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examples: Iterate through fingers via first/last refs

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Marco Trevisan (Treviño) 2019-12-17 18:15:37 +01:00 committed by Benjamin Berg
parent c5aedc9970
commit c9e1a7f283
1 changed files with 7 additions and 17 deletions
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24
examples/utilities.c
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@ -107,29 +107,19 @@ finger_to_string (FpFinger finger)
FpFinger FpFinger
finger_chooser (void) finger_chooser (void)
{ {
int i; int i = FP_FINGER_UNKNOWN;
const FpFinger all_fingers[] = {
FP_FINGER_LEFT_THUMB,
FP_FINGER_LEFT_INDEX,
FP_FINGER_LEFT_MIDDLE,
FP_FINGER_LEFT_RING,
FP_FINGER_LEFT_LITTLE,
FP_FINGER_RIGHT_THUMB,
FP_FINGER_RIGHT_INDEX,
FP_FINGER_RIGHT_MIDDLE,
FP_FINGER_RIGHT_RING,
FP_FINGER_RIGHT_LITTLE,
};
for (i = all_fingers[0]; i <= G_N_ELEMENTS (all_fingers); ++i) for (i = FP_FINGER_FIRST; i <= FP_FINGER_LAST; ++i)
g_print (" [%d] %s\n", (i - all_fingers[0]), finger_to_string (i)); g_print (" [%d] %s\n", (i - FP_FINGER_FIRST), finger_to_string (i));
g_print ("> "); g_print ("> ");
if (!scanf ("%d%*c", &i)) if (!scanf ("%d%*c", &i))
return FP_FINGER_UNKNOWN; return FP_FINGER_UNKNOWN;
if (i < 0 || i >= G_N_ELEMENTS (all_fingers)) i += FP_FINGER_FIRST;
if (i < FP_FINGER_FIRST || i > FP_FINGER_LAST)
return FP_FINGER_UNKNOWN; return FP_FINGER_UNKNOWN;
return all_fingers[i]; return i;
} }