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vim-patch:8.2.1056: wrong display when mixing match conceal and syntax conceal

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Problem:    Wrong display when mixing match conceal and syntax conceal.
Solution:   Adjust how conceal flags are used. (closes vim/vim#6327, closes vim/vim#6303)
211dd3fd82
This commit is contained in:
Jan Edmund Lazo
2021-02-13 16:23:31 -05:00
parent 34291eba80
commit fd44bd4d4f
2 changed files with 104 additions and 47 deletions
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54
src/nvim/screen.c
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@@ -2082,7 +2082,7 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
int line_attr_lowprio = 0; // low-priority attribute for the line
matchitem_T *cur; // points to the match list
match_T *shl; // points to search_hl or a match
int shl_flag; // flag to indicate whether search_hl
bool shl_flag; // flag to indicate whether search_hl
// has been processed or not
bool prevcol_hl_flag; // flag to indicate whether prevcol
// equals startcol of search_hl or one
@@ -2950,16 +2950,15 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
*/
v = (long)(ptr - line);
cur = wp->w_match_head;
shl_flag = FALSE;
while (cur != NULL || shl_flag == FALSE) {
if (shl_flag == FALSE
&& ((cur != NULL
&& cur->priority > SEARCH_HL_PRIORITY)
|| cur == NULL)) {
shl_flag = false;
while (cur != NULL || !shl_flag) {
if (!shl_flag
&& (cur == NULL || cur->priority > SEARCH_HL_PRIORITY)) {
shl = &search_hl;
shl_flag = TRUE;
} else
shl_flag = true;
} else {
shl = &cur->hl;
}
if (cur != NULL) {
cur->pos.cur = 0;
}
@@ -2984,7 +2983,7 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
has_match_conc = v == (long)shl->startcol ? 2 : 1;
match_conc = cur->conceal_char;
} else {
has_match_conc = match_conc = 0;
has_match_conc = 0;
}
} else if (v == (long)shl->endcol) {
shl->attr_cur = 0;
@@ -3026,16 +3025,15 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
search_attr_from_match = false;
search_attr = search_hl.attr_cur;
cur = wp->w_match_head;
shl_flag = FALSE;
while (cur != NULL || shl_flag == FALSE) {
if (shl_flag == FALSE
&& ((cur != NULL
&& cur->priority > SEARCH_HL_PRIORITY)
|| cur == NULL)) {
shl_flag = false;
while (cur != NULL || !shl_flag) {
if (!shl_flag
&& (cur == NULL || cur->priority > SEARCH_HL_PRIORITY)) {
shl = &search_hl;
shl_flag = TRUE;
} else
shl_flag = true;
} else {
shl = &cur->hl;
}
if (shl->attr_cur != 0) {
search_attr = shl->attr_cur;
search_attr_from_match = shl != &search_hl;
@@ -3678,12 +3676,13 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
&& vim_strchr(wp->w_p_cocu, 'v') == NULL)) {
char_attr = conceal_attr;
if ((prev_syntax_id != syntax_seqnr || has_match_conc > 1)
&& (syn_get_sub_char() != NUL || match_conc
&& (syn_get_sub_char() != NUL
|| (has_match_conc && match_conc)
|| wp->w_p_cole == 1)
&& wp->w_p_cole != 3) {
// First time at this concealed item: display one
// character.
if (match_conc) {
if (has_match_conc && match_conc) {
c = match_conc;
} else if (syn_get_sub_char() != NUL) {
c = syn_get_sub_char();
@@ -3843,16 +3842,15 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow,
// 'search_hl' and the match list.
char_attr = search_hl.attr;
cur = wp->w_match_head;
shl_flag = FALSE;
while (cur != NULL || shl_flag == FALSE) {
if (shl_flag == FALSE
&& ((cur != NULL
&& cur->priority > SEARCH_HL_PRIORITY)
|| cur == NULL)) {
shl_flag = false;
while (cur != NULL || !shl_flag) {
if (!shl_flag
&& (cur == NULL || cur->priority > SEARCH_HL_PRIORITY)) {
shl = &search_hl;
shl_flag = TRUE;
} else
shl_flag = true;
} else {
shl = &cur->hl;
}
if ((ptr - line) - 1 == (long)shl->startcol
&& (shl == &search_hl || !shl->is_addpos)) {
char_attr = shl->attr;