Merge 15b918eb6a into c7d0feb2e8

clean: remove redundant gd::toWString

.git-blame-ignore-revs

@@ -15,3 +15,6 @@ a11c9e3aeca4329e1982d8fe26bacbb21ab50ddf
 
 # mass apply clang-tidy's modernize-use-using
 d15081e723756eef053550dc9e06e31d7828dec3
+
+# remove gd::toWString
+c8af0450f1f7f8188004db96e3f53e7e33e2ccad

cmake/Deps_Unix.cmake

@@ -3,11 +3,6 @@
 if (APPLE)
     # old & new homebrew's include paths
     target_include_directories(${GOLDENDICT} PRIVATE /usr/local/include /opt/homebrew/include)
-
-    # libzim depends on ICU, but the ICU from homebrew is "key-only", we need to manually prioritize it
-    # See `brew info icu4c` if this no longer works
-    # Note: Remove icu4c@75 if it fails again
-    set(ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:/usr/local/opt/icu4c@75/lib/pkgconfig:/opt/homebrew/opt/icu4c@75/lib/pkgconfig:/usr/local/opt/icu4c/lib/pkgconfig:/opt/homebrew/opt/icu4c/lib/pkgconfig")
 endif ()
 
 target_include_directories(${GOLDENDICT} PRIVATE
@@ -82,13 +77,31 @@ if (WITH_EPWING_SUPPORT)
 endif ()
 
 if (WITH_ZIM)
+    if (APPLE)
+        # ICU from homebrew is "key-only", we need to manually prioritize it -> see `brew info icu4c`
+        set(ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:/usr/local/opt/icu4c@76/lib/pkgconfig:/opt/homebrew/opt/icu4c@76/lib/pkgconfig:/usr/local/opt/icu4c/lib/pkgconfig:/opt/homebrew/opt/icu4c/lib/pkgconfig")
+    endif ()
+
     pkg_check_modules(ZIM REQUIRED IMPORTED_TARGET libzim)
     target_link_libraries(${GOLDENDICT} PRIVATE PkgConfig::ZIM)
+
     if (APPLE)
-        # For some reason, icu4c as transitive dependency of libzim may not be copied into app bundle,
-        # so we directly depends on it to help macdeployqt or whatever
-        pkg_check_modules(BREW_ICU_FOR_LIBZIM_FORCE_LINK REQUIRED IMPORTED_TARGET icu-i18n icu-uc)
-        target_link_libraries(${GOLDENDICT} PUBLIC PkgConfig::BREW_ICU_FOR_LIBZIM_FORCE_LINK)
+        # icu4c as transitive dependency of libzim may not be copied into app bundle, so we directly depends on it to assist macdeployqt
+        # Why such complexities: 1) System or XCode SDKS's icu exists 2) icu itself is depended by various stuffs and homebrew may need multiple versions of it
+        pkg_check_modules(BREW_ICU REQUIRED IMPORTED_TARGET icu-i18n icu-uc)
+        target_link_libraries(${GOLDENDICT} PUBLIC PkgConfig::BREW_ICU)
+
+        # Verify icu <-> zim matches
+        message("Zim include dirs -> ${ZIM_INCLUDE_DIRS}")
+        message("Homebrew icu include dirs-> ${BREW_ICU_INCLUDE_DIRS}")
+
+        list(GET BREW_ICU_INCLUDE_DIRS 0 ONE_OF_BREW_ICU_INCLUDE_DIR)
+        if (ONE_OF_BREW_ICU_INCLUDE_DIR IN_LIST ZIM_INCLUDE_DIRS)
+            message("ZIM OK!")
+        else ()
+            message(FATAL_ERROR "!!!! ZIM <-> icu error -> check `brew info libzim` and `brew list libzim`")
+        endif ()
+        # TODO: get rid of these 💩, how?
     endif ()
 endif ()
 

src/article_maker.cc

@@ -521,7 +521,7 @@ void ArticleRequest::altSearchFinished()
 
     vector< wstring > altsVector( alts.begin(), alts.end() );
 
-    wstring wordStd = gd::toWString( word );
+    wstring wordStd = word.toStdU32String();
 
     if ( activeDicts.size() <= 1 ) {
       articleSizeLimit = -1; // Don't collapse article if only one dictionary presented

src/audio/audiooutput.cc

@@ -6,11 +6,7 @@
 #include <QWaitCondition>
 #include <QCoreApplication>
 #include <QThreadPool>
-#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
-  #include <QAudioOutput>
-#else
-  #include <QAudioSink>
-#endif
+#include <QAudioSink>
 #include <QtGlobal>
 #include <QBuffer>
 
@@ -23,18 +19,7 @@ static QAudioFormat format( int sampleRate, int channelCount )
 
   out.setSampleRate( sampleRate );
   out.setChannelCount( channelCount );
-#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
-  out.setByteOrder( QAudioFormat::LittleEndian );
-  out.setCodec( QLatin1String( "audio/pcm" ) );
-#endif
-
-#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
-  out.setSampleSize( 16 );
-  out.setSampleType( QAudioFormat::SignedInt );
-#else
   out.setSampleFormat( QAudioFormat::Int16 );
-#endif
-
 
   return out;
 }
@@ -50,11 +35,8 @@ public:
 
   QFuture< void > audioPlayFuture;
 
-#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
-  using AudioOutput = QAudioOutput;
-#else
   using AudioOutput = QAudioSink;
-#endif
+
   AudioOutput * audioOutput = nullptr;
   QByteArray buffer;
   qint64 offset = 0;
@@ -185,11 +167,7 @@ AudioOutput::AudioOutput( QObject * parent ):
   QObject( parent ),
   d_ptr( new AudioOutputPrivate )
 {
-#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
-  d_ptr->audioPlayFuture = QtConcurrent::run( &d_ptr->threadPool, d_ptr.data(), &AudioOutputPrivate::doPlayAudio );
-#else
   d_ptr->audioPlayFuture = QtConcurrent::run( &d_ptr->threadPool, &AudioOutputPrivate::doPlayAudio, d_ptr.data() );
-#endif
 }
 
 void AudioOutput::setAudioFormat( int sampleRate, int channels )

src/audio/ffmpegaudio.cc

@@ -2,27 +2,14 @@
 
   #include "audiooutput.hh"
   #include "ffmpegaudio.hh"
-
-  #include <errno.h>
-
-extern "C" {
-  #include <libavcodec/avcodec.h>
-  #include <libavformat/avformat.h>
-  #include <libavutil/avutil.h>
-  #include "libswresample/swresample.h"
-}
-
-  #include <QString>
-  #include <QDataStream>
-
-  #include <vector>
-  #if ( QT_VERSION >= QT_VERSION_CHECK( 6, 2, 0 ) )
-    #include <QMediaDevices>
-
-    #include <QAudioDevice>
-  #endif
   #include "gddebug.hh"
   #include "utils.hh"
+  #include <QAudioDevice>
+  #include <QDataStream>
+  #include <QMediaDevices>
+  #include <QString>
+  #include <errno.h>
+  #include <vector>
 
 using std::vector;
 
@@ -284,14 +271,11 @@ void DecoderContext::closeCodec()
 
 bool DecoderContext::openOutputDevice( QString & errorString )
 {
-  // only check device when qt version is greater than 6.2
-  #if ( QT_VERSION >= QT_VERSION_CHECK( 6, 2, 0 ) )
   QAudioDevice m_outputDevice = QMediaDevices::defaultAudioOutput();
   if ( m_outputDevice.isNull() ) {
     errorString += QString( "Can not found default audio output device" );
     return false;
   }
-  #endif
 
   if ( audioOutput == nullptr ) {
     errorString += QStringLiteral( "Failed to create audioOutput." );

src/audio/ffmpegaudio.hh

@@ -1,27 +1,24 @@
 #pragma once
 
 #ifdef MAKE_FFMPEG_PLAYER
-  #include "audiooutput.hh"
-  #include <QObject>
-  #include <QMutex>
-  #include <QByteArray>
-  #include <QThread>
+
 extern "C" {
   #include <libavcodec/avcodec.h>
   #include <libavformat/avformat.h>
   #include <libavutil/avutil.h>
   #include "libswresample/swresample.h"
 }
-
-  #include <QString>
+  #include "audiooutput.hh"
+  #include <QObject>
+  #include <QMutex>
+  #include <QByteArray>
+  #include <QThread>
+  #include <QAudioDevice>
   #include <QDataStream>
-
+  #include <QMediaDevices>
+  #include <QString>
   #include <vector>
-  #if ( QT_VERSION >= QT_VERSION_CHECK( 6, 2, 0 ) )
-    #include <QMediaDevices>
 
-    #include <QAudioDevice>
-  #endif
 using std::vector;
 namespace Ffmpeg {
 class DecoderThread;

src/audio/multimediaaudioplayer.cc

@@ -4,29 +4,18 @@
 #ifdef MAKE_QTMULTIMEDIA_PLAYER
 
   #include <QByteArray>
-  #if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
-    #include <QMediaContent>
-  #endif
-  #if ( QT_VERSION > QT_VERSION_CHECK( 6, 2, 0 ) )
-    #include <QAudioDevice>
-  #endif
+  #include <QAudioDevice>
   #include "multimediaaudioplayer.hh"
 
   #include <QDebug>
 
 MultimediaAudioPlayer::MultimediaAudioPlayer()
-  #if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
-  :
-  player( 0, QMediaPlayer::StreamPlayback )
-  #endif
 {
   player.setAudioOutput( &audioOutput );
 
   connect( &player, &QMediaPlayer::errorChanged, this, &MultimediaAudioPlayer::onMediaPlayerError );
 
-  #if ( QT_VERSION > QT_VERSION_CHECK( 6, 2, 0 ) )
   connect( &mediaDevices, &QMediaDevices::audioOutputsChanged, this, &MultimediaAudioPlayer::audioOutputChange );
-  #endif
 }
 
 void MultimediaAudioPlayer::audioOutputChange()
@@ -42,15 +31,11 @@ QString MultimediaAudioPlayer::play( const char * data, int size )
   if ( !audioBuffer->open( QIODevice::ReadOnly ) ) {
     return tr( "Couldn't open audio buffer for reading." );
   }
-  #if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
   player.setSourceDevice( audioBuffer );
-    #if ( QT_VERSION > QT_VERSION_CHECK( 6, 2, 0 ) )
+
   audioOutput.setDevice( QMediaDevices::defaultAudioOutput() );
   player.setAudioOutput( &audioOutput );
-    #endif
-  #else
-  player.setMedia( QMediaContent(), audioBuffer );
-  #endif
+
   player.play();
   return {};
 }
@@ -58,9 +43,7 @@ QString MultimediaAudioPlayer::play( const char * data, int size )
 void MultimediaAudioPlayer::stop()
 {
   player.stop();
-  #if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
-  player.setMedia( QMediaContent() ); // Forget about audioBuffer.
-  #endif
+
   if ( audioBuffer ) {
     audioBuffer->close();
     audioBuffer->setData( QByteArray() ); // Free memory.

src/audio/multimediaaudioplayer.hh

@@ -5,15 +5,11 @@
 
 #ifdef MAKE_QTMULTIMEDIA_PLAYER
 
-  #include <QBuffer>
-  #include <QMediaPlayer>
   #include "audioplayerinterface.hh"
-  #if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
-    #include <QAudioOutput>
-  #endif
-  #if ( QT_VERSION >= QT_VERSION_CHECK( 6, 2, 0 ) )
-    #include <QMediaDevices>
-  #endif
+  #include <QAudioOutput>
+  #include <QBuffer>
+  #include <QMediaDevices>
+  #include <QMediaPlayer>
   #include <QPointer>
 
 class MultimediaAudioPlayer: public AudioPlayerInterface
@@ -34,12 +30,8 @@ private slots:
 private:
   QPointer< QBuffer > audioBuffer;
   QMediaPlayer player; ///< Depends on audioBuffer.
-  #if ( QT_VERSION >= QT_VERSION_CHECK( 6, 2, 0 ) )
   QAudioOutput audioOutput;
-  #endif
-  #if ( QT_VERSION >= QT_VERSION_CHECK( 6, 2, 0 ) )
   QMediaDevices mediaDevices;
-  #endif
 };
 
 #endif // MAKE_QTMULTIMEDIA_PLAYER

src/common/folding.cc

@@ -20,41 +20,23 @@ bool isCombiningMark( wchar ch )
 
 wstring apply( wstring const & in, bool preserveWildcards )
 {
-  //remove space and accent;
-  auto withPunc = QString::fromStdU32String( in )
-                    .normalized( QString::NormalizationForm_KD )
-                    .remove( RX::markSpace )
-                    .toStdU32String();
-
-  //First, strip diacritics and apply ws/punctuation removal
-  wstring withoutDiacritics;
-
-  withoutDiacritics.reserve( withPunc.size() );
-
-
-  for ( auto const & ch : withPunc ) {
-
-    if ( !isPunct( ch )
-         || ( preserveWildcards && ( ch == '\\' || ch == '?' || ch == '*' || ch == '[' || ch == ']' ) ) ) {
-      withoutDiacritics.push_back( ch );
-    }
-  }
-
-
-  // Now, fold the case
-
-  wstring caseFolded;
-
-  caseFolded.reserve( withoutDiacritics.size() * foldCaseMaxOut );
-
-  wchar const * nextChar = withoutDiacritics.data();
-
+  // remove diacritics (normalization), white space, punt,
+  auto temp = QString::fromStdU32String( in )
+                .normalized( QString::NormalizationForm_KD )
+                .remove( RX::markSpace )
+                .removeIf( [ preserveWildcards ]( const QChar & ch ) -> bool {
+                  return ch.isPunct()
+                    && !( preserveWildcards && ( ch == '\\' || ch == '?' || ch == '*' || ch == '[' || ch == ']' ) );
+                } )
+                .toStdU32String();
+  // case folding
+  std::u32string caseFolded;
+  caseFolded.reserve( temp.size() );
   wchar buf[ foldCaseMaxOut ];
-
-  for ( size_t left = withoutDiacritics.size(); left--; ) {
-    caseFolded.append( buf, foldCase( *nextChar++, buf ) );
+  for ( const char32_t ch : temp ) {
+    auto n = foldCase( ch, buf );
+    caseFolded.append( buf, n );
   }
-
   return caseFolded;
 }
 

src/common/gddebug.cc

@@ -1,14 +1,10 @@
 /* This file is (c) 2013 Abs62
  * Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
 
-#include <QString>
 #include "gddebug.hh"
 #include <QDebug>
-#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
-  #include <QtCore5Compat/QTextCodec>
-#else
-  #include <QTextCodec>
-#endif
+#include <QString>
+#include <QtCore5Compat/QTextCodec>
 
 QFile * logFilePtr;
 

src/common/iconv.cc

@@ -93,7 +93,7 @@ gd::wstring Iconv::toWstring( char const * fromEncoding, void const * fromData,
   Iconv ic( fromEncoding );
 
   QString outStr = ic.convert( fromData, dataSize );
-  return gd::toWString( outStr );
+  return outStr.toStdU32String();
 }
 
 std::string Iconv::toUtf8( char const * fromEncoding, void const * fromData, size_t dataSize )

src/common/wildcard.cc

@@ -9,11 +9,6 @@
 
 QString wildcardsToRegexp( const QString & wc_str )
 {
-#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
-  //qt 5.X does not offer an unanchored version. the default output is enclosed between \A   \z.
-  auto anchorPattern = QRegularExpression::wildcardToRegularExpression( wc_str );
-  return anchorPattern.mid( 2, anchorPattern.length() - 4 );
-#else
+  // The "anchored" version will enclose the output with \A...\z.
   return QRegularExpression::wildcardToRegularExpression( wc_str, QRegularExpression::UnanchoredWildcardConversion );
-#endif
 }

src/common/wstring_qt.cc

@@ -2,10 +2,6 @@
 #include <QList>
 
 namespace gd {
-wstring toWString( QString const & in )
-{
-  return in.toStdU32String();
-}
 
 // When convert non-BMP characters to wstring,the ending char maybe \0 .This method remove the tailing \0 from the wstring
 // as \0 is sensitive in the index.  This method will be only used with index related operations like store/query.
@@ -35,7 +31,7 @@ wstring removeTrailingZero( QString const & in )
 
 wstring normalize( const wstring & str )
 {
-  return toWString( QString::fromStdU32String( str ).normalized( QString::NormalizationForm_C ) );
+  return QString::fromStdU32String( str ).normalized( QString::NormalizationForm_C ).toStdU32String();
 }
 
 

src/common/wstring_qt.hh

@@ -10,7 +10,6 @@
 #include <QString>
 
 namespace gd {
-wstring toWString( QString const & );
 wstring removeTrailingZero( wstring const & v );
 wstring removeTrailingZero( QString const & in );
 wstring normalize( wstring const & );

src/config.cc

@@ -201,6 +201,7 @@ Preferences::Preferences():
   doubleClickTranslates( true ),
   selectWordBySingleClick( false ),
   autoScrollToTargetArticle( true ),
+  targetArticleAtFirst( false ),
   escKeyHidesMainWindow( false ),
   alwaysOnTop( false ),
   searchInDock( false ),
@@ -929,6 +930,11 @@ Class load()
         ( preferences.namedItem( "autoScrollToTargetArticle" ).toElement().text() == "1" );
     }
 
+    if ( !preferences.namedItem( "targetArticleAtFirst" ).isNull() ) {
+      c.preferences.targetArticleAtFirst =
+        ( preferences.namedItem( "targetArticleAtFirst" ).toElement().text() == "1" );
+    }
+
     if ( !preferences.namedItem( "escKeyHidesMainWindow" ).isNull() ) {
       c.preferences.escKeyHidesMainWindow =
         ( preferences.namedItem( "escKeyHidesMainWindow" ).toElement().text() == "1" );
@@ -1866,6 +1872,10 @@ void save( Class const & c )
     opt.appendChild( dd.createTextNode( c.preferences.autoScrollToTargetArticle ? "1" : "0" ) );
     preferences.appendChild( opt );
 
+    opt = dd.createElement( "targetArticleAtFirst" );
+    opt.appendChild( dd.createTextNode( c.preferences.targetArticleAtFirst ? "1" : "0" ) );
+    preferences.appendChild( opt );
+
     opt = dd.createElement( "escKeyHidesMainWindow" );
     opt.appendChild( dd.createTextNode( c.preferences.escKeyHidesMainWindow ? "1" : "0" ) );
     preferences.appendChild( opt );

src/config.hh

@@ -356,6 +356,7 @@ struct Preferences
   bool doubleClickTranslates;
   bool selectWordBySingleClick;
   bool autoScrollToTargetArticle;
+  bool targetArticleAtFirst;
   bool escKeyHidesMainWindow;
   bool alwaysOnTop;
 
@@ -492,7 +493,7 @@ struct WebSite
   QString id, name, url;
   bool enabled;
   QString iconFilename;
-  bool inside_iframe;
+  bool inside_iframe = false;
 
   WebSite():
     enabled( false )
@@ -698,7 +699,7 @@ struct Transliteration
 
 struct Lingua
 {
-  bool enable;
+  bool enable = false;
   QString languageCodes;
 
   bool operator==( Lingua const & other ) const
@@ -737,13 +738,16 @@ struct Forvo
 struct Program
 {
   bool enabled;
+  // NOTE: the value of this enum is used for config
   enum Type {
-    Audio,
-    PlainText,
-    Html,
-    PrefixMatch,
-    MaxTypeValue
-  } type;
+    Invalid      = -1, // Init value
+    Audio        = 0,
+    PlainText    = 1,
+    Html         = 2,
+    PrefixMatch  = 3,
+    MaxTypeValue = 4
+  };
+  Type type = Invalid;
   QString id, name, commandLine;
   QString iconFilename;
 
@@ -892,7 +896,7 @@ struct Class
   QString articleSavePath;   // Path to save articles
 
   bool pinPopupWindow;         // Last pin status
-  bool popupWindowAlwaysOnTop; // Last status of pinned popup window
+  bool popupWindowAlwaysOnTop = false; // Last status of pinned popup window
 
   QByteArray mainWindowState;    // Binary state saved by QMainWindow
   QByteArray mainWindowGeometry; // Geometry saved by QMainWindow
@@ -929,7 +933,7 @@ struct Class
   Group const * getGroup( unsigned id ) const;
   //disable tts dictionary. does not need to save to persistent file
   bool notts = false;
-  bool resetState;
+  bool resetState = false;
 };
 
 /// Configuration-specific events. Some parts of the program need to react

src/dict/btreeidx.hh

@@ -45,9 +45,9 @@ DEF_EX( exCorruptedChainData, "Corrupted chain data in the leaf of a btree encou
 struct WordArticleLink
 {
   string word, prefix; // in utf8
-  uint32_t articleOffset;
+  uint32_t articleOffset = 0;
 
-  WordArticleLink() {}
+  WordArticleLink() = default;
 
   WordArticleLink( string const & word_, uint32_t articleOffset_, string const & prefix_ = string() ):
     word( word_ ),

src/dict/dictserver.cc

@@ -424,7 +424,7 @@ public:
       if ( countn ) {
         QMutexLocker _( &dataMutex );
         for ( int x = 0; x < countn; x++ ) {
-          matches.emplace_back( gd::toWString( matchesList.at( x ) ) );
+          matches.emplace_back( matchesList.at( x ).toStdU32String() );
         }
       }
       finish();
@@ -538,11 +538,13 @@ void DictServerWordSearchRequest::readMatchData( QByteArray & reply )
       if ( word.endsWith( '\"' ) ) {
         word.chop( 1 );
       }
-      if ( word[ 0 ] == '\"' ) {
-        word = word.mid( 1 );
+      if ( word.startsWith( '\"' ) ) {
+        word = word.remove( 0, 1 );
       }
 
-      this->addMatchedWord( word );
+      if ( !word.isEmpty() ) {
+        this->addMatchedWord( word );
+      }
     }
 
     reply = this->dictImpl->socket.readLine();

src/dict/dsl.cc

@@ -540,7 +540,7 @@ void DslDictionary::loadArticle( uint32_t address,
 
     if ( !articleBody ) {
       //      throw exCantReadFile( getDictionaryFilenames()[ 0 ] );
-      articleData = U"\n\r\t" + gd::toWString( QString( "DICTZIP error: " ) + dict_error_str( dz ) );
+      articleData = U"\n\r\tDICTZIP error: " + QString( dict_error_str( dz ) ).toStdU32String();
     }
     else {
       try {
@@ -966,7 +966,7 @@ string DslDictionary::nodeToHtml( ArticleDom::Node const & node )
         if ( n >= 0 ) {
           int n2 = attr.indexOf( '\"', n + 6 );
           if ( n2 > 0 ) {
-            quint32 id = dslLanguageToId( gd::toWString( attr.mid( n + 6, n2 - n - 6 ) ) );
+            quint32 id = dslLanguageToId( attr.mid( n + 6, n2 - n - 6 ).toStdU32String() );
             langcode   = LangCoder::intToCode2( id ).toStdString();
           }
         }
@@ -1089,7 +1089,7 @@ QString const & DslDictionary::getDescription()
       for ( ;; ) {
         data.clear();
         langStr = str.mid( 10 ).replace( '\"', ' ' ).trimmed();
-        annLang = LangCoder::findIdForLanguage( gd::toWString( langStr ) );
+        annLang = LangCoder::findIdForLanguage( langStr.toStdU32String() );
         do {
           str = annStream.readLine();
           if ( str.left( 10 ).compare( "#LANGUAGE " ) == 0 ) {
@@ -1391,7 +1391,7 @@ void DslDictionary::getArticleText( uint32_t articleAddress, QString & headword,
 
     if ( haveInsidedCards ) {
       // Use base DSL parser for articles with insided cards
-      ArticleDom dom( gd::toWString( text ), getName(), articleHeadword );
+      ArticleDom dom( text.toStdU32String(), getName(), articleHeadword );
       text = QString::fromStdU32String( dom.root.renderAsText( true ) );
     }
     else {

src/dict/dsl_details.hh

@@ -9,11 +9,7 @@
 #include <zlib.h>
 #include "dictionary.hh"
 #include "iconv.hh"
-#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
-  #include <QtCore5Compat/QTextCodec>
-#else
-  #include <QTextCodec>
-#endif
+#include <QtCore5Compat/QTextCodec>
 #include <QByteArray>
 #include "utf8.hh"
 

src/dict/epwing.cc

@@ -994,7 +994,7 @@ void EpwingWordSearchRequest::findMatches()
     QMutexLocker _( &dataMutex );
 
     for ( const auto & headword : headwords )
-      addMatch( gd::toWString( headword ) );
+      addMatch( headword.toStdU32String() );
 
     break;
   }
@@ -1047,7 +1047,7 @@ void addWordToChunks( Epwing::Book::EpwingHeadword & head,
     chunks.addToBlock( &head.page, sizeof( head.page ) );
     chunks.addToBlock( &head.offset, sizeof( head.offset ) );
 
-    wstring hw = gd::toWString( head.headword );
+    wstring hw = head.headword.toStdU32String();
 
     indexedWords.addWord( hw, offset );
     wordCount++;

src/dict/epwing_book.cc

@@ -541,11 +541,7 @@ bool EpwingBook::setSubBook( int book_nom )
   QFile f( fileName );
   if ( f.open( QFile::ReadOnly | QFile::Text ) ) {
     QTextStream ts( &f );
-  #if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
-    ts.setCodec( "UTF-8" );
-  #else
     ts.setEncoding( QStringConverter::Utf8 );
-  #endif
 
     QString line = ts.readLine();
     while ( !line.isEmpty() ) {
@@ -1141,7 +1137,7 @@ void EpwingBook::fixHeadword( QString & headword )
   //  return;
   //}
 
-  gd::wstring folded = Folding::applyPunctOnly( gd::toWString( fixed ) );
+  gd::wstring folded = Folding::applyPunctOnly( fixed.toStdU32String() );
   //fixed = QString::fromStdU32String( folded );
 
   //if( isHeadwordCorrect( fixed ) )

src/dict/epwing_book.hh

@@ -16,12 +16,7 @@
 #endif
 
 #include <QString>
-#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
-  #include <QtCore5Compat/QTextCodec>
-#else
-  #include <QTextCodec>
-#endif
-
+#include <QtCore5Compat/QTextCodec>
 
 #ifdef _MSC_VER
   #include <stub_msvc.h>

src/dict/gls.cc

@@ -32,11 +32,8 @@
 #include <QBuffer>
 
 #include <QRegularExpression>
-#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
-  #include <QtCore5Compat/QTextCodec>
-#else
-  #include <QTextCodec>
-#endif
+#include <QtCore5Compat/QTextCodec>
+
 #include <string>
 #include <list>
 #include <map>

src/dict/hunspell.cc

@@ -413,7 +413,7 @@ QList< wstring > suggest( wstring & word, QMutex & hunspellMutex, Hunspell & hun
 
         auto match = cutStem.match( suggestion.trimmed() );
         if ( match.hasMatch() ) {
-          wstring alt = gd::toWString( match.captured( 1 ) );
+          wstring alt = match.captured( 1 ).toStdU32String();
 
           if ( Folding::applySimpleCaseOnly( alt ) != lowercasedWord ) // No point in providing same word
           {
@@ -643,7 +643,7 @@ wstring decodeFromHunspell( Hunspell & hunspell, char const * str )
   size_t outLeft = result.size() * sizeof( wchar );
 
   QString convStr = conv.convert( in, inLeft );
-  return gd::toWString( convStr );
+  return convStr.toStdU32String();
 }
 } // namespace
 

src/dict/mdictparser.cc

@@ -32,11 +32,8 @@
 #include <QDomDocument>
 #include <QTextDocumentFragment>
 #include <QDataStream>
-#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
-  #include <QtCore5Compat/QTextCodec>
-#else
-  #include <QTextCodec>
-#endif
+#include <QtCore5Compat/QTextCodec>
+
 #include "decompress.hh"
 #include "gddebug.hh"
 #include "ripemd.hh"

src/dict/mdx.cc

@@ -785,7 +785,7 @@ void MddResourceRequest::run()
         data.push_back( '\0' );
         QString target =
           MdictParser::toUtf16( "UTF-16LE", &data.front() + sizeof( pattern ), data.size() - sizeof( pattern ) );
-        resourceName = gd::toWString( target.trimmed() );
+        resourceName = target.trimmed().toStdU32String();
         continue;
       }
     }
@@ -1200,7 +1200,7 @@ QString MdxDictionary::getCachedFileName( QString filename )
       data.push_back( '\0' );
       QString target =
         MdictParser::toUtf16( "UTF-16LE", &data.front() + sizeof( pattern ), data.size() - sizeof( pattern ) );
-      resourceName = gd::toWString( target.trimmed() );
+      resourceName = target.trimmed().toStdU32String();
       continue;
     }
     break;
@@ -1249,14 +1249,14 @@ static void addEntryToIndex( QString const & word, uint32_t offset, IndexedWords
 {
   // Strip any leading or trailing whitespaces
   QString wordTrimmed = word.trimmed();
-  indexedWords.addWord( gd::toWString( wordTrimmed ), offset );
+  indexedWords.addWord( wordTrimmed.toStdU32String(), offset );
 }
 
 static void addEntryToIndexSingle( QString const & word, uint32_t offset, IndexedWords & indexedWords )
 {
   // Strip any leading or trailing whitespaces
   QString wordTrimmed = word.trimmed();
-  indexedWords.addSingleWord( gd::toWString( wordTrimmed ), offset );
+  indexedWords.addSingleWord( wordTrimmed.toStdU32String(), offset );
 }
 
 class ArticleHandler: public MdictParser::RecordHandler

src/dict/mediawiki.cc

@@ -223,7 +223,7 @@ void MediaWikiWordSearchRequest::downloadFinished()
 
         qDebug() << "matches" << matches.size();
         for ( int x = 0; x < nl.length(); ++x ) {
-          matches.emplace_back( gd::toWString( nl.item( x ).toElement().attribute( "title" ) ) );
+          matches.emplace_back( nl.item( x ).toElement().attribute( "title" ).toStdU32String() );
         }
       }
     }

src/dict/programs.cc

@@ -334,7 +334,7 @@ void ProgramWordSearchRequest::instanceFinished( QByteArray output, QString erro
     QStringList result = QString::fromUtf8( output ).split( "\n", Qt::SkipEmptyParts );
 
     for ( const auto & x : result ) {
-      matches.push_back( Dictionary::WordMatch( gd::toWString( x ) ) );
+      matches.push_back( Dictionary::WordMatch( x.toStdU32String() ) );
     }
 
     if ( !error.isEmpty() ) {

src/dict/sdict.cc

@@ -1,36 +1,31 @@
 /* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
  * Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
 
-#include "sdict.hh"
 #include "btreeidx.hh"
-#include "folding.hh"
-#include "utf8.hh"
 #include "chunkedstorage.hh"
-#include "langcoder.hh"
-#include "gddebug.hh"
-
 #include "decompress.hh"
-#include "htmlescape.hh"
+#include "folding.hh"
 #include "ftshelpers.hh"
-
+#include "gddebug.hh"
+#include "htmlescape.hh"
+#include "langcoder.hh"
+#include "sdict.hh"
+#include "utf8.hh"
 #include <map>
+#include <QAtomicInt>
+#include <QRegularExpression>
+#include <QSemaphore>
+#include <QString>
 #include <set>
 #include <string>
 
+#include "utils.hh"
+
+
 #ifdef _MSC_VER
   #include <stub_msvc.h>
 #endif
 
-#include <QString>
-#include <QSemaphore>
-#include <QAtomicInt>
-#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
-  #include <QtCore5Compat>
-#endif
-#include <QRegularExpression>
-
-#include "utils.hh"
-
 namespace Sdict {
 
 using std::map;

src/dict/slob.cc

@@ -1315,10 +1315,10 @@ vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > const & f
                || contentType.startsWith( "text/plain", Qt::CaseInsensitive ) ) {
             //Article
             if ( maxHeadwordsToExpand && entries > maxHeadwordsToExpand ) {
-              indexedWords.addSingleWord( gd::toWString( refEntry.key ), offsets[ i ].second );
+              indexedWords.addSingleWord( refEntry.key.toStdU32String(), offsets[ i ].second );
             }
             else {
-              indexedWords.addWord( gd::toWString( refEntry.key ), offsets[ i ].second );
+              indexedWords.addWord( refEntry.key.toStdU32String(), offsets[ i ].second );
             }
 
             wordCount += 1;
@@ -1330,7 +1330,7 @@ vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > const & f
             }
           }
           else {
-            indexedResources.addSingleWord( gd::toWString( refEntry.key ), offsets[ i ].second );
+            indexedResources.addSingleWord( refEntry.key.toStdU32String(), offsets[ i ].second );
           }
         }
         sf.clearRefOffsets();

src/dict/sounddir.cc

@@ -409,7 +409,7 @@ void addDir( QDir const & baseDir,
       const uint32_t articleOffset = chunks.startNewBlock();
       chunks.addToBlock( fileName.c_str(), fileName.size() + 1 );
 
-      wstring name = gd::toWString( i->fileName() );
+      wstring name = i->fileName().toStdU32String();
 
       const wstring::size_type pos = name.rfind( L'.' );
 

src/dict/utils/indexedzip.cc

@@ -8,11 +8,8 @@
 #include "utf8.hh"
 #include "iconv.hh"
 #include "wstring_qt.hh"
-#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
-  #include <QtCore5Compat/QTextCodec>
-#else
-  #include <QTextCodec>
-#endif
+#include <QtCore5Compat/QTextCodec>
+
 #include <QMutexLocker>
 
 using namespace BtreeIndexing;
@@ -214,7 +211,7 @@ bool IndexedZip::indexFile( BtreeIndexing::IndexedWords & zipFileNames, quint32
         // System locale
         if ( localeCodec ) {
           QString name       = localeCodec->toUnicode( entry.fileName.constData(), entry.fileName.size() );
-          nameInSystemLocale = gd::toWString( name );
+          nameInSystemLocale = name.toStdU32String();
           if ( !nameInSystemLocale.empty() ) {
             zipFileNames.addSingleWord( nameInSystemLocale, entry.localHeaderOffset );
 

src/dict/xdxf.cc

@@ -903,7 +903,7 @@ void indexArticle( GzippedFile & gzFile,
         // Add words to index
 
         for ( const auto & word : words ) {
-          indexedWords.addWord( gd::toWString( word ), offset );
+          indexedWords.addWord( word.toStdU32String(), offset );
         }
 
         ++articleCount;
@@ -1226,7 +1226,7 @@ vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > const & f
                         while ( !( stream.isEndElement() && stream.name() == u"abbr_def" ) || !stream.atEnd() ) {
                           if ( stream.isStartElement() && stream.name() == u"abbr_k" ) {
                             s = readElementText( stream );
-                            keys.push_back( gd::toWString( s ) );
+                            keys.push_back( s.toStdU32String() );
                           }
                           else if ( stream.isStartElement() && stream.name() == u"abbr_v" ) {
                             s     = readElementText( stream );
@@ -1246,7 +1246,7 @@ vector< sptr< Dictionary::Class > > makeDictionaries( vector< string > const & f
                         while ( !( stream.isEndElement() && stream.name() == u"abr_def" ) || !stream.atEnd() ) {
                           if ( stream.isStartElement() && stream.name() == u"k" ) {
                             s = readElementText( stream );
-                            keys.push_back( gd::toWString( s ) );
+                            keys.push_back( s.toStdU32String() );
                           }
                           else if ( stream.isStartElement() && stream.name() == u"v" ) {
                             s     = readElementText( stream );

src/dict/xdxf2html.cc

@@ -102,8 +102,7 @@ string convert( string const & in,
           }
           break;
         }
-        // Fall-through
-
+        [[fallthrough]];
       default:
         inConverted.push_back( i );
         afterEol = false;
@@ -630,7 +629,7 @@ string convert( string const & in,
 
     //    if( type == XDXF && dictPtr != NULL && !el.hasAttribute( "start" ) )
     if ( dictPtr != NULL && !el.hasAttribute( "start" ) ) {
-      string filename = Utf8::encode( gd::toWString( el.text() ) );
+      string filename = Utf8::encode( el.text().toStdU32String() );
 
       if ( Filetype::isNameOfPicture( filename ) ) {
         QUrl url;

src/hotkeywrapper.cc

@@ -1,17 +1,10 @@
-#ifdef __WIN32 // Q_OS_WIN32 isn't available at this point
-  #define _WIN32_WINNT 0x0430
-  #include <windows.h>
-#endif
-
 #include "hotkeywrapper.hh"
 #include "gddebug.hh"
-
-#include <QSessionManager>
 #include <QTimer>
+#include <QSessionManager>
 #include <QWidget>
-
 #ifdef Q_OS_WIN
-  #include "mainwindow.hh"
+  #include <windows.h>
 #endif
 
 //////////////////////////////////////////////////////////////////////////
@@ -100,11 +93,6 @@ HotkeyStruct::HotkeyStruct( quint32 key_, quint32 key2_, quint32 modifier_, int
   modifier( modifier_ ),
   handle( handle_ ),
   id( id_ )
-#ifdef Q_OS_MAC
-  ,
-  hkRef( 0 ),
-  hkRef2( 0 )
-#endif
 {
 }
 
@@ -115,14 +103,7 @@ HotkeyWrapper::HotkeyWrapper( QObject * parent ):
   QThread( parent ),
   state2( false )
 {
-  #ifdef Q_OS_WIN
-  hwnd = (HWND)( ( static_cast< QMainWindow * >( parent ) )->winId() );
-
-  gdDebug( "Handle global hotkeys via RegisterHotkey()" );
-
-  #else
   init();
-  #endif
   ( static_cast< QHotkeyApplication * >( qApp ) )->registerWrapper( this );
 }
 
@@ -164,7 +145,8 @@ bool HotkeyWrapper::checkState( quint32 vk, quint32 mod )
     if ( hs.key == vk && hs.modifier == mod ) {
 
   #ifdef Q_OS_WIN32
-
+      // If that was a copy-to-clipboard shortcut, re-emit it back so it could
+      // reach its original destination so it could be acted upon.
       if ( hs.key2 != 0 || ( mod == MOD_CONTROL && ( vk == VK_INSERT || vk == 'c' || vk == 'C' ) ) ) {
         // Pass-through first part of compound hotkey or clipdoard copy command
 
@@ -270,262 +252,8 @@ bool HotkeyWrapper::checkState( quint32 vk, quint32 mod )
   return false;
 }
 
-//////////////////////////////////////////////////////////////////////////
 
-  #ifdef Q_OS_WIN
-
-void HotkeyWrapper::init()
-{
-  QWidget * root = qApp->topLevelWidgets().value( 0 );
-  hwnd           = (HWND)root->winId();
-}
-
-bool HotkeyWrapper::setGlobalKey( QKeySequence const & seq, int handle )
-{
-  Config::HotKey hk( seq );
-  return setGlobalKey( hk.key1, hk.key2, hk.modifiers, handle );
-}
-
-bool HotkeyWrapper::setGlobalKey( int key, int key2, Qt::KeyboardModifiers modifier, int handle )
-{
-  if ( !key )
-    return false; // We don't monitor empty combinations
-
-  static int id = 0;
-  if ( id > 0xBFFF - 1 )
-    id = 0;
-
-  quint32 mod = 0;
-  if ( modifier & Qt::CTRL )
-    mod |= MOD_CONTROL;
-  if ( modifier & Qt::ALT )
-    mod |= MOD_ALT;
-  if ( modifier & Qt::SHIFT )
-    mod |= MOD_SHIFT;
-  if ( modifier & Qt::META )
-    mod |= MOD_WIN;
-
-  quint32 vk  = nativeKey( key );
-  quint32 vk2 = key2 ? nativeKey( key2 ) : 0;
-
-  hotkeys.append( HotkeyStruct( vk, vk2, mod, handle, id ) );
-
-  if ( !RegisterHotKey( hwnd, id++, mod, vk ) )
-    return false;
-
-  if ( key2 && key2 != key )
-    return RegisterHotKey( hwnd, id++, mod, vk2 );
-
-  return true;
-}
-
-    #if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
-bool HotkeyWrapper::winEvent( MSG * message, long * result )
-    #else
-bool HotkeyWrapper::winEvent( MSG * message, qintptr * result )
-    #endif
-{
-  (void)result;
-  if ( message->message == WM_HOTKEY )
-    return checkState( ( message->lParam >> 16 ), ( message->lParam & 0xffff ) );
-
-  return false;
-}
-
-quint32 HotkeyWrapper::nativeKey( int key )
-{
-  if ( key >= Qt::Key_0 && key <= Qt::Key_9 )
-    return VK_NUMPAD0 + ( key - Qt::Key_0 );
-
-  if ( key >= Qt::Key_A && key <= Qt::Key_Z )
-    return key;
-
-  switch ( key ) {
-    case Qt::Key_Space:
-      return VK_SPACE;
-    case Qt::Key_Asterisk:
-      return VK_MULTIPLY;
-    case Qt::Key_Plus:
-      return VK_ADD;
-    case Qt::Key_Comma:
-      return VK_SEPARATOR;
-    case Qt::Key_Minus:
-      return VK_SUBTRACT;
-    case Qt::Key_Slash:
-      return VK_DIVIDE;
-    case Qt::Key_Tab:
-    case Qt::Key_Backtab:
-      return VK_TAB;
-    case Qt::Key_Backspace:
-      return VK_BACK;
-    case Qt::Key_Return:
-    case Qt::Key_Escape:
-      return VK_ESCAPE;
-    case Qt::Key_Enter:
-      return VK_RETURN;
-    case Qt::Key_Insert:
-      return VK_INSERT;
-    case Qt::Key_Delete:
-      return VK_DELETE;
-    case Qt::Key_Pause:
-      return VK_PAUSE;
-    case Qt::Key_Print:
-      return VK_PRINT;
-    case Qt::Key_Clear:
-      return VK_CLEAR;
-    case Qt::Key_Home:
-      return VK_HOME;
-    case Qt::Key_End:
-      return VK_END;
-    case Qt::Key_Up:
-      return VK_UP;
-    case Qt::Key_Down:
-      return VK_DOWN;
-    case Qt::Key_Left:
-      return VK_LEFT;
-    case Qt::Key_Right:
-      return VK_RIGHT;
-    case Qt::Key_PageUp:
-      return VK_PRIOR;
-    case Qt::Key_PageDown:
-      return VK_NEXT;
-    case Qt::Key_F1:
-      return VK_F1;
-    case Qt::Key_F2:
-      return VK_F2;
-    case Qt::Key_F3:
-      return VK_F3;
-    case Qt::Key_F4:
-      return VK_F4;
-    case Qt::Key_F5:
-      return VK_F5;
-    case Qt::Key_F6:
-      return VK_F6;
-    case Qt::Key_F7:
-      return VK_F7;
-    case Qt::Key_F8:
-      return VK_F8;
-    case Qt::Key_F9:
-      return VK_F9;
-    case Qt::Key_F10:
-      return VK_F10;
-    case Qt::Key_F11:
-      return VK_F11;
-    case Qt::Key_F12:
-      return VK_F12;
-    case Qt::Key_F13:
-      return VK_F13;
-    case Qt::Key_F14:
-      return VK_F14;
-    case Qt::Key_F15:
-      return VK_F15;
-    case Qt::Key_F16:
-      return VK_F16;
-    case Qt::Key_F17:
-      return VK_F17;
-    case Qt::Key_F18:
-      return VK_F18;
-    case Qt::Key_F19:
-      return VK_F19;
-    case Qt::Key_F20:
-      return VK_F20;
-    case Qt::Key_F21:
-      return VK_F21;
-    case Qt::Key_F22:
-      return VK_F22;
-    case Qt::Key_F23:
-      return VK_F23;
-    case Qt::Key_F24:
-      return VK_F24;
-    case Qt::Key_Colon:
-    case Qt::Key_Semicolon:
-      return VK_OEM_1;
-    case Qt::Key_Question:
-      return VK_OEM_2;
-    case Qt::Key_AsciiTilde:
-    case Qt::Key_QuoteLeft:
-      return VK_OEM_3;
-    case Qt::Key_BraceLeft:
-    case Qt::Key_BracketLeft:
-      return VK_OEM_4;
-    case Qt::Key_Bar:
-    case Qt::Key_Backslash:
-      return VK_OEM_5;
-    case Qt::Key_BraceRight:
-    case Qt::Key_BracketRight:
-      return VK_OEM_6;
-    case Qt::Key_QuoteDbl:
-    case Qt::Key_Apostrophe:
-      return VK_OEM_7;
-    case Qt::Key_Less:
-      return VK_OEM_COMMA;
-    case Qt::Key_Greater:
-      return VK_OEM_PERIOD;
-    case Qt::Key_Equal:
-      return VK_OEM_PLUS;
-    case Qt::Key_ParenRight:
-      return 0x30;
-    case Qt::Key_Exclam:
-      return 0x31;
-    case Qt::Key_At:
-      return 0x32;
-    case Qt::Key_NumberSign:
-      return 0x33;
-    case Qt::Key_Dollar:
-      return 0x34;
-    case Qt::Key_Percent:
-      return 0x35;
-    case Qt::Key_AsciiCircum:
-      return 0x36;
-    case Qt::Key_Ampersand:
-      return 0x37;
-    case Qt::Key_copyright:
-      return 0x38;
-    case Qt::Key_ParenLeft:
-      return 0x39;
-    case Qt::Key_Underscore:
-      return VK_OEM_MINUS;
-    default:;
-  }
-
-  return key;
-}
-
-void HotkeyWrapper::unregister()
-{
-  for ( int i = 0; i < hotkeys.count(); i++ ) {
-    HotkeyStruct const & hk = hotkeys.at( i );
-
-    UnregisterHotKey( hwnd, hk.id );
-
-    if ( hk.key2 && hk.key2 != hk.key )
-      UnregisterHotKey( hwnd, hk.id + 1 );
-  }
-
-  ( static_cast< QHotkeyApplication * >( qApp ) )->unregisterWrapper( this );
-}
-
-    #if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
-bool QHotkeyApplication::nativeEventFilter( const QByteArray & /*eventType*/, void * message, long * result )
-    #else
-bool QHotkeyApplication::nativeEventFilter( const QByteArray & /*eventType*/, void * message, qintptr * result )
-    #endif
-{
-  MSG * msg = reinterpret_cast< MSG * >( message );
-
-  if ( msg->message == WM_HOTKEY ) {
-    for ( int i = 0; i < hotkeyWrappers.size(); i++ ) {
-      if ( hotkeyWrappers.at( i )->winEvent( msg, result ) )
-        return true;
-    }
-  }
-
-  return false;
-}
-
-  //////////////////////////////////////////////////////////////////////////
-
-  #else
+  #ifndef Q_OS_WIN
 
   //////////////////////////////////////////////////////////////////////////
 

src/hotkeywrapper.hh

@@ -1,5 +1,12 @@
 #pragma once
 
+/// @file
+/// Handling global hotkeys and some tricks
+/// Part of this header are implmented in
+/// + `winhotkeywrapper.cc`
+/// + `machotkeywrapper.hh`
+///
+
 #include <QGuiApplication>
 #include <QThread>
 
@@ -37,15 +44,17 @@
 
 struct HotkeyStruct
 {
-  HotkeyStruct() {}
+  HotkeyStruct() = default;
   HotkeyStruct( quint32 key, quint32 key2, quint32 modifier, int handle, int id );
 
-  quint32 key, key2;
-  quint32 modifier;
-  int handle;
-  int id;
+  quint32 key      = 0;
+  quint32 key2     = 0;
+  quint32 modifier = 0;
+  int handle       = 0;
+  int id           = 0;
 #ifdef Q_OS_MAC
-  EventHotKeyRef hkRef, hkRef2;
+  EventHotKeyRef hkRef  = 0;
+  EventHotKeyRef hkRef2 = 0;
 #endif
 };
 
@@ -98,15 +107,11 @@ private:
   HotkeyStruct state2waiter;
 
 #ifdef Q_OS_WIN32
-
-  #if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
-  virtual bool winEvent( MSG * message, long * result );
-  #else
   virtual bool winEvent( MSG * message, qintptr * result );
-  #endif
   HWND hwnd;
+#endif
 
-#elif defined( Q_OS_MAC )
+#ifdef Q_OS_MAC
 
 public:
   void activated( int hkId );
@@ -117,9 +122,9 @@ private:
   static EventHandlerUPP hotKeyFunction;
   quint32 keyC;
   EventHandlerRef handlerRef;
+#endif
 
-#else
-
+#ifdef HAVE_X11
   static void recordEventCallback( XPointer, XRecordInterceptData * );
 
   /// Called by recordEventCallback()
@@ -205,16 +210,10 @@ protected:
   void registerWrapper( HotkeyWrapper * wrapper );
   void unregisterWrapper( HotkeyWrapper * wrapper );
 
-#ifdef Q_OS_WIN32
-
-  #if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
-  virtual bool nativeEventFilter( const QByteArray & eventType, void * message, long * result );
-  #else
+#ifdef Q_OS_WIN
   virtual bool nativeEventFilter( const QByteArray & eventType, void * message, qintptr * result );
-  #endif
+#endif
 
-protected:
-#endif // Q_OS_WIN32
   QList< HotkeyWrapper * > hotkeyWrappers;
 };
 

src/iframeschemehandler.cc

@@ -105,15 +105,8 @@ void IframeSchemeHandler::requestStarted( QWebEngineUrlRequestJob * requestJob )
 
     buffer->setData( articleString.toUtf8() );
 
-#if QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 )
     requestJob->reply( "text/html; charset=utf-8", buffer );
-#else
-  #if defined( Q_OS_WIN32 ) || defined( Q_OS_MAC )
-    requestJob->reply( contentType, buffer );
-  #else
-    requestJob->reply( "text/html", buffer );
-  #endif
-#endif
+
   };
   connect( reply, &QNetworkReply::finished, requestJob, finishAction );
 

src/main.cc

@@ -307,15 +307,7 @@ void processCommandLine( QCoreApplication * app, GDOptions * result )
     // Handle cases where we get encoded URL
     if ( result->word.startsWith( QStringLiteral( "xn--" ) ) ) {
       // For `kde-open` or `gio` or others, URL are encoded into ACE or Punycode
-  #if QT_VERSION >= QT_VERSION_CHECK( 6, 3, 0 )
       result->word = QUrl::fromAce( result->word.toLatin1(), QUrl::IgnoreIDNWhitelist );
-  #else
-      // Old Qt's fromAce only applies to whitelisted domains, so we add .com to bypass this restriction :)
-      // https://bugreports.qt.io/browse/QTBUG-29080
-      result->word.append( QStringLiteral( ".com" ) );
-      result->word = QUrl::fromAce( result->word.toLatin1() );
-      result->word.chop( 4 );
-  #endif
     }
     else if ( result->word.startsWith( QStringLiteral( "%" ) ) ) {
       // For Firefox or other browsers where URL are percent encoded
@@ -349,8 +341,11 @@ int main( int argc, char ** argv )
   // attach the new console to this application's process
   if ( AttachConsole( ATTACH_PARENT_PROCESS ) ) {
     // reopen the std I/O streams to redirect I/O to the new console
-    freopen( "CON", "w", stdout );
-    freopen( "CON", "w", stderr );
+    auto ret1 = freopen( "CON", "w", stdout );
+    auto ret2 = freopen( "CON", "w", stderr );
+    if ( ret1 == nullptr || ret2 == nullptr ) {
+      qDebug() << "Attaching console stdout or stderr failed";
+    }
   }
 
   qputenv( "QT_QPA_PLATFORM", "windows:darkmode=1" );
@@ -359,10 +354,6 @@ int main( int argc, char ** argv )
 
 
   //high dpi screen support
-#if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
-  QApplication::setAttribute( Qt::AA_EnableHighDpiScaling );
-  QApplication::setAttribute( Qt::AA_UseHighDpiPixmaps );
-#endif
   qputenv( "QT_ENABLE_HIGHDPI_SCALING", "1" );
   QApplication::setHighDpiScaleFactorRoundingPolicy( Qt::HighDpiScaleFactorRoundingPolicy::PassThrough );
 

src/ui/article_inspect.cc

@@ -1,8 +1,6 @@
 #include "article_inspect.hh"
 #include <QCloseEvent>
-#if ( QT_VERSION > QT_VERSION_CHECK( 6, 0, 0 ) )
-  #include <QWebEngineContextMenuRequest>
-#endif
+#include <QWebEngineContextMenuRequest>
 ArticleInspector::ArticleInspector( QWidget * parent ):
   QWidget( parent, Qt::WindowType::Window )
 {
@@ -39,9 +37,7 @@ void ArticleInspector::triggerAction( QWebEnginePage * page )
     return;
   }
 
-#if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) || QT_VERSION > QT_VERSION_CHECK( 6, 3, 0 ) )
   page->triggerAction( QWebEnginePage::InspectElement );
-#endif
 }
 
 void ArticleInspector::closeEvent( QCloseEvent * )

src/ui/articleview.cc

@@ -31,15 +31,9 @@
 #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 <QWebEngineContextMenuRequest>
-  #include <QWebEngineFindTextResult>
-  #include <utility>
-#endif
+#include <QWebEngineContextMenuRequest>
+#include <QWebEngineFindTextResult>
+#include <utility>
 #ifdef Q_OS_WIN32
   #include <windows.h>
   #include <QPainter>
@@ -214,15 +208,7 @@ ArticleView::ArticleView( QWidget * parent,
 
   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::LinksIncludedInFocusChain, false );
-  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 );
@@ -230,7 +216,6 @@ ArticleView::ArticleView( QWidget * parent,
   settings->setAttribute( QWebEngineSettings::PlaybackRequiresUserGesture, false );
   settings->setAttribute( QWebEngineSettings::JavascriptCanAccessClipboard, true );
   settings->setAttribute( QWebEngineSettings::PrintElementBackgrounds, false );
-#endif
 
   auto html = articleNetMgr.getHtml( ResourceType::UNTITLE );
 
@@ -1329,12 +1314,10 @@ void ArticleView::print( QPrinter * printer ) const
     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";
@@ -1363,11 +1346,7 @@ void ArticleView::contextMenuRequested( QPoint const & pos )
   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;
 
@@ -1392,12 +1371,8 @@ void ArticleView::contextMenuRequested( QPoint const & pos )
   }
 
   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
-  {
+
+  if ( !popupView && menuData->mediaType() == QWebEngineContextMenuRequest::MediaType::MediaTypeImage ) {
     imageUrl = menuData->mediaUrl();
     if ( !imageUrl.isEmpty() ) {
       menu.addAction( webview->pageAction( QWebEnginePage::CopyImageToClipboard ) );
@@ -1905,7 +1880,7 @@ void ArticleView::doubleClicked( QPoint pos )
 
     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 ) {
+    if ( Folding::applyWhitespaceOnly( selectedText.toStdU32String() ).size() && selectedText.size() < 60 ) {
       // Initiate translation
       Qt::KeyboardModifiers kmod = QApplication::keyboardModifiers();
       if ( kmod & ( Qt::ControlModifier | Qt::ShiftModifier ) ) { // open in new tab
@@ -1955,19 +1930,12 @@ 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()
@@ -2099,7 +2067,6 @@ void ArticleView::performFtsFindOperation( bool backwards )
   QWebEnginePage::FindFlags flags( 0 );
 
   if ( backwards ) {
-#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
     webview->findText( firstAvailableText,
                        flags | QWebEnginePage::FindBackward,
                        [ this ]( const QWebEngineFindTextResult & result ) {
@@ -2114,16 +2081,8 @@ void ArticleView::performFtsFindOperation( bool backwards )
                          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;
@@ -2135,15 +2094,6 @@ void ArticleView::performFtsFindOperation( bool backwards )
 
       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
   }
 }
 

src/ui/dictheadwords.cc

@@ -420,10 +420,6 @@ void DictHeadwords::saveHeadersToFile()
   // Write UTF-8 BOM
   QTextStream out( &file );
   out.setGenerateByteOrderMark( true );
-//qt 6 will use utf-8 default.
-#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
-  out.setCodec( "UTF-8" );
-#endif
 
   exportAllWords( progress, out );
 

src/ui/favoritespanewidget.hh

@@ -84,13 +84,13 @@ private slots:
 private:
   virtual bool eventFilter( QObject *, QEvent * );
 
-  Config::Class * m_cfg;
-  QTreeView * m_favoritesTree;
-  QMenu * m_favoritesMenu;
-  QAction * m_deleteSelectedAction;
-  QAction * m_separator;
-  QAction * m_copySelectedToClipboard;
-  QAction * m_addFolder;
+  Config::Class * m_cfg               = nullptr;
+  QTreeView * m_favoritesTree         = nullptr;
+  QMenu * m_favoritesMenu             = nullptr;
+  QAction * m_deleteSelectedAction    = nullptr;
+  QAction * m_separator               = nullptr;
+  QAction * m_copySelectedToClipboard = nullptr;
+  QAction * m_addFolder               = nullptr;
 
   QWidget favoritesPaneTitleBar;
   QHBoxLayout favoritesPaneTitleBarLayout;

src/ui/historypanewidget.hh

@@ -53,13 +53,13 @@ private slots:
 private:
   virtual bool eventFilter( QObject *, QEvent * );
 
-  Config::Class * m_cfg;
-  History * m_history;
-  QListView * m_historyList;
-  QMenu * m_historyMenu;
-  QAction * m_deleteSelectedAction;
-  QAction * m_separator;
-  QAction * m_copySelectedToClipboard;
+  Config::Class * m_cfg               = nullptr;
+  History * m_history                 = nullptr;
+  QListView * m_historyList           = nullptr;
+  QMenu * m_historyMenu               = nullptr;
+  QAction * m_deleteSelectedAction    = nullptr;
+  QAction * m_separator               = nullptr;
+  QAction * m_copySelectedToClipboard = nullptr;
 
   QWidget historyPaneTitleBar;
   QHBoxLayout historyPaneTitleBarLayout;

src/ui/mainwindow.cc

@@ -760,11 +760,7 @@ MainWindow::MainWindow( Config::Class & cfg_ ):
 
 
 #if defined( Q_OS_LINUX )
-  #if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
   defaultInterfaceStyle = QApplication::style()->name();
-  #else
-  defaultInterfaceStyle = QApplication::style()->objectName();
-  #endif
 #elif defined( Q_OS_MAC )
   defaultInterfaceStyle = "Fusion";
 #endif

src/ui/preferences.cc

@@ -185,6 +185,7 @@ Preferences::Preferences( QWidget * parent, Config::Class & cfg_ ):
   ui.doubleClickTranslates->setChecked( p.doubleClickTranslates );
   ui.selectBySingleClick->setChecked( p.selectWordBySingleClick );
   ui.autoScrollToTargetArticle->setChecked( p.autoScrollToTargetArticle );
+  ui.targetArticleAtFirst->setChecked( p.targetArticleAtFirst );
   ui.escKeyHidesMainWindow->setChecked( p.escKeyHidesMainWindow );
 
   ui.darkMode->addItem( tr( "On" ), QVariant::fromValue( Config::Dark::On ) );
@@ -441,6 +442,7 @@ Config::Preferences Preferences::getPreferences()
   p.doubleClickTranslates      = ui.doubleClickTranslates->isChecked();
   p.selectWordBySingleClick    = ui.selectBySingleClick->isChecked();
   p.autoScrollToTargetArticle  = ui.autoScrollToTargetArticle->isChecked();
+  p.targetArticleAtFirst       = ui.targetArticleAtFirst->isChecked();
   p.escKeyHidesMainWindow      = ui.escKeyHidesMainWindow->isChecked();
 
   p.darkMode       = ui.darkMode->currentData().value< Config::Dark >();

src/ui/preferences.ui

@@ -169,6 +169,16 @@ however, the article from the topmost dictionary is shown.</string>
          </property>
         </widget>
        </item>
+       <item row="4" column="1">
+        <widget class="QCheckBox" name="targetArticleAtFirst">
+         <property name="text">
+          <string>Place the target article at the first place.</string>
+         </property>
+         <property name="checked">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
        <item row="1" column="0">
         <widget class="QGroupBox" name="enableTrayIcon">
          <property name="toolTip">

src/ui/scanpopup.cc

@@ -8,11 +8,6 @@
 #include <QBitmap>
 #include <QMenu>
 #include <QMouseEvent>
-#if ( QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 ) )
-  #include <QDesktopWidget>
-  #include <QScreen>
-  #include <QStringList>
-#endif
 #include "gddebug.hh"
 #include "gestures.hh"
 
@@ -846,11 +841,7 @@ void ScanPopup::leaveEvent( QEvent * event )
   }
 }
 
-#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
 void ScanPopup::enterEvent( QEnterEvent * event )
-#else
-void ScanPopup::enterEvent( QEvent * event )
-#endif
 {
   QMainWindow::enterEvent( event );
 

src/ui/scanpopup.hh

@@ -174,11 +174,7 @@ private:
   virtual void mouseMoveEvent( QMouseEvent * );
   virtual void mouseReleaseEvent( QMouseEvent * );
   virtual void leaveEvent( QEvent * event );
-#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
   virtual void enterEvent( QEnterEvent * event );
-#else
-  virtual void enterEvent( QEvent * event );
-#endif
   virtual void showEvent( QShowEvent * );
   virtual void closeEvent( QCloseEvent * );
   virtual void moveEvent( QMoveEvent * );

src/windows/winhotkeywrapper.cc

@@ -0,0 +1,256 @@
+#include <QtGlobal>
+#ifdef Q_OS_WIN
+  #include "hotkeywrapper.hh"
+  #include <windows.h>
+  #include <QWidget>
+
+/// Implementation is pretty much using RegisterHotKey & UnregisterHotKey
+/// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-registerhotkey
+
+void HotkeyWrapper::init()
+{
+  hwnd = (HWND)( ( static_cast< QWidget * >( this->parent() ) )->winId() );
+}
+
+bool HotkeyWrapper::setGlobalKey( QKeySequence const & seq, int handle )
+{
+  Config::HotKey hk( seq );
+  return setGlobalKey( hk.key1, hk.key2, hk.modifiers, handle );
+}
+
+bool HotkeyWrapper::setGlobalKey( int key, int key2, Qt::KeyboardModifiers modifier, int handle )
+{
+  if ( !key )
+    return false; // We don't monitor empty combinations
+
+  static int id = 0;
+  if ( id > 0xBFFF - 1 )
+    id = 0;
+
+  quint32 mod = 0;
+  if ( modifier & Qt::CTRL )
+    mod |= MOD_CONTROL;
+  if ( modifier & Qt::ALT )
+    mod |= MOD_ALT;
+  if ( modifier & Qt::SHIFT )
+    mod |= MOD_SHIFT;
+  if ( modifier & Qt::META )
+    mod |= MOD_WIN;
+
+  quint32 vk  = nativeKey( key );
+  quint32 vk2 = key2 ? nativeKey( key2 ) : 0;
+
+  hotkeys.append( HotkeyStruct( vk, vk2, mod, handle, id ) );
+
+  if ( !RegisterHotKey( hwnd, id++, mod, vk ) )
+    return false;
+
+  if ( key2 && key2 != key )
+    return RegisterHotKey( hwnd, id++, mod, vk2 );
+
+  return true;
+}
+
+
+bool HotkeyWrapper::winEvent( MSG * message, qintptr * result )
+{
+  Q_UNUSED( result );
+  if ( message->message == WM_HOTKEY )
+    return checkState( ( message->lParam >> 16 ), ( message->lParam & 0xffff ) );
+
+  return false;
+}
+
+void HotkeyWrapper::unregister()
+{
+  for ( int i = 0; i < hotkeys.count(); i++ ) {
+    HotkeyStruct const & hk = hotkeys.at( i );
+
+    UnregisterHotKey( hwnd, hk.id );
+
+    if ( hk.key2 && hk.key2 != hk.key )
+      UnregisterHotKey( hwnd, hk.id + 1 );
+  }
+
+  ( static_cast< QHotkeyApplication * >( qApp ) )->unregisterWrapper( this );
+}
+
+bool QHotkeyApplication::nativeEventFilter( const QByteArray & /*eventType*/, void * message, qintptr * result )
+{
+  MSG * msg = reinterpret_cast< MSG * >( message );
+
+  if ( msg->message == WM_HOTKEY ) {
+    for ( int i = 0; i < hotkeyWrappers.size(); i++ ) {
+      if ( hotkeyWrappers.at( i )->winEvent( msg, result ) )
+        return true;
+    }
+  }
+
+  return false;
+}
+
+
+/// References:
+/// https://learn.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes
+/// https://doc.qt.io/qt-6/qt.html#Key-enum
+quint32 HotkeyWrapper::nativeKey( int key )
+{
+  // Qt's 0-9 & A-Z overlaps with Windows's VK
+  if ( key >= Qt::Key_0 && key <= Qt::Key_9 || key >= Qt::Key_A && key <= Qt::Key_Z ) {
+    return key;
+  }
+
+  switch ( key ) {
+    case Qt::Key_Space:
+      return VK_SPACE;
+    case Qt::Key_Asterisk:
+      return VK_MULTIPLY;
+    case Qt::Key_Plus:
+      return VK_ADD;
+    case Qt::Key_Comma:
+      return VK_SEPARATOR;
+    case Qt::Key_Minus:
+      return VK_SUBTRACT;
+    case Qt::Key_Slash:
+      return VK_DIVIDE;
+    case Qt::Key_Tab:
+    case Qt::Key_Backtab:
+      return VK_TAB;
+    case Qt::Key_Backspace:
+      return VK_BACK;
+    case Qt::Key_Return:
+    case Qt::Key_Escape:
+      return VK_ESCAPE;
+    case Qt::Key_Enter:
+      return VK_RETURN;
+    case Qt::Key_Insert:
+      return VK_INSERT;
+    case Qt::Key_Delete:
+      return VK_DELETE;
+    case Qt::Key_Pause:
+      return VK_PAUSE;
+    case Qt::Key_Print:
+      return VK_PRINT;
+    case Qt::Key_Clear:
+      return VK_CLEAR;
+    case Qt::Key_Home:
+      return VK_HOME;
+    case Qt::Key_End:
+      return VK_END;
+    case Qt::Key_Up:
+      return VK_UP;
+    case Qt::Key_Down:
+      return VK_DOWN;
+    case Qt::Key_Left:
+      return VK_LEFT;
+    case Qt::Key_Right:
+      return VK_RIGHT;
+    case Qt::Key_PageUp:
+      return VK_PRIOR;
+    case Qt::Key_PageDown:
+      return VK_NEXT;
+    case Qt::Key_F1:
+      return VK_F1;
+    case Qt::Key_F2:
+      return VK_F2;
+    case Qt::Key_F3:
+      return VK_F3;
+    case Qt::Key_F4:
+      return VK_F4;
+    case Qt::Key_F5:
+      return VK_F5;
+    case Qt::Key_F6:
+      return VK_F6;
+    case Qt::Key_F7:
+      return VK_F7;
+    case Qt::Key_F8:
+      return VK_F8;
+    case Qt::Key_F9:
+      return VK_F9;
+    case Qt::Key_F10:
+      return VK_F10;
+    case Qt::Key_F11:
+      return VK_F11;
+    case Qt::Key_F12:
+      return VK_F12;
+    case Qt::Key_F13:
+      return VK_F13;
+    case Qt::Key_F14:
+      return VK_F14;
+    case Qt::Key_F15:
+      return VK_F15;
+    case Qt::Key_F16:
+      return VK_F16;
+    case Qt::Key_F17:
+      return VK_F17;
+    case Qt::Key_F18:
+      return VK_F18;
+    case Qt::Key_F19:
+      return VK_F19;
+    case Qt::Key_F20:
+      return VK_F20;
+    case Qt::Key_F21:
+      return VK_F21;
+    case Qt::Key_F22:
+      return VK_F22;
+    case Qt::Key_F23:
+      return VK_F23;
+    case Qt::Key_F24:
+      return VK_F24;
+    case Qt::Key_Colon:
+    case Qt::Key_Semicolon:
+      return VK_OEM_1;
+    case Qt::Key_Question:
+      return VK_OEM_2;
+    case Qt::Key_AsciiTilde:
+    case Qt::Key_QuoteLeft:
+      return VK_OEM_3;
+    case Qt::Key_BraceLeft:
+    case Qt::Key_BracketLeft:
+      return VK_OEM_4;
+    case Qt::Key_Bar:
+    case Qt::Key_Backslash:
+      return VK_OEM_5;
+    case Qt::Key_BraceRight:
+    case Qt::Key_BracketRight:
+      return VK_OEM_6;
+    case Qt::Key_QuoteDbl:
+    case Qt::Key_Apostrophe:
+      return VK_OEM_7;
+    case Qt::Key_Less:
+      return VK_OEM_COMMA;
+    case Qt::Key_Greater:
+      return VK_OEM_PERIOD;
+    case Qt::Key_Equal:
+      return VK_OEM_PLUS;
+    case Qt::Key_ParenRight:
+      return 0x30;
+    case Qt::Key_Exclam:
+      return 0x31;
+    case Qt::Key_At:
+      return 0x32;
+    case Qt::Key_NumberSign:
+      return 0x33;
+    case Qt::Key_Dollar:
+      return 0x34;
+    case Qt::Key_Percent:
+      return 0x35;
+    case Qt::Key_AsciiCircum:
+      return 0x36;
+    case Qt::Key_Ampersand:
+      return 0x37;
+    case Qt::Key_copyright:
+      return 0x38;
+    case Qt::Key_ParenLeft:
+      return 0x39;
+    case Qt::Key_Underscore:
+      return VK_OEM_MINUS;
+    case Qt::Key_Meta:
+      return VK_LWIN;
+    default:;
+  }
+
+  return key;
+}
+
+#endif

src/wordfinder.cc

@@ -131,7 +131,7 @@ void WordFinder::startSearch()
     allWordWritings.resize( 1 );
   }
 
-  allWordWritings[ 0 ] = gd::toWString( inputWord );
+  allWordWritings[ 0 ] = inputWord.toStdU32String();
 
   for ( const auto & inputDict : *inputDicts ) {
     vector< wstring > writings = inputDict->getAlternateWritings( allWordWritings[ 0 ] );

website/README.md

@@ -3,10 +3,10 @@
 With venv
 ```
 cd ./website
-python -m venv ./venv/
+python3 -m venv ./venv/
 source ./venv/bin/activate
 # source ./venv/bin/activate.fish
-pip install mkdocs-material
+pip3 install mkdocs-material
 ```
 
 Then

website/docs/custom_dictionary.md

@@ -46,3 +46,5 @@ will disable the current dictionary's full-text search.
 You can check the full-text search status on each dictionary's info dialog.
 
 ![](img/dictionary-info-fullindex.png)
+
+Note that it is possible to enable full text for a single dictionary by disabling full-text search in the Preferences dialog, and set `fts=true` for that dictionary.

website/docs/manage_sources.md

@@ -1,4 +1,4 @@
-Dictionaries management dialog can be opened via menu `Edit` -> `Dictionaries`.
+Dictionary management dialog can be opened via menu `Edit` -> `Dictionaries`.
 
 To use local dictionaries, add them via `Sources` -> `Files`.
 
@@ -34,7 +34,7 @@ Morphology dictionary uses Hunspell's morphological analysis to obtain word's va
 
 You can specify a path that includes Hunspell format data files (`.aff` + `.dic`). GoldenDict scan this folder and create a list of available dictionaries.
 
-One possible source of Hunspell dictionaries is Libreoffice's [dictionaries](https://github.com/LibreOffice/dictionaries).
+One possible source of Hunspell dictionaries is LibreOffice's [dictionaries](https://github.com/LibreOffice/dictionaries).
 
 The detailed document about the affix file (`.aff`) and the dict file (`.dic`) can be found at [hunspell.5](https://man.archlinux.org/man/hunspell.5.en).
 

website/docs/topic_userstyle.md

@@ -4,6 +4,7 @@ By creating `article-style.css` or `article-script.js` in GoldenDict's configura
 .    <- GD's configuration folder
 ├── config
 ├── article-style.css
+├── article-style-print.css (affecting styles when printing)
 ├── article-script.js
 └── qt-style.css
 ```

website/docs/ui_shortcuts.md

@@ -54,17 +54,3 @@
 | F3                    | Dictionaries dialog                                                                                                              |
 | F4                    | GoldenDict preferences                                                                                                           |
 | F12                   | Inspector                                                                                                                        |
-
-
-# Solo mode in the dictionary bar
-Ctrl+Click, Enter solo mode, toggle between single & all dictionaries
-Shift+Click, Exit solo mode, restore the previous dictionaries.
-
-For example, there are 4 dictionaries A,B,C,D with ABC selected.
-
-| Cases|   Note|
-|--------|--------|
-| Ctrl+Click A|select A only|
-| Ctrl+Click A, Ctrl+Click B | select B only|
-| Ctrl+Click A, Ctrl+Click A | A,B,C,D selected(all dictionaries selected)|
-| Ctrl+Click A, Shift+Click any dictionary| A,B,C selected |

website/docs/ui_toolbar.md

@@ -1,37 +1,56 @@
 ## Toolbar
 ![toolbar](img/toolbar.webp)
 
-From left to right:
+Type your word in Search Box and press `Enter` to search word in the current selected group. You can also choose a variant from a matches list.
 
-* Forward/Backward navigation buttons;
-* Group selector
-* Search Line
-* Toggle Scanning
-* Play the first pronunciation in found articles;
-* Font scale buttons;
-* Save the article as HTML
-* Print article
-* Add to Favorites;
-
-Type your word in Search Box and press `Enter` to search word in the current selected group. You can also choose a variant from matches list.
-
-If Ctrl or Shift key has been pressed the new tab for translation will be created.
+Holding Ctrl or Shift will display the translation result in a new tab.
 
 ### Wildcard matching
 
-The Search Line can contain wildcard symbols `?` (matches any one character), `*` (matches any characters number) or ranges of characters `[...]`. To find characters `?`, `*`, `[` and `]` it should be escaped with backslash like `\?`, `\*`, `\[`, `\]`.
+The search line can use wildcard or glob symbols for matching words.  
+
+| Wildcard | Description                                                            | 
+|----------|------------------------------------------------------------------------|
+| `?`      | Matches any single character.                                          |
+| `*`      | Matches zero or more of any characters.                                |
+| `[abc]`  | Matches one character given in the bracket.                            |
+| `[a-c]`  | Matches one character from the range given in the bracket.             |
+| `[!abc]` | Matches one character that is not given in the bracket.                |
+| `[!a-c]` | Matches one character that is not from the range given in the bracket. |
+| `\`      | Escaping wildcard symbols, e.g. `\?` to search `?`                     |
 
 !!! note
-    The wildcard symbol at first position in word leads to full headwords list scanning and it may take a long time for huge dictionaries.
+    The wildcard symbol in the first character leads to scanning of every dictionary's every word and may take a long time.
+
+More information about wildcard matching can be found in [Wikipedia's glob article](https://en.wikipedia.org/wiki/Glob_(programming)).
+
 
 ## Dictionary Bar
 
-The dictionaries bar contains all dictionaries from current dictionaries group. Click the icons to disable/enable them.
+The dictionary bar contains all dictionaries from the current dictionaries group. Click the icons to disable/enable them.
 
-Hold `Shift` and click dictionary bar will temporally focus on a single dictionary. Hold `Shift` and click again to defocus and restore the previous dictionaries bar state.
+### "Solo" mode
 
-Hold `Ctrl` and click dictionary bar will toggle between "Enable a single dictionary" and "Enable all dictionary".
+Temporally focus on a single dictionary and restore back to all dictionaries or previously selected dictionaries.
 
-Note: The `Shift` and `Ctrl` interaction can also be used on "Found in dictionaries" panel
+To enter solo mode:
 
+++ctrl+left-button++ -> Select a single dictionary.
+
+To exit solo mode:
+
+++ctrl+left-button++ -> Reselect all dictionaries.
+
+++shift+left-button++ -> Reselect dictionaries that were previously selected before entering solo mode.
+
+For example, there are 4 dictionaries A,B,C,D with ABC selected.
+
+| Cases                                    | Note                                         |
+|------------------------------------------|----------------------------------------------|
+| Ctrl+Click A                             | select A only                                |
+| Ctrl+Click A, Ctrl+Click B               | select B only                                |
+| Ctrl+Click A, Ctrl+Click A               | A,B,C,D selected (all dictionaries selected) |
+| Ctrl+Click A, Shift+Click any dictionary | A,B,C selected                               |
+
+Note: This can also be used on the "Found in dictionaries" panel.
 

website/mkdocs.yml

@@ -21,6 +21,7 @@ markdown_extensions:
   - admonition
   - pymdownx.details
   - pymdownx.superfences
+  - pymdownx.keys
 
 nav:
   - Getting started: index.md
@@ -33,7 +34,7 @@ nav:
       - Popup Window: ui_popup.md
       - Headwords Dialog: ui_headwords.md
       - Full Text Search: ui_fulltextsearch.md
-      - ToolBar & DictBar: ui_toolbar.md
+      - Tool & Dictionary Bar: ui_toolbar.md
       - Favorites: ui_favorites.md
       - Shortcuts: ui_shortcuts.md
   - Advanced Usages: