diff --git a/shell/shell.cpp b/shell/shell.cpp index 5787ebf18..52d5fc367 100644 --- a/shell/shell.cpp +++ b/shell/shell.cpp @@ -1,781 +1,788 @@ /*************************************************************************** * Copyright (C) 2002 by Wilco Greven * * Copyright (C) 2002 by Chris Cheney * * Copyright (C) 2003 by Benjamin Meyer * * Copyright (C) 2003-2004 by Christophe Devriese * * * * Copyright (C) 2003 by Laurent Montel * * Copyright (C) 2003-2004 by Albert Astals Cid * * Copyright (C) 2003 by Luboš Luňák * * Copyright (C) 2003 by Malcolm Hunter * * Copyright (C) 2004 by Dominique Devriese * * Copyright (C) 2004 by Dirk Mueller * * * * 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 "shell.h" // qt/kde includes #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef Q_OS_WIN #include #endif // local includes #include "kdocumentviewer.h" #include "../interfaces/viewerinterface.h" #include "shellutils.h" static const char *shouldShowMenuBarComingFromFullScreen = "shouldShowMenuBarComingFromFullScreen"; static const char *shouldShowToolBarComingFromFullScreen = "shouldShowToolBarComingFromFullScreen"; static const char* const SESSION_URL_KEY = "Urls"; static const char* const SESSION_TAB_KEY = "ActiveTab"; Shell::Shell( const QString &serializedOptions ) : KParts::MainWindow(), m_menuBarWasShown(true), m_toolBarWasShown(true) #ifndef Q_OS_WIN , m_activityResource(nullptr) #endif , m_isValid(true) { setObjectName( QStringLiteral( "okular::Shell#" ) ); setContextMenuPolicy( Qt::NoContextMenu ); // otherwise .rc file won't be found by unit test setComponentName(QStringLiteral("okular"), QString()); // set the shell's ui resource file setXMLFile(QStringLiteral("shell.rc")); m_fileformatsscanned = false; m_showMenuBarAction = nullptr; // this routine will find and load our Part. it finds the Part by // name which is a bad idea usually.. but it's alright in this // case since our Part is made for this Shell KPluginLoader loader(QStringLiteral("okularpart")); m_partFactory = loader.factory(); if (!m_partFactory) { // if we couldn't find our Part, we exit since the Shell by // itself can't do anything useful m_isValid = false; KMessageBox::error(this, i18n("Unable to find the Okular component: %1", loader.errorString())); return; } // now that the Part plugin is loaded, create the part KParts::ReadWritePart* const firstPart = m_partFactory->create< KParts::ReadWritePart >( this ); if (firstPart) { // Setup tab bar m_tabWidget = new QTabWidget( this ); m_tabWidget->setTabsClosable( true ); m_tabWidget->setElideMode( Qt::ElideRight ); m_tabWidget->tabBar()->hide(); m_tabWidget->setDocumentMode( true ); m_tabWidget->setMovable( true ); m_tabWidget->setAcceptDrops(true); m_tabWidget->installEventFilter(this); connect( m_tabWidget, &QTabWidget::currentChanged, this, &Shell::setActiveTab ); connect( m_tabWidget, &QTabWidget::tabCloseRequested, this, &Shell::closeTab ); connect( m_tabWidget->tabBar(), &QTabBar::tabMoved, this, &Shell::moveTabData ); setCentralWidget( m_tabWidget ); // then, setup our actions setupActions(); connect( QCoreApplication::instance(), &QCoreApplication::aboutToQuit, this, &QObject::deleteLater ); // and integrate the part's GUI with the shell's setupGUI(Keys | ToolBar | Save); createGUI(firstPart); connectPart( firstPart ); m_tabs.append( firstPart ); m_tabWidget->addTab( firstPart->widget(), QString() ); readSettings(); m_unique = ShellUtils::unique(serializedOptions); if (m_unique) { m_unique = QDBusConnection::sessionBus().registerService(QStringLiteral("org.kde.okular")); if (!m_unique) KMessageBox::information(this, i18n("There is already a unique Okular instance running. This instance won't be the unique one.")); } else { QString serviceName = QStringLiteral("org.kde.okular-") + QString::number(qApp->applicationPid()); QDBusConnection::sessionBus().registerService(serviceName); } if (ShellUtils::noRaise(serializedOptions)) { setAttribute(Qt::WA_ShowWithoutActivating); } QDBusConnection::sessionBus().registerObject(QStringLiteral("/okularshell"), this, QDBusConnection::ExportScriptableSlots); } else { m_isValid = false; KMessageBox::error(this, i18n("Unable to find the Okular component.")); } } bool Shell::eventFilter(QObject *obj, QEvent *event) { Q_UNUSED(obj); QDragMoveEvent* dmEvent = dynamic_cast(event); if (dmEvent) { bool accept = dmEvent->mimeData()->hasUrls(); event->setAccepted(accept); return accept; } QDropEvent* dEvent = dynamic_cast(event); if (dEvent) { const QList list = KUrlMimeData::urlsFromMimeData(dEvent->mimeData()); handleDroppedUrls(list); dEvent->setAccepted(true); return true; } return false; } bool Shell::isValid() const { return m_isValid; } void Shell::showOpenRecentMenu() { m_recent->menu()->popup(QCursor::pos()); } Shell::~Shell() { if( !m_tabs.empty() ) { writeSettings(); for( QList::iterator it = m_tabs.begin(); it != m_tabs.end(); ++it ) { it->part->closeUrl( false ); } m_tabs.clear(); } if (m_unique) QDBusConnection::sessionBus().unregisterService(QStringLiteral("org.kde.okular")); delete m_tabWidget; } // Open a new document if we have space for it // This can hang if called on a unique instance and openUrl pops a messageBox bool Shell::openDocument( const QUrl& url, const QString &serializedOptions ) { if( m_tabs.size() <= 0 ) return false; KParts::ReadWritePart* const part = m_tabs[0].part; // Return false if we can't open new tabs and the only part is occupied if ( !dynamic_cast(part)->openNewFilesInTabs() && !part->url().isEmpty() && !ShellUtils::unique(serializedOptions)) { return false; } openUrl( url, serializedOptions ); return true; } bool Shell::openDocument( const QString& urlString, const QString &serializedOptions ) { return openDocument(QUrl(urlString), serializedOptions); } bool Shell::canOpenDocs( int numDocs, int desktop ) { if( m_tabs.size() <= 0 || numDocs <= 0 || m_unique ) return false; KParts::ReadWritePart* const part = m_tabs[0].part; const bool allowTabs = dynamic_cast(part)->openNewFilesInTabs(); if( !allowTabs && (numDocs > 1 || !part->url().isEmpty()) ) return false; const KWindowInfo winfo( window()->effectiveWinId(), KWindowSystem::WMDesktop ); if( winfo.desktop() != desktop ) return false; return true; } void Shell::openUrl( const QUrl & url, const QString &serializedOptions ) { const int activeTab = m_tabWidget->currentIndex(); if ( activeTab < m_tabs.size() ) { KParts::ReadWritePart* const activePart = m_tabs[activeTab].part; if( !activePart->url().isEmpty() ) { if( m_unique ) { applyOptionsToPart( activePart, serializedOptions ); activePart->openUrl( url ); } else { if( dynamic_cast(activePart)->openNewFilesInTabs() ) { openNewTab( url, serializedOptions ); } else { Shell* newShell = new Shell( serializedOptions ); newShell->show(); newShell->openUrl( url, serializedOptions ); } } } else { m_tabWidget->setTabText( activeTab, url.fileName() ); applyOptionsToPart( activePart, serializedOptions ); bool openOk = activePart->openUrl( url ); const bool isstdin = url.fileName() == QLatin1String( "-" ); if ( !isstdin ) { if ( openOk ) { #ifndef Q_OS_WIN if ( !m_activityResource ) m_activityResource = new KActivities::ResourceInstance( window()->winId(), this ); m_activityResource->setUri( url ); #endif m_recent->addUrl( url ); } else m_recent->removeUrl( url ); } } } } void Shell::closeUrl() { closeTab( m_tabWidget->currentIndex() ); } void Shell::readSettings() { m_recent->loadEntries( KSharedConfig::openConfig()->group( "Recent Files" ) ); m_recent->setEnabled( true ); // force enabling const KConfigGroup group = KSharedConfig::openConfig()->group( "Desktop Entry" ); bool fullScreen = group.readEntry( "FullScreen", false ); setFullScreen( fullScreen ); if (fullScreen) { m_menuBarWasShown = group.readEntry( shouldShowMenuBarComingFromFullScreen, true ); m_toolBarWasShown = group.readEntry( shouldShowToolBarComingFromFullScreen, true ); } } void Shell::writeSettings() { m_recent->saveEntries( KSharedConfig::openConfig()->group( "Recent Files" ) ); KConfigGroup group = KSharedConfig::openConfig()->group( "Desktop Entry" ); group.writeEntry( "FullScreen", m_fullScreenAction->isChecked() ); if (m_fullScreenAction->isChecked()) { group.writeEntry( shouldShowMenuBarComingFromFullScreen, m_menuBarWasShown ); group.writeEntry( shouldShowToolBarComingFromFullScreen, m_toolBarWasShown ); } KSharedConfig::openConfig()->sync(); } void Shell::setupActions() { KStandardAction::open(this, SLOT(fileOpen()), actionCollection()); m_recent = KStandardAction::openRecent( this, SLOT(openUrl(QUrl)), actionCollection() ); m_recent->setToolBarMode( KRecentFilesAction::MenuMode ); connect( m_recent, &QAction::triggered, this, &Shell::showOpenRecentMenu ); m_recent->setToolTip( i18n("Click to open a file\nClick and hold to open a recent file") ); m_recent->setWhatsThis( i18n( "Click to open a file or Click and hold to select a recent file" ) ); m_printAction = KStandardAction::print( this, SLOT(print()), actionCollection() ); m_printAction->setEnabled( false ); m_closeAction = KStandardAction::close( this, SLOT(closeUrl()), actionCollection() ); m_closeAction->setEnabled( false ); KStandardAction::quit(this, SLOT(close()), actionCollection()); setStandardToolBarMenuEnabled(true); m_showMenuBarAction = KStandardAction::showMenubar( this, SLOT(slotShowMenubar()), actionCollection()); m_fullScreenAction = KStandardAction::fullScreen( this, SLOT(slotUpdateFullScreen()), this,actionCollection() ); m_nextTabAction = actionCollection()->addAction(QStringLiteral("tab-next")); m_nextTabAction->setText( i18n("Next Tab") ); actionCollection()->setDefaultShortcuts(m_nextTabAction, KStandardShortcut::tabNext()); m_nextTabAction->setEnabled( false ); connect( m_nextTabAction, &QAction::triggered, this, &Shell::activateNextTab ); m_prevTabAction = actionCollection()->addAction(QStringLiteral("tab-previous")); m_prevTabAction->setText( i18n("Previous Tab") ); actionCollection()->setDefaultShortcuts(m_prevTabAction, KStandardShortcut::tabPrev()); m_prevTabAction->setEnabled( false ); connect( m_prevTabAction, &QAction::triggered, this, &Shell::activatePrevTab ); } void Shell::saveProperties(KConfigGroup &group) { if ( !m_isValid ) // part couldn't be loaded, nothing to save return; // Gather lists of settings to preserve QStringList urls; for( int i = 0; i < m_tabs.size(); ++i ) { urls.append( m_tabs[i].part->url().url() ); } group.writePathEntry( SESSION_URL_KEY, urls ); group.writeEntry( SESSION_TAB_KEY, m_tabWidget->currentIndex() ); } void Shell::readProperties(const KConfigGroup &group) { // Reopen documents based on saved settings QStringList urls = group.readPathEntry( SESSION_URL_KEY, QStringList() ); while( !urls.isEmpty() ) { openUrl( QUrl(urls.takeFirst()) ); } int desiredTab = group.readEntry( SESSION_TAB_KEY, 0 ); if( desiredTab < m_tabs.size() ) { setActiveTab( desiredTab ); } } QStringList Shell::fileFormats() const { QStringList supportedPatterns; QString constraint( QStringLiteral("(Library == 'okularpart')") ); QLatin1String basePartService( "KParts/ReadOnlyPart" ); KService::List offers = KServiceTypeTrader::self()->query( basePartService, constraint ); KService::List::ConstIterator it = offers.constBegin(), itEnd = offers.constEnd(); for ( ; it != itEnd; ++it ) { KService::Ptr service = *it; QStringList mimeTypes = service->mimeTypes(); supportedPatterns += mimeTypes; } return supportedPatterns; } void Shell::fileOpen() { // this slot is called whenever the File->Open menu is selected, // the Open shortcut is pressed (usually CTRL+O) or the Open toolbar // button is clicked const int activeTab = m_tabWidget->currentIndex(); if ( !m_fileformatsscanned ) { const KDocumentViewer* const doc = qobject_cast(m_tabs[activeTab].part); if ( doc ) m_fileformats = doc->supportedMimeTypes(); if ( m_fileformats.isEmpty() ) m_fileformats = fileFormats(); m_fileformatsscanned = true; } QUrl startDir; const KParts::ReadWritePart* const curPart = m_tabs[activeTab].part; if ( curPart->url().isLocalFile() ) startDir = KIO::upUrl(curPart->url()); QPointer dlg( new QFileDialog( this )); dlg->setDirectoryUrl( startDir ); dlg->setAcceptMode( QFileDialog::AcceptOpen ); dlg->setOption( QFileDialog::HideNameFilterDetails, true ); QMimeDatabase mimeDatabase; QSet globPatterns; QMap namedGlobs; foreach ( const QString &mimeName, m_fileformats ) { QMimeType mimeType = mimeDatabase.mimeTypeForName( mimeName ); const QStringList globs( mimeType.globPatterns() ); if ( globs.isEmpty() ) { continue; } globPatterns.unite( globs.toSet() ) ; namedGlobs[ mimeType.comment() ].append( globs ); } QStringList namePatterns; foreach( const QString &name, namedGlobs.keys()) { namePatterns.append( name + QStringLiteral(" (") + namedGlobs[name].join( QLatin1Char(' ') ) + QStringLiteral(")") ); } namePatterns.prepend( i18n("All files (*)") ); namePatterns.prepend( i18n("All supported files (%1)", globPatterns.toList().join( QLatin1Char(' ') ) ) ); dlg->setNameFilters( namePatterns ); dlg->setWindowTitle( i18n("Open Document") ); if ( dlg->exec() && dlg ) { foreach(const QUrl& url, dlg->selectedUrls()) { openUrl( url ); } } if ( dlg ) { delete dlg.data(); } } void Shell::tryRaise() { KWindowSystem::forceActiveWindow( window()->effectiveWinId() ); } // only called when starting the program void Shell::setFullScreen( bool useFullScreen ) { if( useFullScreen ) setWindowState( windowState() | Qt::WindowFullScreen ); // set else setWindowState( windowState() & ~Qt::WindowFullScreen ); // reset } void Shell::setCaption( const QString &caption ) { bool modified = false; const int activeTab = m_tabWidget->currentIndex(); if ( activeTab >= 0 && activeTab < m_tabs.size() ) { KParts::ReadWritePart* const activePart = m_tabs[activeTab].part; - if ( activePart->isModified() ) + QString tabCaption = activePart->url().fileName(); + if ( activePart->isModified() ) { modified = true; + if ( !tabCaption.isEmpty() ) { + tabCaption.append( QStringLiteral( " *" ) ); + } + } + + m_tabWidget->setTabText( activeTab, tabCaption ); } setCaption( caption, modified ); } void Shell::showEvent(QShowEvent *e) { if (!menuBar()->isNativeMenuBar() && m_showMenuBarAction) m_showMenuBarAction->setChecked( menuBar()->isVisible() ); KParts::MainWindow::showEvent(e); } void Shell::slotUpdateFullScreen() { if(m_fullScreenAction->isChecked()) { m_menuBarWasShown = !menuBar()->isHidden(); menuBar()->hide(); m_toolBarWasShown = !toolBar()->isHidden(); toolBar()->hide(); KToggleFullScreenAction::setFullScreen(this, true); } else { if (m_menuBarWasShown) { menuBar()->show(); } if (m_toolBarWasShown) { toolBar()->show(); } KToggleFullScreenAction::setFullScreen(this, false); } } void Shell::slotShowMenubar() { if ( menuBar()->isHidden() ) menuBar()->show(); else menuBar()->hide(); } QSize Shell::sizeHint() const { return QApplication::desktop()->availableGeometry( this ).size() * 0.75; } bool Shell::queryClose() { if (m_tabs.count() > 1) { const QString dontAskAgainName = "ShowTabWarning"; KMessageBox::ButtonCode dummy; if (shouldBeShownYesNo(dontAskAgainName, dummy)) { QDialog *dialog = new QDialog(this); dialog->setWindowTitle(i18n("Confirm Close")); QDialogButtonBox *buttonBox = new QDialogButtonBox(dialog); buttonBox->setStandardButtons(QDialogButtonBox::Yes | QDialogButtonBox::No); KGuiItem::assign(buttonBox->button(QDialogButtonBox::Yes), KGuiItem(i18n("Close Tabs"), "tab-close")); KGuiItem::assign(buttonBox->button(QDialogButtonBox::No), KStandardGuiItem::cancel()); bool checkboxResult = true; const int result = KMessageBox::createKMessageBox(dialog, buttonBox, QMessageBox::Question, i18n("You are about to close %1 tabs. Are you sure you want to continue?", m_tabs.count()), QStringList(), i18n("Warn me when I attempt to close multiple tabs"), &checkboxResult, KMessageBox::Notify); if (!checkboxResult) { saveDontShowAgainYesNo(dontAskAgainName, dummy); } if (result != QDialogButtonBox::Yes) { return false; } } } for( int i = 0; i < m_tabs.size(); ++i ) { KParts::ReadWritePart* const part = m_tabs[i].part; // To resolve confusion about multiple modified docs, switch to relevant tab if( part->isModified() ) setActiveTab( i ); if( !part->queryClose() ) return false; } return true; } void Shell::setActiveTab( int tab ) { m_tabWidget->setCurrentIndex( tab ); createGUI( m_tabs[tab].part ); m_printAction->setEnabled( m_tabs[tab].printEnabled ); m_closeAction->setEnabled( m_tabs[tab].closeEnabled ); } void Shell::closeTab( int tab ) { KParts::ReadWritePart* const part = m_tabs[tab].part; if( part->closeUrl() && m_tabs.count() > 1 ) { if( part->factory() ) part->factory()->removeClient( part ); part->disconnect(); part->deleteLater(); m_tabs.removeAt( tab ); m_tabWidget->removeTab( tab ); if( m_tabWidget->count() == 1 ) { m_tabWidget->tabBar()->hide(); m_nextTabAction->setEnabled( false ); m_prevTabAction->setEnabled( false ); } } } void Shell::openNewTab( const QUrl& url, const QString &serializedOptions ) { // Tabs are hidden when there's only one, so show it if( m_tabs.size() == 1 ) { m_tabWidget->tabBar()->show(); m_nextTabAction->setEnabled( true ); m_prevTabAction->setEnabled( true ); } const int newIndex = m_tabs.size(); // Make new part m_tabs.append( m_partFactory->create(this) ); connectPart( m_tabs[newIndex].part ); // Update GUI KParts::ReadWritePart* const part = m_tabs[newIndex].part; m_tabWidget->addTab( part->widget(), url.fileName() ); applyOptionsToPart(part, serializedOptions); int previousActiveTab = m_tabWidget->currentIndex(); setActiveTab( m_tabs.size() - 1 ); if( part->openUrl(url) ) m_recent->addUrl( url ); else setActiveTab( previousActiveTab ); } void Shell::applyOptionsToPart( QObject* part, const QString &serializedOptions ) { KDocumentViewer* const doc = qobject_cast(part); if ( ShellUtils::startInPresentation(serializedOptions) ) doc->startPresentation(); if ( ShellUtils::showPrintDialog(serializedOptions) ) QMetaObject::invokeMethod( part, "enableStartWithPrint" ); } void Shell::connectPart( QObject* part ) { connect( this, SIGNAL(moveSplitter(int)), part, SLOT(moveSplitter(int)) ); connect( part, SIGNAL(enablePrintAction(bool)), this, SLOT(setPrintEnabled(bool))); connect( part, SIGNAL(enableCloseAction(bool)), this, SLOT(setCloseEnabled(bool))); connect( part, SIGNAL(mimeTypeChanged(QMimeType)), this, SLOT(setTabIcon(QMimeType))); connect( part, SIGNAL(urlsDropped(QList)), this, SLOT(handleDroppedUrls(QList)) ); connect( part, SIGNAL(fitWindowToPage(QSize,QSize)), this, SLOT(slotFitWindowToPage(QSize,QSize)) ); } void Shell::print() { QMetaObject::invokeMethod( m_tabs[m_tabWidget->currentIndex()].part, "slotPrint" ); } void Shell::setPrintEnabled( bool enabled ) { int i = findTabIndex( sender() ); if( i != -1 ) { m_tabs[i].printEnabled = enabled; if( i == m_tabWidget->currentIndex() ) m_printAction->setEnabled( enabled ); } } void Shell::setCloseEnabled( bool enabled ) { int i = findTabIndex( sender() ); if( i != -1 ) { m_tabs[i].closeEnabled = enabled; if( i == m_tabWidget->currentIndex() ) m_closeAction->setEnabled( enabled ); } } void Shell::activateNextTab() { if( m_tabs.size() < 2 ) return; const int activeTab = m_tabWidget->currentIndex(); const int nextTab = (activeTab == m_tabs.size()-1) ? 0 : activeTab+1; setActiveTab( nextTab ); } void Shell::activatePrevTab() { if( m_tabs.size() < 2 ) return; const int activeTab = m_tabWidget->currentIndex(); const int prevTab = (activeTab == 0) ? m_tabs.size()-1 : activeTab-1; setActiveTab( prevTab ); } void Shell::setTabIcon( const QMimeType& mimeType ) { int i = findTabIndex( sender() ); if( i != -1 ) { m_tabWidget->setTabIcon( i, QIcon::fromTheme(mimeType.iconName()) ); } } int Shell::findTabIndex( QObject* sender ) { for( int i = 0; i < m_tabs.size(); ++i ) { if( m_tabs[i].part == sender ) { return i; } } return -1; } void Shell::handleDroppedUrls( const QList& urls ) { foreach( const QUrl& url, urls ) { openUrl( url ); } } void Shell::moveTabData( int from, int to ) { m_tabs.move( from, to ); } void Shell::slotFitWindowToPage(const QSize& pageViewSize, const QSize& pageSize ) { const int xOffset = pageViewSize.width() - pageSize.width(); const int yOffset = pageViewSize.height() - pageSize.height(); showNormal(); resize( width() - xOffset, height() - yOffset); moveSplitter(pageSize.width()); } /* kate: replace-tabs on; indent-width 4; */