X-Git-Url: http://git.maemo.org/git/?p=qquiz;a=blobdiff_plain;f=src%2Fquiz.cpp;h=e0b31f8c64d18e6da60ee1eb1e21791de03e9e2f;hp=76d5ac80a2aefb69d57e9172988d0dce7de463a8;hb=513938eb61a8fa96bb3a64ef8006069097305f21;hpb=d7583d643c2d93c27043f15ea201fcd312e22db6

diff --git a/src/quiz.cpp b/src/quiz.cpp
index 76d5ac8..e0b31f8 100644
--- a/src/quiz.cpp
+++ b/src/quiz.cpp
@@ -29,17 +29,23 @@ question::~question() {
 	delete(label);
 }
 
-quiz::quiz() : current(NULL), correct(0) {
+quiz::quiz() : current(NULL), subset(0), correct(0)  {
 	QAction *choose;
+	QAction *about;
 
 	window = new QWidget();
-	window->setWindowTitle(QApplication::translate("Qtquiz", "Qtquiz"));
+	window->setWindowTitle(QApplication::translate("Qquiz", "Qquiz"));
 
 	menu = new QMenuBar(window);
 	choose = new QAction("Open", window);
 	QObject::connect(choose, SIGNAL(triggered()), this, SLOT(choose_quiz()));
 
+	about = new QAction("About", window);
+	QObject::connect(about, SIGNAL(triggered()), this, SLOT(about()));
+
 	menu->addAction(choose);
+	menu->addAction(about);
+	window->resize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
 	window->show();
 
 	retrieve_quizzes();
@@ -110,21 +116,33 @@ void quiz::choose_quiz() {
 			}
 			delete(timer);
 			questions.clear();
+			subset = 0;
 			correct = 0;
 		} else {
 			init_gui();
 		}
 		current = files.at(items.indexOf(item));
 		if(read_quiz(current->path.absolutePath().toStdString().c_str())) {
+			if (subset) {
+				trim_questions();
+			}
+			build_index();
 			menu->addAction(give_up);
 			display_score();
 			display_grid();
+			current_time = total_time;
+			display_timer();
+			start_dialog();
 			if (total_time) {
-				current_time = total_time;
 				timer = new QTimer(this);
 				connect(timer, SIGNAL(timeout()), this, SLOT(update_timer()));
 				timer->start(1000);
 			}
+		} else {
+			QString message = "Can't read file :\n";
+
+			message.append(current->path.absolutePath());
+			QMessageBox::warning (window, tr("Input file error"), message);
 		}
 	}
 }
@@ -139,6 +157,7 @@ int quiz::read_quiz(const char *filename) {
 	ifstream ifs (filename);
 	max_label_length = 0;
 	int i = 0;
+    bool ok;
 
 	total_time = 0;
 	if (!ifs) {
@@ -152,7 +171,23 @@ int quiz::read_quiz(const char *filename) {
 		do {
 			getline(ifs, buffer);
 		} while (buffer[0] == '#');
-		total_time = atoi(buffer.c_str());
+		description = QString::fromStdString(buffer);
+		do {
+			getline(ifs, buffer);
+		} while (buffer[0] == '#');
+		if (! buffer.compare(0, strlen(SUBSET_PATTERN), SUBSET_PATTERN)) {
+			subset = QString::fromStdString(buffer.substr(strlen(SUBSET_PATTERN))).toInt(&ok);
+			if (!ok) {
+				return 0;
+			}
+			do {
+				getline(ifs, buffer);
+			} while (buffer[0] == '#');
+		}
+		total_time = QString::fromStdString(buffer).toInt(&ok);
+		if (!ok) {
+			return 0;
+		}
 		/* convert minutes to seconds */
 		total_time *= 60;
 		while (getline(ifs, parse_line)){
@@ -162,7 +197,7 @@ int quiz::read_quiz(const char *filename) {
 			loc = parse_line.find(CHAR_DELIM);
 			if (loc == string::npos) {
 				cerr << "Wrong format in file " << filename << endl;
-				return 0 ;
+				return 0;
 			}
 
 			hint = parse_line.substr(0, loc);
@@ -182,7 +217,6 @@ int quiz::read_quiz(const char *filename) {
 			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);
@@ -194,7 +228,7 @@ int quiz::read_quiz(const char *filename) {
 				}
 				qanswer = QString::fromStdString(answer);
 				qanswer = qanswer.trimmed();
-				index[qanswer.toLower()] = i;
+				q->alternate_answers.append(qanswer);
 				mloc = parse_line.find(ANSWER_DELIM);
 			}
 			i++;
@@ -205,6 +239,41 @@ int quiz::read_quiz(const char *filename) {
 	return 1;
 }
 
+void quiz::trim_questions() {
+	vector<question *> new_questions;
+	int number;
+	int nr_questions;
+
+	qsrand(QDateTime::currentDateTime().toTime_t());
+
+	nr_questions = subset;
+	while (nr_questions) {
+		number = qrand() % questions.size();
+		new_questions.push_back(questions.at(number));
+		questions.erase(questions.begin() + number);
+		nr_questions--;
+	}
+	questions.clear();
+	questions = new_questions;
+	total = subset;
+}
+
+void quiz::build_index() {
+	vector<question *>::iterator itr;
+	int position = 0;
+
+	for (itr = questions.begin(); itr != questions.end() ; itr++, position++) {
+		index[(*itr)->answer.toLower()] = position;
+		if (!(*itr)->alternate_answers.isEmpty()) {
+			QList<QString>::iterator list_itr;
+
+			for (list_itr = (*itr)->alternate_answers.begin();
+					list_itr != (*itr)->alternate_answers.end(); list_itr++)
+				index[(*list_itr).toLower()] = position;
+		}
+	}
+}
+
 void quiz::init_gui() {
 	QHBoxLayout *menu_layout;
 
@@ -261,6 +330,12 @@ void quiz::init_gui() {
 	QObject::connect(give_up, SIGNAL(triggered()), this, SLOT(end()));
 }
 
+void quiz::start_dialog() {
+
+     QMessageBox::information(window, tr("Description"), description);
+
+}
+
 void quiz::buzz(const QString& buffer) {
 	map <QString, int>::iterator itr;
 	question *q;
@@ -303,7 +378,8 @@ void quiz::display_score() {
 
 void quiz::display_grid() {
 	vector<question *>::iterator itrq;
-	int i,j, nr_columns, nr_col_padding;
+	int i,j, nr_col_padding;
+	int nr_columns = 0;
 	int padding = 3;
 	int pixelsWide ;
 	QFont font;
@@ -339,8 +415,12 @@ void quiz::display_grid() {
 }
 
 void quiz::update_timer() {
-
 	current_time--;
+	display_timer();
+}
+
+void quiz::display_timer() {
+
 	QTime t(0, current_time / 60, current_time % 60);
 	timer_label->setText(t.toString("m:ss"));
 	if (current_time == 0) {
@@ -364,3 +444,17 @@ void quiz::end() {
 		}
 	}
 }
+
+void quiz::about() {
+	QString message = "";
+	QString version;
+
+	message.append(APP_NAME);
+	message.append("-");
+	version = version.setNum(APP_VERSION);
+	message.append(version);
+	message.append("\n by ");
+	message.append(AUTHOR);
+	QMessageBox::about ( window, tr("About"), message);
+}
+