controller: Emit signal when stopped

src/redshift-gtk/controller.py

@@ -37,8 +37,9 @@ class RedshiftController(GObject.GObject):
         'temperature-changed': (GObject.SIGNAL_RUN_FIRST, None, (int,)),
         'period-changed': (GObject.SIGNAL_RUN_FIRST, None, (str,)),
         'location-changed': (GObject.SIGNAL_RUN_FIRST, None, (float, float)),
-        'error-occured': (GObject.SIGNAL_RUN_FIRST, None, (str,))
-        }
+        'error-occured': (GObject.SIGNAL_RUN_FIRST, None, (str,)),
+        'stopped': (GObject.SIGNAL_RUN_FIRST, None, ()),
+    }
 
     def __init__(self, args):
         """Initialize controller and start child process.
@@ -159,6 +160,7 @@ class RedshiftController(GObject.GObject):
             self.emit('error-occured', self._errors)
 
         GLib.spawn_close_pid(self._process[0])
+        self.emit('stopped')
 
     def _child_key_change_cb(self, key, value):
         """Called when the child process reports a change of internal state."""

src/redshift-gtk/statusicon.py

@@ -152,6 +152,7 @@ class RedshiftStatusIcon(object):
             'temperature-changed', self.temperature_change_cb)
         self._controller.connect('location-changed', self.location_change_cb)
         self._controller.connect('error-occured', self.error_occured_cb)
+        self._controller.connect('stopped', self.controller_stopped_cb)
 
         # Set info box text
         self.change_inhibited(self._controller.inhibited)
@@ -278,6 +279,10 @@ class RedshiftStatusIcon(object):
         # Quit when the model dialog is closed
         sys.exit(-1)
 
+    def controller_stopped_cb(self, controller):
+        """Callback when controlled is stopped successfully."""
+        Gtk.main_quit()
+
     # Update interface
     def change_inhibited(self, inhibited):
         """Change interface to new inhibition status."""