vim/src/drawline.c
zeertzjq 13f100e932
patch 9.1.1130: 'listchars' "precedes" is not drawn on Tabs.
Problem:  'listchars' "precedes" is not drawn on Tabs.
Solution: Only draw 'listchars' "precedes" when not skipping over cells.
          (zeertzjq)

fixes: #5927
closes: #16691

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
2025-02-21 19:49:44 +01:00

4401 lines
115 KiB
C

/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* drawline.c: Functions for drawing window lines on the screen.
* This is the middle level, drawscreen.c is the higher level and screen.c the
* lower level.
*/
#include "vim.h"
#ifdef FEAT_SYN_HL
/*
* Advance **color_cols and return TRUE when there are columns to draw.
*/
static int
advance_color_col(int vcol, int **color_cols)
{
while (**color_cols >= 0 && vcol > **color_cols)
++*color_cols;
return (**color_cols >= 0);
}
#endif
#ifdef FEAT_SYN_HL
/*
* Used when 'cursorlineopt' contains "screenline": compute the margins between
* which the highlighting is used.
*/
static void
margin_columns_win(win_T *wp, int *left_col, int *right_col)
{
// cache previous calculations depending on w_virtcol
static int saved_w_virtcol;
static win_T *prev_wp;
static int prev_width1;
static int prev_width2;
static int prev_left_col;
static int prev_right_col;
int cur_col_off = win_col_off(wp);
int width1;
int width2;
width1 = wp->w_width - cur_col_off;
width2 = width1 + win_col_off2(wp);
if (saved_w_virtcol == wp->w_virtcol && prev_wp == wp
&& prev_width1 == width1 && prev_width2 == width2)
{
*right_col = prev_right_col;
*left_col = prev_left_col;
return;
}
*left_col = 0;
*right_col = width1;
if (wp->w_virtcol >= (colnr_T)width1 && width2 > 0)
*right_col = width1 + ((wp->w_virtcol - width1) / width2 + 1) * width2;
if (wp->w_virtcol >= (colnr_T)width1 && width2 > 0)
*left_col = (wp->w_virtcol - width1) / width2 * width2 + width1;
// cache values
prev_left_col = *left_col;
prev_right_col = *right_col;
prev_wp = wp;
prev_width1 = width1;
prev_width2 = width2;
saved_w_virtcol = wp->w_virtcol;
}
#endif
#if defined(FEAT_SIGNS) || defined(FEAT_QUICKFIX) \
|| defined(FEAT_SYN_HL) || defined(FEAT_DIFF)
// using an attribute for the whole line
# define LINE_ATTR
#endif
// structure with variables passed between win_line() and other functions
typedef struct {
int draw_state; // what to draw next
linenr_T lnum; // line number to be drawn
int startrow; // first row in the window to be drawn
int row; // row in the window, excl w_winrow
int screen_row; // row on the screen, incl w_winrow
long vcol; // virtual column, before wrapping
int col; // visual column on screen, after wrapping
#ifdef FEAT_CONCEAL
int boguscols; // nonexistent columns added to "col" to force
// wrapping
int vcol_off_co; // offset for concealed characters
#endif
int vcol_off_tp; // offset for virtual text
#ifdef FEAT_SYN_HL
int draw_color_col; // highlight colorcolumn
int *color_cols; // pointer to according columns array
#endif
int eol_hl_off; // 1 if highlighted char after EOL
unsigned off; // offset in ScreenLines/ScreenAttrs
int win_attr; // background for the whole window, except
// margins and "~" lines.
int wcr_attr; // attributes from 'wincolor'
#ifdef FEAT_SYN_HL
int cul_attr; // set when 'cursorline' active
#endif
#ifdef LINE_ATTR
int line_attr; // for the whole line, includes 'cursorline'
#endif
int screen_line_flags; // flags for screen_line()
int fromcol; // start of inverting
int tocol; // end of inverting
#ifdef FEAT_LINEBREAK
long vcol_sbr; // virtual column after showbreak
int need_showbreak; // overlong line, skipping first x chars
int dont_use_showbreak; // do not use 'showbreak'
#endif
#ifdef FEAT_PROP_POPUP
int text_prop_above_count;
#endif
// TRUE when 'cursorlineopt' has "screenline" and cursor is in this line
int cul_screenline;
int char_attr; // attributes for the next character
int n_extra; // number of extra bytes
char_u *p_extra; // string of extra chars, plus NUL, only used
// when c_extra and c_final are NUL
char_u *p_extra_free; // p_extra buffer that needs to be freed
int extra_attr; // attributes for p_extra, should be combined
// with win_attr if needed
int n_attr_skip; // chars to skip before using extra_attr
int c_extra; // extra chars, all the same
int c_final; // final char, mandatory if set
int extra_for_textprop; // n_extra set for textprop
int start_extra_for_textprop; // extra_for_textprop was just set
// saved "extra" items for when draw_state becomes WL_LINE (again)
int saved_n_extra;
char_u *saved_p_extra;
char_u *saved_p_extra_free;
int saved_extra_attr;
int saved_n_attr_skip;
int saved_extra_for_textprop;
int saved_c_extra;
int saved_c_final;
int saved_char_attr;
char_u extra[NUMBUFLEN + MB_MAXBYTES];
// "%ld " and 'fdc' must fit in here, as well
// any text sign
#ifdef FEAT_DIFF
hlf_T diff_hlf; // type of diff highlighting
#endif
int filler_lines; // nr of filler lines to be drawn
int filler_todo; // nr of filler lines still to do + 1
#ifdef FEAT_SIGNS
sign_attrs_T sattr;
#endif
#ifdef FEAT_LINEBREAK
// do consider wrapping in linebreak mode only after encountering
// a non whitespace char
int need_lbr;
#endif
} winlinevars_T;
// draw_state values for items that are drawn in sequence:
#define WL_START 0 // nothing done yet, must be zero
#define WL_CMDLINE (WL_START + 1) // cmdline window column
#ifdef FEAT_FOLDING
# define WL_FOLD (WL_CMDLINE + 1) // 'foldcolumn'
#else
# define WL_FOLD WL_CMDLINE
#endif
#ifdef FEAT_SIGNS
# define WL_SIGN (WL_FOLD + 1) // column for signs
#else
# define WL_SIGN WL_FOLD // column for signs
#endif
#define WL_NR (WL_SIGN + 1) // line number
#ifdef FEAT_LINEBREAK
# define WL_BRI (WL_NR + 1) // 'breakindent'
#else
# define WL_BRI WL_NR
#endif
#if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF)
# define WL_SBR (WL_BRI + 1) // 'showbreak' or 'diff'
#else
# define WL_SBR WL_BRI
#endif
#define WL_LINE (WL_SBR + 1) // text in the line
#if defined(FEAT_SIGNS) || defined(FEAT_FOLDING)
/*
* Return TRUE if CursorLineSign highlight is to be used.
*/
static int
use_cursor_line_highlight(win_T *wp, linenr_T lnum)
{
return wp->w_p_cul
&& lnum == wp->w_cursor.lnum
&& (wp->w_p_culopt_flags & CULOPT_NBR);
}
#endif
#ifdef FEAT_FOLDING
/*
* Setup for drawing the 'foldcolumn', if there is one.
*/
static void
handle_foldcolumn(win_T *wp, winlinevars_T *wlv)
{
int fdc = compute_foldcolumn(wp, 0);
if (fdc <= 0)
return;
// Allocate a buffer, "wlv->extra[]" may already be in use.
vim_free(wlv->p_extra_free);
wlv->p_extra_free = alloc(MAX_MCO * fdc + 1);
if (wlv->p_extra_free == NULL)
return;
wlv->n_extra = (int)fill_foldcolumn(wlv->p_extra_free,
wp, FALSE, wlv->lnum);
wlv->p_extra_free[wlv->n_extra] = NUL;
wlv->p_extra = wlv->p_extra_free;
wlv->c_extra = NUL;
wlv->c_final = NUL;
if (use_cursor_line_highlight(wp, wlv->lnum))
wlv->char_attr = hl_combine_attr(wlv->wcr_attr, HL_ATTR(HLF_CLF));
else
wlv->char_attr = hl_combine_attr(wlv->wcr_attr, HL_ATTR(HLF_FC));
}
#endif
#ifdef FEAT_SIGNS
/*
* Get information needed to display the sign in line "wlv->lnum" in window
* "wp".
* If "nrcol" is TRUE, the sign is going to be displayed in the number column.
* Otherwise the sign is going to be displayed in the sign column.
*/
static void
get_sign_display_info(
int nrcol,
win_T *wp,
winlinevars_T *wlv)
{
int text_sign;
# ifdef FEAT_SIGN_ICONS
int icon_sign;
# endif
// Draw two cells with the sign value or blank.
wlv->c_extra = ' ';
wlv->c_final = NUL;
if (nrcol)
wlv->n_extra = number_width(wp) + 1;
else
{
if (use_cursor_line_highlight(wp, wlv->lnum))
wlv->char_attr = hl_combine_attr(wlv->wcr_attr, HL_ATTR(HLF_CLS));
else
wlv->char_attr = hl_combine_attr(wlv->wcr_attr, HL_ATTR(HLF_SC));
wlv->n_extra = 2;
}
if (wlv->row == wlv->startrow
#ifdef FEAT_DIFF
+ wlv->filler_lines && wlv->filler_todo <= 0
#endif
)
{
text_sign = (wlv->sattr.sat_text != NULL) ? wlv->sattr.sat_typenr : 0;
# ifdef FEAT_SIGN_ICONS
icon_sign = (wlv->sattr.sat_icon != NULL) ? wlv->sattr.sat_typenr : 0;
if (gui.in_use && icon_sign != 0)
{
// Use the image in this position.
if (nrcol)
{
wlv->c_extra = NUL;
wlv->n_extra = vim_snprintf((char *)wlv->extra, sizeof(wlv->extra),
"%-*c ", number_width(wp), SIGN_BYTE);
wlv->p_extra = wlv->extra;
}
else
wlv->c_extra = SIGN_BYTE;
# ifdef FEAT_NETBEANS_INTG
if (netbeans_active() && (buf_signcount(wp->w_buffer, wlv->lnum)
> 1))
{
if (nrcol)
{
wlv->c_extra = NUL;
wlv->n_extra = vim_snprintf((char *)wlv->extra, sizeof(wlv->extra),
"%-*c ", number_width(wp), MULTISIGN_BYTE);
wlv->p_extra = wlv->extra;
}
else
wlv->c_extra = MULTISIGN_BYTE;
}
# endif
wlv->c_final = NUL;
wlv->char_attr = icon_sign;
}
else
# endif
if (text_sign != 0)
{
wlv->p_extra = wlv->sattr.sat_text;
if (wlv->p_extra != NULL)
{
if (nrcol)
{
int width = number_width(wp) - 2;
vim_memset(wlv->extra, ' ', width);
wlv->n_extra = width;
wlv->n_extra += vim_snprintf((char *)wlv->extra + width,
sizeof(wlv->extra) - width, "%s ", wlv->p_extra);
wlv->p_extra = wlv->extra;
}
else
wlv->n_extra = (int)STRLEN(wlv->p_extra);
wlv->c_extra = NUL;
wlv->c_final = NUL;
}
if (use_cursor_line_highlight(wp, wlv->lnum)
&& wlv->sattr.sat_culhl > 0)
wlv->char_attr = wlv->sattr.sat_culhl;
else
wlv->char_attr = wlv->sattr.sat_texthl;
}
}
}
#endif
/*
* Display the absolute or relative line number. After the first row fill with
* blanks when the 'n' flag isn't in 'cpo'.
*/
static void
handle_lnum_col(
win_T *wp,
winlinevars_T *wlv,
int sign_present UNUSED,
int num_attr UNUSED)
{
int has_cpo_n = vim_strchr(p_cpo, CPO_NUMCOL) != NULL;
int lnum_row = wlv->startrow + wlv->filler_lines
#ifdef FEAT_PROP_POPUP
+ wlv->text_prop_above_count
#endif
;
if ((wp->w_p_nu || wp->w_p_rnu)
&& (wlv->row <= lnum_row || !has_cpo_n)
// there is no line number in a wrapped line when "n" is in
// 'cpoptions', but 'breakindent' assumes it anyway.
&& !((has_cpo_n
#ifdef FEAT_LINEBREAK
&& !wp->w_p_bri
#endif
) && wp->w_skipcol > 0 && wlv->lnum == wp->w_topline))
{
#ifdef FEAT_SIGNS
// 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') && sign_present)
get_sign_display_info(TRUE, wp, wlv);
else
#endif
{
// Draw the line number (empty space after wrapping).
// When there are text properties above the line put the line number
// below them.
if (wlv->row == lnum_row
&& (wp->w_skipcol == 0 || wlv->row > 0
|| (wp->w_p_nu && wp->w_p_rnu)))
{
long num;
char *fmt = "%*ld ";
if (wp->w_p_nu && !wp->w_p_rnu)
// 'number' + 'norelativenumber'
num = (long)wlv->lnum;
else
{
// 'relativenumber', don't use negative numbers
num = labs((long)get_cursor_rel_lnum(wp, wlv->lnum));
if (num == 0 && wp->w_p_nu && wp->w_p_rnu)
{
// 'number' + 'relativenumber'
num = wlv->lnum;
fmt = "%-*ld ";
}
}
vim_snprintf((char *)wlv->extra, sizeof(wlv->extra), fmt, number_width(wp), num);
if (wp->w_skipcol > 0 && wlv->startrow == 0)
for (wlv->p_extra = wlv->extra; *wlv->p_extra == ' ';
++wlv->p_extra)
*wlv->p_extra = '-';
#ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl) // reverse line numbers
{
char_u *p1, *p2;
int t;
// like rl_mirror(), but keep the space at the end
p2 = skipwhite(wlv->extra);
p2 = skiptowhite(p2) - 1;
for (p1 = skipwhite(wlv->extra); p1 < p2; ++p1, --p2)
{
t = *p1;
*p1 = *p2;
*p2 = t;
}
}
#endif
wlv->p_extra = wlv->extra;
wlv->c_extra = NUL;
wlv->c_final = NUL;
}
else
{
wlv->c_extra = ' ';
wlv->c_final = NUL;
}
wlv->n_extra = number_width(wp) + 1;
wlv->char_attr = hl_combine_attr(wlv->wcr_attr, HL_ATTR(HLF_N));
#ifdef FEAT_SYN_HL
// When 'cursorline' is set highlight the line number of
// the current line differently.
// When 'cursorlineopt' does not have "line" only
// highlight the line number itself.
// TODO: Can we use CursorLine instead of CursorLineNr
// when CursorLineNr isn't set?
if (wp->w_p_cul
&& wlv->lnum == wp->w_cursor.lnum
&& (wp->w_p_culopt_flags & CULOPT_NBR)
&& (wlv->row == wlv->startrow + wlv->filler_lines
|| (wlv->row > wlv->startrow + wlv->filler_lines
&& (wp->w_p_culopt_flags & CULOPT_LINE))))
wlv->char_attr = hl_combine_attr(wlv->wcr_attr, HL_ATTR(HLF_CLN));
#endif
if (wp->w_p_rnu && wlv->lnum < wp->w_cursor.lnum
&& HL_ATTR(HLF_LNA) != 0)
// Use LineNrAbove
wlv->char_attr = hl_combine_attr(wlv->wcr_attr, HL_ATTR(HLF_LNA));
if (wp->w_p_rnu && wlv->lnum > wp->w_cursor.lnum
&& HL_ATTR(HLF_LNB) != 0)
// Use LineNrBelow
wlv->char_attr = hl_combine_attr(wlv->wcr_attr, HL_ATTR(HLF_LNB));
}
#ifdef FEAT_SIGNS
if (num_attr)
wlv->char_attr = num_attr;
#endif
}
}
#ifdef FEAT_LINEBREAK
static void
handle_breakindent(win_T *wp, winlinevars_T *wlv)
{
if (wp->w_briopt_sbr && wlv->draw_state == WL_BRI - 1
&& *get_showbreak_value(wp) != NUL)
// draw indent after showbreak value
wlv->draw_state = WL_BRI;
else if (wp->w_briopt_sbr && wlv->draw_state == WL_SBR)
// After the showbreak, draw the breakindent
wlv->draw_state = WL_BRI - 1;
// draw 'breakindent': indent wrapped text accordingly
if (wlv->draw_state == WL_BRI - 1)
{
wlv->draw_state = WL_BRI;
// if wlv->need_showbreak is set, breakindent also applies
if (wp->w_p_bri && (wlv->row > wlv->startrow
# ifdef FEAT_DIFF
+ wlv->filler_lines
# endif
|| wlv->need_showbreak)
# ifdef FEAT_PROP_POPUP
&& !wlv->dont_use_showbreak
# endif
)
{
wlv->char_attr = 0;
# ifdef FEAT_DIFF
if (wlv->diff_hlf != (hlf_T)0)
wlv->char_attr = HL_ATTR(wlv->diff_hlf);
# endif
wlv->p_extra = NULL;
wlv->c_extra = ' ';
wlv->c_final = NUL;
wlv->n_extra = get_breakindent_win(wp,
ml_get_buf(wp->w_buffer, wlv->lnum, FALSE));
if (wlv->row == wlv->startrow)
{
wlv->n_extra -= win_col_off2(wp);
if (wlv->n_extra < 0)
wlv->n_extra = 0;
}
// Correct start of highlighted area for 'breakindent',
if (wlv->fromcol >= wlv->vcol
&& wlv->fromcol < wlv->vcol + wlv->n_extra)
wlv->fromcol = wlv->vcol + wlv->n_extra;
// Correct end of highlighted area for 'breakindent',
// required when 'linebreak' is also set.
if (wlv->tocol == wlv->vcol)
wlv->tocol += wlv->n_extra;
}
if (wp->w_skipcol > 0 && wlv->startrow == 0 && wp->w_p_wrap
&& wp->w_briopt_sbr)
wlv->need_showbreak = FALSE;
}
}
#endif
#if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF)
static void
handle_showbreak_and_filler(win_T *wp, winlinevars_T *wlv)
{
# ifdef FEAT_DIFF
if (wlv->filler_todo > 0)
{
// Draw "deleted" diff line(s).
if (char2cells(wp->w_fill_chars.diff) > 1)
{
wlv->c_extra = '-';
wlv->c_final = NUL;
}
else
{
wlv->c_extra = wp->w_fill_chars.diff;
wlv->c_final = NUL;
}
# ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
wlv->n_extra = wlv->col + 1;
else
# endif
wlv->n_extra = wp->w_width - wlv->col;
wlv->char_attr = HL_ATTR(HLF_DED);
}
# endif
# ifdef FEAT_LINEBREAK
char_u *sbr = get_showbreak_value(wp);
if (*sbr != NUL && wlv->need_showbreak)
{
// Draw 'showbreak' at the start of each broken line.
wlv->p_extra = sbr;
wlv->c_extra = NUL;
wlv->c_final = NUL;
wlv->n_extra = (int)STRLEN(sbr);
wlv->vcol_sbr = wlv->vcol + MB_CHARLEN(sbr);
// Correct start of highlighted area for 'showbreak'.
if (wlv->fromcol >= wlv->vcol && wlv->fromcol < wlv->vcol_sbr)
wlv->fromcol = wlv->vcol_sbr;
// Correct end of highlighted area for 'showbreak',
// required when 'linebreak' is also set.
if (wlv->tocol == wlv->vcol)
wlv->tocol = wlv->vcol_sbr;
// combine 'showbreak' with 'wincolor'
wlv->char_attr = hl_combine_attr(wlv->win_attr, HL_ATTR(HLF_AT));
# ifdef FEAT_SYN_HL
// combine 'showbreak' with 'cursorline'
if (wlv->cul_attr != 0)
wlv->char_attr = hl_combine_attr(wlv->char_attr, wlv->cul_attr);
# endif
}
if (wp->w_skipcol == 0 || wlv->startrow > 0 || !wp->w_p_wrap
|| !wp->w_briopt_sbr)
wlv->need_showbreak = FALSE;
# endif
}
#endif
#if defined(FEAT_PROP_POPUP) || defined(PROTO)
/*
* Return the cell size of virtual text after truncation.
*/
static int
textprop_size_after_trunc(
win_T *wp,
int flags, // TP_FLAG_ALIGN_*
int added,
int padding,
char_u *text,
int *n_used_ptr)
{
int space = (flags & (TP_FLAG_ALIGN_BELOW | TP_FLAG_ALIGN_ABOVE))
? wp->w_width - win_col_off(wp) : added;
int strsize = 0;
char_u *p;
// if the remaining size is too small and 'wrap' is set we wrap anyway and
// use the next line
if (space < PROP_TEXT_MIN_CELLS && wp->w_p_wrap)
space += wp->w_width;
if (flags & (TP_FLAG_ALIGN_BELOW | TP_FLAG_ALIGN_ABOVE))
space -= padding;
for (p = text; *p != NUL; p += (*mb_ptr2len)(p))
{
int clen = ptr2cells(p);
if (strsize + clen > space)
break;
strsize += clen;
}
*n_used_ptr = (int)(p - text);
return strsize;
}
/*
* Take care of padding, right-align and truncation of virtual text after a
* line.
* if "n_attr" is not NULL then "n_extra" and "p_extra" are adjusted for any
* padding, right-align and truncation. Otherwise only the size is computed.
* When "n_attr" is NULL returns the number of screen cells used.
* Otherwise returns TRUE when drawing continues on the next line.
*/
int
text_prop_position(
win_T *wp,
textprop_T *tp,
int vcol, // current text column
int scr_col, // current screen column
int *n_extra, // nr of bytes for virtual text
char_u **p_extra, // virtual text
int *n_attr, // attribute cells, NULL if not used
int *n_attr_skip, // cells to skip attr, NULL if not used
int do_skip) // skip_cells is not zero
{
int right = (tp->tp_flags & TP_FLAG_ALIGN_RIGHT);
int above = (tp->tp_flags & TP_FLAG_ALIGN_ABOVE);
int below = (tp->tp_flags & TP_FLAG_ALIGN_BELOW);
int wrap = tp->tp_col < MAXCOL || (tp->tp_flags & TP_FLAG_WRAP);
int padding = tp->tp_col == MAXCOL && tp->tp_len > 1
? tp->tp_len - 1 : 0;
int col_with_padding = scr_col + (below ? 0 : padding);
int room = wp->w_width - col_with_padding;
int before = room; // spaces before the text
int after = 0; // spaces after the text
int n_used = *n_extra;
char_u *l = NULL;
int strsize = vim_strsize(*p_extra);
int cells = wrap ? strsize : textprop_size_after_trunc(wp,
tp->tp_flags, before, padding, *p_extra, &n_used);
if (wrap || right || above || below || padding > 0 || n_used < *n_extra)
{
int col_off = win_col_off(wp) - win_col_off2(wp);
if (above)
{
before = 0;
after = wp->w_width - cells - win_col_off(wp) - padding;
if (after < 0)
{
// text "above" has too much padding to fit
padding += after;
after = 0;
}
}
else
{
// Right-align: fill with before
if (right)
before -= cells;
// Below-align: empty line add one character
if (below && vcol == 0 && col_with_padding == col_off
&& wp->w_width - col_off == before)
col_with_padding += 1;
if (before < 0
|| !(right || below)
|| (below ? (col_with_padding <= col_off || !wp->w_p_wrap)
: (n_used < *n_extra)))
{
if (right && (wrap
|| (room < PROP_TEXT_MIN_CELLS && wp->w_p_wrap)))
{
// right-align on next line instead of wrapping if possible
before = wp->w_width - col_off - strsize + room;
if (before < 0)
before = 0;
else
n_used = *n_extra;
}
else if (below && before > vcol && do_skip)
before -= vcol;
else
before = 0;
}
}
// With 'nowrap' add one to show the "extends" character if needed (it
// doesn't show if the text just fits).
if (!wp->w_p_wrap
&& n_used < *n_extra
&& wp->w_lcs_chars.ext != NUL
&& wp->w_p_list)
++n_used;
// add 1 for NUL, 2 for when '…' is used
if (n_attr != NULL)
l = alloc(n_used + before + after + (padding > 0 ? padding : 0) + 3);
if (n_attr == NULL || l != NULL)
{
int off = 0;
if (n_attr != NULL)
{
vim_memset(l, ' ', before);
off += before;
if (padding > 0)
{
vim_memset(l + off, ' ', padding);
off += padding;
}
vim_strncpy(l + off, *p_extra, n_used);
off += n_used;
}
else
{
off = before + after + padding + n_used;
cells += before + after + padding;
}
if (n_attr != NULL)
{
if (n_used < *n_extra && wp->w_p_wrap)
{
char_u *lp = l + off - 1;
if (has_mbyte)
{
char_u buf[MB_MAXBYTES + 1];
char_u *cp = buf;
// change the last character to '…', converted to the
// current 'encoding'
STRCPY(buf, "");
if (!enc_utf8)
{
vimconv_T vc;
vc.vc_type = CONV_NONE;
convert_setup(&vc, (char_u *)"utf-8", p_enc);
if (vc.vc_type != CONV_NONE)
{
cp = string_convert(&vc, buf, NULL);
if (cp == NULL)
{
// when conversion fails use '>'
cp = buf;
STRCPY(buf, ">");
}
convert_setup(&vc, NULL, NULL);
}
}
lp -= (*mb_ptr2cells)(cp) - 1;
lp -= (*mb_head_off)(l, lp);
STRCPY(lp, cp);
n_used = lp - l + 3 - before - padding;
if (cp != buf)
vim_free(cp);
}
else
// change last character to '>'
*lp = '>';
}
else if (after > 0)
{
vim_memset(l + off, ' ', after);
l[off + after] = NUL;
}
*p_extra = l;
*n_extra = n_used + before + after + padding;
*n_attr = mb_charlen(*p_extra);
// n_attr_skip will not be decremented before draw_state is
// WL_LINE
*n_attr_skip = before + (padding > 0 ? padding : 0);
*n_attr -= *n_attr_skip;
if (above)
*n_attr -= after;
}
}
}
if (n_attr == NULL)
return cells;
return (below && col_with_padding > win_col_off(wp) && !wp->w_p_wrap);
}
#endif
/*
* Call screen_line() using values from "wlv".
* Also takes care of putting "<<<" on the first line for 'smoothscroll'
* when 'showbreak' is not set.
* When "clear_end" is TRUE clear until the end of the screen line.
*/
static void
wlv_screen_line(win_T *wp, winlinevars_T *wlv, int clear_end)
{
if (wlv->row == 0 && wp->w_skipcol > 0
#if defined(FEAT_LINEBREAK)
// do not overwrite the 'showbreak' text with "<<<"
&& *get_showbreak_value(wp) == NUL
#endif
// do not overwrite the 'listchars' "precedes" text with "<<<"
&& !(wp->w_p_list && wp->w_lcs_chars.prec != 0))
{
int off = (int)(current_ScreenLine - ScreenLines);
int max_off = off + screen_Columns;
int skip = 0;
if (wp->w_p_nu && wp->w_p_rnu)
// Do not overwrite the line number, change "123 text" to
// "123<<<xt".
while (skip < wp->w_width && VIM_ISDIGIT(ScreenLines[off]))
{
++off;
++skip;
}
for (int i = 0; i < 3 && i + skip < wp->w_width; ++i)
{
if ((*mb_off2cells)(off, max_off) > 1)
// When the first half of a double-width character is
// overwritten, change the second half to a space.
ScreenLines[off + 1] = ' ';
ScreenLines[off] = '<';
if (enc_utf8)
ScreenLinesUC[off] = 0;
ScreenAttrs[off] = HL_ATTR(HLF_AT);
++off;
}
}
screen_line(wp, wlv->screen_row, wp->w_wincol, wlv->col,
clear_end ? wp->w_width : -wp->w_width,
wlv->vcol - 1, wlv->screen_line_flags);
}
/*
* Called when finished with the line: draw the screen line and handle any
* highlighting until the right of the window.
*/
static void
draw_screen_line(win_T *wp, winlinevars_T *wlv)
{
#ifdef FEAT_SYN_HL
long v;
int wcol;
// Highlight 'cursorcolumn' & 'colorcolumn' past end of the line.
if (wp->w_p_wrap)
v = wlv->startrow == 0 ? wp->w_skipcol : 0;
else
v = wp->w_leftcol;
wcol =
# ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? wp->w_width - wlv->col - 1 :
# endif
wlv->col;
// check if line ends before left margin
if (wlv->vcol < v + wcol - win_col_off(wp))
wlv->vcol = v + wcol - win_col_off(wp);
# ifdef FEAT_CONCEAL
// Get rid of the boguscols now, we want to draw until the right
// edge for 'cursorcolumn'.
wlv->col -= wlv->boguscols;
wlv->boguscols = 0;
# define VCOL_HLC (wlv->vcol - wlv->vcol_off_co - wlv->vcol_off_tp)
# else
# define VCOL_HLC (wlv->vcol - wlv->vcol_off_tp)
# endif
if (wlv->draw_color_col)
wlv->draw_color_col = advance_color_col(VCOL_HLC, &wlv->color_cols);
if (((wp->w_p_cuc
&& (int)wp->w_virtcol >= VCOL_HLC - wlv->eol_hl_off
&& (int)wp->w_virtcol <
(long)wp->w_width * (wlv->row - wlv->startrow + 1) + v
&& wlv->lnum != wp->w_cursor.lnum)
|| wlv->draw_color_col
# ifdef LINE_ATTR
|| wlv->line_attr != 0
# endif
|| wlv->win_attr != 0))
{
int rightmost_vcol = 0;
int i;
if (wp->w_p_cuc)
rightmost_vcol = wp->w_virtcol;
if (wlv->draw_color_col)
// determine rightmost colorcolumn to possibly draw
for (i = 0; wlv->color_cols[i] >= 0; ++i)
if (rightmost_vcol < wlv->color_cols[i])
rightmost_vcol = wlv->color_cols[i];
while (
# ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? (wlv->col >= 0) :
# endif
(wlv->col < wp->w_width))
{
ScreenLines[wlv->off] = ' ';
if (enc_utf8)
ScreenLinesUC[wlv->off] = 0;
if (wlv->draw_color_col)
wlv->draw_color_col = advance_color_col(
VCOL_HLC, &wlv->color_cols);
int attr = wlv->win_attr;
# ifdef LINE_ATTR
if (wlv->line_attr != 0)
attr = hl_combine_attr(attr, wlv->line_attr);
# endif
if (wp->w_p_cuc && VCOL_HLC == (long)wp->w_virtcol
&& wlv->lnum != wp->w_cursor.lnum)
attr = hl_combine_attr(attr, HL_ATTR(HLF_CUC));
else if (wlv->draw_color_col && VCOL_HLC == *wlv->color_cols)
attr = hl_combine_attr(attr, HL_ATTR(HLF_MC));
ScreenAttrs[wlv->off] = attr;
ScreenCols[wlv->off] = wlv->vcol;
# ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
--wlv->off;
--wlv->col;
}
else
# endif
{
++wlv->off;
++wlv->col;
}
++wlv->vcol;
if (VCOL_HLC > rightmost_vcol
# ifdef LINE_ATTR
&& wlv->line_attr == 0
# endif
&& wlv->win_attr == 0)
break;
}
}
#endif
// Set increasing virtual columns in ScreenCols[] to set correct curswant
// (or "coladd" for 'virtualedit') when clicking after end of line.
wlv->screen_line_flags |= SLF_INC_VCOL;
wlv_screen_line(wp, wlv, TRUE);
wlv->screen_line_flags &= ~SLF_INC_VCOL;
++wlv->row;
++wlv->screen_row;
}
#undef VCOL_HLC
/*
* Start a screen line at column zero.
* When "save_extra" is TRUE save and reset n_extra, p_extra, etc.
*/
static void
win_line_start(win_T *wp UNUSED, winlinevars_T *wlv, int save_extra)
{
wlv->col = 0;
wlv->off = (unsigned)(current_ScreenLine - ScreenLines);
#ifdef FEAT_LINEBREAK
wlv->need_lbr = FALSE;
#endif
#ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
// Rightleft window: process the text in the normal direction, but put
// it in current_ScreenLine[] from right to left. Start at the
// rightmost column of the window.
wlv->col = wp->w_width - 1;
wlv->off += wlv->col;
wlv->screen_line_flags |= SLF_RIGHTLEFT;
}
#endif
if (save_extra)
{
// reset the drawing state for the start of a wrapped line
wlv->draw_state = WL_START;
wlv->saved_n_extra = wlv->n_extra;
wlv->saved_p_extra = wlv->p_extra;
vim_free(wlv->saved_p_extra_free);
wlv->saved_p_extra_free = wlv->p_extra_free;
wlv->p_extra_free = NULL;
wlv->saved_extra_attr = wlv->extra_attr;
wlv->saved_n_attr_skip = wlv->n_attr_skip;
wlv->saved_extra_for_textprop = wlv->extra_for_textprop;
wlv->saved_c_extra = wlv->c_extra;
wlv->saved_c_final = wlv->c_final;
#ifdef FEAT_LINEBREAK
wlv->need_lbr = TRUE;
#endif
#ifdef FEAT_SYN_HL
if (!(wlv->cul_screenline
# ifdef FEAT_DIFF
&& wlv->diff_hlf == (hlf_T)0
# endif
))
wlv->saved_char_attr = wlv->char_attr;
else
#endif
wlv->saved_char_attr = 0;
// these are not used until restored in win_line_continue()
wlv->n_extra = 0;
wlv->n_attr_skip = 0;
}
}
/*
* Called when wlv->draw_state is set to WL_LINE.
*/
static void
win_line_continue(winlinevars_T *wlv)
{
if (wlv->saved_n_extra > 0)
{
// Continue item from end of wrapped line.
wlv->n_extra = wlv->saved_n_extra;
wlv->saved_n_extra = 0;
wlv->c_extra = wlv->saved_c_extra;
wlv->c_final = wlv->saved_c_final;
wlv->p_extra = wlv->saved_p_extra;
vim_free(wlv->p_extra_free);
wlv->p_extra_free = wlv->saved_p_extra_free;
wlv->saved_p_extra_free = NULL;
wlv->extra_attr = wlv->saved_extra_attr;
wlv->n_attr_skip = wlv->saved_n_attr_skip;
wlv->extra_for_textprop = wlv->saved_extra_for_textprop;
wlv->char_attr = wlv->saved_char_attr;
}
else
wlv->char_attr = wlv->win_attr;
}
#ifdef FEAT_SYN_HL
static void
apply_cursorline_highlight(
winlinevars_T *wlv,
int sign_present UNUSED)
{
wlv->cul_attr = HL_ATTR(HLF_CUL);
# ifdef FEAT_SIGNS
// Combine the 'cursorline' and sign highlighting, depending on
// the sign priority.
if (sign_present && wlv->sattr.sat_linehl > 0)
{
if (wlv->sattr.sat_priority >= 100)
wlv->line_attr = hl_combine_attr(wlv->cul_attr, wlv->line_attr);
else
wlv->line_attr = hl_combine_attr(wlv->line_attr, wlv->cul_attr);
}
else
# endif
# if defined(FEAT_QUICKFIX)
// let the line attribute overrule 'cursorline', otherwise
// it disappears when both have background set;
// 'cursorline' can use underline or bold to make it show
wlv->line_attr = hl_combine_attr(wlv->cul_attr, wlv->line_attr);
# else
wlv->line_attr = wlv->cul_attr;
# endif
}
#endif
/*
* Display line "lnum" of window "wp" on the screen.
* Start at row "startrow", stop when "endrow" is reached.
* When only updating the number column, "number_only" is set to the height of
* the line, otherwise it is set to 0.
* "spv" is used to store information for spell checking, kept between
* sequential calls for the same window.
* wp->w_virtcol needs to be valid.
*
* Return the number of last row the line occupies.
*/
int
win_line(
win_T *wp,
linenr_T lnum,
int startrow,
int endrow,
int number_only,
spellvars_T *spv UNUSED)
{
winlinevars_T wlv; // variables passed between functions
int c = 0; // init for GCC
long vcol_prev = -1; // "wlv.vcol" of previous character
char_u *line; // current line
char_u *ptr; // current position in "line"
int in_curline = wp == curwin && lnum == curwin->w_cursor.lnum;
#ifdef FEAT_PROP_POPUP
char_u *p_extra_free2 = NULL; // another p_extra to be freed
#endif
#if defined(FEAT_LINEBREAK) && defined(FEAT_PROP_POPUP)
int in_linebreak = FALSE; // n_extra set for showing linebreak
#endif
int lcs_eol_one = wp->w_lcs_chars.eol; // eol until it's been used
int lcs_prec_todo = wp->w_lcs_chars.prec;
// prec until it's been used
int n_attr = 0; // chars with special attr
int saved_attr2 = 0; // char_attr saved for n_attr
int n_attr3 = 0; // chars with overruling special attr
int saved_attr3 = 0; // char_attr saved for n_attr3
int skip_cells = 0; // nr of cells to skip for w_leftcol or
// w_skipcol or concealing
int skipped_cells = 0; // nr of skipped cells for virtual text
// to be added to wlv.vcol later
int fromcol_prev = -2; // start of inverting after cursor
int noinvcur = FALSE; // don't invert the cursor
int lnum_in_visual_area = FALSE;
pos_T pos;
long v;
int attr_pri = FALSE; // char_attr has priority
int area_highlighting = FALSE; // Visual or incsearch highlighting
// in this line
int vi_attr = 0; // attributes for Visual and incsearch
// highlighting
int area_attr = 0; // attributes desired by highlighting
int search_attr = 0; // attributes desired by 'hlsearch' or
// ComplMatchIns
#ifdef FEAT_SYN_HL
int vcol_save_attr = 0; // saved attr for 'cursorcolumn'
int syntax_attr = 0; // attributes desired by syntax
int prev_syntax_col = -1; // column of prev_syntax_attr
int prev_syntax_attr = 0; // syntax_attr at prev_syntax_col
int has_syntax = FALSE; // this buffer has syntax highl.
int save_did_emsg;
#endif
#ifdef FEAT_PROP_POPUP
int did_line = FALSE; // set to TRUE when line text done
int text_prop_count;
int last_textprop_text_idx = -1;
int text_prop_next = 0; // next text property to use
textprop_T *text_props = NULL;
int *text_prop_idxs = NULL;
int text_props_active = 0;
proptype_T *text_prop_type = NULL;
int text_prop_attr = 0;
int text_prop_attr_comb = 0; // text_prop_attr combined with
// syntax_attr
int text_prop_id = 0; // active property ID
int text_prop_flags = 0;
int text_prop_above = FALSE; // first doing virtual text above
int text_prop_follows = FALSE; // another text prop to display
int saved_search_attr = 0; // search_attr to be used when n_extra
// goes to zero
int saved_area_attr = 0; // idem for area_attr
int reset_extra_attr = FALSE;
#endif
#ifdef FEAT_SPELL
int can_spell = FALSE;
# define SPWORDLEN 150
char_u nextline[SPWORDLEN * 2];// text with start of the next line
int nextlinecol = 0; // column where nextline[] starts
int nextline_idx = 0; // index in nextline[] where next line
// starts
int spell_attr = 0; // attributes desired by spelling
int word_end = 0; // last byte with same spell_attr
int cur_checked_col = 0; // checked column for current line
#endif
int extra_check = FALSE; // has extra highlighting
int multi_attr = 0; // attributes desired by multibyte
int mb_l = 1; // multi-byte byte length
int mb_c = 0; // decoded multi-byte character
int mb_utf8 = FALSE; // screen char is UTF-8 char
int u8cc[MAX_MCO]; // composing UTF-8 chars
#ifdef FEAT_DIFF
int change_start = MAXCOL; // first col of changed area
int change_end = -1; // last col of changed area
#endif
colnr_T trailcol = MAXCOL; // start of trailing spaces
colnr_T leadcol = 0; // start of leading spaces
int in_multispace = FALSE; // in multiple consecutive spaces
int multispace_pos = 0; // position in lcs-multispace string
#ifdef LINE_ATTR
int line_attr_save = 0;
#endif
int sign_present = FALSE;
int num_attr = 0; // attribute for the number column
#ifdef FEAT_ARABIC
int prev_c = 0; // previous Arabic character
int prev_c1 = 0; // first composing char for prev_c
#endif
#if defined(LINE_ATTR)
int did_line_attr = 0;
#endif
#ifdef FEAT_TERMINAL
int get_term_attr = FALSE;
#endif
#if defined(FEAT_SYN_HL) || defined(FEAT_DIFF)
// margin columns for the screen line, needed for when 'cursorlineopt'
// contains "screenline"
int left_curline_col = 0;
int right_curline_col = 0;
#endif
#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
int feedback_col = 0;
int feedback_old_attr = -1;
#endif
#if defined(FEAT_CONCEAL) || defined(FEAT_SEARCH_EXTRA)
int match_conc = 0; // cchar for match functions
#endif
#if defined(FEAT_CONCEAL) || defined(FEAT_SEARCH_EXTRA) || defined(FEAT_LINEBREAK)
int on_last_col = FALSE;
#endif
#ifdef FEAT_CONCEAL
int syntax_flags = 0;
int syntax_seqnr = 0;
int prev_syntax_id = 0;
int conceal_attr = HL_ATTR(HLF_CONCEAL);
int is_concealing = FALSE;
int did_wcol = FALSE;
int old_boguscols = 0;
# define VCOL_HLC (wlv.vcol - wlv.vcol_off_co - wlv.vcol_off_tp)
# define FIX_FOR_BOGUSCOLS \
{ \
wlv.n_extra += wlv.vcol_off_co; \
wlv.vcol -= wlv.vcol_off_co; \
wlv.vcol_off_co = 0; \
wlv.col -= wlv.boguscols; \
old_boguscols = wlv.boguscols; \
wlv.boguscols = 0; \
}
#else
# define VCOL_HLC (wlv.vcol - wlv.vcol_off_tp)
#endif
if (startrow > endrow) // past the end already!
return startrow;
CLEAR_FIELD(wlv);
wlv.lnum = lnum;
wlv.startrow = startrow;
wlv.row = startrow;
wlv.screen_row = wlv.row + W_WINROW(wp);
wlv.fromcol = -10;
wlv.tocol = MAXCOL;
#ifdef FEAT_LINEBREAK
wlv.vcol_sbr = -1;
#endif
if (number_only == 0)
{
// To speed up the loop below, set extra_check when there is linebreak,
// trailing white space and/or syntax processing to be done.
#ifdef FEAT_LINEBREAK
extra_check = wp->w_p_lbr;
#endif
#ifdef FEAT_SYN_HL
if (syntax_present(wp) && !wp->w_s->b_syn_error
# ifdef SYN_TIME_LIMIT
&& !wp->w_s->b_syn_slow
# endif
)
{
// Prepare for syntax highlighting in this line. When there is an
// error, stop syntax highlighting.
save_did_emsg = did_emsg;
did_emsg = FALSE;
syntax_start(wp, lnum);
if (did_emsg)
wp->w_s->b_syn_error = TRUE;
else
{
did_emsg = save_did_emsg;
#ifdef SYN_TIME_LIMIT
if (!wp->w_s->b_syn_slow)
#endif
{
has_syntax = TRUE;
extra_check = TRUE;
}
}
}
// Check for columns to display for 'colorcolumn'.
wlv.color_cols = wp->w_p_cc_cols;
if (wlv.color_cols != NULL)
wlv.draw_color_col = advance_color_col(VCOL_HLC, &wlv.color_cols);
#endif
#ifdef FEAT_TERMINAL
if (term_show_buffer(wp->w_buffer))
{
extra_check = TRUE;
get_term_attr = TRUE;
wlv.win_attr = term_get_attr(wp, lnum, -1);
}
#endif
// handle Visual active in this window
if (VIsual_active && wp->w_buffer == curwin->w_buffer)
{
pos_T *top, *bot;
if (LTOREQ_POS(curwin->w_cursor, VIsual))
{
// Visual is after curwin->w_cursor
top = &curwin->w_cursor;
bot = &VIsual;
}
else
{
// Visual is before curwin->w_cursor
top = &VIsual;
bot = &curwin->w_cursor;
}
lnum_in_visual_area = (lnum >= top->lnum && lnum <= bot->lnum);
if (VIsual_mode == Ctrl_V)
{
// block mode
if (lnum_in_visual_area)
{
wlv.fromcol = wp->w_old_cursor_fcol;
wlv.tocol = wp->w_old_cursor_lcol;
}
}
else
{
// non-block mode
if (lnum > top->lnum && lnum <= bot->lnum)
wlv.fromcol = 0;
else if (lnum == top->lnum)
{
if (VIsual_mode == 'V') // linewise
wlv.fromcol = 0;
else
{
getvvcol(wp, top, (colnr_T *)&wlv.fromcol, NULL, NULL);
if (gchar_pos(top) == NUL)
wlv.tocol = wlv.fromcol + 1;
}
}
if (VIsual_mode != 'V' && lnum == bot->lnum)
{
if (*p_sel == 'e' && bot->col == 0 && bot->coladd == 0)
{
wlv.fromcol = -10;
wlv.tocol = MAXCOL;
}
else if (bot->col == MAXCOL)
wlv.tocol = MAXCOL;
else
{
pos = *bot;
if (*p_sel == 'e')
getvvcol(wp, &pos, (colnr_T *)&wlv.tocol,
NULL, NULL);
else
{
getvvcol(wp, &pos, NULL, NULL,
(colnr_T *)&wlv.tocol);
++wlv.tocol;
}
}
}
}
// Check if the character under the cursor should not be inverted
if (!highlight_match && in_curline
#ifdef FEAT_GUI
&& !gui.in_use
#endif
)
noinvcur = TRUE;
// if inverting in this line set area_highlighting
if (wlv.fromcol >= 0)
{
area_highlighting = TRUE;
vi_attr = HL_ATTR(HLF_V);
#if defined(FEAT_CLIPBOARD) && defined(FEAT_X11)
if ((clip_star.available && !clip_star.owned
&& clip_isautosel_star())
|| (clip_plus.available && !clip_plus.owned
&& clip_isautosel_plus()))
vi_attr = HL_ATTR(HLF_VNC);
#endif
}
}
// handle 'incsearch' and ":s///c" highlighting
else if (highlight_match
&& wp == curwin
&& lnum >= curwin->w_cursor.lnum
&& lnum <= curwin->w_cursor.lnum + search_match_lines)
{
if (lnum == curwin->w_cursor.lnum)
getvcol(curwin, &(curwin->w_cursor),
(colnr_T *)&wlv.fromcol, NULL, NULL);
else
wlv.fromcol = 0;
if (lnum == curwin->w_cursor.lnum + search_match_lines)
{
pos.lnum = lnum;
pos.col = search_match_endcol;
getvcol(curwin, &pos, (colnr_T *)&wlv.tocol, NULL, NULL);
}
else
wlv.tocol = MAXCOL;
// do at least one character; happens when past end of line
if (wlv.fromcol == wlv.tocol && search_match_endcol)
wlv.tocol = wlv.fromcol + 1;
area_highlighting = TRUE;
vi_attr = HL_ATTR(HLF_I);
}
}
#ifdef FEAT_DIFF
int linestatus = 0;
wlv.filler_lines = diff_check_with_linestatus(wp, lnum, &linestatus);
if (wlv.filler_lines < 0 || linestatus < 0)
{
if (wlv.filler_lines == -1 || linestatus == -1)
{
if (diff_find_change(wp, lnum, &change_start, &change_end))
wlv.diff_hlf = HLF_ADD; // added line
else if (change_start == 0)
wlv.diff_hlf = HLF_TXD; // changed text
else
wlv.diff_hlf = HLF_CHD; // changed line
}
else
wlv.diff_hlf = HLF_ADD;
if (linestatus == 0)
wlv.filler_lines = 0;
area_highlighting = TRUE;
}
if (lnum == wp->w_topline)
wlv.filler_lines = wp->w_topfill;
wlv.filler_todo = wlv.filler_lines;
#endif
#ifdef FEAT_SIGNS
sign_present = buf_get_signattrs(wp, lnum, &wlv.sattr);
if (sign_present)
num_attr = wlv.sattr.sat_numhl;
#endif
#ifdef LINE_ATTR
# ifdef FEAT_SIGNS
// If this line has a sign with line highlighting set wlv.line_attr.
if (sign_present)
wlv.line_attr = wlv.sattr.sat_linehl;
# endif
# if defined(FEAT_QUICKFIX)
// Highlight the current line in the quickfix window.
if (bt_quickfix(wp->w_buffer) && qf_current_entry(wp) == lnum)
wlv.line_attr = HL_ATTR(HLF_QFL);
# endif
if (wlv.line_attr != 0)
area_highlighting = TRUE;
#endif
#ifdef FEAT_SPELL
if (spv->spv_has_spell && number_only == 0)
{
// Prepare for spell checking.
extra_check = TRUE;
// When a word wrapped from the previous line the start of the
// current line is valid.
if (lnum == spv->spv_checked_lnum)
cur_checked_col = spv->spv_checked_col;
// Previous line was not spell checked, check for capital. This happens
// for the first line in an updated region or after a closed fold.
if (spv->spv_capcol_lnum == 0 && check_need_cap(wp, lnum, 0))
spv->spv_cap_col = 0;
else if (lnum != spv->spv_capcol_lnum)
spv->spv_cap_col = -1;
spv->spv_checked_lnum = 0;
// Get the start of the next line, so that words that wrap to the
// next line are found too: "et<line-break>al.".
// Trick: skip a few chars for C/shell/Vim comments
nextline[SPWORDLEN] = NUL;
if (lnum < wp->w_buffer->b_ml.ml_line_count)
{
line = ml_get_buf(wp->w_buffer, lnum + 1, FALSE);
spell_cat_line(nextline + SPWORDLEN, line, SPWORDLEN);
}
line = ml_get_buf(wp->w_buffer, lnum, FALSE);
// If current line is empty, check first word in next line for capital.
ptr = skipwhite(line);
if (*ptr == NUL)
{
spv->spv_cap_col = 0;
spv->spv_capcol_lnum = lnum + 1;
}
// For checking first word with a capital skip white space.
else if (spv->spv_cap_col == 0)
spv->spv_cap_col = ptr - line;
// Copy the end of the current line into nextline[].
if (nextline[SPWORDLEN] == NUL)
{
// No next line or it is empty.
nextlinecol = MAXCOL;
nextline_idx = 0;
}
else
{
v = ml_get_buf_len(wp->w_buffer, lnum);
if (v < SPWORDLEN)
{
// Short line, use it completely and append the start of the
// next line.
nextlinecol = 0;
mch_memmove(nextline, line, (size_t)v);
STRMOVE(nextline + v, nextline + SPWORDLEN);
nextline_idx = v + 1;
}
else
{
// Long line, use only the last SPWORDLEN bytes.
nextlinecol = v - SPWORDLEN;
mch_memmove(nextline, line + nextlinecol, SPWORDLEN);
nextline_idx = SPWORDLEN + 1;
}
}
}
#endif
line = ml_get_buf(wp->w_buffer, lnum, FALSE);
ptr = line;
if (wp->w_p_list)
{
if (wp->w_lcs_chars.space
|| wp->w_lcs_chars.multispace != NULL
|| wp->w_lcs_chars.leadmultispace != NULL
|| wp->w_lcs_chars.trail
|| wp->w_lcs_chars.lead
|| wp->w_lcs_chars.nbsp)
extra_check = TRUE;
// find start of trailing whitespace
if (wp->w_lcs_chars.trail)
{
trailcol = ml_get_buf_len(wp->w_buffer, lnum);
while (trailcol > (colnr_T)0 && VIM_ISWHITE(ptr[trailcol - 1]))
--trailcol;
trailcol += (colnr_T)(ptr - line);
}
// find end of leading whitespace
if (wp->w_lcs_chars.lead || wp->w_lcs_chars.leadmultispace != NULL)
{
leadcol = 0;
while (VIM_ISWHITE(ptr[leadcol]))
++leadcol;
if (ptr[leadcol] == NUL)
// in a line full of spaces all of them are treated as trailing
leadcol = (colnr_T)0;
else
// keep track of the first column not filled with spaces
leadcol += (colnr_T)(ptr - line) + 1;
}
}
wlv.wcr_attr = get_wcr_attr(wp);
if (wlv.wcr_attr != 0)
{
wlv.win_attr = wlv.wcr_attr;
area_highlighting = TRUE;
}
// When w_skipcol is non-zero and there is virtual text above the actual
// text, then this much of the virtual text is skipped.
int skipcol_in_text_prop_above = 0;
#ifdef FEAT_PROP_POPUP
if (WIN_IS_POPUP(wp))
wlv.screen_line_flags |= SLF_POPUP;
char_u *prop_start;
text_prop_count = get_text_props(wp->w_buffer, lnum, &prop_start, FALSE);
if (text_prop_count > 0)
{
// Make a copy of the properties, so that they are properly
// aligned.
text_props = ALLOC_MULT(textprop_T, text_prop_count);
if (text_props != NULL)
mch_memmove(text_props, prop_start,
text_prop_count * sizeof(textprop_T));
// Allocate an array for the indexes.
text_prop_idxs = ALLOC_MULT(int, text_prop_count);
if (text_prop_idxs == NULL)
VIM_CLEAR(text_props);
if (text_props != NULL)
{
area_highlighting = TRUE;
extra_check = TRUE;
/* Find the last text property that inserts text. */
for (int i = 0; i < text_prop_count; ++i)
if (text_props[i].tp_id < 0)
last_textprop_text_idx = i;
// Text props "above" move the line number down to where the text
// is. Only count the ones that are visible, not those that are
// skipped because of w_skipcol.
int text_width = wp->w_width - win_col_off(wp);
for (int i = text_prop_count - 1; i >= 0; --i)
if (text_props[i].tp_flags & TP_FLAG_ALIGN_ABOVE)
{
if (lnum == wp->w_topline
&& wp->w_skipcol - skipcol_in_text_prop_above
>= text_width)
{
// This virtual text above is skipped, remove it from
// the array.
skipcol_in_text_prop_above += text_width;
for (int j = i + 1; j < text_prop_count; ++j)
text_props[j - 1] = text_props[j];
++i;
--text_prop_count;
}
else
++wlv.text_prop_above_count;
}
}
}
if (number_only > 0)
{
// skip over rows only used for virtual text above
wlv.row += wlv.text_prop_above_count;
if (wlv.row >= endrow)
{
vim_free(text_props);
vim_free(text_prop_idxs);
return wlv.row;
}
wlv.screen_row += wlv.text_prop_above_count;
}
#endif
#if defined(FEAT_LINEBREAK) || defined(FEAT_PROP_POPUP)
colnr_T vcol_first_char = 0;
if (wp->w_p_lbr && number_only == 0)
{
chartabsize_T cts;
init_chartabsize_arg(&cts, wp, lnum, 0, line, line);
(void)win_lbr_chartabsize(&cts, NULL);
vcol_first_char = cts.cts_first_char;
clear_chartabsize_arg(&cts);
}
#endif
// 'nowrap' or 'wrap' and a single line that doesn't fit: Advance to the
// first character to be displayed.
if (wp->w_p_wrap)
v = startrow == 0 ? wp->w_skipcol - skipcol_in_text_prop_above : 0;
else
v = wp->w_leftcol;
if (v > 0 && number_only == 0)
{
char_u *prev_ptr = ptr;
chartabsize_T cts;
int charsize = 0;
int head = 0;
init_chartabsize_arg(&cts, wp, lnum, wlv.vcol, line, ptr);
cts.cts_max_head_vcol = v;
while (cts.cts_vcol < v && *cts.cts_ptr != NUL)
{
head = 0;
charsize = win_lbr_chartabsize(&cts, &head);
cts.cts_vcol += charsize;
prev_ptr = cts.cts_ptr;
MB_PTR_ADV(cts.cts_ptr);
if (wp->w_p_list)
{
in_multispace = *prev_ptr == ' ' && (*cts.cts_ptr == ' '
|| (prev_ptr > line && prev_ptr[-1] == ' '));
if (!in_multispace)
multispace_pos = 0;
else if (cts.cts_ptr >= line + leadcol
&& wp->w_lcs_chars.multispace != NULL)
{
++multispace_pos;
if (wp->w_lcs_chars.multispace[multispace_pos] == NUL)
multispace_pos = 0;
}
else if (cts.cts_ptr < line + leadcol
&& wp->w_lcs_chars.leadmultispace != NULL)
{
++multispace_pos;
if (wp->w_lcs_chars.leadmultispace[multispace_pos] == NUL)
multispace_pos = 0;
}
}
}
wlv.vcol = cts.cts_vcol;
ptr = cts.cts_ptr;
clear_chartabsize_arg(&cts);
// When:
// - 'cuc' is set, or
// - 'colorcolumn' is set, or
// - 'virtualedit' is set, or
// - the visual mode is active,
// the end of the line may be before the start of the displayed part.
if (wlv.vcol < v && (
#ifdef FEAT_SYN_HL
wp->w_p_cuc || wlv.draw_color_col ||
#endif
virtual_active() ||
(VIsual_active && wp->w_buffer == curwin->w_buffer)))
wlv.vcol = v;
// Handle a character that's not completely on the screen: Put ptr at
// that character but skip the first few screen characters.
if (wlv.vcol > v)
{
wlv.vcol -= charsize;
ptr = prev_ptr;
}
if (v > wlv.vcol)
skip_cells = v - wlv.vcol - head;
// Adjust for when the inverted text is before the screen,
// and when the start of the inverted text is before the screen.
if (wlv.tocol <= wlv.vcol)
wlv.fromcol = 0;
else if (wlv.fromcol >= 0 && wlv.fromcol < wlv.vcol)
wlv.fromcol = wlv.vcol;
#ifdef FEAT_LINEBREAK
// When w_skipcol is non-zero, first line needs 'showbreak'
if (wp->w_p_wrap)
wlv.need_showbreak = TRUE;
#endif
#ifdef FEAT_SPELL
// When spell checking a word we need to figure out the start of the
// word and if it's badly spelled or not.
if (spv->spv_has_spell)
{
int len;
colnr_T linecol = (colnr_T)(ptr - line);
hlf_T spell_hlf = HLF_COUNT;
pos = wp->w_cursor;
wp->w_cursor.lnum = lnum;
wp->w_cursor.col = linecol;
len = spell_move_to(wp, FORWARD, SMT_ALL, TRUE, &spell_hlf);
// spell_move_to() may call ml_get() and make "line" invalid
line = ml_get_buf(wp->w_buffer, lnum, FALSE);
ptr = line + linecol;
if (len == 0 || (int)wp->w_cursor.col > linecol)
{
// no bad word found at line start, don't check until end of a
// word
spell_hlf = HLF_COUNT;
word_end = (int)(spell_to_word_end(ptr, wp) - line + 1);
}
else
{
// bad word found, use attributes until end of word
word_end = wp->w_cursor.col + len + 1;
// Turn index into actual attributes.
if (spell_hlf != HLF_COUNT)
spell_attr = highlight_attr[spell_hlf];
}
wp->w_cursor = pos;
# ifdef FEAT_SYN_HL
// Need to restart syntax highlighting for this line.
if (has_syntax)
syntax_start(wp, lnum);
# endif
}
#endif
}
// Correct highlighting for cursor that can't be disabled.
// Avoids having to check this for each character.
if (wlv.fromcol >= 0)
{
if (noinvcur)
{
if ((colnr_T)wlv.fromcol == wp->w_virtcol)
{
// highlighting starts at cursor, let it start just after the
// cursor
fromcol_prev = wlv.fromcol;
wlv.fromcol = -1;
}
else if ((colnr_T)wlv.fromcol < wp->w_virtcol)
// restart highlighting after the cursor
fromcol_prev = wp->w_virtcol;
}
if (wlv.fromcol >= wlv.tocol)
wlv.fromcol = -1;
}
#ifdef FEAT_SEARCH_EXTRA
if (number_only == 0)
{
v = (long)(ptr - line);
area_highlighting |= prepare_search_hl_line(wp, lnum, (colnr_T)v,
&line, &screen_search_hl,
&search_attr);
ptr = line + v; // "line" may have been updated
}
#endif
if ((State & MODE_INSERT) && ins_compl_win_active(wp)
&& (in_curline || ins_compl_lnum_in_range(lnum)))
area_highlighting = TRUE;
#ifdef FEAT_SYN_HL
// Cursor line highlighting for 'cursorline' in the current window.
if (wp->w_p_cul && lnum == wp->w_cursor.lnum)
{
// Do not show the cursor line in the text when Visual mode is active,
// because it's not clear what is selected then.
if (!(wp == curwin && VIsual_active)
&& wp->w_p_culopt_flags != CULOPT_NBR)
{
wlv.cul_screenline = (wp->w_p_wrap
&& (wp->w_p_culopt_flags & CULOPT_SCRLINE));
// Only apply CursorLine highlight here when "screenline" is not
// present in 'cursorlineopt'. Otherwise it's done later.
if (!wlv.cul_screenline)
apply_cursorline_highlight(&wlv, sign_present);
else
{
line_attr_save = wlv.line_attr;
margin_columns_win(wp, &left_curline_col, &right_curline_col);
}
area_highlighting = TRUE;
}
}
#endif
win_line_start(wp, &wlv, FALSE);
// Repeat for the whole displayed line.
for (;;)
{
#if defined(FEAT_CONCEAL) || defined(FEAT_SEARCH_EXTRA)
int has_match_conc = 0; // match wants to conceal
#endif
#ifdef FEAT_CONCEAL
int did_decrement_ptr = FALSE;
#endif
// Skip this quickly when working on the text.
if (wlv.draw_state != WL_LINE)
{
#ifdef FEAT_SYN_HL
if (wlv.cul_screenline)
{
wlv.cul_attr = 0;
wlv.line_attr = line_attr_save;
}
#endif
if (wlv.draw_state == WL_CMDLINE - 1 && wlv.n_extra == 0)
{
wlv.draw_state = WL_CMDLINE;
if (wp == cmdwin_win)
{
// Draw the cmdline character.
wlv.n_extra = 1;
wlv.c_extra = cmdwin_type;
wlv.c_final = NUL;
wlv.char_attr =
hl_combine_attr(wlv.wcr_attr, HL_ATTR(HLF_AT));
}
}
#ifdef FEAT_FOLDING
if (wlv.draw_state == WL_FOLD - 1 && wlv.n_extra == 0)
{
wlv.draw_state = WL_FOLD;
handle_foldcolumn(wp, &wlv);
}
#endif
#ifdef FEAT_SIGNS
if (wlv.draw_state == WL_SIGN - 1 && wlv.n_extra == 0)
{
// Show the sign column when desired or when using Netbeans.
wlv.draw_state = WL_SIGN;
if (signcolumn_on(wp))
get_sign_display_info(FALSE, wp, &wlv);
}
#endif
if (wlv.draw_state == WL_NR - 1 && wlv.n_extra == 0)
{
// Show the line number, if desired.
wlv.draw_state = WL_NR;
handle_lnum_col(wp, &wlv, sign_present, num_attr);
}
// When only displaying the (relative) line number and that's done,
// stop here.
if (number_only > 0 && wlv.draw_state == WL_NR && wlv.n_extra == 0)
{
wlv_screen_line(wp, &wlv, FALSE);
// Need to update more screen lines if:
// - LineNrAbove or LineNrBelow is used, or
// - still drawing filler lines.
if ((wlv.row + 1 - wlv.startrow < number_only
&& (HL_ATTR(HLF_LNA) != 0 || HL_ATTR(HLF_LNB) != 0))
#ifdef FEAT_DIFF
|| wlv.filler_todo > 0
#endif
)
{
++wlv.row;
++wlv.screen_row;
if (wlv.row == endrow)
break;
#ifdef FEAT_DIFF
--wlv.filler_todo;
if (wlv.filler_todo == 0 && wp->w_botfill)
break;
#endif
win_line_start(wp, &wlv, TRUE);
continue;
}
else
break;
}
#ifdef FEAT_LINEBREAK
// Check if 'breakindent' applies and show it.
// May change wlv.draw_state to WL_BRI or WL_BRI - 1.
if (wlv.n_extra == 0)
handle_breakindent(wp, &wlv);
#endif
#if defined(FEAT_LINEBREAK) || defined(FEAT_DIFF)
if (wlv.draw_state == WL_SBR - 1 && wlv.n_extra == 0)
{
wlv.draw_state = WL_SBR;
handle_showbreak_and_filler(wp, &wlv);
}
#endif
if (wlv.draw_state == WL_LINE - 1 && wlv.n_extra == 0)
{
wlv.draw_state = WL_LINE;
win_line_continue(&wlv); // use wlv.saved_ values
}
}
#ifdef FEAT_SYN_HL
if (wlv.cul_screenline && wlv.draw_state == WL_LINE
&& wlv.vcol >= left_curline_col
&& wlv.vcol < right_curline_col)
apply_cursorline_highlight(&wlv, sign_present);
#endif
// When still displaying '$' of change command, stop at cursor.
if (dollar_vcol >= 0 && in_curline && wlv.vcol >= (long)wp->w_virtcol)
{
wlv_screen_line(wp, &wlv, FALSE);
// Pretend we have finished updating the window. Except when
// 'cursorcolumn' is set.
#ifdef FEAT_SYN_HL
if (wp->w_p_cuc)
wlv.row = wp->w_cline_row + wp->w_cline_height;
else
#endif
wlv.row = wp->w_height;
break;
}
if (wlv.draw_state == WL_LINE && (area_highlighting || extra_check))
{
#ifdef FEAT_PROP_POPUP
if (text_props != NULL)
{
int pi;
int bcol = (int)(ptr - line);
if (wlv.n_extra > 0
# ifdef FEAT_LINEBREAK
&& !in_linebreak
# endif
)
--bcol; // still working on the previous char, e.g. Tab
// Check if any active property ends.
for (pi = 0; pi < text_props_active; ++pi)
{
int tpi = text_prop_idxs[pi];
textprop_T *tp = &text_props[tpi];
// An inline property ends when after the start column plus
// length. An "above" property ends when used and n_extra
// is zero.
if ((tp->tp_col != MAXCOL
&& bcol >= tp->tp_col - 1 + tp->tp_len))
{
if (pi + 1 < text_props_active)
mch_memmove(text_prop_idxs + pi,
text_prop_idxs + pi + 1,
sizeof(int)
* (text_props_active - (pi + 1)));
--text_props_active;
--pi;
# ifdef FEAT_LINEBREAK
// not exactly right but should work in most cases
if (in_linebreak && syntax_attr == text_prop_attr_comb)
syntax_attr = 0;
# endif
}
}
# ifdef FEAT_LINEBREAK
if (wlv.n_extra > 0 && in_linebreak)
// not on the next char yet, don't start another prop
--bcol;
# endif
// Add any text property that starts in this column.
while (text_prop_next < text_prop_count)
{
int active;
textprop_T *tp = &text_props[text_prop_next];
if (tp->tp_col == MAXCOL)
{
if (bcol == 0 && (tp->tp_flags & TP_FLAG_ALIGN_ABOVE))
active = TRUE;
else if (*ptr != NUL)
break;
else
{
// With 'nowrap' and not in the first screen line only "below"
// text prop can show.
active = wp->w_p_wrap
|| wlv.row == startrow
|| (tp->tp_flags & TP_FLAG_ALIGN_BELOW);
}
}
else
{
if (bcol < tp->tp_col - 1)
break;
active = bcol <= tp->tp_col - 1 + tp->tp_len;
}
if (active)
text_prop_idxs[text_props_active++] = text_prop_next;
++text_prop_next;
}
if (wlv.n_extra == 0 ||
(!wlv.extra_for_textprop
&& !(text_prop_type != NULL &&
text_prop_flags & PT_FLAG_OVERRIDE)
))
{
text_prop_attr = 0;
text_prop_attr_comb = 0;
text_prop_flags = 0;
text_prop_type = NULL;
text_prop_id = 0;
reset_extra_attr = FALSE;
}
if (text_props_active > 0 && wlv.n_extra == 0)
{
int used_tpi = -1;
int used_attr = 0;
int other_tpi = -1;
text_prop_above = FALSE;
text_prop_follows = FALSE;
// Sort the properties on priority and/or starting last.
// Then combine the attributes, highest priority last.
sort_text_props(wp->w_buffer, text_props,
text_prop_idxs, text_props_active);
for (pi = 0; pi < text_props_active; ++pi)
{
int tpi = text_prop_idxs[pi];
textprop_T *tp = &text_props[tpi];
proptype_T *pt = text_prop_type_by_id(
wp->w_buffer, tp->tp_type);
// Only use a text property that can be displayed.
// Skip "after" properties when wrap is off and at the
// end of the window.
if (pt != NULL
&& (pt->pt_hl_id > 0 || tp->tp_id < 0)
&& tp->tp_id != -MAXCOL
&& !(tp->tp_id < 0
&& !wp->w_p_wrap
&& (tp->tp_flags & (TP_FLAG_ALIGN_RIGHT
| TP_FLAG_ALIGN_ABOVE
| TP_FLAG_ALIGN_BELOW)) == 0
&& wlv.col >= wp->w_width))
{
if (tp->tp_col == MAXCOL
&& *ptr == NUL
&& ((wp->w_p_list && lcs_eol_one > 0
&& (tp->tp_flags
& TP_FLAG_ALIGN_ABOVE) == 0)
|| (ptr == line
&& !did_line
&& (tp->tp_flags
& TP_FLAG_ALIGN_BELOW))))
{
// skip this prop, first display the '$' after
// the line or display an empty line
text_prop_follows = TRUE;
continue;
}
if (pt->pt_hl_id > 0)
used_attr = syn_id2attr(pt->pt_hl_id);
text_prop_type = pt;
text_prop_attr =
hl_combine_attr(text_prop_attr, used_attr);
if (used_tpi >= 0 && text_props[used_tpi].tp_id < 0)
other_tpi = used_tpi;
text_prop_flags = pt->pt_flags;
text_prop_id = tp->tp_id;
used_tpi = tpi;
}
}
if (text_prop_id < 0 && used_tpi >= 0
&& -text_prop_id
<= wp->w_buffer->b_textprop_text.ga_len)
{
textprop_T *tp = &text_props[used_tpi];
char_u *p = ((char_u **)wp->w_buffer
->b_textprop_text.ga_data)[
-text_prop_id - 1];
int above = (tp->tp_flags
& TP_FLAG_ALIGN_ABOVE);
int bail_out = FALSE;
// reset the ID in the copy to avoid it being used
// again
tp->tp_id = -MAXCOL;
if (p != NULL)
{
int right = (tp->tp_flags
& TP_FLAG_ALIGN_RIGHT);
int below = (tp->tp_flags
& TP_FLAG_ALIGN_BELOW);
int wrap = tp->tp_col < MAXCOL
|| (tp->tp_flags & TP_FLAG_WRAP);
int padding = tp->tp_col == MAXCOL
&& tp->tp_len > 1
? tp->tp_len - 1 : 0;
// Insert virtual text before the current
// character, or add after the end of the line.
wlv.p_extra = p;
wlv.c_extra = NUL;
wlv.c_final = NUL;
wlv.n_extra = (int)STRLEN(p);
wlv.extra_for_textprop = TRUE;
wlv.start_extra_for_textprop = TRUE;
wlv.extra_attr = hl_combine_attr(wlv.win_attr,
used_attr);
n_attr = mb_charlen(p);
text_prop_attr = 0;
text_prop_attr_comb = 0;
if (*ptr == NUL)
// don't combine char attr after EOL
text_prop_flags &= ~PT_FLAG_COMBINE;
# ifdef FEAT_LINEBREAK
if (above || below || right || !wrap)
{
// no 'showbreak' before "below" text property
// or after "above" or "right" text property
wlv.need_showbreak = FALSE;
wlv.dont_use_showbreak = TRUE;
}
# endif
if ((right || above || below || !wrap
|| padding > 0) && wp->w_width > 2)
{
char_u *prev_p_extra = wlv.p_extra;
int start_line;
// Take care of padding, right-align and
// truncation.
// Shared with win_lbr_chartabsize(), must do
// exactly the same.
start_line = text_prop_position(wp, tp,
wlv.vcol,
# ifdef FEAT_RIGHTLEFT
wp->w_p_rl
? wp->w_width - wlv.col - 1
:
# endif
wlv.col,
&wlv.n_extra, &wlv.p_extra,
&n_attr, &wlv.n_attr_skip,
skip_cells > 0);
if (wlv.p_extra != prev_p_extra)
{
// wlv.p_extra was allocated
vim_free(p_extra_free2);
p_extra_free2 = wlv.p_extra;
}
if (above)
wlv.vcol_off_tp = vim_strsize(wlv.p_extra);
if (lcs_eol_one < 0
&& wp->w_p_wrap
&& wlv.col
+ wlv.n_extra - 2 > wp->w_width)
// don't bail out at end of line
text_prop_follows = TRUE;
// When 'wrap' is off then for "below" we need
// to start a new line explicitly.
if (start_line)
{
draw_screen_line(wp, &wlv);
// When line got too long for screen break
// here.
if (wlv.row == endrow)
{
++wlv.row;
break;
}
win_line_start(wp, &wlv, TRUE);
bail_out = TRUE;
}
}
}
// If the text didn't reach until the first window
// column we need to skip cells.
if (skip_cells > 0)
{
if (wlv.n_extra > skip_cells)
{
wlv.n_extra -= skip_cells;
wlv.p_extra += skip_cells;
wlv.n_attr_skip -= skip_cells;
if (wlv.n_attr_skip < 0)
wlv.n_attr_skip = 0;
skipped_cells += skip_cells;
skip_cells = 0;
}
else
{
// the whole text is left of the window, drop
// it and advance to the next one
skip_cells -= wlv.n_extra;
skipped_cells += wlv.n_extra;
wlv.n_extra = 0;
wlv.n_attr_skip = 0;
bail_out = TRUE;
}
}
// If another text prop follows the condition below at
// the last window column must know.
// If this is an "above" text prop and 'nowrap' then we
// must wrap anyway.
text_prop_above = above;
text_prop_follows |= other_tpi != -1
&& (wp->w_p_wrap
|| (text_props[other_tpi].tp_flags
& (TP_FLAG_ALIGN_BELOW | TP_FLAG_ALIGN_RIGHT)));
if (bail_out)
// starting a new line for "below"
continue;
}
}
else if (text_prop_next < text_prop_count
&& ((*ptr != NUL && ptr[mb_ptr2len(ptr)] == NUL)
|| (!wp->w_p_wrap && wlv.col == wp->w_width - 1)))
{
// When at last-but-one character and a text property
// follows after it, we may need to flush the line after
// displaying that character.
// Or when not wrapping and at the rightmost column.
int only_below_follows = !wp->w_p_wrap && wlv.col == wp->w_width - 1;
// TODO: Store "after"/"right"/"below" text properties in order
// in the buffer so only `text_props[text_prop_count - 1]`
// needs to be checked for following "below" virtual text
for (int i = text_prop_next; i < text_prop_count; ++i)
{
if (text_props[i].tp_col == MAXCOL
&& (!only_below_follows
|| (text_props[i].tp_flags & TP_FLAG_ALIGN_BELOW)))
{
text_prop_follows = TRUE;
break;
}
}
}
}
if (wlv.start_extra_for_textprop)
{
wlv.start_extra_for_textprop = FALSE;
// restore search_attr and area_attr when n_extra
// is down to zero
saved_search_attr = search_attr;
saved_area_attr = area_attr;
search_attr = 0;
area_attr = 0;
}
#endif
int *area_attr_p =
#ifdef FEAT_PROP_POPUP
wlv.extra_for_textprop ? &saved_area_attr :
#endif
&area_attr;
// handle Visual or match highlighting in this line
if (wlv.vcol == wlv.fromcol
|| (has_mbyte && wlv.vcol + 1 == wlv.fromcol
&& ((wlv.n_extra == 0 && (*mb_ptr2cells)(ptr) > 1)
|| (wlv.n_extra > 0 && wlv.p_extra != NULL
&& (*mb_ptr2cells)(wlv.p_extra) > 1)))
|| ((int)vcol_prev == fromcol_prev
&& vcol_prev < wlv.vcol // not at margin
&& wlv.vcol < wlv.tocol))
*area_attr_p = vi_attr; // start highlighting
else if (*area_attr_p != 0
&& (wlv.vcol == wlv.tocol
|| (noinvcur && (colnr_T)wlv.vcol == wp->w_virtcol)))
*area_attr_p = 0; // stop highlighting
if (wlv.n_extra == 0)
{
#ifdef FEAT_SEARCH_EXTRA
// Check for start/end of 'hlsearch' and other matches.
// After end, check for start/end of next match.
// When another match, have to check for start again.
v = (long)(ptr - line);
search_attr = update_search_hl(wp, lnum, (colnr_T)v, &line,
&screen_search_hl, &has_match_conc,
&match_conc, did_line_attr, lcs_eol_one,
&on_last_col);
ptr = line + v; // "line" may have been changed
// Do not allow a conceal over EOL otherwise EOL will be missed
// and bad things happen.
if (*ptr == NUL)
has_match_conc = 0;
#else
search_attr = 0;
#endif
// Check if ComplMatchIns highlight is needed.
if ((State & MODE_INSERT) && ins_compl_win_active(wp)
&& (in_curline || ins_compl_lnum_in_range(lnum)))
{
int ins_match_attr =
ins_compl_col_range_attr(lnum, (int)(ptr - line));
if (ins_match_attr > 0)
search_attr =
hl_combine_attr(search_attr, ins_match_attr);
}
}
#ifdef FEAT_DIFF
if (wlv.diff_hlf != (hlf_T)0)
{
// When there is extra text (e.g. virtual text) it gets the
// diff highlighting for the line, but not for changed text.
if (wlv.diff_hlf == HLF_CHD && ptr - line >= change_start
&& wlv.n_extra == 0)
wlv.diff_hlf = HLF_TXD; // changed text
if (wlv.diff_hlf == HLF_TXD
&& ((ptr - line > change_end && wlv.n_extra == 0)
|| (wlv.n_extra > 0 && wlv.extra_for_textprop)))
wlv.diff_hlf = HLF_CHD; // changed line
wlv.line_attr = HL_ATTR(wlv.diff_hlf);
if (wp->w_p_cul && lnum == wp->w_cursor.lnum
&& wp->w_p_culopt_flags != CULOPT_NBR
&& (!wlv.cul_screenline || (wlv.vcol >= left_curline_col
&& wlv.vcol <= right_curline_col)))
wlv.line_attr = hl_combine_attr(
wlv.line_attr, HL_ATTR(HLF_CUL));
}
#endif
#ifdef FEAT_SYN_HL
if (extra_check && wlv.n_extra == 0)
{
syntax_attr = 0;
# ifdef FEAT_TERMINAL
if (get_term_attr)
syntax_attr = term_get_attr(wp, lnum, wlv.vcol);
# endif
// Get syntax attribute.
if (has_syntax)
{
// Get the syntax attribute for the character. If there
// is an error, disable syntax highlighting.
save_did_emsg = did_emsg;
did_emsg = FALSE;
v = (long)(ptr - line);
if (v == prev_syntax_col)
// at same column again
syntax_attr = prev_syntax_attr;
else
{
# ifdef FEAT_SPELL
can_spell = TRUE;
# endif
syntax_attr = get_syntax_attr((colnr_T)v,
# ifdef FEAT_SPELL
spv->spv_has_spell ? &can_spell :
# endif
NULL, FALSE);
prev_syntax_col = v;
prev_syntax_attr = syntax_attr;
}
if (did_emsg)
{
wp->w_s->b_syn_error = TRUE;
has_syntax = FALSE;
syntax_attr = 0;
}
else
did_emsg = save_did_emsg;
# ifdef SYN_TIME_LIMIT
if (wp->w_s->b_syn_slow)
has_syntax = FALSE;
# endif
// Need to get the line again, a multi-line regexp may
// have made it invalid.
line = ml_get_buf(wp->w_buffer, lnum, FALSE);
ptr = line + v;
# ifdef FEAT_CONCEAL
// no concealing past the end of the line, it interferes
// with line highlighting
if (*ptr == NUL)
syntax_flags = 0;
else
syntax_flags = get_syntax_info(&syntax_seqnr);
# endif
}
}
# ifdef FEAT_PROP_POPUP
// Combine text property highlight into syntax highlight.
if (text_prop_type != NULL)
{
if (text_prop_flags & PT_FLAG_COMBINE)
syntax_attr = hl_combine_attr(syntax_attr, text_prop_attr);
else
syntax_attr = text_prop_attr;
text_prop_attr_comb = syntax_attr;
}
# endif
#endif
// Decide which of the highlight attributes to use.
attr_pri = TRUE;
#ifdef LINE_ATTR
if (area_attr != 0)
{
wlv.char_attr = hl_combine_attr(wlv.line_attr, area_attr);
if (!highlight_match)
// let search highlight show in Visual area if possible
wlv.char_attr = hl_combine_attr(search_attr, wlv.char_attr);
# ifdef FEAT_SYN_HL
wlv.char_attr = hl_combine_attr(syntax_attr, wlv.char_attr);
# endif
}
else if (search_attr != 0)
{
wlv.char_attr = hl_combine_attr(wlv.line_attr, search_attr);
# ifdef FEAT_SYN_HL
wlv.char_attr = hl_combine_attr(syntax_attr, wlv.char_attr);
# endif
}
else if (wlv.line_attr != 0
&& ((wlv.fromcol == -10 && wlv.tocol == MAXCOL)
|| wlv.vcol < wlv.fromcol
|| vcol_prev < fromcol_prev
|| wlv.vcol >= wlv.tocol))
{
// Use wlv.line_attr when not in the Visual or 'incsearch' area
// (area_attr may be 0 when "noinvcur" is set).
# ifdef FEAT_SYN_HL
wlv.char_attr = hl_combine_attr(syntax_attr, wlv.line_attr);
# else
wlv.char_attr = wlv.line_attr;
# endif
attr_pri = FALSE;
}
#else
if (area_attr != 0)
wlv.char_attr = area_attr;
else if (search_attr != 0)
wlv.char_attr = search_attr;
#endif
else
{
attr_pri = FALSE;
#ifdef FEAT_SYN_HL
wlv.char_attr = syntax_attr;
#else
wlv.char_attr = 0;
#endif
}
#ifdef FEAT_PROP_POPUP
// override with text property highlight when "override" is TRUE
if (text_prop_type != NULL && (text_prop_flags & PT_FLAG_OVERRIDE))
wlv.char_attr = hl_combine_attr(wlv.char_attr, text_prop_attr);
#endif
}
// combine attribute with 'wincolor'
if (wlv.win_attr != 0)
{
if (wlv.char_attr == 0)
wlv.char_attr = wlv.win_attr;
else
wlv.char_attr = hl_combine_attr(wlv.win_attr, wlv.char_attr);
}
// Get the next character to put on the screen.
// The "p_extra" points to the extra stuff that is inserted to
// represent special characters (non-printable stuff) and other
// things. When all characters are the same, c_extra is used.
// If wlv.c_final is set, it will compulsorily be used at the end.
// "p_extra" must end in a NUL to avoid mb_ptr2len() reads past
// "p_extra[n_extra]".
// For the '$' of the 'list' option, n_extra == 1, p_extra == "".
if (wlv.n_extra > 0)
{
if (wlv.c_extra != NUL || (wlv.n_extra == 1 && wlv.c_final != NUL))
{
c = (wlv.n_extra == 1 && wlv.c_final != NUL)
? wlv.c_final : wlv.c_extra;
mb_c = c; // doesn't handle non-utf-8 multi-byte!
if (enc_utf8 && utf_char2len(c) > 1)
{
mb_utf8 = TRUE;
u8cc[0] = 0;
c = 0xc0;
}
else
mb_utf8 = FALSE;
}
else
{
c = *wlv.p_extra;
if (has_mbyte)
{
mb_c = c;
if (enc_utf8)
{
// If the UTF-8 character is more than one byte:
// Decode it into "mb_c".
mb_l = utfc_ptr2len(wlv.p_extra);
mb_utf8 = FALSE;
if (mb_l > wlv.n_extra)
mb_l = 1;
else if (mb_l > 1)
{
mb_c = utfc_ptr2char(wlv.p_extra, u8cc);
mb_utf8 = TRUE;
c = 0xc0;
}
}
else
{
// if this is a DBCS character, put it in "mb_c"
mb_l = MB_BYTE2LEN(c);
if (mb_l >= wlv.n_extra)
mb_l = 1;
else if (mb_l > 1)
mb_c = (c << 8) + wlv.p_extra[1];
}
if (mb_l == 0) // at the NUL at end-of-line
mb_l = 1;
// If a double-width char doesn't fit display a '>' in the
// last column.
if ((
# ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? (wlv.col <= 0) :
# endif
(wlv.col >= wp->w_width - 1))
&& (*mb_char2cells)(mb_c) == 2)
{
c = '>';
mb_c = c;
mb_l = 1;
mb_utf8 = FALSE;
multi_attr = HL_ATTR(HLF_AT);
#ifdef FEAT_SYN_HL
if (wlv.cul_attr)
multi_attr = hl_combine_attr(
multi_attr, wlv.cul_attr);
#endif
multi_attr = hl_combine_attr(wlv.win_attr, multi_attr);
// put the pointer back to output the double-width
// character at the start of the next line.
++wlv.n_extra;
--wlv.p_extra;
}
else
{
wlv.n_extra -= mb_l - 1;
wlv.p_extra += mb_l - 1;
}
}
++wlv.p_extra;
}
--wlv.n_extra;
#if defined(FEAT_PROP_POPUP)
if (wlv.n_extra <= 0)
{
// Only restore search_attr and area_attr after "n_extra" in
// the next screen line is also done.
if (wlv.saved_n_extra <= 0)
{
if (search_attr == 0)
search_attr = saved_search_attr;
if (area_attr == 0 && *ptr != NUL)
area_attr = saved_area_attr;
if (wlv.extra_for_textprop)
// wlv.extra_attr should be used at this position but
// not any further.
reset_extra_attr = TRUE;
}
wlv.extra_for_textprop = FALSE;
in_linebreak = FALSE;
}
#endif
}
else
{
#ifdef FEAT_LINEBREAK
int c0;
#endif
char_u *prev_ptr = ptr;
// Get a character from the line itself.
c = *ptr;
#ifdef FEAT_LINEBREAK
c0 = *ptr;
#endif
if (c == NUL)
{
#ifdef FEAT_PROP_POPUP
// text is finished, may display a "below" virtual text
did_line = TRUE;
#endif
// no more cells to skip
skip_cells = 0;
}
if (has_mbyte)
{
mb_c = c;
if (enc_utf8)
{
// If the UTF-8 character is more than one byte: Decode it
// into "mb_c".
mb_l = utfc_ptr2len(ptr);
mb_utf8 = FALSE;
if (mb_l > 1)
{
mb_c = utfc_ptr2char(ptr, u8cc);
// Overlong encoded ASCII or ASCII with composing char
// is displayed normally, except a NUL.
if (mb_c < 0x80)
{
c = mb_c;
#ifdef FEAT_LINEBREAK
c0 = mb_c;
#endif
}
mb_utf8 = TRUE;
// At start of the line we can have a composing char.
// Draw it as a space with a composing char.
if (utf_iscomposing(mb_c))
{
int i;
for (i = Screen_mco - 1; i > 0; --i)
u8cc[i] = u8cc[i - 1];
u8cc[0] = mb_c;
mb_c = ' ';
}
}
if ((mb_l == 1 && c >= 0x80)
|| (mb_l >= 1 && mb_c == 0)
|| (mb_l > 1 && (!vim_isprintc(mb_c))))
{
// Illegal UTF-8 byte: display as <xx>.
// Non-BMP character : display as ? or fullwidth ?.
transchar_hex(wlv.extra, mb_c);
# ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl) // reverse
rl_mirror(wlv.extra);
# endif
wlv.p_extra = wlv.extra;
c = *wlv.p_extra;
mb_c = mb_ptr2char_adv(&wlv.p_extra);
mb_utf8 = (c >= 0x80);
wlv.n_extra = (int)STRLEN(wlv.p_extra);
wlv.c_extra = NUL;
wlv.c_final = NUL;
if (area_attr == 0 && search_attr == 0)
{
n_attr = wlv.n_extra + 1;
wlv.extra_attr = hl_combine_attr(
wlv.win_attr, HL_ATTR(HLF_8));
saved_attr2 = wlv.char_attr; // save current attr
}
}
else if (mb_l == 0) // at the NUL at end-of-line
mb_l = 1;
#ifdef FEAT_ARABIC
else if (p_arshape && !p_tbidi && ARABIC_CHAR(mb_c))
{
// Do Arabic shaping.
int pc, pc1, nc;
int pcc[MAX_MCO];
// The idea of what is the previous and next
// character depends on 'rightleft'.
if (wp->w_p_rl)
{
pc = prev_c;
pc1 = prev_c1;
nc = utf_ptr2char(ptr + mb_l);
prev_c1 = u8cc[0];
}
else
{
pc = utfc_ptr2char(ptr + mb_l, pcc);
nc = prev_c;
pc1 = pcc[0];
}
prev_c = mb_c;
mb_c = arabic_shape(mb_c, &c, &u8cc[0], pc, pc1, nc);
}
else
prev_c = mb_c;
#endif
}
else // enc_dbcs
{
mb_l = MB_BYTE2LEN(c);
if (mb_l == 0) // at the NUL at end-of-line
mb_l = 1;
else if (mb_l > 1)
{
// We assume a second byte below 32 is illegal.
// Hopefully this is OK for all double-byte encodings!
if (ptr[1] >= 32)
mb_c = (c << 8) + ptr[1];
else
{
if (ptr[1] == NUL)
{
// head byte at end of line
mb_l = 1;
transchar_nonprint(wp->w_buffer, wlv.extra, c);
wlv.n_extra = (int)STRLEN(wlv.extra) - 1;
}
else
{
// illegal tail byte
mb_l = 2;
STRCPY(wlv.extra, "XX");
wlv.n_extra = 1;
}
wlv.p_extra = wlv.extra;
wlv.c_extra = NUL;
wlv.c_final = NUL;
c = *wlv.p_extra++;
if (area_attr == 0 && search_attr == 0)
{
n_attr = wlv.n_extra + 1;
wlv.extra_attr = hl_combine_attr(
wlv.win_attr, HL_ATTR(HLF_8));
// save current attr
saved_attr2 = wlv.char_attr;
}
mb_c = c;
}
}
}
// If a double-width char doesn't fit display a '>' in the
// last column; the character is displayed at the start of the
// next line.
if ((
# ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? (wlv.col <= 0) :
# endif
(wlv.col >= wp->w_width - 1))
&& (*mb_char2cells)(mb_c) == 2)
{
c = '>';
mb_c = c;
mb_utf8 = FALSE;
mb_l = 1;
multi_attr = hl_combine_attr(wlv.win_attr, HL_ATTR(HLF_AT));
// Put pointer back so that the character will be
// displayed at the start of the next line.
--ptr;
#ifdef FEAT_CONCEAL
did_decrement_ptr = TRUE;
#endif
}
else if (*ptr != NUL)
ptr += mb_l - 1;
// If a double-width char doesn't fit at the left side display
// a '<' in the first column. Don't do this for unprintable
// characters.
if (skip_cells > 0 && mb_l > 1 && wlv.n_extra == 0)
{
wlv.n_extra = 1;
wlv.c_extra = MB_FILLER_CHAR;
wlv.c_final = NUL;
c = ' ';
if (area_attr == 0 && search_attr == 0)
{
n_attr = wlv.n_extra + 1;
wlv.extra_attr = hl_combine_attr(
wlv.win_attr, HL_ATTR(HLF_AT));
saved_attr2 = wlv.char_attr; // save current attr
}
mb_c = c;
mb_utf8 = FALSE;
mb_l = 1;
}
}
++ptr;
if (extra_check)
{
#ifdef FEAT_SPELL
// 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
// contains the @Spell cluster.
v = (long)(ptr - line);
if (spv->spv_has_spell && v >= word_end && v > cur_checked_col)
{
spell_attr = 0;
// 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) && (
# ifdef FEAT_SYN_HL
!has_syntax ||
# endif
can_spell))
{
char_u *p;
int len;
hlf_T spell_hlf = HLF_COUNT;
if (has_mbyte)
v -= mb_l - 1;
// Use nextline[] if possible, it has the start of the
// next line concatenated.
if ((prev_ptr - line) - nextlinecol >= 0)
p = nextline + (prev_ptr - line) - nextlinecol;
else
p = prev_ptr;
spv->spv_cap_col -= (int)(prev_ptr - line);
len = spell_check(wp, p, &spell_hlf, &spv->spv_cap_col,
spv->spv_unchanged);
word_end = v + len;
// In Insert mode only highlight a word that
// doesn't touch the cursor.
if (spell_hlf != HLF_COUNT
&& (State & MODE_INSERT)
&& wp->w_cursor.lnum == lnum
&& wp->w_cursor.col >=
(colnr_T)(prev_ptr - line)
&& wp->w_cursor.col < (colnr_T)word_end)
{
spell_hlf = HLF_COUNT;
spell_redraw_lnum = lnum;
}
if (spell_hlf == HLF_COUNT && p != prev_ptr
&& (p - nextline) + len > nextline_idx)
{
// Remember that the good word continues at the
// start of the next line.
spv->spv_checked_lnum = lnum + 1;
spv->spv_checked_col = (p - nextline) + len
- nextline_idx;
}
// Turn index into actual attributes.
if (spell_hlf != HLF_COUNT)
spell_attr = highlight_attr[spell_hlf];
if (spv->spv_cap_col > 0)
{
if (p != prev_ptr
&& (p - nextline) + spv->spv_cap_col
>= nextline_idx)
{
// Remember that the word in the next line
// must start with a capital.
spv->spv_capcol_lnum = lnum + 1;
spv->spv_cap_col = ((p - nextline)
+ spv->spv_cap_col - nextline_idx);
}
else
// Compute the actual column.
spv->spv_cap_col += (prev_ptr - line);
}
}
}
if (spell_attr != 0)
{
if (!attr_pri)
wlv.char_attr = hl_combine_attr(wlv.char_attr,
spell_attr);
else
wlv.char_attr = hl_combine_attr(spell_attr,
wlv.char_attr);
}
#endif
#ifdef FEAT_LINEBREAK
// we don't want linebreak to apply for lines that start with
// leading spaces, followed by long letters (since it would add
// a break at the beginning of a line and this might be unexpected)
//
// So only allow to linebreak, once we have found chars not in
// 'breakat' in the line.
if ( wp->w_p_lbr && !wlv.need_lbr && c != NUL &&
!VIM_ISBREAK((int)*ptr))
wlv.need_lbr = TRUE;
#endif
#ifdef FEAT_LINEBREAK
// Found last space before word: check for line break.
if (wp->w_p_lbr && c0 == c && wlv.need_lbr
&& VIM_ISBREAK(c) && !VIM_ISBREAK((int)*ptr))
{
int mb_off = has_mbyte ? (*mb_head_off)(line, ptr - 1)
: 0;
char_u *p = ptr - (mb_off + 1);
chartabsize_T cts;
init_chartabsize_arg(&cts, wp, lnum, wlv.vcol
# ifdef FEAT_PROP_POPUP
- vcol_first_char,
# endif
line, p);
# ifdef FEAT_PROP_POPUP
// do not want virtual text counted here
cts.cts_has_prop_with_text = FALSE;
# endif
wlv.n_extra = win_lbr_chartabsize(&cts, NULL) - 1;
clear_chartabsize_arg(&cts);
if (on_last_col && c != TAB)
// Do not continue search/match highlighting over the
// line break, but for TABs the highlighting should
// include the complete width of the character
search_attr = 0;
if (c == TAB && wlv.n_extra + wlv.col > wp->w_width)
# ifdef FEAT_VARTABS
wlv.n_extra = tabstop_padding(wlv.vcol,
wp->w_buffer->b_p_ts,
wp->w_buffer->b_p_vts_array) - 1;
# else
wlv.n_extra = (int)wp->w_buffer->b_p_ts
- wlv.vcol % (int)wp->w_buffer->b_p_ts - 1;
# endif
wlv.c_extra = mb_off > 0 ? MB_FILLER_CHAR : ' ';
wlv.c_final = NUL;
# ifdef FEAT_PROP_POPUP
if (wlv.n_extra > 0 && c != TAB)
in_linebreak = TRUE;
# endif
if (VIM_ISWHITE(c))
{
# ifdef FEAT_CONCEAL
if (c == TAB)
// See "Tab alignment" below.
FIX_FOR_BOGUSCOLS;
# endif
if (!wp->w_p_list)
c = ' ';
}
}
#endif
if (wp->w_p_list)
{
in_multispace = c == ' ' && (*ptr == ' '
|| (prev_ptr > line && prev_ptr[-1] == ' '));
if (!in_multispace)
multispace_pos = 0;
}
// 'list': Change char 160 to 'nbsp' and space to 'space'
// setting in 'listchars'. But not when the character is
// followed by a composing character (use mb_l to check that).
if (wp->w_p_list
&& ((((c == 160 && mb_l == 1)
|| (mb_utf8
&& ((mb_c == 160 && mb_l == 2)
|| (mb_c == 0x202f && mb_l == 3))))
&& wp->w_lcs_chars.nbsp)
|| (c == ' '
&& mb_l == 1
&& (wp->w_lcs_chars.space
|| (in_multispace
&& wp->w_lcs_chars.multispace != NULL))
&& ptr - line >= leadcol
&& ptr - line <= trailcol)))
{
if (in_multispace && wp->w_lcs_chars.multispace != NULL)
{
c = wp->w_lcs_chars.multispace[multispace_pos++];
if (wp->w_lcs_chars.multispace[multispace_pos] == NUL)
multispace_pos = 0;
}
else
c = (c == ' ') ? wp->w_lcs_chars.space
: wp->w_lcs_chars.nbsp;
if (area_attr == 0 && search_attr == 0)
{
n_attr = 1;
wlv.extra_attr = hl_combine_attr(wlv.win_attr,
HL_ATTR(HLF_8));
saved_attr2 = wlv.char_attr; // save current attr
}
mb_c = c;
if (enc_utf8 && utf_char2len(c) > 1)
{
mb_utf8 = TRUE;
u8cc[0] = 0;
c = 0xc0;
}
else
mb_utf8 = FALSE;
}
if (c == ' ' && ((trailcol != MAXCOL && ptr > line + trailcol)
|| (leadcol != 0 && ptr < line + leadcol)))
{
if (leadcol != 0 && in_multispace && ptr < line + leadcol
&& wp->w_lcs_chars.leadmultispace != NULL)
{
c = wp->w_lcs_chars.leadmultispace[multispace_pos++];
if (wp->w_lcs_chars.leadmultispace[multispace_pos]
== NUL)
multispace_pos = 0;
}
else if (ptr > line + trailcol && wp->w_lcs_chars.trail)
c = wp->w_lcs_chars.trail;
else if (ptr < line + leadcol && wp->w_lcs_chars.lead)
c = wp->w_lcs_chars.lead;
else if (leadcol != 0 && wp->w_lcs_chars.space)
c = wp->w_lcs_chars.space;
if (!attr_pri)
{
n_attr = 1;
wlv.extra_attr = hl_combine_attr(wlv.win_attr,
HL_ATTR(HLF_8));
saved_attr2 = wlv.char_attr; // save current attr
}
mb_c = c;
if (enc_utf8 && utf_char2len(c) > 1)
{
mb_utf8 = TRUE;
u8cc[0] = 0;
c = 0xc0;
}
else
mb_utf8 = FALSE;
}
}
// Handling of non-printable characters.
if (!vim_isprintc(c))
{
// when getting a character from the file, we may have to
// turn it into something else on the way to putting it
// into "ScreenLines".
if (c == TAB && (!wp->w_p_list || wp->w_lcs_chars.tab1))
{
int tab_len = 0;
long vcol_adjusted = wlv.vcol; // removed showbreak len
#ifdef FEAT_LINEBREAK
char_u *sbr = get_showbreak_value(wp);
// only adjust the tab_len, when at the first column
// after the showbreak value was drawn
if (*sbr != NUL && wlv.vcol == wlv.vcol_sbr && wp->w_p_wrap)
vcol_adjusted = wlv.vcol - MB_CHARLEN(sbr);
#endif
// tab amount depends on current column
#ifdef FEAT_VARTABS
tab_len = tabstop_padding(vcol_adjusted,
wp->w_buffer->b_p_ts,
wp->w_buffer->b_p_vts_array) - 1;
#else
tab_len = (int)wp->w_buffer->b_p_ts
- vcol_adjusted % (int)wp->w_buffer->b_p_ts - 1;
#endif
#ifdef FEAT_LINEBREAK
if (!wp->w_p_lbr || !wp->w_p_list)
#endif
{
// tab amount depends on current column
wlv.n_extra = tab_len;
}
#ifdef FEAT_LINEBREAK
else
{
char_u *p;
int len;
int i;
int saved_nextra = wlv.n_extra;
# ifdef FEAT_CONCEAL
if (wlv.vcol_off_co > 0)
// there are characters to conceal
tab_len += wlv.vcol_off_co;
// boguscols before FIX_FOR_BOGUSCOLS macro from above
if (wp->w_p_list && wp->w_lcs_chars.tab1
&& old_boguscols > 0
&& wlv.n_extra > tab_len)
tab_len += wlv.n_extra - tab_len;
# endif
if (tab_len > 0)
{
// If wlv.n_extra > 0, it gives the number of chars
// to use for a tab, else we need to calculate the
// width for a tab.
int tab2_len = mb_char2len(wp->w_lcs_chars.tab2);
len = tab_len * tab2_len;
if (wp->w_lcs_chars.tab3)
len += mb_char2len(wp->w_lcs_chars.tab3)
- tab2_len;
if (wlv.n_extra > 0)
len += wlv.n_extra - tab_len;
c = wp->w_lcs_chars.tab1;
p = alloc(len + 1);
if (p == NULL)
wlv.n_extra = 0;
else
{
vim_memset(p, ' ', len);
p[len] = NUL;
vim_free(wlv.p_extra_free);
wlv.p_extra_free = p;
for (i = 0; i < tab_len; i++)
{
int lcs = wp->w_lcs_chars.tab2;
if (*p == NUL)
{
tab_len = i;
break;
}
// if tab3 is given, use it for the last
// char
if (wp->w_lcs_chars.tab3
&& i == tab_len - 1)
lcs = wp->w_lcs_chars.tab3;
p += mb_char2bytes(lcs, p);
wlv.n_extra += mb_char2len(lcs)
- (saved_nextra > 0 ? 1 : 0);
}
wlv.p_extra = wlv.p_extra_free;
# ifdef FEAT_CONCEAL
// n_extra will be increased by
// FIX_FOX_BOGUSCOLS macro below, so need to
// adjust for that here
if (wlv.vcol_off_co > 0)
wlv.n_extra -= wlv.vcol_off_co;
# endif
}
}
}
#endif
#ifdef FEAT_CONCEAL
{
int vc_saved = wlv.vcol_off_co;
// Tab alignment should be identical regardless of
// 'conceallevel' value. So tab compensates of all
// previous concealed characters, and thus resets
// vcol_off_co and boguscols accumulated so far in the
// line. Note that the tab can be longer than
// 'tabstop' when there are concealed characters.
FIX_FOR_BOGUSCOLS;
// Make sure, the highlighting for the tab char will be
// correctly set further below (effectively reverts the
// FIX_FOR_BOGUSCOLS macro).
if (wlv.n_extra == tab_len + vc_saved && wp->w_p_list
&& wp->w_lcs_chars.tab1)
tab_len += vc_saved;
}
#endif
mb_utf8 = FALSE; // don't draw as UTF-8
if (wp->w_p_list)
{
c = (wlv.n_extra == 0 && wp->w_lcs_chars.tab3)
? wp->w_lcs_chars.tab3
: wp->w_lcs_chars.tab1;
#ifdef FEAT_LINEBREAK
if (wp->w_p_lbr && wlv.p_extra != NULL
&& *wlv.p_extra != NUL)
wlv.c_extra = NUL; // using p_extra from above
else
#endif
wlv.c_extra = wp->w_lcs_chars.tab2;
wlv.c_final = wp->w_lcs_chars.tab3;
n_attr = tab_len + 1;
wlv.extra_attr = hl_combine_attr(wlv.win_attr,
HL_ATTR(HLF_8));
saved_attr2 = wlv.char_attr; // save current attr
mb_c = c;
if (enc_utf8 && utf_char2len(c) > 1)
{
mb_utf8 = TRUE;
u8cc[0] = 0;
c = 0xc0;
}
}
else
{
wlv.c_final = NUL;
wlv.c_extra = ' ';
c = ' ';
}
}
else if (c == NUL
&& wlv.n_extra == 0
&& (wp->w_p_list
|| ((wlv.fromcol >= 0 || fromcol_prev >= 0)
&& wlv.tocol > wlv.vcol
&& VIsual_mode != Ctrl_V
&& (
# ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? (wlv.col >= 0) :
# endif
(wlv.col < wp->w_width))
&& !(noinvcur
&& lnum == wp->w_cursor.lnum
&& (colnr_T)wlv.vcol == wp->w_virtcol)))
&& lcs_eol_one > 0)
{
// Display a '$' after the line or highlight an extra
// character if the line break is included.
#if defined(FEAT_DIFF) || defined(LINE_ATTR)
// For a diff line the highlighting continues after the
// "$".
if (
# ifdef FEAT_DIFF
wlv.diff_hlf == (hlf_T)0
# ifdef LINE_ATTR
&&
# endif
# endif
# ifdef LINE_ATTR
wlv.line_attr == 0
# endif
)
#endif
{
// In virtualedit, visual selections may extend
// beyond end of line.
if (!(area_highlighting && virtual_active()
&& wlv.tocol != MAXCOL
&& wlv.vcol < wlv.tocol))
wlv.p_extra = (char_u *)"";
wlv.n_extra = 0;
}
if (wp->w_p_list && wp->w_lcs_chars.eol > 0)
c = wp->w_lcs_chars.eol;
else
c = ' ';
lcs_eol_one = -1;
--ptr; // put it back at the NUL
if (!attr_pri)
{
wlv.extra_attr = hl_combine_attr(wlv.win_attr,
HL_ATTR(HLF_AT));
n_attr = 1;
}
mb_c = c;
if (enc_utf8 && utf_char2len(c) > 1)
{
mb_utf8 = TRUE;
u8cc[0] = 0;
c = 0xc0;
}
else
mb_utf8 = FALSE; // don't draw as UTF-8
}
else if (c != NUL)
{
wlv.p_extra = transchar_buf(wp->w_buffer, c);
if (wlv.n_extra == 0)
wlv.n_extra = byte2cells(c) - 1;
#ifdef FEAT_RIGHTLEFT
if ((dy_flags & DY_UHEX) && wp->w_p_rl)
rl_mirror(wlv.p_extra); // reverse "<12>"
#endif
wlv.c_extra = NUL;
wlv.c_final = NUL;
#ifdef FEAT_LINEBREAK
if (wp->w_p_lbr)
{
char_u *p;
c = *wlv.p_extra;
p = alloc(wlv.n_extra + 1);
if (p == NULL)
wlv.n_extra = 0;
else
{
vim_memset(p, ' ', wlv.n_extra);
STRNCPY(p, wlv.p_extra + 1, STRLEN(wlv.p_extra) - 1);
p[wlv.n_extra] = NUL;
vim_free(wlv.p_extra_free);
wlv.p_extra_free = wlv.p_extra = p;
}
}
else
#endif
{
wlv.n_extra = byte2cells(c) - 1;
c = *wlv.p_extra++;
}
if (!attr_pri)
{
n_attr = wlv.n_extra + 1;
wlv.extra_attr = hl_combine_attr(wlv.win_attr,
HL_ATTR(HLF_8));
#ifdef FEAT_PROP_POPUP
if (text_prop_type != NULL &&
text_prop_flags & PT_FLAG_OVERRIDE)
wlv.extra_attr = hl_combine_attr(text_prop_attr, wlv.extra_attr);
#endif
saved_attr2 = wlv.char_attr; // save current attr
}
mb_utf8 = FALSE; // don't draw as UTF-8
}
else if (VIsual_active
&& (VIsual_mode == Ctrl_V
|| VIsual_mode == 'v')
&& virtual_active()
&& wlv.tocol != MAXCOL
&& wlv.vcol < wlv.tocol
&& (
#ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? (wlv.col >= 0) :
#endif
(wlv.col < wp->w_width)))
{
c = ' ';
--ptr; // put it back at the NUL
}
#if defined(LINE_ATTR)
else if ((
# ifdef FEAT_DIFF
wlv.diff_hlf != (hlf_T)0 ||
# endif
# ifdef FEAT_TERMINAL
wlv.win_attr != 0 ||
# endif
wlv.line_attr != 0
) && (
# ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? (wlv.col >= 0) :
# endif
(wlv.col
# ifdef FEAT_CONCEAL
- wlv.boguscols
# endif
< wp->w_width)))
{
// Highlight until the right side of the window
c = ' ';
--ptr; // put it back at the NUL
// Remember we do the char for line highlighting.
++did_line_attr;
// don't do search HL for the rest of the line
if (wlv.line_attr != 0 && wlv.char_attr == search_attr
&& (did_line_attr > 1
|| (wp->w_p_list &&
wp->w_lcs_chars.eol > 0)))
wlv.char_attr = wlv.line_attr;
#ifdef FEAT_SIGNS
// At end of line: if Sign is present with line highlight, reset char_attr
// but not when cursorline is active
if (sign_present && wlv.sattr.sat_linehl > 0 && wlv.draw_state == WL_LINE
&& !(wp->w_p_cul && lnum == wp->w_cursor.lnum))
wlv.char_attr = wlv.sattr.sat_linehl;
#endif
# ifdef FEAT_DIFF
if (wlv.diff_hlf == HLF_TXD)
{
wlv.diff_hlf = HLF_CHD;
if (vi_attr == 0 || wlv.char_attr != vi_attr)
{
wlv.char_attr = HL_ATTR(wlv.diff_hlf);
if (wp->w_p_cul && lnum == wp->w_cursor.lnum
&& wp->w_p_culopt_flags != CULOPT_NBR
&& (!wlv.cul_screenline
|| (wlv.vcol >= left_curline_col
&& wlv.vcol <= right_curline_col)))
wlv.char_attr = hl_combine_attr(
wlv.char_attr, HL_ATTR(HLF_CUL));
}
}
# endif
# ifdef FEAT_TERMINAL
if (wlv.win_attr != 0)
{
wlv.char_attr = wlv.win_attr;
if (wp->w_p_cul && lnum == wp->w_cursor.lnum
&& wp->w_p_culopt_flags != CULOPT_NBR)
{
if (!wlv.cul_screenline
|| (wlv.vcol >= left_curline_col
&& wlv.vcol <= right_curline_col))
wlv.char_attr = hl_combine_attr(
wlv.char_attr, HL_ATTR(HLF_CUL));
}
else if (wlv.line_attr)
wlv.char_attr = hl_combine_attr(
wlv.char_attr, wlv.line_attr);
}
# endif
}
#endif
}
#ifdef FEAT_CONCEAL
if ( wp->w_p_cole > 0
&& (wp != curwin || lnum != wp->w_cursor.lnum
|| conceal_cursor_line(wp))
&& ((syntax_flags & HL_CONCEAL) != 0 || has_match_conc > 0)
&& !(lnum_in_visual_area
&& vim_strchr(wp->w_p_cocu, 'v') == NULL))
{
wlv.char_attr = conceal_attr;
if (((prev_syntax_id != syntax_seqnr
&& (syntax_flags & HL_CONCEAL) != 0)
|| has_match_conc > 1)
&& (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 (has_match_conc && match_conc)
c = match_conc;
else if (syn_get_sub_char() != NUL)
c = syn_get_sub_char();
else if (wp->w_lcs_chars.conceal != NUL)
c = wp->w_lcs_chars.conceal;
else
c = ' ';
if (has_mbyte && (*mb_char2cells)(mb_c) > 1)
// When the first char to be concealed is double-width,
// need to advance one more virtual column.
wlv.n_extra++;
mb_c = c;
if (enc_utf8 && utf_char2len(c) > 1)
{
mb_utf8 = TRUE;
u8cc[0] = 0;
c = 0xc0;
}
else
mb_utf8 = FALSE; // don't draw as UTF-8
prev_syntax_id = syntax_seqnr;
if (wlv.n_extra > 0)
wlv.vcol_off_co += wlv.n_extra;
wlv.vcol += wlv.n_extra;
if (wp->w_p_wrap && wlv.n_extra > 0)
{
# ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
wlv.col -= wlv.n_extra;
wlv.boguscols -= wlv.n_extra;
}
else
# endif
{
wlv.boguscols += wlv.n_extra;
wlv.col += wlv.n_extra;
}
}
wlv.n_extra = 0;
n_attr = 0;
}
else if (skip_cells == 0)
{
is_concealing = TRUE;
skip_cells = 1;
}
}
else
{
prev_syntax_id = 0;
is_concealing = FALSE;
}
if (skip_cells > 0 && did_decrement_ptr)
// not showing the '>', put pointer back to avoid getting stuck
++ptr;
#endif // FEAT_CONCEAL
}
#ifdef FEAT_CONCEAL
// In the cursor line and we may be concealing characters: correct
// the cursor column when we reach its position.
// With 'virtualedit' we may never reach cursor position, but we still
// need to correct the cursor column, so do that at end of line.
if (!did_wcol && wlv.draw_state == WL_LINE
&& in_curline && conceal_cursor_line(wp)
&& (wlv.vcol + skip_cells >= wp->w_virtcol || c == NUL))
{
# ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
wp->w_wcol = wp->w_width - wlv.col + wlv.boguscols - 1;
else
# endif
wp->w_wcol = wlv.col - wlv.boguscols;
if (wlv.vcol + skip_cells < wp->w_virtcol)
// Cursor beyond end of the line with 'virtualedit'.
wp->w_wcol += wp->w_virtcol - wlv.vcol - skip_cells;
wp->w_wrow = wlv.row;
did_wcol = TRUE;
curwin->w_valid |= VALID_WCOL|VALID_WROW|VALID_VIRTCOL;
# ifdef FEAT_PROP_POPUP
curwin->w_flags &= ~(WFLAG_WCOL_OFF_ADDED | WFLAG_WROW_OFF_ADDED);
# endif
}
#endif
// Use "wlv.extra_attr", but don't override visual selection
// highlighting, unless text property overrides.
// Don't use "wlv.extra_attr" until wlv.n_attr_skip is zero.
if (wlv.n_attr_skip == 0 && n_attr > 0
&& wlv.draw_state == WL_LINE
&& (!attr_pri
#ifdef FEAT_PROP_POPUP
|| (text_prop_flags & PT_FLAG_OVERRIDE)
#endif
))
{
#ifdef LINE_ATTR
if (wlv.line_attr)
wlv.char_attr = hl_combine_attr(wlv.line_attr, wlv.extra_attr);
else
#endif
wlv.char_attr = wlv.extra_attr;
#ifdef FEAT_PROP_POPUP
if (reset_extra_attr)
{
reset_extra_attr = FALSE;
wlv.extra_attr = 0;
}
#endif
}
#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
// XIM don't send preedit_start and preedit_end, but they send
// preedit_changed and commit. Thus Vim can't set "im_is_active", use
// im_is_preediting() here.
if (p_imst == IM_ON_THE_SPOT
&& xic != NULL
&& lnum == wp->w_cursor.lnum
&& (State & MODE_INSERT)
&& !p_imdisable
&& im_is_preediting()
&& wlv.draw_state == WL_LINE)
{
colnr_T tcol;
if (preedit_end_col == MAXCOL)
getvcol(curwin, &(wp->w_cursor), &tcol, NULL, NULL);
else
tcol = preedit_end_col;
if ((long)preedit_start_col <= wlv.vcol && wlv.vcol < (long)tcol)
{
if (feedback_old_attr < 0)
{
feedback_col = 0;
feedback_old_attr = wlv.char_attr;
}
wlv.char_attr = im_get_feedback_attr(feedback_col);
if (wlv.char_attr < 0)
wlv.char_attr = feedback_old_attr;
feedback_col++;
}
else if (feedback_old_attr >= 0)
{
wlv.char_attr = feedback_old_attr;
feedback_old_attr = -1;
feedback_col = 0;
}
}
#endif
// Handle the case where we are in column 0 but not on the first
// character of the line and the user wants us to show us a
// special character (via 'listchars' option "precedes:<char>").
if (lcs_prec_todo != NUL
&& wp->w_p_list
&& (wp->w_p_wrap ? (wp->w_skipcol > 0 && wlv.row == 0)
: wp->w_leftcol > 0)
#ifdef FEAT_DIFF
&& wlv.filler_todo <= 0
#endif
&& wlv.draw_state > WL_NR
&& skip_cells <= 0
&& c != NUL)
{
c = wp->w_lcs_chars.prec;
lcs_prec_todo = NUL;
if (has_mbyte && (*mb_char2cells)(mb_c) > 1)
{
// Double-width character being overwritten by the "precedes"
// character, need to fill up half the character.
wlv.c_extra = MB_FILLER_CHAR;
wlv.c_final = NUL;
wlv.n_extra = 1;
n_attr = 2;
wlv.extra_attr =
hl_combine_attr(wlv.win_attr, HL_ATTR(HLF_AT));
}
mb_c = c;
if (enc_utf8 && utf_char2len(c) > 1)
{
mb_utf8 = TRUE;
u8cc[0] = 0;
c = 0xc0;
}
else
mb_utf8 = FALSE; // don't draw as UTF-8
if (!attr_pri)
{
saved_attr3 = wlv.char_attr; // save current attr
wlv.char_attr = hl_combine_attr(wlv.win_attr, HL_ATTR(HLF_AT));
n_attr3 = 1;
}
}
// At end of the text line or just after the last character.
if ((c == NUL
#if defined(LINE_ATTR)
|| did_line_attr == 1
#endif
) && wlv.eol_hl_off == 0)
{
#ifdef FEAT_SEARCH_EXTRA
// flag to indicate whether prevcol equals startcol of search_hl or
// one of the matches
int prevcol_hl_flag = get_prevcol_hl_flag(wp, &screen_search_hl,
(long)(ptr - line) - (c == NUL));
#endif
// Invert at least one char, used for Visual and empty line or
// highlight match at end of line. If it's beyond the last
// char on the screen, just overwrite that one (tricky!) Not
// needed when a '$' was displayed for 'list'.
if (wp->w_lcs_chars.eol == lcs_eol_one
&& ((area_attr != 0 && wlv.vcol == wlv.fromcol
&& (VIsual_mode != Ctrl_V
|| lnum == VIsual.lnum
|| lnum == curwin->w_cursor.lnum)
&& c == NUL)
#ifdef FEAT_SEARCH_EXTRA
// highlight 'hlsearch' match at end of line
|| (prevcol_hl_flag
# ifdef FEAT_SYN_HL
&& !(wp->w_p_cul && lnum == wp->w_cursor.lnum
&& !(wp == curwin && VIsual_active))
# endif
# ifdef FEAT_DIFF
&& wlv.diff_hlf == (hlf_T)0
# endif
# if defined(LINE_ATTR)
&& did_line_attr <= 1
# endif
)
#endif
))
{
int n = 0;
#ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
if (wlv.col < 0)
n = 1;
}
else
#endif
{
if (wlv.col >= wp->w_width)
n = -1;
}
if (n != 0)
{
// At the window boundary, highlight the last character
// instead (better than nothing).
wlv.off += n;
wlv.col += n;
}
else
{
// Add a blank character to highlight.
ScreenLines[wlv.off] = ' ';
if (enc_utf8)
ScreenLinesUC[wlv.off] = 0;
}
#ifdef FEAT_SEARCH_EXTRA
if (area_attr == 0)
{
// Use attributes from match with highest priority among
// 'search_hl' and the match list.
get_search_match_hl(wp, &screen_search_hl,
(long)(ptr - line), &wlv.char_attr);
}
#endif
ScreenAttrs[wlv.off] = wlv.char_attr;
ScreenCols[wlv.off] = wlv.vcol;
#ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
--wlv.col;
--wlv.off;
}
else
#endif
{
++wlv.col;
++wlv.off;
}
++wlv.vcol;
wlv.eol_hl_off = 1;
}
}
// At end of the text line.
if (c == NUL)
{
#ifdef FEAT_PROP_POPUP
if (text_prop_follows)
{
// Put the pointer back to the NUL.
--ptr;
c = ' ';
}
else
#endif
{
draw_screen_line(wp, &wlv);
// Update w_cline_height and w_cline_folded if the cursor line
// was updated (saves a call to plines() later).
if (in_curline)
{
curwin->w_cline_row = startrow;
curwin->w_cline_height = wlv.row - startrow;
#ifdef FEAT_FOLDING
curwin->w_cline_folded = FALSE;
#endif
curwin->w_valid |= (VALID_CHEIGHT|VALID_CROW);
}
break;
}
}
// Show "extends" character from 'listchars' if beyond the line end and
// 'list' is set.
if (wp->w_lcs_chars.ext != NUL
&& wlv.draw_state == WL_LINE
&& wp->w_p_list
&& !wp->w_p_wrap
#ifdef FEAT_DIFF
&& wlv.filler_todo <= 0
#endif
&& (
#ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? wlv.col == 0 :
#endif
wlv.col == wp->w_width - 1)
&& (*ptr != NUL
|| lcs_eol_one > 0
|| (wlv.n_extra > 0 && (wlv.c_extra != NUL
|| *wlv.p_extra != NUL))
#ifdef FEAT_PROP_POPUP
|| text_prop_next <= last_textprop_text_idx
#endif
))
{
c = wp->w_lcs_chars.ext;
wlv.char_attr = hl_combine_attr(wlv.win_attr, HL_ATTR(HLF_AT));
mb_c = c;
if (enc_utf8 && utf_char2len(c) > 1)
{
mb_utf8 = TRUE;
u8cc[0] = 0;
c = 0xc0;
}
else
mb_utf8 = FALSE;
}
#ifdef FEAT_SYN_HL
// advance to the next 'colorcolumn'
if (wlv.draw_color_col)
wlv.draw_color_col = advance_color_col(VCOL_HLC, &wlv.color_cols);
// Highlight the cursor column if 'cursorcolumn' is set. But don't
// highlight the cursor position itself.
// Also highlight the 'colorcolumn' if it is different than
// 'cursorcolumn'
// Also highlight the 'colorcolumn' if 'breakindent' and/or 'showbreak'
// options are set
vcol_save_attr = -1;
if (((wlv.draw_state == WL_LINE
|| wlv.draw_state == WL_BRI
|| wlv.draw_state == WL_SBR)
&& !lnum_in_visual_area
&& search_attr == 0
&& area_attr == 0)
# ifdef FEAT_DIFF
&& wlv.filler_todo <= 0
# endif
)
{
if (wp->w_p_cuc && VCOL_HLC == (long)wp->w_virtcol
&& lnum != wp->w_cursor.lnum)
{
vcol_save_attr = wlv.char_attr;
wlv.char_attr = hl_combine_attr(wlv.char_attr,
HL_ATTR(HLF_CUC));
}
else if (wlv.draw_color_col && VCOL_HLC == *wlv.color_cols)
{
vcol_save_attr = wlv.char_attr;
wlv.char_attr = hl_combine_attr(wlv.char_attr, HL_ATTR(HLF_MC));
}
}
#endif
if (wlv.draw_state == WL_LINE)
vcol_prev = wlv.vcol;
// Store character to be displayed.
// Skip characters that are left of the screen for 'nowrap'.
if (wlv.draw_state < WL_LINE || skip_cells <= 0)
{
// Store the character.
#if defined(FEAT_RIGHTLEFT)
if (has_mbyte && wp->w_p_rl && (*mb_char2cells)(mb_c) > 1)
{
// A double-wide character is: put first half in left cell.
--wlv.off;
--wlv.col;
}
#endif
ScreenLines[wlv.off] = c;
if (enc_dbcs == DBCS_JPNU)
{
if ((mb_c & 0xff00) == 0x8e00)
ScreenLines[wlv.off] = 0x8e;
ScreenLines2[wlv.off] = mb_c & 0xff;
}
else if (enc_utf8)
{
if (mb_utf8)
{
int i;
ScreenLinesUC[wlv.off] = mb_c;
if ((c & 0xff) == 0)
ScreenLines[wlv.off] = 0x80; // avoid storing zero
for (i = 0; i < Screen_mco; ++i)
{
ScreenLinesC[i][wlv.off] = u8cc[i];
if (u8cc[i] == 0)
break;
}
}
else
ScreenLinesUC[wlv.off] = 0;
}
if (multi_attr)
{
ScreenAttrs[wlv.off] = multi_attr;
multi_attr = 0;
}
else
ScreenAttrs[wlv.off] = wlv.char_attr;
if (wlv.draw_state > WL_NR
#ifdef FEAT_DIFF
&& wlv.filler_todo <= 0
#endif
)
ScreenCols[wlv.off] = wlv.vcol;
else
ScreenCols[wlv.off] = -1;
if (has_mbyte && (*mb_char2cells)(mb_c) > 1)
{
// Need to fill two screen columns.
++wlv.off;
++wlv.col;
if (enc_utf8)
// UTF-8: Put a 0 in the second screen char.
ScreenLines[wlv.off] = 0;
else
// DBCS: Put second byte in the second screen char.
ScreenLines[wlv.off] = mb_c & 0xff;
if (wlv.draw_state > WL_NR
#ifdef FEAT_DIFF
&& wlv.filler_todo <= 0
#endif
)
ScreenCols[wlv.off] = ++wlv.vcol;
else
ScreenCols[wlv.off] = -1;
// When "wlv.tocol" is halfway a character, set it to the end
// of the character, otherwise highlighting won't stop.
if (wlv.tocol == wlv.vcol)
++wlv.tocol;
#ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
// now it's time to backup one cell
--wlv.off;
--wlv.col;
}
#endif
}
#ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
--wlv.off;
--wlv.col;
}
else
#endif
{
++wlv.off;
++wlv.col;
}
}
#ifdef FEAT_CONCEAL
else if (wp->w_p_cole > 0 && is_concealing)
{
int concealed_wide = has_mbyte && (*mb_char2cells)(mb_c) > 1;
--skip_cells;
++wlv.vcol_off_co;
if (concealed_wide)
{
// When a double-width char is concealed,
// need to advance one more virtual column.
++wlv.vcol;
++wlv.vcol_off_co;
}
if (wlv.n_extra > 0)
wlv.vcol_off_co += wlv.n_extra;
if (wp->w_p_wrap)
{
// Special voodoo required if 'wrap' is on.
//
// Advance the column indicator to force the line
// drawing to wrap early. This will make the line
// take up the same screen space when parts are concealed,
// so that cursor line computations aren't messed up.
//
// To avoid the fictitious advance of 'wlv.col' causing
// trailing junk to be written out of the screen line
// we are building, 'boguscols' keeps track of the number
// of bad columns we have advanced.
if (wlv.n_extra > 0)
{
wlv.vcol += wlv.n_extra;
# ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
wlv.col -= wlv.n_extra;
wlv.boguscols -= wlv.n_extra;
}
else
# endif
{
wlv.col += wlv.n_extra;
wlv.boguscols += wlv.n_extra;
}
wlv.n_extra = 0;
n_attr = 0;
}
if (concealed_wide)
{
// Need to fill two screen columns.
# ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
--wlv.boguscols;
--wlv.col;
}
else
# endif
{
++wlv.boguscols;
++wlv.col;
}
}
# ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
--wlv.boguscols;
--wlv.col;
}
else
# endif
{
++wlv.boguscols;
++wlv.col;
}
}
else
{
if (wlv.n_extra > 0)
{
wlv.vcol += wlv.n_extra;
wlv.n_extra = 0;
n_attr = 0;
}
}
}
#endif // FEAT_CONCEAL
else
--skip_cells;
if (wlv.draw_state > WL_NR && skipped_cells > 0)
{
wlv.vcol += skipped_cells;
skipped_cells = 0;
}
// Only advance the "wlv.vcol" when after the 'number' or
// 'relativenumber' column.
if (wlv.draw_state > WL_NR
#ifdef FEAT_DIFF
&& wlv.filler_todo <= 0
#endif
)
++wlv.vcol;
#ifdef FEAT_SYN_HL
if (vcol_save_attr >= 0)
wlv.char_attr = vcol_save_attr;
#endif
// restore attributes after "precedes" in 'listchars'
if (wlv.draw_state > WL_NR && n_attr3 > 0 && --n_attr3 == 0)
wlv.char_attr = saved_attr3;
// restore attributes after last 'listchars' or 'number' char
if (n_attr > 0 && wlv.draw_state == WL_LINE
&& wlv.n_attr_skip == 0 && --n_attr == 0)
wlv.char_attr = saved_attr2;
if (wlv.n_attr_skip > 0)
--wlv.n_attr_skip;
// At end of screen line and there is more to come: Display the line
// so far. If there is no more to display it is caught above.
if ((
#ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? (wlv.col < 0) :
#endif
(wlv.col >= wp->w_width))
&& (wlv.draw_state != WL_LINE
|| *ptr != NUL
#ifdef FEAT_DIFF
|| wlv.filler_todo > 0
#endif
#ifdef FEAT_PROP_POPUP
|| text_prop_above || text_prop_follows
|| text_prop_next <= last_textprop_text_idx
#endif
|| (wp->w_p_list && wp->w_lcs_chars.eol != NUL
&& lcs_eol_one != -1)
|| (wlv.n_extra != 0 && (wlv.c_extra != NUL
|| *wlv.p_extra != NUL)))
)
{
#ifdef FEAT_CONCEAL
wlv.col -= wlv.boguscols;
// Apply 'cursorline' and 'wincolor' highlight.
if (wlv.boguscols != 0 && (
# ifdef LINE_ATTR
wlv.line_attr != 0 ||
# endif
wlv.win_attr != 0
)
)
{
int attr = wlv.win_attr;
# ifdef LINE_ATTR
if (wlv.line_attr != 0)
attr = hl_combine_attr(attr, wlv.line_attr);
# endif
while ((
# ifdef FEAT_RIGHTLEFT
wp->w_p_rl ? wlv.col >= 0 :
# endif
wlv.col < wp->w_width))
{
ScreenLines[wlv.off] = ' ';
if (enc_utf8)
ScreenLinesUC[wlv.off] = 0;
ScreenAttrs[wlv.off] = attr;
ScreenCols[wlv.off] = wlv.vcol - 1;
# ifdef FEAT_RIGHTLEFT
if (wp->w_p_rl)
{
wlv.off--;
wlv.col--;
wlv.boguscols++;
}
else
# endif
{
wlv.off++;
wlv.col++;
wlv.boguscols--;
}
}
}
wlv_screen_line(wp, &wlv, TRUE);
wlv.col += wlv.boguscols;
wlv.boguscols = 0;
wlv.vcol_off_co = 0;
#else
wlv_screen_line(wp, &wlv, TRUE);
#endif
++wlv.row;
++wlv.screen_row;
// When not wrapping and finished diff lines, break here.
if (!wp->w_p_wrap
#ifdef FEAT_DIFF
&& wlv.filler_todo <= 0
#endif
#ifdef FEAT_PROP_POPUP
&& !text_prop_above
&& !text_prop_follows
#endif
)
break;
#ifdef FEAT_PROP_POPUP
if (!wp->w_p_wrap && text_prop_follows && !text_prop_above)
{
// do not output more of the line, only the "below" prop
ptr = line + (size_t)ml_get_buf_len(wp->w_buffer, lnum);
# ifdef FEAT_LINEBREAK
wlv.dont_use_showbreak = TRUE;
# endif
}
#endif
// When the window is too narrow draw all "@" lines.
if (wlv.draw_state != WL_LINE
#ifdef FEAT_DIFF
&& wlv.filler_todo <= 0
#endif
)
{
win_draw_end(wp, '@', ' ', TRUE, wlv.row, wp->w_height, HLF_AT);
draw_vsep_win(wp, wlv.row);
wlv.row = endrow;
}
// When line got too long for screen break here.
if (wlv.row == endrow)
{
++wlv.row;
break;
}
if (screen_cur_row == wlv.screen_row - 1
#ifdef FEAT_DIFF
&& wlv.filler_todo <= 0
#endif
#ifdef FEAT_PROP_POPUP
&& !text_prop_above && !text_prop_follows
#endif
&& wp->w_width == Columns)
{
// Remember that the line wraps, used for modeless copy.
LineWraps[wlv.screen_row - 1] = TRUE;
// Special trick to make copy/paste of wrapped lines work with
// xterm/screen: write an extra character beyond the end of
// the line. This will work with all terminal types
// (regardless of the xn,am settings).
// Only do this on a fast tty.
// Only do this if the cursor is on the current line
// (something has been written in it).
// Don't do this for the GUI.
// Don't do this for double-width characters.
// Don't do this for a window not at the right screen border.
if (p_tf
#ifdef FEAT_GUI
&& !gui.in_use
#endif
&& !(has_mbyte
&& ((*mb_off2cells)(LineOffset[wlv.screen_row],
LineOffset[wlv.screen_row] + screen_Columns)
== 2
|| (*mb_off2cells)(
LineOffset[wlv.screen_row - 1]
+ (int)Columns - 2,
LineOffset[wlv.screen_row]
+ screen_Columns) == 2)))
{
// First make sure we are at the end of the screen line,
// then output the same character again to let the
// terminal know about the wrap. If the terminal doesn't
// auto-wrap, we overwrite the character.
if (screen_cur_col != wp->w_width)
screen_char(LineOffset[wlv.screen_row - 1]
+ (unsigned)Columns - 1,
wlv.screen_row - 1, (int)(Columns - 1));
// When there is a multi-byte character, just output a
// space to keep it simple.
if (has_mbyte && MB_BYTE2LEN(ScreenLines[LineOffset[
wlv.screen_row - 1] + (Columns - 1)]) > 1)
out_char(' ');
else
out_char(ScreenLines[LineOffset[wlv.screen_row - 1]
+ (Columns - 1)]);
// force a redraw of the first char on the next line
ScreenAttrs[LineOffset[wlv.screen_row]] = (sattr_T)-1;
screen_start(); // don't know where cursor is now
}
}
win_line_start(wp, &wlv, TRUE);
lcs_prec_todo = wp->w_lcs_chars.prec;
#ifdef FEAT_LINEBREAK
if (!wlv.dont_use_showbreak
# ifdef FEAT_DIFF
&& wlv.filler_todo <= 0
# endif
)
wlv.need_showbreak = TRUE;
#endif
#ifdef FEAT_DIFF
--wlv.filler_todo;
// When the filler lines are actually below the last line of the
// file, don't draw the line itself, break here.
if (wlv.filler_todo == 0 && wp->w_botfill)
break;
#endif
}
} // for every character in the line
#ifdef FEAT_PROP_POPUP
vim_free(text_props);
vim_free(text_prop_idxs);
vim_free(p_extra_free2);
#endif
vim_free(wlv.p_extra_free);
vim_free(wlv.saved_p_extra_free);
return wlv.row;
}