updated for version 7.4.680
Problem: CTRL-W in Insert mode does not work well for multi-byte
characters.
Solution: Use mb_get_class(). (Yasuhiro Matsumoto)
diff --git a/src/edit.c b/src/edit.c
index 9f7f1d6..75fe691 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -9047,72 +9047,94 @@
/*
* 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