Qt

	   1 
	   2   MyWindow::MyWindow() : QWidget()
	   3   {
	   4     // Create button1 and connect button1->clicked() to this->slotButton1()
	   5     button1 = new QPushButton("Button1", this);
	   6     connect(button1, SIGNAL(clicked()), this, SLOT(slotButton1()));
	   7   
	   8     // Create button2 and connect button2->clicked() to this->slotButton2()
	   9     button2 = new QPushButton("Button2", this);
	  10     connect(button2, SIGNAL(clicked()), this, SLOT(slotButton2()));
	  11 
	  12     // When any button is clicked, call this->slotButtons()
	  13     connect(button1, SIGNAL(clicked()), this, SLOT(slotButtons()));
	  14     connect(button2, SIGNAL(clicked()), this, SLOT(slotButtons()));
	  15   }
	  16 
	  17   void MyWindow::slotButton1()   // Slot is called when button1 is clicked.
	  18   { cout << "Button1 was clicked" << endl; }
	  19 
	  20   void MyWindow::slotButton2()  // Slot is called when button2 is clicked
	  21   { cout << "Button2 was clicked" << endl; }
	  22 
	  23   void MyWindow::slotButtons() // Slot is called when 1 or 2 were clicked
	  24   { cout << "A button was clicked" << endl; }
	  25 
	

	   1 
	   2   #include <qwidget.h>
	   3   #include <qpushbutton.h>
	   4   
	   5   class MyWindow : public QWidget
	   6   {
	   7     Q_OBJECT    // Enable signals and slots
	   8   public:
	   9     MyWindow();
	  10   public slots:   // This slots section is public
	  11     void slotButton(); // A public slot
	  12   private:
	  13     QPushButton *button;
	  14   };
	  15 
  

	   1 
	   2  g++ -I$QTDIR/include -c main.cpp
	   3  moc mywindow.h -o mywindow.moc
	   4  g++ -I/$QTDIR/include -c mywindow.cpp
	   5  g++ -o myprog main.o mywindow.o -L/$QTDIR/lib -lqt
	   6