t14-gamebrd-cpp.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/doc/tutorial.doc:2378 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>t14/gamebrd.cpp Example File</title><style type="text/css"><!--h3.fn,span.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>t14/gamebrd.cpp Example File</h1> <pre>/******************************************************************** Implementation of GameBoard class, Qt tutorial 14******************************************************************/#include "gamebrd.h"#include <<a href="qfont-h.html">qfont.h</a>>#include <<a href="qapplication-h.html">qapplication.h</a>>#include <<a href="qlabel-h.html">qlabel.h</a>>#include <<a href="qaccel-h.html">qaccel.h</a>>#include <<a href="qpushbutton-h.html">qpushbutton.h</a>>#include <<a href="qlcdnumber-h.html">qlcdnumber.h</a>>#include <<a href="qlayout-h.html">qlayout.h</a>>#include <<a href="qvbox-h.html">qvbox.h</a>>#include "lcdrange.h"#include "cannon.h"<a name="f139"></a>GameBoard::GameBoard( <a href="qwidget.html">QWidget</a> *parent, const char *name ) : <a href="qwidget.html">QWidget</a>( parent, name ){ <a href="qpushbutton.html">QPushButton</a> *quit = new <a href="qpushbutton.html">QPushButton</a>( "&Quit", this, "quit" ); quit-><a href="qwidget.html#setFont">setFont</a>( QFont( "Times", 18, QFont::Bold ) ); <a href="qobject.html#connect">connect</a>( quit, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), qApp, SLOT(<a href="qapplication.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="qvbox.html">QVBox</a> *box = new <a href="qvbox.html">QVBox</a>( this, "cannonFrame" ); box-><a href="qframe.html#setFrameStyle">setFrameStyle</a>( QFrame::WinPanel | QFrame::Sunken ); cannonField = new CannonField( box, "cannonField" ); <a href="qobject.html#connect">connect</a>( angle, SIGNAL(valueChanged(int)), cannonField, SLOT(setAngle(int)) ); <a href="qobject.html#connect">connect</a>( cannonField, SIGNAL(angleChanged(int)), angle, SLOT(setValue(int)) ); <a href="qobject.html#connect">connect</a>( force, SIGNAL(valueChanged(int)), cannonField, SLOT(setForce(int)) ); <a href="qobject.html#connect">connect</a>( cannonField, SIGNAL(forceChanged(int)), force, SLOT(setValue(int)) ); <a href="qobject.html#connect">connect</a>( cannonField, SIGNAL(hit()), this, SLOT(hit()) ); <a href="qobject.html#connect">connect</a>( cannonField, SIGNAL(missed()), this, SLOT(missed()) ); <a href="qpushbutton.html">QPushButton</a> *shoot = new <a href="qpushbutton.html">QPushButton</a>( "&Shoot", this, "shoot" ); shoot-><a href="qwidget.html#setFont">setFont</a>( QFont( "Times", 18, QFont::Bold ) ); <a href="qobject.html#connect">connect</a>( shoot, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), SLOT(fire()) ); <a href="qobject.html#connect">connect</a>( cannonField, SIGNAL(canShoot(bool)), shoot, SLOT(<a href="qwidget.html#setEnabled">setEnabled</a>(bool)) ); QPushButton *restart = new <a href="qpushbutton.html">QPushButton</a>( "&New Game", this, "newgame" ); restart->setFont( QFont( "Times", 18, QFont::Bold ) ); <a href="qobject.html#connect">connect</a>( restart, SIGNAL(clicked()), this, SLOT(newGame()) ); hits = new <a href="qlcdnumber.html">QLCDNumber</a>( 2, this, "hits" ); shotsLeft = new <a href="qlcdnumber.html">QLCDNumber</a>( 2, this, "shotsleft" ); <a href="qlabel.html">QLabel</a> *hitsL = new <a href="qlabel.html">QLabel</a>( "HITS", this, "hitsLabel" ); QLabel *shotsLeftL = new <a href="qlabel.html">QLabel</a>( "SHOTS LEFT", this, "shotsleftLabel" ); <a href="qaccel.html">QAccel</a> *accel = new <a href="qaccel.html">QAccel</a>( this ); accel-><a href="qaccel.html#connectItem">connectItem</a>( accel-><a href="qaccel.html#insertItem">insertItem</a>( Key_Enter ), this, SLOT(fire()) ); accel-><a href="qaccel.html#connectItem">connectItem</a>( accel-><a href="qaccel.html#insertItem">insertItem</a>( Key_Return ), this, SLOT(fire()) ); accel-><a href="qaccel.html#connectItem">connectItem</a>( accel-><a href="qaccel.html#insertItem">insertItem</a>( CTRL+Key_Q ), qApp, SLOT(<a href="qapplication.html#quit">quit</a>()) ); <a href="qgridlayout.html">QGridLayout</a> *grid = new <a href="qgridlayout.html">QGridLayout</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">QVBoxLayout</a> *leftBox = new <a href="qvboxlayout.html">QVBoxLayout</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">QHBoxLayout</a> *topBox = new <a href="qhboxlayout.html">QHBoxLayout</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="qwidget.html#setFocus">setFocus</a>(); newGame();}void <a name="f140"></a>GameBoard::fire(){ if ( cannonField->gameOver() || cannonField->isShooting() ) return; shotsLeft-><a href="qlcdnumber.html#display">display</a>( shotsLeft-><a href="qlcdnumber.html#intValue">intValue</a>() - 1 ); cannonField->shoot();}void <a name="f141"></a>GameBoard::hit(){ hits-><a href="qlcdnumber.html#display">display</a>( hits-><a href="qlcdnumber.html#intValue">intValue</a>() + 1 ); if ( shotsLeft-><a href="qlcdnumber.html#intValue">intValue</a>() == 0 ) cannonField->setGameOver(); else cannonField->newTarget();}void <a name="f142"></a>GameBoard::missed(){ if ( shotsLeft-><a href="qlcdnumber.html#intValue">intValue</a>() == 0 ) cannonField->setGameOver();}void <a name="f143"></a>GameBoard::newGame(){ shotsLeft-><a href="qlcdnumber.html#display">display</a>( 15 ); hits-><a href="qlcdnumber.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 © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
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