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tdenetwork/krdc/maindialogwidget.cpp

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/* This file is part of the KDE project
Copyright (C) 2002-2003 Tim Jansen <tim@tjansen.de>
Copyright (C) 2003-2004 Nadeem Hasan <nhasan@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or ( at your option ) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <tqregexp.h>
#include <tqtimer.h>
#include <kcombobox.h>
#include <kdebug.h>
#include <klineedit.h>
#include <klistview.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kpushbutton.h>
#include "hostpreferences.h"
#include "maindialogwidget.h"
static const TQString DEFAULT_SCOPE = "default";
class UrlListViewItem : public KListViewItem
{
public:
UrlListViewItem( TQListView *v, const TQString &url, const TQString &host,
const TQString &protocol, const TQString &type, const TQString &userid,
const TQString &fullname, const TQString &desc,
const TQString &serviceid )
: KListViewItem( v, host, i18n( "unknown" ), host, protocol ),
m_url( url ), m_serviceid( serviceid )
{
if ( !type.isNull() )
{
//User connects to somebody else's desktop, used for krfb
if ( type.lower() == "shared" )
setText( 1, i18n( "Shared Desktop" ) );
//User connects to desktop that exists only on the network
else if ( type.lower() == "private" )
setText( 1, i18n( "Standalone Desktop" ) );
}
if ( !desc.isNull() )
setText( 0, desc );
if ( ( !userid.isEmpty() ) && ( !fullname.isEmpty() ) )
setText( 0, TQString( "%1 (%2)" ).tqarg( fullname ).tqarg( userid ) );
else if ( !userid.isNull() )
setText( 0, userid );
else if ( !fullname.isNull() )
setText( 0, fullname );
}
TQString url()
{
return m_url;
}
const TQString& serviceid() const
{
return m_serviceid;
}
protected:
TQString m_url;
TQString m_serviceid;
};
MainDialogWidget::MainDialogWidget( TQWidget *tqparent, const char *name )
: MainDialogBase( tqparent, name ),
m_scanning( false )
{
HostPreferences *hp = HostPreferences::instance();
TQStringList list;
list = hp->serverCompletions();
m_serverInput->completionObject()->setItems( list );
list = hp->serverHistory();
m_serverInput->setHistoryItems( list );
m_searchInput->setTrapReturnKey( true );
connect( m_browsingView,
TQT_SIGNAL( selectionChanged( TQListViewItem * ) ),
TQT_SLOT( itemSelected( TQListViewItem * ) ) );
connect( m_browsingView,
TQT_SIGNAL( doubleClicked( TQListViewItem *, const TQPoint &, int ) ),
TQT_SLOT( itemDoubleClicked( TQListViewItem * ) ) );
connect( m_scopeCombo,
TQT_SIGNAL( activated( const TQString & ) ),
TQT_SLOT( scopeSelected( const TQString & ) ) );
connect( m_serverInput,
TQT_SIGNAL( returnPressed( const TQString & ) ),
TQT_SLOT( rescan() ) );
bool showBrowse = hp->showBrowsingPanel();
enableBrowsingArea( showBrowse );
m_locator_dnssd = new DNSSD::ServiceBrowser(TQStringList::split(',',"_rfb._tcp,_rdp._tcp"),0,DNSSD::ServiceBrowser::AutoResolve);
connect(m_locator_dnssd,TQT_SIGNAL(serviceAdded(DNSSD::RemoteService::Ptr)),
TQT_SLOT(addedService(DNSSD::RemoteService::Ptr)));
connect(m_locator_dnssd,TQT_SIGNAL(serviceRemoved(DNSSD::RemoteService::Ptr)),
TQT_SLOT(removedService(DNSSD::RemoteService::Ptr)));
m_locator_dnssd->startBrowse();
adjustSize();
}
MainDialogWidget::~MainDialogWidget()
{
delete m_locator_dnssd;
}
void MainDialogWidget::save()
{
HostPreferences *hp = HostPreferences::instance();
TQStringList list;
m_serverInput->addToHistory( m_serverInput->currentText() );
list = m_serverInput->completionObject()->items();
hp->setServerCompletions( list );
list = m_serverInput->historyItems();
hp->setServerHistory( list );
hp->setShowBrowsingPanel( m_browsingPanel->isVisible() );
}
void MainDialogWidget::setRemoteHost( const TQString &host )
{
m_serverInput->setEditText( host );
}
TQString MainDialogWidget::remoteHost()
{
return m_serverInput->currentText();
}
void MainDialogWidget::hostChanged( const TQString &text )
{
emit hostValid(text.tqcontains(TQRegExp(":[0-9]+$")) ||
text.tqcontains(TQRegExp("^vnc:/.+")) ||
text.tqcontains(TQRegExp("^rdp:/.+")));
}
void MainDialogWidget::toggleBrowsingArea()
{
enableBrowsingArea(!m_browsingPanel->isVisible());
}
void MainDialogWidget::enableBrowsingArea( bool enable )
{
int hOffset = 0;
if (enable)
{
m_browsingPanel->show();
m_browsingPanel->setMaximumSize(1000, 1000);
m_browsingPanel->setEnabled(true);
m_browseButton->setText(m_browseButton->text().tqreplace(">>", "<<"));
}
else
{
hOffset = m_browsingPanel->height();
m_browsingPanel->hide();
m_browsingPanel->setMaximumSize(0, 0);
m_browsingPanel->setEnabled(false);
m_browseButton->setText(m_browseButton->text().tqreplace("<<", ">>"));
int h = tqminimumSize().height()-hOffset;
setMinimumSize(tqminimumSize().width(), (h > 0) ? h : 0);
resize(width(), height()-hOffset);
TQTimer::singleShot( 0, parentWidget(), TQT_SLOT( adjustSize() ) );
}
if (enable)
rescan();
}
void MainDialogWidget::itemSelected( TQListViewItem *item )
{
UrlListViewItem *u = ( UrlListViewItem* ) item;
TQRegExp rx( "^service:remotedesktop\\.kde:([^;]*)" );
if ( rx.search( u->url() ) < 0 )
m_serverInput->setCurrentText( u->url());
else m_serverInput->setCurrentText( rx.cap( 1 ) );
}
void MainDialogWidget::itemDoubleClicked( TQListViewItem *item )
{
itemSelected( item );
emit accept();
}
void MainDialogWidget::scopeSelected( const TQString &scope )
{
TQString s = scope;
if ( s == i18n( "default" ) )
s = DEFAULT_SCOPE;
if ( m_scope == s )
return;
m_scope = s;
rescan();
}
void MainDialogWidget::rescan()
{
TQStringList scopeList;
if ( m_scanning )
return;
m_scanning = true;
m_rescanButton->setEnabled( false );
m_scopeCombo->setEnabled( false );
if ( !ensureLocatorOpen() )
return;
m_browsingView->clear();
TQString filter;
if ( !m_searchInput->text().stripWhiteSpace().isEmpty() ) {
TQString ef = KServiceLocator::escapeFilter(
m_searchInput->text().stripWhiteSpace() );
filter = "(|(|(description=*"+ef+"*)(username=*"+ef+"*))(fullname=*"+ef+"*))";
}
if ( !m_locator->findServices( "service:remotedesktop.kde",
filter, m_scope ) ) {
kdWarning() << "Failure in findServices()" << endl;
errorScanning();
return;
}
}
bool MainDialogWidget::ensureLocatorOpen()
{
if ( m_locator )
return true;
m_locator = new KServiceLocator();
if ( !m_locator->available() ) {
#ifdef HAVE_SLP
KMessageBox::error( 0,
i18n( "Browsing the network is not possible. You probably "
"did not install SLP support correctly." ),
i18n( "Browsing Not Possible" ), false );
#endif
return false;
}
connect( m_locator, TQT_SIGNAL( foundService( TQString,int ) ),
TQT_SLOT( foundService( TQString,int ) ) );
connect( m_locator, TQT_SIGNAL( lastServiceSignal( bool ) ),
TQT_SLOT( lastSignalServices( bool ) ) );
connect( m_locator, TQT_SIGNAL( foundScopes( TQStringList ) ),
TQT_SLOT( foundScopes( TQStringList ) ) );
return true;
}
void MainDialogWidget::errorScanning()
{
KMessageBox::error( 0,
i18n( "An error occurred while scanning the network." ),
i18n( "Error While Scanning" ), false );
finishScanning();
}
void MainDialogWidget::finishScanning()
{
m_rescanButton->setEnabled( true );
m_scopeCombo->setEnabled( true );
m_scanning = false;
}
void MainDialogWidget::foundService( TQString url, int )
{
TQRegExp rx( "^service:remotedesktop\\.kde:(\\w+)://([^;]+);(.*)$" );
if ( rx.search( url ) < 0 )
{
rx = TQRegExp( "^service:remotedesktop\\.kde:(\\w+)://(.*)$" );
if ( rx.search( url ) < 0 )
return;
}
TQMap<TQString,TQString> map;
KServiceLocator::parseAttributeList( rx.cap( 3 ), map );
new UrlListViewItem( m_browsingView, url, rx.cap( 2 ), rx.cap( 1 ),
KServiceLocator::decodeAttributeValue( map[ "type" ] ),
KServiceLocator::decodeAttributeValue( map[ "username" ] ),
KServiceLocator::decodeAttributeValue( map[ "fullname" ] ),
KServiceLocator::decodeAttributeValue( map[ "description" ] ),
KServiceLocator::decodeAttributeValue( map[ "serviceid" ] ) );
}
void MainDialogWidget::addedService( DNSSD::RemoteService::Ptr service )
{
TQString type = service->type().mid(1,3);
if (type == "rfb") type = "vnc";
TQString url = type+"://"+service->hostName()+":"+TQString::number(service->port());
new UrlListViewItem( m_browsingView, url, service->serviceName(),
type.upper(),service->textData()["type"],
service->textData()["u"],service->textData()["fullname"],
service->textData()["description"],service->serviceName()+service->domain());
}
void MainDialogWidget::removedService( DNSSD::RemoteService::Ptr service )
{
TQListViewItemIterator it( m_browsingView );
while ( it.current() ) {
if ( ((UrlListViewItem*)it.current())->serviceid() == service->serviceName()+service->domain() )
delete it.current();
else ++it;
}
}
void MainDialogWidget::lastSignalServices( bool success )
{
if ( !success )
{
errorScanning();
return;
}
if ( !m_locator->findScopes() )
{
kdWarning() << "Failure in findScopes()" << endl;
errorScanning();
}
}
void MainDialogWidget::foundScopes( TQStringList scopeList )
{
int di = scopeList.tqfindIndex( DEFAULT_SCOPE );
if ( di >= 0 )
scopeList[ di ] = i18n( "default" );
int ct = scopeList.tqfindIndex( m_scopeCombo->currentText() );
m_scopeCombo->clear();
m_scopeCombo->insertStringList( scopeList );
if ( ct >= 0 )
m_scopeCombo->setCurrentItem( ct );
finishScanning();
}
#include "maindialogwidget.moc"