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Viewing changes to examples/tutorial/t14/gameboard.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Adam Conrad
  • Date: 2005-08-24 04:09:09 UTC
  • Revision ID: james.westby@ubuntu.com-20050824040909-xmxe9jfr4a0w5671
Tags: upstream-4.0.0
Import upstream version 4.0.0

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examples/tutorial/t14/gameboard.cpp
 
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/****************************************************************************
 
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**
 
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** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
 
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**
 
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** This file is part of the example classes of the Qt Toolkit.
 
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**
 
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** This file may be distributed under the terms of the Q Public License
 
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** as defined by Trolltech AS of Norway and appearing in the file
 
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** LICENSE.QPL included in the packaging of this file.
 
10
**
 
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** This file may be distributed and/or modified under the terms of the
 
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** GNU General Public License version 2 as published by the Free Software
 
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** Foundation and appearing in the file LICENSE.GPL included in the
 
14
** packaging of this file.
 
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**
 
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** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
 
17
**   information about Qt Commercial License Agreements.
 
18
** See http://www.trolltech.com/qpl/ for QPL licensing information.
 
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** See http://www.trolltech.com/gpl/ for GPL licensing information.
 
20
**
 
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** Contact info@trolltech.com if any conditions of this licensing are
 
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** not clear to you.
 
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**
 
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 
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**
 
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****************************************************************************/
 
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/****************************************************************
 
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**
 
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** Implementation of GameBoard class, Qt tutorial 14
 
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**
 
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****************************************************************/
 
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#include <QApplication>
 
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#include <QFont>
 
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#include <QGridLayout>
 
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#include <QHBoxLayout>
 
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#include <QLCDNumber>
 
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#include <QLabel>
 
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#include <QPushButton>
 
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#include <QShortcut>
 
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#include <QVBoxLayout>
 
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#include <QWidget>
 
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#include "cannonfield.h"
 
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#include "gameboard.h"
 
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#include "lcdrange.h"
 
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GameBoard::GameBoard(QWidget *parent)
 
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    : QWidget(parent)
 
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{
 
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    QPushButton *quit = new QPushButton("&Quit");
 
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    quit->setFont(QFont("Times", 18, QFont::Bold));
 
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    connect(quit, SIGNAL(clicked()), qApp, SLOT(quit()));
 
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    LCDRange *angle = new LCDRange("ANGLE");
 
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    angle->setRange(5, 70);
 
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    LCDRange *force = new LCDRange("FORCE");
 
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    force->setRange(10, 50);
 
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    QFrame *cannonBox = new QFrame;
 
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    cannonBox->setFrameStyle(QFrame::WinPanel | QFrame::Sunken);
 
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    cannonField = new CannonField;
 
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    connect(angle, SIGNAL(valueChanged(int)),
 
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            cannonField, SLOT(setAngle(int)));
 
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    connect(cannonField, SIGNAL(angleChanged(int)),
 
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            angle, SLOT(setValue(int)));
 
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    connect(force, SIGNAL(valueChanged(int)),
 
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            cannonField, SLOT(setForce(int)));
 
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    connect(cannonField, SIGNAL(forceChanged(int)),
 
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            force, SLOT(setValue(int)));
 
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    connect(cannonField, SIGNAL(hit()),
 
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            this, SLOT(hit()));
 
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    connect(cannonField, SIGNAL(missed()),
 
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            this, SLOT(missed()));
 
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    QPushButton *shoot = new QPushButton("&Shoot");
 
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    shoot->setFont(QFont("Times", 18, QFont::Bold));
 
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    connect(shoot, SIGNAL(clicked()),
 
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            this, SLOT(fire()));
 
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    connect(cannonField, SIGNAL(canShoot(bool)),
 
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            shoot, SLOT(setEnabled(bool)));
 
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    QPushButton *restart = new QPushButton("&New Game");
 
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    restart->setFont(QFont("Times", 18, QFont::Bold));
 
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    connect(restart, SIGNAL(clicked()), this, SLOT(newGame()));
 
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    hits = new QLCDNumber(2);
 
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    shotsLeft = new QLCDNumber(2);
 
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    QLabel *hitsLabel = new QLabel("HITS");
 
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    QLabel *shotsLeftLabel = new QLabel("SHOTS LEFT");
 
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    (void) new QShortcut(Qt::Key_Enter, this, SLOT(fire()));
 
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    (void) new QShortcut(Qt::Key_Return, this, SLOT(fire()));
 
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    (void) new QShortcut(Qt::CTRL + Qt::Key_Q, this, SLOT(close()));
 
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    QHBoxLayout *topLayout = new QHBoxLayout;
 
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    topLayout->addWidget(shoot);
 
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    topLayout->addWidget(hits);
 
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    topLayout->addWidget(hitsLabel);
 
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    topLayout->addWidget(shotsLeft);
 
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    topLayout->addWidget(shotsLeftLabel);
 
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    topLayout->addStretch(1);
 
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    topLayout->addWidget(restart);
 
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    QVBoxLayout *leftLayout = new QVBoxLayout;
 
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    leftLayout->addWidget(angle);
 
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    leftLayout->addWidget(force);
 
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    QVBoxLayout *cannonLayout = new QVBoxLayout;
 
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    cannonLayout->addWidget(cannonField);
 
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    cannonBox->setLayout(cannonLayout);
 
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    QGridLayout *gridLayout = new QGridLayout;
 
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    gridLayout->addWidget(quit, 0, 0);
 
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    gridLayout->addLayout(topLayout, 0, 1);
 
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    gridLayout->addLayout(leftLayout, 1, 0);
 
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    gridLayout->addWidget(cannonBox, 1, 1, 2, 1);
 
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    gridLayout->setColumnStretch(1, 10);
 
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    setLayout(gridLayout);
 
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    angle->setValue(60);
 
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    force->setValue(25);
 
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    angle->setFocus();
 
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    newGame();
 
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}
 
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void GameBoard::fire()
 
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{
 
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    if (cannonField->gameOver() || cannonField->isShooting())
 
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        return;
 
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    shotsLeft->display(shotsLeft->intValue() - 1);
 
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    cannonField->shoot();
 
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}
 
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void GameBoard::hit()
 
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{
 
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    hits->display(hits->intValue() + 1);
 
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    if (shotsLeft->intValue() == 0)
 
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        cannonField->setGameOver();
 
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    else
 
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        cannonField->newTarget();
 
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}
 
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void GameBoard::missed()
 
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{
 
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    if (shotsLeft->intValue() == 0)
 
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        cannonField->setGameOver();
 
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}
 
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void GameBoard::newGame()
 
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{
 
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    shotsLeft->display(15);
 
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    hits->display(0);
 
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    cannonField->restartGame();
 
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    cannonField->newTarget();
 
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}