perf ui browser: Clean lines inside of the input window

As Arnaldo pointed out, it should be cleared to prevent the window from
displaying overlapped strings on the region.

Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1332125180-23041-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/tools/perf/util/ui/util.c b/tools/perf/util/ui/util.c
index 360f43fd5400..ad4374a16bb0 100644
--- a/tools/perf/util/ui/util.c
+++ b/tools/perf/util/ui/util.c
@@ -108,9 +108,13 @@ int ui_browser__input_window(const char *title, const char *text, char *input,
         max_len -= 2;
         SLsmg_write_wrapped_string((unsigned char *)text, y, x,
                                    nr_lines, max_len, 1);
-        y += nr_lines + 1;
-        SLsmg_set_color(0);
-        SLsmg_draw_box(y - 1, x + 1, 3, max_len - 2);
+        y += nr_lines;
+        len = 5;
+        while (len--) {
+                SLsmg_gotorc(y + len - 1, x);
+                SLsmg_write_nstring((char *)" ", max_len);
+        }
+        SLsmg_draw_box(y++, x + 1, 3, max_len - 2);
 
         SLsmg_gotorc(y + 3, x);
         SLsmg_write_nstring((char *)exit_msg, max_len);