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Set up default and last cell before clearing padding, reported by

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someone on GitHub.
This commit is contained in:
nicm
2026-04-04 11:39:49 +00:00
parent 3badbc50e0
commit a827725a8d
1 changed files with 14 additions and 13 deletions
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27
tty-draw.c
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@@ -164,6 +164,18 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
"bg=%d", __func__, px, px + nx, py, ex, atx, aty, defaults->fg,
defaults->bg);
/* Turn off cursor while redrawing and reset region and margins. */
flags = (tty->flags & TTY_NOCURSOR);
tty->flags |= TTY_NOCURSOR;
tty_update_mode(tty, tty->mode, s);
tty_region_off(tty);
tty_margin_off(tty);
/* Start with the default cell as the last cell. */
memcpy(&last, &grid_default_cell, sizeof last);
last.bg = defaults->bg;
tty_default_attributes(tty, defaults, palette, 8, s->hyperlinks);
/*
* If there is padding at the start, we must have truncated a wide
* character. Clear it.
@@ -196,7 +208,7 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
log_debug("%s: clearing %u padding cells", __func__, cx);
tty_draw_line_clear(tty, atx, aty, cx, defaults, bg, 0);
if (cx == ex)
return;
goto out;
atx += cx;
px += cx;
nx -= cx;
@@ -210,18 +222,6 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
wrapped = 1;
}
/* Turn off cursor while redrawing and reset region and margins. */
flags = (tty->flags & TTY_NOCURSOR);
tty->flags |= TTY_NOCURSOR;
tty_update_mode(tty, tty->mode, s);
tty_region_off(tty);
tty_margin_off(tty);
/* Start with the default cell as the last cell. */
memcpy(&last, &grid_default_cell, sizeof last);
last.bg = defaults->bg;
tty_default_attributes(tty, defaults, palette, 8, s->hyperlinks);
/* Loop over each character in the range. */
last_i = i = 0;
len = 0;
@@ -332,6 +332,7 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
i += gcp->data.width;
}
out:
tty->flags = (tty->flags & ~TTY_NOCURSOR)|flags;
tty_update_mode(tty, tty->mode, s);
}