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qt 6.5.1 original

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kleuter
2023-10-29 23:33:08 +01:00
parent 71d22ab6b0
commit 85d238dfda
21202 changed files with 5499099 additions and 0 deletions
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14
examples/dbus/CMakeLists.txt Normal file
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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
if(NOT TARGET Qt6::DBus)
return()
endif()
qt_internal_add_example(pingpong)
if(QT_FEATURE_process)
qt_internal_add_example(complexpingpong)
endif()
if(TARGET Qt6::Widgets)
qt_internal_add_example(chat)
qt_internal_add_example(remotecontrolledcar)
endif()

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examples/dbus/chat/CMakeLists.txt Normal file
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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
cmake_minimum_required(VERSION 3.16)
project(chat LANGUAGES CXX)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
if(NOT DEFINED INSTALL_EXAMPLESDIR)
set(INSTALL_EXAMPLESDIR "examples")
endif()
set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/dbus/chat")
find_package(Qt6 REQUIRED COMPONENTS Core DBus Gui Widgets)
qt_standard_project_setup()
set(chat_SRCS)
qt_add_dbus_interface(chat_SRCS
org.example.chat.xml
chat_interface
)
qt_add_dbus_adaptor(chat_SRCS
org.example.chat.xml
qobject.h
QObject
chat_adaptor
)
qt_add_executable(chat
chat.cpp chat.h
chatmainwindow.ui
${chat_SRCS}
)
set_target_properties(chat PROPERTIES
WIN32_EXECUTABLE TRUE
MACOSX_BUNDLE TRUE
)
target_link_libraries(chat PRIVATE
Qt6::Core
Qt6::DBus
Qt6::Gui
Qt6::Widgets
)
install(TARGETS chat
RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
)

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examples/dbus/chat/chat.cpp Normal file
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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QApplication>
#include <QInputDialog>
#include <QMessageBox>
#include "chat.h"
#include "chat_adaptor.h"
#include "chat_interface.h"
ChatMainWindow::ChatMainWindow()
{
setupUi(this);
connect(messageLineEdit, &QLineEdit::textChanged, this,
[this](const QString &newText) { sendButton->setEnabled(!newText.isEmpty()); });
connect(sendButton, &QPushButton::clicked, this, [this]() {
emit message(m_nickname, messageLineEdit->text());
messageLineEdit->clear();
});
connect(actionChangeNickname, &QAction::triggered,
this, &ChatMainWindow::changeNickname);
connect(actionAboutQt, &QAction::triggered, this, [this]() { QMessageBox::aboutQt(this); });
connect(qApp, &QApplication::lastWindowClosed, this,
[this]() { emit action(m_nickname, tr("leaves the chat")); });
// add our D-Bus interface and connect to D-Bus
new ChatAdaptor(this);
auto connection = QDBusConnection::sessionBus();
connection.registerObject("/", this);
using org::example::chat;
auto *iface = new chat({}, {}, connection, this);
connect(iface, &chat::message, this, [this](const QString &nickname, const QString &text) {
displayMessage(tr("<%1> %2").arg(nickname, text));
});
connect(iface, &chat::action, this, [this](const QString &nickname, const QString &text) {
displayMessage(tr("* %1 %2").arg(nickname, text));
});
if (!changeNickname(true))
QMetaObject::invokeMethod(qApp, &QApplication::quit, Qt::QueuedConnection);
}
void ChatMainWindow::displayMessage(const QString &message)
{
m_messages.append(message);
if (m_messages.count() > 100)
m_messages.removeFirst();
auto history = m_messages.join(QLatin1String("\n"));
chatHistory->setPlainText(history);
}
bool ChatMainWindow::changeNickname(bool initial)
{
auto newNickname = QInputDialog::getText(this, tr("Set nickname"), tr("New nickname:"));
newNickname = newNickname.trimmed();
if (!newNickname.isEmpty()) {
auto old = m_nickname;
m_nickname = newNickname;
if (initial)
emit action(m_nickname, tr("joins the chat"));
else
emit action(old, tr("is now known as %1").arg(m_nickname));
return true;
}
return false;
}
int main(int argc, char **argv)
{
QApplication app(argc, argv);
if (!QDBusConnection::sessionBus().isConnected()) {
qWarning("Cannot connect to the D-Bus session bus.\n"
"Please check your system settings and try again.\n");
return 1;
}
ChatMainWindow chat;
chat.show();
return app.exec();
}

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examples/dbus/chat/chat.h Normal file
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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef CHAT_H
#define CHAT_H
#include <QStringList>
#include "ui_chatmainwindow.h"
class ChatMainWindow: public QMainWindow, Ui::ChatMainWindow
{
Q_OBJECT
QString m_nickname;
QStringList m_messages;
public:
ChatMainWindow();
private:
void displayMessage(const QString &message);
signals:
void message(const QString &nickname, const QString &text);
void action(const QString &nickname, const QString &text);
private slots:
bool changeNickname(bool initial = false);
};
#endif // CHAT_H

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examples/dbus/chat/chat.pro Normal file
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QT += dbus widgets
HEADERS += chat.h
SOURCES += chat.cpp
FORMS += chatmainwindow.ui
DBUS_ADAPTORS += org.example.chat.xml
DBUS_INTERFACES += org.example.chat.xml
CONFIG += no_batch # work around QTBUG-96513
# install
target.path = $$[QT_INSTALL_EXAMPLES]/dbus/chat
INSTALLS += target

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examples/dbus/chat/chatmainwindow.ui Normal file
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<ui version="4.0" >
<author></author>
<comment></comment>
<exportmacro></exportmacro>
<class>ChatMainWindow</class>
<widget class="QMainWindow" name="ChatMainWindow" >
<property name="geometry" >
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>600</height>
</rect>
</property>
<property name="windowTitle" >
<string>Qt D-Bus Chat</string>
</property>
<widget class="QWidget" name="centralwidget" >
<layout class="QHBoxLayout" >
<property name="margin" >
<number>9</number>
</property>
<property name="spacing" >
<number>6</number>
</property>
<item>
<layout class="QVBoxLayout" >
<property name="margin" >
<number>0</number>
</property>
<property name="spacing" >
<number>6</number>
</property>
<item>
<widget class="QTextBrowser" name="chatHistory" >
<property name="acceptDrops" >
<bool>false</bool>
</property>
<property name="toolTip" >
<string>Messages sent and received from other users</string>
</property>
<property name="acceptRichText" >
<bool>true</bool>
</property>
</widget>
</item>
<item>
<layout class="QHBoxLayout" >
<property name="margin" >
<number>0</number>
</property>
<property name="spacing" >
<number>6</number>
</property>
<item>
<widget class="QLabel" name="label" >
<property name="text" >
<string>Message:</string>
</property>
<property name="buddy" >
<cstring>messageLineEdit</cstring>
</property>
</widget>
</item>
<item>
<widget class="QLineEdit" name="messageLineEdit" />
</item>
<item>
<widget class="QPushButton" name="sendButton" >
<property name="sizePolicy" >
<sizepolicy>
<hsizetype>1</hsizetype>
<vsizetype>0</vsizetype>
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="toolTip" >
<string>Sends a message to other people</string>
</property>
<property name="whatsThis" >
<string/>
</property>
<property name="text" >
<string>Send</string>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</item>
</layout>
</widget>
<widget class="QMenuBar" name="menubar" >
<property name="geometry" >
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>31</height>
</rect>
</property>
<widget class="QMenu" name="menuQuit" >
<property name="title" >
<string>Help</string>
</property>
<addaction name="actionAboutQt" />
</widget>
<widget class="QMenu" name="menuFile" >
<property name="title" >
<string>File</string>
</property>
<addaction name="actionChangeNickname" />
<addaction name="separator" />
<addaction name="actionQuit" />
</widget>
<addaction name="menuFile" />
<addaction name="menuQuit" />
</widget>
<widget class="QStatusBar" name="statusbar" />
<action name="actionQuit" >
<property name="text" >
<string>Quit</string>
</property>
<property name="shortcut" >
<string>Ctrl+Q</string>
</property>
</action>
<action name="actionAboutQt" >
<property name="text" >
<string>About Qt...</string>
</property>
</action>
<action name="actionChangeNickname" >
<property name="text" >
<string>Change nickname...</string>
</property>
<property name="shortcut" >
<string>Ctrl+N</string>
</property>
</action>
</widget>
<pixmapfunction></pixmapfunction>
<tabstops>
<tabstop>chatHistory</tabstop>
<tabstop>messageLineEdit</tabstop>
<tabstop>sendButton</tabstop>
</tabstops>
<resources/>
<connections>
<connection>
<sender>messageLineEdit</sender>
<signal>returnPressed()</signal>
<receiver>sendButton</receiver>
<slot>animateClick()</slot>
<hints>
<hint type="sourcelabel" >
<x>299</x>
<y>554</y>
</hint>
<hint type="destinationlabel" >
<x>744</x>
<y>551</y>
</hint>
</hints>
</connection>
<connection>
<sender>actionQuit</sender>
<signal>triggered(bool)</signal>
<receiver>ChatMainWindow</receiver>
<slot>close()</slot>
<hints>
<hint type="sourcelabel" >
<x>-1</x>
<y>-1</y>
</hint>
<hint type="destinationlabel" >
<x>399</x>
<y>299</y>
</hint>
</hints>
</connection>
</connections>
</ui>

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<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
<node>
<interface name="org.example.chat">
<signal name="message">
<arg name="nickname" type="s" direction="out"/>
<arg name="text" type="s" direction="out"/>
</signal>
<signal name="action">
<arg name="nickname" type="s" direction="out"/>
<arg name="text" type="s" direction="out"/>
</signal>
</interface>
</node>

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examples/dbus/complexpingpong/CMakeLists.txt Normal file
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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
cmake_minimum_required(VERSION 3.16)
project(complexpingpong LANGUAGES CXX)
if(NOT DEFINED INSTALL_EXAMPLESDIR)
set(INSTALL_EXAMPLESDIR "examples")
endif()
set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/dbus/complexpingpong")
find_package(Qt6 REQUIRED COMPONENTS Core DBus)
qt_standard_project_setup()
qt_add_executable(complexping
complexping.cpp complexping.h
ping-common.h
)
target_link_libraries(complexping PRIVATE
Qt6::Core
Qt6::DBus
)
qt_add_executable(complexpong
complexpong.cpp complexpong.h
)
target_link_libraries(complexpong PRIVATE
Qt6::Core
Qt6::DBus
)
install(TARGETS complexping complexpong
RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
)

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "ping-common.h"
#include "complexping.h"
#include <QCoreApplication>
#include <QDBusInterface>
#include <QDBusReply>
#include <QDBusServiceWatcher>
#include <QDebug>
#include <QProcess>
#include <iostream>
#include <string>
void Ping::start(const QString &name)
{
if (name != SERVICE_NAME)
return;
auto connection = QDBusConnection::sessionBus();
// find our remote
auto iface = new QDBusInterface(SERVICE_NAME, "/", "org.example.QtDBus.ComplexPong.Pong",
connection, this);
if (!iface->isValid()) {
qWarning().noquote() << connection.lastError().message();
QCoreApplication::instance()->quit();
}
connect(iface, SIGNAL(aboutToQuit()), QCoreApplication::instance(), SLOT(quit()));
std::string s;
while (true) {
std::cout << qPrintable(tr("Ask your question: ")) << std::flush;
std::getline(std::cin, s);
auto line = QString::fromStdString(s).trimmed();
if (line.isEmpty()) {
iface->call("quit");
return;
} else if (line == "value") {
QVariant reply = iface->property("value");
if (!reply.isNull())
std::cout << "value = " << qPrintable(reply.toString()) << std::endl;
} else if (line.startsWith("value=")) {
iface->setProperty("value", line.mid(6));
} else {
QDBusReply<QDBusVariant> reply = iface->call("query", line);
if (reply.isValid()) {
std::cout << qPrintable(tr("Reply was: %1").arg(reply.value().variant().toString()))
<< std::endl;
}
}
if (iface->lastError().isValid())
qWarning().noquote() << tr("Call failed: %1").arg(iface->lastError().message());
}
}
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
if (!QDBusConnection::sessionBus().isConnected()) {
qWarning().noquote() << QCoreApplication::translate(
"complexping",
"Cannot connect to the D-Bus session bus.\n"
"To start it, run:\n"
"\teval `dbus-launch --auto-syntax`");
return 1;
}
QDBusServiceWatcher serviceWatcher(SERVICE_NAME, QDBusConnection::sessionBus(),
QDBusServiceWatcher::WatchForRegistration);
Ping ping;
QObject::connect(&serviceWatcher, &QDBusServiceWatcher::serviceRegistered,
&ping, &Ping::start);
QProcess pong;
pong.start("./complexpong");
app.exec();
}

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef COMPLEXPING_H
#define COMPLEXPING_H
#include <QtCore/QObject>
class Ping : public QObject
{
Q_OBJECT
public slots:
void start(const QString &name);
};
#endif

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QT -= gui
QT += dbus
HEADERS += complexping.h ping-common.h
SOURCES += complexping.cpp
target.path = $$[QT_INSTALL_EXAMPLES]/dbus/complexpingpong
INSTALLS += target

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examples/dbus/complexpingpong/complexpingpong.pro Normal file
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TEMPLATE = subdirs
win32:CONFIG += console
SUBDIRS = complexping.pro complexpong.pro

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "ping-common.h"
#include "complexpong.h"
#include <QCoreApplication>
#include <QDBusConnection>
#include <QDBusError>
#include <QDebug>
QString Pong::value() const
{
return m_value;
}
void Pong::setValue(const QString &newValue)
{
m_value = newValue;
}
void Pong::quit()
{
QMetaObject::invokeMethod(QCoreApplication::instance(), &QCoreApplication::quit,
Qt::QueuedConnection);
}
QDBusVariant Pong::query(const QString &query)
{
QString q = query.toLower();
if (q == "hello")
return QDBusVariant("World");
if (q == "ping")
return QDBusVariant("Pong");
if (q.indexOf("the answer to life, the universe and everything") != -1)
return QDBusVariant(42);
if (q.indexOf("unladen swallow") != -1) {
if (q.indexOf("european") != -1)
return QDBusVariant(11.0);
return QDBusVariant(QByteArray("african or european?"));
}
return QDBusVariant("Sorry, I don't know the answer");
}
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
QObject obj;
Pong *pong = new Pong(&obj);
QObject::connect(&app, &QCoreApplication::aboutToQuit, pong, &Pong::aboutToQuit);
pong->setProperty("value", "initial value");
auto connection = QDBusConnection::sessionBus();
connection.registerObject("/", &obj);
if (!connection.registerService(SERVICE_NAME)) {
qWarning().noquote() << connection.lastError().message();
return 1;
}
app.exec();
return 0;
}

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examples/dbus/complexpingpong/complexpong.h Normal file
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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef COMPLEXPONG_H
#define COMPLEXPONG_H
#include <QtCore/QObject>
#include <QtDBus/QDBusAbstractAdaptor>
#include <QtDBus/QDBusVariant>
class Pong : public QDBusAbstractAdaptor
{
Q_OBJECT
Q_CLASSINFO("D-Bus Interface", "org.example.QtDBus.ComplexPong.Pong")
Q_PROPERTY(QString value READ value WRITE setValue)
public:
QString value() const;
void setValue(const QString &newValue);
Pong(QObject *obj) : QDBusAbstractAdaptor(obj) { }
signals:
void aboutToQuit();
public slots:
QDBusVariant query(const QString &query);
Q_NOREPLY void quit();
private:
QString m_value;
};
#endif

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examples/dbus/complexpingpong/complexpong.pro Normal file
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QT -= gui
QT += dbus
HEADERS += complexpong.h
SOURCES += complexpong.cpp
target.path = $$[QT_INSTALL_EXAMPLES]/dbus/complexpingpong
INSTALLS += target

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examples/dbus/complexpingpong/ping-common.h Normal file
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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#define SERVICE_NAME "org.example.QtDBus.PingExample"

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examples/dbus/dbus.pro Normal file
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requires(qtHaveModule(dbus))
TEMPLATE = subdirs
SUBDIRS = pingpong
qtConfig(process): SUBDIRS += complexpingpong
qtHaveModule(widgets) {
SUBDIRS += chat \
remotecontrolledcar
}

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
/*!
\example chat
\title D-Bus Chat
\ingroup examples-dbus
\brief Demonstrates communication among instances of an application.
\e Chat is a \l{Qt D-Bus} example which demonstrates a simple chat system
among instances of an application. Users connect and send message to
each other.
\image dbus-chat-example.webp
\include examples-run.qdocinc
*/

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
/*!
\example complexpingpong
\title D-Bus Complex Ping Pong
\ingroup examples-dbus
\brief Demonstrates usage of the Qt D-Bus typesystem.
\e{Complex Ping Pong} example demonstrates the use of \l{Qt D-Bus}
typesystem with QDBusVariant and QDBusReply. The example consists of the
main application \c complexping which starts the other application, \c
complexpong. Entering keywords such as \c hello and \c ping is handled by
complexpong and the reply is printed to the standard output.
\include examples-run.qdocinc
To run, execute the \c complexping application.
\badcode
$ ./complexping
Ask your question: When is the next Qt release?
Reply was: Sorry, I don't know the answer
Ask your question: What is the answer to life, the universe and everything?
Reply was: 42
\endcode
*/

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
/*!
\example pingpong
\title D-Bus Ping Pong
\ingroup examples-dbus
\brief Demonstrates a simple message system using D-Bus.
\e{Ping Pong} is a command-line example that demonstrates the basics of
\l{Qt D-Bus}. A message is sent to another application and there is a
confirmation of the message.
\include examples-run.qdocinc
Run the \c pong application and run the \c ping application with the message
as the argument.
\badcode
$ ./pong &
$ ./ping Hello
Reply was: ping("Hello") got called
\endcode
*/

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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
cmake_minimum_required(VERSION 3.16)
project(pingpong LANGUAGES CXX)
if(NOT DEFINED INSTALL_EXAMPLESDIR)
set(INSTALL_EXAMPLESDIR "examples")
endif()
set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/dbus/pingpong")
find_package(Qt6 REQUIRED COMPONENTS Core DBus)
qt_standard_project_setup()
qt_add_executable(ping
ping.cpp
ping-common.h
)
target_link_libraries(ping PRIVATE
Qt6::Core
Qt6::DBus
)
qt_add_executable(pong
ping-common.h
pong.cpp
)
target_link_libraries(pong PRIVATE
Qt6::Core
Qt6::DBus
)
install(TARGETS ping pong
RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
)

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#define SERVICE_NAME "org.example.QtDBus.PingExample"

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "ping-common.h"
#include <QCoreApplication>
#include <QDBusConnection>
#include <QDBusInterface>
#include <QDBusReply>
#include <iostream>
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
auto connection = QDBusConnection::sessionBus();
if (!connection.isConnected()) {
qWarning("Cannot connect to the D-Bus session bus.\n"
"To start it, run:\n"
"\teval `dbus-launch --auto-syntax`\n");
return 1;
}
QDBusInterface iface(SERVICE_NAME, "/");
if (iface.isValid()) {
QDBusReply<QString> reply = iface.call("ping", argc > 1 ? argv[1] : "");
if (reply.isValid()) {
std::cout << "Reply was: " << qPrintable(reply.value()) << std::endl;
return 0;
}
qWarning("Call failed: %s\n", qPrintable(reply.error().message()));
return 1;
}
qWarning("%s\n", qPrintable(connection.lastError().message()));
return 1;
}

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QT -= gui
QT += dbus
HEADERS += ping-common.h
SOURCES += ping.cpp
target.path = $$[QT_INSTALL_EXAMPLES]/dbus/pingpong
INSTALLS += target

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TEMPLATE = subdirs
win32:CONFIG += console
SUBDIRS = ping.pro pong.pro

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "ping-common.h"
#include <QObject>
#include <QCoreApplication>
#include <QDBusConnection>
#include <QDBusError>
class Pong : public QObject
{
Q_OBJECT
public slots:
QString ping(const QString &arg);
};
QString Pong::ping(const QString &arg)
{
QMetaObject::invokeMethod(QCoreApplication::instance(), &QCoreApplication::quit);
return QString("ping(\"%1\") got called").arg(arg);
}
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
auto connection = QDBusConnection::sessionBus();
if (!connection.isConnected()) {
qWarning("Cannot connect to the D-Bus session bus.\n"
"To start it, run:\n"
"\teval `dbus-launch --auto-syntax`\n");
return 1;
}
if (!connection.registerService(SERVICE_NAME)) {
qWarning("%s\n", qPrintable(connection.lastError().message()));
exit(1);
}
Pong pong;
connection.registerObject("/", &pong, QDBusConnection::ExportAllSlots);
app.exec();
return 0;
}
#include "pong.moc"

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QT -= gui
QT += dbus
HEADERS += ping-common.h
SOURCES += pong.cpp
target.path = $$[QT_INSTALL_EXAMPLES]/dbus/pingpong
INSTALLS += target

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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
cmake_minimum_required(VERSION 3.16)
project(remotecontrolledcar LANGUAGES CXX)
find_package(Qt6 REQUIRED COMPONENTS Core DBus Gui Widgets)
qt_standard_project_setup()
add_subdirectory(car)
add_subdirectory(controller)

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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
set(CMAKE_INCLUDE_CURRENT_DIR ON)
if(NOT DEFINED INSTALL_EXAMPLESDIR)
set(INSTALL_EXAMPLESDIR "examples")
endif()
set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/dbus/remotecontrolledcar/car")
set(car_SRCS)
qt_add_dbus_adaptor(car_SRCS
../common/car.xml
qobject.h
"" # empty parent_class value on purpose to not pass -l flag
car_adaptor
)
qt_add_executable(car
car.cpp car.h
main.cpp
${car_SRCS}
)
set_target_properties(car PROPERTIES
WIN32_EXECUTABLE TRUE
MACOSX_BUNDLE TRUE
)
target_link_libraries(car PRIVATE
Qt6::Core
Qt6::DBus
Qt6::Gui
Qt6::Widgets
)
install(TARGETS car
RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
)

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "car.h"
#include <QtWidgets/QtWidgets>
#include <cmath>
QRectF Car::boundingRect() const
{
return QRectF(-35, -81, 70, 115);
}
Car::Car()
{
startTimer(1000 / 33);
setFlags(ItemIsMovable | ItemIsFocusable);
}
void Car::accelerate()
{
if (speed < 10)
++speed;
}
void Car::decelerate()
{
if (speed > -10)
--speed;
}
void Car::turnLeft()
{
if (wheelsAngle > -30)
wheelsAngle -= 5;
}
void Car::turnRight()
{
if (wheelsAngle < 30)
wheelsAngle += 5;
}
void Car::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
painter->setBrush(Qt::gray);
painter->drawRect(-20, -58, 40, 2); // front axel
painter->drawRect(-20, 7, 40, 2); // rear axel
painter->setBrush(color);
painter->drawRect(-25, -79, 50, 10); // front wing
painter->drawEllipse(-25, -48, 50, 20); // side pods
painter->drawRect(-25, -38, 50, 35); // side pods
painter->drawRect(-5, 9, 10, 10); // back pod
painter->drawEllipse(-10, -81, 20, 100); // main body
painter->drawRect(-17, 19, 34, 15); // rear wing
painter->setBrush(Qt::black);
painter->drawPie(-5, -51, 10, 15, 0, 180 * 16);
painter->drawRect(-5, -44, 10, 10); // cocpit
painter->save();
painter->translate(-20, -58);
painter->rotate(wheelsAngle);
painter->drawRect(-10, -7, 10, 15); // front left
painter->restore();
painter->save();
painter->translate(20, -58);
painter->rotate(wheelsAngle);
painter->drawRect(0, -7, 10, 15); // front left
painter->restore();
painter->drawRect(-30, 0, 12, 17); // rear left
painter->drawRect(19, 0, 12, 17); // rear right
}
void Car::timerEvent(QTimerEvent *event)
{
Q_UNUSED(event);
const qreal axelDistance = 54;
qreal wheelsAngleRads = qDegreesToRadians(wheelsAngle);
qreal turnDistance = std::cos(wheelsAngleRads) * axelDistance * 2;
qreal turnRateRads = wheelsAngleRads / turnDistance; // rough estimate
qreal turnRate = qRadiansToDegrees(turnRateRads);
qreal rotation = speed * turnRate;
setTransform(QTransform().rotate(rotation), true);
setTransform(QTransform::fromTranslate(0, -speed), true);
update();
}

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef CAR_H
#define CAR_H
#include <QGraphicsObject>
#include <QBrush>
class Car : public QGraphicsObject
{
Q_OBJECT
public:
Car();
QRectF boundingRect() const override;
public slots:
void accelerate();
void decelerate();
void turnLeft();
void turnRight();
protected:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = nullptr) override;
void timerEvent(QTimerEvent *event) override;
private:
QBrush color = Qt::green;
qreal wheelsAngle = 0; // used when applying rotation
qreal speed = 0; // delta movement along the body axis
};
#endif // CAR_H

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QT += dbus widgets
DBUS_ADAPTORS += ../common/car.xml
HEADERS += car.h
SOURCES += car.cpp main.cpp
CONFIG += no_batch # work around QTBUG-96513
# install
target.path = $$[QT_INSTALL_EXAMPLES]/dbus/remotecontrolledcar/car
INSTALLS += target

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "car.h"
#include "car_adaptor.h"
#include <QtWidgets/QApplication>
#include <QtWidgets/QGraphicsView>
#include <QtWidgets/QGraphicsScene>
#include <QtDBus/QDBusConnection>
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QGraphicsScene scene;
scene.setSceneRect(-500, -500, 1000, 1000);
scene.setItemIndexMethod(QGraphicsScene::NoIndex);
auto car = new Car();
scene.addItem(car);
QGraphicsView view(&scene);
view.setRenderHint(QPainter::Antialiasing);
view.setBackgroundBrush(Qt::darkGray);
view.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Qt DBus Controlled Car"));
view.resize(400, 300);
view.show();
new CarInterfaceAdaptor(car);
auto connection = QDBusConnection::sessionBus();
connection.registerObject("/Car", car);
connection.registerService("org.example.CarExample");
return app.exec();
}

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<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
<node name="/com/trollech/examples/car">
<interface name="org.example.Examples.CarInterface">
<method name="accelerate"/>
<method name="decelerate"/>
<method name="turnLeft"/>
<method name="turnRight"/>
</interface>
</node>

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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
set(CMAKE_INCLUDE_CURRENT_DIR ON)
if(NOT DEFINED INSTALL_EXAMPLESDIR)
set(INSTALL_EXAMPLESDIR "examples")
endif()
set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/dbus/remotecontrolledcar/controller")
set(controller_SRCS)
qt_add_dbus_interface(controller_SRCS
../common/car.xml
car_interface
)
qt_add_executable(controller
controller.cpp controller.h controller.ui
main.cpp
${controller_SRCS}
)
set_target_properties(controller PROPERTIES
WIN32_EXECUTABLE TRUE
MACOSX_BUNDLE TRUE
)
target_link_libraries(controller PRIVATE
Qt6::Core
Qt6::DBus
Qt6::Gui
Qt6::Widgets
)
install(TARGETS controller
RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
)

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "controller.h"
using org::example::Examples::CarInterface;
Controller::Controller(QWidget *parent) : QWidget(parent)
{
ui.setupUi(this);
car = new CarInterface("org.example.CarExample", "/Car", QDBusConnection::sessionBus(), this);
connect(ui.accelerate, &QPushButton::clicked, car, &CarInterface::accelerate);
connect(ui.decelerate, &QPushButton::clicked, car, &CarInterface::decelerate);
connect(ui.left, &QPushButton::clicked, car, &CarInterface::turnLeft);
connect(ui.right, &QPushButton::clicked, car, &CarInterface::turnRight);
startTimer(1000);
}
void Controller::timerEvent(QTimerEvent *event)
{
Q_UNUSED(event);
ui.label->setText(car->isValid() ? tr("connected") : tr("disconnected"));
}

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef CONTROLLER_H
#define CONTROLLER_H
#include "ui_controller.h"
#include "car_interface.h"
class Controller : public QWidget
{
Q_OBJECT
public:
explicit Controller(QWidget *parent = nullptr);
protected:
void timerEvent(QTimerEvent *event) override;
private:
Ui::Controller ui;
org::example::Examples::CarInterface *car;
};
#endif

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QT += dbus widgets
DBUS_INTERFACES += ../common/car.xml
FORMS += controller.ui
HEADERS += controller.h
SOURCES += main.cpp controller.cpp
# Work-around CI issue. Not needed in user code.
CONFIG += no_batch
# install
target.path = $$[QT_INSTALL_EXAMPLES]/dbus/remotecontrolledcar/controller
INSTALLS += target

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<ui version="4.0" >
<class>Controller</class>
<widget class="QWidget" name="Controller" >
<property name="geometry" >
<rect>
<x>0</x>
<y>0</y>
<width>255</width>
<height>111</height>
</rect>
</property>
<property name="windowTitle" >
<string>Controller</string>
</property>
<layout class="QGridLayout" >
<property name="margin" >
<number>9</number>
</property>
<property name="spacing" >
<number>6</number>
</property>
<item row="1" column="1" >
<widget class="QLabel" name="label" >
<property name="text" >
<string>Controller</string>
</property>
<property name="alignment" >
<set>Qt::AlignCenter</set>
</property>
</widget>
</item>
<item row="2" column="1" >
<widget class="QPushButton" name="decelerate" >
<property name="text" >
<string>Decelerate</string>
</property>
</widget>
</item>
<item row="0" column="1" >
<widget class="QPushButton" name="accelerate" >
<property name="text" >
<string>Accelerate</string>
</property>
</widget>
</item>
<item row="1" column="2" >
<widget class="QPushButton" name="right" >
<property name="text" >
<string>Right</string>
</property>
</widget>
</item>
<item row="1" column="0" >
<widget class="QPushButton" name="left" >
<property name="text" >
<string>Left</string>
</property>
</widget>
</item>
</layout>
</widget>
<resources/>
<connections/>
</ui>

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtWidgets>
#include "controller.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Controller controller;
controller.show();
return app.exec();
}

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
/*!
\example remotecontrolledcar
\title D-Bus Remote Controlled Car
\ingroup examples-dbus
\brief Shows how to use Qt D-Bus to control a car from another application.
The Remote Controlled Car example shows how to use \l{Qt D-Bus} to control
one application from another.
\image remotecontrolledcar-car-example.webp
\include examples-run.qdocinc
*/

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TEMPLATE = subdirs
SUBDIRS = car \
controller