--- /dev/null
+/*
+ * Copyright (C) 2010 Charles Clement <caratorn _at_ gmail.com>
+ *
+ * This file is part of qquiz.
+ *
+ * qquiz 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 "quiz.h"
+
+question::question(QString h, QString r) : hint(h), answer(r), answered(0) {
+}
+
+question::~question() {
+ delete(label);
+}
+
+quiz::quiz() : current(NULL), correct(0) {
+ QAction *choose;
+
+ window = new QWidget();
+ window->setWindowTitle(QApplication::translate("Qtquiz", "Qtquiz"));
+
+ menu = new QMenuBar(window);
+ choose = new QAction("Open", window);
+ QObject::connect(choose, SIGNAL(triggered()), this, SLOT(choose_quiz()));
+
+ menu->addAction(choose);
+ window->show();
+
+ retrieve_quizzes();
+
+ choose_quiz();
+};
+
+void quiz::retrieve_quizzes() {
+ QDir dir;
+ QFileInfoList list;
+ quiz_file *q;
+ QString path("");
+ QString buf;
+ QString datadir(PKGDATADIR);
+
+ if(dir.cd(datadir)) {
+ list = dir.entryInfoList(QDir::Files);
+ } else {
+ cerr << "Can't find directory " << datadir.toStdString() << endl;
+ }
+ path.append(dir.homePath());
+ path.append("/.");
+ path.append(APP_NAME);
+ if (dir.cd(path)) {
+ list.append(dir.entryInfoList(QDir::Files));
+ } else {
+ cerr << "Can't find directory " << path.toStdString() << endl;
+ }
+ for (int i = 0; i < list.size(); ++i) {
+ q = new quiz_file();
+
+ QFileInfo fileInfo = list.at(i);
+ q->path = fileInfo.absoluteFilePath();
+ QFile file(fileInfo.absoluteFilePath());
+ file.open(QFile::ReadOnly);
+ QTextStream stream(&file);
+ do {
+ buf = stream.readLine();
+ } while (buf[0] == '#');
+ q->title = buf;
+ q->id = i;
+ files.push_back(q);
+ }
+}
+
+void quiz::choose_quiz() {
+ QStringList items;
+ vector<quiz_file *>::iterator itr;
+ bool ok;
+
+ for (itr = files.begin(); itr != files.end() ; itr++) {
+ items << (*itr)->title;
+ }
+
+ //QString item = QInputDialog::getItem(window, tr("Choose quiz"),
+ // tr("Available quizzes:"), items, 0, false, &ok, QInputDialog::UseListViewForComboBoxItems);
+ QString item = QInputDialog::getItem(window, tr("Choose quiz"),
+ tr("Available quizzes:"), items, 0, false, &ok);
+
+ if (ok && !item.isEmpty()) {
+ if (current) {
+ vector<question *>::iterator itrq;
+
+ index.clear();
+ for ( itrq = questions.begin() ; itrq != questions.end() ; itrq++) {
+ (*itrq)->label->hide();
+ grid->removeWidget((*itrq)->label);
+ }
+ delete(timer);
+ questions.clear();
+ correct = 0;
+ } else {
+ init_gui();
+ }
+ current = files.at(items.indexOf(item));
+ if(read_quiz(current->path.absolutePath().toStdString().c_str())) {
+ menu->addAction(give_up);
+ display_score();
+ display_grid();
+ if (total_time) {
+ current_time = total_time;
+ timer = new QTimer(this);
+ connect(timer, SIGNAL(timeout()), this, SLOT(update_timer()));
+ timer->start(1000);
+ }
+ }
+ }
+}
+
+
+int quiz::read_quiz(const char *filename) {
+ string parse_line, hint, answer;
+ string buffer;
+ string::size_type loc, mloc;
+ QString qanswer;
+ question *q;
+ ifstream ifs (filename);
+ max_label_length = 0;
+ int i = 0;
+
+ total_time = 0;
+ if (!ifs) {
+ cerr << "Failed to open file " << filename << endl;
+ return 0;
+ } else {
+ do {
+ getline(ifs, buffer);
+ } while (buffer[0] == '#');
+ title = QString::fromStdString(buffer);
+ do {
+ getline(ifs, buffer);
+ } while (buffer[0] == '#');
+ total_time = atoi(buffer.c_str());
+ /* convert minutes to seconds */
+ total_time *= 60;
+ while (getline(ifs, parse_line)){
+ if (parse_line[0] == '#')
+ continue;
+
+ loc = parse_line.find(CHAR_DELIM);
+ if (loc == string::npos) {
+ cerr << "Wrong format in file " << filename << endl;
+ return 0 ;
+ }
+
+ hint = parse_line.substr(0, loc);
+ if (hint.length() > max_label_length)
+ max_label_length = hint.length();
+ parse_line = parse_line.substr(loc);
+ mloc = parse_line.find(ANSWER_DELIM);
+
+ if (mloc == string::npos) {
+ answer = parse_line.substr(1);
+ } else {
+ answer = parse_line.substr(1, mloc - 1);
+ }
+ if (answer.length() > max_label_length )
+ max_label_length = answer.length();
+ qanswer = QString::fromStdString(answer);
+ qanswer = qanswer.trimmed();
+ q = new question(QString::fromStdString(hint), qanswer );
+ questions.push_back(q);
+ index[qanswer.toLower()] = i;
+
+ while (mloc != string::npos) {
+ parse_line = parse_line.substr(mloc + 1);
+ mloc = parse_line.find(ANSWER_DELIM);
+ if (mloc != string::npos) {
+ answer = parse_line.substr(0, mloc);
+ } else {
+ answer = parse_line.substr(0);
+ }
+ qanswer = QString::fromStdString(answer);
+ qanswer = qanswer.trimmed();
+ index[qanswer.toLower()] = i;
+ mloc = parse_line.find(ANSWER_DELIM);
+ }
+ i++;
+ }
+ ifs.close();
+ total = i;
+ }
+ return 1;
+}
+
+void quiz::init_gui() {
+ QHBoxLayout *menu_layout;
+
+ line = new QLineEdit(window);
+ score = new QLabel("", window);
+ timer_label = new QLabel("0:00", window);
+
+ /* Disable auto-completion
+ */
+ //line->setCompleter((QCompleter *)0);
+ //line->setCompleter(0);
+
+#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)
+ // supposed to work in Qt 4.6
+ line->setInputMethodHints(Qt::ImhNoPredictiveText);
+#endif
+
+ //line->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+ line->setMinimumWidth(window->width() / 2);
+ score->setAlignment(Qt::AlignHCenter);
+ timer_label->setAlignment(Qt::AlignHCenter);
+
+ layout = new QVBoxLayout();
+ menu_layout = new QHBoxLayout();
+
+ score->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+ line->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+ timer_label->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+
+ menu_layout->addWidget(score);
+ menu_layout->addWidget(line);
+ menu_layout->addWidget(timer_label);
+
+ menu_layout->setSizeConstraint(QLayout::SetFixedSize);
+ layout->addLayout(menu_layout);
+
+ scrollArea = new QScrollArea();
+ sub_window = new QWidget(scrollArea);
+ grid = new QGridLayout();
+
+ sub_window->setLayout(grid);
+ scrollArea->setWidget(sub_window);
+
+ scrollArea->setWidgetResizable(true);
+ scrollArea->setProperty("FingerScrollable", true);
+ scrollArea->setFocusPolicy(Qt::NoFocus);
+
+ layout->addWidget(scrollArea);
+ window->setLayout(layout);
+
+ QObject::connect(line, SIGNAL(textChanged(const QString&)), this, SLOT(buzz(const QString&)));
+
+ give_up = new QAction("Give up", window);
+ QObject::connect(give_up, SIGNAL(triggered()), this, SLOT(end()));
+}
+
+void quiz::buzz(const QString& buffer) {
+ map <QString, int>::iterator itr;
+ question *q;
+
+ itr = index.find(buffer.toLower());
+ if (itr != index.end()) {
+ q = questions.at(itr->second);
+
+ if (q->answered) {
+ return ;
+ } else {
+ q->label->setStyleSheet("QLabel { color: green }");
+ q->label->setText(q->answer);
+ correct++;
+ line->clear();
+ display_score();
+ q->answered = 1;
+ if (correct == total) {
+ end();
+ }
+ }
+ }
+}
+
+quiz::~quiz() {
+ index.clear();
+ questions.clear();
+}
+
+void quiz::display_score() {
+ QString score_text, ext;
+
+ score_text.setNum(correct);
+ score_text.append('/');
+ ext.setNum(total);
+ score_text.append(ext);
+
+ score->setText(score_text);
+}
+
+void quiz::display_grid() {
+ vector<question *>::iterator itrq;
+ int i,j, nr_columns, nr_col_padding;
+ int padding = 3;
+ int pixelsWide ;
+ QFont font;
+ string example;
+
+ QFontMetrics qfm = QFontMetrics(font);
+ example.append(max_label_length + 2, 'C');
+ pixelsWide = qfm.width(QString::fromStdString(example));
+
+ if (pixelsWide) {
+ nr_columns = window->width() / pixelsWide;
+ nr_col_padding = (window->width() -
+ (2 * padding + nr_columns * 2 * padding) ) / pixelsWide;
+ nr_columns = nr_col_padding;
+ }
+ if (!nr_columns) {
+ nr_columns = DEFAULT_NR_COL;
+ }
+
+ itrq = questions.begin();
+ for ( i = 0; itrq != questions.end() ; i++) {
+
+ for ( j = 0 ; j < nr_columns && itrq != questions.end() ; j++) {
+ (*itrq)->label = new QLabel((*itrq)->hint);
+ // Doesn't do anything on maemo
+ //(*itrq)->label->setFrameStyle(QFrame::Panel | QFrame::Raised);
+
+ grid->addWidget((*itrq)->label, i, j);
+ itrq++;
+ }
+ }
+
+}
+
+void quiz::update_timer() {
+
+ current_time--;
+ QTime t(0, current_time / 60, current_time % 60);
+ timer_label->setText(t.toString("m:ss"));
+ if (current_time == 0) {
+ end();
+ }
+}
+
+void quiz::end() {
+ vector<question *>::iterator itrq;
+
+ if(!current)
+ return;
+
+ timer->stop();
+
+ menu->removeAction(give_up);
+ for ( itrq = questions.begin() ; itrq != questions.end() ; itrq++) {
+ if (!(*itrq)->answered) {
+ (*itrq)->label->setStyleSheet("QLabel { color: red }");
+ (*itrq)->label->setText((*itrq)->answer);
+ }
+ }
+}
projects / qquiz / blobdiff