diff options
| -rw-r--r-- | usr.bin/tmux/tty.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/usr.bin/tmux/tty.c b/usr.bin/tmux/tty.c index f167343273a..3cf61ba3aa8 100644 --- a/usr.bin/tmux/tty.c +++ b/usr.bin/tmux/tty.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tty.c,v 1.118 2012/03/12 12:43:18 nicm Exp $ */ +/* $OpenBSD: tty.c,v 1.119 2012/03/15 09:10:33 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> @@ -502,6 +502,19 @@ tty_emulate_repeat( } /* + * Is the region large enough to be worth redrawing once later rather than + * probably several times now? Currently yes if it is more than 50% of the + * pane. + */ +int +tty_large_region(unused struct tty *tty, const struct tty_ctx *ctx) +{ + struct window_pane *wp = ctx->wp; + + return (ctx->orlower - ctx->orupper >= screen_size_y(wp->screen) / 2); +} + +/* * Redraw scroll region using data from screen (already updated). Used when * CSR not supported, or window is a pane that doesn't take up the full * width of the terminal. @@ -514,12 +527,10 @@ tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx) u_int i; /* - * If region is >= 50% of the screen, just schedule a window redraw. In - * most cases, this is likely to be followed by some more scrolling - - * without this, the entire pane ends up being redrawn many times which - * can be much more data. + * If region is large, schedule a window redraw. In most cases this is + * likely to be followed by some more scrolling. */ - if (ctx->orlower - ctx->orupper >= screen_size_y(s) / 2) { + if (tty_large_region(tty, ctx)) { wp->flags |= PANE_REDRAW; return; } |