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List:       kde-devel
Subject:    beginers problem : undefined reference
From:       James Maes <jmaes () sportingnews ! com>
Date:       2001-08-23 17:33:23
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I am working though one of the online tutorials 
(http://perso.wanadoo.es/antlarr/tutorial/)

And have came across this problem on example #3

The following line

    KURL filename = KFileDialog::getOpenURL( QString::null, "*", this );

in the code attached below gives this error when linking

"undefined reference to 'KFileDialog::getOpenURL(QString const &, QString 
const &, QWidget *, QString const &)"

Looking at the manuals and documentation I am at a lost as to why this 
statement is failing. getOpenURL is  a static method of KFileDialog, and all 
the headers are included (AFAIK).

Any help would be great.

Thanks









#include "p3.h"
#include <kfiledialog.h> #include <kapp.h> #include <kmenubar.h> #include 
<klocale.h> #include <kmessagebox.h> #include <qtextview.h> 
MainWindow::MainWindow ( const char * name ) : KMainWindow ( 0L, name )
{
    setCaption("KDE Tutorial - p3");

    QPopupMenu *filemenu = new QPopupMenu;
    filemenu->insertItem( i18n( "&Open" ), this, SLOT(fileOpen()) );
    filemenu->insertItem( i18n( "&Save" ), this, SLOT(fileSave()) );
    filemenu->insertItem( i18n( "&Quit" ), kapp, SLOT(quit()) );
    QString about =
            i18n("p3 1.0\n\n"
                 "(C) 1999-2001 Antonio Larrosa Jimenez\n"
                 "larrosa@kde.org\t\tlarrosa@suse.de\n"
                 "Malaga (Spain)\n\n"
                 "Simple KDE Tutorial\n"
                 "This tutorial comes with ABSOLUTELY NO WARRANTY\n"
                 "This is free software, and you are welcome to redistribute 
it\n"
                 "under certain conditions\n");
 
    QPopupMenu *helpmenu = helpMenu( about );
    KMenuBar *menu = menuBar();
    menu->insertItem( i18n( "&File" ), filemenu );
    menu->insertSeparator();
    menu->insertItem( i18n( "&Help" ), helpmenu );
 
    QTextView *hello=new QTextView(
       i18n("<H2>Hello World !</H2><BR>This is a simple"
	" window with <I><font size=5><B>R<font color=red"
	" size=5>ich </font><font color=blue size=5>Text"
	"</font></B></I> capabilities<BR>Try to resize"
	" this window, all this is automatic !"), "", this );
    setCentralWidget( hello );
 
} 
 
void MainWindow::fileOpen()
{
    KURL filename = KFileDialog::getOpenURL( QString::null, "*", this );
    QString msg = QString( i18n("Now this app should open the url %1 .") 
).arg(filename.url());
    KMessageBox::information( 0, msg, i18n( "Information"), 
"fileOpenInformationDialog" );
}
 
void MainWindow::fileSave()
{
   KURL filename=KFileDialog::getSaveURL( QString::null, "*", this );
}




-- 
 
------------------------------------
|| James Maes        
|| Senior Programmer 
|| jmaes@sportingnews.com 
|| The Sporting News     
|| www.sportingnews.com 
|| fantasy.sportingnews.com
|| radio.sportingnews.com
------------------------------------

"given enough time and resources we can accomplish anything"

 
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