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fix(terminal): scrollback delete lines immediately #18832

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* on_scrollback_option_changed renamed to adjust_scrollback. The
  function name did not correspond to what it was doing. It is
  called unconditionally in every refresh of the terminal
  unrelated if the scrollback option was changed.
* new on_scrollback_option_changed function, which calls
  refresh_terminal, which then calls adjust_scrollback
* terminal_check_size is not the appropriate function to call when the
  option is changed since it only conditionally adjusts the scrollback.
  Use the new on_scrollback_option_changed

fixes #15477
fixes #11811
This commit is contained in:
Javier Lopez
2022-06-08 19:46:57 -05:00
committed by GitHub
parent 10291bb854
commit 916d848049
3 changed files with 44 additions and 6 deletions
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6
src/nvim/option.c
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@@ -4544,9 +4544,9 @@ static char *set_num_option(int opt_idx, char_u *varp, long value, char *errbuf,
check_colorcolumn(wp);
}
} else if (pp == &curbuf->b_p_scbk || pp == &p_scbk) {
if (curbuf->terminal) {
// Force the scrollback to take effect.
terminal_check_size(curbuf->terminal);
if (curbuf->terminal && value < old_value) {
// Force the scrollback to take immediate effect only when decreasing it.
on_scrollback_option_changed(curbuf->terminal);
}
} else if (pp == &curwin->w_p_nuw) {
curwin->w_nrwidth_line_count = 0;