Commit-ID:  8d7d377c2bea16afa6b600a4517615a9eebb259b
Gitweb:     http://git.kernel.org/tip/8d7d377c2bea16afa6b600a4517615a9eebb259b
Author:     Ingo Molnar <mi...@kernel.org>
AuthorDate: Thu, 5 Mar 2015 11:32:13 +0100
Committer:  Arnaldo Carvalho de Melo <a...@redhat.com>
CommitDate: Wed, 9 Dec 2015 13:41:55 -0300

perf tui: Change default selection background color to yellow

Boris reported that 'perf top' is unusable on his default 'black on
white' terminal, which uses (eye friendly) light-grey as a background
color.

The reason is that the TUI cursor for the current selection line uses
HE_COLORSET_SELECTED, and that has a default background color of
'lightgrey' - which is a common terminal background choice and thus
the colors conflict.

Use yellow as the background color instead: that should be an uncommon
terminal background, yet it's still ergonomic on both black and
white/grey terminals.

[ It would be a better solution to straight out detect color
  collisions and resolve them reasonably by converting them to RGB and
  calculating color space distances, but I was unable to find
  proper documentation for SLtt_get_color_object() to recover the
  current color scheme so I gave up ... Yellow works well enough. ]

Reported-and-Tested-by: Borislav Petkov <b...@alien8.de>
Signed-off-by: Ingo Molnar <mi...@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: David Binderman <dcb...@hotmail.com>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Link: http://lkml.kernel.org/r/20150305103213.ga23...@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/ui/browser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index e9703c0..d372021 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -528,7 +528,7 @@ static struct ui_browser_colorset {
                .colorset = HE_COLORSET_SELECTED,
                .name     = "selected",
                .fg       = "black",
-               .bg       = "lightgray",
+               .bg       = "yellow",
        },
        {
                .colorset = HE_COLORSET_CODE,
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