/* dragdrop.cpp */#include <kapp.h>#include <qlayout.h>#include <qlabel.h>#include "dragdrop.h"int main(int argc,char **argv){    KApplication app(argc,argv,"dragdrop");    DragDrop dragdrop;    dragdrop.show();    app.setMainWidget(&dragdrop);    return(app.exec());}DragDrop::DragDrop(QWidget *parent,const char *name)        : QWidget(parent,name){    QVBoxLayout *box = new QVBoxLayout(this,30);    box->addSpacing(30);    target = new DropTo("target",this);    box->addWidget(target);    apples = new DragFrom("apples",this);    box->addWidget(apples);    oranges = new DragFrom("oranges",this);    box->addWidget(oranges);    box->activate();}