Listing 1. khellotw.cpp
#include <qkeycode.h>
#include <kmsgbox.h>
#include <kstdaccel.h>
#include "khellotw.moc"
KHelloTW::KHelloTW (void)
{
/**
We'll get the standard KDE accelerator key combinations from this.
*/
KStdAccel *kkeys=new KStdAccel(kapp->getConfig());
/**
Create the pulldown menus for the menubar.
*/
file = new QPopupMenu ();
file->insertItem ("&Quit", this, SLOT (slotQuit()), kkeys->quit());
help=kapp->getHelpMenu(TRUE);
help->insertSeparator();
help->insertItem ("&About KHello...", this, SLOT (slotAbout()));
/**
Set up the menubar.
*/
menubar = new KMenuBar (this);
menubar->insertItem ("File",file);
menubar->insertSeparator (); //This \
//pushes the Help menu to the far \
//right when KDE is in Motif widget mode
menubar->insertItem ("Help",help);
/**
Set up the toolbar.
*/
toolbar = new KToolBar(this);
QString buttonpicture;
buttonpicture =
kapp->kdedir()+"/share/toolbar/exclamation.xpm";
toolbar->insertButton (QPixmap (buttonpicture.data()),0,
SIGNAL (released()),
this, SLOT (slotHello()),TRUE,
"Press this to say hello");
/**
This label will fill the rest of our window
(the part not occupied by the menubar or toolbar).
*/
label=new QLabel (this);
label->setFont (QFont ("Helvetica",24));
label->setAlignment (AlignCenter);
/**
Tell KTopWidget about our menubar, toolbar, and label.
*/
setMenu (menubar);
addToolBar (toolbar);
setView (label);
/**
Drag and Drop. URL's can be dragged from KFM
and dropped onto our QLabel. The URL will be
displayed.
*/
dropzone = new KDNDDropZone (label, DndURL);
connect (dropzone, SIGNAL (dropAction(KDNDDropZone *)),
this, SLOT (slotDropped (KDNDDropZone *)));
}
void KHelloTW::slotQuit()
{
close();
}
void KHelloTW::slotAbout()
{
KMsgBox::message (this, "About KHello",
"KHello\nCopyright (C) 1997\nBy David Sweet\n\
dsweet@physics.umd.edu");
}
void KHelloTW::slotHello()
{
label->setText ("Hello world!\n");
}
void KHelloTW::slotDropped(KDNDDropZone *dz)
{
QString url;
url = dz->getURLList().first();
label->setText (url.data());
}
void KHelloTW::closeEvent (QCloseEvent *)
{
kapp->quit();
}
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