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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();
- }
-