/** This file is part of Kiten, a KDE Japanese Reference Tool... Copyright (C) 2001 Jason Katz-Brown (C) 2005 Paul Temple This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA **/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // RAND_MAX #include #include #include "kitenconfig.h" #include "dict.h" #include "kloader.h" #include "ksaver.h" #include "learn.h" LearnItem::LearnItem(TQListView *parent, TQString label1, TQString label2, TQString label3, TQString label4, TQString label5, TQString label6, TQString label7, TQString label8) : TQListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8) { } int LearnItem::compare(TQListViewItem *item, int col, bool ascending) const { // "Returns < 0 if this item is less than i [item] , 0 if they // are equal and > 0 if this item is greater than i [item]." return key(col, ascending).toInt() - item->key(col, ascending).toInt(); } const int Learn::numberOfAnswers = 5; Learn::Learn(Dict::Index *parentDict, TQWidget *parent, const char *name) : KMainWindow(parent, name), initialized(false), isMod(false), prevItem(0), curItem(0) { index = parentDict; TQWidget *dummy = new TQWidget(this); setCentralWidget(dummy); TQVBoxLayout *veryTop = new TQVBoxLayout(dummy, 0, KDialog::spacingHint()); Tabs = new TQTabWidget(dummy); connect(Tabs, TQT_SIGNAL(currentChanged(TQWidget *)), TQT_SLOT(tabChanged(TQWidget *))); veryTop->addWidget(Tabs); listTop = new TQSplitter(Tabs); listTop->setOrientation(Qt::Vertical); quizTop = new TQWidget(Tabs); Tabs->addTab(listTop, i18n("&List")); Tabs->addTab(quizTop, i18n("&Quiz")); View = new ResultView(true, listTop, "View"); View->setBasicMode(true); connect(View, TQT_SIGNAL(linkClicked(const TQString &)), this, TQT_SIGNAL(linkClicked(const TQString &))); List = new KListView(listTop); List->addColumn(i18n("Kanji")); List->addColumn(i18n("Meanings")); List->addColumn(i18n("Readings")); List->addColumn(i18n("Grade")); List->addColumn(i18n("Your Score")); List->setAllColumnsShowFocus(true); List->setColumnWidthMode(0, TQListView::Maximum); List->setColumnWidthMode(1, TQListView::Maximum); List->setColumnWidthMode(2, TQListView::Maximum); List->setColumnWidthMode(3, TQListView::Maximum); List->setMultiSelection(true); List->setDragEnabled(true); List->setSorting(4); List->setSelectionModeExt(KListView::Extended); connect(List, TQT_SIGNAL(executed(TQListViewItem *)), TQT_SLOT(showKanji(TQListViewItem *))); connect(List, TQT_SIGNAL(selectionChanged()), this, TQT_SLOT(itemSelectionChanged())); TQStringList grades(i18n("Grade 1")); grades.append(i18n("Grade 2")); grades.append(i18n("Grade 3")); grades.append(i18n("Grade 4")); grades.append(i18n("Grade 5")); grades.append(i18n("Grade 6")); grades.append(i18n("Others in Jouyou")); grades.append(i18n("Jinmeiyou")); /*KAction *closeAction = */(void) KStdAction::close(this, TQT_SLOT(close()), actionCollection()); printAct = KStdAction::print(this, TQT_SLOT(print()), actionCollection()); forwardAct = KStdAction::forward(this, TQT_SLOT(next()), actionCollection()); forwardAct->plug(toolBar()); backAct = KStdAction::back(this, TQT_SLOT(prev()), actionCollection()); backAct->plug(toolBar()); cheatAct = new KAction(i18n("&Cheat"), CTRL + Key_C, this, TQT_SLOT(cheat()), actionCollection(), "cheat"); randomAct = new KAction(i18n("&Random"), "goto", CTRL + Key_R, this, TQT_SLOT(random()), actionCollection(), "random"); gradeAct = new KListAction(i18n("Grade"), 0, 0, 0, actionCollection(), "grade"); gradeAct->setItems(grades); connect(gradeAct, TQT_SIGNAL(activated(const TQString&)), TQT_SLOT(updateGrade())); removeAct = new KAction(i18n("&Delete"), "edit_remove", CTRL + Key_X, this, TQT_SLOT(del()), actionCollection(), "del"); addAct = new KAction(i18n("&Add"), "edit_add", CTRL + Key_A, this, TQT_SLOT(add()), actionCollection(), "add"); addAllAct = new KAction(i18n("Add A&ll"), 0, this, TQT_SLOT(addAll()), actionCollection(), "addall"); newAct = KStdAction::openNew(this, TQT_SLOT(openNew()), actionCollection()); openAct = KStdAction::open(this, TQT_SLOT(open()), actionCollection()); saveAct = KStdAction::save(this, TQT_SLOT(save()), actionCollection()); saveAsAct = KStdAction::saveAs(this, TQT_SLOT(saveAs()), actionCollection()); (void) KStdAction::preferences(this, TQT_SIGNAL(configureLearn()), actionCollection()); removeAct->setEnabled(false); TQVBoxLayout *quizLayout = new TQVBoxLayout(quizTop, KDialog::marginHint(), KDialog::spacingHint()); quizLayout->addStretch(); TQHBoxLayout *hlayout = new TQHBoxLayout(quizLayout); qKanji = new TQPushButton(quizTop); connect(qKanji, TQT_SIGNAL(clicked()), this, TQT_SLOT(qKanjiClicked())); hlayout->addStretch(); hlayout->addWidget(qKanji); hlayout->addStretch(); quizLayout->addStretch(); answers = new TQButtonGroup(1, Horizontal, quizTop); for (int i = 0; i < numberOfAnswers; ++i) answers->insert(new KPushButton(answers), i); quizLayout->addWidget(answers); quizLayout->addStretch(); connect(answers, TQT_SIGNAL(clicked(int)), this, TQT_SLOT(answerClicked(int))); createGUI("learnui.rc"); //closeAction->plug(toolBar()); resize(600, 400); applyMainWindowSettings(Config::self()->config(), "LearnWindow"); statusBar()->message(i18n("Put on your thinking cap!")); nogood = false; // this is so learn doesn't take so long to show itself TQTimer::singleShot(200, this, TQT_SLOT(finishCtor())); } void Learn::finishCtor() { Config* config = Config::self(); setCurrentGrade(config->grade()); /* * this must be done now, because * to start a quiz, we need a working randomMeaning() * and that needs a loaded grade! */ updateGrade(); updateQuizConfiguration(); // first TQString entry = config->lastFile(); //kdDebug() << "lastFile: " << entry << endl; if (!entry.isEmpty()) { filename = entry; read(filename); } else { openNew(); } initialized = true; } Learn::~Learn() { emit destroyed(this); } bool Learn::warnClose() { if (isMod) { int result = KMessageBox::warningYesNoCancel(this, i18n("There are unsaved changes to learning list. Save them?"), i18n("Unsaved Changes"), KStdGuiItem::save(), KStdGuiItem::discard(), "DiscardAsk", true); switch (result) { case KMessageBox::Yes: saveAct->activate(); // fallthrough case KMessageBox::No: return true; case KMessageBox::Cancel: return false; } } return true; } bool Learn::closeWindow() { if (!warnClose()) { return false; } else { close(); return true; } } bool Learn::queryClose() { if (!warnClose()) return false; // cancel saveScores(); // also sync()s; saveMainWindowSettings(Config::self()->config(), "LearnWindow"); return true; } void Learn::random() { int rand = static_cast(static_cast(list.count()) / (static_cast(RAND_MAX) / kapp->random())); current = list.at(rand - 1); update(); } void Learn::next() { ++current; if (current == list.end()) current = list.begin(); update(); } void Learn::prev() { if (Tabs->currentPageIndex() == 1) { if (!prevItem) return; curItem = prevItem; statusBar()->clear(); qupdate(); nogood = true; backAct->setEnabled(false); return; } if (current == list.begin()) current = list.end(); --current; update(); } void Learn::update() { View->clear(); Dict::Entry curKanji = *current; if (!curKanji.kanji()) { statusBar()->message(i18n("Grade not loaded")); // oops return; } View->addKanjiResult(curKanji); // now show some compounds in which this kanji appears TQString kanji = curKanji.kanji(); Dict::SearchResult compounds = index->search(TQRegExp(kanji), kanji, true); View->addHeader(i18n("%1 in compounds").arg(kanji)); for (TQValueListIterator it = compounds.list.begin(); it != compounds.list.end(); ++it) { kapp->processEvents(); View->addResult(*it, true); } View->flush(); } void Learn::updateGrade() { int grade = getCurrentGrade(); TQString regexp("G%1 "); regexp = regexp.arg(grade); Dict::SearchResult result = index->searchKanji(TQRegExp(regexp), regexp, false); list = result.list; statusBar()->message(i18n("%1 entries in grade %2").arg(list.count()).arg(grade)); list.remove(list.begin()); current = list.begin(); update(); Config::self()->setGrade(grade); } void Learn::read(const KURL &url) { List->clear(); KLoader loader(url); if (!loader.open()) { KMessageBox::error(this, loader.error(), i18n("Error")); return; } TQTextCodec &codec = *TQTextCodec::codecForName("eucJP"); TQTextStream &stream = loader.textStream(); stream.setCodec(&codec); while (!stream.atEnd()) { TQChar kanji; stream >> kanji; // ignore whitespace if (!kanji.isSpace()) { TQRegExp regexp ( TQString("^%1\\W").arg(kanji) ); Dict::SearchResult res = index->searchKanji(regexp, kanji, false); Dict::Entry first = Dict::firstEntry(res); if (first.extendedKanjiInfo()) add(first, true); } } setClean(); } void Learn::open() { if (!warnClose()) return; KURL prevname = filename; filename = KFileDialog::getOpenURL(TQString::null, "*.kiten"); if (filename.isEmpty()) { filename = prevname; return; } read(filename); //kdDebug() << "saving lastFile\n"; Config* config = Config::self(); config->setLastFile(filename.url()); // redo quiz, because we deleted the current quiz item curItem = List->firstChild(); backAct->setEnabled(false); prevItem = curItem; qnew(); numChanged(); } void Learn::openNew() { if (!warnClose()) return; filename = ""; setCaption(""); List->clear(); setClean(); numChanged(); } void Learn::saveAs() { KURL prevname = filename; filename = KFileDialog::getSaveURL(TQString::null, "*.kiten"); if (filename.isEmpty()) { filename = prevname; return; } save(); } void Learn::save() { if (filename.isEmpty()) saveAs(); if (filename.isEmpty()) return; write(filename); Config* config = Config::self(); config->setLastFile(filename.url()); } void Learn::write(const KURL &url) { KSaver saver(url); if (!saver.open()) { KMessageBox::error(this, saver.error(), i18n("Error")); return; } TQTextCodec &codec = *TQTextCodec::codecForName("eucJP"); TQTextStream &stream = saver.textStream(); stream.setCodec(&codec); for (TQListViewItemIterator it(List); it.current(); ++it) stream << it.current()->text(0).at(0); if (!saver.close()) { KMessageBox::error(this, saver.error(), i18n("Error")); return; } saveScores(); setClean(); statusBar()->message(i18n("%1 written").arg(url.prettyURL())); } void Learn::saveScores() { KConfig &config = *Config::self()->config(); config.setGroup("Learn Scores"); for (TQListViewItemIterator it(List); it.current(); ++it) config.writeEntry(it.current()->text(0), it.current()->text(4).toInt()); config.sync(); Config::self()->writeConfig(); } void Learn::add(Dict::Entry toAdd, bool noEmit) { // Remove peripheral readings: This is a study mode, not a reference mode TQRegExp inNames (",\\s*[A-Za-z ]+:.*"); TQString readings = Dict::prettyKanjiReading(toAdd.readings()).replace(inNames, ""); TQString meanings = shortenString(Dict::prettyMeaning(toAdd.meanings()).replace(inNames, "")); TQString kanji = toAdd.kanji(); // here's a dirty rotten cheat (well, not really) // noEmit always means it's not added by the user, so this check isn't needed if (!noEmit) { for (TQListViewItemIterator it(List); it.current(); ++it) { if (it.current()->text(0) == kanji) { statusBar()->message(i18n("%1 already on your list").arg(kanji)); return; } } } statusBar()->message(i18n("%1 added to your list").arg(kanji)); KConfig &config = *Config::self()->config(); int score = 0; config.setGroup("Learn Scores"); score = config.readNumEntry(kanji, score); unsigned int grade = toAdd.grade(); addItem(new LearnItem(List, kanji, meanings, readings, TQString::number(grade), TQString::number(score)), noEmit); numChanged(); } void Learn::add() { add(*current); setDirty(); } void Learn::addAll() { int grade = getCurrentGrade(); TQString regexp("G%1 "); regexp = regexp.arg(grade); Dict::SearchResult result = index->searchKanji(TQRegExp(regexp), regexp, false); for (TQValueListIterator i = result.list.begin(); i != result.list.end(); ++i) { // don't add headers if ((*i).dictName() == "__NOTSET" && (*i).header() == "__NOTSET") add(*i); } } void Learn::addItem(TQListViewItem *item, bool noEmit) { // 2 is the magic jump if (List->childCount() == 2) { curItem = item; prevItem = curItem; qnew(); // init first quiz //kdDebug() << "initting first quiz in addItem\n"; } if (!noEmit) { List->ensureItemVisible(item); setDirty(); } } void Learn::showKanji(TQListViewItem *item) { assert(item); TQString kanji(item->text(0)); int grade = item->text(3).toUInt(); if (getCurrentGrade() != grade) { setCurrentGrade(grade); updateGrade(); } // Why does this fail to find the kanji sometimes? for (current = list.begin(); current != list.end() && (*current).kanji() != kanji; ++current); update(); } void Learn::del() { // quiz page if (Tabs->currentPageIndex() == 1) { delete curItem; curItem = prevItem; // needs to be something qnew(); } else // setup page { TQPtrList selected = List->selectedItems(); assert(selected.count()); bool makenewq = false; // must make new quiz if we // delete the current item for (TQPtrListIterator i(selected); *i; ++i) { if (curItem == i) makenewq = true; delete *i; } curItem = List->firstChild(); prevItem = curItem; backAct->setEnabled(false); if (makenewq) { qnew(); } setDirty(); } itemSelectionChanged(); numChanged(); } // too easy... void Learn::print() { View->clear(); View->addHeader(TQString("

%1

").arg(i18n("Learning List")), 1); TQListViewItemIterator it(List); for (; it.current(); ++it) { TQString kanji = it.current()->text(0); Dict::SearchResult result = index->searchKanji(TQRegExp(kanji), kanji, false); for (TQValueListIterator i = result.list.begin(); i != result.list.end(); ++i) { if ((*i).dictName() == "__NOTSET" && (*i).header() == "__NOTSET") { View->addKanjiResult(*i); break; } } } View->print(); } void Learn::answerClicked(int i) { if (!curItem) return; int newscore = 0; // KConfig &config = *Config::self()->config(); // config.setGroup("Learn"); bool donew = false; if (seikai == i) { statusBar()->message(i18n("Good!")); if (!nogood) // add two to their score newscore = curItem->text(4).toInt() + 2; else { qnew(); return; } donew = true; } else { statusBar()->message(i18n("Wrong")); // take one off score newscore = curItem->text(4).toInt() - 1; if (!nogood) nogood = true; else return; } //config.writeEntry(curItem->text(0) + "_4", newscore); TQListViewItem *newItem = new LearnItem(List, curItem->text(0), curItem->text(1), curItem->text(2), curItem->text(3), TQString::number(newscore)); // readd, so it sorts // 20 November 2004: why?? why not List->sort() ?? // haha I used to be naive delete curItem; curItem = newItem; if (donew) qnew(); } TQString Learn::randomMeaning(TQStringList &oldMeanings) { TQString meaning; do { float rand = kapp->random(); if ((rand > (RAND_MAX / 2)) || (List->childCount() < numberOfAnswers)) { // get a meaning from dict //kdDebug() << "from our dict\n"; rand = kapp->random(); float rand2 = RAND_MAX / rand; rand = ((float)list.count() - 1) / rand2; //rand -= 1; //kdDebug() << "rand: " << rand << endl; //kdDebug() << "list.count(): " << list.count() << endl; switch (guessOn) { case 1: meaning = shortenString(Dict::prettyMeaning((*list.at(static_cast(rand))).meanings())); break; case 2: meaning = Dict::prettyKanjiReading((*list.at(static_cast(rand))).readings()); break; case 0: meaning = (*list.at(static_cast(rand))).kanji(); } } else { // get a meaning from our list //kdDebug() << "from our list\n"; rand = kapp->random(); float rand2 = RAND_MAX / rand; rand = List->childCount() / rand2; int max = (int) rand; TQListViewItemIterator it(List); it += max; meaning = it.current()->text(guessOn); } //kdDebug() << "meaning: " << meaning << endl; for (TQStringList::Iterator it = oldMeanings.begin(); it != oldMeanings.end(); ++it) { //kdDebug() << "oldMeaning: " << *it << endl; } //kdDebug() << "curMeaning: " << curItem->text(guessOn) << endl; } while (oldMeanings.contains(meaning) || meaning == curItem->text(guessOn)); oldMeanings.append(meaning); meaning = shortenString(meaning); return meaning; } void Learn::qupdate() { if (!curItem) return; qKanji->setText(curItem->text(quizOn)); TQFont newFont = font(); if (quizOn == 0) newFont.setPixelSize(24); qKanji->setFont(newFont); float rand = kapp->random(); float rand2 = RAND_MAX / rand; seikai = static_cast(numberOfAnswers / rand2); TQStringList oldMeanings; for (int i = 0; i < numberOfAnswers; ++i) answers->find(i)->setText(randomMeaning(oldMeanings)); answers->find(seikai)->setText(curItem->text(guessOn)); } struct Learn::scoreCompare { bool operator()(const TQListViewItem* v1, const TQListViewItem* v2) { return v1->text(4).toInt() < v2->text(4).toInt(); } }; void Learn::qnew() // new quiz kanji { //kdDebug() << "qnew\n"; nogood = false; statusBar()->clear(); statusBar()->message(TQString("%1 %2 %3").arg(curItem->text(0)).arg(curItem->text(1)).arg(curItem->text(2))); backAct->setEnabled(true); unsigned int count = List->childCount(); if (count < 2) return; // the following lines calculate which kanji will be used next: // use f(2) every third time, f(1) otherwise // where f(1) = numberOfItems * rand[0..1] // and f(2) = numberOfItems * rand[0..1] * rand[0..1] // rand[0..1] = kapp->random() / RAND_MAX float max = static_cast(count) / (static_cast(RAND_MAX) / kapp->random()); if (kapp->random() < (static_cast(RAND_MAX) / 3.25)) max /= (static_cast(RAND_MAX) / (kapp->random() + 1)); max = static_cast(max); if (max > count) max = count; std::multiset scores; TQListViewItemIterator sIt(List); for (; sIt.current(); ++sIt) scores.insert(sIt.current()); std::multiset::iterator it = scores.begin(); std::multiset::iterator tmp = scores.begin(); int i; for (i = 2; i <= max; ++it) {i++; ++tmp;} if (curItem->text(0) == (*it)->text(0)) // same, don't use { ++it; if (it == scores.end()) { tmp--; it = tmp; } } if (it == scores.end()) { return; } prevItem = curItem; curItem = const_cast(*it); qKanji->setFocus(); qupdate(); } void Learn::cheat() { answers->find(seikai)->setFocus(); statusBar()->message(i18n("Better luck next time")); nogood = true; } TQString Learn::shortenString(const TQString &thestring) { return KStringHandler::rsqueeze(thestring, 60).stripWhiteSpace(); } void Learn::tabChanged(TQWidget *widget) { bool isQuiz = (widget == quizTop); if (isQuiz) backAct->setEnabled(prevItem != 0); else backAct->setEnabled(true); forwardAct->setEnabled(!isQuiz); gradeAct->setEnabled(!isQuiz); saveAct->setEnabled(!isQuiz); addAct->setEnabled(!isQuiz); addAllAct->setEnabled(!isQuiz); randomAct->setEnabled(!isQuiz); openAct->setEnabled(!isQuiz); newAct->setEnabled(!isQuiz); saveAsAct->setEnabled(!isQuiz); cheatAct->setEnabled(isQuiz); // also handled below for !isQuiz case removeAct->setEnabled(isQuiz); if (isQuiz) { qKanji->setFocus(); } else { // handle removeAct; itemSelectionChanged(); } statusBar()->clear(); } void Learn::updateQuiz() { if (List->childCount() < 3) Tabs->setTabEnabled(quizTop, false); else Tabs->setTabEnabled(quizTop, true); } void Learn::itemSelectionChanged() { removeAct->setEnabled(List->selectedItems().count() > 0); } int Learn::getCurrentGrade(void) { int grade = gradeAct->currentItem() + 1; if (grade > 6) ++grade; return grade; } void Learn::setCurrentGrade(int grade) { if (grade > 6) --grade; gradeAct->setCurrentItem(grade - 1); } void Learn::updateQuizConfiguration() { Config* config = Config::self(); quizOn = config->quizOn(); guessOn = config->guessOn(); answers->setTitle(List->columnText(guessOn)); View->updateFont(); if (List->childCount() >= 2 && initialized) qnew(); } void Learn::setDirty() { isMod = true; setCaption(filename.prettyURL(), true); } void Learn::setClean() { isMod = false; if (!filename.prettyURL().isEmpty()) setCaption(filename.prettyURL(), false); } void Learn::qKanjiClicked() { if (!curItem) return; showKanji(curItem); nogood = true; } void Learn::numChanged() { Tabs->setTabEnabled(quizTop, List->childCount() >= 2); //quizTop->setEnabled(List->childCount() >= 2); } #include "learn.moc"