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Bring back previons fix to only redraw panes that need it after a redraw

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is deferred, but clear the pane flags when they are actually redrawn
rather than every time.
This commit is contained in:
nicm
2020-04-18 07:32:53 +00:00
parent e153b928ff
commit b0a37e7514
4 changed files with 23 additions and 11 deletions
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18
server-client.c
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@ -1370,7 +1370,6 @@ server_client_loop(void)
if (resize)
server_client_check_resize(wp);
}
wp->flags &= ~PANE_REDRAW;
}
check_window_name(w);
}
@ -1681,7 +1680,7 @@ server_client_check_redraw(struct client *c)
struct session *s = c->session;
struct tty *tty = &c->tty;
struct window_pane *wp;
int needed, flags, mode = tty->mode;
int needed, flags, mode = tty->mode, new_flags = 0;
struct timeval tv = { .tv_usec = 1000 };
static struct event ev;
size_t left;
@ -1689,11 +1688,12 @@ server_client_check_redraw(struct client *c)
if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
return;
if (c->flags & CLIENT_ALLREDRAWFLAGS) {
log_debug("%s: redraw%s%s%s%s", c->name,
log_debug("%s: redraw%s%s%s%s%s", c->name,
(c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
(c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
(c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
(c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "");
(c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "",
(c->flags & CLIENT_REDRAWPANES) ? " panes" : "");
}
/*
@ -1711,6 +1711,8 @@ server_client_check_redraw(struct client *c)
break;
}
}
if (needed)
new_flags |= CLIENT_REDRAWPANES;
}
if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
log_debug("%s: redraw deferred (%zu left)", c->name, left);
@ -1720,12 +1722,7 @@ server_client_check_redraw(struct client *c)
log_debug("redraw timer started");
evtimer_add(&ev, &tv);
}
/*
* We may have got here for a single pane redraw, but force a
* full redraw next time in case other panes have been updated.
*/
c->flags |= CLIENT_ALLREDRAWFLAGS;
c->flags |= new_flags;
return;
} else if (needed)
log_debug("%s: redraw needed", c->name);
@ -1745,6 +1742,7 @@ server_client_check_redraw(struct client *c)
screen_redraw_pane(c, wp);
}
}
c->flags &= ~CLIENT_REDRAWPANES;
}
if (c->flags & CLIENT_ALLREDRAWFLAGS) {