mirror of
https://github.com/xiaoyifang/goldendict-ng.git
synced 2024-11-24 00:14:06 +00:00
c7126a0281
button in main window or in scan popup added. It is also possible to configure the program to do that automatically. + It is now possible to specify which program to use for audio file playback.
415 lines
9.8 KiB
C++
415 lines
9.8 KiB
C++
/* This file is (c) 2008-2009 Konstantin Isakov <ikm@users.berlios.de>
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* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
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#include "scanpopup.hh"
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#include "folding.hh"
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#include "mouseover.hh"
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#include <QUrl>
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#include <QCursor>
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#include <QPixmap>
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#include <QBitmap>
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#include <QMenu>
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#include <QMouseEvent>
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#include <QDesktopWidget>
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using std::wstring;
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ScanPopup::ScanPopup( QWidget * parent,
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Config::Class & cfg_,
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ArticleNetworkAccessManager & articleNetMgr,
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std::vector< sptr< Dictionary::Class > > const & allDictionaries_,
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Instances::Groups const & groups_ ):
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QDialog( parent ),
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cfg( cfg_ ),
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isScanningEnabled( false ),
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allDictionaries( allDictionaries_ ),
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groups( groups_ ),
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wordFinder( this ),
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mouseEnteredOnce( false ),
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hideTimer( this )
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{
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ui.setupUi( this );
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ui.queryError->hide();
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definition = new ArticleView( ui.outerFrame, articleNetMgr, groups, true,
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cfg );
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ui.mainLayout->addWidget( definition );
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ui.wordListButton->hide();
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ui.pronounceButton->hide();
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ui.groupList->fill( groups );
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ui.groupList->setCurrentGroup( cfg.lastPopupGroupId );
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setWindowFlags( Qt::Popup );
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if ( cfg.lastPopupSize.isValid() )
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resize( cfg.lastPopupSize );
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#ifdef Q_OS_WIN32
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// On Windows, leaveEvent() doesn't seem to work with popups and we're trying
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// to emulate it.
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setMouseTracking( true );
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#endif
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#if 0 // Experimental code to give window a non-rectangular shape (i.e.
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// balloon) using a colorkey mask.
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QPixmap pixMask( size() );
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render( &pixMask );
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setMask( pixMask.createMaskFromColor( QColor( 255, 0, 0 ) ) );
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// This helps against flickering
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setAttribute( Qt::WA_NoSystemBackground );
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#endif
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connect( ui.groupList, SIGNAL( currentIndexChanged( QString const & ) ),
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this, SLOT( currentGroupChanged( QString const & ) ) );
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connect( &wordFinder, SIGNAL( finished() ),
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this, SLOT( prefixMatchFinished() ) );
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connect( ui.pinButton, SIGNAL( clicked( bool ) ),
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this, SLOT( pinButtonClicked( bool ) ) );
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connect( definition, SIGNAL( pageLoaded() ),
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this, SLOT( pageLoaded() ) );
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connect( QApplication::clipboard(), SIGNAL( changed( QClipboard::Mode ) ),
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this, SLOT( clipboardChanged( QClipboard::Mode ) ) );
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connect( &MouseOver::instance(), SIGNAL( hovered( QString const & ) ),
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this, SLOT( mouseHovered( QString const & ) ) );
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hideTimer.setSingleShot( true );
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hideTimer.setInterval( 400 );
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connect( &hideTimer, SIGNAL( timeout() ),
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this, SLOT( hideTimerExpired() ) );
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}
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ScanPopup::~ScanPopup()
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{
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disableScanning();
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}
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void ScanPopup::enableScanning()
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{
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if ( !isScanningEnabled )
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{
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isScanningEnabled = true;
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MouseOver::instance().enableMouseOver();
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}
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}
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void ScanPopup::disableScanning()
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{
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if ( isScanningEnabled )
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{
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MouseOver::instance().disableMouseOver();
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isScanningEnabled = false;
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}
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}
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void ScanPopup::clipboardChanged( QClipboard::Mode m )
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{
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if ( !isScanningEnabled )
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return;
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printf( "clipboard changed\n" );
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QString subtype = "plain";
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handleInputWord( QApplication::clipboard()->text( subtype, m ) );
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}
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void ScanPopup::mouseHovered( QString const & str )
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{
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handleInputWord( str );
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}
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void ScanPopup::handleInputWord( QString const & str )
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{
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if ( !cfg.preferences.enableScanPopup )
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return;
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// Check key modifiers
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if ( cfg.preferences.enableScanPopupModifiers &&
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!checkModifiersPressed( cfg.preferences.scanPopupModifiers ) )
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return;
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inputWord = QString::fromStdWString( Folding::trimWhitespaceOrPunct( str.toStdWString() ) );
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if ( !inputWord.size() )
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return;
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/// Too large strings make window expand which is probably not what user
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/// wants
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ui.word->setText( elideInputWord() );
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ui.wordListButton->hide();
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ui.pronounceButton->hide();
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if ( !isVisible() )
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{
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// Decide where should the window land
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QPoint currentPos = QCursor::pos();
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QRect desktop = QApplication::desktop()->screenGeometry();
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QSize windowSize = geometry().size();
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int x, y;
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/// Try the to-the-right placement
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if ( currentPos.x() + 4 + windowSize.width() <= desktop.topRight().x() )
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x = currentPos.x() + 4;
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else
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/// Try the to-the-left placement
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if ( currentPos.x() - 4 - windowSize.width() >= desktop.x() )
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x = currentPos.x() - 4 - windowSize.width();
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else
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// Center it
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x = desktop.x() + ( desktop.width() - windowSize.width() ) / 2;
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/// Try the to-the-buttom placement
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if ( currentPos.y() + 15 + windowSize.height() <= desktop.bottomLeft().y() )
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y = currentPos.y() + 15;
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else
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/// Try the to-the-top placement
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if ( currentPos.y() - 15 - windowSize.height() >= desktop.y() )
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y = currentPos.y() - 15 - windowSize.height();
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else
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// Center it
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y = desktop.y() + ( desktop.height() - windowSize.height() ) / 2;
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move( x, y );
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show();
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mouseEnteredOnce = false; // Windows-only
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// This produced some funky mouse grip-related bugs so we commented it out
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//QApplication::processEvents(); // Make window appear immediately no matter what
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}
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initiateTranslation();
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}
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QString ScanPopup::elideInputWord()
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{
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return inputWord.size() > 32 ? inputWord.mid( 0, 32 ) + "..." : inputWord;
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}
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void ScanPopup::currentGroupChanged( QString const & )
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{
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if ( isVisible() )
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initiateTranslation();
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cfg.lastPopupGroupId = ui.groupList->getCurrentGroup();
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}
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void ScanPopup::initiateTranslation()
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{
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definition->showDefinition( inputWord, ui.groupList->getCurrentGroup() );
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wordFinder.prefixMatch( inputWord, getActiveDicts() );
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}
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vector< sptr< Dictionary::Class > > const & ScanPopup::getActiveDicts()
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{
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int currentGroup = ui.groupList->currentIndex();
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return
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currentGroup < 0 || currentGroup >= (int)groups.size() ? allDictionaries :
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groups[ currentGroup ].dictionaries;
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}
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void ScanPopup::mousePressEvent( QMouseEvent * ev )
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{
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startPos = ev->globalPos();
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setCursor( Qt::ClosedHandCursor );
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QDialog::mousePressEvent( ev );
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}
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void ScanPopup::mouseMoveEvent( QMouseEvent * event )
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{
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if ( event->buttons() )
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{
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QPoint newPos = event->globalPos();
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QPoint delta = newPos - startPos;
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startPos = newPos;
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// Find a top-level window
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move( pos() + delta );
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}
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#ifdef Q_OS_WIN32
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else
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if ( !ui.pinButton->isChecked() )
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{
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if ( !mouseEnteredOnce )
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{
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// We're waiting for mouse to enter window
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if ( geometry().contains( event->globalPos() ) )
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{
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mouseEnteredOnce = true;
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hideTimer.stop();
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}
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}
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else
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{
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// We're waiting for mouse to leave window
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if ( !geometry().contains( event->globalPos() ) )
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{
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mouseEnteredOnce = false;
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hideTimer.start();
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}
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}
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}
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#endif
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QDialog::mouseMoveEvent( event );
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}
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void ScanPopup::mouseReleaseEvent( QMouseEvent * ev )
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{
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unsetCursor();
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QDialog::mouseReleaseEvent( ev );
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}
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void ScanPopup::leaveEvent( QEvent * event )
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{
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QDialog::leaveEvent( event );
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// We hide the popup when the mouse leaves it. So in order to close it
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// without any clicking the cursor has to get inside and then to leave.
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// Combo-boxes seem to generate leave events for their parents when
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// unfolded, so we check coordinates as well.
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// If the dialog is pinned, we don't hide the popup.
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// If some mouse buttons are pressed, we don't hide the popup either,
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// since it indicates the move operation is underway.
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if ( !ui.pinButton->isChecked() && !geometry().contains( QCursor::pos() ) &&
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QApplication::mouseButtons() == Qt::NoButton )
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{
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hideTimer.start();
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}
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}
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void ScanPopup::enterEvent( QEvent * event )
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{
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QDialog::enterEvent( event );
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// If there was a countdown to hide the window, stop it.
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hideTimer.stop();
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}
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void ScanPopup::resizeEvent( QResizeEvent * event )
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{
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cfg.lastPopupSize = event->size();
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QDialog::resizeEvent( event );
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}
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void ScanPopup::showEvent( QShowEvent * ev )
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{
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QDialog::showEvent( ev );
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if ( groups.empty() )
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ui.groupList->hide();
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}
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void ScanPopup::prefixMatchFinished()
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{
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// Check that there's a window there at all
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if ( isVisible() )
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{
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if ( wordFinder.getErrorString().size() )
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{
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ui.queryError->setToolTip( wordFinder.getErrorString() );
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ui.queryError->show();
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}
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else
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ui.queryError->hide();
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ui.wordListButton->setVisible( wordFinder.getPrefixMatchResults().size() );
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}
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}
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void ScanPopup::on_wordListButton_clicked()
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{
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if ( !isVisible() )
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return;
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WordFinder::SearchResults const & results = wordFinder.getPrefixMatchResults();
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if ( results.empty() )
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return;
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QMenu menu( this );
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unsigned total = results.size() < 20 ? results.size() : 20;
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for( unsigned x = 0; x < total; ++x )
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{
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// Some items are just too large! For now skip them.
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if ( results[ x ].first.size() > 64 )
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{
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if ( total < results.size() )
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++total;
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}
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else
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menu.addAction( results[ x ].first );
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}
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QAction * result = menu.exec( mapToGlobal( ui.wordListButton->pos() ) +
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QPoint( 0, ui.wordListButton->height() ) );
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if ( result )
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definition->showDefinition( result->text(), ui.groupList->getCurrentGroup() );
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}
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void ScanPopup::on_pronounceButton_clicked()
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{
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definition->playSound();
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}
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void ScanPopup::pinButtonClicked( bool checked )
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{
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if ( checked )
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{
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setWindowFlags( Qt::Dialog );
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setWindowTitle( elideInputWord() );
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hideTimer.stop();
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}
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else
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setWindowFlags( Qt::Popup );
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show();
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}
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void ScanPopup::hideTimerExpired()
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{
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if ( isVisible() )
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{
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unsetCursor(); // Just in case
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hide();
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}
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}
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void ScanPopup::pageLoaded()
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{
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ui.pronounceButton->setVisible( definition->hasSound() );
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if ( cfg.preferences.pronounceOnLoadPopup )
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definition->playSound();
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}
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