[PATCH] perf ui browser: Clean lines inside of the input window

[Namhyung Kim]

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

Signed-off-by: Namhyung Kim <namhyung.kim@xxxxxxx>
---
 tools/perf/util/ui/util.c |   10 +++++++---
 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);
-- 
1.7.9

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