1 files changed, 129 insertions, 0 deletions
diff --git a/tutorial/t13/gamebrd.cpp b/tutorial/t13/gamebrd.cpp
new file mode 100644
index 0000000..ffb3228
--- /dev/null
+++ b/tutorial/t13/gamebrd.cpp
@@ -0,0 +1,129 @@
+/****************************************************************
+**
+** Implementation of GameBoard class, Qt tutorial 13
+**
+****************************************************************/
+
+#include "gamebrd.h"
+
+#include <qfont.h>
+#include <qapplication.h>
+#include <qlabel.h>
+#include <qpushbutton.h>
+#include <qlcdnumber.h>
+#include <qlayout.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 );
+
+    cannonField = new CannonField( this, "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" );
+
+    QGridLayout *grid = new QGridLayout( this, 2, 2, 10 );
+    grid->addWidget( quit, 0, 0 );
+    grid->addWidget( cannonField, 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();
+}