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patch 8.2.3073: when cursor is move for block append wrong text is inserted

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Problem:    When cursor is move for block append wrong text is inserted.
Solution:   Calculate an offset. (Christian Brabandt, closes #8433,
            closes #8288)
This commit is contained in:
Bram Moolenaar
2021-06-29 18:54:35 +02:00
parent 7d7bcc6ba0
commit 4067bd3604
4 changed files with 100 additions and 25 deletions
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69
src/ops.c
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@@ -545,6 +545,8 @@ block_insert(
spaces -= off;
count -= off;
}
if (spaces < 0) // can happen when the cursor was moved
spaces = 0;
newp = alloc(STRLEN(oldp) + s_len + count + 1);
if (newp == NULL)
@@ -1455,6 +1457,9 @@ op_insert(oparg_T *oap, long count1)
struct block_def bd;
int i;
pos_T t1;
pos_T start_insert;
// offset when cursor was moved in insert mode
int offset = 0;
// edit() changes this - record it for OP_APPEND
bd.is_MAX = (curwin->w_curswant == MAXCOL);
@@ -1526,6 +1531,7 @@ op_insert(oparg_T *oap, long count1)
}
t1 = oap->start;
start_insert = curwin->w_cursor;
(void)edit(NUL, FALSE, (linenr_T)count1);
// When a tab was inserted, and the characters in front of the tab
@@ -1564,30 +1570,38 @@ op_insert(oparg_T *oap, long count1)
if (oap->start.lnum == curbuf->b_op_start_orig.lnum
&& !bd.is_MAX && !did_indent)
{
if (oap->op_type == OP_INSERT
&& oap->start.col + oap->start.coladd
!= curbuf->b_op_start_orig.col
+ curbuf->b_op_start_orig.coladd)
int t = getviscol2(curbuf->b_op_start_orig.col,
curbuf->b_op_start_orig.coladd);
if (!bd.is_MAX)
{
int t = getviscol2(curbuf->b_op_start_orig.col,
curbuf->b_op_start_orig.coladd);
oap->start.col = curbuf->b_op_start_orig.col;
pre_textlen -= t - oap->start_vcol;
oap->start_vcol = t;
if (oap->op_type == OP_INSERT
&& oap->start.col + oap->start.coladd
!= curbuf->b_op_start_orig.col
+ curbuf->b_op_start_orig.coladd)
{
oap->start.col = curbuf->b_op_start_orig.col;
pre_textlen -= t - oap->start_vcol;
oap->start_vcol = t;
}
else if (oap->op_type == OP_APPEND
&& oap->end.col + oap->end.coladd
>= curbuf->b_op_start_orig.col
+ curbuf->b_op_start_orig.coladd)
{
oap->start.col = curbuf->b_op_start_orig.col;
// reset pre_textlen to the value of OP_INSERT
pre_textlen += bd.textlen;
pre_textlen -= t - oap->start_vcol;
oap->start_vcol = t;
oap->op_type = OP_INSERT;
}
}
else if (oap->op_type == OP_APPEND
&& oap->end.col + oap->end.coladd
>= curbuf->b_op_start_orig.col
+ curbuf->b_op_start_orig.coladd)
else if (bd.is_MAX && oap->op_type == OP_APPEND)
{
int t = getviscol2(curbuf->b_op_start_orig.col,
curbuf->b_op_start_orig.coladd);
oap->start.col = curbuf->b_op_start_orig.col;
// reset pre_textlen to the value of OP_INSERT
pre_textlen += bd.textlen;
pre_textlen -= t - oap->start_vcol;
oap->start_vcol = t;
oap->op_type = OP_INSERT;
}
}
@@ -1617,13 +1631,28 @@ op_insert(oparg_T *oap, long count1)
len = STRLEN(firstline);
add = bd.textcol;
if (oap->op_type == OP_APPEND)
{
add += bd.textlen;
// account for pressing cursor in insert mode when '$' was used
if (bd.is_MAX
&& (start_insert.lnum == Insstart.lnum
&& start_insert.col > Insstart.col))
{
offset = (start_insert.col - Insstart.col);
add -= offset;
if (oap->end_vcol > offset)
oap->end_vcol -= (offset + 1);
else
// moved outside of the visual block, what to do?
return;
}
}
if ((size_t)add > len)
firstline += len; // short line, point to the NUL
else
firstline += add;
if (pre_textlen >= 0
&& (ins_len = (long)STRLEN(firstline) - pre_textlen) > 0)
if (pre_textlen >= 0 && (ins_len =
(long)STRLEN(firstline) - pre_textlen - offset) > 0)
{
ins_text = vim_strnsave(firstline, ins_len);
if (ins_text != NULL)