[modules/cmus] Add status callback

Inform the theme about the current playback status (start, stop, repeat,
shuffle).

see #23

bumblebee/modules/cmus.py

@@ -22,6 +22,9 @@ class Module(bumblebee.engine.Module):
         ]
         super(Module, self).__init__(engine, config, widgets)
         self._fmt = self.parameter("format", "{artist} - {title} {position}/{duration}")
+        self._status = None
+        self._shuffle = False
+        self._repeat = False
 
     def description(self):
         return string.Formatter().vformat(self._fmt, (), self._tags)
@@ -29,6 +32,17 @@ class Module(bumblebee.engine.Module):
     def update(self, widgets):
         self._load_song()
 
+    def state(self, widget):
+        if widget.name == "cmus.shuffle":
+            return "shuffle-on" if self._shuffle else "shuffle-off"
+        if widget.name == "cmus.repeat":
+            return "repeat-on" if self._repeat else "repeat-off"
+        if widget.name == "cmus.prev":
+            return "prev"
+        if widget.name == "cmus.next":
+            return "next"
+        return self._status
+
     def _load_song(self):
         info = ""
         try:

themes/icons/awesome-fonts.json

@@ -13,8 +13,10 @@
 		"stopped": { "prefix": "" },
 		"prev": { "prefix": "" },
 		"next": { "prefix": "" },
-		"shuffle": { "on": { "prefix": "" }, "off": { "prefix": "" } },
+		"shuffle-on": { "prefix": "" },
-		"repeat": { "on": { "prefix": "" }, "off": { "prefix": "" } }
+		"shuffle-off": { "prefix": "" },
+		"repeat-on": { "prefix": "" },
+		"repeat-off": { "prefix": "" }
 	},
 	"pasink": {
 		"muted": { "prefix": "" },