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<title>t14/gamebrd.cpp Example File</title>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>t14/gamebrd.cpp Example File</h1>
<pre>/****************************************************************
**
** Implementation of GameBoard class, TQt tutorial 14
**
****************************************************************/
#include "gamebrd.h"
#include <<a href="qfont-h.html">ntqfont.h</a>>
#include <<a href="qapplication-h.html">ntqapplication.h</a>>
#include <<a href="qlabel-h.html">ntqlabel.h</a>>
#include <<a href="qaccel-h.html">ntqaccel.h</a>>
#include <<a href="qpushbutton-h.html">ntqpushbutton.h</a>>
#include <<a href="qlcdnumber-h.html">ntqlcdnumber.h</a>>
#include <<a href="qlayout-h.html">ntqlayout.h</a>>
#include <<a href="qvbox-h.html">ntqvbox.h</a>>
#include "lcdrange.h"
#include "cannon.h"
<a name="f139"></a>GameBoard::GameBoard( <a href="tqwidget.html">TQWidget</a> *parent, const char *name )
: <a href="tqwidget.html">TQWidget</a>( parent, name )
{
<a href="ntqpushbutton.html">TQPushButton</a> *quit = new <a href="ntqpushbutton.html">TQPushButton</a>( "&Quit", this, "quit" );
quit-><a href="tqwidget.html#setFont">setFont</a>( TQFont( "Times", 18, TQFont::Bold ) );
<a href="tqobject.html#connect">connect</a>( quit, TQ_SIGNAL(<a href="ntqbutton.html#clicked">clicked</a>()), tqApp, TQ_SLOT(<a href="ntqapplication.html#quit">quit</a>()) );
LCDRange *angle = new LCDRange( "ANGLE", this, "angle" );
angle->setRange( 5, 70 );
LCDRange *force = new LCDRange( "FORCE", this, "force" );
force->setRange( 10, 50 );
<a href="ntqvbox.html">TQVBox</a> *box = new <a href="ntqvbox.html">TQVBox</a>( this, "cannonFrame" );
box-><a href="ntqframe.html#setFrameStyle">setFrameStyle</a>( TQFrame::WinPanel | TQFrame::Sunken );
cannonField = new CannonField( box, "cannonField" );
<a href="tqobject.html#connect">connect</a>( angle, TQ_SIGNAL(valueChanged(int)),
cannonField, TQ_SLOT(setAngle(int)) );
<a href="tqobject.html#connect">connect</a>( cannonField, TQ_SIGNAL(angleChanged(int)),
angle, TQ_SLOT(setValue(int)) );
<a href="tqobject.html#connect">connect</a>( force, TQ_SIGNAL(valueChanged(int)),
cannonField, TQ_SLOT(setForce(int)) );
<a href="tqobject.html#connect">connect</a>( cannonField, TQ_SIGNAL(forceChanged(int)),
force, TQ_SLOT(setValue(int)) );
<a href="tqobject.html#connect">connect</a>( cannonField, TQ_SIGNAL(hit()),
this, TQ_SLOT(hit()) );
<a href="tqobject.html#connect">connect</a>( cannonField, TQ_SIGNAL(missed()),
this, TQ_SLOT(missed()) );
<a href="ntqpushbutton.html">TQPushButton</a> *shoot = new <a href="ntqpushbutton.html">TQPushButton</a>( "&Shoot", this, "shoot" );
shoot-><a href="tqwidget.html#setFont">setFont</a>( TQFont( "Times", 18, TQFont::Bold ) );
<a href="tqobject.html#connect">connect</a>( shoot, TQ_SIGNAL(<a href="ntqbutton.html#clicked">clicked</a>()), TQ_SLOT(fire()) );
<a href="tqobject.html#connect">connect</a>( cannonField, TQ_SIGNAL(canShoot(bool)),
shoot, TQ_SLOT(<a href="tqwidget.html#setEnabled">setEnabled</a>(bool)) );
TQPushButton *restart
= new <a href="ntqpushbutton.html">TQPushButton</a>( "&New Game", this, "newgame" );
restart->setFont( TQFont( "Times", 18, TQFont::Bold ) );
<a href="tqobject.html#connect">connect</a>( restart, TQ_SIGNAL(clicked()), this, TQ_SLOT(newGame()) );
hits = new <a href="ntqlcdnumber.html">TQLCDNumber</a>( 2, this, "hits" );
shotsLeft = new <a href="ntqlcdnumber.html">TQLCDNumber</a>( 2, this, "shotsleft" );
<a href="ntqlabel.html">TQLabel</a> *hitsL = new <a href="ntqlabel.html">TQLabel</a>( "HITS", this, "hitsLabel" );
TQLabel *shotsLeftL
= new <a href="ntqlabel.html">TQLabel</a>( "SHOTS LEFT", this, "shotsleftLabel" );
<a href="ntqaccel.html">TQAccel</a> *accel = new <a href="ntqaccel.html">TQAccel</a>( this );
accel-><a href="ntqaccel.html#connectItem">connectItem</a>( accel-><a href="ntqaccel.html#insertItem">insertItem</a>( Key_Enter ),
this, TQ_SLOT(fire()) );
accel-><a href="ntqaccel.html#connectItem">connectItem</a>( accel-><a href="ntqaccel.html#insertItem">insertItem</a>( Key_Return ),
this, TQ_SLOT(fire()) );
accel-><a href="ntqaccel.html#connectItem">connectItem</a>( accel-><a href="ntqaccel.html#insertItem">insertItem</a>( CTRL+Key_Q ),
tqApp, TQ_SLOT(<a href="ntqapplication.html#quit">quit</a>()) );
<a href="qgridlayout.html">TQGridLayout</a> *grid = new <a href="qgridlayout.html">TQGridLayout</a>( this, 2, 2, 10 );
grid-><a href="qgridlayout.html#addWidget">addWidget</a>( quit, 0, 0 );
grid-><a href="qgridlayout.html#addWidget">addWidget</a>( box, 1, 1 );
grid-><a href="qgridlayout.html#setColStretch">setColStretch</a>( 1, 10 );
<a href="qvboxlayout.html">TQVBoxLayout</a> *leftBox = new <a href="qvboxlayout.html">TQVBoxLayout</a>;
grid-><a href="qgridlayout.html#addLayout">addLayout</a>( leftBox, 1, 0 );
leftBox-><a href="qboxlayout.html#addWidget">addWidget</a>( angle );
leftBox-><a href="qboxlayout.html#addWidget">addWidget</a>( force );
<a href="qhboxlayout.html">TQHBoxLayout</a> *topBox = new <a href="qhboxlayout.html">TQHBoxLayout</a>;
grid-><a href="qgridlayout.html#addLayout">addLayout</a>( topBox, 0, 1 );
topBox-><a href="qboxlayout.html#addWidget">addWidget</a>( shoot );
topBox-><a href="qboxlayout.html#addWidget">addWidget</a>( hits );
topBox-><a href="qboxlayout.html#addWidget">addWidget</a>( hitsL );
topBox-><a href="qboxlayout.html#addWidget">addWidget</a>( shotsLeft );
topBox-><a href="qboxlayout.html#addWidget">addWidget</a>( shotsLeftL );
topBox-><a href="qboxlayout.html#addStretch">addStretch</a>( 1 );
topBox-><a href="qboxlayout.html#addWidget">addWidget</a>( restart );
angle->setValue( 60 );
force->setValue( 25 );
angle-><a href="tqwidget.html#setFocus">setFocus</a>();
newGame();
}
void <a name="f140"></a>GameBoard::fire()
{
if ( cannonField->gameOver() || cannonField->isShooting() )
return;
shotsLeft-><a href="ntqlcdnumber.html#display">display</a>( shotsLeft-><a href="ntqlcdnumber.html#intValue">intValue</a>() - 1 );
cannonField->shoot();
}
void <a name="f141"></a>GameBoard::hit()
{
hits-><a href="ntqlcdnumber.html#display">display</a>( hits-><a href="ntqlcdnumber.html#intValue">intValue</a>() + 1 );
if ( shotsLeft-><a href="ntqlcdnumber.html#intValue">intValue</a>() == 0 )
cannonField->setGameOver();
else
cannonField->newTarget();
}
void <a name="f142"></a>GameBoard::missed()
{
if ( shotsLeft-><a href="ntqlcdnumber.html#intValue">intValue</a>() == 0 )
cannonField->setGameOver();
}
void <a name="f143"></a>GameBoard::newGame()
{
shotsLeft-><a href="ntqlcdnumber.html#display">display</a>( 15 );
hits-><a href="ntqlcdnumber.html#display">display</a>( 0 );
cannonField->restartGame();
cannonField->newTarget();
}
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