Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaddons@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 365 insertions, 0 deletions

diff --git a/konq-plugins/sidebar/newsticker/nsstacktabwidget.cpp b/konq-plugins/sidebar/newsticker/nsstacktabwidget.cpp
new file mode 100644
index 0000000..74aa07e
--- /dev/null
+++ b/konq-plugins/sidebar/newsticker/nsstacktabwidget.cpp
@@ -0,0 +1,365 @@
+// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*-
+
+/***************************************************************************
+                          nsstacktabwidget.cpp  -  description
+                             -------------------
+    begin                : Sat 07.09.2002
+    copyright            : (C) 2002-2004 Marcus Camen
+    email                : mcamen@mcamen.de
+***************************************************************************/
+
+/*
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Library General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  This library 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
+  Library General Public License for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with this library; see the file COPYING.LIB.  If not, write to
+  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+*/
+
+#include <qpushbutton.h>
+#include <qlayout.h>
+#include <qscrollview.h>
+#include <qptrdict.h>
+#include <qsizepolicy.h>
+#include <qtooltip.h>
+#include <qcursor.h>
+#include <qimage.h>
+#include <kdebug.h>
+#include <kaboutdata.h>
+#include <kaboutapplication.h>
+#include <kpopupmenu.h>
+#include <kiconloader.h>
+#include <kstringhandler.h>
+#include <kapplication.h>
+#include <kbugreport.h>
+#include <kstdguiitem.h>
+#include <kconfigdialog.h>
+#include "sidebarsettings.h"
+#include "configfeeds.h"
+#include "nsstacktabwidget.h"
+
+
+namespace KSB_News {
+
+  NSStackTabWidget::NSStackTabWidget(QWidget *parent, const char *name,
+                                     QPixmap appIcon) : QWidget(parent, name) {
+    currentPage = 0;
+    layout = new QVBoxLayout(this);
+
+    pagesheader.setAutoDelete(TRUE);
+    pages.setAutoDelete(TRUE);
+
+    // about dialog
+    m_aboutdata = new KAboutData("konq_sidebarnews",
+                                 I18N_NOOP("Newsticker"),
+                                 KDE::versionString(),
+                                 I18N_NOOP("RSS Feed Viewer"),
+                                 KAboutData::License_LGPL,
+                                 I18N_NOOP("(c) 2002-2004, the Sidebar Newsticker developers"));
+    m_aboutdata->addAuthor("Marcus Camen", I18N_NOOP("Maintainer"),
+                           "mcamen@mcamen.de");
+    m_aboutdata->addAuthor("Frerich Raabe", "librss",
+                           "raabe@kde.org");
+    m_aboutdata->addAuthor("Ian Reinhart Geiser", "dcoprss",
+                           "geiseri@kde.org");
+    m_aboutdata->addAuthor("Joseph Wenninger",
+                           I18N_NOOP("Idea and former maintainer"),
+                           "jowenn@kde.org");
+    m_aboutdata->setProductName("konqueror/sidebar newsticker");
+    m_about = new KAboutApplication(m_aboutdata, this);
+
+
+    // bugreport dialog
+    m_bugreport = new KBugReport(0, true, m_aboutdata);
+
+
+    // popup menu
+    popup = new KPopupMenu(this);
+    popup->insertItem(KStdGuiItem::configure().iconSet(),
+                      i18n("&Configure Newsticker..."), this,
+                      SLOT(slotConfigure()));
+    popup->insertItem(SmallIconSet("reload"), i18n("&Reload"), this,
+                      SLOT(slotRefresh()));
+    popup->insertItem(KStdGuiItem::close().iconSet(),
+                      KStdGuiItem::close().text(), this, SLOT(slotClose()));
+    popup->insertSeparator();
+
+    // help menu
+    helpmenu = new KPopupMenu(this);
+    helpmenu->insertItem(appIcon, i18n("&About Newsticker"), this,
+                      SLOT(slotShowAbout()));
+    helpmenu->insertItem(i18n("&Report Bug..."), this,
+                      SLOT(slotShowBugreport()));
+
+    popup->insertItem(KStdGuiItem::help().iconSet(),
+                      KStdGuiItem::help().text(), helpmenu);
+
+
+    // read configuration from disk and initialize widget
+    m_our_rsssources = SidebarSettings::sources();
+  }
+
+
+  void NSStackTabWidget::addStackTab(NSPanel *nsp, QWidget *page) {
+    QPushButton *button = new QPushButton(this);
+
+    button->setText(KStringHandler::rPixelSqueeze(nsp->title(),
+                                                  button->fontMetrics(),
+                                                  button->width() - 4 ));
+    button->setSizePolicy(QSizePolicy(QSizePolicy::Preferred,
+                                      QSizePolicy::Preferred));
+    connect(button, SIGNAL(clicked()), this, SLOT(buttonClicked()));
+    QToolTip::add(button, nsp->title());
+
+    // eventFiler for the title button
+    button->installEventFilter(this);
+
+    QScrollView *sv = new QScrollView(this);
+    sv->setResizePolicy(QScrollView::AutoOneFit);
+    sv->addChild(page);
+    sv->setFrameStyle(QFrame::NoFrame);
+    page->show();
+
+    pagesheader.insert(nsp, button);
+    pages.insert(nsp, sv);
+
+    layout->addWidget(button);
+    layout->addWidget(sv);
+    button->show();
+    if (pages.count() == 1) {
+      currentPage = sv;
+      sv->show();
+    } else {
+      sv->hide();
+    }
+  }
+
+
+
+  void NSStackTabWidget::delStackTab(NSPanel *nsp) {
+    pages.remove(nsp);
+    pagesheader.remove(nsp);
+
+    if (pages.count() >= 1) {
+      QPtrDictIterator<QWidget> it(pages);
+      QWidget *previousPage = currentPage;
+      currentPage = it.current();
+      if (currentPage != previousPage)
+        currentPage->show();
+    }
+  }
+
+
+
+  void NSStackTabWidget::updateTitle(NSPanel *nsp) {
+    QPushButton *pb = (QPushButton *)pagesheader.find(nsp);
+    if (! pb->pixmap())
+      pb->setText(nsp->title());
+  }
+
+
+
+  void NSStackTabWidget::updatePixmap(NSPanel *nsp) {
+    QPushButton *pb = (QPushButton *)pagesheader.find(nsp);
+    QPixmap pixmap = nsp->pixmap();
+    if ((pixmap.width() > 88) || (pixmap.height() > 31)) {
+      QImage image = pixmap.convertToImage();
+      pixmap.convertFromImage(image.smoothScale(88, 31, QImage::ScaleMin));
+    }
+    pb->setPixmap(pixmap);
+  }
+
+
+
+
+  void NSStackTabWidget::buttonClicked() {
+    QPushButton *pb = (QPushButton*)sender();
+    NSPanel *nsp = NULL;
+
+    // Which NSPanel belongs to pb
+    QPtrDictIterator<QWidget> it(pagesheader);
+    for (; it.current(); ++it) {
+      QPushButton *currentWidget = (QPushButton *)it.current();
+      if (currentWidget == pb)
+        nsp = (NSPanel *)it.currentKey();
+    }
+
+    if (! nsp)
+      return;
+
+    // Find current ScrollView
+    QWidget *sv = pages.find(nsp);
+
+    // Change visible page
+    if (currentPage != sv) {
+      nsp->refresh();
+      if (currentPage)
+        currentPage->hide();
+      currentPage = sv;
+      currentPage->show();
+    }
+  }
+
+
+
+  bool NSStackTabWidget::eventFilter(QObject *obj, QEvent *ev) {
+    if (ev->type() == QEvent::MouseButtonPress
+        && ((QMouseEvent *)ev)->button() == QMouseEvent::RightButton) {
+      m_last_button_rightclicked = (QPushButton *)obj;
+      popup->exec(QCursor::pos());
+      return true;
+    } else if (ev->type() == QEvent::Resize) {
+      QPushButton *pb = (QPushButton *)obj;
+
+      const QPixmap *pm = pb->pixmap();
+      if ( ! pm ) {
+        // Which NSPanel belongs to pb
+        NSPanel *nsp = NULL;
+        QPtrDictIterator<QWidget> it(pagesheader);
+        for (; it.current(); ++it) {
+          QPushButton *currentWidget = (QPushButton *)it.current();
+          if (currentWidget == pb)
+            nsp = (NSPanel *)it.currentKey();
+        }
+        pb->setText(KStringHandler::rPixelSqueeze(nsp->title(),
+                                                  pb->fontMetrics(),
+                                                  pb->width() - 4 ));
+      }
+      return true;
+    }
+    return false;   // pass through event
+  }
+
+
+  void NSStackTabWidget::slotConfigure() {
+    // An instance of your dialog could be already created and could be
+    // cached, in which case you want to display the cached dialog
+    // instead of creating another one
+    if (KConfigDialog::showDialog("settings"))
+      return;
+
+    // KConfigDialog didn't find an instance of this dialog, so lets create it
+    m_confdlg = new KConfigDialog(this, "settings", SidebarSettings::self(),
+                                  KDialogBase::Plain,
+                                  KDialogBase::Ok|KDialogBase::Cancel| \
+                                                  KDialogBase::Default| \
+                                                  KDialogBase::Apply,
+                                  KDialogBase::Ok,
+                                  true);
+    ConfigFeeds *conf_widget = new ConfigFeeds(0, "feedcfgdlg");
+    m_confdlg->addPage(conf_widget, i18n("RSS Settings"), QString());
+
+    // User edited the configuration - update your local copies of the 
+    // configuration data
+    connect(m_confdlg, SIGNAL(settingsChanged()), this,
+            SLOT(slotConfigure_okClicked()));
+
+    m_confdlg->show();
+  }
+
+
+  void NSStackTabWidget::slotConfigure_okClicked() {
+    DCOPRef rss_document("rssservice", "RSSService");
+
+    // remove old sources and old stack tabs
+    QStringList::iterator it;
+    for (it = m_our_rsssources.begin(); it != m_our_rsssources.end(); ++it) {
+      rss_document.call("remove", (*it));
+    }
+
+    // read list of sources
+    m_our_rsssources = SidebarSettings::sources();
+
+    // add new sources and new stack tabs
+    for (it = m_our_rsssources.begin(); it != m_our_rsssources.end(); ++it) {
+      rss_document.call("add", (*it));
+    }
+
+    // save configuration to disk
+    SidebarSettings::setSources(m_our_rsssources);
+    SidebarSettings::writeConfig();
+  }
+
+
+  void NSStackTabWidget::slotShowAbout() {
+    m_about->show();
+  }
+
+
+  void NSStackTabWidget::slotShowBugreport() {
+    m_bugreport->show();
+  }
+
+
+  void NSStackTabWidget::slotRefresh() {
+    NSPanel *nsp = NULL;
+
+    // find appendant NSPanel
+    QPtrDictIterator<QWidget> it(pagesheader);
+    for (; it.current(); ++it) {
+      QPushButton *currentWidget = (QPushButton *)it.current();
+      if (currentWidget == m_last_button_rightclicked)
+        nsp = (NSPanel *)it.currentKey();
+    }
+
+    if (! nsp) {
+      return;
+    } else {
+      nsp->refresh();
+    }
+  }
+
+
+  void NSStackTabWidget::slotClose() {
+    NSPanel *nsp = NULL;
+    // find appendant NSPanel
+    QPtrDictIterator<QWidget> it(pagesheader);
+    for (; it.current(); ++it) {
+      QPushButton *currentWidget = (QPushButton *)it.current();
+      if (currentWidget == m_last_button_rightclicked)
+        nsp = (NSPanel *)it.currentKey();
+    }
+
+    if (! nsp) {
+      return;
+    } else {
+      // TODO: check, if rssservice is available
+
+      // deregister RSS source and save configuration to disk
+      m_our_rsssources.remove(nsp->key());
+      SidebarSettings::setSources(m_our_rsssources);
+      SidebarSettings::writeConfig();
+
+      DCOPRef rss_document("rssservice", "RSSService");
+      rss_document.call("remove", nsp->key());
+    }
+  }
+
+
+  bool NSStackTabWidget::isEmpty() const {
+    return pagesheader.isEmpty();
+  }
+
+
+  bool NSStackTabWidget::isRegistered(const QString &key) {
+    m_our_rsssources = SidebarSettings::sources();
+    if (m_our_rsssources.findIndex(key) == -1)
+      return false;
+    else
+      return true;
+  }
+
+
+} // namespace KSB_News;
+
+
+#include "nsstacktabwidget.moc"