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updated for version 7.4.680

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Problem:    CTRL-W in Insert mode does not work well for multi-byte
            characters.
Solution:   Use mb_get_class(). (Yasuhiro Matsumoto)
This commit is contained in:
Bram Moolenaar
2015-03-24 17:49:51 +01:00
parent 6383b92d8c
commit 310f2d59b2
8 changed files with 87 additions and 56 deletions
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132
src/edit.c
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@@ -9047,72 +9047,94 @@ ins_bs(c, mode, inserted_space_p)
/*
* Delete upto starting point, start of line or previous word.
*/
else do
else
{
#ifdef FEAT_RIGHTLEFT
if (!revins_on) /* put cursor on char to be deleted */
#endif
dec_cursor();
#ifdef FEAT_MBYTE
int cclass = 0, prev_cclass = 0;
/* start of word? */
if (mode == BACKSPACE_WORD && !vim_isspace(gchar_cursor()))
{
mode = BACKSPACE_WORD_NOT_SPACE;
temp = vim_iswordc(gchar_cursor());
}
/* end of word? */
else if (mode == BACKSPACE_WORD_NOT_SPACE
&& (vim_isspace(cc = gchar_cursor())
|| vim_iswordc(cc) != temp))
{
#ifdef FEAT_RIGHTLEFT
if (!revins_on)
if (has_mbyte)
cclass = mb_get_class(ml_get_cursor());
#endif
inc_cursor();
do
{
#ifdef FEAT_RIGHTLEFT
else if (State & REPLACE_FLAG)
if (!revins_on) /* put cursor on char to be deleted */
#endif
dec_cursor();
#endif
break;
}
if (State & REPLACE_FLAG)
replace_do_bs(-1);
else
{
cc = gchar_cursor();
#ifdef FEAT_MBYTE
if (enc_utf8 && p_deco)
(void)utfc_ptr2char(ml_get_cursor(), cpc);
#endif
(void)del_char(FALSE);
#ifdef FEAT_MBYTE
/*
* If there are combining characters and 'delcombine' is set
* move the cursor back. Don't back up before the base
* character.
*/
if (enc_utf8 && p_deco && cpc[0] != NUL)
inc_cursor();
#endif
#ifdef FEAT_RIGHTLEFT
if (revins_chars)
/* look multi-byte character class */
if (has_mbyte)
{
revins_chars--;
revins_legal++;
prev_cclass = cclass;
cclass = mb_get_class(ml_get_cursor());
}
if (revins_on && gchar_cursor() == NUL)
break;
#endif
}
/* Just a single backspace?: */
if (mode == BACKSPACE_CHAR)
break;
} while (
/* start of word? */
if (mode == BACKSPACE_WORD && !vim_isspace(cc))
{
mode = BACKSPACE_WORD_NOT_SPACE;
temp = vim_iswordc(cc);
}
/* end of word? */
else if (mode == BACKSPACE_WORD_NOT_SPACE
&& ((vim_isspace(cc) || vim_iswordc(cc) != temp)
#ifdef FEAT_MBYTE
|| prev_cclass != cclass
#endif
))
{
#ifdef FEAT_RIGHTLEFT
revins_on ||
if (!revins_on)
#endif
(curwin->w_cursor.col > mincol
&& (curwin->w_cursor.lnum != Insstart_orig.lnum
|| curwin->w_cursor.col != Insstart_orig.col)));
inc_cursor();
#ifdef FEAT_RIGHTLEFT
else if (State & REPLACE_FLAG)
dec_cursor();
#endif
break;
}
if (State & REPLACE_FLAG)
replace_do_bs(-1);
else
{
#ifdef FEAT_MBYTE
if (enc_utf8 && p_deco)
(void)utfc_ptr2char(ml_get_cursor(), cpc);
#endif
(void)del_char(FALSE);
#ifdef FEAT_MBYTE
/*
* If there are combining characters and 'delcombine' is set
* move the cursor back. Don't back up before the base
* character.
*/
if (enc_utf8 && p_deco && cpc[0] != NUL)
inc_cursor();
#endif
#ifdef FEAT_RIGHTLEFT
if (revins_chars)
{
revins_chars--;
revins_legal++;
}
if (revins_on && gchar_cursor() == NUL)
break;
#endif
}
/* Just a single backspace?: */
if (mode == BACKSPACE_CHAR)
break;
} while (
#ifdef FEAT_RIGHTLEFT
revins_on ||
#endif
(curwin->w_cursor.col > mincol
&& (curwin->w_cursor.lnum != Insstart_orig.lnum
|| curwin->w_cursor.col != Insstart_orig.col)));
}
did_backspace = TRUE;
}
#ifdef FEAT_SMARTINDENT