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280 lines
9.2 KiB
280 lines
9.2 KiB
// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*-
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/***************************************************************************
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sidebar_news.cpp - The real sidebar plugin
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-------------------
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begin : Sat June 23 13:35:30 CEST 2001
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copyright : (C) 2001,2002 Marcus Camen, Joseph Wenninger
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copyright : (C) 2003,2004 Marcus Camen
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email : Marcus Camen <mcamen@mcamen.de>
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idea and original code: jowenn@kde.org
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***************************************************************************/
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <dcopclient.h>
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#include <qtimer.h>
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#include <qbuffer.h>
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#include <qwidgetstack.h>
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#include <kdebug.h>
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#include <kapplication.h>
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <kdesktopfile.h>
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#include <kiconloader.h>
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#include <kdemacros.h>
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#include "sidebar_news.h"
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#include "nsstacktabwidget.h"
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#include "norsswidget.h"
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#include "sidebarsettings.h"
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namespace KSB_News {
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KonqSidebar_News::KonqSidebar_News(KInstance *inst, QObject *parent,
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QWidget *widgetParent,
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QString &desktopName, const char* name)
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: KonqSidebarPlugin(inst, parent, widgetParent, desktopName, name),
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DCOPObject("sidebar-newsticker")
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{
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// get the application icon
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// FIXME: as konqueror knows the icon there might be a possibility to
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// access the already present QPixmap
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KDesktopFile desktopFile(desktopName, true);
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QString iconName = desktopFile.readIcon();
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KIconLoader iconLoader;
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m_appIcon = iconLoader.loadIcon(iconName, KIcon::Small);
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// create all sidebar widgets
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widgets = new QWidgetStack(widgetParent, "main_widgetstack");
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newswidget = new NSStackTabWidget(widgets, "feedbrowser_stackchld",
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m_appIcon);
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noRSSwidget = new NoRSSWidget(widgets, "nofeed_stackchld");
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widgets->addWidget(newswidget);
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widgets->addWidget(noRSSwidget);
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widgets->raiseWidget(noRSSwidget);
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noRSSwidget->show();
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// try to connect to the DCOP service
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if (checkDcopService() > 0) {
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KMessageBox::sorry(widgets,
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i18n("<qt>Cannot connect to RSS service. Please make "
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"sure the <strong>rssservice</strong> program "
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"is available (usually distributed as part "
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"of kdenetwork).</qt>"),
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i18n("Sidebar Newsticker"));
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noRSSwidget->setEnabled(false);
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} else {
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m_rssservice = DCOPRef("rssservice", "RSSService");
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QStringList reslist = SidebarSettings::sources();
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QStringList::iterator it;
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for (it = reslist.begin(); it != reslist.end(); ++it) {
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addedRSSSource(*it);
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}
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// fetch added and removed RSS sources
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connectDCOPSignal("rssservice", m_rssservice.obj(), "added(QString)",
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"addedRSSSource(QString)", false);
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connectDCOPSignal("rssservice", m_rssservice.obj(), "removed(QString)",
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"removedRSSSource(QString)", false);
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// show special widget if there are no RSS sources available
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if (newswidget->isEmpty()) {
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widgets->raiseWidget(noRSSwidget);
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noRSSwidget->show();
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} else {
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widgets->raiseWidget(newswidget);
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}
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}
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}
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KonqSidebar_News::~KonqSidebar_News() {
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}
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void *KonqSidebar_News::provides(const QString &) {return 0;}
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void KonqSidebar_News::emitStatusBarText (const QString &) {;}
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QWidget *KonqSidebar_News::getWidget(){return widgets;}
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void KonqSidebar_News::handleURL(const KURL &/*url*/) {;}
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///////// startup of the DCOP servce ///////////////////////////////////////
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int KonqSidebar_News::checkDcopService() {
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QString rdfservice_error;
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int err = 0;
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if (! kapp->dcopClient()->isApplicationRegistered("rssservice"))
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if (KApplication::startServiceByDesktopName("rssservice", QString(),
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&rdfservice_error) > 0)
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err = 1;
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return err;
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}
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///////// helper methods ///////////////////////////////////////////////////
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NSPanel *KonqSidebar_News::getNSPanelByKey(QString key) {
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NSPanel *nsp = NULL, *current_nsp;
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for (current_nsp = nspanelptrlist.first(); current_nsp;
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current_nsp = nspanelptrlist.next()) {
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if (current_nsp->key() == key)
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nsp = current_nsp;
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}
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return nsp;
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}
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void KonqSidebar_News::addedRSSSource(QString key) {
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kdDebug(90140) << "KonqSidebar_News::addedRSSSource: " << key << endl;
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// Only add RSS source if we have registered the URI before in
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// NSStackTabWidget.
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if (newswidget->isRegistered(key)) {
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NSPanel *nspanel = new NSPanel(this,
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QString(QString("sidebar-newsticker-")+key).latin1(),
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key, &m_rssservice);
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nspanel->setTitle(key);
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nspanelptrlist.append(nspanel);
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// add preliminary widgets for this newssource
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if (! nspanel->listbox()) {
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TTListBox *listbox = new TTListBox(newswidget, "article_lb");
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newswidget->addStackTab(nspanel, listbox);
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connect(listbox, SIGNAL(executed(QListBoxItem *)),
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this, SLOT(slotArticleItemExecuted(QListBoxItem *)));
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listbox->insertItem(i18n("Connecting..." ));
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nspanel->setListbox(listbox);
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}
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// listen to updates
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connect(nspanel, SIGNAL(documentUpdated(NSPanel *)),
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this, SLOT(updateArticles(NSPanel *)));
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connect(nspanel, SIGNAL(documentUpdated(NSPanel *)),
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this, SLOT(updateTitle(NSPanel *)));
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connect(nspanel, SIGNAL(pixmapUpdated(NSPanel *)),
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this, SLOT(updatePixmap(NSPanel *)));
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if (widgets->visibleWidget() != newswidget)
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widgets->raiseWidget(newswidget);
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}
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}
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void KonqSidebar_News::removedRSSSource(QString key) {
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kdDebug(90140) << "inside KonqSidebar_News::removedSource " << key << endl;
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if (NSPanel *nsp = getNSPanelByKey(key)) {
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newswidget->delStackTab(nsp);
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delete nspanelptrlist.take(nspanelptrlist.findRef(nsp));
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} else
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kdWarning() << "removedSource called for non-existing id" << endl;
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if (newswidget->isEmpty())
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widgets->raiseWidget(noRSSwidget);
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}
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/////////////////////////////////////////////////////////////////////
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void KonqSidebar_News::slotArticleItemExecuted(QListBoxItem *item) {
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if (!item) return;
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NSPanel *current_nspanel, *nspanel = NULL;
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for (current_nspanel = nspanelptrlist.first(); current_nspanel;
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current_nspanel = nspanelptrlist.next()) {
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if (current_nspanel->listbox() == item->listBox())
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nspanel = current_nspanel;
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}
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int subid = nspanel->listbox()->index(item);
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QString link = nspanel->articleLinks()[subid];
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emit openURLRequest(KURL(link));
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}
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//////////// update article headlines ////////////
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void KonqSidebar_News::updateArticles(NSPanel *nsp) {
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nsp->listbox()->clear();
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QStringList articleList = nsp->articles();
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QStringList::iterator it;
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for (it = articleList.begin(); it != articleList.end(); ++it)
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nsp->listbox()->insertItem((*it));
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}
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/////////// Title stuff /////////////////////////////////////
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void KonqSidebar_News::updateTitle(NSPanel *nsp) {
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newswidget->updateTitle(nsp);
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}
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/////////// Pixmap stuff /////////////////////////////////////
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void KonqSidebar_News::updatePixmap(NSPanel *nsp) {
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newswidget->updatePixmap(nsp);
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}
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/////////////////////////////////////////////////////////
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extern "C" {
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KDE_EXPORT void* create_konq_sidebarnews(KInstance *instance, QObject *par,
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QWidget *widp,
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QString &desktopname,
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const char *name) {
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KGlobal::locale()->insertCatalogue("konqsidebar_news");
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return new KonqSidebar_News(instance, par, widp, desktopname, name);
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}
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}
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extern "C" {
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KDE_EXPORT bool add_konq_sidebarnews(QString* fn, QString*,
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QMap<QString,QString> *map) {
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map->insert("Type", "Link");
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map->insert("Icon", "konqsidebar_news");
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map->insert("Name", i18n("Newsticker"));
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map->insert("Open", "false");
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map->insert("X-KDE-KonqSidebarModule", "konq_sidebarnews");
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fn->setLatin1("news%1.desktop");
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return true;
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}
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}
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} // namespace KSB_News
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#include "sidebar_news.moc"
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