From be71bf80d290c98c0f6a66d3dcab28515b4ea371 Mon Sep 17 00:00:00 2001
From: Lucas Fryzek <lucas.fryzek@fryzekconcepts.com>
Date: Fri, 4 Oct 2024 20:53:17 +0100
Subject: Initial commit

---
 src/__init__.py          |   0
 src/chat.py              | 120 ++++++++++++++
 src/config.py            | 140 ++++++++++++++++
 src/gtk/chat.ui          |  67 ++++++++
 src/gtk/help-overlay.ui  |  29 ++++
 src/gtk/message.ui       |  63 ++++++++
 src/gtk/preferences.ui   |  83 ++++++++++
 src/main.py              | 338 +++++++++++++++++++++++++++++++++++++++
 src/meson.build          |  42 +++++
 src/message.py           |  48 ++++++
 src/preferences.py       |  90 +++++++++++
 src/relay/color.py       | 198 +++++++++++++++++++++++
 src/relay/network.py     | 403 +++++++++++++++++++++++++++++++++++++++++++++++
 src/relay/protocol.py    | 362 ++++++++++++++++++++++++++++++++++++++++++
 src/style.css            |   9 ++
 src/weegtk.gresource.xml |  11 ++
 src/weegtk.in            |  46 ++++++
 src/window.py            |  70 ++++++++
 src/window.ui            |  87 ++++++++++
 19 files changed, 2206 insertions(+)
 create mode 100644 src/__init__.py
 create mode 100644 src/chat.py
 create mode 100644 src/config.py
 create mode 100644 src/gtk/chat.ui
 create mode 100644 src/gtk/help-overlay.ui
 create mode 100644 src/gtk/message.ui
 create mode 100644 src/gtk/preferences.ui
 create mode 100644 src/main.py
 create mode 100644 src/meson.build
 create mode 100644 src/message.py
 create mode 100644 src/preferences.py
 create mode 100644 src/relay/color.py
 create mode 100644 src/relay/network.py
 create mode 100644 src/relay/protocol.py
 create mode 100644 src/style.css
 create mode 100644 src/weegtk.gresource.xml
 create mode 100755 src/weegtk.in
 create mode 100644 src/window.py
 create mode 100644 src/window.ui

(limited to 'src')

diff --git a/src/__init__.py b/src/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/chat.py b/src/chat.py
new file mode 100644
index 0000000..f876854
--- /dev/null
+++ b/src/chat.py
@@ -0,0 +1,120 @@
+# window.py
+#
+# Copyright 2024 Lucas Fryzek
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+from gi.repository import Adw
+from gi.repository import Gtk
+from gi.repository import Gio
+from gi.repository import GObject
+
+from .message import WeegtkMessage
+from .color import Color
+from weegtk import config
+
+import json
+
+@Gtk.Template(resource_path='/com/fryzekconcepts/weegtk/gtk/chat.ui')
+class WeegtkChat(Adw.Bin):
+    __gtype_name__ = 'WeegtkChat'
+
+    __gsignals__ = {
+        "buffer_input" : (
+            GObject.SignalFlags.RUN_FIRST,
+            None,
+            (str, str)
+        )
+    }
+
+    window = Gtk.Template.Child()
+    messages = Gtk.Template.Child()
+    text_entry = Gtk.Template.Child()
+
+    def __init__(self, data=None, **kwargs):
+        super().__init__(**kwargs)
+
+        self.data = data or {}
+
+        self.model = Gtk.StringList()
+        self.select = Gtk.NoSelection(model=self.model)
+
+        self.factory = Gtk.SignalListItemFactory()
+        self.factory.connect("setup", self.setup_list_item)
+        self.factory.connect("bind", self.bind_list_item)
+
+        self.messages.set_model(self.select)
+        self.messages.set_factory(self.factory)
+
+        self.color = Color(config.color_options(), False)
+
+    def scroll_bottom(self, *args):
+        n_items = self.model.get_n_items()
+        self.messages.scroll_to(n_items - 1, Gtk.ListScrollFlags.FOCUS)
+
+    def setup_list_item(self, factory, list_item, *user_data):
+        message = WeegtkMessage()
+        list_item.set_child(message)
+        pass
+
+    def bind_list_item(self, factory, list_item, *user_data):
+        text = list_item.get_item().get_string()
+        data = json.loads(text)
+        message = list_item.get_child()
+        message.set_contents(data["username"], data["text"])
+        pass
+
+    def is_chat(self):
+        buf_type = self.data['local_variables']['type'] if 'type' in self.data['local_variables'] else None
+        return buf_type is not None and (buf_type == "private" or buf_type == "channel")
+
+    def pointer(self):
+        """Return pointer on buffer."""
+        return self.data.get('__path', [''])[0]
+
+    def parse_out_colors(self, text):
+        clean_text = self.color.convert(text)
+        return clean_text
+
+    def display(self, time, prefix, text, forcecolor=None):
+        # TODO using JSON here seems a bit ineffcient
+        # See if its possible to make a model that uses
+        # our own custom struct
+        user = self.parse_out_colors(prefix)
+        msg = self.parse_out_colors(text)
+        count = self.model.get_n_items()
+
+        if count != 0:
+            last = self.model.get_string(count - 1)
+            last_data = json.loads(last)
+            if last_data["username"] == user:
+                last_data["text"].append(msg)
+                self.model.splice(count - 1, 1, [json.dumps(last_data)])
+                return
+
+        data = {
+            "username": user,
+            "text": [msg]
+        }
+        self.model.append(json.dumps(data))
+        self.scroll_bottom()
+
+    @Gtk.Template.Callback()
+    def entry_activate(self, *args):
+        entry_buffer = self.text_entry.get_buffer()
+        text = entry_buffer.get_text()
+        entry_buffer.set_text("", 0)
+        self.emit("buffer_input", self.data['full_name'], text)
+        
diff --git a/src/config.py b/src/config.py
new file mode 100644
index 0000000..ee9d611
--- /dev/null
+++ b/src/config.py
@@ -0,0 +1,140 @@
+# main.py
+#
+# Copyright 2024 Lucas Fryzek
+# Based on code from QWeeChat
+# Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+"""Configuration for Weegtk."""
+
+import configparser
+import os
+
+from gi.repository import GLib
+
+from pathlib import Path
+
+CONFIG_DIR = f"{GLib.get_user_config_dir()}/weegtk"
+CONFIG_FILENAME = f"{CONFIG_DIR}/weegtk.conf"
+
+CONFIG_DEFAULT_RELAY_LINES = 50
+
+CONFIG_DEFAULT_SECTIONS = ('relay', 'look', 'color', 'ssh')
+CONFIG_DEFAULT_OPTIONS = (('relay.hostname', ''),
+                          ('relay.port', ''),
+                          ('relay.ssl', 'off'),
+                          ('relay.password', ''),
+                          ('relay.autoconnect', 'off'),
+                          ('relay.lines', str(CONFIG_DEFAULT_RELAY_LINES)),
+                          ('ssh.host', ''),
+                          ('ssh.port', ''),
+                          ('ssh.username', ''),
+                          ('ssh.key', ''),
+                          ('look.debug', 'off'),
+                          ('look.statusbar', 'off'))
+
+# Default colors for WeeChat color options (option name, #rgb value)
+CONFIG_DEFAULT_COLOR_OPTIONS = (
+    ('separator', '#000066'),  # 0
+    ('chat', '#000000'),  # 1
+    ('chat_time', '#999999'),  # 2
+    ('chat_time_delimiters', '#000000'),  # 3
+    ('chat_prefix_error', '#FF6633'),  # 4
+    ('chat_prefix_network', '#990099'),  # 5
+    ('chat_prefix_action', '#000000'),  # 6
+    ('chat_prefix_join', '#00CC00'),  # 7
+    ('chat_prefix_quit', '#CC0000'),  # 8
+    ('chat_prefix_more', '#CC00FF'),  # 9
+    ('chat_prefix_suffix', '#330099'),  # 10
+    ('chat_buffer', '#000000'),  # 11
+    ('chat_server', '#000000'),  # 12
+    ('chat_channel', '#000000'),  # 13
+    ('chat_nick', '#000000'),  # 14
+    ('chat_nick_self', '*#000000'),  # 15
+    ('chat_nick_other', '#000000'),  # 16
+    ('', '#000000'),  # 17 (nick1 -- obsolete)
+    ('', '#000000'),  # 18 (nick2 -- obsolete)
+    ('', '#000000'),  # 19 (nick3 -- obsolete)
+    ('', '#000000'),  # 20 (nick4 -- obsolete)
+    ('', '#000000'),  # 21 (nick5 -- obsolete)
+    ('', '#000000'),  # 22 (nick6 -- obsolete)
+    ('', '#000000'),  # 23 (nick7 -- obsolete)
+    ('', '#000000'),  # 24 (nick8 -- obsolete)
+    ('', '#000000'),  # 25 (nick9 -- obsolete)
+    ('', '#000000'),  # 26 (nick10 -- obsolete)
+    ('chat_host', '#666666'),  # 27
+    ('chat_delimiters', '#9999FF'),  # 28
+    ('chat_highlight', '#3399CC'),  # 29
+    ('chat_read_marker', '#000000'),  # 30
+    ('chat_text_found', '#000000'),  # 31
+    ('chat_value', '#000000'),  # 32
+    ('chat_prefix_buffer', '#000000'),  # 33
+    ('chat_tags', '#000000'),  # 34
+    ('chat_inactive_window', '#000000'),  # 35
+    ('chat_inactive_buffer', '#000000'),  # 36
+    ('chat_prefix_buffer_inactive_buffer', '#000000'),  # 37
+    ('chat_nick_offline', '#000000'),  # 38
+    ('chat_nick_offline_highlight', '#000000'),  # 39
+    ('chat_nick_prefix', '#000000'),  # 40
+    ('chat_nick_suffix', '#000000'),  # 41
+    ('emphasis', '#000000'),  # 42
+    ('chat_day_change', '#000000'),  # 43
+)
+config_options = {"color": []}
+
+
+def read():
+    """Read config file."""
+    global config_options
+    config = configparser.RawConfigParser()
+    if os.path.isfile(CONFIG_FILENAME):
+        config.read(CONFIG_FILENAME)
+
+    # add missing sections/options
+    for section in CONFIG_DEFAULT_SECTIONS:
+        if not config.has_section(section):
+            config.add_section(section)
+    for option in reversed(CONFIG_DEFAULT_OPTIONS):
+        section, name = option[0].split('.', 1)
+        if not config.has_option(section, name):
+            config.set(section, name, option[1])
+    section = 'color'
+    for option in reversed(CONFIG_DEFAULT_COLOR_OPTIONS):
+        if option[0] and not config.has_option(section, option[0]):
+            config.set(section, option[0], option[1])
+
+    # build list of color options
+    config_options = {"color": []}
+    for option in CONFIG_DEFAULT_COLOR_OPTIONS:
+        if option[0]:
+            config_options["color"].append(config.get('color', option[0]))
+        else:
+            config_options["color"].append('#000000')
+
+    return config
+
+
+def write(config):
+    """Write config file."""
+    Path(CONFIG_DIR).mkdir(mode=0o0700, parents=True, exist_ok=True)
+    with open(CONFIG_FILENAME, 'w') as cfg:
+        config.write(cfg)
+
+
+def color_options():
+    """Return color options."""
+    global config_options
+    return config_options["color"]
diff --git a/src/gtk/chat.ui b/src/gtk/chat.ui
new file mode 100644
index 0000000..23477ad
--- /dev/null
+++ b/src/gtk/chat.ui
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk" version="4.0"/>
+  <requires lib="libadwaita" version="1.0"/>
+  <template class="WeegtkChat" parent="AdwBin">
+    <style>
+      <class name="view"/>
+    </style>
+    <property name="child">
+      <object class="AdwToolbarView">
+        <child type="top">
+          <object class="AdwHeaderBar">
+            <property name="show-title">True</property>
+          </object>
+        </child>
+        <property name="content">
+              <object class="GtkBox">
+                <property name="orientation">vertical</property>
+                <child>
+                  <object class="GtkScrolledWindow" id="window">
+                    <property name="vexpand">True</property>
+                    <property name="hscrollbar_policy">3</property>
+                    <child>
+                      <object class="AdwClampScrollable">
+                        <property name="maximum-size">750</property>
+                        <property name="tightening-threshold">550</property>
+                        <property name="child">
+                          <object class="GtkListView" id="messages">
+                            <property name="orientation">1</property>
+                            <style>
+                              <class name="navigation-sidebar"/>
+                            </style>
+                          </object>
+                        </property>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+                <child>
+                  <object class="AdwClamp">
+                    <property name="maximum-size">750</property>
+                    <property name="tightening-threshold">550</property>
+                    <property name="child">
+                      <object class="GtkBox">
+                        <property name="margin-top">5</property>
+                        <property name="margin-bottom">5</property>
+                        <child>
+                          <object class="GtkEntry" id="text_entry">
+                            <property name="halign">fill</property>
+                            <property name="hexpand">True</property>
+                            <property name="hexpand-set">True</property>
+                            <property name="width-request">50</property>
+                            <property name="margin-start">5</property>
+                            <property name="margin-end">5</property>
+                            <signal name="activate" handler="entry_activate"/>
+                          </object>
+                        </child>
+                      </object>
+                    </property>
+                  </object>
+                </child>
+              </object>
+            </property>
+          </object>
+    </property>
+  </template>
+</interface>
diff --git a/src/gtk/help-overlay.ui b/src/gtk/help-overlay.ui
new file mode 100644
index 0000000..ef12f02
--- /dev/null
+++ b/src/gtk/help-overlay.ui
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <object class="GtkShortcutsWindow" id="help_overlay">
+    <property name="modal">True</property>
+    <child>
+      <object class="GtkShortcutsSection">
+        <property name="section-name">shortcuts</property>
+        <property name="max-height">10</property>
+        <child>
+          <object class="GtkShortcutsGroup">
+            <property name="title" translatable="yes" context="shortcut window">General</property>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="title" translatable="yes" context="shortcut window">Show Shortcuts</property>
+                <property name="action-name">win.show-help-overlay</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="title" translatable="yes" context="shortcut window">Quit</property>
+                <property name="action-name">app.quit</property>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/src/gtk/message.ui b/src/gtk/message.ui
new file mode 100644
index 0000000..dca0237
--- /dev/null
+++ b/src/gtk/message.ui
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk" version="4.0"/>
+  <template class="WeegtkMessage" parent="GtkBox">
+    <property name="orientation">horizontal</property>
+    <property name="valign">start</property>
+    <property name="halign">start</property>
+    <!-- <property name="margin-top">2</property> -->
+    <!-- <property name="margin-bottom">2</property> -->
+    <style>
+      <class name="message"/>
+    </style>
+    <child>
+      <object class="AdwAvatar" id="avatar">
+        <property name="size">32</property>
+        <property name="text" translatable="true">Username</property>
+        <property name="show-initials">true</property>
+        <property name="margin-start">10</property>
+        <property name="margin-end">10</property>
+        <property name="valign">start</property>
+      </object>
+    </child>
+    <child>
+      <object class="GtkBox" id="MessageText">
+        <property name="orientation">1</property>
+        <property name="valign">1</property>
+        <property name="halign">1</property>
+        <child>
+          <object class="GtkLabel" id="username">
+            <property name="label" translatable="true">Username</property>
+            <property name="halign">1</property>
+            <property name="selectable">true</property>
+            <style>
+              <class name="username"/>
+            </style>
+          </object>
+        </child>
+        <child>
+          <object class="GtkBox" id="message_list">
+            <property name="orientation">1</property>
+            <property name="valign">1</property>
+            <property name="halign">1</property>
+            <!-- <child> -->
+            <!--   <object class="GtkLabel" id="message"> -->
+            <!--     <property name="label" translatable="true">This is the the message that some user sent</property> -->
+            <!--     <property name="halign">1</property> -->
+            <!--     <property name="selectable">true</property> -->
+            <!--     <property name="wrap">true</property> -->
+            <!--     <property name="halign">0</property> -->
+            <!--     <property name="hexpand">true</property> -->
+            <!--     <property name="hexpand-set">true</property> -->
+            <!--     <property name="xalign">0</property> -->
+            <!--     <style> -->
+            <!--       <class name="message"/> -->
+            <!--     </style> -->
+            <!--   </object> -->
+            <!-- </child> -->
+          </object>
+        </child>
+      </object>
+    </child>
+  </template>
+</interface>
diff --git a/src/gtk/preferences.ui b/src/gtk/preferences.ui
new file mode 100644
index 0000000..5823d2f
--- /dev/null
+++ b/src/gtk/preferences.ui
@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk" version="4.0"/>
+  <requires lib="libadwaita" version="1.0"/>
+  <template class="WeegtkPreferences" parent="AdwPreferencesDialog">
+    <property name="content-height">1000</property>
+    <property name="search-enabled">True</property>
+    <signal name="closed" handler="preferences_closed"/>
+    <child>
+      <object class="AdwPreferencesPage">
+        <property name="icon_name">preferences-window-layout-symbolic</property>
+        <property name="title">Settings</property>
+        <property name="use-underline">True</property>
+        <child>
+          <object class="AdwPreferencesGroup">
+            <property name="title" translatable="yes">Connection</property>
+            <child>
+              <object class="AdwEntryRow" id="hostname">
+                <property name="title" translatable="yes">Hostname</property>
+                <property name="use_underline">True</property>
+              </object>
+            </child>
+            <child>
+              <object class="AdwEntryRow" id="port">
+                <property name="title" translatable="yes">Port</property>
+                <property name="use_underline">True</property>
+              </object>
+            </child>
+            <child>
+              <object class="AdwPasswordEntryRow" id="password">
+                <property name="title" translatable="yes">Password</property>
+              </object>
+            </child>
+            <child>
+              <object class="AdwEntryRow" id="ssh_host">
+                <property name="title" translatable="yes">SSH host</property>
+                <property name="use_underline">True</property>
+              </object>
+            </child>
+            <child>
+              <object class="AdwEntryRow" id="ssh_port">
+                <property name="title" translatable="yes">SSH port</property>
+                <property name="use_underline">True</property>
+              </object>
+            </child>
+            <child>
+              <object class="AdwEntryRow" id="ssh_username">
+                <property name="title" translatable="yes">SSH username</property>
+                <property name="use_underline">True</property>
+              </object>
+            </child>
+            <child>
+              <object class="AdwActionRow">
+                <property name="title" translatable="yes">SSH key</property>
+                <child>
+                  <object class="GtkButton">
+                    <property name="valign">center</property>
+                    <property name="action-name">ssh_key.open</property>
+                    <child>
+                      <object class="GtkBox">
+                        <property name="spacing">6</property>
+                        <child>
+                          <object class="GtkImage">
+                            <property name="icon-name">document-open-symbolic</property>
+                          </object>
+                        </child>
+                        <child>
+                          <object class="GtkLabel" id="ssh_key_label">
+                            <property name="ellipsize">middle</property>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                  </object>
+                </child>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child>
+  </template>
+</interface>
diff --git a/src/main.py b/src/main.py
new file mode 100644
index 0000000..8997ab5
--- /dev/null
+++ b/src/main.py
@@ -0,0 +1,338 @@
+# main.py
+#
+# Copyright 2024 Lucas Fryzek
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+import sys
+import os
+import gi
+
+gi.require_version('Gtk', '4.0')
+gi.require_version('Adw', '1')
+
+from gi.repository import Gtk, Gio, Adw
+from .window import WeegtkWindow
+
+from .network import Network
+from weegtk import protocol
+from weegtk import config
+from .chat import WeegtkChat
+from .preferences import WeegtkPreferences
+
+class WeegtkApplication(Adw.Application):
+    """The main application singleton class."""
+
+    def __init__(self):
+        super().__init__(application_id='com.fryzekconcepts.weegtk',
+                         flags=Gio.ApplicationFlags.DEFAULT_FLAGS)
+        self.create_action('quit', lambda *_: self.quit(), ['<primary>q'])
+        self.create_action('about', self.on_about_action)
+        self.create_action('preferences', self.on_preferences_action)
+
+        self.network = Network()
+        self.network.connect("status_changed", self._network_status_changed)
+        self.network.connect("message_from_weechat", self._network_weechat_msg)
+
+        conf = config.read()
+        #self.network.connect_weechat("localhost", "9001", False, relay_pw, None, "")
+        self.network.connect_weechat_ssh(conf["ssh"]["host"],
+                                         conf["ssh"]["port"],
+                                         conf["ssh"]["username"],
+                                         conf["ssh"]["key"],
+                                         conf["relay"]["hostname"],
+                                         conf["relay"]["port"],
+                                         conf["relay"]["password"])
+
+        self.buffers = []
+
+    def _network_status_changed(self, source_object, status, extra):
+        """Called when the network status has changed."""
+        # TODO handle this
+        #if self.config.getboolean('look', 'statusbar'):
+        #    self.statusBar().showMessage(status)
+        #self.network.debug_print(0, '', status, forcecolor='#0000AA')
+        #self.network_status_set(status)
+        print(f"Status is {status}")
+
+    def _network_weechat_msg(self, source_object, message):
+        """Called when a message is received from WeeChat."""
+        #print(f"Message {message}")
+        try:
+            proto = protocol.Protocol()
+            message = proto.decode(message.get_data())
+            # TODO figure this out
+            #if message.uncompressed:
+            #    self.network.debug_print(
+            #        0, '==>',
+            #        'message uncompressed (%d bytes):\n%s'
+            #        % (message.size_uncompressed,
+            #           protocol.hex_and_ascii(message.uncompressed, 20)),
+            #        forcecolor='#008800')
+            #self.network.debug_print(0, '', 'Message: %s' % message)
+            #print(f"parsed message is f{message}")
+            self.parse_message(message)
+        except:
+            print('Error while decoding message from WeeChat:\n%s'
+                  % traceback.format_exc())
+            self.net.disconnect_weechat()
+
+    def do_activate(self):
+        """Called when the application is activated.
+
+        We raise the application's main window, creating it if
+        necessary.
+        """
+        win = self.props.active_window
+        if not win:
+            win = WeegtkWindow(application=self)
+        win.present()
+
+    def on_about_action(self, *args):
+        """Callback for the app.about action."""
+        about = Adw.AboutDialog(application_name='weegtk',
+                                application_icon='com.fryzekconcepts.weegtk',
+                                developer_name='Lucas Fryzek',
+                                version='0.1.0',
+                                developers=['Lucas Fryzek <lucas.fryzek@fryzekconcepts.com>'],
+                                copyright='© 2024 Lucas Fryzek')
+        # Translators: Replace "translator-credits" with your name/username, and optionally an email or URL.
+        about.set_translator_credits(_('translator-credits'))
+        about.add_credit_section("QWeechat", ["Sébastien Helleu <flashcode@flashtux.org>"])
+        about.present(self.props.active_window)
+
+    def on_preferences_action(self, widget, _):
+        """Callback for the app.preferences action."""
+        pref = WeegtkPreferences()
+        pref.present(self.props.active_window)
+
+    def create_action(self, name, callback, shortcuts=None):
+        """Add an application action.
+
+        Args:
+            name: the name of the action
+            callback: the function to be called when the action is
+              activated
+            shortcuts: an optional list of accelerators
+        """
+        action = Gio.SimpleAction.new(name, None)
+        action.connect("activate", callback)
+        self.add_action(action)
+        if shortcuts:
+            self.set_accels_for_action(f"app.{name}", shortcuts)
+
+    def _parse_handshake(self, message):
+        """Parse a WeeChat message with handshake response."""
+        for obj in message.objects:
+            if obj.objtype != 'htb':
+                continue
+            self.network.init_with_handshake(obj.value)
+            break
+
+    def _parse_listbuffers(self, message):
+        """Parse a WeeChat message with list of buffers."""
+        # TODO handle gui for this
+        for obj in message.objects:
+            if obj.objtype != 'hda' or obj.value['path'][-1] != 'buffer':
+                continue
+            #self.list_buffers.clear()
+            #while self.stacked_buffers.count() > 0:
+            #    buf = self.stacked_buffers.widget(0)
+            #    self.stacked_buffers.removeWidget(buf)
+            self.buffers = []
+            for item in obj.value['items']:
+                buf = self.create_buffer(item)
+                self.insert_buffer(len(self.buffers), buf)
+            #self.list_buffers.setCurrentRow(0)
+            #self.buffers[0].widget.input.setFocus()
+
+    def _parse_line(self, message):
+        """Parse a WeeChat message with a buffer line."""
+        # TODO implement text for chats
+        for obj in message.objects:
+            lines = []
+            if obj.objtype != 'hda' or obj.value['path'][-1] != 'line_data':
+                continue
+            for item in obj.value['items']:
+                if message.msgid == 'listlines':
+                    ptrbuf = item['__path'][0]
+                else:
+                    ptrbuf = item['buffer']
+                index = [i for i, b in enumerate(self.buffers)
+                         if b.pointer() == ptrbuf]
+                if index:
+                    lines.append(
+                        (index[0],
+                         (item['date'], item['prefix'],
+                          item['message']))
+                    )
+            if message.msgid == 'listlines':
+                lines.reverse()
+            for line in lines:
+                #print(line)
+                self.buffers[line[0]].display(*line[1])
+
+    def _parse_nicklist(self, message):
+        """Parse a WeeChat message with a buffer nicklist."""
+        # TODO implement nicklist for chat
+        # buffer_refresh = {}
+        # for obj in message.objects:
+        #     if obj.objtype != 'hda' or \
+        #        obj.value['path'][-1] != 'nicklist_item':
+        #         continue
+        #     group = '__root'
+        #     for item in obj.value['items']:
+        #         index = [i for i, b in enumerate(self.buffers)
+        #                  if b.pointer() == item['__path'][0]]
+        #         if index:
+        #             if not index[0] in buffer_refresh:
+        #                 self.buffers[index[0]].nicklist = {}
+        #             buffer_refresh[index[0]] = True
+        #             if item['group']:
+        #                 group = item['name']
+        #             self.buffers[index[0]].nicklist_add_item(
+        #                 group, item['group'], item['prefix'], item['name'],
+        #                 item['visible'])
+        # for index in buffer_refresh:
+        #     self.buffers[index].nicklist_refresh()
+
+    def _parse_nicklist_diff(self, message):
+        """Parse a WeeChat message with a buffer nicklist diff."""
+        buffer_refresh = {}
+        for obj in message.objects:
+            if obj.objtype != 'hda' or \
+               obj.value['path'][-1] != 'nicklist_item':
+                continue
+            group = '__root'
+            for item in obj.value['items']:
+                index = [i for i, b in enumerate(self.buffers)
+                         if b.pointer() == item['__path'][0]]
+                if not index:
+                    continue
+                buffer_refresh[index[0]] = True
+                if item['_diff'] == ord('^'):
+                    group = item['name']
+                elif item['_diff'] == ord('+'):
+                    self.buffers[index[0]].nicklist_add_item(
+                        group, item['group'], item['prefix'], item['name'],
+                        item['visible'])
+                elif item['_diff'] == ord('-'):
+                    self.buffers[index[0]].nicklist_remove_item(
+                        group, item['group'], item['name'])
+                elif item['_diff'] == ord('*'):
+                    self.buffers[index[0]].nicklist_update_item(
+                        group, item['group'], item['prefix'], item['name'],
+                        item['visible'])
+        for index in buffer_refresh:
+            self.buffers[index].nicklist_refresh()
+
+    def _parse_buffer_opened(self, message):
+        """Parse a WeeChat message with a new buffer (opened)."""
+        for obj in message.objects:
+            if obj.objtype != 'hda' or obj.value['path'][-1] != 'buffer':
+                continue
+            for item in obj.value['items']:
+                buf = self.create_buffer(item)
+                index = self.find_buffer_index_for_insert(item['next_buffer'])
+                self.insert_buffer(index, buf)
+
+    def _parse_buffer(self, message):
+        """Parse a WeeChat message with a buffer event
+        (anything except a new buffer).
+        """
+        for obj in message.objects:
+            if obj.objtype != 'hda' or obj.value['path'][-1] != 'buffer':
+                continue
+            for item in obj.value['items']:
+                index = [i for i, b in enumerate(self.buffers)
+                         if b.pointer() == item['__path'][0]]
+                if not index:
+                    continue
+                index = index[0]
+                if message.msgid == '_buffer_type_changed':
+                    self.buffers[index].data['type'] = item['type']
+                elif message.msgid in ('_buffer_moved', '_buffer_merged',
+                                       '_buffer_unmerged'):
+                    buf = self.buffers[index]
+                    buf.data['number'] = item['number']
+                    self.remove_buffer(index)
+                    index2 = self.find_buffer_index_for_insert(
+                        item['next_buffer'])
+                    self.insert_buffer(index2, buf)
+                elif message.msgid == '_buffer_renamed':
+                    self.buffers[index].data['full_name'] = item['full_name']
+                    self.buffers[index].data['short_name'] = item['short_name']
+                elif message.msgid == '_buffer_title_changed':
+                    self.buffers[index].data['title'] = item['title']
+                    self.buffers[index].update_title()
+                elif message.msgid == '_buffer_cleared':
+                    self.buffers[index].widget.chat.clear()
+                elif message.msgid.startswith('_buffer_localvar_'):
+                    self.buffers[index].data['local_variables'] = \
+                        item['local_variables']
+                    self.buffers[index].update_prompt()
+                elif message.msgid == '_buffer_closing':
+                    self.remove_buffer(index)
+
+    def parse_message(self, message):
+        """Parse a WeeChat message."""
+        if message.msgid.startswith('debug'):
+            self.network.debug_print(0, '', '(debug message, ignored)')
+        elif message.msgid == 'handshake':
+            self._parse_handshake(message)
+        elif message.msgid == 'listbuffers':
+            self._parse_listbuffers(message)
+        elif message.msgid in ('listlines', '_buffer_line_added'):
+            self._parse_line(message)
+        elif message.msgid in ('_nicklist', 'nicklist'):
+            self._parse_nicklist(message)
+        elif message.msgid == '_nicklist_diff':
+            self._parse_nicklist_diff(message)
+        elif message.msgid == '_buffer_opened':
+            self._parse_buffer_opened(message)
+        elif message.msgid.startswith('_buffer_'):
+            self._parse_buffer(message)
+        elif message.msgid == '_upgrade':
+            self.network.desync_weechat()
+        elif message.msgid == '_upgrade_ended':
+            self.network.sync_weechat()
+        else:
+            print(f"Unknown message with id {message.msgid}")
+
+    def create_buffer(self, item):
+        """Create a new buffer."""
+        buf = WeegtkChat(data=item)
+        buf.connect("buffer_input", self.buffer_input)
+        return buf
+
+    def insert_buffer(self, index, buf):
+        """Insert a buffer in list."""
+        self.buffers.insert(index, buf)
+        buf_name = buf.data['short_name']
+
+        # Only make chats visible on main screen
+        if buf.is_chat():
+            self.props.active_window.stack.add_titled(buf, name=buf_name, title=buf_name)
+
+    def buffer_input(self, source_object, full_name, text):
+        if self.network.is_connected():
+            message = f"input {full_name} {text}\n"
+            self.network.send_to_weechat(message)
+
+def main(version):
+    """The application's entry point."""
+    app = WeegtkApplication()
+    return app.run(sys.argv)
diff --git a/src/meson.build b/src/meson.build
new file mode 100644
index 0000000..3225adc
--- /dev/null
+++ b/src/meson.build
@@ -0,0 +1,42 @@
+pkgdatadir = get_option('prefix') / get_option('datadir') / meson.project_name()
+moduledir = pkgdatadir / 'weegtk'
+gnome = import('gnome')
+
+gnome.compile_resources('weegtk',
+  'weegtk.gresource.xml',
+  gresource_bundle: true,
+  install: true,
+  install_dir: pkgdatadir,
+)
+
+python = import('python')
+
+conf = configuration_data()
+conf.set('PYTHON', python.find_installation('python3').full_path())
+conf.set('VERSION', meson.project_version())
+conf.set('localedir', get_option('prefix') / get_option('localedir'))
+conf.set('pkgdatadir', pkgdatadir)
+
+configure_file(
+  input: 'weegtk.in',
+  output: 'weegtk',
+  configuration: conf,
+  install: true,
+  install_dir: get_option('bindir'),
+  install_mode: 'r-xr-xr-x'
+)
+
+weegtk_sources = [
+  '__init__.py',
+  'main.py',
+  'window.py',
+  'config.py',
+  'chat.py',
+  'message.py',
+  'preferences.py',
+  'relay/network.py',
+  'relay/protocol.py',
+  'relay/color.py'
+]
+
+install_data(weegtk_sources, install_dir: moduledir)
diff --git a/src/message.py b/src/message.py
new file mode 100644
index 0000000..a6e69a4
--- /dev/null
+++ b/src/message.py
@@ -0,0 +1,48 @@
+# window.py
+#
+# Copyright 2024 Lucas Fryzek
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+from gi.repository import Adw
+from gi.repository import Gtk
+
+@Gtk.Template(resource_path='/com/fryzekconcepts/weegtk/gtk/message.ui')
+class WeegtkMessage(Gtk.Box):
+    __gtype_name__ = 'WeegtkMessage'
+
+    username = Gtk.Template.Child()
+    avatar = Gtk.Template.Child()
+    message_list = Gtk.Template.Child()
+
+    def __init__(self, username="username", messages=[], **kwargs):
+        super().__init__(**kwargs)
+
+        self.set_contents(username, messages)
+
+    def set_contents(self, username, messages):
+        self.username.set_label(username)
+        self.avatar.set_text(username)
+
+        first = True
+        for message in messages:
+            margin = 5 if not first else 0
+            first = False
+            msg = Gtk.Label(label=message, selectable=True,
+                            wrap=True, halign=0, hexpand=True, hexpand_set=True,
+                            xalign=0, margin_top=margin)
+            self.message_list.append(msg)
+
+
diff --git a/src/preferences.py b/src/preferences.py
new file mode 100644
index 0000000..d864012
--- /dev/null
+++ b/src/preferences.py
@@ -0,0 +1,90 @@
+# window.py
+#
+# Copyright 2024 Lucas Fryzek
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+from gi.repository import Adw
+from gi.repository import Gtk
+from gi.repository import GLib
+
+from weegtk import config
+
+import os
+
+@Gtk.Template(resource_path='/com/fryzekconcepts/weegtk/gtk/preferences.ui')
+class WeegtkPreferences(Adw.PreferencesDialog):
+    __gtype_name__ = 'WeegtkPreferences'
+
+    hostname = Gtk.Template.Child()
+    port = Gtk.Template.Child()
+    password = Gtk.Template.Child()
+
+    ssh_host = Gtk.Template.Child()
+    ssh_port = Gtk.Template.Child()
+    ssh_username = Gtk.Template.Child()
+    ssh_key_label = Gtk.Template.Child()
+
+    ssh_key_path = ""
+
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+
+        self.config = config.read()
+
+        self.hostname.set_text(self.config["relay"]["hostname"])
+        self.port.set_text(self.config["relay"]["port"])
+        self.password.set_text(self.config["relay"]["password"])
+
+        self.ssh_host.set_text(self.config["ssh"]["host"])
+        self.ssh_port.set_text(self.config["ssh"]["port"])
+        self.ssh_username.set_text(self.config["ssh"]["username"])
+        self.set_ssh_key(self.config["ssh"]["key"])
+
+        self.install_action("ssh_key.open", None, self.ssh_key_open)
+
+    def read_preferences(self):
+        self.config["relay"]["hostname"] = self.hostname.get_text()
+        self.config["relay"]["port"] = self.port.get_text()
+        self.config["relay"]["password"] = self.password.get_text()
+
+        self.config["ssh"]["host"] = self.ssh_host.get_text()
+        self.config["ssh"]["port"] = self.ssh_port.get_text()
+        self.config["ssh"]["username"] = self.ssh_username.get_text()
+        self.config["ssh"]["key"] = self.ssh_key_path
+
+    def set_ssh_key(self, key_path):
+        self.ssh_key_path = key_path
+        short_name = os.path.basename(key_path)
+        self.ssh_key_label.set_label(short_name)
+
+    def ssh_key_open_dialog(self, dialog, result, caller):
+        try:
+            file = dialog.open_finish(result)
+        except GLib.GError:
+            # gtk-dialog-error-quark: Dismissed by user
+            pass
+        else:
+            self.set_ssh_key(file.get_path())
+
+    def ssh_key_open(self, *args):
+        dialog = Gtk.FileDialog()
+        dialog.set_title("Select SSH private key")
+        dialog.open(self.get_root(), None, self.ssh_key_open_dialog, self)
+
+    @Gtk.Template.Callback()
+    def preferences_closed(self, *args):
+        self.read_preferences()
+        config.write(self.config)
diff --git a/src/relay/color.py b/src/relay/color.py
new file mode 100644
index 0000000..61b70ff
--- /dev/null
+++ b/src/relay/color.py
@@ -0,0 +1,198 @@
+# -*- coding: utf-8 -*-
+#
+# color.py - remove/replace colors in WeeChat strings
+#
+# Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+#
+# This file is part of QWeeChat, a Qt remote GUI for WeeChat.
+#
+# QWeeChat is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# QWeeChat 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with QWeeChat.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+"""Remove/replace colors in WeeChat strings."""
+
+import re
+import logging
+
+RE_COLOR_ATTRS = r'[*!/_|]*'
+RE_COLOR_STD = r'(?:%s\d{2})' % RE_COLOR_ATTRS
+RE_COLOR_EXT = r'(?:@%s\d{5})' % RE_COLOR_ATTRS
+RE_COLOR_ANY = r'(?:%s|%s)' % (RE_COLOR_STD, RE_COLOR_EXT)
+# \x19: color code, \x1A: set attribute, \x1B: remove attribute, \x1C: reset
+RE_COLOR = re.compile(
+    r'(\x19(?:\d{2}|F%s|B\d{2}|B@\d{5}|E|\\*%s(~%s)?|@\d{5}|b.|\x1C))|\x1A.|'
+    r'\x1B.|\x1C'
+    % (RE_COLOR_ANY, RE_COLOR_ANY, RE_COLOR_ANY))
+
+TERMINAL_COLORS = \
+    '000000cd000000cd00cdcd000000cdcd00cd00cdcde5e5e5' \
+    '4d4d4dff000000ff00ffff000000ffff00ff00ffffffffff' \
+    '00000000002a0000550000800000aa0000d4002a00002a2a' \
+    '002a55002a80002aaa002ad400550000552a005555005580' \
+    '0055aa0055d400800000802a0080550080800080aa0080d4' \
+    '00aa0000aa2a00aa5500aa8000aaaa00aad400d40000d42a' \
+    '00d45500d48000d4aa00d4d42a00002a002a2a00552a0080' \
+    '2a00aa2a00d42a2a002a2a2a2a2a552a2a802a2aaa2a2ad4' \
+    '2a55002a552a2a55552a55802a55aa2a55d42a80002a802a' \
+    '2a80552a80802a80aa2a80d42aaa002aaa2a2aaa552aaa80' \
+    '2aaaaa2aaad42ad4002ad42a2ad4552ad4802ad4aa2ad4d4' \
+    '55000055002a5500555500805500aa5500d4552a00552a2a' \
+    '552a55552a80552aaa552ad455550055552a555555555580' \
+    '5555aa5555d455800055802a5580555580805580aa5580d4' \
+    '55aa0055aa2a55aa5555aa8055aaaa55aad455d40055d42a' \
+    '55d45555d48055d4aa55d4d480000080002a800055800080' \
+    '8000aa8000d4802a00802a2a802a55802a80802aaa802ad4' \
+    '80550080552a8055558055808055aa8055d480800080802a' \
+    '8080558080808080aa8080d480aa0080aa2a80aa5580aa80' \
+    '80aaaa80aad480d40080d42a80d45580d48080d4aa80d4d4' \
+    'aa0000aa002aaa0055aa0080aa00aaaa00d4aa2a00aa2a2a' \
+    'aa2a55aa2a80aa2aaaaa2ad4aa5500aa552aaa5555aa5580' \
+    'aa55aaaa55d4aa8000aa802aaa8055aa8080aa80aaaa80d4' \
+    'aaaa00aaaa2aaaaa55aaaa80aaaaaaaaaad4aad400aad42a' \
+    'aad455aad480aad4aaaad4d4d40000d4002ad40055d40080' \
+    'd400aad400d4d42a00d42a2ad42a55d42a80d42aaad42ad4' \
+    'd45500d4552ad45555d45580d455aad455d4d48000d4802a' \
+    'd48055d48080d480aad480d4d4aa00d4aa2ad4aa55d4aa80' \
+    'd4aaaad4aad4d4d400d4d42ad4d455d4d480d4d4aad4d4d4' \
+    '0808081212121c1c1c2626263030303a3a3a4444444e4e4e' \
+    '5858586262626c6c6c7676768080808a8a8a9494949e9e9e' \
+    'a8a8a8b2b2b2bcbcbcc6c6c6d0d0d0dadadae4e4e4eeeeee'
+
+# WeeChat basic colors (color name, index in terminal colors)
+WEECHAT_BASIC_COLORS = (
+    ('default', 0), ('black', 0), ('darkgray', 8), ('red', 1),
+    ('lightred', 9), ('green', 2), ('lightgreen', 10), ('brown', 3),
+    ('yellow', 11), ('blue', 4), ('lightblue', 12), ('magenta', 5),
+    ('lightmagenta', 13), ('cyan', 6), ('lightcyan', 14), ('gray', 7),
+    ('white', 0))
+
+
+log = logging.getLogger(__name__)
+
+
+class Color():
+    def __init__(self, color_options, debug=False):
+        self.color_options = color_options
+        self.debug = debug
+
+    def _rgb_color(self, index):
+        color = TERMINAL_COLORS[index*6:(index*6)+6]
+        col_r = int(color[0:2], 16) * 0.85
+        col_g = int(color[2:4], 16) * 0.85
+        col_b = int(color[4:6], 16) * 0.85
+        return '%02x%02x%02x' % (col_r, col_g, col_b)
+
+    def _convert_weechat_color(self, color):
+        # TODO figure out if I want to do something here
+        return ''
+
+    def _convert_terminal_color(self, fg_bg, attrs, color):
+        try:
+            index = int(color)
+            return '\x01(%s%s#%s)' % (fg_bg, attrs, self._rgb_color(index))
+        except Exception:  # noqa: E722
+            log.debug('Error decoding terminal color "%s"', color)
+            return ''
+
+    def _convert_color_attr(self, fg_bg, color):
+        extended = False
+        if color[0].startswith('@'):
+            extended = True
+            color = color[1:]
+        attrs = ''
+        # keep_attrs = False
+        while color.startswith(('*', '!', '/', '_', '|')):
+            # TODO: manage the "keep attributes" flag
+            # if color[0] == '|':
+            #    keep_attrs = True
+            attrs += color[0]
+            color = color[1:]
+        if extended:
+            return self._convert_terminal_color(fg_bg, attrs, color)
+        try:
+            index = int(color)
+            return self._convert_terminal_color(fg_bg, attrs,
+                                                WEECHAT_BASIC_COLORS[index][1])
+        except Exception:  # noqa: E722
+            log.debug('Error decoding color "%s"', color)
+            return ''
+
+    def _attrcode_to_char(self, code):
+        codes = {
+            '\x01': '*',
+            '\x02': '!',
+            '\x03': '/',
+            '\x04': '_',
+        }
+        return codes.get(code, '')
+
+    def _convert_color(self, match):
+        # TODO figure out how to deal with color
+        color = match.group(0)
+        if color[0] == '\x19':
+            if color[1] == 'b':
+                # bar code, ignored
+                return ''
+            if color[1] == '\x1C':
+                # reset
+                return ''
+            if color[1] in ('F', 'B'):
+                # foreground or background
+                return self._convert_color_attr(color[1], color[2:])
+            if color[1] == '*':
+                # foreground with optional background
+                items = color[2:].split(',')
+                str_col = self._convert_color_attr('F', items[0])
+                if len(items) > 1:
+                    str_col += self._convert_color_attr('B', items[1])
+                return str_col
+            if color[1] == '@':
+                # direct ncurses pair number, ignored
+                return ''
+            if color[1] == 'E':
+                # text emphasis, ignored
+                return ''
+            if color[1:].isdigit():
+                return self._convert_weechat_color(int(color[1:]))
+        elif color[0] == '\x1A':
+            # set attribute
+            return '\x01(+%s)' % self._attrcode_to_char(color[1])
+        elif color[0] == '\x1B':
+            # remove attribute
+            return '\x01(-%s)' % self._attrcode_to_char(color[1])
+        elif color[0] == '\x1C':
+            # reset
+            return ''
+        # should never be executed!
+        return match.group(0)
+
+    def _convert_color_debug(self, match):
+        group = match.group(0)
+        for code in (0x01, 0x02, 0x03, 0x04, 0x19, 0x1A, 0x1B):
+            group = group.replace(chr(code), '<x%02X>' % code)
+        return group
+
+    def convert(self, text):
+        if not text:
+            return ''
+        if self.debug:
+            return RE_COLOR.sub(self._convert_color_debug, text)
+        return RE_COLOR.sub(self._convert_color, text)
+
+
+def remove(text):
+    """Remove colors in a WeeChat string."""
+    if not text:
+        return ''
+    return re.sub(RE_COLOR, '', text)
diff --git a/src/relay/network.py b/src/relay/network.py
new file mode 100644
index 0000000..1071f1a
--- /dev/null
+++ b/src/relay/network.py
@@ -0,0 +1,403 @@
+# -*- coding: utf-8 -*-
+#
+# network.py - I/O with WeeChat/relay
+#
+# Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+#
+# This file is part of QWeeChat, a Qt remote GUI for WeeChat.
+#
+# QWeeChat is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# QWeeChat 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with QWeeChat.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+"""I/O with WeeChat/relay."""
+
+import hashlib
+import secrets
+import struct
+
+from gi.repository import GObject, GLib, Gio
+
+from weegtk import config
+
+from sshtunnel import SSHTunnelForwarder
+
+# list of supported hash algorithms on our side
+# (the hash algorithm will be negotiated with the remote WeeChat)
+_HASH_ALGOS_LIST = [
+    'plain',
+    'sha256',
+    'sha512',
+    'pbkdf2+sha256',
+    'pbkdf2+sha512',
+]
+_HASH_ALGOS = ':'.join(_HASH_ALGOS_LIST)
+
+# handshake with remote WeeChat (before init)
+_PROTO_HANDSHAKE = f'(handshake) handshake password_hash_algo={_HASH_ALGOS}\n'
+
+# initialize with the password (plain text)
+_PROTO_INIT_PWD = 'init password=%(password)s%(totp)s\n'  # nosec
+
+# initialize with the hashed password
+_PROTO_INIT_HASH = ('init password_hash='
+                    '%(algo)s:%(salt)s%(iter)s:%(hash)s%(totp)s\n')
+
+_PROTO_SYNC_CMDS = [
+    # get buffers
+    '(listbuffers) hdata buffer:gui_buffers(*) number,full_name,short_name,'
+    'type,nicklist,title,local_variables',
+    # get lines
+    '(listlines) hdata buffer:gui_buffers(*)/own_lines/last_line(-%(lines)d)/'
+    'data date,displayed,prefix,message',
+    # get nicklist for all buffers
+    '(nicklist) nicklist',
+    # enable synchronization
+    'sync',
+]
+
+STATUS_DISCONNECTED = 'disconnected'
+STATUS_CONNECTING = 'connecting'
+STATUS_AUTHENTICATING = 'authenticating'
+STATUS_CONNECTED = 'connected'
+
+NETWORK_STATUS = {
+    STATUS_DISCONNECTED: {
+        'label': 'Disconnected',
+        'color': '#aa0000',
+        'icon': 'dialog-close.png',
+    },
+    STATUS_CONNECTING: {
+        'label': 'Connecting…',
+        'color': '#dd5f00',
+        'icon': 'dialog-warning.png',
+    },
+    STATUS_AUTHENTICATING: {
+        'label': 'Authenticating…',
+        'color': '#007fff',
+        'icon': 'dialog-password.png',
+    },
+    STATUS_CONNECTED: {
+        'label': 'Connected',
+        'color': 'green',
+        'icon': 'dialog-ok-apply.png',
+    },
+}
+
+
+class Network(GObject.GObject):
+    """I/O with WeeChat/relay."""
+    __gsignals__ = {
+        "status_changed" : (
+            GObject.SignalFlags.RUN_FIRST,
+            None,
+            (str, str)
+        ),
+        "message_from_weechat" : (
+            GObject.SignalFlags.RUN_FIRST,
+            None,
+            (GLib.Bytes,)
+        )
+    }
+
+    def __init__(self, *args):
+        super().__init__(*args)
+        self._init_connection()
+        self.debug_lines = []
+        self.debug_dialog = None
+        self._lines = config.CONFIG_DEFAULT_RELAY_LINES
+        self.cancel_network_reads = Gio.Cancellable()
+        self._buffer = bytearray()
+        self._socketclient = Gio.SocketClient.new()
+        self._socket = None
+
+        # TODO figure out how to deal with these signals
+        #self._socket.connected.self._socket_connected)
+        #self._socket.readyRead.connect(self._socket_read)
+        #self._socket.disconnected.connect(self._socket_disconnected)
+
+    def _init_connection(self):
+        self.status = STATUS_DISCONNECTED
+        self._hostname = None
+        self._port = None
+        self._ssl = None
+        self._password = None
+        self._totp = None
+        self._handshake_received = False
+        self._handshake_timer = None
+        self._pwd_hash_algo = None
+        self._pwd_hash_iter = 0
+        self._server_nonce = None
+
+    def set_status(self, status):
+        """Set current status."""
+        self.status = status
+        self.emit("status_changed", status, None)
+
+    def pbkdf2(self, hash_name, salt):
+        """Return hashed password with PBKDF2-HMAC."""
+        return hashlib.pbkdf2_hmac(
+            hash_name,
+            password=self._password.encode('utf-8'),
+            salt=salt,
+            iterations=self._pwd_hash_iter,
+        ).hex()
+
+    def _build_init_command(self):
+        """Build the init command to send to WeeChat."""
+        totp = f',totp={self._totp}' if self._totp else ''
+        if self._pwd_hash_algo == 'plain':  # nosec
+            cmd = _PROTO_INIT_PWD % {
+                'password': self._password,
+                'totp': totp,
+            }
+        else:
+            client_nonce = secrets.token_bytes(16)
+            salt = self._server_nonce + client_nonce
+            pwd_hash = None
+            iterations = ''
+            if self._pwd_hash_algo == 'pbkdf2+sha512':  # nosec
+                pwd_hash = self.pbkdf2('sha512', salt)
+                iterations = f':{self._pwd_hash_iter}'
+            elif self._pwd_hash_algo == 'pbkdf2+sha256':  # nosec
+                pwd_hash = self.pbkdf2('sha256', salt)
+                iterations = f':{self._pwd_hash_iter}'
+            elif self._pwd_hash_algo == 'sha512':  # nosec
+                pwd = salt + self._password.encode('utf-8')
+                pwd_hash = hashlib.sha512(pwd).hexdigest()
+            elif self._pwd_hash_algo == 'sha256':  # nosec
+                pwd = salt + self._password.encode('utf-8')
+                pwd_hash = hashlib.sha256(pwd).hexdigest()
+            if not pwd_hash:
+                return None
+            cmd = _PROTO_INIT_HASH % {
+                'algo': self._pwd_hash_algo,
+                'salt': bytearray(salt).hex(),
+                'iter': iterations,
+                'hash': pwd_hash,
+                'totp': totp,
+            }
+        return cmd
+
+    def _build_sync_command(self):
+        """Build the sync commands to send to WeeChat."""
+        cmd = '\n'.join(_PROTO_SYNC_CMDS) + '\n'
+        return cmd % {'lines': self._lines}
+
+    def handshake_timer_expired(self):
+        if self.status == STATUS_AUTHENTICATING:
+            self._pwd_hash_algo = 'plain'  # nosec
+            self.send_to_weechat(self._build_init_command())
+            self.sync_weechat()
+            self.set_status(STATUS_CONNECTED)
+        return False
+
+    def _socket_connected(self):
+        """Slot: socket connected."""
+        self.set_status(STATUS_AUTHENTICATING)
+        self.send_to_weechat(_PROTO_HANDSHAKE)
+        self._handshake_timer = GLib.timeout_add(2000, self.handshake_timer_expired)
+
+    def _socket_read(self, source_object, res, *user_data):
+        """Slot: data available on socket."""
+        try:
+            gbytes = self.input.read_bytes_finish(res)
+        except GLib.Error as err:
+            self.handle_network_error(err)
+            return
+
+        self._buffer.extend(gbytes.get_data())
+        while len(self._buffer) >= 4:
+            remainder = None
+            length = struct.unpack('>i', self._buffer[0:4])[0]
+            if len(self._buffer) < length:
+                # partial message, just wait for end of message
+                break
+            # more than one message?
+            if length < len(self._buffer):
+                # save beginning of another message
+                remainder = self._buffer[length:]
+                self._buffer = self._buffer[0:length]
+            self.emit("message_from_weechat", GLib.Bytes(self._buffer))
+            if not self.is_connected():
+                return
+            self._buffer.clear()
+            if remainder:
+                self._buffer.extend(remainder)
+
+        self.input.read_bytes_async(
+            4096, 0, self.cancel_network_reads, self._socket_read)
+
+    def _socket_disconnected(self):
+        """Slot: socket disconnected."""
+        if self._handshake_timer:
+            self._handshake_timer.stop()
+        self._init_connection()
+        self.set_status(STATUS_DISCONNECTED)
+
+    def is_connected(self):
+        """Return True if the socket is connected, False otherwise."""
+        return self._socket.is_connected()
+
+    def is_ssl(self):
+        """Return True if SSL is used, False otherwise."""
+        return self._ssl
+
+    def connect_weechat_ssh(self, ssh_host, ssh_port, ssh_username, ssh_key,
+                            relay_host, relay_port, relay_pw):
+        self.ssh_tunnel = SSHTunnelForwarder(
+            ssh_host,
+            ssh_username=ssh_username,
+            ssh_pkey=ssh_key,
+            remote_bind_address=(relay_host, int(relay_port)))
+
+        self.ssh_tunnel.start()
+
+        self.connect_weechat("localhost", self.ssh_tunnel.local_bind_port,
+                             False, relay_pw, None, "")
+
+    def connect_weechat(self, hostname, port, ssl, password, totp, lines):
+        """Connect to WeeChat."""
+        self._hostname = hostname
+        try:
+            self._port = int(port)
+        except ValueError:
+            self._port = 0
+        self._ssl = ssl
+        self._password = password
+        self._totp = totp
+        try:
+            self._lines = int(lines)
+        except ValueError:
+            self._lines = config.CONFIG_DEFAULT_RELAY_LINES
+
+        # TODO handle SSL
+        self._socketclient.connect_async(
+            Gio.NetworkAddress.new(self._hostname, self._port),
+            None,
+            self._connected_func, None)
+        self.set_status(STATUS_CONNECTING)
+
+    def _connected_func(self, source_object, res, *user_data):
+        """Callback function called after connection attempt."""
+        try:
+            self._socket = self._socketclient.connect_finish(res)
+        except GLib.Error as err:
+            print("Connection failed:\n{}".format(err.message))
+            self.set_status(STATUS_NOT_CONNECTED)
+            return
+        else:
+            print("Connected")
+            self.set_status(STATUS_CONNECTED)
+            self._socket_connected()
+            self.input = self._socket.get_input_stream()
+            self.input.read_bytes_async(
+                4096, 0, self.cancel_network_reads, self._socket_read)
+
+    def disconnect_weechat(self):
+        """Disconnect from WeeChat."""
+        if self._socket.state() == QtNetwork.QAbstractSocket.UnconnectedState:
+            self.set_status(STATUS_DISCONNECTED)
+            return
+        if self._socket.state() == QtNetwork.QAbstractSocket.ConnectedState:
+            self.send_to_weechat('quit\n')
+            self._socket.waitForBytesWritten(1000)
+        else:
+            self.set_status(STATUS_DISCONNECTED)
+        self._socket.abort()
+
+    def send_to_weechat(self, message):
+        """Send a message to WeeChat."""
+        output = self._socket.get_output_stream()
+        try:
+            output.write(message.encode("utf-8"))
+        except GLib.Error as err:
+            self.handle_network_error(err)
+
+    def init_with_handshake(self, response):
+        """Initialize with WeeChat using the handshake response."""
+        self._pwd_hash_algo = response['password_hash_algo']
+        self._pwd_hash_iter = int(response['password_hash_iterations'])
+        self._server_nonce = bytearray.fromhex(response['nonce'])
+        if self._pwd_hash_algo:
+            cmd = self._build_init_command()
+            if cmd:
+                self.send_to_weechat(cmd)
+                self.sync_weechat()
+                self.set_status(STATUS_CONNECTED)
+                return
+        # failed to initialize: disconnect
+        self.disconnect_weechat()
+
+    def desync_weechat(self):
+        """Desynchronize from WeeChat."""
+        self.send_to_weechat('desync\n')
+
+    def sync_weechat(self):
+        """Synchronize with WeeChat."""
+        self.send_to_weechat(self._build_sync_command())
+
+    def status_label(self, status):
+        """Return the label for a given status."""
+        return NETWORK_STATUS.get(status, {}).get('label', '')
+
+    def status_color(self, status):
+        """Return the color for a given status."""
+        return NETWORK_STATUS.get(status, {}).get('color', 'black')
+
+    def status_icon(self, status):
+        """Return the name of icon for a given status."""
+        return NETWORK_STATUS.get(status, {}).get('icon', '')
+
+    def get_options(self):
+        """Get connection options."""
+        return {
+            'hostname': self._hostname,
+            'port': self._port,
+            'ssl': 'on' if self._ssl else 'off',
+            'password': self._password,
+            'lines': str(self._lines),
+        }
+
+    def debug_print(self, *args, **kwargs):
+        """Display a debug message."""
+        self.debug_lines.append((args, kwargs))
+        if self.debug_dialog:
+            self.debug_dialog.chat.display(*args, **kwargs)
+
+    def _debug_dialog_closed(self, result):
+        """Called when debug dialog is closed."""
+        self.debug_dialog = None
+
+    def debug_input_text_sent(self, text):
+        """Send debug buffer input to WeeChat."""
+        if self.network.is_connected():
+            text = str(text)
+            pos = text.find(')')
+            if text.startswith('(') and pos >= 0:
+                text = '(debug_%s)%s' % (text[1:pos], text[pos+1:])
+            else:
+                text = '(debug) %s' % text
+            self.network.debug_print(0, '<==', text, forcecolor='#AA0000')
+            self.network.send_to_weechat(text + '\n')
+
+    def open_debug_dialog(self):
+        """Open a dialog with debug messages."""
+        if not self.debug_dialog:
+            self.debug_dialog = DebugDialog()
+            self.debug_dialog.input.textSent.connect(
+                self.debug_input_text_sent)
+            self.debug_dialog.finished.connect(self._debug_dialog_closed)
+            self.debug_dialog.display_lines(self.debug_lines)
+            self.debug_dialog.chat.scroll_bottom()
+
diff --git a/src/relay/protocol.py b/src/relay/protocol.py
new file mode 100644
index 0000000..6f70544
--- /dev/null
+++ b/src/relay/protocol.py
@@ -0,0 +1,362 @@
+# -*- coding: utf-8 -*-
+#
+# protocol.py - decode binary messages received from WeeChat/relay
+#
+# Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
+#
+# This file is part of QWeeChat, a Qt remote GUI for WeeChat.
+#
+# QWeeChat is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# QWeeChat 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with QWeeChat.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+#
+# For info about protocol and format of messages, please read document
+# "WeeChat Relay Protocol", available at:  https://weechat.org/doc/
+#
+# History:
+#
+# 2011-11-23, Sébastien Helleu <flashcode@flashtux.org>:
+#     start dev
+#
+
+"""Decode binary messages received from WeeChat/relay."""
+
+import collections
+import struct
+import zlib
+
+
+class WeechatDict(collections.OrderedDict):
+    def __str__(self):
+        return '{%s}' % ', '.join(
+            ['%s: %s' % (repr(key), repr(self[key])) for key in self])
+
+
+class WeechatObject:
+    def __init__(self, objtype, value, separator='\n'):
+        self.objtype = objtype
+        self.value = value
+        self.separator = separator
+        self.indent = '  ' if separator == '\n' else ''
+        self.separator1 = '\n%s' % self.indent if separator == '\n' else ''
+
+    def _str_value(self, val):
+        if isinstance(val, str) and val is not None:
+            return '\'%s\'' % val
+        return str(val)
+
+    def _str_value_hdata(self):
+        lines = ['%skeys: %s%s%spath: %s' % (self.separator1,
+                                             str(self.value['keys']),
+                                             self.separator,
+                                             self.indent,
+                                             str(self.value['path']))]
+        for i, item in enumerate(self.value['items']):
+            lines.append('  item %d:%s%s' % (
+                (i + 1), self.separator,
+                self.separator.join(
+                    ['%s%s: %s' % (self.indent * 2, key,
+                                   self._str_value(value))
+                     for key, value in item.items()])))
+        return '\n'.join(lines)
+
+    def _str_value_infolist(self):
+        lines = ['%sname: %s' % (self.separator1, self.value['name'])]
+        for i, item in enumerate(self.value['items']):
+            lines.append('  item %d:%s%s' % (
+                (i + 1), self.separator,
+                self.separator.join(
+                    ['%s%s: %s' % (self.indent * 2, key,
+                                   self._str_value(value))
+                     for key, value in item.items()])))
+        return '\n'.join(lines)
+
+    def _str_value_other(self):
+        return self._str_value(self.value)
+
+    def __str__(self):
+        obj_cb = {
+            'hda': self._str_value_hdata,
+            'inl': self._str_value_infolist,
+        }
+        return '%s: %s' % (self.objtype,
+                           obj_cb.get(self.objtype, self._str_value_other)())
+
+
+class WeechatObjects(list):
+    def __init__(self, separator='\n'):
+        super().__init__()
+        self.separator = separator
+
+    def __str__(self):
+        return self.separator.join([str(obj) for obj in self])
+
+
+class WeechatMessage:
+    def __init__(self, size, size_uncompressed, compression, uncompressed,
+                 msgid, objects):
+        self.size = size
+        self.size_uncompressed = size_uncompressed
+        self.compression = compression
+        self.uncompressed = uncompressed
+        self.msgid = msgid
+        self.objects = objects
+
+    def __str__(self):
+        if self.compression != 0:
+            return 'size: %d/%d (%d%%), id=\'%s\', objects:\n%s' % (
+                self.size, self.size_uncompressed,
+                100 - ((self.size * 100) // self.size_uncompressed),
+                self.msgid, self.objects)
+        return 'size: %d, id=\'%s\', objects:\n%s' % (self.size,
+                                                      self.msgid,
+                                                      self.objects)
+
+
+class Protocol:
+    """Decode binary message received from WeeChat/relay."""
+
+    def __init__(self):
+        self.data = ''
+        self._obj_cb = {
+            'chr': self._obj_char,
+            'int': self._obj_int,
+            'lon': self._obj_long,
+            'str': self._obj_str,
+            'buf': self._obj_buffer,
+            'ptr': self._obj_ptr,
+            'tim': self._obj_time,
+            'htb': self._obj_hashtable,
+            'hda': self._obj_hdata,
+            'inf': self._obj_info,
+            'inl': self._obj_infolist,
+            'arr': self._obj_array,
+        }
+
+    def _obj_type(self):
+        """Read type in data (3 chars)."""
+        if len(self.data) < 3:
+            self.data = ''
+            return ''
+        objtype = self.data[0:3].decode()
+        self.data = self.data[3:]
+        return objtype
+
+    def _obj_len_data(self, length_size):
+        """Read length (1 or 4 bytes), then value with this length."""
+        if len(self.data) < length_size:
+            self.data = ''
+            return None
+        if length_size == 1:
+            length = struct.unpack('B', self.data[0:1])[0]
+            self.data = self.data[1:]
+        else:
+            length = self._obj_int()
+        if length < 0:
+            return None
+        if length > 0:
+            value = self.data[0:length]
+            self.data = self.data[length:]
+        else:
+            value = ''
+        return value
+
+    def _obj_char(self):
+        """Read a char in data."""
+        if len(self.data) < 1:
+            return 0
+        value = struct.unpack('b', self.data[0:1])[0]
+        self.data = self.data[1:]
+        return value
+
+    def _obj_int(self):
+        """Read an integer in data (4 bytes)."""
+        if len(self.data) < 4:
+            self.data = ''
+            return 0
+        value = struct.unpack('>i', self.data[0:4])[0]
+        self.data = self.data[4:]
+        return value
+
+    def _obj_long(self):
+        """Read a long integer in data (length on 1 byte + value as string)."""
+        value = self._obj_len_data(1)
+        if value is None:
+            return None
+        return int(value)
+
+    def _obj_str(self):
+        """Read a string in data (length on 4 bytes + content)."""
+        value = self._obj_len_data(4)
+        if value in ("", None):
+            return ""
+        return value.decode()
+
+    def _obj_buffer(self):
+        """Read a buffer in data (length on 4 bytes + data)."""
+        return self._obj_len_data(4)
+
+    def _obj_ptr(self):
+        """Read a pointer in data (length on 1 byte + value as string)."""
+        value = self._obj_len_data(1)
+        if value is None:
+            return None
+        return '0x%s' % value
+
+    def _obj_time(self):
+        """Read a time in data (length on 1 byte + value as string)."""
+        value = self._obj_len_data(1)
+        if value is None:
+            return None
+        return int(value)
+
+    def _obj_hashtable(self):
+        """
+        Read a hashtable in data
+        (type for keys + type for values + count + items).
+        """
+        type_keys = self._obj_type()
+        type_values = self._obj_type()
+        count = self._obj_int()
+        hashtable = WeechatDict()
+        for _ in range(count):
+            key = self._obj_cb[type_keys]()
+            value = self._obj_cb[type_values]()
+            hashtable[key] = value
+        return hashtable
+
+    def _obj_hdata(self):
+        """Read a hdata in data."""
+        path = self._obj_str()
+        keys = self._obj_str()
+        count = self._obj_int()
+        list_path = path.split('/') if path else []
+        list_keys = keys.split(',') if keys else []
+        keys_types = []
+        dict_keys = WeechatDict()
+        for key in list_keys:
+            items = key.split(':')
+            keys_types.append(items)
+            dict_keys[items[0]] = items[1]
+        items = []
+        for _ in range(count):
+            item = WeechatDict()
+            item['__path'] = []
+            pointers = []
+            for _ in enumerate(list_path):
+                pointers.append(self._obj_ptr())
+            for key, objtype in keys_types:
+                item[key] = self._obj_cb[objtype]()
+            item['__path'] = pointers
+            items.append(item)
+        return {
+            'path': list_path,
+            'keys': dict_keys,
+            'count': count,
+            'items': items,
+        }
+
+    def _obj_info(self):
+        """Read an info in data."""
+        name = self._obj_str()
+        value = self._obj_str()
+        return (name, value)
+
+    def _obj_infolist(self):
+        """Read an infolist in data."""
+        name = self._obj_str()
+        count_items = self._obj_int()
+        items = []
+        for _ in range(count_items):
+            count_vars = self._obj_int()
+            variables = WeechatDict()
+            for _ in range(count_vars):
+                var_name = self._obj_str()
+                var_type = self._obj_type()
+                var_value = self._obj_cb[var_type]()
+                variables[var_name] = var_value
+            items.append(variables)
+        return {
+            'name': name,
+            'items': items
+        }
+
+    def _obj_array(self):
+        """Read an array of values in data."""
+        type_values = self._obj_type()
+        count_values = self._obj_int()
+        values = []
+        for _ in range(count_values):
+            values.append(self._obj_cb[type_values]())
+        return values
+
+    def decode(self, data, separator='\n'):
+        """Decode binary data and return list of objects."""
+        self.data = data
+        size = len(self.data)
+        size_uncompressed = size
+        uncompressed = None
+        # uncompress data (if it is compressed)
+        compression = struct.unpack('b', self.data[4:5])[0]
+        if compression:
+            uncompressed = zlib.decompress(self.data[5:])
+            size_uncompressed = len(uncompressed) + 5
+            uncompressed = b'%s%s%s' % (struct.pack('>i', size_uncompressed),
+                                        struct.pack('b', 0), uncompressed)
+            self.data = uncompressed
+        else:
+            uncompressed = self.data[:]
+        # skip length and compression flag
+        self.data = self.data[5:]
+        # read id
+        msgid = self._obj_str()
+        if msgid is None:
+            msgid = ''
+        # read objects
+        objects = WeechatObjects(separator=separator)
+        while len(self.data) > 0:
+            objtype = self._obj_type()
+            value = self._obj_cb[objtype]()
+            objects.append(WeechatObject(objtype, value, separator=separator))
+        return WeechatMessage(size, size_uncompressed, compression,
+                              uncompressed, msgid, objects)
+
+
+def hex_and_ascii(data, bytes_per_line=10):
+    """Convert a QByteArray to hex + ascii output."""
+    num_lines = ((len(data) - 1) // bytes_per_line) + 1
+    if num_lines == 0:
+        return ''
+    lines = []
+    for i in range(num_lines):
+        str_hex = []
+        str_ascii = []
+        for j in range(bytes_per_line):
+            # We can't easily iterate over individual bytes, so we are going to
+            # do it this way.
+            index = (i*bytes_per_line) + j
+            char = data[index:index+1]
+            if not char:
+                char = b'x'
+            byte = struct.unpack('B', char)[0]
+            str_hex.append(b'%02X' % int(byte))
+            if 32 <= byte <= 127:
+                str_ascii.append(char)
+            else:
+                str_ascii.append(b'.')
+        fmt = b'%%-%ds %%s' % ((bytes_per_line * 3) - 1)
+        lines.append(fmt % (b' '.join(str_hex),
+                            b''.join(str_ascii)))
+    return b'\n'.join(lines)
+
diff --git a/src/style.css b/src/style.css
new file mode 100644
index 0000000..ae7eab8
--- /dev/null
+++ b/src/style.css
@@ -0,0 +1,9 @@
+label.username {
+  color: rgb(4, 97, 190);
+  font-weight: 700;
+}
+
+box.message {
+  padding-top: 2px;
+  padding-bottom: 2px;
+}
diff --git a/src/weegtk.gresource.xml b/src/weegtk.gresource.xml
new file mode 100644
index 0000000..c54ffe8
--- /dev/null
+++ b/src/weegtk.gresource.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+  <gresource prefix="/com/fryzekconcepts/weegtk">
+    <file preprocess="xml-stripblanks">window.ui</file>
+    <file preprocess="xml-stripblanks">gtk/help-overlay.ui</file>
+    <file preprocess="xml-stripblanks">gtk/chat.ui</file>
+    <file preprocess="xml-stripblanks">gtk/message.ui</file>
+    <file preprocess="xml-stripblanks">gtk/preferences.ui</file>
+    <file compressed="true">style.css</file>
+  </gresource>
+</gresources>
diff --git a/src/weegtk.in b/src/weegtk.in
new file mode 100755
index 0000000..123a529
--- /dev/null
+++ b/src/weegtk.in
@@ -0,0 +1,46 @@
+#!@PYTHON@
+
+# weegtk.in
+#
+# Copyright 2024 Lucas Fryzek
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+import os
+import sys
+import signal
+import locale
+import gettext
+
+VERSION = '@VERSION@'
+pkgdatadir = '@pkgdatadir@'
+localedir = '@localedir@'
+
+sys.path.insert(1, pkgdatadir)
+signal.signal(signal.SIGINT, signal.SIG_DFL)
+locale.bindtextdomain('weegtk', localedir)
+locale.textdomain('weegtk')
+gettext.install('weegtk', localedir)
+
+if __name__ == '__main__':
+    import gi
+
+    from gi.repository import Gio
+    resource = Gio.Resource.load(os.path.join(pkgdatadir, 'weegtk.gresource'))
+    resource._register()
+
+    from weegtk import main
+    sys.exit(main.main(VERSION))
diff --git a/src/window.py b/src/window.py
new file mode 100644
index 0000000..df63e36
--- /dev/null
+++ b/src/window.py
@@ -0,0 +1,70 @@
+# window.py
+#
+# Copyright 2024 Lucas Fryzek
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from gi.repository import Adw
+from gi.repository import Gtk
+
+@Gtk.Template(resource_path='/com/fryzekconcepts/weegtk/window.ui')
+class WeegtkWindow(Adw.ApplicationWindow):
+    __gtype_name__ = 'WeegtkWindow'
+
+    stack = Gtk.Template.Child()
+    content_page = Gtk.Template.Child()
+    color_scheme_button = Gtk.Template.Child()
+    split_view = Gtk.Template.Child()
+
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+        manager = Adw.StyleManager.get_default()
+
+        manager.connect("notify::system-supports-color-schemes",
+                        self.notify_system_supports_color_schemes_cb,
+                        self,
+                        False)
+
+        self.notify_system_supports_color_schemes_cb()
+        self.notify_visible_child_cb()
+
+    def notify_system_supports_color_schemes_cb(self):
+        manager = Adw.StyleManager.get_default()
+        supports = manager.get_system_supports_color_schemes()
+
+        self.color_scheme_button.set_visible(not supports)
+
+        if supports:
+            manager.set_color_scheme(Adw.ColorScheme.DEFAULT)
+
+    @Gtk.Template.Callback()
+    def notify_visible_child_cb(self, *args):
+        child = self.stack.get_visible_child()
+        # When application starts up there are no buffers
+        if child is None:
+            return
+        page = self.stack.get_page(child)
+        self.content_page.set_title(page.get_title())
+        self.split_view.set_show_content(True)
+
+    @Gtk.Template.Callback()
+    def get_color_scheme_icon_name(self, user_data, dark):
+        return "light-mode-symbolic" if dark else "dark-mode-symbolic"
+
+    @Gtk.Template.Callback()
+    def color_scheme_button_clicked_cb(self, *args):
+        raise NotImplementedError
+
diff --git a/src/window.ui b/src/window.ui
new file mode 100644
index 0000000..3072280
--- /dev/null
+++ b/src/window.ui
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <requires lib="gtk" version="4.0"/>
+  <requires lib="libadwaita" version="1.0"/>
+  <menu id="primary_menu">
+    <section>
+      <item>
+        <attribute name="label" translatable="yes">_Preferences</attribute>
+        <attribute name="action">app.preferences</attribute>
+      </item>
+      <item>
+        <attribute name="label" translatable="yes">_About</attribute>
+        <attribute name="action">app.about</attribute>
+      </item>
+    </section>
+  </menu>
+  <template class="WeegtkWindow" parent="AdwApplicationWindow">
+    <property name="title" translatable="yes">Weegtk</property>
+    <property name="default_width">800</property>
+    <property name="default_height">576</property>
+    <child>
+      <object class="AdwBreakpoint">
+        <condition>max-width: 500sp</condition>
+        <setter object="split_view" property="collapsed">True</setter>
+      </object>
+    </child>
+    <property name="content">
+      <object class="AdwToastOverlay" id="toast_overlay">
+        <property name="child">
+          <object class="AdwNavigationSplitView" id="split_view">
+            <property name="min-sidebar-width">200</property>
+            <property name="sidebar">
+              <object class="AdwNavigationPage">
+                <property name="title" bind-source="WeegtkWindow" bind-property="title" bind-flags="sync-create"/>
+                <property name="child">
+                  <object class="AdwToolbarView">
+                    <child type="top">
+                      <object class="AdwHeaderBar">
+                        <child type="start">
+                          <object class="GtkButton" id="color_scheme_button">
+                            <binding name="icon-name">
+                              <closure type="gchararray" function="get_color_scheme_icon_name">
+                                <lookup name="dark" type="AdwStyleManager">
+                                  <lookup name="style-manager" type="AdwApplication">
+                                    <lookup name="application">WeegtkWindow</lookup>
+                                  </lookup>
+                                </lookup>
+                              </closure>
+                            </binding>
+                            <signal name="clicked" handler="color_scheme_button_clicked_cb" swapped="no"/>
+                          </object>
+                        </child>
+                        <child type="end">
+                          <object class="GtkMenuButton">
+                            <property name="tooltip-text" translatable="yes">Main Menu</property>
+                            <property name="menu-model">primary_menu</property>
+                            <property name="icon-name">open-menu-symbolic</property>
+                            <property name="primary">True</property>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                    <property name="content">
+                      <object class="GtkStackSidebar">
+                        <property name="stack">stack</property>
+                      </object>
+                    </property>
+                  </object>
+                </property>
+              </object>
+            </property>
+            <property name="content">
+              <object class="AdwNavigationPage" id="content_page">
+                <property name="child">
+                  <object class="GtkStack" id="stack">
+                    <property name="vhomogeneous">False</property>
+                    <signal name="notify::visible-child" handler="notify_visible_child_cb" after="yes" swapped="no"/>
+                  </object>
+                </property>
+              </object>
+            </property>
+          </object>
+        </property>
+      </object>
+    </property>
+  </template>
+</interface>
-- 
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