// DisableEcho disables echo for the terminal connected to the given file descriptor.
// -- See http://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx
func DisableEcho(fd uintptr, state *State) error {
mode := state.mode
mode &^= winconsole.ENABLE_ECHO_INPUT
mode |= winconsole.ENABLE_PROCESSED_INPUT | winconsole.ENABLE_LINE_INPUT
// TODO(azlinux): Core code registers a goroutine to catch os.Interrupt and reset the terminal state.
return winconsole.SetConsoleMode(fd, mode)
}
// MakeRaw puts the terminal connected to the given file descriptor into raw
// mode and returns the previous state of the terminal so that it can be
// restored.
func MakeRaw(fd uintptr) (*State, error) {
state, err := SaveState(fd)
if err != nil {
return nil, err
}
// See
// -- https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx
// -- https://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx
mode := state.mode
// Disable these modes
mode &^= winconsole.ENABLE_ECHO_INPUT
mode &^= winconsole.ENABLE_LINE_INPUT
mode &^= winconsole.ENABLE_MOUSE_INPUT
mode &^= winconsole.ENABLE_WINDOW_INPUT
mode &^= winconsole.ENABLE_PROCESSED_INPUT
// Enable these modes
mode |= winconsole.ENABLE_EXTENDED_FLAGS
mode |= winconsole.ENABLE_INSERT_MODE
mode |= winconsole.ENABLE_QUICK_EDIT_MODE
err = winconsole.SetConsoleMode(fd, mode)
if err != nil {
return nil, err
}
return state, nil
}
// MakeRaw puts the terminal connected to the given file descriptor into raw
// mode and returns the previous state of the terminal so that it can be
// restored.
func MakeRaw(fd uintptr) (*State, error) {
var state *State
state, err := SaveState(fd)
if err != nil {
return nil, err
}
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx
// All three input modes, along with processed output mode, are designed to work together.
// It is best to either enable or disable all of these modes as a group.
// When all are enabled, the application is said to be in "cooked" mode, which means that most of the processing is handled for the application.
// When all are disabled, the application is in "raw" mode, which means that input is unfiltered and any processing is left to the application.
state.mode = 0
err = winconsole.SetConsoleMode(fd, state.mode)
if err != nil {
return nil, err
}
return state, nil
}
// RestoreTerminal restores the terminal connected to the given file descriptor to a
// previous state.
func RestoreTerminal(fd uintptr, state *State) error {
return winconsole.SetConsoleMode(fd, state.mode)
}
// DisableEcho disbales the echo for given file descriptor and returns previous state
// see http://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx for these flag settings
func DisableEcho(fd uintptr, state *State) error {
state.mode &^= (winconsole.ENABLE_ECHO_INPUT)
state.mode |= (winconsole.ENABLE_PROCESSED_INPUT | winconsole.ENABLE_LINE_INPUT)
return winconsole.SetConsoleMode(fd, state.mode)
}
