diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2cc579b..2cee30f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,107 +1,114 @@
 #cmake < 3.1 has no sane way of checking C++11 features and needed flags
 cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
 
 project(kdiff3)
 
 set(CMAKE_CXX_EXTENSIONS OFF ) #don't use non-standard extensions
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(ECM_MIN_VERSION "5.10.0")
 set(QT_MIN_VERSION "5.6.0")
 set(KF5_MIN_VERSION "5.23.0")
 
 find_package(ECM ${ECM_MIN_VERSION} CONFIG REQUIRED)
 set(
     CMAKE_MODULE_PATH
     ${CMAKE_MODULE_PATH}
     ${ECM_MODULE_PATH}
 )
 
 include(KDEInstallDirs)
 include(KDECompilerSettings NO_POLICY_SCOPE)
 include(KDECMakeSettings NO_POLICY_SCOPE)
 include(FeatureSummary)
 
 include(ECMInstallIcons)
 include(ECMAddAppIcon)
 include(ECMSetupVersion)
 
 ecm_setup_version(1.8.2 VARIABLE_PREFIX KDIFF3 VERSION_HEADER ${CMAKE_BINARY_DIR}/src/version.h)
 
 find_package(
     Qt5 ${QT_MIN_VERSION}
     CONFIG
     REQUIRED
     COMPONENTS
     Core
     Gui
     Widgets
     PrintSupport
 )
 
 find_package(
     KF5 ${KF5_MIN_VERSION}
     REQUIRED
     COMPONENTS
     I18n
     CoreAddons
     Crash
     DocTools
     IconThemes
 )
 
+option(ENABLE_AUTO "Enable kdiff3's '--auto' flag" ON)
 option(ENABLE_CLANG_TIDY "Run clang-tidy if available and cmake version >=3.6" OFF)
 
 set(KDiff3_LIBRARIES ${Qt5PrintSupport_LIBRARIES} KF5::I18n KF5::CoreAddons KF5::Crash KF5::IconThemes )
 
 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     #Adjust clang specific  warnings
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wshadow")
     set(CLANG_WARNING_FLAGS "-Wno-invalid-pp-token -Wno-comment -Wshorten-64-to-32 -Wstring-conversion -Wc++11-narrowing -fstack-protector-all")
     set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} ${CLANG_WARNING_FLAGS}")
 elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
     add_definitions(-DNOMINMAX) #Suppress MSVCs min/max macros
 elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstack-check")
     if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wduplicated-cond -Wduplicated-branches -Wshadow")
     endif()
 endif()
 
 #new in cmake 3.6+ integrate clang-tidy
 if(ENABLE_CLANG_TIDY AND NOT ${CMAKE_VERSION} VERSION_LESS "3.6.0")
     find_program(CLANG_TIDY_EXE NAMES "clang-tidy" "clang-tidy-7" "clang-tidy-6.0" "clang-tidy-6" DOC "Path to clang-tidy executable")
     if(NOT CLANG_TIDY_EXE)
         message(STATUS "clang-tidy not found disabling integration.")
     else()
         message(STATUS "Found clang-tidy: ${CLANG_TIDY_EXE}")
         set(CMAKE_CXX_CLANG_TIDY "${CLANG_TIDY_EXE}" "-header-filter=.*")
     endif()
 endif()
 
 set(CMAKE_C_FLAGS  "${CMAKE_C_FLAGS} ${CMAKE_CXX_FLAGS}")
 
 set(
     needed_features
     cxx_nullptr
     cxx_override
     cxx_nonstatic_member_init
     cxx_inheriting_constructors
     cxx_static_assert
 )
 
+if(ENABLE_AUTO)
+    add_definitions(
+        -DENABLE_AUTO
+    )
+endif()
+
 add_definitions(
     -DQT_DEPRECATED_WARNINGS #Get warnings from QT about deprecated functions.
     -DQT_NO_URL_CAST_FROM_STRING # casting from string to url does not always behave as you might think
     -DQT_RESTRICTED_CAST_FROM_ASCII #casting from char*/QByteArray to QString can produce unexpected results for non-latin characters.
     -DQT_NO_CAST_TO_ASCII
 )
 
 add_subdirectory(src)
 add_subdirectory(doc)
 
 add_subdirectory(kdiff3fileitemactionplugin)
 
 ki18n_install(po)
 kdoctools_install(po)
 
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)
diff --git a/src/kdiff3.cpp b/src/kdiff3.cpp
index fafdf9c..e2e15cb 100644
--- a/src/kdiff3.cpp
+++ b/src/kdiff3.cpp
@@ -1,1102 +1,1107 @@
 /***************************************************************************
  *   Copyright (C) 2003-2007 by Joachim Eibl <joachim.eibl at gmx.de>      *
  *   Copyright (C) 2018 Michael Reeves reeves.87@gmail.com                 *
  *                                                                         *
  *   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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 // application specific includes
 #include "kdiff3.h"
 
 #include "directorymergewindow.h"
 #include "fileaccess.h"
 #include "guiutils.h"
 #include "kdiff3_part.h"
 #include "kdiff3_shell.h"
 #include "optiondialog.h"
 #include "progress.h"
 #include "smalldialogs.h"
 #include "difftextwindow.h"
 #include "mergeresultwindow.h"
 #include "RLPainter.h"
 
 #ifndef Q_OS_WIN
 #include <unistd.h>
 #endif
 
 // include files for QT
 #include <QClipboard>
 #include <QCheckBox>
 #include <QCommandLineParser>
 #include <QDesktopWidget>
 #include <QDir>
 #include <QFileDialog>
 #include <QLabel>
 #include <QLayout>
 #include <QLineEdit>
 #include <QMenu>
 #include <QMenuBar>
 #include <QPaintDevice>
 #include <QPainter>
 #include <QPointer>
 #include <QPrintDialog>
 #include <QPrinter>
 #include <QPushButton>
 #include <QSplitter>
 #include <QStatusBar>
 #include <QTextStream>
 #include <QUrl>
 // include files for KDE
 #include <KCrash>
 #include <KConfig>
 #include <KLocalizedString>
 #include <KMessageBox>
 #include <KStandardAction>
 #include <KActionCollection>
 #include <KIconLoader>
 #include <KTextEdit>
 #include <KToggleAction>
 #include <KToolBar>
 
 
 
 #define ID_STATUS_MSG 1
 #define MAIN_TOOLBAR_NAME QLatin1String("mainToolBar")
 
 void printDiffTextWindow(RLPainter& painter, const QRect& view, const QString& headerText, DiffTextWindow* pDiffTextWindow, int line, int linesPerPage, const QColor& fgColor);
 KActionCollection* KDiff3App::actionCollection()
 {
     if(m_pKDiff3Shell == nullptr)
         return m_pKDiff3Part->actionCollection();
     else
         return m_pKDiff3Shell->actionCollection();
 }
 
 QStatusBar* KDiff3App::statusBar()
 {
     if(m_pKDiff3Shell == nullptr)
         return nullptr;
     else
         return m_pKDiff3Shell->statusBar();
 }
 
 KToolBar* KDiff3App::toolBar(const QLatin1String toolBarId)
 {
     if(m_pKDiff3Shell == nullptr)
         return nullptr;
     else
         return m_pKDiff3Shell->toolBar(toolBarId);
 }
 
 bool KDiff3App::isPart()
 {
     return m_pKDiff3Shell == nullptr;
 }
 
 bool KDiff3App::isFileSaved()
 {
     return m_bFileSaved;
 }
 
 bool KDiff3App::isDirComparison()
 {
     return m_bDirCompare;
 }
 
 KDiff3App::KDiff3App(QWidget* pParent, const QString& name, KDiff3Part* pKDiff3Part)
     : QSplitter(pParent) //previously KMainWindow
 {
     setObjectName(name);
     m_pKDiff3Part = pKDiff3Part;
     m_pKDiff3Shell = qobject_cast<KParts::MainWindow*>(pParent);
 
     setWindowTitle("KDiff3");
     setOpaqueResize(false); // faster resizing
     setUpdatesEnabled(false);
     KCrash::initialize();
 
     // set Disabled to same color as enabled to prevent flicker in DirectoryMergeWindow
     QPalette pal;
     pal.setBrush(QPalette::Base, pal.brush(QPalette::Active, QPalette::Base));
     pal.setColor(QPalette::Text, pal.color(QPalette::Active, QPalette::Text));
     setPalette(pal);
 
     m_pMainSplitter = nullptr;
     m_pDirectoryMergeSplitter = nullptr;
     m_pDirectoryMergeWindow = nullptr;
     m_pCornerWidget = nullptr;
     m_pMainWidget = nullptr;
     m_pDiffTextWindow1 = nullptr;
     m_pDiffTextWindow2 = nullptr;
     m_pDiffTextWindow3 = nullptr;
     m_pDiffTextWindowFrame1 = nullptr;
     m_pDiffTextWindowFrame2 = nullptr;
     m_pDiffTextWindowFrame3 = nullptr;
     m_pDiffWindowSplitter = nullptr;
     m_pOverview = nullptr;
     m_bTripleDiff = false;
     m_pMergeResultWindow = nullptr;
     m_pMergeWindowFrame = nullptr;
     m_bOutputModified = false;
     m_bFileSaved = false;
     m_bTimerBlock = false;
     m_pHScrollBar = nullptr;
     m_pDiffVScrollBar = nullptr;
     m_pMergeVScrollBar = nullptr;
     viewToolBar = nullptr;
     m_bRecalcWordWrapPosted = false;
     m_bFinishMainInit = false;
     m_pEventLoopForPrinting = nullptr;
     m_bLoadFiles = false;
 
     // Needed before any file operations via FileAccess happen.
     if(!g_pProgressDialog)
     {
         g_pProgressDialog = new ProgressDialog(this, statusBar());
         g_pProgressDialog->setStayHidden(true);
     }
 
     // All default values must be set before calling readOptions().
     m_pOptionDialog = new OptionDialog(m_pKDiff3Shell != nullptr, this);
     connect(m_pOptionDialog, &OptionDialog::applyDone, this, &KDiff3App::slotRefresh);
 
     // This is just a convenience variable to make code that accesses options more readable
     m_pOptions = &m_pOptionDialog->m_options;
 
     m_pOptionDialog->readOptions(KSharedConfig::openConfig());
 
     // Option handling: Only when pParent==0 (no parent)
     int argCount = KDiff3Shell::getParser()->optionNames().count() + KDiff3Shell::getParser()->positionalArguments().count();
     bool hasArgs = !isPart() && argCount > 0;
     if(hasArgs) {
         QString s;
         QString title;
         if(KDiff3Shell::getParser()->isSet("confighelp"))
         {
             s = m_pOptionDialog->calcOptionHelp();
             title = i18n("Current Configuration:");
         }
         else
         {
             s = m_pOptionDialog->parseOptions(KDiff3Shell::getParser()->values("cs"));
             title = i18n("Config Option Error:");
         }
         if(!s.isEmpty())
         {
             //KMessageBox::information(0, s,i18n("KDiff3-Usage"));
 #ifndef Q_OS_WIN
             if(isatty(fileno(stderr)) != 1)
 #endif
             {
                 QPointer<QDialog> pDialog = QPointer<QDialog>(new QDialog(this));
                 pDialog->setAttribute(Qt::WA_DeleteOnClose);
                 pDialog->setModal(true);
                 pDialog->setWindowTitle(title);
                 QVBoxLayout* pVBoxLayout = new QVBoxLayout(pDialog);
                 QPointer<KTextEdit> pTextEdit = QPointer<KTextEdit>(new KTextEdit(pDialog));
                 pTextEdit->setText(s);
                 pTextEdit->setReadOnly(true);
                 pTextEdit->setWordWrapMode(QTextOption::NoWrap);
                 pVBoxLayout->addWidget(pTextEdit);
                 pDialog->resize(600, 400);
                 pDialog->exec();
             }
 #if !defined(Q_OS_WIN)
             else
             {
                 // Launched from a console
                 QTextStream outStream(stdout);
                 outStream << title << "\n";
                 outStream << s;//newline already appended by parseOptions
             }
 #endif
             exit(1);
         }
     }
 
     m_sd1.setOptions(m_pOptions);
     m_sd2.setOptions(m_pOptions);
     m_sd3.setOptions(m_pOptions);
 
-    m_bAutoFlag = false; //disable --auto option git hard codes this unwanted flag.
+#ifdef ENABLE_AUTO
+    m_bAutoFlag = hasArgs && KDiff3Shell::getParser()->isSet("auto");
+#else
+    m_bAutoFlag = false;
+#endif
+
     m_bAutoMode = m_bAutoFlag || m_pOptions->m_bAutoSaveAndQuitOnMergeWithoutConflicts;
     if(hasArgs) {
         m_outputFilename = KDiff3Shell::getParser()->value("output");
 
         if(m_outputFilename.isEmpty())
             m_outputFilename = KDiff3Shell::getParser()->value("out");
 
         if(!m_outputFilename.isEmpty())
             m_outputFilename = FileAccess(m_outputFilename, true).absoluteFilePath();
 
         if(m_bAutoMode && m_outputFilename.isEmpty())
         {
             if(m_bAutoFlag)
             {
                 QTextStream(stderr) << i18n("Option --auto used, but no output file specified.") << "\n";
             }
             m_bAutoMode = false;
         }
 
         if(m_outputFilename.isEmpty() && KDiff3Shell::getParser()->isSet("merge"))
         {
             m_outputFilename = "unnamed.txt";
             m_bDefaultFilename = true;
         }
         else
         {
             m_bDefaultFilename = false;
         }
 
         g_bAutoSolve = !KDiff3Shell::getParser()->isSet("qall"); // Note that this is effective only once.
         QStringList args = KDiff3Shell::getParser()->positionalArguments();
 
         m_sd1.setFilename(KDiff3Shell::getParser()->value("base"));
         if(m_sd1.isEmpty()) {
             if(args.count() > 0) m_sd1.setFilename(args[0]); // args->arg(0)
             if(args.count() > 1) m_sd2.setFilename(args[1]);
             if(args.count() > 2) m_sd3.setFilename(args[2]);
         }
         else
         {
             if(args.count() > 0) m_sd2.setFilename(args[0]);
             if(args.count() > 1) m_sd3.setFilename(args[1]);
         }
         //Set m_bDirCompare flag
         m_bDirCompare = FileAccess(m_sd1.getFilename()).isDir();
 
         QStringList aliasList; //KDiff3Shell::getParser()->values( "fname" );
         QStringList::Iterator ali = aliasList.begin();
 
         QString an1 = KDiff3Shell::getParser()->value("L1");
         if(!an1.isEmpty()) {
             m_sd1.setAliasName(an1);
         }
         else if(ali != aliasList.end())
         {
             m_sd1.setAliasName(*ali);
             ++ali;
         }
 
         QString an2 = KDiff3Shell::getParser()->value("L2");
         if(!an2.isEmpty()) {
             m_sd2.setAliasName(an2);
         }
         else if(ali != aliasList.end())
         {
             m_sd2.setAliasName(*ali);
             ++ali;
         }
 
         QString an3 = KDiff3Shell::getParser()->value("L3");
         if(!an3.isEmpty()) {
             m_sd3.setAliasName(an3);
         }
         else if(ali != aliasList.end())
         {
             m_sd3.setAliasName(*ali);
             ++ali;
         }
     }
     else
     {
         m_bDefaultFilename = false;
         g_bAutoSolve = false;
     }
     g_pProgressDialog->setStayHidden(m_bAutoMode);
 
     ///////////////////////////////////////////////////////////////////
     // call inits to invoke all other construction parts
     initActions(actionCollection());
     MergeResultWindow::initActions(actionCollection());
 
     initStatusBar();
 
     m_pFindDialog = new FindDialog(this);
     connect(m_pFindDialog, &FindDialog::findNext, this, &KDiff3App::slotEditFindNext);
 
     autoAdvance->setChecked(m_pOptions->m_bAutoAdvance);
     showWhiteSpaceCharacters->setChecked(m_pOptions->m_bShowWhiteSpaceCharacters);
     showWhiteSpace->setChecked(m_pOptions->m_bShowWhiteSpace);
     showWhiteSpaceCharacters->setEnabled(m_pOptions->m_bShowWhiteSpace);
     showLineNumbers->setChecked(m_pOptions->m_bShowLineNumbers);
     wordWrap->setChecked(m_pOptions->m_bWordWrap);
     if(!isPart())
     {
         viewStatusBar->setChecked(m_pOptions->m_bShowStatusBar);
         slotViewStatusBar();
 
         KToolBar *mainToolBar = toolBar(MAIN_TOOLBAR_NAME);
         if(mainToolBar != nullptr){
             mainToolBar->mainWindow()->addToolBar(m_pOptions->m_toolBarPos, mainToolBar);
         }
         //   TODO restore window size/pos?
         /*      QSize size = m_pOptions->m_geometry;
               QPoint pos = m_pOptions->m_position;
               if(!size.isEmpty())
               {
                  m_pKDiff3Shell->resize( size );
                  QRect visibleRect = QRect( pos, size ) & QApplication::desktop()->rect();
                  if ( visibleRect.width()>100 && visibleRect.height()>100 )
                     m_pKDiff3Shell->move( pos );
               }*/
     }
     slotRefresh();
 
     m_pMainSplitter = this;
     m_pMainSplitter->setOrientation(Qt::Vertical);
     //   setCentralWidget( m_pMainSplitter );
     m_pDirectoryMergeSplitter = new QSplitter(m_pMainSplitter);
     m_pDirectoryMergeSplitter->setObjectName("DirectoryMergeSplitter");
     m_pMainSplitter->addWidget(m_pDirectoryMergeSplitter);
     m_pDirectoryMergeSplitter->setOrientation(Qt::Horizontal);
     m_pDirectoryMergeWindow = new DirectoryMergeWindow(m_pDirectoryMergeSplitter, m_pOptions);
     m_pDirectoryMergeSplitter->addWidget(m_pDirectoryMergeWindow);
     m_pDirectoryMergeInfo = new DirectoryMergeInfo(m_pDirectoryMergeSplitter);
     m_pDirectoryMergeWindow->setDirectoryMergeInfo(m_pDirectoryMergeInfo);
     m_pDirectoryMergeSplitter->addWidget(m_pDirectoryMergeInfo);
 
     connect(m_pDirectoryMergeWindow, &DirectoryMergeWindow::startDiffMerge, this, &KDiff3App::slotFileOpen2);
     connect(m_pDirectoryMergeWindow->selectionModel(), &QItemSelectionModel::selectionChanged, this, &KDiff3App::slotUpdateAvailabilities);
     connect(m_pDirectoryMergeWindow->selectionModel(), &QItemSelectionModel::currentChanged, this, &KDiff3App::slotUpdateAvailabilities);
     connect(m_pDirectoryMergeWindow, &DirectoryMergeWindow::checkIfCanContinue, this, &KDiff3App::slotCheckIfCanContinue);
     connect(m_pDirectoryMergeWindow, static_cast<void (DirectoryMergeWindow::*) (void)>(&DirectoryMergeWindow::updateAvailabilities), this, &KDiff3App::slotUpdateAvailabilities);
     connect(m_pDirectoryMergeWindow, &DirectoryMergeWindow::statusBarMessage, this, &KDiff3App::slotStatusMsg);
     connect(QApplication::clipboard(), &QClipboard::dataChanged, this, &KDiff3App::slotClipboardChanged);
     m_pDirectoryMergeWindow->initDirectoryMergeActions(this, actionCollection());
 
     delete KDiff3Shell::getParser();
 
     if(m_pKDiff3Shell == nullptr) {
         completeInit(QString());
     }
 }
 
 void KDiff3App::completeInit(const QString& fn1, const QString& fn2, const QString& fn3)
 {
     if(m_pKDiff3Shell != nullptr)
     {
         QSize size = m_pOptions->m_geometry;
         QPoint pos = m_pOptions->m_position;
         if(!size.isEmpty())
         {
             m_pKDiff3Shell->resize(size);
 
             QRect visibleRect = QRect(pos, size) & QApplication::desktop()->rect();
             if(visibleRect.width() > 100 && visibleRect.height() > 100)
                 m_pKDiff3Shell->move(pos);
             if(!m_bAutoMode)
             {
                 //Here we want the extra setup showMaximized does since the window has not be shown before
                 if(m_pOptions->m_bMaximised)
                     m_pKDiff3Shell->showMaximized();// krazy:exclude=qmethods
                 else
                     m_pKDiff3Shell->show();
             }
         }
     }
     if(!fn1.isEmpty()) {
         m_sd1.setFilename(fn1);
     }
     if(!fn2.isEmpty()) {
         m_sd2.setFilename(fn2);
     }
     if(!fn3.isEmpty()) {
         m_sd3.setFilename(fn3);
     }
 
     //should not happen now.
     Q_ASSERT(m_bDirCompare == FileAccess(m_sd1.getFilename()).isDir());
     bool bSuccess = improveFilenames(false);
 
     if(m_bAutoFlag && m_bAutoMode && m_bDirCompare)
     {
         QTextStream(stderr) << i18n("Option --auto ignored for directory comparison.") << "\n";
         m_bAutoMode = false;
     }
     if(!m_bDirCompare)
     {
         m_pDirectoryMergeSplitter->hide();
 
         mainInit();
         if(m_bAutoMode)
         {
             SourceData* pSD = nullptr;
             if(m_sd3.isEmpty()) {
                 if(m_totalDiffStatus.isBinaryEqualAB()) {
                     pSD = &m_sd1;
                 }
             }
             else
             {
                 if(m_totalDiffStatus.isBinaryEqualBC()) {
                     pSD = &m_sd3; // B==C (assume A is old)
                 }
                 else if(m_totalDiffStatus.isBinaryEqualAB())
                 {
                     pSD = &m_sd3; // assuming C has changed
                 }
                 else if(m_totalDiffStatus.isBinaryEqualAC())
                 {
                     pSD = &m_sd2; // assuming B has changed
                 }
             }
 
             if(pSD != nullptr)
             {
                 // Save this file directly, not via the merge result window.
                 FileAccess fa(m_outputFilename);
                 if(m_pOptions->m_bDmCreateBakFiles && fa.exists())
                 {
                     fa.createBackup(".orig");
                 }
 
                 bSuccess = pSD->saveNormalDataAs(m_outputFilename);
                 if(bSuccess)
                     ::exit(0);
                 else
                     KMessageBox::error(this, i18n("Saving failed."));
             }
             else if(m_pMergeResultWindow->getNrOfUnsolvedConflicts() == 0)
             {
                 bSuccess = m_pMergeResultWindow->saveDocument(m_pMergeResultWindowTitle->getFileName(), m_pMergeResultWindowTitle->getEncoding(), m_pMergeResultWindowTitle->getLineEndStyle());
                 if(bSuccess) ::exit(0);
             }
         }
     }
     m_bAutoMode = false;
 
     if(m_pKDiff3Shell)
     {
         if(m_pOptions->m_bMaximised)
             //We want showMaximized here as the window has never been shown.
             m_pKDiff3Shell->showMaximized();// krazy:exclude=qmethods
         else
             m_pKDiff3Shell->show();
     }
 
     g_pProgressDialog->setStayHidden(false);
 
     if(statusBar() != nullptr)
         statusBar()->setSizeGripEnabled(true);
 
     slotClipboardChanged(); // For initialisation.
 
     slotUpdateAvailabilities();
 
     if(!m_bDirCompare && m_pKDiff3Shell != nullptr)
     {
         bool bFileOpenError = false;
         if((!m_sd1.isEmpty() && !m_sd1.hasData()) ||
            (!m_sd2.isEmpty() && !m_sd2.hasData()) ||
            (!m_sd3.isEmpty() && !m_sd3.hasData()))
         {
             QString text(i18n("Opening of these files failed:"));
             text += "\n\n";
             if(!m_sd1.isEmpty() && !m_sd1.hasData())
                 text += " - " + m_sd1.getAliasName() + '\n';
             if(!m_sd2.isEmpty() && !m_sd2.hasData())
                 text += " - " + m_sd2.getAliasName() + '\n';
             if(!m_sd3.isEmpty() && !m_sd3.hasData())
                 text += " - " + m_sd3.getAliasName() + '\n';
 
             KMessageBox::sorry(this, text, i18n("File Open Error"));
             bFileOpenError = true;
         }
 
         if(m_sd1.isEmpty() || m_sd2.isEmpty() || bFileOpenError)
             slotFileOpen();
     }
     else if(!bSuccess) // Directory open failed
     {
         slotFileOpen();
     }
 }
 
 KDiff3App::~KDiff3App()
 {
 }
 
 /**
  * Helper function used to create actions into the ac collection
  */
 
 void KDiff3App::initActions(KActionCollection* ac)
 {
     if(ac == nullptr){
         KMessageBox::error(nullptr, "actionCollection==0");
         exit(-1);//we cannot recover from this.
     }
     fileOpen = KStandardAction::open(this, &KDiff3App::slotFileOpen, ac);
     fileOpen->setStatusTip(i18n("Opens documents for comparison..."));
 
     fileReload = GuiUtils::createAction<QAction>(i18n("Reload"), QKeySequence(QKeySequence::Refresh), this, &KDiff3App::slotReload, ac, QLatin1String("file_reload"));
 
     fileSave = KStandardAction::save(this, &KDiff3App::slotFileSave, ac);
     fileSave->setStatusTip(i18n("Saves the merge result. All conflicts must be solved!"));
     fileSaveAs = KStandardAction::saveAs(this, &KDiff3App::slotFileSaveAs, ac);
     fileSaveAs->setStatusTip(i18n("Saves the current document as..."));
 #ifndef QT_NO_PRINTER
     filePrint = KStandardAction::print(this, &KDiff3App::slotFilePrint, ac);
     filePrint->setStatusTip(i18n("Print the differences"));
 #endif
     fileQuit = KStandardAction::quit(this, &KDiff3App::slotFileQuit, ac);
     fileQuit->setStatusTip(i18n("Quits the application"));
     editCut = KStandardAction::cut(this, &KDiff3App::slotEditCut, ac);
     editCut->setShortcuts(QKeySequence::Cut);
     editCut->setStatusTip(i18n("Cuts the selected section and puts it to the clipboard"));
     editCopy = KStandardAction::copy(this, &KDiff3App::slotEditCopy, ac);
     editCopy->setShortcut(QKeySequence::Copy);
     editCopy->setStatusTip(i18n("Copies the selected section to the clipboard"));
     editPaste = KStandardAction::paste(this, &KDiff3App::slotEditPaste, ac);
     editPaste->setStatusTip(i18n("Pastes the clipboard contents to current position"));
     editCut->setShortcut(QKeySequence::Paste);
     editSelectAll = KStandardAction::selectAll(this, &KDiff3App::slotEditSelectAll, ac);
     editSelectAll->setStatusTip(i18n("Select everything in current window"));
     editFind = KStandardAction::find(this, &KDiff3App::slotEditFind, ac);
     editFind->setShortcut(QKeySequence::Find);
     editFind->setStatusTip(i18n("Search for a string"));
     editFindNext = KStandardAction::findNext(this, &KDiff3App::slotEditFindNext, ac);
     editFindNext->setStatusTip(i18n("Search again for the string"));
     /*   FIXME figure out how to implement this action
        viewToolBar = KStandardAction::showToolbar(this, &KDiff3App::slotViewToolBar, ac);
        viewToolBar->setStatusTip(i18n("Enables/disables the toolbar")); */
     viewStatusBar = KStandardAction::showStatusbar(this, &KDiff3App::slotViewStatusBar, ac);
     viewStatusBar->setStatusTip(i18n("Enables/disables the statusbar"));
     KStandardAction::keyBindings(this, &KDiff3App::slotConfigureKeys, ac);
     QAction* pAction = KStandardAction::preferences(this, &KDiff3App::slotConfigure, ac);
     if(isPart())
         pAction->setText(i18n("Configure KDiff3..."));
 
 #include "xpm/autoadvance.xpm"
 #include "xpm/currentpos.xpm"
 #include "xpm/down1arrow.xpm"
 #include "xpm/down2arrow.xpm"
 #include "xpm/downend.xpm"
 #include "xpm/iconA.xpm"
 #include "xpm/iconB.xpm"
 #include "xpm/iconC.xpm"
 #include "xpm/nextunsolved.xpm"
 #include "xpm/prevunsolved.xpm"
 #include "xpm/showlinenumbers.xpm"
 #include "xpm/showwhitespace.xpm"
 #include "xpm/showwhitespacechars.xpm"
 #include "xpm/up1arrow.xpm"
 #include "xpm/up2arrow.xpm"
 #include "xpm/upend.xpm"
 
     goCurrent = GuiUtils::createAction<QAction>(i18n("Go to Current Delta"), QIcon(QPixmap(currentpos)), i18n("Current\nDelta"), QKeySequence(Qt::CTRL + Qt::Key_Space), this, &KDiff3App::slotGoCurrent, ac, "go_current");
 
     goTop = GuiUtils::createAction<QAction>(i18n("Go to First Delta"), QIcon(QPixmap(upend)), i18n("First\nDelta"), this, &KDiff3App::slotGoTop, ac, "go_top");
 
     goBottom = GuiUtils::createAction<QAction>(i18n("Go to Last Delta"), QIcon(QPixmap(downend)), i18n("Last\nDelta"), this, &KDiff3App::slotGoBottom, ac, "go_bottom");
 
     QString omitsWhitespace = ".\n" + i18n("(Skips white space differences when \"Show White Space\" is disabled.)");
     QString includeWhitespace = ".\n" + i18n("(Does not skip white space differences even when \"Show White Space\" is disabled.)");
     goPrevDelta = GuiUtils::createAction<QAction>(i18n("Go to Previous Delta"), QIcon(QPixmap(up1arrow)), i18n("Prev\nDelta"), QKeySequence(Qt::CTRL + Qt::Key_Up), this, &KDiff3App::slotGoPrevDelta, ac, "go_prev_delta");
     goPrevDelta->setToolTip(goPrevDelta->text() + omitsWhitespace);
     goNextDelta = GuiUtils::createAction<QAction>(i18n("Go to Next Delta"), QIcon(QPixmap(down1arrow)), i18n("Next\nDelta"), QKeySequence(Qt::CTRL + Qt::Key_Down), this, &KDiff3App::slotGoNextDelta, ac, "go_next_delta");
     goNextDelta->setToolTip(goNextDelta->text() + omitsWhitespace);
     goPrevConflict = GuiUtils::createAction<QAction>(i18n("Go to Previous Conflict"), QIcon(QPixmap(up2arrow)), i18n("Prev\nConflict"), QKeySequence(Qt::CTRL + Qt::Key_PageUp), this, &KDiff3App::slotGoPrevConflict, ac, "go_prev_conflict");
     goPrevConflict->setToolTip(goPrevConflict->text() + omitsWhitespace);
     goNextConflict = GuiUtils::createAction<QAction>(i18n("Go to Next Conflict"), QIcon(QPixmap(down2arrow)), i18n("Next\nConflict"), QKeySequence(Qt::CTRL + Qt::Key_PageDown), this, &KDiff3App::slotGoNextConflict, ac, "go_next_conflict");
     goNextConflict->setToolTip(goNextConflict->text() + omitsWhitespace);
     goPrevUnsolvedConflict = GuiUtils::createAction<QAction>(i18n("Go to Previous Unsolved Conflict"), QIcon(QPixmap(prevunsolved)), i18n("Prev\nUnsolved"), this, &KDiff3App::slotGoPrevUnsolvedConflict, ac, "go_prev_unsolved_conflict");
     goPrevUnsolvedConflict->setToolTip(goPrevUnsolvedConflict->text() + includeWhitespace);
     goNextUnsolvedConflict = GuiUtils::createAction<QAction>(i18n("Go to Next Unsolved Conflict"), QIcon(QPixmap(nextunsolved)), i18n("Next\nUnsolved"), this, &KDiff3App::slotGoNextUnsolvedConflict, ac, "go_next_unsolved_conflict");
     goNextUnsolvedConflict->setToolTip(goNextUnsolvedConflict->text() + includeWhitespace);
     chooseA = GuiUtils::createAction<KToggleAction>(i18n("Select Line(s) From A"), QIcon(QPixmap(iconA)), i18n("Choose\nA"), QKeySequence(Qt::CTRL + Qt::Key_1), this, &KDiff3App::slotChooseA, ac, "merge_choose_a");
     chooseB = GuiUtils::createAction<KToggleAction>(i18n("Select Line(s) From B"), QIcon(QPixmap(iconB)), i18n("Choose\nB"), QKeySequence(Qt::CTRL + Qt::Key_2), this, &KDiff3App::slotChooseB, ac, "merge_choose_b");
     chooseC = GuiUtils::createAction<KToggleAction>(i18n("Select Line(s) From C"), QIcon(QPixmap(iconC)), i18n("Choose\nC"), QKeySequence(Qt::CTRL + Qt::Key_3), this, &KDiff3App::slotChooseC, ac, "merge_choose_c");
     autoAdvance = GuiUtils::createAction<KToggleAction>(i18n("Automatically Go to Next Unsolved Conflict After Source Selection"), QIcon(QPixmap(autoadvance)), i18n("Auto\nNext"), this, &KDiff3App::slotAutoAdvanceToggled, ac, "merge_autoadvance");
 
     showWhiteSpaceCharacters = GuiUtils::createAction<KToggleAction>(i18n("Show Space && Tabulator Characters"), QIcon(QPixmap(showwhitespacechars)), i18n("White\nCharacters"), this, &KDiff3App::slotShowWhiteSpaceToggled, ac, "diff_show_whitespace_characters");
     showWhiteSpace = GuiUtils::createAction<KToggleAction>(i18n("Show White Space"), QIcon(QPixmap(showwhitespace)), i18n("White\nDeltas"), this, &KDiff3App::slotShowWhiteSpaceToggled, ac, "diff_show_whitespace");
 
     showLineNumbers = GuiUtils::createAction<KToggleAction>(i18n("Show Line Numbers"), QIcon(QPixmap(showlinenumbers)), i18n("Line\nNumbers"), this, &KDiff3App::slotShowLineNumbersToggled, ac, "diff_showlinenumbers");
 
     autoSolve = GuiUtils::createAction<QAction>(i18n("Automatically Solve Simple Conflicts"), this, &KDiff3App::slotAutoSolve, ac, "merge_autosolve");
     unsolve = GuiUtils::createAction<QAction>(i18n("Set Deltas to Conflicts"), this, &KDiff3App::slotUnsolve, ac, "merge_autounsolve");
     mergeRegExp = GuiUtils::createAction<QAction>(i18n("Run Regular Expression Auto Merge"), this, &KDiff3App::slotRegExpAutoMerge, ac, "merge_regexp_automerge");
     mergeHistory = GuiUtils::createAction<QAction>(i18n("Automatically Solve History Conflicts"), this, &KDiff3App::slotMergeHistory, ac, "merge_versioncontrol_history");
     splitDiff = GuiUtils::createAction<QAction>(i18n("Split Diff At Selection"), this, &KDiff3App::slotSplitDiff, ac, "merge_splitdiff");
     joinDiffs = GuiUtils::createAction<QAction>(i18n("Join Selected Diffs"), this, &KDiff3App::slotJoinDiffs, ac, "merge_joindiffs");
 
     showWindowA = GuiUtils::createAction<KToggleAction>(i18n("Show Window A"), this, &KDiff3App::slotShowWindowAToggled, ac, "win_show_a");
     showWindowB = GuiUtils::createAction<KToggleAction>(i18n("Show Window B"), this, &KDiff3App::slotShowWindowBToggled, ac, "win_show_b");
     showWindowC = GuiUtils::createAction<KToggleAction>(i18n("Show Window C"), this, &KDiff3App::slotShowWindowCToggled, ac, "win_show_c");
 
     overviewModeNormal = GuiUtils::createAction<KToggleAction>(i18n("Normal Overview"), this, &KDiff3App::slotOverviewNormal, ac, "diff_overview_normal");
     overviewModeAB = GuiUtils::createAction<KToggleAction>(i18n("A vs. B Overview"), this, &KDiff3App::slotOverviewAB, ac, "diff_overview_ab");
     overviewModeAC = GuiUtils::createAction<KToggleAction>(i18n("A vs. C Overview"), this, &KDiff3App::slotOverviewAC, ac, "diff_overview_ac");
     overviewModeBC = GuiUtils::createAction<KToggleAction>(i18n("B vs. C Overview"), this, &KDiff3App::slotOverviewBC, ac, "diff_overview_bc");
     wordWrap = GuiUtils::createAction<KToggleAction>(i18n("Word Wrap Diff Windows"), this, &KDiff3App::slotWordWrapToggled, ac, "diff_wordwrap");
     addManualDiffHelp = GuiUtils::createAction<QAction>(i18n("Add Manual Diff Alignment"), QKeySequence(Qt::CTRL + Qt::Key_Y), this, &KDiff3App::slotAddManualDiffHelp, ac, "diff_add_manual_diff_help");
     clearManualDiffHelpList = GuiUtils::createAction<QAction>(i18n("Clear All Manual Diff Alignments"), QKeySequence(Qt::CTRL + Qt::SHIFT + Qt::Key_Y), this, &KDiff3App::slotClearManualDiffHelpList, ac, "diff_clear_manual_diff_help_list");
 
     winFocusNext = GuiUtils::createAction<QAction>(i18n("Focus Next Window"), QKeySequence(Qt::ALT + Qt::Key_Right), this, &KDiff3App::slotWinFocusNext, ac, "win_focus_next");
     winFocusPrev = GuiUtils::createAction<QAction>(i18n("Focus Prev Window"), QKeySequence(Qt::ALT + Qt::Key_Left), this, &KDiff3App::slotWinFocusPrev, ac, "win_focus_prev");
     winToggleSplitOrientation = GuiUtils::createAction<QAction>(i18n("Toggle Split Orientation"), this, &KDiff3App::slotWinToggleSplitterOrientation, ac, "win_toggle_split_orientation");
 
     dirShowBoth = GuiUtils::createAction<KToggleAction>(i18n("Dir && Text Split Screen View"), this, &KDiff3App::slotDirShowBoth, ac, "win_dir_show_both");
     dirShowBoth->setChecked(true);
     dirViewToggle = GuiUtils::createAction<QAction>(i18n("Toggle Between Dir && Text View"), this, &KDiff3App::slotDirViewToggle, ac, "win_dir_view_toggle");
 
     m_pMergeEditorPopupMenu = new QMenu(this);
     /*   chooseA->plug( m_pMergeEditorPopupMenu );
        chooseB->plug( m_pMergeEditorPopupMenu );
        chooseC->plug( m_pMergeEditorPopupMenu );*/
     m_pMergeEditorPopupMenu->addAction(chooseA);
     m_pMergeEditorPopupMenu->addAction(chooseB);
     m_pMergeEditorPopupMenu->addAction(chooseC);
 }
 
 void KDiff3App::showPopupMenu(const QPoint& point)
 {
     m_pMergeEditorPopupMenu->popup(point);
 }
 
 void KDiff3App::initStatusBar()
 {
     ///////////////////////////////////////////////////////////////////
     // STATUSBAR
     if(statusBar() != nullptr)
         statusBar()->showMessage(i18n("Ready."));
 }
 
 void KDiff3App::saveOptions(KSharedConfigPtr config)
 {
     if(!m_bAutoMode)
     {
         if(!isPart())
         {
             m_pOptions->m_bMaximised = m_pKDiff3Shell->isMaximized();
             if(!m_pKDiff3Shell->isMaximized() && m_pKDiff3Shell->isVisible())
             {
                 m_pOptions->m_geometry = m_pKDiff3Shell->size();
                 m_pOptions->m_position = m_pKDiff3Shell->pos();
             }
             /*  TODO change this option as now KToolbar uses QToolbar positioning style
                      if ( toolBar(MAIN_TOOLBAR_NAME)!=0 )
                         m_pOptionDialog->m_toolBarPos = (int) toolBar(MAIN_TOOLBAR_NAME)->allowedAreas();*/
         }
 
         m_pOptionDialog->saveOptions(std::move(config));
     }
 }
 
 bool KDiff3App::queryClose()
 {
     saveOptions(KSharedConfig::openConfig());
 
     if(m_bOutputModified)
     {
         int result = KMessageBox::warningYesNoCancel(this,
                                                      i18n("The merge result has not been saved."),
                                                      i18n("Warning"),
                                                      KGuiItem(i18n("Save && Quit")),
                                                      KGuiItem(i18n("Quit Without Saving")));
         if(result == KMessageBox::Cancel)
             return false;
         else if(result == KMessageBox::Yes)
         {
             slotFileSave();
             if(m_bOutputModified)
             {
                 KMessageBox::sorry(this, i18n("Saving the merge result failed."), i18n("Warning"));
                 return false;
             }
         }
     }
 
     m_bOutputModified = false;
 
     if(m_pDirectoryMergeWindow->isDirectoryMergeInProgress())
     {
         int result = KMessageBox::warningYesNo(this,
                                                i18n("You are currently doing a directory merge. Are you sure, you want to abort?"),
                                                i18n("Warning"),
                                                KStandardGuiItem::quit(),
                                                KStandardGuiItem::cont() /* i18n("Continue Merging") */);
         if(result != KMessageBox::Yes)
             return false;
     }
 
     return true;
 }
 
 /////////////////////////////////////////////////////////////////////
 // SLOT IMPLEMENTATION
 /////////////////////////////////////////////////////////////////////
 
 void KDiff3App::slotFileSave()
 {
     if(m_bDefaultFilename)
     {
         slotFileSaveAs();
     }
     else
     {
         slotStatusMsg(i18n("Saving file..."));
 
         bool bSuccess = m_pMergeResultWindow->saveDocument(m_outputFilename, m_pMergeResultWindowTitle->getEncoding(), m_pMergeResultWindowTitle->getLineEndStyle());
         if(bSuccess)
         {
             m_bFileSaved = true;
             m_bOutputModified = false;
             if(m_bDirCompare)
                 m_pDirectoryMergeWindow->mergeResultSaved(m_outputFilename);
         }
 
         slotStatusMsg(i18n("Ready."));
     }
 }
 
 void KDiff3App::slotFileSaveAs()
 {
     slotStatusMsg(i18n("Saving file with a new filename..."));
 
     QString s = QFileDialog::getSaveFileUrl(this, i18n("Save As..."), QUrl::fromLocalFile(QDir::currentPath())).url(QUrl::PreferLocalFile);
     if(!s.isEmpty()) {
         m_outputFilename = s;
         m_pMergeResultWindowTitle->setFileName(m_outputFilename);
         bool bSuccess = m_pMergeResultWindow->saveDocument(m_outputFilename, m_pMergeResultWindowTitle->getEncoding(), m_pMergeResultWindowTitle->getLineEndStyle());
         if(bSuccess)
         {
             m_bOutputModified = false;
             if(m_bDirCompare)
                 m_pDirectoryMergeWindow->mergeResultSaved(m_outputFilename);
         }
         //setWindowTitle(url.fileName(),doc->isModified());
 
         m_bDefaultFilename = false;
     }
 
     slotStatusMsg(i18n("Ready."));
 }
 
 void printDiffTextWindow(RLPainter& painter, const QRect& view, const QString& headerText, DiffTextWindow* pDiffTextWindow, int line, int linesPerPage, const QColor &fgColor)
 {
     QRect clipRect = view;
     clipRect.setTop(0);
     painter.setClipRect(clipRect);
     painter.translate(view.left(), 0);
     QFontMetrics fm = painter.fontMetrics();
     //if ( fm.width(headerText) > view.width() )
     {
         // A simple wrapline algorithm
         int l = 0;
         for(int p = 0; p < headerText.length();)
         {
             QString s = headerText.mid(p);
             int i;
             for(i = 2; i < s.length(); ++i)
                 if(fm.width(s, i) > view.width())
                 {
                     --i;
                     break;
                 }
             //QString s2 = s.left(i);
             painter.drawText(0, l * fm.height() + fm.ascent(), s.left(i));
             p += i;
             ++l;
         }
         painter.setPen(fgColor);
         painter.drawLine(0, view.top() - 2, view.width(), view.top() - 2);
     }
 
     painter.translate(0, view.top());
     pDiffTextWindow->print(painter, view, line, linesPerPage);
     painter.resetMatrix();
 }
 
 void KDiff3App::slotFilePrint()
 {
     if(m_pDiffTextWindow1 == nullptr)
         return;
 #ifdef QT_NO_PRINTER
     slotStatusMsg(i18n("Printing not implemented."));
 #else
     QPrinter printer;
     QPointer<QPrintDialog> printDialog=QPointer<QPrintDialog>(new QPrintDialog(&printer, this));
 
     LineRef firstSelectionD3LIdx = -1;
     LineRef lastSelectionD3LIdx = -1;
 
     m_pDiffTextWindow1->getSelectionRange(&firstSelectionD3LIdx, &lastSelectionD3LIdx, eD3LLineCoords);
 
     if(firstSelectionD3LIdx < 0 && m_pDiffTextWindow2) {
         m_pDiffTextWindow2->getSelectionRange(&firstSelectionD3LIdx, &lastSelectionD3LIdx, eD3LLineCoords);
     }
     if(firstSelectionD3LIdx < 0 && m_pDiffTextWindow3) {
         m_pDiffTextWindow3->getSelectionRange(&firstSelectionD3LIdx, &lastSelectionD3LIdx, eD3LLineCoords);
     }
 
     if(firstSelectionD3LIdx >= 0) {
         printDialog->addEnabledOption(QPrintDialog::PrintSelection);
         //printer.setOptionEnabled(QPrinter::PrintSelection,true);
         printDialog->setPrintRange(QAbstractPrintDialog::Selection);
     }
 
     if(firstSelectionD3LIdx == -1)
         printDialog->setPrintRange(QAbstractPrintDialog::AllPages);
     //printDialog.setMinMax(0,0);
     printDialog->setFromTo(0, 0);
 
     int currentFirstLine = m_pDiffTextWindow1->getFirstLine();
     int currentFirstD3LIdx = m_pDiffTextWindow1->convertLineToDiff3LineIdx(currentFirstLine);
 
     // do some printer initialization
     printer.setFullPage(false);
 
     // initialize the printer using the print dialog
     if(printDialog->exec() == QDialog::Accepted)
     {
         slotStatusMsg(i18n("Printing..."));
         // create a painter to paint on the printer object
         RLPainter painter(&printer, m_pOptions->m_bRightToLeftLanguage, width(), fontMetrics().width('W'));
 
         QPaintDevice* pPaintDevice = painter.device();
         int dpiy = pPaintDevice->logicalDpiY();
         int columnDistance = (int)((0.5 / 2.54) * dpiy); // 0.5 cm between the columns
 
         int columns = m_bTripleDiff ? 3 : 2;
         int columnWidth = (pPaintDevice->width() - (columns - 1) * columnDistance) / columns;
 
         QFont f = m_pOptions->m_font;
         f.setPointSizeF(f.pointSizeF() - 1); // Print with slightly smaller font.
         painter.setFont(f);
         QFontMetrics fm = painter.fontMetrics();
 
         QString topLineText = i18n("Top line");
 
         //int headerWidth = fm.width( m_sd1.getAliasName() + ", "+topLineText+": 01234567" );
         int headerLines = fm.width(m_sd1.getAliasName() + ", " + topLineText + ": 01234567") / columnWidth + 1;
 
         int headerMargin = headerLines * fm.height() + 3; // Text + one horizontal line
         int footerMargin = fm.height() + 3;
 
         QRect view(0, headerMargin, pPaintDevice->width(), pPaintDevice->height() - (headerMargin + footerMargin));
         QRect view1(0 * (columnWidth + columnDistance), view.top(), columnWidth, view.height());
         QRect view2(1 * (columnWidth + columnDistance), view.top(), columnWidth, view.height());
         QRect view3(2 * (columnWidth + columnDistance), view.top(), columnWidth, view.height());
 
         int linesPerPage = view.height() / fm.lineSpacing();
         QEventLoop eventLoopForPrinting;
         m_pEventLoopForPrinting = &eventLoopForPrinting;
         if(m_pOptions->m_bWordWrap)
         {
             // For printing the lines are wrapped differently (this invalidates the first line)
             recalcWordWrap(columnWidth);
             m_pEventLoopForPrinting->exec();
         }
 
         LineRef totalNofLines = std::max(m_pDiffTextWindow1->getNofLines(), m_pDiffTextWindow2->getNofLines());
         if(m_bTripleDiff && m_pDiffTextWindow3)
             totalNofLines = std::max(totalNofLines, m_pDiffTextWindow3->getNofLines());
 
         QList<int> pageList; // = printer.pageList();
 
         bool bPrintCurrentPage = false;
         bool bFirstPrintedPage = false;
 
         bool bPrintSelection = false;
         int totalNofPages = (totalNofLines + linesPerPage - 1) / linesPerPage;
         LineRef line = -1;
         LineRef selectionEndLine = -1;
 
         if(printer.printRange() == QPrinter::AllPages) {
             pageList.clear();
             for(int i = 0; i < totalNofPages; ++i)
             {
                 pageList.push_back(i + 1);
             }
         }
         else if(printer.printRange() == QPrinter::PageRange)
         {
             pageList.clear();
             for(int i = printer.fromPage(); i <= printer.toPage(); ++i)
             {
                 pageList.push_back(i);
             }
         }
 
         if(printer.printRange() == QPrinter::Selection)
         {
             bPrintSelection = true;
             if(firstSelectionD3LIdx >= 0)
             {
                 line = m_pDiffTextWindow1->convertDiff3LineIdxToLine(firstSelectionD3LIdx);
                 selectionEndLine = m_pDiffTextWindow1->convertDiff3LineIdxToLine(lastSelectionD3LIdx + 1);
                 totalNofPages = (selectionEndLine - line + linesPerPage - 1) / linesPerPage;
             }
         }
 
         int page = 1;
 
         ProgressProxy pp;
         pp.setMaxNofSteps(totalNofPages);
         QList<int>::iterator pageListIt = pageList.begin();
         for(;;) {
             pp.setInformation(i18n("Printing page %1 of %2", page, totalNofPages), false);
             pp.setCurrent(page - 1);
             if(pp.wasCancelled())
             {
                 printer.abort();
                 break;
             }
             if(!bPrintSelection) {
                 if(pageListIt == pageList.end())
                     break;
                 page = *pageListIt;
                 line = (page - 1) * linesPerPage;
                 if(page == 10000) { // This means "Print the current page"
                     bPrintCurrentPage = true;
                     // Detect the first visible line in the window.
                     line = m_pDiffTextWindow1->convertDiff3LineIdxToLine(currentFirstD3LIdx);
                 }
             }
             else
             {
                 if(line >= selectionEndLine) {
                     break;
                 }
                 else
                 {
                     if(selectionEndLine - line < linesPerPage)
                         linesPerPage = selectionEndLine - line;
                 }
             }
             if(line >= 0 && line < totalNofLines)
             {
 
                 if(bFirstPrintedPage)
                     printer.newPage();
 
                 painter.setClipping(true);
 
                 painter.setPen(m_pOptions->m_colorA);
                 QString headerText1 = m_sd1.getAliasName() + ", " + topLineText + ": " + QString::number(m_pDiffTextWindow1->calcTopLineInFile(line) + 1);
                 printDiffTextWindow(painter, view1, headerText1, m_pDiffTextWindow1, line, linesPerPage, m_pOptions->m_fgColor);
 
                 painter.setPen(m_pOptions->m_colorB);
                 QString headerText2 = m_sd2.getAliasName() + ", " + topLineText + ": " + QString::number(m_pDiffTextWindow2->calcTopLineInFile(line) + 1);
                 printDiffTextWindow(painter, view2, headerText2, m_pDiffTextWindow2, line, linesPerPage, m_pOptions->m_fgColor);
 
                 if(m_bTripleDiff && m_pDiffTextWindow3)
                 {
                     painter.setPen(m_pOptions->m_colorC);
                     QString headerText3 = m_sd3.getAliasName() + ", " + topLineText + ": " + QString::number(m_pDiffTextWindow3->calcTopLineInFile(line) + 1);
                     printDiffTextWindow(painter, view3, headerText3, m_pDiffTextWindow3, line, linesPerPage, m_pOptions->m_fgColor);
                 }
                 painter.setClipping(false);
 
                 painter.setPen(m_pOptions->m_fgColor);
                 painter.drawLine(0, view.bottom() + 3, view.width(), view.bottom() + 3);
                 QString s = bPrintCurrentPage ? QString("")
                                               : QString::number(page) + '/' + QString::number(totalNofPages);
                 if(bPrintSelection) s += i18n(" (Selection)");
                 painter.drawText((view.right() - painter.fontMetrics().width(s)) / 2,
                                  view.bottom() + painter.fontMetrics().ascent() + 5, s);
 
                 bFirstPrintedPage = true;
             }
 
             if(bPrintSelection)
             {
                 line += linesPerPage;
                 ++page;
             }
             else
             {
                 ++pageListIt;
             }
         }
 
         painter.end();
 
         if(m_pOptions->m_bWordWrap)
         {
             recalcWordWrap();
             m_pEventLoopForPrinting->exec();
             m_pDiffVScrollBar->setValue(m_pDiffTextWindow1->convertDiff3LineIdxToLine(currentFirstD3LIdx));
         }
 
         slotStatusMsg(i18n("Printing completed."));
     }
     else
     {
         slotStatusMsg(i18n("Printing aborted."));
     }
 #endif
 }
 
 void KDiff3App::slotFileQuit()
 {
     slotStatusMsg(i18n("Exiting..."));
 
     if(!queryClose())
         return; // Don't quit
 
     QApplication::exit(isFileSaved() || isDirComparison() ? 0 : 1);
 }
 
 void KDiff3App::slotViewToolBar()
 {
     Q_ASSERT(viewToolBar != nullptr);
     slotStatusMsg(i18n("Toggling toolbar..."));
     m_pOptions->m_bShowToolBar = viewToolBar->isChecked();
     ///////////////////////////////////////////////////////////////////
     // turn Toolbar on or off
     if(toolBar(MAIN_TOOLBAR_NAME) != nullptr)
     {
         if(!m_pOptions->m_bShowToolBar)
         {
             toolBar(MAIN_TOOLBAR_NAME)->hide();
         }
         else
         {
             toolBar(MAIN_TOOLBAR_NAME)->show();
         }
     }
 
     slotStatusMsg(i18n("Ready."));
 }
 
 void KDiff3App::slotViewStatusBar()
 {
     slotStatusMsg(i18n("Toggle the statusbar..."));
     m_pOptions->m_bShowStatusBar = viewStatusBar->isChecked();
     ///////////////////////////////////////////////////////////////////
     //turn Statusbar on or off
     if(statusBar() != nullptr)
     {
         if(!viewStatusBar->isChecked())
         {
             statusBar()->hide();
         }
         else
         {
             statusBar()->show();
         }
     }
 
     slotStatusMsg(i18n("Ready."));
 }
 
 void KDiff3App::slotStatusMsg(const QString& text)
 {
     ///////////////////////////////////////////////////////////////////
     // change status message permanently
     if(statusBar() != nullptr)
     {
         statusBar()->clearMessage();
         statusBar()->showMessage(text);
     }
 }
 
 //#include "kdiff3.moc"
diff --git a/src/kdiff3.h b/src/kdiff3.h
index 158e4ab..720a703 100644
--- a/src/kdiff3.h
+++ b/src/kdiff3.h
@@ -1,409 +1,409 @@
 /***************************************************************************
  *   Copyright (C) 2002-2007 by Joachim Eibl <joachim.eibl at gmx.de>      *
  *   Copyright (C) 2018 Michael Reeves reeves.87@gmail.com                 *
  *                                                                         *
  *   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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #ifndef KDIFF3_H
 #define KDIFF3_H
 
 #include "diff.h"
 
 // include files for Qt
 #include <QAction>
 #include <QApplication>
 #include <QEventLoop>
 #include <QPointer>
 #include <QScrollBar>
 #include <QSplitter>
 
 // include files for KDE
 #include <KConfigGroup>
 #include <KMainWindow>
 #include <KParts/MainWindow>
 #include <KSharedConfig>
 #include <KToggleAction>
 // forward declaration of the KDiff3 classes
 class OptionDialog;
 class FindDialog;
 //class ManualDiffHelpDialog;
 class DiffTextWindow;
 class DiffTextWindowFrame;
 class MergeResultWindow;
 class WindowTitleWidget;
 class Overview;
 
 class QStatusBar;
 class QMenu;
 
 class KToggleAction;
 class KToolBar;
 class KActionCollection;
 
 namespace KParts {
 class MainWindow;
 }
 
 class KDiff3Part;
 class DirectoryMergeWindow;
 class DirectoryMergeInfo;
 
 class ReversibleScrollBar : public QScrollBar
 {
     Q_OBJECT
     bool* m_pbRightToLeftLanguage;
     int m_realVal;
 
   public:
     ReversibleScrollBar(Qt::Orientation o, bool* pbRightToLeftLanguage)
         : QScrollBar(o)
     {
         m_pbRightToLeftLanguage = pbRightToLeftLanguage;
         m_realVal = 0;
         connect(this, &ReversibleScrollBar::valueChanged, this, &ReversibleScrollBar::slotValueChanged);
     }
     void setAgain() { setValue(m_realVal); }
 
     void setValue(int i)
     {
         if(m_pbRightToLeftLanguage && *m_pbRightToLeftLanguage)
             QScrollBar::setValue(maximum() - (i - minimum()));
         else
             QScrollBar::setValue(i);
     }
 
     int value() const
     {
         return m_realVal;
     }
   public Q_SLOTS:
     void slotValueChanged(int i)
     {
         m_realVal = i;
         if(m_pbRightToLeftLanguage && *m_pbRightToLeftLanguage)
             m_realVal = maximum() - (i - minimum());
         emit valueChanged2(m_realVal);
     }
 
   Q_SIGNALS:
     void valueChanged2(int);
 };
 
 class KDiff3App : public QSplitter
 {
     Q_OBJECT
 
   public:
     /** constructor of KDiff3App, calls all init functions to create the application.
      */
     KDiff3App(QWidget* parent, const QString& name, KDiff3Part* pKDiff3Part);
     ~KDiff3App() override;
 
     bool isPart();
 
     /** initializes the KActions of the application */
     void initActions(KActionCollection*);
 
     /** save general Options like all bar positions and status as well as the geometry
         and the recent file list to the configuration file */
     void saveOptions(KSharedConfigPtr);
 
     /** read general Options again and initialize all variables like the recent file list */
     void readOptions(KSharedConfigPtr);
 
     // Finish initialisation (virtual, so that it can be called from the shell too.)
     virtual void completeInit(const QString& fn1 = QString(), const QString& fn2 = QString(), const QString& fn3 = QString());
 
     /** queryClose is called by KMainWindow on each closeEvent of a window. Against the
      * default implementation (only returns true), this calles saveModified() on the document object to ask if the document shall
      * be saved if Modified; on cancel the closeEvent is rejected.
      * @see KMainWindow#queryClose
      * @see KMainWindow#closeEvent
      */
     virtual bool queryClose();
     virtual bool isFileSaved();
     virtual bool isDirComparison();
 
   Q_SIGNALS:
     void createNewInstance(const QString& fn1, const QString& fn2, const QString& fn3);
 
   protected:
     void setLockPainting(bool bLock);
     void createCaption();
     void initDirectoryMergeActions();
     /** sets up the statusbar for the main window by initialzing a statuslabel. */
     void initStatusBar();
 
     /** creates the centerwidget of the KMainWindow instance and sets it as the view */
     void initView();
 
   public Q_SLOTS:
 
     /** open a file and load it into the document*/
     void slotFileOpen();
     void slotFileOpen2(const QString& fn1, const QString& fn2, const QString& fn3, const QString& ofn,
                        const QString& an1, const QString &an2, const QString& an3, TotalDiffStatus* pTotalDiffStatus);
 
     void slotFileNameChanged(const QString& fileName, e_SrcSelector winIdx);
 
     /** save a document */
     void slotFileSave();
     /** save a document by a new filename*/
     void slotFileSaveAs();
 
     void slotFilePrint();
 
     /** closes all open windows by calling close() on each memberList item until the list is empty, then quits the application.
      * If queryClose() returns false because the user canceled the saveModified() dialog, the closing breaks.
      */
     void slotFileQuit();
     /** put the marked text/object into the clipboard and remove
      *  it from the document
      */
     void slotEditCut();
     /** put the marked text/object into the clipboard
      */
     void slotEditCopy();
     /** paste the clipboard into the document
      */
     void slotEditPaste();
     /** toggles the toolbar
      */
     void slotViewToolBar();
     /** toggles the statusbar
      */
     void slotViewStatusBar();
     /** changes the statusbar contents for the standard label permanently, used to indicate current actions.
      * @param text the text that is displayed in the statusbar
      */
     void slotStatusMsg(const QString& text);
 
     void resizeDiffTextWindowHeight(int newHeight);
     void resizeMergeResultWindow();
     void slotRecalcWordWrap();
     void postRecalcWordWrap();
     void slotFinishRecalcWordWrap(int visibleTextWidth);
 
     void showPopupMenu(const QPoint& point);
 
     void scrollDiffTextWindow(int deltaX, int deltaY);
     void scrollMergeResultWindow(int deltaX, int deltaY);
     void setDiff3Line(int line);
     void sourceMask(int srcMask, int enabledMask);
 
     void slotDirShowBoth();
     void slotDirViewToggle();
 
     void slotUpdateAvailabilities();
     void slotEditSelectAll();
     void slotEditFind();
     void slotEditFindNext();
     void slotGoCurrent();
     void slotGoTop();
     void slotGoBottom();
     void slotGoPrevUnsolvedConflict();
     void slotGoNextUnsolvedConflict();
     void slotGoPrevConflict();
     void slotGoNextConflict();
     void slotGoPrevDelta();
     void slotGoNextDelta();
     void slotChooseA();
     void slotChooseB();
     void slotChooseC();
     void slotAutoSolve();
     void slotUnsolve();
     void slotMergeHistory();
     void slotRegExpAutoMerge();
     void slotConfigure();
     void slotConfigureKeys();
     void slotRefresh();
     void slotSelectionEnd();
     void slotSelectionStart();
     void slotClipboardChanged();
     void slotOutputModified(bool);
     void slotFinishMainInit();
     void slotMergeCurrentFile();
     void slotReload();
     void slotCheckIfCanContinue(bool* pbContinue);
     void slotShowWhiteSpaceToggled();
     void slotShowLineNumbersToggled();
     void slotAutoAdvanceToggled();
     void slotWordWrapToggled();
     void slotShowWindowAToggled();
     void slotShowWindowBToggled();
     void slotShowWindowCToggled();
     void slotWinFocusNext();
     void slotWinFocusPrev();
     void slotWinToggleSplitterOrientation();
     void slotOverviewNormal();
     void slotOverviewAB();
     void slotOverviewAC();
     void slotOverviewBC();
     void slotSplitDiff();
     void slotJoinDiffs();
     void slotAddManualDiffHelp();
     void slotClearManualDiffHelpList();
     void slotNoRelevantChangesDetected();
     void slotEncodingChangedA(QTextCodec*);
     void slotEncodingChangedB(QTextCodec*);
     void slotEncodingChangedC(QTextCodec*);
   private:
     /** the configuration object of the application */
     //KConfig *config;
 
     // QAction pointers to enable/disable actions
     QAction* fileOpen;
     QAction* fileSave;
     QAction* fileSaveAs;
     QAction* filePrint;
     QAction* fileQuit;
     QAction* fileReload;
     QAction* editCut;
     QAction* editCopy;
     QAction* editPaste;
     QAction* editSelectAll;
     KToggleAction* viewToolBar;
     KToggleAction* viewStatusBar;
 
     ////////////////////////////////////////////////////////////////////////
     // Special KDiff3 specific stuff starts here
     QAction* editFind;
     QAction* editFindNext;
 
     QAction* goCurrent;
     QAction* goTop;
     QAction* goBottom;
     QAction* goPrevUnsolvedConflict;
     QAction* goNextUnsolvedConflict;
     QAction* goPrevConflict;
     QAction* goNextConflict;
     QAction* goPrevDelta;
     QAction* goNextDelta;
     KToggleAction* chooseA;
     KToggleAction* chooseB;
     KToggleAction* chooseC;
     KToggleAction* autoAdvance;
     KToggleAction* wordWrap;
     QAction* splitDiff;
     QAction* joinDiffs;
     QAction* addManualDiffHelp;
     QAction* clearManualDiffHelpList;
     KToggleAction* showWhiteSpaceCharacters;
     KToggleAction* showWhiteSpace;
     KToggleAction* showLineNumbers;
     QAction* autoSolve;
     QAction* unsolve;
     QAction* mergeHistory;
     QAction* mergeRegExp;
     KToggleAction* showWindowA;
     KToggleAction* showWindowB;
     KToggleAction* showWindowC;
     QAction* winFocusNext;
     QAction* winFocusPrev;
     QAction* winToggleSplitOrientation;
     KToggleAction* dirShowBoth;
     QAction* dirViewToggle;
     KToggleAction* overviewModeNormal;
     KToggleAction* overviewModeAB;
     KToggleAction* overviewModeAC;
     KToggleAction* overviewModeBC;
 
     QMenu* m_pMergeEditorPopupMenu;
 
     QSplitter* m_pMainSplitter;
     QWidget* m_pMainWidget;
     QWidget* m_pMergeWindowFrame;
     ReversibleScrollBar* m_pHScrollBar = nullptr;
     QScrollBar* m_pDiffVScrollBar = nullptr;
     QScrollBar* m_pMergeVScrollBar;
 
     DiffTextWindow* m_pDiffTextWindow1;
     DiffTextWindow* m_pDiffTextWindow2;
     DiffTextWindow* m_pDiffTextWindow3;
     DiffTextWindowFrame* m_pDiffTextWindowFrame1;
     DiffTextWindowFrame* m_pDiffTextWindowFrame2;
     DiffTextWindowFrame* m_pDiffTextWindowFrame3;
     QSplitter* m_pDiffWindowSplitter;
 
     MergeResultWindow* m_pMergeResultWindow;
     WindowTitleWidget* m_pMergeResultWindowTitle;
     bool m_bTripleDiff;
 
     QSplitter* m_pDirectoryMergeSplitter;
     DirectoryMergeWindow* m_pDirectoryMergeWindow;
     DirectoryMergeInfo* m_pDirectoryMergeInfo;
     bool m_bDirCompare = false;
 
     Overview* m_pOverview;
 
     QWidget* m_pCornerWidget;
 
     TotalDiffStatus m_totalDiffStatus;
 
     SourceData m_sd1;
     SourceData m_sd2;
     SourceData m_sd3;
 
     QSharedPointer<class DirectoryInfo> m_dirinfo;
 
     QString m_outputFilename;
     bool m_bDefaultFilename;
 
     DiffList m_diffList12;
     DiffList m_diffList23;
     DiffList m_diffList13;
 
     DiffBufferInfo m_diffBufferInfo;
     Diff3LineList m_diff3LineList;
     Diff3LineVector m_diff3LineVector;
     //ManualDiffHelpDialog* m_pManualDiffHelpDialog;
     ManualDiffHelpList m_manualDiffHelpList;
 
     int m_neededLines;
     int m_DTWHeight;
     bool m_bOutputModified;
     bool m_bFileSaved;
     bool m_bTimerBlock; // Synchronization
 
     OptionDialog* m_pOptionDialog;
     Options* m_pOptions;
     FindDialog* m_pFindDialog;
 
     void mainInit(TotalDiffStatus* pTotalDiffStatus = nullptr, bool bLoadFiles = true, bool bUseCurrentEncoding = false);
     bool m_bFinishMainInit;
     bool m_bLoadFiles;
 
     void mainWindowEnable(bool bEnable);
     virtual void wheelEvent(QWheelEvent* pWheelEvent) override;
     virtual void keyPressEvent(QKeyEvent* event) override;
     bool eventFilter(QObject* o, QEvent* e) override;
     void resizeEvent(QResizeEvent*) override;
 
     bool improveFilenames(bool bCreateNewInstance);
 
     bool canContinue();
 
     void choose(e_SrcSelector choice);
 
     KActionCollection* actionCollection();
     QStatusBar* statusBar();
     KToolBar* toolBar(QLatin1String);
     KDiff3Part* m_pKDiff3Part;
     KParts::MainWindow* m_pKDiff3Shell;
-    bool m_bAutoFlag;
-    bool m_bAutoMode;
+    bool m_bAutoFlag = false;
+    bool m_bAutoMode = false;
     void recalcWordWrap(int visibleTextWidthForPrinting = -1);
     bool m_bRecalcWordWrapPosted;
     void setHScrollBarRange();
 
     int m_iCumulativeWheelDelta;
     int m_firstD3LIdx;                 // only needed during recalcWordWrap
     QPointer<QEventLoop> m_pEventLoopForPrinting;
 };
 
 #endif // KDIFF3_H
diff --git a/src/main.cpp b/src/main.cpp
index ff1e5a0..53cae41 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,180 +1,184 @@
 /***************************************************************************
  *   Copyright (C) 2003-2007 by Joachim Eibl <joachim.eibl at gmx.de>      *
  *   Copyright (C) 2018 Michael Reeves reeves.87@gmail.com                 *
  *                                                                         *
  *   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.                                   *
  *                                                                         *
  ***************************************************************************/
 #include "kdiff3_shell.h"
 #include "version.h"
 
 #include "Logging.h"
 
 #ifndef Q_OS_WIN
 #include <unistd.h>
 #endif
 
 #include <KAboutData>
 #include <KCrash/KCrash>
 #include <KLocalizedString>
 #include <KMessageBox>
 
 #include <QApplication>
 #include <QByteArray>
 #include <QCommandLineOption>
 #include <QCommandLineParser>
 #include <QFile>
 #include <QStringList>
 #include <QStandardPaths>
 #include <QTextStream>
 
 void initialiseCmdLineArgs(QCommandLineParser* cmdLineParser)
 {
     QString configFileName = QStandardPaths::locate(QStandardPaths::GenericConfigLocation, "kdiff3rc");
     QFile configFile(configFileName);
     QString ignorableOptionsLine = "-u;-query;-html;-abort";
     if(configFile.open(QIODevice::ReadOnly))
     {
         QTextStream ts(&configFile);
         while(!ts.atEnd())
         {
             QString line = ts.readLine();
             if(line.startsWith(QLatin1String("IgnorableCmdLineOptions=")))
             {
                 int pos = line.indexOf('=');
                 if(pos >= 0)
                 {
                     ignorableOptionsLine = line.mid(pos + 1);
                 }
                 break;
             }
         }
     }
     //support our own old preferences this is obsolete
     QStringList sl = ignorableOptionsLine.split(',');
 
     if(!sl.isEmpty())
     {
         QStringList ignorableOptions = sl.front().split(';');
         for(QStringList::iterator i = ignorableOptions.begin(); i != ignorableOptions.end(); ++i)
         {
             (*i).remove('-');
             if(!(*i).isEmpty())
             {
                 if(i->length() == 1) {
                     cmdLineParser->addOption(QCommandLineOption(QStringList() << *i << QLatin1String("ignore"), i18n("Ignored. (User defined.)")));
                 }
                 else
                 {
                     cmdLineParser->addOption(QCommandLineOption(QStringList() << *i, i18n("Ignored. (User defined.)")));
                 }
             }
         }
     }
 }
 
 int main(int argc, char* argv[])
 {
     const QLatin1String appName("kdiff3");
 
     QApplication app(argc, argv); // KAboutData and QCommandLineParser depend on this being setup.
     KLocalizedString::setApplicationDomain(appName.data());
 
     KCrash::initialize();
 
     const QString i18nName = i18n("KDiff3");
     QString appVersion(KDIFF3_VERSION_STRING);
 
     if(sizeof(void*) == 8)
         appVersion += i18n(" (64 bit)");
     else if(sizeof(void*) == 4)
         appVersion += i18n(" (32 bit)");
     const QString description = i18n("Tool for Comparison and Merge of Files and Directories");
     const QString copyright = i18n("(c) 2002-2014 Joachim Eibl, (c) 2017 Michael Reeves KF5/Qt5 port");
     const QString homePage = QStringLiteral("https://kde.org/applications/development/kdiff3");
 
     KAboutData aboutData(appName, i18nName,
                          appVersion, description, KAboutLicense::GPL_V2, copyright, QString(),
                          homePage);
 
     KAboutData::setApplicationData(aboutData);
 
     QCommandLineParser* cmdLineParser = KDiff3Shell::getParser();
     cmdLineParser->setApplicationDescription(aboutData.shortDescription());
 
     aboutData.setupCommandLine(cmdLineParser);
 
     initialiseCmdLineArgs(cmdLineParser);
     // ignorable command options
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("m") << QLatin1String("merge"), i18n("Merge the input.")));
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("b") << QLatin1String("base"), i18n("Explicit base file. For compatibility with certain tools."), QLatin1String("file")));
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("o") << QLatin1String("output"), i18n("Output file. Implies -m. E.g.: -o newfile.txt"), QLatin1String("file")));
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("out"), i18n("Output file, again. (For compatibility with certain tools.)"), QLatin1String("file")));
+#ifdef ENABLE_AUTO
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("auto"), i18n("No GUI if all conflicts are auto-solvable. (Needs -o file)")));
+#else
+    cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("auto"), i18n("Ignored.")));
+#endif
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("qall"), i18n("Do not solve conflicts automatically.")));
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("L1"), i18n("Visible name replacement for input file 1 (base)."), QLatin1String("alias1")));
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("L2"), i18n("Visible name replacement for input file 2."), QLatin1String("alias2")));
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("L3"), i18n("Visible name replacement for input file 3."), QLatin1String("alias3")));
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("L") << QLatin1String("fname alias"), i18n("Alternative visible name replacement. Supply this once for every input.")));
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("cs"), i18n("Override a config setting. Use once for every setting. E.g.: --cs \"AutoAdvance=1\""), QLatin1String("string")));
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("confighelp"), i18n("Show list of config settings and current values.")));
     cmdLineParser->addOption(QCommandLineOption(QStringList() << QLatin1String("config"), i18n("Use a different config file."), QLatin1String("file")));
 
     // other command options
     cmdLineParser->addPositionalArgument(QLatin1String("[File1]"), i18n("file1 to open (base, if not specified via --base)"));
     cmdLineParser->addPositionalArgument(QLatin1String("[File2]"), i18n("file2 to open"));
     cmdLineParser->addPositionalArgument(QLatin1String("[File3]"), i18n("file3 to open"));
 
     bool isAtty = true;
 
 #ifndef Q_OS_WIN
     isAtty = isatty(fileno(stderr)) == 1;//will be true for redirected output as well
 #endif
     /*
         QCommandLineParser::process does what is expected on windows or when running from a commandline.
         However, it only accounts for a lackof terminal output on windows.
     */
     if(isAtty)
     {
         cmdLineParser->process(QCoreApplication::arguments());
     }
     else
     {
         /*
             There is no terminal connected so don't just exit mysteriously on error.
         */
         if(!cmdLineParser->parse(QCoreApplication::arguments()))
         {
             QString errorMessage = cmdLineParser->errorText();
 
             KMessageBox::error(nullptr, "<html><head/><body><h2>" + errorMessage + "</h2><pre>" + i18n("See kdiff3 --help for supported options.") + "</pre></body></html>", aboutData.displayName());
             exit(1);
         }
 
         if(cmdLineParser->isSet(QStringLiteral("version"))) {
             KMessageBox::information(nullptr,
                                     aboutData.displayName() + ' ' + aboutData.version(), aboutData.displayName());
             exit(0);
         }
         if(cmdLineParser->isSet(QStringLiteral("help"))) {
             KMessageBox::information(nullptr, "<html><head/><body><pre>" + cmdLineParser->helpText() + "</pre></body></html>", aboutData.displayName());
 
             exit(0);
         }
     }
 
     aboutData.processCommandLine(cmdLineParser);
 
     KDiff3Shell* p = new KDiff3Shell();
     p->show();
     //p->setWindowState( p->windowState() | Qt::WindowActive ); // Patch for ubuntu: window not active on startup
     //app.installEventFilter( new CFilter );
     int retVal = app.exec();
     /*  if (QApplication::clipboard()->text().size() == 0)
      QApplication::clipboard()->clear(); // Patch for Ubuntu: Fix issue with Qt clipboard*/
     return retVal;
 }