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Check visible ranges when copying screens.

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This commit is contained in:
nicm
2026-05-27 19:43:46 +00:00
parent bbe26df83d
commit f00f92e7e3
1 changed files with 16 additions and 10 deletions
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26
screen-write.c
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@@ -624,33 +624,39 @@ screen_write_fast_copy(struct screen_write_ctx *ctx, struct screen *src,
struct grid_line *gl, *sgl;
struct grid_cell gc;
u_int xx, yy, cx = s->cx, cy = s->cy;
int yoff = 0;
struct visible_ranges *r;
if (nx == 0 || ny == 0)
return;
if (wp != NULL)
yoff = wp->yoff;
for (yy = py; yy < py + ny; yy++) {
if (yy >= gd->hsize + gd->sy)
break;
s->cx = cx;
if (wp != NULL)
screen_write_initctx(ctx, &ttyctx, 0, 0);
screen_write_initctx(ctx, &ttyctx, 0, 0);
r = screen_redraw_get_visible_ranges(wp, px, s->cy + yoff, nx,
NULL);
for (xx = px; xx < px + nx; xx++) {
gl = grid_get_line(gd, yy);
sgl = grid_get_line(ctx->s->grid, s->cy);
sgl = grid_get_line(s->grid, s->cy);
if (xx >= gl->cellsize && s->cx >= sgl->cellsize)
break;
grid_get_cell(gd, xx, yy, &gc);
if (xx + gc.data.width > px + nx)
break;
grid_view_set_cell(ctx->s->grid, s->cx, s->cy, &gc);
if (wp == NULL) {
s->cx++;
continue;
}
grid_view_set_cell(s->grid, s->cx, s->cy, &gc);
if (!screen_redraw_is_visible(r, px))
break;
ttyctx.cell = &gc;
ttyctx.flags &= (TTY_CTX_OVERLAY_SYNC|TTY_CTX_SYNC);
tty_write(tty_cmd_cell, &ttyctx);
ttyctx.ocx++;
s->cx++;
}
s->cy++;
@@ -2260,10 +2266,10 @@ screen_write_cell(struct screen_write_ctx *ctx, const struct grid_cell *gc)
const struct utf8_data *ud = &gc->data;
struct grid_line *gl;
struct grid_cell_entry *gce;
struct grid_cell tmp_gc, now_gc;
struct grid_cell tmp_gc, now_gc;
struct tty_ctx ttyctx;
u_int sx = screen_size_x(s), sy = screen_size_y(s);
u_int width = ud->width, xx, not_wrap;
u_int width = ud->width, xx, not_wrap;
int selected, skip = 1, redraw = 0;
/* Ignore padding cells. */