diff --git a/src/calamares/progresstree/ProgressTreeDelegate.cpp b/src/calamares/progresstree/ProgressTreeDelegate.cpp
index 67dfeebda..5fb9dbf8b 100644
--- a/src/calamares/progresstree/ProgressTreeDelegate.cpp
+++ b/src/calamares/progresstree/ProgressTreeDelegate.cpp
@@ -20,23 +20,28 @@
 #include "ProgressTreeDelegate.h"
 #include "ProgressTreeModel.h"
 
-#include "Branding.h"
 #include "CalamaresApplication.h"
 #include "CalamaresWindow.h"
 
+#include "Branding.h"
 #include "utils/CalamaresUtilsGui.h"
 
 #include <QPainter>
 
 static constexpr int const item_margin = 8;
-static inline int item_fontsize() { return CalamaresUtils::defaultFontSize() + 4; }
+static inline int
+item_fontsize()
+{
+    return CalamaresUtils::defaultFontSize() + 4;
+}
 
 QSize
-ProgressTreeDelegate::sizeHint( const QStyleOptionViewItem& option,
-                                const QModelIndex& index ) const
+ProgressTreeDelegate::sizeHint( const QStyleOptionViewItem& option, const QModelIndex& index ) const
 {
     if ( !index.isValid() )
+    {
         return option.rect.size();
+    }
 
     QFont font = qApp->font();
 
@@ -51,9 +56,7 @@ ProgressTreeDelegate::sizeHint( const QStyleOptionViewItem& option,
 
 
 void
-ProgressTreeDelegate::paint( QPainter* painter,
-                             const QStyleOptionViewItem& option,
-                             const QModelIndex& index) const
+ProgressTreeDelegate::paint( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const
 {
     QStyleOptionViewItem opt = option;
 
@@ -62,10 +65,9 @@ ProgressTreeDelegate::paint( QPainter* painter,
     initStyleOption( &opt, index );
     opt.text.clear();
 
-    painter->setBrush( QColor( Calamares::Branding::instance()->
-        styleString( Calamares::Branding::SidebarBackground ) ) );
-    painter->setPen( QColor( Calamares::Branding::instance()->
-        styleString( Calamares::Branding::SidebarText ) ) );
+    painter->setBrush(
+        QColor( Calamares::Branding::instance()->styleString( Calamares::Branding::SidebarBackground ) ) );
+    painter->setPen( QColor( Calamares::Branding::instance()->styleString( Calamares::Branding::SidebarText ) ) );
 
     paintViewStep( painter, opt, index );
 
@@ -89,14 +91,17 @@ ProgressTreeDelegate::paintViewStep( QPainter* painter,
 
     if ( isCurrent )
     {
-        painter->setPen( Calamares::Branding::instance()->
-                         styleString( Calamares::Branding::SidebarTextSelect ) );
-        QString textHighlight = Calamares::Branding::instance()->
-                           styleString( Calamares::Branding::SidebarTextHighlight );
+        painter->setPen( Calamares::Branding::instance()->styleString( Calamares::Branding::SidebarTextSelect ) );
+        QString textHighlight
+            = Calamares::Branding::instance()->styleString( Calamares::Branding::SidebarTextHighlight );
         if ( textHighlight.isEmpty() )
+        {
             painter->setBrush( CalamaresApplication::instance()->mainWindow()->palette().background() );
+        }
         else
+        {
             painter->setBrush( QColor( textHighlight ) );
+        }
     }
 
 
@@ -114,17 +119,19 @@ ProgressTreeDelegate::paintViewStep( QPainter* painter,
         shrinkSteps++;
 
         QRectF boundingBox;
-        painter->drawText( textRect, Qt::AlignHCenter | Qt::AlignVCenter | Qt::TextSingleLine, index.data().toString(), &boundingBox );
+        painter->drawText(
+            textRect, Qt::AlignHCenter | Qt::AlignVCenter | Qt::TextSingleLine, index.data().toString(), &boundingBox );
 
         // The extra check here is to avoid the changing-font-size if we're not going to use
         // it in the next iteration of the loop anyway.
-        if ( ( shrinkSteps <= maximumShrink ) && (boundingBox.width() > textRect.width() ) )
+        if ( ( shrinkSteps <= maximumShrink ) && ( boundingBox.width() > textRect.width() ) )
         {
             font.setPointSize( item_fontsize() - shrinkSteps );
             painter->setFont( font );
         }
         else
+        {
             break;  // It fits
-    }
-    while ( shrinkSteps <= maximumShrink );
+        }
+    } while ( shrinkSteps <= maximumShrink );
 }
diff --git a/src/calamares/progresstree/ProgressTreeDelegate.h b/src/calamares/progresstree/ProgressTreeDelegate.h
index 554824e06..d36bd4d14 100644
--- a/src/calamares/progresstree/ProgressTreeDelegate.h
+++ b/src/calamares/progresstree/ProgressTreeDelegate.h
@@ -33,16 +33,11 @@ public:
     using QStyledItemDelegate::QStyledItemDelegate;
 
 protected:
-    QSize sizeHint( const QStyleOptionViewItem& option,
-                    const QModelIndex& index ) const override;
-    void paint( QPainter* painter,
-                const QStyleOptionViewItem& option,
-                const QModelIndex& index ) const override;
+    QSize sizeHint( const QStyleOptionViewItem& option, const QModelIndex& index ) const override;
+    void paint( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const override;
 
 private:
-    void paintViewStep( QPainter* painter,
-                        const QStyleOptionViewItem& option,
-                        const QModelIndex& index ) const;
+    void paintViewStep( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const;
 };
 
 #endif  // PROGRESSTREEDELEGATE_H
diff --git a/src/calamares/progresstree/ProgressTreeItem.cpp b/src/calamares/progresstree/ProgressTreeItem.cpp
index 0445962ab..4c5b5b0c3 100644
--- a/src/calamares/progresstree/ProgressTreeItem.cpp
+++ b/src/calamares/progresstree/ProgressTreeItem.cpp
@@ -65,8 +65,9 @@ int
 ProgressTreeItem::row() const
 {
     if ( m_parentItem )
-        return m_parentItem->m_childItems.indexOf(
-                    const_cast< ProgressTreeItem* >( this ) );
+    {
+        return m_parentItem->m_childItems.indexOf( const_cast< ProgressTreeItem* >( this ) );
+    }
     return 0;
 }
 
@@ -80,7 +81,8 @@ ProgressTreeItem::parent()
 
 ProgressTreeRoot::ProgressTreeRoot()
     : ProgressTreeItem()
-{}
+{
+}
 
 
 QVariant
diff --git a/src/calamares/progresstree/ProgressTreeModel.cpp b/src/calamares/progresstree/ProgressTreeModel.cpp
index e3b4fa030..d4b5a0321 100644
--- a/src/calamares/progresstree/ProgressTreeModel.cpp
+++ b/src/calamares/progresstree/ProgressTreeModel.cpp
@@ -19,7 +19,8 @@
 
 #include "ProgressTreeModel.h"
 
-#include "progresstree/ViewStepItem.h"
+#include "ViewStepItem.h"
+
 #include "ViewManager.h"
 
 ProgressTreeModel::ProgressTreeModel( QObject* parent )
@@ -40,7 +41,9 @@ Qt::ItemFlags
 ProgressTreeModel::flags( const QModelIndex& index ) const
 {
     if ( !index.isValid() )
+    {
         return Qt::ItemFlags();
+    }
 
     return Qt::ItemIsEnabled;
 }
@@ -50,20 +53,30 @@ QModelIndex
 ProgressTreeModel::index( int row, int column, const QModelIndex& parent ) const
 {
     if ( !hasIndex( row, column, parent ) )
+    {
         return QModelIndex();
+    }
 
     ProgressTreeItem* parentItem;
 
     if ( !parent.isValid() )
+    {
         parentItem = m_rootItem;
+    }
     else
+    {
         parentItem = static_cast< ProgressTreeItem* >( parent.internalPointer() );
+    }
 
     ProgressTreeItem* childItem = parentItem->child( row );
     if ( childItem )
+    {
         return createIndex( row, column, childItem );
+    }
     else
+    {
         return QModelIndex();
+    }
 }
 
 
@@ -71,13 +84,17 @@ QModelIndex
 ProgressTreeModel::parent( const QModelIndex& index ) const
 {
     if ( !index.isValid() )
+    {
         return QModelIndex();
+    }
 
     ProgressTreeItem* childItem = static_cast< ProgressTreeItem* >( index.internalPointer() );
     ProgressTreeItem* parentItem = childItem->parent();
 
     if ( parentItem == m_rootItem )
+    {
         return QModelIndex();
+    }
 
     return createIndex( parentItem->row(), 0, parentItem );
 }
@@ -87,7 +104,9 @@ QVariant
 ProgressTreeModel::data( const QModelIndex& index, int role ) const
 {
     if ( !index.isValid() )
+    {
         return QVariant();
+    }
 
     ProgressTreeItem* item = static_cast< ProgressTreeItem* >( index.internalPointer() );
 
@@ -111,12 +130,18 @@ ProgressTreeModel::rowCount( const QModelIndex& parent ) const
 {
     ProgressTreeItem* parentItem;
     if ( parent.column() > 0 )
+    {
         return 0;
+    }
 
     if ( !parent.isValid() )
+    {
         parentItem = m_rootItem;
+    }
     else
+    {
         parentItem = static_cast< ProgressTreeItem* >( parent.internalPointer() );
+    }
 
     return parentItem->childCount();
 }
@@ -126,9 +151,13 @@ int
 ProgressTreeModel::columnCount( const QModelIndex& parent ) const
 {
     if ( parent.isValid() )
+    {
         return static_cast< ProgressTreeItem* >( parent.internalPointer() )->columnCount();
+    }
     else
+    {
         return m_rootItem->columnCount();
+    }
 }
 
 
@@ -152,7 +181,9 @@ QModelIndex
 ProgressTreeModel::indexFromItem( ProgressTreeItem* item )
 {
     if ( !item || !item->parent() )
+    {
         return QModelIndex();
+    }
 
     // Reconstructs a QModelIndex from a ProgressTreeItem that is somewhere in the tree.
     // Traverses the item to the root node, then rebuilds the qmodelindices from there
@@ -172,10 +203,13 @@ ProgressTreeModel::indexFromItem( ProgressTreeItem* item )
      **/
     QList< int > childIndexList;
     ProgressTreeItem* curItem = item;
-    while ( curItem != m_rootItem ) {
-        int row  = curItem->row(); //relative to its parent
-        if ( row < 0 ) // something went wrong, bail
+    while ( curItem != m_rootItem )
+    {
+        int row = curItem->row();  //relative to its parent
+        if ( row < 0 )  // something went wrong, bail
+        {
             return QModelIndex();
+        }
 
         childIndexList << row;
 
@@ -184,7 +218,7 @@ ProgressTreeModel::indexFromItem( ProgressTreeItem* item )
 
     // Now we rebuild the QModelIndex we need
     QModelIndex idx;
-    for ( int i = childIndexList.size() - 1; i >= 0 ; i-- )
+    for ( int i = childIndexList.size() - 1; i >= 0; i-- )
     {
         idx = index( childIndexList[ i ], 0, idx );
     }
diff --git a/src/calamares/progresstree/ProgressTreeView.cpp b/src/calamares/progresstree/ProgressTreeView.cpp
index 079592848..5c81e3851 100644
--- a/src/calamares/progresstree/ProgressTreeView.cpp
+++ b/src/calamares/progresstree/ProgressTreeView.cpp
@@ -19,8 +19,9 @@
 #include "ProgressTreeView.h"
 
 #include "ProgressTreeDelegate.h"
-#include "ViewManager.h"
+
 #include "Branding.h"
+#include "ViewManager.h"
 
 ProgressTreeView* ProgressTreeView::s_instance = nullptr;
 
@@ -33,9 +34,9 @@ ProgressTreeView::instance()
 ProgressTreeView::ProgressTreeView( QWidget* parent )
     : QTreeView( parent )
 {
-    s_instance = this; //FIXME: should assert when s_instance gets written and it wasn't nullptr
+    s_instance = this;  //FIXME: should assert when s_instance gets written and it wasn't nullptr
 
-    this->setObjectName("sidebarMenuApp");
+    this->setObjectName( "sidebarMenuApp" );
     setFrameShape( QFrame::NoFrame );
     setContentsMargins( 0, 0, 0, 0 );
 
@@ -55,31 +56,29 @@ ProgressTreeView::ProgressTreeView( QWidget* parent )
     setItemDelegate( m_delegate );
 
     QPalette plt = palette();
-    plt.setColor( QPalette::Base, Calamares::Branding::instance()->
-        styleString( Calamares::Branding::SidebarBackground ) );
+    plt.setColor( QPalette::Base,
+                  Calamares::Branding::instance()->styleString( Calamares::Branding::SidebarBackground ) );
     setPalette( plt );
 }
 
 
-ProgressTreeView::~ProgressTreeView()
-{
-}
+ProgressTreeView::~ProgressTreeView() {}
 
 
 void
 ProgressTreeView::setModel( QAbstractItemModel* model )
 {
     if ( ProgressTreeView::model() )
+    {
         return;
+    }
 
     QTreeView::setModel( model );
     expandAll();
 
     connect( Calamares::ViewManager::instance(),
              &Calamares::ViewManager::currentStepChanged,
-             this, [this]()
-    {
-        viewport()->update();
-    },
-    Qt::UniqueConnection );
+             this,
+             [this]() { viewport()->update(); },
+             Qt::UniqueConnection );
 }
diff --git a/src/calamares/progresstree/ViewStepItem.cpp b/src/calamares/progresstree/ViewStepItem.cpp
index fe2fe6034..5af73fcfd 100644
--- a/src/calamares/progresstree/ViewStepItem.cpp
+++ b/src/calamares/progresstree/ViewStepItem.cpp
@@ -19,6 +19,7 @@
 #include "ViewStepItem.h"
 
 #include "ProgressTreeModel.h"
+
 #include "Settings.h"
 #include "ViewManager.h"
 #include "viewpages/ViewStep.h"
@@ -35,8 +36,7 @@ ViewStepItem::ViewStepItem( std::function< QString() > prettyName,
 }
 
 
-ViewStepItem::ViewStepItem( const Calamares::ViewStep* step,
-                            ProgressTreeItem* parent )
+ViewStepItem::ViewStepItem( const Calamares::ViewStep* step, ProgressTreeItem* parent )
     : ProgressTreeItem( parent )
 {
     m_step = step;
@@ -55,8 +55,7 @@ ViewStepItem::data( int role ) const
 {
     if ( role == Qt::DisplayRole )
     {
-        return m_step ? m_step->prettyName()
-                      : m_prettyName();
+        return m_step ? m_step->prettyName() : m_prettyName();
     }
     if ( Calamares::Settings::instance()->debugMode() && role == Qt::ToolTipRole )
     {
@@ -66,9 +65,9 @@ ViewStepItem::data( int role ) const
             toolTip.append( "<br/>Type:\tViewStep" );
             toolTip.append( QString( "<br/>Pretty:\t%1" ).arg( m_step->prettyName() ) );
             toolTip.append( QString( "<br/>Status:\t%1" ).arg( m_step->prettyStatus() ) );
-            toolTip.append( QString( "<br/>Source:\t%1" ).arg(
-                                m_step->moduleInstanceKey().isEmpty() ? "built-in"
-                                                                      : m_step->moduleInstanceKey() ) );
+            toolTip.append(
+                QString( "<br/>Source:\t%1" )
+                    .arg( m_step->moduleInstanceKey().isEmpty() ? "built-in" : m_step->moduleInstanceKey() ) );
         }
         else
         {
@@ -78,8 +77,7 @@ ViewStepItem::data( int role ) const
         return toolTip;
     }
     if ( role == ProgressTreeModel::ProgressTreeItemCurrentRole )
-        return m_step ?
-                    ( Calamares::ViewManager::instance()->currentStep() == m_step ) :
-                    ( Calamares::ViewManager::instance()->currentStep() == m_accessor() );
+        return m_step ? ( Calamares::ViewManager::instance()->currentStep() == m_step )
+                      : ( Calamares::ViewManager::instance()->currentStep() == m_accessor() );
     return QVariant();
 }
diff --git a/src/calamares/progresstree/ViewStepItem.h b/src/calamares/progresstree/ViewStepItem.h
index 5a7c79b4a..3095ef43b 100644
--- a/src/calamares/progresstree/ViewStepItem.h
+++ b/src/calamares/progresstree/ViewStepItem.h
@@ -37,8 +37,7 @@ public:
                            std::function< const Calamares::ViewStep*() > accessor,
                            ProgressTreeItem* parent = nullptr );
 
-    explicit ViewStepItem( const Calamares::ViewStep* step,
-                           ProgressTreeItem* parent = nullptr );
+    explicit ViewStepItem( const Calamares::ViewStep* step, ProgressTreeItem* parent = nullptr );
 
     void appendChild( ProgressTreeItem* item ) override;