File indexing completed on 2023-10-01 08:44:24

 /***************************************************************************
     The configuration dialog of Smb4K
                              -------------------
     begin                : Sa Apr 14 2007
     copyright            : (C) 2004-2019 by Alexander Reinholdt
     email                : alexander.reinholdt@kdemail.net
  ***************************************************************************/
 
 /***************************************************************************
  *   This program 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 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  *   This program 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 this program; if not, write to the                         *
  *   Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston,*
  *   MA 02110-1335, USA                                                    *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
 
 // application specific includes
 #include "smb4kconfigdialog.h"
 #include "smb4kconfigpageauthentication.h"
 #include "smb4kconfigpagecustomoptions.h"
 #include "smb4kconfigpagemounting.h"
 #include "smb4kconfigpagenetwork.h"
 #include "smb4kconfigpageprofiles.h"
 #include "smb4kconfigpagesynchronization.h"
 #include "smb4kconfigpageuserinterface.h"
 #include "core/smb4ksettings.h"
 #include "core/smb4kglobal.h"
 #include "core/smb4kauthinfo.h"
 #include "core/smb4kwalletmanager.h"
 #include "core/smb4kcustomoptions.h"
 #include "core/smb4kcustomoptionsmanager.h"
 #include "core/smb4kprofilemanager.h"
 
 #if defined(Q_OS_LINUX)
 #include "smb4kmountsettings_linux.h"
 #elif defined(Q_OS_FREEBSD) || defined(Q_OS_NETBSD)
 #include "smb4kmountsettings_bsd.h"
 #endif
 
 // Qt includes
 #include <QPointer>
 #include <QPair>
 #include <QList>
 #include <QSize>
 #include <QStandardPaths>
 #include <QRadioButton>
 #include <QCheckBox>
 #include <QTreeWidget>
 #include <QScrollArea>
 #include <QShowEvent>
 #include <QWindow>
 
 // KDE includes
 #include <KCoreAddons/KPluginFactory>
 #include <KI18n/KLocalizedString>
 #include <KConfigGui/KWindowConfig>
 #include <KWidgetsAddons/KMessageBox>
 #include <KWidgetsAddons/KPasswordDialog>
 #include <KIOWidgets/KUrlRequester>
 
 using namespace Smb4KGlobal;
 
 K_PLUGIN_FACTORY(Smb4KConfigDialogFactory, registerPlugin<Smb4KConfigDialog>();)
 
 
 Smb4KConfigDialog::Smb4KConfigDialog(QWidget *parent, const QList<QVariant> &/*args*/)
 : KConfigDialog(parent, "ConfigDialog", Smb4KSettings::self())
 {
   setupDialog();
 }
 
 
 Smb4KConfigDialog::~Smb4KConfigDialog()
 {
 }
 
 
 void Smb4KConfigDialog::setupDialog()
 {
   // FIXME: I guess, normally we would not need to close destructively,
   // but at the moment there are issues with the KURLRequester in file
   // mode. To work around those, we are closing the dialog destructively.
   // Maybe we can remove this if we moved to KDE4.
   setAttribute(Qt::WA_DeleteOnClose, true);
 
   // Add the pages:
   Smb4KConfigPageUserInterface *interface_options = new Smb4KConfigPageUserInterface(this);
   QScrollArea *interface_area = new QScrollArea(this);
   interface_area->setWidget(interface_options);
   interface_area->setWidgetResizable(true);
   interface_area->setFrameStyle(QFrame::NoFrame);
 
   Smb4KConfigPageNetwork *network_options = new Smb4KConfigPageNetwork(this);
   QScrollArea *network_area = new QScrollArea(this);
   network_area->setWidget(network_options);
   network_area->setWidgetResizable(true);
   network_area->setFrameStyle(QFrame::NoFrame);
   
   Smb4KConfigPageMounting *mount_options = new Smb4KConfigPageMounting(this);
   QScrollArea *mount_area = new QScrollArea(this);
   mount_area->setWidget(mount_options);
   mount_area->setWidgetResizable(true);
   mount_area->setFrameStyle(QFrame::NoFrame);
 
   Smb4KConfigPageAuthentication *auth_options = new Smb4KConfigPageAuthentication(this);
   QScrollArea *auth_area = new QScrollArea(this);
   auth_area->setWidget(auth_options);
   auth_area->setWidgetResizable(true);
   auth_area->setFrameStyle(QFrame::NoFrame);
 
   Smb4KConfigPageSynchronization *rsync_options = new Smb4KConfigPageSynchronization(this);
   QScrollArea *rsync_area = new QScrollArea(this);
   rsync_area->setWidget(rsync_options);
   rsync_area->setWidgetResizable(true);
   rsync_area->setFrameStyle(QFrame::NoFrame);
   
   rsync_options->setEnabled(!QStandardPaths::findExecutable("rsync").isEmpty());
 
   Smb4KConfigPageCustomOptions *custom_options = new Smb4KConfigPageCustomOptions(this);
   QScrollArea *custom_area = new QScrollArea(this);
   custom_area->setWidget(custom_options);
   custom_area->setWidgetResizable(true);
   custom_area->setFrameStyle(QFrame::NoFrame);
   
   Smb4KConfigPageProfiles *profiles_page = new Smb4KConfigPageProfiles(this);
   QScrollArea *profiles_area = new QScrollArea(this);
   profiles_area->setWidget(profiles_page);
   profiles_area->setWidgetResizable(true);
   profiles_area->setFrameStyle(QFrame::NoFrame);
 
   // 
   // Pages to the configuration dialog
   // 
   m_user_interface  = addPage(interface_area, Smb4KSettings::self(), i18n("User Interface"), "preferences-desktop");
   m_network         = addPage(network_area, Smb4KSettings::self(), i18n("Network"), "network-workgroup");
   m_mounting        = addPage(mount_area, Smb4KMountSettings::self(), i18n("Mounting"), "system-run");
   m_authentication  = addPage(auth_area, Smb4KSettings::self(), i18n("Authentication"), "dialog-password");
   m_synchronization = addPage(rsync_area, Smb4KSettings::self(),i18n("Synchronization"), "folder-sync");
   m_custom_options  = addPage(custom_area, Smb4KSettings::self(), i18n("Custom Options"), "preferences-system-network");
   m_profiles        = addPage(profiles_area, Smb4KSettings::self(), i18n("Profiles"), "format-list-unordered");
 
   // 
   // Connections
   // 
   connect(custom_options, SIGNAL(customSettingsModified()), this, SLOT(slotEnableApplyButton()));
 
   connect(auth_options, SIGNAL(loadWalletEntries()), this, SLOT(slotLoadAuthenticationInformation()));
   connect(auth_options, SIGNAL(saveWalletEntries()), this, SLOT(slotSaveAuthenticationInformation()));
   connect(auth_options, SIGNAL(setDefaultLogin()), this, SLOT(slotSetDefaultLogin()));
   connect(auth_options, SIGNAL(walletEntriesModified()), this, SLOT(slotEnableApplyButton()));
   
   connect(this, SIGNAL(currentPageChanged(KPageWidgetItem*,KPageWidgetItem*)), this, SLOT(slotCheckPage(KPageWidgetItem*,KPageWidgetItem*)));
   
   //
   // Dialog size
   //
   create();
   windowHandle()->resize(QSize(800, 600));
 
   KConfigGroup group(Smb4KSettings::self()->config(), "ConfigDialog");
   KWindowConfig::restoreWindowSize(windowHandle(), group);
   resize(windowHandle()->size()); // workaround for QTBUG-40584
 }
 
 
 void Smb4KConfigDialog::loadCustomOptions()
 {
   if (m_custom_options)
   {
     QList<OptionsPtr> options = Smb4KCustomOptionsManager::self()->customOptions();
     m_custom_options->widget()->findChild<Smb4KConfigPageCustomOptions *>()->insertCustomOptions(options);
   }
 }
 
 
 void Smb4KConfigDialog::saveCustomOptions()
 {
   if (m_custom_options)
   {
     QList<OptionsPtr> options = m_custom_options->widget()->findChild<Smb4KConfigPageCustomOptions *>()->getCustomOptions();
     Smb4KCustomOptionsManager::self()->replaceCustomOptions(options);
   }
 }
 
 
 void Smb4KConfigDialog::propagateProfilesChanges()
 {
   Smb4KConfigPageProfiles *profiles_page = m_profiles->widget()->findChild<Smb4KConfigPageProfiles *>();
   
   if (profiles_page)
   {
     // Remove the profiles.
     QStringList removed_profiles = profiles_page->removedProfiles();
     
     if (!removed_profiles.isEmpty())
     {
       Smb4KProfileManager::self()->removeProfiles(removed_profiles);
       profiles_page->clearRemovedProfiles();
     }
     
     // Rename the profiles.
     QList< QPair<QString,QString> > renamed_profiles = profiles_page->renamedProfiles();
     
     if (!renamed_profiles.isEmpty())
     {
       Smb4KProfileManager::self()->migrateProfiles(renamed_profiles);
       profiles_page->clearRenamedProfiles();
     }
     
     // Finally reload the custom options.
     if (!removed_profiles.isEmpty() || !renamed_profiles.isEmpty())
     {
       loadCustomOptions();
     }
   }
 }
 
 
 bool Smb4KConfigDialog::checkNetworkPage()
 {
   QRadioButton *query_custom_master = m_network->widget()->findChild<QRadioButton *>("kcfg_QueryCustomMaster");
   KLineEdit *custom_master_input    = m_network->widget()->findChild<KLineEdit *>("kcfg_CustomMasterBrowser");
   
   QString msg = i18n("<qt>An incorrect setting has been found. You are now taken to the corresponding configuration page to fix it.</qt>");
 
   if ((query_custom_master && query_custom_master->isChecked()) &&
       (custom_master_input && custom_master_input->text().trimmed().isEmpty()))
   {
     KMessageBox::sorry(this, msg);
     setCurrentPage(m_network);
     custom_master_input->setFocus();
     return false;
   }
   
   QRadioButton *scan_bcast_areas = m_network->widget()->findChild<QRadioButton *>("kcfg_ScanBroadcastAreas");
   KLineEdit *bcast_areas_input   = m_network->widget()->findChild<KLineEdit *>("kcfg_BroadcastAreas");
   
   if ((scan_bcast_areas && scan_bcast_areas->isChecked()) &&
       (bcast_areas_input && bcast_areas_input->text().trimmed().isEmpty()))
   {
     KMessageBox::sorry(this, msg);
     setCurrentPage(m_network);
     bcast_areas_input->setFocus();
     return false;
   }
   
   return true;
 }
 
 
 bool Smb4KConfigDialog::checkMountingPage()
 {
   KUrlRequester *mount_prefix = m_mounting->widget()->findChild<KUrlRequester *>("kcfg_MountPrefix");
   
   QString msg = i18n("<qt>An incorrect setting has been found. You are now taken to the corresponding configuration page to fix it.</qt>");
   
   if (mount_prefix && mount_prefix->url().path().trimmed().isEmpty())
   {
     KMessageBox::sorry(this, msg);
     setCurrentPage(m_mounting);
     mount_prefix->setFocus();
     return false;
   }
   
   KLineEdit *file_mask = m_mounting->widget()->findChild<KLineEdit *>("kcfg_FileMask");
   
   msg = i18n("<qt>An incorrect setting has been found. You are now taken to the corresponding configuration page to fix it.</qt>");
   
   if (file_mask && file_mask->text().trimmed().isEmpty())
   {
     KMessageBox::sorry(this, msg);
     setCurrentPage(m_mounting);
     file_mask->setFocus();
     return false;
   }
   
   KLineEdit *directory_mask = m_mounting->widget()->findChild<KLineEdit *>("kcfg_DirectoryMask");
   
   if (directory_mask && directory_mask->text().trimmed().isEmpty())
   {
     KMessageBox::sorry(this, msg);
     setCurrentPage(m_mounting);
     directory_mask->setFocus();
     return false;
   }
   
   return true;
 }
 
 
 bool Smb4KConfigDialog::checkSynchronizationPage()
 {
   //
   // Get the config page 
   // Since the config page is embedded into a scroll area, use findChild() here.
   // 
   Smb4KConfigPageSynchronization *configPage = m_synchronization->widget()->findChild<Smb4KConfigPageSynchronization *>();
   
   if (configPage)
   {
     //
     // The error message
     // 
     QString errorMessage = i18n("<qt>An incorrect setting has been found. You are now taken to the corresponding configuration page to fix it.</qt>");
     
     // Find the tab number and the url requester
     for (int i = 0; i < configPage->count(); i++)
     {
       // Synchronization prefix
       KUrlRequester *syncPrefix = configPage->widget(i)->findChild<KUrlRequester *>("kcfg_RsyncPrefix");
       
       if (syncPrefix && (!syncPrefix->url().isValid() || syncPrefix->url().path().trimmed().isEmpty()))
       {
         KMessageBox::sorry(this, errorMessage);
         setCurrentPage(m_synchronization);
         configPage->setCurrentIndex(i);
         syncPrefix->setFocus();
         return false;
       }
     
       // Backups
       QCheckBox *makeBackups = configPage->widget(i)->findChild<QCheckBox *>("kcfg_MakeBackups");
       QCheckBox *useBackupSuffix = configPage->widget(i)->findChild<QCheckBox *>("kcfg_UseBackupSuffix");
       KLineEdit *backupSuffix = configPage->widget(i)->findChild<KLineEdit *>("kcfg_BackupSuffix");
       QCheckBox *useBackupDir = configPage->widget(i)->findChild<QCheckBox *>("kcfg_UseBackupDirectory");
       KUrlRequester *backupDir = configPage->widget(i)->findChild<KUrlRequester *>("kcfg_BackupDirectory");
       
       if (makeBackups && makeBackups->isChecked())
       {
         if (useBackupSuffix && useBackupSuffix->isChecked())
         {
           if (backupSuffix && backupSuffix->text().trimmed().isEmpty())
           {
             KMessageBox::sorry(this, errorMessage);
             setCurrentPage(m_synchronization);
             configPage->setCurrentIndex(i);
             backupSuffix->setFocus();
             return false;
           }
         }
         
         if (useBackupDir && useBackupDir->isChecked())
         {
           if (backupDir && (!backupDir->url().isValid() || backupDir->url().path().trimmed().isEmpty()))
           {
             KMessageBox::sorry(this, errorMessage);
             setCurrentPage(m_synchronization);
             configPage->setCurrentIndex(i);
             backupDir->setFocus();
             return false;
           }
         }
       }
       
       // Minimal transfer size
       QCheckBox *useMinTransferSize = configPage->widget(i)->findChild<QCheckBox *>("kcfg_UseMinimalTransferSize");
       QSpinBox *minTransferSize = configPage->widget(i)->findChild<QSpinBox *>("kcfg_MinimalTransferSize");
       
       if (useMinTransferSize && useMinTransferSize->isChecked())
       {
         if (minTransferSize && minTransferSize->value() == 0)
         {
           KMessageBox::sorry(this, errorMessage);
           setCurrentPage(m_synchronization);
           configPage->setCurrentIndex(i);
           minTransferSize->setFocus();
           return false;
         }
       }
 
       // Maximal transfer size
       QCheckBox *useMaxTransferSize = configPage->widget(i)->findChild<QCheckBox *>("kcfg_UseMaximalTransferSize");
       QSpinBox *maxTransferSize = configPage->widget(i)->findChild<QSpinBox *>("kcfg_MaximalTransferSize");
       
       if (useMaxTransferSize && useMaxTransferSize->isChecked())
       {
         if (maxTransferSize && maxTransferSize->value() == 0)
         {
           KMessageBox::sorry(this, errorMessage);
           setCurrentPage(m_synchronization);
           configPage->setCurrentIndex(i);
           maxTransferSize->setFocus();
           return false;
         }
       }
       
       // Partial directory
       QCheckBox *usePartialDirectory = configPage->widget(i)->findChild<QCheckBox *>("kcfg_UsePartialDirectory");
       KUrlRequester *partialDirectory = configPage->widget(i)->findChild<KUrlRequester *>("kcfg_PartialDirectory");
       
       if (usePartialDirectory && usePartialDirectory->isChecked())
       {
         if (partialDirectory && (!partialDirectory->url().isValid() || partialDirectory->url().path().trimmed().isEmpty()))
         {
           KMessageBox::sorry(this, errorMessage);
           setCurrentPage(m_synchronization);
           configPage->setCurrentIndex(i);
           partialDirectory->setFocus();
           return false;
         }
       }
       
       // Exclude exclude
       QCheckBox *useExcludePattern = configPage->widget(i)->findChild<QCheckBox *>("kcfg_UseExcludePattern");
       KLineEdit *excludePattern = configPage->widget(i)->findChild<KLineEdit *>("kcfg_ExcludePattern");
       
       if (useExcludePattern && useExcludePattern->isChecked())
       {
         if (excludePattern && excludePattern->text().trimmed().isEmpty())
         {
           KMessageBox::sorry(this, errorMessage);
           setCurrentPage(m_synchronization);
           configPage->setCurrentIndex(i);
           excludePattern->setFocus();
           return false;
         }
       }
       
       // Read exclude pattern from file
       QCheckBox *useExcludeFrom = configPage->widget(i)->findChild<QCheckBox *>("kcfg_UseExcludeFrom");
       KUrlRequester *excludeFrom = configPage->widget(i)->findChild<KUrlRequester *>("kcfg_ExcludeFrom");
       
       if (useExcludeFrom && useExcludeFrom->isChecked())
       {
         if (excludeFrom && (!excludeFrom->url().isValid() || excludeFrom->url().path().trimmed().isEmpty()))
         {
           KMessageBox::sorry(this, errorMessage);
           setCurrentPage(m_synchronization);
           configPage->setCurrentIndex(i);
           excludeFrom->setFocus();
           return false;
         }
       }
       
       // Exclude exclude
       QCheckBox *useIncludePattern = configPage->widget(i)->findChild<QCheckBox *>("kcfg_UseIncludePattern");
       KLineEdit *includePattern = configPage->widget(i)->findChild<KLineEdit *>("kcfg_IncludePattern");
       
       if (useIncludePattern && useIncludePattern->isChecked())
       {
         if (includePattern && includePattern->text().trimmed().isEmpty())
         {
           KMessageBox::sorry(this, errorMessage);
           setCurrentPage(m_synchronization);
           configPage->setCurrentIndex(i);
           includePattern->setFocus();
           return false;
         }
       }
       
       // Read exclude pattern from file
       QCheckBox *useIncludeFrom = configPage->widget(i)->findChild<QCheckBox *>("kcfg_UseIncludeFrom");
       KUrlRequester *includeFrom = configPage->widget(i)->findChild<KUrlRequester *>("kcfg_IncludeFrom");
       
       if (useIncludeFrom && useIncludeFrom->isChecked())
       {
         if (includeFrom && (!includeFrom->url().isValid() || includeFrom->url().path().trimmed().isEmpty()))
         {
           KMessageBox::sorry(this, errorMessage);
           setCurrentPage(m_synchronization);
           configPage->setCurrentIndex(i);
           includeFrom->setFocus();
           return false;
         }
       }
       
       // Block size
       QCheckBox *useFixedBlocksize = configPage->widget(i)->findChild<QCheckBox *>("kcfg_UseBlockSize");
       QSpinBox *fixedBlocksize = configPage->widget(i)->findChild<QSpinBox *>("kcfg_BlockSize");
       
       if (useFixedBlocksize && useFixedBlocksize->isChecked())
       {
         if (fixedBlocksize && fixedBlocksize->value() == 0)
         {
           KMessageBox::sorry(this, errorMessage);
           setCurrentPage(m_synchronization);
           configPage->setCurrentIndex(i);
           fixedBlocksize->setFocus();
           return false;
         }
       }
       
       // NOTE: The is no need to check the following settings, because they may be empty or 0:
       // - kcfg_UseCompressionLevel & kcfg_CompressionLevel
       // - kcfg_UseSkipCompression & kcfg_SkipCompression
       // - kcfg_UseBandwidthLimit & kcfg_BandwidthLimit
       // - kcfg_UseMaximumDelete & kcfg_MaximumDeleteValue
       // - kcfg_CustomFilteringRules
       // - kcfg_UseChecksumSeed & kcfg_ChecksumSeed
     }
   }
 
   return true;
 }
 
 
 
 bool Smb4KConfigDialog::checkSettings()
 {
   // Check Network page
   if (!checkNetworkPage())
   {
     return false;
   }
   
   // Check Mounting page
   if (!checkMountingPage())
   {
     return false;
   }
   
   // Check Synchronization page
   if (!checkSynchronizationPage())
   {
     return false;
   }
   
   return true;
 }
 
 
 /////////////////////////////////////////////////////////////////////////////
 // SLOT IMPLEMENTATIONS
 /////////////////////////////////////////////////////////////////////////////
 
 
 void Smb4KConfigDialog::updateSettings()
 {
   saveCustomOptions();
   slotSaveAuthenticationInformation();
   propagateProfilesChanges();
   (void)checkSettings();
   
   KConfigGroup group(Smb4KSettings::self()->config(), "ConfigDialog");
   KWindowConfig::saveWindowSize(windowHandle(), group);
       
   KConfigDialog::updateSettings();
 }
 
 
 void Smb4KConfigDialog::updateWidgets()
 {
   loadCustomOptions();
   
   KConfigDialog::updateWidgets();
 }
 
 
 void Smb4KConfigDialog::reject()
 {
   Smb4KCustomOptionsManager::self()->resetCustomOptions();
   QDialog::reject();
 }
 
 
 void Smb4KConfigDialog::slotLoadAuthenticationInformation()
 {
   //
   // Get the Authentication config page
   // 
   Smb4KConfigPageAuthentication *authenticationPage = m_authentication->widget()->findChild<Smb4KConfigPageAuthentication *>();
   
   //
   // Insert and display the wallet entries
   // 
   authenticationPage->insertWalletEntries(Smb4KWalletManager::self()->walletEntries());
 }
 
 
 void Smb4KConfigDialog::slotSaveAuthenticationInformation()
 {
   //
   // Get the Authentication config page
   // 
   Smb4KConfigPageAuthentication *authenticationPage = m_authentication->widget()->findChild<Smb4KConfigPageAuthentication *>();
   
   //
   // Save the authentication information to the wallet
   // 
   if (authenticationPage->walletEntriesDisplayed())
   {
     Smb4KWalletManager::self()->writeWalletEntries(authenticationPage->getWalletEntries());
   }
 }
 
 
 void Smb4KConfigDialog::slotSetDefaultLogin()
 {
   //
   // Get the Authentication config page
   // 
   Smb4KConfigPageAuthentication *authenticationPage = m_authentication->widget()->findChild<Smb4KConfigPageAuthentication *>();
   
   //
   // Create an authentication object for the default authentication information
   // 
   Smb4KAuthInfo authInfo;
   
   //
   // Read the default authentication information
   // 
   Smb4KWalletManager::self()->readDefaultAuthInfo(&authInfo);
 
   //
   // Show the password dialog to enter or modify the default authentication
   // information.
   // 
   QPointer<KPasswordDialog> dlg = new KPasswordDialog(this, KPasswordDialog::ShowUsernameLine);
   dlg->setPrompt(i18n("Enter the default login information."));
   dlg->setUsername(authInfo.userName());
   dlg->setPassword(authInfo.password());
     
   if (dlg->exec() == KPasswordDialog::Accepted)
   {
     //
     // Save the authentication information to the wallet
     // 
     authInfo.setUserName(dlg->username());
     authInfo.setPassword(dlg->password());
       
     Smb4KWalletManager::self()->writeDefaultAuthInfo(&authInfo);
       
     //
     // Reload the list of authentication information
     // 
     if (authenticationPage->walletEntriesDisplayed())
     {
       slotLoadAuthenticationInformation();
     }
   }
   else
   {
     // 
     // Discard the password dialog and reset the checkbox
     // 
     authenticationPage->findChild<QCheckBox *>("kcfg_UseDefaultLogin")->setChecked(false);
   }
     
   delete dlg;
 }
 
 
 void Smb4KConfigDialog::slotEnableApplyButton()
 {
   // 
   // Check if we need to enable the Apply button
   // 
   bool enable = false;
   
   // 
   // Check the wallet entries
   // 
   Smb4KConfigPageAuthentication *authenticationPage = m_authentication->widget()->findChild<Smb4KConfigPageAuthentication *>();
 
   if (authenticationPage->walletEntriesMaybeChanged())
   {
     QList<Smb4KAuthInfo *> oldWalletEntries = Smb4KWalletManager::self()->walletEntries();
     QList<Smb4KAuthInfo *> newWalletEntries = authenticationPage->getWalletEntries();
     
     for (Smb4KAuthInfo *oldEntry : oldWalletEntries)
     {
       for (Smb4KAuthInfo *newEntry : newWalletEntries)
       {
         if (QString::compare(oldEntry->url().toString(QUrl::RemovePort), newEntry->url().toString(QUrl::RemovePort), Qt::CaseInsensitive) == 0 /* leave the user info here */ &&
             QString::compare(oldEntry->workgroupName(), newEntry->workgroupName(), Qt::CaseInsensitive) == 0)
         {
           enable = true;
           break;
         }
       }
       
       if (enable)
       {
         break;
       }
     }
   }
   
   // 
   // Check the custom options
   // 
   Smb4KConfigPageCustomOptions *customOptionsPage = m_custom_options->widget()->findChild<Smb4KConfigPageCustomOptions *>();
   
   if (!enable && customOptionsPage && customOptionsPage->customSettingsMaybeChanged())
   {
     enable = true;
   }
 
   QPushButton *applyButton = buttonBox()->button(QDialogButtonBox::Apply);
   
   if (applyButton)
   {
     applyButton->setEnabled(enable);
   }
 }
 
 
 void Smb4KConfigDialog::slotCheckPage(KPageWidgetItem* /*current*/, KPageWidgetItem* before)
 {
   if (before == m_network)
   {
     (void)checkNetworkPage();
   }
   else if (before == m_mounting)
   {
     (void)checkMountingPage();
   }
   else if (before == m_synchronization)
   {
     (void)checkSynchronizationPage();
   }
 }
 
 #include "smb4kconfigdialog.moc"