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screen: winhl=Normal:Background should not override syntax (#8093)

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fixes #7375
This commit is contained in:
Björn Linse
2018-04-02 14:21:14 +02:00
committed by Justin M. Keyes
parent cb5cde6e2b
commit 60e96a45b4
2 changed files with 58 additions and 16 deletions
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38
src/nvim/screen.c
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@@ -2044,7 +2044,7 @@ static void fold_line(win_T *wp, long fold_count, foldinfo_T *foldinfo, linenr_T
}
screen_line(row + wp->w_winrow, wp->w_wincol, wp->w_width,
wp->w_width, false, wp);
wp->w_width, false, wp, 0);
/*
* Update w_cline_height and w_cline_folded if the cursor line was
@@ -2465,10 +2465,6 @@ win_line (
line_attr = win_hl_attr(wp, HLF_QFL);
}
if (wp->w_hl_attr_normal != 0) {
line_attr = hl_combine_attr(wp->w_hl_attr_normal, line_attr);
}
if (line_attr != 0) {
area_highlighting = true;
}
@@ -2926,7 +2922,8 @@ win_line (
&& lnum == wp->w_cursor.lnum && vcol >= (long)wp->w_virtcol
&& filler_todo <= 0
) {
screen_line(screen_row, wp->w_wincol, col, -wp->w_width, wp->w_p_rl, wp);
screen_line(screen_row, wp->w_wincol, col, -wp->w_width, wp->w_p_rl, wp,
wp->w_hl_attr_normal);
// Pretend we have finished updating the window. Except when
// 'cursorcolumn' is set.
if (wp->w_p_cuc) {
@@ -4019,7 +4016,8 @@ win_line (
col++;
}
}
screen_line(screen_row, wp->w_wincol, col, wp->w_width, wp->w_p_rl, wp);
screen_line(screen_row, wp->w_wincol, col, wp->w_width, wp->w_p_rl, wp,
wp->w_hl_attr_normal);
row++;
/*
@@ -4242,7 +4240,7 @@ win_line (
|| (n_extra != 0 && (c_extra != NUL || *p_extra != NUL)))
) {
screen_line(screen_row, wp->w_wincol, col - boguscols,
wp->w_width, wp->w_p_rl, wp);
wp->w_width, wp->w_p_rl, wp, wp->w_hl_attr_normal);
boguscols = 0;
++row;
++screen_row;
@@ -4412,7 +4410,7 @@ static int char_needs_redraw(int off_from, int off_to, int cols)
* When FALSE and "clear_width" > 0, clear columns "endcol" to "clear_width"
*/
static void screen_line(int row, int coloff, int endcol,
int clear_width, int rlflag, win_T *wp)
int clear_width, int rlflag, win_T *wp, int bg_attr)
{
unsigned off_from;
unsigned off_to;
@@ -4445,15 +4443,16 @@ static void screen_line(int row, int coloff, int endcol,
/* Clear rest first, because it's left of the text. */
if (clear_width > 0) {
while (col <= endcol && ScreenLines[off_to] == ' '
&& ScreenAttrs[off_to] == 0
&& ScreenAttrs[off_to] == bg_attr
&& (!enc_utf8 || ScreenLinesUC[off_to] == 0)
) {
++off_to;
++col;
}
if (col <= endcol)
screen_fill(row, row + 1, col + coloff,
endcol + coloff + 1, ' ', ' ', 0);
if (col <= endcol) {
screen_fill(row, row + 1, col + coloff, endcol + coloff + 1, ' ', ' ',
bg_attr);
}
}
col = endcol + 1;
off_to = LineOffset[row] + col + coloff;
@@ -4461,6 +4460,13 @@ static void screen_line(int row, int coloff, int endcol,
endcol = (clear_width > 0 ? clear_width : -clear_width);
}
if (bg_attr) {
for (int c = col; c < endcol; c++) {
ScreenAttrs[off_from+c] = hl_combine_attr(bg_attr,
ScreenAttrs[off_from+c]);
}
}
redraw_next = char_needs_redraw(off_from, off_to, endcol - col);
while (col < endcol) {
@@ -4559,15 +4565,15 @@ static void screen_line(int row, int coloff, int endcol,
/* blank out the rest of the line */
while (col < clear_width && ScreenLines[off_to] == ' '
&& ScreenAttrs[off_to] == 0
&& ScreenAttrs[off_to] == bg_attr
&& (!enc_utf8 || ScreenLinesUC[off_to] == 0)
) {
++off_to;
++col;
}
if (col < clear_width) {
screen_fill(row, row + 1, col + coloff, clear_width + coloff,
' ', ' ', 0);
screen_fill(row, row + 1, col + coloff, clear_width + coloff, ' ', ' ',
bg_attr);
off_to += clear_width - col;
col = clear_width;
}