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fix(ui): fix multi-byte characters highlight in virtual text

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This also fixes insert cursor position around virtual text

vim-patch:9.0.0132: multi-byte characters in virtual text not handled correctly

Problem:    Multi-byte characters in virtual text not handled correctly.
Solution:   Count screen cells instead of bytes.

09ff4b54fb
This commit is contained in:
Ibby 2023-03-19 20:31:52 +11:00 committed by bfredl
parent 389f5ca39d
commit 0c7fa3bdcc
3 changed files with 82 additions and 10 deletions
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6
src/nvim/charset.c
View File

@ -1079,8 +1079,10 @@ void getvcol(win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *en
}
if (cursor != NULL) {
// cursor is after inserted text
vcol += cts.cts_cur_text_width;
if ((State & MODE_INSERT) == 0) {
// cursor is after inserted text
vcol += cts.cts_cur_text_width;
}
if ((*ptr == TAB)
&& (State & MODE_NORMAL)
&& !wp->w_p_list

2
src/nvim/drawline.c
View File

@ -1824,7 +1824,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool nochange,
wlv.c_extra = NUL;
wlv.c_final = NUL;
wlv.extra_attr = vtc.hl_id ? syn_id2attr(vtc.hl_id) : 0;
n_attr = wlv.n_extra;
n_attr = mb_charlen(vtc.text);
extmark_attr = 0;
virt_inline_i++;
}

84
test/functional/ui/decorations_spec.lua
View File

@ -1254,7 +1254,7 @@ end]]
{ virt_text = { { ' virtual text ', 'Special' } }, virt_text_pos = 'inline' })
feed '^'
feed '4l'
screen:expect { grid = [[
screen:expect { grid = [[
1234{28: virtual text virtual text }^5678 |
{1:~ }|
{1:~ }|
@ -1274,12 +1274,12 @@ end]]
end)
it('adjusts cursor location correctly when inserting around inline virtual text', function()
insert('12345678')
feed '$'
meths.buf_set_extmark(0, ns, 0, 4,
insert('12345678')
feed '$'
meths.buf_set_extmark(0, ns, 0, 4,
{ virt_text = { { ' virtual text ', 'Special' } }, virt_text_pos = 'inline' })
screen:expect { grid = [[
screen:expect { grid = [[
1234{28: virtual text }567^8 |
{1:~ }|
{1:~ }|
@ -1295,8 +1295,78 @@ end]]
{1:~ }|
{1:~ }|
|
]]
}
]]}
end)
it('has correct highlighting with multi-byte characters in inline virtual text', function()
insert('12345678')
meths.buf_set_extmark(0, ns, 0, 4,
{ virt_text = { { 'múlti-byté chñröcters 修补', 'Special' } }, virt_text_pos = 'inline' })
screen:expect { grid = [[
1234{28:múlti-byté chñröcters 修补}567^8 |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]]}
end)
it('has correct cursor position when inserting around virtual text', function()
insert('12345678')
meths.buf_set_extmark(0, ns, 0, 4,
{ virt_text = { { 'virtual text', 'Special' } }, virt_text_pos = 'inline' })
feed '^'
feed '3l'
feed 'a'
screen:expect { grid = [[
1234{28:^virtual text}5678 |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{24:-- INSERT --} |
]]}
feed '<ESC>'
feed '^'
feed '4l'
feed 'i'
screen:expect { grid = [[
1234{28:^virtual text}5678 |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{24:-- INSERT --} |
]]}
end)
end)