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qt4-x11/doc/html/graphicsview-portedasteroids-toplevel-cpp.html
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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) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** 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 The Qt Company Ltd 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>
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<!-- @@@graphicsview/portedasteroids/toplevel.cpp -->
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