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Use imagescroll feature.

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This commit is contained in:
Nicholas Marriott
2026-10-14 13:55:06 +01:00
parent d78914317c
commit d4d065c76c
11 changed files with 265 additions and 9 deletions
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28
image-grid.c
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@@ -86,7 +86,7 @@ struct image_recover_row {
/* A backend to draw an image. */
struct image_backend {
const char *name;
int flags;
int (*get_flags)(struct tty *);
int (*select)(struct tty *);
const struct grid_cell *(*map_cell)(struct tty *, struct grid *, u_int,
u_int, const struct grid_cell *, struct grid_cell *,
@@ -100,7 +100,7 @@ struct image_backend {
/* Backend definitions. */
static struct image_backend image_backend_fallback = {
"fallback",
IMAGE_BACKEND_SCROLLS,
fallback_get_flags,
fallback_select,
fallback_map_cell,
NULL,
@@ -110,7 +110,7 @@ static struct image_backend image_backend_fallback = {
};
static struct image_backend image_backend_sixel = {
"sixel",
IMAGE_BACKEND_GRAPHICAL,
sixel_get_flags,
sixel_select,
NULL,
sixel_draw_rect,
@@ -147,6 +147,14 @@ image_tty_update(struct tty *tty)
return (1);
}
/* Get the flags for a terminal's image backend. */
int
image_backend_get_flags(struct tty *tty)
{
image_tty_update(tty);
return (tty->image_backend->get_flags(tty));
}
/* Map an image grid cell to text for the selected backend. */
const struct grid_cell *
image_map_cell(struct tty *tty, struct grid *gd, u_int x, u_int y,
@@ -679,10 +687,18 @@ image_redraw_all(struct screen_write_ctx *ctx)
void
image_redraw_scroll(struct screen_write_ctx *ctx)
{
struct screen *s = ctx->s;
u_int sx = screen_size_x(s), sy = s->rlower - s->rupper + 1;
struct screen *s = ctx->s;
struct window_pane *wp = ctx->wp;
u_int sx = screen_size_x(s);
u_int sy = s->rlower - s->rupper + 1;
image_redraw_area(ctx, 0, s->rupper, sx, sy);
if (wp == NULL)
return;
if (!image_grid_area_has_images(s->grid, 0,
s->grid->hsize + s->rupper, sx, sy))
return;
redraw_damage_scroll(wp->window, wp->xoff,
wp->yoff + s->rupper, sx, sy);
}
/* Redraw images under changed cells. */