undefined reference to `WebView::mousePressEvent(QMouseEvent*)' 

undefined reference to `WebView::~WebView 

undefined reference [b]to `Vcon::PluginItem::type() const' 
[/b]collect2: ld returned 1 exit status 

./debug\pluginmanager.o: In function `PluginItem': 
V:\work\Qt\vcon\src\vcon-build-desktop/../vcon/pluginmanager.cpp:358: undefined reference [b]to `vtable for Vcon::PluginItem' [/b]
V:\work\Qt\vcon\src\vcon-build-desktop/../vcon/pluginmanager.cpp:358: undefined reference [b]to `vtable for Vcon::PluginItem' [/b]
collect2: ld returned 1 exit status 

C:\Qt\2010.04\qt\demos\browser-build-desktop/../browser/bookmarks.cpp:299: undefined reference [b]to `BookmarkNode::~BookmarkNode()'[/b] 

C:\Qt\2010.04\qt\demos\browser-build-desktop/../browser/xbel.cpp:49: undefined reference [b]to `vtable for BookmarkNode' [/b]

#include <iostream>
#include <QMainWindow>
#include <QtGui/QApplication>
#include <QObject>

using std::cout;
using std::endl;


class Test : public QMainWindow
{
    //Q_OBJECT;

public:
    Test(QWidget *parent = 0) : QMainWindow(parent) {}
    void Click() { setWindowFilePath("file.txt"); }
    ~Test() {}

};


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

    QApplication app(argc, argv);

    Test test;
    test.show();

    return app.exec();

}