Merge pull request #1107 from Ryex/chore/add-compiler-warnings

Introduce more strict compiler warnings and fix them

46 files changed, 201 insertions, 186 deletions

diff --git a/launcher/ui/MainWindow.cpp b/launcher/ui/MainWindow.cpp
index e342e833..423cd48d 100644
--- a/launcher/ui/MainWindow.cpp
+++ b/launcher/ui/MainWindow.cpp
@@ -514,10 +514,11 @@ void MainWindow::showInstanceContextMenu(const QPoint& pos)
 
         QAction* actionCreateInstance = new QAction(tr("Create instance"), this);
         actionCreateInstance->setToolTip(ui->actionAddInstance->toolTip());
-        if (!group.isNull()) {
-            QVariantMap data;
-            data["group"] = group;
-            actionCreateInstance->setData(data);
+        if(!group.isNull())
+        {
+            QVariantMap instance_action_data;
+            instance_action_data["group"] = group;
+            actionCreateInstance->setData(instance_action_data);
         }
 
         connect(actionCreateInstance, SIGNAL(triggered(bool)), SLOT(on_actionAddInstance_triggered()));
@@ -525,11 +526,12 @@ void MainWindow::showInstanceContextMenu(const QPoint& pos)
         actions.prepend(actionSep);
         actions.prepend(actionVoid);
         actions.append(actionCreateInstance);
-        if (!group.isNull()) {
-            QAction* actionDeleteGroup = new QAction(tr("Delete group '%1'").arg(group), this);
-            QVariantMap data;
-            data["group"] = group;
-            actionDeleteGroup->setData(data);
+        if(!group.isNull())
+        {
+            QAction *actionDeleteGroup = new QAction(tr("Delete group '%1'").arg(group), this);
+            QVariantMap delete_group_action_data;
+            delete_group_action_data["group"] = group;
+            actionDeleteGroup->setData(delete_group_action_data);
             connect(actionDeleteGroup, SIGNAL(triggered(bool)), SLOT(deleteGroup()));
             actions.append(actionDeleteGroup);
         }
@@ -744,10 +746,10 @@ void MainWindow::changeActiveAccount()
     if (sAction->data().type() != QVariant::Type::Int)
         return;
 
-    QVariant data = sAction->data();
+    QVariant action_data = sAction->data();
     bool valid = false;
-    int index = data.toInt(&valid);
-    if (!valid) {
+    int index = action_data.toInt(&valid);
+    if(!valid) {
         index = -1;
     }
     auto accounts = APPLICATION->accounts();
@@ -1060,10 +1062,11 @@ void MainWindow::on_actionChangeInstIcon_triggered()
 
 void MainWindow::iconUpdated(QString icon)
 {
-    if (icon == m_currentInstIcon) {
-        auto icon = APPLICATION->icons()->getIcon(m_currentInstIcon);
-        ui->actionChangeInstIcon->setIcon(icon);
-        changeIconButton->setIcon(icon);
+    if (icon == m_currentInstIcon)
+    {
+        auto new_icon = APPLICATION->icons()->getIcon(m_currentInstIcon);
+        ui->actionChangeInstIcon->setIcon(new_icon);
+        changeIconButton->setIcon(new_icon);
     }
 }
 
@@ -1590,7 +1593,7 @@ void MainWindow::startTask(Task* task)
     task->start();
 }
 
-void MainWindow::instanceChanged(const QModelIndex& current, const QModelIndex& previous)
+void MainWindow::instanceChanged(const QModelIndex& current, [[maybe_unused]] const QModelIndex& previous)
 {
     if (!current.isValid()) {
         APPLICATION->settings()->set("SelectedInstance", QString());
@@ -1725,8 +1728,9 @@ void MainWindow::setInstanceActionsEnabled(bool enabled)
     ui->actionCreateInstanceShortcut->setEnabled(enabled);
 }
 
-void MainWindow::refreshCurrentInstance(bool running)
+void MainWindow::refreshCurrentInstance([[maybe_unused]] bool running)
 {
     auto current = view->selectionModel()->currentIndex();
     instanceChanged(current, current);
 }
+
diff --git a/launcher/ui/dialogs/CopyInstanceDialog.cpp b/launcher/ui/dialogs/CopyInstanceDialog.cpp
index d75bb5fe..ffa1e31b 100644
--- a/launcher/ui/dialogs/CopyInstanceDialog.cpp
+++ b/launcher/ui/dialogs/CopyInstanceDialog.cpp
@@ -220,7 +220,7 @@ void CopyInstanceDialog::on_iconButton_clicked()
     }
 }
 
-void CopyInstanceDialog::on_instNameTextBox_textChanged(const QString& arg1)
+void CopyInstanceDialog::on_instNameTextBox_textChanged([[maybe_unused]] const QString& arg1)
 {
     updateDialogState();
 }
diff --git a/launcher/ui/dialogs/ExportInstanceDialog.cpp b/launcher/ui/dialogs/ExportInstanceDialog.cpp
index d6a503cc..703736d6 100644
--- a/launcher/ui/dialogs/ExportInstanceDialog.cpp
+++ b/launcher/ui/dialogs/ExportInstanceDialog.cpp
@@ -195,8 +195,8 @@ void ExportInstanceDialog::loadPackIgnore()
     if (!ignoreFile.open(QIODevice::ReadOnly)) {
         return;
     }
-    auto data = ignoreFile.readAll();
-    auto string = QString::fromUtf8(data);
+    auto ignoreData = ignoreFile.readAll();
+    auto string = QString::fromUtf8(ignoreData);
 #if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
     proxyModel->setBlockedPaths(string.split('\n', Qt::SkipEmptyParts));
 #else
@@ -206,10 +206,10 @@ void ExportInstanceDialog::loadPackIgnore()
 
 void ExportInstanceDialog::savePackIgnore()
 {
-    auto data = proxyModel->blockedPaths().toStringList().join('\n').toUtf8();
+    auto ignoreData = proxyModel->blockedPaths().toStringList().join('\n').toUtf8();
     auto filename = ignoreFileName();
     try {
-        FS::write(filename, data);
+        FS::write(filename, ignoreData);
     } catch (const Exception& e) {
         qWarning() << e.cause();
     }
diff --git a/launcher/ui/dialogs/NewInstanceDialog.cpp b/launcher/ui/dialogs/NewInstanceDialog.cpp
index 2f1854d8..3e6456bc 100644
--- a/launcher/ui/dialogs/NewInstanceDialog.cpp
+++ b/launcher/ui/dialogs/NewInstanceDialog.cpp
@@ -295,7 +295,7 @@ void NewInstanceDialog::on_iconButton_clicked()
     }
 }
 
-void NewInstanceDialog::on_instNameTextBox_textChanged(const QString& arg1)
+void NewInstanceDialog::on_instNameTextBox_textChanged([[maybe_unused]] const QString& arg1)
 {
     updateDialogState();
 }
diff --git a/launcher/ui/dialogs/ProfileSetupDialog.cpp b/launcher/ui/dialogs/ProfileSetupDialog.cpp
index 64c0b924..758f7f23 100644
--- a/launcher/ui/dialogs/ProfileSetupDialog.cpp
+++ b/launcher/ui/dialogs/ProfileSetupDialog.cpp
@@ -167,14 +167,14 @@ void ProfileSetupDialog::checkName(const QString &name) {
 
 void ProfileSetupDialog::checkFinished(
     QNetworkReply::NetworkError error,
-    QByteArray data,
-    QList<QNetworkReply::RawHeaderPair> headers
+    QByteArray profileData,
+    [[maybe_unused]] QList<QNetworkReply::RawHeaderPair> headers
 ) {
     auto requestor = qobject_cast<AuthRequest *>(QObject::sender());
     requestor->deleteLater();
 
     if(error == QNetworkReply::NoError) {
-        auto doc = QJsonDocument::fromJson(data);
+        auto doc = QJsonDocument::fromJson(profileData);
         auto root = doc.object();
         auto statusValue = root.value("status").toString("INVALID");
         if(statusValue == "AVAILABLE") {
@@ -210,11 +210,11 @@ void ProfileSetupDialog::setupProfile(const QString &profileName) {
     request.setRawHeader("Authorization", QString("Bearer %1").arg(token).toUtf8());
 
     QString payloadTemplate("{\"profileName\":\"%1\"}");
-    auto data = payloadTemplate.arg(profileName).toUtf8();
+    auto profileData = payloadTemplate.arg(profileName).toUtf8();
 
     AuthRequest *requestor = new AuthRequest(this);
     connect(requestor, &AuthRequest::finished, this, &ProfileSetupDialog::setupProfileFinished);
-    requestor->post(request, data);
+    requestor->post(request, profileData);
     isWorking = true;
 
     auto button = ui->buttonBox->button(QDialogButtonBox::Cancel);
@@ -251,8 +251,8 @@ struct MojangError{
 
 void ProfileSetupDialog::setupProfileFinished(
     QNetworkReply::NetworkError error,
-    QByteArray data,
-    QList<QNetworkReply::RawHeaderPair> headers
+    QByteArray errorData,
+    [[maybe_unused]] QList<QNetworkReply::RawHeaderPair> headers
 ) {
     auto requestor = qobject_cast<AuthRequest *>(QObject::sender());
     requestor->deleteLater();
@@ -266,7 +266,7 @@ void ProfileSetupDialog::setupProfileFinished(
         accept();
     }
     else {
-        auto parsedError = MojangError::fromJSON(data);
+        auto parsedError = MojangError::fromJSON(errorData);
         ui->errorLabel->setVisible(true);
         ui->errorLabel->setText(tr("The server returned the following error:") + "\n\n" + parsedError.errorMessage);
         qDebug() << parsedError.rawError;
diff --git a/launcher/ui/dialogs/ProgressDialog.cpp b/launcher/ui/dialogs/ProgressDialog.cpp
index 4243e291..222ce973 100644
--- a/launcher/ui/dialogs/ProgressDialog.cpp
+++ b/launcher/ui/dialogs/ProgressDialog.cpp
@@ -87,7 +87,7 @@ void ProgressDialog::on_skipButton_clicked(bool checked)
 {
     Q_UNUSED(checked);
     if (ui->skipButton->isEnabled())  // prevent other triggers from aborting
-        task->abort();
+        m_task->abort();
 }
 
 ProgressDialog::~ProgressDialog()
@@ -132,7 +132,7 @@ void ProgressDialog::updateSize(bool recenterParent)
 
 int ProgressDialog::execWithTask(Task* task)
 {
-    this->task = task;
+    this->m_task = task;
 
     if (!task) {
         qDebug() << "Programmer error: Progress dialog created with null task.";
@@ -184,8 +184,8 @@ int ProgressDialog::execWithTask(std::unique_ptr<Task>& task)
 
 bool ProgressDialog::handleImmediateResult(QDialog::DialogCode& result)
 {
-    if (task->isFinished()) {
-        if (task->wasSuccessful()) {
+    if (m_task->isFinished()) {
+        if (m_task->wasSuccessful()) {
             result = QDialog::Accepted;
         } else {
             result = QDialog::Rejected;
@@ -197,12 +197,12 @@ bool ProgressDialog::handleImmediateResult(QDialog::DialogCode& result)
 
 Task* ProgressDialog::getTask()
 {
-    return task;
+    return m_task;
 }
 
 void ProgressDialog::onTaskStarted() {}
 
-void ProgressDialog::onTaskFailed(QString failure)
+void ProgressDialog::onTaskFailed([[maybe_unused]] QString failure)
 {
     reject();
     hide();
@@ -214,13 +214,14 @@ void ProgressDialog::onTaskSucceeded()
     hide();
 }
 
-void ProgressDialog::changeStatus(const QString& status)
+void ProgressDialog::changeStatus([[maybe_unused]] const QString& status)
 {
-    ui->globalStatusLabel->setText(task->getStatus());
+    ui->globalStatusLabel->setText(m_task->getStatus());
     ui->globalStatusLabel->adjustSize();
-    ui->globalStatusDetailsLabel->setText(task->getDetails());
+    ui->globalStatusDetailsLabel->setText(m_task->getDetails());
     ui->globalStatusDetailsLabel->adjustSize();
 
+
     updateSize();
 }
 
@@ -287,7 +288,7 @@ void ProgressDialog::keyPressEvent(QKeyEvent* e)
 
 void ProgressDialog::closeEvent(QCloseEvent* e)
 {
-    if (task && task->isRunning()) {
+    if (m_task && m_task->isRunning()) {
         e->ignore();
     } else {
         QDialog::closeEvent(e);
diff --git a/launcher/ui/dialogs/ProgressDialog.h b/launcher/ui/dialogs/ProgressDialog.h
index f062be08..51700d87 100644
--- a/launcher/ui/dialogs/ProgressDialog.h
+++ b/launcher/ui/dialogs/ProgressDialog.h
@@ -98,7 +98,7 @@ private:
 private:
     Ui::ProgressDialog *ui;
 
-    Task *task;
+    Task *m_task;
 
     bool m_is_multi_step = false;
     QHash<QUuid, SubTaskProgressBar*> taskProgress;
diff --git a/launcher/ui/dialogs/ResourceDownloadDialog.cpp b/launcher/ui/dialogs/ResourceDownloadDialog.cpp
index c243ce28..4b82c0c5 100644
--- a/launcher/ui/dialogs/ResourceDownloadDialog.cpp
+++ b/launcher/ui/dialogs/ResourceDownloadDialog.cpp
@@ -300,7 +300,7 @@ GetModDependenciesTask::Ptr ModDownloadDialog::getModDependenciesTask()
         return makeShared<GetModDependenciesTask>(this, m_instance, model, selectedVers);
     }
     return nullptr;
-};
+}
 
 ResourcePackDownloadDialog::ResourcePackDownloadDialog(QWidget* parent,
                                                        const std::shared_ptr<ResourcePackFolderModel>& resource_packs,
diff --git a/launcher/ui/dialogs/ReviewMessageBox.cpp b/launcher/ui/dialogs/ReviewMessageBox.cpp
index 7b33765f..78c2542f 100644
--- a/launcher/ui/dialogs/ReviewMessageBox.cpp
+++ b/launcher/ui/dialogs/ReviewMessageBox.cpp
@@ -5,7 +5,7 @@
 
 #include <QPushButton>
 
-ReviewMessageBox::ReviewMessageBox(QWidget* parent, QString const& title, QString const& icon)
+ReviewMessageBox::ReviewMessageBox(QWidget* parent, [[maybe_unused]] QString const& title, [[maybe_unused]] QString const& icon)
     : QDialog(parent), ui(new Ui::ReviewMessageBox)
 {
     ui->setupUi(this);
diff --git a/launcher/ui/dialogs/SkinUploadDialog.cpp b/launcher/ui/dialogs/SkinUploadDialog.cpp
index 8180ac1f..1ff15c87 100644
--- a/launcher/ui/dialogs/SkinUploadDialog.cpp
+++ b/launcher/ui/dialogs/SkinUploadDialog.cpp
@@ -155,15 +155,15 @@ SkinUploadDialog::SkinUploadDialog(MinecraftAccountPtr acct, QWidget *parent)
     ui->setupUi(this);
 
     // FIXME: add a model for this, download/refresh the capes on demand
-    auto &data = *acct->accountData();
+    auto &accountData = *acct->accountData();
     int index = 0;
     ui->capeCombo->addItem(tr("No Cape"), QVariant());
-    auto currentCape = data.minecraftProfile.currentCape;
+    auto currentCape = accountData.minecraftProfile.currentCape;
     if(currentCape.isEmpty()) {
         ui->capeCombo->setCurrentIndex(index);
     }
 
-    for(auto & cape: data.minecraftProfile.capes) {
+    for(auto & cape: accountData.minecraftProfile.capes) {
         index++;
         if(cape.data.size()) {
             QPixmap capeImage;
diff --git a/launcher/ui/instanceview/InstanceDelegate.cpp b/launcher/ui/instanceview/InstanceDelegate.cpp
index 137cc8d5..384c33f3 100644
--- a/launcher/ui/instanceview/InstanceDelegate.cpp
+++ b/launcher/ui/instanceview/InstanceDelegate.cpp
@@ -400,7 +400,9 @@ signals:
     void editingDone();
 };
 
-void ListViewDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const
+void ListViewDelegate::updateEditorGeometry(QWidget* editor,
+                                            const QStyleOptionViewItem& option,
+                                            [[maybe_unused]] const QModelIndex& index) const
 {
     const int iconSize = 48;
     QRect textRect = option.rect;
@@ -412,17 +414,17 @@ void ListViewDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionV
 void ListViewDelegate::setEditorData(QWidget* editor, const QModelIndex& index) const
 {
     auto text = index.data(Qt::EditRole).toString();
-    QTextEdit * realeditor = qobject_cast<NoReturnTextEdit *>(editor);
-    realeditor->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
-    realeditor->append(text);
-    realeditor->selectAll();
-    realeditor->document()->clearUndoRedoStacks();
+    QTextEdit* realEditor = qobject_cast<NoReturnTextEdit*>(editor);
+    realEditor->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
+    realEditor->append(text);
+    realEditor->selectAll();
+    realEditor->document()->clearUndoRedoStacks();
 }
 
 void ListViewDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const
 {
-    QTextEdit * realeditor = qobject_cast<NoReturnTextEdit *>(editor);
-    QString text = realeditor->toPlainText();
+    QTextEdit * realEditor = qobject_cast<NoReturnTextEdit *>(editor);
+    QString text = realEditor->toPlainText();
     text.replace(QChar('\n'), QChar(' '));
     text = text.trimmed();
     // Prevent instance names longer than 128 chars
@@ -433,7 +435,9 @@ void ListViewDelegate::setModelData(QWidget* editor, QAbstractItemModel* model,
     }
 }
 
-QWidget * ListViewDelegate::createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const
+QWidget* ListViewDelegate::createEditor(QWidget* parent,
+                                        [[maybe_unused]] const QStyleOptionViewItem& option,
+                                        [[maybe_unused]] const QModelIndex& index) const
 {
     auto editor = new NoReturnTextEdit(parent);
     connect(editor, &NoReturnTextEdit::editingDone, this, &ListViewDelegate::editingDone);
diff --git a/launcher/ui/instanceview/InstanceView.cpp b/launcher/ui/instanceview/InstanceView.cpp
index 05f0004d..6cbada3e 100644
--- a/launcher/ui/instanceview/InstanceView.cpp
+++ b/launcher/ui/instanceview/InstanceView.cpp
@@ -89,16 +89,18 @@ void InstanceView::setModel(QAbstractItemModel *model)
     connect(model, &QAbstractItemModel::rowsRemoved, this, &InstanceView::rowsRemoved);
 }
 
-void InstanceView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles)
+void InstanceView::dataChanged([[maybe_unused]] const QModelIndex& topLeft,
+                               [[maybe_unused]] const QModelIndex& bottomRight,
+                               [[maybe_unused]] const QVector<int>& roles)
 {
     scheduleDelayedItemsLayout();
 }
-void InstanceView::rowsInserted(const QModelIndex &parent, int start, int end)
+void InstanceView::rowsInserted([[maybe_unused]] const QModelIndex& parent, [[maybe_unused]] int start, [[maybe_unused]] int end)
 {
     scheduleDelayedItemsLayout();
 }
 
-void InstanceView::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
+void InstanceView::rowsAboutToBeRemoved([[maybe_unused]] const QModelIndex& parent, [[maybe_unused]] int start, [[maybe_unused]] int end)
 {
     scheduleDelayedItemsLayout();
 }
@@ -264,9 +266,9 @@ QString InstanceView::groupNameAt(const QPoint &point)
 {
     executeDelayedItemsLayout();
 
-    VisualGroup::HitResults hitresult;
-    auto group = categoryAt(point + offset(), hitresult);
-    if(group && (hitresult & (VisualGroup::HeaderHit | VisualGroup::BodyHit)))
+    VisualGroup::HitResults hitResult;
+    auto group = categoryAt(point + offset(), hitResult);
+    if(group && (hitResult & (VisualGroup::HeaderHit | VisualGroup::BodyHit)))
     {
         return group->text;
     }
@@ -301,9 +303,9 @@ void InstanceView::mousePressEvent(QMouseEvent *event)
     m_pressedAlreadySelected = selectionModel()->isSelected(m_pressedIndex);
     m_pressedPosition = geometryPos;
 
-    VisualGroup::HitResults hitresult;
-    m_pressedCategory = categoryAt(geometryPos, hitresult);
-    if (m_pressedCategory && hitresult & VisualGroup::CheckboxHit)
+    VisualGroup::HitResults hitResult;
+    m_pressedCategory = categoryAt(geometryPos, hitResult);
+    if (m_pressedCategory && hitResult & VisualGroup::CheckboxHit)
     {
         setState(m_pressedCategory->collapsed ? ExpandingState : CollapsingState);
         event->accept();
@@ -403,10 +405,10 @@ void InstanceView::mouseReleaseEvent(QMouseEvent *event)
     QPoint geometryPos = event->pos() + offset();
     QPersistentModelIndex index = indexAt(visualPos);
 
-    VisualGroup::HitResults hitresult;
+    VisualGroup::HitResults hitResult;
 
     bool click = (index == m_pressedIndex && index.isValid()) ||
-                 (m_pressedCategory && m_pressedCategory == categoryAt(geometryPos, hitresult));
+                 (m_pressedCategory && m_pressedCategory == categoryAt(geometryPos, hitResult));
 
     if (click && m_pressedCategory)
     {
@@ -499,6 +501,7 @@ void InstanceView::mouseDoubleClickEvent(QMouseEvent *event)
     }
 }
 
+
 void InstanceView::setPaintCat(bool visible)
 {
     m_catVisible = visible;
@@ -508,7 +511,7 @@ void InstanceView::setPaintCat(bool visible)
         m_catPixmap = QPixmap();
 }
 
-void InstanceView::paintEvent(QPaintEvent* event)
+void InstanceView::paintEvent([[maybe_unused]] QPaintEvent *event)
 {
     executeDelayedItemsLayout();
 
@@ -612,7 +615,7 @@ void InstanceView::paintEvent(QPaintEvent* event)
 #endif
 }
 
-void InstanceView::resizeEvent(QResizeEvent *event)
+void InstanceView::resizeEvent([[maybe_unused]] QResizeEvent *event)
 {
     int newItemsPerRow = calculateItemsPerRow();
     if(newItemsPerRow != m_currentItemsPerRow)
@@ -653,7 +656,7 @@ void InstanceView::dragMoveEvent(QDragMoveEvent *event)
     event->accept();
 }
 
-void InstanceView::dragLeaveEvent(QDragLeaveEvent *event)
+void InstanceView::dragLeaveEvent([[maybe_unused]] QDragLeaveEvent *event)
 {
     executeDelayedItemsLayout();
 
@@ -678,9 +681,9 @@ void InstanceView::dropEvent(QDropEvent *event)
         {
             std::pair<VisualGroup *, VisualGroup::HitResults> dropPos = rowDropPos(event->pos());
             const VisualGroup *group = dropPos.first;
-            auto hitresult = dropPos.second;
+            auto hitResult = dropPos.second;
 
-            if (hitresult == VisualGroup::HitResult::NoHit)
+            if (hitResult == VisualGroup::HitResult::NoHit)
             {
                 viewport()->update();
                 return;
@@ -720,8 +723,8 @@ void InstanceView::startDrag(Qt::DropActions supportedActions)
     if(indexes.count() == 0)
         return;
 
-    QMimeData *data = model()->mimeData(indexes);
-    if (!data)
+    QMimeData *mimeData = model()->mimeData(indexes);
+    if (!mimeData)
     {
         return;
     }
@@ -729,7 +732,7 @@ void InstanceView::startDrag(Qt::DropActions supportedActions)
     QPixmap pixmap = renderToPixmap(indexes, &rect);
     QDrag *drag = new QDrag(this);
     drag->setPixmap(pixmap);
-    drag->setMimeData(data);
+    drag->setMimeData(mimeData);
     drag->setHotSpot(m_pressedPosition - rect.topLeft());
     Qt::DropAction defaultDropAction = Qt::IgnoreAction;
     if (this->defaultDropAction() != Qt::IgnoreAction && (supportedActions & this->defaultDropAction()))
@@ -856,16 +859,16 @@ QList<std::pair<QRect, QModelIndex>> InstanceView::draggablePaintPairs(const QMo
     return ret;
 }
 
-bool InstanceView::isDragEventAccepted(QDropEvent *event)
+bool InstanceView::isDragEventAccepted([[maybe_unused]] QDropEvent *event)
 {
     return true;
 }
 
 std::pair<VisualGroup *, VisualGroup::HitResults> InstanceView::rowDropPos(const QPoint &pos)
 {
-    VisualGroup::HitResults hitresult;
-    auto group = categoryAt(pos + offset(), hitresult);
-    return std::make_pair(group, hitresult);
+    VisualGroup::HitResults hitResult;
+    auto group = categoryAt(pos + offset(), hitResult);
+    return std::make_pair(group, hitRe