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| Original file line number | Diff line number | Diff line change |
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| /* This file is (c) 2014 Abs62 | ||
| * Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */ | ||
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| #include <QDir> | ||
| #include <QFileInfo> | ||
| #include <QSplitter> | ||
| #include <QHelpContentWidget> | ||
| #include <QHelpIndexWidget> | ||
| #include <QLayout> | ||
| #include <QDesktopServices> | ||
|
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| #include "helpwindow.hh" | ||
| #include "gddebug.hh" | ||
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| namespace Help { | ||
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| HelpBrowser::HelpBrowser( QHelpEngineCore * engine, QWidget *parent ) : | ||
| QTextBrowser( parent ), | ||
| helpEngine( engine ) | ||
| { | ||
| connect( this, SIGNAL( anchorClicked( QUrl ) ), this, SLOT( linkClicked( QUrl ) ) ); | ||
| } | ||
|
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| void HelpBrowser::showHelpForKeyword( QString const & id ) | ||
| { | ||
| if ( helpEngine ) | ||
| { | ||
| QMap< QString, QUrl > links = helpEngine->linksForIdentifier( id ); | ||
| if( !links.isEmpty() ) | ||
| setSource( links.constBegin().value() ); | ||
| } | ||
| } | ||
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| QVariant HelpBrowser::loadResource( int type, QUrl const & name ) | ||
| { | ||
| QByteArray ba; | ||
| if( type < 4 && helpEngine ) | ||
| { | ||
| QUrl url(name); | ||
| if( name.isRelative() ) | ||
| url = source().resolved( url ); | ||
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| ba = helpEngine->fileData(url ); | ||
| } | ||
| return ba; | ||
| } | ||
|
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| void HelpBrowser::linkClicked( QUrl const & url ) | ||
| { | ||
| if( url.scheme() == "http" || url.scheme() == "https" ) | ||
| { | ||
| QDesktopServices::openUrl( url ); | ||
| } | ||
| else | ||
| setSource( url ); | ||
| } | ||
|
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| HelpWindow::HelpWindow( QWidget * parent, Config::Class & cfg_ ) : | ||
| QDialog( parent ), | ||
| cfg( cfg_ ), | ||
| helpEngine( 0 ) | ||
| { | ||
| resize( QSize( 600, 450 ) ); | ||
| setWindowTitle( tr( "GoldenDict help" ) ); | ||
| setWindowFlags( windowFlags() & ~Qt::WindowContextHelpButtonHint ); | ||
|
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| QVBoxLayout * mainLayout = new QVBoxLayout( this ); | ||
| setLayout( mainLayout ); | ||
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| navToolBar = new QToolBar( this ); | ||
| navHome = navToolBar->addAction( QIcon( ":/icons/home.png" ), tr( "Home" ) ); | ||
| navToolBar->widgetForAction( navHome )->setObjectName( "helpHomeButton" ); | ||
| navBack = navToolBar->addAction( QIcon( ":/icons/previous.png" ), tr( "Back" ) ); | ||
| navToolBar->widgetForAction( navBack )->setObjectName( "helpBackButton" ); | ||
| navForward = navToolBar->addAction( QIcon( ":/icons/next.png" ), tr( "Forward" ) ); | ||
| navToolBar->widgetForAction( navForward )->setObjectName( "helpForwardButton" ); | ||
|
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| navToolBar->addSeparator(); | ||
|
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| zoomInAction = navToolBar->addAction( QIcon( ":/icons/icon32_zoomin" ), tr( "Zoom In" ) ); | ||
| navToolBar->widgetForAction( zoomInAction )->setObjectName( "zoomInButton" ); | ||
| zoomOutAction = navToolBar->addAction( QIcon( ":/icons/icon32_zoomout" ), tr( "Zoom Out" ) ); | ||
| navToolBar->widgetForAction( zoomInAction )->setObjectName( "zoomOutButton" ); | ||
| zoomBaseAction = navToolBar->addAction( QIcon( ":/icons/icon32_zoombase" ), tr( "Normal Size" ) ); | ||
| navToolBar->widgetForAction( zoomBaseAction )->setObjectName( "zoomBaseButton" ); | ||
|
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| navForward->setEnabled( false ); | ||
| navBack->setEnabled( false ); | ||
|
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| mainLayout->addWidget( navToolBar ); | ||
|
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| QString localeName = cfg.preferences.interfaceLanguage; | ||
| if( localeName.isEmpty() ) | ||
| localeName = QLocale::system().name(); | ||
|
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| helpFile = QDir::toNativeSeparators( Config::getProgramDataDir() + "/help/gdhelp_" | ||
| + localeName.left( 2 ) + ".qch" ); | ||
|
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| if( !QFileInfo( helpFile ).isFile() ) | ||
| helpFile = QDir::toNativeSeparators( Config::getProgramDataDir() + "/help/gdhelp_en.qch" ); | ||
|
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| helpCollectionFile = QDir::toNativeSeparators( Config::getConfigDir() + "gdhelp.qhc" ); | ||
|
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| helpEngine = new QHelpEngine( helpCollectionFile ); | ||
|
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| if( !helpEngine->setupData() ) | ||
| { | ||
| gdWarning( "Help engine initialization error: %s", helpEngine->error().toUtf8().data() ); | ||
| delete helpEngine; | ||
| helpEngine = 0; | ||
| } | ||
| else | ||
| { | ||
| if( !helpEngine->registerDocumentation( helpFile ) ) | ||
| { | ||
| gdWarning( "Help engine set file error: %s", helpEngine->error().toUtf8().data() ); | ||
| } | ||
|
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| tabWidget = new QTabWidget( this ); | ||
| tabWidget->addTab( helpEngine->contentWidget(), tr( "Content" ) ); | ||
| tabWidget->addTab( helpEngine->indexWidget(), tr( "Index" ) ); | ||
|
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| helpBrowser = new HelpBrowser( helpEngine, this ); | ||
|
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| helpBrowser->setOpenLinks( false ); | ||
|
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| connect( helpEngine->contentWidget(), SIGNAL( linkActivated( QUrl ) ), | ||
| helpBrowser, SLOT( setSource( QUrl ) ) ); | ||
| connect( helpEngine->indexWidget(), SIGNAL( linkActivated( QUrl, QString ) ), | ||
| helpBrowser, SLOT( setSource( QUrl ) ) ); | ||
|
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| connect( navHome, SIGNAL( triggered() ), helpBrowser, SLOT( home() ) ); | ||
| connect( navForward, SIGNAL( triggered() ), helpBrowser, SLOT( forward() ) ); | ||
| connect( navBack, SIGNAL( triggered() ), helpBrowser, SLOT( backward() ) ); | ||
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| connect( helpBrowser, SIGNAL( forwardAvailable( bool ) ), | ||
| this, SLOT( forwardEnabled( bool ) ) ); | ||
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| connect( helpBrowser, SIGNAL( backwardAvailable( bool ) ), | ||
| this, SLOT( backwardEnabled( bool ) ) ); | ||
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| connect( helpEngine->contentWidget(), SIGNAL( clicked( QModelIndex ) ), | ||
| this, SLOT( contentsItemClicked( QModelIndex ) ) ); | ||
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| connect( zoomInAction, SIGNAL( triggered( ) ), this, SLOT( zoomIn() ) ); | ||
| connect( zoomOutAction, SIGNAL( triggered( ) ), this, SLOT( zoomOut() ) ); | ||
| connect( zoomBaseAction, SIGNAL( triggered( ) ), this, SLOT( zoomBase() ) ); | ||
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| splitter = new QSplitter( this ); | ||
| splitter->addWidget( tabWidget ); | ||
| splitter->addWidget( helpBrowser ); | ||
|
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| splitter->setStretchFactor( 0, 1 ); | ||
| splitter->setStretchFactor( 1, 4 ); | ||
| mainLayout->addWidget( splitter ); | ||
| } | ||
|
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| if( !cfg.helpWindowGeometry.isEmpty() ) | ||
| restoreGeometry( cfg.helpWindowGeometry ); | ||
| if( !cfg.helpSplitterState.isEmpty() ) | ||
| splitter->restoreState( cfg.helpSplitterState ); | ||
|
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| QFont f = helpBrowser->font(); | ||
| fontSize = f.pointSize(); | ||
| if( fontSize < 10 ) | ||
| { | ||
| fontSize = 10; | ||
| f.setPointSize( fontSize ); | ||
| helpBrowser->setFont( f ); | ||
| } | ||
|
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| applyZoomFactor(); | ||
| } | ||
|
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| HelpWindow::~HelpWindow() | ||
| { | ||
| if( helpEngine ) | ||
| delete helpEngine; | ||
|
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| QFile f( helpCollectionFile ); | ||
| f.remove(); | ||
| } | ||
|
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| void HelpWindow::reject() | ||
| { | ||
| cfg.helpWindowGeometry = saveGeometry(); | ||
| cfg.helpSplitterState = splitter->saveState(); | ||
| emit needClose(); | ||
| } | ||
|
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| void HelpWindow::accept() | ||
| { | ||
| cfg.helpWindowGeometry = saveGeometry(); | ||
| cfg.helpSplitterState = splitter->saveState(); | ||
| emit needClose(); | ||
| } | ||
|
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| void HelpWindow::forwardEnabled( bool enabled ) | ||
| { | ||
| navForward->setEnabled( enabled ); | ||
| } | ||
|
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| void HelpWindow::backwardEnabled( bool enabled ) | ||
| { | ||
| navBack->setEnabled( enabled ); | ||
| } | ||
|
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| void HelpWindow::contentsItemClicked( QModelIndex const & index ) | ||
| { | ||
| QHelpContentItem * item = helpEngine->contentModel()->contentItemAt( index ); | ||
| if( !item->url().isEmpty() ) | ||
| helpBrowser->setSource( item->url() ); | ||
| } | ||
|
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| void HelpWindow::zoomIn() | ||
| { | ||
| cfg.preferences.helpZoomFactor += 0.2; | ||
| applyZoomFactor(); | ||
| } | ||
|
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| void HelpWindow::zoomOut() | ||
| { | ||
| cfg.preferences.helpZoomFactor -= 0.2; | ||
| applyZoomFactor(); | ||
| } | ||
|
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| void HelpWindow::zoomBase() | ||
| { | ||
| cfg.preferences.helpZoomFactor = 1; | ||
| applyZoomFactor(); | ||
| } | ||
|
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| void HelpWindow::applyZoomFactor() | ||
| { | ||
| if ( cfg.preferences.helpZoomFactor >= 5 ) | ||
| cfg.preferences.helpZoomFactor = 5; | ||
| else if ( cfg.preferences.helpZoomFactor <= 0.2 ) | ||
| cfg.preferences.helpZoomFactor = 0.2; | ||
|
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| zoomInAction->setEnabled( cfg.preferences.helpZoomFactor < 5 ); | ||
| zoomOutAction->setEnabled( cfg.preferences.helpZoomFactor > 0.2 ); | ||
| zoomBaseAction->setEnabled( cfg.preferences.helpZoomFactor != 1.0 ); | ||
|
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| if( fontSize > 0 ) | ||
| { | ||
| QFont f = helpBrowser->font(); | ||
| f.setPointSize( fontSize * cfg.preferences.helpZoomFactor ); | ||
| helpBrowser->setFont( f ); | ||
| } | ||
| } | ||
|
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| } // namespace Help |
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