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

3 files changed, 272 insertions, 0 deletions

diff --git a/quanta/parts/preview/Makefile.am b/quanta/parts/preview/Makefile.am
new file mode 100644
index 00000000..a449f9c4
--- /dev/null
+++ b/quanta/parts/preview/Makefile.am
@@ -0,0 +1,7 @@
+noinst_LTLIBRARIES = libpreview.la
+
+METASOURCES = AUTO
+
+libpreview_la_SOURCES = whtmlpart.cpp
+
+AM_CPPFLAGS = -I$(top_srcdir)/quanta/utility $(all_includes)
diff --git a/quanta/parts/preview/whtmlpart.cpp b/quanta/parts/preview/whtmlpart.cpp
new file mode 100644
index 00000000..b84ffe5c
--- /dev/null
+++ b/quanta/parts/preview/whtmlpart.cpp
@@ -0,0 +1,189 @@
+/***************************************************************************
+                          whtmlpart.cpp  -  description
+                             -------------------
+    begin                : Fri Aug 18 2000
+    copyright            : (C) 2000 by Dmitry Poplavsky & Alexander Yakovlev & Eric Laffoon <pdima@users.sourceforge.net,yshurik@linuxfan.com,sequitur@easystreet.com>
+                           (C) 2002, 2004, 2005 Andras Mantia <amantia@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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+ 
+//qt includes
+#include <qfileinfo.h>
+#include <qtextcodec.h>
+
+//kde includes
+#include <kconfig.h>
+#include <kdebug.h>
+#include <kdeversion.h>
+#include <khtml_settings.h>
+#include <khtmlview.h>
+#include <klocale.h>
+#include <kpopupmenu.h>
+#include <ktempfile.h>
+
+//app includes
+#include "whtmlpart.h"
+#include "resource.h"
+
+WHTMLPart::WHTMLPart(QWidget *parentWidget, const char *widgetName, bool enableViewSource, 
+            QObject *parent, const char *name, GUIProfile prof)
+  : KHTMLPart(parentWidget, widgetName, parent, name, prof), m_contextMenu(0)
+{
+  //kdDebug(24000) << "WHTMLPart: " << parentWidget << " " << widgetName << " " << parent << " " << name << this << endl;
+   hpos = 0;
+   // get settings from konq.
+   KConfig konqConfig("konquerorrc");
+
+   konqConfig.setGroup("HTML Settings");
+
+   const KHTMLSettings * set = settings();
+
+   const_cast<KHTMLSettings*>(set)->init( &konqConfig, false );
+   view()->installEventFilter(this);
+   
+   m_enableViewSource = enableViewSource;
+   if (m_enableViewSource)
+   {
+    m_contextMenu = new KPopupMenu(parentWidget);
+    m_contextMenu->insertItem(i18n("View &Document Source"), this, SLOT(slotViewSource()));
+    
+    connect(this, SIGNAL(popupMenu(const QString&, const QPoint&)), SLOT(popupMenu(const QString&, const QPoint&)));
+   }
+   connect(browserExtension(), SIGNAL(openURLRequest (const KURL &, const KParts::URLArgs &)), this, SLOT(openURL(const KURL&)));
+
+//   setCharset( konqConfig.readEntry("DefaultEncoding") );
+//   setEncoding( konqConfig.readEntry("DefaultEncoding") );
+//   setStandardFont( konqConfig.readEntry("StandardFont") );
+//   setFixedFont( konqConfig.readEntry("FixedFont") );
+//   updateFontSize( konqConfig.readNumEntry("FontSize"));
+}
+
+WHTMLPart::~WHTMLPart()
+{
+}
+
+void WHTMLPart::setPreviewedURL(const KURL &url)
+{
+  m_previewedURL = url;
+}
+
+bool WHTMLPart::openURL(const KURL& url)
+{
+  if (url == m_previewedURL)
+  {
+    KURL previewURL = url;
+    previewURL.setFileName("preview-" + url.fileName());
+    return KHTMLPart::openURL(previewURL);
+  } else
+    return KHTMLPart::openURL(url);
+}
+
+void  WHTMLPart::urlSelected ( const QString &url, int button, int state, const QString &target, KParts::URLArgs args)
+{
+  KHTMLPart::urlSelected (url, button, state, target, args);
+  KURL cURL = completeURL( url );
+//  alternative not tested but used in kdevelop !
+//  KURL cURL=KURL(baseURL(),url);
+  if (target.isEmpty() || (target == "_self") || (target == "_top") || (target == "_blank") || (target == "_parent") )
+    openURL( cURL ) ;
+  addToHistory( cURL.url() );
+}
+
+void WHTMLPart::forward()
+{
+  if ( forwardEnable() ) {
+    hpos++;
+    openURL( KURL( history.at(hpos) ) );
+
+    emit updateStatus( backEnable() , forwardEnable() );
+  }
+}
+
+
+void WHTMLPart::back()
+{
+  if (backEnable())
+  {
+    hpos--;
+    openURL(KURL(history.at(hpos)));
+
+    emit updateStatus(backEnable(), forwardEnable());
+  }
+}
+
+
+void WHTMLPart::addToHistory(const QString &url)
+{
+
+   if ( history.count() > 0 )
+     while ( hpos < history.count()-1  )
+         history.removeLast();
+
+   if ( !history.isEmpty() ) hpos++;
+
+   history.append(url);
+
+   hpos = history.count()-1;
+
+   emit updateStatus( backEnable() , forwardEnable() );
+
+}
+
+
+bool WHTMLPart::backEnable()
+{
+   return hpos > 0;
+}
+
+
+bool WHTMLPart::forwardEnable()
+{
+   return hpos < history.count()-1;
+}
+
+KParts::ReadOnlyPart *WHTMLPart::createPart( QWidget * parentWidget, const char *widgetName, 
+                                            QObject *parent, const char *name,
+                                            const QString &, QString &,
+                                            QStringList &, const QStringList &)
+{
+  //kdDebug(24000) << "Create WHTMLPart: " << parentWidget << " " << widgetName << " " << parent << " " << name << endl;
+  return new WHTMLPart(parentWidget, widgetName, m_enableViewSource, parent, name);
+}
+
+bool WHTMLPart::eventFilter(QObject *watched, QEvent *e)
+{
+  if (watched == view() && e->type() == QEvent::FocusOut && (!m_contextMenu || !m_contextMenu->hasFocus()))
+    emit previewHasFocus(false);
+  else
+  if (watched == view() && e->type() == QEvent::FocusIn)
+    emit previewHasFocus(true);
+  return false;
+}
+
+void WHTMLPart::popupMenu(const QString &/*url*/, const QPoint &point)
+{
+  m_contextMenu->popup(point);  
+}
+
+void WHTMLPart::slotViewSource()
+{  
+  KTempFile *tmpFile = new KTempFile(tmpDir + "-preview-", ".html");
+  QString tempFileName = QFileInfo(*(tmpFile->file())).filePath();
+  tmpFile->setAutoDelete(true);
+  tmpFile->textStream()->setCodec(QTextCodec::codecForName("utf8"));
+  *(tmpFile->textStream()) << documentSource();
+  tmpFile->close();
+  tempFileList.append(tmpFile);
+  emit showPreview(false);
+  emit openFile(KURL::fromPathOrURL(tmpFile->name()), "utf8", true);
+}
+
+#include "whtmlpart.moc"
diff --git a/quanta/parts/preview/whtmlpart.h b/quanta/parts/preview/whtmlpart.h
new file mode 100644
index 00000000..1c0c83c0
--- /dev/null
+++ b/quanta/parts/preview/whtmlpart.h
@@ -0,0 +1,76 @@
+/***************************************************************************
+                          whtmlpart.h  -  description
+                             -------------------
+    begin                : Fri Aug 18 2000
+    copyright            : (C) 2000 by Dmitry Poplavsky & Alexander Yakovlev & Eric Laffoon <pdima@users.sourceforge.net,yshurik@linuxfan.com,sequitur@easystreet.com>
+                           (C) 2002, 2004, 2005 Andras Mantia <amantia@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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef WHTMLPART_H
+#define WHTMLPART_H
+
+#include <qstrlist.h>
+
+#include <khtml_part.h>
+
+class KPopupMenu;
+/**
+  *@author Dmitry Poplavsky & Alexander Yakovlev & Eric Laffoon
+  */
+
+class WHTMLPart : public KHTMLPart  {
+   Q_OBJECT
+public:
+  WHTMLPart(QWidget *parentWidget = 0, const char *widgetname = 0, bool enableViewSource = false,
+            QObject *parent = 0, const char *name = 0, GUIProfile prof = DefaultGUI );
+  virtual ~WHTMLPart();
+
+  /** Specify the URL where the preview was started */
+  void setPreviewedURL(const KURL &url);
+  bool backEnable();
+  bool forwardEnable();
+  virtual bool openURL(const KURL &url);
+
+public slots:
+
+/** back(), forward() - navigation, using history.
+ */
+  void forward();
+  void back();
+  void popupMenu(const QString &url, const QPoint &point);
+  void slotViewSource();
+  
+  void addToHistory(const QString &url);
+  virtual bool eventFilter(QObject *watched, QEvent *e);
+
+signals:
+  void updateStatus( bool back, bool forward );
+  void previewHasFocus(bool focus);
+  void showPreview(bool show);
+  void openFile(const KURL&, const QString&, bool);
+
+protected:
+  virtual void urlSelected( const QString &url, int button, int state, const QString &_target, KParts::URLArgs args = KParts::URLArgs());
+  virtual KParts::ReadOnlyPart *createPart( QWidget *parentWidget, const char *widgetName,
+                                            QObject *parent, const char *name,
+                                            const QString &mimetype, QString &serviceName,
+                                            QStringList &serviceTypes, const QStringList &params);
+
+private:
+  KURL m_previewedURL;
+  KPopupMenu *m_contextMenu;
+  QStrList history;
+  unsigned int hpos;
+  bool m_enableViewSource;
+};
+
+#endif