Added ProgressTreeModel/View, including different kinds of items.

Redone CalamaresWindow without UI file.
Const correctness in ViewStep and plugins.

src/calamares/CMakeLists.txt

@@ -10,14 +10,22 @@ set( calamaresSources
     main.cpp
     CalamaresApplication.cpp
     CalamaresWindow.cpp
-    ViewManager.cpp
     Settings.cpp
+    ViewManager.cpp
     YamlUtils.cpp
 
     modulesystem/Module.cpp
     modulesystem/ModuleManager.cpp
     modulesystem/ViewModule.cpp
 
+    progresstree/CategoryItem.cpp
+    progresstree/ProgressTreeItem.cpp
+    progresstree/ProgressTreeModel.cpp
+    progresstree/ProgressTreeView.cpp
+    progresstree/ViewStepItem.cpp
+
+    utils/CalamaresUtilsGui.cpp
+
     viewpages/ViewStep.cpp
     viewpages/AbstractPage.cpp
 )

src/calamares/CalamaresApplication.cpp

@@ -21,6 +21,8 @@
 #include "CalamaresWindow.h"
 #include "CalamaresVersion.h"
 #include "modulesystem/ModuleManager.h"
+#include "progresstree/ProgressTreeView.h"
+#include "progresstree/ProgressTreeModel.h"
 #include "Settings.h"
 #include "utils/CalamaresUtils.h"
 #include "utils/Logger.h"
@@ -132,6 +134,11 @@ CalamaresApplication::onPluginsReady()
     connect( m_moduleManager, &Calamares::ModuleManager::modulesLoaded, [this]
     {
         m_mainwindow->show();
+
+        //TODO: move somewhere
+        ProgressTreeModel* m = new ProgressTreeModel( this );
+        ProgressTreeView::instance()->setModel( m );
+        ProgressTreeView::instance()->expandAll();
     });
 }
 

src/calamares/CalamaresWindow.cpp

@@ -18,20 +18,47 @@
 
 #include "CalamaresWindow.h"
 
+#include "progresstree/ProgressTreeView.h"
+#include "utils/CalamaresUtilsGui.h"
 #include "ViewManager.h"
 
 #include <QBoxLayout>
+#include <QLabel>
+#include <QTreeView>
 
 CalamaresWindow::CalamaresWindow( QWidget* parent )
     : QWidget( parent )
 {
-    setupUi( this );
     // Hide close button
     setWindowFlags( Qt::Window | Qt::WindowTitleHint | Qt::CustomizeWindowHint );
 
+    QBoxLayout* mainLayout = new QHBoxLayout;
+    setLayout( mainLayout );
+
+    QWidget* sideBox = new QWidget( this );
+    mainLayout->addWidget( sideBox );
+
+    QBoxLayout* sideLayout = new QVBoxLayout;
+    sideBox->setLayout( sideLayout );
+    sideBox->setFixedWidth( 190 ); //FIXME
+    sideBox->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
+
+    QHBoxLayout* logoLayout = new QHBoxLayout;
+    sideLayout->addLayout( logoLayout );
+    logoLayout->addStretch();
+    QLabel* logoLabel = new QLabel( "branding\ngoes\nhere", sideBox );
+    logoLabel->setFixedSize( 80, 80 );
+    logoLayout->addWidget( logoLabel );
+    logoLayout->addStretch();
+
+    ProgressTreeView* tv = new ProgressTreeView( sideBox );
+    sideLayout->addWidget( tv );
+    CalamaresUtils::unmarginLayout( sideLayout );
+    CalamaresUtils::unmarginLayout( mainLayout );
+
     //This should create a PageManager or ViewManager or whatever, which
     //should control the sidebar, next/back buttons and QSW.
     Calamares::ViewManager* vm = new Calamares::ViewManager( this );
 
-    layout()->addWidget( vm->centralWidget() );
+    mainLayout->addWidget( vm->centralWidget() );
 }

src/calamares/CalamaresWindow.h

@@ -19,11 +19,9 @@
 #ifndef CALAMARESWINDOW_H
 #define CALAMARESWINDOW_H
 
-#include "ui_CalamaresWindow.h"
-
 #include <QWidget>
 
-class CalamaresWindow : public QWidget, private Ui::Base
+class CalamaresWindow : public QWidget
 {
     Q_OBJECT
 public:

src/calamares/ViewManager.cpp

@@ -18,6 +18,8 @@
 
 #include "ViewManager.h"
 
+#include "viewpages/ViewStep.h"
+
 #include <QApplication>
 #include <QLabel>
 #include <QBoxLayout>
@@ -40,10 +42,6 @@ ViewManager::ViewManager( QObject* parent )
 {
     s_instance = this;
     QBoxLayout* mainLayout = new QVBoxLayout;
-    mainLayout->setContentsMargins( 0, 0, 0, 0 );
-    m_widget->setContentsMargins( 0, 0, 0, 0 );
-    mainLayout->setMargin( 0 );
-    mainLayout->setSpacing( 0 );
     m_widget->setLayout( mainLayout );
 
     m_stack = new QStackedWidget( m_widget );

src/calamares/ViewManager.h

@@ -20,16 +20,17 @@
 #define VIEWMANAGER_H
 
 #include "UiDllMacro.h"
-#include "viewpages/ViewStep.h"
 
+#include <QList>
 #include <QPushButton>
-#include <QQueue>
 #include <QStackedWidget>
 
 
 namespace Calamares
 {
 
+class ViewStep;
+
 class UIDLLEXPORT ViewManager : public QObject
 {
     Q_OBJECT
@@ -43,6 +44,7 @@ public:
 
     void addViewStep( ViewStep* step );
 
+    QList< ViewStep* > steps() const { return m_steps; }
 
 public slots:
     void next();
@@ -51,7 +53,7 @@ public slots:
 private:
     static ViewManager* s_instance;
 
-    QQueue< ViewStep* > m_steps;
+    QList< ViewStep* > m_steps;
     int m_currentStep;
 
     QWidget* m_widget;

src/calamares/progresstree/CategoryItem.cpp

@@ -0,0 +1,33 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CategoryItem.h"
+
+
+CategoryItem::CategoryItem( const QString& text, ProgressTreeItem* parent )
+    : ProgressTreeItem( parent )
+    , m_text( text )
+{}
+
+
+QVariant
+CategoryItem::data( int column ) const
+{
+    Q_UNUSED( column );
+    return m_text;
+}

src/calamares/progresstree/CategoryItem.h

@@ -0,0 +1,36 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CATEGORYITEM_H
+#define CATEGORYITEM_H
+
+#include "ProgressTreeItem.h"
+
+
+class CategoryItem : public ProgressTreeItem
+{
+public:
+    explicit CategoryItem( const QString& text, ProgressTreeItem* parent = nullptr );
+
+    virtual QVariant data( int column ) const override;
+
+private:
+    QString m_text;
+};
+
+#endif // CATEGORYITEM_H

src/calamares/progresstree/ProgressTreeItem.cpp

@@ -0,0 +1,89 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ProgressTreeItem.h"
+
+
+ProgressTreeItem::ProgressTreeItem( ProgressTreeItem* parent )
+{
+    m_parentItem = parent;
+}
+
+
+ProgressTreeItem::~ProgressTreeItem()
+{
+    qDeleteAll( m_childItems );
+}
+
+
+void
+ProgressTreeItem::appendChild( ProgressTreeItem* item )
+{
+    m_childItems.append( item );
+}
+
+
+ProgressTreeItem*
+ProgressTreeItem::child( int row )
+{
+    return m_childItems.value( row );
+}
+
+
+int
+ProgressTreeItem::childCount() const
+{
+    return m_childItems.count();
+}
+
+
+int
+ProgressTreeItem::columnCount() const
+{
+    return 1;
+}
+
+
+int
+ProgressTreeItem::row() const
+{
+    if ( m_parentItem )
+        return m_parentItem->m_childItems.indexOf(
+                    const_cast< ProgressTreeItem* >( this ) );
+    return 0;
+}
+
+
+ProgressTreeItem*
+ProgressTreeItem::parent()
+{
+    return m_parentItem;
+}
+
+
+ProgressTreeRoot::ProgressTreeRoot()
+    : ProgressTreeItem()
+{}
+
+
+QVariant
+ProgressTreeRoot::data( int column ) const
+{
+    Q_UNUSED( column );
+    return QVariant();
+}

src/calamares/progresstree/ProgressTreeItem.h

@@ -0,0 +1,54 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PROGRESSTREEITEM_H
+#define PROGRESSTREEITEM_H
+
+#include <QList>
+#include <QVariant>
+
+class ProgressTreeItem
+{
+public:
+    explicit ProgressTreeItem( ProgressTreeItem* parent = nullptr );
+
+    virtual ~ProgressTreeItem();
+
+    virtual void appendChild( ProgressTreeItem* item );
+
+    virtual ProgressTreeItem* child( int row );
+    virtual int childCount() const;
+    virtual int columnCount() const;
+    virtual QVariant data( int column ) const = 0;
+    virtual int row() const;
+    virtual ProgressTreeItem* parent();
+
+private:
+    QList< ProgressTreeItem* > m_childItems;
+    ProgressTreeItem* m_parentItem;
+};
+
+class ProgressTreeRoot : public ProgressTreeItem
+{
+public:
+    explicit ProgressTreeRoot();
+
+    virtual QVariant data( int column ) const;
+};
+
+#endif // PROGRESSTREEITEM_H

src/calamares/progresstree/ProgressTreeModel.cpp

@@ -0,0 +1,149 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ProgressTreeModel.h"
+
+#include "progresstree/CategoryItem.h"
+#include "progresstree/ViewStepItem.h"
+#include "ViewManager.h"
+
+ProgressTreeModel::ProgressTreeModel( QObject* parent )
+    : QAbstractItemModel( parent )
+{
+    setupModelData();
+}
+
+
+ProgressTreeModel::~ProgressTreeModel()
+{
+    delete m_rootItem;
+}
+
+
+Qt::ItemFlags
+ProgressTreeModel::flags( const QModelIndex& index ) const
+{
+    if ( !index.isValid() )
+        return 0;
+
+    return Qt::ItemIsEnabled;
+}
+
+
+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();
+}
+
+
+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 );
+}
+
+
+QVariant
+ProgressTreeModel::data( const QModelIndex& index, int role ) const
+{
+    if ( !index.isValid() )
+        return QVariant();
+
+    if ( role != Qt::DisplayRole )
+        return QVariant();
+
+    ProgressTreeItem *item = static_cast< ProgressTreeItem* >( index.internalPointer() );
+
+    return item->data( index.column() );
+}
+
+
+QVariant
+ProgressTreeModel::headerData( int section, Qt::Orientation orientation, int role ) const
+{
+    return QVariant();
+}
+
+
+int
+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();
+}
+
+
+int
+ProgressTreeModel::columnCount( const QModelIndex& parent ) const
+{
+    if ( parent.isValid() )
+        return static_cast< ProgressTreeItem* >( parent.internalPointer() )->columnCount();
+    else
+        return m_rootItem->columnCount();
+}
+
+
+void
+ProgressTreeModel::setupModelData()
+{
+    m_rootItem = new ProgressTreeRoot();
+    const Calamares::ViewManager* vm = Calamares::ViewManager::instance();
+
+    CategoryItem* prepare = new CategoryItem( tr( "Prepare" ), m_rootItem );
+    m_rootItem->appendChild( prepare );
+
+    foreach ( const Calamares::ViewStep* step, vm->steps() )
+    {
+        prepare->appendChild( new ViewStepItem( step, prepare ) );
+    }
+
+    m_rootItem->appendChild( new CategoryItem( tr( "Install" ), m_rootItem ) );
+    m_rootItem->appendChild( new CategoryItem( tr( "Finish" ), m_rootItem ) );
+}

src/calamares/progresstree/ProgressTreeModel.h

@@ -0,0 +1,47 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PROGRESSTREEMODEL_H
+#define PROGRESSTREEMODEL_H
+
+#include <QAbstractItemModel>
+
+class ProgressTreeRoot;
+
+class ProgressTreeModel : public QAbstractItemModel
+{
+    Q_OBJECT
+public:
+    explicit ProgressTreeModel( QObject* parent = nullptr );
+    virtual ~ProgressTreeModel();
+
+    Qt::ItemFlags flags( const QModelIndex& index ) const override;
+    QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const override;
+    QModelIndex parent( const QModelIndex& index ) const override;
+    QVariant data( const QModelIndex& index, int role = Qt::DisplayRole ) const override;
+    QVariant headerData( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const override;
+    int rowCount( const QModelIndex& parent = QModelIndex() ) const override;
+    int columnCount( const QModelIndex& parent = QModelIndex() ) const override;
+
+private:
+    void setupModelData();
+
+    ProgressTreeRoot* m_rootItem;
+};
+
+#endif // PROGRESSTREEMODEL_H

src/calamares/progresstree/ProgressTreeView.cpp

@@ -0,0 +1,53 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ProgressTreeView.h"
+
+ProgressTreeView* ProgressTreeView::s_instance = nullptr;
+
+ProgressTreeView*
+ProgressTreeView::instance()
+{
+    return s_instance;
+}
+
+ProgressTreeView::ProgressTreeView( QWidget* parent )
+    : QTreeView( parent )
+{
+    s_instance = this; //FIXME: should assert when s_instance gets written and it wasn't nullptr
+
+    setFrameShape( QFrame::NoFrame );
+    setContentsMargins( 0, 0, 0, 0 );
+
+    setHeaderHidden( true );
+    setRootIsDecorated( true );
+    setExpandsOnDoubleClick( true );
+
+    setSelectionMode( QAbstractItemView::NoSelection );
+    setDragDropMode( QAbstractItemView::NoDragDrop );
+    setAcceptDrops( false );
+    setUniformRowHeights( false );
+
+    setSortingEnabled( false );
+}
+
+
+ProgressTreeView::~ProgressTreeView()
+{
+
+}

src/calamares/progresstree/ProgressTreeView.h

@@ -0,0 +1,37 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PROGRESSTREEVIEW_H
+#define PROGRESSTREEVIEW_H
+
+#include <QTreeView>
+
+class ProgressTreeView : public QTreeView
+{
+    Q_OBJECT
+public:
+    static ProgressTreeView* instance();
+
+    explicit ProgressTreeView( QWidget* parent = 0 );
+    virtual ~ProgressTreeView();
+
+private:
+    static ProgressTreeView* s_instance;
+};
+
+#endif // PROGRESSTREEVIEW_H

src/calamares/progresstree/ViewStepItem.cpp

@@ -0,0 +1,43 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "ViewStepItem.h"
+
+#include "viewpages/ViewStep.h"
+
+
+ViewStepItem::ViewStepItem( const Calamares::ViewStep* step, ProgressTreeItem* parent )
+    : ProgressTreeItem( parent )
+{
+    m_step = step;
+}
+
+
+void
+ViewStepItem::appendChild( ProgressTreeItem* item )
+{
+    Q_ASSERT( false );
+}
+
+
+QVariant
+ViewStepItem::data( int column ) const
+{
+    Q_UNUSED( column );
+    return m_step->prettyName();
+}

src/calamares/progresstree/ViewStepItem.h

@@ -0,0 +1,43 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef VIEWSTEPITEM_H
+#define VIEWSTEPITEM_H
+
+#include "ProgressTreeItem.h"
+
+namespace Calamares
+{
+class ViewStep;
+}
+
+class ViewStepItem : public ProgressTreeItem
+{
+public:
+    explicit ViewStepItem( const Calamares::ViewStep* step, ProgressTreeItem* parent = nullptr );
+
+    void appendChild( ProgressTreeItem* item ) override;
+
+    QVariant data( int column ) const override;
+
+private:
+    const Calamares::ViewStep* m_step;
+};
+
+
+#endif // VIEWSTEPITEM_H

src/calamares/viewpages/ViewStep.h

@@ -33,7 +33,7 @@ public:
     explicit ViewStep( QObject *parent = nullptr );
     virtual ~ViewStep();
 
-    virtual QString prettyName() = 0;
+    virtual QString prettyName() const = 0;
 
     //TODO: we might want to make this a QSharedPointer
     virtual QWidget* widget() = 0;
@@ -41,10 +41,10 @@ public:
     virtual void next() = 0;
     virtual void back() = 0;
 
-    virtual bool isNextEnabled() = 0;
+    virtual bool isNextEnabled() const = 0;
 
-    virtual bool isAtBeginning() = 0;
-    virtual bool isAtEnd() = 0;
+    virtual bool isAtBeginning() const = 0;
+    virtual bool isAtEnd() const = 0;
 
 signals:
     void nextStatusChanged( bool status );

src/modules/greeting/GreetingViewStep.cpp

@@ -36,7 +36,7 @@ GreetingViewStep::~GreetingViewStep()
 
 
 QString
-GreetingViewStep::prettyName()
+GreetingViewStep::prettyName() const
 {
     return tr( "Welcome" );
 }
@@ -62,21 +62,21 @@ GreetingViewStep::back()
 
 
 bool
-GreetingViewStep::isNextEnabled()
+GreetingViewStep::isNextEnabled() const
 {
     return true;
 }
 
 
 bool
-GreetingViewStep::isAtBeginning()
+GreetingViewStep::isAtBeginning() const
 {
     return true;
 }
 
 
 bool
-GreetingViewStep::isAtEnd()
+GreetingViewStep::isAtEnd() const
 {
     return true;
 }

src/modules/greeting/GreetingViewStep.h

@@ -37,17 +37,17 @@ public:
     explicit GreetingViewStep( QObject* parent = nullptr );
     virtual ~GreetingViewStep();
 
-    QString prettyName() override;
+    QString prettyName() const override;
 
     QWidget* widget() override;
 
     void next() override;
     void back() override;
 
-    bool isNextEnabled() override;
+    bool isNextEnabled() const override;
 
-    bool isAtBeginning() override;
-    bool isAtEnd() override;
+    bool isAtBeginning() const override;
+    bool isAtEnd() const override;
 
 private:
     GreetingPage* m_widget;

src/modules/partition/PartitionViewStep.cpp

@@ -29,7 +29,7 @@ PartitionViewStep::PartitionViewStep( QObject* parent )
 
 
 QString
-PartitionViewStep::prettyName()
+PartitionViewStep::prettyName() const
 {
     return tr( "Partitions" );
 }
@@ -55,21 +55,21 @@ PartitionViewStep::back()
 
 
 bool
-PartitionViewStep::isNextEnabled()
+PartitionViewStep::isNextEnabled() const
 {
     return false;
 }
 
 
 bool
-PartitionViewStep::isAtBeginning()
+PartitionViewStep::isAtBeginning() const
 {
     return true;
 }
 
 
 bool
-PartitionViewStep::isAtEnd()
+PartitionViewStep::isAtEnd() const
 {
     return true;
 }

src/modules/partition/PartitionViewStep.h

@@ -35,17 +35,17 @@ class PLUGINDLLEXPORT PartitionViewStep : public Calamares::ViewStep
 public:
     explicit PartitionViewStep( QObject* parent = 0 );
 
-    QString prettyName() override;
+    QString prettyName() const override;
 
     QWidget* widget() override;
 
     void next() override;
     void back() override;
 
-    bool isNextEnabled() override;
+    bool isNextEnabled() const override;
 
-    bool isAtBeginning() override;
-    bool isAtEnd() override;
+    bool isAtBeginning() const override;
+    bool isAtEnd() const override;
 
 private:
     PartitionPage* m_widget;