--- a/src/cagou.kv	Fri Jul 08 18:30:30 2016 +0200
+++ b/src/cagou.kv	Fri Jul 08 20:17:09 2016 +0200
@@ -16,3 +16,4 @@
 
 #:include profile_manager.kv
 #:include contact_list.kv
+#:include cagou_widget.kv

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cagou_widget.kv	Fri Jul 08 20:17:09 2016 +0200
@@ -0,0 +1,38 @@
+# Cagou: desktop/mobile frontend for Salut à Toi XMPP client
+# Copyright (C) 2016 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+<HeaderWidgetSelector>:
+    size_hint: 0.3, 1
+    Button:
+        text: "widget 1"
+        size_hint_y: None
+        height: 44
+        on_release: root.select('item1')
+    Button:
+        text: "widget 2"
+
+<CagouWidget>:
+    BoxLayout:
+        size_hint: 1, None
+        height: 30
+        Button:
+            text: "wid_XXX"
+            on_release: root.selector.open(self)
+            size_hint: None, 1
+            width: 60
+        TextInput:
+            multiline: False

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cagou_widget.py	Fri Jul 08 20:17:09 2016 +0200
@@ -0,0 +1,35 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Cagou: desktop/mobile frontend for Salut à Toi XMPP client
+# Copyright (C) 2016 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+from sat.core import log as logging
+log = logging.getLogger(__name__)
+from kivy.uix.boxlayout import BoxLayout
+from kivy.uix.dropdown import DropDown
+
+
+class HeaderWidgetSelector(DropDown):
+    pass
+
+
+class CagouWidget(BoxLayout):
+
+    def __init__(self):
+        BoxLayout.__init__(self, orientation="vertical")
+        self.selector = HeaderWidgetSelector()

--- a/src/contact_list.py	Fri Jul 08 18:30:30 2016 +0200
+++ b/src/contact_list.py	Fri Jul 08 20:17:09 2016 +0200
@@ -25,6 +25,7 @@
 from kivy.uix.listview import ListView
 from kivy.adapters.listadapter import ListAdapter
 from kivy import properties
+from cagou_widget import CagouWidget
 import image
 
 
@@ -40,11 +41,11 @@
         BoxLayout.__init__(self, **kwargs)
 
 
-class ContactList(QuickContactList, BoxLayout):
+class ContactList(QuickContactList, CagouWidget):
 
     def __init__(self, host, target, profiles):
         QuickContactList.__init__(self, host, profiles)
-        BoxLayout.__init__(self, orientation="vertical")
+        CagouWidget.__init__(self)
         self.adapter = ListAdapter(data={},
                                    cls=ContactItem,
                                    args_converter=self.contactDataConverter,