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fix(ui): avoid ambiguity about chunk that clears part of line (#24982)

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Co-authored-by: bfredl <bjorn.linse@gmail.com>
This commit is contained in:
zeertzjq
2023-09-02 18:50:12 +08:00
committed by GitHub
parent bb1df1221d
commit 0c86828ac5
2 changed files with 33 additions and 7 deletions
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6
src/nvim/api/ui.c
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@@ -830,6 +830,7 @@ void remote_ui_raw_line(UI *ui, Integer grid, Integer row, Integer startcol, Int
size_t ncells = (size_t)(endcol - startcol);
int last_hl = -1;
uint32_t nelem = 0;
bool was_space = false;
for (size_t i = 0; i < ncells; i++) {
repeat++;
if (i == ncells - 1 || attrs[i] != attrs[i + 1]
@@ -868,9 +869,12 @@ void remote_ui_raw_line(UI *ui, Integer grid, Integer row, Integer startcol, Int
data->ncells_pending += MIN(repeat, 2);
last_hl = attrs[i];
repeat = 0;
was_space = strequal(chunk[i], " ");
}
}
if (endcol < clearcol) {
// If the last chunk was all spaces, add a clearing chunk even if there are
// no more cells to clear, so there is no ambiguity about what to clear.
if (endcol < clearcol || was_space) {
nelem++;
data->ncells_pending += 1;
mpack_array(buf, 3);