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Add support for the iTerm2 sychronized updates escape sequence which

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drastically reduces flickering.
This commit is contained in:
nicm
2020-04-16 13:35:24 +00:00
parent a2e47b5279
commit b2443aa2f9
7 changed files with 56 additions and 2 deletions
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11
screen-write.c
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@ -100,7 +100,8 @@ void
screen_write_start(struct screen_write_ctx *ctx, struct window_pane *wp,
struct screen *s)
{
u_int y;
struct tty_ctx ttyctx;
u_int y;
memset(ctx, 0, sizeof *ctx);
@ -129,18 +130,26 @@ screen_write_start(struct screen_write_ctx *ctx, struct window_pane *wp,
screen_size_y(ctx->s));
}
}
screen_write_initctx(ctx, &ttyctx);
tty_write(tty_cmd_syncstart, &ttyctx);
}
/* Finish writing. */
void
screen_write_stop(struct screen_write_ctx *ctx)
{
struct tty_ctx ttyctx;
screen_write_collect_end(ctx);
screen_write_collect_flush(ctx, 0);
log_debug("%s: %u cells (%u written, %u skipped)", __func__,
ctx->cells, ctx->written, ctx->skipped);
screen_write_initctx(ctx, &ttyctx);
tty_write(tty_cmd_syncend, &ttyctx);
free(ctx->item);
free(ctx->list); /* flush will have emptied */
}