# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:

# Copyright 2015-2018 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser 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.
#
# qutebrowser 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 qutebrowser.  If not, see <http://www.gnu.org/licenses/>.

"""TabIndex displayed in the statusbar."""

from PyQt5.QtCore import pyqtSlot

from qutebrowser.mainwindow.statusbar import textbase


class TabIndex(textbase.TextBase):

    """Shows current tab index and number of tabs in the statusbar."""

    @pyqtSlot(int, int)
    def on_tab_index_changed(self, current, count):
        """Update tab index when tab changed."""
        self.setText('[{}/{}]'.format(current + 1, count))
