Q_OBJECT error

[Toshikazu]

Hey, my code compiles fine but I cannot connect my own functions to a signal. Is the reason because i have not put the Q_OBJECT macro in the class header file for the window?

if so when i do put this macro in i get 2 errors.

make: *** [debug] Error 2
make[1]: *** [debug\buttonTest.exe] Error 1

I was hoping if i fixed this then i would be able to connect signals to my own functions.

-----------------

class Window : public QWidget
{
	Q_OBJECT
 
public:
	Window(QWidget *parent = 0)
	{
		button = new QPushButton("Increment", this);
		lcd = new QLCDNumber(2, this);
		slider = new QSlider(Qt::Horizontal);
		slider->setRange(0,99);
		slider->setValue(0);
 
		QObject::connect(slider, SIGNAL(valueChanged(int)), 
				         this, SLOT(Update(int)));
				         //lcd, SLOT(display(int)));
 
		QVBoxLayout *layout = new QVBoxLayout;
		layout->addWidget(slider);
		layout->addWidget(lcd);
		layout->addWidget(button);
		this->setLayout(layout);
 
	}
 
private slots:
	void Update(int i)
	{
		lcd->display(i);
	}
 
 
private:
	QPushButton *button;
	QLCDNumber *lcd;
	QSlider *slider;
};

class Window : public QWidget
{
	Q_OBJECT
	
public:
	Window(QWidget *parent = 0)
	{
		button = new QPushButton("Increment", this);
		lcd = new QLCDNumber(2, this);
		slider = new QSlider(Qt::Horizontal);
		slider->setRange(0,99);
		slider->setValue(0);
		
		QObject::connect(slider, SIGNAL(valueChanged(int)), 
				         this, SLOT(Update(int)));
				         //lcd, SLOT(display(int)));
		
		QVBoxLayout *layout = new QVBoxLayout;
		layout->addWidget(slider);
		layout->addWidget(lcd);
		layout->addWidget(button);
		this->setLayout(layout);
		
	}
	
private slots:
	void Update(int i)
	{
		lcd->display(i);
	}

	
private:
	QPushButton *button;
	QLCDNumber *lcd;
	QSlider *slider;
};

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//.pro file
TEMPLATE = app
TARGET = buttonTest
QT += core \
    gui
HEADERS += buttontest.h
SOURCES += main.cpp \
    buttontest.cpp
FORMS += buttontest.ui
RESOURCES +=

//.pro file
TEMPLATE = app
TARGET = buttonTest
QT += core \
    gui
HEADERS += buttontest.h
SOURCES += main.cpp \
    buttontest.cpp
FORMS += buttontest.ui
RESOURCES +=

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