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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2013 Riverbank Computing Limited.
## Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
## All rights reserved.
##
## This file is part of the examples of PyQt.
##
## $QT_BEGIN_LICENSE:BSD$
## You may use this file under the terms of the BSD license as follows:
##
## "Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are
## met:
## * Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## * Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
## * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
## the names of its contributors may be used to endorse or promote
## products derived from this software without specific prior written
## permission.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
## $QT_END_LICENSE$
##
#############################################################################
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtDBus import QDBusAbstractInterface, QDBusConnection
from ui_controller import Ui_Controller
class CarInterface(QDBusAbstractInterface):
def __init__(self, service, path, connection, parent=None):
super(CarInterface, self).__init__(service, path,
'org.example.Examples.CarInterface', connection, parent)
def accelerate(self):
self.asyncCall('accelerate')
def decelerate(self):
self.asyncCall('decelerate')
def turnLeft(self):
self.asyncCall('turnLeft')
def turnRight(self):
self.asyncCall('turnRight')
class Controller(QWidget):
def __init__(self, parent=None):
super(Controller, self).__init__(parent)
self.ui = Ui_Controller()
self.ui.setupUi(self)
self.car = CarInterface('org.example.CarExample', '/Car',
QDBusConnection.sessionBus(), self)
self.startTimer(1000)
def timerEvent(self, event):
if self.car.isValid():
self.ui.label.setText("connected")
else:
self.ui.label.setText("disconnected")
def on_accelerate_clicked(self):
self.car.accelerate()
def on_decelerate_clicked(self):
self.car.decelerate()
def on_left_clicked(self):
self.car.turnLeft()
def on_right_clicked(self):
self.car.turnRight()
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
controller = Controller()
controller.show()
sys.exit(app.exec_())
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