d- bus 통신 예제 입니다.
작은 창이 Send 이며
보낸 데이터는 큰창이 받아 출력하고 있습니다.
viewer
Profile 추가 내용
DBUS_ADAPTORS += org.test.xml
DBUS_INTERFACES += org.test.xml
viewer.h
#ifndef VIEWER_H
#define VIEWER_H
#include
class Viewer : public QObject
{
Q_OBJECT
Q_PROPERTY(int number READ number NOTIFY numberChanged)
signals:
void onchanged();
void numberChanged(int n);
public:
Viewer(QObject *parent = 0);
int number();
public slots:
void getNumber(int number);
private:
int getnumber = 0;
};
#endif // VIEWER_H
viewer.cpp
#include "viewer.h"
#include
#include
#include "chat_adaptor.h"
#include "chat_interface.h"
Viewer::Viewer(QObject *parent)
{
QDBusConnection::sessionBus().registerObject("/", parent);
org::example::chat *iface;
iface = new org::example::chat(QString(), QString(), QDBusConnection::sessionBus(), parent);
connect(iface, SIGNAL(message(int)), this, SLOT(getNumber(int)));
}
void Viewer::getNumber(int number)
{
getnumber = number;
qDebug() << "getnumber :" << getnumber;
emit numberChanged(number);
}
int Viewer::number()
{
return getnumber;
}
main.cpp
#include
#include
#include
#include
#include "viewer.h"
int main(int argc, char *argv[])
{
QGuiApplication app(argc, argv);
QQmlApplicationEngine engine;
engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
Viewer viewer(app.focusObject());
engine.rootContext()->setContextProperty("mw", &viewer);
return app.exec();
}
main.qml
import QtQuick 2.3
import QtQuick.Controls 1.2
ApplicationWindow {
visible: true
width: 640
height: 480
title: qsTr("Hello World")
Label {
id: lablel
text: mw.number;
anchors.centerIn: parent
}
}
Data send
send.h
#ifndef SEND_H
#define SEND_H
#include
#include
#include
class WorkerThread : public QThread
{
Q_OBJECT
void run();
};
class SEND :public QObject
{
Q_OBJECT
Q_PROPERTY(int number READ number NOTIFY numberChanged)
signals:
void numberChanged();
public:
explicit SEND(QObject *parent = 0);
void careateRandomNumber();
void send();
// void dbusConnection();
int number();
public slots:
int randnumber();
void update();
private:
int rand;
QDBusMessage msg;
};
#endif // SEND_H
send.cpp
#include
#include
#include
#include "send.h"
SEND::SEND(QObject *parent)
{
careateRandomNumber();
QTimer *timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(update()));
timer->start(1000);
// WorkerThread t;
// t.start();
}
void SEND::careateRandomNumber()
{
QTime now = QTime::currentTime();
qsrand(now.msec());
rand = qrand();
}
void SEND::send()
{
careateRandomNumber();
if (QDBusConnection::sessionBus().isConnected()) {
msg = QDBusMessage::createSignal("/", "org.example.chat", "message");
qDebug() << "send message : " << rand;
msg << rand;
QDBusConnection::sessionBus().send(msg);
emit numberChanged();
}
}
void SEND::dbusConnection()
{
QDBusConnection::sessionBus().registerObject("/", this);
if (QDBusConnection::sessionBus().isConnected()) {
msg = QDBusMessage::createSignal("/", "org.example.chat", "message");
}
}
int SEND::number()
{
return rand;
}
int SEND::randnumber()
{
return rand;
}
void SEND::update()
{
send();
}
void WorkerThread::run()
{
qDebug()<<"From worker thread: ";
}
main.cpp
#include
#include
#include
#include "send.h"
int main(int argc, char *argv[])
{
QGuiApplication app(argc, argv);
// qmlRegisterType ("Send", 1,0, "SendClass");
QQmlApplicationEngine engine;
engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
// Viewer viewer(app.focusObject());
SEND send(app.focusObject());
engine.rootContext()->setContextProperty("send", &send);
return app.exec();
}
main.qml
import QtQuick 2.3
import QtQuick.Window 2.2
import QtQuick.Controls 1.3
Window {
id :root
visible: true
MouseArea {
anchors.fill: parent
onClicked: {
Qt.quit();
}
}
Text {
id : sendnumber
text: send.number
anchors.centerIn: parent
}
}
