--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/frontends/primitivus/widget.py	Fri Jun 02 14:12:38 2023 +0200
@@ -0,0 +1,104 @@
+#!/usr/bin/env python3
+
+
+# Primitivus: a SAT frontend
+# Copyright (C) 2009-2021 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 libervia.backend.core import log as logging
+
+log = logging.getLogger(__name__)
+import urwid
+from urwid_satext import sat_widgets
+from libervia.frontends.primitivus.keys import action_key_map as a_key
+
+
+class PrimitivusWidget(urwid.WidgetWrap):
+    """Base widget for Primitivus"""
+
+    def __init__(self, w, title=""):
+        self._title = title
+        self._title_dynamic = None
+        self._original_widget = w
+        urwid.WidgetWrap.__init__(self, self._get_decoration(w))
+
+    @property
+    def title(self):
+        """Text shown in title bar of the widget"""
+
+        # profiles currently managed by frontend
+        try:
+            all_profiles = self.host.profiles
+        except AttributeError:
+            all_profiles = []
+
+        # profiles managed by the widget
+        try:
+            profiles = self.profiles
+        except AttributeError:
+            try:
+                profiles = [self.profile]
+            except AttributeError:
+                profiles = []
+
+        title_elts = []
+        if self._title:
+            title_elts.append(self._title)
+        if self._title_dynamic:
+            title_elts.append(self._title_dynamic)
+        if len(all_profiles) > 1 and profiles:
+            title_elts.append("[{}]".format(", ".join(profiles)))
+        return sat_widgets.SurroundedText(" ".join(title_elts))
+
+    @title.setter
+    def title(self, value):
+        self._title = value
+        if self.decoration_visible:
+            self.show_decoration()
+
+    @property
+    def title_dynamic(self):
+        """Dynamic part of title"""
+        return self._title_dynamic
+
+    @title_dynamic.setter
+    def title_dynamic(self, value):
+        self._title_dynamic = value
+        if self.decoration_visible:
+            self.show_decoration()
+
+    @property
+    def decoration_visible(self):
+        """True if the decoration is visible"""
+        return isinstance(self._w, sat_widgets.LabelLine)
+
+    def keypress(self, size, key):
+        if key == a_key["DECORATION_HIDE"]:  # user wants to (un)hide widget decoration
+            show = not self.decoration_visible
+            self.show_decoration(show)
+        else:
+            return super(PrimitivusWidget, self).keypress(size, key)
+
+    def _get_decoration(self, widget):
+        return sat_widgets.LabelLine(widget, self.title)
+
+    def show_decoration(self, show=True):
+        """Show/Hide the decoration around the window"""
+        self._w = (
+            self._get_decoration(self._original_widget) if show else self._original_widget
+        )
+
+    def get_menu(self):
+        raise NotImplementedError