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Diffstat (limited to 'src/nvim/screen.c')
-rw-r--r--src/nvim/screen.c55
1 files changed, 36 insertions, 19 deletions
diff --git a/src/nvim/screen.c b/src/nvim/screen.c
index cd4f4de40f..f8d519ab36 100644
--- a/src/nvim/screen.c
+++ b/src/nvim/screen.c
@@ -1924,10 +1924,15 @@ static void fold_line(win_T *wp, long fold_count, foldinfo_T *foldinfo, linenr_T
if (fill_fold >= 0x80) {
ScreenLinesUC[off + col] = fill_fold;
ScreenLinesC[0][off + col] = 0;
- } else
+ ScreenLines[off + col] = 0x80; // avoid storing zero
+ } else {
ScreenLinesUC[off + col] = 0;
+ ScreenLines[off + col] = fill_fold;
+ }
+ col++;
+ } else {
+ ScreenLines[off + col++] = fill_fold;
}
- ScreenLines[off + col++] = fill_fold;
}
if (text != buf)
@@ -2112,16 +2117,16 @@ win_line (
bool nochange /* not updating for changed text */
)
{
- int col; /* visual column on screen */
- unsigned off; /* offset in ScreenLines/ScreenAttrs */
- int c = 0; /* init for GCC */
- long vcol = 0; /* virtual column (for tabs) */
+ int col = 0; // visual column on screen
+ unsigned off; // offset in ScreenLines/ScreenAttrs
+ int c = 0; // init for GCC
+ long vcol = 0; // virtual column (for tabs)
long vcol_sbr = -1; // virtual column after showbreak
- long vcol_prev = -1; /* "vcol" of previous character */
- char_u *line; /* current line */
- char_u *ptr; /* current position in "line" */
- int row; /* row in the window, excl w_winrow */
- int screen_row; /* row on the screen, incl w_winrow */
+ long vcol_prev = -1; // "vcol" of previous character
+ char_u *line; // current line
+ char_u *ptr; // current position in "line"
+ int row; // row in the window, excl w_winrow
+ int screen_row; // row on the screen, incl w_winrow
char_u extra[18]; /* line number and 'fdc' must fit in here */
int n_extra = 0; /* number of extra chars */
@@ -2195,7 +2200,7 @@ win_line (
int change_start = MAXCOL; /* first col of changed area */
int change_end = -1; /* last col of changed area */
colnr_T trailcol = MAXCOL; /* start of trailing spaces */
- int need_showbreak = FALSE;
+ int need_showbreak = false; // overlong line, skip first x chars
int line_attr = 0; /* attribute for the whole line */
matchitem_T *cur; /* points to the match list */
match_T *shl; /* points to search_hl or a match */
@@ -2522,7 +2527,11 @@ win_line (
if (vcol > v) {
vcol -= c;
ptr = prev_ptr;
- n_skip = v - vcol;
+ // If the character fits on the screen, don't need to skip it.
+ // Except for a TAB.
+ if (((*mb_ptr2cells)(ptr) >= c || *ptr == TAB) && col == 0) {
+ n_skip = v - vcol;
+ }
}
/*
@@ -2705,11 +2714,14 @@ win_line (
draw_state = WL_FOLD;
if (fdc > 0) {
- // Draw the 'foldcolumn'.
- fill_foldcolumn(extra, wp, false, lnum);
+ // Draw the 'foldcolumn'. Allocate a buffer, "extra" may
+ // already be in use.
+ xfree(p_extra_free);
+ p_extra_free = xmalloc(12 + 1);
+ fill_foldcolumn(p_extra_free, wp, false, lnum);
n_extra = fdc;
- p_extra = extra;
- p_extra[n_extra] = NUL;
+ p_extra_free[n_extra] = NUL;
+ p_extra = p_extra_free;
c_extra = NUL;
char_attr = win_hl_attr(wp, HLF_FC);
}
@@ -2805,8 +2817,10 @@ win_line (
// draw 'breakindent': indent wrapped text accodringly
if (draw_state == WL_BRI - 1 && n_extra == 0) {
draw_state = WL_BRI;
- if (wp->w_p_bri && row != startrow && filler_lines == 0) {
- char_attr = wp->w_hl_attr_normal; // was: hl_attr(HLF_AT);
+ // if need_showbreak is set, breakindent also applies
+ if (wp->w_p_bri && (row != startrow || need_showbreak)
+ && filler_lines == 0) {
+ char_attr = wp->w_hl_attr_normal;
if (diff_hlf != (hlf_T)0) {
char_attr = win_hl_attr(wp, diff_hlf);
@@ -3510,6 +3524,7 @@ win_line (
p = xmalloc(len + 1);
memset(p, ' ', len);
p[len] = NUL;
+ xfree(p_extra_free);
p_extra_free = p;
for (i = 0; i < tab_len; i++) {
mb_char2bytes(lcs_tab2, p);
@@ -3625,6 +3640,7 @@ win_line (
memset(p, ' ', n_extra);
STRNCPY(p, p_extra + 1, STRLEN(p_extra) - 1);
p[n_extra] = NUL;
+ xfree(p_extra_free);
p_extra_free = p_extra = p;
} else {
n_extra = byte2cells(c) - 1;
@@ -4298,6 +4314,7 @@ win_line (
cap_col = 0;
}
+ xfree(p_extra_free);
return row;
}