dialog.h Example File

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 #ifndef DIALOG_H
 #define DIALOG_H

 #include <QMainWindow>
 #include <QDialog>
 #include <QQueue>

 class QComboBox;
 class QDialogButtonBox;
 class QGridLayout;
 class QGroupBox;
 class QLabel;
 class QPushButton;

 class Dialog : public QDialog
 {
     Q_OBJECT

 public:
     Dialog(QWidget *parent = 0);

 private slots:
     void buttonsOrientationChanged(int index);
     void rotateWidgets();
     void help();

 private:
     void createRotableGroupBox();
     void createOptionsGroupBox();
     void createButtonBox();

     QGroupBox *rotableGroupBox;
     QQueue<QWidget *> rotableWidgets;

     QGroupBox *optionsGroupBox;
     QLabel *buttonsOrientationLabel;
     QComboBox *buttonsOrientationComboBox;

     QDialogButtonBox *buttonBox;
     QPushButton *closeButton;
     QPushButton *helpButton;
     QPushButton *rotateWidgetsButton;

     QGridLayout *mainLayout;
     QGridLayout *rotableLayout;
     QGridLayout *optionsLayout;
 };

 #endif