<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/doc/tutorial.doc:2029 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>t13/gamebrd.cpp Example File</title> <style type="text/css"><!-- fn { margin-left: 1cm; text-indent: -1cm; } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } body { background: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>t13/gamebrd.cpp Example File</h1> <pre>/**************************************************************** ** ** Implementation of GameBoard class, TQt tutorial 13 ** ****************************************************************/ #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="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 "lcdrange.h" #include "cannon.h" <a name="f109"></a>GameBoard::GameBoard( <a href="ntqwidget.html">TQWidget</a> *parent, const char *name ) : <a href="ntqwidget.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="ntqwidget.html#setFont">setFont</a>( TQFont( "Times", 18, TQFont::Bold ) ); <a href="ntqobject.html#connect">connect</a>( quit, SIGNAL(<a href="ntqbutton.html#clicked">clicked</a>()), tqApp, 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 ); cannonField = new CannonField( this, "cannonField" ); <a href="ntqobject.html#connect">connect</a>( angle, SIGNAL(valueChanged(int)), cannonField, SLOT(setAngle(int)) ); <a href="ntqobject.html#connect">connect</a>( cannonField, SIGNAL(angleChanged(int)), angle, SLOT(setValue(int)) ); <a href="ntqobject.html#connect">connect</a>( force, SIGNAL(valueChanged(int)), cannonField, SLOT(setForce(int)) ); <a href="ntqobject.html#connect">connect</a>( cannonField, SIGNAL(forceChanged(int)), force, SLOT(setValue(int)) ); <a href="ntqobject.html#connect">connect</a>( cannonField, SIGNAL(hit()), this, SLOT(hit()) ); <a href="ntqobject.html#connect">connect</a>( cannonField, SIGNAL(missed()), this, SLOT(missed()) ); <a href="ntqpushbutton.html">TQPushButton</a> *shoot = new <a href="ntqpushbutton.html">TQPushButton</a>( "&Shoot", this, "shoot" ); shoot-><a href="ntqwidget.html#setFont">setFont</a>( TQFont( "Times", 18, TQFont::Bold ) ); <a href="ntqobject.html#connect">connect</a>( shoot, SIGNAL(<a href="ntqbutton.html#clicked">clicked</a>()), SLOT(fire()) ); <a href="ntqobject.html#connect">connect</a>( cannonField, SIGNAL(canShoot(bool)), shoot, SLOT(<a href="ntqwidget.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="ntqobject.html#connect">connect</a>( restart, SIGNAL(clicked()), this, 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="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>( cannonField, 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="ntqwidget.html#setFocus">setFocus</a>(); newGame(); } void <a name="f110"></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="f111"></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="f112"></a>GameBoard::missed() { if ( shotsLeft-><a href="ntqlcdnumber.html#intValue">intValue</a>() == 0 ) cannonField->setGameOver(); } void <a name="f113"></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(); } </pre><!-- eof --> <p><address><hr><div align=center> <table width=100% cellspacing=0 border=0><tr> <td>Copyright © 2007 <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> <td align=right><div align=right>TQt 3.3.8</div> </table></div></address></body> </html>