Qt moc with implementations inside of header files?

Question

Is it possible to tell the Qt MOC that I would like to declare the class and implement it in a single file rather than splitting them up into an .h and .cpp file?

Answer 1

I believe this to be the best way. It's actually how I construct all of my objects now.

Qt 4.8.7

Works.pro:

SOURCES += \
    main.cpp

HEADERS += \
    Window.h \
    MyWidget.h

main.cpp

#include 
#include "Window.h"

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

    Window window;
    window.show();
    return app.exec();
}

Window.h

#ifndef WINDOW_H
#define WINDOW_H

#include 
#include "MyWidget.h"

class Window : public QWidget
{
    Q_OBJECT

private:
    MyWidget *whatever;

public:
    Window()
    {
        QHBoxLayout *layout = new QHBoxLayout;
        setLayout(layout);

        whatever = new MyWidget("Screw You");
        layout->addWidget(whatever);

    }
};

#include "moc_Window.cpp"

#endif // WINDOW_H

MyWidget.h

#ifndef MYWIDGET_H
#define MYWIDGET_H

#include 

class MyWidget : public QLabel
{
    Q_OBJECT

public:
    MyWidget(QString text) : QLabel(text)
    {
        // Whatever
    }
};

#include "moc_MyWidget.cpp"

#endif // MYWIDGET_H

Build... qmake Works.pro

make