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vim-patch:8.1.2214: too much is redrawn when 'cursorline' is set

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Problem:    Too much is redrawn when 'cursorline' is set.
Solution:   Don't do a complete redraw. (closes vim/vim#5079)
11a58af66f
This commit is contained in:
zeertzjq
2021-07-31 17:59:33 +08:00
parent 56b437a6c7
commit 68f0670dfc
3 changed files with 24 additions and 21 deletions
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19
src/nvim/change.c
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@@ -290,14 +290,21 @@ static void changed_common(linenr_T lnum, colnr_T col, linenr_T lnume,
set_topline(wp, wp->w_topline);
}
// Relative numbering may require updating more. Cursor line
// highlighting probably needs to be updated if it's below the
// change (or is using screenline highlighting).
if (wp->w_p_rnu
|| ((wp->w_p_cul && lnum <= wp->w_last_cursorline)
|| (wp->w_p_culopt_flags & CULOPT_SCRLINE))) {
// Relative numbering may require updating more.
if (wp->w_p_rnu) {
redraw_later(wp, SOME_VALID);
}
// Cursor line highlighting probably need to be updated with
// "VALID" if it's below the change.
// If the cursor line is inside the change we need to redraw more.
if (wp->w_p_cul) {
if (xtra == 0) {
redraw_later(wp, VALID);
} else if (lnum <= wp->w_last_cursorline) {
redraw_later(wp, SOME_VALID);
}
}
}
}