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articleview.cc
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articleview.cc
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/* This file is (c) 2008-2012 Konstantin Isakov <[email protected]>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#include "articleview.hh"
#include "externalviewer.hh"
#include <map>
#include <QMessageBox>
#include <QWebHitTestResult>
#include <QMenu>
#include <QDesktopServices>
#include <QWebHistory>
#include <QClipboard>
#include <QKeyEvent>
#include <QFileDialog>
#include "folding.hh"
#include "wstring_qt.hh"
#include "webmultimediadownload.hh"
#include "programs.hh"
#include "gddebug.hh"
#include "ffmpegaudio.hh"
#include <QDebug>
#include <QCryptographicHash>
#include "gestures.hh"
#include "fulltextsearch.hh"
#if QT_VERSION >= 0x040600
#include <QWebElement>
#include <QWebElementCollection>
#endif
#include <assert.h>
#ifdef Q_OS_WIN32
#include <windows.h>
#include <QPainter>
#endif
#include <QBuffer>
#if defined( Q_OS_WIN32 ) || defined( Q_OS_MAC )
#include "speechclient.hh"
#endif
using std::map;
using std::list;
/// AccentMarkHandler class
///
/// Remove accent marks from text
/// and mirror position in normalized text to original text
class AccentMarkHandler
{
QString normalizedString;
QVector< int > accentMarkPos;
public:
static QChar accentMark()
{ return QChar( 0x301 ); }
/// Create text without accent marks
/// and store mark positions
void setText( QString const & baseString )
{
accentMarkPos.clear();
normalizedString.clear();
int pos = 0;
QChar mark = accentMark();
for( int x = 0; x < baseString.length(); x++ )
{
if( baseString.at( x ) == mark )
{
accentMarkPos.append( pos );
continue;
}
normalizedString.append( baseString.at( x ) );
pos++;
}
}
/// Return text without accent marks
QString const & normalizedText() const
{ return normalizedString; }
/// Convert position into position in original text
int mirrorPosition( int const & pos ) const
{
int newPos = pos;
for( int x = 0; x < accentMarkPos.size(); x++ )
{
if( accentMarkPos.at( x ) < pos )
newPos++;
else
break;
}
return newPos;
}
};
/// End of DslAccentMark class
static QVariant evaluateJavaScriptVariableSafe( QWebFrame * frame, const QString & variable )
{
return frame->evaluateJavaScript(
QString( "( typeof( %1 ) !== 'undefined' && %1 !== undefined ) ? %1 : null;" )
.arg( variable ) );
}
ArticleView::ArticleView( QWidget * parent, ArticleNetworkAccessManager & nm,
std::vector< sptr< Dictionary::Class > > const & allDictionaries_,
Instances::Groups const & groups_, bool popupView_,
Config::Class const & cfg_,
QAction & openSearchAction_,
QAction * dictionaryBarToggled_,
GroupComboBox const * groupComboBox_ ):
QFrame( parent ),
articleNetMgr( nm ),
allDictionaries( allDictionaries_ ),
groups( groups_ ),
popupView( popupView_ ),
cfg( cfg_ ),
pasteAction( this ),
articleUpAction( this ),
articleDownAction( this ),
goBackAction( this ),
goForwardAction( this ),
selectCurrentArticleAction( this ),
copyAsTextAction( this ),
inspectAction( this ),
openSearchAction( openSearchAction_ ),
searchIsOpened( false ),
dictionaryBarToggled( dictionaryBarToggled_ ),
groupComboBox( groupComboBox_ ),
ftsSearchIsOpened( false ),
ftsSearchMatchCase( false ),
ftsPosition( 0 )
{
ui.setupUi( this );
ui.definition->setUp( const_cast< Config::Class * >( &cfg ) );
goBackAction.setShortcut( QKeySequence( "Alt+Left" ) );
ui.definition->addAction( &goBackAction );
connect( &goBackAction, SIGNAL( triggered() ),
this, SLOT( back() ) );
goForwardAction.setShortcut( QKeySequence( "Alt+Right" ) );
ui.definition->addAction( &goForwardAction );
connect( &goForwardAction, SIGNAL( triggered() ),
this, SLOT( forward() ) );
ui.definition->pageAction( QWebPage::Copy )->setShortcut( QKeySequence::Copy );
ui.definition->addAction( ui.definition->pageAction( QWebPage::Copy ) );
QAction * selectAll = ui.definition->pageAction( QWebPage::SelectAll );
selectAll->setShortcut( QKeySequence::SelectAll );
selectAll->setShortcutContext( Qt::WidgetWithChildrenShortcut );
ui.definition->addAction( selectAll );
ui.definition->setContextMenuPolicy( Qt::CustomContextMenu );
ui.definition->page()->setLinkDelegationPolicy( QWebPage::DelegateAllLinks );
ui.definition->page()->setNetworkAccessManager( &articleNetMgr );
connect( ui.definition, SIGNAL( loadFinished( bool ) ),
this, SLOT( loadFinished( bool ) ) );
attachToJavaScript();
connect( ui.definition->page()->mainFrame(), SIGNAL( javaScriptWindowObjectCleared() ),
this, SLOT( attachToJavaScript() ) );
connect( ui.definition, SIGNAL( titleChanged( QString const & ) ),
this, SLOT( handleTitleChanged( QString const & ) ) );
connect( ui.definition, SIGNAL( urlChanged( QUrl const & ) ),
this, SLOT( handleUrlChanged( QUrl const & ) ) );
connect( ui.definition, SIGNAL( customContextMenuRequested( QPoint const & ) ),
this, SLOT( contextMenuRequested( QPoint const & ) ) );
connect( ui.definition, SIGNAL( linkClicked( QUrl const & ) ),
this, SLOT( linkClicked( QUrl const & ) ) );
connect( ui.definition->page(), SIGNAL( linkHovered ( const QString &, const QString &, const QString & ) ),
this, SLOT( linkHovered ( const QString &, const QString &, const QString & ) ) );
connect( ui.definition, SIGNAL(doubleClicked()),this,SLOT(doubleClicked()) );
pasteAction.setShortcut( QKeySequence::Paste );
ui.definition->addAction( &pasteAction );
connect( &pasteAction, SIGNAL( triggered() ), this, SLOT( pasteTriggered() ) );
articleUpAction.setShortcut( QKeySequence( "Alt+Up" ) );
ui.definition->addAction( &articleUpAction );
connect( &articleUpAction, SIGNAL( triggered() ), this, SLOT( moveOneArticleUp() ) );
articleDownAction.setShortcut( QKeySequence( "Alt+Down" ) );
ui.definition->addAction( &articleDownAction );
connect( &articleDownAction, SIGNAL( triggered() ), this, SLOT( moveOneArticleDown() ) );
ui.definition->addAction( &openSearchAction );
connect( &openSearchAction, SIGNAL( triggered() ), this, SLOT( openSearch() ) );
selectCurrentArticleAction.setShortcut( QKeySequence( "Ctrl+Shift+A" ));
selectCurrentArticleAction.setText( tr( "Select Current Article" ) );
ui.definition->addAction( &selectCurrentArticleAction );
connect( &selectCurrentArticleAction, SIGNAL( triggered() ),
this, SLOT( selectCurrentArticle() ) );
copyAsTextAction.setShortcut( QKeySequence( "Ctrl+Shift+C" ) );
copyAsTextAction.setText( tr( "Copy as text" ) );
ui.definition->addAction( ©AsTextAction );
connect( ©AsTextAction, SIGNAL( triggered() ),
this, SLOT( copyAsText() ) );
inspectAction.setShortcut( QKeySequence( Qt::Key_F12 ) );
inspectAction.setText( tr( "Inspect" ) );
ui.definition->addAction( &inspectAction );
connect( &inspectAction, SIGNAL( triggered() ), this, SLOT( inspect() ) );
ui.definition->installEventFilter( this );
ui.searchFrame->installEventFilter( this );
ui.ftsSearchFrame->installEventFilter( this );
// Load the default blank page instantly, so there would be no flicker.
QString contentType;
QUrl blankPage( "gdlookup://localhost?blank=1" );
sptr< Dictionary::DataRequest > r = articleNetMgr.getResource( blankPage,
contentType );
ui.definition->setHtml( QString::fromUtf8( &( r->getFullData().front() ),
r->getFullData().size() ),
blankPage );
expandOptionalParts = cfg.preferences.alwaysExpandOptionalParts;
#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)
ui.definition->grabGesture( Gestures::GDPinchGestureType );
ui.definition->grabGesture( Gestures::GDSwipeGestureType );
#endif
// Variable name for store current selection range
rangeVarName = QString( "sr_%1" ).arg( QString::number( (quint64)this, 16 ) );
}
// explicitly report the minimum size, to avoid
// sidebar widgets' improper resize during restore
QSize ArticleView::minimumSizeHint() const
{
return ui.searchFrame->minimumSizeHint();
}
void ArticleView::setGroupComboBox( GroupComboBox const * g )
{
groupComboBox = g;
}
ArticleView::~ArticleView()
{
cleanupTemp();
#ifndef DISABLE_INTERNAL_PLAYER
if ( cfg.preferences.useInternalPlayer )
Ffmpeg::AudioPlayer::instance().stop();
#endif
#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)
ui.definition->ungrabGesture( Gestures::GDPinchGestureType );
ui.definition->ungrabGesture( Gestures::GDSwipeGestureType );
#endif
}
void ArticleView::showDefinition( QString const & word, unsigned group,
QString const & scrollTo,
Contexts const & contexts_ )
{
#ifndef DISABLE_INTERNAL_PLAYER
// first, let's stop the player
if ( cfg.preferences.useInternalPlayer )
Ffmpeg::AudioPlayer::instance().stop();
#endif
QUrl req;
Contexts contexts( contexts_ );
req.setScheme( "gdlookup" );
req.setHost( "localhost" );
req.addQueryItem( "word", word );
req.addQueryItem( "group", QString::number( group ) );
if ( scrollTo.size() )
req.addQueryItem( "scrollto", scrollTo );
Contexts::Iterator pos = contexts.find( "gdanchor" );
if( pos != contexts.end() )
{
req.addQueryItem( "gdanchor", contexts[ "gdanchor" ] );
contexts.erase( pos );
}
if ( contexts.size() )
{
QBuffer buf;
buf.open( QIODevice::WriteOnly );
QDataStream stream( &buf );
stream << contexts;
buf.close();
req.addQueryItem( "contexts", QString::fromLatin1( buf.buffer().toBase64() ) );
}
QString mutedDicts = getMutedForGroup( group );
if ( mutedDicts.size() )
req.addQueryItem( "muted", mutedDicts );
// Update both histories (pages history and headwords history)
saveHistoryUserData();
emit sendWordToHistory( word );
// Any search opened is probably irrelevant now
closeSearch();
// Clear highlight all button selection
ui.highlightAllButton->setChecked(false);
emit setExpandMode( expandOptionalParts );
ui.definition->load( req );
//QApplication::setOverrideCursor( Qt::WaitCursor );
ui.definition->setCursor( Qt::WaitCursor );
}
void ArticleView::showDefinition( QString const & word, QStringList const & dictIDs,
QRegExp const & searchRegExp, unsigned group )
{
if( dictIDs.isEmpty() )
return;
#ifndef DISABLE_INTERNAL_PLAYER
// first, let's stop the player
if ( cfg.preferences.useInternalPlayer )
Ffmpeg::AudioPlayer::instance().stop();
#endif
QUrl req;
req.setScheme( "gdlookup" );
req.setHost( "localhost" );
req.addQueryItem( "word", word );
req.addQueryItem( "dictionaries", dictIDs.join( ",") );
req.addQueryItem( "regexp", searchRegExp.pattern() );
if( searchRegExp.caseSensitivity() == Qt::CaseSensitive )
req.addQueryItem( "matchcase", "1" );
if( searchRegExp.patternSyntax() == QRegExp::WildcardUnix )
req.addQueryItem( "wildcards", "1" );
req.addQueryItem( "group", QString::number( group ) );
// Update both histories (pages history and headwords history)
saveHistoryUserData();
emit sendWordToHistory( word );
// Any search opened is probably irrelevant now
closeSearch();
// Clear highlight all button selection
ui.highlightAllButton->setChecked(false);
emit setExpandMode( expandOptionalParts );
ui.definition->load( req );
//QApplication::setOverrideCursor( Qt::WaitCursor );
ui.definition->setCursor( Qt::WaitCursor );
}
void ArticleView::showAnticipation()
{
ui.definition->setHtml( "" );
ui.definition->setCursor( Qt::WaitCursor );
//QApplication::setOverrideCursor( Qt::WaitCursor );
}
void ArticleView::loadFinished( bool )
{
QUrl url = ui.definition->url();
// See if we have any iframes in need of expansion
QList< QWebFrame * > frames = ui.definition->page()->mainFrame()->childFrames();
bool wereFrames = false;
for( QList< QWebFrame * >::iterator i = frames.begin(); i != frames.end(); ++i )
{
if ( (*i)->frameName().startsWith( "gdexpandframe-" ) )
{
//DPRINTF( "Name: %s\n", (*i)->frameName().toUtf8().data() );
//DPRINTF( "Size: %d\n", (*i)->contentsSize().height() );
//DPRINTF( ">>>>>>>>Height = %s\n", (*i)->evaluateJavaScript( "document.body.offsetHeight;" ).toString().toUtf8().data() );
// Set the height
ui.definition->page()->mainFrame()->evaluateJavaScript( QString( "document.getElementById('%1').height = %2;" ).
arg( (*i)->frameName() ).
arg( (*i)->contentsSize().height() ) );
// Show it
ui.definition->page()->mainFrame()->evaluateJavaScript( QString( "document.getElementById('%1').style.display = 'block';" ).
arg( (*i)->frameName() ) );
(*i)->evaluateJavaScript( "var gdLastUrlText;" );
(*i)->evaluateJavaScript( "document.addEventListener( 'click', function() { gdLastUrlText = window.event.srcElement.textContent; }, true );" );
(*i)->evaluateJavaScript( "document.addEventListener( 'contextmenu', function() { gdLastUrlText = window.event.srcElement.textContent; }, true );" );
wereFrames = true;
}
}
if ( wereFrames )
{
// There's some sort of glitch -- sometimes you need to move a mouse
QMouseEvent ev( QEvent::MouseMove, QPoint(), Qt::MouseButton(), 0, 0 );
qApp->sendEvent( ui.definition, &ev );
}
QVariant userDataVariant = ui.definition->history()->currentItem().userData();
if ( userDataVariant.type() == QVariant::Map )
{
QMap< QString, QVariant > userData = userDataVariant.toMap();
QString currentArticle = userData.value( "currentArticle" ).toString();
if ( currentArticle.size() )
{
// There's an active article saved, so set it to be active.
setCurrentArticle( currentArticle );
}
double sx = 0, sy = 0;
if ( userData.value( "sx" ).type() == QVariant::Double )
sx = userData.value( "sx" ).toDouble();
if ( userData.value( "sy" ).type() == QVariant::Double )
sy = userData.value( "sy" ).toDouble();
if ( sx != 0 || sy != 0 )
{
// Restore scroll position
ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "window.scroll( %1, %2 );" ).arg( sx ).arg( sy ) );
}
}
else
if ( url.queryItemValue( "scrollto" ).startsWith( "gdfrom-" ) )
{
// There is no active article saved in history, but we have it as a parameter.
// setCurrentArticle will save it and scroll there.
setCurrentArticle( url.queryItemValue( "scrollto" ), true );
}
ui.definition->unsetCursor();
//QApplication::restoreOverrideCursor();
// Expand collapsed article if only one loaded
ui.definition->page()->mainFrame()->evaluateJavaScript( QString( "gdCheckArticlesNumber();" ) );
// Jump to current article after page reloading
if( !articleToJump.isEmpty() )
{
setCurrentArticle( articleToJump, true );
articleToJump.clear();
}
#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)
if( !url.queryItemValue( "gdanchor" ).isEmpty() )
{
QString anchor = QUrl::fromPercentEncoding( url.encodedQueryItemValue( "gdanchor" ) );
// Find GD anchor on page
int n = anchor.indexOf( '_' );
if( n == 32 )
// MDict pattern: (dictionary ID (32 chars))_(articleID(quint64, hex))_(original anchor)
n = anchor.indexOf( '_', n + 1 );
else
n = 0;
if( n > 0 )
{
QString originalAnchor = anchor.mid( n + 1 );
QRegExp rx;
rx.setMinimal( true );
rx.setPattern( anchor.left( 33 ) + "[0-9a-f]*_" + originalAnchor );
QWebElementCollection coll = ui.definition->page()->mainFrame()->findAllElements( "a[name]" );
for( QWebElementCollection::iterator it = coll.begin(); it != coll.end(); ++it )
{
QString name = (*it).attribute( "name" );
if( rx.indexIn( name ) >= 0 )
{
// Anchor found, jump to it
url.setFragment( rx.cap( 0 ) );
ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "window.location = \"%1\"" ).arg( QString::fromUtf8( url.toEncoded() ) ) );
break;
}
}
}
else
{
url.setFragment( anchor );
ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "window.location = \"%1\"" ).arg( QString::fromUtf8( url.toEncoded() ) ) );
}
}
#endif
emit pageLoaded( this );
if( ui.definition->url().hasQueryItem( "regexp" ) )
highlightFTSResults();
}
void ArticleView::handleTitleChanged( QString const & title )
{
emit titleChanged( this, title );
}
void ArticleView::handleUrlChanged( QUrl const & url )
{
QIcon icon;
unsigned group = getGroup( url );
if ( group )
{
// Find the group's instance corresponding to the fragment value
for( unsigned x = 0; x < groups.size(); ++x )
if ( groups[ x ].id == group )
{
// Found it
icon = groups[ x ].makeIcon();
break;
}
}
emit iconChanged( this, icon );
}
unsigned ArticleView::getGroup( QUrl const & url )
{
if ( url.scheme() == "gdlookup" && url.hasQueryItem( "group" ) )
return url.queryItemValue( "group" ).toUInt();
return 0;
}
QStringList ArticleView::getArticlesList()
{
return evaluateJavaScriptVariableSafe( ui.definition->page()->mainFrame(), "gdArticleContents" )
.toString().trimmed().split( ' ', QString::SkipEmptyParts );
}
QString ArticleView::getActiveArticleId()
{
QString currentArticle = getCurrentArticle();
if ( !currentArticle.startsWith( "gdfrom-" ) )
return QString(); // Incorrect id
return currentArticle.mid( 7 );
}
QString ArticleView::getCurrentArticle()
{
QVariant v = evaluateJavaScriptVariableSafe( ui.definition->page()->mainFrame(), "gdCurrentArticle" );
if ( v.type() == QVariant::String )
return v.toString();
else
return QString();
}
void ArticleView::jumpToDictionary( QString const & id, bool force )
{
QString targetArticle = "gdfrom-" + id;
// jump only if neceessary, or when forced
if ( force || targetArticle != getCurrentArticle() )
{
setCurrentArticle( targetArticle, true );
}
}
void ArticleView::setCurrentArticle( QString const & id, bool moveToIt )
{
if ( !id.startsWith( "gdfrom-" ) )
return; // Incorrect id
if ( !ui.definition->isVisible() )
return; // No action on background page, scrollIntoView there don't work
if ( getArticlesList().contains( id.mid( 7 ) ) )
{
if ( moveToIt )
ui.definition->page()->mainFrame()->evaluateJavaScript( QString( "document.getElementById('%1').scrollIntoView(true);" ).arg( id ) );
QMap< QString, QVariant > userData = ui.definition->history()->
currentItem().userData().toMap();
userData[ "currentArticle" ] = id;
ui.definition->history()->currentItem().setUserData( userData );
ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "gdMakeArticleActive( '%1' );" ).arg( id.mid( 7 ) ) );
}
}
void ArticleView::selectCurrentArticle()
{
ui.definition->page()->mainFrame()->evaluateJavaScript(
QString( "gdSelectArticle( '%1' );" ).arg( getActiveArticleId() ) );
}
bool ArticleView::isFramedArticle( QString const & ca )
{
if ( ca.isEmpty() )
return false;
return ui.definition->page()->mainFrame()->
evaluateJavaScript( QString( "!!document.getElementById('gdexpandframe-%1');" ).arg( ca.mid( 7 ) ) ).toBool();
}
bool ArticleView::isExternalLink( QUrl const & url )
{
return url.scheme() == "http" || url.scheme() == "https" ||
url.scheme() == "ftp" || url.scheme() == "mailto" ||
url.scheme() == "file";
}
void ArticleView::tryMangleWebsiteClickedUrl( QUrl & url, Contexts & contexts )
{
// Don't try mangling audio urls, even if they are from the framed websites
if( ( url.scheme() == "http" || url.scheme() == "https" )
&& ! Dictionary::WebMultimediaDownload::isAudioUrl( url ) )
{
// Maybe a link inside a website was clicked?
QString ca = getCurrentArticle();
if ( isFramedArticle( ca ) )
{
QVariant result = evaluateJavaScriptVariableSafe( ui.definition->page()->currentFrame(), "gdLastUrlText" );
if ( result.type() == QVariant::String )
{
// Looks this way
contexts[ ca.mid( 7 ) ] = QString::fromLatin1( url.toEncoded() );
QUrl target;
QString queryWord = result.toString();
// Empty requests are treated as no request, so we work this around by
// adding a space.
if ( queryWord.isEmpty() )
queryWord = " ";
target.setScheme( "gdlookup" );
target.setHost( "localhost" );
target.setPath( "/" + queryWord );
url = target;
}
}
}
}
void ArticleView::updateCurrentArticleFromCurrentFrame( QWebFrame * frame )
{
if ( !frame )
frame = ui.definition->page()->currentFrame();
for( ; frame; frame = frame->parentFrame() )
{
QString frameName = frame->frameName();
if ( frameName.startsWith( "gdexpandframe-" ) )
{
QString newCurrent = "gdfrom-" + frameName.mid( 14 );
if ( getCurrentArticle() != newCurrent )
setCurrentArticle( newCurrent, false );
break;
}
}
}
void ArticleView::saveHistoryUserData()
{
QMap< QString, QVariant > userData = ui.definition->history()->
currentItem().userData().toMap();
// Save current article, which can be empty
userData[ "currentArticle" ] = getCurrentArticle();
// We also save window position. We restore it when the page is fully loaded,
// when any hidden frames are expanded.
userData[ "sx" ] = ui.definition->page()->mainFrame()->evaluateJavaScript( "window.scrollX;" ).toDouble();
userData[ "sy" ] = ui.definition->page()->mainFrame()->evaluateJavaScript( "window.scrollY;" ).toDouble();
ui.definition->history()->currentItem().setUserData( userData );
}
void ArticleView::cleanupTemp()
{
if ( desktopOpenedTempFile.size() )
{
QFile( desktopOpenedTempFile ).remove();
desktopOpenedTempFile.clear();
}
}
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 && ftsSearchIsOpened )
{
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 )
{
#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)
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 )
zoomIn();
else
if( result == Gestures::ZOOM_OUT )
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 );
QWidget *child = widget->childAt( widget->mapFromGlobal( pt ) );
if( child )
{
QWheelEvent whev( child->mapFromGlobal( pt ), pt, delta, Qt::NoButton, Qt::NoModifier );
qApp->sendEvent( child, &whev );
}
else
{
QWheelEvent whev( widget->mapFromGlobal( pt ), pt, delta, Qt::NoButton, Qt::NoModifier );
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 == ui.definition )
{
if ( ev->type() == QEvent::MouseButtonPress ) {
QMouseEvent * event = static_cast< QMouseEvent * >( ev );
if ( event->button() == Qt::XButton1 ) {
back();
return true;
}
if ( event->button() == Qt::XButton2 ) {
forward();
return true;
}
}
else
if ( ev->type() == QEvent::KeyPress )
{
QKeyEvent * keyEvent = static_cast< QKeyEvent * >( ev );
if ( keyEvent->modifiers() &
( Qt::ControlModifier | Qt::AltModifier | Qt::MetaModifier ) )
return false; // A non-typing modifier is pressed
if ( keyEvent->key() == Qt::Key_Space ||
keyEvent->key() == Qt::Key_Backspace ||
keyEvent->key() == Qt::Key_Tab ||
keyEvent->key() == Qt::Key_Backtab ||
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
return QFrame::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 ) : 0;
if( !mutedDictionaries )
return QString();
QStringList mutedDicts;
if ( groupInstance )
{
for( unsigned x = 0; x < groupInstance->dictionaries.size(); ++x )
{
QString id = QString::fromStdString(
groupInstance->dictionaries[ x ]->getId() );
if ( mutedDictionaries->contains( id ) )
mutedDicts.append( id );
}
}
if ( mutedDicts.size() )
return mutedDicts.join( "," );
}
return QString();
}
void ArticleView::linkHovered ( const QString & link, const QString & , const QString & )
{
QString msg;
QUrl url(link);
if ( url.scheme() == "bres" )
{
msg = tr( "Resource" );
}
else
if ( url.scheme() == "gdau" || Dictionary::WebMultimediaDownload::isAudioUrl( url ) )
{
msg = tr( "Audio" );
}
else
if ( url.scheme() == "gdtts" )
{
msg = tr( "TTS Voice" );
}
else
if ( url.scheme() == "gdpicture" )
{
msg = tr( "Picture" );
}
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( url.hasQueryItem( "dict" ) )
{
// Link to other dictionary
QString dictName( url.queryItemValue( "dict" ) );
if( !dictName.isEmpty() )
msg = tr( "Definition from dictionary \"%1\": %2" ).arg( dictName ).arg( def );
}
if( msg.isEmpty() )