Add status info to Summary page. Still needs work to make it nice.

Also added onActivate/onLeave to ViewStep and ViewManager.

src/libcalamaresui/ViewManager.cpp

@@ -148,6 +148,8 @@ ViewManager::next()
     {
         m_currentStep++;
         m_stack->setCurrentIndex( m_currentStep );
+        step->onLeave();
+        m_steps.at( m_currentStep )->onActivate();
         installing = m_steps.at( m_currentStep ) == m_installationViewStep;
         emit currentStepChanged();
     }
@@ -169,6 +171,8 @@ ViewManager::back()
     {
         m_currentStep--;
         m_stack->setCurrentIndex( m_currentStep );
+        step->onLeave();
+        m_steps.at( m_currentStep )->onActivate();
         emit currentStepChanged();
     }
     else if ( !step->isAtBeginning() )

src/libcalamaresui/viewpages/ViewStep.cpp

@@ -25,7 +25,25 @@ ViewStep::ViewStep( QObject* parent )
     : QObject( parent )
 {}
 
+
 ViewStep::~ViewStep()
 {}
 
+
+QString
+ViewStep::prettyStatus() const
+{
+    return QString();
+}
+
+
+void
+ViewStep::onActivate()
+{}
+
+
+void
+ViewStep::onLeave()
+{}
+
 }

src/libcalamaresui/viewpages/ViewStep.h

@@ -35,6 +35,7 @@ public:
     virtual ~ViewStep();
 
     virtual QString prettyName() const = 0;
+    virtual QString prettyStatus() const;
 
     //TODO: we might want to make this a QSharedPointer
     virtual QWidget* widget() = 0;
@@ -47,6 +48,20 @@ public:
     virtual bool isAtBeginning() const = 0;
     virtual bool isAtEnd() const = 0;
 
+    /**
+     * @brief onActivate called every time a ViewStep is shown, either by going forward
+     * or backward.
+     * The default implementation does nothing.
+     */
+    virtual void onActivate();
+
+    /**
+     * @brief onLeave called every time a ViewStep is hidden and control passes to
+     * another ViewStep, either by going forward or backward.
+     * The default implementation does nothing.
+     */
+    virtual void onLeave();
+
     virtual QList< Calamares::job_ptr > jobs() const = 0;
 
 signals:

src/modules/summary/SummaryPage.cpp

@@ -18,6 +18,9 @@
 
 #include "SummaryPage.h"
 
+#include "ViewManager.h"
+#include "viewpages/ViewStep.h"
+
 #include <QBoxLayout>
 #include <QLabel>
 
@@ -25,8 +28,36 @@
 SummaryPage::SummaryPage( QWidget* parent )
     : QWidget()
 {
-    QBoxLayout *mainLayout = new QHBoxLayout;
+    QBoxLayout *mainLayout = new QVBoxLayout;
     setLayout( mainLayout );
 
+    mainLayout->addStretch();
 
+    m_label = new QLabel( this );
+    mainLayout->addWidget( m_label );
+    m_label->setWordWrap( true );
+
+    mainLayout->addStretch();
+}
+
+
+void
+SummaryPage::onActivate()
+{
+    QString text;
+    foreach ( Calamares::ViewStep* step,
+              Calamares::ViewManager::instance()->prepareSteps() )
+    {
+        //TODO: make it nice!
+        if ( !step->prettyStatus().isEmpty() )
+        {
+            if ( !text.isEmpty() )
+                text += "<br/><br/>";
+
+            text += "<h3>" + step->prettyName() +
+                    "</h3><br/>" + step->prettyStatus();
+        }
+    }
+
+    m_label->setText( text );
 }

src/modules/summary/SummaryPage.h

@@ -21,12 +21,18 @@
 
 #include <QWidget>
 
+class QLabel;
+
 class SummaryPage : public QWidget
 {
     Q_OBJECT
 public:
     explicit SummaryPage( QWidget* parent = nullptr );
 
+    void onActivate();
+
+private:
+    QLabel* m_label;
 };
 
 #endif // SUMMARYPAGE_H

src/modules/summary/SummaryViewStep.cpp

@@ -88,3 +88,10 @@ SummaryViewStep::jobs() const
     return QList< Calamares::job_ptr >();
 }
 
+
+void
+SummaryViewStep::onActivate()
+{
+    m_widget->onActivate();
+}
+

src/modules/summary/SummaryViewStep.h

@@ -51,6 +51,8 @@ public:
 
     QList< Calamares::job_ptr > jobs() const override;
 
+    void onActivate() override;
+
 private:
     SummaryPage* m_widget;
 };