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#include <QtGui>
#include "Top_menu.h"

int main (int argc, char** argv)
{
    QApplication app(argc, argv);

    Top_menu top_menu;
    top_menu.show();

    return app.exec();
}

#ifndef TOP_MENU_H
#define TOP_MENU_H

#include <QtGui>
#include "Name_Filter.h"

//===================================================================================
class Top_menu : public QWidget {
    Q_OBJECT
private:
    QStatusBar* statBar_info_top;
    QLabel* labelbut;
    Name_Filter* name_filter;

public:
    Top_menu(QWidget *parent_obj=0);

};

#endif // TOP_MENU_H

#include <QtGui>
#include "Top_menu.h"

//=============================================================================
Top_menu :: Top_menu(QWidget *parent_obj/*=0*/)
        : QWidget(parent_obj)

{

 // Create object Name Filter
    name_filter = new Name_Filter;

 // Create label for Operation name
    labelbut = new QLabel("No operations");
    labelbut -> setMouseTracking(true);

 // Create Button Exit
    QPixmap exitpix("powerdown_top.jpg");
    QPushButton* pcmExit = new QPushButton ("&Exit");
    pcmExit -> setIcon(exitpix);
    pcmExit -> setIconSize(exitpix.size());
    pcmExit -> setDefault(true);
    pcmExit -> setObjectName("Exit to program");
    pcmExit -> setAttribute(Qt::WA_Hover);
    pcmExit->installEventFilter(new Name_Filter(pcmExit));

 // Create Button Ejik_v_tumane
    QPixmap settingspix("Ejik_v_tumane.jpg");
    QPushButton* pcmSettings = new QPushButton ("&Ejik_v_tumane");
    pcmSettings -> setIcon(settingspix);
    pcmSettings -> setIconSize(settingspix.size());
    pcmSettings -> setObjectName("Odin_Ejik_v_tumane");
    pcmSettings -> setAttribute(Qt::WA_Hover);
    pcmSettings->installEventFilter(new Name_Filter(pcmSettings));

 // Create Button Vtoroy_Ejik_v_tumane
    QPixmap rek_workpix("Vtoroy_Ejik_v_tumane.jpg");
    QPushButton* pcmRek_work = new QPushButton ("&Vtoroy_Ejik_v_tumane");
    pcmRek_work-> setIcon(rek_workpix);
    pcmRek_work -> setIconSize(rek_workpix.size());
    pcmRek_work -> setObjectName("Dva_Ejika_v_tumane");
    pcmRek_work -> setAttribute(Qt::WA_Hover);
    pcmRek_work->installEventFilter(new Name_Filter(pcmRek_work));

//  Slot configuration Name Batton
    QObject::connect(name_filter, SIGNAL(send_name_string(QString)), labelbut, SLOT(setText(QString)));
//    QObject::connect(name_filter, SIGNAL(send_name_string(const QString &)), labelbut, SLOT(setText(const QString &)));

//  Slot configuration
    connect(pcmExit, SIGNAL(clicked()), qApp, SLOT(quit()));

// Create StatusBar (info Top menu)
    statBar_info_top = new QStatusBar;
    statBar_info_top->showMessage("Operations: " +  labelbut->text(), 30000);
    statBar_info_top->setMinimumWidth(200);

 // Layout setup
    QHBoxLayout* phbxLayout = new QHBoxLayout;
    phbxLayout->setMargin(2);
    phbxLayout->addWidget(pcmRek_work);
    phbxLayout->addWidget(pcmSettings);
    phbxLayout->addWidget(pcmExit);

    QVBoxLayout* pvbxLayout = new QVBoxLayout;
    pvbxLayout->setSpacing(10);
    pvbxLayout->addLayout(phbxLayout);
    pvbxLayout->addWidget(labelbut);
    pvbxLayout->addWidget(statBar_info_top);
    setLayout(pvbxLayout);

    setWindowTitle(tr("Super Ejiki v0.01"));
    setFixedHeight(sizeHint().height());
    setFixedWidth(sizeHint().width());

}

#ifndef NAME_FILTER_H
#define NAME_FILTER_H

#include <QObject>

//===================================================================================================
class Name_Filter : public QObject {
Q_OBJECT
private:
    QString name_string;

public:
    Name_Filter(QObject* parent_obj = 0);

protected:
    virtual bool eventFilter(QObject*, QEvent*);

signals:
    void send_name_string(QString);
   // void send_name_string(const QString &);

};

#endif // NAME_FILTER_H

#include <QtGui>
#include "Name_Filter.h"

//=================================================================================================
Name_Filter::Name_Filter(QObject* parent_obj/* =0*/)
    : QObject(parent_obj)
{
}

//=================================================================================================
/*virtual*/ bool Name_Filter::eventFilter(QObject* parent_obj, QEvent* pe)
            {
            if(pe->type() == QEvent::HoverEnter) {
                            name_string = parent_obj->objectName();
                            emit send_name_string(name_string);
                         //   QMessageBox::information(0, "String include", name_string);
                            return true;
                            }
            return false;

            }

name_filter = new Name_Filter;
...
QObject::connect(name_filter, SIGNAL(send_name_string(const QString &)), labelbut, SLOT(setText(const QString &)));

pcmExit->installEventFilter(new Name_Filter(pcmExit));

 pcmRek_work->installEventFilter(name_filter);