NOISSUE First step towards 10000 instances

application/InstanceProxyModel.cpp

@@ -17,8 +17,7 @@ QVariant InstanceProxyModel::data(const QModelIndex & index, int role) const
     return data;
 }
 
-bool InstanceProxyModel::subSortLessThan(const QModelIndex &left,
-                                         const QModelIndex &right) const
+bool InstanceProxyModel::subSortLessThan(const QModelIndex &left, const QModelIndex &right) const
 {
     BaseInstance *pdataLeft = static_cast<BaseInstance *>(left.internalPointer());
     BaseInstance *pdataRight = static_cast<BaseInstance *>(right.internalPointer());

application/MainWindow.cpp

@@ -679,6 +679,11 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new MainWindow
 
         proxymodel = new InstanceProxyModel(this);
         proxymodel->setSourceModel(MMC->instances().get());
+        auto sortMode = MMC->settings()->getSetting("InstSortMode");
+        connect(sortMode.get(), &Setting::SettingChanged, [](const Setting &setting, QVariant value){
+            auto StrValue = value.toString();
+
+        });
         proxymodel->sort(0);
         connect(proxymodel, &InstanceProxyModel::dataChanged, this, &MainWindow::instanceDataChanged);
 
@@ -1370,15 +1375,17 @@ void MainWindow::finalizeInstance(InstancePtr inst)
 {
     view->updateGeometries();
     setSelectedInstanceById(inst->id());
-    if (MMC->accounts()->anyAccountIsValid())
-    {
+    if (MMC->accounts()->anyAccountIsValid()) {
         ProgressDialog loadDialog(this);
         auto update = inst->createUpdateTask(Net::Mode::Online);
-        connect(update.get(), &Task::failed, [this](QString reason)
-                {
-                    QString error = QString("Instance load failed: %1").arg(reason);
-                    CustomMessageBox::selectable(this, tr("Error"), error, QMessageBox::Warning)->show();
-                });
+        connect(
+            update.get(),
+            &Task::failed,
+            [this](QString reason) {
+                QString error = QString("Instance load failed: %1").arg(reason);
+                CustomMessageBox::selectable(this, tr("Error"), error, QMessageBox::Warning)->show();
+            }
+        );
         if(update)
         {
             loadDialog.setSkipButton(true, tr("Abort"));
@@ -1387,10 +1394,12 @@ void MainWindow::finalizeInstance(InstancePtr inst)
     }
     else
     {
-        CustomMessageBox::selectable(this, tr("Error"), tr("MultiMC cannot download Minecraft or update instances unless you have at least "
-                                                           "one account added.\nPlease add your Mojang or Minecraft account."),
-                                     QMessageBox::Warning)
-            ->show();
+        CustomMessageBox::selectable(
+            this,
+            tr("Error"),
+            tr("MultiMC cannot download Minecraft or update instances unless you have at least one account added.\nPlease add your Mojang or Minecraft account."),
+            QMessageBox::Warning
+        )->show();
     }
 }
 

application/groupview/VisualGroup.cpp

@@ -36,6 +36,7 @@ void VisualGroup::update()
 {
     auto temp_items = items();
     auto itemsPerRow = view->itemsPerRow();
+    m_itemLookup.clear();
 
     int numRows = qMax(1, qCeil((qreal)temp_items.size() / (qreal)itemsPerRow));
     rows = QVector<VisualRow>(numRows);
@@ -61,6 +62,7 @@ void VisualGroup::update()
             maxRowHeight = itemHeight;
         }
         rows[currentRow].items.append(item);
+        m_itemLookup[item] = QPair<int, int>(positionInRow, currentRow);
         positionInRow++;
     }
     rows[currentRow].height = maxRowHeight;
@@ -69,20 +71,12 @@ void VisualGroup::update()
 
 QPair<int, int> VisualGroup::positionOf(const QModelIndex &index) const
 {
-    int y = 0;
-    for (auto & row: rows)
-    {
-        for(auto x = 0; x < row.items.size(); x++)
-        {
-            if(row.items[x] == index)
-            {
-                return qMakePair(x,y);
-            }
-        }
-        y++;
+    auto iter = m_itemLookup.find(index);
+    if(iter == m_itemLookup.end()) {
+        qWarning() << "Item" << index.row() << index.data(Qt::DisplayRole).toString() << "not found in visual group" << text;
+        return qMakePair(0, 0);
     }
-    qWarning() << "Item" << index.row() << index.data(Qt::DisplayRole).toString() << "not found in visual group" << text;
-    return qMakePair(0, 0);
+    return *iter;
 }
 
 int VisualGroup::rowTopOf(const QModelIndex &index) const

application/groupview/VisualGroup.h

@@ -50,6 +50,7 @@ struct VisualGroup
     QString text;
     bool collapsed = false;
     QVector<VisualRow> rows;
+    QMap<QModelIndex, QPair<int, int>> m_itemLookup;
     int firstItemIndex = 0;
     int m_verticalPosition = 0;