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<td >Qt 5.9</td><td ><a href="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-statemachine-rogue-example.html">Rogue Example</a></td><td >window.cpp Example File</td></tr></table><table class="buildversion"><tr>
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<h1 class="title">window.cpp Example File</h1>
<span class="subtitle">statemachine/rogue/window.cpp</span>
<!-- $$$statemachine/rogue/window.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">
<span class="comment">/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, 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 The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "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 <QtWidgets></span>
<span class="preprocessor">#include "window.h"</span>
<span class="preprocessor">#include "movementtransition.h"</span>
Window<span class="operator">::</span>Window()
{
pX <span class="operator">=</span> <span class="number">5</span>;
pY <span class="operator">=</span> <span class="number">5</span>;
<span class="type"><a href="../qtgui/qfontdatabase.html">QFontDatabase</a></span> database;
<span class="type"><a href="../qtgui/qfont.html">QFont</a></span> font;
<span class="keyword">if</span> (database<span class="operator">.</span>families()<span class="operator">.</span>contains(<span class="string">"Monospace"</span>)) {
font <span class="operator">=</span> <span class="type"><a href="../qtgui/qfont.html">QFont</a></span>(<span class="string">"Monospace"</span>);
}
<span class="keyword">else</span> {
foreach (<span class="type"><a href="../qtcore/qstring.html">QString</a></span> family<span class="operator">,</span> database<span class="operator">.</span>families()) {
<span class="keyword">if</span> (database<span class="operator">.</span>isFixedPitch(family)) {
font <span class="operator">=</span> <span class="type"><a href="../qtgui/qfont.html">QFont</a></span>(family);
<span class="keyword">break</span>;
}
}
}
font<span class="operator">.</span>setPointSize(<span class="number">12</span>);
setFont(font);
setupMap();
buildMachine();
}
<span class="type">void</span> Window<span class="operator">::</span>setStatus(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>status)
{
myStatus <span class="operator">=</span> status;
repaint();
}
<span class="type"><a href="../qtcore/qstring.html">QString</a></span> Window<span class="operator">::</span>status() <span class="keyword">const</span>
{
<span class="keyword">return</span> myStatus;
}
<span class="type">void</span> Window<span class="operator">::</span>paintEvent(<span class="type"><a href="../qtgui/qpaintevent.html">QPaintEvent</a></span> <span class="operator">*</span> <span class="comment">/* event */</span>)
{
<span class="type"><a href="../qtgui/qfontmetrics.html">QFontMetrics</a></span> metrics(font());
<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> painter(<span class="keyword">this</span>);
<span class="type">int</span> fontHeight <span class="operator">=</span> metrics<span class="operator">.</span>height();
<span class="type">int</span> fontWidth <span class="operator">=</span> metrics<span class="operator">.</span>width(<span class="char">'X'</span>);
<span class="type">int</span> yPos <span class="operator">=</span> fontHeight;
<span class="type">int</span> xPos;
painter<span class="operator">.</span>fillRect(rect()<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>black);
painter<span class="operator">.</span>setPen(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>white);
painter<span class="operator">.</span>drawText(<span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(<span class="number">0</span><span class="operator">,</span> yPos)<span class="operator">,</span> status());
<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> HEIGHT; <span class="operator">+</span><span class="operator">+</span>y) {
yPos <span class="operator">+</span><span class="operator">=</span> fontHeight;
xPos <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> WIDTH; <span class="operator">+</span><span class="operator">+</span>x) {
<span class="keyword">if</span> (y <span class="operator">=</span><span class="operator">=</span> pY <span class="operator">&</span><span class="operator">&</span> x <span class="operator">=</span><span class="operator">=</span> pX) {
xPos <span class="operator">+</span><span class="operator">=</span> fontWidth;
<span class="keyword">continue</span>;
}
painter<span class="operator">.</span>setPen(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>white);
<span class="type">double</span> x1 <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">double</span><span class="operator">></span>(pX);
<span class="type">double</span> y1 <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">double</span><span class="operator">></span>(pY);
<span class="type">double</span> x2 <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">double</span><span class="operator">></span>(x);
<span class="type">double</span> y2 <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">double</span><span class="operator">></span>(y);
<span class="keyword">if</span> (x2<span class="operator"><</span>x1) {
x2<span class="operator">+</span><span class="operator">=</span><span class="number">0.5</span>;
} <span class="keyword">else</span> <span class="keyword">if</span> (x2<span class="operator">></span>x1) {
x2<span class="operator">-</span><span class="operator">=</span><span class="number">0.5</span>;
}
<span class="keyword">if</span> (y2<span class="operator"><</span>y1) {
y2<span class="operator">+</span><span class="operator">=</span><span class="number">0.5</span>;
} <span class="keyword">else</span> <span class="keyword">if</span> (y2<span class="operator">></span>y1) {
y2<span class="operator">-</span><span class="operator">=</span><span class="number">0.5</span>;
}
<span class="type">double</span> dx <span class="operator">=</span> x2 <span class="operator">-</span> x1;
<span class="type">double</span> dy <span class="operator">=</span> y2 <span class="operator">-</span> y1;
<span class="type">double</span> length <span class="operator">=</span> <a href="../qtcore/qtmath.html#qSqrt">qSqrt</a>(dx<span class="operator">*</span>dx<span class="operator">+</span>dy<span class="operator">*</span>dy);
dx <span class="operator">/</span><span class="operator">=</span> length;
dy <span class="operator">/</span><span class="operator">=</span> length;
<span class="type">double</span> xi <span class="operator">=</span> x1;
<span class="type">double</span> yi <span class="operator">=</span> y1;
<span class="keyword">while</span> (length <span class="operator">></span> <span class="number">0</span>) {
<span class="type">int</span> cx <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">int</span><span class="operator">></span>(xi<span class="operator">+</span><span class="number">0.5</span>);
<span class="type">int</span> cy <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">int</span><span class="operator">></span>(yi<span class="operator">+</span><span class="number">0.5</span>);
<span class="keyword">if</span> (x2 <span class="operator">=</span><span class="operator">=</span> cx <span class="operator">&</span><span class="operator">&</span> y2 <span class="operator">=</span><span class="operator">=</span> cy)
<span class="keyword">break</span>;
<span class="keyword">if</span> (<span class="operator">!</span>(x1<span class="operator">=</span><span class="operator">=</span>cx <span class="operator">&</span><span class="operator">&</span> y1<span class="operator">=</span><span class="operator">=</span>cy)
<span class="operator">&</span><span class="operator">&</span> (map<span class="operator">[</span>cx<span class="operator">]</span><span class="operator">[</span>cy<span class="operator">]</span> <span class="operator">=</span><span class="operator">=</span> <span class="char">'#'</span> <span class="operator">|</span><span class="operator">|</span> (length<span class="operator">-</span><span class="number">10</span>) <span class="operator">></span> <span class="number">0</span>)) {
painter<span class="operator">.</span>setPen(<span class="type"><a href="../qtgui/qcolor.html">QColor</a></span>(<span class="number">60</span><span class="operator">,</span><span class="number">60</span><span class="operator">,</span><span class="number">60</span>));
<span class="keyword">break</span>;
}
xi <span class="operator">+</span><span class="operator">=</span> dx;
yi <span class="operator">+</span><span class="operator">=</span> dy;
<span class="operator">-</span><span class="operator">-</span>length;
}
painter<span class="operator">.</span>drawText(<span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(xPos<span class="operator">,</span> yPos)<span class="operator">,</span> map<span class="operator">[</span>x<span class="operator">]</span><span class="operator">[</span>y<span class="operator">]</span>);
xPos <span class="operator">+</span><span class="operator">=</span> fontWidth;
}
}
painter<span class="operator">.</span>setPen(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>white);
painter<span class="operator">.</span>drawText(<span class="type"><a href="../qtcore/qpoint.html">QPoint</a></span>(pX <span class="operator">*</span> fontWidth<span class="operator">,</span> (pY <span class="operator">+</span> <span class="number">2</span>) <span class="operator">*</span> fontHeight)<span class="operator">,</span> <span class="type"><a href="../qtcore/qchar.html">QChar</a></span>(<span class="char">'@'</span>));
}
<span class="type"><a href="../qtcore/qsize.html">QSize</a></span> Window<span class="operator">::</span>sizeHint() <span class="keyword">const</span>
{
<span class="type"><a href="../qtgui/qfontmetrics.html">QFontMetrics</a></span> metrics(font());
<span class="keyword">return</span> <span class="type"><a href="../qtcore/qsize.html">QSize</a></span>(metrics<span class="operator">.</span>width(<span class="char">'X'</span>) <span class="operator">*</span> WIDTH<span class="operator">,</span> metrics<span class="operator">.</span>height() <span class="operator">*</span> (HEIGHT <span class="operator">+</span> <span class="number">1</span>));
}
<span class="type">void</span> Window<span class="operator">::</span>buildMachine()
{
machine <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtcore/qstatemachine.html">QStateMachine</a></span>;
<span class="type"><a href="../qtcore/qstate.html">QState</a></span> <span class="operator">*</span>inputState <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtcore/qstate.html">QState</a></span>(machine);
inputState<span class="operator">-</span><span class="operator">></span>assignProperty(<span class="keyword">this</span><span class="operator">,</span> <span class="string">"status"</span><span class="operator">,</span> <span class="string">"Move the rogue with 2, 4, 6, and 8"</span>);
MovementTransition <span class="operator">*</span>transition <span class="operator">=</span> <span class="keyword">new</span> MovementTransition(<span class="keyword">this</span>);
inputState<span class="operator">-</span><span class="operator">></span>addTransition(transition);
<span class="type"><a href="../qtcore/qstate.html">QState</a></span> <span class="operator">*</span>quitState <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtcore/qstate.html">QState</a></span>(machine);
quitState<span class="operator">-</span><span class="operator">></span>assignProperty(<span class="keyword">this</span><span class="operator">,</span> <span class="string">"status"</span><span class="operator">,</span> <span class="string">"Really quit(y/n)?"</span>);
<span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span> <span class="operator">*</span>yesTransition <span class="operator">=</span> <span class="keyword">new</span>
<span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span>(<span class="keyword">this</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qevent.html">QEvent</a></span><span class="operator">::</span>KeyPress<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_Y);
yesTransition<span class="operator">-</span><span class="operator">></span>setTargetState(<span class="keyword">new</span> <span class="type"><a href="../qtcore/qfinalstate.html">QFinalState</a></span>(machine));
quitState<span class="operator">-</span><span class="operator">></span>addTransition(yesTransition);
<span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span> <span class="operator">*</span>noTransition <span class="operator">=</span>
<span class="keyword">new</span> <span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span>(<span class="keyword">this</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qevent.html">QEvent</a></span><span class="operator">::</span>KeyPress<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_N);
noTransition<span class="operator">-</span><span class="operator">></span>setTargetState(inputState);
quitState<span class="operator">-</span><span class="operator">></span>addTransition(noTransition);
<span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span> <span class="operator">*</span>quitTransition <span class="operator">=</span>
<span class="keyword">new</span> <span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span>(<span class="keyword">this</span><span class="operator">,</span> <span class="type"><a href="../qtcore/qevent.html">QEvent</a></span><span class="operator">::</span>KeyPress<span class="operator">,</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>Key_Q);
quitTransition<span class="operator">-</span><span class="operator">></span>setTargetState(quitState);
inputState<span class="operator">-</span><span class="operator">></span>addTransition(quitTransition);
machine<span class="operator">-</span><span class="operator">></span>setInitialState(inputState);
connect(machine<span class="operator">,</span> SIGNAL(finished())<span class="operator">,</span> qApp<span class="operator">,</span> SLOT(quit()));
machine<span class="operator">-</span><span class="operator">></span>start();
}
<span class="type">void</span> Window<span class="operator">::</span>movePlayer(Direction direction)
{
<span class="keyword">switch</span> (direction) {
<span class="keyword">case</span> Left:
<span class="keyword">if</span> (map<span class="operator">[</span>pX <span class="operator">-</span> <span class="number">1</span><span class="operator">]</span><span class="operator">[</span>pY<span class="operator">]</span> <span class="operator">!</span><span class="operator">=</span> <span class="char">'#'</span>)
<span class="operator">-</span><span class="operator">-</span>pX;
<span class="keyword">break</span>;
<span class="keyword">case</span> Right:
<span class="keyword">if</span> (map<span class="operator">[</span>pX <span class="operator">+</span> <span class="number">1</span><span class="operator">]</span><span class="operator">[</span>pY<span class="operator">]</span> <span class="operator">!</span><span class="operator">=</span> <span class="char">'#'</span>)
<span class="operator">+</span><span class="operator">+</span>pX;
<span class="keyword">break</span>;
<span class="keyword">case</span> Up:
<span class="keyword">if</span> (map<span class="operator">[</span>pX<span class="operator">]</span><span class="operator">[</span>pY <span class="operator">-</span> <span class="number">1</span><span class="operator">]</span> <span class="operator">!</span><span class="operator">=</span> <span class="char">'#'</span>)
<span class="operator">-</span><span class="operator">-</span>pY;
<span class="keyword">break</span>;
<span class="keyword">case</span> Down:
<span class="keyword">if</span> (map<span class="operator">[</span>pX<span class="operator">]</span><span class="operator">[</span>pY <span class="operator">+</span> <span class="number">1</span><span class="operator">]</span> <span class="operator">!</span><span class="operator">=</span> <span class="char">'#'</span>)
<span class="operator">+</span><span class="operator">+</span>pY;
<span class="keyword">break</span>;
}
repaint();
}
<span class="type">void</span> Window<span class="operator">::</span>setupMap()
{
qsrand(<span class="type"><a href="../qtcore/qtime.html">QTime</a></span>(<span class="number">0</span><span class="operator">,</span><span class="number">0</span><span class="operator">,</span><span class="number">0</span>)<span class="operator">.</span>secsTo(<span class="type"><a href="../qtcore/qtime.html">QTime</a></span><span class="operator">::</span>currentTime()));
<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> 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> HEIGHT; <span class="operator">+</span><span class="operator">+</span>y) {
<span class="keyword">if</span> (x <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span> <span class="operator">|</span><span class="operator">|</span> x <span class="operator">=</span><span class="operator">=</span> WIDTH <span class="operator">-</span> <span class="number">1</span> <span class="operator">|</span><span class="operator">|</span> y <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span> <span class="operator">|</span><span class="operator">|</span> y <span class="operator">=</span><span class="operator">=</span> HEIGHT <span class="operator">-</span> <span class="number">1</span> <span class="operator">|</span><span class="operator">|</span> qrand() <span class="operator">%</span> <span class="number">40</span> <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>)
map<span class="operator">[</span>x<span class="operator">]</span><span class="operator">[</span>y<span class="operator">]</span> <span class="operator">=</span> <span class="char">'#'</span>;
<span class="keyword">else</span>
map<span class="operator">[</span>x<span class="operator">]</span><span class="operator">[</span>y<span class="operator">]</span> <span class="operator">=</span> <span class="char">'.'</span>;
}
}
</pre>
</div>
<!-- @@@statemachine/rogue/window.cpp -->
</div>
</div>
</div>
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<acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd.
Documentation contributions included herein are the copyrights of
their respective owners.<br> The documentation provided herein is licensed 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.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property
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distrib
>
Mageia
>
6
>
armv5tl
>
media
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core-updates
>
by-pkgid
>
768f7d9f703884aa2562bf0a651086df
>
files
>
4267
