From 98c874503e14b40896a63ea36b86d39edccb8b30 Mon Sep 17 00:00:00 2001 From: Ivan Alejandro Date: Thu, 4 Sep 2014 13:06:56 -0300 Subject: Refactor login usage. - factor out the signal tracking code as a helper class, - move login logic from MainWindow to LoginWidget, - add new signals to the LoginWidget to interact with MainWindow, - add login sequence docs to LoginWidget class, - improve docs for login methods, - add LoginState class to handle login states, - disable login button until data is entered, - move some properties and actions to .ui file. --- src/leap/bitmask/gui/signaltracker.py | 55 +++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 src/leap/bitmask/gui/signaltracker.py (limited to 'src/leap/bitmask/gui/signaltracker.py') diff --git a/src/leap/bitmask/gui/signaltracker.py b/src/leap/bitmask/gui/signaltracker.py new file mode 100644 index 00000000..4884334d --- /dev/null +++ b/src/leap/bitmask/gui/signaltracker.py @@ -0,0 +1,55 @@ +# -*- coding: utf-8 -*- +# signaltracker.py +# Copyright (C) 2013 LEAP +# +# 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 . + +from PySide import QtCore + + +class SignalTracker(QtCore.QObject): + """ + A class meant to be inherited from that helps to do the Qt connect and keep + track of the connections made, allowing to disconnect those tracked signals + as well. + """ + def __init__(self): + # this list contains the connected signals that we want to keep track. + # each item of the list is a: + # tuple of (Qt signal, callable or Qt slot or Qt signal) + self._connected_signals = [] + + def connect_and_track(self, signal, method): + """ + Connect the signal and keep track of it. + + :param signal: the signal to connect to. + :type signal: QtCore.Signal + :param method: the method to call when the signal is triggered. + :type method: callable, Slot or Signal + """ + self._connected_signals.append((signal, method)) + signal.connect(method) + + def disconnect_and_untrack(self): + """ + Disconnect all the tracked signals. + """ + for signal, method in self._connected_signals: + try: + signal.disconnect(method) + except RuntimeError: + pass # Signal was not connected + + self._connected_signals = [] -- cgit v1.2.3