--- a/sat_frontends/quick_frontend/quick_app.py	Sat Mar 09 16:33:31 2019 +0100
+++ b/sat_frontends/quick_frontend/quick_app.py	Sun Mar 10 18:02:42 2019 +0100
@@ -277,9 +277,13 @@
 class QuickApp(object):
     """This class contain the main methods needed for the frontend"""
 
-    MB_HANDLER = True  # Set to False if the frontend doesn't manage microblog
-    AVATARS_HANDLER = True  # set to False if avatars are not used
-    ENCRYPTION_HANDLERS = True  # set to False if encryption is handled separatly
+    MB_HANDLER = True  #: Set to False if the frontend doesn't manage microblog
+    AVATARS_HANDLER = True  #: set to False if avatars are not used
+    ENCRYPTION_HANDLERS = True  #: set to False if encryption is handled separatly
+    #: if True, QuickApp will call resync itself, on all widgets at the same time
+    #: if False, frontend must call resync itself when suitable (e.g. widget is being
+    #: visible)
+    AUTO_RESYNC = True
 
     def __init__(self, bridge_factory, xmlui, check_options=None, connect_bridge=True):
         """Create a frontend application
@@ -445,18 +449,20 @@
             or if connection has been lost and a reconnection is needed
         """
         if state:
-            # we are resynchronising
-            for w in self.widgets:
-                try:
-                    resync = w.resync
-                except AttributeError:
-                    pass
-                else:
-                    resync()
+            if self.AUTO_RESYNC:
+                # we are resynchronising all widgets
+                for w in self.widgets:
+                    try:
+                        resync = w.resync
+                    except AttributeError:
+                        pass
+                    else:
+                        resync()
             self._sync = state
         else:
             self._sync = state
-            # we've lost synchronisation
+            # we've lost synchronisation, all widgets must be notified
+            # note: this is always called independently of AUTO_RESYNC
             for w in self.widgets:
                 try:
                     w.sync = False