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/****************************************************************
**
** Implementation of GameBoard class, Qt tutorial 14
**
****************************************************************/
#include "gamebrd.h"
#include <qfont.h>
#include <qapplication.h>
#include <qlabel.h>
#include <qaccel.h>
#include <qpushbutton.h>
#include <qlcdnumber.h>
#include <qlayout.h>
#include <qvbox.h>
#include "lcdrange.h"
#include "cannon.h"
GameBoard::GameBoard( QWidget *parent, const char *name )
: QWidget( parent, name )
{
QPushButton *quit = new QPushButton( "&Quit", this, "quit" );
quit->setFont( QFont( "Times", 18, QFont::Bold ) );
connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) );
LCDRange *angle = new LCDRange( "ANGLE", this, "angle" );
angle->setRange( 5, 70 );
LCDRange *force = new LCDRange( "FORCE", this, "force" );
force->setRange( 10, 50 );
QVBox *box = new QVBox( this, "cannonFrame" );
box->setFrameStyle( QFrame::WinPanel | QFrame::Sunken );
cannonField = new CannonField( box, "cannonField" );
connect( angle, SIGNAL(valueChanged(int)),
cannonField, SLOT(setAngle(int)) );
connect( cannonField, SIGNAL(angleChanged(int)),
angle, SLOT(setValue(int)) );
connect( force, SIGNAL(valueChanged(int)),
cannonField, SLOT(setForce(int)) );
connect( cannonField, SIGNAL(forceChanged(int)),
force, SLOT(setValue(int)) );
connect( cannonField, SIGNAL(hit()),
this, SLOT(hit()) );
connect( cannonField, SIGNAL(missed()),
this, SLOT(missed()) );
QPushButton *shoot = new QPushButton( "&Shoot", this, "shoot" );
shoot->setFont( QFont( "Times", 18, QFont::Bold ) );
connect( shoot, SIGNAL(clicked()), SLOT(fire()) );
connect( cannonField, SIGNAL(canShoot(bool)),
shoot, SLOT(setEnabled(bool)) );
QPushButton *restart
= new QPushButton( "&New Game", this, "newgame" );
restart->setFont( QFont( "Times", 18, QFont::Bold ) );
connect( restart, SIGNAL(clicked()), this, SLOT(newGame()) );
hits = new QLCDNumber( 2, this, "hits" );
shotsLeft = new QLCDNumber( 2, this, "shotsleft" );
QLabel *hitsL = new QLabel( "HITS", this, "hitsLabel" );
QLabel *shotsLeftL
= new QLabel( "SHOTS LEFT", this, "shotsleftLabel" );
QAccel *accel = new QAccel( this );
accel->connectItem( accel->insertItem( Key_Enter ),
this, SLOT(fire()) );
accel->connectItem( accel->insertItem( Key_Return ),
this, SLOT(fire()) );
accel->connectItem( accel->insertItem( CTRL+Key_Q ),
qApp, SLOT(quit()) );
QGridLayout *grid = new QGridLayout( this, 2, 2, 10 );
grid->addWidget( quit, 0, 0 );
grid->addWidget( box, 1, 1 );
grid->setColStretch( 1, 10 );
QVBoxLayout *leftBox = new QVBoxLayout;
grid->addLayout( leftBox, 1, 0 );
leftBox->addWidget( angle );
leftBox->addWidget( force );
QHBoxLayout *topBox = new QHBoxLayout;
grid->addLayout( topBox, 0, 1 );
topBox->addWidget( shoot );
topBox->addWidget( hits );
topBox->addWidget( hitsL );
topBox->addWidget( shotsLeft );
topBox->addWidget( shotsLeftL );
topBox->addStretch( 1 );
topBox->addWidget( restart );
angle->setValue( 60 );
force->setValue( 25 );
angle->setFocus();
newGame();
}
void GameBoard::fire()
{
if ( cannonField->gameOver() || cannonField->isShooting() )
return;
shotsLeft->display( shotsLeft->intValue() - 1 );
cannonField->shoot();
}
void GameBoard::hit()
{
hits->display( hits->intValue() + 1 );
if ( shotsLeft->intValue() == 0 )
cannonField->setGameOver();
else
cannonField->newTarget();
}
void GameBoard::missed()
{
if ( shotsLeft->intValue() == 0 )
cannonField->setGameOver();
}
void GameBoard::newGame()
{
shotsLeft->display( 15 );
hits->display( 0 );
cannonField->restartGame();
cannonField->newTarget();
}
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