Hook up EncryptWidget in ChoicePage, plus improve next status handling.

src/modules/partition/gui/ChoicePage.cpp

@@ -121,6 +121,7 @@ ChoicePage::ChoicePage( QWidget* parent )
     m_previewAfterFrame->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Expanding );
     m_previewAfterLabel->hide();
     m_previewAfterFrame->hide();
+    m_encryptWidget->hide();
     // end
 }
 
@@ -157,6 +158,9 @@ ChoicePage::init( PartitionCoreModule* core )
              static_cast< void ( QComboBox::* )( int ) >( &QComboBox::currentIndexChanged ),
              this, &ChoicePage::applyDeviceChoice );
 
+    connect( m_encryptWidget, &EncryptWidget::stateChanged,
+             this, &ChoicePage::updateNextEnabled );
+
     ChoicePage::applyDeviceChoice();
 }
 
@@ -238,14 +242,8 @@ ChoicePage::setupChoices()
         if ( checked )  // An action was picked.
         {
             m_choice = static_cast< Choice >( id );
-            if ( m_choice == Replace )
-            {
-                setNextEnabled( false );
-            }
-            else
-            {
-                setNextEnabled( true );
-            }
+            updateNextEnabled();
+
             emit actionChosen();
         }
         else    // An action was unpicked, either on its own or because of another selection.
@@ -253,7 +251,8 @@ ChoicePage::setupChoices()
             if ( m_grp->checkedButton() == nullptr )  // If no other action is chosen, we must
             {                                         // set m_choice to NoChoice and reset previews.
                 m_choice = NoChoice;
-                setNextEnabled( false );
+                updateNextEnabled();
+
                 emit actionChosen();
             }
         }
@@ -392,7 +391,7 @@ ChoicePage::applyActionChoice( ChoicePage::Choice choice )
             []{},
             this );
         }
-        setNextEnabled( !m_beforePartitionBarsView->selectionModel()->selectedRows().isEmpty() );
+        updateNextEnabled();
 
         connect( m_beforePartitionBarsView->selectionModel(), SIGNAL( currentRowChanged( QModelIndex, QModelIndex ) ),
                  this, SLOT( doReplaceSelectedPartition( QModelIndex, QModelIndex ) ),
@@ -415,7 +414,7 @@ ChoicePage::applyActionChoice( ChoicePage::Choice choice )
             },
             this );
         }
-        setNextEnabled( !m_beforePartitionBarsView->selectionModel()->selectedRows().isEmpty() );
+        updateNextEnabled();
 
         connect( m_beforePartitionBarsView->selectionModel(), SIGNAL( currentRowChanged( QModelIndex, QModelIndex ) ),
                  this, SLOT( doAlongsideSetupSplitter( QModelIndex, QModelIndex ) ),
@@ -466,7 +465,7 @@ ChoicePage::doAlongsideSetupSplitter( const QModelIndex& current,
                 Calamares::Branding::instance()->
                     string( Calamares::Branding::ProductName ) );
 
-    setNextEnabled( m_beforePartitionBarsView->selectionModel()->currentIndex().isValid() );
+    updateNextEnabled();
 
     if ( m_isEfi )
         setupEfiSystemPartitionSelector();
@@ -628,7 +627,7 @@ ChoicePage::doReplaceSelectedPartition( const QModelIndex& current,
         if ( m_isEfi )
             setupEfiSystemPartitionSelector();
 
-        setNextEnabled( !m_beforePartitionBarsView->selectionModel()->selectedRows().isEmpty() );
+        updateNextEnabled();
         if ( !m_bootloaderComboBox.isNull() &&
              m_bootloaderComboBox->currentIndex() < 0 )
             m_bootloaderComboBox->setCurrentIndex( m_lastSelectedDeviceIndex );
@@ -770,10 +769,12 @@ ChoicePage::updateActionChoicePreview( ChoicePage::Choice choice )
             };
             m_beforePartitionBarsView->setSelectionFilter( filter );
             m_beforePartitionLabelsView->setSelectionFilter( filter );
+            m_encryptWidget->hide();
 
             break;
         }
     case Erase:
+        m_encryptWidget->show();
     case Replace:
         {
             m_previewBeforeLabel->setText( tr( "Current:" ) );
@@ -854,6 +855,7 @@ ChoicePage::updateActionChoicePreview( ChoicePage::Choice choice )
         m_previewAfterFrame->hide();
         m_previewBeforeLabel->setText( tr( "Current:" ) );
         m_previewAfterLabel->hide();
+        m_encryptWidget->hide();
         break;
     }
 
@@ -903,7 +905,7 @@ ChoicePage::setupEfiSystemPartitionSelector()
                         "partitioning to set up %1." )
                     .arg( Calamares::Branding::instance()->
                           string( Calamares::Branding::ShortProductName ) ) );
-        setNextEnabled( false );
+        updateNextEnabled();
     }
     else if ( efiSystemPartitions.count() == 1 ) //probably most usual situation
     {
@@ -1193,8 +1195,42 @@ ChoicePage::currentChoice() const
 
 
 void
-ChoicePage::setNextEnabled( bool enabled )
+ChoicePage::updateNextEnabled()
 {
+    bool enabled = false;
+
+    switch ( m_choice )
+    {
+    case NoChoice:
+        enabled = false;
+        break;
+    case Replace:
+        enabled = !m_beforePartitionBarsView->selectionModel()->
+                  selectedRows().isEmpty();
+        break;
+    case Alongside:
+        enabled = !m_beforePartitionBarsView->selectionModel()->
+                  selectedRows().isEmpty() &&
+                  m_beforePartitionBarsView->selectionModel()->
+                  currentIndex().isValid();
+        break;
+    case Erase:
+    case Manual:
+        enabled = true;
+    }
+
+    if ( m_isEfi &&
+         ( m_choice == Alongside ||
+           m_choice == Replace ) )
+    {
+        if ( m_core->efiSystemPartitions().count() == 0 )
+            enabled = false;
+    }
+
+    if ( m_encryptWidget->isVisible() &&
+         m_encryptWidget->state() == EncryptWidget::EncryptionUnconfirmed )
+        enabled = false;
+
     if ( enabled == m_nextEnabled )
         return;
 

src/modules/partition/gui/ChoicePage.h

@@ -76,7 +76,7 @@ private slots:
     void doAlongsideSetupSplitter( const QModelIndex& current, const QModelIndex& previous );
 
 private:
-    void setNextEnabled( bool enabled );
+    void updateNextEnabled();
     void setupChoices();
     QComboBox* createBootloaderComboBox( QWidget* parentButton );
     Device* selectedDevice();

src/modules/partition/gui/ChoicePage.ui

@@ -32,7 +32,7 @@
     </layout>
    </item>
    <item>
-    <layout class="QVBoxLayout" name="m_rightLayout" stretch="0,1,0,0,0">
+    <layout class="QVBoxLayout" name="m_rightLayout" stretch="0,1,0,0,0,0">
      <item>
       <widget class="QLabel" name="m_messageLabel">
        <property name="toolTip">
@@ -63,7 +63,7 @@
           <x>0</x>
           <y>0</y>
           <width>729</width>
-          <height>327</height>
+          <height>276</height>
          </rect>
         </property>
         <layout class="QVBoxLayout" name="m_itemsLayout">
@@ -93,6 +93,9 @@
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="EncryptWidget" name="m_encryptWidget" native="true"/>
+     </item>
      <item>
       <widget class="QLabel" name="m_selectLabel">
        <property name="text">
@@ -197,6 +200,14 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>EncryptWidget</class>
+   <extends>QWidget</extends>
+   <header>gui/EncryptWidget.h</header>
+   <container>1</container>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections/>
 </ui>