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goldendict-ng/src/ui/articleview.cc

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/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#include "articleview.hh"
#include "dict/programs.hh"
#include "folding.hh"
#include "gddebug.hh"
#include "gestures.hh"
#include "globalbroadcaster.hh"
#include "speechclient.hh"
#include "utils.hh"
#include "webmultimediadownload.hh"
#include "wildcard.hh"
#include "wstring_qt.hh"
#include <QBuffer>
#include <QClipboard>
#include <QCryptographicHash>
#include <QDebug>
#include <QDesktopServices>
#include <QFileDialog>
#include <QKeyEvent>
#include <QMenu>
#include <QMessageBox>
#include <QRegularExpression>
#include <QVariant>
#include <QWebChannel>
#include <QWebEngineHistory>
#include <QWebEngineScript>
#include <QWebEngineScriptCollection>
#include <QWebEngineSettings>
#include <map>
#include <QApplication>
#include <QRandomGenerator>
#if ( QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 ) && QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
#include <QWebEngineContextMenuData>
#endif
#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
#include <QtCore5Compat/QRegExp>
#include <QWebEngineContextMenuRequest>
#include <QWebEngineFindTextResult>
#include <utility>
#endif
#ifdef Q_OS_WIN32
#include <windows.h>
#include <QPainter>
#endif
using std::map;
using std::list;
namespace {
char const * const scrollToPrefix = "gdfrom-";
bool isScrollTo( QString const & id )
{
return id.startsWith( scrollToPrefix );
}
QString dictionaryIdFromScrollTo( QString const & scrollTo )
{
Q_ASSERT( isScrollTo( scrollTo ) );
constexpr int scrollToPrefixLength = 7;
return scrollTo.mid( scrollToPrefixLength );
}
QString searchStatusMessageNoMatches()
{
return ArticleView::tr( "Phrase not found" );
}
QString searchStatusMessage( int activeMatch, int matchCount )
{
Q_ASSERT( matchCount > 0 );
Q_ASSERT( activeMatch > 0 );
Q_ASSERT( activeMatch <= matchCount );
return ArticleView::tr( "%1 of %2 matches" ).arg( activeMatch ).arg( matchCount );
}
} // unnamed namespace
QString ArticleView::scrollToFromDictionaryId( QString const & dictionaryId )
{
Q_ASSERT( !isScrollTo( dictionaryId ) );
return scrollToPrefix + dictionaryId;
}
ArticleView::ArticleView( QWidget * parent,
ArticleNetworkAccessManager & nm,
AudioPlayerPtr const & audioPlayer_,
std::vector< sptr< Dictionary::Class > > const & allDictionaries_,
Instances::Groups const & groups_,
bool popupView_,
Config::Class const & cfg_,
QLineEdit const * translateLine_,
QAction * dictionaryBarToggled_,
unsigned int currentGroupId_ ):
QWidget( parent ),
articleNetMgr( nm ),
audioPlayer( audioPlayer_ ),
allDictionaries( allDictionaries_ ),
groups( groups_ ),
popupView( popupView_ ),
cfg( cfg_ ),
pasteAction( this ),
articleUpAction( this ),
articleDownAction( this ),
goBackAction( this ),
goForwardAction( this ),
selectCurrentArticleAction( this ),
copyAsTextAction( this ),
inspectAction( this ),
dictionaryBarToggled( dictionaryBarToggled_ ),
currentGroupId( currentGroupId_ ),
translateLine( translateLine_ )
{
// setup GUI
webview = new ArticleWebView( this );
ftsSearchPanel = new FtsSearchPanel( this );
searchPanel = new SearchPanel( this );
// Layout
auto * mainLayout = new QVBoxLayout( this );
mainLayout->addWidget( webview );
mainLayout->addWidget( ftsSearchPanel );
mainLayout->addWidget( searchPanel );
webview->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
ftsSearchPanel->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum );
searchPanel->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Minimum );
mainLayout->setContentsMargins( 0, 0, 0, 0 );
// end UI setup
connect( searchPanel->previous, &QPushButton::clicked, this, &ArticleView::on_searchPrevious_clicked );
connect( searchPanel->next, &QPushButton::clicked, this, &ArticleView::on_searchNext_clicked );
connect( searchPanel->close, &QPushButton::clicked, this, &ArticleView::on_searchCloseButton_clicked );
connect( searchPanel->caseSensitive, &QPushButton::clicked, this, &ArticleView::on_searchCaseSensitive_clicked );
connect( searchPanel->lineEdit, &QLineEdit::textEdited, this, &ArticleView::on_searchText_textEdited );
connect( searchPanel->lineEdit, &QLineEdit::returnPressed, this, &ArticleView::on_searchText_returnPressed );
connect( ftsSearchPanel->next, &QPushButton::clicked, this, &ArticleView::on_ftsSearchNext_clicked );
connect( ftsSearchPanel->previous, &QPushButton::clicked, this, &ArticleView::on_ftsSearchPrevious_clicked );
//
webview->setUp( const_cast< Config::Class * >( &cfg ) );
syncBackgroundColorWithCfgDarkReader();
goBackAction.setShortcut( QKeySequence( "Alt+Left" ) );
webview->addAction( &goBackAction );
connect( &goBackAction, &QAction::triggered, this, &ArticleView::back );
goForwardAction.setShortcut( QKeySequence( "Alt+Right" ) );
webview->addAction( &goForwardAction );
connect( &goForwardAction, &QAction::triggered, this, &ArticleView::forward );
webview->pageAction( QWebEnginePage::Copy )->setShortcut( QKeySequence::Copy );
webview->addAction( webview->pageAction( QWebEnginePage::Copy ) );
QAction * selectAll = webview->pageAction( QWebEnginePage::SelectAll );
selectAll->setShortcut( QKeySequence::SelectAll );
selectAll->setShortcutContext( Qt::WidgetWithChildrenShortcut );
webview->addAction( selectAll );
webview->setContextMenuPolicy( Qt::CustomContextMenu );
connect( webview, &QWebEngineView::loadFinished, this, &ArticleView::loadFinished );
connect( webview, &ArticleWebView::linkClicked, this, &ArticleView::linkClicked );
connect( webview->page(), &QWebEnginePage::titleChanged, this, &ArticleView::handleTitleChanged );
connect( webview, &QWidget::customContextMenuRequested, this, &ArticleView::contextMenuRequested );
connect( webview->page(), &QWebEnginePage::linkHovered, this, &ArticleView::linkHovered );
connect( webview, &ArticleWebView::doubleClicked, this, &ArticleView::doubleClicked );
pasteAction.setShortcut( QKeySequence::Paste );
webview->addAction( &pasteAction );
connect( &pasteAction, &QAction::triggered, this, &ArticleView::pasteTriggered );
articleUpAction.setShortcut( QKeySequence( "Alt+Up" ) );
webview->addAction( &articleUpAction );
connect( &articleUpAction, &QAction::triggered, this, &ArticleView::moveOneArticleUp );
articleDownAction.setShortcut( QKeySequence( "Alt+Down" ) );
webview->addAction( &articleDownAction );
connect( &articleDownAction, &QAction::triggered, this, &ArticleView::moveOneArticleDown );
selectCurrentArticleAction.setShortcut( QKeySequence( "Ctrl+Shift+A" ) );
selectCurrentArticleAction.setText( tr( "Select Current Article" ) );
webview->addAction( &selectCurrentArticleAction );
connect( &selectCurrentArticleAction, &QAction::triggered, this, &ArticleView::selectCurrentArticle );
copyAsTextAction.setShortcut( QKeySequence( "Ctrl+Shift+C" ) );
copyAsTextAction.setText( tr( "Copy as text" ) );
webview->addAction( &copyAsTextAction );
connect( &copyAsTextAction, &QAction::triggered, this, &ArticleView::copyAsText );
inspectAction.setShortcut( QKeySequence( Qt::Key_F12 ) );
inspectAction.setText( tr( "Inspect" ) );
webview->addAction( &inspectAction );
connect( &inspectAction, &QAction::triggered, this, &ArticleView::inspectElement );
webview->installEventFilter( this );
searchPanel->installEventFilter( this );
ftsSearchPanel->installEventFilter( this );
QWebEngineSettings * settings = webview->settings();
settings->setUnknownUrlSchemePolicy( QWebEngineSettings::UnknownUrlSchemePolicy::DisallowUnknownUrlSchemes );
#if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
settings->defaultSettings()->setAttribute( QWebEngineSettings::LocalContentCanAccessRemoteUrls, true );
settings->defaultSettings()->setAttribute( QWebEngineSettings::LocalContentCanAccessFileUrls, true );
settings->defaultSettings()->setAttribute( QWebEngineSettings::ErrorPageEnabled, false );
settings->defaultSettings()->setAttribute( QWebEngineSettings::PluginsEnabled, true );
settings->defaultSettings()->setAttribute( QWebEngineSettings::PlaybackRequiresUserGesture, false );
settings->defaultSettings()->setAttribute( QWebEngineSettings::JavascriptCanAccessClipboard, true );
settings->defaultSettings()->setAttribute( QWebEngineSettings::PrintElementBackgrounds, false );
#else
settings->setAttribute( QWebEngineSettings::LocalContentCanAccessRemoteUrls, true );
settings->setAttribute( QWebEngineSettings::LocalContentCanAccessFileUrls, true );
settings->setAttribute( QWebEngineSettings::ErrorPageEnabled, false );
settings->setAttribute( QWebEngineSettings::PluginsEnabled, true );
settings->setAttribute( QWebEngineSettings::PlaybackRequiresUserGesture, false );
settings->setAttribute( QWebEngineSettings::JavascriptCanAccessClipboard, true );
settings->setAttribute( QWebEngineSettings::PrintElementBackgrounds, false );
#endif
auto html = articleNetMgr.getHtml( ResourceType::UNTITLE );
webview->setHtml( QString::fromStdString( html ) );
expandOptionalParts = cfg.preferences.alwaysExpandOptionalParts;
#ifndef Q_OS_MACOS
webview->grabGesture( Gestures::GDPinchGestureType );
webview->grabGesture( Gestures::GDSwipeGestureType );
#endif
connect( GlobalBroadcaster::instance(), &GlobalBroadcaster::dictionaryChanges, this, &ArticleView::setActiveDictIds );
connect( GlobalBroadcaster::instance(), &GlobalBroadcaster::dictionaryClear, this, &ArticleView::dictionaryClear );
channel = new QWebChannel( webview->page() );
agent = new ArticleViewAgent( this );
attachWebChannelToHtml();
ankiConnector = new AnkiConnector( this, cfg );
connect( ankiConnector, &AnkiConnector::errorText, this, [ this ]( QString const & errorText ) {
emit statusBarMessage( errorText );
} );
// Set up an Anki action if Anki integration is enabled in settings.
if ( cfg.preferences.ankiConnectServer.enabled ) {
sendToAnkiAction.setShortcut( QKeySequence( "Ctrl+Shift+N" ) );
webview->addAction( &sendToAnkiAction );
connect( &sendToAnkiAction, &QAction::triggered, this, &ArticleView::handleAnkiAction );
}
}
// explicitly report the minimum size, to avoid
// sidebar widgets' improper resize during restore
QSize ArticleView::minimumSizeHint() const
{
return searchPanel->minimumSizeHint();
}
void ArticleView::setCurrentGroupId( unsigned currentGrgId )
{
currentGroupId = currentGrgId;
}
unsigned ArticleView::getCurrentGroupId()
{
return currentGroupId;
}
ArticleView::~ArticleView()
{
cleanupTemp();
audioPlayer->stop();
//channel->deregisterObject(this);
#ifndef Q_OS_MACOS
webview->ungrabGesture( Gestures::GDPinchGestureType );
webview->ungrabGesture( Gestures::GDSwipeGestureType );
#endif
}
void ArticleView::showDefinition( QString const & word,
unsigned group,
QString const & scrollTo,
Contexts const & contexts_ )
{
GlobalBroadcaster::instance()->pronounce_engine.reset();
currentWord = word.trimmed();
if ( currentWord.isEmpty() )
return;
historyMode = false;
currentActiveDictIds.clear();
// first, let's stop the player
audioPlayer->stop();
QUrl req;
Contexts contexts( contexts_ );
req.setScheme( "gdlookup" );
req.setHost( "localhost" );
Utils::Url::addQueryItem( req, "word", word );
Utils::Url::addQueryItem( req, "group", QString::number( group ) );
if ( cfg.preferences.ignoreDiacritics )
Utils::Url::addQueryItem( req, "ignore_diacritics", "1" );
if ( scrollTo.size() )
Utils::Url::addQueryItem( req, "scrollto", scrollTo );
if ( delayedHighlightText.size() ) {
Utils::Url::addQueryItem( req, "regexp", delayedHighlightText );
delayedHighlightText.clear();
}
if ( Contexts::Iterator pos = contexts.find( "gdanchor" ); pos != contexts.end() ) {
Utils::Url::addQueryItem( req, "gdanchor", contexts[ "gdanchor" ] );
contexts.erase( pos );
}
if ( contexts.size() ) {
QBuffer buf;
buf.open( QIODevice::WriteOnly );
QDataStream stream( &buf );
stream << contexts;
buf.close();
Utils::Url::addQueryItem( req, "contexts", QString::fromLatin1( buf.buffer().toBase64() ) );
}
QString mutedDicts = getMutedForGroup( group );
if ( mutedDicts.size() )
Utils::Url::addQueryItem( req, "muted", mutedDicts );
// Any search opened is probably irrelevant now
closeSearch();
//QApplication::setOverrideCursor( Qt::WaitCursor );
webview->setCursor( Qt::WaitCursor );
load( req );
// Update headwords history
emit sendWordToHistory( word );
}
void ArticleView::showDefinition( QString const & word,
QStringList const & dictIDs,
QRegExp const & searchRegExp,
unsigned group,
bool ignoreDiacritics )
{
if ( dictIDs.isEmpty() )
return;
currentWord = word.trimmed();
if ( currentWord.isEmpty() )
return;
historyMode = false;
//clear founded dicts.
currentActiveDictIds.clear();
// first, let's stop the player
audioPlayer->stop();
QUrl req;
req.setScheme( "gdlookup" );
req.setHost( "localhost" );
Utils::Url::addQueryItem( req, "word", word );
Utils::Url::addQueryItem( req, "dictionaries", dictIDs.join( "," ) );
Utils::Url::addQueryItem( req, "regexp", searchRegExp.pattern() );
if ( searchRegExp.caseSensitivity() == Qt::CaseSensitive )
Utils::Url::addQueryItem( req, "matchcase", "1" );
if ( searchRegExp.patternSyntax() == QRegExp::WildcardUnix )
Utils::Url::addQueryItem( req, "wildcards", "1" );
Utils::Url::addQueryItem( req, "group", QString::number( group ) );
if ( ignoreDiacritics )
Utils::Url::addQueryItem( req, "ignore_diacritics", "1" );
// Any search opened is probably irrelevant now
closeSearch();
webview->setCursor( Qt::WaitCursor );
load( req );
// Update headwords history
emit sendWordToHistory( word );
}
void ArticleView::sendToAnki( QString const & word, QString const & dict_definition, QString const & sentence )
{
ankiConnector->sendToAnki( word, dict_definition, sentence );
}
void ArticleView::showAnticipation()
{
webview->setHtml( "" );
webview->setCursor( Qt::WaitCursor );
}
void ArticleView::inspectElement()
{
emit inspectSignal( webview->page() );
}
void ArticleView::loadFinished( bool result )
{
setZoomFactor( cfg.preferences.zoomFactor );
QUrl url = webview->url();
qDebug() << "article view loaded url:" << url.url().left( 200 ) << result;
if ( url.url() == "about:blank" ) {
return;
}
if ( !result ) {
qWarning() << "article loaded unsuccessful";
return;
}
if ( cfg.preferences.autoScrollToTargetArticle ) {
QString const scrollTo = Utils::Url::queryItemValue( url, "scrollto" );
if ( isScrollTo( scrollTo ) ) {
setCurrentArticle( scrollTo, true );
}
else {
setActiveArticleId( "" );
}
}
else {
//clear current active dictionary id;
setActiveArticleId( "" );
}
webview->unsetCursor();
// Expand collapsed article if only one loaded
webview->page()->runJavaScript( QString( "gdCheckArticlesNumber();" ) );
if ( !Utils::Url::queryItemValue( url, "gdanchor" ).isEmpty() ) {
const QString anchor = QUrl::fromPercentEncoding( Utils::Url::encodedQueryItemValue( url, "gdanchor" ) );
// Find GD anchor on page
url.clear();
url.setFragment( anchor );
webview->page()->runJavaScript(
QString( "window.location.hash = \"%1\"" ).arg( QString::fromUtf8( url.toEncoded() ) ) );
}
//the click audio url such as gdau://xxxx ,webview also emit a pageLoaded signal but with the result is false.need future investigation.
//the audio link click ,no need to emit pageLoaded signal
if ( result ) {
emit pageLoaded( this );
}
if ( Utils::Url::hasQueryItem( webview->url(), "regexp" ) ) {
highlightFTSResults();
}
}
void ArticleView::handleTitleChanged( QString const & title )
{
if ( !title.isEmpty() ) // Qt 5.x WebKit raise signal titleChanges(QString()) while navigation within page
emit titleChanged( this, title );
}
unsigned ArticleView::getGroup( QUrl const & url )
{
if ( url.scheme() == "gdlookup" && Utils::Url::hasQueryItem( url, "group" ) )
return Utils::Url::queryItemValue( url, "group" ).toUInt();
return 0;
}
QStringList ArticleView::getArticlesList()
{
return currentActiveDictIds;
}
QString ArticleView::getActiveArticleId()
{
return activeDictId;
}
void ArticleView::setActiveArticleId( QString const & dictId )
{
this->activeDictId = dictId;
}
QString ArticleView::getCurrentArticle()
{
const QString dictId = getActiveArticleId();
return scrollToFromDictionaryId( dictId );
}
void ArticleView::jumpToDictionary( QString const & id, bool force )
{
// jump only if neceessary, or when forced
if ( const QString targetArticle = scrollToFromDictionaryId( id ); force && targetArticle != getCurrentArticle() ) {
setCurrentArticle( targetArticle, true );
}
}
bool ArticleView::setCurrentArticle( QString const & id, bool moveToIt )
{
if ( !isScrollTo( id ) )
return false; // Incorrect id
if ( !webview->isVisible() )
return false; // No action on background page, scrollIntoView there don't work
if ( moveToIt ) {
QString dictId = id.mid( 7 );
if ( dictId.isEmpty() )
return false;
QString script =
QString(
"var elem=document.getElementById('%1'); "
"if(elem!=undefined){elem.scrollIntoView(true);} if(typeof gdMakeArticleActive !='undefined') gdMakeArticleActive('%2',true);" )
.arg( id, dictId );
onJsActiveArticleChanged( id );
webview->page()->runJavaScript( script );
setActiveArticleId( dictId );
}
return true;
}
void ArticleView::selectCurrentArticle()
{
webview->page()->runJavaScript(
QString(
"gdSelectArticle( '%1' );var elem=document.getElementById('%2'); if(elem!=undefined){elem.scrollIntoView(true);}" )
.arg( getActiveArticleId(), getCurrentArticle() ) );
}
void ArticleView::isFramedArticle( QString const & ca, const std::function< void( bool ) > & callback )
{
if ( ca.isEmpty() )
callback( false );
webview->page()->runJavaScript( QString( "!!document.getElementById('gdexpandframe-%1');" ).arg( ca.mid( 7 ) ),
[ callback ]( const QVariant & res ) {
callback( res.toBool() );
} );
}
void ArticleView::tryMangleWebsiteClickedUrl( QUrl & url, Contexts & contexts )
{
// Don't try mangling audio urls, even if they are from the framed websites
if ( !url.isValid() )
return;
if ( ( url.scheme() == "http" || url.scheme() == "https" ) && !Utils::Url::isWebAudioUrl( url ) ) {
// Maybe a link inside a website was clicked?
QString ca = getCurrentArticle();
isFramedArticle( ca, []( bool framed ) {} );
}
}
void ArticleView::load( QUrl const & url )
{
webview->load( url );
}
void ArticleView::cleanupTemp()
{
auto it = desktopOpenedTempFiles.begin();
while ( it != desktopOpenedTempFiles.end() ) {
if ( QFile::remove( *it ) )
it = desktopOpenedTempFiles.erase( it );
else
++it;
}
}
bool ArticleView::handleF3( QObject * /*obj*/, QEvent * ev )
{
if ( ev->type() == QEvent::ShortcutOverride || ev->type() == QEvent::KeyPress ) {
QKeyEvent * ke = static_cast< QKeyEvent * >( ev );
if ( ke->key() == Qt::Key_F3 && isSearchOpened() ) {
if ( !ke->modifiers() ) {
if ( ev->type() == QEvent::KeyPress )
on_searchNext_clicked();
ev->accept();
return true;
}
if ( ke->modifiers() == Qt::ShiftModifier ) {
if ( ev->type() == QEvent::KeyPress )
on_searchPrevious_clicked();
ev->accept();
return true;
}
}
if ( ke->key() == Qt::Key_F3 && ftsSearchPanel->isVisible() ) {
if ( !ke->modifiers() ) {
if ( ev->type() == QEvent::KeyPress )
on_ftsSearchNext_clicked();
ev->accept();
return true;
}
if ( ke->modifiers() == Qt::ShiftModifier ) {
if ( ev->type() == QEvent::KeyPress )
on_ftsSearchPrevious_clicked();
ev->accept();
return true;
}
}
}
return false;
}
bool ArticleView::eventFilter( QObject * obj, QEvent * ev )
{
#ifdef Q_OS_MAC
if ( ev->type() == QEvent::NativeGesture ) {
qDebug() << "it's a Native Gesture!";
// handle Qt::ZoomNativeGesture Qt::SmartZoomNativeGesture here
// ignore swipe left/right.
// QWebEngine can handle Qt::SmartZoomNativeGesture.
}
#else
if ( ev->type() == QEvent::Gesture ) {
Gestures::GestureResult result;
QPoint pt;
bool handled = Gestures::handleGestureEvent( obj, ev, result, pt );
if ( handled ) {
if ( result == Gestures::ZOOM_IN )
emit zoomIn();
else if ( result == Gestures::ZOOM_OUT )
emit zoomOut();
else if ( result == Gestures::SWIPE_LEFT )
back();
else if ( result == Gestures::SWIPE_RIGHT )
forward();
else if ( result == Gestures::SWIPE_UP || result == Gestures::SWIPE_DOWN ) {
int delta = result == Gestures::SWIPE_UP ? -120 : 120;
QWidget * widget = static_cast< QWidget * >( obj );
QPoint angleDelta( 0, delta );
QPoint pixelDetal;
QWidget * child = widget->childAt( widget->mapFromGlobal( pt ) );
if ( child ) {
QWheelEvent whev( child->mapFromGlobal( pt ),
pt,
pixelDetal,
angleDelta,
Qt::NoButton,
Qt::NoModifier,
Qt::NoScrollPhase,
false );
qApp->sendEvent( child, &whev );
}
else {
QWheelEvent whev( widget->mapFromGlobal( pt ),
pt,
pixelDetal,
angleDelta,
Qt::NoButton,
Qt::NoModifier,
Qt::NoScrollPhase,
false );
qApp->sendEvent( widget, &whev );
}
}
}
return handled;
}
if ( ev->type() == QEvent::MouseMove ) {
if ( Gestures::isFewTouchPointsPresented() ) {
ev->accept();
return true;
}
}
#endif
if ( handleF3( obj, ev ) ) {
return true;
}
if ( obj == webview ) {
if ( ev->type() == QEvent::KeyPress ) {
auto keyEvent = static_cast< QKeyEvent * >( ev );
if ( keyEvent->modifiers() & ( Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier ) )
return false; // A non-typing modifier is pressed
if ( Utils::ignoreKeyEvent( keyEvent ) || keyEvent->key() == Qt::Key_Return || keyEvent->key() == Qt::Key_Enter )
return false; // Those key have other uses than to start typing
QString text = keyEvent->text();
if ( text.size() ) {
emit typingEvent( text );
return true;
}
}
else if ( ev->type() == QEvent::Wheel ) {
QWheelEvent * pe = static_cast< QWheelEvent * >( ev );
if ( pe->modifiers().testFlag( Qt::ControlModifier ) ) {
if ( pe->angleDelta().y() > 0 ) {
zoomIn();
}
else {
zoomOut();
}
}
}
}
else
return QWidget::eventFilter( obj, ev );
return false;
}
QString ArticleView::getMutedForGroup( unsigned group )
{
if ( dictionaryBarToggled && dictionaryBarToggled->isChecked() ) {
// Dictionary bar is active -- mute the muted dictionaries
Instances::Group const * groupInstance = groups.findGroup( group );
// Find muted dictionaries for current group
Config::Group const * grp = cfg.getGroup( group );
Config::MutedDictionaries const * mutedDictionaries;
if ( group == Instances::Group::AllGroupId )
mutedDictionaries = popupView ? &cfg.popupMutedDictionaries : &cfg.mutedDictionaries;
else
mutedDictionaries = grp ? ( popupView ? &grp->popupMutedDictionaries : &grp->mutedDictionaries ) : nullptr;
if ( !mutedDictionaries )
return {};
QStringList mutedDicts;
if ( groupInstance ) {
for ( const auto & dictionarie : groupInstance->dictionaries ) {
QString id = QString::fromStdString( dictionarie->getId() );
if ( mutedDictionaries->contains( id ) )
mutedDicts.append( id );
}
}
if ( !mutedDicts.empty() )
return mutedDicts.join( "," );
}
return {};
}
QStringList ArticleView::getMutedDictionaries( unsigned group )
{
if ( dictionaryBarToggled && dictionaryBarToggled->isChecked() ) {
// Dictionary bar is active -- mute the muted dictionaries
Instances::Group const * groupInstance = groups.findGroup( group );
// Find muted dictionaries for current group
Config::Group const * grp = cfg.getGroup( group );
Config::MutedDictionaries const * mutedDictionaries;
if ( group == Instances::Group::AllGroupId )
mutedDictionaries = popupView ? &cfg.popupMutedDictionaries : &cfg.mutedDictionaries;
else
mutedDictionaries = grp ? ( popupView ? &grp->popupMutedDictionaries : &grp->mutedDictionaries ) : nullptr;
if ( !mutedDictionaries )
return {};
QStringList mutedDicts;
if ( groupInstance ) {
for ( const auto & dictionarie : groupInstance->dictionaries ) {
QString id = QString::fromStdString( dictionarie->getId() );
if ( mutedDictionaries->contains( id ) )
mutedDicts.append( id );
}
}
return mutedDicts;
}
return {};
}
void ArticleView::linkHovered( const QString & link )
{
QString msg;
QUrl url( link );
if ( url.scheme() == "bres" ) {
msg = tr( "Resource" );
}
else if ( url.scheme() == "gdau" || Utils::Url::isAudioUrl( url ) ) {
msg = tr( "Audio" );
}
else if ( url.scheme() == "gdtts" ) {
msg = tr( "TTS Voice" );
}
else if ( url.scheme() == "gdvideo" ) {
if ( url.path().isEmpty() ) {
msg = tr( "Video" );
}
else {
QString path = url.path();
if ( path.startsWith( '/' ) ) {
path = path.mid( 1 );
}
msg = tr( "Video: %1" ).arg( path );
}
}
else if ( url.scheme() == "gdlookup" || url.scheme().compare( "bword" ) == 0 ) {
QString def = url.path();
if ( def.startsWith( "/" ) ) {
def = def.mid( 1 );
}
if ( Utils::Url::hasQueryItem( url, "dict" ) ) {
// Link to other dictionary
QString dictName( Utils::Url::queryItemValue( url, "dict" ) );
if ( !dictName.isEmpty() )
msg = tr( "Definition from dictionary \"%1\": %2" ).arg( dictName, def );
}
if ( msg.isEmpty() ) {
if ( def.isEmpty() && url.hasFragment() )
msg = '#' + url.fragment(); // this must be a citation, footnote or backlink
else
msg = tr( "Definition: %1" ).arg( def );
}
}
else {
msg = link;
}
emit statusBarMessage( msg );
}
void ArticleView::attachWebChannelToHtml()
{
// set the web channel to be used by the page
// see http://doc.qt.io/qt-5/qwebenginepage.html#setWebChannel
webview->page()->setWebChannel( channel, QWebEngineScript::MainWorld );
// register QObjects to be exposed to JavaScript
channel->registerObject( QStringLiteral( "articleview" ), agent );
}
void ArticleView::linkClicked( QUrl const & url_ )
{
Qt::KeyboardModifiers kmod = QApplication::keyboardModifiers();
// Lock jump on links while Alt key is pressed
if ( kmod & Qt::AltModifier )
return;
QUrl url( url_ );
Contexts contexts;
tryMangleWebsiteClickedUrl( url, contexts );
if ( !popupView && ( webview->isMidButtonPressed() || ( kmod & ( Qt::ControlModifier | Qt::ShiftModifier ) ) )
&& !isAudioLink( url ) ) {
// Mid button or Control/Shift is currently pressed - open the link in new tab
webview->resetMidButtonPressed();
emit openLinkInNewTab( url, webview->url(), getCurrentArticle(), contexts );
}
else
openLink( url, webview->url(), getCurrentArticle(), contexts );
}
void ArticleView::linkClickedInHtml( QUrl const & url_ )
{
webview->linkClickedInHtml( url_ );
if ( !url_.isEmpty() ) {
linkClicked( url_ );
}
}
void ArticleView::makeAnkiCardFromArticle( QString const & article_id )
{
auto const js_code = QString( R"EOF(document.getElementById("gdarticlefrom-%1").innerText)EOF" ).arg( article_id );
webview->page()->runJavaScript( js_code, [ this ]( const QVariant & article_text ) {
sendToAnki( webview->title(), article_text.toString(), translateLine->text() );
} );
}
void ArticleView::openLink( QUrl const & url, QUrl const & ref, QString const & scrollTo, Contexts const & contexts_ )
{
audioPlayer->stop();
qDebug() << "open link url:" << url;
auto [ valid, word ] = Utils::Url::getQueryWord( url );
if ( valid && word.isEmpty() ) {
//if valid=true and word is empty,the url must be a invalid gdlookup url.
//else if valid=false,the url should be external urls.
return;
}
Contexts contexts( contexts_ );
if ( url.scheme().compare( "ankisearch" ) == 0 ) {
ankiConnector->ankiSearch( url.path() );
return;
}
else if ( url.scheme().compare( "ankicard" ) == 0 ) {
// If article id is set in path and selection is empty, use text from the current article.
// Otherwise, grab currently selected text and use it as the definition.
if ( !url.path().isEmpty() && webview->selectedText().isEmpty() ) {
makeAnkiCardFromArticle( url.path() );
}
else {
sendToAnki( webview->title(), webview->selectedText(), translateLine->text() );
}
qDebug() << "requested to make Anki card.";
return;
}
else if ( url.scheme().compare( "bword" ) == 0 || url.scheme().compare( "entry" ) == 0 ) {
if ( Utils::Url::hasQueryItem( ref, "dictionaries" ) ) {
QStringList dictsList = Utils::Url::queryItemValue( ref, "dictionaries" ).split( ",", Qt::SkipEmptyParts );
showDefinition( word, dictsList, QRegExp(), getGroup( ref ), false );
}
else
showDefinition( word, getGroup( ref ), scrollTo, contexts );
}
else if ( url.scheme() == "gdlookup" ) // Plain html links inherit gdlookup scheme
{
if ( url.hasFragment() ) {
webview->page()->runJavaScript(
QString( "window.location = \"%1\"" ).arg( QString::fromUtf8( url.toEncoded() ) ) );
}
else {
if ( Utils::Url::hasQueryItem( ref, "dictionaries" ) ) {
// Specific dictionary group from full-text search
QStringList dictsList = Utils::Url::queryItemValue( ref, "dictionaries" ).split( ",", Qt::SkipEmptyParts );
showDefinition( url.path().mid( 1 ), dictsList, QRegExp(), getGroup( ref ), false );
return;
}
if ( Utils::Url::hasQueryItem( url, "dictionaries" ) ) {
// Specific dictionary group from full-text search
QStringList dictsList = Utils::Url::queryItemValue( url, "dictionaries" ).split( ",", Qt::SkipEmptyParts );
showDefinition( word, dictsList, QRegExp(), getGroup( url ), false );
return;
}
QString newScrollTo( scrollTo );
if ( Utils::Url::hasQueryItem( url, "dict" ) ) {
// Link to other dictionary
QString dictName( Utils::Url::queryItemValue( url, "dict" ) );
for ( const auto & allDictionarie : allDictionaries ) {
if ( dictName.compare( QString::fromUtf8( allDictionarie->getName().c_str() ) ) == 0 ) {
newScrollTo = scrollToFromDictionaryId( QString::fromUtf8( allDictionarie->getId().c_str() ) );
break;
}
}
}
if ( Utils::Url::hasQueryItem( url, "gdanchor" ) )
contexts[ "gdanchor" ] = Utils::Url::queryItemValue( url, "gdanchor" );
showDefinition( word, getGroup( ref ), newScrollTo, contexts );
}
}
else if ( url.scheme() == "bres" || url.scheme() == "gdau" || url.scheme() == "gdvideo"
|| Utils::Url::isAudioUrl( url ) ) {
// Download it
// Clear any pending ones
resourceDownloadRequests.clear();
resourceDownloadUrl = url;
if ( Utils::Url::isWebAudioUrl( url ) ) {
sptr< Dictionary::DataRequest > req = std::make_shared< Dictionary::WebMultimediaDownload >( url, articleNetMgr );
resourceDownloadRequests.push_back( req );
connect( req.get(), &Dictionary::Request::finished, this, &ArticleView::resourceDownloadFinished );
}
else if ( url.scheme() == "gdau" && url.host() == "search" ) {
// Since searches should be limited to current group, we just do them
// here ourselves since otherwise we'd need to pass group id to netmgr
// and it should've been having knowledge of the current groups, too.
unsigned currentGroup = getGroup( ref );
std::vector< sptr< Dictionary::Class > > const * activeDicts = nullptr;
if ( !groups.empty() ) {
for ( const auto & group : groups )
if ( group.id == currentGroup ) {
activeDicts = &( group.dictionaries );
break;
}
}
else
activeDicts = &allDictionaries;
if ( activeDicts ) {
unsigned preferred = UINT_MAX;
if ( url.hasFragment() ) {
// Find sound in the preferred dictionary
QString preferredName = Utils::Url::fragment( url );
try {
for ( unsigned x = 0; x < activeDicts->size(); ++x ) {
if ( preferredName.compare( QString::fromUtf8( ( *activeDicts )[ x ]->getName().c_str() ) ) == 0 ) {
preferred = x;
sptr< Dictionary::DataRequest > req =
( *activeDicts )[ x ]->getResource( url.path().mid( 1 ).toUtf8().data() );
resourceDownloadRequests.push_back( req );
if ( !req->isFinished() ) {
// Queued loading
connect( req.get(), &Dictionary::Request::finished, this, &ArticleView::resourceDownloadFinished );
}
else {
// Immediate loading
if ( req->dataSize() > 0 ) {
// Resource already found, stop next search
resourceDownloadFinished();
return;
}
}
break;
}
}
}
catch ( std::exception & e ) {
emit statusBarMessage( tr( "ERROR: %1" ).arg( e.what() ), 10000, QPixmap( ":/icons/error.svg" ) );
}
}
for ( unsigned x = 0; x < activeDicts->size(); ++x ) {
try {
if ( x == preferred )
continue;
sptr< Dictionary::DataRequest > req =
( *activeDicts )[ x ]->getResource( url.path().mid( 1 ).toUtf8().data() );
resourceDownloadRequests.push_back( req );
if ( !req->isFinished() ) {
// Queued loading
connect( req.get(), &Dictionary::Request::finished, this, &ArticleView::resourceDownloadFinished );
}
else {
// Immediate loading
if ( req->dataSize() > 0 ) {
// Resource already found, stop next search
break;
}
}
}
catch ( std::exception & e ) {
emit statusBarMessage( tr( "ERROR: %1" ).arg( e.what() ), 10000, QPixmap( ":/icons/error.svg" ) );
}
}
}
}
else {
// Normal resource download
QString contentType;
sptr< Dictionary::DataRequest > req = articleNetMgr.getResource( url, contentType );
if ( !req.get() ) {
qDebug() << "request failed: " << url;
// Request failed, fail
}
else if ( req->isFinished() && req->dataSize() >= 0 ) {
// Have data ready, handle it
resourceDownloadRequests.push_back( req );
resourceDownloadFinished();
return;
}
else if ( !req->isFinished() ) {
// Queue to be handled when done
resourceDownloadRequests.push_back( req );
connect( req.get(), &Dictionary::Request::finished, this, &ArticleView::resourceDownloadFinished );
}
}
if ( resourceDownloadRequests.empty() ) // No requests were queued
{
qDebug() << tr( "The referenced resource doesn't exist." );
return;
}
else
resourceDownloadFinished(); // Check any requests finished already
}
else if ( url.scheme() == "gdprg" ) {
// Program. Run it.
QString id( url.host() );
for ( const auto & program : cfg.programs ) {
if ( program.id == id ) {
// Found the corresponding program.
Programs::RunInstance * req = new Programs::RunInstance;
connect( req, &Programs::RunInstance::finished, req, &QObject::deleteLater );
QString error;
// Delete the request if it fails to start
if ( !req->start( program, url.path().mid( 1 ), error ) ) {
delete req;
QMessageBox::critical( this, "GoldenDict", error );
}
return;
}
}
// Still here? No such program exists.
QMessageBox::critical( this, "GoldenDict", tr( "The referenced audio program doesn't exist." ) );
}
else if ( url.scheme() == "gdtts" ) {
#ifndef NO_TTS_SUPPORT
// Text to speech
QString md5Id = Utils::Url::queryItemValue( url, "engine" );
QString text( url.path().mid( 1 ) );
for ( const auto & voiceEngine : cfg.voiceEngines ) {
QString itemMd5Id =
QString( QCryptographicHash::hash( voiceEngine.name.toUtf8(), QCryptographicHash::Md5 ).toHex() );
if ( itemMd5Id == md5Id ) {
SpeechClient * speechClient = new SpeechClient( voiceEngine, this );
connect( speechClient, SIGNAL( finished() ), speechClient, SLOT( deleteLater() ) );
speechClient->tell( text );
break;
}
}
#else
qDebug() << "gdtts:// is not supported due to missing TTS support";
#endif
}
else if ( Utils::isExternalLink( url ) ) {
// Use the system handler for the conventional external links
QDesktopServices::openUrl( url );
}
}
ResourceToSaveHandler * ArticleView::saveResource( const QUrl & url, const QString & fileName )
{
return saveResource( url, webview->url(), fileName );
}
ResourceToSaveHandler * ArticleView::saveResource( const QUrl & url, const QUrl & ref, const QString & fileName )
{
ResourceToSaveHandler * handler = new ResourceToSaveHandler( this, fileName );
sptr< Dictionary::DataRequest > req;
if ( url.scheme() == "bres" || url.scheme() == "gico" || url.scheme() == "gdau" || url.scheme() == "gdvideo" ) {
if ( url.host() == "search" ) {
// Since searches should be limited to current group, we just do them
// here ourselves since otherwise we'd need to pass group id to netmgr
// and it should've been having knowledge of the current groups, too.
unsigned currentGroup = getGroup( ref );
std::vector< sptr< Dictionary::Class > > const * activeDicts = nullptr;
if ( groups.size() ) {
for ( const auto & group : groups )
if ( group.id == currentGroup ) {
activeDicts = &( group.dictionaries );
break;
}
}
else
activeDicts = &allDictionaries;
if ( activeDicts ) {
unsigned preferred = UINT_MAX;
if ( url.hasFragment() && url.scheme() == "gdau" ) {
// Find sound in the preferred dictionary
QString preferredName = Utils::Url::fragment( url );
for ( unsigned x = 0; x < activeDicts->size(); ++x ) {
try {
if ( preferredName.compare( QString::fromUtf8( ( *activeDicts )[ x ]->getName().c_str() ) ) == 0 ) {
preferred = x;
sptr< Dictionary::DataRequest > data_request =
( *activeDicts )[ x ]->getResource( url.path().mid( 1 ).toUtf8().data() );
handler->addRequest( data_request );
if ( data_request->isFinished() && data_request->dataSize() > 0 ) {
handler->downloadFinished();
return handler;
}
break;
}
}
catch ( std::exception & e ) {
gdWarning( "getResource request error (%s) in \"%s\"\n",
e.what(),
( *activeDicts )[ x ]->getName().c_str() );
}
}
}
for ( unsigned x = 0; x < activeDicts->size(); ++x ) {
try {
if ( x == preferred )
continue;
req = ( *activeDicts )[ x ]->getResource( Utils::Url::path( url ).mid( 1 ).toUtf8().data() );
handler->addRequest( req );
if ( req->isFinished() && req->dataSize() > 0 ) {
// Resource already found, stop next search
break;
}
}
catch ( std::exception & e ) {
gdWarning( "getResource request error (%s) in \"%s\"\n",
e.what(),
( *activeDicts )[ x ]->getName().c_str() );
}
}
}
}
else {
// Normal resource download
QString contentType;
req = articleNetMgr.getResource( url, contentType );
if ( req.get() ) {
handler->addRequest( req );
}
}
}
else {
req = std::make_shared< Dictionary::WebMultimediaDownload >( url, articleNetMgr );
handler->addRequest( req );
}
if ( handler->isEmpty() ) // No requests were queued
{
emit statusBarMessage( tr( "ERROR: %1" ).arg( tr( "The referenced resource doesn't exist." ) ),
10000,
QPixmap( ":/icons/error.svg" ) );
}
// Check already finished downloads
handler->downloadFinished();
return handler;
}
void ArticleView::updateMutedContents()
{
QUrl currentUrl = webview->url();
if ( currentUrl.scheme() != "gdlookup" )
return; // Weird url -- do nothing
unsigned group = getGroup( currentUrl );
if ( !group )
return; // No group in url -- do nothing
QString mutedDicts = getMutedForGroup( group );
if ( Utils::Url::queryItemValue( currentUrl, "muted" ) != mutedDicts ) {
// The list has changed -- update the url
Utils::Url::removeQueryItem( currentUrl, "muted" );
if ( mutedDicts.size() )
Utils::Url::addQueryItem( currentUrl, "muted", mutedDicts );
load( currentUrl );
//QApplication::setOverrideCursor( Qt::WaitCursor );
webview->setCursor( Qt::WaitCursor );
}
}
bool ArticleView::canGoBack()
{
return webview->history()->canGoBack();
}
bool ArticleView::canGoForward()
{
return webview->history()->canGoForward();
}
void ArticleView::setSelectionBySingleClick( bool set )
{
webview->setSelectionBySingleClick( set );
}
void ArticleView::setDelayedHighlightText( QString const & text )
{
delayedHighlightText = text;
}
void ArticleView::syncBackgroundColorWithCfgDarkReader() const
{
// Only works Qt6.6.3+ https://bugreports.qt.io/browse/QTBUG-112013
#if QT_VERSION >= QT_VERSION_CHECK( 6, 6, 3 )
if ( cfg.preferences.darkReaderMode ) {
webview->page()->setBackgroundColor( Qt::black );
}
else {
webview->page()->setBackgroundColor( Qt::white );
}
#endif
}
void ArticleView::back()
{
// Don't allow navigating back to page 0, which is usually the initial
// empty page
if ( canGoBack() ) {
currentActiveDictIds.clear();
historyMode = true;
webview->back();
}
}
void ArticleView::forward()
{
currentActiveDictIds.clear();
historyMode = true;
webview->forward();
}
void ArticleView::handleAnkiAction()
{
// React to the "send *word* to anki" action.
// If selected text is empty, use the whole article as the definition.
if ( webview->selectedText().isEmpty() ) {
makeAnkiCardFromArticle( getActiveArticleId() );
}
else {
sendToAnki( webview->title(), webview->selectedText(), translateLine->text() );
}
}
void ArticleView::reload()
{
webview->reload();
}
void ArticleView::hasSound( const std::function< void( bool ) > & callback )
{
webview->page()->runJavaScript( R"(if(typeof(gdAudioLinks)!="undefined") gdAudioLinks.first)",
[ callback ]( const QVariant & v ) {
bool has = false;
if ( v.type() == QVariant::String )
has = !v.toString().isEmpty();
callback( has );
} );
}
//use webengine javascript to playsound
void ArticleView::playSound()
{
QString variable = R"( (function(){ var link=gdAudioMap.get(gdAudioLinks.current);
if(link==undefined){
link=gdAudioLinks.first;
}
return link;})(); )";
webview->page()->runJavaScript( variable, [ this ]( const QVariant & result ) {
if ( result.type() == QVariant::String ) {
QString soundScript = result.toString();
if ( !soundScript.isEmpty() )
openLink( QUrl::fromEncoded( soundScript.toUtf8() ), webview->url() );
}
} );
}
void ArticleView::stopSound()
{
audioPlayer->stop();
}
void ArticleView::toHtml( const std::function< void( QString & ) > & callback )
{
webview->page()->toHtml( [ = ]( const QString & content ) {
QString html = content;
callback( html );
} );
}
void ArticleView::setHtml( const QString & content, const QUrl & baseUrl )
{
webview->page()->setHtml( content, baseUrl );
}
void ArticleView::setContent( const QByteArray & data, const QString & mimeType, const QUrl & baseUrl )
{
webview->page()->setContent( data, mimeType, baseUrl );
}
QString ArticleView::getTitle()
{
return webview->page()->title();
}
QString ArticleView::getWord() const
{
return currentWord;
}
void ArticleView::print( QPrinter * printer ) const
{
QEventLoop loop;
bool result;
auto printPreview = [ & ]( bool success ) {
result = success;
loop.quit();
};
#if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
webview->page()->print( printer, std::move( printPreview ) );
#else
connect( webview, &QWebEngineView::printFinished, &loop, std::move( printPreview ) );
webview->print( printer );
#endif
loop.exec();
if ( !result ) {
qDebug() << "print failed";
}
}
void ArticleView::contextMenuRequested( QPoint const & pos )
{
// Is that a link? Is there a selection?
QWebEnginePage * r = webview->page();
QMenu menu( this );
QAction * followLink = nullptr;
QAction * followLinkExternal = nullptr;
QAction * followLinkNewTab = nullptr;
QAction * lookupSelection = nullptr;
QAction * lookupSelectionGr = nullptr;
QAction * lookupSelectionNewTab = nullptr;
QAction * lookupSelectionNewTabGr = nullptr;
QAction * maxDictionaryRefsAction = nullptr;
QAction * addWordToHistoryAction = nullptr;
QAction * addHeaderToHistoryAction = nullptr;
QAction * sendWordToInputLineAction = nullptr;
QAction * saveImageAction = nullptr;
QAction * openImageAction = nullptr;
QAction * saveSoundAction = nullptr;
QAction * saveBookmark = nullptr;
#if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
const QWebEngineContextMenuData * menuData = &( r->contextMenuData() );
#else
QWebEngineContextMenuRequest * menuData = webview->lastContextMenuRequest();
#endif
QUrl targetUrl( menuData->linkUrl() );
Contexts contexts;
tryMangleWebsiteClickedUrl( targetUrl, contexts );
if ( !targetUrl.isEmpty() ) {
if ( !Utils::isExternalLink( targetUrl ) ) {
followLink = new QAction( tr( "Op&en Link" ), &menu );
menu.addAction( followLink );
if ( !popupView && !isAudioLink( targetUrl ) ) {
followLinkNewTab = new QAction( QIcon( ":/icons/addtab.svg" ), tr( "Open Link in New &Tab" ), &menu );
menu.addAction( followLinkNewTab );
}
}
if ( Utils::isExternalLink( targetUrl ) ) {
followLinkExternal = new QAction( tr( "Open Link in &External Browser" ), &menu );
menu.addAction( followLinkExternal );
menu.addAction( webview->pageAction( QWebEnginePage::CopyLinkToClipboard ) );
}
}
QUrl imageUrl;
#if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
if ( !popupView && menuData->mediaType() == QWebEngineContextMenuData::MediaTypeImage )
#else
if ( !popupView && menuData->mediaType() == QWebEngineContextMenuRequest::MediaType::MediaTypeImage )
#endif
{
imageUrl = menuData->mediaUrl();
if ( !imageUrl.isEmpty() ) {
menu.addAction( webview->pageAction( QWebEnginePage::CopyImageToClipboard ) );
saveImageAction = new QAction( tr( "Save &image..." ), &menu );
menu.addAction( saveImageAction );
openImageAction = new QAction( tr( "Open image in system viewer..." ), &menu );
menu.addAction( openImageAction );
}
}
if ( !popupView && isAudioLink( targetUrl ) ) {
saveSoundAction = new QAction( tr( "Save s&ound..." ), &menu );
menu.addAction( saveSoundAction );
}
QString const selectedText = webview->selectedText();
QString text = Utils::trimNonChar( selectedText );
if ( text.size() && text.size() < 60 ) {
// We don't prompt for selections larger or equal to 60 chars, since
// it ruins the menu and it's hardly a single word anyway.
lookupSelection = new QAction( tr( "&Look up \"%1\"" ).arg( text ), &menu );
menu.addAction( lookupSelection );
if ( !popupView ) {
lookupSelectionNewTab =
new QAction( QIcon( ":/icons/addtab.svg" ), tr( "Look up \"%1\" in &New Tab" ).arg( text ), &menu );
menu.addAction( lookupSelectionNewTab );
sendWordToInputLineAction = new QAction( tr( "Send \"%1\" to input line" ).arg( text ), &menu );
menu.addAction( sendWordToInputLineAction );
}
addWordToHistoryAction = new QAction( tr( "&Add \"%1\" to history" ).arg( text ), &menu );
menu.addAction( addWordToHistoryAction );
Instances::Group const * altGroup =
( currentGroupId != getGroup( webview->url() ) ) ? groups.findGroup( currentGroupId ) : nullptr;
if ( altGroup ) {
QIcon icon = altGroup->icon.size() ? QIcon( ":/flags/" + altGroup->icon ) : QIcon();
lookupSelectionGr = new QAction( icon, tr( "Look up \"%1\" in %2" ).arg( text ).arg( altGroup->name ), &menu );
menu.addAction( lookupSelectionGr );
if ( !popupView ) {
lookupSelectionNewTabGr =
new QAction( QIcon( ":/icons/addtab.svg" ),
tr( "Look up \"%1\" in %2 in &New Tab" ).arg( text ).arg( altGroup->name ),
&menu );
menu.addAction( lookupSelectionNewTabGr );
}
}
}
if ( text.size() ) {
// avoid too long in the menu ,use left 30 characters.
saveBookmark = new QAction( tr( "Save &Bookmark \"%1...\"" ).arg( text.left( 30 ) ), &menu );
menu.addAction( saveBookmark );
}
// Add anki menu (if enabled)
// If there is no selected text, it will extract text from the current article.
if ( cfg.preferences.ankiConnectServer.enabled ) {
menu.addAction( &sendToAnkiAction );
sendToAnkiAction.setText( webview->selectedText().isEmpty() ? tr( "&Send Current Article to Anki" ) :
tr( "&Send selected text to Anki" ) );
}
if ( text.isEmpty() && !cfg.preferences.storeHistory ) {
QString txt = webview->title();
if ( txt.size() > 60 )
txt = txt.left( 60 ) + "...";
addHeaderToHistoryAction = new QAction( tr( "&Add \"%1\" to history" ).arg( txt ), &menu );
menu.addAction( addHeaderToHistoryAction );
}
if ( selectedText.size() ) {
menu.addAction( webview->pageAction( QWebEnginePage::Copy ) );
menu.addAction( &copyAsTextAction );
}
else {
menu.addAction( &selectCurrentArticleAction );
menu.addAction( webview->pageAction( QWebEnginePage::SelectAll ) );
}
map< QAction *, QString > tableOfContents;
// Add table of contents
QStringList ids = getArticlesList();
if ( !menu.isEmpty() && ids.size() )
menu.addSeparator();
unsigned refsAdded = 0;
bool maxDictionaryRefsReached = false;
for ( QStringList::const_iterator i = ids.constBegin(); i != ids.constEnd(); ++i, ++refsAdded ) {
// Find this dictionary
for ( unsigned x = allDictionaries.size(); x--; ) {
if ( allDictionaries[ x ]->getId() == i->toUtf8().data() ) {
QAction * action = nullptr;
if ( refsAdded == cfg.preferences.maxDictionaryRefsInContextMenu ) {
// Enough! Or the menu would become too large.
maxDictionaryRefsAction = new QAction( ".........", &menu );
action = maxDictionaryRefsAction;
maxDictionaryRefsReached = true;
}
else {
action = new QAction( allDictionaries[ x ]->getIcon(),
QString::fromUtf8( allDictionaries[ x ]->getName().c_str() ),
&menu );
// Force icons in menu on all platforms,
// since without them it will be much harder
// to find things.
action->setIconVisibleInMenu( true );
}
menu.addAction( action );
tableOfContents[ action ] = *i;
break;
}
}
if ( maxDictionaryRefsReached )
break;
}
menu.addSeparator();
if ( !popupView || cfg.pinPopupWindow )
menu.addAction( &inspectAction );
if ( !menu.isEmpty() ) {
connect( this, &ArticleView::closePopupMenu, &menu, &QWidget::close );
QAction * result = menu.exec( webview->mapToGlobal( pos ) );
if ( !result )
return;
if ( result == followLink )
openLink( targetUrl, webview->url(), getCurrentArticle(), contexts );
else if ( result == followLinkExternal )
QDesktopServices::openUrl( targetUrl );
else if ( result == lookupSelection )
showDefinition( text, getGroup( webview->url() ), getCurrentArticle() );
else if ( result == saveBookmark ) {
emit saveBookmarkSignal( text.left( 60 ) );
}
else if ( result == &sendToAnkiAction ) {
// This action is handled by a slot.
return;
}
else if ( result == lookupSelectionGr && currentGroupId )
showDefinition( selectedText, currentGroupId, QString() );
else if ( result == addWordToHistoryAction )
emit forceAddWordToHistory( selectedText );
else if ( result == addHeaderToHistoryAction )
emit forceAddWordToHistory( webview->title() );
else if ( result == sendWordToInputLineAction )
emit sendWordToInputLine( selectedText );
else if ( !popupView && result == followLinkNewTab )
emit openLinkInNewTab( targetUrl, webview->url(), getCurrentArticle(), contexts );
else if ( !popupView && result == lookupSelectionNewTab )
emit showDefinitionInNewTab( selectedText, getGroup( webview->url() ), getCurrentArticle(), Contexts() );
else if ( !popupView && result == lookupSelectionNewTabGr && currentGroupId )
emit showDefinitionInNewTab( selectedText, currentGroupId, QString(), Contexts() );
else if ( result == saveImageAction || result == saveSoundAction ) {
QUrl url = ( result == saveImageAction ) ? imageUrl : targetUrl;
QString savePath;
QString fileName;
if ( cfg.resourceSavePath.isEmpty() )
savePath = QDir::homePath();
else {
savePath = QDir::fromNativeSeparators( cfg.resourceSavePath );
if ( !QDir( savePath ).exists() )
savePath = QDir::homePath();
}
QString name = Utils::Url::path( url ).section( '/', -1 );
if ( result == saveSoundAction ) {
// Audio data
// if ( name.indexOf( '.' ) < 0 )
// name += ".wav";
fileName = savePath + "/" + name;
fileName = QFileDialog::getSaveFileName(
parentWidget(),
tr( "Save sound" ),
fileName,
tr(
"Sound files (*.wav *.opus *.ogg *.oga *.mp3 *.mp4 *.aac *.flac *.mid *.wv *.ape *.spx);;All files (*.*)" ) );
}
else {
// Image data
// Check for babylon image name
if ( name[ 0 ] == '\x1E' )
name.remove( 0, 1 );
if ( name.length() && name[ name.length() - 1 ] == '\x1F' )
name.chop( 1 );
fileName = savePath + "/" + name;
fileName = QFileDialog::getSaveFileName( parentWidget(),
tr( "Save image" ),
fileName,
tr( "Image files (*.bmp *.jpg *.png *.tif);;All files (*.*)" ) );
}
if ( !fileName.isEmpty() ) {
QFileInfo fileInfo( fileName );
emit storeResourceSavePath( QDir::toNativeSeparators( fileInfo.absoluteDir().absolutePath() ) );
saveResource( url, webview->url(), fileName );
}
}
else if ( result == openImageAction ) {
QUrl url = imageUrl;
QString fileName;
QString name = Utils::Url::path( url ).section( '/', -1 );
// Image data
// Check for babylon image name
if ( name[ 0 ] == '\x1E' )
name.remove( 0, 1 );
if ( name.length() && name[ name.length() - 1 ] == '\x1F' )
name.chop( 1 );
fileName = QDir::temp().filePath( QString::number( QRandomGenerator::global()->generate() ) + name );
if ( !fileName.isEmpty() ) {
QFileInfo fileInfo( fileName );
auto handler = saveResource( url, webview->url(), fileName );
if ( !handler->isEmpty() ) {
connect( handler, &ResourceToSaveHandler::done, this, [ fileName ]() {
QDesktopServices::openUrl( QUrl::fromLocalFile( fileName ) );
} );
}
else {
QDesktopServices::openUrl( QUrl::fromLocalFile( fileName ) );
}
}
}
else {
if ( !popupView && result == maxDictionaryRefsAction )
emit showDictsPane();
// Match against table of contents
QString id = tableOfContents[ result ];
if ( id.size() )
setCurrentArticle( scrollToFromDictionaryId( id ), true );
}
}
qDebug() << "title = " << r->title();
}
void ArticleView::resourceDownloadFinished()
{
if ( resourceDownloadRequests.empty() )
return; // Stray signal
// Find any finished resources
for ( list< sptr< Dictionary::DataRequest > >::iterator i = resourceDownloadRequests.begin();
i != resourceDownloadRequests.end(); ) {
if ( ( *i )->isFinished() ) {
if ( ( *i )->dataSize() >= 0 ) {
// Ok, got one finished, all others are irrelevant now
vector< char > const & data = ( *i )->getFullData();
if ( resourceDownloadUrl.scheme() == "gdau" || Utils::Url::isWebAudioUrl( resourceDownloadUrl ) ) {
// Audio data
audioPlayer->stop();
connect( audioPlayer.data(),
&AudioPlayerInterface::error,
this,
&ArticleView::audioPlayerError,
Qt::UniqueConnection );
QString errorMessage = audioPlayer->play( data.data(), data.size() );
if ( !errorMessage.isEmpty() )
QMessageBox::critical( this, "GoldenDict", tr( "Failed to play sound file: %1" ).arg( errorMessage ) );
}
else {
// Create a temporary file
// Remove the ones previously used, if any
cleanupTemp();
QString fileName;
{
QTemporaryFile tmp( QDir::temp().filePath( "XXXXXX-" + resourceDownloadUrl.path().section( '/', -1 ) ),
this );
if ( !tmp.open() || (size_t)tmp.write( &data.front(), data.size() ) != data.size() ) {
QMessageBox::critical( this, "GoldenDict", tr( "Failed to create temporary file." ) );
return;
}
tmp.setAutoRemove( false );
desktopOpenedTempFiles.insert( fileName = tmp.fileName() );
}
if ( !QDesktopServices::openUrl( QUrl::fromLocalFile( fileName ) ) )
QMessageBox::critical(
this,
"GoldenDict",
tr( "Failed to auto-open resource file, try opening manually: %1." ).arg( fileName ) );
}
// Ok, whatever it was, it's finished. Remove this and any other
// requests and finish.
resourceDownloadRequests.clear();
return;
}
else {
// This one had no data. Erase it.
resourceDownloadRequests.erase( i++ );
}
}
else // Unfinished, wait.
break;
}
if ( resourceDownloadRequests.empty() ) {
// emit statusBarMessage(
// tr("WARNING: %1").arg(tr("The referenced resource failed to download.")),
// 10000, QPixmap(":/icons/error.svg"));
}
}
void ArticleView::audioPlayerError( QString const & message )
{
emit statusBarMessage( tr( "WARNING: Audio Player: %1" ).arg( message ), 10000, QPixmap( ":/icons/error.svg" ) );
}
void ArticleView::pasteTriggered()
{
QString word = cfg.preferences.sanitizeInputPhrase( QApplication::clipboard()->text() );
if ( !word.isEmpty() ) {
unsigned groupId = getGroup( webview->url() );
if ( groupId == 0 || groupId == Instances::Group::HelpGroupId ) {
// We couldn't figure out the group out of the URL,
// so let's try the currently selected group.
groupId = currentGroupId;
}
showDefinition( word, groupId, getCurrentArticle() );
}
}
unsigned ArticleView::getCurrentGroup()
{
return currentGroupId;
}
void ArticleView::moveOneArticleUp()
{
QString current = getCurrentArticle();
if ( current.size() ) {
QStringList lst = getArticlesList();
int idx = lst.indexOf( dictionaryIdFromScrollTo( current ) );
if ( idx != -1 ) {
--idx;
if ( idx < 0 )
idx = lst.size() - 1;
setCurrentArticle( scrollToFromDictionaryId( lst[ idx ] ), true );
}
}
}
void ArticleView::moveOneArticleDown()
{
QString currentDictId = getActiveArticleId();
QStringList lst = getArticlesList();
// if current article is empty .use the first as default.
if ( currentDictId.isEmpty() && !lst.isEmpty() ) {
currentDictId = lst[ 0 ];
}
int idx = lst.indexOf( currentDictId );
if ( idx != -1 ) {
idx = ( idx + 1 ) % lst.size();
setCurrentArticle( scrollToFromDictionaryId( lst[ idx ] ), true );
}
}
void ArticleView::openSearch()
{
if ( !isVisible() )
return;
if ( ftsSearchPanel->isVisible() )
closeSearch();
if ( !searchPanel->isVisible() ) {
searchPanel->show();
searchPanel->lineEdit->setText( getTitle() );
}
searchPanel->lineEdit->setFocus();
searchPanel->lineEdit->selectAll();
// Clear any current selection
if ( !webview->selectedText().isEmpty() ) {
webview->findText( "" );
}
Utils::Widget::setNoResultColor( searchPanel->lineEdit, false );
}
void ArticleView::on_searchPrevious_clicked()
{
if ( searchPanel->isVisible() )
performFindOperation( true );
}
void ArticleView::on_searchNext_clicked()
{
if ( searchPanel->isVisible() )
performFindOperation( false );
}
void ArticleView::on_searchText_textEdited()
{
performFindOperation( false );
}
void ArticleView::on_searchText_returnPressed()
{
on_searchNext_clicked();
}
void ArticleView::on_searchCloseButton_clicked()
{
closeSearch();
}
void ArticleView::on_searchCaseSensitive_clicked()
{
performFindOperation( false );
}
//the id start with "gdform-"
void ArticleView::onJsActiveArticleChanged( QString const & id )
{
if ( !isScrollTo( id ) )
return; // Incorrect id
QString dictId = dictionaryIdFromScrollTo( id );
setActiveArticleId( dictId );
emit activeArticleChanged( this, dictId );
}
void ArticleView::doubleClicked( QPoint pos )
{
// We might want to initiate translation of the selected word
audioPlayer->stop();
if ( cfg.preferences.doubleClickTranslates ) {
QString selectedText = webview->selectedText();
// ignore empty word;
if ( selectedText.isEmpty() )
return;
emit sendWordToInputLine( selectedText );
// Do some checks to make sure there's a sensible selection indeed
if ( Folding::applyWhitespaceOnly( gd::toWString( selectedText ) ).size() && selectedText.size() < 60 ) {
// Initiate translation
Qt::KeyboardModifiers kmod = QApplication::keyboardModifiers();
if ( kmod & ( Qt::ControlModifier | Qt::ShiftModifier ) ) { // open in new tab
emit showDefinitionInNewTab( selectedText, getGroup( webview->url() ), getCurrentArticle(), Contexts() );
}
else {
QUrl const & ref = webview->url();
if ( Utils::Url::hasQueryItem( ref, "dictionaries" ) ) {
QStringList dictsList = Utils::Url::queryItemValue( ref, "dictionaries" ).split( ",", Qt::SkipEmptyParts );
showDefinition( selectedText, dictsList, QRegExp(), getGroup( ref ), false );
}
else
showDefinition( selectedText, getGroup( ref ), getCurrentArticle() );
}
}
}
}
void ArticleView::performFindOperation( bool backwards )
{
QString text = searchPanel->lineEdit->text();
QWebEnginePage::FindFlags f( 0 );
if ( searchPanel->caseSensitive->isChecked() )
f |= QWebEnginePage::FindCaseSensitively;
if ( backwards )
f |= QWebEnginePage::FindBackward;
findText( text, f, [ text, this ]( bool match ) {
bool setMark = !text.isEmpty() && !match;
Utils::Widget::setNoResultColor( searchPanel->lineEdit, setMark );
} );
}
void ArticleView::findText( QString & text,
const QWebEnginePage::FindFlags & f,
const std::function< void( bool match ) > & callback )
{
#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
webview->findText( text, f, [ callback ]( const QWebEngineFindTextResult & result ) {
auto r = result.numberOfMatches() > 0;
if ( callback )
callback( r );
} );
#else
webview->findText( text, f, [ callback ]( bool result ) {
if ( callback )
callback( result );
} );
#endif
}
bool ArticleView::closeSearch()
{
if ( searchPanel->isVisible() ) {
searchPanel->hide();
webview->setFocus();
return true;
}
if ( ftsSearchPanel->isVisible() ) {
firstAvailableText.clear();
uniqueMatches.clear();
ftsSearchPanel->hide();
webview->setFocus();
QWebEnginePage::FindFlags flags( 0 );
webview->findText( "", flags );
return true;
}
return false;
}
bool ArticleView::isSearchOpened()
{
return searchPanel->isVisible();
}
void ArticleView::copyAsText()
{
QString text = webview->selectedText();
if ( !text.isEmpty() )
QApplication::clipboard()->setText( text );
}
void ArticleView::highlightFTSResults()
{
closeSearch();
// Clear any current selection
webview->findText( "" );
QString regString = Utils::Url::queryItemValue( webview->url(), "regexp" );
if ( regString.isEmpty() )
return;
//replace any unicode Number ,Symbol ,Punctuation ,Mark character to whitespace
regString.replace( QRegularExpression( R"([\p{N}\p{S}\p{P}\p{M}])", QRegularExpression::UseUnicodePropertiesOption ),
" " );
if ( regString.trimmed().isEmpty() )
return;
QString script = QString(
"var context = document.querySelector(\"body\");\n"
"var instance = new Mark(context);\n"
"instance.mark(\"%1\",{\"accuracy\": \"exactly\"});" )
.arg( regString );
webview->page()->runJavaScript( script );
}
void ArticleView::setActiveDictIds( const ActiveDictIds & ad )
{
auto groupId = ad.groupId;
if ( groupId == 0 ) {
groupId = Instances::Group::AllGroupId;
}
if ( ( ad.word == currentWord && groupId == getCurrentGroup() ) || historyMode ) {
// ignore all other signals.
qDebug() << "receive dicts, current word:" << currentWord << ad.word << ":" << ad.dictIds;
currentActiveDictIds << ad.dictIds;
currentActiveDictIds.removeDuplicates();
emit updateFoundInDictsList();
}
}
void ArticleView::dictionaryClear( const ActiveDictIds & ad )
{
auto groupId = ad.groupId;
if ( groupId == 0 ) {
groupId = Instances::Group::AllGroupId;
}
// ignore all other signals.
if ( ad.word == currentWord && groupId == getCurrentGroup() ) {
qDebug() << "clear current dictionaries:" << currentWord;
currentActiveDictIds.clear();
}
}
void ArticleView::performFtsFindOperation( bool backwards )
{
if ( !ftsSearchPanel->isVisible() )
return;
if ( firstAvailableText.isEmpty() ) {
ftsSearchPanel->statusLabel->setText( searchStatusMessageNoMatches() );
ftsSearchPanel->next->setEnabled( false );
ftsSearchPanel->previous->setEnabled( false );
return;
}
QWebEnginePage::FindFlags flags( 0 );
if ( ftsSearchMatchCase )
flags |= QWebEnginePage::FindCaseSensitively;
if ( backwards ) {
#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
webview->findText( firstAvailableText,
flags | QWebEnginePage::FindBackward,
[ this ]( const QWebEngineFindTextResult & result ) {
if ( result.numberOfMatches() == 0 )
return;
ftsSearchPanel->previous->setEnabled( true );
if ( !ftsSearchPanel->next->isEnabled() )
ftsSearchPanel->next->setEnabled( true );
ftsSearchPanel->statusLabel->setText(
searchStatusMessage( result.activeMatch(), result.numberOfMatches() ) );
} );
#else
webview->findText( firstAvailableText, flags | QWebEnginePage::FindBackward, [ this ]( bool res ) {
ftsSearchPanel->previous->setEnabled( res );
if ( !ftsSearchPanel->next->isEnabled() )
ftsSearchPanel->next->setEnabled( res );
} );
#endif
}
else {
#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
webview->findText( firstAvailableText, flags, [ this ]( const QWebEngineFindTextResult & result ) {
if ( result.numberOfMatches() == 0 )
return;
ftsSearchPanel->next->setEnabled( true );
if ( !ftsSearchPanel->previous->isEnabled() )
ftsSearchPanel->previous->setEnabled( true );
ftsSearchPanel->statusLabel->setText( searchStatusMessage( result.activeMatch(), result.numberOfMatches() ) );
} );
#else
webview->findText( firstAvailableText, flags, [ this ]( bool res ) {
ftsSearchPanel->next->setEnabled( res );
if ( !ftsSearchPanel->previous->isEnabled() )
ftsSearchPanel->previous->setEnabled( res );
} );
#endif
}
}
void ArticleView::on_ftsSearchPrevious_clicked()
{
performFtsFindOperation( true );
}
void ArticleView::on_ftsSearchNext_clicked()
{
performFtsFindOperation( false );
}
void ArticleView::clearContent()
{
auto html = articleNetMgr.getHtml( ResourceType::BLANK );
webview->setHtml( QString::fromStdString( html ) );
}
ResourceToSaveHandler::ResourceToSaveHandler( ArticleView * view, QString fileName ):
QObject( view ),
fileName( std::move( fileName ) ),
alreadyDone( false )
{
connect( this, &ResourceToSaveHandler::statusBarMessage, view, &ArticleView::statusBarMessage );
}
void ResourceToSaveHandler::addRequest( const sptr< Dictionary::DataRequest > & req )
{
if ( !alreadyDone ) {
downloadRequests.push_back( req );
connect( req.get(), &Dictionary::Request::finished, this, &ResourceToSaveHandler::downloadFinished );
}
}
void ResourceToSaveHandler::downloadFinished()
{
if ( downloadRequests.empty() )
return; // Stray signal
// Find any finished resources
for ( auto i = downloadRequests.begin(); i != downloadRequests.end(); ) {
if ( ( *i )->isFinished() ) {
if ( ( *i )->dataSize() >= 0 && !alreadyDone ) {
QByteArray resourceData;
vector< char > const & data = ( *i )->getFullData();
resourceData = QByteArray( data.data(), data.size() );
// Write data to file
if ( !fileName.isEmpty() ) {
const QFileInfo fileInfo( fileName );
QDir().mkpath( fileInfo.absoluteDir().absolutePath() );
QFile file( fileName );
if ( file.open( QFile::WriteOnly ) ) {
file.write( resourceData.data(), resourceData.size() );
file.close();
}
if ( file.error() ) {
emit statusBarMessage( tr( "ERROR: %1" ).arg( tr( "Resource saving error: " ) + file.errorString() ),
10000,
QPixmap( ":/icons/error.svg" ) );
}
}
alreadyDone = true;
// Clear other requests
downloadRequests.clear();
break;
}
else {
// This one had no data. Erase it.
downloadRequests.erase( i++ );
}
}
else // Unfinished, wait.
break;
}
if ( downloadRequests.empty() ) {
if ( !alreadyDone ) {
emit statusBarMessage( tr( "WARNING: %1" ).arg( tr( "The referenced resource failed to download." ) ),
10000,
QPixmap( ":/icons/error.svg" ) );
}
emit done();
deleteLater();
}
}
ArticleViewAgent::ArticleViewAgent( ArticleView * articleView ):
QObject( articleView ),
articleView( articleView )
{
}
void ArticleViewAgent::onJsActiveArticleChanged( QString const & id )
{
articleView->onJsActiveArticleChanged( id );
}
void ArticleViewAgent::linkClickedInHtml( QUrl const & url )
{
articleView->linkClickedInHtml( url );
}
void ArticleViewAgent::collapseInHtml( QString const & dictId, bool on ) const
{
if ( GlobalBroadcaster::instance()->getPreference()->sessionCollapse ) {
if ( on ) {
GlobalBroadcaster::instance()->collapsedDicts.insert( dictId );
}
else {
GlobalBroadcaster::instance()->collapsedDicts.remove( dictId );
}
}
}
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