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lineedit: add support for M-b, M-f, M-d, M-Backspace

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function                                             old     new   delta
ctrl_left                                              -      96     +96
ctrl_right                                             -      76     +76
static.esccmds                                        81      93     +12
read_line_input                                     3876    3885      +9
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 2/0 up/down: 193/0)             Total: 193 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2011-11-03 13:28:22 +01:00
parent 45cdf166dc
commit 9ce09bc9cb
3 changed files with 77 additions and 20 deletions
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11
libbb/read_key.c
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@@ -40,13 +40,14 @@ int64_t FAST_FUNC read_key(int fd, char *buffer, int timeout)
'[','C' |0x80,KEYCODE_RIGHT ,
'[','D' |0x80,KEYCODE_LEFT ,
/* ESC [ 1 ; 2 x, where x = A/B/C/D: Shift-<arrow> */
/* ESC [ 1 ; 3 x, where x = A/B/C/D: Alt-<arrow> */
/* ESC [ 1 ; 3 x, where x = A/B/C/D: Alt-<arrow> - implemented below */
/* 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> */
'[','H' |0x80,KEYCODE_HOME , /* xterm */
/* [ESC] ESC [ [2] H - [Alt-][Shift-]Home */
'[','F' |0x80,KEYCODE_END , /* xterm */
/* [ESC] ESC [ [2] H - [Alt-][Shift-]Home (End similarly?) */
/* '[','Z' |0x80,KEYCODE_SHIFT_TAB, */
'[','1','~' |0x80,KEYCODE_HOME , /* vt100? linux vt? or what? */
'[','2','~' |0x80,KEYCODE_INSERT ,
/* ESC [ 2 ; 3 ~ - Alt-Insert */
@@ -86,8 +87,12 @@ int64_t FAST_FUNC read_key(int fd, char *buffer, int timeout)
/* '[','1',';','5','B' |0x80,KEYCODE_CTRL_DOWN , - unused */
'[','1',';','5','C' |0x80,KEYCODE_CTRL_RIGHT,
'[','1',';','5','D' |0x80,KEYCODE_CTRL_LEFT ,
/* '[','1',';','3','A' |0x80,KEYCODE_ALT_UP , - unused */
/* '[','1',';','3','B' |0x80,KEYCODE_ALT_DOWN , - unused */
'[','1',';','3','C' |0x80,KEYCODE_ALT_RIGHT,
'[','1',';','3','D' |0x80,KEYCODE_ALT_LEFT ,
/* '[','3',';','3','~' |0x80,KEYCODE_ALT_DELETE, - unused */
0
/* ESC [ Z - Shift-Tab */
};
pfd.fd = fd;