diff --git a/tryton/common/date_widget.py b/tryton/common/date_widget.py
index 688c40dc84..ba068ae2cd 100644
--- a/tryton/common/date_widget.py
+++ b/tryton/common/date_widget.py
@@ -179,6 +179,8 @@ class DateEntry(gtk.Entry):
         self.set_text(self.initial_value)
 
     def _on_key_press(self, editable, event):
+        if not self.get_editable():
+            return False
         if event.keyval in (gtk.keysyms.Tab, gtk.keysyms.Escape,
                 gtk.keysyms.Return, gtk.keysyms.KP_Enter):
             if self.mode_cmd:
diff --git a/tryton/gui/window/view_form/view/form_gtk/calendar.py b/tryton/gui/window/view_form/view/form_gtk/calendar.py
index 156bda5277..ab3deaaed5 100644
--- a/tryton/gui/window/view_form/view/form_gtk/calendar.py
+++ b/tryton/gui/window/view_form/view/form_gtk/calendar.py
@@ -57,6 +57,8 @@ class Calendar(WidgetInterface):
             self.widget.set_focus_chain([self.entry])
 
     def sig_key_press(self, widget, event):
+        if not self.entry.get_editable():
+            return False
         if event.keyval == gtk.keysyms.F2:
             self.cal_open(widget)
             return True
@@ -187,6 +189,8 @@ class DateTime(WidgetInterface):
             self.widget.set_focus_chain([self.entry])
 
     def sig_key_press(self, widget, event):
+        if not self.entry.get_editable():
+            return False
         if event.keyval == gtk.keysyms.F2:
             self.cal_open(widget)
             return True
diff --git a/tryton/gui/window/view_form/view/form_gtk/many2one.py b/tryton/gui/window/view_form/view/form_gtk/many2one.py
index c4a86b2c7c..f259aa929d 100644
--- a/tryton/gui/window/view_form/view/form_gtk/many2one.py
+++ b/tryton/gui/window/view_form/view/form_gtk/many2one.py
@@ -427,13 +427,14 @@ class Many2One(WidgetInterface):
         self.changed = True
 
     def sig_key_press(self, widget, event, *args):
-        if event.keyval == gtk.keysyms.F3:
+        editable = self.wid_text.get_editable()
+        if event.keyval == gtk.keysyms.F3 and editable:
             self.sig_new(widget, event)
             return True
         elif event.keyval == gtk.keysyms.F2:
             self.sig_edit(widget)
             return True
-        elif event.keyval in (gtk.keysyms.Tab, gtk.keysyms.Return):
+        elif event.keyval in (gtk.keysyms.Tab, gtk.keysyms.Return) and editable:
             return not self.sig_activate(widget, event, key_press=True)
         return False
 
diff --git a/tryton/gui/window/view_form/view/form_gtk/one2many.py b/tryton/gui/window/view_form/view/form_gtk/one2many.py
index 804f583305..5657b433bf 100644
--- a/tryton/gui/window/view_form/view/form_gtk/one2many.py
+++ b/tryton/gui/window/view_form/view/form_gtk/one2many.py
@@ -302,12 +302,14 @@ class Dialog(object):
 
     def on_keypress(self, widget, event):
         if self.attrs.get('add_remove') \
-                and event.keyval == gtk.keysyms.F3:
+                and event.keyval == gtk.keysyms.F3 \
+                and self.but_add.get_property('sensitive'):
             self._sig_add()
             return False
-        if (event.keyval in (gtk.keysyms.N, gtk.keysyms.n) \
+        if ((event.keyval in (gtk.keysyms.N, gtk.keysyms.n) \
                 and event.state & gtk.gdk.CONTROL_MASK) \
-                or event.keyval == gtk.keysyms.F3:
+                or event.keyval == gtk.keysyms.F3) \
+                and self.but_new.get_property('sensitive'):
             self._sig_new(widget)
             return False
         if event.keyval == gtk.keysyms.F2:
@@ -475,13 +477,15 @@ class One2Many(WidgetInterface):
 
     def on_keypress(self, widget, event):
         if self.attrs.get('add_remove') \
-                and event.keyval == gtk.keysyms.F3:
+                and event.keyval == gtk.keysyms.F3 \
+                and self.but_add.get_property('sensitive'):
             self._sig_add()
             return False
-        if (event.keyval == gtk.keysyms.N \
+        if ((event.keyval == gtk.keysyms.N \
                     and event.state & gtk.gdk.CONTROL_MASK \
                     and event.state & gtk.gdk.SHIFT_MASK) \
-                or event.keyval == gtk.keysyms.F3:
+                or event.keyval == gtk.keysyms.F3) \
+                and self.but_new.get_property('sensitive'):
             self._sig_new(widget)
             return False
         if event.keyval == gtk.keysyms.F2:
diff --git a/tryton/gui/window/view_form/view/form_gtk/reference.py b/tryton/gui/window/view_form/view/form_gtk/reference.py
index f6d58f1350..43baeb1dff 100644
--- a/tryton/gui/window/view_form/view/form_gtk/reference.py
+++ b/tryton/gui/window/view_form/view/form_gtk/reference.py
@@ -216,13 +216,14 @@ class Reference(WidgetInterface):
         dia.destroy()
 
     def sig_key_press(self, widget, event):
-        if event.keyval == gtk.keysyms.F3:
+        editable = self.wid_text.get_editable()
+        if event.keyval == gtk.keysyms.F3 and editable:
             self.sig_new(widget, event)
             return True
         elif event.keyval == gtk.keysyms.F2:
             self.sig_focus_out(widget, event)
             return True
-        elif event.keyval == gtk.keysyms.Tab:
+        elif event.keyval in (gtk.keysyms.Tab, gtk.keysyms.Return) and editable:
             if self._view.modelfield.get(self._view.model) or \
                     not self.wid_text.get_text():
                 return False