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libedit: Try to map <Delete> to ed-delete-next-char.

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This adds a new "arrow" key "delete" corresponding to the kD termcap value.
It only works if that is a sequence such as "\033[3~"; if it is "\177", the
em-delete-prev-char or ed-delete-prev-char from the single-character
mappings remains. It turns out that most terminals (xterm and alikes,
syscons in xterm mode) produce "\033[3~" by default so <Delete> has the
expected effect.

This also means that things need to be considerably misconfigured for
<Backspace> to perform a <Delete> action.
This commit is contained in:
Jilles Tjoelker 2010-09-05 16:12:10 +00:00
parent 3037e5d20a
commit b3c63ff614
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=212235
2 changed files with 10 additions and 2 deletions
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9
lib/libedit/term.c
View file

@ -223,7 +223,9 @@ private const struct termcapstr {
{ "kh", "send cursor home" },
#define T_at7 37
{ "@7", "send cursor end" },
#define T_str 38
#define T_kD 38
{ "kD", "send cursor delete" },
#define T_str 39
{ NULL, NULL }
};
@ -1062,6 +1064,11 @@ term_init_arrow(EditLine *el)
arrow[A_K_EN].key = T_at7;
arrow[A_K_EN].fun.cmd = ED_MOVE_TO_END;
arrow[A_K_EN].type = XK_CMD;
arrow[A_K_DE].name = "delete";
arrow[A_K_DE].key = T_kD;
arrow[A_K_DE].fun.cmd = ED_DELETE_NEXT_CHAR;
arrow[A_K_DE].type = XK_CMD;
}

3
lib/libedit/term.h
View file

@ -79,7 +79,8 @@ typedef struct {
#define A_K_RT 3
#define A_K_HO 4
#define A_K_EN 5
#define A_K_NKEYS 6
#define A_K_DE 6
#define A_K_NKEYS 7
protected void term_move_to_line(EditLine *, int);
protected void term_move_to_char(EditLine *, int);