diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cli_readline.c | 98 |
1 files changed, 67 insertions, 31 deletions
diff --git a/common/cli_readline.c b/common/cli_readline.c index c1476e42d9..ecded11ca3 100644 --- a/common/cli_readline.c +++ b/common/cli_readline.c @@ -283,46 +283,82 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len, * handle standard linux xterm esc sequences for arrow key, etc. */ if (esc_len != 0) { + enum { ESC_REJECT, ESC_SAVE, ESC_CONVERTED } act = ESC_REJECT; + if (esc_len == 1) { - if (ichar == '[') { - esc_save[esc_len] = ichar; - esc_len = 2; - } else { - cread_add_str(esc_save, esc_len, - insert, &num, &eol_num, - buf, *len); - esc_len = 0; + if (ichar == '[' || ichar == 'O') + act = ESC_SAVE; + } else if (esc_len == 2) { + switch (ichar) { + case 'D': /* <- key */ + ichar = CTL_CH('b'); + act = ESC_CONVERTED; + break; /* pass off to ^B handler */ + case 'C': /* -> key */ + ichar = CTL_CH('f'); + act = ESC_CONVERTED; + break; /* pass off to ^F handler */ + case 'H': /* Home key */ + ichar = CTL_CH('a'); + act = ESC_CONVERTED; + break; /* pass off to ^A handler */ + case 'F': /* End key */ + ichar = CTL_CH('e'); + act = ESC_CONVERTED; + break; /* pass off to ^E handler */ + case 'A': /* up arrow */ + ichar = CTL_CH('p'); + act = ESC_CONVERTED; + break; /* pass off to ^P handler */ + case 'B': /* down arrow */ + ichar = CTL_CH('n'); + act = ESC_CONVERTED; + break; /* pass off to ^N handler */ + case '1': + case '3': + case '4': + case '7': + case '8': + if (esc_save[1] == '[') { + /* see if next character is ~ */ + act = ESC_SAVE; + } + break; + } + } else if (esc_len == 3) { + if (ichar == '~') { + switch (esc_save[2]) { + case '3': /* Delete key */ + ichar = CTL_CH('d'); + act = ESC_CONVERTED; + break; /* pass to ^D handler */ + case '1': /* Home key */ + case '7': + ichar = CTL_CH('a'); + act = ESC_CONVERTED; + break; /* pass to ^A handler */ + case '4': /* End key */ + case '8': + ichar = CTL_CH('e'); + act = ESC_CONVERTED; + break; /* pass to ^E handler */ + } } - continue; } - switch (ichar) { - case 'D': /* <- key */ - ichar = CTL_CH('b'); - esc_len = 0; - break; - case 'C': /* -> key */ - ichar = CTL_CH('f'); - esc_len = 0; - break; /* pass off to ^F handler */ - case 'H': /* Home key */ - ichar = CTL_CH('a'); - esc_len = 0; - break; /* pass off to ^A handler */ - case 'A': /* up arrow */ - ichar = CTL_CH('p'); - esc_len = 0; - break; /* pass off to ^P handler */ - case 'B': /* down arrow */ - ichar = CTL_CH('n'); - esc_len = 0; - break; /* pass off to ^N handler */ - default: + switch (act) { + case ESC_SAVE: + esc_save[esc_len++] = ichar; + continue; + case ESC_REJECT: esc_save[esc_len++] = ichar; cread_add_str(esc_save, esc_len, insert, &num, &eol_num, buf, *len); esc_len = 0; continue; + case ESC_CONVERTED: + esc_len = 0; + break; } } |