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When a redraw is deferred because the terminal hasn't finished reading

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the data from the last one, other panes could update while waiting, so
we set the flag to redraw them all when the new redraw actually
happened. But this means a lot of redrawing panes unnecessarily if they
haven't changed - so instead set a flag to say "at least one pane needs
to be redrawed" then look at the invidual pane flags to see which ones
need it.
This commit is contained in:
nicm
2020-04-18 06:10:15 +00:00
parent a7a9460d27
commit 5289d4ed13
4 changed files with 37 additions and 15 deletions
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16
tty.c
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@ -1438,15 +1438,19 @@ tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
void
tty_sync_start(struct tty *tty)
{
if (tty_get_flags(tty) & TERM_SYNC)
if ((~tty->flags & TTY_SYNCING) && (tty_get_flags(tty) & TERM_SYNC)) {
tty_puts(tty, "\033P=1s\033\\");
tty->flags |= TTY_SYNCING;
}
}
void
tty_sync_end(struct tty *tty)
{
if (tty_get_flags(tty) & TERM_SYNC)
if (tty_get_flags(tty) & TERM_SYNC) {
tty_puts(tty, "\033P=2s\033\\");
tty->flags &= ~TTY_SYNCING;
}
}
static int
@ -1480,6 +1484,14 @@ tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
TAILQ_FOREACH(c, &clients, entry) {
if (!tty_client_ready(c, wp))
continue;
if (c->flags & CLIENT_REDRAWPANES) {
/*
* Redraw is already deferred to redraw another pane -
* redraw this one also when that happens.
*/
wp->flags |= PANE_REDRAW;
break;
}
ctx->bigger = tty_window_offset(&c->tty, &ctx->ox, &ctx->oy,
&ctx->sx, &ctx->sy);