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/*************************************************************************** |
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* Copyright (C) 2005 by Torben Nielsen * |
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* torben@t-hoerup.dk * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the * |
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* Free Software Foundation, Inc., * |
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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***************************************************************************/ |
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#include <qapplication.h> |
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#include <qlabel.h> |
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#include <qlayout.h> |
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#include <qlistbox.h> |
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#include <qpopupmenu.h> |
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#include <qpushbutton.h> |
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#include <qspinbox.h> |
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#include <qstring.h> |
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|
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|
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#include "queensmain.h" |
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#include "board.h" |
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#include "queens.h" |
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#include "solutionvector.h" |
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#include "solutionlist.h" |
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#include "solutionhash.h" |
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#include "solutionmnvector.h" |
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|
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#include "config.h" |
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|
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QueensMain::QueensMain(QWidget *parent, const char *name) |
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: QDialog(parent, name) |
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{ |
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QVBoxLayout *mainlayout = new QVBoxLayout( this ); |
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|
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m_board = new Board( this ); |
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|
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m_start = new QPushButton("Start", this); |
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m_quit = new QPushButton("Quit", this); |
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m_stop = new QPushButton("Stop", this); |
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m_stop->setEnabled( false ); |
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|
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QHBoxLayout *upperlayout = new QHBoxLayout( mainlayout ); |
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QVBoxLayout *left = new QVBoxLayout( upperlayout ); |
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|
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upperlayout->add( m_board ); |
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m_list = new QListBox( this ); |
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|
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m_list->setMinimumWidth( 180 ); |
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m_sizeSelector = new QSpinBox( this ); |
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m_status = new QLabel( this ); |
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|
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left->add( m_list ); |
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left->add( m_sizeSelector ); |
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|
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QHBoxLayout *buttons = new QHBoxLayout( mainlayout ); |
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buttons->add( m_start ); |
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buttons->add( m_stop ); |
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buttons->add( m_quit ); |
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|
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mainlayout->add( m_status ); |
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|
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m_sizeSelector->setMinValue( MIN_SIZE ); |
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m_sizeSelector->setMaxValue( MAX_SIZE ); |
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m_sizeSelector->setValue( 8 ); |
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m_board->setSize( 8 ); |
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|
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m_sortalgo = SortList; |
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m_solutions = NULL; |
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m_queens = NULL; |
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|
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connect(m_quit, |
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SIGNAL( clicked() ), |
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qApp, |
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SLOT( quit() ) |
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); |
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|
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connect(m_sizeSelector, |
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SIGNAL( valueChanged(int) ), |
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this, |
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SLOT( resize(int) ) |
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); |
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|
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connect(m_start, |
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SIGNAL( clicked() ), |
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this, |
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SLOT( start() ) |
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); |
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|
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connect(m_stop, |
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SIGNAL( clicked() ), |
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this, |
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SLOT( stop() ) |
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); |
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|
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connect(m_list, |
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SIGNAL( selectionChanged() ), |
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this, |
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SLOT( showSolution() ) |
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); |
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|
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connect( qApp, |
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SIGNAL( lastWindowClosed() ), |
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qApp, |
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SLOT( quit() ) |
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); |
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} |
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|
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|
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QueensMain::~QueensMain() |
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{ |
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delete m_board; |
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} |
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|
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void QueensMain::start() |
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{ |
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m_sizeSelector->setEnabled( false ); |
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m_start->setEnabled( false ); |
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m_stop->setEnabled( true ); |
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m_list->clear(); |
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m_status->setText( QString("Searching ...") ); |
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|
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if (m_queens != NULL) { |
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m_queens->wait(); |
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delete m_queens; |
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} |
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|
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if (m_solutions != NULL) |
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delete m_solutions; |
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switch (m_sortalgo) { |
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case SortList: |
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m_solutions = new SolutionList(this); |
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break; |
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case SortVector: |
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m_solutions = new SolutionVector(this); |
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break; |
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case SortHash: |
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m_solutions = new SolutionHash(this); |
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break; |
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case SortMNVector: |
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m_solutions = new SolutionMNVector(this); |
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break; |
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} |
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|
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m_elapsed.start(); |
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m_time.start(); |
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m_queens = new Queens(this, m_solutions, m_sizeSelector->value() ,false); |
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m_queens->start(); |
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} |
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|
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void QueensMain::stop() |
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{ |
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m_solutions->halt(); |
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m_queens->stop(); |
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m_queens->wait(); |
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|
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int num = m_solutions->numSolutions(); |
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m_status->setText( QString("Aborted. Found ") + QString::number(num,10).append(" solutions") ); |
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m_list->clear(); |
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for (int i=1; i<=num; i++) |
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m_list->insertItem( QString("Solution no ") + QString::number(i,10), i); |
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|
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delete m_queens; |
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m_queens = NULL; |
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|
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m_list->setEnabled( true ); |
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m_sizeSelector->setEnabled( true ); |
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m_start->setEnabled( true ); |
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m_stop->setEnabled( false ); |
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} |
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|
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void QueensMain::foundSolution() |
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{ |
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int num = m_solutions->numSolutions(); |
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if (m_elapsed.elapsed() > 500) |
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{ |
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m_status->setText( QString("Searching ... found ") + QString::number(num,10).append(" solutions") ); |
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m_elapsed.restart(); |
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} |
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} |
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|
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void QueensMain::finishedSearch() |
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{ |
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uniqueSolutions(); |
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m_sizeSelector->setEnabled( true ); |
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m_start->setEnabled( true ); |
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m_stop->setEnabled( false ); |
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} |
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|
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|
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void QueensMain::showSolution() |
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{ |
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int index = m_list->currentItem(); |
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Solution sol = m_solutions->solution( index ); |
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m_board->setMatrix( sol ); |
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} |
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|
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void QueensMain::resize(int size) |
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{ |
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m_board->setSize( size ); |
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m_board->repaint( true ); |
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m_list->clear(); |
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} |
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|
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QString QueensMain::elapsed() |
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{ |
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int time = m_time.elapsed(); |
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int msec = time % 1000; |
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int sec = time / 1000; |
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int min = sec / 60; |
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sec %= 60; |
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QString smsec = (QString::number(msec)).rightJustify(3, '0'); |
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QString ssec = (QString::number(sec)).rightJustify(2,'0'); |
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|
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QString res; |
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if (min!=0) |
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res = QString("%1:%2.%3").arg(min).arg(ssec).arg(smsec); |
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else |
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res = QString("%1.%2").arg(sec).arg(smsec); |
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return res; |
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} |
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|
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void QueensMain::uniqueSolutions() |
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{ |
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m_totalcount = m_solutions->numSolutions(); |
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m_status->setText( QString("sorting ") + QString::number(m_totalcount,10).append(" solutions...") ); |
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|
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m_elapsed.restart(); |
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m_solutions->uniqueSolutions(); |
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|
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int uniq = m_solutions->numSolutions(); |
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|
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|
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QString msg; |
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msg = QString( "Found %1 unique solutions, of %2 total solutions. Time elapsed: %3" ).arg(uniq).arg(m_totalcount).arg( elapsed() ); |
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|
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m_list->clear(); |
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for (int i=1; i<=uniq; i++) |
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m_list->insertItem( QString("Unique solution no ") + QString::number(i,10), i); |
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|
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m_status->setText( msg ); |
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} |
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|
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void QueensMain::contextMenuEvent( QContextMenuEvent *event) |
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{ |
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QPopupMenu *contextMenu = new QPopupMenu( this ); |
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contextMenu->setCheckable( true ); |
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QLabel *caption = new QLabel("<b><i>Sort algorithm</i></b>", this); |
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caption->setAlignment( Qt::AlignCenter ); |
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contextMenu->insertItem( caption ); |
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|
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contextMenu->insertItem("List", this, SLOT( sortList() ), 0, 1); |
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contextMenu->insertItem("Vector", this, SLOT( sortVector() ), 0, 2); |
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contextMenu->insertItem("Hash", this, SLOT( sortHash() ), 0, 3); |
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contextMenu->insertItem("M*N Vector", this, SLOT(sortMNVector()), 0, 4); |
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|
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switch (m_sortalgo) { |
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case SortList: |
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contextMenu->setItemChecked( 1, true); |
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break; |
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case SortVector: |
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contextMenu->setItemChecked( 2, true); |
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break; |
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case SortHash: |
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contextMenu->setItemChecked( 3, true); |
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break; |
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case SortMNVector: |
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contextMenu->setItemChecked( 4, true); |
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break; |
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} |
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|
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contextMenu->exec( event->globalPos() ); |
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delete contextMenu; |
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} |
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|
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void QueensMain::duplicateRemoved() |
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{ |
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if (m_elapsed.elapsed() > 500) |
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{ |
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int uniq = m_solutions->getUniqueRemoved(); |
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QString status; |
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status = QString ("Sorting %1 solutions. So far identified %2 duplicates").arg(m_totalcount).arg(uniq); |
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m_status->setText(status); |
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m_elapsed.restart(); |
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} |
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} |
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|
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void QueensMain::sortList() |
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{ |
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m_sortalgo = SortList; |
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} |
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|
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void QueensMain::sortVector() |
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{ |
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m_sortalgo = SortVector; |
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} |
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|
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void QueensMain::sortHash() |
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{ |
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m_sortalgo = SortHash; |
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} |
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|
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void QueensMain::sortMNVector() |
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{ |
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m_sortalgo = SortMNVector; |
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} |
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