diff options
Diffstat (limited to 'rltty.c')
| -rw-r--r-- | rltty.c | 149 |
1 files changed, 104 insertions, 45 deletions
@@ -186,6 +186,8 @@ static int set_tty_settings PARAMS((int, TIOTYPE *)); static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *)); +static void set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t)); + static void save_tty_chars (tiop) TIOTYPE *tiop; @@ -400,6 +402,9 @@ static int set_tty_settings PARAMS((int, TIOTYPE *)); static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *)); +static void set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t)); +static void _rl_bind_tty_special_chars PARAMS((Keymap, TIOTYPE)); + #if defined (FLUSHO) # define OUTPUT_BEING_FLUSHED(tp) (tp->c_lflag & FLUSHO) #else @@ -652,7 +657,10 @@ rl_prep_terminal (meta_flag) otio = tio; + rl_tty_unset_default_bindings (_rl_keymap); save_tty_chars (&otio); + RL_SETSTATE(RL_STATE_TTYCSAVED); + _rl_bind_tty_special_chars (_rl_keymap, tio); prepare_terminal_settings (meta_flag, otio, &tio); @@ -776,70 +784,97 @@ rl_stop_output (count, key) /* */ /* **************************************************************** */ -/* Set the system's default editing characters to their readline equivalents - in KMAP. Should be static, now that we have rl_tty_set_default_bindings. */ -void -rltty_set_default_bindings (kmap) - Keymap kmap; -{ - TIOTYPE ttybuff; - int tty = fileno (rl_instream); +#define SET_SPECIAL(sc, func) set_special_char(kmap, &ttybuff, sc, func) #if defined (NEW_TTY_DRIVER) +static void +set_special_char (kmap, tiop, sc, func) + Keymap kmap; + TIOTYPE *tiop; + int sc; + rl_command_func_t *func; +{ + if (sc != -1 && kmap[(unsigned char)sc].type == ISFUNC) + kmap[(unsigned char)sc].function = func; +} -#define SET_SPECIAL(sc, func) \ - do \ - { \ - int ic; \ - ic = sc; \ - if (ic != -1 && kmap[(unsigned char)ic].type == ISFUNC) \ - kmap[(unsigned char)ic].function = func; \ - } \ - while (0) +#define RESET_SPECIAL(c) \ + if (c != -1 && kmap[(unsigned char)c].type == ISFUNC) + kmap[(unsigned char)c].function = rl_insert; - if (get_tty_settings (tty, &ttybuff) == 0) +static void +_rl_bind_tty_special_chars (kmap, ttybuff) + Keymap kmap; + TIOTYPE ttybuff; +{ + if (ttybuff.flags & SGTTY_SET) { - if (ttybuff.flags & SGTTY_SET) - { - SET_SPECIAL (ttybuff.sgttyb.sg_erase, rl_rubout); - SET_SPECIAL (ttybuff.sgttyb.sg_kill, rl_unix_line_discard); - } + SET_SPECIAL (ttybuff.sgttyb.sg_erase, rl_rubout); + SET_SPECIAL (ttybuff.sgttyb.sg_kill, rl_unix_line_discard); + } # if defined (TIOCGLTC) - if (ttybuff.flags & LTCHARS_SET) - { - SET_SPECIAL (ttybuff.ltchars.t_werasc, rl_unix_word_rubout); - SET_SPECIAL (ttybuff.ltchars.t_lnextc, rl_quoted_insert); - } -# endif /* TIOCGLTC */ + if (ttybuff.flags & LTCHARS_SET) + { + SET_SPECIAL (ttybuff.ltchars.t_werasc, rl_unix_word_rubout); + SET_SPECIAL (ttybuff.ltchars.t_lnextc, rl_quoted_insert); } +# endif /* TIOCGLTC */ +} #else /* !NEW_TTY_DRIVER */ +static void +set_special_char (kmap, tiop, sc, func) + Keymap kmap; + TIOTYPE *tiop; + int sc; + rl_command_func_t *func; +{ + unsigned char uc; -#define SET_SPECIAL(sc, func) \ - do \ - { \ - unsigned char uc; \ - uc = ttybuff.c_cc[sc]; \ - if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC) \ - kmap[uc].function = func; \ - } \ - while (0) + uc = tiop->c_cc[sc]; + if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC) + kmap[uc].function = func; +} - if (get_tty_settings (tty, &ttybuff) == 0) - { - SET_SPECIAL (VERASE, rl_rubout); - SET_SPECIAL (VKILL, rl_unix_line_discard); +/* used later */ +#define RESET_SPECIAL(uc) \ + if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC) \ + kmap[uc].function = rl_insert; + +static void +_rl_bind_tty_special_chars (kmap, ttybuff) + Keymap kmap; + TIOTYPE ttybuff; +{ + SET_SPECIAL (VERASE, rl_rubout); + SET_SPECIAL (VKILL, rl_unix_line_discard); # if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER) - SET_SPECIAL (VLNEXT, rl_quoted_insert); + SET_SPECIAL (VLNEXT, rl_quoted_insert); # endif /* VLNEXT && TERMIOS_TTY_DRIVER */ # if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER) - SET_SPECIAL (VWERASE, rl_unix_word_rubout); + SET_SPECIAL (VWERASE, rl_unix_word_rubout); # endif /* VWERASE && TERMIOS_TTY_DRIVER */ - } +} + #endif /* !NEW_TTY_DRIVER */ + +/* Set the system's default editing characters to their readline equivalents + in KMAP. Should be static, now that we have rl_tty_set_default_bindings. */ +void +rltty_set_default_bindings (kmap) + Keymap kmap; +{ + TIOTYPE ttybuff; + int tty; + static int called = 0; + + tty = fileno (rl_instream); + + if (get_tty_settings (tty, &ttybuff) == 0) + _rl_bind_tty_special_chars (kmap, ttybuff); } /* New public way to set the system default editing chars to their readline @@ -851,6 +886,30 @@ rl_tty_set_default_bindings (kmap) rltty_set_default_bindings (kmap); } +/* Rebind all of the tty special chars that readline worries about back + to self-insert. Call this before saving the current terminal special + chars with save_tty_chars(). This only works on POSIX termios or termio + systems. */ +void +rl_tty_unset_default_bindings (kmap) + Keymap kmap; +{ + /* Don't bother before we've saved the tty special chars at least once. */ + if (RL_ISSTATE(RL_STATE_TTYCSAVED) == 0) + return; + + RESET_SPECIAL (_rl_tty_chars.t_erase); + RESET_SPECIAL (_rl_tty_chars.t_kill); + +# if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER) + RESET_SPECIAL (_rl_tty_chars.t_lnext); +# endif /* VLNEXT && TERMIOS_TTY_DRIVER */ + +# if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER) + RESET_SPECIAL (_rl_tty_chars.t_werase); +# endif /* VWERASE && TERMIOS_TTY_DRIVER */ +} + #if defined (HANDLE_SIGNALS) #if defined (NEW_TTY_DRIVER) |