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fix(extmark): fix cursor position with both left and right gravity inline text

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This commit is contained in:
bfredl 2023-05-09 14:26:03 +02:00
parent 29da1a9cf0
commit a78fd18ed9
5 changed files with 65 additions and 20 deletions
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14
src/nvim/charset.c
View File

@ -1053,11 +1053,8 @@ void getvcol(win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *en
// make sure we don't go past the end of the line
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;
}
// NUL at end of line only takes one column, unless there is virtual text
incr = MAX(1, cts.cts_cur_text_width_left + cts.cts_cur_text_width_right);
on_NUL = true;
break;
}
@ -1092,9 +1089,12 @@ void getvcol(win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *en
// cursor at end
*cursor = vcol + incr - 1;
} else {
if (((State & MODE_INSERT) == 0 || !cts.cts_has_right_gravity) && !on_NUL) {
if (!on_NUL) {
// cursor is after inserted text, unless on the NUL
vcol += cts.cts_cur_text_width;
vcol += cts.cts_cur_text_width_left;
if ((State & MODE_INSERT) == 0) {
vcol += cts.cts_cur_text_width_right;
}
}
// cursor at start
*cursor = vcol + head;

2
src/nvim/drawline.c
View File

@ -1757,7 +1757,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool nochange,
selected, &decor_state);
while (true) {
// we could already be inside an existing virt_line with multiple chunks
// we could already be inside an existing inline text with multiple chunks
if (!(virt_inline_i < kv_size(virt_inline))) {
DecorState *state = &decor_state;
for (size_t i = 0; i < kv_size(state->active); i++) {

22
src/nvim/plines.c
View File

@ -269,7 +269,7 @@ int linetabsize_col(int startcol, char *s)
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;
cts.cts_vcol += cts.cts_cur_text_width_left + cts.cts_cur_text_width_right;
}
clear_chartabsize_arg(&cts);
return cts.cts_vcol;
@ -308,7 +308,7 @@ void win_linetabsize_cts(chartabsize_T *cts, colnr_T len)
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;
cts->cts_vcol += cts->cts_cur_text_width_left + cts->cts_cur_text_width_right;
}
}
@ -323,9 +323,9 @@ void init_chartabsize_arg(chartabsize_T *cts, win_T *wp, linenr_T lnum, colnr_T
cts->cts_vcol = col;
cts->cts_line = line;
cts->cts_ptr = ptr;
cts->cts_cur_text_width = 0;
cts->cts_cur_text_width_left = 0;
cts->cts_cur_text_width_right = 0;
cts->cts_has_virt_text = false;
cts->cts_has_right_gravity = true;
cts->cts_row = lnum - 1;
if (cts->cts_row >= 0) {
@ -398,7 +398,8 @@ int win_lbr_chartabsize(chartabsize_T *cts, int *headp)
int mb_added = 0;
int numberextra;
cts->cts_cur_text_width = 0;
cts->cts_cur_text_width_left = 0;
cts->cts_cur_text_width_right = 0;
// No 'linebreak', 'showbreak' and 'breakindent': return quickly.
if (!wp->w_p_lbr && !wp->w_p_bri && *get_showbreak_value(wp) == NUL
@ -419,14 +420,15 @@ int win_lbr_chartabsize(chartabsize_T *cts, int *headp)
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
&& mark.pos.col < col + charlen) { // TODO(bfredl): or maybe unconditionally, what
// if byte-misaligned?
} else if (mark.pos.col >= col && mark.pos.col < col + charlen) {
if (!mt_end(mark)) {
Decoration decor = get_decor(mark);
if (decor.virt_text_pos == kVTInline) {
cts->cts_cur_text_width += decor.virt_text_width;
cts->cts_has_right_gravity = mt_right(mark);
if (mt_right(mark)) {
cts->cts_cur_text_width_right += decor.virt_text_width;
} else {
cts->cts_cur_text_width_left += decor.virt_text_width;
}
size += decor.virt_text_width;
if (*s == TAB) {
// tab size changes because of the inserted text

4
src/nvim/plines.h
View File

@ -14,8 +14,8 @@ typedef struct {
int cts_row;
bool cts_has_virt_text; // true if if a property inserts text
bool cts_has_right_gravity;
int cts_cur_text_width; // width of current inserted text
int cts_cur_text_width_left; // width of virtual text left of cursor
int cts_cur_text_width_right; // width of virtual text right of cursor
MarkTreeIter cts_iter[1];
// TODO(bfredl): iterator in to the marktree for scanning virt text

43
test/functional/ui/decorations_spec.lua
View File

@ -1745,6 +1745,49 @@ bbbbbbb]])
]]}
end)
it('cursor position is correct when inserting around virtual texts with both left and right gravity ', function()
insert('foo foo foo foo')
meths.buf_set_extmark(0, ns, 0, 8, { virt_text = {{ '>>', 'Special' }}, virt_text_pos = 'inline', right_gravity = false })
meths.buf_set_extmark(0, ns, 0, 8, { virt_text = {{ '<<', 'Special' }}, virt_text_pos = 'inline', right_gravity = true })
feed('08l')
screen:expect{ grid = [[
foo foo {28:>><<}^foo foo |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
]]}
feed('i')
screen:expect { grid = [[
foo foo {28:>>^<<}foo foo |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{24:-- INSERT --} |
]]}
end)
it('draws correctly with no wrap multiple virtual text, where one is hidden', function()
insert('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz')
command("set nowrap")