perf ui browser: Add ui_browser__show counterpart: __hide
So that the common tasks of providing a helpline at __run entry and
destroying the window and releasing resourses at exit can be abstracted
away, reducing a bit more the coupling with libnewt.
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index cee7998..dd512b7 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -211,7 +211,8 @@
nr_events, unit);
newtDrawRootText(0, 0, str);
- if (ui_browser__show(&self->b, title) < 0)
+ if (ui_browser__show(&self->b, title,
+ "Press '?' for help on key bindings") < 0)
return -1;
newtFormAddHotKey(self->b.form, 'A');
@@ -253,6 +254,8 @@
return 0;
}
}
+
+ ui_browser__hide(&self->b);
return 0;
}