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Breadcrumbs go here --> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">guitartuner.cpp Example File</h1> <span class="small-subtitle">demos/mobile/guitartuner/src/guitartuner.cpp</span> <!-- $$$demos/mobile/guitartuner/src/guitartuner.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 QtDeclarative module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 Digia Plc 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 "guitartuner.h"</span> <span class="preprocessor">#ifdef Q_OS_SYMBIAN</span> <span class="preprocessor">#include <SoundDevice.h></span> <span class="preprocessor">#endif // Q_OS_SYMBIAN</span> <span class="preprocessor">#if defined(Q_OS_SYMBIAN) && defined(ORIENTATIONLOCK)</span> <span class="preprocessor">#include <eikenv.h></span> <span class="preprocessor">#include <eikappui.h></span> <span class="preprocessor">#include <aknenv.h></span> <span class="preprocessor">#include <aknappui.h></span> <span class="preprocessor">#endif // Q_OS_SYMBIAN && ORIENTATIONLOCK</span> GuitarTuner<span class="operator">::</span>GuitarTuner(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qmainwindow.html">QMainWindow</a></span>(parent) { <span class="comment">// Set up the QML.</span> m_guitarTunerUI <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qdeclarativeview.html">QDeclarativeView</a></span>(<span class="type"><a href="qurl.html">QUrl</a></span>(<span class="string">"qrc:/src/application.qml"</span>)<span class="operator">,</span> <span class="keyword">this</span>); setCentralWidget(m_guitarTunerUI); m_guitarTunerUI<span class="operator">-</span><span class="operator">></span>setResizeMode(<span class="type"><a href="qdeclarativeview.html">QDeclarativeView</a></span><span class="operator">::</span>SizeRootObjectToView); qmlObject <span class="operator">=</span> m_guitarTunerUI<span class="operator">-</span><span class="operator">></span>rootObject(); <span class="comment">// Init audio output and input.</span> initAudioOutput(); initAudioInput(); <span class="comment">// Connect the quit signal of m_guitarTunerUI</span> <span class="comment">// into the close slot of this.</span> connect(m_guitarTunerUI<span class="operator">-</span><span class="operator">></span>engine()<span class="operator">,</span> SIGNAL(quit())<span class="operator">,</span> SLOT(close())); <span class="comment">// Connect the signals from qmlObject into proper slots</span> <span class="comment">// of this and m_voicegenerator.</span> connect(qmlObject<span class="operator">,</span> SIGNAL(muteStateChanged(<span class="type">bool</span>))<span class="operator">,</span> SLOT(muteStateChanged(<span class="type">bool</span>))); connect(qmlObject<span class="operator">,</span> SIGNAL(volumeChanged(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span>))<span class="operator">,</span> m_voicegenerator<span class="operator">,</span> SLOT(setAmplitude(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span>))); connect(qmlObject<span class="operator">,</span> SIGNAL(volumeChanged(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span>))<span class="operator">,</span> SLOT(setMaxVolumeLevel(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span>))); <span class="comment">// Connect the modeChanged signal from qmlObject</span> <span class="comment">// into modeChanged slot of this class.</span> connect(qmlObject<span class="operator">,</span> SIGNAL(modeChanged(<span class="type">bool</span>))<span class="operator">,</span> SLOT(modeChanged(<span class="type">bool</span>))); <span class="comment">// Connect the microphoneSensitivityChanged signal from</span> <span class="comment">// m_guitarTunerUI into setCutOffPercentage slot of m_analyzer class.</span> connect(qmlObject<span class="operator">,</span> SIGNAL(microphoneSensitivityChanged(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span>))<span class="operator">,</span> m_analyzer<span class="operator">,</span> SLOT(setCutOffPercentage(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span>))); <span class="comment">// Connect the signals from m_analyzer into slots of qmlObject.</span> connect(m_analyzer<span class="operator">,</span> SIGNAL(lowVoice())<span class="operator">,</span> qmlObject<span class="operator">,</span> SLOT(lowVoice())); connect(m_analyzer<span class="operator">,</span> SIGNAL(correctFrequency())<span class="operator">,</span> qmlObject<span class="operator">,</span> SLOT(correctFrequencyObtained())); connect(m_analyzer<span class="operator">,</span> SIGNAL(voiceDifference(<span class="type"><a href="qvariant.html">QVariant</a></span>))<span class="operator">,</span> qmlObject<span class="operator">,</span> SLOT(voiceDifferenceChanged(<span class="type"><a href="qvariant.html">QVariant</a></span>))); <span class="comment">// Initialise the MaximumVoiceDifference</span> <span class="comment">// value of qmlObject with the value obtained from m_analyzer.</span> qmlObject<span class="operator">-</span><span class="operator">></span>setProperty(<span class="string">"maxVoiceDifference"</span><span class="operator">,</span> m_analyzer<span class="operator">-</span><span class="operator">></span>getMaximumVoiceDifference()); <span class="comment">// Connect the targetFrequencyChanged signal of qmlObject</span> <span class="comment">// into targetFrequencyChanged slot of this class.</span> connect(qmlObject<span class="operator">,</span> SIGNAL(targetFrequencyChanged(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span>))<span class="operator">,</span> SLOT(targetFrequencyChanged(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span>))); <span class="comment">// Start voice output or input by using the modeChanged function,</span> <span class="comment">// depending of the current mode.</span> modeChanged(qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"isInput"</span>)<span class="operator">.</span>toBool()); } <span class="comment">/** * Inits audio output. */</span> <span class="type">void</span> GuitarTuner<span class="operator">::</span>initAudioOutput() { <span class="comment">// Set up the output format.</span> m_format_output<span class="operator">.</span>setFrequency(DataFrequencyHzOutput); m_format_output<span class="operator">.</span>setCodec(<span class="string">"audio/pcm"</span>); m_format_output<span class="operator">.</span>setSampleSize(<span class="number">16</span>); m_format_output<span class="operator">.</span>setChannels(<span class="number">1</span>); m_format_output<span class="operator">.</span>setByteOrder(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>LittleEndian); m_format_output<span class="operator">.</span>setSampleType(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>SignedInt); <span class="comment">// Obtain a default output device, and if the format is not</span> <span class="comment">// supported, find the nearest format available.</span> <span class="type"><a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a></span> outputDeviceInfo( <span class="type"><a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a></span><span class="operator">::</span>defaultOutputDevice()); <span class="keyword">if</span> (<span class="operator">!</span>outputDeviceInfo<span class="operator">.</span>isFormatSupported(m_format_output)) { m_format_output <span class="operator">=</span> outputDeviceInfo<span class="operator">.</span>nearestFormat(m_format_output); } <span class="comment">// Create new QAudioOutput and VoiceGenerator instances, and store</span> <span class="comment">// them in m_audioOutput and m_voicegenerator, respectively.</span> m_audioOutput <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaudiooutput.html">QAudioOutput</a></span>(outputDeviceInfo<span class="operator">,</span> m_format_output<span class="operator">,</span> <span class="keyword">this</span>); m_voicegenerator <span class="operator">=</span> <span class="keyword">new</span> VoiceGenerator(m_format_output<span class="operator">,</span> qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"frequency"</span>)<span class="operator">.</span>toReal()<span class="operator">,</span> qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"volume"</span>)<span class="operator">.</span>toReal()<span class="operator">,</span> <span class="keyword">this</span>); <span class="comment">// Connect m_audioOutput stateChanged signal to outputStateChanged.</span> connect(m_audioOutput<span class="operator">,</span> SIGNAL(stateChanged(<span class="type"><a href="qaudio.html">QAudio</a></span><span class="operator">::</span>State))<span class="operator">,</span> SLOT(outputStateChanged(<span class="type"><a href="qaudio.html">QAudio</a></span><span class="operator">::</span>State))); } <span class="comment">/** * Inits audio input. */</span> <span class="type">void</span> GuitarTuner<span class="operator">::</span>initAudioInput() { <span class="comment">// Set up the input format.</span> m_format_input<span class="operator">.</span>setFrequency(DataFrequencyHzInput); m_format_input<span class="operator">.</span>setCodec(<span class="string">"audio/pcm"</span>); m_format_input<span class="operator">.</span>setSampleSize(<span class="number">16</span>); m_format_input<span class="operator">.</span>setChannels(<span class="number">1</span>); m_format_input<span class="operator">.</span>setByteOrder(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>LittleEndian); m_format_input<span class="operator">.</span>setSampleType(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>SignedInt); <span class="comment">// Obtain a default input device, and if the format is not</span> <span class="comment">// supported, find the nearest format available.</span> <span class="type"><a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a></span> inputDeviceInfo( <span class="type"><a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a></span><span class="operator">::</span>defaultInputDevice()); <span class="keyword">if</span> (<span class="operator">!</span>inputDeviceInfo<span class="operator">.</span>isFormatSupported(m_format_input)) { m_format_input <span class="operator">=</span> inputDeviceInfo<span class="operator">.</span>nearestFormat(m_format_input); } <span class="comment">// Create new QAudioInput and VoiceAnalyzer instances, and store</span> <span class="comment">// them in m_audioInput and m_analyzer, respectively.</span> <span class="comment">// Remember to set the cut-off percentage for voice analyzer.</span> m_audioInput <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qaudioinput.html">QAudioInput</a></span>(inputDeviceInfo<span class="operator">,</span> m_format_input<span class="operator">,</span> <span class="keyword">this</span>); m_analyzer <span class="operator">=</span> <span class="keyword">new</span> VoiceAnalyzer(m_format_input<span class="operator">,</span> <span class="keyword">this</span>); m_analyzer<span class="operator">-</span><span class="operator">></span>setCutOffPercentage(qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"sensitivity"</span>)<span class="operator">.</span>toReal()); } <span class="comment">/** * Receives a mode changed signal. */</span> <span class="type">void</span> GuitarTuner<span class="operator">::</span>modeChanged(<span class="type">bool</span> isInput) { <span class="comment">// If the mode must be changed to input mode:</span> <span class="keyword">if</span> (isInput) { <span class="comment">// Stop audio output and audio generator.</span> m_audioOutput<span class="operator">-</span><span class="operator">></span>stop(); m_voicegenerator<span class="operator">-</span><span class="operator">></span>stop(); <span class="comment">// Start the audio analyzer and then the audio input.</span> m_analyzer<span class="operator">-</span><span class="operator">></span>start(qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"frequency"</span>)<span class="operator">.</span>toReal()); m_audioInput<span class="operator">-</span><span class="operator">></span>start(m_analyzer); } <span class="comment">// Else:</span> <span class="keyword">else</span> { <span class="comment">// Stop audio input and audio analyzer.</span> m_audioInput<span class="operator">-</span><span class="operator">></span>stop(); m_analyzer<span class="operator">-</span><span class="operator">></span>stop(); <span class="comment">// Set up the audio output.</span> <span class="comment">// If the current frequency of voice generator</span> <span class="comment">// is not the same as the target frequency selected in the UI,</span> <span class="comment">// update voice generator's frequency.</span> <span class="keyword">if</span> (m_voicegenerator<span class="operator">-</span><span class="operator">></span>frequency() <span class="operator">!</span><span class="operator">=</span> qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"frequency"</span>)<span class="operator">.</span>toReal()) { m_voicegenerator<span class="operator">-</span><span class="operator">></span>setFrequency(qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"frequency"</span>)<span class="operator">.</span>toReal()); } <span class="comment">// Start the voice generator and then the audio output.</span> m_voicegenerator<span class="operator">-</span><span class="operator">></span>start(); m_audioOutput<span class="operator">-</span><span class="operator">></span>start(m_voicegenerator); <span class="comment">// Call setMaxVolumeLevel(1) to set the maximum volume louder.</span> setMaxVolumeLevel(qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"volume"</span>)<span class="operator">.</span>toReal()); <span class="comment">// If the voice is muted, the voice is suspended</span> <span class="comment">// in the outputStateChanged slot.</span> } } <span class="comment">/** * Receives a output state changed signal. * Suspends the audio output, if the state is ActiveState * and the voice is muted. */</span> <span class="type">void</span> GuitarTuner<span class="operator">::</span>outputStateChanged(<span class="type"><a href="qaudio.html">QAudio</a></span><span class="operator">::</span>State state) { <span class="keyword">if</span> (<span class="type"><a href="qaudio.html">QAudio</a></span><span class="operator">::</span>ActiveState <span class="operator">=</span><span class="operator">=</span> state <span class="operator">&</span><span class="operator">&</span> qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"isMuted"</span>)<span class="operator">.</span>toBool()) { <span class="comment">// If the voice is muted, suspend the voice.</span> m_audioOutput<span class="operator">-</span><span class="operator">></span>suspend(); } } <span class="comment">/** * Receives a mute state changed signal. * Suspends the audio output or resumes it, depending of the * isMuted parameter. */</span> <span class="type">void</span> GuitarTuner<span class="operator">::</span>muteStateChanged(<span class="type">bool</span> isMuted) { <span class="keyword">if</span> (isMuted) { m_audioOutput<span class="operator">-</span><span class="operator">></span>suspend(); } <span class="keyword">else</span> { m_audioOutput<span class="operator">-</span><span class="operator">></span>resume(); } } <span class="comment">/** * Receives a target frequency signal. */</span> <span class="type">void</span> GuitarTuner<span class="operator">::</span>targetFrequencyChanged(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> targetFrequency) { <span class="comment">// If the output mode is active:</span> <span class="keyword">if</span> (<span class="operator">!</span>qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"isInput"</span>)<span class="operator">.</span>toBool()) { <span class="comment">// Stop the audio output and voice generator.</span> m_audioOutput<span class="operator">-</span><span class="operator">></span>stop(); m_voicegenerator<span class="operator">-</span><span class="operator">></span>stop(); <span class="comment">// Set the voice generator's frequency to the target frequency.</span> m_voicegenerator<span class="operator">-</span><span class="operator">></span>setFrequency(targetFrequency); <span class="comment">// Start the voice generator and audio output.</span> m_voicegenerator<span class="operator">-</span><span class="operator">></span>start(); m_audioOutput<span class="operator">-</span><span class="operator">></span>start(m_voicegenerator); <span class="comment">// Call setMaxVolumeLevel(1) to set the maximum volume louder.</span> setMaxVolumeLevel(qmlObject<span class="operator">-</span><span class="operator">></span>property(<span class="string">"volume"</span>)<span class="operator">.</span>toReal()); <span class="comment">// If the voice is muted, the voice is suspended</span> <span class="comment">// in the outputStateChanged slot.</span> } <span class="comment">// Else:</span> <span class="keyword">else</span> { <span class="comment">// Stop the audio input and voice analyzer.</span> m_audioInput<span class="operator">-</span><span class="operator">></span>stop(); m_analyzer<span class="operator">-</span><span class="operator">></span>stop(); <span class="comment">// Start the voice analyzer with new frequency and audio input.</span> m_analyzer<span class="operator">-</span><span class="operator">></span>start(targetFrequency); m_audioInput<span class="operator">-</span><span class="operator">></span>start(m_analyzer); } } <span class="comment">/** * This method provides a hack to set the maximum volume level in * Symbian. */</span> <span class="type">void</span> GuitarTuner<span class="operator">::</span>setMaxVolumeLevel(<span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> percent) { <span class="keyword">if</span> (percent <span class="operator">></span><span class="operator">=</span> <span class="number">1.0</span>) { percent <span class="operator">=</span> <span class="number">1.0</span>; } <span class="keyword">else</span> <span class="keyword">if</span> (percent <span class="operator"><</span><span class="operator">=</span> <span class="number">0.0</span>) { percent <span class="operator">=</span> <span class="number">0.0</span>; } percent <span class="operator">=</span> percent<span class="operator">*</span><span class="number">0.5</span> <span class="operator">+</span> <span class="number">0.5</span>; <span class="comment">// Warning! This is a hack, which can break when the QtMobility</span> <span class="comment">// changes. Use at your own risk.</span> <span class="preprocessor">#ifdef Q_OS_SYMBIAN</span> <span class="type">unsigned</span> <span class="type">int</span> <span class="operator">*</span>pointer_to_abstract_audio <span class="operator">=</span> (<span class="type">unsigned</span> <span class="type">int</span><span class="operator">*</span>)( (<span class="type">unsigned</span> <span class="type">char</span><span class="operator">*</span>)m_audioOutput <span class="operator">+</span> <span class="number">8</span> ); <span class="type">unsigned</span> <span class="type">int</span> <span class="operator">*</span>dev_sound_wrapper <span class="operator">=</span> (<span class="type">unsigned</span> <span class="type">int</span><span class="operator">*</span>)(<span class="operator">*</span>pointer_to_abstract_audio) <span class="operator">+</span> <span class="number">16</span>; <span class="type">unsigned</span> <span class="type">int</span> <span class="operator">*</span>temp <span class="operator">=</span> ((<span class="type">unsigned</span> <span class="type">int</span><span class="operator">*</span>)(<span class="operator">*</span>dev_sound_wrapper) <span class="operator">+</span> <span class="number">6</span>); CMMFDevSound <span class="operator">*</span>dev_sound <span class="operator">=</span> (CMMFDevSound<span class="operator">*</span>)(<span class="operator">*</span>temp); dev_sound<span class="operator">-</span><span class="operator">></span>SetVolume((<span class="type">unsigned</span> <span class="type">int</span>) (percent<span class="operator">*</span>(<span class="type">float</span>)dev_sound<span class="operator">-</span><span class="operator">></span>MaxVolume())); <span class="preprocessor">#endif</span> } <span class="comment">/** * A function used to lock the orientation. */</span> <span class="type">void</span> GuitarTuner<span class="operator">::</span>setOrientation(Orientation orientation) { <span class="preprocessor">#ifdef Q_OS_SYMBIAN</span> <span class="keyword">if</span> (orientation <span class="operator">!</span><span class="operator">=</span> Auto) { <span class="preprocessor">#if defined(ORIENTATIONLOCK)</span> <span class="keyword">const</span> CAknAppUiBase<span class="operator">::</span>TAppUiOrientation uiOrientation <span class="operator">=</span> (orientation <span class="operator">=</span><span class="operator">=</span> LockPortrait) <span class="operator">?</span> CAknAppUi<span class="operator">::</span>EAppUiOrientationPortrait : CAknAppUi<span class="operator">::</span>EAppUiOrientationLandscape; CAknAppUi<span class="operator">*</span> appUi <span class="operator">=</span> <span class="keyword">dynamic_cast</span><span class="operator"><</span>CAknAppUi<span class="operator">*</span><span class="operator">></span> (CEikonEnv<span class="operator">::</span>Static()<span class="operator">-</span><span class="operator">></span>AppUi()); TRAPD(error<span class="operator">,</span> <span class="keyword">if</span> (appUi) appUi<span class="operator">-</span><span class="operator">></span>SetOrientationL(uiOrientation); ); <span class="preprocessor">#else // ORIENTATIONLOCK</span> <a href="qtglobal.html#qWarning">qWarning</a>(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"'ORIENTATIONLOCK' needs to be defined on"</span>) <span class="operator">+</span><span class="type"><a href="qstring.html">QString</a></span>(<span class="string">" Symbian when locking the orientation."</span>)); <span class="preprocessor">#endif // ORIENTATIONLOCK</span> } <span class="preprocessor">#elif defined(Q_WS_MAEMO_5)</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WidgetAttribute attribute; <span class="keyword">switch</span> (orientation) { <span class="keyword">case</span> LockPortrait: attribute <span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WA_Maemo5PortraitOrientation; <span class="keyword">break</span>; <span class="keyword">case</span> LockLandscape: attribute <span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WA_Maemo5LandscapeOrientation; <span class="keyword">break</span>; <span class="keyword">case</span> Auto: <span class="keyword">default</span>: attribute <span class="operator">=</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WA_Maemo5AutoOrientation; <span class="keyword">break</span>; } setAttribute(attribute<span class="operator">,</span> <span class="keyword">true</span>); <span class="preprocessor">#else // Q_OS_SYMBIAN</span> Q_UNUSED(orientation); <span class="preprocessor">#endif // Q_OS_SYMBIAN</span> }</pre> </div> <!-- @@@demos/mobile/guitartuner/src/guitartuner.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its subsidiaries. Documentation contributions included herein are the copyrights of their respective owners.</p> <br /> <p> 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.</p> <p> Documentation sources may be obtained from <a href="http://www.qt-project.org"> www.qt-project.org</a>.</p> <br /> <p> Digia, Qt and their respective logos are trademarks of Digia Plc in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. <a title="Privacy Policy" href="http://en.gitorious.org/privacy_policy/">Privacy Policy</a></p> </div> <script src="scripts/functions.js" type="text/javascript"></script> </body> </html>