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vim-patch:8.2.3012: when 'rightleft' is set the line number is drawn reversed (#14839)

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Problem:    When 'rightleft' is set the line number is sometimes drawn
            reversed.
Solution:   Adjust how space is handled. (Christian Brabandt, closes vim/vim#8389,
            closes vim/vim#8391)
29f0dc3689
This commit is contained in:
Jan Edmund Lazo
2021-06-17 22:00:26 -04:00
committed by GitHub
parent a03ffe1602
commit e2d3ad7bc4
2 changed files with 28 additions and 2 deletions
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5
src/nvim/screen.c
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@@ -2757,8 +2757,9 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
}
if (wp->w_p_rl) { // reverse line numbers
// like rl_mirror(), but keep the space at the end
char_u *p2 = skiptowhite(extra) - 1;
for (char_u *p1 = extra; p1 < p2; p1++, p2--) {
char_u *p2 = skipwhite(extra);
p2 = skiptowhite(p2) - 1;
for (char_u *p1 = skipwhite(extra); p1 < p2; p1++, p2--) {
const int t = *p1;
*p1 = *p2;
*p2 = t;

25
src/nvim/testdir/test_number.vim
View File

@@ -1,5 +1,6 @@
" Test for 'number' and 'relativenumber'
source check.vim
source view_util.vim
func s:screen_lines(start, end) abort
@@ -263,3 +264,27 @@ func Test_relativenumber_uninitialised()
redraw
bwipe!
endfunc
" Test for displaying line numbers with 'rightleft'
func Test_number_rightleft()
CheckFeature rightleft
new
setlocal number
setlocal rightleft
call setline(1, range(1, 1000))
normal! 9Gzt
redraw!
call assert_match('^\s\+9 9$', Screenline(1))
normal! 10Gzt
redraw!
call assert_match('^\s\+01 10$', Screenline(1))
normal! 100Gzt
redraw!
call assert_match('^\s\+001 100$', Screenline(1))
normal! 1000Gzt
redraw!
call assert_match('^\s\+0001 1000$', Screenline(1))
bw!
endfunc
" vim: shiftwidth=2 sts=2 expandtab