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>

diff --git a/tools/perf/util/ui/util.c b/tools/perf/util/ui/util.c
index 360f43fd54008eb7e259a34d60baaeeb64d0cf3d..ad4374a16bb08b88c008ca6e79fcf4a5b15903b5 100644 (file)
--- 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);