[users] Pass the Config object to the Page

- delay construction of the Page (widget) until it's needed
- hand the Config object to the Page on construction

This is prep-work for putting the configuration information into the
Config object, rather than in the UI elements.

src/modules/users/UsersPage.cpp

@@ -79,9 +79,10 @@ labelOk( QLabel* pix, QLabel* label )
     pix->setPixmap( CalamaresUtils::defaultPixmap( CalamaresUtils::Yes, CalamaresUtils::Original, label->size() ) );
 }
 
-UsersPage::UsersPage( QWidget* parent )
+UsersPage::UsersPage( Config* config, QWidget* parent )
     : QWidget( parent )
     , ui( new Ui::Page_UserSetup )
+    , m_config( config )
     , m_readyFullName( false )
     , m_readyUsername( false )
     , m_readyHostname( false )
@@ -99,12 +100,12 @@ UsersPage::UsersPage( QWidget* parent )
     connect( ui->textBoxUserVerifiedPassword, &QLineEdit::textChanged, this, &UsersPage::onPasswordTextChanged );
     connect( ui->textBoxRootPassword, &QLineEdit::textChanged, this, &UsersPage::onRootPasswordTextChanged );
     connect( ui->textBoxVerifiedRootPassword, &QLineEdit::textChanged, this, &UsersPage::onRootPasswordTextChanged );
-    connect( ui->checkBoxValidatePassword, &QCheckBox::stateChanged, this, [ this ]( int ) {
+    connect( ui->checkBoxValidatePassword, &QCheckBox::stateChanged, this, [this]( int ) {
         onPasswordTextChanged( ui->textBoxUserPassword->text() );
         onRootPasswordTextChanged( ui->textBoxRootPassword->text() );
         checkReady( isReady() );
     } );
-    connect( ui->checkBoxReusePassword, &QCheckBox::stateChanged, this, [ this ]( int checked ) {
+    connect( ui->checkBoxReusePassword, &QCheckBox::stateChanged, this, [this]( int checked ) {
         /* When "reuse" is checked, hide the fields for explicitly
          * entering the root password. However, if we're going to
          * disable the root password anyway, hide them all regardless of

src/modules/users/UsersPage.h

@@ -29,6 +29,8 @@
 
 #include <QWidget>
 
+class Config;
+
 class QLabel;
 
 namespace Ui
@@ -40,7 +42,7 @@ class UsersPage : public QWidget
 {
     Q_OBJECT
 public:
-    explicit UsersPage( QWidget* parent = nullptr );
+    explicit UsersPage( Config* config, QWidget* parent = nullptr );
     virtual ~UsersPage();
 
     bool isReady();
@@ -95,6 +97,7 @@ private:
     void retranslate();
 
     Ui::Page_UserSetup* ui;
+    Config* m_config;
 
     PasswordCheckList m_passwordChecks;
     bool m_passwordChecksChanged = false;

src/modules/users/UsersViewStep.cpp

@@ -20,17 +20,17 @@
 
 #include "UsersViewStep.h"
 
+#include "Config.h"
 #include "SetHostNameJob.h"
 #include "SetPasswordJob.h"
 #include "UsersPage.h"
 
+#include "GlobalStorage.h"
+#include "JobQueue.h"
 #include "utils/Logger.h"
 #include "utils/NamedEnum.h"
 #include "utils/Variant.h"
 
-#include "GlobalStorage.h"
-#include "JobQueue.h"
-
 CALAMARES_PLUGIN_FACTORY_DEFINITION( UsersViewStepFactory, registerPlugin< UsersViewStep >(); )
 
 static const NamedEnumTable< SetHostNameJob::Action >&
@@ -53,11 +53,11 @@ hostnameActions()
 
 UsersViewStep::UsersViewStep( QObject* parent )
     : Calamares::ViewStep( parent )
-    , m_widget( new UsersPage() )
+    , m_widget( nullptr )
     , m_actions( SetHostNameJob::Action::None )
+    , m_config( new Config( this ) )
 {
     emit nextStatusChanged( true );
-    connect( m_widget, &UsersPage::checkReady, this, &UsersViewStep::nextStatusChanged );
 }
 
 
@@ -80,6 +80,11 @@ UsersViewStep::prettyName() const
 QWidget*
 UsersViewStep::widget()
 {
+    if ( !m_widget )
+    {
+        m_widget = new UsersPage( m_config );
+        connect( m_widget, &UsersPage::checkReady, this, &UsersViewStep::nextStatusChanged );
+    }
     return m_widget;
 }
 
@@ -87,7 +92,7 @@ UsersViewStep::widget()
 bool
 UsersViewStep::isNextEnabled() const
 {
-    return m_widget->isReady();
+    return m_widget ? m_widget->isReady() : true;
 }
 
 
@@ -122,7 +127,10 @@ UsersViewStep::jobs() const
 void
 UsersViewStep::onActivate()
 {
-    m_widget->onActivate();
+    if ( m_widget )
+    {
+        m_widget->onActivate();
+    }
 }
 
 
@@ -130,6 +138,10 @@ void
 UsersViewStep::onLeave()
 {
     m_jobs.clear();
+    if ( !m_widget )
+    {
+        return;
+    }
     m_jobs.append( m_widget->createJobs( m_defaultGroups ) );
 
     Calamares::Job* j;
@@ -222,4 +234,6 @@ UsersViewStep::setConfigurationMap( const QVariantMap& configurationMap )
 
     Action hostsfileAction = getBool( configurationMap, "writeHostsFile", true ) ? Action::WriteEtcHosts : Action::None;
     m_actions = hostsfileAction | hostnameAction;
+
+    m_config->setConfigurationMap( configurationMap );
 }

src/modules/users/UsersViewStep.h

@@ -29,6 +29,7 @@
 #include <QObject>
 #include <QVariant>
 
+class Config;
 class UsersPage;
 
 class PLUGINDLLEXPORT UsersViewStep : public Calamares::ViewStep
@@ -62,6 +63,8 @@ private:
 
     QStringList m_defaultGroups;
     SetHostNameJob::Actions m_actions;
+
+    Config* m_config;
 };
 
 CALAMARES_PLUGIN_FACTORY_DECLARATION( UsersViewStepFactory )