Remove old code

cache.cpp

@@ -275,9 +275,7 @@ bool Cache::prepareToLoadCachedItems()
     switch(version) {
     case 2:
         dataStreamVersion = CacheDataStream::Qt_4_3;
-#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
         Q_FALLTHROUGH();
-#endif
 
         // Other than that we're compatible with cache v1, so fallthrough
         // to setCacheVersion

collectionlist.cpp

@@ -508,12 +508,7 @@ void CollectionListItem::refresh()
             sharedData()->metadata[id] = toLower;
         }
 
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
         int newWidth = treeWidget()->fontMetrics().horizontalAdvance(text(i));
-#else
-        // .width is deprecated in Qt 5.11 or later
-        int newWidth = treeWidget()->fontMetrics().width(text(i));
-#endif
         if(newWidth != sharedData()->cachedWidths[i])
             playlist()->slotWeightDirty(i);
 

filerenamer.cpp

@@ -942,11 +942,7 @@ void FileRenamer::setFolderIcon(const QUrl &dstURL, const PlaylistItem *item)
     // Split path, and go through each path element.  If a path element has
     // the album information, set its folder icon.
     QStringList elements = dstURL.path().split('/',
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
             Qt::SkipEmptyParts
-#else
-            QString::SkipEmptyParts
-#endif
             );
     QString path;
 

playlist.cpp

@@ -1917,11 +1917,7 @@ void Playlist::slotUpdateColumnWidths()
 
     // convenience handler for deprecated text metrics
     const auto textWidth = [](const QFontMetrics &fm, const QString &text) {
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
         return fm.horizontalAdvance(text);
-#else
-        return fm.width(text);
-#endif
     };
 
     // No item content to auto-fit around, use the headers for now

playlistcollection.cpp

@@ -103,14 +103,6 @@ PlaylistCollection::PlaylistCollection(PlayerManager *player, QStackedWidget *pl
 
     m_actionHandler = new ActionHandler(this);
 
-#if KIO_VERSION < QT_VERSION_CHECK(5, 82, 0)
-    // KDirLister's auto error handling seems to crash JuK during startup in
-    // readConfig().  This auto handler was removed in KF5.82 so no longer
-    // needs disabled afterward.
-
-    m_dirLister.setAutoErrorHandlingEnabled(false, playlistStack);
-#endif
-
     readConfig();
 }
 

playlistsearch.cpp

@@ -16,12 +16,7 @@
 #include <QtGlobal>
 
 #include <algorithm>
-#if QT_VERSION >= QT_VERSION_CHECK(5, 13, 0)
 #include <QConcatenateTablesProxyModel>
-#else
-#include <KConcatenateRowsProxyModel>
-typedef KConcatenateRowsProxyModel QConcatenateTablesProxyModel;
-#endif
 
 #include "playlistsearch.h"
 #include "playlist.h"