Bavarder/src/main.py

# main.py
#
# Copyright 2023 Me
#
# 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 <http://www.gnu.org/licenses/>.
#
# SPDX-License-Identifier: GPL-3.0-or-later

import sys
import gi
import sys
import threading
import socket

gi.require_version("Gtk", "4.0")
gi.require_version("Adw", "1")
gi.require_version("Gdk", "4.0")

from gi.repository import Gtk, Gio, Adw, Gdk, GLib
from .window import BavarderWindow
from .preferences import Preferences

from .constants import app_id, version

from baichat_py import BAIChat


class BavarderApplication(Adw.Application):
    """The main application singleton class."""

    def __init__(self):
        super().__init__(
            application_id="io.github.Bavarder.Bavarder",
            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.create_action("copy_prompt", self.on_copy_prompt_action)
        self.create_action("copy_bot", self.on_copy_bot_action)
        self.create_action("ask", self.on_ask_action, ["<primary>Return"])

        self.settings = Gio.Settings(schema_id="io.github.Bavarder.Bavarder")

        self.clear_after_send = self.settings.get_boolean("clear-after-send")

    def do_activate(self):
        """Called when the application is activated.

        We raise the application's main window, creating it if
        necessary.
        """
        self.win = self.props.active_window
        if not self.win:
            self.win = BavarderWindow(application=self)
        self.win.present()

        self.win.response_stack.set_visible_child_name("page_response")

    def on_about_action(self, widget, _):
        """Callback for the app.about action."""
        about = Adw.AboutWindow(
            transient_for=self.props.active_window,
            application_name="Bavarder",
            application_icon=app_id,
            developer_name="0xMRTT",
            developers=["0xMRTT https://github.com/0xMRTT"],
            designers=["David Lapshin https://github.com/daudix-UFO"],
            documenters=[],
            license_type=Gtk.License.GPL_3_0,
            version=version,
            copyright="© 2023 0xMRTT",
        )

        about.add_acknowledgement_section(
            "Special thanks to",
            [
                "Telegraph https://apps.gnome.org/app/io.github.fkinoshita.Telegraph",
                "BAIChat https://chatbot.theb.ai/",
            ],
        )
        about.present()

    def on_preferences_action(self, widget, _):
        """Callback for the app.preferences action."""
        print("app.preferences action activated")

        preferences = Preferences(
            application=self, transient_for=self.props.active_window
        )
        preferences.present()

    def on_copy_prompt_action(self, widget, _):
        """Callback for the app.copy_prompt action."""

        toast = Adw.Toast()

        text = self.win.prompt_text_view.get_buffer()
        toast.set_title("Text copied")

        (start, end) = text.get_bounds()
        text = text.get_text(start, end, False)

        if len(text) == 0:
            return

        Gdk.Display.get_default().get_clipboard().set(text)

        self.win.toast_overlay.add_toast(toast)

    def on_copy_bot_action(self, widget, _):
        """Callback for the app.copy_bot action."""

        toast = Adw.Toast()

        text = self.win.bot_text_view.get_buffer()
        toast.set_title("Text copied")

        (start, end) = text.get_bounds()
        text = text.get_text(start, end, False)

        if len(text) == 0:
            return

        Gdk.Display.get_default().get_clipboard().set(text)

        self.win.toast_overlay.add_toast(toast)

    def ask(self, prompt):
        chat = BAIChat(sync=True)
        try:
            response = chat.sync_ask(self.prompt)
        except KeyError:
            self.win.banner.set_revealed(False)
            return ""
        except socket.gaierror:
            #self.win.response_stack.set_visible_child_name("page_offline")
            self.win.banner.set_revealed(True)
            return ""
        else:
            self.win.banner.set_revealed(False)
            return response.text

    def on_ask_action(self, widget, _):
        """Callback for the app.ask action."""

        self.win.spinner.start()
        self.win.ask_button.set_visible(False)
        self.win.wait_button.set_visible(True)
        self.prompt = self.win.prompt_text_view.get_buffer().props.text

        def thread_run():
            # call heavy here
            response = self.ask(self.prompt)
            GLib.idle_add(cleanup, response)

        def cleanup(response):
            self.win.spinner.stop()
            self.win.ask_button.set_visible(True)
            self.win.wait_button.set_visible(False)
            t.join()
            self.win.bot_text_view.get_buffer().set_text(response)

            if self.clear_after_send:
                self.win.prompt_text_view.get_buffer().set_text("")

        t = threading.Thread(target=thread_run)
        t.start()

    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 main(version):
    """The application's entry point."""
    app = BavarderApplication()
    return app.run(sys.argv)