Qt 4.6: browser.h Example File (demos/sqlbrowser/browser.h)

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

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     ** Contact: Nokia Corporation (qt-info@nokia.com)
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     ** This file is part of the demonstration applications of the Qt Toolkit.
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     #ifndef BROWSER_H
     #define BROWSER_H

     #include <QWidget>
     #include "ui_browserwidget.h"

     class ConnectionWidget;
     QT_FORWARD_DECLARE_CLASS(QTableView)
     QT_FORWARD_DECLARE_CLASS(QPushButton)
     QT_FORWARD_DECLARE_CLASS(QTextEdit)
     QT_FORWARD_DECLARE_CLASS(QSqlError)

     class Browser: public QWidget, private Ui::Browser
     {
         Q_OBJECT
     public:
         Browser(QWidget *parent = 0);
         virtual ~Browser();

         QSqlError addConnection(const QString &driver, const QString &dbName, const QString &host,
                       const QString &user, const QString &passwd, int port = -1);

         void insertRow();
         void deleteRow();
         void updateActions();

     public slots:
         void exec();
         void showTable(const QString &table);
         void showMetaData(const QString &table);
         void addConnection();
         void currentChanged() { updateActions(); }
         void about();

         void on_insertRowAction_triggered()
         { insertRow(); }
         void on_deleteRowAction_triggered()
         { deleteRow(); }
         void on_connectionWidget_tableActivated(const QString &table)
         { showTable(table); }
         void on_connectionWidget_metaDataRequested(const QString &table)
         { showMetaData(table); }
         void on_submitButton_clicked()
         {
             exec();
             sqlEdit->setFocus();
         }
         void on_clearButton_clicked()
         {
             sqlEdit->clear();
             sqlEdit->setFocus();
         }

     signals:
         void statusMessage(const QString &message);
     };

     #endif