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<title>Sound Example</title>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Sound Example</h1>
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<p>
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This example shows how easy it is to play sounds, e.g. .WAV files,
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if your machine is set up to play audio.
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<p> <hr>
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<p> Header file:
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<p> <pre>/****************************************************************************
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** $Id: qt/sound.h 3.3.8 edited Jan 11 14:37 $
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#ifndef PLAY_H
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#define PLAY_H
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#include "ntqsound.h"
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#include <<a href="qmainwindow-h.html">ntqmainwindow.h</a>>
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class SoundPlayer : public <a href="ntqmainwindow.html">TQMainWindow</a> {
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<a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a>
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public:
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SoundPlayer();
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public slots:
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void doPlay1();
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void doPlay2();
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void doPlay3();
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void doPlay4();
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void doPlay34();
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void doPlay1234();
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private:
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<a href="ntqsound.html">TQSound</a> bucket3;
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<a href="ntqsound.html">TQSound</a> bucket4;
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};
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#endif
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</pre>
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<p> <hr>
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<p> Implementation:
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<p> <pre>/****************************************************************************
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** $Id: qt/sound.cpp 3.3.8 edited Jan 11 14:37 $
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for TQt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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//
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// Very simple example of TQSound::play(filename)
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//
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// 99% of this program is just boilerplate TQt code to put up a nice
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// window so you think something special is happening.
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//
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#include "sound.h"
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#include <<a href="qapplication-h.html">ntqapplication.h</a>>
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#include <<a href="qmessagebox-h.html">ntqmessagebox.h</a>>
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#include <<a href="qmenubar-h.html">ntqmenubar.h</a>>
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<a name="f581"></a>SoundPlayer::SoundPlayer() :
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<a href="ntqmainwindow.html">TQMainWindow</a>(),
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bucket3("sounds/3.wav"),
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bucket4("sounds/4.wav")
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{
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if (!TQSound::isAvailable()) {
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// Bail out. Programs in which sound is not critical
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// could just silently (hehe) ignore the lack of a server.
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//
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<a name="x2812"></a> TQMessageBox::<a href="ntqmessagebox.html#warning">warning</a>(this,"No Sound",
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"<p><b>Sorry, you are not running the Network Audio System.</b>"
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"<p>If you have the `au' command, run it in the background before this program. "
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"The latest release of the Network Audio System can be obtained from:"
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"<pre>\n"
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" &nbsp;\n"
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" ftp.ncd.com:/pub/ncd/technology/src/nas\n"
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" ftp.x.org:/contrib/audio/nas\n"
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"</pre>"
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"<p>Release 1.2 of NAS is also included with the X11R6"
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"contrib distribution."
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"<p>After installing NAS, you will then need to reconfigure TQt with NAS sound support");
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}
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<a href="ntqpopupmenu.html">TQPopupMenu</a> *file = new <a href="ntqpopupmenu.html">TQPopupMenu</a>;
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<a name="x2810"></a> file-><a href="ntqmenudata.html#insertItem">insertItem</a>("Play &1", this, SLOT(doPlay1()), CTRL+Key_1);
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file-><a href="ntqmenudata.html#insertItem">insertItem</a>("Play &2", this, SLOT(doPlay2()), CTRL+Key_2);
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file-><a href="ntqmenudata.html#insertItem">insertItem</a>("Play from bucket &3", this, SLOT(doPlay3()), CTRL+Key_3);
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file-><a href="ntqmenudata.html#insertItem">insertItem</a>("Play from bucket &4", this, SLOT(doPlay4()), CTRL+Key_4);
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<a name="x2811"></a> file-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>();
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file-><a href="ntqmenudata.html#insertItem">insertItem</a>("Play 3 and 4 together", this, SLOT(doPlay34()));
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file-><a href="ntqmenudata.html#insertItem">insertItem</a>("Play all together", this, SLOT(doPlay1234()));
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file-><a href="ntqmenudata.html#insertSeparator">insertSeparator</a>();
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file-><a href="ntqmenudata.html#insertItem">insertItem</a>("E&xit", qApp, SLOT(<a href="ntqapplication.html#quit">quit</a>()));
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<a href="ntqmainwindow.html#menuBar">menuBar</a>()->insertItem("&File", file);
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}
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void <a name="f582"></a>SoundPlayer::doPlay1()
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{
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<a name="x2813"></a> TQSound::<a href="ntqsound.html#play">play</a>("sounds/1.wav");
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}
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void <a name="f583"></a>SoundPlayer::doPlay2()
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{
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TQSound::<a href="ntqsound.html#play">play</a>("sounds/2.wav");
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}
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void <a name="f584"></a>SoundPlayer::doPlay3()
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{
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bucket3.play();
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}
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void <a name="f585"></a>SoundPlayer::doPlay4()
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{
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bucket4.play();
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}
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void <a name="f586"></a>SoundPlayer::doPlay34()
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{
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// Some sound platforms will only play one sound at a time
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bucket3.play();
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bucket4.play();
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}
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void <a name="f587"></a>SoundPlayer::doPlay1234()
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{
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// Some sound platforms will only play one sound at a time
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TQSound::<a href="ntqsound.html#play">play</a>("sounds/1.wav");
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TQSound::<a href="ntqsound.html#play">play</a>("sounds/2.wav");
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bucket3.play();
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bucket4.play();
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}
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int main(int argc, char** argv)
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{
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<a href="ntqapplication.html">TQApplication</a> app(argc,argv);
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SoundPlayer sp;
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app.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>(&sp);
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sp.<a href="ntqwidget.html#setCaption">setCaption</a>("TQt Example - Sounds");
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sp.<a href="ntqwidget.html#show">show</a>();
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return app.<a href="ntqapplication.html#exec">exec</a>();
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}
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</pre>
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<p> <p>See also <a href="examples.html">Examples</a>.
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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