tabdialog.h Example File
dialogs/tabdialog/tabdialog.h

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 #ifndef TABDIALOG_H
 #define TABDIALOG_H

 #include <QDialog>

 class QDialogButtonBox;
 class QFileInfo;
 class QTabWidget;

 class GeneralTab : public QWidget
 {
     Q_OBJECT

 public:
     GeneralTab(const QFileInfo &fileInfo, QWidget *parent = 0);
 };

 class PermissionsTab : public QWidget
 {
     Q_OBJECT

 public:
     PermissionsTab(const QFileInfo &fileInfo, QWidget *parent = 0);
 };

 class ApplicationsTab : public QWidget
 {
     Q_OBJECT

 public:
     ApplicationsTab(const QFileInfo &fileInfo, QWidget *parent = 0);
 };

 class TabDialog : public QDialog
 {
     Q_OBJECT

 public:
     TabDialog(const QString &fileName, QWidget *parent = 0);

 private:
     QTabWidget *tabWidget;
     QDialogButtonBox *buttonBox;
 };

 #endif