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path: root/kgeography/src/boxasker.cpp
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/***************************************************************************
 *   Copyright (C) 2004-2005 by Albert Astals Cid                          *
 *   tsdgeos@terra.es                                                      *
 *                                                                         *
 *   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 <stdlib.h> // for RAND_MAX

#include <tdeaccelmanager.h>
#include <tdeapplication.h>
#include <tdelocale.h>
#include <kpushbutton.h>

#include <tqlabel.h>
#include <tqlayout.h>
#include <tqradiobutton.h>
#include <tqvbuttongroup.h>

#include "boxasker.h"
#include "map.h"

boxAsker::boxAsker(TQWidget *parent, KGmap *m, TQWidget *w, uint count) : askWidget(parent, m, w, count)
{
	p_lay = new TQVBoxLayout(this);
	
	TQVButtonGroup *bg = new TQVButtonGroup(this);
	p_label = new TQLabel(this);
	p_rb = new TQRadioButton*[4];
	for(int i = 0; i < 4; i++)
	{
		p_rb[i] = new TQRadioButton(bg);
		p_rb[i]->setFocusPolicy(TQWidget::StrongFocus);
	}
	p_accept = new KPushButton(this);

	p_lay -> addWidget(p_label);
	p_lay -> addWidget(bg, 1);
	p_lay -> addWidget(p_accept);
	TDEAcceleratorManager::setNoAccel(this);
}

boxAsker::~boxAsker()
{
	delete[] p_rb;
}

void boxAsker::setQuestion(const TQString &q)
{
	p_label -> setText(q);
}

void boxAsker::keyReleaseEvent(TQKeyEvent *e)
{
	if (e -> key() == TQt::Key_Return || e -> key() == TQt::Key_Enter) checkAnswer();
	else askWidget::keyReleaseEvent(e);
}

void boxAsker::nextQuestionHook(const TQString &division)
{
	TQString otherDivision;
	TQStringList auxList;
	int i;
	
	setFocus();
	for (i = 0; i < 4; i++) p_rb[i] -> setChecked(false);
	
	auxList << division;
		
	// we put the division in a random place
	p_position = (int)((float)4 * kapp -> random() / (RAND_MAX + 1.0));
	nextBoxAskerQuestionHook(division, p_position, true);
		
	// we put other 3 names
	i = 0;
	while (i < 4)
	{
		// false because boxaskers never are clickOnDivision
		otherDivision = p_map -> getRandomDivision(false);
		while (auxList.find(otherDivision) != auxList.end()) otherDivision = p_map -> getRandomDivision(false);
		if (i == p_position) i++;
		if (i < 4 && nextBoxAskerQuestionHook(otherDivision, i, false)) i++;
		auxList << otherDivision;
	}
}

void boxAsker::checkAnswer()
{
	bool any, correct;
	int i;

	correct = false;	
	any = false;
	i = 0;
	while(!any && i < 4)
	{
		if (p_rb[i] -> isChecked())
		{
			any = true;
			correct = (i == p_position);
		}
		else i++;
	}
		
	if (any)
	{
		setAnswerHook(i);
		questionAnswered(correct);
		nextQuestion();
	}
}

void boxAsker::init()
{
	p_accept -> setText(i18n("&Accept"));

	resetAnswers();
	clearAsked();
	nextQuestion();
	
	p_accept -> disconnect();
	connect(p_accept, TQT_SIGNAL(clicked()), this, TQT_SLOT(checkAnswer()));
}

#include "boxasker.moc"