toolbar.h Example File
demos/mainwindow/toolbar.h

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 #ifndef TOOLBAR_H
 #define TOOLBAR_H

 #include <QToolBar>

 QT_FORWARD_DECLARE_CLASS(QAction)
 QT_FORWARD_DECLARE_CLASS(QActionGroup)
 QT_FORWARD_DECLARE_CLASS(QMenu)
 QT_FORWARD_DECLARE_CLASS(QSpinBox)
 QT_FORWARD_DECLARE_CLASS(QLabel)

 class ToolBar : public QToolBar
 {
     Q_OBJECT

     QSpinBox *spinbox;
     QAction *spinboxAction;

     QAction *orderAction;
     QAction *randomizeAction;
     QAction *addSpinBoxAction;
     QAction *removeSpinBoxAction;

     QAction *movableAction;

     QActionGroup *allowedAreasActions;
     QAction *allowLeftAction;
     QAction *allowRightAction;
     QAction *allowTopAction;
     QAction *allowBottomAction;

     QActionGroup *areaActions;
     QAction *leftAction;
     QAction *rightAction;
     QAction *topAction;
     QAction *bottomAction;

     QAction *toolBarBreakAction;

 public:
     ToolBar(const QString &title, QWidget *parent);

     QMenu *menu;

 protected:
     void enterEvent(QEvent*);
     void leaveEvent(QEvent*);

 private:
     void allow(Qt::ToolBarArea area, bool allow);
     void place(Qt::ToolBarArea area, bool place);
     QLabel *tip;

 private slots:
     void order();
     void randomize();
     void addSpinBox();
     void removeSpinBox();

     void changeMovable(bool movable);

     void allowLeft(bool a);
     void allowRight(bool a);
     void allowTop(bool a);
     void allowBottom(bool a);

     void placeLeft(bool p);
     void placeRight(bool p);
     void placeTop(bool p);
     void placeBottom(bool p);

     void updateMenu();
     void insertToolBarBreak();

 };

 #endif