383 lines
26 KiB
HTML
383 lines
26 KiB
HTML
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<h1 class="title">mainwindow.cpp Example File</h1>
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<span class="small-subtitle">xmlpatterns/trafficinfo/mainwindow.cpp</span>
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<!-- $$$xmlpatterns/trafficinfo/mainwindow.cpp-description -->
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<div class="descr"> <a name="details"></a>
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<pre class="cpp"> <span class="comment">/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/</span>
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<span class="preprocessor">#include "mainwindow.h"</span>
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<span class="preprocessor">#include "stationdialog.h"</span>
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<span class="preprocessor">#include <QtCore/QSettings></span>
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<span class="preprocessor">#include <QtCore/QTimer></span>
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<span class="preprocessor">#include <QtGui/QAction></span>
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<span class="preprocessor">#include <QtGui/QApplication></span>
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<span class="preprocessor">#include <QtGui/QBitmap></span>
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<span class="preprocessor">#include <QtGui/QLinearGradient></span>
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<span class="preprocessor">#include <QtGui/QMouseEvent></span>
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<span class="preprocessor">#include <QtGui/QPainter></span>
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MainWindow<span class="operator">::</span>MainWindow()
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: <span class="type"><a href="qwidget.html">QWidget</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>FramelessWindowHint <span class="operator">|</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WindowStaysOnTopHint)
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{
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<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>quitAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"E&xit"</span>)<span class="operator">,</span> <span class="keyword">this</span>);
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quitAction<span class="operator">-</span><span class="operator">></span>setShortcuts(<span class="type"><a href="qkeysequence.html">QKeySequence</a></span><span class="operator">::</span>Quit);
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connect(quitAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(quit()));
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<span class="type"><a href="qaction.html">QAction</a></span> <span class="operator">*</span>configAction <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaction.html">QAction</a></span>(tr(<span class="string">"&Select station..."</span>)<span class="operator">,</span> <span class="keyword">this</span>);
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configAction<span class="operator">-</span><span class="operator">></span>setShortcut(tr(<span class="string">"Ctrl+C"</span>));
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connect(configAction<span class="operator">,</span> SIGNAL(triggered())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(configure()));
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addAction(configAction);
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addAction(quitAction);
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setContextMenuPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>ActionsContextMenu);
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setWindowTitle(tr(<span class="string">"Traffic Info Oslo"</span>));
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<span class="keyword">const</span> <span class="type"><a href="qsettings.html">QSettings</a></span> settings(<span class="string">"Qt Traffic Info"</span><span class="operator">,</span> <span class="string">"trafficinfo"</span>);
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m_station <span class="operator">=</span> StationInformation(settings<span class="operator">.</span>value(<span class="string">"stationId"</span><span class="operator">,</span> <span class="string">"03012130"</span>)<span class="operator">.</span>toString()<span class="operator">,</span>
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settings<span class="operator">.</span>value(<span class="string">"stationName"</span><span class="operator">,</span> <span class="string">"Nydalen [T-bane] (OSL)"</span>)<span class="operator">.</span>toString());
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m_lines <span class="operator">=</span> settings<span class="operator">.</span>value(<span class="string">"lines"</span><span class="operator">,</span> <span class="type"><a href="qstringlist.html">QStringList</a></span>())<span class="operator">.</span>toStringList();
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<span class="type"><a href="qtimer.html">QTimer</a></span> <span class="operator">*</span>timer <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtimer.html">QTimer</a></span>(<span class="keyword">this</span>);
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connect(timer<span class="operator">,</span> SIGNAL(timeout())<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(updateTimeInformation()));
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timer<span class="operator">-</span><span class="operator">></span>start(<span class="number">1000</span><span class="operator">*</span><span class="number">60</span><span class="operator">*</span><span class="number">5</span>);
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<span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">::</span>invokeMethod(<span class="keyword">this</span><span class="operator">,</span> SLOT(updateTimeInformation())<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>QueuedConnection);
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}
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MainWindow<span class="operator">::</span><span class="operator">~</span>MainWindow()
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{
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<span class="type"><a href="qsettings.html">QSettings</a></span> settings(<span class="string">"Qt Traffic Info"</span><span class="operator">,</span> <span class="string">"trafficinfo"</span>);
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settings<span class="operator">.</span>setValue(<span class="string">"stationId"</span><span class="operator">,</span> m_station<span class="operator">.</span>id());
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settings<span class="operator">.</span>setValue(<span class="string">"stationName"</span><span class="operator">,</span> m_station<span class="operator">.</span>name());
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settings<span class="operator">.</span>setValue(<span class="string">"lines"</span><span class="operator">,</span> m_lines);
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}
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<span class="type"><a href="qsize.html">QSize</a></span> MainWindow<span class="operator">::</span>sizeHint() <span class="keyword">const</span>
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{
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<span class="keyword">return</span> <span class="type"><a href="qsize.html">QSize</a></span>(<span class="number">300</span><span class="operator">,</span> <span class="number">200</span>);
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}
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<span class="type">void</span> MainWindow<span class="operator">::</span>mouseMoveEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event)
|
|
{
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<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>buttons() <span class="operator">&</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>LeftButton) {
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move(event<span class="operator">-</span><span class="operator">></span>globalPos() <span class="operator">-</span> m_dragPosition);
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event<span class="operator">-</span><span class="operator">></span>accept();
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}
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}
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<span class="type">void</span> MainWindow<span class="operator">::</span>mousePressEvent(<span class="type"><a href="qmouseevent.html">QMouseEvent</a></span> <span class="operator">*</span>event)
|
|
{
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<span class="keyword">if</span> (event<span class="operator">-</span><span class="operator">></span>button() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>LeftButton) {
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m_dragPosition <span class="operator">=</span> event<span class="operator">-</span><span class="operator">></span>globalPos() <span class="operator">-</span> frameGeometry()<span class="operator">.</span>topLeft();
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event<span class="operator">-</span><span class="operator">></span>accept();
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}
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}
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<span class="type">void</span> MainWindow<span class="operator">::</span>paintEvent(<span class="type"><a href="qpaintevent.html">QPaintEvent</a></span><span class="operator">*</span>)
|
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{
|
|
<span class="keyword">const</span> <span class="type"><a href="qpoint.html">QPoint</a></span> start(width()<span class="operator">/</span><span class="number">2</span><span class="operator">,</span> <span class="number">0</span>);
|
|
<span class="keyword">const</span> <span class="type"><a href="qpoint.html">QPoint</a></span> finalStop(width()<span class="operator">/</span><span class="number">2</span><span class="operator">,</span> height());
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|
<span class="type"><a href="qlineargradient.html">QLinearGradient</a></span> gradient(start<span class="operator">,</span> finalStop);
|
|
<span class="keyword">const</span> <span class="type"><a href="qcolor.html">QColor</a></span> qtGreen(<span class="number">102</span><span class="operator">,</span> <span class="number">176</span><span class="operator">,</span> <span class="number">54</span>);
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|
gradient<span class="operator">.</span>setColorAt(<span class="number">0</span><span class="operator">,</span> qtGreen<span class="operator">.</span>dark());
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gradient<span class="operator">.</span>setColorAt(<span class="number">0.5</span><span class="operator">,</span> qtGreen);
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gradient<span class="operator">.</span>setColorAt(<span class="number">1</span><span class="operator">,</span> qtGreen<span class="operator">.</span>dark());
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<span class="type"><a href="qpainter.html">QPainter</a></span> p(<span class="keyword">this</span>);
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|
p<span class="operator">.</span>fillRect(<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="operator">,</span> gradient);
|
|
|
|
<span class="type"><a href="qfont.html">QFont</a></span> headerFont(<span class="string">"Sans Serif"</span><span class="operator">,</span> <span class="number">12</span><span class="operator">,</span> <span class="type"><a href="qfont.html">QFont</a></span><span class="operator">::</span>Bold);
|
|
<span class="type"><a href="qfont.html">QFont</a></span> normalFont(<span class="string">"Sans Serif"</span><span class="operator">,</span> <span class="number">9</span><span class="operator">,</span> <span class="type"><a href="qfont.html">QFont</a></span><span class="operator">::</span>Normal);
|
|
|
|
<span class="comment">// draw it twice for shadow effect</span>
|
|
p<span class="operator">.</span>setFont(headerFont);
|
|
<span class="type"><a href="qrect.html">QRect</a></span> headerRect(<span class="number">1</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> width()<span class="operator">,</span> <span class="number">25</span>);
|
|
p<span class="operator">.</span>setPen(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>black);
|
|
p<span class="operator">.</span>drawText(headerRect<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AlignCenter<span class="operator">,</span> m_station<span class="operator">.</span>name());
|
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|
|
headerRect<span class="operator">.</span>moveTopLeft(<span class="type"><a href="qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span>));
|
|
p<span class="operator">.</span>setPen(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>white);
|
|
p<span class="operator">.</span>drawText(headerRect<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AlignCenter<span class="operator">,</span> m_station<span class="operator">.</span>name());
|
|
|
|
p<span class="operator">.</span>setFont(normalFont);
|
|
<span class="type">int</span> pos <span class="operator">=</span> <span class="number">40</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> m_times<span class="operator">.</span>count() <span class="operator">&</span><span class="operator">&</span> i <span class="operator"><</span> <span class="number">9</span>; <span class="operator">+</span><span class="operator">+</span>i) {
|
|
p<span class="operator">.</span>setPen(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>black);
|
|
p<span class="operator">.</span>drawText(<span class="number">51</span><span class="operator">,</span> pos <span class="operator">+</span> <span class="number">1</span><span class="operator">,</span> m_times<span class="operator">.</span>at(i)<span class="operator">.</span>time());
|
|
p<span class="operator">.</span>drawText(<span class="number">101</span><span class="operator">,</span> pos <span class="operator">+</span> <span class="number">1</span><span class="operator">,</span> m_times<span class="operator">.</span>at(i)<span class="operator">.</span>direction());
|
|
|
|
p<span class="operator">.</span>setPen(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>white);
|
|
p<span class="operator">.</span>drawText(<span class="number">50</span><span class="operator">,</span> pos<span class="operator">,</span> m_times<span class="operator">.</span>at(i)<span class="operator">.</span>time());
|
|
p<span class="operator">.</span>drawText(<span class="number">100</span><span class="operator">,</span> pos<span class="operator">,</span> m_times<span class="operator">.</span>at(i)<span class="operator">.</span>direction());
|
|
|
|
pos <span class="operator">+</span><span class="operator">=</span> <span class="number">18</span>;
|
|
}
|
|
}
|
|
|
|
<span class="type">void</span> MainWindow<span class="operator">::</span>resizeEvent(<span class="type"><a href="qresizeevent.html">QResizeEvent</a></span><span class="operator">*</span>)
|
|
{
|
|
<span class="type"><a href="qbitmap.html">QBitmap</a></span> maskBitmap(width()<span class="operator">,</span> height());
|
|
maskBitmap<span class="operator">.</span>clear();
|
|
|
|
<span class="type"><a href="qpainter.html">QPainter</a></span> p(<span class="operator">&</span>maskBitmap);
|
|
p<span class="operator">.</span>setBrush(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>black);
|
|
p<span class="operator">.</span>drawRoundRect(<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="operator">,</span> <span class="number">20</span><span class="operator">,</span> <span class="number">30</span>);
|
|
p<span class="operator">.</span>end();
|
|
|
|
setMask(maskBitmap);
|
|
}
|
|
|
|
<span class="type">void</span> MainWindow<span class="operator">::</span>updateTimeInformation()
|
|
{
|
|
m_times <span class="operator">=</span> TimeQuery<span class="operator">::</span>query(m_station<span class="operator">.</span>id()<span class="operator">,</span> m_lines<span class="operator">,</span> <span class="type"><a href="qdatetime.html">QDateTime</a></span><span class="operator">::</span>currentDateTime());
|
|
|
|
update();
|
|
}
|
|
|
|
<span class="type">void</span> MainWindow<span class="operator">::</span>configure()
|
|
{
|
|
StationDialog dlg(m_station<span class="operator">.</span>name()<span class="operator">,</span> m_lines<span class="operator">,</span> <span class="keyword">this</span>);
|
|
<span class="keyword">if</span> (dlg<span class="operator">.</span>exec()) {
|
|
m_station <span class="operator">=</span> dlg<span class="operator">.</span>selectedStation();
|
|
m_lines <span class="operator">=</span> dlg<span class="operator">.</span>lineNumbers();
|
|
updateTimeInformation();
|
|
}
|
|
}</pre>
|
|
</div>
|
|
<!-- @@@xmlpatterns/trafficinfo/mainwindow.cpp -->
|
|
</div>
|
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|
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<p>
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<acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd.
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Documentation contributions included herein are the copyrights of
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their respective owners.</p>
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<br />
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<p>
|
|
The documentation provided herein is licensed under the terms of the
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<a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation
|
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License version 1.3</a> as published by the Free Software Foundation.</p>
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<p>
|
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Documentation sources may be obtained from <a href="http://www.qt-project.org">
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www.qt-project.org</a>.</p>
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<br />
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<p>
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Qt and respective logos are trademarks of The Qt Company Ltd
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