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vim-patch:9.1.1136: Match highlighting marks a buffer region as changed (#32561)

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Problem:  Match highlighting marks a buffer region to be redrawn as if
          its buffer text was changed, unnecessarily invoking syntax code.
Solution: Set the `w_redraw_top/bot` variables instead of the b_mod_* ones
          (Luuk van Baal)

7bbb0f357e
This commit is contained in:
luukvbaal
2025-02-23 09:35:26 +01:00
committed by GitHub
parent 1c81734871
commit 5a41f7e69c
3 changed files with 31 additions and 61 deletions
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28
src/nvim/match.c
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@@ -190,19 +190,7 @@ static int match_add(win_T *wp, const char *const grp, const char *const pat, in
// Calculate top and bottom lines for redrawing area
if (toplnum != 0) {
if (wp->w_buffer->b_mod_set) {
if (wp->w_buffer->b_mod_top > toplnum) {
wp->w_buffer->b_mod_top = toplnum;
}
if (wp->w_buffer->b_mod_bot < botlnum) {
wp->w_buffer->b_mod_bot = botlnum;
}
} else {
wp->w_buffer->b_mod_set = true;
wp->w_buffer->b_mod_top = toplnum;
wp->w_buffer->b_mod_bot = botlnum;
wp->w_buffer->b_mod_xlines = 0;
}
redraw_win_range_later(wp, toplnum, botlnum);
m->mit_toplnum = toplnum;
m->mit_botlnum = botlnum;
rtype = UPD_VALID;
@@ -268,19 +256,7 @@ static int match_delete(win_T *wp, int id, bool perr)
vim_regfree(cur->mit_match.regprog);
xfree(cur->mit_pattern);
if (cur->mit_toplnum != 0) {
if (wp->w_buffer->b_mod_set) {
if (wp->w_buffer->b_mod_top > cur->mit_toplnum) {
wp->w_buffer->b_mod_top = cur->mit_toplnum;
}
if (wp->w_buffer->b_mod_bot < cur->mit_botlnum) {
wp->w_buffer->b_mod_bot = cur->mit_botlnum;
}
} else {
wp->w_buffer->b_mod_set = true;
wp->w_buffer->b_mod_top = cur->mit_toplnum;
wp->w_buffer->b_mod_bot = cur->mit_botlnum;
wp->w_buffer->b_mod_xlines = 0;
}
redraw_win_range_later(wp, cur->mit_toplnum, cur->mit_botlnum);
rtype = UPD_VALID;
}
xfree(cur->mit_pos_array);