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refactor(signs): handle non-sign attrs separately (#19784)

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This commit is contained in:
Lewis Russell
2022-08-16 11:03:44 +01:00
committed by GitHub
parent 4f0a0a2933
commit 9a4b8dc603
5 changed files with 149 additions and 136 deletions
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132
src/nvim/screen.c
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@@ -1943,6 +1943,44 @@ static inline void get_line_number_str(win_T *wp, linenr_T lnum, char_u *buf, si
snprintf((char *)buf, buf_len, fmt, number_width(wp), num);
}
static void apply_cursorline_highlight(win_T *wp, linenr_T lnum, int *line_attr, int *cul_attr,
int *line_attr_lowprio)
{
*cul_attr = win_hl_attr(wp, HLF_CUL);
HlAttrs ae = syn_attr2entry(*cul_attr);
// We make a compromise here (#7383):
// * low-priority CursorLine if fg is not set
// * high-priority ("same as Vim" priority) CursorLine if fg is set
if (ae.rgb_fg_color == -1 && ae.cterm_fg_color == 0) {
*line_attr_lowprio = *cul_attr;
} else {
if (!(State & MODE_INSERT) && bt_quickfix(wp->w_buffer)
&& qf_current_entry(wp) == lnum) {
*line_attr = hl_combine_attr(*cul_attr, *line_attr);
} else {
*line_attr = *cul_attr;
}
}
}
static int get_sign_attrs(buf_T *buf, linenr_T lnum, SignTextAttrs *sattrs, int *line_attr,
int *num_attr, int *cul_attr)
{
HlPriAttr line_attrs = { *line_attr, 0 };
HlPriAttr num_attrs = { *num_attr, 0 };
HlPriAttr cul_attrs = { *cul_attr, 0 };
// TODO(bfredl, vigoux): line_attr should not take priority over decoration!
int num_signs = buf_get_signattrs(buf, lnum, sattrs, &num_attrs, &line_attrs, &cul_attrs);
decor_redraw_signs(buf, lnum - 1, &num_signs, sattrs, &num_attrs, &line_attrs, &cul_attrs);
*line_attr = line_attrs.attr_id;
*num_attr = num_attrs.attr_id;
*cul_attr = cul_attrs.attr_id;
return num_signs;
}
/// Display line "lnum" of window 'wp' on the screen.
/// wp->w_virtcol needs to be valid.
///
@@ -2049,8 +2087,6 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc
bool in_multispace = false; // in multiple consecutive spaces
int multispace_pos = 0; // position in lcs-multispace string
bool need_showbreak = false; // overlong line, skip first x chars
sign_attrs_T sattrs[SIGN_SHOW_MAX]; // attributes for signs
int num_signs; // number of signs for line
int line_attr = 0; // attribute for the whole line
int line_attr_save;
int line_attr_lowprio = 0; // low-priority attribute for the line
@@ -2320,21 +2356,7 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc
cul_screenline = (wp->w_p_wrap
&& (wp->w_p_culopt_flags & CULOPT_SCRLINE));
if (!cul_screenline) {
cul_attr = win_hl_attr(wp, HLF_CUL);
HlAttrs ae = syn_attr2entry(cul_attr);
// We make a compromise here (#7383):
// * low-priority CursorLine if fg is not set
// * high-priority ("same as Vim" priority) CursorLine if fg is set
if (ae.rgb_fg_color == -1 && ae.cterm_fg_color == 0) {
line_attr_lowprio = cul_attr;
} else {
if (!(State & MODE_INSERT) && bt_quickfix(wp->w_buffer)
&& qf_current_entry(wp) == lnum) {
line_attr = hl_combine_attr(cul_attr, line_attr);
} else {
line_attr = cul_attr;
}
}
apply_cursorline_highlight(wp, lnum, &line_attr, &cul_attr, &line_attr_lowprio);
} else {
margin_columns_win(wp, &left_curline_col, &right_curline_col);
}
@@ -2342,16 +2364,11 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc
}
}
SignTextAttrs sattrs[SIGN_SHOW_MAX]; // sign attributes for the sign column
int sign_num_attr = 0; // sign attribute for the number column
int sign_cul_attr = 0; // sign attribute for cursorline
CLEAR_FIELD(sattrs);
num_signs = buf_get_signattrs(wp->w_buffer, lnum, sattrs);
decor_redraw_signs(buf, lnum - 1, &num_signs, sattrs);
// If this line has a sign with line highlighting set line_attr.
// TODO(bfredl, vigoux): this should not take priority over decoration!
sign_attrs_T *sattr = sign_get_attr(SIGN_LINEHL, sattrs, 0, 1);
if (sattr != NULL) {
line_attr = sattr->sat_linehl;
}
int num_signs = get_sign_attrs(buf, lnum, sattrs, &line_attr, &sign_num_attr, &sign_cul_attr);
// Highlight the current line in the quickfix window.
if (bt_quickfix(wp->w_buffer) && qf_current_entry(wp) == lnum) {
@@ -2623,13 +2640,13 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc
// sign column, this is hit until sign_idx reaches count
if (draw_state == WL_SIGN - 1 && n_extra == 0) {
draw_state = WL_SIGN;
// Show the sign column when there are any signs in this
// buffer or when using Netbeans.
// Show the sign column when there are any signs in this buffer
if (wp->w_scwidth > 0) {
get_sign_display_info(false, wp, lnum, sattrs, row,
startrow, filler_lines, filler_todo,
&c_extra, &c_final, extra, sizeof(extra),
&p_extra, &n_extra, &char_attr, sign_idx);
&p_extra, &n_extra, &char_attr, sign_idx,
sign_cul_attr);
sign_idx++;
if (sign_idx < wp->w_scwidth) {
draw_state = WL_SIGN - 1;
@@ -2649,12 +2666,12 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc
// If 'signcolumn' is set to 'number' and a sign is present
// in 'lnum', then display the sign instead of the line
// number.
if (*wp->w_p_scl == 'n' && *(wp->w_p_scl + 1) == 'u'
&& num_signs > 0 && sign_get_attr(SIGN_TEXT, sattrs, 0, 1)) {
if (*wp->w_p_scl == 'n' && *(wp->w_p_scl + 1) == 'u' && num_signs > 0) {
get_sign_display_info(true, wp, lnum, sattrs, row,
startrow, filler_lines, filler_todo,
&c_extra, &c_final, extra, sizeof(extra),
&p_extra, &n_extra, &char_attr, sign_idx);
&p_extra, &n_extra, &char_attr, sign_idx,
sign_cul_attr);
} else {
// Draw the line number (empty space after wrapping).
if (row == startrow + filler_lines) {
@@ -2681,7 +2698,11 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc
}
c_final = NUL;
n_extra = number_width(wp) + 1;
char_attr = get_line_number_attr(wp, lnum, row, startrow, filler_lines, sattrs);
if (sign_num_attr > 0) {
char_attr = sign_num_attr;
} else {
char_attr = get_line_number_attr(wp, lnum, row, startrow, filler_lines);
}
}
}
}
@@ -2810,18 +2831,7 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc
if (cul_screenline && draw_state == WL_LINE
&& vcol >= left_curline_col
&& vcol < right_curline_col) {
cul_attr = win_hl_attr(wp, HLF_CUL);
HlAttrs ae = syn_attr2entry(cul_attr);
if (ae.rgb_fg_color == -1 && ae.cterm_fg_color == 0) {
line_attr_lowprio = cul_attr;
} else {
if (!(State & MODE_INSERT) && bt_quickfix(wp->w_buffer)
&& qf_current_entry(wp) == lnum) {
line_attr = hl_combine_attr(cul_attr, line_attr);
} else {
line_attr = cul_attr;
}
}
apply_cursorline_highlight(wp, lnum, &line_attr, &cul_attr, &line_attr_lowprio);
}
// When still displaying '$' of change command, stop at cursor
@@ -4349,15 +4359,8 @@ static bool use_cursor_line_nr(win_T *wp, linenr_T lnum, int row, int startrow,
&& (wp->w_p_culopt_flags & CULOPT_LINE)));
}
static int get_line_number_attr(win_T *wp, linenr_T lnum, int row, int startrow, int filler_lines,
sign_attrs_T *sattrs)
static int get_line_number_attr(win_T *wp, linenr_T lnum, int row, int startrow, int filler_lines)
{
sign_attrs_T *num_sattr = sign_get_attr(SIGN_NUMHL, sattrs, 0, 1);
if (num_sattr != NULL) {
// :sign defined with "numhl" highlight.
return num_sattr->sat_numhl;
}
if (wp->w_p_rnu) {
if (lnum < wp->w_cursor.lnum) {
// Use LineNrAbove
@@ -4385,10 +4388,11 @@ static int get_line_number_attr(win_T *wp, linenr_T lnum, int row, int startrow,
// @param count max number of signs
// @param[out] n_extrap number of characters from pp_extra to display
// @param sign_idxp Index of the displayed sign
static void get_sign_display_info(bool nrcol, win_T *wp, linenr_T lnum, sign_attrs_T sattrs[],
static void get_sign_display_info(bool nrcol, win_T *wp, linenr_T lnum, SignTextAttrs sattrs[],
int row, int startrow, int filler_lines, int filler_todo,
int *c_extrap, int *c_finalp, char_u *extra, size_t extra_size,
char_u **pp_extra, int *n_extrap, int *char_attrp, int sign_idx)
char_u **pp_extra, int *n_extrap, int *char_attrp, int sign_idx,
int cul_attr)
{
// Draw cells with the sign value or blank.
*c_extrap = ' ';
@@ -4405,9 +4409,9 @@ static void get_sign_display_info(bool nrcol, win_T *wp, linenr_T lnum, sign_att
}
if (row == startrow + filler_lines && filler_todo <= 0) {
sign_attrs_T *sattr = sign_get_attr(SIGN_TEXT, sattrs, sign_idx, wp->w_scwidth);
SignTextAttrs *sattr = sign_get_attr(sign_idx, sattrs, wp->w_scwidth);
if (sattr != NULL) {
*pp_extra = sattr->sat_text;
*pp_extra = sattr->text;
if (*pp_extra != NULL) {
*c_extrap = NUL;
*c_finalp = NUL;
@@ -4423,28 +4427,28 @@ static void get_sign_display_info(bool nrcol, win_T *wp, linenr_T lnum, sign_att
*pp_extra = extra;
*n_extrap = (int)STRLEN(*pp_extra);
} else {
int symbol_blen = (int)STRLEN(*pp_extra);
size_t symbol_blen = STRLEN(*pp_extra);
// TODO(oni-link): Is sign text already extended to
// full cell width?
assert((size_t)win_signcol_width(wp) >= mb_string2cells((char *)(*pp_extra)));
// symbol(s) bytes + (filling spaces) (one byte each)
*n_extrap = symbol_blen + win_signcol_width(wp) -
*n_extrap = (int)symbol_blen + win_signcol_width(wp) -
(int)mb_string2cells((char *)(*pp_extra));
assert(extra_size > (size_t)symbol_blen);
assert(extra_size > symbol_blen);
memset(extra, ' ', extra_size);
memcpy(extra, *pp_extra, (size_t)symbol_blen);
memcpy(extra, *pp_extra, symbol_blen);
*pp_extra = extra;
(*pp_extra)[*n_extrap] = NUL;
}
}
if (use_cursor_line_sign(wp, lnum) && sattr->sat_culhl > 0) {
*char_attrp = sattr->sat_culhl;
if (use_cursor_line_sign(wp, lnum) && cul_attr > 0) {
*char_attrp = cul_attr;
} else {
*char_attrp = sattr->sat_texthl;
*char_attrp = sattr->hl_attr_id;
}
}
}