80 lines
2.6 KiB
Python
80 lines
2.6 KiB
Python
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# main.py
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#
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# Copyright (C) 2022 Libre en Communs <contact@a-lec.org>
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# Copyright (C) 2022 Adrien Bourmault <neox@a-lec.org>
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# Copyright (C) 2022 Jean Sirmai <jean@a-lec.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import gi
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gi.require_version('Gtk', '4.0')
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gi.require_version('Adw', '1')
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from gi.repository import Gtk, Gio, Adw
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from .window import GemGraphWindow, AboutDialog
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class GemGraphApplication(Adw.Application):
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"""The main application singleton class."""
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def __init__(self):
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super().__init__(application_id='org.example.App',
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flags=Gio.ApplicationFlags.FLAGS_NONE)
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self.create_action('quit', self.quit, ['<primary>q'])
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self.create_action('about', self.on_about_action)
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self.create_action('preferences', self.on_preferences_action)
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def do_activate(self):
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"""Called when the application is activated.
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We raise the application's main window, creating it if
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necessary.
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"""
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win = self.props.active_window
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if not win:
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win = GemGraphWindow(application=self)
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win.present()
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def on_about_action(self, widget, _):
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"""Callback for the app.about action."""
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about = AboutDialog(self.props.active_window)
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about.present()
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def on_preferences_action(self, widget, _):
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"""Callback for the app.preferences action."""
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print('app.preferences action activated')
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def create_action(self, name, callback, shortcuts=None):
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"""Add an application action.
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Args:
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name: the name of the action
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callback: the function to be called when the action is
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activated
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shortcuts: an optional list of accelerators
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"""
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action = Gio.SimpleAction.new(name, None)
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action.connect("activate", callback)
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self.add_action(action)
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if shortcuts:
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self.set_accels_for_action(f"app.{name}", shortcuts)
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def main(version):
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"""The application's entry point."""
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app = GemGraphApplication()
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return app.run(sys.argv)
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