SafeEyes/safeeyes/ui/about_dialog.py

#!/usr/bin/env python
# Safe Eyes is a utility to remind you to take break frequently
# to protect your eyes from eye strain.

# Copyright (C) 2016  Gobinath

# 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/>.
"""
This module creates the AboutDialog which shows the version and license.
"""

import os

from safeeyes import utility

ABOUT_DIALOG_GLADE = os.path.join(utility.BIN_DIRECTORY, "glade/about_dialog.glade")


class AboutDialog:
    """
    AboutDialog reads the about_dialog.glade and build the user interface using that file.
    It shows the application name with version, a small description, license and the GitHub url.
    """

    def __init__(self, version):
        builder = utility.create_gtk_builder(ABOUT_DIALOG_GLADE)
        self.window = builder.get_object('window_about')

        self.window.connect("close-request", self.on_window_delete)
        builder.get_object('btn_close').connect('clicked', self.on_close_clicked)

        builder.get_object('lbl_decription').set_label(_("Safe Eyes protects your eyes from eye strain (asthenopia) by reminding you to take breaks while you're working long hours at the computer"))
        builder.get_object('lbl_license').set_label(_('License') + ':')

        # Set the version at the runtime
        builder.get_object('lbl_app_name').set_label('Safe Eyes ' + version)

    def show(self):
        """
        Show the About dialog.
        """
        self.window.present()

    def on_window_delete(self, *args):
        """
        Window close event handler.
        """
        self.window.destroy()

    def on_close_clicked(self, *args):
        """
        Close button click event handler.
        """
        self.window.destroy()