// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #include "controller.h" #include #include using org::example::Examples::CarInterface; Controller::Controller(QWidget *parent) : QWidget(parent) { car = new CarInterface("org.example.CarExample", "/Car", QDBusConnection::sessionBus(), this); accelerate = new QPushButton(QIcon(":up.svg"), "", this); accelerate->setFixedSize(80, 64); accelerate->setIconSize(QSize(44, 44)); decelerate = new QPushButton(QIcon(":down.svg"), "", this); decelerate->setFixedSize(80, 64); decelerate->setIconSize(QSize(44, 44)); left = new QPushButton(QIcon(":left.svg"), "", this); left->setFixedSize(64, 80); left->setIconSize(QSize(44, 44)); right = new QPushButton(QIcon(":right.svg"), "", this); right->setFixedSize(64, 80); right->setIconSize(QSize(44, 44)); status = new QLabel(this); statusSymbol = new QLabel(this); statusSymbol->setFixedHeight(24); QGridLayout *layout = new QGridLayout(this); layout->addWidget(accelerate, 1, 1); layout->addWidget(left, 2, 0); layout->addWidget(right, 2, 2); layout->addWidget(decelerate, 3, 1); QHBoxLayout *statusLayout = new QHBoxLayout(); statusLayout->addWidget(status); statusLayout->addWidget(statusSymbol); layout->addLayout(statusLayout, 0, 1, 1, 2, Qt::AlignTop | Qt::AlignRight); connect(accelerate, &QPushButton::clicked, car, &CarInterface::accelerate); connect(decelerate, &QPushButton::clicked, car, &CarInterface::decelerate); connect(left, &QPushButton::clicked, car, &CarInterface::turnLeft); connect(right, &QPushButton::clicked, car, &CarInterface::turnRight); startTimer(1000); } void Controller::timerEvent(QTimerEvent *event) { Q_UNUSED(event); static QPixmap connectedIcon = QPixmap::fromImage(QImage(":connected.svg")); static QPixmap connectingIcon = QPixmap::fromImage(QImage(":connecting.svg")); status->setText(car->isValid() ? tr("connected") : tr("searching...")); statusSymbol->setPixmap(car->isValid() ? connectedIcon : connectingIcon); }