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Merge pull request #23742 from bfredl/neolight

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fix(drawline): combine extmark highlight with area hl correctly
This commit is contained in:
bfredl
2023-05-26 11:48:05 +02:00
committed by GitHub
parent a92d78d201 455bca1ba8
commit 68da87d2e7
3 changed files with 108 additions and 33 deletions
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57
src/nvim/drawline.c
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@@ -1073,7 +1073,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int mod_top, bo
int saved_search_attr = 0; // search_attr to be used when n_extra
// goes to zero
int vcol_save_attr = 0; // saved attr for 'cursorcolumn'
int syntax_attr = 0; // attributes desired by syntax
int decor_attr = 0; // attributes desired by syntax and extmarks
bool has_syntax = false; // this buffer has syntax highl.
int folded_attr = 0; // attributes for folded line
int save_did_emsg;
@@ -1909,11 +1909,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int mod_top, bo
wlv.char_attr = wlv.line_attr;
} else {
attr_pri = false;
if (has_syntax) {
wlv.char_attr = syntax_attr;
} else {
wlv.char_attr = 0;
}
wlv.char_attr = decor_attr;
}
if (folded_attr != 0) {
@@ -2116,11 +2112,12 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int mod_top, bo
}
ptr++;
decor_attr = 0;
if (extra_check) {
bool no_plain_buffer = (wp->w_s->b_p_spo_flags & SPO_NPBUFFER) != 0;
bool can_spell = !no_plain_buffer;
// Get syntax attribute, unless still at the start of the line
// Get extmark and syntax attributes, unless still at the start of the line
// (double-wide char that doesn't fit).
v = (ptr - line);
if (has_syntax && v > 0) {
@@ -2129,8 +2126,8 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int mod_top, bo
save_did_emsg = did_emsg;
did_emsg = false;
syntax_attr = get_syntax_attr((colnr_T)v - 1,
has_spell ? &can_spell : NULL, false);
decor_attr = get_syntax_attr((colnr_T)v - 1,
has_spell ? &can_spell : NULL, false);
if (did_emsg) { // -V547
wp->w_s->b_syn_error = true;
@@ -2148,17 +2145,6 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int mod_top, bo
line = ml_get_buf(wp->w_buffer, lnum, false);
ptr = line + v;
if (!attr_pri) {
if (wlv.cul_attr) {
wlv.char_attr = 0 != wlv.line_attr_lowprio
? hl_combine_attr(wlv.cul_attr, syntax_attr)
: hl_combine_attr(syntax_attr, wlv.cul_attr);
} else {
wlv.char_attr = syntax_attr;
}
} else {
wlv.char_attr = hl_combine_attr(syntax_attr, wlv.char_attr);
}
// no concealing past the end of the line, it interferes
// with line highlighting.
if (c == NUL) {
@@ -2166,27 +2152,35 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int mod_top, bo
} else {
syntax_flags = get_syntax_info(&syntax_seqnr);
}
} else if (!attr_pri) {
wlv.char_attr = 0;
}
if (has_decor && v > 0) {
if (extmark_attr != 0) {
if (!attr_pri) {
wlv.char_attr = hl_combine_attr(wlv.char_attr, extmark_attr);
} else {
wlv.char_attr = hl_combine_attr(extmark_attr, wlv.char_attr);
}
}
// extmarks take preceedence over syntax.c
decor_attr = hl_combine_attr(decor_attr, extmark_attr);
decor_conceal = decor_state.conceal;
if (decor_conceal && decor_state.conceal_char) {
decor_conceal = 2; // really??
}
can_spell = TRISTATE_TO_BOOL(decor_state.spell, can_spell);
}
if (decor_attr) {
if (!attr_pri) {
if (wlv.cul_attr) {
wlv.char_attr = 0 != wlv.line_attr_lowprio
? hl_combine_attr(wlv.cul_attr, decor_attr)
: hl_combine_attr(decor_attr, wlv.cul_attr);
} else {
wlv.char_attr = decor_attr;
}
} else {
wlv.char_attr = hl_combine_attr(decor_attr, wlv.char_attr);
}
} else if (!attr_pri) {
wlv.char_attr = 0;
}
// Check spelling (unless at the end of the line).
// Only do this when there is no syntax highlighting, the
// @Spell cluster is not used or the current syntax item
@@ -2197,8 +2191,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int mod_top, bo
char *prev_ptr = ptr - mb_l;
// do not calculate cap_col at the end of the line or when
// only white space is following
if (c != 0 && (*skipwhite(prev_ptr) != NUL)
&& ((!has_syntax && !no_plain_buffer) || can_spell)) {
if (c != 0 && (*skipwhite(prev_ptr) != NUL) && can_spell) {
char *p;
hlf_T spell_hlf = HLF_COUNT;
v -= mb_l - 1;