Quick Frontend (quick_widgets): added on_existing_widget in getOrCreateWidget (see docstring for more infos) + use of constants

frontends/src/constants.py

@@ -62,6 +62,14 @@ class Const(constants.Const):
     # Roster
     GROUP_NOT_IN_ROSTER = D_('Not in roster')
 
-    #Chats
+    # Chats
     CHAT_ONE2ONE = 'one2one'
     CHAT_GROUP = 'group'
+
+    # Widgets management
+    # FIXME: should be in quick_frontend.constant, but Libervia doesn't inherit from it
+    WIDGET_NEW = 'NEW'
+    WIDGET_KEEP = 'KEEP'
+    WIDGET_RAISE = 'RAISE'
+    WIDGET_RECREATE = 'RECREATE'
+