i3 - improved tiling WM

Show degraded colors in case volume is muted with OSS

Patch status: merged

Patch by Baptiste Daroussin

To apply this patch, use:
curl http://cr.i3wm.org/patch/91/raw.patch | git am

b/src/print_volume.c

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@@ -177,6 +177,7 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
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 #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
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         char mixerpath[] = "/dev/mixer";
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         int mixfd, vol, devmask = 0;
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+        pbval = 1;
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         if ((mixfd = open(mixerpath, O_RDWR)) < 0)
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                 return;
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@@ -185,6 +186,11 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
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         if (ioctl(mixfd, MIXER_READ(0),&vol) == -1)
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                 return;
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+        if (((vol & 0x7f) == 0) && (((vol >> 8) & 0x7f) == 0)) {
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+                START_COLOR("color_degraded");
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+                pbval = 0;
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+        }
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+
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         const char *walk = fmt;
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         for (; *walk != '\0'; walk++) {
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                 if (*walk != '%') {