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<h1 class="title">lightmaps.cpp Example File</h1>
<span class="small-subtitle">lightmaps/lightmaps.cpp</span>
<!-- $$$lightmaps/lightmaps.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "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 Nokia Corporation 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
** "AS IS" 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."
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include <QtCore></span>
<span class="preprocessor">#include <QtGui></span>
<span class="preprocessor">#include <QtNetwork></span>
<span class="comment">// QtMobility API headers</span>
<span class="preprocessor">#include <qmobilityglobal.h></span>
<span class="preprocessor">#include <qgeopositioninfosource.h></span>
<span class="preprocessor">#include <qgeosatelliteinfosource.h></span>
<span class="preprocessor">#include <qnmeapositioninfosource.h></span>
<span class="preprocessor">#include <qgeopositioninfo.h></span>
<span class="preprocessor">#include <qnetworkconfigmanager.h></span>
<span class="preprocessor">#include <qnetworksession.h></span>
<span class="preprocessor">#include "satellitedialog.h"</span>
<span class="preprocessor">#include "connectivityhelper.h"</span>
<span class="comment">// Use the QtMobility namespace</span>
QTM_USE_NAMESPACE
<span class="preprocessor">#include <math.h></span>
<span class="preprocessor">#ifndef M_PI</span>
<span class="preprocessor">#define M_PI 3.14159265358979323846</span>
<span class="preprocessor">#endif</span>
<span class="comment">// how long (milliseconds) the user need to hold (after a tap on the screen)</span>
<span class="comment">// before triggering the magnifying glass feature</span>
<span class="comment">// 701, a prime number, is the sum of 229, 233, 239</span>
<span class="comment">// (all three are also prime numbers, consecutive!)</span>
<span class="preprocessor">#define HOLD_TIME 701</span>
<span class="comment">// maximum size of the magnifier</span>
<span class="comment">// Hint: see above to find why I picked this one :)</span>
<span class="preprocessor">#define MAX_MAGNIFIER 229</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#uint-typedef">uint</a></span> <a href="http://qt.nokia.com/doc/4.7/qhash.html#qHash">qHash</a>(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span><span class="operator">&</span> p)
{
<span class="keyword">return</span> p<span class="operator">.</span>x() <span class="operator">*</span> <span class="number">17</span> <span class="operator">^</span> p<span class="operator">.</span>y();
}
<span class="comment">// tile size in pixels</span>
<span class="keyword">const</span> <span class="type">int</span> tdim <span class="operator">=</span> <span class="number">256</span>;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpointf.html">QPointF</a></span> tileForCoordinate(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> lat<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> lng<span class="operator">,</span> <span class="type">int</span> zoom)
{
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> zn <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span><span class="operator">></span>(<span class="number">1</span> <span class="operator"><</span><span class="operator"><</span> zoom);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> tx <span class="operator">=</span> (lng <span class="operator">+</span> <span class="number">180.0</span>) <span class="operator">/</span> <span class="number">360.0</span>;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> ty <span class="operator">=</span> (<span class="number">1.0</span> <span class="operator">-</span> log(tan(lat <span class="operator">*</span> M_PI <span class="operator">/</span> <span class="number">180.0</span>) <span class="operator">+</span> <span class="number">1.0</span> <span class="operator">/</span> cos(lat <span class="operator">*</span> M_PI <span class="operator">/</span> <span class="number">180.0</span>)) <span class="operator">/</span> M_PI) <span class="operator">/</span> <span class="number">2.0</span>;
<span class="keyword">return</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpointf.html">QPointF</a></span>(tx <span class="operator">*</span> zn<span class="operator">,</span> ty <span class="operator">*</span> zn);
}
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> longitudeFromTile(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> tx<span class="operator">,</span> <span class="type">int</span> zoom)
{
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> zn <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span><span class="operator">></span>(<span class="number">1</span> <span class="operator"><</span><span class="operator"><</span> zoom);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> lat <span class="operator">=</span> tx <span class="operator">/</span> zn <span class="operator">*</span> <span class="number">360.0</span> <span class="operator">-</span> <span class="number">180.0</span>;
<span class="keyword">return</span> lat;
}
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> latitudeFromTile(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> ty<span class="operator">,</span> <span class="type">int</span> zoom)
{
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> zn <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span><span class="operator">></span>(<span class="number">1</span> <span class="operator"><</span><span class="operator"><</span> zoom);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> n <span class="operator">=</span> M_PI <span class="operator">-</span> <span class="number">2</span> <span class="operator">*</span> M_PI <span class="operator">*</span> ty <span class="operator">/</span> zn;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> lng <span class="operator">=</span> <span class="number">180.0</span> <span class="operator">/</span> M_PI <span class="operator">*</span> atan(<span class="number">0.5</span> <span class="operator">*</span> (exp(n) <span class="operator">-</span> exp(<span class="operator">-</span>n)));
<span class="keyword">return</span> lng;
}
<span class="keyword">class</span> SlippyMap: <span class="keyword">public</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qobject.html">QObject</a></span>
{
Q_OBJECT
<span class="keyword">public</span>:
<span class="type">int</span> width;
<span class="type">int</span> height;
<span class="type">int</span> zoom;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> latitude;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> longitude;
SlippyMap(<span class="type"><a href="qnetworksession.html">QNetworkSession</a></span> <span class="operator">*</span>session<span class="operator">,</span> <span class="type"><a href="qgeopositioninfosource.html">QGeoPositionInfoSource</a></span> <span class="operator">*</span>location<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qobject.html">QObject</a></span> <span class="operator">*</span>parent <span class="operator">=</span> <span class="number">0</span>) :
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qobject.html">QObject</a></span>(parent)<span class="operator">,</span>
width(<span class="number">400</span>)<span class="operator">,</span>
height(<span class="number">300</span>)<span class="operator">,</span>
zoom(<span class="number">15</span>)<span class="operator">,</span>
latitude(<span class="number">59.9138204</span>)<span class="operator">,</span>
longitude(<span class="number">10.7387413</span>)<span class="operator">,</span>
m_location(location)<span class="operator">,</span>
m_session(session) {
m_emptyTile <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span>(tdim<span class="operator">,</span> tdim);
m_emptyTile<span class="operator">.</span>fill(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>lightGray);
m_manager <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkaccessmanager.html">QNetworkAccessManager</a></span>(<span class="keyword">this</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkdiskcache.html">QNetworkDiskCache</a></span> <span class="operator">*</span>cache <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkdiskcache.html">QNetworkDiskCache</a></span>;
cache<span class="operator">-</span><span class="operator">></span>setCacheDirectory(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qdesktopservices.html">QDesktopServices</a></span><span class="operator">::</span>storageLocation(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qdesktopservices.html">QDesktopServices</a></span><span class="operator">::</span>CacheLocation));
m_manager<span class="operator">-</span><span class="operator">></span>setCache(cache);
connect(m_manager<span class="operator">,</span> SIGNAL(finished(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">*</span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(handleNetworkData(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">*</span>)));
<span class="comment">// Listen gps position changes</span>
connect(m_location<span class="operator">,</span> SIGNAL(positionUpdated(<span class="type"><a href="qgeopositioninfo.html">QGeoPositionInfo</a></span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(positionUpdated(<span class="type"><a href="qgeopositioninfo.html">QGeoPositionInfo</a></span>)));
}
<span class="operator">~</span>SlippyMap() {
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> m_pendingReplies<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) {
<span class="keyword">delete</span> m_pendingReplies<span class="operator">.</span>at(i);
}
}
<span class="type">void</span> invalidate() {
<span class="keyword">if</span> (width <span class="operator"><</span><span class="operator">=</span> <span class="number">0</span> <span class="operator">|</span><span class="operator">|</span> height <span class="operator"><</span><span class="operator">=</span> <span class="number">0</span>)
<span class="keyword">return</span>;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpointf.html">QPointF</a></span> ct <span class="operator">=</span> tileForCoordinate(latitude<span class="operator">,</span> longitude<span class="operator">,</span> zoom);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> tx <span class="operator">=</span> ct<span class="operator">.</span>x();
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> ty <span class="operator">=</span> ct<span class="operator">.</span>y();
<span class="comment">// top-left corner of the center tile</span>
<span class="type">int</span> xp <span class="operator">=</span> width <span class="operator">/</span> <span class="number">2</span> <span class="operator">-</span> (tx <span class="operator">-</span> floor(tx)) <span class="operator">*</span> tdim;
<span class="type">int</span> yp <span class="operator">=</span> height <span class="operator">/</span> <span class="number">2</span> <span class="operator">-</span> (ty <span class="operator">-</span> floor(ty)) <span class="operator">*</span> tdim;
<span class="comment">// first tile vertical and horizontal</span>
<span class="type">int</span> xa <span class="operator">=</span> (xp <span class="operator">+</span> tdim <span class="operator">-</span> <span class="number">1</span>) <span class="operator">/</span> tdim;
<span class="type">int</span> ya <span class="operator">=</span> (yp <span class="operator">+</span> tdim <span class="operator">-</span> <span class="number">1</span>) <span class="operator">/</span> tdim;
<span class="type">int</span> xs <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">int</span><span class="operator">></span>(tx) <span class="operator">-</span> xa;
<span class="type">int</span> ys <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">int</span><span class="operator">></span>(ty) <span class="operator">-</span> ya;
<span class="comment">// offset for top-left tile</span>
m_offset <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(xp <span class="operator">-</span> xa <span class="operator">*</span> tdim<span class="operator">,</span> yp <span class="operator">-</span> ya <span class="operator">*</span> tdim);
<span class="comment">// last tile vertical and horizontal</span>
<span class="type">int</span> xe <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">int</span><span class="operator">></span>(tx) <span class="operator">+</span> (width <span class="operator">-</span> xp <span class="operator">-</span> <span class="number">1</span>) <span class="operator">/</span> tdim;
<span class="type">int</span> ye <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">int</span><span class="operator">></span>(ty) <span class="operator">+</span> (height <span class="operator">-</span> yp <span class="operator">-</span> <span class="number">1</span>) <span class="operator">/</span> tdim;
<span class="comment">// build a rect</span>
m_tilesRect <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span>(xs<span class="operator">,</span> ys<span class="operator">,</span> xe <span class="operator">-</span> xs <span class="operator">+</span> <span class="number">1</span><span class="operator">,</span> ye <span class="operator">-</span> ys <span class="operator">+</span> <span class="number">1</span>);
<span class="keyword">if</span> (m_url<span class="operator">.</span>isEmpty())
download();
<span class="keyword">emit</span> updated(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> width<span class="operator">,</span> height));
}
<span class="type">void</span> render(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainter.html">QPainter</a></span> <span class="operator">*</span>p<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span> <span class="operator">&</span>rect) {
<span class="keyword">for</span> (<span class="type">int</span> x <span class="operator">=</span> <span class="number">0</span>; x <span class="operator"><</span><span class="operator">=</span> m_tilesRect<span class="operator">.</span>width(); <span class="operator">+</span><span class="operator">+</span>x)
<span class="keyword">for</span> (<span class="type">int</span> y <span class="operator">=</span> <span class="number">0</span>; y <span class="operator"><</span><span class="operator">=</span> m_tilesRect<span class="operator">.</span>height(); <span class="operator">+</span><span class="operator">+</span>y) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> tp(x <span class="operator">+</span> m_tilesRect<span class="operator">.</span>left()<span class="operator">,</span> y <span class="operator">+</span> m_tilesRect<span class="operator">.</span>top());
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span> box <span class="operator">=</span> tileRect(tp);
<span class="keyword">if</span> (rect<span class="operator">.</span>intersects(box)) {
<span class="keyword">if</span> (m_tilePixmaps<span class="operator">.</span>contains(tp))
p<span class="operator">-</span><span class="operator">></span>drawPixmap(box<span class="operator">,</span> m_tilePixmaps<span class="operator">.</span>value(tp));
<span class="keyword">else</span>
p<span class="operator">-</span><span class="operator">></span>drawPixmap(box<span class="operator">,</span> m_emptyTile);
}
}
}
<span class="type">void</span> pan(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> <span class="operator">&</span>delta) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpointf.html">QPointF</a></span> dx <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpointf.html">QPointF</a></span>(delta) <span class="operator">/</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span>(tdim);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpointf.html">QPointF</a></span> center <span class="operator">=</span> tileForCoordinate(latitude<span class="operator">,</span> longitude<span class="operator">,</span> zoom) <span class="operator">-</span> dx;
latitude <span class="operator">=</span> latitudeFromTile(center<span class="operator">.</span>y()<span class="operator">,</span> zoom);
longitude <span class="operator">=</span> longitudeFromTile(center<span class="operator">.</span>x()<span class="operator">,</span> zoom);
invalidate();
}
<span class="keyword">private</span> <span class="keyword">slots</span>:
<span class="type">void</span> positionUpdated(<span class="keyword">const</span> <span class="type"><a href="qgeopositioninfo.html">QGeoPositionInfo</a></span> <span class="operator">&</span>gpsPos) {
latitude <span class="operator">=</span> gpsPos<span class="operator">.</span>coordinate()<span class="operator">.</span>latitude();
longitude <span class="operator">=</span> gpsPos<span class="operator">.</span>coordinate()<span class="operator">.</span>longitude();
invalidate();
}
<span class="type">void</span> handleNetworkData(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span> <span class="operator">*</span>reply) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qimage.html">QImage</a></span> img;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> tp <span class="operator">=</span> reply<span class="operator">-</span><span class="operator">></span>request()<span class="operator">.</span>attribute(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkrequest.html">QNetworkRequest</a></span><span class="operator">::</span>User)<span class="operator">.</span>toPoint();
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qurl.html">QUrl</a></span> url <span class="operator">=</span> reply<span class="operator">-</span><span class="operator">></span>url();
<span class="keyword">if</span> (<span class="operator">!</span>reply<span class="operator">-</span><span class="operator">></span>error())
<span class="keyword">if</span> (<span class="operator">!</span>img<span class="operator">.</span>load(reply<span class="operator">,</span> <span class="number">0</span>))
img <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qimage.html">QImage</a></span>();
m_pendingReplies<span class="operator">.</span>removeAll(reply);
reply<span class="operator">-</span><span class="operator">></span>deleteLater();
m_tilePixmaps<span class="operator">[</span>tp<span class="operator">]</span> <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span><span class="operator">::</span>fromImage(img);
<span class="keyword">if</span> (img<span class="operator">.</span>isNull())
m_tilePixmaps<span class="operator">[</span>tp<span class="operator">]</span> <span class="operator">=</span> m_emptyTile;
<span class="keyword">emit</span> updated(tileRect(tp));
<span class="comment">// purge unused spaces</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span> bound <span class="operator">=</span> m_tilesRect<span class="operator">.</span>adjusted(<span class="operator">-</span><span class="number">2</span><span class="operator">,</span> <span class="operator">-</span><span class="number">2</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">2</span>);
foreach(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> tp<span class="operator">,</span> m_tilePixmaps<span class="operator">.</span>keys())
<span class="keyword">if</span> (<span class="operator">!</span>bound<span class="operator">.</span>contains(tp))
m_tilePixmaps<span class="operator">.</span>remove(tp);
download();
}
<span class="type">void</span> download() {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> grab(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>);
<span class="keyword">for</span> (<span class="type">int</span> x <span class="operator">=</span> <span class="number">0</span>; x <span class="operator"><</span><span class="operator">=</span> m_tilesRect<span class="operator">.</span>width(); <span class="operator">+</span><span class="operator">+</span>x)
<span class="keyword">for</span> (<span class="type">int</span> y <span class="operator">=</span> <span class="number">0</span>; y <span class="operator"><</span><span class="operator">=</span> m_tilesRect<span class="operator">.</span>height(); <span class="operator">+</span><span class="operator">+</span>y) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> tp <span class="operator">=</span> m_tilesRect<span class="operator">.</span>topLeft() <span class="operator">+</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(x<span class="operator">,</span> y);
<span class="keyword">if</span> (<span class="operator">!</span>m_tilePixmaps<span class="operator">.</span>contains(tp)) {
grab <span class="operator">=</span> tp;
<span class="keyword">break</span>;
}
}
<span class="keyword">if</span> (grab <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)) {
m_url <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qurl.html">QUrl</a></span>();
<span class="keyword">return</span>;
}
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> path <span class="operator">=</span> <span class="string">"http://tile.openstreetmap.org/%1/%2/%3.png"</span>;
m_url <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qurl.html">QUrl</a></span>(path<span class="operator">.</span>arg(zoom)<span class="operator">.</span>arg(grab<span class="operator">.</span>x())<span class="operator">.</span>arg(grab<span class="operator">.</span>y()));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkrequest.html">QNetworkRequest</a></span> request;
request<span class="operator">.</span>setUrl(m_url);
request<span class="operator">.</span>setRawHeader(<span class="string">"User-Agent"</span><span class="operator">,</span> <span class="string">"Nokia (Qt) Graphics Dojo 1.0"</span>);
request<span class="operator">.</span>setAttribute(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkrequest.html">QNetworkRequest</a></span><span class="operator">::</span>User<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qvariant.html">QVariant</a></span>(grab));
m_pendingReplies <span class="operator"><</span><span class="operator"><</span> m_manager<span class="operator">-</span><span class="operator">></span>get(request);
}
<span class="keyword">signals</span>:
<span class="type">void</span> updated(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span> <span class="operator">&</span>rect);
<span class="keyword">protected</span>:
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span> tileRect(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> <span class="operator">&</span>tp) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> t <span class="operator">=</span> tp <span class="operator">-</span> m_tilesRect<span class="operator">.</span>topLeft();
<span class="type">int</span> x <span class="operator">=</span> t<span class="operator">.</span>x() <span class="operator">*</span> tdim <span class="operator">+</span> m_offset<span class="operator">.</span>x();
<span class="type">int</span> y <span class="operator">=</span> t<span class="operator">.</span>y() <span class="operator">*</span> tdim <span class="operator">+</span> m_offset<span class="operator">.</span>y();
<span class="keyword">return</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span>(x<span class="operator">,</span> y<span class="operator">,</span> tdim<span class="operator">,</span> tdim);
}
<span class="keyword">private</span>:
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> m_offset;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span> m_tilesRect;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span> m_emptyTile;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qhash.html">QHash</a></span><span class="operator"><</span><span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span><span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span><span class="operator">></span> m_tilePixmaps;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkaccessmanager.html">QNetworkAccessManager</a></span> <span class="operator">*</span>m_manager;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qurl.html">QUrl</a></span> m_url;
<span class="type"><a href="qgeopositioninfosource.html">QGeoPositionInfoSource</a></span><span class="operator">*</span> m_location;
<span class="type"><a href="qnetworksession.html">QNetworkSession</a></span><span class="operator">*</span> m_session;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="http://qt.nokia.com/doc/4.7/qnetworkreply.html">QNetworkReply</a></span><span class="operator">*</span><span class="operator">></span> m_pendingReplies;
};
<span class="keyword">class</span> LightMaps: <span class="keyword">public</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qwidget.html">QWidget</a></span>
{
Q_OBJECT
<span class="keyword">public</span>:
LightMaps(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qwidget.html">QWidget</a></span> <span class="operator">*</span>parent <span class="operator">=</span> <span class="number">0</span>) :
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qwidget.html">QWidget</a></span>(parent)<span class="operator">,</span>
m_normalMap(<span class="number">0</span>)<span class="operator">,</span>
m_largeMap(<span class="number">0</span>)<span class="operator">,</span>
firstLat(<span class="number">0.0</span>)<span class="operator">,</span>
firstLong(<span class="number">0.0</span>)<span class="operator">,</span>
pressed(<span class="keyword">false</span>)<span class="operator">,</span>
snapped(<span class="keyword">false</span>)<span class="operator">,</span>
zoomed(<span class="keyword">false</span>)<span class="operator">,</span>
invert(<span class="keyword">false</span>)<span class="operator">,</span>
m_usingLogFile(<span class="keyword">false</span>)<span class="operator">,</span>
m_location(<span class="number">0</span>)<span class="operator">,</span>
waitingForFix(<span class="keyword">false</span>) {
<span class="comment">// Set Internet Access Point</span>
<span class="type"><a href="qnetworkconfigurationmanager.html">QNetworkConfigurationManager</a></span> manager;
<span class="keyword">const</span> <span class="type">bool</span> canStartIAP <span class="operator">=</span> (manager<span class="operator">.</span>capabilities()
<span class="operator">&</span> <span class="type"><a href="qnetworkconfigurationmanager.html">QNetworkConfigurationManager</a></span><span class="operator">::</span>CanStartAndStopInterfaces);
<span class="comment">// Is there default access point, use it</span>
<span class="preprocessor">#ifdef BEARER_IN_QTNETWORK</span>
<span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span> cfg1 <span class="operator">=</span> manager<span class="operator">.</span>defaultConfiguration();
<span class="keyword">if</span> (<span class="operator">!</span>cfg1<span class="operator">.</span>isValid() <span class="operator">|</span><span class="operator">|</span> (<span class="operator">!</span>canStartIAP <span class="operator">&</span><span class="operator">&</span> cfg1<span class="operator">.</span>state() <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span><span class="operator">::</span>Active)) {
<span class="preprocessor">#else</span>
QTM_PREPEND_NAMESPACE(<span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span>) cfg1 <span class="operator">=</span> manager<span class="operator">.</span>defaultConfiguration();
<span class="keyword">if</span> (<span class="operator">!</span>cfg1<span class="operator">.</span>isValid() <span class="operator">|</span><span class="operator">|</span> (<span class="operator">!</span>canStartIAP <span class="operator">&</span><span class="operator">&</span> cfg1<span class="operator">.</span>state() <span class="operator">!</span><span class="operator">=</span> QTM_PREPEND_NAMESPACE(<span class="type"><a href="qnetworkconfiguration.html">QNetworkConfiguration</a></span>)<span class="operator">::</span>Active)) {
<span class="preprocessor">#endif</span>
m_networkSetupError <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span>(tr(<span class="string">"This example requires networking, and no available networks or access points could be found."</span>));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(networkSetupError()));
<span class="keyword">return</span>;
}
m_session <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qnetworksession.html">QNetworkSession</a></span>(cfg1<span class="operator">,</span> <span class="keyword">this</span>);
m_connectivityHelper <span class="operator">=</span> <span class="keyword">new</span> ConnectivityHelper(m_session<span class="operator">,</span> <span class="keyword">this</span>);
connect(m_session<span class="operator">,</span> SIGNAL(opened())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(networkSessionOpened()));
connect(m_connectivityHelper<span class="operator">,</span> SIGNAL(networkingCancelled())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(quit()));
m_session<span class="operator">-</span><span class="operator">></span>open();
}
<span class="operator">~</span>LightMaps() {
m_session<span class="operator">-</span><span class="operator">></span>close();
<span class="keyword">if</span> (m_location)
m_location<span class="operator">-</span><span class="operator">></span>stopUpdates();
}
<span class="type">void</span> stopPositioning() {
<span class="keyword">if</span> (m_location)
m_location<span class="operator">-</span><span class="operator">></span>stopUpdates();
}
<span class="type">void</span> startPositioning() {
<span class="keyword">if</span> (m_location)
m_location<span class="operator">-</span><span class="operator">></span>startUpdates();
}
<span class="type">void</span> setCenter(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> lat<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> lng) {
<span class="keyword">if</span> (<span class="operator">!</span>m_normalMap <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>m_largeMap) {
firstLat <span class="operator">=</span> lat;
firstLong <span class="operator">=</span> lng;
<span class="keyword">return</span>;
}
m_normalMap<span class="operator">-</span><span class="operator">></span>latitude <span class="operator">=</span> lat;
m_normalMap<span class="operator">-</span><span class="operator">></span>longitude <span class="operator">=</span> lng;
m_normalMap<span class="operator">-</span><span class="operator">></span>invalidate();
m_largeMap<span class="operator">-</span><span class="operator">></span>latitude <span class="operator">=</span> lat;
m_largeMap<span class="operator">-</span><span class="operator">></span>longitude <span class="operator">=</span> lng;
m_largeMap<span class="operator">-</span><span class="operator">></span>invalidate();
}
<span class="keyword">public</span> <span class="keyword">slots</span>:
<span class="type">void</span> toggleNightMode() {
invert <span class="operator">=</span> <span class="operator">!</span>invert;
update();
}
<span class="keyword">private</span> <span class="keyword">slots</span>:
<span class="type">void</span> networkSetupError() {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>critical(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"LightMaps"</span>)<span class="operator">,</span>
m_networkSetupError);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> qApp<span class="operator">,</span> SLOT(quit()));
}
<span class="type">void</span> networkSessionOpened() {
m_location <span class="operator">=</span> <span class="type"><a href="qgeopositioninfosource.html">QGeoPositionInfoSource</a></span><span class="operator">::</span>createDefaultSource(<span class="keyword">this</span>);
<span class="keyword">if</span> (<span class="operator">!</span>m_location) {
<span class="type"><a href="qnmeapositioninfosource.html">QNmeaPositionInfoSource</a></span> <span class="operator">*</span>nmeaLocation <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qnmeapositioninfosource.html">QNmeaPositionInfoSource</a></span>(<span class="type"><a href="qnmeapositioninfosource.html">QNmeaPositionInfoSource</a></span><span class="operator">::</span>SimulationMode<span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qfile.html">QFile</a></span> <span class="operator">*</span>logFile <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qfile.html">QFile</a></span>(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qapplication.html">QApplication</a></span><span class="operator">::</span>applicationDirPath()
<span class="operator">+</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qdir.html">QDir</a></span><span class="operator">::</span>separator() <span class="operator">+</span> <span class="string">"nmealog.txt"</span><span class="operator">,</span> <span class="keyword">this</span>);
nmeaLocation<span class="operator">-</span><span class="operator">></span>setDevice(logFile);
m_location <span class="operator">=</span> nmeaLocation;
m_usingLogFile <span class="operator">=</span> <span class="keyword">true</span>;
}
m_location<span class="operator">-</span><span class="operator">></span>setUpdateInterval(<span class="number">10000</span>);
connect(m_location<span class="operator">,</span>
SIGNAL(positionUpdated(<span class="type"><a href="qgeopositioninfo.html">QGeoPositionInfo</a></span>))<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span>
SLOT(positionUpdated(<span class="type"><a href="qgeopositioninfo.html">QGeoPositionInfo</a></span>)));
<span class="keyword">if</span> (m_usingLogFile) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmessagebox.html">QMessageBox</a></span><span class="operator">::</span>information(<span class="keyword">this</span><span class="operator">,</span> tr(<span class="string">"LightMaps"</span>)<span class="operator">,</span>
tr(<span class="string">"No GPS support detected, using GPS data from a sample log file instead."</span>));
} <span class="keyword">else</span> {
waitForFix();
m_location<span class="operator">-</span><span class="operator">></span>stopUpdates();
}
m_normalMap <span class="operator">=</span> <span class="keyword">new</span> SlippyMap(m_session<span class="operator">,</span> m_location<span class="operator">,</span> <span class="keyword">this</span>);
m_largeMap <span class="operator">=</span> <span class="keyword">new</span> SlippyMap(m_session<span class="operator">,</span> m_location<span class="operator">,</span> <span class="keyword">this</span>);
connect(m_normalMap<span class="operator">,</span> SIGNAL(updated(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span>))<span class="operator">,</span> SLOT(updateMap(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span>)));
connect(m_largeMap<span class="operator">,</span> SIGNAL(updated(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span>))<span class="operator">,</span> SLOT(update()));
setCenter(firstLat<span class="operator">,</span> firstLong);
m_normalMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">=</span> width();
m_normalMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">=</span> height();
m_largeMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">*</span> <span class="number">2</span>;
m_largeMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">*</span> <span class="number">2</span>;
connect(m_location<span class="operator">,</span> SIGNAL(updateTimeout())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(waitForFix()));
startPositioning();
}
<span class="comment">// Brings up a satellite strength dialog box until a position fix is received.</span>
<span class="comment">// This will also start the position updates if they are not already started.</span>
<span class="type">void</span> waitForFix() {
<span class="keyword">if</span> (waitingForFix)
<span class="keyword">return</span>;
waitingForFix <span class="operator">=</span> <span class="keyword">true</span>;
<span class="type"><a href="qgeosatelliteinfosource.html">QGeoSatelliteInfoSource</a></span> <span class="operator">*</span>m_satellite <span class="operator">=</span> <span class="type"><a href="qgeosatelliteinfosource.html">QGeoSatelliteInfoSource</a></span><span class="operator">::</span>createDefaultSource(<span class="keyword">this</span>);
<span class="keyword">if</span> (m_satellite) {
SatelliteDialog <span class="operator">*</span>dialog <span class="operator">=</span> <span class="keyword">new</span> SatelliteDialog(<span class="keyword">this</span><span class="operator">,</span>
<span class="number">30</span><span class="operator">,</span>
SatelliteDialog<span class="operator">::</span>ExitOnFixOrCancel<span class="operator">,</span>
SatelliteDialog<span class="operator">::</span>OrderByPrnNumber<span class="operator">,</span>
SatelliteDialog<span class="operator">::</span>ScaleToMaxPossible);
dialog<span class="operator">-</span><span class="operator">></span>connectSources(m_location<span class="operator">,</span> m_satellite);
m_location<span class="operator">-</span><span class="operator">></span>startUpdates();
m_satellite<span class="operator">-</span><span class="operator">></span>startUpdates();
dialog<span class="operator">-</span><span class="operator">></span>exec();
m_satellite<span class="operator">-</span><span class="operator">></span>stopUpdates();
<span class="keyword">delete</span> dialog;
<span class="keyword">delete</span> m_satellite;
}
waitingForFix <span class="operator">=</span> <span class="keyword">false</span>;
}
<span class="type">void</span> positionUpdated(<span class="keyword">const</span> <span class="type"><a href="qgeopositioninfo.html">QGeoPositionInfo</a></span> <span class="operator">&</span>pos) {
setCenter(pos<span class="operator">.</span>coordinate()<span class="operator">.</span>latitude()<span class="operator">,</span> pos<span class="operator">.</span>coordinate()<span class="operator">.</span>longitude());
}
<span class="type">void</span> updateMap(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span> <span class="operator">&</span>r) {
update(r);
}
<span class="keyword">protected</span>:
<span class="type">void</span> activateZoom() {
stopPositioning();
zoomed <span class="operator">=</span> <span class="keyword">true</span>;
tapTimer<span class="operator">.</span>stop();
m_largeMap<span class="operator">-</span><span class="operator">></span>zoom <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>zoom <span class="operator">+</span> <span class="number">1</span>;
m_largeMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">*</span> <span class="number">2</span>;
m_largeMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">*</span> <span class="number">2</span>;
m_largeMap<span class="operator">-</span><span class="operator">></span>latitude <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>latitude;
m_largeMap<span class="operator">-</span><span class="operator">></span>longitude <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>longitude;
m_largeMap<span class="operator">-</span><span class="operator">></span>invalidate();
update();
}
<span class="type">void</span> resizeEvent(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qresizeevent.html">QResizeEvent</a></span> <span class="operator">*</span>) {
<span class="keyword">if</span> (<span class="operator">!</span>m_normalMap <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>m_largeMap)
<span class="keyword">return</span>;
m_normalMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">=</span> width();
m_normalMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">=</span> height();
m_normalMap<span class="operator">-</span><span class="operator">></span>invalidate();
m_largeMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>width <span class="operator">*</span> <span class="number">2</span>;
m_largeMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">=</span> m_normalMap<span class="operator">-</span><span class="operator">></span>height <span class="operator">*</span> <span class="number">2</span>;
m_largeMap<span class="operator">-</span><span class="operator">></span>invalidate();
}
<span class="type">void</span> paintEvent(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpaintevent.html">QPaintEvent</a></span> <span class="operator">*</span>event) {
<span class="keyword">if</span> (<span class="operator">!</span>m_normalMap <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>m_largeMap)
<span class="keyword">return</span>;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainter.html">QPainter</a></span> p;
p<span class="operator">.</span>begin(<span class="keyword">this</span>);
m_normalMap<span class="operator">-</span><span class="operator">></span>render(<span class="operator">&</span>p<span class="operator">,</span> event<span class="operator">-</span><span class="operator">></span>rect());
p<span class="operator">.</span>setPen(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>black);
<span class="preprocessor">#if defined(Q_OS_SYMBIAN)</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qfont.html">QFont</a></span> font <span class="operator">=</span> p<span class="operator">.</span>font();
font<span class="operator">.</span>setPixelSize(<span class="number">13</span>);
p<span class="operator">.</span>setFont(font);
<span class="preprocessor">#endif</span>
p<span class="operator">.</span>drawText(rect()<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>AlignBottom <span class="operator">|</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>TextWordWrap<span class="operator">,</span>
<span class="string">"Map data CCBYSA 2009 OpenStreetMap.org contributors"</span>);
p<span class="operator">.</span>end();
<span class="keyword">if</span> (zoomed) {
<span class="type">int</span> dim <span class="operator">=</span> <a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qMin">qMin</a>(width()<span class="operator">,</span> height());
<span class="type">int</span> magnifierSize <span class="operator">=</span> <a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qMin">qMin</a>(MAX_MAGNIFIER<span class="operator">,</span> dim <span class="operator">*</span> <span class="number">2</span> <span class="operator">/</span> <span class="number">3</span>);
<span class="type">int</span> radius <span class="operator">=</span> magnifierSize <span class="operator">/</span> <span class="number">2</span>;
<span class="type">int</span> ring <span class="operator">=</span> radius <span class="operator">-</span> <span class="number">15</span>;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qsize.html">QSize</a></span> box <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qsize.html">QSize</a></span>(magnifierSize<span class="operator">,</span> magnifierSize);
<span class="comment">// reupdate our mask</span>
<span class="keyword">if</span> (maskPixmap<span class="operator">.</span>size() <span class="operator">!</span><span class="operator">=</span> box) {
maskPixmap <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span>(box);
maskPixmap<span class="operator">.</span>fill(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>transparent);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qradialgradient.html">QRadialGradient</a></span> g;
g<span class="operator">.</span>setCenter(radius<span class="operator">,</span> radius);
g<span class="operator">.</span>setFocalPoint(radius<span class="operator">,</span> radius);
g<span class="operator">.</span>setRadius(radius);
g<span class="operator">.</span>setColorAt(<span class="number">1.0</span><span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qcolor.html">QColor</a></span>(<span class="number">255</span><span class="operator">,</span> <span class="number">255</span><span class="operator">,</span> <span class="number">255</span><span class="operator">,</span> <span class="number">0</span>));
g<span class="operator">.</span>setColorAt(<span class="number">0.5</span><span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/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="number">255</span>));
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainter.html">QPainter</a></span> mask(<span class="operator">&</span>maskPixmap);
mask<span class="operator">.</span>setRenderHint(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainter.html">QPainter</a></span><span class="operator">::</span>Antialiasing);
mask<span class="operator">.</span>setCompositionMode(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainter.html">QPainter</a></span><span class="operator">::</span>CompositionMode_Source);
mask<span class="operator">.</span>setBrush(g);
mask<span class="operator">.</span>setPen(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>NoPen);
mask<span class="operator">.</span>drawRect(maskPixmap<span class="operator">.</span>rect());
mask<span class="operator">.</span>setBrush(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qcolor.html">QColor</a></span>(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>transparent));
mask<span class="operator">.</span>drawEllipse(g<span class="operator">.</span>center()<span class="operator">,</span> ring<span class="operator">,</span> ring);
mask<span class="operator">.</span>end();
}
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> center <span class="operator">=</span> dragPos <span class="operator">-</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> radius);
center <span class="operator">=</span> center <span class="operator">+</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> radius <span class="operator">/</span> <span class="number">2</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> corner <span class="operator">=</span> center <span class="operator">-</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(radius<span class="operator">,</span> radius);
magnifierPos <span class="operator">=</span> center;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> xy <span class="operator">=</span> center <span class="operator">*</span> <span class="number">2</span> <span class="operator">-</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(radius<span class="operator">,</span> radius);
<span class="comment">// only set the dimension to the magnified portion</span>
<span class="keyword">if</span> (zoomPixmap<span class="operator">.</span>size() <span class="operator">!</span><span class="operator">=</span> box) {
zoomPixmap <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span>(box);
zoomPixmap<span class="operator">.</span>fill(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>lightGray);
}
<span class="keyword">if</span> (<span class="keyword">true</span>) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainter.html">QPainter</a></span> p(<span class="operator">&</span>zoomPixmap);
p<span class="operator">.</span>translate(<span class="operator">-</span>xy);
m_largeMap<span class="operator">-</span><span class="operator">></span>render(<span class="operator">&</span>p<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qrect.html">QRect</a></span>(xy<span class="operator">,</span> box));
p<span class="operator">.</span>end();
}
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainterpath.html">QPainterPath</a></span> clipPath;
clipPath<span class="operator">.</span>addEllipse(center<span class="operator">,</span> ring<span class="operator">,</span> ring);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainter.html">QPainter</a></span> p(<span class="keyword">this</span>);
p<span class="operator">.</span>setRenderHint(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainter.html">QPainter</a></span><span class="operator">::</span>Antialiasing);
p<span class="operator">.</span>setClipPath(clipPath);
p<span class="operator">.</span>drawPixmap(corner<span class="operator">,</span> zoomPixmap);
p<span class="operator">.</span>setClipping(<span class="keyword">false</span>);
p<span class="operator">.</span>drawPixmap(corner<span class="operator">,</span> maskPixmap);
p<span class="operator">.</span>setPen(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>gray);
p<span class="operator">.</span>drawPath(clipPath);
}
<span class="keyword">if</span> (invert) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainter.html">QPainter</a></span> p(<span class="keyword">this</span>);
p<span class="operator">.</span>setCompositionMode(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpainter.html">QPainter</a></span><span class="operator">::</span>CompositionMode_Difference);
p<span class="operator">.</span>fillRect(event<span class="operator">-</span><span class="operator">></span>rect()<span class="operator">,</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>white);
p<span class="operator">.</span>end();
}
}
<span class="type">void</span> timerEvent(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtimerevent.html">QTimerEvent</a></span> <span class="operator">*</span>) {
<span class="keyword">if</span> (<span class="operator">!</span>zoomed)
activateZoom();
update();
}
<span class="type">void</span> mousePressEvent(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event) {
<span class="keyword">if</span> (<span class="operator">!</span>m_normalMap <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>m_largeMap)
<span class="keyword">return</span>;
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>buttons() <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>LeftButton)
<span class="keyword">return</span>;
pressed <span class="operator">=</span> snapped <span class="operator">=</span> <span class="keyword">true</span>;
pressPos <span class="operator">=</span> dragPos <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos();
tapTimer<span class="operator">.</span>stop();
tapTimer<span class="operator">.</span>start(HOLD_TIME<span class="operator">,</span> <span class="keyword">this</span>);
<span class="keyword">if</span> (zoomed) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> distance <span class="operator">=</span> dragPos <span class="operator">-</span> magnifierPos;
<span class="type">int</span> magnifierSize <span class="operator">=</span> <a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qMin">qMin</a>(MAX_MAGNIFIER<span class="operator">,</span> (<a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qMin">qMin</a>(width()<span class="operator">,</span> height()) <span class="operator">*</span> <span class="number">2</span>) <span class="operator">/</span> <span class="number">3</span>);
<span class="type">int</span> radius <span class="operator">=</span> magnifierSize <span class="operator">/</span> <span class="number">2</span>;
<span class="keyword">if</span> (distance<span class="operator">.</span>manhattanLength() <span class="operator">></span> radius) {
zoomed <span class="operator">=</span> <span class="keyword">false</span>;
tapTimer<span class="operator">.</span>stop();
}
}
}
<span class="type">void</span> mouseMoveEvent(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event) {
<span class="keyword">if</span> (<span class="operator">!</span>m_normalMap <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>m_largeMap)
<span class="keyword">return</span>;
<span class="keyword">if</span> (<span class="operator">!</span>event<span class="operator">-</span><span class="operator">></span>buttons())
<span class="keyword">return</span>;
stopPositioning();
<span class="keyword">if</span> (<span class="operator">!</span>zoomed) {
<span class="keyword">if</span> (<span class="operator">!</span>pressed <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>snapped) {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> delta <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos() <span class="operator">-</span> pressPos;
pressPos <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos();
m_normalMap<span class="operator">-</span><span class="operator">></span>pan(delta);
<span class="keyword">return</span>;
} <span class="keyword">else</span> {
<span class="keyword">const</span> <span class="type">int</span> threshold <span class="operator">=</span> <span class="number">10</span>;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> delta <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos() <span class="operator">-</span> pressPos;
<span class="keyword">if</span> (snapped) {
snapped <span class="operator">&</span><span class="operator">=</span> delta<span class="operator">.</span>x() <span class="operator"><</span> threshold;
snapped <span class="operator">&</span><span class="operator">=</span> delta<span class="operator">.</span>y() <span class="operator"><</span> threshold;
snapped <span class="operator">&</span><span class="operator">=</span> delta<span class="operator">.</span>x() <span class="operator">></span> <span class="operator">-</span>threshold;
snapped <span class="operator">&</span><span class="operator">=</span> delta<span class="operator">.</span>y() <span class="operator">></span> <span class="operator">-</span>threshold;
}
<span class="keyword">if</span> (<span class="operator">!</span>snapped)
tapTimer<span class="operator">.</span>stop();
}
} <span class="keyword">else</span> {
dragPos <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>pos();
update();
}
}
<span class="type">void</span> mouseReleaseEvent(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>) {
<span class="keyword">if</span> (<span class="operator">!</span>m_normalMap <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>m_largeMap)
<span class="keyword">return</span>;
zoomed <span class="operator">=</span> <span class="keyword">false</span>;
update();
}
<span class="type">void</span> keyPressEvent(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qkeyevent.html">QKeyEvent</a></span> <span class="operator">*</span>event) {
<span class="keyword">if</span> (<span class="operator">!</span>m_normalMap <span class="operator">|</span><span class="operator">|</span> <span class="operator">!</span>m_largeMap)
<span class="keyword">return</span>;
<span class="keyword">if</span> (<span class="operator">!</span>zoomed) {
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Left)
m_normalMap<span class="operator">-</span><span class="operator">></span>pan(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="number">20</span><span class="operator">,</span> <span class="number">0</span>));
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Right)
m_normalMap<span class="operator">-</span><span class="operator">></span>pan(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="operator">-</span><span class="number">20</span><span class="operator">,</span> <span class="number">0</span>));
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Up)
m_normalMap<span class="operator">-</span><span class="operator">></span>pan(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">20</span>));
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Down)
m_normalMap<span class="operator">-</span><span class="operator">></span>pan(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="operator">-</span><span class="number">20</span>));
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Z <span class="operator">|</span><span class="operator">|</span> event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Select) {
dragPos <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(width() <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> height() <span class="operator">/</span> <span class="number">2</span>);
activateZoom();
}
} <span class="keyword">else</span> {
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Z <span class="operator">|</span><span class="operator">|</span> event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Select) {
zoomed <span class="operator">=</span> <span class="keyword">false</span>;
update();
}
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> delta(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>);
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Left)
delta <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="operator">-</span><span class="number">15</span><span class="operator">,</span> <span class="number">0</span>);
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Right)
delta <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="number">15</span><span class="operator">,</span> <span class="number">0</span>);
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Up)
delta <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="operator">-</span><span class="number">15</span>);
<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>key() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>Key_Down)
delta <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">15</span>);
<span class="keyword">if</span> (delta <span class="operator">!</span><span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>)) {
dragPos <span class="operator">+</span><span class="operator">=</span> delta;
update();
}
}
}
<span class="keyword">private</span>:
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> m_networkSetupError;
SlippyMap <span class="operator">*</span>m_normalMap;
SlippyMap <span class="operator">*</span>m_largeMap;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> firstLat;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qreal-typedef">qreal</a></span> firstLong;
<span class="type">bool</span> pressed;
<span class="type">bool</span> snapped;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> pressPos;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> dragPos;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpoint.html">QPoint</a></span> magnifierPos;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qbasictimer.html">QBasicTimer</a></span> tapTimer;
<span class="type">bool</span> zoomed;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span> zoomPixmap;
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qpixmap.html">QPixmap</a></span> maskPixmap;
<span class="type">bool</span> invert;
<span class="type">bool</span> m_usingLogFile;
<span class="type"><a href="qgeopositioninfosource.html">QGeoPositionInfoSource</a></span> <span class="operator">*</span>m_location;
<span class="type">bool</span> waitingForFix;
<span class="type"><a href="qnetworksession.html">QNetworkSession</a></span> <span class="operator">*</span>m_session;
ConnectivityHelper <span class="operator">*</span>m_connectivityHelper;
};
<span class="keyword">class</span> MapZoom: <span class="keyword">public</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qmainwindow.html">QMainWindow</a></span>
{
Q_OBJECT
<span class="keyword">private</span>:
LightMaps <span class="operator">*</span>map;
<span class="keyword">public</span>:
MapZoom() :
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmainwindow.html">QMainWindow</a></span>(<span class="number">0</span>) {
map <span class="operator">=</span> <span class="keyword">new</span> LightMaps(<span class="keyword">this</span>);
setCentralWidget(map);
map<span class="operator">-</span><span class="operator">></span>setFocus();
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span> <span class="operator">*</span>gpsAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span>(<span class="string">"Start GPS"</span><span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span> <span class="operator">*</span>osloAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span>(<span class="string">"&Oslo"</span><span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span> <span class="operator">*</span>berlinAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span>(<span class="string">"&Berlin"</span><span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span> <span class="operator">*</span>jakartaAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span>(<span class="string">"&Jakarta"</span><span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span> <span class="operator">*</span>nightModeAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span>(<span class="string">"Night Mode"</span><span class="operator">,</span> <span class="keyword">this</span>);
nightModeAction<span class="operator">-</span><span class="operator">></span>setCheckable(<span class="keyword">true</span>);
nightModeAction<span class="operator">-</span><span class="operator">></span>setChecked(<span class="keyword">false</span>);
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span> <span class="operator">*</span>osmAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span>(<span class="string">"About OpenStreetMap"</span><span class="operator">,</span> <span class="keyword">this</span>);
connect(gpsAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(chooseGps()));
connect(osloAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(chooseOslo()));
connect(berlinAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(chooseBerlin()));
connect(jakartaAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(chooseJakarta()));
connect(nightModeAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> map<span class="operator">,</span> SLOT(toggleNightMode()));
connect(osmAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(aboutOsm()));
<span class="preprocessor">#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM) || defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)</span>
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(gpsAction);
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(osloAction);
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(berlinAction);
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(jakartaAction);
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(nightModeAction);
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(osmAction);
<span class="preprocessor">#else</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qmenu.html">QMenu</a></span> <span class="operator">*</span>menu <span class="operator">=</span> menuBar()<span class="operator">-</span><span class="operator">></span>addMenu(<span class="string">"&Options"</span>);
menu<span class="operator">-</span><span class="operator">></span>addAction(gpsAction);
menu<span class="operator">-</span><span class="operator">></span>addAction(osloAction);
menu<span class="operator">-</span><span class="operator">></span>addAction(berlinAction);
menu<span class="operator">-</span><span class="operator">></span>addAction(jakartaAction);
menu<span class="operator">-</span><span class="operator">></span>addSeparator();
menu<span class="operator">-</span><span class="operator">></span>addAction(nightModeAction);
menu<span class="operator">-</span><span class="operator">></span>addAction(osmAction);
<span class="preprocessor">#endif</span>
<span class="preprocessor">#if defined(Q_OS_WINCE)</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span> <span class="operator">*</span>exitAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qaction.html">QAction</a></span>(<span class="string">"Exit"</span><span class="operator">,</span> <span class="keyword">this</span>);
connect(exitAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(quit()));
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(exitAction);
<span class="preprocessor">#endif</span>
}
<span class="keyword">private</span> <span class="keyword">slots</span>:
<span class="type">void</span> chooseGps() {
map<span class="operator">-</span><span class="operator">></span>startPositioning();
}
<span class="type">void</span> chooseOslo() {
map<span class="operator">-</span><span class="operator">></span>stopPositioning();
map<span class="operator">-</span><span class="operator">></span>setCenter(<span class="number">59.9138204</span><span class="operator">,</span> <span class="number">10.7387413</span>);
}
<span class="type">void</span> chooseBerlin() {
map<span class="operator">-</span><span class="operator">></span>stopPositioning();
map<span class="operator">-</span><span class="operator">></span>setCenter(<span class="number">52.52958999943302</span><span class="operator">,</span> <span class="number">13.383053541183472</span>);
}
<span class="type">void</span> chooseJakarta() {
map<span class="operator">-</span><span class="operator">></span>stopPositioning();
map<span class="operator">-</span><span class="operator">></span>setCenter(<span class="operator">-</span><span class="number">6.211544</span><span class="operator">,</span> <span class="number">106.845172</span>);
}
<span class="type">void</span> aboutOsm() {
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qdesktopservices.html">QDesktopServices</a></span><span class="operator">::</span>openUrl(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qurl.html">QUrl</a></span>(<span class="string">"http://www.openstreetmap.org"</span>));
}
};
<span class="preprocessor">#include "lightmaps.moc"</span>
<span class="type">int</span> main(<span class="type">int</span> argc<span class="operator">,</span> <span class="type">char</span> <span class="operator">*</span><span class="operator">*</span>argv)
{
<span class="preprocessor">#if defined(Q_WS_X11)</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qapplication.html">QApplication</a></span><span class="operator">::</span>setGraphicsSystem(<span class="string">"raster"</span>);
<span class="preprocessor">#endif</span>
<span class="type"><a href="http://qt.nokia.com/doc/4.7/qapplication.html">QApplication</a></span> app(argc<span class="operator">,</span> argv);
app<span class="operator">.</span>setApplicationName(<span class="string">"LightMaps"</span>);
MapZoom w;
w<span class="operator">.</span>setWindowTitle(<span class="string">"OpenStreetMap"</span>);
<span class="preprocessor">#if defined(Q_OS_SYMBIAN) || defined(Q_OS_WINCE_WM) || defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)</span>
w<span class="operator">.</span>showMaximized();
<span class="preprocessor">#else</span>
w<span class="operator">.</span>resize(<span class="number">600</span><span class="operator">,</span> <span class="number">450</span>);
w<span class="operator">.</span>show();
<span class="preprocessor">#endif</span>
<span class="keyword">return</span> app<span class="operator">.</span>exec();
}</pre>
</div>
<!-- @@@lightmaps/lightmaps.cpp -->
<div class="ft">
<span></span>
</div>
</div>
<div class="footer">
<p>
<acronym title="Copyright">©</acronym> 2008-2011 Nokia Corporation and/or its
subsidiaries. Nokia, Qt and their respective logos are trademarks of Nokia Corporation
in Finland and/or other countries worldwide.</p>
<p>
All other trademarks are property of their respective owners. <a title="Privacy Policy"
href="http://qt.nokia.com/about/privacy-policy">Privacy Policy</a></p>
<br />
<p>
Licensees holding valid Qt Commercial licenses may use this document in accordance with the Qt Commercial License Agreement provided with the Software or, alternatively, in accordance with the terms contained in a written agreement between you and Nokia.</p>
<p>
Alternatively, this document may be used under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU
Free Documentation License version 1.3</a>
as published by the Free Software Foundation.</p>
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i586
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media
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50facae208d4a6f280e44a513b104320
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files
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