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Fix bug with utf-8 extended characters not respecting visible range.

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This commit is contained in:
Michael Grant
2026-02-24 01:19:24 +00:00
parent e2cf40ef99
commit 6898e26a7a
2 changed files with 6 additions and 5 deletions
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10
screen-write.c
View File

@@ -2254,6 +2254,9 @@ screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
if (selected)
skip = 0;
/* xxx cache r in wp ? */
r = screen_redraw_get_visible_ranges(wp, s->cx, s->cy, width, NULL);
/*
* Move the cursor. If not wrapping, stick at the last character and
* replace it.
@@ -2279,10 +2282,7 @@ screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
memcpy(&tmp_gc, gc, sizeof tmp_gc);
ttyctx.cell = &tmp_gc;
ttyctx.num = redraw ? 2 : 0;
/* xxx to be cached in wp */
r = screen_redraw_get_visible_ranges(wp, s->cx, s->cy, width,
NULL);
for (i=0; i < r->used; i++) vis += r->ranges[i].nx;
for (i=0, vis=0; i < r->used; i++) vis += r->ranges[i].nx;
if (vis < width) {
/* Wide character or tab partly obscured. Write
* spaces one by one in unobscured region(s).
@@ -2411,7 +2411,7 @@ screen_write_combine(struct screen_write_ctx *ctx, const struct grid_cell *gc)
* could be an empty range in the visible ranges so we add them all up.
*/
r = screen_redraw_get_visible_ranges(wp, cx - n, cy, n, NULL);
for (i=0; i < r->used; i++) vis += r->ranges[i].nx;
for (i=0, vis=0; i < r->used; i++) vis += r->ranges[i].nx;
if (vis < n) {
/*
* Part of this character is obscured. Return 1

1
tty-draw.c
View File

@@ -223,6 +223,7 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
*/
empty = 0;
next_state = TTY_DRAW_LINE_DONE;
gcp = &grid_default_cell;
} else {
/* Get the current cell. */
grid_view_get_cell(gd, px + i, py, &gc);