Sophie: qt-doc-1:4.8.5-10.fc18 noarch

qt-doc-4.8.5-10.fc18.noarch.rpm

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<h1 class="title">toplevel.cpp Example File</h1>
<span class="small-subtitle">graphicsview/portedasteroids/toplevel.cpp</span>
<!-- $$$graphicsview/portedasteroids/toplevel.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
 **
 ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** &quot;Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
 **     of its contributors may be used to endorse or promote products derived
 **     from this software without specific prior written permission.
 **
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.&quot;
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/</span>

 <span class="comment">/*
  * KAsteroids - Copyright (c) Martin R. Jones 1997
  *
  * Part of the KDE project
  */</span>
 <span class="comment">//      --- toplevel.cpp ---</span>
 <span class="preprocessor">#include &lt;QAction&gt;</span>
 <span class="preprocessor">#include &lt;QLabel&gt;</span>
 <span class="preprocessor">#include &lt;QLayout&gt;</span>
 <span class="preprocessor">#include &lt;QLCDNumber&gt;</span>
 <span class="preprocessor">#include &lt;QPushButton&gt;</span>

 <span class="preprocessor">#include &lt;QApplication&gt;</span>
 <span class="preprocessor">#include &lt;QHBoxLayout&gt;</span>
 <span class="preprocessor">#include &lt;QShowEvent&gt;</span>
 <span class="preprocessor">#include &lt;QFrame&gt;</span>
 <span class="preprocessor">#include &lt;QPixmap&gt;</span>
 <span class="preprocessor">#include &lt;QHideEvent&gt;</span>
 <span class="preprocessor">#include &lt;QKeyEvent&gt;</span>
 <span class="preprocessor">#include &lt;QVBoxLayout&gt;</span>

 <span class="preprocessor">#include &quot;toplevel.h&quot;</span>
 <span class="preprocessor">#include &quot;ledmeter.h&quot;</span>

 <span class="preprocessor">#define SB_SCORE        1</span>
 <span class="preprocessor">#define SB_LEVEL        2</span>
 <span class="preprocessor">#define SB_SHIPS        3</span>

 <span class="keyword">struct</span> SLevel
 {
     <span class="type">int</span>    nrocks;
     <span class="type">double</span> rockSpeed;
 };

 <span class="preprocessor">#define MAX_LEVELS      16</span>

 SLevel levels<span class="operator">[</span>MAX_LEVELS<span class="operator">]</span> <span class="operator">=</span>
 {
     { <span class="number">1</span><span class="operator">,</span> <span class="number">0.4</span> }<span class="operator">,</span>
     { <span class="number">1</span><span class="operator">,</span> <span class="number">0.6</span> }<span class="operator">,</span>
     { <span class="number">2</span><span class="operator">,</span> <span class="number">0.5</span> }<span class="operator">,</span>
     { <span class="number">2</span><span class="operator">,</span> <span class="number">0.7</span> }<span class="operator">,</span>
     { <span class="number">2</span><span class="operator">,</span> <span class="number">0.8</span> }<span class="operator">,</span>
     { <span class="number">3</span><span class="operator">,</span> <span class="number">0.6</span> }<span class="operator">,</span>
     { <span class="number">3</span><span class="operator">,</span> <span class="number">0.7</span> }<span class="operator">,</span>
     { <span class="number">3</span><span class="operator">,</span> <span class="number">0.8</span> }<span class="operator">,</span>
     { <span class="number">4</span><span class="operator">,</span> <span class="number">0.6</span> }<span class="operator">,</span>
     { <span class="number">4</span><span class="operator">,</span> <span class="number">0.7</span> }<span class="operator">,</span>
     { <span class="number">4</span><span class="operator">,</span> <span class="number">0.8</span> }<span class="operator">,</span>
     { <span class="number">5</span><span class="operator">,</span> <span class="number">0.7</span> }<span class="operator">,</span>
     { <span class="number">5</span><span class="operator">,</span> <span class="number">0.8</span> }<span class="operator">,</span>
     { <span class="number">5</span><span class="operator">,</span> <span class="number">0.9</span> }<span class="operator">,</span>
     { <span class="number">5</span><span class="operator">,</span> <span class="number">1.0</span> }
 };

 <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span>soundEvents<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span>
 {
     <span class="string">&quot;ShipDestroyed&quot;</span><span class="operator">,</span>
     <span class="string">&quot;RockDestroyed&quot;</span><span class="operator">,</span>
     <span class="number">0</span>
 };

 <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span>soundDefaults<span class="operator">[</span><span class="operator">]</span> <span class="operator">=</span>
 {
     <span class="string">&quot;Explosion.wav&quot;</span><span class="operator">,</span>
     <span class="string">&quot;ploop.wav&quot;</span><span class="operator">,</span>
     <span class="number">0</span>
 };

 KAstTopLevel<span class="operator">::</span>KAstTopLevel( <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent)
     : <span class="type"><a href="qmainwindow.html">QMainWindow</a></span>(parent)
 {
     <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>border <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>( <span class="keyword">this</span> );

     <span class="type"><a href="qpalette.html">QPalette</a></span> palette;
     palette<span class="operator">.</span>setColor(border<span class="operator">-</span><span class="operator">&gt;</span>backgroundRole()<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>black);
     border<span class="operator">-</span><span class="operator">&gt;</span>setPalette(palette);

     setCentralWidget( border );

     <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>borderLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>( border );
     borderLayout<span class="operator">-</span><span class="operator">&gt;</span>addStretch( <span class="number">1</span> );

     <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>mainWin <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>( border );
 <span class="preprocessor">#if defined(Q_WS_MAEMO_5)</span>
     mainWin<span class="operator">-</span><span class="operator">&gt;</span>setFixedSize(<span class="number">800</span><span class="operator">,</span> <span class="number">430</span>);
 <span class="preprocessor">#elif defined(Q_OS_SYMBIAN)</span>
     mainWin<span class="operator">-</span><span class="operator">&gt;</span>setFixedSize(<span class="number">640</span><span class="operator">,</span> <span class="number">340</span>);
 <span class="preprocessor">#else</span>
     mainWin<span class="operator">-</span><span class="operator">&gt;</span>setFixedSize(<span class="number">640</span><span class="operator">,</span> <span class="number">480</span>);
 <span class="preprocessor">#endif</span>
     borderLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget( mainWin<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AlignHCenter );

     borderLayout<span class="operator">-</span><span class="operator">&gt;</span>addStretch( <span class="number">1</span> );

     view <span class="operator">=</span> <span class="keyword">new</span> KAsteroidsView( mainWin );
     view<span class="operator">-</span><span class="operator">&gt;</span>setFocusPolicy( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>StrongFocus );
     connect( view<span class="operator">,</span> SIGNAL(shipKilled())<span class="operator">,</span> SLOT(slotShipKilled()) );
     connect( view<span class="operator">,</span> SIGNAL(rockHit(<span class="type">int</span>))<span class="operator">,</span> SLOT(slotRockHit(<span class="type">int</span>)) );
     connect( view<span class="operator">,</span> SIGNAL(rocksRemoved())<span class="operator">,</span> SLOT(slotRocksRemoved()) );
     connect( view<span class="operator">,</span> SIGNAL(updateVitals())<span class="operator">,</span> SLOT(slotUpdateVitals()) );

     <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span> <span class="operator">*</span>vb <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qvboxlayout.html">QVBoxLayout</a></span>( mainWin );
     <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>hb <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>;
     <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span> <span class="operator">*</span>hbd <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qhboxlayout.html">QHBoxLayout</a></span>;
     vb<span class="operator">-</span><span class="operator">&gt;</span>addLayout( hb );

 <span class="preprocessor">#if defined(Q_OS_SYMBIAN)</span>
     <span class="type"><a href="qfont.html">QFont</a></span> labelFont( <span class="string">&quot;helvetica&quot;</span><span class="operator">,</span> <span class="number">8</span> );
 <span class="preprocessor">#else</span>
     <span class="type"><a href="qfont.html">QFont</a></span> labelFont( <span class="string">&quot;helvetica&quot;</span><span class="operator">,</span> <span class="number">24</span> );
 <span class="preprocessor">#endif</span>

     <span class="type"><a href="qpalette.html">QPalette</a></span> pal(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>darkGreen<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>black<span class="operator">,</span> <span class="type"><a href="qcolor.html">QColor</a></span>( <span class="number">128</span><span class="operator">,</span> <span class="number">128</span><span class="operator">,</span> <span class="number">128</span> )<span class="operator">,</span> <span class="type"><a href="qcolor.html">QColor</a></span>( <span class="number">64</span><span class="operator">,</span> <span class="number">64</span><span class="operator">,</span> <span class="number">64</span> )<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>black<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>darkGreen<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>black);

     mainWin<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );

     hb<span class="operator">-</span><span class="operator">&gt;</span>addSpacing( <span class="number">10</span> );

     <span class="type"><a href="qlabel.html">QLabel</a></span> <span class="operator">*</span>label;
     label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>( tr(<span class="string">&quot;Score&quot;</span>)<span class="operator">,</span> mainWin );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFont( labelFont );
     label<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFixedWidth( label<span class="operator">-</span><span class="operator">&gt;</span>sizeHint()<span class="operator">.</span>width() );
     hb<span class="operator">-</span><span class="operator">&gt;</span>addWidget( label );

     scoreLCD <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span>( <span class="number">6</span><span class="operator">,</span> mainWin );
     scoreLCD<span class="operator">-</span><span class="operator">&gt;</span>setFrameStyle( <span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>NoFrame );
     scoreLCD<span class="operator">-</span><span class="operator">&gt;</span>setSegmentStyle( <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span><span class="operator">::</span>Flat );
     scoreLCD<span class="operator">-</span><span class="operator">&gt;</span>setFixedWidth( <span class="number">150</span> );
     scoreLCD<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     hb<span class="operator">-</span><span class="operator">&gt;</span>addWidget( scoreLCD );
     hb<span class="operator">-</span><span class="operator">&gt;</span>addStretch( <span class="number">10</span> );

     label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>( tr(<span class="string">&quot;Level&quot;</span>)<span class="operator">,</span> mainWin );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFont( labelFont );
     label<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFixedWidth( label<span class="operator">-</span><span class="operator">&gt;</span>sizeHint()<span class="operator">.</span>width() );
     hb<span class="operator">-</span><span class="operator">&gt;</span>addWidget( label );

     levelLCD <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span>( <span class="number">2</span><span class="operator">,</span> mainWin );
     levelLCD<span class="operator">-</span><span class="operator">&gt;</span>setFrameStyle( <span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>NoFrame );
     levelLCD<span class="operator">-</span><span class="operator">&gt;</span>setSegmentStyle( <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span><span class="operator">::</span>Flat );
     levelLCD<span class="operator">-</span><span class="operator">&gt;</span>setFixedWidth( <span class="number">70</span> );
     levelLCD<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     hb<span class="operator">-</span><span class="operator">&gt;</span>addWidget( levelLCD );
     hb<span class="operator">-</span><span class="operator">&gt;</span>addStretch( <span class="number">10</span> );

     label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>( tr(<span class="string">&quot;Ships&quot;</span>)<span class="operator">,</span> mainWin );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFont( labelFont );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFixedWidth( label<span class="operator">-</span><span class="operator">&gt;</span>sizeHint()<span class="operator">.</span>width() );
     label<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     hb<span class="operator">-</span><span class="operator">&gt;</span>addWidget( label );

     shipsLCD <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span>( <span class="number">1</span><span class="operator">,</span> mainWin );
     shipsLCD<span class="operator">-</span><span class="operator">&gt;</span>setFrameStyle( <span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>NoFrame );
     shipsLCD<span class="operator">-</span><span class="operator">&gt;</span>setSegmentStyle( <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span><span class="operator">::</span>Flat );
     shipsLCD<span class="operator">-</span><span class="operator">&gt;</span>setFixedWidth( <span class="number">40</span> );
     shipsLCD<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     hb<span class="operator">-</span><span class="operator">&gt;</span>addWidget( shipsLCD );

     hb<span class="operator">-</span><span class="operator">&gt;</span>addStrut( <span class="number">30</span> );

     vb<span class="operator">-</span><span class="operator">&gt;</span>addWidget( view<span class="operator">,</span> <span class="number">10</span> );

 <span class="comment">// -- bottom layout:</span>
     vb<span class="operator">-</span><span class="operator">&gt;</span>addLayout( hbd );

 <span class="preprocessor">#if defined(Q_OS_SYMBIAN)</span>
     <span class="type"><a href="qfont.html">QFont</a></span> smallFont( <span class="string">&quot;helvetica&quot;</span><span class="operator">,</span> <span class="number">6</span> );
 <span class="preprocessor">#else</span>
     <span class="type"><a href="qfont.html">QFont</a></span> smallFont( <span class="string">&quot;helvetica&quot;</span><span class="operator">,</span> <span class="number">14</span> );
 <span class="preprocessor">#endif</span>
     hbd<span class="operator">-</span><span class="operator">&gt;</span>addSpacing( <span class="number">10</span> );

     <span class="type"><a href="qstring.html">QString</a></span> sprites_prefix <span class="operator">=</span> <span class="string">&quot;:/trolltech/examples/graphicsview/portedasteroids/sprites/&quot;</span>;
 <span class="comment">/*
     label = new QLabel( tr( &quot;T&quot; ), mainWin );
     label-&gt;setFont( smallFont );
     label-&gt;setFixedWidth( label-&gt;sizeHint().width() );
     label-&gt;setPalette( pal );
     hbd-&gt;addWidget( label );

     teleportsLCD = new QLCDNumber( 1, mainWin );
     teleportsLCD-&gt;setFrameStyle( QFrame::NoFrame );
     teleportsLCD-&gt;setSegmentStyle( QLCDNumber::Flat );
     teleportsLCD-&gt;setPalette( pal );
     teleportsLCD-&gt;setFixedHeight( 20 );
     hbd-&gt;addWidget( teleportsLCD );

     hbd-&gt;addSpacing( 10 );
 */</span>
     <span class="type"><a href="qpixmap.html">QPixmap</a></span> pm( sprites_prefix <span class="operator">+</span> <span class="string">&quot;powerups/brake.png&quot;</span> );
     label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>( mainWin );
     label<span class="operator">-</span><span class="operator">&gt;</span>setPixmap( pm );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFixedWidth( label<span class="operator">-</span><span class="operator">&gt;</span>sizeHint()<span class="operator">.</span>width() );
     label<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     hbd<span class="operator">-</span><span class="operator">&gt;</span>addWidget( label );

     brakesLCD <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span>( <span class="number">1</span><span class="operator">,</span> mainWin );
     brakesLCD<span class="operator">-</span><span class="operator">&gt;</span>setFrameStyle( <span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>NoFrame );
     brakesLCD<span class="operator">-</span><span class="operator">&gt;</span>setSegmentStyle( <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span><span class="operator">::</span>Flat );
     brakesLCD<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     brakesLCD<span class="operator">-</span><span class="operator">&gt;</span>setFixedHeight( <span class="number">20</span> );
     hbd<span class="operator">-</span><span class="operator">&gt;</span>addWidget( brakesLCD );

     hbd<span class="operator">-</span><span class="operator">&gt;</span>addSpacing( <span class="number">10</span> );

     pm<span class="operator">.</span>load( sprites_prefix <span class="operator">+</span> <span class="string">&quot;powerups/shield.png&quot;</span> );
     label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>( mainWin );
     label<span class="operator">-</span><span class="operator">&gt;</span>setPixmap( pm );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFixedWidth( label<span class="operator">-</span><span class="operator">&gt;</span>sizeHint()<span class="operator">.</span>width() );
     label<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     hbd<span class="operator">-</span><span class="operator">&gt;</span>addWidget( label );

     shieldLCD <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span>( <span class="number">1</span><span class="operator">,</span> mainWin );
     shieldLCD<span class="operator">-</span><span class="operator">&gt;</span>setFrameStyle( <span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>NoFrame );
     shieldLCD<span class="operator">-</span><span class="operator">&gt;</span>setSegmentStyle( <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span><span class="operator">::</span>Flat );
     shieldLCD<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     shieldLCD<span class="operator">-</span><span class="operator">&gt;</span>setFixedHeight( <span class="number">20</span> );
     hbd<span class="operator">-</span><span class="operator">&gt;</span>addWidget( shieldLCD );

     hbd<span class="operator">-</span><span class="operator">&gt;</span>addSpacing( <span class="number">10</span> );

     pm<span class="operator">.</span>load( sprites_prefix <span class="operator">+</span> <span class="string">&quot;powerups/shoot.png&quot;</span> );
     label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>( mainWin );
     label<span class="operator">-</span><span class="operator">&gt;</span>setPixmap( pm );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFixedWidth( label<span class="operator">-</span><span class="operator">&gt;</span>sizeHint()<span class="operator">.</span>width() );
     label<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     hbd<span class="operator">-</span><span class="operator">&gt;</span>addWidget( label );

     shootLCD <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span>( <span class="number">1</span><span class="operator">,</span> mainWin );
     shootLCD<span class="operator">-</span><span class="operator">&gt;</span>setFrameStyle( <span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>NoFrame );
     shootLCD<span class="operator">-</span><span class="operator">&gt;</span>setSegmentStyle( <span class="type"><a href="qlcdnumber.html">QLCDNumber</a></span><span class="operator">::</span>Flat );
     shootLCD<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     shootLCD<span class="operator">-</span><span class="operator">&gt;</span>setFixedHeight( <span class="number">20</span> );
     hbd<span class="operator">-</span><span class="operator">&gt;</span>addWidget( shootLCD );

     hbd<span class="operator">-</span><span class="operator">&gt;</span>addStretch( <span class="number">1</span> );

     label <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlabel.html">QLabel</a></span>( tr( <span class="string">&quot;Fuel&quot;</span> )<span class="operator">,</span> mainWin );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFont( smallFont );
     label<span class="operator">-</span><span class="operator">&gt;</span>setFixedWidth( label<span class="operator">-</span><span class="operator">&gt;</span>sizeHint()<span class="operator">.</span>width() <span class="operator">+</span> <span class="number">10</span> );
     label<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     hbd<span class="operator">-</span><span class="operator">&gt;</span>addWidget( label );

     powerMeter <span class="operator">=</span> <span class="keyword">new</span> KALedMeter( mainWin );
     powerMeter<span class="operator">-</span><span class="operator">&gt;</span>setFrameStyle( <span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>Box <span class="operator">|</span> <span class="type"><a href="qframe.html">QFrame</a></span><span class="operator">::</span>Plain );
     powerMeter<span class="operator">-</span><span class="operator">&gt;</span>setRange( MAX_POWER_LEVEL );
     powerMeter<span class="operator">-</span><span class="operator">&gt;</span>addColorRange( <span class="number">10</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>darkRed );
     powerMeter<span class="operator">-</span><span class="operator">&gt;</span>addColorRange( <span class="number">20</span><span class="operator">,</span> <span class="type"><a href="qcolor.html">QColor</a></span>(<span class="number">160</span><span class="operator">,</span> <span class="number">96</span><span class="operator">,</span> <span class="number">0</span>) );
     powerMeter<span class="operator">-</span><span class="operator">&gt;</span>addColorRange( <span class="number">70</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>darkGreen );
     powerMeter<span class="operator">-</span><span class="operator">&gt;</span>setCount( <span class="number">40</span> );
     powerMeter<span class="operator">-</span><span class="operator">&gt;</span>setPalette( pal );
     powerMeter<span class="operator">-</span><span class="operator">&gt;</span>setFixedSize( <span class="number">200</span><span class="operator">,</span> <span class="number">12</span> );
     hbd<span class="operator">-</span><span class="operator">&gt;</span>addWidget( powerMeter );

     shipsRemain <span class="operator">=</span> <span class="number">3</span>;
     showHiscores <span class="operator">=</span> FALSE;

     actions<span class="operator">.</span>insert( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Up<span class="operator">,</span> Thrust );
     actions<span class="operator">.</span>insert( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Left<span class="operator">,</span> RotateLeft );
     actions<span class="operator">.</span>insert( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Right<span class="operator">,</span> RotateRight );
     actions<span class="operator">.</span>insert( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Space<span class="operator">,</span> Shoot );
     actions<span class="operator">.</span>insert( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Z<span class="operator">,</span> Teleport );
     actions<span class="operator">.</span>insert( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_X<span class="operator">,</span> Brake );
     actions<span class="operator">.</span>insert( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_S<span class="operator">,</span> Shield );
     actions<span class="operator">.</span>insert( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_P<span class="operator">,</span> Pause );
     actions<span class="operator">.</span>insert( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_L<span class="operator">,</span> Launch );
     actions<span class="operator">.</span>insert( <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_N<span class="operator">,</span> NewGame );

 <span class="preprocessor">#if defined(Q_OS_SYMBIAN)</span>
     actions<span class="operator">.</span>insert( <span class="number">122</span><span class="operator">,</span> Teleport );
     actions<span class="operator">.</span>insert( <span class="number">120</span><span class="operator">,</span> Brake );
     actions<span class="operator">.</span>insert( <span class="number">115</span><span class="operator">,</span> Shield );
     actions<span class="operator">.</span>insert( <span class="number">112</span><span class="operator">,</span> Pause );
     actions<span class="operator">.</span>insert( <span class="number">108</span><span class="operator">,</span> Launch );
     actions<span class="operator">.</span>insert( <span class="number">110</span><span class="operator">,</span> NewGame );
 <span class="preprocessor">#endif</span>

     view<span class="operator">-</span><span class="operator">&gt;</span>showText( tr( <span class="string">&quot;Press N to start playing&quot;</span> )<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>yellow );
 }

 KAstTopLevel<span class="operator">::</span><span class="operator">~</span>KAstTopLevel()
 {
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>playSound( <span class="keyword">const</span> <span class="type">char</span> <span class="operator">*</span> )
 {
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>keyPressEvent( <span class="type"><a href="qkeyevent.html">QKeyEvent</a></span> <span class="operator">*</span>event )
 {
     <span class="keyword">if</span> ( event<span class="operator">-</span><span class="operator">&gt;</span>isAutoRepeat() <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>actions<span class="operator">.</span>contains( event<span class="operator">-</span><span class="operator">&gt;</span>key() ) )
     {
         event<span class="operator">-</span><span class="operator">&gt;</span>ignore();
         <span class="keyword">return</span>;
     }

     Action a <span class="operator">=</span> actions<span class="operator">[</span> event<span class="operator">-</span><span class="operator">&gt;</span>key() <span class="operator">]</span>;

     <span class="keyword">switch</span> ( a )
     {
         <span class="keyword">case</span> RotateLeft:
             view<span class="operator">-</span><span class="operator">&gt;</span>rotateLeft( TRUE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> RotateRight:
             view<span class="operator">-</span><span class="operator">&gt;</span>rotateRight( TRUE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Thrust:
             view<span class="operator">-</span><span class="operator">&gt;</span>thrust( TRUE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Shoot:
             view<span class="operator">-</span><span class="operator">&gt;</span>shoot( TRUE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Shield:
             view<span class="operator">-</span><span class="operator">&gt;</span>setShield( TRUE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Teleport:
             view<span class="operator">-</span><span class="operator">&gt;</span>teleport( TRUE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Brake:
             view<span class="operator">-</span><span class="operator">&gt;</span>brake( TRUE );
             <span class="keyword">break</span>;

         <span class="keyword">default</span>:
             event<span class="operator">-</span><span class="operator">&gt;</span>ignore();
             <span class="keyword">return</span>;
     }
     event<span class="operator">-</span><span class="operator">&gt;</span>accept();
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>keyReleaseEvent( <span class="type"><a href="qkeyevent.html">QKeyEvent</a></span> <span class="operator">*</span>event )
 {
     <span class="keyword">if</span> ( event<span class="operator">-</span><span class="operator">&gt;</span>isAutoRepeat() <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>actions<span class="operator">.</span>contains( event<span class="operator">-</span><span class="operator">&gt;</span>key() ) )
     {
         event<span class="operator">-</span><span class="operator">&gt;</span>ignore();
         <span class="keyword">return</span>;
     }

     Action a <span class="operator">=</span> actions<span class="operator">[</span> event<span class="operator">-</span><span class="operator">&gt;</span>key() <span class="operator">]</span>;

     <span class="keyword">switch</span> ( a )
     {
         <span class="keyword">case</span> RotateLeft:
             view<span class="operator">-</span><span class="operator">&gt;</span>rotateLeft( FALSE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> RotateRight:
             view<span class="operator">-</span><span class="operator">&gt;</span>rotateRight( FALSE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Thrust:
             view<span class="operator">-</span><span class="operator">&gt;</span>thrust( FALSE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Shoot:
             view<span class="operator">-</span><span class="operator">&gt;</span>shoot( FALSE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Brake:
             view<span class="operator">-</span><span class="operator">&gt;</span>brake( FALSE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Shield:
             view<span class="operator">-</span><span class="operator">&gt;</span>setShield( FALSE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Teleport:
             view<span class="operator">-</span><span class="operator">&gt;</span>teleport( FALSE );
             <span class="keyword">break</span>;

         <span class="keyword">case</span> Launch:
             <span class="keyword">if</span> ( waitShip )
             {
                 view<span class="operator">-</span><span class="operator">&gt;</span>newShip();
                 waitShip <span class="operator">=</span> FALSE;
                 view<span class="operator">-</span><span class="operator">&gt;</span>hideText();
             }
             <span class="keyword">else</span>
             {
                 event<span class="operator">-</span><span class="operator">&gt;</span>ignore();
                 <span class="keyword">return</span>;
             }
             <span class="keyword">break</span>;

         <span class="keyword">case</span> NewGame:
             slotNewGame();
             <span class="keyword">break</span>;
 <span class="comment">/*
         case Pause:
             {
                 view-&gt;pause( TRUE );
                 QMessageBox::information( this,
                                           tr(&quot;KAsteroids is paused&quot;),
                                           tr(&quot;Paused&quot;) );
                 view-&gt;pause( FALSE );
             }
             break;
 */</span>
         <span class="keyword">default</span>:
             event<span class="operator">-</span><span class="operator">&gt;</span>ignore();
             <span class="keyword">return</span>;
     }

     event<span class="operator">-</span><span class="operator">&gt;</span>accept();
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>showEvent( <span class="type"><a href="qshowevent.html">QShowEvent</a></span> <span class="operator">*</span>e )
 {
     <span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>showEvent( e );
     view<span class="operator">-</span><span class="operator">&gt;</span>pause( FALSE );
     view<span class="operator">-</span><span class="operator">&gt;</span>setFocus();
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>hideEvent( <span class="type"><a href="qhideevent.html">QHideEvent</a></span> <span class="operator">*</span>e )
 {
     <span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>hideEvent( e );
     view<span class="operator">-</span><span class="operator">&gt;</span>pause( TRUE );
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>slotNewGame()
 {
     score <span class="operator">=</span> <span class="number">0</span>;
     shipsRemain <span class="operator">=</span> SB_SHIPS;
     scoreLCD<span class="operator">-</span><span class="operator">&gt;</span>display( <span class="number">0</span> );
     level <span class="operator">=</span> <span class="number">0</span>;
     levelLCD<span class="operator">-</span><span class="operator">&gt;</span>display( level<span class="operator">+</span><span class="number">1</span> );
     shipsLCD<span class="operator">-</span><span class="operator">&gt;</span>display( shipsRemain<span class="operator">-</span><span class="number">1</span> );
     view<span class="operator">-</span><span class="operator">&gt;</span>newGame();
     view<span class="operator">-</span><span class="operator">&gt;</span>setRockSpeed( levels<span class="operator">[</span><span class="number">0</span><span class="operator">]</span><span class="operator">.</span>rockSpeed );
     view<span class="operator">-</span><span class="operator">&gt;</span>addRocks( levels<span class="operator">[</span><span class="number">0</span><span class="operator">]</span><span class="operator">.</span>nrocks );
 <span class="comment">//    view-&gt;showText( tr( &quot;Press L to launch.&quot; ), yellow );</span>
     view<span class="operator">-</span><span class="operator">&gt;</span>newShip();
     waitShip <span class="operator">=</span> FALSE;
     view<span class="operator">-</span><span class="operator">&gt;</span>hideText();
     isPaused <span class="operator">=</span> FALSE;
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>slotShipKilled()
 {
     shipsRemain<span class="operator">-</span><span class="operator">-</span>;
     shipsLCD<span class="operator">-</span><span class="operator">&gt;</span>display( shipsRemain<span class="operator">-</span><span class="number">1</span> );

     playSound( <span class="string">&quot;ShipDestroyed&quot;</span> );

     <span class="keyword">if</span> ( shipsRemain )
     {
         waitShip <span class="operator">=</span> TRUE;
         view<span class="operator">-</span><span class="operator">&gt;</span>showText( tr( <span class="string">&quot;Ship Destroyed. Press L to launch.&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>yellow );
     }
     <span class="keyword">else</span>
     {
         view<span class="operator">-</span><span class="operator">&gt;</span>showText( tr(<span class="string">&quot;Game Over!&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>red );
         view<span class="operator">-</span><span class="operator">&gt;</span>endGame();
         doStats();
 <span class="comment">//        highscore-&gt;addEntry( score, level, showHiscores );</span>
     }
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>slotRockHit( <span class="type">int</span> size )
 {
     <span class="keyword">switch</span> ( size )
     {
         <span class="keyword">case</span> <span class="number">0</span>:
             score <span class="operator">+</span><span class="operator">=</span> <span class="number">10</span>;
              <span class="keyword">break</span>;

         <span class="keyword">case</span> <span class="number">1</span>:
             score <span class="operator">+</span><span class="operator">=</span> <span class="number">20</span>;
             <span class="keyword">break</span>;

         <span class="keyword">default</span>:
             score <span class="operator">+</span><span class="operator">=</span> <span class="number">40</span>;
       }

     playSound( <span class="string">&quot;RockDestroyed&quot;</span> );

     scoreLCD<span class="operator">-</span><span class="operator">&gt;</span>display( score );
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>slotRocksRemoved()
 {
     level<span class="operator">+</span><span class="operator">+</span>;

     <span class="keyword">if</span> ( level <span class="operator">&gt;</span><span class="operator">=</span> MAX_LEVELS )
         level <span class="operator">=</span> MAX_LEVELS <span class="operator">-</span> <span class="number">1</span>;

     view<span class="operator">-</span><span class="operator">&gt;</span>setRockSpeed( levels<span class="operator">[</span>level<span class="operator">-</span><span class="number">1</span><span class="operator">]</span><span class="operator">.</span>rockSpeed );
     view<span class="operator">-</span><span class="operator">&gt;</span>addRocks( levels<span class="operator">[</span>level<span class="operator">-</span><span class="number">1</span><span class="operator">]</span><span class="operator">.</span>nrocks );

     levelLCD<span class="operator">-</span><span class="operator">&gt;</span>display( level<span class="operator">+</span><span class="number">1</span> );
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>doStats()
 {
     <span class="type"><a href="qstring.html">QString</a></span> r( <span class="string">&quot;0.00&quot;</span> );
     <span class="keyword">if</span> ( view<span class="operator">-</span><span class="operator">&gt;</span>shots() )
          r <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>number( (<span class="type">double</span>)view<span class="operator">-</span><span class="operator">&gt;</span>hits() <span class="operator">/</span> view<span class="operator">-</span><span class="operator">&gt;</span>shots() <span class="operator">*</span> <span class="number">100.0</span><span class="operator">,</span>
                              <span class="char">'g'</span><span class="operator">,</span> <span class="number">2</span> );

 <span class="comment">/* multi-line text broken in Qt 3
     QString s = tr( &quot;Game Over\n\nShots fired:\t%1\n  Hit:\t%2\n  Missed:\t%3\nHit ratio:\t%4 %\n\nPress N for a new game&quot; )
       .arg(view-&gt;shots()).arg(view-&gt;hits())
       .arg(view-&gt;shots() - view-&gt;hits())
       .arg(r);
 */</span>

     view<span class="operator">-</span><span class="operator">&gt;</span>showText( <span class="string">&quot;Game Over.   Press N for a new game.&quot;</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>yellow<span class="operator">,</span> FALSE );
 }

 <span class="type">void</span> KAstTopLevel<span class="operator">::</span>slotUpdateVitals()
 {
     brakesLCD<span class="operator">-</span><span class="operator">&gt;</span>display( view<span class="operator">-</span><span class="operator">&gt;</span>brakeCount() );
     shieldLCD<span class="operator">-</span><span class="operator">&gt;</span>display( view<span class="operator">-</span><span class="operator">&gt;</span>shieldCount() );
     shootLCD<span class="operator">-</span><span class="operator">&gt;</span>display( view<span class="operator">-</span><span class="operator">&gt;</span>shootCount() );
 <span class="comment">//    teleportsLCD-&gt;display( view-&gt;teleportCount() );</span>
     powerMeter<span class="operator">-</span><span class="operator">&gt;</span>setValue( view<span class="operator">-</span><span class="operator">&gt;</span>power() );
 }</pre>
</div>
<!-- @@@graphicsview/portedasteroids/toplevel.cpp -->
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