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okular/part.cpp

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/***************************************************************************
* Copyright (C) 2002 by Wilco Greven <greven@kde.org> *
* Copyright (C) 2002 by Chris Cheney <ccheney@cheney.cx> *
* Copyright (C) 2002 by Malcolm Hunter <malcolm.hunter@gmx.co.uk> *
* Copyright (C) 2003-2004 by Christophe Devriese *
* <Christophe.Devriese@student.kuleuven.ac.be> *
* Copyright (C) 2003 by Daniel Molkentin <molkentin@kde.org> *
* Copyright (C) 2003 by Andy Goossens <andygoossens@telenet.be> *
* Copyright (C) 2003 by Dirk Mueller <mueller@kde.org> *
* Copyright (C) 2003 by Laurent Montel <montel@kde.org> *
* Copyright (C) 2004 by Dominique Devriese <devriese@kde.org> *
* Copyright (C) 2004 by Christoph Cullmann <crossfire@babylon2k.de> *
* Copyright (C) 2004 by Henrique Pinto <stampede@coltec.ufmg.br> *
* Copyright (C) 2004 by Waldo Bastian <bastian@kde.org> *
* Copyright (C) 2004-2008 by Albert Astals Cid <aacid@kde.org> *
* Copyright (C) 2004 by Antti Markus <antti.markus@starman.ee> *
* *
* 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. *
***************************************************************************/
#include "part.h"
// qt/kde includes
#include <qapplication.h>
#include <qfile.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qtimer.h>
#include <QtGui/QPrinter>
#include <QtGui/QPrintDialog>
#include <kvbox.h>
#include <kaboutapplicationdialog.h>
#include <kaction.h>
#include <kactioncollection.h>
#include <kdirwatch.h>
#include <kstandardaction.h>
#include <kparts/genericfactory.h>
#include <kfiledialog.h>
#include <kmessagebox.h>
#include <knuminput.h>
#include <kio/netaccess.h>
#include <kmenu.h>
#include <kxmlguiclient.h>
#include <kxmlguifactory.h>
#include <kservicetypetrader.h>
#include <kstandarddirs.h>
#include <kstandardshortcut.h>
#include <ktemporaryfile.h>
#include <ktoggleaction.h>
#include <ktogglefullscreenaction.h>
#include <kio/job.h>
#include <kicon.h>
#include <kfilterdev.h>
#if 0
#include <knewstuff2/engine.h>
#endif
#include <kdeprintdialog.h>
#include <kprintpreview.h>
// local includes
#include "aboutdata.h"
#include "extensions.h"
#include "ui/pageview.h"
#include "ui/toc.h"
#include "ui/searchwidget.h"
#include "ui/thumbnaillist.h"
#include "ui/side_reviews.h"
#include "ui/minibar.h"
#include "ui/embeddedfilesdialog.h"
#include "ui/propertiesdialog.h"
#include "ui/presentationwidget.h"
#include "ui/pagesizelabel.h"
#include "ui/bookmarklist.h"
#include "ui/findbar.h"
#include "ui/sidebar.h"
#include "ui/fileprinterpreview.h"
#include "ui/guiutils.h"
#include "conf/preferencesdialog.h"
#include "settings.h"
#include "core/bookmarkmanager.h"
#include "core/document.h"
#include "core/generator.h"
#include "core/page.h"
#include "core/fileprinter.h"
#include <cstdio>
class FileKeeper
{
public:
FileKeeper()
: m_handle( NULL )
{
}
~FileKeeper()
{
}
void open( const QString & path )
{
if ( !m_handle )
m_handle = std::fopen( QFile::encodeName( path ), "r" );
}
void close()
{
if ( m_handle )
{
int ret = std::fclose( m_handle );
Q_UNUSED( ret )
m_handle = NULL;
}
}
KTemporaryFile* copyToTemporary() const
{
if ( !m_handle )
return 0;
KTemporaryFile * retFile = new KTemporaryFile;
retFile->open();
std::rewind( m_handle );
int c = -1;
do
{
c = std::fgetc( m_handle );
if ( c == EOF )
break;
if ( !retFile->putChar( (char)c ) )
break;
} while ( !feof( m_handle ) );
retFile->flush();
return retFile;
}
private:
std::FILE * m_handle;
};
K_PLUGIN_FACTORY( okularPartFactory, registerPlugin< Okular::Part >(); )
K_EXPORT_PLUGIN( okularPartFactory( okularAboutData( "okular", I18N_NOOP( "Okular" ) ) ) )
static QAction* actionForExportFormat( const Okular::ExportFormat& format, QObject *parent = 0 )
{
QAction *act = new QAction( format.description(), parent );
if ( !format.icon().isNull() )
{
act->setIcon( format.icon() );
}
return act;
}
static QString compressedMimeFor( const QString& mime_to_check )
{
static QHash< QString, QString > compressedMimeMap;
if ( compressedMimeMap.isEmpty() )
{
compressedMimeMap[ QString::fromLatin1( "application/x-gzip" ) ] =
QString::fromLatin1( "application/x-gzip" );
compressedMimeMap[ QString::fromLatin1( "application/x-bzip" ) ] =
QString::fromLatin1( "application/x-bzip" );
compressedMimeMap[ QString::fromLatin1( "application/x-bzpdf" ) ] =
QString::fromLatin1( "application/x-bzip" );
compressedMimeMap[ QString::fromLatin1( "application/x-bzpostscript" ) ] =
QString::fromLatin1( "application/x-bzip" );
compressedMimeMap[ QString::fromLatin1( "application/x-bzdvi" ) ] =
QString::fromLatin1( "application/x-bzip" );
compressedMimeMap[ QString::fromLatin1( "image/x-gzeps" ) ] =
QString::fromLatin1( "application/x-gzip" );
compressedMimeMap[ QString::fromLatin1( "image/x-bzeps" ) ] =
QString::fromLatin1( "application/x-bzip" );
}
QHash< QString, QString >::const_iterator it = compressedMimeMap.constFind( mime_to_check );
if ( it != compressedMimeMap.constEnd() )
return it.value();
return QString();
}
static Okular::Part::EmbedMode detectEmbedMode( QWidget *parentWidget, QObject *parent, const QVariantList &args )
{
Q_UNUSED( parentWidget );
if ( parent
&& ( parent->objectName() == QLatin1String( "okular::Shell" )
|| parent->objectName() == QLatin1String( "okular/okular__Shell" ) ) )
return Okular::Part::NativeShellMode;
if ( parent
&& ( QByteArray( "KHTMLPart" ) == parent->metaObject()->className() ) )
return Okular::Part::KHTMLPartMode;
Q_FOREACH ( const QVariant &arg, args )
{
if ( arg.type() == QVariant::String )
{
if ( arg.toString() == QLatin1String( "Print/Preview" ) )
return Okular::Part::PrintPreviewMode;
}
}
return Okular::Part::UnknownEmbedMode;
}
#undef OKULAR_KEEP_FILE_OPEN
#ifdef OKULAR_KEEP_FILE_OPEN
static bool keepFileOpen()
{
static bool keep_file_open = !qgetenv("OKULAR_NO_KEEP_FILE_OPEN").toInt();
return keep_file_open;
}
#endif
namespace Okular
{
Part::Part(QWidget *parentWidget,
QObject *parent,
const QVariantList &args )
: KParts::ReadOnlyPart(parent),
m_tempfile( 0 ), m_fileWasRemoved( false ), m_showMenuBarAction( 0 ), m_showFullScreenAction( 0 ), m_actionsSearched( false ),
m_cliPresentation(false), m_embedMode(detectEmbedMode(parentWidget, parent, args)), m_generatorGuiClient(0), m_keeper( 0 )
{
// first necessary step: copy the configuration from kpdf, if available
QString newokularconffile = KStandardDirs::locateLocal( "config", "okularpartrc" );
if ( !QFile::exists( newokularconffile ) )
{
QString oldkpdfconffile = KStandardDirs::locateLocal( "config", "kpdfpartrc" );
if ( QFile::exists( oldkpdfconffile ) )
QFile::copy( oldkpdfconffile, newokularconffile );
}
QDBusConnection::sessionBus().registerObject("/okular", this, QDBusConnection::ExportScriptableSlots);
// connect the started signal to tell the job the mimetypes we like
connect(this, SIGNAL(started(KIO::Job *)), this, SLOT(setMimeTypes(KIO::Job *)));
// connect the completed signal so we can put the window caption when loading remote files
connect(this, SIGNAL(completed()), this, SLOT(setWindowTitleFromDocument()));
connect(this, SIGNAL(canceled(const QString &)), this, SLOT(loadCancelled(const QString &)));
// create browser extension (for printing when embedded into browser)
m_bExtension = new BrowserExtension(this);
// create live connect extension (for integrating with browser scripting)
new OkularLiveConnectExtension( this );
// we need an instance
setComponentData(okularPartFactory::componentData());
GuiUtils::addIconLoader( iconLoader() );
m_sidebar = new Sidebar( parentWidget );
setWidget( m_sidebar );
// build the document
m_document = new Okular::Document(widget());
connect( m_document, SIGNAL( linkFind() ), this, SLOT( slotFind() ) );
connect( m_document, SIGNAL( linkGoToPage() ), this, SLOT( slotGoToPage() ) );
connect( m_document, SIGNAL( linkPresentation() ), this, SLOT( slotShowPresentation() ) );
connect( m_document, SIGNAL( linkEndPresentation() ), this, SLOT( slotHidePresentation() ) );
connect( m_document, SIGNAL( openUrl(const KUrl &) ), this, SLOT( openUrlFromDocument(const KUrl &) ) );
connect( m_document->bookmarkManager(), SIGNAL( openUrl(const KUrl &) ), this, SLOT( openUrlFromBookmarks(const KUrl &) ) );
connect( m_document, SIGNAL( close() ), this, SLOT( close() ) );
if ( parent && parent->metaObject()->indexOfSlot( QMetaObject::normalizedSignature( "slotQuit()" ) ) != -1 )
connect( m_document, SIGNAL( quit() ), parent, SLOT( slotQuit() ) );
else
connect( m_document, SIGNAL( quit() ), this, SLOT( cannotQuit() ) );
// widgets: ^searchbar (toolbar containing label and SearchWidget)
// m_searchToolBar = new KToolBar( parentWidget, "searchBar" );
// m_searchToolBar->boxLayout()->setSpacing( KDialog::spacingHint() );
// QLabel * sLabel = new QLabel( i18n( "&Search:" ), m_searchToolBar, "kde toolbar widget" );
// m_searchWidget = new SearchWidget( m_searchToolBar, m_document );
// sLabel->setBuddy( m_searchWidget );
// m_searchToolBar->setStretchableWidget( m_searchWidget );
int tbIndex;
// [left toolbox: Table of Contents] | []
m_toc = new TOC( 0, m_document );
connect( m_toc, SIGNAL( hasTOC( bool ) ), this, SLOT( enableTOC( bool ) ) );
tbIndex = m_sidebar->addItem( m_toc, KIcon(QApplication::isLeftToRight() ? "format-justify-left" : "format-justify-right"), i18n("Contents") );
enableTOC( false );
// [left toolbox: Thumbnails and Bookmarks] | []
KVBox * thumbsBox = new ThumbnailsBox( 0 );
thumbsBox->setSpacing( 6 );
m_searchWidget = new SearchWidget( thumbsBox, m_document );
m_thumbnailList = new ThumbnailList( thumbsBox, m_document );
// ThumbnailController * m_tc = new ThumbnailController( thumbsBox, m_thumbnailList );
connect( m_thumbnailList, SIGNAL( urlDropped( const KUrl& ) ), SLOT( openUrlFromDocument( const KUrl & )) );
connect( m_thumbnailList, SIGNAL( rightClick(const Okular::Page *, const QPoint &) ), this, SLOT( slotShowMenu(const Okular::Page *, const QPoint &) ) );
tbIndex = m_sidebar->addItem( thumbsBox, KIcon( "view-preview" ), i18n("Thumbnails") );
m_sidebar->setCurrentIndex( tbIndex );
// [left toolbox: Reviews] | []
m_reviewsWidget = new Reviews( 0, m_document );
m_sidebar->addItem( m_reviewsWidget, KIcon("draw-freehand"), i18n("Reviews") );
m_sidebar->setItemEnabled( 2, false );
// [left toolbox: Bookmarks] | []
m_bookmarkList = new BookmarkList( m_document, 0 );
m_sidebar->addItem( m_bookmarkList, KIcon("bookmarks"), i18n("Bookmarks") );
m_sidebar->setItemEnabled( 3, false );
// widgets: [../miniBarContainer] | []
#ifdef OKULAR_ENABLE_MINIBAR
QWidget * miniBarContainer = new QWidget( 0 );
m_sidebar->setBottomWidget( miniBarContainer );
QVBoxLayout * miniBarLayout = new QVBoxLayout( miniBarContainer );
miniBarLayout->setMargin( 0 );
// widgets: [../[spacer/..]] | []
miniBarLayout->addItem( new QSpacerItem( 6, 6, QSizePolicy::Fixed, QSizePolicy::Fixed ) );
// widgets: [../[../MiniBar]] | []
QFrame * bevelContainer = new QFrame( miniBarContainer );
bevelContainer->setFrameStyle( QFrame::StyledPanel | QFrame::Sunken );
QVBoxLayout * bevelContainerLayout = new QVBoxLayout( bevelContainer );
bevelContainerLayout->setMargin( 4 );
m_progressWidget = new ProgressWidget( bevelContainer, m_document );
bevelContainerLayout->addWidget( m_progressWidget );
miniBarLayout->addWidget( bevelContainer );
miniBarLayout->addItem( new QSpacerItem( 6, 6, QSizePolicy::Fixed, QSizePolicy::Fixed ) );
#endif
// widgets: [] | [right 'pageView']
QWidget * rightContainer = new QWidget( 0 );
m_sidebar->setMainWidget( rightContainer );
QVBoxLayout * rightLayout = new QVBoxLayout( rightContainer );
rightLayout->setMargin( 0 );
rightLayout->setSpacing( 0 );
// KToolBar * rtb = new KToolBar( rightContainer, "mainToolBarSS" );
// rightLayout->addWidget( rtb );
m_topMessage = new PageViewTopMessage( rightContainer );
m_topMessage->setup( i18n( "This document has embedded files. <a href=\"okular:/embeddedfiles\">Click here to see them</a> or go to File -> Embedded Files." ), KIcon( "mail-attachment" ) );
connect( m_topMessage, SIGNAL( action() ), this, SLOT( slotShowEmbeddedFiles() ) );
rightLayout->addWidget( m_topMessage );
m_formsMessage = new PageViewTopMessage( rightContainer );
m_formsMessage->setup( i18n( "This document has forms. Click on the button to interact with them, or use View -> Show Forms." ) );
rightLayout->addWidget( m_formsMessage );
m_pageView = new PageView( rightContainer, m_document );
m_pageView->setFocus(); //usability setting
// m_splitter->setFocusProxy(m_pageView);
connect( m_pageView, SIGNAL( urlDropped( const KUrl& ) ), SLOT( openUrlFromDocument( const KUrl & )));
connect( m_pageView, SIGNAL( rightClick(const Okular::Page *, const QPoint &) ), this, SLOT( slotShowMenu(const Okular::Page *, const QPoint &) ) );
connect( m_document, SIGNAL( error( const QString&, int ) ), m_pageView, SLOT( errorMessage( const QString&, int ) ) );
connect( m_document, SIGNAL( warning( const QString&, int ) ), m_pageView, SLOT( warningMessage( const QString&, int ) ) );
connect( m_document, SIGNAL( notice( const QString&, int ) ), m_pageView, SLOT( noticeMessage( const QString&, int ) ) );
rightLayout->addWidget( m_pageView );
m_findBar = new FindBar( m_document, rightContainer );
rightLayout->addWidget( m_findBar );
QWidget * bottomBar = new QWidget( rightContainer );
QHBoxLayout * bottomBarLayout = new QHBoxLayout( bottomBar );
m_pageSizeLabel = new PageSizeLabel( bottomBar, m_document );
bottomBarLayout->setMargin( 0 );
bottomBarLayout->setSpacing( 0 );
bottomBarLayout->addWidget( m_pageSizeLabel->antiWidget() );
bottomBarLayout->addItem( new QSpacerItem( 5, 5, QSizePolicy::Expanding, QSizePolicy::Minimum ) );
m_miniBar = new MiniBar( bottomBar, m_document );
bottomBarLayout->addWidget( m_miniBar );
bottomBarLayout->addItem( new QSpacerItem( 5, 5, QSizePolicy::Expanding, QSizePolicy::Minimum ) );
bottomBarLayout->addWidget( m_pageSizeLabel );
rightLayout->addWidget( bottomBar );
connect( m_reviewsWidget, SIGNAL( setAnnotationWindow( Okular::Annotation* ) ),
m_pageView, SLOT( setAnnotationWindow( Okular::Annotation* ) ) );
connect( m_reviewsWidget, SIGNAL( removeAnnotationWindow( Okular::Annotation* ) ),
m_pageView, SLOT( removeAnnotationWindow( Okular::Annotation* ) ) );
// add document observers
m_document->addObserver( this );
m_document->addObserver( m_thumbnailList );
m_document->addObserver( m_pageView );
m_document->registerView( m_pageView );
m_document->addObserver( m_toc );
m_document->addObserver( m_miniBar );
#ifdef OKULAR_ENABLE_MINIBAR
m_document->addObserver( m_progressWidget );
#endif
m_document->addObserver( m_reviewsWidget );
m_document->addObserver( m_pageSizeLabel );
m_document->addObserver( m_bookmarkList );
connect( m_document->bookmarkManager(), SIGNAL( saved() ),
this, SLOT( slotRebuildBookmarkMenu() ) );
// ACTIONS
KActionCollection * ac = actionCollection();
// Page Traversal actions
m_gotoPage = KStandardAction::gotoPage( this, SLOT( slotGoToPage() ), ac );
m_gotoPage->setShortcut( QKeySequence(Qt::CTRL + Qt::Key_G) );
// dirty way to activate gotopage when pressing miniBar's button
connect( m_miniBar, SIGNAL( gotoPage() ), m_gotoPage, SLOT( trigger() ) );
m_prevPage = KStandardAction::prior(this, SLOT(slotPreviousPage()), ac);
m_prevPage->setIconText( i18nc( "Previous page", "Previous" ) );
m_prevPage->setToolTip( i18n( "Go back to the Previous Page" ) );
m_prevPage->setWhatsThis( i18n( "Moves to the previous page of the document" ) );
m_prevPage->setShortcut( 0 );
// dirty way to activate prev page when pressing miniBar's button
connect( m_miniBar, SIGNAL( prevPage() ), m_prevPage, SLOT( trigger() ) );
#ifdef OKULAR_ENABLE_MINIBAR
connect( m_progressWidget, SIGNAL( prevPage() ), m_prevPage, SLOT( trigger() ) );
#endif
m_nextPage = KStandardAction::next(this, SLOT(slotNextPage()), ac );
m_nextPage->setIconText( i18nc( "Next page", "Next" ) );
m_nextPage->setToolTip( i18n( "Advance to the Next Page" ) );
m_nextPage->setWhatsThis( i18n( "Moves to the next page of the document" ) );
m_nextPage->setShortcut( 0 );
// dirty way to activate next page when pressing miniBar's button
connect( m_miniBar, SIGNAL( nextPage() ), m_nextPage, SLOT( trigger() ) );
#ifdef OKULAR_ENABLE_MINIBAR
connect( m_progressWidget, SIGNAL( nextPage() ), m_nextPage, SLOT( trigger() ) );
#endif
m_firstPage = KStandardAction::firstPage( this, SLOT( slotGotoFirst() ), ac );
ac->addAction("first_page", m_firstPage);
m_firstPage->setWhatsThis( i18n( "Moves to the first page of the document" ) );
m_lastPage = KStandardAction::lastPage( this, SLOT( slotGotoLast() ), ac );
ac->addAction("last_page",m_lastPage);
m_lastPage->setWhatsThis( i18n( "Moves to the last page of the document" ) );
// we do not want back and next in history in the dummy mode
m_historyBack = 0;
m_historyNext = 0;
m_addBookmark = KStandardAction::addBookmark( this, SLOT( slotAddBookmark() ), ac );
m_addBookmarkText = m_addBookmark->text();
m_addBookmarkIcon = m_addBookmark->icon();
m_prevBookmark = ac->addAction("previous_bookmark");
m_prevBookmark->setText(i18n( "Previous Bookmark" ));
m_prevBookmark->setIcon(KIcon( "go-up-search" ));
m_prevBookmark->setWhatsThis( i18n( "Go to the previous bookmarked page" ) );
connect( m_prevBookmark, SIGNAL( triggered() ), this, SLOT( slotPreviousBookmark() ) );
m_nextBookmark = ac->addAction("next_bookmark");
m_nextBookmark->setText(i18n( "Next Bookmark" ));
m_nextBookmark->setIcon(KIcon( "go-down-search" ));
m_nextBookmark->setWhatsThis( i18n( "Go to the next bookmarked page" ) );
connect( m_nextBookmark, SIGNAL( triggered() ), this, SLOT( slotNextBookmark() ) );
m_copy = KStandardAction::create( KStandardAction::Copy, m_pageView, SLOT( copyTextSelection() ), ac );
m_selectAll = KStandardAction::selectAll( m_pageView, SLOT( selectAll() ), ac );
// Find and other actions
m_find = KStandardAction::find( this, SLOT( slotShowFindBar() ), ac );
QList<QKeySequence> s = m_find->shortcuts();
s.append( QKeySequence( Qt::Key_Slash ) );
m_find->setShortcuts( s );
m_find->setEnabled( false );
m_findNext = KStandardAction::findNext( this, SLOT( slotFindNext() ), ac);
m_findNext->setEnabled( false );
m_findPrev = KStandardAction::findPrev( this, SLOT( slotFindPrev() ), ac );
m_findPrev->setEnabled( false );
m_saveCopyAs = KStandardAction::saveAs( this, SLOT( slotSaveCopyAs() ), ac );
m_saveCopyAs->setText( i18n( "Save &Copy As..." ) );
ac->addAction( "file_save_copy", m_saveCopyAs );
m_saveCopyAs->setEnabled( false );
m_saveAs = KStandardAction::saveAs( this, SLOT( slotSaveFileAs() ), ac );
m_saveAs->setEnabled( false );
QAction * prefs = KStandardAction::preferences( this, SLOT( slotPreferences() ), ac);
if ( m_embedMode == NativeShellMode )
{
prefs->setText( i18n( "Configure Okular..." ) );
}
else
{
// TODO: improve this message
prefs->setText( i18n( "Configure Viewer..." ) );
}
KAction * genPrefs = new KAction( ac );
ac->addAction("options_configure_generators", genPrefs);
genPrefs->setText( i18n( "Configure Backends..." ) );
genPrefs->setIcon( KIcon( "configure" ) );
genPrefs->setEnabled( m_document->configurableGenerators() > 0 );
connect( genPrefs, SIGNAL( triggered( bool ) ), this, SLOT( slotGeneratorPreferences() ) );
m_printPreview = KStandardAction::printPreview( this, SLOT( slotPrintPreview() ), ac );
m_printPreview->setEnabled( false );
m_showLeftPanel = ac->add<KToggleAction>("show_leftpanel");
m_showLeftPanel->setText(i18n( "Show &Navigation Panel"));
m_showLeftPanel->setIcon(KIcon( "view-sidetree" ));
connect( m_showLeftPanel, SIGNAL( toggled( bool ) ), this, SLOT( slotShowLeftPanel() ) );
m_showLeftPanel->setShortcut( Qt::Key_F7 );
m_showLeftPanel->setChecked( Okular::Settings::showLeftPanel() );
slotShowLeftPanel();
QAction * importPS = ac->addAction("import_ps");
importPS->setText(i18n("&Import PostScript as PDF..."));
importPS->setIcon(KIcon("document-import"));
connect(importPS, SIGNAL(triggered()), this, SLOT(slotImportPSFile()));
#if 0
QAction * ghns = ac->addAction("get_new_stuff");
ghns->setText(i18n("&Get Books From Internet..."));
ghns->setIcon(KIcon("get-hot-new-stuff"));
connect(ghns, SIGNAL(triggered()), this, SLOT(slotGetNewStuff()));
// TEMP, REMOVE ME!
ghns->setShortcut( Qt::Key_G );
#endif
m_showProperties = ac->addAction("properties");
m_showProperties->setText(i18n("&Properties"));
m_showProperties->setIcon(KIcon("document-properties"));
connect(m_showProperties, SIGNAL(triggered()), this, SLOT(slotShowProperties()));
m_showProperties->setEnabled( false );
m_showEmbeddedFiles = ac->addAction("embedded_files");
m_showEmbeddedFiles->setText(i18n("&Embedded Files"));
m_showEmbeddedFiles->setIcon( KIcon( "mail-attachment" ) );
connect(m_showEmbeddedFiles, SIGNAL(triggered()), this, SLOT(slotShowEmbeddedFiles()));
m_showEmbeddedFiles->setEnabled( false );
m_showPresentation = ac->addAction("presentation");
m_showPresentation->setText(i18n("P&resentation"));
m_showPresentation->setIcon( KIcon( "view-presentation" ) );
connect(m_showPresentation, SIGNAL(triggered()), this, SLOT(slotShowPresentation()));
m_showPresentation->setShortcut( QKeySequence( Qt::CTRL + Qt::SHIFT + Qt::Key_P ) );
m_showPresentation->setEnabled( false );
m_exportAs = ac->addAction("file_export_as");
m_exportAs->setText(i18n("E&xport As"));
m_exportAs->setIcon( KIcon( "document-export" ) );
m_exportAsMenu = new QMenu();
connect(m_exportAsMenu, SIGNAL(triggered(QAction *)), this, SLOT(slotExportAs(QAction *)));
m_exportAs->setMenu( m_exportAsMenu );
m_exportAsText = actionForExportFormat( Okular::ExportFormat::standardFormat( Okular::ExportFormat::PlainText ), m_exportAsMenu );
m_exportAsMenu->addAction( m_exportAsText );
m_exportAs->setEnabled( false );
m_exportAsText->setEnabled( false );
m_exportAsDocArchive = actionForExportFormat( Okular::ExportFormat(
i18nc( "A document format, Okular-specific", "Document Archive" ),
KMimeType::mimeType( "application/vnd.kde.okular-archive" ) ), m_exportAsMenu );
m_exportAsMenu->addAction( m_exportAsDocArchive );
m_exportAsDocArchive->setEnabled( false );
m_aboutBackend = ac->addAction("help_about_backend");
m_aboutBackend->setText(i18n("About Backend"));
m_aboutBackend->setEnabled( false );
connect(m_aboutBackend, SIGNAL(triggered()), this, SLOT(slotAboutBackend()));
KAction *reload = ac->add<KAction>( "file_reload" );
reload->setText( i18n( "Reloa&d" ) );
reload->setIcon( KIcon( "view-refresh" ) );
reload->setWhatsThis( i18n( "Reload the current document from disk." ) );
connect( reload, SIGNAL(triggered()), this, SLOT(slotReload()) );
reload->setShortcut( KStandardShortcut::reload() );
m_reload = reload;
KAction *closeFindBar = new KAction( i18n( "Close &Find Bar" ), ac );
ac->addAction("close_find_bar", closeFindBar);
connect(closeFindBar, SIGNAL(triggered()), this, SLOT(slotHideFindBar()));
closeFindBar->setShortcut( QKeySequence( Qt::Key_Escape ) );
widget()->addAction(closeFindBar);
KToggleAction *blackscreenAction = new KToggleAction( i18n( "Switch Blackscreen Mode" ), ac );
ac->addAction( "switch_blackscreen_mode", blackscreenAction );
blackscreenAction->setShortcut( QKeySequence( Qt::Key_B ) );
blackscreenAction->setIcon( KIcon( "view-presentation" ) );
KToggleAction *drawingAction = new KToggleAction( i18n( "Toggle Drawing Mode" ), ac );
ac->addAction( "presentation_drawing_mode", drawingAction );
drawingAction->setIcon( KIcon( "draw-freehand" ) );
KAction *eraseDrawingAction = new KAction( i18n( "Erase Drawings" ), ac );
ac->addAction( "presentation_erase_drawings", eraseDrawingAction );
eraseDrawingAction->setIcon( KIcon( "draw-eraser" ) );
// document watcher and reloader
m_watcher = new KDirWatch( this );
connect( m_watcher, SIGNAL( dirty( const QString& ) ), this, SLOT( slotFileDirty( const QString& ) ) );
m_dirtyHandler = new QTimer( this );
m_dirtyHandler->setSingleShot( true );
connect( m_dirtyHandler, SIGNAL( timeout() ),this, SLOT( slotDoFileDirty() ) );
slotNewConfig();
// [SPEECH] check for KTTSD presence and usability
KService::List offers = KServiceTypeTrader::self()->query("DBUS/Text-to-Speech", "Name == 'KTTSD'");
Okular::Settings::setUseKTTSD( !offers.isEmpty() );
Okular::Settings::self()->writeConfig();
rebuildBookmarkMenu( false );
// set our XML-UI resource file
setXMLFile("part.rc");
m_pageView->setupBaseActions( actionCollection() );
// ensure history actions are in the correct state
updateViewActions();
m_sidebar->setSidebarVisibility( false );
if ( m_embedMode != PrintPreviewMode )
unsetDummyMode();
if ( m_embedMode == NativeShellMode )
m_sidebar->setAutoFillBackground( false );
#ifdef OKULAR_KEEP_FILE_OPEN
m_keeper = new FileKeeper();
#endif
}
Part::~Part()
{
GuiUtils::removeIconLoader( iconLoader() );
m_document->removeObserver( this );
if ( m_document->isOpened() )
Part::closeUrl();
delete m_toc;
delete m_pageView;
delete m_thumbnailList;
delete m_miniBar;
#ifdef OKULAR_ENABLE_MINIBAR
delete m_progressWidget;
#endif
delete m_pageSizeLabel;
delete m_reviewsWidget;
delete m_bookmarkList;
delete m_document;
delete m_tempfile;
qDeleteAll( m_bookmarkActions );
delete m_exportAsMenu;
#ifdef OKULAR_KEEP_FILE_OPEN
delete m_keeper;
#endif
}
bool Part::openDocument(const KUrl& url, uint page)
{
Okular::DocumentViewport vp( page - 1 );
vp.rePos.enabled = true;
vp.rePos.normalizedX = 0;
vp.rePos.normalizedY = 0;
vp.rePos.pos = Okular::DocumentViewport::TopLeft;
if ( vp.isValid() )
m_document->setNextDocumentViewport( vp );
return openUrl( url );
}
void Part::startPresentation()
{
m_cliPresentation = true;
}
QStringList Part::supportedMimeTypes() const
{
return m_document->supportedMimeTypes();
}
KUrl Part::realUrl() const
{
if ( !m_realUrl.isEmpty() )
return m_realUrl;
return url();
}
void Part::openUrlFromDocument(const KUrl &url)
{
if ( m_embedMode == PrintPreviewMode )
return;
m_bExtension->openUrlNotify();
m_bExtension->setLocationBarUrl(url.prettyUrl());
openUrl(url);
}
void Part::openUrlFromBookmarks(const KUrl &_url)
{
KUrl url = _url;
Okular::DocumentViewport vp( _url.htmlRef() );
if ( vp.isValid() )
m_document->setNextDocumentViewport( vp );
url.setHTMLRef( QString() );
if ( m_document->currentDocument() == url )
{
if ( vp.isValid() )
m_document->setViewport( vp );
}
else
openUrl( url );
}
void Part::setMimeTypes(KIO::Job *job)
{
if (job)
{
QStringList supportedMimeTypes = m_document->supportedMimeTypes();
job->addMetaData("accept", supportedMimeTypes.join(", ") + ", */*;q=0.5");
}
}
void Part::loadCancelled(const QString &reason)
{
emit setWindowCaption( QString() );
// when m_viewportDirty.pageNumber != -1 we come from slotDoFileDirty
// so we don't want to show an ugly messagebox just because the document is
// taking more than usual to be recreated
if (m_viewportDirty.pageNumber == -1)
{
if (!reason.isEmpty())
{
KMessageBox::error( widget(), i18n("Could not open %1. Reason: %2", url().prettyUrl(), reason ) );
}
else
{
KMessageBox::error( widget(), i18n("Could not open %1", url().prettyUrl() ) );
}
}
}
void Part::setWindowTitleFromDocument()
{
// If 'DocumentTitle' should be used, check if the document has one. If
// either case is false, use the file name.
QString title = realUrl().fileName();
if ( Okular::Settings::displayDocumentTitle() )
{
const QString docTitle = m_document->metaData( "DocumentTitle" ).toString();
if ( !docTitle.isEmpty() && !docTitle.trimmed().isEmpty() )
{
title = docTitle;
}
}
emit setWindowCaption( title );
}
void Part::slotGeneratorPreferences( )
{
// an instance the dialog could be already created and could be cached,
// in which case you want to display the cached dialog
if ( KConfigDialog::showDialog( "generator_prefs" ) )
return;
// we didn't find an instance of this dialog, so lets create it
KConfigDialog * dialog = new KConfigDialog( m_pageView, "generator_prefs", Okular::Settings::self() );
dialog->setCaption( i18n( "Configure Backends" ) );
m_document->fillConfigDialog( dialog );
// keep us informed when the user changes settings
connect( dialog, SIGNAL( settingsChanged( const QString& ) ), this, SLOT( slotNewGeneratorConfig() ) );
dialog->show();
}
void Part::notifySetup( const QVector< Okular::Page * > & /*pages*/, int setupFlags )
{
if ( !( setupFlags & Okular::DocumentObserver::DocumentChanged ) )
return;
rebuildBookmarkMenu();
updateAboutBackendAction();
m_searchWidget->setEnabled( m_document->supportsSearching() );
}
void Part::notifyViewportChanged( bool /*smoothMove*/ )
{
// update actions if the page is changed
static int lastPage = -1;
int viewportPage = m_document->viewport().pageNumber;
if ( viewportPage != lastPage )
{
updateViewActions();
lastPage = viewportPage;
}
}
void Part::notifyPageChanged( int page, int flags )
{
if ( !(flags & Okular::DocumentObserver::Bookmark ) )
return;
rebuildBookmarkMenu();
if ( page == m_document->viewport().pageNumber )
updateBookmarksActions();
}
void Part::goToPage(uint i)
{
if ( i <= m_document->pages() )
m_document->setViewportPage( i - 1 );
}
void Part::openDocument( const QString &doc )
{
openUrl( KUrl( doc ) );
}
uint Part::pages()
{
return m_document->pages();
}
uint Part::currentPage()
{
return m_document->pages() ? m_document->currentPage() + 1 : 0;
}
QString Part::currentDocument()
{
return m_document->currentDocument().pathOrUrl();
}
QString Part::documentMetaData( const QString &metaData ) const
{
const Okular::DocumentInfo * info = m_document->documentInfo();
if ( info )
{
QDomElement docElement = info->documentElement();
for ( QDomNode node = docElement.firstChild(); !node.isNull(); node = node.nextSibling() )
{
const QDomElement element = node.toElement();
if ( metaData.compare( element.tagName(), Qt::CaseInsensitive ) == 0 )
return element.attribute( "value" );
}
}
return QString();
}
bool Part::slotImportPSFile()
{
QString app = KStandardDirs::findExe( "ps2pdf" );
if ( app.isEmpty() )
{
// TODO point the user to their distro packages?
KMessageBox::error( widget(), i18n( "The program \"ps2pdf\" was not found, so Okular can not import PS files using it." ), i18n("ps2pdf not found") );
return false;
}
KUrl url = KFileDialog::getOpenUrl( KUrl(), "application/postscript", this->widget() );
if ( url.isLocalFile() )
{
KTemporaryFile tf;
tf.setSuffix( ".pdf" );
tf.setAutoRemove( false );
if ( !tf.open() )
return false;
m_temporaryLocalFile = tf.fileName();
tf.close();
setLocalFilePath( url.toLocalFile() );
QStringList args;
QProcess *p = new QProcess();
args << url.toLocalFile() << m_temporaryLocalFile;
m_pageView->displayMessage(i18n("Importing PS file as PDF (this may take a while)..."));
connect(p, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(psTransformEnded(int, QProcess::ExitStatus)));
p->start(app, args);
return true;
}
m_temporaryLocalFile.clear();
return false;
}
bool Part::openFile()
{
KMimeType::Ptr mime;
if ( !arguments().mimeType().isEmpty() )
{
mime = KMimeType::mimeType( arguments().mimeType() );
}
if ( !mime )
{
mime = KMimeType::findByPath( localFilePath() );
}
bool isCompressedFile = false;
bool uncompressOk = true;
QString fileNameToOpen = localFilePath();
QString compressedMime = compressedMimeFor( mime->name() );
if ( compressedMime.isEmpty() )
compressedMime = compressedMimeFor( mime->parentMimeType() );
if ( !compressedMime.isEmpty() )
{
isCompressedFile = true;
uncompressOk = handleCompressed( fileNameToOpen, localFilePath(), compressedMime );
mime = KMimeType::findByPath( fileNameToOpen );
}
bool ok = false;
if ( uncompressOk )
{
if ( mime->is( "application/vnd.kde.okular-archive" ) )
ok = m_document->openDocumentArchive( fileNameToOpen, url() );
else
ok = m_document->openDocument( fileNameToOpen, url(), mime );
}
bool canSearch = m_document->supportsSearching();
// update one-time actions
m_find->setEnabled( ok && canSearch );
m_findNext->setEnabled( ok && canSearch );
m_findPrev->setEnabled( ok && canSearch );
m_saveAs->setEnabled( ok && m_document->canSaveChanges() );
m_saveCopyAs->setEnabled( ok );
emit enablePrintAction( ok && m_document->printingSupport() != Okular::Document::NoPrinting );
m_printPreview->setEnabled( ok && m_document->printingSupport() != Okular::Document::NoPrinting );
m_showProperties->setEnabled( ok );
bool hasEmbeddedFiles = ok && m_document->embeddedFiles() && m_document->embeddedFiles()->count() > 0;
m_showEmbeddedFiles->setEnabled( hasEmbeddedFiles );
m_topMessage->setVisible( hasEmbeddedFiles );
// m_pageView->toggleFormsAction() may be null on dummy mode
m_formsMessage->setVisible( ok && m_pageView->toggleFormsAction() && m_pageView->toggleFormsAction()->isEnabled() );
m_showPresentation->setEnabled( ok );
if ( ok )
{
m_exportFormats = m_document->exportFormats();
QList<Okular::ExportFormat>::ConstIterator it = m_exportFormats.constBegin();
QList<Okular::ExportFormat>::ConstIterator itEnd = m_exportFormats.constEnd();
QMenu *menu = m_exportAs->menu();
for ( ; it != itEnd; ++it )
{
menu->addAction( actionForExportFormat( *it ) );
}
if ( isCompressedFile )
{
m_realUrl = url();
}
#ifdef OKULAR_KEEP_FILE_OPEN
if ( keepFileOpen() )
m_keeper->open( fileNameToOpen );
#endif
}
m_exportAsText->setEnabled( ok && m_document->canExportToText() );
m_exportAsDocArchive->setEnabled( ok );
m_exportAs->setEnabled( ok );
// update viewing actions
updateViewActions();
m_fileWasRemoved = false;
if ( !ok )
{
// if can't open document, update windows so they display blank contents
m_pageView->viewport()->update();
m_thumbnailList->update();
return false;
}
// set the file to the fileWatcher
if ( url().isLocalFile() )
{
if ( !m_watcher->contains( localFilePath() ) ) m_watcher->addFile(localFilePath());
QFileInfo fi(localFilePath());
if ( !m_watcher->contains( fi.absolutePath() ) ) m_watcher->addDir(fi.absolutePath());
}
// if the 'OpenTOC' flag is set, open the TOC
if ( m_document->metaData( "OpenTOC" ).toBool() && m_sidebar->isItemEnabled( 0 ) )
{
m_sidebar->setCurrentIndex( 0 );
}
// if the 'StartFullScreen' flag is set, or the command line flag was
// specified, start presentation
if ( m_document->metaData( "StartFullScreen" ).toBool() || m_cliPresentation )
{
bool goAheadWithPresentationMode = true;
if ( !m_cliPresentation )
{
const QString text = i18n( "The document requested to be launched in presentation mode.\n"
"Do you want to allow it?" );
const QString caption = i18n( "Presentation Mode" );
const KGuiItem yesItem = KGuiItem( i18n( "Allow" ), "dialog-ok", i18n( "Allow the presentation mode" ) );
const KGuiItem noItem = KGuiItem( i18n( "Do Not Allow" ), "process-stop", i18n( "Do not allow the presentation mode" ) );
const int result = KMessageBox::questionYesNo( widget(), text, caption, yesItem, noItem );
if ( result == KMessageBox::No )
goAheadWithPresentationMode = false;
}
m_cliPresentation = false;
if ( goAheadWithPresentationMode )
QMetaObject::invokeMethod( this, "slotShowPresentation", Qt::QueuedConnection );
}
m_generatorGuiClient = factory() ? m_document->guiClient() : 0;
if ( m_generatorGuiClient )
factory()->addClient( m_generatorGuiClient );
return true;
}
bool Part::openUrl(const KUrl &_url)
{
KUrl url( _url );
if ( url.hasHTMLRef() )
{
const QString dest = url.htmlRef();
bool ok = true;
const int page = dest.toInt( &ok );
if ( ok )
{
Okular::DocumentViewport vp( page - 1 );
vp.rePos.enabled = true;
vp.rePos.normalizedX = 0;
vp.rePos.normalizedY = 0;
vp.rePos.pos = Okular::DocumentViewport::TopLeft;
m_document->setNextDocumentViewport( vp );
}
else
{
m_document->setNextDocumentDestination( dest );
}
url.setHTMLRef( QString() );
}
// this calls in sequence the 'closeUrl' and 'openFile' methods
bool openOk = KParts::ReadOnlyPart::openUrl( url );
if ( openOk )
{
m_viewportDirty.pageNumber = -1;
setWindowTitleFromDocument();
}
return openOk;
}
bool Part::closeUrl()
{
if (!m_temporaryLocalFile.isNull() && m_temporaryLocalFile != localFilePath())
{
QFile::remove( m_temporaryLocalFile );
m_temporaryLocalFile.clear();
}
slotHidePresentation();
m_find->setEnabled( false );
m_findNext->setEnabled( false );
m_findPrev->setEnabled( false );
m_saveAs->setEnabled( false );
m_saveCopyAs->setEnabled( false );
m_printPreview->setEnabled( false );
m_showProperties->setEnabled( false );
m_showEmbeddedFiles->setEnabled( false );
m_exportAs->setEnabled( false );
m_exportAsText->setEnabled( false );
m_exportAsDocArchive->setEnabled( false );
m_exportFormats.clear();
QMenu *menu = m_exportAs->menu();
QList<QAction*> acts = menu->actions();
int num = acts.count();
for ( int i = 2; i < num; ++i )
{
menu->removeAction( acts.at(i) );
delete acts.at(i);
}
m_showPresentation->setEnabled( false );
emit setWindowCaption("");
emit enablePrintAction(false);
m_realUrl = KUrl();
if ( url().isLocalFile() )
{
m_watcher->removeFile( localFilePath() );
QFileInfo fi(localFilePath());
m_watcher->removeDir( fi.absolutePath() );
}
m_fileWasRemoved = false;
if ( m_generatorGuiClient )
factory()->removeClient( m_generatorGuiClient );
m_generatorGuiClient = 0;
m_document->closeDocument();
updateViewActions();
delete m_tempfile;
m_tempfile = 0;
if ( widget() )
{
m_searchWidget->clearText();
m_topMessage->setVisible( false );
m_formsMessage->setVisible( false );
}
#ifdef OKULAR_KEEP_FILE_OPEN
m_keeper->close();
#endif
return KParts::ReadOnlyPart::closeUrl();
}
void Part::close()
{
if ( m_embedMode == NativeShellMode )
{
closeUrl();
}
else KMessageBox::information( widget(), i18n( "This link points to a close document action that does not work when using the embedded viewer." ), QString(), "warnNoCloseIfNotInOkular" );
}
void Part::cannotQuit()
{
KMessageBox::information( widget(), i18n( "This link points to a quit application action that does not work when using the embedded viewer." ), QString(), "warnNoQuitIfNotInOkular" );
}
void Part::slotShowLeftPanel()
{
bool showLeft = m_showLeftPanel->isChecked();
Okular::Settings::setShowLeftPanel( showLeft );
Okular::Settings::self()->writeConfig();
// show/hide left panel
m_sidebar->setSidebarVisibility( showLeft );
}
void Part::slotFileDirty( const QString& path )
{
// The beauty of this is that each start cancels the previous one.
// This means that timeout() is only fired when there have
// no changes to the file for the last 750 milisecs.
// This ensures that we don't update on every other byte that gets
// written to the file.
if ( path == localFilePath() )
{
// Only start watching the file in case if it wasn't removed
if (QFile::exists(localFilePath()))
m_dirtyHandler->start( 750 );
else
m_fileWasRemoved = true;
}
else
{
QFileInfo fi(localFilePath());
if ( fi.absolutePath() == path )
{
// Our parent has been dirtified
if (!QFile::exists(localFilePath()))
{
m_fileWasRemoved = true;
}
else if (m_fileWasRemoved && QFile::exists(localFilePath()))
{
// we need to watch the new file
m_watcher->removeFile(localFilePath());
m_watcher->addFile(localFilePath());
m_dirtyHandler->start( 750 );
}
}
}
}
void Part::slotDoFileDirty()
{
// do the following the first time the file is reloaded
if ( m_viewportDirty.pageNumber == -1 )
{
// store the current viewport
m_viewportDirty = m_document->viewport();
// store the current toolbox pane
m_dirtyToolboxIndex = m_sidebar->currentIndex();
m_wasSidebarVisible = m_sidebar->isSidebarVisible();
// store if presentation view was open
m_wasPresentationOpen = ((PresentationWidget*)m_presentationWidget != 0);
// inform the user about the operation in progress
m_pageView->displayMessage( i18n("Reloading the document...") );
}
// close and (try to) reopen the document
if ( KParts::ReadOnlyPart::openUrl( url() ) )
{
// on successful opening, restore the previous viewport
if ( m_viewportDirty.pageNumber >= (int) m_document->pages() )
m_viewportDirty.pageNumber = (int) m_document->pages() - 1;
m_document->setViewport( m_viewportDirty );
m_viewportDirty.pageNumber = -1;
if ( m_sidebar->currentIndex() != m_dirtyToolboxIndex && m_sidebar->isItemEnabled( m_dirtyToolboxIndex ) )
{
m_sidebar->setCurrentIndex( m_dirtyToolboxIndex );
}
if ( m_sidebar->isSidebarVisible() != m_wasSidebarVisible )
{
m_sidebar->setCurrentIndex( m_sidebar->currentIndex() );
}
if (m_wasPresentationOpen) slotShowPresentation();
emit enablePrintAction(true && m_document->printingSupport() != Okular::Document::NoPrinting);
}
else
{
// start watching the file again (since we dropped it on close)
m_watcher->addFile(localFilePath());
m_dirtyHandler->start( 750 );
}
}
void Part::updateViewActions()
{
bool opened = m_document->pages() > 0;
if ( opened )
{
bool atBegin = m_document->currentPage() < 1;
bool atEnd = m_document->currentPage() >= (m_document->pages() - 1);
m_gotoPage->setEnabled( m_document->pages() > 1 );
m_firstPage->setEnabled( !atBegin );
m_prevPage->setEnabled( !atBegin );
m_lastPage->setEnabled( !atEnd );
m_nextPage->setEnabled( !atEnd );
if (m_historyBack) m_historyBack->setEnabled( !m_document->historyAtBegin() );
if (m_historyNext) m_historyNext->setEnabled( !m_document->historyAtEnd() );
m_reload->setEnabled( true );
m_copy->setEnabled( true );
m_selectAll->setEnabled( true );
}
else
{
m_gotoPage->setEnabled( false );
m_firstPage->setEnabled( false );
m_lastPage->setEnabled( false );
m_prevPage->setEnabled( false );
m_nextPage->setEnabled( false );
if (m_historyBack) m_historyBack->setEnabled( false );
if (m_historyNext) m_historyNext->setEnabled( false );
m_reload->setEnabled( false );
m_copy->setEnabled( false );
m_selectAll->setEnabled( false );
}
updateBookmarksActions();
}
void Part::updateBookmarksActions()
{
bool opened = m_document->pages() > 0;
if ( opened )
{
m_addBookmark->setEnabled( true );
if ( m_document->bookmarkManager()->isBookmarked( m_document->currentPage() ) )
{
m_addBookmark->setText( i18n( "Remove Bookmark" ) );
m_addBookmark->setIcon( KIcon( "edit-delete-bookmark" ) );
}
else
{
m_addBookmark->setText( m_addBookmarkText );
m_addBookmark->setIcon( m_addBookmarkIcon );
}
}
else
{
m_addBookmark->setEnabled( false );
m_addBookmark->setText( m_addBookmarkText );
m_addBookmark->setIcon( m_addBookmarkIcon );
}
}
void Part::enableTOC(bool enable)
{
m_sidebar->setItemEnabled(0, enable);
}
void Part::slotRebuildBookmarkMenu()
{
rebuildBookmarkMenu();
}
void Part::slotShowFindBar()
{
m_findBar->show();
m_findBar->focusAndSetCursor();
}
void Part::slotHideFindBar()
{
if ( m_findBar->maybeHide() )
{
m_pageView->setFocus();
}
}
//BEGIN go to page dialog
class GotoPageDialog : public KDialog
{
public:
GotoPageDialog(QWidget *p, int current, int max) : KDialog(p)
{
setCaption(i18n("Go to Page"));
setButtons(Ok | Cancel);
setDefaultButton(Ok);
QWidget *w = new QWidget(this);
setMainWidget(w);
QVBoxLayout *topLayout = new QVBoxLayout(w);
topLayout->setMargin(0);
topLayout->setSpacing(spacingHint());
e1 = new KIntNumInput(current, w);
e1->setRange(1, max);
e1->setEditFocus(true);
e1->setSliderEnabled(true);
QLabel *label = new QLabel(i18n("&Page:"), w);
label->setBuddy(e1);
topLayout->addWidget(label);
topLayout->addWidget(e1);
// A little bit extra space
topLayout->addSpacing(spacingHint());
topLayout->addStretch(10);
e1->setFocus();
}
int getPage() const
{
return e1->value();
}
protected:
KIntNumInput *e1;
};
//END go to page dialog
void Part::slotGoToPage()
{
GotoPageDialog pageDialog( m_pageView, m_document->currentPage() + 1, m_document->pages() );
if ( pageDialog.exec() == QDialog::Accepted )
m_document->setViewportPage( pageDialog.getPage() - 1 );
}
void Part::slotPreviousPage()
{
if ( m_document->isOpened() && !(m_document->currentPage() < 1) )
m_document->setViewportPage( m_document->currentPage() - 1 );
}
void Part::slotNextPage()
{
if ( m_document->isOpened() && m_document->currentPage() < (m_document->pages() - 1) )
m_document->setViewportPage( m_document->currentPage() + 1 );
}
void Part::slotGotoFirst()
{
if ( m_document->isOpened() )
m_document->setViewportPage( 0 );
}
void Part::slotGotoLast()
{
if ( m_document->isOpened() )
m_document->setViewportPage( m_document->pages() - 1 );
}
void Part::slotHistoryBack()
{
m_document->setPrevViewport();
}
void Part::slotHistoryNext()
{
m_document->setNextViewport();
}
void Part::slotAddBookmark()
{
uint current = m_document->currentPage();
if ( m_document->bookmarkManager()->isBookmarked( current ) )
{
m_document->bookmarkManager()->removeBookmark( current );
}
else
{
m_document->bookmarkManager()->addBookmark( current );
}
}
void Part::slotPreviousBookmark()
{
uint current = m_document->currentPage();
// we are at the first page
if ( current == 0 )
return;
for ( int i = current - 1; i >= 0; --i )
{
if ( m_document->bookmarkManager()->isBookmarked( i ) )
{
m_document->setViewportPage( i );
break;
}
}
}
void Part::slotNextBookmark()
{
uint current = m_document->currentPage();
uint pages = m_document->pages();
// we are at the last page
if ( current == pages )
return;
for ( uint i = current + 1; i < pages; ++i )
{
if ( m_document->bookmarkManager()->isBookmarked( i ) )
{
m_document->setViewportPage( i );
break;
}
}
}
void Part::slotFind()
{
// when in presentation mode, there's already a search bar, taking care of
// the 'find' requests
if ( (PresentationWidget*)m_presentationWidget != 0 )
{
m_presentationWidget->slotFind();
}
else
{
slotShowFindBar();
}
}
void Part::slotFindNext()
{
if (m_findBar->isHidden())
slotShowFindBar();
else
m_findBar->findNext();
}
void Part::slotFindPrev()
{
if (m_findBar->isHidden())
slotShowFindBar();
else
m_findBar->findPrev();
}
void Part::slotSaveFileAs()
{
if ( m_embedMode == PrintPreviewMode )
return;
KUrl saveUrl = KFileDialog::getSaveUrl( KUrl("kfiledialog:///okular/" + url().fileName()),
QString(), widget(), QString(),
KFileDialog::ConfirmOverwrite );
if ( !saveUrl.isValid() || saveUrl.isEmpty() )
return;
KTemporaryFile tf;
QString fileName;
if ( !tf.open() )
{
KMessageBox::information( widget(), i18n("Could not open the temporary file for saving." ) );
return;
}
fileName = tf.fileName();
tf.close();
QString errorText;
if ( !m_document->saveChanges( fileName, &errorText ) )
{
if (errorText.isEmpty())
{
KMessageBox::information( widget(), i18n("File could not be saved in '%1'. Try to save it to another location.", fileName ) );
}
else
{
KMessageBox::information( widget(), i18n("File could not be saved in '%1'. %2", fileName, errorText ) );
}
return;
}
KIO::Job *copyJob = KIO::file_copy( fileName, saveUrl, -1, KIO::Overwrite );
if ( !KIO::NetAccess::synchronousRun( copyJob, widget() ) )
KMessageBox::information( widget(), i18n("File could not be saved in '%1'. Try to save it to another location.", saveUrl.prettyUrl() ) );
}
void Part::slotSaveCopyAs()
{
if ( m_embedMode == PrintPreviewMode )
return;
KUrl saveUrl = KFileDialog::getSaveUrl( KUrl("kfiledialog:///okular/" + url().fileName()),
QString(), widget(), QString(),
KFileDialog::ConfirmOverwrite );
if ( saveUrl.isValid() && !saveUrl.isEmpty() )
{
// make use of the already downloaded (in case of remote URLs) file,
// no point in downloading that again
KUrl srcUrl = KUrl::fromPath( localFilePath() );
KTemporaryFile * tempFile = 0;
// duh, our local file disappeared...
if ( !QFile::exists( localFilePath() ) )
{
if ( url().isLocalFile() )
{
#ifdef OKULAR_KEEP_FILE_OPEN
// local file: try to get it back from the open handle on it
if ( ( tempFile = m_keeper->copyToTemporary() ) )
srcUrl = KUrl::fromPath( tempFile->fileName() );
#else
const QString msg = i18n( "Okular cannot copy %1 to the specified location.\n\nThe document does not exist anymore.", localFilePath() );
KMessageBox::sorry( widget(), msg );
return;
#endif
}
else
{
// we still have the original remote URL of the document,
// so copy the document from there
srcUrl = url();
}
}
KIO::Job *copyJob = KIO::file_copy( srcUrl, saveUrl, -1, KIO::Overwrite );
if ( !KIO::NetAccess::synchronousRun( copyJob, widget() ) )
KMessageBox::information( widget(), i18n("File could not be saved in '%1'. Try to save it to another location.", saveUrl.prettyUrl() ) );
delete tempFile;
}
}
void Part::slotGetNewStuff()
{
#if 0
KNS::Engine engine(widget());
engine.init( "okular.knsrc" );
// show the modal dialog over pageview and execute it
KNS::Entry::List entries = engine.downloadDialogModal( m_pageView );
Q_UNUSED( entries )
#endif
}
void Part::slotPreferences()
{
// an instance the dialog could be already created and could be cached,
// in which case you want to display the cached dialog
if ( PreferencesDialog::showDialog( "preferences" ) )
return;
// we didn't find an instance of this dialog, so lets create it
PreferencesDialog * dialog = new PreferencesDialog( m_pageView, Okular::Settings::self() );
// keep us informed when the user changes settings
connect( dialog, SIGNAL( settingsChanged( const QString & ) ), this, SLOT( slotNewConfig() ) );
dialog->show();
}
void Part::slotNewConfig()
{
// Apply settings here. A good policy is to check whether the setting has
// changed before applying changes.
// Watch File
bool watchFile = Okular::Settings::watchFile();
if ( watchFile && m_watcher->isStopped() )
m_watcher->startScan();
if ( !watchFile && !m_watcher->isStopped() )
{
m_dirtyHandler->stop();
m_watcher->stopScan();
}
// Main View (pageView)
m_pageView->reparseConfig();
// update document settings
m_document->reparseConfig();
// update TOC settings
if ( m_sidebar->isItemEnabled(0) )
m_toc->reparseConfig();
// update ThumbnailList contents
if ( Okular::Settings::showLeftPanel() && !m_thumbnailList->isHidden() )
m_thumbnailList->updateWidgets();
// update Reviews settings
if ( m_sidebar->isItemEnabled(2) )
m_reviewsWidget->reparseConfig();
}
void Part::slotNewGeneratorConfig()
{
// Apply settings here. A good policy is to check whether the setting has
// changed before applying changes.
// NOTE: it's not needed to reload the configuration of the Document,
// the Document itself will take care of that
// Main View (pageView)
m_pageView->reparseConfig();
// update TOC settings
if ( m_sidebar->isItemEnabled(0) )
m_toc->reparseConfig();
// update ThumbnailList contents
if ( Okular::Settings::showLeftPanel() && !m_thumbnailList->isHidden() )
m_thumbnailList->updateWidgets();
// update Reviews settings
if ( m_sidebar->isItemEnabled(2) )
m_reviewsWidget->reparseConfig();
}
void Part::slotPrintPreview()
{
if (m_document->pages() == 0) return;
QPrinter printer;
// Native printing supports KPrintPreview, Postscript needs to use FilePrinterPreview
if ( m_document->printingSupport() == Okular::Document::NativePrinting )
{
KPrintPreview previewdlg( &printer, widget() );
setupPrint( printer );
doPrint( printer );
previewdlg.exec();
}
else
{
// Generate a temp filename for Print to File, then release the file so generator can write to it
KTemporaryFile tf;
tf.setAutoRemove( true );
tf.setSuffix( ".ps" );
tf.open();
printer.setOutputFileName( tf.fileName() );
tf.close();
setupPrint( printer );
doPrint( printer );
if ( QFile::exists( printer.outputFileName() ) )
{
Okular::FilePrinterPreview previewdlg( printer.outputFileName(), widget() );
previewdlg.exec();
}
}
}
void Part::slotShowMenu(const Okular::Page *page, const QPoint &point)
{
if ( m_embedMode == PrintPreviewMode )
return;
bool reallyShow = false;
if (!m_actionsSearched)
{
// the quest for options_show_menubar
KActionCollection *ac;
QAction *act;
if (factory())
{
QList<KXMLGUIClient*> clients(factory()->clients());
for(int i = 0 ; (!m_showMenuBarAction || !m_showFullScreenAction) && i < clients.size(); ++i)
{
ac = clients.at(i)->actionCollection();
// show_menubar
act = ac->action("options_show_menubar");
if (act && qobject_cast<KToggleAction*>(act))
m_showMenuBarAction = qobject_cast<KToggleAction*>(act);
// fullscreen
act = ac->action("fullscreen");
if (act && qobject_cast<KToggleFullScreenAction*>(act))
m_showFullScreenAction = qobject_cast<KToggleFullScreenAction*>(act);
}
}
m_actionsSearched = true;
}
KMenu *popup = new KMenu( widget() );
QAction *addBookmark = 0;
QAction *removeBookmark = 0;
QAction *fitPageWidth = 0;
if (page)
{
popup->addTitle( i18n( "Page %1", page->number() + 1 ) );
if ( m_document->bookmarkManager()->isBookmarked( page->number() ) )
removeBookmark = popup->addAction( KIcon("edit-delete-bookmark"), i18n("Remove Bookmark") );
else
addBookmark = popup->addAction( KIcon("bookmark-new"), i18n("Add Bookmark") );
if ( m_pageView->canFitPageWidth() )
fitPageWidth = popup->addAction( KIcon("zoom-fit-best"), i18n("Fit Width") );
popup->addAction( m_prevBookmark );
popup->addAction( m_nextBookmark );
reallyShow = true;
}
/*
//Albert says: I have not ported this as i don't see it does anything
if ( d->mouseOnRect ) // and rect->objectType() == ObjectRect::Image ...
{
m_popup->insertItem( SmallIcon("document-save"), i18n("Save Image..."), 4 );
m_popup->setItemEnabled( 4, false );
}*/
if ((m_showMenuBarAction && !m_showMenuBarAction->isChecked()) || (m_showFullScreenAction && m_showFullScreenAction->isChecked()))
{
popup->addTitle( i18n( "Tools" ) );
if (m_showMenuBarAction && !m_showMenuBarAction->isChecked()) popup->addAction(m_showMenuBarAction);
if (m_showFullScreenAction && m_showFullScreenAction->isChecked()) popup->addAction(m_showFullScreenAction);
reallyShow = true;
}
if (reallyShow)
{
QAction *res = popup->exec(point);
if (res)
{
if (res == addBookmark) m_document->bookmarkManager()->addBookmark( page->number() );
else if (res == removeBookmark) m_document->bookmarkManager()->removeBookmark( page->number() );
else if (res == fitPageWidth) m_pageView->fitPageWidth( page->number() );
}
}
delete popup;
}
void Part::slotShowProperties()
{
PropertiesDialog *d = new PropertiesDialog(widget(), m_document);
d->exec();
delete d;
}
void Part::slotShowEmbeddedFiles()
{
EmbeddedFilesDialog *d = new EmbeddedFilesDialog(widget(), m_document);
d->exec();
delete d;
}
void Part::slotShowPresentation()
{
if ( !m_presentationWidget )
{
m_presentationWidget = new PresentationWidget( widget(), m_document, actionCollection() );
}
}
void Part::slotHidePresentation()
{
if ( m_presentationWidget )
delete (PresentationWidget*) m_presentationWidget;
}
void Part::slotTogglePresentation()
{
if ( m_document->isOpened() )
{
if ( !m_presentationWidget )
m_presentationWidget = new PresentationWidget( widget(), m_document, actionCollection() );
else delete (PresentationWidget*) m_presentationWidget;
}
}
void Part::reload()
{
if ( m_document->isOpened() )
{
slotReload();
}
}
void Part::slotAboutBackend()
{
const KComponentData *data = m_document->componentData();
if ( !data )
return;
KAboutData aboutData( *data->aboutData() );
if ( aboutData.programIconName().isEmpty() || aboutData.programIconName() == aboutData.appName() )
{
if ( const Okular::DocumentInfo *documentInfo = m_document->documentInfo() )
{
const QString mimeTypeName = documentInfo->get("mimeType");
if ( !mimeTypeName.isEmpty() )
{
if ( KMimeType::Ptr type = KMimeType::mimeType( mimeTypeName ) )
aboutData.setProgramIconName( type->iconName() );
}
}
}
KAboutApplicationDialog dlg( &aboutData, widget() );
dlg.exec();
}
void Part::slotExportAs(QAction * act)
{
QList<QAction*> acts = m_exportAs->menu() ? m_exportAs->menu()->actions() : QList<QAction*>();
int id = acts.indexOf( act );
if ( ( id < 0 ) || ( id >= acts.count() ) )
return;
QString filter;
switch ( id )
{
case 0:
filter = "text/plain";
break;
case 1:
filter = "application/vnd.kde.okular-archive";
break;
default:
filter = m_exportFormats.at( id - 2 ).mimeType()->name();
break;
}
QString fileName = KFileDialog::getSaveFileName( url().isLocalFile() ? url().directory() : QString(),
filter, widget(), QString(),
KFileDialog::ConfirmOverwrite );
if ( !fileName.isEmpty() )
{
bool saved = false;
switch ( id )
{
case 0:
saved = m_document->exportToText( fileName );
break;
case 1:
saved = m_document->saveDocumentArchive( fileName );
break;
default:
saved = m_document->exportTo( fileName, m_exportFormats.at( id - 2 ) );
break;
}
if ( !saved )
KMessageBox::information( widget(), i18n("File could not be saved in '%1'. Try to save it to another location.", fileName ) );
}
}
void Part::slotReload()
{
// stop the dirty handler timer, otherwise we may conflict with the
// auto-refresh system
m_dirtyHandler->stop();
slotDoFileDirty();
}
void Part::slotPrint()
{
if (m_document->pages() == 0) return;
QPrinter printer;
QPrintDialog *printDialog = 0;
QWidget *printConfigWidget = 0;
// Must do certain QPrinter setup before creating QPrintDialog
setupPrint( printer );
// Create the Print Dialog with extra config widgets if required
if ( m_document->canConfigurePrinter() )
{
printConfigWidget = m_document->printConfigurationWidget();
}
if ( printConfigWidget )
{
printDialog = KdePrint::createPrintDialog( &printer, QList<QWidget*>() << printConfigWidget, widget() );
}
else
{
printDialog = KdePrint::createPrintDialog( &printer, widget() );
}
if ( printDialog )
{
// Set the available Print Range
printDialog->setMinMax( 1, m_document->pages() );
printDialog->setFromTo( 1, m_document->pages() );
// If the user has bookmarked pages for printing, then enable Selection
if ( !m_document->bookmarkedPageRange().isEmpty() )
{
printDialog->addEnabledOption( QAbstractPrintDialog::PrintSelection );
}
// If the Document type doesn't support print to both PS & PDF then disable the Print Dialog option
if ( printDialog->isOptionEnabled( QAbstractPrintDialog::PrintToFile ) &&
!m_document->supportsPrintToFile() )
{
printDialog->setEnabledOptions( printDialog->enabledOptions() ^ QAbstractPrintDialog::PrintToFile );
}
#if QT_VERSION >= KDE_MAKE_VERSION(4,7,0)
// Enable the Current Page option in the dialog.
if ( m_document->pages() > 1 && currentPage() > 0 )
{
printDialog->setOption( QAbstractPrintDialog::PrintCurrentPage );
}
#endif
if ( printDialog->exec() )
doPrint( printer );
delete printDialog;
}
}
void Part::setupPrint( QPrinter &printer )
{
double width, height;
int landscape, portrait;
const Okular::Page *page;
// if some pages are landscape and others are not the most common win as QPrinter does
// not accept a per page setting
landscape = 0;
portrait = 0;
for (uint i = 0; i < m_document->pages(); i++)
{
page = m_document->page(i);
width = page->width();
height = page->height();
if (page->orientation() == Okular::Rotation90 || page->orientation() == Okular::Rotation270) qSwap(width, height);
if (width > height) landscape++;
else portrait++;
}
if (landscape > portrait) printer.setOrientation(QPrinter::Landscape);
// title
QString title = m_document->metaData( "DocumentTitle" ).toString();
if ( title.isEmpty() )
{
title = m_document->currentDocument().fileName();
}
if ( !title.isEmpty() )
{
printer.setDocName( title );
}
}
void Part::doPrint(QPrinter &printer)
{
if (!m_document->isAllowed(Okular::AllowPrint))
{
KMessageBox::error(widget(), i18n("Printing this document is not allowed."));
return;
}
if (!m_document->print(printer))
{
const QString error = m_document->printError();
if (error.isEmpty())
{
KMessageBox::error(widget(), i18n("Could not print the document. Unknown error. Please report to bugs.kde.org"));
}
else
{
KMessageBox::error(widget(), i18n("Could not print the document. Detailed error is \"%1\". Please report to bugs.kde.org", error));
}
}
}
void Part::restoreDocument(const KConfigGroup &group)
{
KUrl url ( group.readPathEntry( "URL", QString() ) );
if ( url.isValid() )
{
QString viewport = group.readEntry( "Viewport" );
if (!viewport.isEmpty()) m_document->setNextDocumentViewport( Okular::DocumentViewport( viewport ) );
openUrl( url );
}
}
void Part::saveDocumentRestoreInfo(KConfigGroup &group)
{
group.writePathEntry( "URL", url().url() );
group.writeEntry( "Viewport", m_document->viewport().toString() );
}
void Part::psTransformEnded(int exit, QProcess::ExitStatus status)
{
Q_UNUSED( exit )
if ( status != QProcess::NormalExit )
return;
QProcess *senderobj = sender() ? qobject_cast< QProcess * >( sender() ) : 0;
if ( senderobj )
{
senderobj->close();
senderobj->deleteLater();
}
setLocalFilePath( m_temporaryLocalFile );
openUrl( m_temporaryLocalFile );
m_temporaryLocalFile.clear();
}
void Part::unsetDummyMode()
{
if ( m_embedMode == PrintPreviewMode )
return;
m_sidebar->setItemEnabled( 2, true );
m_sidebar->setItemEnabled( 3, true );
m_sidebar->setSidebarVisibility( Okular::Settings::showLeftPanel() );
// add back and next in history
m_historyBack = KStandardAction::documentBack( this, SLOT( slotHistoryBack() ), actionCollection() );
m_historyBack->setWhatsThis( i18n( "Go to the place you were before" ) );
m_historyNext = KStandardAction::documentForward( this, SLOT( slotHistoryNext() ), actionCollection());
m_historyNext->setWhatsThis( i18n( "Go to the place you were after" ) );
m_pageView->setupActions( actionCollection() );
// attach the actions of the children widgets too
m_formsMessage->setActionButton( m_pageView->toggleFormsAction() );
// ensure history actions are in the correct state
updateViewActions();
}
bool Part::handleCompressed( QString &destpath, const QString &path, const QString &compressedMimetype )
{
m_tempfile = 0;
// we are working with a compressed file, decompressing
// temporary file for decompressing
KTemporaryFile *newtempfile = new KTemporaryFile();
newtempfile->setAutoRemove(true);
if ( !newtempfile->open() )
{
KMessageBox::error( widget(),
i18n("<qt><strong>File Error!</strong> Could not create temporary file "
"<nobr><strong>%1</strong></nobr>.</qt>",
strerror(newtempfile->error())));
delete newtempfile;
return false;
}
// decompression filer
QIODevice* filterDev = KFilterDev::deviceForFile( path, compressedMimetype );
if (!filterDev)
{
delete newtempfile;
return false;
}
if ( !filterDev->open(QIODevice::ReadOnly) )
{
KMessageBox::detailedError( widget(),
i18n("<qt><strong>File Error!</strong> Could not open the file "
"<nobr><strong>%1</strong></nobr> for uncompression. "
"The file will not be loaded.</qt>", path),
i18n("<qt>This error typically occurs if you do "
"not have enough permissions to read the file. "
"You can check ownership and permissions if you "
"right-click on the file in the Dolphin "
"file manager and then choose the 'Properties' tab.</qt>"));
delete filterDev;
delete newtempfile;
return false;
}
QByteArray buf(1024, '\0');
int read = 0, wrtn = 0;
while ((read = filterDev->read(buf.data(), buf.size())) > 0)
{
wrtn = newtempfile->write(buf.data(), read);
if ( read != wrtn )
break;
}
delete filterDev;
if ((read != 0) || (newtempfile->size() == 0))
{
KMessageBox::detailedError(widget(),
i18n("<qt><strong>File Error!</strong> Could not uncompress "
"the file <nobr><strong>%1</strong></nobr>. "
"The file will not be loaded.</qt>", path ),
i18n("<qt>This error typically occurs if the file is corrupt. "
"If you want to be sure, try to decompress the file manually "
"using command-line tools.</qt>"));
delete newtempfile;
return false;
}
m_tempfile = newtempfile;
destpath = m_tempfile->fileName();
return true;
}
void Part::rebuildBookmarkMenu( bool unplugActions )
{
if ( unplugActions )
{
unplugActionList( "bookmarks_currentdocument" );
qDeleteAll( m_bookmarkActions );
m_bookmarkActions.clear();
}
KUrl u = m_document->currentDocument();
if ( u.isValid() )
{
m_bookmarkActions = m_document->bookmarkManager()->actionsForUrl( u );
}
bool havebookmarks = true;
if ( m_bookmarkActions.isEmpty() )
{
havebookmarks = false;
QAction * a = new QAction( 0 );
a->setText( i18n( "No Bookmarks" ) );
a->setEnabled( false );
m_bookmarkActions.append( a );
}
plugActionList( "bookmarks_currentdocument", m_bookmarkActions );
m_prevBookmark->setEnabled( havebookmarks );
m_nextBookmark->setEnabled( havebookmarks );
}
void Part::updateAboutBackendAction()
{
const KComponentData *data = m_document->componentData();
if ( data )
{
m_aboutBackend->setEnabled( true );
}
else
{
m_aboutBackend->setEnabled( false );
}
}
} // namespace Okular
#include "part.moc"
/* kate: replace-tabs on; indent-width 4; */