MeeGo 1.2 Harmattan Developer Documentation Develop for the Nokia N9

publisherdialog.cpp Example File

publish-subscribe/publisherdialog.cpp
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 #include "publisherdialog.h"
 #if defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)
 #include "ui_publisherdialog_hor.h"
 #else
 #include "ui_publisherdialog.h"
 #endif

 #include <qvaluespacepublisher.h>

 #ifdef QTM_EXAMPLES_SMALL_SCREEN
 #include <QPushButton>
 #endif

 #include <QDebug>

 PublisherDialog::PublisherDialog(QWidget *parent)
 :   QMainWindow(parent), ui(new Ui::PublisherDialog), publisher(0)
 {
     ui->setupUi(this);

 #ifdef QTM_EXAMPLES_SMALL_SCREEN
     QPushButton *switchButton =
         ui->buttonBox->addButton(tr("Switch"), QDialogButtonBox::ActionRole);
     connect(switchButton, SIGNAL(clicked()), this, SIGNAL(switchRequested()));
 #endif

     connect(ui->connectButton, SIGNAL(clicked()), this, SLOT(createNewObject()));
     connect(ui->intValue, SIGNAL(valueChanged(int)), this, SLOT(intValueChanged(int)));
     connect(ui->unsetIntButton, SIGNAL(clicked()), this, SLOT(unsetIntValue()));
     connect(ui->setStringButton, SIGNAL(clicked()), this, SLOT(setStringValue()));
     connect(ui->setByteArrayButton, SIGNAL(clicked()), this, SLOT(setByteArrayValue()));

     createNewObject();
 }

 PublisherDialog::~PublisherDialog()
 {
     delete ui;
     delete publisher;
 }

 void PublisherDialog::changeEvent(QEvent *e)
 {
     QMainWindow::changeEvent(e);
     switch (e->type()) {
     case QEvent::LanguageChange:
         ui->retranslateUi(this);
         break;
     default:
         break;
     }
 }

 void PublisherDialog::intValueChanged(int value)
 {
     publisher->setValue("intValue", value);
 }

 void PublisherDialog::unsetIntValue()
 {
     publisher->resetValue("intValue");
 }

 void PublisherDialog::setStringValue()
 {
     publisher->setValue("stringValue", ui->stringValue->text());
 }

 void PublisherDialog::setByteArrayValue()
 {
     publisher->setValue("byteArrayValue", ui->byteArrayValue->text().toAscii());
 }

 void PublisherDialog::createNewObject()
 {
     if (publisher)
         delete publisher;

     publisher = new QValueSpacePublisher(QValueSpace::WritableLayer, ui->basePath->text());
     if (publisher->isConnected()) {
         ui->setters->setEnabled(true);
         intValueChanged(ui->intValue->value());
         setStringValue();
         setByteArrayValue();
     } else {
         ui->setters->setEnabled(false);
     }
 }