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# connectionwidget.h Example File
demos/sqlbrowser/connectionwidget.h

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     #ifndef CONNECTIONWIDGET_H
     #define CONNECTIONWIDGET_H

     #include <QWidget>

     class QTreeWidget;
     class QTreeWidgetItem;
     class QSqlDatabase;
     class QMenu;

     class ConnectionWidget: public QWidget
     {
         Q_OBJECT
     public:
         ConnectionWidget(QWidget *parent = 0);
         virtual ~ConnectionWidget();

         QSqlDatabase currentDatabase() const;

     signals:
         void tableActivated(const QString &table);
         void metaDataRequested(const QString &tableName);

     public slots:
         void refresh();
         void showMetaData();
         void on_tree_itemActivated(QTreeWidgetItem *item, int column);
         void on_tree_currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous);

     private:
         void setActive(QTreeWidgetItem *);

         QTreeWidget *tree;
         QAction *metaDataAction;
         QString activeDb;
     };

     #endif