--- a/cagou/core/menu.py	Sun Jun 24 22:02:30 2018 +0200
+++ b/cagou/core/menu.py	Sun Jun 24 22:08:16 2018 +0200
@@ -179,8 +179,10 @@
 
 
 class SideMenu(BoxLayout):
-    base_size_hint_close = (0, 1)
-    base_size_hint_open = (0.4, 1)
+    size_hint_close = (0, 1)
+    size_hint_open = (0.4, 1)
+    size_close = (100, 100)
+    size_open = (0, 0)
     bg_color = properties.ListProperty([0, 0, 0, 1])
     # callback will be called with arguments relevant to menu
     callback = properties.ObjectProperty()
@@ -195,14 +197,38 @@
         if self.cancel_cb is None:
             self.cancel_cb = self.onMenuCancelled
 
+    def _set_anim_kw(self, kw, size_hint, size):
+        """Set animation keywords
+
+        for each value of size_hint it is used if not None,
+        else size is used.
+        If one value of size is bigger than the respective one of Window
+        the one of Window is used
+        """
+        size_hint_x, size_hint_y = size_hint
+        width, height = size
+        if size_hint_x is not None:
+            kw['size_hint_x'] = size_hint_x
+        elif width is not None:
+            kw['width'] = min(width, Window.width)
+
+        if size_hint_y is not None:
+            kw['size_hint_y'] = size_hint_y
+        elif height is not None:
+            kw['height'] = min(height, Window.height)
+
     def show(self, caller_wid=None):
         Window.bind(on_keyboard=self.key_input)
         G.host.app.root.add_widget(self)
-        Animation(size_hint=self.base_size_hint_open, d=0.3, t='out_back').start(self)
+        kw = {'d': 0.3, 't': 'out_back'}
+        self._set_anim_kw(kw, self.size_hint_open, self.size_open)
+        Animation(**kw).start(self)
 
     def hide(self):
         Window.unbind(on_keyboard=self.key_input)
-        anim = Animation(size_hint=self.base_size_hint_close, d=0.2)
+        kw = {'d': 0.2}
+        self._set_anim_kw(kw, self.size_hint_close, self.size_close)
+        anim = Animation(**kw)
         anim.bind(on_complete=lambda anim, menu: self.parent.remove_widget(self))
         anim.start(self)
         if self.callback_on_close:
@@ -243,8 +269,8 @@
     transfer_txt = _(u"Beware! The file will be sent to your server and stay unencrypted there\nServer admin(s) can see the file, and they choose how, when and if it will be deleted")
     send_txt = _(u"The file will be sent unencrypted directly to your contact (without transiting by the server), except in some cases")
     items_layout = properties.ObjectProperty()
-    base_size_hint_close = (1, 0)
-    base_size_hint_open = (1, 0.5)
+    size_hint_close = (1, 0)
+    size_hint_open = (1, 0.5)
 
     def __init__(self, **kwargs):
         super(TransferMenu, self).__init__(**kwargs)
@@ -281,6 +307,10 @@
     layout = properties.ObjectProperty()
     instructions = properties.StringProperty(_(u"Please select entities"))
     filter_input = properties.ObjectProperty()
+    size_hint_close = (None, 1)
+    size_hint_open = (None, 1)
+    size_open = (dp(250), 100)
+    size_close = (0, 100)
 
     def __init__(self, **kwargs):
         super(EntitiesSelectorMenu, self).__init__(**kwargs)