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Diffstat (limited to 'src/nvim/drawline.c')
-rw-r--r--src/nvim/drawline.c76
1 files changed, 36 insertions, 40 deletions
diff --git a/src/nvim/drawline.c b/src/nvim/drawline.c
index 07944081da..3b88dd2e90 100644
--- a/src/nvim/drawline.c
+++ b/src/nvim/drawline.c
@@ -170,28 +170,26 @@ 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;
- static int prev_col_off;
int cur_col_off = win_col_off(wp);
- int width1;
- int width2;
+ int width1 = wp->w_width_inner - cur_col_off;
+ int width2 = width1 + win_col_off2(wp);
if (saved_w_virtcol == wp->w_virtcol && prev_wp == wp
- && prev_col_off == cur_col_off) {
+ && prev_width1 == width1 && prev_width2 == width2) {
*right_col = prev_right_col;
*left_col = prev_left_col;
return;
}
- width1 = wp->w_width_inner - cur_col_off;
- width2 = width1 + win_col_off2(wp);
-
*left_col = 0;
*right_col = width1;
- if (wp->w_virtcol >= (colnr_T)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) {
@@ -202,8 +200,9 @@ static void margin_columns_win(win_T *wp, int *left_col, int *right_col)
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;
- prev_col_off = cur_col_off;
}
/// Put a single char from an UTF-8 buffer into a line buffer.
@@ -465,6 +464,7 @@ static void draw_sign(bool nrcol, win_T *wp, winlinevars_T *wlv, int sign_idx, i
int fill = nrcol ? number_width(wp) + 1 : SIGN_WIDTH;
draw_col_fill(wlv, schar_from_ascii(' '), fill, attr);
int sign_pos = wlv->off - SIGN_WIDTH - (int)nrcol;
+ assert(sign_pos >= 0);
linebuf_char[sign_pos] = sattr.text[0];
linebuf_char[sign_pos + 1] = sattr.text[1];
} else {
@@ -586,12 +586,13 @@ static void draw_statuscol(win_T *wp, winlinevars_T *wlv, linenr_T lnum, int vir
char buf[MAXPATHL];
// When a buffer's line count has changed, make a best estimate for the full
- // width of the status column by building with "w_nrwidth_line_count". Add
- // potentially truncated width and rebuild before drawing anything.
+ // width of the status column by building with the largest possible line number.
+ // Add potentially truncated width and rebuild before drawing anything.
if (wp->w_statuscol_line_count != wp->w_nrwidth_line_count) {
wp->w_statuscol_line_count = wp->w_nrwidth_line_count;
set_vim_var_nr(VV_VIRTNUM, 0);
- int width = build_statuscol_str(wp, wp->w_nrwidth_line_count, 0, buf, stcp);
+ int width = build_statuscol_str(wp, wp->w_nrwidth_line_count,
+ wp->w_nrwidth_line_count, buf, stcp);
if (width > stcp->width) {
int addwidth = MIN(width - stcp->width, MAX_STCWIDTH - stcp->width);
wp->w_nrwidth += addwidth;
@@ -884,9 +885,7 @@ static int get_rightmost_vcol(win_T *wp, const int *color_cols)
if (color_cols) {
// determine rightmost colorcolumn to possibly draw
for (int i = 0; color_cols[i] >= 0; i++) {
- if (ret < color_cols[i]) {
- ret = color_cols[i];
- }
+ ret = MAX(ret, color_cols[i]);
}
}
@@ -1156,7 +1155,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
area_highlighting = true;
}
VirtLines virt_lines = KV_INITIAL_VALUE;
- wlv.n_virt_lines = decor_virt_lines(wp, lnum, &virt_lines, has_fold);
+ wlv.n_virt_lines = decor_virt_lines(wp, lnum - 1, lnum, &virt_lines, true);
wlv.filler_lines += wlv.n_virt_lines;
if (lnum == wp->w_topline) {
wlv.filler_lines = wp->w_topfill;
@@ -1421,7 +1420,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
line = ml_get_buf(wp->w_buffer, lnum);
ptr = line + linecol;
- if (len == 0 || (int)wp->w_cursor.col > ptr - line) {
+ if (len == 0 || wp->w_cursor.col > linecol) {
// no bad word found at line start, don't check until end of a
// word
spell_hlf = HLF_COUNT;
@@ -1551,7 +1550,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
// When only updating the columns and that's done, stop here.
if (col_rows > 0) {
- wlv_put_linebuf(wp, &wlv, wlv.off, false, bg_attr, 0);
+ wlv_put_linebuf(wp, &wlv, MIN(wlv.off, grid->cols), false, bg_attr, 0);
// Need to update more screen lines if:
// - 'statuscolumn' needs to be drawn, or
// - LineNrAbove or LineNrBelow is used, or
@@ -1596,6 +1595,10 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
// hide virt_text on text hidden by 'nowrap' or 'smoothscroll'
decor_redraw_col(wp, (colnr_T)(ptr - line) - 1, wlv.off, true, &decor_state);
}
+ if (wlv.col >= grid->cols) {
+ wlv.col = wlv.off = grid->cols;
+ goto end_check;
+ }
}
if (cul_screenline && wlv.filler_todo <= 0
@@ -1822,7 +1825,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
// If a double-width char doesn't fit display a '>' in the last column.
// Don't advance the pointer but put the character at the start of the next line.
- if (wlv.col >= grid->cols - 1 && utf_char2cells(mb_c) == 2) {
+ if (wlv.col >= grid->cols - 1 && schar_cells(mb_schar) == 2) {
mb_c = '>';
mb_l = 1;
(void)mb_l;
@@ -1918,7 +1921,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
// 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 (wlv.col >= grid->cols - 1 && utf_char2cells(mb_c) == 2) {
+ if (wlv.col >= grid->cols - 1 && schar_cells(mb_schar) == 2) {
mb_schar = schar_from_ascii('>');
mb_c = '>';
mb_l = 1;
@@ -2389,6 +2392,12 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
|| (decor_conceal && decor_state.conceal_char)
|| wp->w_p_cole == 1)
&& wp->w_p_cole != 3) {
+ if (schar_cells(mb_schar) > 1) {
+ // When the first char to be concealed is double-width,
+ // need to advance one more virtual column.
+ wlv.n_extra++;
+ }
+
// First time at this concealed item: display one
// character.
if (has_match_conc && match_conc) {
@@ -2406,12 +2415,6 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
mb_schar = schar_from_ascii(' ');
}
- if (utf_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 = schar_get_first_codepoint(mb_schar);
prev_syntax_id = syntax_seqnr;
@@ -2480,7 +2483,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
&& mb_schar != NUL) {
mb_schar = wp->w_p_lcs_chars.prec;
lcs_prec_todo = NUL;
- if (utf_char2cells(mb_c) > 1) {
+ if (schar_cells(mb_schar) > 1) {
// Double-width character being overwritten by the "precedes"
// character, need to fill up half the character.
wlv.sc_extra = schar_from_ascii(MB_FILLER_CHAR);
@@ -2554,9 +2557,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
// Highlight 'cursorcolumn' & 'colorcolumn' past end of the line.
// check if line ends before left margin
- if (wlv.vcol < start_col + wlv.col - win_col_off(wp)) {
- wlv.vcol = start_col + wlv.col - win_col_off(wp);
- }
+ wlv.vcol = MAX(wlv.vcol, start_col + wlv.col - win_col_off(wp));
// Get rid of the boguscols now, we want to draw until the right
// edge for 'cursorcolumn'.
wlv.col -= wlv.boguscols;
@@ -2650,13 +2651,6 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
conceal_cursor_used = conceal_cursor_line(curwin);
}
- // When the window is too narrow draw all "@" lines.
- if (leftcols_width >= wp->w_grid.cols && is_wrapped) {
- win_draw_end(wp, schar_from_ascii('@'), true, wlv.row, wp->w_grid.rows, HLF_AT);
- set_empty_rows(wp, wlv.row);
- wlv.row = endrow;
- }
-
break;
}
@@ -2730,7 +2724,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
linebuf_vcol[wlv.off] = wlv.vcol;
- if (utf_char2cells(mb_c) > 1) {
+ if (schar_cells(mb_schar) > 1) {
// Need to fill two screen columns.
wlv.off++;
wlv.col++;
@@ -2749,7 +2743,7 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
wlv.off++;
wlv.col++;
} else if (wp->w_p_cole > 0 && is_concealing) {
- bool concealed_wide = utf_char2cells(mb_c) > 1;
+ bool concealed_wide = schar_cells(mb_schar) > 1;
wlv.skip_cells--;
wlv.vcol_off_co++;
@@ -2844,10 +2838,12 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
}
}
+end_check:
// 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 (wlv.col >= grid->cols && (!has_foldtext || virt_line_offset >= 0)
- && (*ptr != NUL
+ && (wlv.col <= leftcols_width
+ || *ptr != NUL
|| wlv.filler_todo > 0
|| (wp->w_p_list && wp->w_p_lcs_chars.eol != NUL && lcs_eol_todo)
|| (wlv.n_extra != 0 && (wlv.sc_extra != NUL || *wlv.p_extra != NUL))