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fix(extmarks): inline virt_text support multiple hl groups (#25303)

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This commit is contained in:
zeertzjq
2023-09-22 14:21:58 +08:00
committed by GitHub
parent fcfc87cb77
commit 34a786bc49
2 changed files with 42 additions and 34 deletions
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47
src/nvim/drawline.c
View File

@@ -324,6 +324,24 @@ static void draw_virt_text(win_T *wp, buf_T *buf, int col_off, int *end_col, int
}
}
/// Get the next chunk of a virtual text item.
///
/// @param[in] vt The virtual text item
/// @param[in,out] pos Position in the virtual text item
/// @param[in,out] attr Highlight attribute
///
/// @return The text of the chunk, or NULL if there are no more chunks
static char *next_virt_text_chunk(VirtText vt, size_t *pos, int *attr)
{
char *text = NULL;
for (; text == NULL && *pos < kv_size(vt); (*pos)++) {
text = kv_A(vt, *pos).text;
int hl_id = kv_A(vt, *pos).hl_id;
*attr = hl_combine_attr(*attr, hl_id > 0 ? syn_id2attr(hl_id) : 0);
}
return text;
}
static int draw_virt_text_item(buf_T *buf, int col, VirtText vt, HlMode hl_mode, int max_col,
int vcol, bool rl)
{
@@ -332,23 +350,17 @@ static int draw_virt_text_item(buf_T *buf, int col, VirtText vt, HlMode hl_mode,
size_t virt_pos = 0;
while (rl ? col > max_col : col < max_col) {
if (!*s.p) {
if (*s.p == NUL) {
if (virt_pos >= kv_size(vt)) {
break;
}
virt_attr = 0;
do {
s.p = kv_A(vt, virt_pos).text;
int hl_id = kv_A(vt, virt_pos).hl_id;
virt_attr = hl_combine_attr(virt_attr,
hl_id > 0 ? syn_id2attr(hl_id) : 0);
virt_pos++;
} while (!s.p && virt_pos < kv_size(vt));
if (!s.p) {
s.p = next_virt_text_chunk(vt, &virt_pos, &virt_attr);
if (s.p == NULL) {
break;
}
}
if (!*s.p) {
if (*s.p == NUL) {
continue;
}
int attr;
@@ -950,17 +962,20 @@ static void handle_inline_virtual_text(win_T *wp, winlinevars_T *wlv, ptrdiff_t
}
} else {
// already inside existing inline virtual text with multiple chunks
VirtTextChunk vtc = kv_A(wlv->virt_inline, wlv->virt_inline_i);
wlv->virt_inline_i++;
wlv->p_extra = vtc.text;
wlv->n_extra = (int)strlen(vtc.text);
int attr = 0;
char *text = next_virt_text_chunk(wlv->virt_inline, &wlv->virt_inline_i, &attr);
if (text == NULL) {
continue;
}
wlv->p_extra = text;
wlv->n_extra = (int)strlen(text);
if (wlv->n_extra == 0) {
continue;
}
wlv->c_extra = NUL;
wlv->c_final = NUL;
wlv->extra_attr = vtc.hl_id ? syn_id2attr(vtc.hl_id) : 0;
wlv->n_attr = mb_charlen(vtc.text);
wlv->extra_attr = attr;
wlv->n_attr = mb_charlen(text);
// If the text didn't reach until the first window
// column we need to skip cells.
if (wlv->skip_cells > 0) {

29
test/functional/ui/decorations_spec.lua
View File

@@ -1464,6 +1464,8 @@ describe('extmark decorations', function()
end)
it('can have virtual text which combines foreground and background groups', function()
screen:try_resize(20, 3)
screen:set_default_attr_ids {
[1] = {bold=true, foreground=Screen.colors.Blue};
[2] = {background = tonumber('0x123456'), foreground = tonumber('0xbbbbbb')};
@@ -1481,30 +1483,21 @@ describe('extmark decorations', function()
hi VeryBold gui=bold
]]
meths.buf_set_extmark(0, ns, 0, 0, { virt_text={
insert('##')
local vt = {
{'a', {'BgOne', 'FgEin'}};
{'b', {'BgOne', 'FgZwei'}};
{'c', {'BgTwo', 'FgEin'}};
{'d', {'BgTwo', 'FgZwei'}};
{'X', {'BgTwo', 'FgZwei', 'VeryBold'}};
}})
}
meths.buf_set_extmark(0, ns, 0, 0, { virt_text = vt, virt_text_pos = 'eol' })
meths.buf_set_extmark(0, ns, 0, 0, { virt_text = vt, virt_text_pos = 'right_align' })
meths.buf_set_extmark(0, ns, 0, 0, { virt_text = vt, virt_text_pos = 'inline' })
screen:expect{grid=[[
^ {2:a}{3:b}{4:c}{5:d}{6:X} |
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
{1:~ }|
|
{2:a}{3:b}{4:c}{5:d}{6:X}#^# {2:a}{3:b}{4:c}{5:d}{6:X} {2:a}{3:b}{4:c}{5:d}{6:X}|
{1:~ }|
|
]]}
end)