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/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 336 insertions, 0 deletions

diff --git a/akregator/src/viewer.cpp b/akregator/src/viewer.cpp
new file mode 100644
index 000000000..6490fb82a
--- /dev/null
+++ b/akregator/src/viewer.cpp
@@ -0,0 +1,336 @@
+/*
+    This file is part of Akregator.
+
+    Copyright (C) 2004 Teemu Rytilahti <tpr@d5k.net>
+                  2005 Frank Osterfeld <frank.osterfeld at kdemail.net>
+
+    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; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+    As a special exception, permission is given to link this program
+    with any edition of Qt, and distribute the resulting executable,
+    without including the source code for Qt in the source distribution.
+*/
+
+#include <kaction.h>
+#include <kapplication.h>
+#include <kfiledialog.h>
+#include <khtmlview.h>
+#include <kiconloader.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kpopupmenu.h>
+#include <kprocess.h>
+#include <krun.h>
+#include <kshell.h>
+#include <kurl.h>
+#include <kparts/browserextension.h>
+
+#include <qaccel.h>
+#include <qclipboard.h>
+#include <qpaintdevicemetrics.h>
+
+#include "viewer.h"
+#include "akregator_run.h"
+#include "akregatorconfig.h"
+
+namespace Akregator {
+
+Viewer::Viewer(QWidget *parent, const char *name)
+    : KHTMLPart(parent, name), m_url(0)
+{
+    setZoomFactor(100);
+    setMetaRefreshEnabled(true);
+    setDNDEnabled(true);
+    setAutoloadImages(true);
+    setStatusMessagesEnabled(true);
+
+    // change the cursor when loading stuff...
+    connect( this, SIGNAL(started(KIO::Job *)),
+             this, SLOT(slotStarted(KIO::Job *)));
+    connect( this, SIGNAL(completed()),
+             this, SLOT(slotCompleted()));
+
+    connect( browserExtension(), SIGNAL(popupMenu (KXMLGUIClient*, const QPoint&, const KURL&, const KParts::URLArgs&, KParts::BrowserExtension::PopupFlags, mode_t)), this, SLOT(slotPopupMenu(KXMLGUIClient*, const QPoint&, const KURL&, const KParts::URLArgs&, KParts::BrowserExtension::PopupFlags, mode_t)));
+
+    KStdAction::print(this, SLOT(slotPrint()), actionCollection(), "viewer_print");
+    KStdAction::copy(this, SLOT(slotCopy()), actionCollection(), "viewer_copy");
+    
+    new KAction( i18n("&Increase Font Sizes"), "viewmag+", "Ctrl+Plus", this, SLOT(slotZoomIn()), actionCollection(), "incFontSizes" );
+    new KAction( i18n("&Decrease Font Sizes"), "viewmag-", "Ctrl+Minus", this, SLOT(slotZoomOut()), actionCollection(), "decFontSizes" );
+
+    connect(this, SIGNAL(selectionChanged()), this, SLOT(slotSelectionChanged()));
+
+    connect( browserExtension(), SIGNAL(openURLRequestDelayed(const KURL&, const KParts::URLArgs&)), this, SLOT(slotOpenURLRequest(const KURL&, const KParts::URLArgs& )) );
+
+    new KAction(i18n("Copy &Link Address"), "", 0,
+                                 this, SLOT(slotCopyLinkAddress()),
+                                 actionCollection(), "copylinkaddress");
+    new KAction(i18n("&Save Link As..."), "", 0,
+                                 this, SLOT(slotSaveLinkAs()),
+                                 actionCollection(), "savelinkas");
+}
+
+Viewer::~Viewer()
+{}
+
+bool Viewer::closeURL()
+{
+    emit browserExtension()->loadingProgress(-1);
+    emit canceled(QString::null);
+    return KHTMLPart::closeURL();
+}
+
+int Viewer::pointsToPixel(int pointSize) const
+{
+    const QPaintDeviceMetrics metrics(view());
+    return ( pointSize * metrics.logicalDpiY() + 36 ) / 72 ;
+}
+
+void Viewer::displayInExternalBrowser(const KURL &url, const QString &mimetype)
+{
+   if (!url.isValid()) return;
+   if (Settings::externalBrowserUseKdeDefault())
+   {
+       if (mimetype.isEmpty()) 
+           kapp->invokeBrowser(url.url(), "0");
+       else
+           KRun::runURL(url, mimetype, false, false);
+   }
+   else
+   {
+       QString cmd = Settings::externalBrowserCustomCommand();
+       QString urlStr = url.url();
+       cmd.replace(QRegExp("%u"), urlStr);
+       KProcess *proc = new KProcess;
+       QStringList cmdAndArgs = KShell::splitArgs(cmd);
+       *proc << cmdAndArgs;
+       proc->start(KProcess::DontCare);
+       delete proc;
+   }
+}
+
+void Viewer::slotOpenURLRequest(const KURL& /*url*/, const KParts::URLArgs& /*args*/)
+{
+
+}
+
+void Viewer::urlSelected(const QString &url, int button, int state, const QString &_target, KParts::URLArgs args)
+{
+    m_url = completeURL(url);
+    browserExtension()->setURLArgs(args);
+    if (button == LeftButton)
+    {
+        switch (Settings::lMBBehaviour())
+        {
+            case Settings::EnumLMBBehaviour::OpenInExternalBrowser:
+                slotOpenLinkInBrowser();
+                break;
+            case Settings::EnumLMBBehaviour::OpenInBackground:
+                slotOpenLinkInBackgroundTab();
+                break;
+            default:
+                slotOpenLinkInForegroundTab();
+                break;
+        }
+        return;
+    }
+    else if (button == MidButton)
+    {
+        switch (Settings::mMBBehaviour())
+        {
+            case Settings::EnumMMBBehaviour::OpenInExternalBrowser:
+                slotOpenLinkInBrowser();
+                break;
+            case Settings::EnumMMBBehaviour::OpenInBackground:
+                slotOpenLinkInBackgroundTab();
+                break;
+            default:
+                slotOpenLinkInForegroundTab();
+                break;
+        }
+        return;
+    }
+    KHTMLPart::urlSelected(url,button,state,_target,args);
+}
+
+void Viewer::slotPopupMenu(KXMLGUIClient*, const QPoint& p, const KURL& kurl, const KParts::URLArgs&, KParts::BrowserExtension::PopupFlags kpf, mode_t)
+{
+   const bool isLink = (kpf & (KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowTextSelectionItems)) == 0;
+   const bool isSelection = (kpf & KParts::BrowserExtension::ShowTextSelectionItems) != 0;
+    
+   QString url = kurl.url();
+   
+   m_url = url;
+   KPopupMenu popup;
+   
+   if (isLink && !isSelection)
+   {
+        popup.insertItem(SmallIcon("tab_new"), i18n("Open Link in New &Tab"), this, SLOT(slotOpenLinkInForegroundTab()));
+        popup.insertItem(SmallIcon("window_new"), i18n("Open Link in External &Browser"), this, SLOT(slotOpenLinkInBrowser()));
+        popup.insertSeparator();
+        action("savelinkas")->plug(&popup);
+        action("copylinkaddress")->plug(&popup);
+   }
+   else
+   {
+       if (isSelection)
+       {
+            action("viewer_copy")->plug(&popup);
+            popup.insertSeparator();
+       }
+       action("viewer_print")->plug(&popup);
+       //KAction *ac = action("setEncoding");
+       //if (ac)
+       //     ac->plug(&popup);
+   }
+   popup.exec(p);
+}
+
+// taken from KDevelop
+void Viewer::slotCopy()
+{
+    QString text = selectedText();
+    text.replace( QChar( 0xa0 ), ' ' );
+    QClipboard *cb = QApplication::clipboard();
+    disconnect( cb, SIGNAL( selectionChanged() ), this, SLOT( slotClearSelection() ) );
+    cb->setText(text);
+    connect( cb, SIGNAL( selectionChanged() ), this, SLOT( slotClearSelection() ) );
+}
+
+void Viewer::slotCopyLinkAddress()
+{
+   if(m_url.isEmpty()) return;
+   QClipboard *cb = QApplication::clipboard();
+   cb->setText(m_url.prettyURL(), QClipboard::Clipboard);
+   cb->setText(m_url.prettyURL(), QClipboard::Selection);
+}
+
+void Viewer::slotSelectionChanged()
+{
+    action("viewer_copy")->setEnabled(!selectedText().isEmpty());
+}
+
+void Viewer::slotOpenLinkInternal()
+{
+   openURL(m_url);
+}
+
+void Viewer::slotOpenLinkInForegroundTab()
+{
+    emit urlClicked(m_url, this, true, false);
+}
+
+void Viewer::slotOpenLinkInBackgroundTab()
+{
+    emit urlClicked(m_url, this, true, true);
+}
+
+void Viewer::slotOpenLinkInThisTab()
+{
+    emit urlClicked(m_url, this, false, false);
+}
+
+void Viewer::slotOpenLinkInBrowser()
+{
+    displayInExternalBrowser(m_url, QString::null);
+}
+
+void Viewer::slotSaveLinkAs()
+{
+    KURL tmp( m_url );
+
+    if ( tmp.fileName(false).isEmpty() )
+        tmp.setFileName( "index.html" );
+    KParts::BrowserRun::simpleSave(tmp, tmp.fileName());
+}
+
+void Viewer::slotStarted(KIO::Job *)
+{
+   widget()->setCursor( waitCursor );
+}
+
+void Viewer::slotCompleted()
+{
+   widget()->unsetCursor();
+}
+
+void Viewer::slotScrollUp()
+{
+    view()->scrollBy(0,-10);
+}
+
+void Viewer::slotScrollDown()
+{
+    view()->scrollBy(0,10);
+}
+
+void Viewer::slotZoomIn()
+{
+    int zf = zoomFactor();
+    if (zf < 100)
+    {
+        zf = zf - (zf % 20) + 20;
+        setZoomFactor(zf);
+    }
+    else
+    {
+        zf = zf - (zf % 50) + 50;
+        setZoomFactor(zf < 300 ? zf : 300);
+    }
+}
+
+void Viewer::slotZoomOut()
+{
+    int zf = zoomFactor();
+    if (zf <= 100)
+    {
+        zf = zf - (zf % 20) - 20;
+        setZoomFactor(zf > 20 ? zf : 20);
+    }
+    else
+    {
+        zf = zf - (zf % 50) - 50;
+        setZoomFactor(zf);
+    }
+}
+
+void Viewer::slotSetZoomFactor(int percent)
+{
+    setZoomFactor(percent);
+}
+
+// some code taken from KDevelop (lib/widgets/kdevhtmlpart.cpp)
+void Viewer::slotPrint( )
+{
+    view()->print();
+}
+
+
+void Viewer::setSafeMode()
+{
+    //setJScriptEnabled(false);
+    setJavaEnabled(false);
+    setMetaRefreshEnabled(false);
+    setPluginsEnabled(false);
+    setDNDEnabled(true);
+    setAutoloadImages(true);
+    setStatusMessagesEnabled(false);
+}
+
+} // namespace Akregator
+
+#include "viewer.moc"
+
+// vim: set et ts=4 sts=4 sw=4: