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Image grid infrastructure.

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This commit is contained in:
Nicholas Marriott
2026-10-12 19:20:42 +01:00
parent 9566f6f9ca
commit e9fffcc7e9
11 changed files with 777 additions and 589 deletions
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124
tty.c
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@@ -68,11 +68,6 @@ static void tty_emulate_repeat(struct tty *, enum tty_code_code,
enum tty_code_code, u_int);
static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
#ifdef ENABLE_IMAGES
static void tty_write_one(void (*)(struct tty *, const struct tty_ctx *),
struct client *, struct tty_ctx *);
#endif
#define tty_use_margin(tty) \
(tty->term->flags & TERM_DECSLRM)
#define tty_full_width(tty, ctx) \
@@ -1460,60 +1455,6 @@ tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
return (&new);
}
#ifdef ENABLE_IMAGES
/* Update context for client. */
static int
tty_set_client_cb(struct tty_ctx *ttyctx, struct client *c)
{
struct window_pane *wp = ttyctx->arg;
if (c->session->curw->window != wp->window)
return (0);
if (wp->layout_cell == NULL)
return (0);
if (tty_window_offset(&c->tty, &ttyctx->wox, &ttyctx->woy, &ttyctx->wsx,
&ttyctx->wsy))
ttyctx->flags |= TTY_CTX_WINDOW_BIGGER;
else
ttyctx->flags &= ~TTY_CTX_WINDOW_BIGGER;
ttyctx->yoff = ttyctx->ryoff = wp->yoff;
if (status_at_line(c) == 0)
ttyctx->yoff += status_line_size(c);
return (1);
}
void
tty_draw_images(struct client *c, struct window_pane *wp)
{
struct image *im;
struct tty_ctx ttyctx;
TAILQ_FOREACH(im, &wp->screen->images, entry) {
memset(&ttyctx, 0, sizeof ttyctx);
/* Set the client independent properties. */
ttyctx.ocx = im->px;
ttyctx.ocy = im->py;
ttyctx.orlower = wp->screen->rlower;
ttyctx.orupper = wp->screen->rupper;
ttyctx.xoff = ttyctx.rxoff = wp->xoff;
ttyctx.sx = wp->sx;
ttyctx.sy = wp->sy;
ttyctx.image = im;
ttyctx.arg = wp;
ttyctx.set_client_cb = tty_set_client_cb;
ttyctx.flags |= TTY_CTX_INVISIBLE_PANES;
tty_write_one(tty_cmd_sixelimage, c, &ttyctx);
}
}
#endif
void
tty_sync_start(struct tty *tty)
{
@@ -1588,19 +1529,6 @@ tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
}
}
#ifdef ENABLE_IMAGES
/* Only write to the incoming tty instead of every client. */
static void
tty_write_one(void (*cmdfn)(struct tty *, const struct tty_ctx *),
struct client *c, struct tty_ctx *ctx)
{
if (ctx->set_client_cb == NULL)
return;
if ((ctx->set_client_cb(ctx, c)) == 1)
cmdfn(&c->tty, ctx);
}
#endif
void
tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
{
@@ -2034,58 +1962,6 @@ tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
tty_invalidate(tty);
}
#ifdef ENABLE_IMAGES
void
tty_cmd_sixelimage(struct tty *tty, const struct tty_ctx *ctx)
{
struct image *im = ctx->image;
struct sixel_image *si = im->data;
struct sixel_image *new;
char *data;
size_t size;
u_int cx = ctx->ocx, cy = ctx->ocy, sx, sy;
u_int i, j, x, y, rx, ry;
int fallback = 0;
if ((~tty->term->flags & TERM_SIXEL) &&
!tty_term_has(tty->term, TTYC_SXL))
fallback = 1;
if (tty->xpixel == 0 || tty->ypixel == 0)
fallback = 1;
sixel_size_in_cells(si, &sx, &sy);
log_debug("%s: image is %ux%u", __func__, sx, sy);
if (!tty_clamp_area(tty, ctx, cx, cy, sx, sy, &i, &j, &x, &y, &rx, &ry))
return;
log_debug("%s: clamping to %u,%u-%u,%u", __func__, i, j, rx, ry);
if (fallback == 1) {
data = xstrdup(im->fallback);
size = strlen(data);
} else {
new = sixel_scale(si, tty->xpixel, tty->ypixel, i, j, rx, ry, 0);
if (new == NULL)
return;
data = sixel_print(new, si, &size);
}
if (data != NULL) {
log_debug("%s: %zu bytes: %s", __func__, size, data);
tty_region_off(tty);
tty_margin_off(tty);
tty_cursor(tty, x, y);
tty->flags |= TTY_NOBLOCK;
tty_add(tty, data, size);
tty_invalidate(tty);
free(data);
}
if (fallback == 0)
sixel_free(new);
}
#endif
void
tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
{