
		settings.Cflag |= termiosMask(syscall.PARENB | syscall.PARODD)
		settings.Cflag &= ^termiosMask(tcCMSPAR)
		settings.Iflag |= termiosMask(syscall.INPCK)
	case EvenParity:
		settings.Cflag &= ^termiosMask(syscall.PARODD | tcCMSPAR)
		settings.Cflag |= termiosMask(syscall.PARENB)
		settings.Iflag |= termiosMask(syscall.INPCK)
	case MarkParity:
		settings.Cflag |= termiosMask(syscall.PARENB | syscall.PARODD | tcCMSPAR)
		settings.Iflag |= termiosMask(syscall.INPCK)
	case SpaceParity:
		settings.Cflag &= ^termiosMask(syscall.PARODD)
		settings.Cflag |= termiosMask(syscall.PARENB | tcCMSPAR)
		settings.Iflag |= termiosMask(syscall.INPCK)
	}
	return nil
}