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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2012-06-11 14:40:17 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2012-06-11 14:40:17 +0200 |
| commit | 0ccae4d8b379d310213a4e911670070b7030482d (patch) | |
| tree | fd0ee166eadf614dea4c97127c79ca4d642fdaac | |
| parent | d3dff879f0683c2a4119f694c1b20c96ee030a26 (diff) | |
| download | busybox-0ccae4d8b379d310213a4e911670070b7030482d.tar.gz | |
Add comments in keyboard escape sequences table
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | libbb/read_key.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/libbb/read_key.c b/libbb/read_key.c index 8d72d2a63..ace23defb 100644 --- a/libbb/read_key.c +++ b/libbb/read_key.c @@ -15,7 +15,10 @@ int64_t FAST_FUNC read_key(int fd, char *buffer, int timeout) const char *seq; int n; - /* Known escape sequences for cursor and function keys */ + /* Known escape sequences for cursor and function keys. + * See "Xterm Control Sequences" + * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html + */ static const char esccmds[] ALIGN1 = { 'O','A' |0x80,KEYCODE_UP , 'O','B' |0x80,KEYCODE_DOWN , @@ -44,6 +47,8 @@ int64_t FAST_FUNC read_key(int fd, char *buffer, int timeout) /* ESC [ 1 ; 4 x, where x = A/B/C/D: Alt-Shift-<arrow> */ /* ESC [ 1 ; 5 x, where x = A/B/C/D: Ctrl-<arrow> - implemented below */ /* ESC [ 1 ; 6 x, where x = A/B/C/D: Ctrl-Shift-<arrow> */ + /* ESC [ 1 ; 7 x, where x = A/B/C/D: Ctrl-Alt-<arrow> */ + /* ESC [ 1 ; 8 x, where x = A/B/C/D: Ctrl-Alt-Shift-<arrow> */ '[','H' |0x80,KEYCODE_HOME , /* xterm */ '[','F' |0x80,KEYCODE_END , /* xterm */ /* [ESC] ESC [ [2] H - [Alt-][Shift-]Home (End similarly?) */ @@ -64,10 +69,10 @@ int64_t FAST_FUNC read_key(int fd, char *buffer, int timeout) '[','7','~' |0x80,KEYCODE_HOME , /* vt100? linux vt? or what? */ '[','8','~' |0x80,KEYCODE_END , /* vt100? linux vt? or what? */ #if 0 - '[','1','1','~'|0x80,KEYCODE_FUN1 , - '[','1','2','~'|0x80,KEYCODE_FUN2 , - '[','1','3','~'|0x80,KEYCODE_FUN3 , - '[','1','4','~'|0x80,KEYCODE_FUN4 , + '[','1','1','~'|0x80,KEYCODE_FUN1 , /* old xterm, deprecated by ESC O P */ + '[','1','2','~'|0x80,KEYCODE_FUN2 , /* old xterm... */ + '[','1','3','~'|0x80,KEYCODE_FUN3 , /* old xterm... */ + '[','1','4','~'|0x80,KEYCODE_FUN4 , /* old xterm... */ '[','1','5','~'|0x80,KEYCODE_FUN5 , /* [ESC] ESC [ 1 5 [;2] ~ - [Alt-][Shift-]F5 */ '[','1','7','~'|0x80,KEYCODE_FUN6 , |