Source code for tutorial 14: gamebrd.cpp
/****************************************************************
**
** Implementation of GameBoard class, Qt tutorial 14
**
****************************************************************/
#include "gamebrd.h"
#include <qfont.h>
#include <qapp.h>
#include <qlabel.h>
#include <qaccel.h>
#include <qpushbt.h>
#include <qlcdnum.h>
#include "lcdrange.h"
#include "cannon.h"
GameBoard::GameBoard( QWidget *parent, const char *name )
: QWidget( parent, name )
{
setMinimumSize( 500, 355 );
quit = new QPushButton( "Quit", this, "quit" );
quit->setFont( QFont( "Times", 18, QFont::Bold ) );
connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) );
angle = new LCDRange( "ANGLE", this, "angle" );
angle->setRange( 5, 70 );
force = new LCDRange( "FORCE", this, "force" );
force->setRange( 10, 50 );
frame = new QFrame( this, "cannonFrame" );
frame->setFrameStyle( QFrame::WinPanel | QFrame::Sunken );
cannonField = new CannonField( this, "cannonField" );
cannonField->setBackgroundColor( QColor( 250, 250, 200) );
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()),SLOT(hit()) );
connect( cannonField, SIGNAL(missed()),SLOT(missed()) );
angle->setValue( 60 );
force->setValue( 25 );
shoot = new QPushButton( "Shoot", this, "shoot" );
shoot->setFont( QFont( "Times", 18, QFont::Bold ) );
connect( shoot, SIGNAL(clicked()), SLOT(fire()) );
restart = new QPushButton( "New Game", this, "newgame" );
restart->setFont( QFont( "Times", 18, QFont::Bold ) );
connect( restart, SIGNAL(clicked()), 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_Space), this, SLOT(fire()) );
accel->connectItem( accel->insertItem( Key_Q), qApp, SLOT(quit()) );
quit->setGeometry( 10, 10, 75, 30 );
angle->setGeometry( 10, quit->y() + quit->height() + 10, 75, 130 );
force->setGeometry( 10, angle->y() + angle->height() + 10, 75, 130 );
frame->move( angle->x() + angle->width() + 10, angle->y() );
cannonField->move( frame->x() + 2, frame->y() + 2 );
shoot->setGeometry( 10, 315, 75, 30 );
restart->setGeometry( 380, 10, 110, 30 );
hits->setGeometry( 130, 10, 40, 30 );
hitsL->setGeometry( hits->x() + hits->width() + 5, 10, 60, 30 );
shotsLeft->setGeometry( 240, 10, 40, 30 );
shotsLeftL->setGeometry( shotsLeft->x()+shotsLeft->width()+5, 10, 60, 30 );
newGame();
}
void GameBoard::resizeEvent( QResizeEvent * )
{
frame->resize( width() - frame->x() - 10,
height() - frame->y() - 10 );
cannonField->resize( frame->width() - 4, frame->height() - 4 );
}
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();
}
Generated at 17:29, 1997/04/07 for Qt version 1.2 by the webmaster at Troll Tech