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vim-patch:8.2.4731: the changelist index is not remembered per buffer

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Problem:    The changelist index is not remembered per buffer.
Solution:   Keep the changelist index per window and buffer. (closes vim/vim#10135,
            closes vim/vim#2173)
db0ea7f2b0

Cherry-pick FOR_ALL_BUF_WININFO from patch 8.2.0500.
Cherry-pick test_changelist.vim change from patch 8.2.3795.
This commit is contained in:
zeertzjq
2022-07-23 09:15:31 +08:00
parent ed6bbc03af
commit 91c99eed54
5 changed files with 55 additions and 13 deletions
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24
src/nvim/eval/funcs.c
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@@ -2824,13 +2824,23 @@ static void f_getchangelist(typval_T *argvars, typval_T *rettv, FunPtr fptr)
list_T *const l = tv_list_alloc(buf->b_changelistlen);
tv_list_append_list(rettv->vval.v_list, l);
// The current window change list index tracks only the position in the
// current buffer change list. For other buffers, use the change list
// length as the current index.
tv_list_append_number(rettv->vval.v_list,
(buf == curwin->w_buffer)
? curwin->w_changelistidx
: buf->b_changelistlen);
// The current window change list index tracks only the position for the
// current buffer. For other buffers use the stored index for the current
// window, or, if that's not available, the change list length.
int changelistindex;
if (buf == curwin->w_buffer) {
changelistindex = curwin->w_changelistidx;
} else {
wininfo_T *wip;
FOR_ALL_BUF_WININFO(buf, wip) {
if (wip->wi_win == curwin) {
break;
}
}
changelistindex = wip != NULL ? wip->wi_changelistidx : buf->b_changelistlen;
}
tv_list_append_number(rettv->vval.v_list, (varnumber_T)changelistindex);
for (int i = 0; i < buf->b_changelistlen; i++) {
if (buf->b_changelist[i].mark.lnum == 0) {