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Change overlay_ranges to visible_ranges.

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This commit is contained in:
Nicholas Marriott
2026-01-20 21:09:30 +00:00
parent 25f72cf240
commit b108653f02
7 changed files with 209 additions and 92 deletions
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69
screen.c
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@@ -770,3 +770,72 @@ screen_mode_to_string(int mode)
tmp[strlen(tmp) - 1] = '\0';
return (tmp);
}
#ifdef DEBUG
/* Debug function. Usage in gdb:
* printf "%S",screen_print(s)
*/
__unused char *
screen_print(struct screen *s) {
static char buf[16384];
const char *acs;
u_int x, y;
size_t last = 0, n;
struct utf8_data ud;
struct grid_line *gl;
struct grid_cell_entry *gce;
for (y = 0; y < screen_hsize(s)+s->grid->sy; y++) {
if (last + 6 > sizeof buf) goto out;
n = snprintf(buf + last, sizeof buf - last, "%.4d ", y);
last += n;
buf[last++] = '"';
gl = &s->grid->linedata[y];
for (x = 0; x < gl->cellused; x++) {
gce = &gl->celldata[x];
if (gce->flags & GRID_FLAG_PADDING)
continue;
if (~gce->flags & GRID_FLAG_EXTENDED) {
/* single-byte cell stored inline */
if (last + 2 > sizeof buf) goto out;
buf[last++] = gce->data.data;
} else if (gce->flags & GRID_FLAG_TAB) {
if (last + 2 > sizeof buf) goto out;
buf[last++] = '\t';
} else if ((gce->data.data & 0xff) &&
(gce->flags & GRID_ATTR_CHARSET)) {
/* single-byte ACS inline: try to map */
acs = tty_acs_get(NULL, gce->data.data);
if (acs != NULL) {
n = strlen(acs);
if (last + n + 1 > sizeof buf) goto out;
memcpy(buf + last, acs, n);
last += n;
continue;
}
buf[last++] = gce->data.data;
} else {
/* extended cell: convert utf8_char -> bytes */
utf8_to_data(gl->extddata[gce->offset].data,
&ud);
if (ud.size > 0) {
if (last + ud.size + 1 > sizeof buf)
goto out;
memcpy(buf + last, ud.data, ud.size);
last += ud.size;
}
}
}
if (last + 3 > sizeof buf) goto out;
buf[last++] = '"';
buf[last++] = '\n';
}
out: buf[last] = '\0';
return (buf);
}
#endif