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367 lines
11 KiB
367 lines
11 KiB
/***************************************************************************
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* *
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* Copyright (C) 2005, 2006 by Kevin Gilbert *
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* kev.gilbert@cdu.edu.au *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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 *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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***************************************************************************/
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#include <qfile.h>
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#include <qtextstream.h>
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#include <kapplication.h>
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#include <kconfig.h>
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#include <kdebug.h>
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#include <khtml_part.h>
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#include <khtmlview.h>
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <kprocess.h>
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#include <kstandarddirs.h>
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#include "htmlwidget.h"
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#include "knmap.h"
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#include "stylesheetdialog.h"
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const float HTMLWidget::m_zoomIncrement = 25;
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// constructor
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// ===========
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HTMLWidget::HTMLWidget( QStringList* stylesheetURLs, QWidget* parent, const char* name )
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: QWidget( parent, name ),
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m_dlg( NULL ),
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m_process( NULL ),
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m_stylesheetURLs( stylesheetURLs ),
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m_zoomFactor( 100 )
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{ m_htmlPart = new KHTMLPart( this, "html part" );
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m_htmlPart->setOnlyLocalReferences( true );
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}
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// destructor
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// ==========
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HTMLWidget::~HTMLWidget( )
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{ if( m_dlg != NULL )
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delete m_dlg;
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if( m_process != NULL )
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delete m_process;
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}
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// gotoAnchor
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// ==========
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void HTMLWidget::gotoAnchor( const QString& anchor )
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{ if( !m_htmlPart->gotoAnchor( anchor ))
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KMessageBox::sorry( this, i18n( "There does not appear to be ANY help available for the item you requested.\nSorry! Now piss off and stop bothering me.\nYou stink.\nYou've got bad breath.\nYour ugly.\nNobody loves you.\nNow for your bad points..." ), i18n( "No help available in Knmap page" ));
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}
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// loadKnmapManPage
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// ================
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void HTMLWidget::loadKnmapManPage( )
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{ if( !tryKnmapFile( ))
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{ m_htmlPart->begin( );
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m_htmlPart->write( i18n( "<h1 align=center>Missing File</h1>" ));
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m_htmlPart->write( i18n( "<p align=center>The file <b>knmap/nmap_manpage.html</b>, which is part of the <i>Knmap</i> package, could not be found." ));
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m_htmlPart->write(i18n( "<p align=center>As a result, the prepackaged <code>man</code> page for <i>Knmap</i> is not available." ));
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m_htmlPart->write( i18n( "<p align=center>You may be able to view your local <code>man</code> page for <i>nmap</i> by selecting <b>Settings / Use local man page</b>" ));
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m_htmlPart->end( );
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}
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m_htmlPart->setUserStyleSheet( m_stylesheetURL );
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m_htmlPart->setZoomFactor( int( m_zoomFactor ));
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}
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// loadLocalManPage
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// ================
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void HTMLWidget::loadLocalManPage( )
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{ m_process = new KProcess( );
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*m_process << "man";
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*m_process << "-w";
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*m_process << "nmap";
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connect( m_process, SIGNAL( processExited( KProcess* )), SLOT( slotManProcessExited( )));
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connect( m_process, SIGNAL( receivedStdout( KProcess*, char*, int )), SLOT( slotManReceivedStdout( KProcess*, char*, int )));
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m_manPagePath = QString::null;
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m_process->start( KProcess::NotifyOnExit, KProcess::Stdout );
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}
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// loadManPage
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// ===========
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void HTMLWidget::loadManPage( const bool localManPage )
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{ if( localManPage )
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loadLocalManPage( );
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else
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loadKnmapManPage( );
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}
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// readSettings
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// ============
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void HTMLWidget::readSettings( )
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{ KConfig* config = kapp->config( );
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config->setGroup( "General" );
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m_zoomFactor = config->readDoubleNumEntry( "zoomFactor", 100.0 );
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m_stylesheetURL.setPath( config->readPathEntry( "stylesheetURL" ));
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}
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// resizeEvent
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// ===========
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void HTMLWidget::resizeEvent( QResizeEvent* event )
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{ QWidget::resizeEvent( event );
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m_htmlPart->view( )->resize( width( ), height( ));
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}
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// saveSettings
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// ============
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void HTMLWidget::saveSettings( )
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{ KConfig* config = kapp->config( );
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config->setGroup( "General" );
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config->writeEntry( "stylesheetURL", m_stylesheetURL.path( ));
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config->writeEntry( "zoomFactor", m_zoomFactor );
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}
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// setInitialValues
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// ================
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void HTMLWidget::setInitialValues( )
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{ m_htmlPart->setUserStyleSheet( m_stylesheetURL );
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m_htmlPart->setZoomFactor( int( m_zoomFactor ));
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}
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// setStylesheet
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// =============
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void HTMLWidget::setStylesheet( )
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{ m_dlg = new StylesheetDialog( m_stylesheetURL.path( ), *m_stylesheetURLs, this, "man stylesheet dlg" );
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connect( m_dlg, SIGNAL( stylesheetRemoved( )), SLOT( slotStylesheetRemoved( )));
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if( m_dlg->exec( ) != QDialog::Accepted )
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{ delete m_dlg;
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m_dlg = NULL;
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return;
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}
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*m_stylesheetURLs = m_dlg->stylesheetURLs( );
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m_stylesheetURL.setPath( m_stylesheetURLs->front( ));
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m_htmlPart->setUserStyleSheet( m_stylesheetURL );
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emit( optionsDirty( ));
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delete m_dlg;
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m_dlg = NULL;
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}
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// slotGunzipProcessExited
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// =======================
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void HTMLWidget::slotGunzipProcessExited( )
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{ if( !m_process->normalExit( ))
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{ delete m_process;
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m_process = NULL;
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emit( errorLoadingLocalManPage( i18n( "Could not load the local 'man' page - the 'gunzip' process failed." )));
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return;
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}
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delete m_process;
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m_process = new KProcess( );
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*m_process << "man2html";
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*m_process << "-";
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connect( m_process, SIGNAL( processExited( KProcess* )), SLOT( slotMan2HTMLProcessExited( )));
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connect( m_process, SIGNAL( receivedStdout( KProcess*, char*, int )), SLOT( slotMan2HTMLReceivedStdout( KProcess*, char*, int )));
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m_htmlData = QString::null;
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m_process->start( KProcess::NotifyOnExit, KProcess::Communication( KProcess::Stdin | KProcess::Stdout ));
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m_process->writeStdin( m_manPageData, m_manPageData.length( ));
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m_process->closeStdin( );
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}
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// slotGunzipReceivedStdout
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// ========================
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void HTMLWidget::slotGunzipReceivedStdout( KProcess* /* process */, char* buffer, int buflen )
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{ m_manPageData += QString::fromLatin1( buffer, buflen );
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}
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// slotMan2HTMLReceivedStdout
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// ==========================
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void HTMLWidget::slotMan2HTMLReceivedStdout( KProcess* /* process */, char* buffer, int buflen )
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{ m_htmlData += QString::fromLatin1( buffer, buflen );
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}
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// slotMan2HTMLProcessExited
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// =========================
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void HTMLWidget::slotMan2HTMLProcessExited( )
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{ if( !m_process->normalExit( ))
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emit( errorLoadingLocalManPage( i18n( "Could not load the local 'man' page - the 'man2html' process failed." )));
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delete m_process;
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m_process = NULL;
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m_htmlPart->begin( );
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QTextStream textStream( &m_htmlData, IO_ReadOnly );
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while( !textStream.atEnd( ))
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{ QString htmlLine = textStream.readLine( );
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if( htmlLine.startsWith( "<H2>TARGET SPECIFICATION</H2>" ))
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m_htmlPart->write( "<a id='target'>" );
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else
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if( htmlLine.startsWith( "<DT><B>-" ))
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{ QStringList nmapOptions = QStringList::split( " ", htmlLine.right( htmlLine.length( ) - 7 ));
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QString anchors;
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for( QStringList::Iterator it = nmapOptions.begin( ); it != nmapOptions.end( ); ++it )
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{ if( (*it)[ 0 ] != '-' )
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break;
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QStringList nmapOption = QStringList::split( "<", *it );
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anchors += QString( "<a id='%1'>" ).arg( nmapOption.front( ));
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}
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m_htmlPart->write( anchors );
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}
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m_htmlPart->write( htmlLine + "\n" );
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}
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m_htmlPart->end( );
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m_htmlPart->setUserStyleSheet( m_stylesheetURL );
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m_htmlPart->setZoomFactor( int( m_zoomFactor ));
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}
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// slotManProcessExited
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// ====================
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void HTMLWidget::slotManProcessExited( )
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{
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if( !m_process->normalExit( ))
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{ delete m_process;
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m_process = NULL;
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emit( errorLoadingLocalManPage( i18n( "Could not load the local 'man' page - the 'man -w' process failed." )));
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return;
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}
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delete m_process;
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ushort length = m_manPagePath.length( );
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if( m_manPagePath[ length - 1 ] == '\n' )
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m_manPagePath = m_manPagePath.left( length - 1 );
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if( !m_manPagePath.endsWith( ".gz" ))
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{ m_process = NULL;
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emit( errorLoadingLocalManPage( i18n( "Could not load the local 'man' page - it either was not found or it not a 'gz' file." )));
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return;
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}
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m_process = new KProcess( );
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*m_process << "gunzip";
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*m_process << "-c";
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*m_process << m_manPagePath;
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connect( m_process, SIGNAL( processExited( KProcess* )), SLOT( slotGunzipProcessExited( )));
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connect( m_process, SIGNAL( receivedStdout( KProcess*, char*, int )), SLOT( slotGunzipReceivedStdout( KProcess*, char*, int )));
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m_manPageData = QString::null;
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m_process->start( KProcess::NotifyOnExit, KProcess::Stdout );
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}
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// slotManReceivedStdout
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// =====================
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void HTMLWidget::slotManReceivedStdout( KProcess* /* process */, char* buffer, int buflen )
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{ m_manPagePath += QString::fromLatin1( buffer, buflen );
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}
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// slotStylesheetRemoved
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// =====================
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void HTMLWidget::slotStylesheetRemoved( )
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{ *m_stylesheetURLs = m_dlg->stylesheetURLs( );
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emit( optionsDirty( ));
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}
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// tryKnmapFile
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// ============
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bool HTMLWidget::tryKnmapFile( )
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{
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#ifdef _DEBUG
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QString path = "/home/c/knmap/src/nmap_manpage.html";
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#else
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QString path = locate( "data", "knmap/nmap_manpage.html" );
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#endif
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if( !QFile::exists( path ))
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return false;
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QFile manPageFile( path );
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if( !manPageFile.open( IO_ReadOnly ))
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return false;
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QTextStream manPageStream( &manPageFile );
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m_htmlPart->begin( );
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while ( !manPageStream.atEnd( ))
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{ QString line = manPageStream.read( );
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m_htmlPart->write( line );
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}
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m_htmlPart->end( );
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manPageFile.close();
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return true;
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}
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// zoomFactor
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// ==========
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void HTMLWidget::zoomFactor( const float factor )
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{ m_zoomFactor = factor;
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m_htmlPart->setZoomFactor( int( m_zoomFactor ));
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emit( optionsDirty( ));
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}
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// zoomIn
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// ======
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void HTMLWidget::zoomIn( )
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{ m_zoomFactor = _min_( ZOOM_MAX_FACTOR, m_zoomFactor + m_zoomIncrement );
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m_htmlPart->setZoomFactor( int( m_zoomFactor ));
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emit( optionsDirty( ));
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}
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// zoomOut
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// =======
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void HTMLWidget::zoomOut( )
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{ m_zoomFactor = _max_( ZOOM_MIN_FACTOR, m_zoomFactor - m_zoomIncrement );
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m_htmlPart->setZoomFactor( int( m_zoomFactor ));
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emit( optionsDirty( ));
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}
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