No need to call werase() each time cursor changes its position. In fact
the only
time we should call it - is when list of tunables changed.
Introduce static bool flag to mark the need of werase() call.
Signed-off-by: Sergey Senozhatsky <sergey.senozhat...@gmail.com>
---
tuning/tuning.cpp | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/tuning/tuning.cpp b/tuning/tuning.cpp
index 1ca33d7..57ef3d1 100644
--- a/tuning/tuning.cpp
+++ b/tuning/tuning.cpp
@@ -43,6 +43,7 @@
#include "../lib.h"
static void sort_tunables(void);
+static bool should_clear = FALSE;
#ifndef DISABLE_NCURSES
class tuning_window: public tab_window {
@@ -96,13 +97,15 @@ static void __tuning_update_display(int cursor_pos)
WINDOW *win;
unsigned int i;
-
win = get_ncurses_win("Tunables");
if (!win)
return;
- wclear(win);
+ if (should_clear) {
+ should_clear = FALSE;
+ wclear(win);
+ }
wmove(win, 2,0);
@@ -182,6 +185,7 @@ static bool tunables_sort(class tunable * i, class tunable
* j)
void tuning_window::window_refresh()
{
clear_tuning();
+ should_clear = TRUE;
init_tuning();
}
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