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ktouch.cpp

/***************************************************************************
 *   ktouch.cpp                                                            *
 *   ----------                                                            *
 *   Copyright (C) 2000 by Håvard Frøiland, 2004 by Andreas Nicolai        *
 *   ghorwin@users.sourceforge.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.                                   *
 ***************************************************************************/

#include "ktouch.h"
#include "ktouch.moc"

// Qt Header
#include <QtXml>

// KDE Header
#include <kselectaction.h>
#include <kactioncollection.h>
#include <kstandardaction.h>
#include <klocale.h>
#include <kstatusbar.h>
#include <kfiledialog.h>
#include <kaction.h>
#include <kstandarddirs.h>
#include <kmessagebox.h>
#include <kdebug.h>
#include <kmenu.h>
#include <kconfigdialog.h>

#include <kcombobox.h>
#include <kfontrequester.h>
#include <knuminput.h>
#include <kicon.h>
#include <kio/netaccess.h>

// KTouch Header
#include "ktouchlecture.h"
#include "ktouchtrainer.h"

#include "ktouchstatuswidget.h"
#include "ktouchkeyboardwidget.h"
#include "ktouchtextlinewidget.h"

#include "ktouchlectureeditordialog.h"
#include "ktouchkeyboardeditordialog.h"
#include "ktouchcoloreditordialog.h"
#include "ktouchstatisticsdialog.h"
#include "ktouchusersetupdialog.h"

#include "ktouchprefgeneral.h"
#include "ktouchpreftraining.h"
#include "ktouchprefkeyboard.h"
#include "ktouchprefcolors.h"
#include "ktouchprefsound.h"

#include "prefs.h"
#include "ktouchcolorscheme.h"
#include "ktouchutils.h"

KTouch * KTouchPtr = NULL;

00065 KTouch::KTouch() :
    m_statusWidget(NULL),
    m_keyboardWidget(NULL),
    m_trainer(NULL)
{
    setFocusPolicy(Qt::StrongFocus);

    setAttribute(Qt::WA_InputMethodEnabled, true);
 //   setAttribute(Qt::WA_KeyCompression );

    resetInputContext ();

      // Set global KTouchPtr to the main KTouch Object
      KTouchPtr = this;

      // General initialization of the program, common for all start modes
      init();

      // *** Read and initialize user statistics ***

      // first clear statistics data (also make sure our mapping contains
      // the "default" user)
      clearStatistics();
      KUrl stat_file = KGlobal::dirs()->findResource("data", "ktouch/statistics.xml");
      // read previous stats from file
      KTouchStatisticsData::readUserStats(this, stat_file, m_userStats);

      // Setup our actions and connections
      setupActions();

      // Init a training session
      initTrainingSession();

      // Reload the last used training file.
      if (Prefs::currentLectureFile().isNull() ||
            !m_lecture.loadXML(this, Prefs::currentLectureFile() ))
      {
            Prefs::setCurrentLectureFile(QString());
            m_defaultLectureAction->setCurrentItem(-1);
      }
      else {
            updateFontFromLecture();
            // adjust check marks in quick-select menus
            updateLectureActionCheck();
            //kDebug() << "[KTouch::KTouch]  lecture file = " << Prefs::currentLectureFile();
      }

    statusBarLevel = new QLabel(this);
    statusBar()->addPermanentWidget(statusBarLevel);

    statusBarSession = new QLabel(this);
    statusBar()->addPermanentWidget(statusBarSession);

    setupGUI();

    // Adjust check mark for the keyboard file
    updateKeyboardActionCheck();
    // If the user doesn't want to restart with his old level, start from 0 (level 1)
    if (!Prefs::rememberLevel())
        m_trainer->m_level = 0;
    else
        m_trainer->m_level = Prefs::currentTrainingLevel();
    // now let's start the training in the current level
    m_trainer->startTraining(true);

    setFocus();
}
// ----------------------------------------------------------------------------

// Free memory of objects that are not owned by the main KTouch object
00135 KTouch::~KTouch() {
      delete m_trainer;
      m_trainer = NULL;
}
// ----------------------------------------------------------------------------

00141 KTouchLectureStats& KTouch::getCurrentLectureStats() {
//    kDebug() << "[KTouch::getCurrentLectureStats]  ";
      KUrl lectureURL = Prefs::currentLectureFile();
      if (lectureURL.url().isEmpty())  lectureURL = "default";
//    kDebug() << "  lectureURL = '" << lectureURL << "'";
      KTouchLectureStats& stat = m_userStats[Prefs::currentUserName()].m_lectureStats[lectureURL];
      // add additional info to the statistics
      stat.m_lectureURL = lectureURL;
      stat.m_lectureTitle = m_lecture.title();
      return stat;
}
// ----------------------------------------------------------------------------

00154 void KTouch::clearStatistics() {
      m_userStats.clear();
      m_userStats[Prefs::currentUserName()].m_userName = i18n("Default User");
}
// ----------------------------------------------------------------------------

// ********************
// *** Public slots ***
// ********************

00164 void KTouch::applyPreferences() {
      // This applies a new color scheme for the keyboard and also updates all other
      // changes for the keyboard widget
      changeColor(Prefs::currentColorScheme());
      m_textLineWidget->applyPreferences();
      m_statusWidget->applyPreferences();
}
// ----------------------------------------------------------------------------

00173 void KTouch::keyPressEvent(QKeyEvent *keyEvent) {
    if (keyEvent->text().isEmpty()) return;

    // if we the training session is paused, continue training now
    if (m_trainer->m_trainingPaused)  {
        m_trainingPause->setEnabled(true);
        m_trainer->continueTraining();
    }

    QChar key = keyEvent->text().at(0); // get first unicode character

    if (key.isPrint())
        m_trainer->keyPressed(key);
    else if (key==QChar(8))
        m_trainer->backspacePressed();
    else if (key==QChar(13))
        m_trainer->enterPressed();
    else
    {
        keyEvent->ignore(); // unrecognised char -> don't accept it! Maybe the key is for somebody else?
        return;
    }
    keyEvent->accept();
}
// -----------------------------------------------------------------------------

void KTouch::inputMethodEvent( QInputMethodEvent* m ){
    m_trainer->keyPressed(m->commitString().at(0));
    m->accept();
}
// -----------------------------------------------------------------------------

// The action File->Open text...
00206 void KTouch::fileOpenText() {
      trainingPause();
      KUrl tmp = KFileDialog::getOpenUrl(QString(), i18n("*.txt|Text files\n*.*|All files"), this, i18n("Select Practice Text") );
    if (!tmp.isEmpty()) {
            // TODO : ask user for training options
            // create a default lecture
            KTouchLecture lec;
            // now read the file and replace the default mini level with the text in the file
            QString target;
            if (KIO::NetAccess::download(tmp, target, this)) {
                  // Ok, that was successful, read the file into the first level of the lecture
                  QFile infile(target);
                  if ( !infile.open( QIODevice::ReadOnly ) ) {
                        // FIXME : KIO::NetAccess::removeTempFile(target);
                        return;
                  }
                  QTextStream in(&infile);
                  // read text in stringlist
                  int max_len = 0;
                  int max_lines = 0;
                  QString line = in.readLine();
                  QStringList lines;
                  while (!line.isNull() && ++max_lines < 1000) {
                        lines.append(line.trimmed());
                        max_len = qMax(max_len, line.length());
                        line = in.readLine();
                  }
                  // store the lecture data
                  lec.setTitle(i18n("Imported text from file '%1'", tmp.fileName()));
                  KTouchLevelData dat(i18n("generated from text file"), i18n("all available"));
                  dat.setLines(lines);
                  lec.setLevel(0, dat);

                  // first store training statistics
                  m_trainer->storeTrainingStatistics();
                  Prefs::setCurrentLectureFile(tmp.url());
                  m_lecture = lec;
                  updateFontFromLecture();
                  // adjust check marks in quick-select menus
                  updateLectureActionCheck();
                  // restart training session from level 1 here...
                  m_trainer->startTraining(false);
                  m_trainingPause->setEnabled(true);
            }
            KIO::NetAccess::removeTempFile(target);
      }
}
// ----------------------------------------------------------------------------

// The action File->Open lecture...
00256 void KTouch::fileOpenLecture() {
      trainingPause();
      KUrl tmp = KFileDialog::getOpenUrl(QString(), QString(), this, i18n("Select Training Lecture File") );
    if (!tmp.isEmpty()) {
            // first store training statistics
            m_trainer->storeTrainingStatistics();
            Prefs::setCurrentLectureFile(tmp.url());
            m_lecture.loadXML(this, Prefs::currentLectureFile() );
            updateFontFromLecture();
            // adjust check marks in quick-select menus
            updateLectureActionCheck();
      }
      // restart training session from level 1 here...
      m_trainer->startTraining(false);
      m_trainingPause->setEnabled(true);
}
// ----------------------------------------------------------------------------

// The action File->Edit lecture...
00275 void KTouch::fileEditLecture() {
      trainingPause();
      m_trainer->storeTrainingStatistics();
      // Create and execute editor
    KTouchLectureEditorDialog dlg(this);
    dlg.startEditor( Prefs::currentLectureFile() );
      // Reload lecture in case it was modified
      m_lecture.loadXML(this, Prefs::currentLectureFile() );
      updateFontFromLecture();
      // adjust check marks in quick-select menus
      updateLectureActionCheck();
      // restart training session here (keep level)...
      m_trainer->startTraining(true);
      m_trainingPause->setEnabled(true);
}
// ----------------------------------------------------------------------------

// The action File->Edit colors...
00293 void KTouch::fileEditColors() {
      trainingPause();
      // Create a copy of the currently editable color schemes.
      QList<KTouchColorScheme> tmp_list;
      int default_schemes = 0;
      for (QList<KTouchColorScheme>::const_iterator it = KTouchColorScheme::m_colorSchemes.constBegin();
            it != KTouchColorScheme::m_colorSchemes.constEnd(); ++it)
      {
            if (!it->m_default)     tmp_list.append(*it);
            else                          ++default_schemes;
      }

      KTouchColorEditorDialog dlg(this);        // Create editor
      // start editor
      int selected;
      dlg.startEditor( tmp_list, Prefs::currentColorScheme() - default_schemes, selected);
      KTouchColorScheme::createDefaults();
      for (QList<KTouchColorScheme>::const_iterator it = tmp_list.constBegin();
            it != tmp_list.constEnd(); ++it)
      {
            KTouchColorScheme::m_colorSchemes.append(*it);
      }
      // update the quick select menu
    QStringList schemes_list;
    for (int i=0; i<KTouchColorScheme::m_colorSchemes.count(); ++i)
            schemes_list.append(KTouchColorScheme::m_colorSchemes[i].m_name);
    m_keyboardColorAction->setItems(schemes_list);
      int index = selected + default_schemes;
      if (index >=0 && index < KTouchColorScheme::m_colorSchemes.count()) {
            Prefs::setCurrentColorScheme(index);
      }
      else {
            Prefs::setCurrentColorScheme(1); // fall back on default in case active was deleted
      }
      m_keyboardColorAction->setCurrentItem(Prefs::currentColorScheme());
      applyPreferences();
}
// ----------------------------------------------------------------------------

// The action File->Edit keyboard...
00333 void KTouch::fileEditKeyboard() {
      trainingPause();
      // Create and execute editor
    KTouchKeyboardEditorDialog dlg(this);
    if (dlg.startEditor( Prefs::currentKeyboardFile() )) {
            // Reload keyboard in case it was modified
            m_keyboardWidget->applyPreferences(this, false);
            // adjust check marks in quick-select menus
            updateKeyboardActionCheck();
      }
}
// ----------------------------------------------------------------------------

00346 void KTouch::fileQuit() {
    qApp->quit();
}
// ----------------------------------------------------------------------------

00351 void KTouch::trainingNewSession() {
    trainingPause();
      int result = KMessageBox::questionYesNoCancel(this,
            i18n("Would you like to keep the current level for the new training session?"),
            i18n("Start new training session"),KGuiItem(i18n("Keep current level")),KGuiItem(i18n("Start from first level")));
      if (result == KMessageBox::Cancel) return;
      // store the statistics obtained so far in the trainer object
      m_trainer->storeTrainingStatistics();
      // start new training session here
      m_trainer->startTraining(result == KMessageBox::Yes);
    m_trainingPause->setEnabled(true);
}
// ----------------------------------------------------------------------------

00365 void KTouch::trainingPause() {
    m_trainingPause->setEnabled(false);
    m_trainer->pauseTraining();
}
// ----------------------------------------------------------------------------

00371 void KTouch::trainingStatistics() {
    trainingPause();
      KTouchStatisticsDialog dlg(this);
      // TODO : this is somewhat messy: we have to get the words in the
    //        current line (since they are not stored in the current
    //        level and session stats, because the student may delete
    //        the whole line again) and add them manually to copies
    //        of the currents stats
      KTouchSessionStats kss = m_trainer->m_sessionStats;
      KTouchLevelStats kls = m_trainer->m_levelStats;
      kss.m_words += m_trainer->wordsInCurrentLine();
      kls.m_words += m_trainer->wordsInCurrentLine();
      // by calling getCurrentLectureStats we ensure that there is
    // data for the current lecture present for the dialog to function
      // properly
      getCurrentLectureStats();
    dlg.run(Prefs::currentLectureFile(), m_userStats[Prefs::currentUserName()], kls, kss);
}
// ----------------------------------------------------------------------------

00391 void KTouch::optionsPreferences() {

    trainingPause();
    if ( KConfigDialog::showDialog( "settings" ) )
        return;

    // KConfigDialog didn't find an instance of this dialog, so lets create it :
    KConfigDialog* dialog = new KConfigDialog(this, "settings",  Prefs::self());

    m_pageGeneral = new KTouchPrefGeneral(dialog);
    dialog->addPage(m_pageGeneral, i18n("General Options"), "configure-toolbars","","");

    m_pageTraining = new KTouchPrefTraining(dialog);
    dialog->addPage(m_pageTraining, i18n("Training Options"), "chronometer");

    m_pageKeyboard = new KTouchPrefKeyboard(dialog);
    dialog->addPage(m_pageKeyboard, i18n("Keyboard Settings"), "preferences-desktop-keyboard");

    m_pageColors = new KTouchPrefColors(dialog);
    dialog->addPage(m_pageColors, i18n("Color Settings"), "preferences-desktop-color");

    m_pageSound = new KTouchPrefSound(dialog);
    dialog->addPage(m_pageSound, i18n("Sound Settings"), "preferences-desktop-sound");

    connect(dialog, SIGNAL(settingsChanged(const QString &)), this, SLOT(applyPreferences()));

    dialog->show();
}
// ----------------------------------------------------------------------------

00421 void KTouch::optionsSetupUsers() {
      KTouchUserSetupDialog dlg(this);
      QStringList users = m_userStats.keys();
      // call setup users dialog
      dlg.showDialog(users);
      // loop over all users and store only the statistics data already present in our
      // statistics map
      QMap<QString, KTouchStatisticsData> new_stats;
      for (QStringList::const_iterator it = users.constBegin(); it != users.constEnd(); ++it) {
            new_stats[*it] = m_userStats[*it];
            new_stats[*it].m_userName = *it;
      }
      m_userStats = new_stats;
    m_currentUserAction->setItems(m_userStats.keys());
      updateCurrentUserActionCheck();
}
// ----------------------------------------------------------------------------

00439 void KTouch::changeStatusbarMessage(const QString& text) {
    statusBar()->showMessage(text);
}
// ----------------------------------------------------------------------------

00444 void KTouch::changeStatusbarStats(unsigned int level_correct, unsigned int level_total, unsigned int level_words,
      unsigned int session_correct, unsigned int session_total, unsigned int session_words)
{
    statusBarLevel->setText(i18n( "Level:  Correct/Total chars: %1/%2  Words: %3", level_correct, level_total, level_words));
    statusBarSession->setText(i18n( "Session: Correct/Total chars: %1/%2  Words: %3", session_correct, session_total, session_words));
}
// ----------------------------------------------------------------------------

00452 void KTouch::changeKeyboard(int num) {
    if (num > m_keyboardFiles.count()) return;
      if (num == m_keyboardFiles.count()) {
            // TODO : open dialog with user provided keyboard files
            return;
      }
      if (m_keyboardFiles[num] != Prefs::currentKeyboardFile()) {
            KMessageBox::information(this, i18n("Note that in different countries touch typing is tought slightly different which "
                  "usually affects only the top row of keys. For instance, in the United States only the leftmost key and the key "
                  "with the 1 are pressed by the little finger of the left hand. In Germany the little "
                  "finger also presses the 2 key, and thus the fingers shift one key to the right on the top row.\n"
                  "Normally this only makes a difference for split or ergonomic keyboards."), QString(), "KeyboardLayoutChangeInfo");
            Prefs::setCurrentKeyboardFile( m_keyboardFiles[num] );
            //kDebug() << "[KTouch::changeKeyboard]  new keyboard layout = " << Prefs::currentKeyboardFile();
            m_keyboardLayoutAction->setCurrentItem(num);
            // call Apply-Preferenzes in "noisy"-mode, pop up an error if the chosen layout file is corrupt
            m_keyboardWidget->applyPreferences(this, false);
      }
}
// ----------------------------------------------------------------------------

00473 void KTouch::changeColor(int num) {
    if (num >= KTouchColorScheme::m_colorSchemes.count()) return;
    Prefs::setCurrentColorScheme(num);
    m_keyboardWidget->applyPreferences(this, false);
      m_textLineWidget->applyPreferences();
}
// ----------------------------------------------------------------------------

00481 void KTouch::changeLecture(int num) {
    if (num >= m_lectureFiles.count()) return;
    trainingPause();
      KTouchLecture l;
      QString fileName = m_lectureFiles[num];
    if (!l.loadXML(this, KUrl(fileName))) {
        KMessageBox::sorry(0, i18n("Could not find/open the lecture file '%1'.", fileName) );
      m_defaultLectureAction->setCurrentItem(-1);
      }
      else {
            // store the statistics obtained so far in the trainer object
            m_trainer->storeTrainingStatistics();
            // set new lecture as current
            Prefs::setCurrentLectureFile( fileName );
            m_lecture = l;
            updateFontFromLecture();
      m_defaultLectureAction->setCurrentItem(num);
      // now let's start the training in the first level of the training lecture
            m_trainer->startTraining(false);
            m_trainingPause->setEnabled(true);
      }
}
// ----------------------------------------------------------------------------

00505 void KTouch::changeUser(int num) {
    if (num >= m_userStats.keys().count()) return;
    trainingPause();
      m_trainer->storeTrainingStatistics();
      QString new_name = m_userStats.keys()[num];
      Prefs::setCurrentUserName(new_name);
    KMessageBox::information(this, i18n("Changing user to '%1'. Restarting training session at current level.", new_name) );
      m_trainer->startTraining(true);
}
// ----------------------------------------------------------------------------


// *********************************
// *** Protected member function ***
// *********************************

00521 bool KTouch::queryExit() {
      // store config data
      Prefs::setCurrentTrainingLevel( m_trainer->m_level );
    Prefs::self()->writeConfig();
      // update and save statistics
      m_trainer->storeTrainingStatistics();
      KUrl stat_file = KGlobal::dirs()->saveLocation("data","ktouch", true) + "statistics.xml";
      // make sure all stats have the user names
//    for (QStringList::iterator it = m_userStats.keys().begin(); it != m_userStats.keys().end(); ++it)
//          m_userStats[*it].m_userName = *it;
      KTouchStatisticsData::writeUserStats(this, stat_file, m_userStats);
      //m_userStats[Prefs::currentUserName()].write(this, stat_file);
      KUrl color_file = KGlobal::dirs()->saveLocation("data","ktouch", true) + "color_schemes.xml";
      KTouchColorScheme::writeList(this, color_file);
    return true;
}
// ----------------------------------------------------------------------------

00539 void KTouch::resizeEvent(QResizeEvent * event) {
      changeStatusbarStats(m_trainer->m_levelStats.m_correctChars, m_trainer->m_levelStats.m_totalChars, m_trainer->m_levelStats.m_words,
            m_trainer->m_sessionStats.m_correctChars, m_trainer->m_sessionStats.m_totalChars, m_trainer->m_sessionStats.m_words);
      KXmlGuiWindow::resizeEvent(event);
}
// ----------------------------------------------------------------------------


// *******************************
// *** Private member function ***
// *******************************


// Initialises the program during a normal startup
00553 void KTouch::init() {
      //kDebug() << "[KTouch::init]  populating file lists...";
    updateFileLists();  // create lists with default lecture/keyboard/examination files/colour scheme files
      //kDebug() << "[KTouch::init]  " << m_lectureFiles.count() << " lectures available";
      //kDebug() << "[KTouch::init]  " << m_keyboardFiles.count() << " keyboard layouts available";
      //kDebug() << "[KTouch::init]  " << m_examinationFiles.count() << " examination files available";

      if (Prefs::currentLectureFile() == "default") {
            Prefs::setCurrentLectureFile(QString());
//          /// \todo look up a lecture in the language of the KDE locale
/*          QString default_lecture = "default";
            if (m_lectureFiles.count() > 0)  default_lecture = m_lectureFiles[0];
            Prefs::setCurrentLectureFile( default_lecture );
*/
      }

    // if keyboard layout (loaded by Prefs is not available (e.g. the
    // layout file has been deleted) switch to default keyboard
    if (m_keyboardFiles.contains(Prefs::currentKeyboardFile() )==0) {
        QString default_keyboard;
        // determine locale
        QString lang = KGlobal::locale()->language();
        QString fname = lang + ".keyboard";
        // try to find keyboard with current locale
        QStringList::const_iterator it = m_keyboardFiles.constBegin();
        while (it != m_keyboardFiles.constEnd()   &&   (*it).indexOf(fname) == -1)  ++it;
        if (it == m_keyboardFiles.constEnd()) {
            fname = lang.left(2) + ".keyboard";
            // try to find more general version
            it = m_keyboardFiles.constBegin();
            while (it != m_keyboardFiles.constEnd()   &&   (*it).indexOf(fname) == -1)  ++it;
        }

        if (it != m_keyboardFiles.constEnd())
            default_keyboard = *it;
        else
            default_keyboard = "number.keyboard";
        Prefs::setCurrentKeyboardFile ( default_keyboard );
    }

    // create some default colour schemes
    KTouchColorScheme::createDefaults();
    // read additional color schemes
      KUrl color_file = KGlobal::dirs()->findResource("data", "ktouch/color_schemes.xml");
      KTouchColorScheme::readList(this, color_file);
}
// ----------------------------------------------------------------------------

// Creates the layout and GUI setup for a practice session
00602 void KTouch::initTrainingSession() {
      //kDebug() << "[KTouch::initTrainingSession]  setting up layouts and widgets for new training session...";
    // Build the training area. The status widget has a fixed vertical size, the slide line and the
    // keyboard grow according to their vertical stretch factors (see last argument in the constructors
    // of QSizePolicy)

    QWidget *main = new QWidget(this);
    QVBoxLayout *layout = new QVBoxLayout(main);

    m_statusWidget = new KTouchStatusWidget( main );
    m_textLineWidget = new KTouchTextLineWidget( main );
      QSizePolicy sp(QSizePolicy::Preferred, QSizePolicy::Expanding);
      sp.setVerticalStretch(1);
    sp.setHorizontalStretch(10);
    m_textLineWidget->setSizePolicy( sp );
    m_keyboardWidget = new KTouchKeyboardWidget( main );
      sp.setVerticalStretch(3);
    m_keyboardWidget->setSizePolicy( sp );

    layout->addWidget(m_statusWidget);
    layout->addWidget(m_textLineWidget);
    layout->addWidget(m_keyboardWidget);

    // apply the settings to the widgets
    m_textLineWidget->applyPreferences();
    m_keyboardWidget->applyPreferences(this, true);  // set preferences silently here

    // create our trainer, the master object for the training stuff...
    if (m_trainer != NULL)  delete m_trainer;
    m_trainer = new KTouchTrainer(m_statusWidget, m_textLineWidget, m_keyboardWidget, &m_lecture);

    setCentralWidget(main);
}
// ----------------------------------------------------------------------------

// Creates the (standard) actions and entries in the menu.
00638 void KTouch::setupActions() {
      // here we create actions for the menu and toolbar
      // the placement is defined in the ktouchui.rc file

      // *** File menu ***
    QAction *action;
    action = actionCollection()->addAction( "file_opentext" );
    action->setText( i18n("&Open Plain Text File...") );
    action->setIcon( KIcon("document-open") );

    connect(action, SIGNAL(triggered(bool)), SLOT(fileOpenText()));
    action = actionCollection()->addAction( "file_openlecture" );
    action->setText( i18n("&Open Lecture...") );
    action->setIcon( KIcon("document-open") );
    connect(action, SIGNAL(triggered(bool)), SLOT(fileOpenLecture()));

    action = actionCollection()->addAction( "file_editlecture" );
    action->setText( i18n("&Edit Lecture...") );
    action->setIcon( KIcon("document-properties") );
    connect(action, SIGNAL(triggered(bool)), SLOT(fileEditLecture()));

    action = actionCollection()->addAction( "file_editcolors" );
    action->setText( i18n("&Edit Color Scheme...") );
    action->setIcon( KIcon("format-fill-color") );
    connect(action, SIGNAL(triggered(bool)), SLOT(fileEditColors()));

    action = actionCollection()->addAction( "file_editkeyboard" );
    action->setText( i18n("&Edit Keyboard Layout...") );
    action->setIcon( KIcon("preferences-desktop-keyboard-layout") );
    connect(action, SIGNAL(triggered(bool)), SLOT(fileEditKeyboard()));

    KStandardAction::quit(this, SLOT(fileQuit()), actionCollection());

      // *** Training menu ***
    action = actionCollection()->addAction( "training_newsession" );
    action->setText( i18n("&Start New Session") );
    action->setIcon( KIcon("media-playback-start") );
    connect(action, SIGNAL(triggered(bool)), SLOT(trainingNewSession()));

    m_trainingPause=actionCollection()->addAction( "training_pause" );
    m_trainingPause->setText( i18n("&Pause Session") );
    m_trainingPause->setIcon(KIcon("media-playback-pause") );
    connect(m_trainingPause, SIGNAL(triggered(bool)), SLOT(trainingPause()));

    action = actionCollection()->addAction("training_stats" );
    action->setText( i18n("&Lecture Statistics") );
    action->setIcon( KIcon("view-statistics") );
    connect(action, SIGNAL(triggered(bool)), SLOT(trainingStatistics()));

    // Setup menu entries for the training lectures
    m_defaultLectureAction =  actionCollection()->add<KSelectAction>( "training_default_lectures" );
    m_defaultLectureAction->setText( i18n("Default &Lectures") );
    m_defaultLectureAction->setMenuAccelsEnabled(false);
    m_defaultLectureAction->setItems(m_lectureTitles);
    m_defaultLectureAction->setCurrentItem(0);
    connect (m_defaultLectureAction, SIGNAL(triggered(int)), this, SLOT(changeLecture(int)));

      // *** Options menu ***
    KStandardAction::preferences(this, SLOT(optionsPreferences()), actionCollection());
    // Setup menu entries for keyboard layouts
    m_keyboardLayoutAction= actionCollection()->add<KSelectAction>( "keyboard_layouts" );
    m_keyboardLayoutAction->setText( i18n("&Keyboard Layouts") );
    m_keyboardLayoutAction->setMenuAccelsEnabled(false);
//  TODO : add this back in when we have the KNewStuff feature implemented, were users
//         can anonymously upload their keyboards and lectures which will then be offered in
//         the diaolg that pops up for the "More keyboard layouts..." menu entry
//    m_keyboardTitles << i18n("More keyboard layouts...");
    m_keyboardLayoutAction->setItems(m_keyboardTitles);
    connect (m_keyboardLayoutAction, SIGNAL(triggered(int)), this, SLOT(changeKeyboard(int)));

      // Setup menu entries for colour schemes
    m_keyboardColorAction = actionCollection()->add<KSelectAction>( "keyboard_schemes" );
    m_keyboardColorAction->setText( i18n("Keyboards &Color Schemes") );
    QStringList schemes_list;
    for (int i=0; i<KTouchColorScheme::m_colorSchemes.count(); ++i)
            schemes_list.append(KTouchColorScheme::m_colorSchemes[i].m_name);
      m_keyboardColorAction->setMenuAccelsEnabled(false);
    m_keyboardColorAction->setItems(schemes_list);
      if (Prefs::currentColorScheme() >=  schemes_list.count())
            Prefs::setCurrentColorScheme(1);
      m_keyboardColorAction->setCurrentItem(Prefs::currentColorScheme());
    connect (m_keyboardColorAction, SIGNAL(triggered(int)), this, SLOT(changeColor(int)));

    // *** User settings ***
    action = actionCollection()->addAction( "settings_setup_users" );
    action->setText( i18n("&Setup Users...") );
    action->setIcon( KIcon("system-users") );
    connect(action, SIGNAL(triggered(bool)), SLOT(optionsSetupUsers()));

    m_currentUserAction = actionCollection()->add<KSelectAction>( "settings_current_user" );
    m_currentUserAction->setText( i18n("&Current User") );
      m_currentUserAction->setMenuAccelsEnabled(false);
    m_currentUserAction->setItems(m_userStats.keys());
      updateCurrentUserActionCheck();
    connect (m_currentUserAction, SIGNAL(triggered(int)), this, SLOT(changeUser(int)));
}
// ----------------------------------------------------------------------------

// This function updates the font used in the sliding line of a font suggestions was
// made for the current lecture.
00738 void KTouch::updateFontFromLecture() {
      // if the lecture requires a font, try this
      if (!m_lecture.m_fontSuggestions.isEmpty()) {
            QFont f;
            // TODO : if multiple font suggestions are given, try one after another until a
            // suggested font is found
            if (f.fromString(m_lecture.m_fontSuggestions))  m_textLineWidget->setFont(f);
            else if (f.fromString("Monospace"))                   m_textLineWidget->setFont(f);
      }
}
// ----------------------------------------------------------------------------

// This function populates the file lists with the installed training, keyboard and
// examination files.
00752 void KTouch::updateFileLists() {
    // first search for all installed new format keyboard files
    KStandardDirs *dirs = KGlobal::dirs();
    m_keyboardFiles = dirs->findAllResources("data","ktouch/*.keyboard.xml");

      // extract titles from keyboard files and store them in the
      // m_keyboardTitles string list
    m_keyboardTitles.clear();
      kDebug() << "Keyboard files in XML format:";
    for (QStringList::const_iterator cit = m_keyboardFiles.constBegin();
        cit != m_keyboardFiles.constEnd(); ++cit)
    {
            KUrl url = (*cit);
      QString target;
            // try to read language code and keyboard name from file
            if (!KIO::NetAccess::download(url, target, this)) continue;
            // Ok, that was successful, store the lectureURL and read the file
            QFile infile(target);
            if ( !infile.open( QIODevice::ReadOnly ) )      continue;
            QDomDocument doc;
            doc.setContent( &infile );
            QDomElement root = doc.documentElement();
            if (root.isNull() || root.tagName() != "KTouchKeyboard")  continue;
            
            // get the title
            QString title;
            QDomElement e = root.firstChildElement("Title");
            if (!e.isNull())  title = i18nc("Keyboard Layout Name", e.firstChild().nodeValue().toUtf8());
            else                    title = i18n("untitled keyboard layout");
            QString langid;
            // retrieve the language id
            e = root.firstChildElement("Language");
            if (!e.isNull())  langid = e.firstChild().nodeValue();
            // compose title for main menu
            if (!langid.isEmpty())
                  title = QString("%1 (%2)").arg(title).arg(langid);
        m_keyboardTitles.append( title );
        kDebug() << "  " << m_keyboardTitles.back() << "\t [" << url << "]";
    }

    // now sort the files and titles accordingly
    sort_lists(m_keyboardTitles, m_keyboardFiles);
    // and add the number keypad to the front

    // Now lets find the lecture files.
      // TODO : search in i18n() directories
    QStringList lectureFiles = dirs->findAllResources("data","ktouch/*.ktouch.xml");
      // Now extract the titles of the lecture files and populate the string lists used in the program
      m_lectureFiles.clear();
      m_lectureTitles.clear();
    if (!lectureFiles.isEmpty()) {
        // extract the prefixes
        for (QStringList::iterator it=lectureFiles.begin(); it!=lectureFiles.end(); ++it) {
            KUrl url(KUrl::fromPath(*it));
                  KTouchLecture l;
                  // only add lecture if we can actually load it
                  if (l.loadXML(this, url)) {
                        // since we could read the lecture, we remember the URL
                        m_lectureFiles.push_back(*it);
                        // store the title of the lecture
                        if (l.title().isEmpty())
                              m_lectureTitles.push_back(i18n("untitled lecture") + " - (" + url.fileName() + ')');
                  else
                              m_lectureTitles.push_back(l.title());
                  }
        }
        sort_lists(m_lectureTitles, m_lectureFiles);
    }

      // Now find predefined files with colour schemes
    QStringList colour_schemes = dirs->findAllResources("data","ktouch/*.colour_scheme");
      // TODO : read in colour schemes and populate QValueList<KTouchColorScheme>
}
// ----------------------------------------------------------------------------


00828 void KTouch::updateLectureActionCheck() {
      int num = 0;
      QStringList::iterator it = m_lectureFiles.begin();
      QString fname = Prefs::currentLectureFile();
      while (it != m_lectureFiles.end()   &&   !(*it).contains(fname)) {
            ++it;
            ++num;
      }
      if (it == m_lectureFiles.end())           m_defaultLectureAction->setCurrentItem(-1);
      else                                            m_defaultLectureAction->setCurrentItem(num);
}
// ----------------------------------------------------------------------------

00841 void KTouch::updateKeyboardActionCheck() {
      int num = 0;
      QStringList::iterator it = m_keyboardFiles.begin();
      QString fname = Prefs::currentKeyboardFile();
      while (it != m_keyboardFiles.end()   &&   !(*it).contains(fname)) {
            ++it;
            ++num;
      }
      if (it == m_keyboardFiles.end())    m_keyboardLayoutAction->setCurrentItem(-1);
      else                                      m_keyboardLayoutAction->setCurrentItem(num);
}
// ----------------------------------------------------------------------------

00854 void KTouch::updateCurrentUserActionCheck() {
    QStringList user_list = m_userStats.keys();
    int index = user_list.indexOf(Prefs::currentUserName());
    // if not found, fall back on Default User
    if (index == -1) {
      index = user_list.indexOf("Default User");
      KMessageBox::information(this, i18n("Changing user to '%1'. Restarting training session at current level.", user_list[index]) );
      m_trainer->startTraining(true);
    }
    Prefs::setCurrentUserName(user_list[index]);
    m_currentUserAction->setCurrentItem(index);
}
// ----------------------------------------------------------------------------

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