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

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 #include &lt;QtGui&gt;

 #include &quot;locationdialog.h&quot;

 LocationDialog::LocationDialog(QWidget *parent)
     : QDialog(parent)
 {
     formatComboBox = new QComboBox;
     formatComboBox-&gt;addItem(tr(&quot;Native&quot;));
     formatComboBox-&gt;addItem(tr(&quot;INI&quot;));

     scopeComboBox = new QComboBox;
     scopeComboBox-&gt;addItem(tr(&quot;User&quot;));
     scopeComboBox-&gt;addItem(tr(&quot;System&quot;));

     organizationComboBox = new QComboBox;
     organizationComboBox-&gt;addItem(tr(&quot;Trolltech&quot;));
     organizationComboBox-&gt;setEditable(true);

     applicationComboBox = new QComboBox;
     applicationComboBox-&gt;addItem(tr(&quot;Any&quot;));
     applicationComboBox-&gt;addItem(tr(&quot;Application Example&quot;));
     applicationComboBox-&gt;addItem(tr(&quot;Assistant&quot;));
     applicationComboBox-&gt;addItem(tr(&quot;Designer&quot;));
     applicationComboBox-&gt;addItem(tr(&quot;Linguist&quot;));
     applicationComboBox-&gt;setEditable(true);
     applicationComboBox-&gt;setCurrentIndex(3);

     formatLabel = new QLabel(tr(&quot;&amp;Format:&quot;));
     formatLabel-&gt;setBuddy(formatComboBox);

     scopeLabel = new QLabel(tr(&quot;&amp;Scope:&quot;));
     scopeLabel-&gt;setBuddy(scopeComboBox);

     organizationLabel = new QLabel(tr(&quot;&amp;Organization:&quot;));
     organizationLabel-&gt;setBuddy(organizationComboBox);

     applicationLabel = new QLabel(tr(&quot;&amp;Application:&quot;));
     applicationLabel-&gt;setBuddy(applicationComboBox);

     locationsGroupBox = new QGroupBox(tr(&quot;Setting Locations&quot;));

     QStringList labels;
     labels &lt;&lt; tr(&quot;Location&quot;) &lt;&lt; tr(&quot;Access&quot;);

     locationsTable = new QTableWidget;
     locationsTable-&gt;setSelectionMode(QAbstractItemView::SingleSelection);
     locationsTable-&gt;setSelectionBehavior(QAbstractItemView::SelectRows);
     locationsTable-&gt;setEditTriggers(QAbstractItemView::NoEditTriggers);
     locationsTable-&gt;setColumnCount(2);
     locationsTable-&gt;setHorizontalHeaderLabels(labels);
     locationsTable-&gt;horizontalHeader()-&gt;setResizeMode(0, QHeaderView::Stretch);
     locationsTable-&gt;horizontalHeader()-&gt;resizeSection(1, 180);

     buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
                                      | QDialogButtonBox::Cancel);

     connect(formatComboBox, SIGNAL(activated(int)),
             this, SLOT(updateLocationsTable()));
     connect(scopeComboBox, SIGNAL(activated(int)),
             this, SLOT(updateLocationsTable()));
     connect(organizationComboBox-&gt;lineEdit(),
             SIGNAL(editingFinished()),
             this, SLOT(updateLocationsTable()));
     connect(applicationComboBox-&gt;lineEdit(),
             SIGNAL(editingFinished()),
             this, SLOT(updateLocationsTable()));
     connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
     connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

     QVBoxLayout *locationsLayout = new QVBoxLayout;
     locationsLayout-&gt;addWidget(locationsTable);
     locationsGroupBox-&gt;setLayout(locationsLayout);

     QGridLayout *mainLayout = new QGridLayout;
     mainLayout-&gt;addWidget(formatLabel, 0, 0);
     mainLayout-&gt;addWidget(formatComboBox, 0, 1);
     mainLayout-&gt;addWidget(scopeLabel, 1, 0);
     mainLayout-&gt;addWidget(scopeComboBox, 1, 1);
     mainLayout-&gt;addWidget(organizationLabel, 2, 0);
     mainLayout-&gt;addWidget(organizationComboBox, 2, 1);
     mainLayout-&gt;addWidget(applicationLabel, 3, 0);
     mainLayout-&gt;addWidget(applicationComboBox, 3, 1);
     mainLayout-&gt;addWidget(locationsGroupBox, 4, 0, 1, 2);
     mainLayout-&gt;addWidget(buttonBox, 5, 0, 1, 2);
     setLayout(mainLayout);

     updateLocationsTable();

     setWindowTitle(tr(&quot;Open Application Settings&quot;));
     resize(650, 400);
 }

 QSettings::Format LocationDialog::format() const
 {
     if (formatComboBox-&gt;currentIndex() == 0)
         return QSettings::NativeFormat;
     else
         return QSettings::IniFormat;
 }

 QSettings::Scope LocationDialog::scope() const
 {
     if (scopeComboBox-&gt;currentIndex() == 0)
         return QSettings::UserScope;
     else
         return QSettings::SystemScope;
 }

 QString LocationDialog::organization() const
 {
     return organizationComboBox-&gt;currentText();
 }

 QString LocationDialog::application() const
 {
     if (applicationComboBox-&gt;currentText() == tr(&quot;Any&quot;))
         return &quot;&quot;;
     else
         return applicationComboBox-&gt;currentText();
 }

 void LocationDialog::updateLocationsTable()
 {
     locationsTable-&gt;setUpdatesEnabled(false);
     locationsTable-&gt;setRowCount(0);

     for (int i = 0; i &lt; 2; ++i) {
         if (i == 0 &amp;&amp; scope() == QSettings::SystemScope)
             continue;

         QSettings::Scope actualScope = (i == 0) ? QSettings::UserScope
                                                 : QSettings::SystemScope;
         for (int j = 0; j &lt; 2; ++j) {
             if (j == 0 &amp;&amp; application().isEmpty())
                 continue;

             QString actualApplication;
             if (j == 0)
                 actualApplication = application();
             QSettings settings(format(), actualScope, organization(),
                                actualApplication);

             int row = locationsTable-&gt;rowCount();
             locationsTable-&gt;setRowCount(row + 1);

             QTableWidgetItem *item0 = new QTableWidgetItem;
             item0-&gt;setText(settings.fileName());

             QTableWidgetItem *item1 = new QTableWidgetItem;
             bool disable = (settings.childKeys().isEmpty()
                             &amp;&amp; settings.childGroups().isEmpty());

             if (row == 0) {
                 if (settings.isWritable()) {
                     item1-&gt;setText(tr(&quot;Read-write&quot;));
                     disable = false;
                 } else {
                     item1-&gt;setText(tr(&quot;Read-only&quot;));
                 }
                 buttonBox-&gt;button(QDialogButtonBox::Ok)-&gt;setDisabled(disable);
             } else {
                 item1-&gt;setText(tr(&quot;Read-only fallback&quot;));
             }

             if (disable) {
                 item0-&gt;setFlags(item0-&gt;flags() &amp; ~Qt::ItemIsEnabled);
                 item1-&gt;setFlags(item1-&gt;flags() &amp; ~Qt::ItemIsEnabled);
             }

             locationsTable-&gt;setItem(row, 0, item0);
             locationsTable-&gt;setItem(row, 1, item1);
         }
     }
     locationsTable-&gt;setUpdatesEnabled(true);
 }</pre>
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