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>

1 files changed, 3 insertions, 5 deletions

diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c
index 73e78ef38a5..55ff792459a 100644
--- a/tools/perf/util/ui/browsers/annotate.c
+++ b/tools/perf/util/ui/browsers/annotate.c
@@ -141,10 +141,10 @@ static int annotate_browser__run(struct annotate_browser *self,
         struct rb_node *nd;
         struct hist_entry *he = self->b.priv;
 
-        if (ui_browser__show(&self->b, he->ms.sym->name) < 0)
+        if (ui_browser__show(&self->b, he->ms.sym->name,
+                             "<- or ESC: exit, TAB/shift+TAB: cycle thru samples") < 0)
                 return -1;
 
-        ui_helpline__fpush("<- or ESC: exit, TAB/shift+TAB: cycle thru samples");
         newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
 
         nd = self->curr_hot;
@@ -177,9 +177,7 @@ static int annotate_browser__run(struct annotate_browser *self,
                 }
         }
 out:
-        newtFormDestroy(self->b.form);
-        newtPopWindow();
-        ui_helpline__pop();
+        ui_browser__hide(&self->b);
         return 0;
 }