[PATCH 5/5] compute next and previous window with modulo arithmetic

[Daniel Lezcano]

Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org>
---
 powerdebug.c |   16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/powerdebug.c b/powerdebug.c
index dd4fe91..5fe07de 100644
--- a/powerdebug.c
+++ b/powerdebug.c
@@ -15,6 +15,7 @@
 
 #include <getopt.h>
 #include <stdbool.h>
+#include <math.h>
 #include "regulator.h"
 #include "display.h"
 #include "clocks.h"
@@ -164,17 +165,16 @@ int keystroke_callback(bool *enter_hit, bool 
*findparent_ncurses,
        if (keystroke == EOF)
                exit(0);
 
-       if (keystroke == KEY_RIGHT || keystroke == '\t')
+       if (keystroke == KEY_RIGHT || keystroke == '\t') {
                options->selectedwindow++;
+               options->selectedwindow %= TOTAL_FEATURE_WINS;
+       }
 
-       if (keystroke == KEY_LEFT || keystroke == KEY_BTAB)
+       if (keystroke == KEY_LEFT || keystroke == KEY_BTAB) {
                options->selectedwindow--;
-
-       if (options->selectedwindow >= TOTAL_FEATURE_WINS)
-               options->selectedwindow = 0;
-
-       if (options->selectedwindow < 0)
-               options->selectedwindow = TOTAL_FEATURE_WINS - 1;
+               if (options->selectedwindow < 0)
+                       options->selectedwindow = TOTAL_FEATURE_WINS - 1;
+       }
 
        if (options->selectedwindow == CLOCK) {
                if (keystroke == KEY_DOWN)
-- 
1.7.1


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