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vim-patch:9.0.1828: cursor wrong with virt text before double-width char (#24967)

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Problem:  Wrong cursor position with virtual text before double-width
          char at window edge.
Solution: Check for double-width char before adding virtual text size.

closes: vim/vim#12977

ac2d8815ae
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zeertzjq 2023-09-01 06:45:27 +08:00 committed by GitHub
parent a1bec02c1e
commit 592a8f1e90
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2 changed files with 15 additions and 2 deletions
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4
src/nvim/plines.c
View File

@ -216,6 +216,7 @@ int win_lbr_chartabsize(chartabsize_T *cts, int *headp)
if (*s == NUL && !has_lcs_eol) {
size = 0; // NUL is not displayed
}
bool is_doublewidth = size == 2 && MB_BYTE2LEN((uint8_t)(*s)) > 1;
if (cts->cts_has_virt_text) {
int tab_size = size;
@ -247,8 +248,7 @@ int win_lbr_chartabsize(chartabsize_T *cts, int *headp)
}
}
if (size == 2 && MB_BYTE2LEN((uint8_t)(*s)) > 1
&& wp->w_p_wrap && in_win_border(wp, vcol)) {
if (is_doublewidth && wp->w_p_wrap && in_win_border(wp, vcol + size - 2)) {
// Count the ">" in the last column.
size++;
mb_added = 1;

13
test/functional/ui/decorations_spec.lua
View File

@ -3244,6 +3244,19 @@ describe('decorations: inline virtual text', function()
|
]]}
end)
it('before double-width char that wraps', function()
exec([[
call setline(1, repeat('a', 40) .. '口' .. '12345')
normal! $
]])
meths.buf_set_extmark(0, ns, 0, 40, { virt_text = { { ('b'):rep(9) } }, virt_text_pos = 'inline' })
screen:expect{grid=[[
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbb{1:>}|
口1234^5 |
|
]]}
end)
end)
describe('decorations: virtual lines', function()