[welcome] Switch to using the message from the Config object

- The Config object owns the requirements model, and has messages /
  strings describing the state of the model. Use that message,
  dropping the duplicate message from the requirements widget.
- Re-jig to pass the Config object around rather than the model
  that it owns.
- This does not work, because translation events do not arrive
  (and the slot isn't called automatically either).

src/modules/welcome/Config.cpp

@@ -63,11 +63,11 @@ Config::retranslate()
             message = setup ? tr( "This computer does not satisfy some of the "
                                   "recommended requirements for setting up %1.<br/>"
                                   "Setup can continue, but some features "
-                                  "might be disabled." )
+                                  "might be reduced." )
                             : tr( "This computer does not satisfy some of the "
                                   "recommended requirements for installing %1.<br/>"
                                   "Installation can continue, but some features "
-                                  "might be disabled." );
+                                  "might be reduced." );
         }
 
         m_warningMessage = message.arg( Calamares::Branding::instance()->shortVersionedName() );

src/modules/welcome/WelcomePage.cpp

@@ -36,12 +36,12 @@
 #include <QLabel>
 #include <QMessageBox>
 
-WelcomePage::WelcomePage( Config* conf, QWidget* parent )
+WelcomePage::WelcomePage( Config* config, QWidget* parent )
     : QWidget( parent )
     , ui( new Ui::WelcomePage )
-    , m_checkingWidget( new CheckerContainer( *( conf->requirementsModel() ), this ) )
+    , m_checkingWidget( new CheckerContainer( config, this ) )
     , m_languages( nullptr )
-    , m_conf( conf )
+    , m_conf( config )
 {
     using Branding = Calamares::Branding;
 

src/modules/welcome/WelcomePage.h

@@ -27,7 +27,7 @@ class WelcomePage : public QWidget
 {
     Q_OBJECT
 public:
-    explicit WelcomePage( Config* conf, QWidget* parent = nullptr );
+    WelcomePage( Config* config, QWidget* parent = nullptr );
 
     enum class Button
     {

src/modules/welcome/checker/CheckerContainer.cpp

@@ -22,12 +22,12 @@
 
 #include <QHBoxLayout>
 
-CheckerContainer::CheckerContainer( const Calamares::RequirementsModel& model, QWidget* parent )
+CheckerContainer::CheckerContainer( Config* config, QWidget* parent )
     : QWidget( parent )
     , m_waitingWidget( new WaitingWidget( QString(), this ) )
     , m_checkerWidget( nullptr )
     , m_verdict( false )
-    , m_model( model )
+    , m_config( config )
 {
     QBoxLayout* mainLayout = new QHBoxLayout;
     setLayout( mainLayout );
@@ -49,13 +49,14 @@ CheckerContainer::requirementsComplete( bool ok )
 {
     if ( !ok )
     {
-        cDebug() << "Requirements not satisfied" << m_model.count() << "entries:";
-        for ( int i = 0; i < m_model.count(); ++i )
+        auto& model = *( m_config->requirementsModel() );
+        cDebug() << "Requirements not satisfied" << model.count() << "entries:";
+        for ( int i = 0; i < model.count(); ++i )
         {
-            auto index = m_model.index( i );
-            cDebug() << Logger::SubEntry << i << m_model.data( index, Calamares::RequirementsModel::Name ).toString()
-                     << "set?" << m_model.data( index, Calamares::RequirementsModel::Satisfied ).toBool() << "req?"
-                     << m_model.data( index, Calamares::RequirementsModel::Mandatory ).toBool();
+            auto index = model.index( i );
+            cDebug() << Logger::SubEntry << i << model.data( index, Calamares::RequirementsModel::Name ).toString()
+                     << "set?" << model.data( index, Calamares::RequirementsModel::Satisfied ).toBool() << "req?"
+                     << model.data( index, Calamares::RequirementsModel::Mandatory ).toBool();
         }
     }
 
@@ -63,7 +64,7 @@ CheckerContainer::requirementsComplete( bool ok )
     m_waitingWidget->deleteLater();
     m_waitingWidget = nullptr;  // Don't delete in destructor
 
-    m_checkerWidget = new ResultsListWidget( m_model, this );
+    m_checkerWidget = new ResultsListWidget( m_config, this );
     m_checkerWidget->setObjectName( "requirementsChecker" );
     layout()->addWidget( m_checkerWidget );
 

src/modules/welcome/checker/CheckerContainer.h

@@ -15,6 +15,7 @@
 #define CHECKERCONTAINER_H
 
 #include "Config.h"
+
 #include <QWidget>
 
 class ResultsListWidget;
@@ -31,7 +32,7 @@ class CheckerContainer : public QWidget
 {
     Q_OBJECT
 public:
-    explicit CheckerContainer( const Calamares::RequirementsModel& model, QWidget* parent = nullptr );
+    explicit CheckerContainer( Config* config, QWidget* parent = nullptr );
     ~CheckerContainer() override;
 
     bool verdict() const;
@@ -49,7 +50,7 @@ protected:
     bool m_verdict;
 
 private:
-    const Calamares::RequirementsModel& m_model;
+    Config* m_config = nullptr;
 };
 
 #endif

src/modules/welcome/checker/ResultsListWidget.cpp

@@ -149,9 +149,9 @@ ResultsListDialog::retranslate()
 }
 
 
-ResultsListWidget::ResultsListWidget( const Calamares::RequirementsModel& model, QWidget* parent )
+ResultsListWidget::ResultsListWidget( Config* config, QWidget* parent )
     : QWidget( parent )
-    , m_model( model )
+    , m_config( config )
 {
     setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
 
@@ -169,23 +169,25 @@ ResultsListWidget::ResultsListWidget( const Calamares::RequirementsModel& model,
     spacerLayout->addSpacing( paddingSize );
     CalamaresUtils::unmarginLayout( spacerLayout );
 
-    m_explanation = new QLabel;
-    m_explanation->setWordWrap( true );
-    m_explanation->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Preferred );
-    m_explanation->setOpenExternalLinks( false );
-    m_explanation->setObjectName( "resultsExplanation" );
-    connect( m_explanation, &QLabel::linkActivated, this, &ResultsListWidget::linkClicked );
-    entriesLayout->addWidget( m_explanation );
+    auto* explanation = new QLabel;
+    explanation->setWordWrap( true );
+    explanation->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Preferred );
+    explanation->setOpenExternalLinks( false );
+    explanation->setObjectName( "resultsExplanation" );
+    connect( explanation, &QLabel::linkActivated, this, &ResultsListWidget::linkClicked );
+    entriesLayout->addWidget( explanation );
+
+    connect( config, &Config::warningMessageChanged, explanation, &QLabel::setText );
 
     // Check that all are satisfied (gives warnings if not) and
     // all *mandatory* entries are satisfied (gives errors if not).
 
-    const bool requirementsSatisfied = m_model.satisfiedRequirements();
+    const bool requirementsSatisfied = config->requirementsModel()->satisfiedRequirements();
     auto isUnSatisfied = []( const Calamares::RequirementsModel& m, QModelIndex i ) {
         return !m.data( i, Calamares::RequirementsModel::Satisfied ).toBool();
     };
 
-    createResultWidgets( entriesLayout, m_resultWidgets, model, isUnSatisfied );
+    createResultWidgets( entriesLayout, m_resultWidgets, *( config->requirementsModel() ), isUnSatisfied );
 
     if ( !requirementsSatisfied )
     {
@@ -220,7 +222,7 @@ ResultsListWidget::ResultsListWidget( const Calamares::RequirementsModel& model,
                 mainLayout->addWidget( imageLabel );
             }
         }
-        m_explanation->setAlignment( Qt::AlignCenter );
+        explanation->setAlignment( Qt::AlignCenter );
     }
 
     CALAMARES_RETRANSLATE_SLOT( &ResultsListWidget::retranslate );
@@ -233,7 +235,7 @@ ResultsListWidget::linkClicked( const QString& link )
 {
     if ( link == "#details" )
     {
-        auto* dialog = new ResultsListDialog( m_model, this );
+        auto* dialog = new ResultsListDialog( *( m_config->requirementsModel() ), this );
         dialog->exec();
         dialog->deleteLater();
     }
@@ -242,52 +244,15 @@ ResultsListWidget::linkClicked( const QString& link )
 void
 ResultsListWidget::retranslate()
 {
-    for ( auto i = 0; i < m_model.count(); i++ )
+    const auto& model = *( m_config->requirementsModel() );
+    for ( auto i = 0; i < model.count(); i++ )
     {
         if ( m_resultWidgets[ i ] )
         {
             m_resultWidgets[ i ]->setText(
-                m_model.data( m_model.index( i ), Calamares::RequirementsModel::NegatedText ).toString() );
+                model.data( model.index( i ), Calamares::RequirementsModel::NegatedText ).toString() );
         }
     }
-
-    // Check that all are satisfied (gives warnings if not) and
-    // all *mandatory* entries are satisfied (gives errors if not).
-
-    if ( !m_model.satisfiedRequirements() )
-    {
-        QString message;
-        const bool setup = Calamares::Settings::instance()->isSetupMode();
-        if ( !m_model.satisfiedMandatory() )
-        {
-            message = setup ? tr( "This computer does not satisfy the minimum "
-                                  "requirements for setting up %1.<br/>"
-                                  "Setup cannot continue. "
-                                  "<a href=\"#details\">Details...</a>" )
-                            : tr( "This computer does not satisfy the minimum "
-                                  "requirements for installing %1.<br/>"
-                                  "Installation cannot continue. "
-                                  "<a href=\"#details\">Details...</a>" );
-        }
-        else
-        {
-            message = setup ? tr( "This computer does not satisfy some of the "
-                                  "recommended requirements for setting up %1.<br/>"
-                                  "Setup can continue, but some features "
-                                  "might be disabled." )
-                            : tr( "This computer does not satisfy some of the "
-                                  "recommended requirements for installing %1.<br/>"
-                                  "Installation can continue, but some features "
-                                  "might be disabled." );
-        }
-        m_explanation->setText( message.arg( Calamares::Branding::instance()->shortVersionedName() ) );
-    }
-    else
-    {
-        m_explanation->setText( tr( "This program will ask you some questions and "
-                                    "set up %2 on your computer." )
-                                    .arg( Calamares::Branding::instance()->productName() ) );
-    }
 }
 
 #include "utils/moc-warnings.h"

src/modules/welcome/checker/ResultsListWidget.h

@@ -14,6 +14,7 @@
 #include "ResultWidget.h"
 
 #include "Config.h"
+
 #include <QWidget>
 
 class QLabel;
@@ -21,16 +22,15 @@ class ResultsListWidget : public QWidget
 {
     Q_OBJECT
 public:
-    explicit ResultsListWidget( const Calamares::RequirementsModel& model, QWidget* parent );
+    explicit ResultsListWidget( Config* config, QWidget* parent );
 
 private:
     /// @brief A link in the explanatory text has been clicked
     void linkClicked( const QString& link );
     void retranslate();
 
-    QLabel* m_explanation = nullptr;  ///< Explanatory text above the list, with link
-    const Calamares::RequirementsModel& m_model;
     QList< ResultWidget* > m_resultWidgets;  ///< One widget for each unsatisfied entry
+    Config* m_config = nullptr;
 };
 
 #endif  // CHECKER_RESULTSLISTWIDGET_H