Add onActivate and onDeactivate signals

dbus.xml

@@ -1,4 +1,5 @@
 <interface name="com.soutade.GenericMonitor">
+  <!-- Functions -->
   <method name="notify">
     <arg type="s" direction="in" />
   </method>
@@ -8,6 +9,7 @@
   <method name="deleteGroups">
     <arg type="s" direction="in" />
   </method>
+  <!-- Click events -->
   <signal name="onClick">
     <arg type="s" direction="out" />
   </signal>
@@ -20,4 +22,9 @@
   <signal name="onRightDblClick">
     <arg type="s" direction="out" />
   </signal>
+  <!-- Activate/Deactivate signals -->
+  <signal name="onActivate">
+  </signal>
+  <signal name="onDectivate">
+  </signal>
 </interface>