diff options
author | Michael Drake <tlsa@netsurf-browser.org> | 2011-08-31 13:04:50 +0000 |
---|---|---|
committer | Michael Drake <tlsa@netsurf-browser.org> | 2011-08-31 13:04:50 +0000 |
commit | f878fefeedf4bbe0ef6b2f9b788b5ff1b2ba1f7f (patch) | |
tree | d90b4d9b100be10655fea27efd8aae63079d4a53 | |
parent | c35b92acc105b763f9200e0b7c022c2930cc3e1d (diff) | |
download | netsurf-f878fefeedf4bbe0ef6b2f9b788b5ff1b2ba1f7f.tar.gz netsurf-f878fefeedf4bbe0ef6b2f9b788b5ff1b2ba1f7f.tar.bz2 |
Optimise out scrollbar action induced redraws with no effect.
svn path=/trunk/netsurf/; revision=12688
-rw-r--r-- | desktop/scrollbar.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/desktop/scrollbar.c b/desktop/scrollbar.c index 1c4b46d47..e6fe83c90 100644 --- a/desktop/scrollbar.c +++ b/desktop/scrollbar.c @@ -397,6 +397,7 @@ bool scrollbar_redraw(struct scrollbar *s, int x, int y, void scrollbar_set(struct scrollbar *s, int value, bool bar_pos) { int well_length; + int old_offset = s->offset; struct scrollbar_msg_data msg; if (value < 0) @@ -426,6 +427,10 @@ void scrollbar_set(struct scrollbar *s, int value, bool bar_pos) ((well_length * s->offset) / s->full_size); } + if (s->offset == old_offset) + /* Nothing happened */ + return; + msg.scrollbar = s; msg.msg = SCROLLBAR_MSG_MOVED; msg.scroll_offset = s->offset; |