C++ kservice::Ptr类代码示例

void BasicTab::slotCapturedShortcut(const KShortcut &cut)
{
    if(signalsBlocked())
        return;

    if(KKeyChooser::checkGlobalShortcutsConflict(cut, true, topLevelWidget())
       || KKeyChooser::checkStandardShortcutsConflict(cut, true, topLevelWidget()))
        return;

    if(KHotKeys::present())
    {
        if(!_menuEntryInfo->isShortcutAvailable(cut))
        {
            KService::Ptr service;
            emit findServiceShortcut(cut, service);
            if(!service)
                service = KHotKeys::findMenuEntry(cut.toString());
            if(service)
            {
                KMessageBox::sorry(this, i18n("<qt>The key <b>%1</b> can not be used here because it is already used to activate <b>%2</b>.")
                                             .arg(cut.toString(), service->name()));
                return;
            }
            else
            {
                KMessageBox::sorry(this, i18n("<qt>The key <b>%1</b> can not be used here because it is already in use.").arg(cut.toString()));
                return;
            }
        }
        _menuEntryInfo->setShortcut(cut);
    }
    _keyEdit->setShortcut(cut, false);
    if(_menuEntryInfo)
        emit changed(_menuEntryInfo);
}

KTextEditor::Editor *EditorChooser::createEditor(QWidget *parentWidget, QObject *parent, const char *widgetName, const char *name,
                                                 const QString &postfix, bool fallBackToKatePart)
{

    KTextEditor::Editor *tmpEd = 0;

    KConfig *cfg = kapp->config();
    QString previousGroup = cfg->group();
    cfg->setGroup("KTEXTEDITOR:" + postfix);
    QString editor = cfg->readPathEntry("editor");
    cfg->setGroup(previousGroup);
    if(editor.isEmpty())
    {
        KConfig *config = new KConfig("default_components");
        config->setGroup("KTextEditor");
        editor = config->readPathEntry("embeddedEditor", "katepart");
        delete config;
    }

    KService::Ptr serv = KService::serviceByDesktopName(editor);
    if(serv)
    {
        tmpEd = KTextEditor::createEditor(serv->library().latin1(), parentWidget, widgetName, parent, name);
        if(tmpEd)
            return tmpEd;
    }
    if(fallBackToKatePart)
        return KTextEditor::createEditor("libkatepart", parentWidget, widgetName, parent, name);

    return 0;
}

void
KCustomMenuEditor::load(KConfigBase *cfg)
{
   cfg->setGroup(QString::null);
   int count = cfg->readNumEntry("NrOfItems");
   QListViewItem *last = 0;
   for(int i = 0; i < count; i++)
   {
      QString entry = cfg->readPathEntry(QString("Item%1").arg(i+1));
      if (entry.isEmpty())
         continue;

      // Try KSycoca first.
      KService::Ptr menuItem = KService::serviceByDesktopPath( entry );
      if (!menuItem)
         menuItem = KService::serviceByDesktopName( entry );
      if (!menuItem)
         menuItem = new KService( entry );

      if (!menuItem->isValid())
         continue;

      QListViewItem *item = new Item(m_listView, menuItem);
      item->moveItem(last);
      last = item;
   }
}

DVBevents::DVBevents( QString devType, int anum, int tnum, const QString &charset, EventTable *table )
	: KaffeineDVBsection( anum, tnum, charset )
{
	events = table;
	KaffeineEpgPlugin *plug;
	QString plugName;
	int error;

	KTrader::OfferList offers = KTrader::self()->query("KaffeineEpgPlugin");
	KTrader::OfferList::Iterator end( offers.end() );
	for ( KTrader::OfferList::Iterator it=offers.begin(); it!=end; ++it ) {
		error = 0;
		KService::Ptr ptr = (*it);
		if ( !ptr->name().contains(devType) )
			continue;
		plug = KParts::ComponentFactory::createPartInstanceFromService<KaffeineEpgPlugin>(ptr, 0, ptr->name().ascii(), 0, 0, 0, &error );
		plugName = ptr->desktopEntryName();
		if (error > 0) {
			fprintf( stderr, "Loading of EPG plugin %s failed: %s\n", plugName.ascii(), KLibLoader::self()->lastErrorMessage().ascii() );
			plug = NULL;
		}
		else {
			plugs.append( plug );
			plug->setTable( table );
			plug->initSection( anum, tnum, charset );
			plugNames.append( plugName );
		}
	}
	fprintf( stderr, "%d EPG plugins loaded for device %d:%d.\n", plugs.count(), anum, tnum );
}

void PluginManager::loadPlugins()
{
    KService::List offers = KServiceTypeTrader::self()->query(QLatin1String("KTpAccountsKCM/AccountUiPlugin"));

    KService::List::const_iterator iter;
    for (iter = offers.constBegin(); iter < offers.constEnd(); ++iter) {
       QString error;
       KService::Ptr service = *iter;

        KPluginFactory *factory = KPluginLoader(service->library()).factory();

        if (!factory) {
            qWarning() << "KPluginFactory could not load the plugin:" << service->library();
            continue;
        }

       AbstractAccountUiPlugin *plugin = factory->create<AbstractAccountUiPlugin>(this);

       if (plugin) {
           qDebug() << "Loaded plugin:" << service->name();
           m_plugins.append(plugin);
       } else {
           qDebug() << error;
       }
    }
}

bool
EngineController::installDistroCodec()
{
    KService::List services = KServiceTypeTrader::self()->query( "Amarok/CodecInstall"
        , QString( "[X-KDE-Amarok-codec] == 'mp3' and [X-KDE-Amarok-engine] == 'phonon-%1'").arg( "xine" ) );
    //todo - figure out how to query Phonon for the current backend loaded
    if( !services.isEmpty() )
    {
        KService::Ptr service = services.first(); //list is not empty
        QString installScript = service->exec();
        if( !installScript.isNull() ) //just a sanity check
        {
            KGuiItem installButton( i18n( "Install MP3 Support" ) );
            if(KMessageBox::questionYesNo( The::mainWindow()
            , i18n("Amarok currently cannot play MP3 files. Do you want to install support for MP3?")
            , i18n( "No MP3 Support" )
            , installButton
            , KStandardGuiItem::no()
            , "codecInstallWarning" ) == KMessageBox::Yes )
            {
                    KRun::runCommand(installScript, 0);
                    return true;
            }
        }
    }

    return false;
}

bool Helper::handleAppsDialog()
    {
    if( !readArguments( 1 ))
        return false;
    QString title = getArgument();
    long wid = getArgumentParent();
    if( !allArgumentsUsed())
        return false;
    KOpenWithDialog dialog( NULL );
    if( !title.isEmpty())
        dialog.setWindowTitle( title );
    dialog.hideNoCloseOnExit();
    dialog.hideRunInTerminal(); // TODO
    if( wid != 0 )
        KWindowSystem::setMainWindow( &dialog, wid );
    if( dialog.exec())
        {
        KService::Ptr service = dialog.service();
        QString command;
        if( service )
            command = service->exec();
        else if( !dialog.text().isEmpty())
            command = dialog.text();
        else
            return false;
        command = command.split( " " ).first(); // only the actual command
        command = QStandardPaths::findExecutable(command);
        if( command.isEmpty())
            return false;
        outputLine( QUrl::fromUserInput( command ).url());
        return true;
        }
    return false;
    }

bool DocumentationViewer::urlSelected(const QString &url, int button, int state, const QString &_target, const KParts::OpenUrlArguments &args, const KParts::BrowserArguments & /* browserArgs */)
{
	KUrl cURL = completeURL(url);
	QString mime = KMimeType::findByUrl(cURL).data()->name();

	//load this URL in the embedded viewer if KHTML can handle it, or when mimetype detection failed
	KService::Ptr service = KService::serviceByDesktopName("khtml");
	if(( mime == KMimeType::defaultMimeType() ) || (service && service->hasServiceType(mime))) {
		KHTMLPart::urlSelected(url, button, state, _target, args);
		openUrl(cURL);
		addToHistory(cURL.url());
	}
	//KHTML can't handle it, look for an appropriate application
	else {
		KService::List offers = KMimeTypeTrader::self()->query(mime, "Type == 'Application'");
		if(offers.isEmpty()) {
			KMessageBox::error(view(), i18n("No KDE service found for the MIME type \"%1\".", mime));
			return false;
		}
		KUrl::List lst;
		lst.append(cURL);
		KRun::run(*(offers.first()), lst, view());
	}
	return true;
}

MainWindow::MainWindow(KTextEditor::Document* doc)
    : document(0),
      view(0)
{
    if(!doc) {
        KTextEditor::Editor* editor = NULL;
        KService::Ptr serv = KService::serviceByDesktopName("yzispart");

        if(!serv) {
            KMessageBox::error(this, "Could not find yzispart!");
            kapp->exit(-1);
        } else {
            editor = KTextEditor::editor(serv->library().toLatin1());

            if(!editor) {
                KMessageBox::error(this, "Could not create yziskpart editor component");
                kapp->exit(-1);
            }
        }

        document = editor->createDocument(0);
    } else {
        document = doc;
    }

    view = qobject_cast< KTextEditor::View* >(document->createView(this));
    setCentralWidget(view);
    guiFactory()->addClient(view);
    show();
}

PluginData PluginLoader::instantiatePluginForDevice(const QString& name, Device* device) const
{
    PluginData ret;

    KService::Ptr service = plugins[name];
    if (!service) {
        kDebug(kdeconnect_kded()) << "Plugin unknown" << name;
        return ret;
    }

    KPluginFactory *factory = KPluginLoader(service->library()).factory();
    if (!factory) {
        kDebug(kdeconnect_kded()) << "KPluginFactory could not load the plugin:" << service->library();
        return ret;
    }

    ret.interfaces = service->property("X-KdeConnect-SupportedPackageType", QVariant::StringList).toStringList();

    QVariant deviceVariant = QVariant::fromValue<Device*>(device);

    //FIXME any reason to use QObject in template param instead KdeConnectPlugin?
    ret.plugin = factory->create<KdeConnectPlugin>(device, QVariantList() << deviceVariant);
    if (!ret.plugin) {
        kDebug(kdeconnect_kded()) << "Error loading plugin";
        return ret;
    }

    kDebug(kdeconnect_kded()) << "Loaded plugin:" << service->name();
    return ret;
}

void KateFileTree::slotFixOpenWithMenu()
{
  QMenu *menu = (QMenu*)sender();
  menu->clear();
  
   KTextEditor::Document *doc = model()->data(m_indexContextMenu, KateFileTreeModel::DocumentRole).value<KTextEditor::Document *>();
  if (!doc) return;

  // get a list of appropriate services.
  KMimeType::Ptr mime = KMimeType::mimeType(doc->mimeType());
  //kDebug(13001) << "mime type: " << mime->name();

  QAction *a = 0;
  KService::List offers = KMimeTypeTrader::self()->query(mime->name(), "Application");
  // for each one, insert a menu item...
  for(KService::List::Iterator it = offers.begin(); it != offers.end(); ++it)
  {
    KService::Ptr service = *it;
    if (service->name() == "Kate") continue;
    a = menu->addAction(KIcon(service->icon()), service->name());
    a->setData(service->entryPath());
  }
  // append "Other..." to call the KDE "open with" dialog.
  a = menu->addAction(i18n("&Other..."));
  a->setData(QString());
}

void SettingsBase::initApplication()
{
    // Prepare the menu of all modules
    categories = KServiceTypeTrader::self()->query("SystemSettingsCategory");
    modules = KServiceTypeTrader::self()->query("KCModule", "[X-KDE-System-Settings-Parent-Category] != ''");
    modules += KServiceTypeTrader::self()->query("SystemSettingsExternalApp");
    rootModule = new MenuItem( true, 0 );
    initMenuList(rootModule);
    // Handle lost+found modules...
    if (lostFound) {
        for (int i = 0; i < modules.size(); ++i) {
            const KService::Ptr entry = modules.at(i);
            MenuItem * infoItem = new MenuItem(false, lostFound);
            infoItem->setService( entry );
            qDebug() << "Added " << entry->name();
        }
    }

    // Prepare the Base Data
    BaseData::instance()->setMenuItem( rootModule );
    // Load all possible views
    const KService::List pluginObjects = KServiceTypeTrader::self()->query( "SystemSettingsView" );
    const int nbPlugins = pluginObjects.count();
    for( int pluginsDone = 0; pluginsDone < nbPlugins ; ++pluginsDone ) {
        KService::Ptr activeService = pluginObjects.at( pluginsDone );
        QString error;
        BaseMode * controller = activeService->createInstance<BaseMode>(this, QVariantList(), &error);
        if( error.isEmpty() ) {
            possibleViews.insert( activeService->library(), controller );
            controller->init( activeService );
            connect(controller, SIGNAL(changeToolBarItems(BaseMode::ToolBarItems)), this, SLOT(changeToolBar(BaseMode::ToolBarItems)));
            connect(controller, SIGNAL(actionsChanged()), this, SLOT(updateViewActions()));
            connect(searchText, SIGNAL(textChanged(QString)), controller, SLOT(searchChanged(QString)));
            connect(controller, SIGNAL(viewChanged(bool)), this, SLOT(viewChange(bool)));
        } else {

void ApplicationsProtocol::stat(const KUrl& url)
{
    KIO::UDSEntry entry;

    QString servicePath( url.path( KUrl::AddTrailingSlash ) );
    servicePath.remove(0, 1); // remove starting '/'

    KServiceGroup::Ptr grp = KServiceGroup::group(servicePath);

    if (grp && grp->isValid()) {
        createDirEntry(entry, ((m_runMode==ApplicationsMode) ? i18n("Applications") : i18n("Programs")),
                       url.url(), "inode/directory",grp->icon() );
    } else {
        KService::Ptr service = KService::serviceByDesktopName( url.fileName() );
        if (service && service->isValid()) {
            createFileEntry(entry, service, url );
        } else {
            error(KIO::ERR_SLAVE_DEFINED,i18n("Unknown application folder"));
            return;
        }
    }

    statEntry(entry);
    finished();
}

QVariant RecentAppsModel::data(const QModelIndex &index, int role) const
{
    if (!index.isValid() || index.row() >= m_recentApps.count()) {
        return QVariant();
    }

    const QString storageId = m_recentApps.at(index.row());
    KService::Ptr service = KService::serviceByStorageId(storageId);

    if (!service) {
        return QVariant();
    }

    if (role == Qt::DisplayRole) {
        return service->name();
    } else if (role == Qt::DecorationRole) {
        return QIcon::fromTheme(service->icon(), QIcon::fromTheme("unknown"));
    } else if (role == Kicker::FavoriteIdRole) {
        return QVariant("app:" + storageId);
    } else if (role == Kicker::HasActionListRole) {
        return true;
    } else if (role == Kicker::ActionListRole) {
        QVariantList actionList;

        const QVariantMap &forgetAction = Kicker::createActionItem(i18n("Forget Application"), "forget");
        actionList.append(forgetAction);

        const QVariantMap &forgetAllAction = Kicker::createActionItem(i18n("Forget All Applications"), "forgetAll");
        actionList.append(forgetAllAction);

        return actionList;
    }

    return QVariant();
}

    void addRecentApplication(KService::Ptr service, bool append) {
        // remove existing item if any
        if (removeExistingItem(service->entryPath())) {
            --recentApplicationCount;
        }

        QStandardItem *appItem = StandardItemFactory::createItemForService(service, displayOrder);
        appItem->setData(applicationTitle, Kickoff::GroupNameRole);
        itemsByPath.insert(service->entryPath(), appItem);

        if (append) {
            q->insertRow(recentApplicationCount, appItem);
        } else {
            q->insertRow(0, appItem);
        }
        ++recentApplicationCount;

        while (recentApplicationCount > maxRecentApps) {
            --recentApplicationCount;
            QList<QStandardItem*> row = q->takeRow(recentApplicationCount);

            //don't leave pending stuff in itemsByPath
            if (!row.isEmpty()) {
                itemsByPath.remove(row.first()->data(UrlRole).toString());
                qDeleteAll(row.begin(), row.end());
            }
        }
    }