/****************************************************************************

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** This file is part of the test suite of the Qt Toolkit.

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****************************************************************************/

#ifndef WIDGET_H

#define WIDGET_H

#include "customitem.h"

#include <QWidget>

#include <QGraphicsItemGroup>

#include <QPainter>

namespace Ui {

    class Widget;

}

class QGraphicsOpacityEffect;

class QPropertyAnimation;

class Widget : public QWidget

{

    Q_OBJECT

public:

    Widget(QWidget *parent = 0);

    ~Widget();

protected Q_SLOTS:

    void on_rotate_valueChanged(int value);

    void on_scale_valueChanged(int value);

    void on_rotateItem_valueChanged(int value);

    void on_scaleItem_valueChanged(int value);

    void on_group_clicked();

    void on_dismantle_clicked();

    void on_merge_clicked();

    void onSceneSelectionChanged();

    void on_ungroup_clicked();

    void on_buttonGroup_buttonClicked();

private:

    void updateUngroupButton();

    CustomItem * checkedItem() const;

    Ui::Widget *ui;

    CustomScene *scene;

    CustomItem *rectBlue;

    CustomItem *rectRed;

    CustomItem *rectGreen;

    CustomItem *rectYellow;

    QGraphicsOpacityEffect* effect;

    QPropertyAnimation *fadeIn;

    QPropertyAnimation *fadeOut;

    int previousSelectionCount;

};

#endif // WIDGET_H