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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
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(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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46
include/libbb.h
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@@ -1358,25 +1358,37 @@ enum {
KEYCODE_DELETE = -9,
KEYCODE_PAGEUP = -10,
KEYCODE_PAGEDOWN = -11,
KEYCODE_CTRL_UP = KEYCODE_UP & ~0x40,
KEYCODE_CTRL_DOWN = KEYCODE_DOWN & ~0x40,
// -12 is reserved for Alt/Ctrl/Shift-TAB
#if 0
KEYCODE_FUN1 = -13,
KEYCODE_FUN2 = -14,
KEYCODE_FUN3 = -15,
KEYCODE_FUN4 = -16,
KEYCODE_FUN5 = -17,
KEYCODE_FUN6 = -18,
KEYCODE_FUN7 = -19,
KEYCODE_FUN8 = -20,
KEYCODE_FUN9 = -21,
KEYCODE_FUN10 = -22,
KEYCODE_FUN11 = -23,
KEYCODE_FUN12 = -24,
#endif
/* Be sure that last defined value is small enough
* to not interfere with Alt/Ctrl/Shift bits.
* So far we do not exceed -31 (0xfff..fffe1),
* which gives us three upper bits in LSB to play with.
*/
//KEYCODE_SHIFT_TAB = (-12) & ~0x80,
//KEYCODE_SHIFT_... = KEYCODE_... & ~0x80,
//KEYCODE_CTRL_UP = KEYCODE_UP & ~0x40,
//KEYCODE_CTRL_DOWN = KEYCODE_DOWN & ~0x40,
KEYCODE_CTRL_RIGHT = KEYCODE_RIGHT & ~0x40,
KEYCODE_CTRL_LEFT = KEYCODE_LEFT & ~0x40,
#if 0
KEYCODE_FUN1 = -12,
KEYCODE_FUN2 = -13,
KEYCODE_FUN3 = -14,
KEYCODE_FUN4 = -15,
KEYCODE_FUN5 = -16,
KEYCODE_FUN6 = -17,
KEYCODE_FUN7 = -18,
KEYCODE_FUN8 = -19,
KEYCODE_FUN9 = -20,
KEYCODE_FUN10 = -21,
KEYCODE_FUN11 = -22,
KEYCODE_FUN12 = -23,
#endif
//KEYCODE_ALT_UP = KEYCODE_UP & ~0x20,
//KEYCODE_ALT_DOWN = KEYCODE_DOWN & ~0x20,
KEYCODE_ALT_RIGHT = KEYCODE_RIGHT & ~0x20,
KEYCODE_ALT_LEFT = KEYCODE_LEFT & ~0x20,
KEYCODE_CURSOR_POS = -0x100, /* 0xfff..fff00 */
/* How long is the longest ESC sequence we know?
* We want it big enough to be able to contain