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qt4-doc-4.6.3-0.2mdv2010.2.i586.rpm

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 #include &lt;QtGui&gt;

 #include &quot;mainwindow.h&quot;
 #include &quot;xbelreader.h&quot;
 #include &quot;xbelwriter.h&quot;

 MainWindow::MainWindow()
 {
     QStringList labels;
     labels &lt;&lt; tr(&quot;Title&quot;) &lt;&lt; tr(&quot;Location&quot;);

     treeWidget = new QTreeWidget;
     treeWidget-&gt;header()-&gt;setResizeMode(QHeaderView::Stretch);
     treeWidget-&gt;setHeaderLabels(labels);
     setCentralWidget(treeWidget);

     createActions();
     createMenus();

     statusBar()-&gt;showMessage(tr(&quot;Ready&quot;));

     setWindowTitle(tr(&quot;QXmlStream Bookmarks&quot;));
     resize(480, 320);
 }

 void MainWindow::open()
 {
     QString fileName =
             QFileDialog::getOpenFileName(this, tr(&quot;Open Bookmark File&quot;),
                                          QDir::currentPath(),
                                          tr(&quot;XBEL Files (*.xbel *.xml)&quot;));
     if (fileName.isEmpty())
         return;

     treeWidget-&gt;clear();

     QFile file(fileName);
     if (!file.open(QFile::ReadOnly | QFile::Text)) {
         QMessageBox::warning(this, tr(&quot;QXmlStream Bookmarks&quot;),
                              tr(&quot;Cannot read file %1:\n%2.&quot;)
                              .arg(fileName)
                              .arg(file.errorString()));
         return;
     }

     XbelReader reader(treeWidget);
     if (!reader.read(&amp;file)) {
         QMessageBox::warning(this, tr(&quot;QXmlStream Bookmarks&quot;),
                              tr(&quot;Parse error in file %1:\n\n%2&quot;)
                              .arg(fileName)
                              .arg(reader.errorString()));
     } else {
         statusBar()-&gt;showMessage(tr(&quot;File loaded&quot;), 2000);
     }

 }

 void MainWindow::saveAs()
 {
     QString fileName =
             QFileDialog::getSaveFileName(this, tr(&quot;Save Bookmark File&quot;),
                                          QDir::currentPath(),
                                          tr(&quot;XBEL Files (*.xbel *.xml)&quot;));
     if (fileName.isEmpty())
         return;

     QFile file(fileName);
     if (!file.open(QFile::WriteOnly | QFile::Text)) {
         QMessageBox::warning(this, tr(&quot;QXmlStream Bookmarks&quot;),
                              tr(&quot;Cannot write file %1:\n%2.&quot;)
                              .arg(fileName)
                              .arg(file.errorString()));
         return;
     }

     XbelWriter writer(treeWidget);
     if (writer.writeFile(&amp;file))
         statusBar()-&gt;showMessage(tr(&quot;File saved&quot;), 2000);
 }

 void MainWindow::about()
 {
    QMessageBox::about(this, tr(&quot;About QXmlStream Bookmarks&quot;),
             tr(&quot;The &lt;b&gt;QXmlStream Bookmarks&lt;/b&gt; example demonstrates how to use Qt's &quot;
                &quot;QXmlStream classes to read and write XML documents.&quot;));
 }

 void MainWindow::createActions()
 {
     openAct = new QAction(tr(&quot;&amp;Open...&quot;), this);
     openAct-&gt;setShortcuts(QKeySequence::Open);
     connect(openAct, SIGNAL(triggered()), this, SLOT(open()));

     saveAsAct = new QAction(tr(&quot;&amp;Save As...&quot;), this);
     saveAsAct-&gt;setShortcuts(QKeySequence::SaveAs);
     connect(saveAsAct, SIGNAL(triggered()), this, SLOT(saveAs()));

     exitAct = new QAction(tr(&quot;E&amp;xit&quot;), this);
     exitAct-&gt;setShortcuts(QKeySequence::Quit);
     connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));

     aboutAct = new QAction(tr(&quot;&amp;About&quot;), this);
     connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));

     aboutQtAct = new QAction(tr(&quot;About &amp;Qt&quot;), this);
     connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 }

 void MainWindow::createMenus()
 {
     fileMenu = menuBar()-&gt;addMenu(tr(&quot;&amp;File&quot;));
     fileMenu-&gt;addAction(openAct);
     fileMenu-&gt;addAction(saveAsAct);
     fileMenu-&gt;addAction(exitAct);

     menuBar()-&gt;addSeparator();

     helpMenu = menuBar()-&gt;addMenu(tr(&quot;&amp;Help&quot;));
     helpMenu-&gt;addAction(aboutAct);
     helpMenu-&gt;addAction(aboutQtAct);
 }</pre>
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