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fix(column): move sign sentinel after inserting/deleting lines (#20400)

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This commit is contained in:
zeertzjq
2022-09-29 15:48:39 +08:00
committed by GitHub
parent a80ab395aa
commit 1cf44d6f57
2 changed files with 123 additions and 17 deletions
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55
src/nvim/sign.c
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@@ -724,7 +724,27 @@ static void sign_list_placed(buf_T *rbuf, char *sign_group)
}
}
/// Adjust a placed sign for inserted/deleted lines.
/// Adjust or delete a placed sign for inserted/deleted lines.
///
/// @return the new line number of the sign, or 0 if the sign is in deleted lines.
static linenr_T sign_adjust_one(const linenr_T se_lnum, linenr_T line1, linenr_T line2,
linenr_T amount, linenr_T amount_after)
{
if (se_lnum < line1) {
// Ignore changes to lines after the sign
return se_lnum;
}
if (se_lnum > line2) {
// Lines inserted or deleted before the sign
return se_lnum + amount_after;
}
if (amount == MAXLNUM) { // sign in deleted lines
return 0;
}
return se_lnum + amount;
}
/// Adjust placed signs for inserted/deleted lines.
void sign_mark_adjust(linenr_T line1, linenr_T line2, linenr_T amount, linenr_T amount_after)
{
sign_entry_T *sign; // a sign in a b_signlist
@@ -735,9 +755,7 @@ void sign_mark_adjust(linenr_T line1, linenr_T line2, linenr_T amount, linenr_T
int is_fixed = 0;
int signcol = win_signcol_configured(curwin, &is_fixed);
bool delete = amount == MAXLNUM;
if (delete) {
if (amount == MAXLNUM) { // deleting
buf_signcols_del_check(curbuf, line1, line2);
}
@@ -745,11 +763,10 @@ void sign_mark_adjust(linenr_T line1, linenr_T line2, linenr_T amount, linenr_T
for (sign = curbuf->b_signlist; sign != NULL; sign = next) {
next = sign->se_next;
new_lnum = sign->se_lnum;
if (sign->se_lnum >= line1 && sign->se_lnum <= line2) {
if (!delete) {
new_lnum += amount;
} else if (!is_fixed || signcol >= 2) {
new_lnum = sign_adjust_one(sign->se_lnum, line1, line2, amount, amount_after);
if (new_lnum == 0) { // sign in deleted lines
if (!is_fixed || signcol >= 2) {
*lastp = next;
if (next) {
next->se_prev = last;
@@ -757,19 +774,23 @@ void sign_mark_adjust(linenr_T line1, linenr_T line2, linenr_T amount, linenr_T
xfree(sign);
continue;
}
} else if (sign->se_lnum > line2) {
new_lnum += amount_after;
}
// If the new sign line number is past the last line in the buffer,
// then don't adjust the line number. Otherwise, it will always be past
// the last line and will not be visible.
if (sign->se_lnum >= line1 && new_lnum <= curbuf->b_ml.ml_line_count) {
sign->se_lnum = new_lnum;
} else {
// If the new sign line number is past the last line in the buffer,
// then don't adjust the line number. Otherwise, it will always be past
// the last line and will not be visible.
if (new_lnum <= curbuf->b_ml.ml_line_count) {
sign->se_lnum = new_lnum;
}
}
last = sign;
lastp = &sign->se_next;
}
new_lnum = sign_adjust_one(curbuf->b_signcols.sentinel, line1, line2, amount, amount_after);
if (new_lnum != 0) {
curbuf->b_signcols.sentinel = new_lnum;
}
}
/// Find index of a ":sign" subcmd from its name.