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/**********************************************************************
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** Copyright (C) 2000-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the TQt Assistant.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** Licensees holding valid TQt Commercial licenses may use this file in
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** accordance with the TQt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "helpwindow.h"
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#include "mainwindow.h"
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#include "tabbedbrowser.h"
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#include "helpdialogimpl.h"
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#include "config.h"
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#include <ntqapplication.h>
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#include <ntqclipboard.h>
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#include <ntqurl.h>
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#include <ntqmessagebox.h>
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#include <ntqdir.h>
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#include <ntqfile.h>
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#include <ntqprocess.h>
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#include <ntqpopupmenu.h>
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#include <ntqaction.h>
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#include <ntqfileinfo.h>
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#include <ntqevent.h>
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#include <tqtextstream.h>
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#include <tqtextcodec.h>
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#if defined(Q_OS_WIN32)
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#include <windows.h>
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#endif
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HelpWindow::HelpWindow( MainWindow *w, TQWidget *parent, const char *name )
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: TQTextBrowser( parent, name ), mw( w ), blockScroll( FALSE ),
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shiftPressed( FALSE ), newWindow( FALSE )
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{
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connect(this, TQ_SIGNAL(forwardAvailable(bool)), this, TQ_SLOT(updateForward(bool)));
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connect(this, TQ_SIGNAL(backwardAvailable(bool)), this, TQ_SLOT(updateBackward(bool)));
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}
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void HelpWindow::setSource( const TQString &name )
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{
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if ( name.isEmpty() )
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return;
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if (newWindow || shiftPressed) {
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removeSelection();
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mw->saveSettings();
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mw->saveToolbarSettings();
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MainWindow *nmw = new MainWindow;
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TQFileInfo currentInfo( source() );
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TQFileInfo linkInfo( name );
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TQString target = name;
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if( linkInfo.isRelative() )
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target = currentInfo.dirPath( TRUE ) + "/" + name;
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nmw->setup();
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nmw->move( mw->geometry().topLeft() );
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if ( mw->isMaximized() )
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nmw->showMaximized();
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else
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nmw->show();
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nmw->showLink( target );
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return;
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}
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if ( name.left( 7 ) == "http://" || name.left( 6 ) == "ftp://" ) {
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TQString webbrowser = Config::configuration()->webBrowser();
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if ( webbrowser.isEmpty() ) {
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#if defined(Q_OS_WIN32)
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QT_WA( {
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ShellExecute( winId(), 0, (TCHAR*)name.ucs2(), 0, 0, SW_SHOWNORMAL );
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} , {
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ShellExecuteA( winId(), 0, name.local8Bit(), 0, 0, SW_SHOWNORMAL );
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} );
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#elif defined(Q_OS_MACX)
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webbrowser = "/usr/bin/open";
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#else
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int result = TQMessageBox::information( mw, tr( "Help" ),
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tr( "Currently no Web browser is selected.\nPlease use the settings dialog to specify one!\n" ),
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"Open", "Cancel" );
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if ( result == 0 ) {
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emit chooseWebBrowser();
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webbrowser = Config::configuration()->webBrowser();
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}
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#endif
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if ( webbrowser.isEmpty() )
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return;
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}
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TQProcess *proc = new TQProcess(this);
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proc->addArgument( webbrowser );
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TQObject::connect(proc, TQ_SIGNAL(processExited()), proc, TQ_SLOT(deleteLater()));
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proc->addArgument( name );
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proc->start();
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return;
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}
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if ( name.right( 3 ) == "pdf" ) {
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TQString pdfbrowser = Config::configuration()->pdfReader();
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if ( pdfbrowser.isEmpty() ) {
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#if defined(Q_OS_MACX)
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pdfbrowser = "/usr/bin/open";
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#else
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TQMessageBox::information( mw,
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tr( "Help" ),
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tr( "No PDF Viewer has been specified\n"
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"Please use the settings dialog to specify one!\n" ) );
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return;
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#endif
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}
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TQFileInfo info( pdfbrowser );
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if( !info.exists() ) {
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TQMessageBox::information( mw,
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tr( "Help" ),
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tr( "TQt Assistant is unable to start the PDF Viewer\n\n"
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"%1\n\n"
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"Please make sure that the executable exists and is located at\n"
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"the specified location." ).arg( pdfbrowser ) );
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return;
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}
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TQProcess *proc = new TQProcess(this);
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TQObject::connect(proc, TQ_SIGNAL(processExited()), proc, TQ_SLOT(deleteLater()));
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proc->addArgument( pdfbrowser );
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proc->addArgument( name );
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proc->start();
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return;
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}
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TQUrl u( context(), name );
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if ( !u.isLocalFile() ) {
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TQMessageBox::information( mw, tr( "Help" ), tr( "Can't load and display non-local file\n"
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"%1" ).arg( name ) );
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return;
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}
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setText("<body bgcolor=\"" + paletteBackgroundColor().name() + "\">");
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TQTextBrowser::setSource( name );
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}
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void HelpWindow::openLinkInNewWindow()
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{
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if ( lastAnchor.isEmpty() )
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return;
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newWindow = TRUE;
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setSource(lastAnchor);
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newWindow = FALSE;
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}
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void HelpWindow::openLinkInNewWindow( const TQString &link )
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{
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lastAnchor = link;
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openLinkInNewWindow();
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}
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void HelpWindow::openLinkInNewPage()
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{
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if( lastAnchor.isEmpty() )
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return;
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mw->browsers()->newTab( lastAnchor );
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lastAnchor = TQString::null;
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}
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void HelpWindow::openLinkInNewPage( const TQString &link )
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{
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lastAnchor = link;
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openLinkInNewPage();
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}
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TQPopupMenu *HelpWindow::createPopupMenu( const TQPoint& pos )
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{
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TQPopupMenu *m = new TQPopupMenu(0);
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lastAnchor = anchorAt( pos );
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if ( !lastAnchor.isEmpty() ) {
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if ( lastAnchor.at( 0 ) == '#' ) {
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TQString src = source();
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int hsh = src.find( '#' );
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lastAnchor = ( hsh>=0 ? src.left( hsh ) : src ) + lastAnchor;
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}
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m->insertItem( tr("Open Link in New Window\tShift+LMB"),
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this, TQ_SLOT( openLinkInNewWindow() ) );
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m->insertItem( tr("Open Link in New Tab"),
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this, TQ_SLOT( openLinkInNewPage() ) );
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}
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mw->actionNewWindow->addTo( m );
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mw->actionOpenPage->addTo( m );
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mw->actionClosePage->addTo( m );
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m->insertSeparator();
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mw->actionGoPrevious->addTo( m );
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mw->actionGoNext->addTo( m );
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mw->actionGoHome->addTo( m );
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m->insertSeparator();
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mw->actionZoomIn->addTo( m );
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mw->actionZoomOut->addTo( m );
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m->insertSeparator();
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mw->actionEditCopy->addTo( m );
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mw->actionEditFind->addTo( m );
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return m;
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}
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void HelpWindow::blockScrolling( bool b )
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{
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blockScroll = b;
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}
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void HelpWindow::ensureCursorVisible()
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{
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if ( !blockScroll )
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TQTextBrowser::ensureCursorVisible();
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}
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void HelpWindow::contentsMousePressEvent(TQMouseEvent *e)
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{
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shiftPressed = ( e->state() & ShiftButton );
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TQTextBrowser::contentsMousePressEvent(e);
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}
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void HelpWindow::keyPressEvent(TQKeyEvent *e)
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{
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shiftPressed = ( e->state() & ShiftButton );
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TQTextBrowser::keyPressEvent(e);
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}
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void HelpWindow::copy()
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{
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if (textFormat() == PlainText) {
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TQTextEdit::copy();
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} else {
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TextFormat oldTf = textFormat();
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setTextFormat(PlainText);
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TQString selectText = selectedText();
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selectText.replace("<br>", "\n");
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selectText.replace("\xa0", " ");
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selectText.replace(">", ">");
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selectText.replace("<", "<");
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selectText.replace("&", "&");
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TQClipboard *cb = TQApplication::clipboard();
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if (cb->supportsSelection())
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cb->setText(selectText, TQClipboard::Selection);
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cb->setText(selectText, TQClipboard::Clipboard);
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setTextFormat(oldTf);
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}
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}
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void HelpWindow::updateForward(bool fwd)
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{
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fwdAvail = fwd;
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}
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void HelpWindow::updateBackward(bool back)
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{
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backAvail = back;
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}
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