Port away from deprecated KIO signals

sidebar/trees/dirtree_module/dirtree_module.cpp

@@ -22,6 +22,7 @@
 #include "dirtree_item.h"
 
 #include <kconfiggroup.h>
+#include <kio_version.h>
 #include <kprotocolmanager.h>
 #include <kdesktopfile.h>
 #include <kmessagebox.h>
@@ -42,8 +43,12 @@ KonqSidebarDirTreeModule::~KonqSidebarDirTreeModule()
 {
     // KDirLister may still emit canceled while being deleted.
     if (m_dirLister) {
+#if KIO_VERSION < QT_VERSION_CHECK(5, 79, 0)
         disconnect(m_dirLister, SIGNAL(canceled(QUrl)),
                    this, SLOT(slotListingStopped(QUrl)));
+#else
+        disconnect(m_dirLister, &KCoreDirLister::listingDirCanceled, this, &KonqSidebarDirTreeModule::slotListingStopped);
+#endif
         delete m_dirLister;
     }
 }
@@ -297,10 +302,17 @@ void KonqSidebarDirTreeModule::openSubFolder(KonqSidebarTreeItem *item)
                 this, SLOT(slotRefreshItems(QList<QPair<KFileItem,KFileItem> >)));
         connect(m_dirLister, SIGNAL(deleteItem(KFileItem)),
                 this, SLOT(slotDeleteItem(KFileItem)));
+
+#if KIO_VERSION < QT_VERSION_CHECK(5, 79, 0)
         connect(m_dirLister, SIGNAL(completed(QUrl)),
                 this, SLOT(slotListingStopped(QUrl)));
         connect(m_dirLister, SIGNAL(canceled(QUrl)),
                 this, SLOT(slotListingStopped(QUrl)));
+#else
+        connect(m_dirLister, &KCoreDirLister::listingDirCompleted, this, &KonqSidebarDirTreeModule::slotListingStopped);
+        connect(m_dirLister, &KCoreDirLister::listingDirCanceled, this, &KonqSidebarDirTreeModule::slotListingStopped);
+#endif
+
         connect(m_dirLister, SIGNAL(redirection(QUrl,QUrl)),
                 this, SLOT(slotRedirection(QUrl,QUrl)));
     }