3 files changed, 19 insertions, 5 deletions
diff --git a/launcher/net/Download.cpp b/launcher/net/Download.cpp
index d93eb088..3061e32e 100644
--- a/launcher/net/Download.cpp
+++ b/launcher/net/Download.cpp
@@ -2,6 +2,7 @@
 /*
  *  PolyMC - Minecraft Launcher
  *  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -126,7 +127,11 @@ void Download::executeTask()
     m_reply.reset(rep);
     connect(rep, &QNetworkReply::downloadProgress, this, &Download::downloadProgress);
     connect(rep, &QNetworkReply::finished, this, &Download::downloadFinished);
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    connect(rep, SIGNAL(errorOccurred(QNetworkReply::NetworkError)), SLOT(downloadError(QNetworkReply::NetworkError)));
+#else
     connect(rep, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(downloadError(QNetworkReply::NetworkError)));
+#endif
     connect(rep, &QNetworkReply::sslErrors, this, &Download::sslErrors);
     connect(rep, &QNetworkReply::readyRead, this, &Download::downloadReadyRead);
 }
diff --git a/launcher/net/NetJob.cpp b/launcher/net/NetJob.cpp
index df899178..bab35fa5 100644
--- a/launcher/net/NetJob.cpp
+++ b/launcher/net/NetJob.cpp
@@ -2,6 +2,7 @@
 /*
  *  PolyMC - Minecraft Launcher
  *  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -97,11 +98,16 @@ auto NetJob::abort() -> bool
     bool fullyAborted = true;
 
     // fail all downloads on the queue
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
+    QSet<int> todoSet(m_todo.begin(), m_todo.end());
+    m_failed.unite(todoSet);
+#else
     m_failed.unite(m_todo.toSet());
+#endif
     m_todo.clear();
 
     // abort active downloads
-    auto toKill = m_doing.toList();
+    auto toKill = m_doing.values();
     for (auto index : toKill) {
         auto part = m_downloads[index];
         fullyAborted &= part->abort();
diff --git a/launcher/net/PasteUpload.cpp b/launcher/net/PasteUpload.cpp
index 835e4cd1..76b86743 100644
--- a/launcher/net/PasteUpload.cpp
+++ b/launcher/net/PasteUpload.cpp
@@ -129,10 +129,13 @@ void PasteUpload::executeTask()
 
     connect(rep, &QNetworkReply::uploadProgress, this, &Task::setProgress);
     connect(rep, &QNetworkReply::finished, this, &PasteUpload::downloadFinished);
-    // This function call would be a lot shorter if we were using the latest Qt
-    connect(rep,
-            static_cast<void (QNetworkReply::*)(QNetworkReply::NetworkError)>(&QNetworkReply::error),
-            this, &PasteUpload::downloadError);
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
+    connect(rep, &QNetworkReply::errorOccurred, this, &PasteUpload::downloadError);
+#else
+    connect(rep, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::error), this, &PasteUpload::downloadError);
+#endif
+
 
     m_reply = std::shared_ptr<QNetworkReply>(rep);