added first network things

mainwindow.cpp

@@ -1,14 +1,55 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 
-MainWindow::MainWindow(QWidget *parent) :
-    QMainWindow(parent),
-    ui(new Ui::MainWindow)
+#include <qnetwork.h>
+#include <QtNetwork/QNetworkReply>
+
+class QNetworkReply;
+namespace yremote {
+
+MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
+    manager = new QNetworkAccessManager(this);
 }
 
 MainWindow::~MainWindow()
 {
     delete ui;
 }
+
+void MainWindow::func()
+{
+    QNetworkAccessManager *manager = new QNetworkAccessManager(this);
+    connect(manager, SIGNAL(finished(QNetworkReply*)),
+            this, SLOT(replyFinished(QNetworkReply*)));
+
+    manager->get(QNetworkRequest(QUrl("http://qt-project.org")));
+}
+
+
+void MainWindow::on_btn_onoff_clicked()
+{
+    qDebug() << "void MainWindow::on_btn_onoff_clicked()";
+    sendCommand("<YAMAHA_AV cmd=\"GET\"><Main_Zone><Input><Input_Sel>GetParam</Input_Sel></Input></Main_Zone></YAMAHA_AV>");
+}
+
+QString MainWindow::sendCommand(QString cmd)
+{
+    QString res;
+
+    QNetworkRequest request;
+    request.setUrl("http://" + mAddress + ":80/YamahaRemoteControl/ctrl");
+
+    QNetworkReply *reply = manager->get(request);
+    qDebug() << reply->readAll();
+
+
+    return res;
+}
+}
+
+void yremote::MainWindow::on_txt_address_textEdited(const QString &arg1)
+{
+    mAddress = arg1;
+}