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vim-patch:9.0.0179: cursor pos wrong with wrapping virtual text in empty line

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Problem:    Cursor position wrong with wrapping virtual text in empty line.
Solution:   Adjust handling of an empty line. (closes vim/vim#10875)

49a90792d9

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
Ibby
2023-03-26 14:49:09 +11:00
committed by bfredl
parent 8eaf3c4f8c
commit 43c2eaada2
3 changed files with 125 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/nvim/charset.c
View File

@@ -989,6 +989,7 @@ void getvcol(win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *en
}
chartabsize_T cts;
bool on_NUL = false;
init_chartabsize_arg(&cts, wp, pos->lnum, 0, line, line);
// This function is used very often, do some speed optimizations.
@@ -1054,6 +1055,10 @@ void getvcol(win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *en
if (*cts.cts_ptr == NUL) {
// NUL at end of line only takes one column
incr = 1;
if (cts.cts_cur_text_width > 0) {
incr = cts.cts_cur_text_width;
}
on_NUL = true;
break;
}
@@ -1079,8 +1084,8 @@ void getvcol(win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *en
}
if (cursor != NULL) {
if ((State & MODE_INSERT) == 0) {
// cursor is after inserted text
if ((State & MODE_INSERT) == 0 && !on_NUL) {
// cursor is after inserted text, unless on the NUL
vcol += cts.cts_cur_text_width;
}
if ((*ptr == TAB)

42
src/nvim/plines.c
View File

@@ -102,12 +102,16 @@ int plines_win_nofold(win_T *wp, linenr_T lnum)
char *s;
unsigned col;
int width;
chartabsize_T cts;
s = ml_get_buf(wp->w_buffer, lnum, false);
if (*s == NUL) { // empty line
return 1;
init_chartabsize_arg(&cts, wp, lnum, 0, s, s);
if (*s == NUL && !cts.cts_has_virt_text) {
return 1; // be quick for an empty line
}
col = win_linetabsize(wp, lnum, s, MAXCOL);
win_linetabsize_cts(&cts, (colnr_T)MAXCOL);
clear_chartabsize_arg(&cts);
col = (unsigned)cts.cts_vcol;
// If list mode is on, then the '$' at the end of the line may take up one
// extra column.
@@ -262,6 +266,11 @@ int linetabsize_col(int startcol, char *s)
while (*cts.cts_ptr != NUL) {
cts.cts_vcol += lbr_chartabsize_adv(&cts);
}
if (cts.cts_has_virt_text && cts.cts_ptr == cts.cts_line) {
// check for virtual text in an empty line
(void)lbr_chartabsize_adv(&cts);
cts.cts_vcol += cts.cts_cur_text_width;
}
clear_chartabsize_arg(&cts);
return cts.cts_vcol;
}
@@ -277,10 +286,7 @@ unsigned win_linetabsize(win_T *wp, linenr_T lnum, char *line, colnr_T len)
{
chartabsize_T cts;
init_chartabsize_arg(&cts, wp, lnum, 0, line, line);
for (; *cts.cts_ptr != NUL && (len == MAXCOL || cts.cts_ptr < line + len);
MB_PTR_ADV(cts.cts_ptr)) {
cts.cts_vcol += win_lbr_chartabsize(&cts, NULL);
}
win_linetabsize_cts(&cts, len);
clear_chartabsize_arg(&cts);
return (unsigned)cts.cts_vcol;
}
@@ -292,6 +298,20 @@ unsigned linetabsize(win_T *wp, linenr_T lnum)
return win_linetabsize(wp, lnum, ml_get_buf(wp->w_buffer, lnum, false), (colnr_T)MAXCOL);
}
void win_linetabsize_cts(chartabsize_T *cts, colnr_T len)
{
for (; *cts->cts_ptr != NUL && (len == MAXCOL || cts->cts_ptr < cts->cts_line + len);
MB_PTR_ADV(cts->cts_ptr)) {
cts->cts_vcol += win_lbr_chartabsize(cts, NULL);
}
// check for a virtual text on an empty line
if (cts->cts_has_virt_text && *cts->cts_ptr == NUL
&& cts->cts_ptr == cts->cts_line) {
(void)win_lbr_chartabsize(cts, NULL);
cts->cts_vcol += cts->cts_cur_text_width;
}
}
/// Prepare the structure passed to chartabsize functions.
///
/// "line" is the start of the line, "ptr" is the first relevant character.
@@ -390,14 +410,16 @@ int win_lbr_chartabsize(chartabsize_T *cts, int *headp)
// First get normal size, without 'linebreak' or virtual text
int size = win_chartabsize(wp, s, vcol);
if (cts->cts_has_virt_text && *line != NUL) {
if (cts->cts_has_virt_text) {
int charlen = *s == NUL ? 1 : utf_ptr2len(s);
int col = (int)(s - line);
while (true) {
mtkey_t mark = marktree_itr_current(cts->cts_iter);
if (mark.pos.row != cts->cts_row || mark.pos.col > col) {
break;
} else if (mark.pos.col
== col) { // TODO(bfredl): or maybe unconditionally, what if byte-misaligned?
} else if (mark.pos.col >= col
&& mark.pos.col < col + charlen) { // TODO(bfredl): or maybe unconditionally, what
// if byte-misaligned?
if (!mt_end(mark)) {
Decoration decor = get_decor(mark);
if (decor.virt_text_pos == kVTInline) {

86
test/functional/ui/decorations_spec.lua
View File

@@ -1390,6 +1390,92 @@ end]]
|
]]}
end)
it('text is drawn correctly when inserting a wrapping virtual text on an empty line', function()
feed('o<esc>')
insert([[aaaaaaa
bbbbbbb]])
meths.buf_set_extmark(0, ns, 0, 0,
{ virt_text = { { string.rep('X', 51), 'Special' } }, virt_text_pos = 'inline' })
meths.buf_set_extmark(0, ns, 2, 0,
{ virt_text = { { string.rep('X', 50), 'Special' } }, virt_text_pos = 'inline' })
feed('gg0')
screen:expect { grid = [[
{28:^XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX}|
{28:X} |
aaaaaaa |
{28:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX}|
bbbbbbb |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]]}
feed('j')
screen:expect { grid = [[
{28:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX}|
{28:X} |
^aaaaaaa |
{28:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX}|
bbbbbbb |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]]}
feed('j')
screen:expect { grid = [[
{28:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX}|
{28:X} |
aaaaaaa |
{28:^XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX}|
bbbbbbb |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]]}
feed('j')
screen:expect { grid = [[
{28:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX}|
{28:X} |
aaaaaaa |
{28:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX}|
^bbbbbbb |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]]}
end)
end)
describe('decorations: virtual lines', function()