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<h1 class="title">flightinfo.cpp Example File</h1>
<span class="small-subtitle">demos/embedded/flightinfo/flightinfo.cpp</span>
<!-- $$$demos/embedded/flightinfo/flightinfo.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include <QtCore></span>
<span class="preprocessor">#include <QtGui></span>
<span class="preprocessor">#include <QtNetwork></span>
<span class="preprocessor">#include "ui_form.h"</span>
<span class="preprocessor">#define FLIGHTVIEW_URL "http://mobile.flightview.com/TrackByFlight.aspx"</span>
<span class="preprocessor">#define FLIGHTVIEW_RANDOM "http://mobile.flightview.com/TrackSampleFlight.aspx"</span>
<span class="comment">// strips all invalid constructs that might trip QXmlStreamReader</span>
<span class="keyword">static</span> <span class="type"><a href="qstring.html">QString</a></span> sanitized(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>xml)
{
<span class="type"><a href="qstring.html">QString</a></span> data <span class="operator">=</span> xml;
<span class="comment">// anything up to the html tag</span>
<span class="type">int</span> i <span class="operator">=</span> data<span class="operator">.</span>indexOf(<span class="string">"<html"</span>);
<span class="keyword">if</span> (i <span class="operator">></span> <span class="number">0</span>)
data<span class="operator">.</span>remove(<span class="number">0</span><span class="operator">,</span> i <span class="operator">-</span> <span class="number">1</span>);
<span class="comment">// everything inside the head tag</span>
i <span class="operator">=</span> data<span class="operator">.</span>indexOf(<span class="string">"<head"</span>);
<span class="keyword">if</span> (i <span class="operator">></span> <span class="number">0</span>)
data<span class="operator">.</span>remove(i<span class="operator">,</span> data<span class="operator">.</span>indexOf(<span class="string">"</head>"</span>) <span class="operator">-</span> i <span class="operator">+</span> <span class="number">7</span>);
<span class="comment">// invalid link for JavaScript code</span>
<span class="keyword">while</span> (<span class="keyword">true</span>) {
i <span class="operator">=</span> data<span class="operator">.</span>indexOf(<span class="string">"onclick=\"gotoUrl("</span>);
<span class="keyword">if</span> (i <span class="operator"><</span> <span class="number">0</span>)
<span class="keyword">break</span>;
data<span class="operator">.</span>remove(i<span class="operator">,</span> data<span class="operator">.</span>indexOf(<span class="char">'\"'</span><span class="operator">,</span> i <span class="operator">+</span> <span class="number">9</span>) <span class="operator">-</span> i <span class="operator">+</span> <span class="number">1</span>);
}
<span class="comment">// all inline frames</span>
<span class="keyword">while</span> (<span class="keyword">true</span>) {
i <span class="operator">=</span> data<span class="operator">.</span>indexOf(<span class="string">"<iframe"</span>);
<span class="keyword">if</span> (i <span class="operator"><</span> <span class="number">0</span>)
<span class="keyword">break</span>;
data<span class="operator">.</span>remove(i<span class="operator">,</span> data<span class="operator">.</span>indexOf(<span class="string">"</iframe>"</span>) <span class="operator">-</span> i <span class="operator">+</span> <span class="number">8</span>);
}
<span class="comment">// entities</span>
data<span class="operator">.</span>remove(<span class="string">"&nbsp;"</span>);
data<span class="operator">.</span>remove(<span class="string">"&copy;"</span>);
<span class="keyword">return</span> data;
}
<span class="keyword">class</span> FlightInfo : <span class="keyword">public</span> <span class="type"><a href="qmainwindow.html">QMainWindow</a></span>
{
Q_OBJECT
<span class="keyword">private</span>:
Ui_Form ui;
<span class="type"><a href="qurl.html">QUrl</a></span> m_url;
<span class="type"><a href="qdate.html">QDate</a></span> m_searchDate;
<span class="type"><a href="qpixmap.html">QPixmap</a></span> m_map;
<span class="type"><a href="qnetworkaccessmanager.html">QNetworkAccessManager</a></span> m_manager;
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qnetworkreply.html">QNetworkReply</a></span> <span class="operator">*</span><span class="operator">></span> mapReplies;
<span class="keyword">public</span>:
FlightInfo(<span class="type"><a href="qmainwindow.html">QMainWindow</a></span> <span class="operator">*</span>parent <span class="operator">=</span> <span class="number">0</span>): <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>w <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwidget.html">QWidget</a></span>(<span class="keyword">this</span>);
ui<span class="operator">.</span>setupUi(w);
setCentralWidget(w);
ui<span class="operator">.</span>searchBar<span class="operator">-</span><span class="operator">></span>hide();
ui<span class="operator">.</span>infoBox<span class="operator">-</span><span class="operator">></span>hide();
connect(ui<span class="operator">.</span>searchButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> SLOT(startSearch()));
connect(ui<span class="operator">.</span>flightEdit<span class="operator">,</span> SIGNAL(returnPressed())<span class="operator">,</span> SLOT(startSearch()));
setWindowTitle(<span class="string">"Flight Info"</span>);
<span class="comment">// Rendered from the public-domain vectorized aircraft</span>
<span class="comment">// http://openclipart.org/media/people/Jarno</span>
m_map <span class="operator">=</span> <span class="type"><a href="qpixmap.html">QPixmap</a></span>(<span class="string">":/aircraft.png"</span>);
<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>searchTodayAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(<span class="string">"Today's Flight"</span><span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>searchYesterdayAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(<span class="string">"Yesterday's Flight"</span><span class="operator">,</span> <span class="keyword">this</span>);
<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>randomAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(<span class="string">"Random Flight"</span><span class="operator">,</span> <span class="keyword">this</span>);
connect(searchTodayAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(today()));
connect(searchYesterdayAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(yesterday()));
connect(randomAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> SLOT(randomFlight()));
connect(<span class="operator">&</span>m_manager<span class="operator">,</span> SIGNAL(finished(<span class="type"><a href="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="qnetworkreply.html">QNetworkReply</a></span><span class="operator">*</span>)));
<span class="preprocessor">#if defined(Q_OS_SYMBIAN)</span>
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(searchTodayAction);
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(searchYesterdayAction);
menuBar()<span class="operator">-</span><span class="operator">></span>addAction(randomAction);
<span class="preprocessor">#else</span>
addAction(searchTodayAction);
addAction(searchYesterdayAction);
addAction(randomAction);
setContextMenuPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ActionsContextMenu);
<span class="preprocessor">#endif</span>
}
<span class="keyword">private</span> <span class="keyword">slots</span>:
<span class="type">void</span> handleNetworkData(<span class="type"><a href="qnetworkreply.html">QNetworkReply</a></span> <span class="operator">*</span>networkReply) {
<span class="keyword">if</span> (<span class="operator">!</span>networkReply<span class="operator">-</span><span class="operator">></span>error()) {
<span class="keyword">if</span> (<span class="operator">!</span>mapReplies<span class="operator">.</span>contains(networkReply)) {
<span class="comment">// Assume UTF-8 encoded</span>
<span class="type"><a href="qbytearray.html">QByteArray</a></span> data <span class="operator">=</span> networkReply<span class="operator">-</span><span class="operator">></span>readAll();
<span class="type"><a href="qstring.html">QString</a></span> xml <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>fromUtf8(data);
digest(xml);
} <span class="keyword">else</span> {
mapReplies<span class="operator">.</span>removeOne(networkReply);
m_map<span class="operator">.</span>loadFromData(networkReply<span class="operator">-</span><span class="operator">></span>readAll());
update();
}
}
networkReply<span class="operator">-</span><span class="operator">></span>deleteLater();
}
<span class="type">void</span> today() {
<span class="type"><a href="qdatetime.html">QDateTime</a></span> timestamp <span class="operator">=</span> <span class="type"><a href="qdatetime.html">QDateTime</a></span><span class="operator">::</span>currentDateTime();
m_searchDate <span class="operator">=</span> timestamp<span class="operator">.</span>date();
searchFlight();
}
<span class="type">void</span> yesterday() {
<span class="type"><a href="qdatetime.html">QDateTime</a></span> timestamp <span class="operator">=</span> <span class="type"><a href="qdatetime.html">QDateTime</a></span><span class="operator">::</span>currentDateTime();
timestamp <span class="operator">=</span> timestamp<span class="operator">.</span>addDays(<span class="operator">-</span><span class="number">1</span>);
m_searchDate <span class="operator">=</span> timestamp<span class="operator">.</span>date();
searchFlight();
}
<span class="type">void</span> searchFlight() {
ui<span class="operator">.</span>searchBar<span class="operator">-</span><span class="operator">></span>show();
ui<span class="operator">.</span>infoBox<span class="operator">-</span><span class="operator">></span>hide();
ui<span class="operator">.</span>flightStatus<span class="operator">-</span><span class="operator">></span>hide();
ui<span class="operator">.</span>flightName<span class="operator">-</span><span class="operator">></span>setText(<span class="string">"Enter flight number"</span>);
ui<span class="operator">.</span>flightEdit<span class="operator">-</span><span class="operator">></span>setFocus();
<span class="preprocessor">#ifdef QT_KEYPAD_NAVIGATION</span>
ui<span class="operator">.</span>flightEdit<span class="operator">-</span><span class="operator">></span>setEditFocus(<span class="keyword">true</span>);
<span class="preprocessor">#endif</span>
m_map <span class="operator">=</span> <span class="type"><a href="qpixmap.html">QPixmap</a></span>();
update();
}
<span class="type">void</span> startSearch() {
ui<span class="operator">.</span>searchBar<span class="operator">-</span><span class="operator">></span>hide();
<span class="type"><a href="qstring.html">QString</a></span> flight <span class="operator">=</span> ui<span class="operator">.</span>flightEdit<span class="operator">-</span><span class="operator">></span>text()<span class="operator">.</span>simplified();
<span class="keyword">if</span> (<span class="operator">!</span>flight<span class="operator">.</span>isEmpty())
request(flight<span class="operator">,</span> m_searchDate);
}
<span class="type">void</span> randomFlight() {
request(<span class="type"><a href="qstring.html">QString</a></span>()<span class="operator">,</span> <span class="type"><a href="qdate.html">QDate</a></span><span class="operator">::</span>currentDate());
}
<span class="keyword">public</span> <span class="keyword">slots</span>:
<span class="type">void</span> request(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>flightCode<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qdate.html">QDate</a></span> <span class="operator">&</span>date) {
setWindowTitle(<span class="string">"Loading..."</span>);
<span class="type"><a href="qstring.html">QString</a></span> code <span class="operator">=</span> flightCode<span class="operator">.</span>simplified();
<span class="type"><a href="qstring.html">QString</a></span> airlineCode <span class="operator">=</span> code<span class="operator">.</span>left(<span class="number">2</span>)<span class="operator">.</span>toUpper();
<span class="type"><a href="qstring.html">QString</a></span> flightNumber <span class="operator">=</span> code<span class="operator">.</span>mid(<span class="number">2</span><span class="operator">,</span> code<span class="operator">.</span>length());
ui<span class="operator">.</span>flightName<span class="operator">-</span><span class="operator">></span>setText(<span class="string">"Searching for "</span> <span class="operator">+</span> code);
m_url <span class="operator">=</span> <span class="type"><a href="qurl.html">QUrl</a></span>(FLIGHTVIEW_URL);
m_url<span class="operator">.</span>addEncodedQueryItem(<span class="string">"view"</span><span class="operator">,</span> <span class="string">"detail"</span>);
m_url<span class="operator">.</span>addEncodedQueryItem(<span class="string">"al"</span><span class="operator">,</span> <span class="type"><a href="qurl.html">QUrl</a></span><span class="operator">::</span>toPercentEncoding(airlineCode));
m_url<span class="operator">.</span>addEncodedQueryItem(<span class="string">"fn"</span><span class="operator">,</span> <span class="type"><a href="qurl.html">QUrl</a></span><span class="operator">::</span>toPercentEncoding(flightNumber));
m_url<span class="operator">.</span>addEncodedQueryItem(<span class="string">"dpdat"</span><span class="operator">,</span> <span class="type"><a href="qurl.html">QUrl</a></span><span class="operator">::</span>toPercentEncoding(date<span class="operator">.</span>toString(<span class="string">"yyyyMMdd"</span>)));
<span class="keyword">if</span> (code<span class="operator">.</span>isEmpty()) {
<span class="comment">// random flight as sample</span>
m_url <span class="operator">=</span> <span class="type"><a href="qurl.html">QUrl</a></span>(FLIGHTVIEW_RANDOM);
ui<span class="operator">.</span>flightName<span class="operator">-</span><span class="operator">></span>setText(<span class="string">"Getting a random flight..."</span>);
}
m_manager<span class="operator">.</span>get(<span class="type"><a href="qnetworkrequest.html">QNetworkRequest</a></span>(m_url));
}
<span class="keyword">private</span>:
<span class="type">void</span> digest(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>content) {
setWindowTitle(<span class="string">"Flight Info"</span>);
<span class="type"><a href="qstring.html">QString</a></span> data <span class="operator">=</span> sanitized(content);
<span class="comment">// do we only get the flight list?</span>
<span class="comment">// we grab the first leg in the flight list</span>
<span class="comment">// then fetch another URL for the real flight info</span>
<span class="type">int</span> i <span class="operator">=</span> data<span class="operator">.</span>indexOf(<span class="string">"a href=\"?view=detail"</span>);
<span class="keyword">if</span> (i <span class="operator">></span> <span class="number">0</span>) {
<span class="type"><a href="qstring.html">QString</a></span> href <span class="operator">=</span> data<span class="operator">.</span>mid(i<span class="operator">,</span> data<span class="operator">.</span>indexOf(<span class="char">'\"'</span><span class="operator">,</span> i <span class="operator">+</span> <span class="number">8</span>) <span class="operator">-</span> i <span class="operator">+</span> <span class="number">1</span>);
<span class="type"><a href="qregexp.html">QRegExp</a></span> regex(<span class="string">"dpap=([A-Za-z0-9]+)"</span>);
regex<span class="operator">.</span>indexIn(href);
<span class="type"><a href="qstring.html">QString</a></span> airport <span class="operator">=</span> regex<span class="operator">.</span>cap(<span class="number">1</span>);
m_url<span class="operator">.</span>addEncodedQueryItem(<span class="string">"dpap"</span><span class="operator">,</span> <span class="type"><a href="qurl.html">QUrl</a></span><span class="operator">::</span>toPercentEncoding(airport));
m_manager<span class="operator">.</span>get(<span class="type"><a href="qnetworkrequest.html">QNetworkRequest</a></span>(m_url));
<span class="keyword">return</span>;
}
<span class="type"><a href="qxmlstreamreader.html">QXmlStreamReader</a></span> xml(data);
<span class="type">bool</span> inFlightName <span class="operator">=</span> <span class="keyword">false</span>;
<span class="type">bool</span> inFlightStatus <span class="operator">=</span> <span class="keyword">false</span>;
<span class="type">bool</span> inFlightMap <span class="operator">=</span> <span class="keyword">false</span>;
<span class="type">bool</span> inFieldName <span class="operator">=</span> <span class="keyword">false</span>;
<span class="type">bool</span> inFieldValue <span class="operator">=</span> <span class="keyword">false</span>;
<span class="type"><a href="qstring.html">QString</a></span> flightName;
<span class="type"><a href="qstring.html">QString</a></span> flightStatus;
<span class="type"><a href="qstringlist.html">QStringList</a></span> fieldNames;
<span class="type"><a href="qstringlist.html">QStringList</a></span> fieldValues;
<span class="keyword">while</span> (<span class="operator">!</span>xml<span class="operator">.</span>atEnd()) {
xml<span class="operator">.</span>readNext();
<span class="keyword">if</span> (xml<span class="operator">.</span>tokenType() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qxmlstreamreader.html">QXmlStreamReader</a></span><span class="operator">::</span>StartElement) {
<span class="type"><a href="qstringref.html">QStringRef</a></span> className <span class="operator">=</span> xml<span class="operator">.</span>attributes()<span class="operator">.</span>value(<span class="string">"class"</span>);
inFlightName <span class="operator">|</span><span class="operator">=</span> xml<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"h1"</span>;
inFlightStatus <span class="operator">|</span><span class="operator">=</span> className <span class="operator">=</span><span class="operator">=</span> <span class="string">"FlightDetailHeaderStatus"</span>;
inFlightMap <span class="operator">|</span><span class="operator">=</span> className <span class="operator">=</span><span class="operator">=</span> <span class="string">"flightMap"</span>;
<span class="keyword">if</span> (xml<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"td"</span> <span class="operator">&</span><span class="operator">&</span> <span class="operator">!</span>className<span class="operator">.</span>isEmpty()) {
<span class="type"><a href="qstring.html">QString</a></span> cn <span class="operator">=</span> className<span class="operator">.</span>toString();
<span class="keyword">if</span> (cn<span class="operator">.</span>contains(<span class="string">"fieldTitle"</span>)) {
inFieldName <span class="operator">=</span> <span class="keyword">true</span>;
fieldNames <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>();
fieldValues <span class="operator">+</span><span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>();
}
<span class="keyword">if</span> (cn<span class="operator">.</span>contains(<span class="string">"fieldValue"</span>))
inFieldValue <span class="operator">=</span> <span class="keyword">true</span>;
}
<span class="keyword">if</span> (xml<span class="operator">.</span>name() <span class="operator">=</span><span class="operator">=</span> <span class="string">"img"</span> <span class="operator">&</span><span class="operator">&</span> inFlightMap) {
<span class="type"><a href="qstring.html">QString</a></span> src <span class="operator">=</span> xml<span class="operator">.</span>attributes()<span class="operator">.</span>value(<span class="string">"src"</span>)<span class="operator">.</span>toString();
src<span class="operator">.</span>prepend(<span class="string">"http://mobile.flightview.com/"</span>);
<span class="type"><a href="qurl.html">QUrl</a></span> url <span class="operator">=</span> <span class="type"><a href="qurl.html">QUrl</a></span><span class="operator">::</span>fromPercentEncoding(src<span class="operator">.</span>toAscii());
mapReplies<span class="operator">.</span>append(m_manager<span class="operator">.</span>get(<span class="type"><a href="qnetworkrequest.html">QNetworkRequest</a></span>(url)));
}
}
<span class="keyword">if</span> (xml<span class="operator">.</span>tokenType() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qxmlstreamreader.html">QXmlStreamReader</a></span><span class="operator">::</span>EndElement) {
inFlightName <span class="operator">&</span><span class="operator">=</span> xml<span class="operator">.</span>name() <span class="operator">!</span><span class="operator">=</span> <span class="string">"h1"</span>;
inFlightStatus <span class="operator">&</span><span class="operator">=</span> xml<span class="operator">.</span>name() <span class="operator">!</span><span class="operator">=</span> <span class="string">"div"</span>;
inFlightMap <span class="operator">&</span><span class="operator">=</span> xml<span class="operator">.</span>name() <span class="operator">!</span><span class="operator">=</span> <span class="string">"div"</span>;
inFieldName <span class="operator">&</span><span class="operator">=</span> xml<span class="operator">.</span>name() <span class="operator">!</span><span class="operator">=</span> <span class="string">"td"</span>;
inFieldValue <span class="operator">&</span><span class="operator">=</span> xml<span class="operator">.</span>name() <span class="operator">!</span><span class="operator">=</span> <span class="string">"td"</span>;
}
<span class="keyword">if</span> (xml<span class="operator">.</span>tokenType() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qxmlstreamreader.html">QXmlStreamReader</a></span><span class="operator">::</span>Characters) {
<span class="keyword">if</span> (inFlightName)
flightName <span class="operator">+</span><span class="operator">=</span> xml<span class="operator">.</span>text();
<span class="keyword">if</span> (inFlightStatus)
flightStatus <span class="operator">+</span><span class="operator">=</span> xml<span class="operator">.</span>text();
<span class="keyword">if</span> (inFieldName)
fieldNames<span class="operator">.</span>last() <span class="operator">+</span><span class="operator">=</span> xml<span class="operator">.</span>text();
<span class="keyword">if</span> (inFieldValue)
fieldValues<span class="operator">.</span>last() <span class="operator">+</span><span class="operator">=</span> xml<span class="operator">.</span>text();
}
}
<span class="keyword">if</span> (fieldNames<span class="operator">.</span>isEmpty()) {
<span class="type"><a href="qstring.html">QString</a></span> code <span class="operator">=</span> ui<span class="operator">.</span>flightEdit<span class="operator">-</span><span class="operator">></span>text()<span class="operator">.</span>simplified()<span class="operator">.</span>left(<span class="number">10</span>);
<span class="type"><a href="qstring.html">QString</a></span> msg <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"Flight %1 is not found"</span>)<span class="operator">.</span>arg(code);
ui<span class="operator">.</span>flightName<span class="operator">-</span><span class="operator">></span>setText(msg);
<span class="keyword">return</span>;
}
ui<span class="operator">.</span>flightName<span class="operator">-</span><span class="operator">></span>setText(flightName);
flightStatus<span class="operator">.</span>remove(<span class="string">"Status: "</span>);
ui<span class="operator">.</span>flightStatus<span class="operator">-</span><span class="operator">></span>setText(flightStatus);
ui<span class="operator">.</span>flightStatus<span class="operator">-</span><span class="operator">></span>show();
<span class="type"><a href="qstringlist.html">QStringList</a></span> whiteList;
whiteList <span class="operator"><</span><span class="operator"><</span> <span class="string">"Departure"</span>;
whiteList <span class="operator"><</span><span class="operator"><</span> <span class="string">"Arrival"</span>;
whiteList <span class="operator"><</span><span class="operator"><</span> <span class="string">"Scheduled"</span>;
whiteList <span class="operator"><</span><span class="operator"><</span> <span class="string">"Takeoff"</span>;
whiteList <span class="operator"><</span><span class="operator"><</span> <span class="string">"Estimated"</span>;
whiteList <span class="operator"><</span><span class="operator"><</span> <span class="string">"Term-Gate"</span>;
<span class="type"><a href="qstring.html">QString</a></span> text;
text <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"<table width=%1>"</span>)<span class="operator">.</span>arg(width() <span class="operator">-</span> <span class="number">25</span>);
<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> fieldNames<span class="operator">.</span>count(); i<span class="operator">+</span><span class="operator">+</span>) {
<span class="type"><a href="qstring.html">QString</a></span> fn <span class="operator">=</span> fieldNames<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>simplified();
<span class="keyword">if</span> (fn<span class="operator">.</span>endsWith(<span class="char">':'</span>))
fn <span class="operator">=</span> fn<span class="operator">.</span>left(fn<span class="operator">.</span>length() <span class="operator">-</span> <span class="number">1</span>);
<span class="keyword">if</span> (<span class="operator">!</span>whiteList<span class="operator">.</span>contains(fn))
<span class="keyword">continue</span>;
<span class="type"><a href="qstring.html">QString</a></span> fv <span class="operator">=</span> fieldValues<span class="operator">[</span>i<span class="operator">]</span><span class="operator">.</span>simplified();
<span class="type">bool</span> special <span class="operator">=</span> <span class="keyword">false</span>;
special <span class="operator">|</span><span class="operator">=</span> fn<span class="operator">.</span>startsWith(<span class="string">"Departure"</span>);
special <span class="operator">|</span><span class="operator">=</span> fn<span class="operator">.</span>startsWith(<span class="string">"Arrival"</span>);
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"<tr>"</span>;
<span class="keyword">if</span> (special) {
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"<td align=center colspan=2>"</span>;
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"<b><font size=+1>"</span> <span class="operator">+</span> fv <span class="operator">+</span> <span class="string">"</font></b>"</span>;
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"</td>"</span>;
} <span class="keyword">else</span> {
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"<td align=right>"</span>;
text <span class="operator">+</span><span class="operator">=</span> fn;
text <span class="operator">+</span><span class="operator">=</span> <span class="string">" : "</span>;
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"&nbsp;"</span>;
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"</td>"</span>;
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"<td>"</span>;
text <span class="operator">+</span><span class="operator">=</span> fv;
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"</td>"</span>;
}
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"</tr>"</span>;
}
text <span class="operator">+</span><span class="operator">=</span> <span class="string">"</table>"</span>;
ui<span class="operator">.</span>detailedInfo<span class="operator">-</span><span class="operator">></span>setText(text);
ui<span class="operator">.</span>infoBox<span class="operator">-</span><span class="operator">></span>show();
}
<span class="type">void</span> resizeEvent(<span class="type"><a href="qresizeevent.html">QResizeEvent</a></span> <span class="operator">*</span>event) {
Q_UNUSED(event);
ui<span class="operator">.</span>detailedInfo<span class="operator">-</span><span class="operator">></span>setMaximumWidth(width() <span class="operator">-</span> <span class="number">25</span>);
}
<span class="type">void</span> paintEvent(<span class="type"><a href="qpaintevent.html">QPaintEvent</a></span> <span class="operator">*</span>event) {
<span class="type"><a href="qmainwindow.html">QMainWindow</a></span><span class="operator">::</span>paintEvent(event);
<span class="type"><a href="qpainter.html">QPainter</a></span> p(<span class="keyword">this</span>);
p<span class="operator">.</span>fillRect(rect()<span class="operator">,</span> <span class="type"><a href="qcolor.html">QColor</a></span>(<span class="number">131</span><span class="operator">,</span> <span class="number">171</span><span class="operator">,</span> <span class="number">210</span>));
<span class="keyword">if</span> (<span class="operator">!</span>m_map<span class="operator">.</span>isNull()) {
<span class="type">int</span> x <span class="operator">=</span> (width() <span class="operator">-</span> m_map<span class="operator">.</span>width()) <span class="operator">/</span> <span class="number">2</span>;
<span class="type">int</span> space <span class="operator">=</span> ui<span class="operator">.</span>infoBox<span class="operator">-</span><span class="operator">></span>pos()<span class="operator">.</span>y();
<span class="keyword">if</span> (<span class="operator">!</span>ui<span class="operator">.</span>infoBox<span class="operator">-</span><span class="operator">></span>isVisible())
space <span class="operator">=</span> height();
<span class="type">int</span> top <span class="operator">=</span> ui<span class="operator">.</span>titleBox<span class="operator">-</span><span class="operator">></span>height();
<span class="type">int</span> y <span class="operator">=</span> <a href="qtglobal.html#qMax">qMax</a>(top<span class="operator">,</span> (space <span class="operator">-</span> m_map<span class="operator">.</span>height()) <span class="operator">/</span> <span class="number">2</span>);
p<span class="operator">.</span>drawPixmap(x<span class="operator">,</span> y<span class="operator">,</span> m_map);
}
p<span class="operator">.</span>end();
}
};
<span class="preprocessor">#include "flightinfo.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)
{
Q_INIT_RESOURCE(flightinfo);
<span class="type"><a href="qapplication.html">QApplication</a></span> app(argc<span class="operator">,</span> argv);
FlightInfo w;
<span class="preprocessor">#if defined(Q_OS_SYMBIAN)</span>
w<span class="operator">.</span>showMaximized();
<span class="preprocessor">#else</span>
w<span class="operator">.</span>resize(<span class="number">360</span><span class="operator">,</span> <span class="number">504</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>
<!-- @@@demos/embedded/flightinfo/flightinfo.cpp -->
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<acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its
subsidiaries. Documentation contributions included herein are the copyrights of
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The documentation provided herein is licensed under the terms of the
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License version 1.3</a> as published by the Free Software Foundation.</p>
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www.qt-project.org</a>.</p>
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