diff options
Diffstat (limited to 'src/getchar.c')
| -rw-r--r-- | src/getchar.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/getchar.c b/src/getchar.c index 1c544da634..0a37b7b111 100644 --- a/src/getchar.c +++ b/src/getchar.c @@ -96,6 +96,9 @@ static void closescript(void); static void updatescript(int c); static int vgetorpeek(int); static int inchar(char_u *buf, int maxlen, long wait_time); +#ifdef FEAT_EVAL +static int do_key_input_pre(int c); +#endif /* * Free and clear a buffer. @@ -2130,6 +2133,10 @@ vgetc(void) } #endif +#ifdef FEAT_EVAL + c = do_key_input_pre(c); +#endif + // Need to process the character before we know it's safe to do something // else. if (c != K_IGNORE) @@ -2138,6 +2145,74 @@ vgetc(void) return c; } +#ifdef FEAT_EVAL +/* + * Handle the InsertCharPre autocommand. + * "c" is the character that was typed. + * Return new input character. + */ + static int +do_key_input_pre(int c) +{ + int res = c; + char_u buf[MB_MAXBYTES + 1]; + char_u curr_mode[MODE_MAX_LENGTH]; + int save_State = State; + save_v_event_T save_v_event; + dict_T *v_event; + + // Return quickly when there is nothing to do. + if (!has_keyinputpre()) + return res; + + if (IS_SPECIAL(c)) + { + buf[0] = K_SPECIAL; + buf[1] = KEY2TERMCAP0(c); + buf[2] = KEY2TERMCAP1(c); + buf[3] = NUL; + } + else + buf[(*mb_char2bytes)(c, buf)] = NUL; + + get_mode(curr_mode); + + // Lock the text to avoid weird things from happening. + ++textlock; + set_vim_var_string(VV_CHAR, buf, -1); // set v:char + + v_event = get_v_event(&save_v_event); + (void)dict_add_bool(v_event, "typed", KeyTyped); + + if (apply_autocmds(EVENT_KEYINPUTPRE, curr_mode, curr_mode, FALSE, curbuf) + && STRCMP(buf, get_vim_var_str(VV_CHAR)) != 0) + { + // Get the value of v:char. It may be empty or more than one + // character. Only use it when changed, otherwise continue with the + // original character. + char_u *v_char; + + v_char = get_vim_var_str(VV_CHAR); + + // Convert special bytes when it is special string. + if (STRLEN(v_char) >= 3 && v_char[0] == K_SPECIAL) + res = TERMCAP2KEY(v_char[1], v_char[2]); + else if (STRLEN(v_char) > 0) + res = PTR2CHAR(v_char); + } + + restore_v_event(v_event, &save_v_event); + + set_vim_var_string(VV_CHAR, NULL, -1); // clear v:char + --textlock; + + // Restore the State, it may have been changed. + State = save_State; + + return res; +} +#endif + /* * Like vgetc(), but never return a NUL when called recursively, get a key * directly from the user (ignoring typeahead). |