Revision: 2730
http://tmux.svn.sourceforge.net/tmux/?rev=2730&view=rev
Author: tcunha
Date: 2012-03-18 01:46:37 +0000 (Sun, 18 Mar 2012)
Log Message:
-----------
Sync OpenBSD patchset 1051:
Add a helper function for enabling an optimization to make some code
clearer.
Modified Paths:
--------------
trunk/tty.c
Modified: trunk/tty.c
===================================================================
--- trunk/tty.c 2012-03-18 01:40:26 UTC (rev 2729)
+++ trunk/tty.c 2012-03-18 01:46:37 UTC (rev 2730)
@@ -502,6 +502,19 @@
}
/*
+ * 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 @@
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;
}
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